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grid.cpp
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2003-01-04
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///////////////////////////////////////////////////////////////////////////
// Name: generic/grid.cpp
// Purpose: wxGrid and related classes
// Author: Michael Bedward (based on code by Julian Smart, Robin Dunn)
// Modified by: Robin Dunn, Vadim Zeitlin
// Created: 1/08/1999
// RCS-ID: $Id: grid.cpp,v 1.231.2.10 2003/01/04 03:54:17 RD Exp $
// Copyright: (c) Michael Bedward (mbedward@ozemail.com.au)
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
// ============================================================================
// declarations
// ============================================================================
// ----------------------------------------------------------------------------
// headers
// ----------------------------------------------------------------------------
#ifdef __GNUG__
#pragma implementation "grid.h"
#endif
// For compilers that support precompilatixon, includes "wx/wx.h".
#include "wx/wxprec.h"
#include "wx/defs.h"
#ifdef __BORLANDC__
#pragma hdrstop
#endif
#if wxUSE_GRID
#if !defined(wxUSE_NEW_GRID) || !(wxUSE_NEW_GRID)
#include "gridg.cpp"
#else // wxUSE_NEW_GRID
#ifndef WX_PRECOMP
#include "wx/utils.h"
#include "wx/dcclient.h"
#include "wx/settings.h"
#include "wx/log.h"
#include "wx/textctrl.h"
#include "wx/checkbox.h"
#include "wx/combobox.h"
#include "wx/valtext.h"
#endif
#include "wx/textfile.h"
#include "wx/spinctrl.h"
#include "wx/tokenzr.h"
#include "wx/grid.h"
#include "wx/generic/gridsel.h"
#if defined(__WXMOTIF__)
#define WXUNUSED_MOTIF(identifier) WXUNUSED(identifier)
#else
#define WXUNUSED_MOTIF(identifier) identifier
#endif
#if defined(__WXGTK__)
#define WXUNUSED_GTK(identifier) WXUNUSED(identifier)
#else
#define WXUNUSED_GTK(identifier) identifier
#endif
// Required for wxIs... functions
#include <ctype.h>
// ----------------------------------------------------------------------------
// array classes
// ----------------------------------------------------------------------------
WX_DEFINE_EXPORTED_ARRAY(wxGridCellAttr *, wxArrayAttrs);
struct wxGridCellWithAttr
{
wxGridCellWithAttr(int row, int col, wxGridCellAttr *attr_)
: coords(row, col), attr(attr_)
{
}
~wxGridCellWithAttr()
{
attr->DecRef();
}
wxGridCellCoords coords;
wxGridCellAttr *attr;
};
WX_DECLARE_EXPORTED_OBJARRAY(wxGridCellWithAttr, wxGridCellWithAttrArray);
#include "wx/arrimpl.cpp"
WX_DEFINE_OBJARRAY(wxGridCellCoordsArray)
WX_DEFINE_OBJARRAY(wxGridCellWithAttrArray)
// ----------------------------------------------------------------------------
// events
// ----------------------------------------------------------------------------
DEFINE_EVENT_TYPE(wxEVT_GRID_CELL_LEFT_CLICK)
DEFINE_EVENT_TYPE(wxEVT_GRID_CELL_RIGHT_CLICK)
DEFINE_EVENT_TYPE(wxEVT_GRID_CELL_LEFT_DCLICK)
DEFINE_EVENT_TYPE(wxEVT_GRID_CELL_RIGHT_DCLICK)
DEFINE_EVENT_TYPE(wxEVT_GRID_LABEL_LEFT_CLICK)
DEFINE_EVENT_TYPE(wxEVT_GRID_LABEL_RIGHT_CLICK)
DEFINE_EVENT_TYPE(wxEVT_GRID_LABEL_LEFT_DCLICK)
DEFINE_EVENT_TYPE(wxEVT_GRID_LABEL_RIGHT_DCLICK)
DEFINE_EVENT_TYPE(wxEVT_GRID_ROW_SIZE)
DEFINE_EVENT_TYPE(wxEVT_GRID_COL_SIZE)
DEFINE_EVENT_TYPE(wxEVT_GRID_RANGE_SELECT)
DEFINE_EVENT_TYPE(wxEVT_GRID_CELL_CHANGE)
DEFINE_EVENT_TYPE(wxEVT_GRID_SELECT_CELL)
DEFINE_EVENT_TYPE(wxEVT_GRID_EDITOR_SHOWN)
DEFINE_EVENT_TYPE(wxEVT_GRID_EDITOR_HIDDEN)
DEFINE_EVENT_TYPE(wxEVT_GRID_EDITOR_CREATED)
// ----------------------------------------------------------------------------
// private classes
// ----------------------------------------------------------------------------
class WXDLLEXPORT wxGridRowLabelWindow : public wxWindow
{
public:
wxGridRowLabelWindow() { m_owner = (wxGrid *)NULL; }
wxGridRowLabelWindow( wxGrid *parent, wxWindowID id,
const wxPoint &pos, const wxSize &size );
private:
wxGrid *m_owner;
void OnPaint( wxPaintEvent& event );
void OnMouseEvent( wxMouseEvent& event );
void OnMouseWheel( wxMouseEvent& event );
void OnKeyDown( wxKeyEvent& event );
void OnKeyUp( wxKeyEvent& );
DECLARE_DYNAMIC_CLASS(wxGridRowLabelWindow)
DECLARE_EVENT_TABLE()
};
class WXDLLEXPORT wxGridColLabelWindow : public wxWindow
{
public:
wxGridColLabelWindow() { m_owner = (wxGrid *)NULL; }
wxGridColLabelWindow( wxGrid *parent, wxWindowID id,
const wxPoint &pos, const wxSize &size );
private:
wxGrid *m_owner;
void OnPaint( wxPaintEvent &event );
void OnMouseEvent( wxMouseEvent& event );
void OnMouseWheel( wxMouseEvent& event );
void OnKeyDown( wxKeyEvent& event );
void OnKeyUp( wxKeyEvent& );
DECLARE_DYNAMIC_CLASS(wxGridColLabelWindow)
DECLARE_EVENT_TABLE()
};
class WXDLLEXPORT wxGridCornerLabelWindow : public wxWindow
{
public:
wxGridCornerLabelWindow() { m_owner = (wxGrid *)NULL; }
wxGridCornerLabelWindow( wxGrid *parent, wxWindowID id,
const wxPoint &pos, const wxSize &size );
private:
wxGrid *m_owner;
void OnMouseEvent( wxMouseEvent& event );
void OnMouseWheel( wxMouseEvent& event );
void OnKeyDown( wxKeyEvent& event );
void OnKeyUp( wxKeyEvent& );
void OnPaint( wxPaintEvent& event );
DECLARE_DYNAMIC_CLASS(wxGridCornerLabelWindow)
DECLARE_EVENT_TABLE()
};
class WXDLLEXPORT wxGridWindow : public wxWindow
{
public:
wxGridWindow()
{
m_owner = (wxGrid *)NULL;
m_rowLabelWin = (wxGridRowLabelWindow *)NULL;
m_colLabelWin = (wxGridColLabelWindow *)NULL;
}
wxGridWindow( wxGrid *parent,
wxGridRowLabelWindow *rowLblWin,
wxGridColLabelWindow *colLblWin,
wxWindowID id, const wxPoint &pos, const wxSize &size );
~wxGridWindow();
void ScrollWindow( int dx, int dy, const wxRect *rect );
wxGrid* GetOwner() { return m_owner; }
private:
wxGrid *m_owner;
wxGridRowLabelWindow *m_rowLabelWin;
wxGridColLabelWindow *m_colLabelWin;
void OnPaint( wxPaintEvent &event );
void OnMouseWheel( wxMouseEvent& event );
void OnMouseEvent( wxMouseEvent& event );
void OnKeyDown( wxKeyEvent& );
void OnKeyUp( wxKeyEvent& );
void OnEraseBackground( wxEraseEvent& );
DECLARE_DYNAMIC_CLASS(wxGridWindow)
DECLARE_EVENT_TABLE()
};
class wxGridCellEditorEvtHandler : public wxEvtHandler
{
public:
wxGridCellEditorEvtHandler()
: m_grid(0), m_editor(0)
{ }
wxGridCellEditorEvtHandler(wxGrid* grid, wxGridCellEditor* editor)
: m_grid(grid), m_editor(editor)
{ }
void OnKeyDown(wxKeyEvent& event);
void OnChar(wxKeyEvent& event);
private:
wxGrid* m_grid;
wxGridCellEditor* m_editor;
DECLARE_DYNAMIC_CLASS(wxGridCellEditorEvtHandler)
DECLARE_EVENT_TABLE()
};
IMPLEMENT_DYNAMIC_CLASS( wxGridCellEditorEvtHandler, wxEvtHandler )
BEGIN_EVENT_TABLE( wxGridCellEditorEvtHandler, wxEvtHandler )
EVT_KEY_DOWN( wxGridCellEditorEvtHandler::OnKeyDown )
EVT_CHAR( wxGridCellEditorEvtHandler::OnChar )
END_EVENT_TABLE()
// ----------------------------------------------------------------------------
// the internal data representation used by wxGridCellAttrProvider
// ----------------------------------------------------------------------------
// this class stores attributes set for cells
class WXDLLEXPORT wxGridCellAttrData
{
public:
void SetAttr(wxGridCellAttr *attr, int row, int col);
wxGridCellAttr *GetAttr(int row, int col) const;
void UpdateAttrRows( size_t pos, int numRows );
void UpdateAttrCols( size_t pos, int numCols );
private:
// searches for the attr for given cell, returns wxNOT_FOUND if not found
int FindIndex(int row, int col) const;
wxGridCellWithAttrArray m_attrs;
};
// this class stores attributes set for rows or columns
class WXDLLEXPORT wxGridRowOrColAttrData
{
public:
// empty ctor to suppress warnings
wxGridRowOrColAttrData() { }
~wxGridRowOrColAttrData();
void SetAttr(wxGridCellAttr *attr, int rowOrCol);
wxGridCellAttr *GetAttr(int rowOrCol) const;
void UpdateAttrRowsOrCols( size_t pos, int numRowsOrCols );
private:
wxArrayInt m_rowsOrCols;
wxArrayAttrs m_attrs;
};
// NB: this is just a wrapper around 3 objects: one which stores cell
// attributes, and 2 others for row/col ones
class WXDLLEXPORT wxGridCellAttrProviderData
{
public:
wxGridCellAttrData m_cellAttrs;
wxGridRowOrColAttrData m_rowAttrs,
m_colAttrs;
};
// ----------------------------------------------------------------------------
// data structures used for the data type registry
// ----------------------------------------------------------------------------
struct wxGridDataTypeInfo
{
wxGridDataTypeInfo(const wxString& typeName,
wxGridCellRenderer* renderer,
wxGridCellEditor* editor)
: m_typeName(typeName), m_renderer(renderer), m_editor(editor)
{ }
~wxGridDataTypeInfo()
{
wxSafeDecRef(m_renderer);
wxSafeDecRef(m_editor);
}
wxString m_typeName;
wxGridCellRenderer* m_renderer;
wxGridCellEditor* m_editor;
};
WX_DEFINE_EXPORTED_ARRAY(wxGridDataTypeInfo*, wxGridDataTypeInfoArray);
class WXDLLEXPORT wxGridTypeRegistry
{
public:
wxGridTypeRegistry() {}
~wxGridTypeRegistry();
void RegisterDataType(const wxString& typeName,
wxGridCellRenderer* renderer,
wxGridCellEditor* editor);
// find one of already registered data types
int FindRegisteredDataType(const wxString& typeName);
// try to FindRegisteredDataType(), if this fails and typeName is one of
// standard typenames, register it and return its index
int FindDataType(const wxString& typeName);
// try to FindDataType(), if it fails see if it is not one of already
// registered data types with some params in which case clone the
// registered data type and set params for it
int FindOrCloneDataType(const wxString& typeName);
wxGridCellRenderer* GetRenderer(int index);
wxGridCellEditor* GetEditor(int index);
private:
wxGridDataTypeInfoArray m_typeinfo;
};
// ----------------------------------------------------------------------------
// conditional compilation
// ----------------------------------------------------------------------------
#ifndef WXGRID_DRAW_LINES
#define WXGRID_DRAW_LINES 1
#endif
// ----------------------------------------------------------------------------
// globals
// ----------------------------------------------------------------------------
//#define DEBUG_ATTR_CACHE
#ifdef DEBUG_ATTR_CACHE
static size_t gs_nAttrCacheHits = 0;
static size_t gs_nAttrCacheMisses = 0;
#endif // DEBUG_ATTR_CACHE
// ----------------------------------------------------------------------------
// constants
// ----------------------------------------------------------------------------
wxGridCellCoords wxGridNoCellCoords( -1, -1 );
wxRect wxGridNoCellRect( -1, -1, -1, -1 );
// scroll line size
// TODO: this doesn't work at all, grid cells have different sizes and approx
// calculations don't work as because of the size mismatch scrollbars
// sometimes fail to be shown when they should be or vice versa
//
// The scroll bars may be a little flakey once in a while, but that is
// surely much less horrible than having scroll lines of only 1!!!
// -- Robin
//
// Well, it's still seriously broken so it might be better but needs
// fixing anyhow
// -- Vadim
static const size_t GRID_SCROLL_LINE_X = 15; // 1;
static const size_t GRID_SCROLL_LINE_Y = GRID_SCROLL_LINE_X;
// the size of hash tables used a bit everywhere (the max number of elements
// in these hash tables is the number of rows/columns)
static const int GRID_HASH_SIZE = 100;
// ----------------------------------------------------------------------------
// private functions
// ----------------------------------------------------------------------------
static inline int GetScrollX(int x)
{
return (x + GRID_SCROLL_LINE_X - 1) / GRID_SCROLL_LINE_X;
}
static inline int GetScrollY(int y)
{
return (y + GRID_SCROLL_LINE_Y - 1) / GRID_SCROLL_LINE_Y;
}
// ============================================================================
// implementation
// ============================================================================
// ----------------------------------------------------------------------------
// wxGridCellEditor
// ----------------------------------------------------------------------------
wxGridCellEditor::wxGridCellEditor()
{
m_control = NULL;
m_attr = NULL;
}
wxGridCellEditor::~wxGridCellEditor()
{
Destroy();
}
void wxGridCellEditor::Create(wxWindow* WXUNUSED(parent),
wxWindowID WXUNUSED(id),
wxEvtHandler* evtHandler)
{
if ( evtHandler )
m_control->PushEventHandler(evtHandler);
}
void wxGridCellEditor::PaintBackground(const wxRect& rectCell,
wxGridCellAttr *attr)
{
// erase the background because we might not fill the cell
wxClientDC dc(m_control->GetParent());
wxGridWindow* gridWindow = wxDynamicCast(m_control->GetParent(), wxGridWindow);
if (gridWindow)
gridWindow->GetOwner()->PrepareDC(dc);
dc.SetPen(*wxTRANSPARENT_PEN);
dc.SetBrush(wxBrush(attr->GetBackgroundColour(), wxSOLID));
dc.DrawRectangle(rectCell);
// redraw the control we just painted over
m_control->Refresh();
}
void wxGridCellEditor::Destroy()
{
if (m_control)
{
m_control->PopEventHandler(TRUE /* delete it*/);
m_control->Destroy();
m_control = NULL;
}
}
void wxGridCellEditor::Show(bool show, wxGridCellAttr *attr)
{
wxASSERT_MSG(m_control,
wxT("The wxGridCellEditor must be Created first!"));
m_control->Show(show);
if ( show )
{
// set the colours/fonts if we have any
if ( attr )
{
m_colFgOld = m_control->GetForegroundColour();
m_control->SetForegroundColour(attr->GetTextColour());
m_colBgOld = m_control->GetBackgroundColour();
m_control->SetBackgroundColour(attr->GetBackgroundColour());
m_fontOld = m_control->GetFont();
m_control->SetFont(attr->GetFont());
// can't do anything more in the base class version, the other
// attributes may only be used by the derived classes
}
}
else
{
// restore the standard colours fonts
if ( m_colFgOld.Ok() )
{
m_control->SetForegroundColour(m_colFgOld);
m_colFgOld = wxNullColour;
}
if ( m_colBgOld.Ok() )
{
m_control->SetBackgroundColour(m_colBgOld);
m_colBgOld = wxNullColour;
}
if ( m_fontOld.Ok() )
{
m_control->SetFont(m_fontOld);
m_fontOld = wxNullFont;
}
}
}
void wxGridCellEditor::SetSize(const wxRect& rect)
{
wxASSERT_MSG(m_control,
wxT("The wxGridCellEditor must be Created first!"));
m_control->SetSize(rect, wxSIZE_ALLOW_MINUS_ONE);
}
void wxGridCellEditor::HandleReturn(wxKeyEvent& event)
{
event.Skip();
}
bool wxGridCellEditor::IsAcceptedKey(wxKeyEvent& event)
{
// accept the simple key presses, not anything with Ctrl/Alt/Meta
return !(event.ControlDown() || event.AltDown());
}
void wxGridCellEditor::StartingKey(wxKeyEvent& event)
{
event.Skip();
}
void wxGridCellEditor::StartingClick()
{
}
#if wxUSE_TEXTCTRL
// ----------------------------------------------------------------------------
// wxGridCellTextEditor
// ----------------------------------------------------------------------------
wxGridCellTextEditor::wxGridCellTextEditor()
{
m_maxChars = 0;
}
void wxGridCellTextEditor::Create(wxWindow* parent,
wxWindowID id,
wxEvtHandler* evtHandler)
{
m_control = new wxTextCtrl(parent, id, wxEmptyString,
wxDefaultPosition, wxDefaultSize
#if defined(__WXMSW__)
, wxTE_PROCESS_TAB | wxTE_MULTILINE |
wxTE_NO_VSCROLL | wxTE_AUTO_SCROLL
#endif
);
// TODO: use m_maxChars
wxGridCellEditor::Create(parent, id, evtHandler);
}
void wxGridCellTextEditor::PaintBackground(const wxRect& WXUNUSED(rectCell),
wxGridCellAttr * WXUNUSED(attr))
{
// as we fill the entire client area, don't do anything here to minimize
// flicker
}
void wxGridCellTextEditor::SetSize(const wxRect& rectOrig)
{
wxRect rect(rectOrig);
// Make the edit control large enough to allow for internal
// margins
//
// TODO: remove this if the text ctrl sizing is improved esp. for
// unix
//
#if defined(__WXGTK__)
if (rect.x != 0)
{
rect.x += 1;
rect.y += 1;
rect.width -= 1;
rect.height -= 1;
}
#else // !GTK
int extra_x = ( rect.x > 2 )? 2 : 1;
// MB: treat MSW separately here otherwise the caret doesn't show
// when the editor is in the first row.
#if defined(__WXMSW__)
int extra_y = 2;
#else
int extra_y = ( rect.y > 2 )? 2 : 1;
#endif // MSW
#if defined(__WXMOTIF__)
extra_x *= 2;
extra_y *= 2;
#endif
rect.SetLeft( wxMax(0, rect.x - extra_x) );
rect.SetTop( wxMax(0, rect.y - extra_y) );
rect.SetRight( rect.GetRight() + 2*extra_x );
rect.SetBottom( rect.GetBottom() + 2*extra_y );
#endif // GTK/!GTK
wxGridCellEditor::SetSize(rect);
}
void wxGridCellTextEditor::BeginEdit(int row, int col, wxGrid* grid)
{
wxASSERT_MSG(m_control,
wxT("The wxGridCellEditor must be Created first!"));
m_startValue = grid->GetTable()->GetValue(row, col);
DoBeginEdit(m_startValue);
}
void wxGridCellTextEditor::DoBeginEdit(const wxString& startValue)
{
Text()->SetValue(startValue);
Text()->SetInsertionPointEnd();
Text()->SetSelection(-1,-1);
Text()->SetFocus();
}
bool wxGridCellTextEditor::EndEdit(int row, int col,
wxGrid* grid)
{
wxASSERT_MSG(m_control,
wxT("The wxGridCellEditor must be Created first!"));
bool changed = FALSE;
wxString value = Text()->GetValue();
if (value != m_startValue)
changed = TRUE;
if (changed)
grid->GetTable()->SetValue(row, col, value);
m_startValue = wxEmptyString;
Text()->SetValue(m_startValue);
return changed;
}
void wxGridCellTextEditor::Reset()
{
wxASSERT_MSG(m_control,
wxT("The wxGridCellEditor must be Created first!"));
DoReset(m_startValue);
}
void wxGridCellTextEditor::DoReset(const wxString& startValue)
{
Text()->SetValue(startValue);
Text()->SetInsertionPointEnd();
}
bool wxGridCellTextEditor::IsAcceptedKey(wxKeyEvent& event)
{
if ( wxGridCellEditor::IsAcceptedKey(event) )
{
int keycode = event.GetKeyCode();
switch ( keycode )
{
case WXK_NUMPAD0:
case WXK_NUMPAD1:
case WXK_NUMPAD2:
case WXK_NUMPAD3:
case WXK_NUMPAD4:
case WXK_NUMPAD5:
case WXK_NUMPAD6:
case WXK_NUMPAD7:
case WXK_NUMPAD8:
case WXK_NUMPAD9:
case WXK_MULTIPLY:
case WXK_NUMPAD_MULTIPLY:
case WXK_ADD:
case WXK_NUMPAD_ADD:
case WXK_SUBTRACT:
case WXK_NUMPAD_SUBTRACT:
case WXK_DECIMAL:
case WXK_NUMPAD_DECIMAL:
case WXK_DIVIDE:
case WXK_NUMPAD_DIVIDE:
return TRUE;
default:
// accept 8 bit chars too if isprint() agrees
if ( (keycode < 255) && (isprint(keycode)) )
return TRUE;
}
}
return FALSE;
}
void wxGridCellTextEditor::StartingKey(wxKeyEvent& event)
{
if ( !Text()->EmulateKeyPress(event) )
{
event.Skip();
}
}
void wxGridCellTextEditor::HandleReturn( wxKeyEvent&
WXUNUSED_GTK(WXUNUSED_MOTIF(event)) )
{
#if defined(__WXMOTIF__) || defined(__WXGTK__)
// wxMotif needs a little extra help...
size_t pos = (size_t)( Text()->GetInsertionPoint() );
wxString s( Text()->GetValue() );
s = s.Left(pos) + wxT("\n") + s.Mid(pos);
Text()->SetValue(s);
Text()->SetInsertionPoint( pos );
#else
// the other ports can handle a Return key press
//
event.Skip();
#endif
}
void wxGridCellTextEditor::SetParameters(const wxString& params)
{
if ( !params )
{
// reset to default
m_maxChars = 0;
}
else
{
long tmp;
if ( !params.ToLong(&tmp) )
{
wxLogDebug(_T("Invalid wxGridCellTextEditor parameter string '%s' ignored"), params.c_str());
}
else
{
m_maxChars = (size_t)tmp;
}
}
}
// ----------------------------------------------------------------------------
// wxGridCellNumberEditor
// ----------------------------------------------------------------------------
wxGridCellNumberEditor::wxGridCellNumberEditor(int min, int max)
{
m_min = min;
m_max = max;
}
void wxGridCellNumberEditor::Create(wxWindow* parent,
wxWindowID id,
wxEvtHandler* evtHandler)
{
if ( HasRange() )
{
// create a spin ctrl
m_control = new wxSpinCtrl(parent, -1, wxEmptyString,
wxDefaultPosition, wxDefaultSize,
wxSP_ARROW_KEYS,
m_min, m_max);
wxGridCellEditor::Create(parent, id, evtHandler);
}
else
{
// just a text control
wxGridCellTextEditor::Create(parent, id, evtHandler);
#if wxUSE_VALIDATORS
Text()->SetValidator(wxTextValidator(wxFILTER_NUMERIC));
#endif // wxUSE_VALIDATORS
}
}
void wxGridCellNumberEditor::BeginEdit(int row, int col, wxGrid* grid)
{
// first get the value
wxGridTableBase *table = grid->GetTable();
if ( table->CanGetValueAs(row, col, wxGRID_VALUE_NUMBER) )
{
m_valueOld = table->GetValueAsLong(row, col);
}
else
{
m_valueOld = 0;
wxString sValue = table->GetValue(row, col);
if (! sValue.ToLong(&m_valueOld) && ! sValue.IsEmpty())
{
wxFAIL_MSG( _T("this cell doesn't have numeric value") );
return;
}
}
if ( HasRange() )
{
Spin()->SetValue((int)m_valueOld);
Spin()->SetFocus();
}
else
{
DoBeginEdit(GetString());
}
}
bool wxGridCellNumberEditor::EndEdit(int row, int col,
wxGrid* grid)
{
bool changed;
long value = 0;
wxString text;
if ( HasRange() )
{
value = Spin()->GetValue();
changed = value != m_valueOld;
if (changed)
text = wxString::Format(wxT("%ld"), value);
}
else
{
text = Text()->GetValue();
changed = (text.IsEmpty() || text.ToLong(&value)) && (value != m_valueOld);
}
if ( changed )
{
if (grid->GetTable()->CanSetValueAs(row, col, wxGRID_VALUE_NUMBER))
grid->GetTable()->SetValueAsLong(row, col, value);
else
grid->GetTable()->SetValue(row, col, text);
}
return changed;
}
void wxGridCellNumberEditor::Reset()
{
if ( HasRange() )
{
Spin()->SetValue((int)m_valueOld);
}
else
{
DoReset(GetString());
}
}
bool wxGridCellNumberEditor::IsAcceptedKey(wxKeyEvent& event)
{
if ( wxGridCellEditor::IsAcceptedKey(event) )
{
int keycode = event.GetKeyCode();
switch ( keycode )
{
case WXK_NUMPAD0:
case WXK_NUMPAD1:
case WXK_NUMPAD2:
case WXK_NUMPAD3:
case WXK_NUMPAD4:
case WXK_NUMPAD5:
case WXK_NUMPAD6:
case WXK_NUMPAD7:
case WXK_NUMPAD8:
case WXK_NUMPAD9:
case WXK_ADD:
case WXK_NUMPAD_ADD:
case WXK_SUBTRACT:
case WXK_NUMPAD_SUBTRACT:
case WXK_UP:
case WXK_DOWN:
return TRUE;
default:
if ( (keycode < 128) && isdigit(keycode) )
return TRUE;
}
}
return FALSE;
}
void wxGridCellNumberEditor::StartingKey(wxKeyEvent& event)
{
if ( !HasRange() )
{
int keycode = (int) event.KeyCode();
if ( isdigit(keycode) || keycode == '+' || keycode == '-'
|| keycode == WXK_NUMPAD0
|| keycode == WXK_NUMPAD1
|| keycode == WXK_NUMPAD2
|| keycode == WXK_NUMPAD3
|| keycode == WXK_NUMPAD4
|| keycode == WXK_NUMPAD5
|| keycode == WXK_NUMPAD6
|| keycode == WXK_NUMPAD7
|| keycode == WXK_NUMPAD8
|| keycode == WXK_NUMPAD9
|| keycode == WXK_ADD
|| keycode == WXK_NUMPAD_ADD
|| keycode == WXK_SUBTRACT
|| keycode == WXK_NUMPAD_SUBTRACT)
{
wxGridCellTextEditor::StartingKey(event);
// skip Skip() below
return;
}
}
event.Skip();
}
void wxGridCellNumberEditor::SetParameters(const wxString& params)
{
if ( !params )
{
// reset to default
m_min =
m_max = -1;
}
else
{
long tmp;
if ( params.BeforeFirst(_T(',')).ToLong(&tmp) )
{
m_min = (int)tmp;
if ( params.AfterFirst(_T(',')).ToLong(&tmp) )
{
m_max = (int)tmp;
// skip the error message below
return;
}
}
wxLogDebug(_T("Invalid wxGridCellNumberEditor parameter string '%s' ignored"), params.c_str());
}
}
// ----------------------------------------------------------------------------
// wxGridCellFloatEditor
// ----------------------------------------------------------------------------
wxGridCellFloatEditor::wxGridCellFloatEditor(int width, int precision)
{
m_width = width;
m_precision = precision;
}
void wxGridCellFloatEditor::Create(wxWindow* parent,
wxWindowID id,
wxEvtHandler* evtHandler)
{
wxGridCellTextEditor::Create(parent, id, evtHandler);
#if wxUSE_VALIDATORS
Text()->SetValidator(wxTextValidator(wxFILTER_NUMERIC));
#endif // wxUSE_VALIDATORS
}
void wxGridCellFloatEditor::BeginEdit(int row, int col, wxGrid* grid)
{
// first get the value
wxGridTableBase *table = grid->GetTable();
if ( table->CanGetValueAs(row, col, wxGRID_VALUE_FLOAT) )
{
m_valueOld = table->GetValueAsDouble(row, col);
}
else
{
m_valueOld = 0.0;
wxString sValue = table->GetValue(row, col);
if (! sValue.ToDouble(&m_valueOld) && ! sValue.IsEmpty())
{
wxFAIL_MSG( _T("this cell doesn't have float value") );
return;
}
}
DoBeginEdit(GetString());
}
bool wxGridCellFloatEditor::EndEdit(int row, int col,
wxGrid* grid)
{
double value = 0.0;
wxString text(Text()->GetValue());
if ( (text.IsEmpty() || text.ToDouble(&value)) && (value != m_valueOld) )
{
if (grid->GetTable()->CanSetValueAs(row, col, wxGRID_VALUE_FLOAT))
grid->GetTable()->SetValueAsDouble(row, col, value);
else
grid->GetTable()->SetValue(row, col, text);
return TRUE;
}
return FALSE;
}
void wxGridCellFloatEditor::Reset()
{
DoReset(GetString());
}
void wxGridCellFloatEditor::StartingKey(wxKeyEvent& event)
{
int keycode = (int)event.KeyCode();
if ( isdigit(keycode) || keycode == '+' || keycode == '-' || keycode == '.'
|| keycode == WXK_NUMPAD0
|| keycode == WXK_NUMPAD1
|| keycode == WXK_NUMPAD2
|| keycode == WXK_NUMPAD3
|| keycode == WXK_NUMPAD4
|| keycode == WXK_NUMPAD5
|| keycode == WXK_NUMPAD6
|| keycode == WXK_NUMPAD7
|| keycode == WXK_NUMPAD8
|| keycode == WXK_NUMPAD9
|| keycode == WXK_ADD
|| keycode == WXK_NUMPAD_ADD
|| keycode == WXK_SUBTRACT
|| keycode == WXK_NUMPAD_SUBTRACT)
{
wxGridCellTextEditor::StartingKey(event);
// skip Skip() below
return;
}
event.Skip();
}
void wxGridCellFloatEditor::SetParameters(const wxString& params)
{
if ( !params )
{
// reset to default
m_width =
m_precision = -1;
}
else
{
long tmp;
if ( params.BeforeFirst(_T(',')).ToLong(&tmp) )
{
m_width = (int)tmp;
if ( params.AfterFirst(_T(',')).ToLong(&tmp) )
{
m_precision = (int)tmp;
// skip the error message below
return;
}
}
wxLogDebug(_T("Invalid wxGridCellFloatEditor parameter string '%s' ignored"), params.c_str());
}
}
wxString wxGridCellFloatEditor::GetString() const
{
wxString fmt;
if ( m_width == -1 )
{
// default width/precision
fmt = _T("%f");
}
else if ( m_precision == -1 )
{
// default precision
fmt.Printf(_T("%%%d.f"), m_width);
}
else
{
fmt.Printf(_T("%%%d.%df"), m_width, m_precision);
}
return wxString::Format(fmt, m_valueOld);
}
bool wxGridCellFloatEditor::IsAcceptedKey(wxKeyEvent& event)
{
if ( wxGridCellEditor::IsAcceptedKey(event) )
{
int keycode = event.GetKeyCode();
switch ( keycode )
{
case WXK_NUMPAD0:
case WXK_NUMPAD1:
case WXK_NUMPAD2:
case WXK_NUMPAD3:
case WXK_NUMPAD4:
case WXK_NUMPAD5:
case WXK_NUMPAD6:
case WXK_NUMPAD7:
case WXK_NUMPAD8:
case WXK_NUMPAD9:
case WXK_ADD:
case WXK_NUMPAD_ADD:
case WXK_SUBTRACT:
case WXK_NUMPAD_SUBTRACT:
case WXK_DECIMAL:
case WXK_NUMPAD_DECIMAL:
return TRUE;
default:
// additionally accept 'e' as in '1e+6'
if ( (keycode < 128) &&
(isdigit(keycode) || tolower(keycode) == 'e') )
return TRUE;
}
}
return FALSE;
}
#endif // wxUSE_TEXTCTRL
#if wxUSE_CHECKBOX
// ----------------------------------------------------------------------------
// wxGridCellBoolEditor
// ----------------------------------------------------------------------------
void wxGridCellBoolEditor::Create(wxWindow* parent,
wxWindowID id,
wxEvtHandler* evtHandler)
{
m_control = new wxCheckBox(parent, id, wxEmptyString,
wxDefaultPosition, wxDefaultSize,
wxNO_BORDER);
wxGridCellEditor::Create(parent, id, evtHandler);
}
void wxGridCellBoolEditor::SetSize(const wxRect& r)
{
bool resize = FALSE;
wxSize size = m_control->GetSize();
wxCoord minSize = wxMin(r.width, r.height);
// check if the checkbox is not too big/small for this cell
wxSize sizeBest = m_control->GetBestSize();
if ( !(size == sizeBest) )
{
// reset to default size if it had been made smaller
size = sizeBest;
resize = TRUE;
}
if ( size.x >= minSize || size.y >= minSize )
{
// leave 1 pixel margin
size.x = size.y = minSize - 2;
resize = TRUE;
}
if ( resize )
{
m_control->SetSize(size);
}
// position it in the centre of the rectangle (TODO: support alignment?)
#if defined(__WXGTK__) || defined (__WXMOTIF__)
// the checkbox without label still has some space to the right in wxGTK,
// so shift it to the right
size.x -= 8;
#elif defined(__WXMSW__)
// here too, but in other way
size.x += 1;
size.y -= 2;
#endif
int hAlign = wxALIGN_CENTRE;
int vAlign = wxALIGN_CENTRE;
if (GetCellAttr())
GetCellAttr()->GetAlignment(& hAlign, & vAlign);
int x = 0, y = 0;
if (hAlign == wxALIGN_LEFT)
{
x = r.x + 2;
#ifdef __WXMSW__
x += 2;
#endif
y = r.y + r.height/2 - size.y/2;
}
else if (hAlign == wxALIGN_RIGHT)
{
x = r.x + r.width - size.x - 2;
y = r.y + r.height/2 - size.y/2;
}
else if (hAlign == wxALIGN_CENTRE)
{
x = r.x + r.width/2 - size.x/2;
y = r.y + r.height/2 - size.y/2;
}
m_control->Move(x, y);
}
void wxGridCellBoolEditor::Show(bool show, wxGridCellAttr *attr)
{
m_control->Show(show);
if ( show )
{
wxColour colBg = attr ? attr->GetBackgroundColour() : *wxLIGHT_GREY;
CBox()->SetBackgroundColour(colBg);
}
}
void wxGridCellBoolEditor::BeginEdit(int row, int col, wxGrid* grid)
{
wxASSERT_MSG(m_control,
wxT("The wxGridCellEditor must be Created first!"));
if (grid->GetTable()->CanGetValueAs(row, col, wxGRID_VALUE_BOOL))
m_startValue = grid->GetTable()->GetValueAsBool(row, col);
else
{
wxString cellval( grid->GetTable()->GetValue(row, col) );
m_startValue = !( !cellval || (cellval == wxT("0")) );
}
CBox()->SetValue(m_startValue);
CBox()->SetFocus();
}
bool wxGridCellBoolEditor::EndEdit(int row, int col,
wxGrid* grid)
{
wxASSERT_MSG(m_control,
wxT("The wxGridCellEditor must be Created first!"));
bool changed = FALSE;
bool value = CBox()->GetValue();
if ( value != m_startValue )
changed = TRUE;
if ( changed )
{
if (grid->GetTable()->CanGetValueAs(row, col, wxGRID_VALUE_BOOL))
grid->GetTable()->SetValueAsBool(row, col, value);
else
grid->GetTable()->SetValue(row, col, value ? _T("1") : wxEmptyString);
}
return changed;
}
void wxGridCellBoolEditor::Reset()
{
wxASSERT_MSG(m_control,
wxT("The wxGridCellEditor must be Created first!"));
CBox()->SetValue(m_startValue);
}
void wxGridCellBoolEditor::StartingClick()
{
CBox()->SetValue(!CBox()->GetValue());
}
bool wxGridCellBoolEditor::IsAcceptedKey(wxKeyEvent& event)
{
if ( wxGridCellEditor::IsAcceptedKey(event) )
{
int keycode = event.GetKeyCode();
switch ( keycode )
{
case WXK_MULTIPLY:
case WXK_NUMPAD_MULTIPLY:
case WXK_ADD:
case WXK_NUMPAD_ADD:
case WXK_SUBTRACT:
case WXK_NUMPAD_SUBTRACT:
case WXK_SPACE:
case '+':
case '-':
return TRUE;
}
}
return FALSE;
}
#endif // wxUSE_CHECKBOX
#if wxUSE_COMBOBOX
// ----------------------------------------------------------------------------
// wxGridCellChoiceEditor
// ----------------------------------------------------------------------------
wxGridCellChoiceEditor::wxGridCellChoiceEditor(size_t count,
const wxString choices[],
bool allowOthers)
: m_allowOthers(allowOthers)
{
if ( count )
{
m_choices.Alloc(count);
for ( size_t n = 0; n < count; n++ )
{
m_choices.Add(choices[n]);
}
}
}
wxGridCellEditor *wxGridCellChoiceEditor::Clone() const
{
wxGridCellChoiceEditor *editor = new wxGridCellChoiceEditor;
editor->m_allowOthers = m_allowOthers;
editor->m_choices = m_choices;
return editor;
}
void wxGridCellChoiceEditor::Create(wxWindow* parent,
wxWindowID id,
wxEvtHandler* evtHandler)
{
size_t count = m_choices.GetCount();
wxString *choices = new wxString[count];
for ( size_t n = 0; n < count; n++ )
{
choices[n] = m_choices[n];
}
m_control = new wxComboBox(parent, id, wxEmptyString,
wxDefaultPosition, wxDefaultSize,
count, choices,
m_allowOthers ? 0 : wxCB_READONLY);
delete [] choices;
wxGridCellEditor::Create(parent, id, evtHandler);
}
void wxGridCellChoiceEditor::PaintBackground(const wxRect& rectCell,
wxGridCellAttr * attr)
{
// as we fill the entire client area, don't do anything here to minimize
// flicker
// TODO: It doesn't actually fill the client area since the height of a
// combo always defaults to the standard... Until someone has time to
// figure out the right rectangle to paint, just do it the normal way...
wxGridCellEditor::PaintBackground(rectCell, attr);
}
void wxGridCellChoiceEditor::BeginEdit(int row, int col, wxGrid* grid)
{
wxASSERT_MSG(m_control,
wxT("The wxGridCellEditor must be Created first!"));
m_startValue = grid->GetTable()->GetValue(row, col);
if (m_allowOthers)
Combo()->SetValue(m_startValue);
else
{
// find the right position, or default to the first if not found
int pos = Combo()->FindString(m_startValue);
if (pos == -1)
pos = 0;
Combo()->SetSelection(pos);
}
Combo()->SetInsertionPointEnd();
Combo()->SetFocus();
}
bool wxGridCellChoiceEditor::EndEdit(int row, int col,
wxGrid* grid)
{
wxString value = Combo()->GetValue();
bool changed = value != m_startValue;
if ( changed )
grid->GetTable()->SetValue(row, col, value);
m_startValue = wxEmptyString;
if (m_allowOthers)
Combo()->SetValue(m_startValue);
else
Combo()->SetSelection(0);
return changed;
}
void wxGridCellChoiceEditor::Reset()
{
Combo()->SetValue(m_startValue);
Combo()->SetInsertionPointEnd();
}
void wxGridCellChoiceEditor::SetParameters(const wxString& params)
{
if ( !params )
{
// what can we do?
return;
}
m_choices.Empty();
wxStringTokenizer tk(params, _T(','));
while ( tk.HasMoreTokens() )
{
m_choices.Add(tk.GetNextToken());
}
}
#endif // wxUSE_COMBOBOX
// ----------------------------------------------------------------------------
// wxGridCellEditorEvtHandler
// ----------------------------------------------------------------------------
void wxGridCellEditorEvtHandler::OnKeyDown(wxKeyEvent& event)
{
switch ( event.KeyCode() )
{
case WXK_ESCAPE:
m_editor->Reset();
m_grid->DisableCellEditControl();
break;
case WXK_TAB:
m_grid->GetEventHandler()->ProcessEvent( event );
break;
case WXK_RETURN:
case WXK_NUMPAD_ENTER:
if (!m_grid->GetEventHandler()->ProcessEvent(event))
m_editor->HandleReturn(event);
break;
default:
event.Skip();
}
}
void wxGridCellEditorEvtHandler::OnChar(wxKeyEvent& event)
{
switch ( event.KeyCode() )
{
case WXK_ESCAPE:
case WXK_TAB:
case WXK_RETURN:
case WXK_NUMPAD_ENTER:
break;
default:
event.Skip();
}
}
// ----------------------------------------------------------------------------
// wxGridCellWorker is an (almost) empty common base class for
// wxGridCellRenderer and wxGridCellEditor managing ref counting
// ----------------------------------------------------------------------------
void wxGridCellWorker::SetParameters(const wxString& WXUNUSED(params))
{
// nothing to do
}
wxGridCellWorker::~wxGridCellWorker()
{
}
// ============================================================================
// renderer classes
// ============================================================================
// ----------------------------------------------------------------------------
// wxGridCellRenderer
// ----------------------------------------------------------------------------
void wxGridCellRenderer::Draw(wxGrid& grid,
wxGridCellAttr& attr,
wxDC& dc,
const wxRect& rect,
int WXUNUSED(row), int WXUNUSED(col),
bool isSelected)
{
dc.SetBackgroundMode( wxSOLID );
// grey out fields if the grid is disabled
if( grid.IsEnabled() )
{
if ( isSelected )
{
dc.SetBrush( wxBrush(grid.GetSelectionBackground(), wxSOLID) );
}
else
{
dc.SetBrush( wxBrush(attr.GetBackgroundColour(), wxSOLID) );
}
}
else
{
dc.SetBrush(wxBrush(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_BTNFACE), wxSOLID));
}
dc.SetPen( *wxTRANSPARENT_PEN );
dc.DrawRectangle(rect);
}
// ----------------------------------------------------------------------------
// wxGridCellStringRenderer
// ----------------------------------------------------------------------------
void wxGridCellStringRenderer::SetTextColoursAndFont(wxGrid& grid,
wxGridCellAttr& attr,
wxDC& dc,
bool isSelected)
{
dc.SetBackgroundMode( wxTRANSPARENT );
// TODO some special colours for attr.IsReadOnly() case?
if ( isSelected )
{
dc.SetTextBackground( grid.GetSelectionBackground() );
dc.SetTextForeground( grid.GetSelectionForeground() );
}
else
{
dc.SetTextBackground( attr.GetBackgroundColour() );
dc.SetTextForeground( attr.GetTextColour() );
}
dc.SetFont( attr.GetFont() );
}
wxSize wxGridCellStringRenderer::DoGetBestSize(wxGridCellAttr& attr,
wxDC& dc,
const wxString& text)
{
wxCoord x = 0, y = 0, max_x = 0;
dc.SetFont(attr.GetFont());
wxStringTokenizer tk(text, _T('\n'));
while ( tk.HasMoreTokens() )
{
dc.GetTextExtent(tk.GetNextToken(), &x, &y);
max_x = wxMax(max_x, x);
}
y *= 1 + text.Freq(wxT('\n')); // multiply by the number of lines.
return wxSize(max_x, y);
}
wxSize wxGridCellStringRenderer::GetBestSize(wxGrid& grid,
wxGridCellAttr& attr,
wxDC& dc,
int row, int col)
{
return DoGetBestSize(attr, dc, grid.GetCellValue(row, col));
}
void wxGridCellStringRenderer::Draw(wxGrid& grid,
wxGridCellAttr& attr,
wxDC& dc,
const wxRect& rectCell,
int row, int col,
bool isSelected)
{
wxRect rect = rectCell;
rect.Inflate(-1);
// erase only this cells background, overflow cells should have been erased
wxGridCellRenderer::Draw(grid, attr, dc, rectCell, row, col, isSelected);
int hAlign, vAlign;
attr.GetAlignment(&hAlign, &vAlign);
int overflowCols = 0;
if (attr.GetOverflow())
{
int cols = grid.GetNumberCols();
int best_width = GetBestSize(grid,attr,dc,row,col).GetWidth();
int cell_rows, cell_cols;
attr.GetSize( &cell_rows, &cell_cols ); // shouldn't get here if <=0
if ((best_width > rectCell.width) && (col < cols) && grid.GetTable())
{
int i, c_cols, c_rows;
for (i = col+cell_cols; i < cols; i++)
{
bool is_empty = TRUE;
for (int j=row; j<row+cell_rows; j++)
{
// check w/ anchor cell for multicell block
grid.GetCellSize(j, i, &c_rows, &c_cols);
if (c_rows > 0) c_rows = 0;
if (!grid.GetTable()->IsEmptyCell(j+c_rows, i))
{
is_empty = FALSE;
break;
}
}
if (is_empty)
rect.width += grid.GetColSize(i);
else
{
i--;
break;
}
if (rect.width >= best_width) break;
}
overflowCols = i - col - cell_cols + 1;
if (overflowCols >= cols) overflowCols = cols - 1;
}
if (overflowCols > 0) // redraw overflow cells w/ proper hilight
{
hAlign = wxALIGN_LEFT; // if oveflowed then it's left aligned
wxRect clip = rect;
clip.x += rectCell.width;
// draw each overflow cell individually
int col_end = col+cell_cols+overflowCols;
if (col_end >= grid.GetNumberCols())
col_end = grid.GetNumberCols() - 1;
for (int i = col+cell_cols; i <= col_end; i++)
{
clip.width = grid.GetColSize(i) - 1;
dc.DestroyClippingRegion();
dc.SetClippingRegion(clip);
SetTextColoursAndFont(grid, attr, dc,
grid.IsInSelection(row,i));
grid.DrawTextRectangle(dc, grid.GetCellValue(row, col),
rect, hAlign, vAlign);
clip.x += grid.GetColSize(i) - 1;
}
rect = rectCell;
rect.Inflate(-1);
rect.width++;
dc.DestroyClippingRegion();
}
}
// now we only have to draw the text
SetTextColoursAndFont(grid, attr, dc, isSelected);
grid.DrawTextRectangle(dc, grid.GetCellValue(row, col),
rect, hAlign, vAlign);
}
// ----------------------------------------------------------------------------
// wxGridCellNumberRenderer
// ----------------------------------------------------------------------------
wxString wxGridCellNumberRenderer::GetString(wxGrid& grid, int row, int col)
{
wxGridTableBase *table = grid.GetTable();
wxString text;
if ( table->CanGetValueAs(row, col, wxGRID_VALUE_NUMBER) )
{
text.Printf(_T("%ld"), table->GetValueAsLong(row, col));
}
else
{
text = table->GetValue(row, col);
}
return text;
}
void wxGridCellNumberRenderer::Draw(wxGrid& grid,
wxGridCellAttr& attr,
wxDC& dc,
const wxRect& rectCell,
int row, int col,
bool isSelected)
{
wxGridCellRenderer::Draw(grid, attr, dc, rectCell, row, col, isSelected);
SetTextColoursAndFont(grid, attr, dc, isSelected);
// draw the text right aligned by default
int hAlign, vAlign;
attr.GetAlignment(&hAlign, &vAlign);
hAlign = wxALIGN_RIGHT;
wxRect rect = rectCell;
rect.Inflate(-1);
grid.DrawTextRectangle(dc, GetString(grid, row, col), rect, hAlign, vAlign);
}
wxSize wxGridCellNumberRenderer::GetBestSize(wxGrid& grid,
wxGridCellAttr& attr,
wxDC& dc,
int row, int col)
{
return DoGetBestSize(attr, dc, GetString(grid, row, col));
}
// ----------------------------------------------------------------------------
// wxGridCellFloatRenderer
// ----------------------------------------------------------------------------
wxGridCellFloatRenderer::wxGridCellFloatRenderer(int width, int precision)
{
SetWidth(width);
SetPrecision(precision);
}
wxGridCellRenderer *wxGridCellFloatRenderer::Clone() const
{
wxGridCellFloatRenderer *renderer = new wxGridCellFloatRenderer;
renderer->m_width = m_width;
renderer->m_precision = m_precision;
renderer->m_format = m_format;
return renderer;
}
wxString wxGridCellFloatRenderer::GetString(wxGrid& grid, int row, int col)
{
wxGridTableBase *table = grid.GetTable();
bool hasDouble;
double val;
wxString text;
if ( table->CanGetValueAs(row, col, wxGRID_VALUE_FLOAT) )
{
val = table->GetValueAsDouble(row, col);
hasDouble = TRUE;
}
else
{
text = table->GetValue(row, col);
hasDouble = text.ToDouble(&val);
}
if ( hasDouble )
{
if ( !m_format )
{
if ( m_width == -1 )
{
if ( m_precision == -1 )
{
// default width/precision
m_format = _T("%f");
}
else
{
m_format.Printf(_T("%%.%df"), m_precision);
}
}
else if ( m_precision == -1 )
{
// default precision
m_format.Printf(_T("%%%d.f"), m_width);
}
else
{
m_format.Printf(_T("%%%d.%df"), m_width, m_precision);
}
}
text.Printf(m_format, val);
}
//else: text already contains the string
return text;
}
void wxGridCellFloatRenderer::Draw(wxGrid& grid,
wxGridCellAttr& attr,
wxDC& dc,
const wxRect& rectCell,
int row, int col,
bool isSelected)
{
wxGridCellRenderer::Draw(grid, attr, dc, rectCell, row, col, isSelected);
SetTextColoursAndFont(grid, attr, dc, isSelected);
// draw the text right aligned by default
int hAlign, vAlign;
attr.GetAlignment(&hAlign, &vAlign);
hAlign = wxALIGN_RIGHT;
wxRect rect = rectCell;
rect.Inflate(-1);
grid.DrawTextRectangle(dc, GetString(grid, row, col), rect, hAlign, vAlign);
}
wxSize wxGridCellFloatRenderer::GetBestSize(wxGrid& grid,
wxGridCellAttr& attr,
wxDC& dc,
int row, int col)
{
return DoGetBestSize(attr, dc, GetString(grid, row, col));
}
void wxGridCellFloatRenderer::SetParameters(const wxString& params)
{
if ( !params )
{
// reset to defaults
SetWidth(-1);
SetPrecision(-1);
}
else
{
wxString tmp = params.BeforeFirst(_T(','));
if ( !!tmp )
{
long width;
if ( tmp.ToLong(&width) )
{
SetWidth((int)width);
}
else
{
wxLogDebug(_T("Invalid wxGridCellFloatRenderer width parameter string '%s ignored"), params.c_str());
}
}
tmp = params.AfterFirst(_T(','));
if ( !!tmp )
{
long precision;
if ( tmp.ToLong(&precision) )
{
SetPrecision((int)precision);
}
else
{
wxLogDebug(_T("Invalid wxGridCellFloatRenderer precision parameter string '%s ignored"), params.c_str());
}
}
}
}
// ----------------------------------------------------------------------------
// wxGridCellBoolRenderer
// ----------------------------------------------------------------------------
wxSize wxGridCellBoolRenderer::ms_sizeCheckMark;
// FIXME these checkbox size calculations are really ugly...
// between checkmark and box
static const wxCoord wxGRID_CHECKMARK_MARGIN = 2;
wxSize wxGridCellBoolRenderer::GetBestSize(wxGrid& grid,
wxGridCellAttr& WXUNUSED(attr),
wxDC& WXUNUSED(dc),
int WXUNUSED(row),
int WXUNUSED(col))
{
// compute it only once (no locks for MT safeness in GUI thread...)
if ( !ms_sizeCheckMark.x )
{
// get checkbox size
wxCoord checkSize = 0;
wxCheckBox *checkbox = new wxCheckBox(&grid, -1, wxEmptyString);
wxSize size = checkbox->GetBestSize();
checkSize = size.y + 2*wxGRID_CHECKMARK_MARGIN;
// FIXME wxGTK::wxCheckBox::GetBestSize() gives "wrong" result
#if defined(__WXGTK__) || defined(__WXMOTIF__)
checkSize -= size.y / 2;
#endif
delete checkbox;
ms_sizeCheckMark.x = ms_sizeCheckMark.y = checkSize;
}
return ms_sizeCheckMark;
}
void wxGridCellBoolRenderer::Draw(wxGrid& grid,
wxGridCellAttr& attr,
wxDC& dc,
const wxRect& rect,
int row, int col,
bool isSelected)
{
wxGridCellRenderer::Draw(grid, attr, dc, rect, row, col, isSelected);
// draw a check mark in the centre (ignoring alignment - TODO)
wxSize size = GetBestSize(grid, attr, dc, row, col);
// don't draw outside the cell
wxCoord minSize = wxMin(rect.width, rect.height);
if ( size.x >= minSize || size.y >= minSize )
{
// and even leave (at least) 1 pixel margin
size.x = size.y = minSize - 2;
}
// draw a border around checkmark
int vAlign, hAlign;
attr.GetAlignment(& hAlign, &vAlign);
wxRect rectBorder;
if (hAlign == wxALIGN_CENTRE)
{
rectBorder.x = rect.x + rect.width/2 - size.x/2;
rectBorder.y = rect.y + rect.height/2 - size.y/2;
rectBorder.width = size.x;
rectBorder.height = size.y;
}
else if (hAlign == wxALIGN_LEFT)
{
rectBorder.x = rect.x + 2;
rectBorder.y = rect.y + rect.height/2 - size.y/2;
rectBorder.width = size.x;
rectBorder.height = size.y;
}
else if (hAlign == wxALIGN_RIGHT)
{
rectBorder.x = rect.x + rect.width - size.x - 2;
rectBorder.y = rect.y + rect.height/2 - size.y/2;
rectBorder.width = size.x;
rectBorder.height = size.y;
}
bool value;
if ( grid.GetTable()->CanGetValueAs(row, col, wxGRID_VALUE_BOOL) )
value = grid.GetTable()->GetValueAsBool(row, col);
else
{
wxString cellval( grid.GetTable()->GetValue(row, col) );
value = !( !cellval || (cellval == wxT("0")) );
}
if ( value )
{
wxRect rectMark = rectBorder;
#ifdef __WXMSW__
// MSW DrawCheckMark() is weird (and should probably be changed...)
rectMark.Inflate(-wxGRID_CHECKMARK_MARGIN/2);
rectMark.x++;
rectMark.y++;
#else // !MSW
rectMark.Inflate(-wxGRID_CHECKMARK_MARGIN);
#endif // MSW/!MSW
dc.SetTextForeground(attr.GetTextColour());
dc.DrawCheckMark(rectMark);
}
dc.SetBrush(*wxTRANSPARENT_BRUSH);
dc.SetPen(wxPen(attr.GetTextColour(), 1, wxSOLID));
dc.DrawRectangle(rectBorder);
}
// ----------------------------------------------------------------------------
// wxGridCellAttr
// ----------------------------------------------------------------------------
void wxGridCellAttr::Init(wxGridCellAttr *attrDefault)
{
m_nRef = 1;
m_isReadOnly = Unset;
m_renderer = NULL;
m_editor = NULL;
m_attrkind = wxGridCellAttr::Cell;
m_sizeRows = m_sizeCols = 1;
m_overflow = TRUE;
SetDefAttr(attrDefault);
}
wxGridCellAttr *wxGridCellAttr::Clone() const
{
wxGridCellAttr *attr = new wxGridCellAttr(m_defGridAttr);
if ( HasTextColour() )
attr->SetTextColour(GetTextColour());
if ( HasBackgroundColour() )
attr->SetBackgroundColour(GetBackgroundColour());
if ( HasFont() )
attr->SetFont(GetFont());
if ( HasAlignment() )
attr->SetAlignment(m_hAlign, m_vAlign);
attr->SetSize( m_sizeRows, m_sizeCols );
if ( m_renderer )
{
attr->SetRenderer(m_renderer);
m_renderer->IncRef();
}
if ( m_editor )
{
attr->SetEditor(m_editor);
m_editor->IncRef();
}
if ( IsReadOnly() )
attr->SetReadOnly();
attr->SetKind( m_attrkind );
return attr;
}
void wxGridCellAttr::MergeWith(wxGridCellAttr *mergefrom)
{
if ( !HasTextColour() && mergefrom->HasTextColour() )
SetTextColour(mergefrom->GetTextColour());
if ( !HasBackgroundColour() && mergefrom->HasBackgroundColour() )
SetBackgroundColour(mergefrom->GetBackgroundColour());
if ( !HasFont() && mergefrom->HasFont() )
SetFont(mergefrom->GetFont());
if ( !HasAlignment() && mergefrom->HasAlignment() ){
int hAlign, vAlign;
mergefrom->GetAlignment( &hAlign, &vAlign);
SetAlignment(hAlign, vAlign);
}
mergefrom->GetSize( &m_sizeRows, &m_sizeCols );
// Directly access member functions as GetRender/Editor don't just return
// m_renderer/m_editor
//
// Maybe add support for merge of Render and Editor?
if (!HasRenderer() && mergefrom->HasRenderer() )
{
m_renderer = mergefrom->m_renderer;
m_renderer->IncRef();
}
if ( !HasEditor() && mergefrom->HasEditor() )
{
m_editor = mergefrom->m_editor;
m_editor->IncRef();
}
if ( !HasReadWriteMode() && mergefrom->HasReadWriteMode() )
SetReadOnly(mergefrom->IsReadOnly());
SetDefAttr(mergefrom->m_defGridAttr);
}
void wxGridCellAttr::SetSize(int num_rows, int num_cols)
{
// The size of a cell is normally 1,1
// If this cell is larger (2,2) then this is the top left cell
// the other cells that will be covered (lower right cells) must be
// set to negative or zero values such that
// row + num_rows of the covered cell points to the larger cell (this cell)
// same goes for the col + num_cols.
// Size of 0,0 is NOT valid, neither is <=0 and any positive value
wxASSERT_MSG( (!((num_rows>0)&&(num_cols<=0)) ||
!((num_rows<=0)&&(num_cols>0)) ||
!((num_rows==0)&&(num_cols==0))),
wxT("wxGridCellAttr::SetSize only takes two postive values or negative/zero values"));
m_sizeRows = num_rows;
m_sizeCols = num_cols;
}
const wxColour& wxGridCellAttr::GetTextColour() const
{
if (HasTextColour())
{
return m_colText;
}
else if (m_defGridAttr && m_defGridAttr != this)
{
return m_defGridAttr->GetTextColour();
}
else
{
wxFAIL_MSG(wxT("Missing default cell attribute"));
return wxNullColour;
}
}
const wxColour& wxGridCellAttr::GetBackgroundColour() const
{
if (HasBackgroundColour())
return m_colBack;
else if (m_defGridAttr && m_defGridAttr != this)
return m_defGridAttr->GetBackgroundColour();
else
{
wxFAIL_MSG(wxT("Missing default cell attribute"));
return wxNullColour;
}
}
const wxFont& wxGridCellAttr::GetFont() const
{
if (HasFont())
return m_font;
else if (m_defGridAttr && m_defGridAttr != this)
return m_defGridAttr->GetFont();
else
{
wxFAIL_MSG(wxT("Missing default cell attribute"));
return wxNullFont;
}
}
void wxGridCellAttr::GetAlignment(int *hAlign, int *vAlign) const
{
if (HasAlignment())
{
if ( hAlign ) *hAlign = m_hAlign;
if ( vAlign ) *vAlign = m_vAlign;
}
else if (m_defGridAttr && m_defGridAttr != this)
m_defGridAttr->GetAlignment(hAlign, vAlign);
else
{
wxFAIL_MSG(wxT("Missing default cell attribute"));
}
}
void wxGridCellAttr::GetSize( int *num_rows, int *num_cols ) const
{
if ( num_rows ) *num_rows = m_sizeRows;
if ( num_cols ) *num_cols = m_sizeCols;
}
// GetRenderer and GetEditor use a slightly different decision path about
// which attribute to use. If a non-default attr object has one then it is
// used, otherwise the default editor or renderer is fetched from the grid and
// used. It should be the default for the data type of the cell. If it is
// NULL (because the table has a type that the grid does not have in its
// registry,) then the grid's default editor or renderer is used.
wxGridCellRenderer* wxGridCellAttr::GetRenderer(wxGrid* grid, int row, int col) const
{
wxGridCellRenderer *renderer;
if ( m_renderer && this != m_defGridAttr )
{
// use the cells renderer if it has one
renderer = m_renderer;
renderer->IncRef();
}
else // no non default cell renderer
{
// get default renderer for the data type
if ( grid )
{
// GetDefaultRendererForCell() will do IncRef() for us
renderer = grid->GetDefaultRendererForCell(row, col);
}
else
{
renderer = NULL;
}
if ( !renderer )
{
if (m_defGridAttr && this != m_defGridAttr )
{
// if we still don't have one then use the grid default
// (no need for IncRef() here neither)
renderer = m_defGridAttr->GetRenderer(NULL, 0, 0);
}
else // default grid attr
{
// use m_renderer which we had decided not to use initially
renderer = m_renderer;
if ( renderer )
renderer->IncRef();
}
}
}
// we're supposed to always find something
wxASSERT_MSG(renderer, wxT("Missing default cell renderer"));
return renderer;
}
// same as above, except for s/renderer/editor/g
wxGridCellEditor* wxGridCellAttr::GetEditor(wxGrid* grid, int row, int col) const
{
wxGridCellEditor *editor;
if ( m_editor && this != m_defGridAttr )
{
// use the cells editor if it has one
editor = m_editor;
editor->IncRef();
}
else // no non default cell editor
{
// get default editor for the data type
if ( grid )
{
// GetDefaultEditorForCell() will do IncRef() for us
editor = grid->GetDefaultEditorForCell(row, col);
}
else
{
editor = NULL;
}
if ( !editor )
{
if ( m_defGridAttr && this != m_defGridAttr )
{
// if we still don't have one then use the grid default
// (no need for IncRef() here neither)
editor = m_defGridAttr->GetEditor(NULL, 0, 0);
}
else // default grid attr
{
// use m_editor which we had decided not to use initially
editor = m_editor;
if ( editor )
editor->IncRef();
}
}
}
// we're supposed to always find something
wxASSERT_MSG(editor, wxT("Missing default cell editor"));
return editor;
}
// ----------------------------------------------------------------------------
// wxGridCellAttrData
// ----------------------------------------------------------------------------
void wxGridCellAttrData::SetAttr(wxGridCellAttr *attr, int row, int col)
{
int n = FindIndex(row, col);
if ( n == wxNOT_FOUND )
{
// add the attribute
m_attrs.Add(new wxGridCellWithAttr(row, col, attr));
}
else
{
// free the old attribute
m_attrs[(size_t)n].attr->DecRef();
if ( attr )
{
// change the attribute
m_attrs[(size_t)n].attr = attr;
}
else
{
// remove this attribute
m_attrs.RemoveAt((size_t)n);
}
}
}
wxGridCellAttr *wxGridCellAttrData::GetAttr(int row, int col) const
{
wxGridCellAttr *attr = (wxGridCellAttr *)NULL;
int n = FindIndex(row, col);
if ( n != wxNOT_FOUND )
{
attr = m_attrs[(size_t)n].attr;
attr->IncRef();
}
return attr;
}
void wxGridCellAttrData::UpdateAttrRows( size_t pos, int numRows )
{
size_t count = m_attrs.GetCount();
for ( size_t n = 0; n < count; n++ )
{
wxGridCellCoords& coords = m_attrs[n].coords;
wxCoord row = coords.GetRow();
if ((size_t)row >= pos)
{
if (numRows > 0)
{
// If rows inserted, include row counter where necessary
coords.SetRow(row + numRows);
}
else if (numRows < 0)
{
// If rows deleted ...
if ((size_t)row >= pos - numRows)
{
// ...either decrement row counter (if row still exists)...
coords.SetRow(row + numRows);
}
else
{
// ...or remove the attribute
m_attrs.RemoveAt((size_t)n);
n--; count--;
}
}
}
}
}
void wxGridCellAttrData::UpdateAttrCols( size_t pos, int numCols )
{
size_t count = m_attrs.GetCount();
for ( size_t n = 0; n < count; n++ )
{
wxGridCellCoords& coords = m_attrs[n].coords;
wxCoord col = coords.GetCol();
if ( (size_t)col >= pos )
{
if ( numCols > 0 )
{
// If rows inserted, include row counter where necessary
coords.SetCol(col + numCols);
}
else if (numCols < 0)
{
// If rows deleted ...
if ((size_t)col >= pos - numCols)
{
// ...either decrement row counter (if row still exists)...
coords.SetCol(col + numCols);
}
else
{
// ...or remove the attribute
m_attrs.RemoveAt((size_t)n);
n--; count--;
}
}
}
}
}
int wxGridCellAttrData::FindIndex(int row, int col) const
{
size_t count = m_attrs.GetCount();
for ( size_t n = 0; n < count; n++ )
{
const wxGridCellCoords& coords = m_attrs[n].coords;
if ( (coords.GetRow() == row) && (coords.GetCol() == col) )
{
return n;
}
}
return wxNOT_FOUND;
}
// ----------------------------------------------------------------------------
// wxGridRowOrColAttrData
// ----------------------------------------------------------------------------
wxGridRowOrColAttrData::~wxGridRowOrColAttrData()
{
size_t count = m_attrs.Count();
for ( size_t n = 0; n < count; n++ )
{
m_attrs[n]->DecRef();
}
}
wxGridCellAttr *wxGridRowOrColAttrData::GetAttr(int rowOrCol) const
{
wxGridCellAttr *attr = (wxGridCellAttr *)NULL;
int n = m_rowsOrCols.Index(rowOrCol);
if ( n != wxNOT_FOUND )
{
attr = m_attrs[(size_t)n];
attr->IncRef();
}
return attr;
}
void wxGridRowOrColAttrData::SetAttr(wxGridCellAttr *attr, int rowOrCol)
{
int i = m_rowsOrCols.Index(rowOrCol);
if ( i == wxNOT_FOUND )
{
// add the attribute
m_rowsOrCols.Add(rowOrCol);
m_attrs.Add(attr);
}
else
{
size_t n = (size_t)i;
if ( attr )
{
// change the attribute
m_attrs[n]->DecRef();
m_attrs[n] = attr;
}
else
{
// remove this attribute
m_attrs[n]->DecRef();
m_rowsOrCols.RemoveAt(n);
m_attrs.RemoveAt(n);
}
}
}
void wxGridRowOrColAttrData::UpdateAttrRowsOrCols( size_t pos, int numRowsOrCols )
{
size_t count = m_attrs.GetCount();
for ( size_t n = 0; n < count; n++ )
{
int & rowOrCol = m_rowsOrCols[n];
if ( (size_t)rowOrCol >= pos )
{
if ( numRowsOrCols > 0 )
{
// If rows inserted, include row counter where necessary
rowOrCol += numRowsOrCols;
}
else if ( numRowsOrCols < 0)
{
// If rows deleted, either decrement row counter (if row still exists)
if ((size_t)rowOrCol >= pos - numRowsOrCols)
rowOrCol += numRowsOrCols;
else
{
m_rowsOrCols.RemoveAt((size_t)n);
m_attrs.RemoveAt((size_t)n);
n--; count--;
}
}
}
}
}
// ----------------------------------------------------------------------------
// wxGridCellAttrProvider
// ----------------------------------------------------------------------------
wxGridCellAttrProvider::wxGridCellAttrProvider()
{
m_data = (wxGridCellAttrProviderData *)NULL;
}
wxGridCellAttrProvider::~wxGridCellAttrProvider()
{
delete m_data;
}
void wxGridCellAttrProvider::InitData()
{
m_data = new wxGridCellAttrProviderData;
}
wxGridCellAttr *wxGridCellAttrProvider::GetAttr(int row, int col,
wxGridCellAttr::wxAttrKind kind ) const
{
wxGridCellAttr *attr = (wxGridCellAttr *)NULL;
if ( m_data )
{
switch(kind)
{
case (wxGridCellAttr::Any):
//Get cached merge attributes.
// Currenlty not used as no cache implemented as not mutiable
// attr = m_data->m_mergeAttr.GetAttr(row, col);
if(!attr)
{
//Basicaly implement old version.
//Also check merge cache, so we don't have to re-merge every time..
wxGridCellAttr *attrcell = (wxGridCellAttr *)NULL,
*attrrow = (wxGridCellAttr *)NULL,
*attrcol = (wxGridCellAttr *)NULL;
attrcell = m_data->m_cellAttrs.GetAttr(row, col);
attrcol = m_data->m_colAttrs.GetAttr(col);
attrrow = m_data->m_rowAttrs.GetAttr(row);
if((attrcell != attrrow) && (attrrow !=attrcol) && (attrcell != attrcol)){
// Two or move are non NULL
attr = new wxGridCellAttr;
attr->SetKind(wxGridCellAttr::Merged);
//Order important..
if(attrcell){
attr->MergeWith(attrcell);
attrcell->DecRef();
}
if(attrcol){
attr->MergeWith(attrcol);
attrcol->DecRef();
}
if(attrrow){
attr->MergeWith(attrrow);
attrrow->DecRef();
}
//store merge attr if cache implemented
//attr->IncRef();
//m_data->m_mergeAttr.SetAttr(attr, row, col);
}
else
{
// one or none is non null return it or null.
if(attrrow) attr = attrrow;
if(attrcol) attr = attrcol;
if(attrcell) attr = attrcell;
}
}
break;
case (wxGridCellAttr::Cell):
attr = m_data->m_cellAttrs.GetAttr(row, col);
break;
case (wxGridCellAttr::Col):
attr = m_data->m_colAttrs.GetAttr(col);
break;
case (wxGridCellAttr::Row):
attr = m_data->m_rowAttrs.GetAttr(row);
break;
default:
// unused as yet...
// (wxGridCellAttr::Default):
// (wxGridCellAttr::Merged):
break;
}
}
return attr;
}
void wxGridCellAttrProvider::SetAttr(wxGridCellAttr *attr,
int row, int col)
{
if ( !m_data )
InitData();
m_data->m_cellAttrs.SetAttr(attr, row, col);
}
void wxGridCellAttrProvider::SetRowAttr(wxGridCellAttr *attr, int row)
{
if ( !m_data )
InitData();
m_data->m_rowAttrs.SetAttr(attr, row);
}
void wxGridCellAttrProvider::SetColAttr(wxGridCellAttr *attr, int col)
{
if ( !m_data )
InitData();
m_data->m_colAttrs.SetAttr(attr, col);
}
void wxGridCellAttrProvider::UpdateAttrRows( size_t pos, int numRows )
{
if ( m_data )
{
m_data->m_cellAttrs.UpdateAttrRows( pos, numRows );
m_data->m_rowAttrs.UpdateAttrRowsOrCols( pos, numRows );
}
}
void wxGridCellAttrProvider::UpdateAttrCols( size_t pos, int numCols )
{
if ( m_data )
{
m_data->m_cellAttrs.UpdateAttrCols( pos, numCols );
m_data->m_colAttrs.UpdateAttrRowsOrCols( pos, numCols );
}
}
// ----------------------------------------------------------------------------
// wxGridTypeRegistry
// ----------------------------------------------------------------------------
wxGridTypeRegistry::~wxGridTypeRegistry()
{
size_t count = m_typeinfo.Count();
for ( size_t i = 0; i < count; i++ )
delete m_typeinfo[i];
}
void wxGridTypeRegistry::RegisterDataType(const wxString& typeName,
wxGridCellRenderer* renderer,
wxGridCellEditor* editor)
{
wxGridDataTypeInfo* info = new wxGridDataTypeInfo(typeName, renderer, editor);
// is it already registered?
int loc = FindRegisteredDataType(typeName);
if ( loc != wxNOT_FOUND )
{
delete m_typeinfo[loc];
m_typeinfo[loc] = info;
}
else
{
m_typeinfo.Add(info);
}
}
int wxGridTypeRegistry::FindRegisteredDataType(const wxString& typeName)
{
size_t count = m_typeinfo.GetCount();
for ( size_t i = 0; i < count; i++ )
{
if ( typeName == m_typeinfo[i]->m_typeName )
{
return i;
}
}
return wxNOT_FOUND;
}
int wxGridTypeRegistry::FindDataType(const wxString& typeName)
{
int index = FindRegisteredDataType(typeName);
if ( index == wxNOT_FOUND )
{
// check whether this is one of the standard ones, in which case
// register it "on the fly"
#if wxUSE_TEXTCTRL
if ( typeName == wxGRID_VALUE_STRING )
{
RegisterDataType(wxGRID_VALUE_STRING,
new wxGridCellStringRenderer,
new wxGridCellTextEditor);
} else
#endif // wxUSE_TEXTCTRL
#if wxUSE_CHECKBOX
if ( typeName == wxGRID_VALUE_BOOL )
{
RegisterDataType(wxGRID_VALUE_BOOL,
new wxGridCellBoolRenderer,
new wxGridCellBoolEditor);
} else
#endif // wxUSE_CHECKBOX
#if wxUSE_TEXTCTRL
if ( typeName == wxGRID_VALUE_NUMBER )
{
RegisterDataType(wxGRID_VALUE_NUMBER,
new wxGridCellNumberRenderer,
new wxGridCellNumberEditor);
}
else if ( typeName == wxGRID_VALUE_FLOAT )
{
RegisterDataType(wxGRID_VALUE_FLOAT,
new wxGridCellFloatRenderer,
new wxGridCellFloatEditor);
} else
#endif // wxUSE_TEXTCTRL
#if wxUSE_COMBOBOX
if ( typeName == wxGRID_VALUE_CHOICE )
{
RegisterDataType(wxGRID_VALUE_CHOICE,
new wxGridCellStringRenderer,
new wxGridCellChoiceEditor);
} else
#endif // wxUSE_COMBOBOX
{
return wxNOT_FOUND;
}
// we get here only if just added the entry for this type, so return
// the last index
index = m_typeinfo.GetCount() - 1;
}
return index;
}
int wxGridTypeRegistry::FindOrCloneDataType(const wxString& typeName)
{
int index = FindDataType(typeName);
if ( index == wxNOT_FOUND )
{
// the first part of the typename is the "real" type, anything after ':'
// are the parameters for the renderer
index = FindDataType(typeName.BeforeFirst(_T(':')));
if ( index == wxNOT_FOUND )
{
return wxNOT_FOUND;
}
wxGridCellRenderer *renderer = GetRenderer(index);
wxGridCellRenderer *rendererOld = renderer;
renderer = renderer->Clone();
rendererOld->DecRef();
wxGridCellEditor *editor = GetEditor(index);
wxGridCellEditor *editorOld = editor;
editor = editor->Clone();
editorOld->DecRef();
// do it even if there are no parameters to reset them to defaults
wxString params = typeName.AfterFirst(_T(':'));
renderer->SetParameters(params);
editor->SetParameters(params);
// register the new typename
RegisterDataType(typeName, renderer, editor);
// we just registered it, it's the last one
index = m_typeinfo.GetCount() - 1;
}
return index;
}
wxGridCellRenderer* wxGridTypeRegistry::GetRenderer(int index)
{
wxGridCellRenderer* renderer = m_typeinfo[index]->m_renderer;
if (renderer)
renderer->IncRef();
return renderer;
}
wxGridCellEditor* wxGridTypeRegistry::GetEditor(int index)
{
wxGridCellEditor* editor = m_typeinfo[index]->m_editor;
if (editor)
editor->IncRef();
return editor;
}
// ----------------------------------------------------------------------------
// wxGridTableBase
// ----------------------------------------------------------------------------
IMPLEMENT_ABSTRACT_CLASS( wxGridTableBase, wxObject )
wxGridTableBase::wxGridTableBase()
{
m_view = (wxGrid *) NULL;
m_attrProvider = (wxGridCellAttrProvider *) NULL;
}
wxGridTableBase::~wxGridTableBase()
{
delete m_attrProvider;
}
void wxGridTableBase::SetAttrProvider(wxGridCellAttrProvider *attrProvider)
{
delete m_attrProvider;
m_attrProvider = attrProvider;
}
bool wxGridTableBase::CanHaveAttributes()
{
if ( ! GetAttrProvider() )
{
// use the default attr provider by default
SetAttrProvider(new wxGridCellAttrProvider);
}
return TRUE;
}
wxGridCellAttr *wxGridTableBase::GetAttr(int row, int col, wxGridCellAttr::wxAttrKind kind)
{
if ( m_attrProvider )
return m_attrProvider->GetAttr(row, col, kind);
else
return (wxGridCellAttr *)NULL;
}
void wxGridTableBase::SetAttr(wxGridCellAttr* attr, int row, int col)
{
if ( m_attrProvider )
{
attr->SetKind(wxGridCellAttr::Cell);
m_attrProvider->SetAttr(attr, row, col);
}
else
{
// as we take ownership of the pointer and don't store it, we must
// free it now
wxSafeDecRef(attr);
}
}
void wxGridTableBase::SetRowAttr(wxGridCellAttr *attr, int row)
{
if ( m_attrProvider )
{
attr->SetKind(wxGridCellAttr::Row);
m_attrProvider->SetRowAttr(attr, row);
}
else
{
// as we take ownership of the pointer and don't store it, we must
// free it now
wxSafeDecRef(attr);
}
}
void wxGridTableBase::SetColAttr(wxGridCellAttr *attr, int col)
{
if ( m_attrProvider )
{
attr->SetKind(wxGridCellAttr::Col);
m_attrProvider->SetColAttr(attr, col);
}
else
{
// as we take ownership of the pointer and don't store it, we must
// free it now
wxSafeDecRef(attr);
}
}
bool wxGridTableBase::InsertRows( size_t WXUNUSED(pos),
size_t WXUNUSED(numRows) )
{
wxFAIL_MSG( wxT("Called grid table class function InsertRows\nbut your derived table class does not override this function") );
return FALSE;
}
bool wxGridTableBase::AppendRows( size_t WXUNUSED(numRows) )
{
wxFAIL_MSG( wxT("Called grid table class function AppendRows\nbut your derived table class does not override this function"));
return FALSE;
}
bool wxGridTableBase::DeleteRows( size_t WXUNUSED(pos),
size_t WXUNUSED(numRows) )
{
wxFAIL_MSG( wxT("Called grid table class function DeleteRows\nbut your derived table class does not override this function"));
return FALSE;
}
bool wxGridTableBase::InsertCols( size_t WXUNUSED(pos),
size_t WXUNUSED(numCols) )
{
wxFAIL_MSG( wxT("Called grid table class function InsertCols\nbut your derived table class does not override this function"));
return FALSE;
}
bool wxGridTableBase::AppendCols( size_t WXUNUSED(numCols) )
{
wxFAIL_MSG(wxT("Called grid table class function AppendCols\nbut your derived table class does not override this function"));
return FALSE;
}
bool wxGridTableBase::DeleteCols( size_t WXUNUSED(pos),
size_t WXUNUSED(numCols) )
{
wxFAIL_MSG( wxT("Called grid table class function DeleteCols\nbut your derived table class does not override this function"));
return FALSE;
}
wxString wxGridTableBase::GetRowLabelValue( int row )
{
wxString s;
s << row + 1; // RD: Starting the rows at zero confuses users, no matter
// how much it makes sense to us geeks.
return s;
}
wxString wxGridTableBase::GetColLabelValue( int col )
{
// default col labels are:
// cols 0 to 25 : A-Z
// cols 26 to 675 : AA-ZZ
// etc.
wxString s;
unsigned int i, n;
for ( n = 1; ; n++ )
{
s += (_T('A') + (wxChar)( col%26 ));
col = col/26 - 1;
if ( col < 0 ) break;
}
// reverse the string...
wxString s2;
for ( i = 0; i < n; i++ )
{
s2 += s[n-i-1];
}
return s2;
}
wxString wxGridTableBase::GetTypeName( int WXUNUSED(row), int WXUNUSED(col) )
{
return wxGRID_VALUE_STRING;
}
bool wxGridTableBase::CanGetValueAs( int WXUNUSED(row), int WXUNUSED(col),
const wxString& typeName )
{
return typeName == wxGRID_VALUE_STRING;
}
bool wxGridTableBase::CanSetValueAs( int row, int col, const wxString& typeName )
{
return CanGetValueAs(row, col, typeName);
}
long wxGridTableBase::GetValueAsLong( int WXUNUSED(row), int WXUNUSED(col) )
{
return 0;
}
double wxGridTableBase::GetValueAsDouble( int WXUNUSED(row), int WXUNUSED(col) )
{
return 0.0;
}
bool wxGridTableBase::GetValueAsBool( int WXUNUSED(row), int WXUNUSED(col) )
{
return FALSE;
}
void wxGridTableBase::SetValueAsLong( int WXUNUSED(row), int WXUNUSED(col),
long WXUNUSED(value) )
{
}
void wxGridTableBase::SetValueAsDouble( int WXUNUSED(row), int WXUNUSED(col),
double WXUNUSED(value) )
{
}
void wxGridTableBase::SetValueAsBool( int WXUNUSED(row), int WXUNUSED(col),
bool WXUNUSED(value) )
{
}
void* wxGridTableBase::GetValueAsCustom( int WXUNUSED(row), int WXUNUSED(col),
const wxString& WXUNUSED(typeName) )
{
return NULL;
}
void wxGridTableBase::SetValueAsCustom( int WXUNUSED(row), int WXUNUSED(col),
const wxString& WXUNUSED(typeName),
void* WXUNUSED(value) )
{
}
//////////////////////////////////////////////////////////////////////
//
// Message class for the grid table to send requests and notifications
// to the grid view
//
wxGridTableMessage::wxGridTableMessage()
{
m_table = (wxGridTableBase *) NULL;
m_id = -1;
m_comInt1 = -1;
m_comInt2 = -1;
}
wxGridTableMessage::wxGridTableMessage( wxGridTableBase *table, int id,
int commandInt1, int commandInt2 )
{
m_table = table;
m_id = id;
m_comInt1 = commandInt1;
m_comInt2 = commandInt2;
}
//////////////////////////////////////////////////////////////////////
//
// A basic grid table for string data. An object of this class will
// created by wxGrid if you don't specify an alternative table class.
//
WX_DEFINE_OBJARRAY(wxGridStringArray)
IMPLEMENT_DYNAMIC_CLASS( wxGridStringTable, wxGridTableBase )
wxGridStringTable::wxGridStringTable()
: wxGridTableBase()
{
}
wxGridStringTable::wxGridStringTable( int numRows, int numCols )
: wxGridTableBase()
{
m_data.Alloc( numRows );
wxArrayString sa;
sa.Alloc( numCols );
sa.Add( wxEmptyString, numCols );
m_data.Add( sa, numRows );
}
wxGridStringTable::~wxGridStringTable()
{
}
int wxGridStringTable::GetNumberRows()
{
return m_data.GetCount();
}
int wxGridStringTable::GetNumberCols()
{
if ( m_data.GetCount() > 0 )
return m_data[0].GetCount();
else
return 0;
}
wxString wxGridStringTable::GetValue( int row, int col )
{
wxASSERT_MSG( (row < GetNumberRows()) && (col < GetNumberCols()),
_T("invalid row or column index in wxGridStringTable") );
return m_data[row][col];
}
void wxGridStringTable::SetValue( int row, int col, const wxString& value )
{
wxASSERT_MSG( (row < GetNumberRows()) && (col < GetNumberCols()),
_T("invalid row or column index in wxGridStringTable") );
m_data[row][col] = value;
}
bool wxGridStringTable::IsEmptyCell( int row, int col )
{
wxASSERT_MSG( (row < GetNumberRows()) && (col < GetNumberCols()),
_T("invalid row or column index in wxGridStringTable") );
return (m_data[row][col] == wxEmptyString);
}
void wxGridStringTable::Clear()
{
int row, col;
int numRows, numCols;
numRows = m_data.GetCount();
if ( numRows > 0 )
{
numCols = m_data[0].GetCount();
for ( row = 0; row < numRows; row++ )
{
for ( col = 0; col < numCols; col++ )
{
m_data[row][col] = wxEmptyString;
}
}
}
}
bool wxGridStringTable::InsertRows( size_t pos, size_t numRows )
{
size_t curNumRows = m_data.GetCount();
size_t curNumCols = ( curNumRows > 0 ? m_data[0].GetCount() :
( GetView() ? GetView()->GetNumberCols() : 0 ) );
if ( pos >= curNumRows )
{
return AppendRows( numRows );
}
wxArrayString sa;
sa.Alloc( curNumCols );
sa.Add( wxEmptyString, curNumCols );
m_data.Insert( sa, pos, numRows );
if ( GetView() )
{
wxGridTableMessage msg( this,
wxGRIDTABLE_NOTIFY_ROWS_INSERTED,
pos,
numRows );
GetView()->ProcessTableMessage( msg );
}
return TRUE;
}
bool wxGridStringTable::AppendRows( size_t numRows )
{
size_t curNumRows = m_data.GetCount();
size_t curNumCols = ( curNumRows > 0 ? m_data[0].GetCount() :
( GetView() ? GetView()->GetNumberCols() : 0 ) );
wxArrayString sa;
if ( curNumCols > 0 )
{
sa.Alloc( curNumCols );
sa.Add( wxEmptyString, curNumCols );
}
m_data.Add( sa, numRows );
if ( GetView() )
{
wxGridTableMessage msg( this,
wxGRIDTABLE_NOTIFY_ROWS_APPENDED,
numRows );
GetView()->ProcessTableMessage( msg );
}
return TRUE;
}
bool wxGridStringTable::DeleteRows( size_t pos, size_t numRows )
{
size_t curNumRows = m_data.GetCount();
if ( pos >= curNumRows )
{
wxFAIL_MSG( wxString::Format
(
wxT("Called wxGridStringTable::DeleteRows(pos=%lu, N=%lu)\nPos value is invalid for present table with %lu rows"),
(unsigned long)pos,
(unsigned long)numRows,
(unsigned long)curNumRows
) );
return FALSE;
}
if ( numRows > curNumRows - pos )
{
numRows = curNumRows - pos;
}
if ( numRows >= curNumRows )
{
m_data.Clear();
}
else
{
m_data.RemoveAt( pos, numRows );
}
if ( GetView() )
{
wxGridTableMessage msg( this,
wxGRIDTABLE_NOTIFY_ROWS_DELETED,
pos,
numRows );
GetView()->ProcessTableMessage( msg );
}
return TRUE;
}
bool wxGridStringTable::InsertCols( size_t pos, size_t numCols )
{
size_t row, col;
size_t curNumRows = m_data.GetCount();
size_t curNumCols = ( curNumRows > 0 ? m_data[0].GetCount() :
( GetView() ? GetView()->GetNumberCols() : 0 ) );
if ( pos >= curNumCols )
{
return AppendCols( numCols );
}
for ( row = 0; row < curNumRows; row++ )
{
for ( col = pos; col < pos + numCols; col++ )
{
m_data[row].Insert( wxEmptyString, col );
}
}
if ( GetView() )
{
wxGridTableMessage msg( this,
wxGRIDTABLE_NOTIFY_COLS_INSERTED,
pos,
numCols );
GetView()->ProcessTableMessage( msg );
}
return TRUE;
}
bool wxGridStringTable::AppendCols( size_t numCols )
{
size_t row;
size_t curNumRows = m_data.GetCount();
#if 0
if ( !curNumRows )
{
// TODO: something better than this ?
//
wxFAIL_MSG( wxT("Unable to append cols to a grid table with no rows.\nCall AppendRows() first") );
return FALSE;
}
#endif
for ( row = 0; row < curNumRows; row++ )
{
m_data[row].Add( wxEmptyString, numCols );
}
if ( GetView() )
{
wxGridTableMessage msg( this,
wxGRIDTABLE_NOTIFY_COLS_APPENDED,
numCols );
GetView()->ProcessTableMessage( msg );
}
return TRUE;
}
bool wxGridStringTable::DeleteCols( size_t pos, size_t numCols )
{
size_t row;
size_t curNumRows = m_data.GetCount();
size_t curNumCols = ( curNumRows > 0 ? m_data[0].GetCount() :
( GetView() ? GetView()->GetNumberCols() : 0 ) );
if ( pos >= curNumCols )
{
wxFAIL_MSG( wxString::Format
(
wxT("Called wxGridStringTable::DeleteCols(pos=%lu, N=%lu)\nPos value is invalid for present table with %lu cols"),
(unsigned long)pos,
(unsigned long)numCols,
(unsigned long)curNumCols
) );
return FALSE;
}
if ( numCols > curNumCols - pos )
{
numCols = curNumCols - pos;
}
for ( row = 0; row < curNumRows; row++ )
{
if ( numCols >= curNumCols )
{
m_data[row].Clear();
}
else
{
m_data[row].RemoveAt( pos, numCols );
}
}
if ( GetView() )
{
wxGridTableMessage msg( this,
wxGRIDTABLE_NOTIFY_COLS_DELETED,
pos,
numCols );
GetView()->ProcessTableMessage( msg );
}
return TRUE;
}
wxString wxGridStringTable::GetRowLabelValue( int row )
{
if ( row > (int)(m_rowLabels.GetCount()) - 1 )
{
// using default label
//
return wxGridTableBase::GetRowLabelValue( row );
}
else
{
return m_rowLabels[ row ];
}
}
wxString wxGridStringTable::GetColLabelValue( int col )
{
if ( col > (int)(m_colLabels.GetCount()) - 1 )
{
// using default label
//
return wxGridTableBase::GetColLabelValue( col );
}
else
{
return m_colLabels[ col ];
}
}
void wxGridStringTable::SetRowLabelValue( int row, const wxString& value )
{
if ( row > (int)(m_rowLabels.GetCount()) - 1 )
{
int n = m_rowLabels.GetCount();
int i;
for ( i = n; i <= row; i++ )
{
m_rowLabels.Add( wxGridTableBase::GetRowLabelValue(i) );
}
}
m_rowLabels[row] = value;
}
void wxGridStringTable::SetColLabelValue( int col, const wxString& value )
{
if ( col > (int)(m_colLabels.GetCount()) - 1 )
{
int n = m_colLabels.GetCount();
int i;
for ( i = n; i <= col; i++ )
{
m_colLabels.Add( wxGridTableBase::GetColLabelValue(i) );
}
}
m_colLabels[col] = value;
}
//////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////
IMPLEMENT_DYNAMIC_CLASS( wxGridRowLabelWindow, wxWindow )
BEGIN_EVENT_TABLE( wxGridRowLabelWindow, wxWindow )
EVT_PAINT( wxGridRowLabelWindow::OnPaint )
EVT_MOUSEWHEEL( wxGridRowLabelWindow::OnMouseWheel)
EVT_MOUSE_EVENTS( wxGridRowLabelWindow::OnMouseEvent )
EVT_KEY_DOWN( wxGridRowLabelWindow::OnKeyDown )
EVT_KEY_UP( wxGridRowLabelWindow::OnKeyUp )
END_EVENT_TABLE()
wxGridRowLabelWindow::wxGridRowLabelWindow( wxGrid *parent,
wxWindowID id,
const wxPoint &pos, const wxSize &size )
: wxWindow( parent, id, pos, size, wxWANTS_CHARS )
{
m_owner = parent;
}
void wxGridRowLabelWindow::OnPaint( wxPaintEvent& WXUNUSED(event) )
{
wxPaintDC dc(this);
// NO - don't do this because it will set both the x and y origin
// coords to match the parent scrolled window and we just want to
// set the y coord - MB
//
// m_owner->PrepareDC( dc );
int x, y;
m_owner->CalcUnscrolledPosition( 0, 0, &x, &y );
dc.SetDeviceOrigin( 0, -y );
wxArrayInt rows = m_owner->CalcRowLabelsExposed( GetUpdateRegion() );
m_owner->DrawRowLabels( dc , rows );
}
void wxGridRowLabelWindow::OnMouseEvent( wxMouseEvent& event )
{
m_owner->ProcessRowLabelMouseEvent( event );
}
void wxGridRowLabelWindow::OnMouseWheel( wxMouseEvent& event )
{
m_owner->GetEventHandler()->ProcessEvent(event);
}
// This seems to be required for wxMotif otherwise the mouse
// cursor must be in the cell edit control to get key events
//
void wxGridRowLabelWindow::OnKeyDown( wxKeyEvent& event )
{
if ( !m_owner->GetEventHandler()->ProcessEvent( event ) ) event.Skip();
}
void wxGridRowLabelWindow::OnKeyUp( wxKeyEvent& event )
{
if ( !m_owner->GetEventHandler()->ProcessEvent( event ) ) event.Skip();
}
//////////////////////////////////////////////////////////////////////
IMPLEMENT_DYNAMIC_CLASS( wxGridColLabelWindow, wxWindow )
BEGIN_EVENT_TABLE( wxGridColLabelWindow, wxWindow )
EVT_PAINT( wxGridColLabelWindow::OnPaint )
EVT_MOUSEWHEEL( wxGridColLabelWindow::OnMouseWheel)
EVT_MOUSE_EVENTS( wxGridColLabelWindow::OnMouseEvent )
EVT_KEY_DOWN( wxGridColLabelWindow::OnKeyDown )
EVT_KEY_UP( wxGridColLabelWindow::OnKeyUp )
END_EVENT_TABLE()
wxGridColLabelWindow::wxGridColLabelWindow( wxGrid *parent,
wxWindowID id,
const wxPoint &pos, const wxSize &size )
: wxWindow( parent, id, pos, size, wxWANTS_CHARS )
{
m_owner = parent;
}
void wxGridColLabelWindow::OnPaint( wxPaintEvent& WXUNUSED(event) )
{
wxPaintDC dc(this);
// NO - don't do this because it will set both the x and y origin
// coords to match the parent scrolled window and we just want to
// set the x coord - MB
//
// m_owner->PrepareDC( dc );
int x, y;
m_owner->CalcUnscrolledPosition( 0, 0, &x, &y );
dc.SetDeviceOrigin( -x, 0 );
wxArrayInt cols = m_owner->CalcColLabelsExposed( GetUpdateRegion() );
m_owner->DrawColLabels( dc , cols );
}
void wxGridColLabelWindow::OnMouseEvent( wxMouseEvent& event )
{
m_owner->ProcessColLabelMouseEvent( event );
}
void wxGridColLabelWindow::OnMouseWheel( wxMouseEvent& event )
{
m_owner->GetEventHandler()->ProcessEvent(event);
}
// This seems to be required for wxMotif otherwise the mouse
// cursor must be in the cell edit control to get key events
//
void wxGridColLabelWindow::OnKeyDown( wxKeyEvent& event )
{
if ( !m_owner->GetEventHandler()->ProcessEvent( event ) ) event.Skip();
}
void wxGridColLabelWindow::OnKeyUp( wxKeyEvent& event )
{
if ( !m_owner->GetEventHandler()->ProcessEvent( event ) ) event.Skip();
}
//////////////////////////////////////////////////////////////////////
IMPLEMENT_DYNAMIC_CLASS( wxGridCornerLabelWindow, wxWindow )
BEGIN_EVENT_TABLE( wxGridCornerLabelWindow, wxWindow )
EVT_MOUSEWHEEL( wxGridCornerLabelWindow::OnMouseWheel)
EVT_MOUSE_EVENTS( wxGridCornerLabelWindow::OnMouseEvent )
EVT_PAINT( wxGridCornerLabelWindow::OnPaint)
EVT_KEY_DOWN( wxGridCornerLabelWindow::OnKeyDown )
EVT_KEY_UP( wxGridCornerLabelWindow::OnKeyUp )
END_EVENT_TABLE()
wxGridCornerLabelWindow::wxGridCornerLabelWindow( wxGrid *parent,
wxWindowID id,
const wxPoint &pos, const wxSize &size )
: wxWindow( parent, id, pos, size, wxWANTS_CHARS )
{
m_owner = parent;
}
void wxGridCornerLabelWindow::OnPaint( wxPaintEvent& WXUNUSED(event) )
{
wxPaintDC dc(this);
int client_height = 0;
int client_width = 0;
GetClientSize( &client_width, &client_height );
dc.SetPen( *wxBLACK_PEN );
dc.DrawLine( client_width-1, client_height-1, client_width-1, 0 );
dc.DrawLine( client_width-1, client_height-1, 0, client_height-1 );
dc.SetPen( *wxWHITE_PEN );
dc.DrawLine( 0, 0, client_width, 0 );
dc.DrawLine( 0, 0, 0, client_height );
}
void wxGridCornerLabelWindow::OnMouseEvent( wxMouseEvent& event )
{
m_owner->ProcessCornerLabelMouseEvent( event );
}
void wxGridCornerLabelWindow::OnMouseWheel( wxMouseEvent& event )
{
m_owner->GetEventHandler()->ProcessEvent(event);
}
// This seems to be required for wxMotif otherwise the mouse
// cursor must be in the cell edit control to get key events
//
void wxGridCornerLabelWindow::OnKeyDown( wxKeyEvent& event )
{
if ( !m_owner->GetEventHandler()->ProcessEvent( event ) ) event.Skip();
}
void wxGridCornerLabelWindow::OnKeyUp( wxKeyEvent& event )
{
if ( !m_owner->GetEventHandler()->ProcessEvent( event ) ) event.Skip();
}
//////////////////////////////////////////////////////////////////////
IMPLEMENT_DYNAMIC_CLASS( wxGridWindow, wxWindow )
BEGIN_EVENT_TABLE( wxGridWindow, wxWindow )
EVT_PAINT( wxGridWindow::OnPaint )
EVT_MOUSEWHEEL( wxGridWindow::OnMouseWheel)
EVT_MOUSE_EVENTS( wxGridWindow::OnMouseEvent )
EVT_KEY_DOWN( wxGridWindow::OnKeyDown )
EVT_KEY_UP( wxGridWindow::OnKeyUp )
EVT_ERASE_BACKGROUND( wxGridWindow::OnEraseBackground )
END_EVENT_TABLE()
wxGridWindow::wxGridWindow( wxGrid *parent,
wxGridRowLabelWindow *rowLblWin,
wxGridColLabelWindow *colLblWin,
wxWindowID id, const wxPoint &pos, const wxSize &size )
: wxWindow( parent, id, pos, size, wxWANTS_CHARS, wxT("grid window") )
{
m_owner = parent;
m_rowLabelWin = rowLblWin;
m_colLabelWin = colLblWin;
SetBackgroundColour(_T("WHITE"));
}
wxGridWindow::~wxGridWindow()
{
}
void wxGridWindow::OnPaint( wxPaintEvent &WXUNUSED(event) )
{
wxPaintDC dc( this );
m_owner->PrepareDC( dc );
wxRegion reg = GetUpdateRegion();
wxGridCellCoordsArray DirtyCells = m_owner->CalcCellsExposed( reg );
m_owner->DrawGridCellArea( dc , DirtyCells);
#if WXGRID_DRAW_LINES
m_owner->DrawAllGridLines( dc, reg );
#endif
m_owner->DrawGridSpace( dc );
m_owner->DrawHighlight( dc , DirtyCells );
}
void wxGridWindow::ScrollWindow( int dx, int dy, const wxRect *rect )
{
wxWindow::ScrollWindow( dx, dy, rect );
m_rowLabelWin->ScrollWindow( 0, dy, rect );
m_colLabelWin->ScrollWindow( dx, 0, rect );
}
void wxGridWindow::OnMouseEvent( wxMouseEvent& event )
{
m_owner->ProcessGridCellMouseEvent( event );
}
void wxGridWindow::OnMouseWheel( wxMouseEvent& event )
{
m_owner->GetEventHandler()->ProcessEvent(event);
}
// This seems to be required for wxMotif/wxGTK otherwise the mouse
// cursor must be in the cell edit control to get key events
//
void wxGridWindow::OnKeyDown( wxKeyEvent& event )
{
if ( !m_owner->GetEventHandler()->ProcessEvent( event ) ) event.Skip();
}
void wxGridWindow::OnKeyUp( wxKeyEvent& event )
{
if ( !m_owner->GetEventHandler()->ProcessEvent( event ) ) event.Skip();
}
void wxGridWindow::OnEraseBackground( wxEraseEvent& WXUNUSED(event) )
{
}
//////////////////////////////////////////////////////////////////////
// Internal Helper function for computing row or column from some
// (unscrolled) coordinate value, using either
// m_defaultRowHeight/m_defaultColWidth or binary search on array
// of m_rowBottoms/m_ColRights to speed up the search!
// Internal helper macros for simpler use of that function
static int CoordToRowOrCol(int coord, int defaultDist, int minDist,
const wxArrayInt& BorderArray, int nMax,
bool maxOnOverflow);
#define internalXToCol(x) CoordToRowOrCol(x, m_defaultColWidth, \
WXGRID_MIN_COL_WIDTH, \
m_colRights, m_numCols, TRUE)
#define internalYToRow(y) CoordToRowOrCol(y, m_defaultRowHeight, \
WXGRID_MIN_ROW_HEIGHT, \
m_rowBottoms, m_numRows, TRUE)
/////////////////////////////////////////////////////////////////////
IMPLEMENT_DYNAMIC_CLASS( wxGrid, wxScrolledWindow )
BEGIN_EVENT_TABLE( wxGrid, wxScrolledWindow )
EVT_PAINT( wxGrid::OnPaint )
EVT_SIZE( wxGrid::OnSize )
EVT_KEY_DOWN( wxGrid::OnKeyDown )
EVT_KEY_UP( wxGrid::OnKeyUp )
EVT_ERASE_BACKGROUND( wxGrid::OnEraseBackground )
END_EVENT_TABLE()
wxGrid::wxGrid( wxWindow *parent,
wxWindowID id,
const wxPoint& pos,
const wxSize& size,
long style,
const wxString& name )
: wxScrolledWindow( parent, id, pos, size, (style | wxWANTS_CHARS), name ),
m_colMinWidths(GRID_HASH_SIZE),
m_rowMinHeights(GRID_HASH_SIZE)
{
Create();
}
wxGrid::~wxGrid()
{
// Must do this or ~wxScrollHelper will pop the wrong event handler
SetTargetWindow(this);
ClearAttrCache();
wxSafeDecRef(m_defaultCellAttr);
#ifdef DEBUG_ATTR_CACHE
size_t total = gs_nAttrCacheHits + gs_nAttrCacheMisses;
wxPrintf(_T("wxGrid attribute cache statistics: "
"total: %u, hits: %u (%u%%)\n"),
total, gs_nAttrCacheHits,
total ? (gs_nAttrCacheHits*100) / total : 0);
#endif
if (m_ownTable)
delete m_table;
delete m_typeRegistry;
delete m_selection;
}
//
// ----- internal init and update functions
//
void wxGrid::Create()
{
m_created = FALSE; // set to TRUE by CreateGrid
m_table = (wxGridTableBase *) NULL;
m_ownTable = FALSE;
m_cellEditCtrlEnabled = FALSE;
m_defaultCellAttr = new wxGridCellAttr();
// Set default cell attributes
m_defaultCellAttr->SetDefAttr(m_defaultCellAttr);
m_defaultCellAttr->SetKind(wxGridCellAttr::Default);
m_defaultCellAttr->SetFont(GetFont());
m_defaultCellAttr->SetAlignment(wxALIGN_LEFT, wxALIGN_TOP);
m_defaultCellAttr->SetTextColour(
wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOWTEXT));
m_defaultCellAttr->SetBackgroundColour(
wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW));
m_defaultCellAttr->SetRenderer(new wxGridCellStringRenderer);
m_defaultCellAttr->SetEditor(new wxGridCellTextEditor);
m_numRows = 0;
m_numCols = 0;
m_currentCellCoords = wxGridNoCellCoords;
m_rowLabelWidth = WXGRID_DEFAULT_ROW_LABEL_WIDTH;
m_colLabelHeight = WXGRID_DEFAULT_COL_LABEL_HEIGHT;
// create the type registry
m_typeRegistry = new wxGridTypeRegistry;
m_selection = NULL;
// subwindow components that make up the wxGrid
m_cornerLabelWin = new wxGridCornerLabelWindow( this,
-1,
wxDefaultPosition,
wxDefaultSize );
m_rowLabelWin = new wxGridRowLabelWindow( this,
-1,
wxDefaultPosition,
wxDefaultSize );
m_colLabelWin = new wxGridColLabelWindow( this,
-1,
wxDefaultPosition,
wxDefaultSize );
m_gridWin = new wxGridWindow( this,
m_rowLabelWin,
m_colLabelWin,
-1,
wxDefaultPosition,
wxDefaultSize );
SetTargetWindow( m_gridWin );
Init();
}
bool wxGrid::CreateGrid( int numRows, int numCols,
wxGrid::wxGridSelectionModes selmode )
{
wxCHECK_MSG( !m_created,
FALSE,
wxT("wxGrid::CreateGrid or wxGrid::SetTable called more than once") );
m_numRows = numRows;
m_numCols = numCols;
m_table = new wxGridStringTable( m_numRows, m_numCols );
m_table->SetView( this );
m_ownTable = TRUE;
m_selection = new wxGridSelection( this, selmode );
CalcDimensions();
m_created = TRUE;
return m_created;
}
void wxGrid::SetSelectionMode(wxGrid::wxGridSelectionModes selmode)
{
wxCHECK_RET( m_created,
wxT("Called wxGrid::SetSelectionMode() before calling CreateGrid()") );
m_selection->SetSelectionMode( selmode );
}
wxGrid::wxGridSelectionModes wxGrid::GetSelectionMode() const
{
wxCHECK_MSG( m_created, wxGrid::wxGridSelectCells,
wxT("Called wxGrid::GetSelectionMode() before calling CreateGrid()") );
return m_selection->GetSelectionMode();
}
bool wxGrid::SetTable( wxGridTableBase *table, bool takeOwnership,
wxGrid::wxGridSelectionModes selmode )
{
if ( m_created )
{
// RD: Actually, this should probably be allowed. I think it would be
// nice to be able to switch multiple Tables in and out of a single
// View at runtime. Is there anything in the implementation that
// would prevent this?
// At least, you now have to cope with m_selection
wxFAIL_MSG( wxT("wxGrid::CreateGrid or wxGrid::SetTable called more than once") );
return FALSE;
}
else
{
m_numRows = table->GetNumberRows();
m_numCols = table->GetNumberCols();
m_table = table;
m_table->SetView( this );
if (takeOwnership)
m_ownTable = TRUE;
m_selection = new wxGridSelection( this, selmode );
CalcDimensions();
m_created = TRUE;
}
return m_created;
}
void wxGrid::Init()
{
m_rowLabelWidth = WXGRID_DEFAULT_ROW_LABEL_WIDTH;
m_colLabelHeight = WXGRID_DEFAULT_COL_LABEL_HEIGHT;
if ( m_rowLabelWin )
{
m_labelBackgroundColour = m_rowLabelWin->GetBackgroundColour();
}
else
{
m_labelBackgroundColour = wxColour( _T("WHITE") );
}
m_labelTextColour = wxColour( _T("BLACK") );
// init attr cache
m_attrCache.row = -1;
m_attrCache.col = -1;
m_attrCache.attr = NULL;
// TODO: something better than this ?
//
m_labelFont = this->GetFont();
m_labelFont.SetWeight( wxBOLD );
m_rowLabelHorizAlign = wxALIGN_LEFT;
m_rowLabelVertAlign = wxALIGN_CENTRE;
m_colLabelHorizAlign = wxALIGN_CENTRE;
m_colLabelVertAlign = wxALIGN_TOP;
m_defaultColWidth = WXGRID_DEFAULT_COL_WIDTH;
m_defaultRowHeight = m_gridWin->GetCharHeight();
#if defined(__WXMOTIF__) || defined(__WXGTK__) // see also text ctrl sizing in ShowCellEditControl()
m_defaultRowHeight += 8;
#else
m_defaultRowHeight += 4;
#endif
m_gridLineColour = wxColour( 128, 128, 255 );
m_gridLinesEnabled = TRUE;
m_cellHighlightColour = m_gridLineColour;
m_cellHighlightPenWidth = 2;
m_cellHighlightROPenWidth = 1;
m_cursorMode = WXGRID_CURSOR_SELECT_CELL;
m_winCapture = (wxWindow *)NULL;
m_canDragRowSize = TRUE;
m_canDragColSize = TRUE;
m_canDragGridSize = TRUE;
m_dragLastPos = -1;
m_dragRowOrCol = -1;
m_isDragging = FALSE;
m_startDragPos = wxDefaultPosition;
m_waitForSlowClick = FALSE;
m_rowResizeCursor = wxCursor( wxCURSOR_SIZENS );
m_colResizeCursor = wxCursor( wxCURSOR_SIZEWE );
m_currentCellCoords = wxGridNoCellCoords;
m_selectingTopLeft = wxGridNoCellCoords;
m_selectingBottomRight = wxGridNoCellCoords;
m_selectionBackground = wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHT);
m_selectionForeground = wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHTTEXT);
m_editable = TRUE; // default for whole grid
m_inOnKeyDown = FALSE;
m_batchCount = 0;
m_extraWidth =
m_extraHeight = 0;
}
// ----------------------------------------------------------------------------
// the idea is to call these functions only when necessary because they create
// quite big arrays which eat memory mostly unnecessary - in particular, if
// default widths/heights are used for all rows/columns, we may not use these
// arrays at all
//
// with some extra code, it should be possible to only store the
// widths/heights different from default ones but this will be done later...
// ----------------------------------------------------------------------------
void wxGrid::InitRowHeights()
{
m_rowHeights.Empty();
m_rowBottoms.Empty();
m_rowHeights.Alloc( m_numRows );
m_rowBottoms.Alloc( m_numRows );
int rowBottom = 0;
m_rowHeights.Add( m_defaultRowHeight, m_numRows );
for ( int i = 0; i < m_numRows; i++ )
{
rowBottom += m_defaultRowHeight;
m_rowBottoms.Add( rowBottom );
}
}
void wxGrid::InitColWidths()
{
m_colWidths.Empty();
m_colRights.Empty();
m_colWidths.Alloc( m_numCols );
m_colRights.Alloc( m_numCols );
int colRight = 0;
m_colWidths.Add( m_defaultColWidth, m_numCols );
for ( int i = 0; i < m_numCols; i++ )
{
colRight += m_defaultColWidth;
m_colRights.Add( colRight );
}
}
int wxGrid::GetColWidth(int col) const
{
return m_colWidths.IsEmpty() ? m_defaultColWidth : m_colWidths[col];
}
int wxGrid::GetColLeft(int col) const
{
return m_colRights.IsEmpty() ? col * m_defaultColWidth
: m_colRights[col] - m_colWidths[col];
}
int wxGrid::GetColRight(int col) const
{
return m_colRights.IsEmpty() ? (col + 1) * m_defaultColWidth
: m_colRights[col];
}
int wxGrid::GetRowHeight(int row) const
{
return m_rowHeights.IsEmpty() ? m_defaultRowHeight : m_rowHeights[row];
}
int wxGrid::GetRowTop(int row) const
{
return m_rowBottoms.IsEmpty() ? row * m_defaultRowHeight
: m_rowBottoms[row] - m_rowHeights[row];
}
int wxGrid::GetRowBottom(int row) const
{
return m_rowBottoms.IsEmpty() ? (row + 1) * m_defaultRowHeight
: m_rowBottoms[row];
}
void wxGrid::CalcDimensions()
{
int cw, ch;
GetClientSize( &cw, &ch );
if ( m_rowLabelWin->IsShown() )
cw -= m_rowLabelWidth;
if ( m_colLabelWin->IsShown() )
ch -= m_colLabelHeight;
// grid total size
int w = m_numCols > 0 ? GetColRight(m_numCols - 1) + m_extraWidth + 1 : 0;
int h = m_numRows > 0 ? GetRowBottom(m_numRows - 1) + m_extraHeight + 1 : 0;
// take into account editor if shown
if( IsCellEditControlShown() )
{
int w2, h2;
int r = m_currentCellCoords.GetRow();
int c = m_currentCellCoords.GetCol();
int x = GetColLeft(c);
int y = GetRowTop(r);
// how big is the editor
wxGridCellAttr* attr = GetCellAttr(r, c);
wxGridCellEditor* editor = attr->GetEditor(this, r, c);
editor->GetControl()->GetSize(&w2, &h2);
w2 += x;
h2 += y;
if( w2 > w ) w = w2;
if( h2 > h ) h = h2;
editor->DecRef();
attr->DecRef();
}
// preserve (more or less) the previous position
int x, y;
GetViewStart( &x, &y );
// maybe we don't need scrollbars at all?
//
// also adjust the position to be valid for the new scroll rangs
if ( w <= cw )
{
w = x = 0;
}
else
{
if ( x >= w )
x = w - 1;
}
if ( h <= ch )
{
h = y = 0;
}
else
{
if ( y >= h )
y = h - 1;
}
// do set scrollbar parameters
SetScrollbars( GRID_SCROLL_LINE_X, GRID_SCROLL_LINE_Y,
GetScrollX(w), GetScrollY(h), x, y,
GetBatchCount() != 0);
// if our OnSize() hadn't been called (it would if we have scrollbars), we
// still must reposition the children
CalcWindowSizes();
}
void wxGrid::CalcWindowSizes()
{
int cw, ch;
GetClientSize( &cw, &ch );
if ( m_cornerLabelWin->IsShown() )
m_cornerLabelWin->SetSize( 0, 0, m_rowLabelWidth, m_colLabelHeight );
if ( m_colLabelWin->IsShown() )
m_colLabelWin->SetSize( m_rowLabelWidth, 0, cw-m_rowLabelWidth, m_colLabelHeight);
if ( m_rowLabelWin->IsShown() )
m_rowLabelWin->SetSize( 0, m_colLabelHeight, m_rowLabelWidth, ch-m_colLabelHeight);
if ( m_gridWin->IsShown() )
m_gridWin->SetSize( m_rowLabelWidth, m_colLabelHeight, cw-m_rowLabelWidth, ch-m_colLabelHeight);
}
// this is called when the grid table sends a message to say that it
// has been redimensioned
//
bool wxGrid::Redimension( wxGridTableMessage& msg )
{
int i;
bool result = FALSE;
// Clear the attribute cache as the attribute might refer to a different
// cell than stored in the cache after adding/removing rows/columns.
ClearAttrCache();
// By the same reasoning, the editor should be dismissed if columns are
// added or removed. And for consistency, it should IMHO always be
// removed, not only if the cell "underneath" it actually changes.
// For now, I intentionally do not save the editor's content as the
// cell it might want to save that stuff to might no longer exist.
HideCellEditControl();
#if 0
// if we were using the default widths/heights so far, we must change them
// now
if ( m_colWidths.IsEmpty() )
{
InitColWidths();
}
if ( m_rowHeights.IsEmpty() )
{
InitRowHeights();
}
#endif
switch ( msg.GetId() )
{
case wxGRIDTABLE_NOTIFY_ROWS_INSERTED:
{
size_t pos = msg.GetCommandInt();
int numRows = msg.GetCommandInt2();
m_numRows += numRows;
if ( !m_rowHeights.IsEmpty() )
{
m_rowHeights.Insert( m_defaultRowHeight, pos, numRows );
m_rowBottoms.Insert( 0, pos, numRows );
int bottom = 0;
if ( pos > 0 ) bottom = m_rowBottoms[pos-1];
for ( i = pos; i < m_numRows; i++ )
{
bottom += m_rowHeights[i];
m_rowBottoms[i] = bottom;
}
}
if ( m_currentCellCoords == wxGridNoCellCoords )
{
// if we have just inserted cols into an empty grid the current
// cell will be undefined...
//
SetCurrentCell( 0, 0 );
}
if ( m_selection )
m_selection->UpdateRows( pos, numRows );
wxGridCellAttrProvider * attrProvider = m_table->GetAttrProvider();
if (attrProvider)
attrProvider->UpdateAttrRows( pos, numRows );
if ( !GetBatchCount() )
{
CalcDimensions();
m_rowLabelWin->Refresh();
}
}
result = TRUE;
break;
case wxGRIDTABLE_NOTIFY_ROWS_APPENDED:
{
int numRows = msg.GetCommandInt();
int oldNumRows = m_numRows;
m_numRows += numRows;
if ( !m_rowHeights.IsEmpty() )
{
m_rowHeights.Add( m_defaultRowHeight, numRows );
m_rowBottoms.Add( 0, numRows );
int bottom = 0;
if ( oldNumRows > 0 ) bottom = m_rowBottoms[oldNumRows-1];
for ( i = oldNumRows; i < m_numRows; i++ )
{
bottom += m_rowHeights[i];
m_rowBottoms[i] = bottom;
}
}
if ( m_currentCellCoords == wxGridNoCellCoords )
{
// if we have just inserted cols into an empty grid the current
// cell will be undefined...
//
SetCurrentCell( 0, 0 );
}
if ( !GetBatchCount() )
{
CalcDimensions();
m_rowLabelWin->Refresh();
}
}
result = TRUE;
break;
case wxGRIDTABLE_NOTIFY_ROWS_DELETED:
{
size_t pos = msg.GetCommandInt();
int numRows = msg.GetCommandInt2();
m_numRows -= numRows;
if ( !m_rowHeights.IsEmpty() )
{
m_rowHeights.RemoveAt( pos, numRows );
m_rowBottoms.RemoveAt( pos, numRows );
int h = 0;
for ( i = 0; i < m_numRows; i++ )
{
h += m_rowHeights[i];
m_rowBottoms[i] = h;
}
}
if ( !m_numRows )
{
m_currentCellCoords = wxGridNoCellCoords;
}
else
{
if ( m_currentCellCoords.GetRow() >= m_numRows )
m_currentCellCoords.Set( 0, 0 );
}
if ( m_selection )
m_selection->UpdateRows( pos, -((int)numRows) );
wxGridCellAttrProvider * attrProvider = m_table->GetAttrProvider();
if (attrProvider) {
attrProvider->UpdateAttrRows( pos, -((int)numRows) );
// ifdef'd out following patch from Paul Gammans
#if 0
// No need to touch column attributes, unless we
// removed _all_ rows, in this case, we remove
// all column attributes.
// I hate to do this here, but the
// needed data is not available inside UpdateAttrRows.
if ( !GetNumberRows() )
attrProvider->UpdateAttrCols( 0, -GetNumberCols() );
#endif
}
if ( !GetBatchCount() )
{
CalcDimensions();
m_rowLabelWin->Refresh();
}
}
result = TRUE;
break;
case wxGRIDTABLE_NOTIFY_COLS_INSERTED:
{
size_t pos = msg.GetCommandInt();
int numCols = msg.GetCommandInt2();
m_numCols += numCols;
if ( !m_colWidths.IsEmpty() )
{
m_colWidths.Insert( m_defaultColWidth, pos, numCols );
m_colRights.Insert( 0, pos, numCols );
int right = 0;
if ( pos > 0 ) right = m_colRights[pos-1];
for ( i = pos; i < m_numCols; i++ )
{
right += m_colWidths[i];
m_colRights[i] = right;
}
}
if ( m_currentCellCoords == wxGridNoCellCoords )
{
// if we have just inserted cols into an empty grid the current
// cell will be undefined...
//
SetCurrentCell( 0, 0 );
}
if ( m_selection )
m_selection->UpdateCols( pos, numCols );
wxGridCellAttrProvider * attrProvider = m_table->GetAttrProvider();
if (attrProvider)
attrProvider->UpdateAttrCols( pos, numCols );
if ( !GetBatchCount() )
{
CalcDimensions();
m_colLabelWin->Refresh();
}
}
result = TRUE;
break;
case wxGRIDTABLE_NOTIFY_COLS_APPENDED:
{
int numCols = msg.GetCommandInt();
int oldNumCols = m_numCols;
m_numCols += numCols;
if ( !m_colWidths.IsEmpty() )
{
m_colWidths.Add( m_defaultColWidth, numCols );
m_colRights.Add( 0, numCols );
int right = 0;
if ( oldNumCols > 0 ) right = m_colRights[oldNumCols-1];
for ( i = oldNumCols; i < m_numCols; i++ )
{
right += m_colWidths[i];
m_colRights[i] = right;
}
}
if ( m_currentCellCoords == wxGridNoCellCoords )
{
// if we have just inserted cols into an empty grid the current
// cell will be undefined...
//
SetCurrentCell( 0, 0 );
}
if ( !GetBatchCount() )
{
CalcDimensions();
m_colLabelWin->Refresh();
}
}
result = TRUE;
break;
case wxGRIDTABLE_NOTIFY_COLS_DELETED:
{
size_t pos = msg.GetCommandInt();
int numCols = msg.GetCommandInt2();
m_numCols -= numCols;
if ( !m_colWidths.IsEmpty() )
{
m_colWidths.RemoveAt( pos, numCols );
m_colRights.RemoveAt( pos, numCols );
int w = 0;
for ( i = 0; i < m_numCols; i++ )
{
w += m_colWidths[i];
m_colRights[i] = w;
}
}
if ( !m_numCols )
{
m_currentCellCoords = wxGridNoCellCoords;
}
else
{
if ( m_currentCellCoords.GetCol() >= m_numCols )
m_currentCellCoords.Set( 0, 0 );
}
if ( m_selection )
m_selection->UpdateCols( pos, -((int)numCols) );
wxGridCellAttrProvider * attrProvider = m_table->GetAttrProvider();
if (attrProvider) {
attrProvider->UpdateAttrCols( pos, -((int)numCols) );
// ifdef'd out following patch from Paul Gammans
#if 0
// No need to touch row attributes, unless we
// removed _all_ columns, in this case, we remove
// all row attributes.
// I hate to do this here, but the
// needed data is not available inside UpdateAttrCols.
if ( !GetNumberCols() )
attrProvider->UpdateAttrRows( 0, -GetNumberRows() );
#endif
}
if ( !GetBatchCount() )
{
CalcDimensions();
m_colLabelWin->Refresh();
}
}
result = TRUE;
break;
}
if (result && !GetBatchCount() )
m_gridWin->Refresh();
return result;
}
wxArrayInt wxGrid::CalcRowLabelsExposed( const wxRegion& reg )
{
wxRegionIterator iter( reg );
wxRect r;
wxArrayInt rowlabels;
int top, bottom;
while ( iter )
{
r = iter.GetRect();
// TODO: remove this when we can...
// There is a bug in wxMotif that gives garbage update
// rectangles if you jump-scroll a long way by clicking the
// scrollbar with middle button. This is a work-around
//
#if defined(__WXMOTIF__)
int cw, ch;
m_gridWin->GetClientSize( &cw, &ch );
if ( r.GetTop() > ch ) r.SetTop( 0 );
r.SetBottom( wxMin( r.GetBottom(), ch ) );
#endif
// logical bounds of update region
//
int dummy;
CalcUnscrolledPosition( 0, r.GetTop(), &dummy, &top );
CalcUnscrolledPosition( 0, r.GetBottom(), &dummy, &bottom );
// find the row labels within these bounds
//
int row;
for ( row = internalYToRow(top); row < m_numRows; row++ )
{
if ( GetRowBottom(row) < top )
continue;
if ( GetRowTop(row) > bottom )
break;
rowlabels.Add( row );
}
iter++ ;
}
return rowlabels;
}
wxArrayInt wxGrid::CalcColLabelsExposed( const wxRegion& reg )
{
wxRegionIterator iter( reg );
wxRect r;
wxArrayInt colLabels;
int left, right;
while ( iter )
{
r = iter.GetRect();
// TODO: remove this when we can...
// There is a bug in wxMotif that gives garbage update
// rectangles if you jump-scroll a long way by clicking the
// scrollbar with middle button. This is a work-around
//
#if defined(__WXMOTIF__)
int cw, ch;
m_gridWin->GetClientSize( &cw, &ch );
if ( r.GetLeft() > cw ) r.SetLeft( 0 );
r.SetRight( wxMin( r.GetRight(), cw ) );
#endif
// logical bounds of update region
//
int dummy;
CalcUnscrolledPosition( r.GetLeft(), 0, &left, &dummy );
CalcUnscrolledPosition( r.GetRight(), 0, &right, &dummy );
// find the cells within these bounds
//
int col;
for ( col = internalXToCol(left); col < m_numCols; col++ )
{
if ( GetColRight(col) < left )
continue;
if ( GetColLeft(col) > right )
break;
colLabels.Add( col );
}
iter++ ;
}
return colLabels;
}
wxGridCellCoordsArray wxGrid::CalcCellsExposed( const wxRegion& reg )
{
wxRegionIterator iter( reg );
wxRect r;
wxGridCellCoordsArray cellsExposed;
int left, top, right, bottom;
while ( iter )
{
r = iter.GetRect();
// TODO: remove this when we can...
// There is a bug in wxMotif that gives garbage update
// rectangles if you jump-scroll a long way by clicking the
// scrollbar with middle button. This is a work-around
//
#if defined(__WXMOTIF__)
int cw, ch;
m_gridWin->GetClientSize( &cw, &ch );
if ( r.GetTop() > ch ) r.SetTop( 0 );
if ( r.GetLeft() > cw ) r.SetLeft( 0 );
r.SetRight( wxMin( r.GetRight(), cw ) );
r.SetBottom( wxMin( r.GetBottom(), ch ) );
#endif
// logical bounds of update region
//
CalcUnscrolledPosition( r.GetLeft(), r.GetTop(), &left, &top );
CalcUnscrolledPosition( r.GetRight(), r.GetBottom(), &right, &bottom );
// find the cells within these bounds
//
int row, col;
for ( row = internalYToRow(top); row < m_numRows; row++ )
{
if ( GetRowBottom(row) <= top )
continue;
if ( GetRowTop(row) > bottom )
break;
for ( col = internalXToCol(left); col < m_numCols; col++ )
{
if ( GetColRight(col) <= left )
continue;
if ( GetColLeft(col) > right )
break;
cellsExposed.Add( wxGridCellCoords( row, col ) );
}
}
iter++;
}
return cellsExposed;
}
void wxGrid::ProcessRowLabelMouseEvent( wxMouseEvent& event )
{
int x, y, row;
wxPoint pos( event.GetPosition() );
CalcUnscrolledPosition( pos.x, pos.y, &x, &y );
if ( event.Dragging() )
{
if (!m_isDragging)
{
m_isDragging = TRUE;
m_rowLabelWin->CaptureMouse();
}
if ( event.LeftIsDown() )
{
switch( m_cursorMode )
{
case WXGRID_CURSOR_RESIZE_ROW:
{
int cw, ch, left, dummy;
m_gridWin->GetClientSize( &cw, &ch );
CalcUnscrolledPosition( 0, 0, &left, &dummy );
wxClientDC dc( m_gridWin );
PrepareDC( dc );
y = wxMax( y,
GetRowTop(m_dragRowOrCol) +
GetRowMinimalHeight(m_dragRowOrCol) );
dc.SetLogicalFunction(wxINVERT);
if ( m_dragLastPos >= 0 )
{
dc.DrawLine( left, m_dragLastPos, left+cw, m_dragLastPos );
}
dc.DrawLine( left, y, left+cw, y );
m_dragLastPos = y;
}
break;
case WXGRID_CURSOR_SELECT_ROW:
if ( (row = YToRow( y )) >= 0 )
{
if ( m_selection )
{
m_selection->SelectRow( row,
event.ControlDown(),
event.ShiftDown(),
event.AltDown(),
event.MetaDown() );
}
}
// default label to suppress warnings about "enumeration value
// 'xxx' not handled in switch
default:
break;
}
}
return;
}
if ( m_isDragging && (event.Entering() || event.Leaving()) )
return;
if (m_isDragging)
{
if (m_rowLabelWin->HasCapture()) m_rowLabelWin->ReleaseMouse();
m_isDragging = FALSE;
}
// ------------ Entering or leaving the window
//
if ( event.Entering() || event.Leaving() )
{
ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL, m_rowLabelWin);
}
// ------------ Left button pressed
//
else if ( event.LeftDown() )
{
// don't send a label click event for a hit on the
// edge of the row label - this is probably the user
// wanting to resize the row
//
if ( YToEdgeOfRow(y) < 0 )
{
row = YToRow(y);
if ( row >= 0 &&
!SendEvent( wxEVT_GRID_LABEL_LEFT_CLICK, row, -1, event ) )
{
if ( !event.ShiftDown() && !event.ControlDown() )
ClearSelection();
if ( m_selection )
{
if ( event.ShiftDown() )
{
m_selection->SelectBlock( m_currentCellCoords.GetRow(),
0,
row,
GetNumberCols() - 1,
event.ControlDown(),
event.ShiftDown(),
event.AltDown(),
event.MetaDown() );
}
else
{
m_selection->SelectRow( row,
event.ControlDown(),
event.ShiftDown(),
event.AltDown(),
event.MetaDown() );
}
}
ChangeCursorMode(WXGRID_CURSOR_SELECT_ROW, m_rowLabelWin);
}
}
else
{
// starting to drag-resize a row
//
if ( CanDragRowSize() )
ChangeCursorMode(WXGRID_CURSOR_RESIZE_ROW, m_rowLabelWin);
}
}
// ------------ Left double click
//
else if (event.LeftDClick() )
{
if ( YToEdgeOfRow(y) < 0 )
{
row = YToRow(y);
SendEvent( wxEVT_GRID_LABEL_LEFT_DCLICK, row, -1, event );
}
}
// ------------ Left button released
//
else if ( event.LeftUp() )
{
if ( m_cursorMode == WXGRID_CURSOR_RESIZE_ROW )
{
DoEndDragResizeRow();
// Note: we are ending the event *after* doing
// default processing in this case
//
SendEvent( wxEVT_GRID_ROW_SIZE, m_dragRowOrCol, -1, event );
}
ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL, m_rowLabelWin);
m_dragLastPos = -1;
}
// ------------ Right button down
//
else if ( event.RightDown() )
{
row = YToRow(y);
if ( !SendEvent( wxEVT_GRID_LABEL_RIGHT_CLICK, row, -1, event ) )
{
// no default action at the moment
}
}
// ------------ Right double click
//
else if ( event.RightDClick() )
{
row = YToRow(y);
if ( !SendEvent( wxEVT_GRID_LABEL_RIGHT_DCLICK, row, -1, event ) )
{
// no default action at the moment
}
}
// ------------ No buttons down and mouse moving
//
else if ( event.Moving() )
{
m_dragRowOrCol = YToEdgeOfRow( y );
if ( m_dragRowOrCol >= 0 )
{
if ( m_cursorMode == WXGRID_CURSOR_SELECT_CELL )
{
// don't capture the mouse yet
if ( CanDragRowSize() )
ChangeCursorMode(WXGRID_CURSOR_RESIZE_ROW, m_rowLabelWin, FALSE);
}
}
else if ( m_cursorMode != WXGRID_CURSOR_SELECT_CELL )
{
ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL, m_rowLabelWin, FALSE);
}
}
}
void wxGrid::ProcessColLabelMouseEvent( wxMouseEvent& event )
{
int x, y, col;
wxPoint pos( event.GetPosition() );
CalcUnscrolledPosition( pos.x, pos.y, &x, &y );
if ( event.Dragging() )
{
if (!m_isDragging)
{
m_isDragging = TRUE;
m_colLabelWin->CaptureMouse();
}
if ( event.LeftIsDown() )
{
switch( m_cursorMode )
{
case WXGRID_CURSOR_RESIZE_COL:
{
int cw, ch, dummy, top;
m_gridWin->GetClientSize( &cw, &ch );
CalcUnscrolledPosition( 0, 0, &dummy, &top );
wxClientDC dc( m_gridWin );
PrepareDC( dc );
x = wxMax( x, GetColLeft(m_dragRowOrCol) +
GetColMinimalWidth(m_dragRowOrCol));
dc.SetLogicalFunction(wxINVERT);
if ( m_dragLastPos >= 0 )
{
dc.DrawLine( m_dragLastPos, top, m_dragLastPos, top+ch );
}
dc.DrawLine( x, top, x, top+ch );
m_dragLastPos = x;
}
break;
case WXGRID_CURSOR_SELECT_COL:
if ( (col = XToCol( x )) >= 0 )
{
if ( m_selection )
{
m_selection->SelectCol( col,
event.ControlDown(),
event.ShiftDown(),
event.AltDown(),
event.MetaDown() );
}
}
// default label to suppress warnings about "enumeration value
// 'xxx' not handled in switch
default:
break;
}
}
return;
}
if ( m_isDragging && (event.Entering() || event.Leaving()) )
return;
if (m_isDragging)
{
if (m_colLabelWin->HasCapture()) m_colLabelWin->ReleaseMouse();
m_isDragging = FALSE;
}
// ------------ Entering or leaving the window
//
if ( event.Entering() || event.Leaving() )
{
ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL, m_colLabelWin);
}
// ------------ Left button pressed
//
else if ( event.LeftDown() )
{
// don't send a label click event for a hit on the
// edge of the col label - this is probably the user
// wanting to resize the col
//
if ( XToEdgeOfCol(x) < 0 )
{
col = XToCol(x);
if ( col >= 0 &&
!SendEvent( wxEVT_GRID_LABEL_LEFT_CLICK, -1, col, event ) )
{
if ( !event.ShiftDown() && !event.ControlDown() )
ClearSelection();
if ( m_selection )
{
if ( event.ShiftDown() )
{
m_selection->SelectBlock( 0,
m_currentCellCoords.GetCol(),
GetNumberRows() - 1, col,
event.ControlDown(),
event.ShiftDown(),
event.AltDown(),
event.MetaDown() );
}
else
{
m_selection->SelectCol( col,
event.ControlDown(),
event.ShiftDown(),
event.AltDown(),
event.MetaDown() );
}
}
ChangeCursorMode(WXGRID_CURSOR_SELECT_COL, m_colLabelWin);
}
}
else
{
// starting to drag-resize a col
//
if ( CanDragColSize() )
ChangeCursorMode(WXGRID_CURSOR_RESIZE_COL, m_colLabelWin);
}
}
// ------------ Left double click
//
if ( event.LeftDClick() )
{
if ( XToEdgeOfCol(x) < 0 )
{
col = XToCol(x);
SendEvent( wxEVT_GRID_LABEL_LEFT_DCLICK, -1, col, event );
}
}
// ------------ Left button released
//
else if ( event.LeftUp() )
{
if ( m_cursorMode == WXGRID_CURSOR_RESIZE_COL )
{
DoEndDragResizeCol();
// Note: we are ending the event *after* doing
// default processing in this case
//
SendEvent( wxEVT_GRID_COL_SIZE, -1, m_dragRowOrCol, event );
}
ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL, m_colLabelWin);
m_dragLastPos = -1;
}
// ------------ Right button down
//
else if ( event.RightDown() )
{
col = XToCol(x);
if ( !SendEvent( wxEVT_GRID_LABEL_RIGHT_CLICK, -1, col, event ) )
{
// no default action at the moment
}
}
// ------------ Right double click
//
else if ( event.RightDClick() )
{
col = XToCol(x);
if ( !SendEvent( wxEVT_GRID_LABEL_RIGHT_DCLICK, -1, col, event ) )
{
// no default action at the moment
}
}
// ------------ No buttons down and mouse moving
//
else if ( event.Moving() )
{
m_dragRowOrCol = XToEdgeOfCol( x );
if ( m_dragRowOrCol >= 0 )
{
if ( m_cursorMode == WXGRID_CURSOR_SELECT_CELL )
{
// don't capture the cursor yet
if ( CanDragColSize() )
ChangeCursorMode(WXGRID_CURSOR_RESIZE_COL, m_colLabelWin, FALSE);
}
}
else if ( m_cursorMode != WXGRID_CURSOR_SELECT_CELL )
{
ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL, m_colLabelWin, FALSE);
}
}
}
void wxGrid::ProcessCornerLabelMouseEvent( wxMouseEvent& event )
{
if ( event.LeftDown() )
{
// indicate corner label by having both row and
// col args == -1
//
if ( !SendEvent( wxEVT_GRID_LABEL_LEFT_CLICK, -1, -1, event ) )
{
SelectAll();
}
}
else if ( event.LeftDClick() )
{
SendEvent( wxEVT_GRID_LABEL_LEFT_DCLICK, -1, -1, event );
}
else if ( event.RightDown() )
{
if ( !SendEvent( wxEVT_GRID_LABEL_RIGHT_CLICK, -1, -1, event ) )
{
// no default action at the moment
}
}
else if ( event.RightDClick() )
{
if ( !SendEvent( wxEVT_GRID_LABEL_RIGHT_DCLICK, -1, -1, event ) )
{
// no default action at the moment
}
}
}
void wxGrid::ChangeCursorMode(CursorMode mode,
wxWindow *win,
bool captureMouse)
{
#ifdef __WXDEBUG__
static const wxChar *cursorModes[] =
{
_T("SELECT_CELL"),
_T("RESIZE_ROW"),
_T("RESIZE_COL"),
_T("SELECT_ROW"),
_T("SELECT_COL")
};
wxLogTrace(_T("grid"),
_T("wxGrid cursor mode (mouse capture for %s): %s -> %s"),
win == m_colLabelWin ? _T("colLabelWin")
: win ? _T("rowLabelWin")
: _T("gridWin"),
cursorModes[m_cursorMode], cursorModes[mode]);
#endif // __WXDEBUG__
if ( mode == m_cursorMode &&
win == m_winCapture &&
captureMouse == (m_winCapture != NULL))
return;
if ( !win )
{
// by default use the grid itself
win = m_gridWin;
}
if ( m_winCapture )
{
if (m_winCapture->HasCapture()) m_winCapture->ReleaseMouse();
m_winCapture = (wxWindow *)NULL;
}
m_cursorMode = mode;
switch ( m_cursorMode )
{
case WXGRID_CURSOR_RESIZE_ROW:
win->SetCursor( m_rowResizeCursor );
break;
case WXGRID_CURSOR_RESIZE_COL:
win->SetCursor( m_colResizeCursor );
break;
default:
win->SetCursor( *wxSTANDARD_CURSOR );
}
// we need to capture mouse when resizing
bool resize = m_cursorMode == WXGRID_CURSOR_RESIZE_ROW ||
m_cursorMode == WXGRID_CURSOR_RESIZE_COL;
if ( captureMouse && resize )
{
win->CaptureMouse();
m_winCapture = win;
}
}
void wxGrid::ProcessGridCellMouseEvent( wxMouseEvent& event )
{
int x, y;
wxPoint pos( event.GetPosition() );
CalcUnscrolledPosition( pos.x, pos.y, &x, &y );
wxGridCellCoords coords;
XYToCell( x, y, coords );
int cell_rows, cell_cols;
GetCellSize( coords.GetRow(), coords.GetCol(), &cell_rows, &cell_cols );
if ((cell_rows < 0) || (cell_cols < 0))
{
coords.SetRow(coords.GetRow() + cell_rows);
coords.SetCol(coords.GetCol() + cell_cols);
}
if ( event.Dragging() )
{
//wxLogDebug("pos(%d, %d) coords(%d, %d)", pos.x, pos.y, coords.GetRow(), coords.GetCol());
// Don't start doing anything until the mouse has been drug at
// least 3 pixels in any direction...
if (! m_isDragging)
{
if (m_startDragPos == wxDefaultPosition)
{
m_startDragPos = pos;
return;
}
if (abs(m_startDragPos.x - pos.x) < 4 && abs(m_startDragPos.y - pos.y) < 4)
return;
}
m_isDragging = TRUE;
if ( m_cursorMode == WXGRID_CURSOR_SELECT_CELL )
{
// Hide the edit control, so it
// won't interfer with drag-shrinking.
if ( IsCellEditControlShown() )
{
HideCellEditControl();
SaveEditControlValue();
}
// Have we captured the mouse yet?
if (! m_winCapture)
{
m_winCapture = m_gridWin;
m_winCapture->CaptureMouse();
}
if ( coords != wxGridNoCellCoords )
{
if ( event.ControlDown() )
{
if ( m_selectingKeyboard == wxGridNoCellCoords)
m_selectingKeyboard = coords;
HighlightBlock ( m_selectingKeyboard, coords );
}
else
{
if ( !IsSelection() )
{
HighlightBlock( coords, coords );
}
else
{
HighlightBlock( m_currentCellCoords, coords );
}
}
if (! IsVisible(coords))
{
MakeCellVisible(coords);
// TODO: need to introduce a delay or something here. The
// scrolling is way to fast, at least on MSW - also on GTK.
}
}
}
else if ( m_cursorMode == WXGRID_CURSOR_RESIZE_ROW )
{
int cw, ch, left, dummy;
m_gridWin->GetClientSize( &cw, &ch );
CalcUnscrolledPosition( 0, 0, &left, &dummy );
wxClientDC dc( m_gridWin );
PrepareDC( dc );
y = wxMax( y, GetRowTop(m_dragRowOrCol) +
GetRowMinimalHeight(m_dragRowOrCol) );
dc.SetLogicalFunction(wxINVERT);
if ( m_dragLastPos >= 0 )
{
dc.DrawLine( left, m_dragLastPos, left+cw, m_dragLastPos );
}
dc.DrawLine( left, y, left+cw, y );
m_dragLastPos = y;
}
else if ( m_cursorMode == WXGRID_CURSOR_RESIZE_COL )
{
int cw, ch, dummy, top;
m_gridWin->GetClientSize( &cw, &ch );
CalcUnscrolledPosition( 0, 0, &dummy, &top );
wxClientDC dc( m_gridWin );
PrepareDC( dc );
x = wxMax( x, GetColLeft(m_dragRowOrCol) +
GetColMinimalWidth(m_dragRowOrCol) );
dc.SetLogicalFunction(wxINVERT);
if ( m_dragLastPos >= 0 )
{
dc.DrawLine( m_dragLastPos, top, m_dragLastPos, top+ch );
}
dc.DrawLine( x, top, x, top+ch );
m_dragLastPos = x;
}
return;
}
m_isDragging = FALSE;
m_startDragPos = wxDefaultPosition;
// VZ: if we do this, the mode is reset to WXGRID_CURSOR_SELECT_CELL
// immediately after it becomes WXGRID_CURSOR_RESIZE_ROW/COL under
// wxGTK
#if 0
if ( event.Entering() || event.Leaving() )
{
ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL);
m_gridWin->SetCursor( *wxSTANDARD_CURSOR );
}
else
#endif // 0
// ------------ Left button pressed
//
if ( event.LeftDown() && coords != wxGridNoCellCoords )
{
if ( !SendEvent( wxEVT_GRID_CELL_LEFT_CLICK,
coords.GetRow(),
coords.GetCol(),
event ) )
{
if ( !event.ControlDown() )
ClearSelection();
if ( event.ShiftDown() )
{
if ( m_selection )
{
m_selection->SelectBlock( m_currentCellCoords.GetRow(),
m_currentCellCoords.GetCol(),
coords.GetRow(),
coords.GetCol(),
event.ControlDown(),
event.ShiftDown(),
event.AltDown(),
event.MetaDown() );
}
}
else if ( XToEdgeOfCol(x) < 0 &&
YToEdgeOfRow(y) < 0 )
{
DisableCellEditControl();
MakeCellVisible( coords );
// if this is the second click on this cell then start
// the edit control
if ( m_waitForSlowClick &&
(coords == m_currentCellCoords) &&
CanEnableCellControl())
{
EnableCellEditControl();
wxGridCellAttr* attr = GetCellAttr(m_currentCellCoords);
wxGridCellEditor *editor = attr->GetEditor(this,
coords.GetRow(),
coords.GetCol());
editor->StartingClick();
editor->DecRef();
attr->DecRef();
m_waitForSlowClick = FALSE;
}
else
{
if ( event.ControlDown() )
{
if ( m_selection )
{
m_selection->ToggleCellSelection( coords.GetRow(),
coords.GetCol(),
event.ControlDown(),
event.ShiftDown(),
event.AltDown(),
event.MetaDown() );
}
m_selectingTopLeft = wxGridNoCellCoords;
m_selectingBottomRight = wxGridNoCellCoords;
m_selectingKeyboard = coords;
}
else
{
SetCurrentCell( coords );
if ( m_selection )
{
if ( m_selection->GetSelectionMode() !=
wxGrid::wxGridSelectCells )
{
HighlightBlock( coords, coords );
}
}
}
m_waitForSlowClick = TRUE;
}
}
}
}
// ------------ Left double click
//
else if ( event.LeftDClick() && coords != wxGridNoCellCoords )
{
DisableCellEditControl();
if ( XToEdgeOfCol(x) < 0 && YToEdgeOfRow(y) < 0 )
{
SendEvent( wxEVT_GRID_CELL_LEFT_DCLICK,
coords.GetRow(),
coords.GetCol(),
event );
}
}
// ------------ Left button released
//
else if ( event.LeftUp() )
{
if ( m_cursorMode == WXGRID_CURSOR_SELECT_CELL )
{
if ( m_selectingTopLeft != wxGridNoCellCoords &&
m_selectingBottomRight != wxGridNoCellCoords )
{
if (m_winCapture)
{
if (m_winCapture->HasCapture()) m_winCapture->ReleaseMouse();
m_winCapture = NULL;
}
if ( m_selection )
{
m_selection->SelectBlock( m_selectingTopLeft.GetRow(),
m_selectingTopLeft.GetCol(),
m_selectingBottomRight.GetRow(),
m_selectingBottomRight.GetCol(),
event.ControlDown(),
event.ShiftDown(),
event.AltDown(),
event.MetaDown() );
}
m_selectingTopLeft = wxGridNoCellCoords;
m_selectingBottomRight = wxGridNoCellCoords;
}
// Show the edit control, if it has been hidden for
// drag-shrinking.
ShowCellEditControl();
}
else if ( m_cursorMode == WXGRID_CURSOR_RESIZE_ROW )
{
ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL);
DoEndDragResizeRow();
// Note: we are ending the event *after* doing
// default processing in this case
//
SendEvent( wxEVT_GRID_ROW_SIZE, m_dragRowOrCol, -1, event );
}
else if ( m_cursorMode == WXGRID_CURSOR_RESIZE_COL )
{
ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL);
DoEndDragResizeCol();
// Note: we are ending the event *after* doing
// default processing in this case
//
SendEvent( wxEVT_GRID_COL_SIZE, -1, m_dragRowOrCol, event );
}
m_dragLastPos = -1;
}
// ------------ Right button down
//
else if ( event.RightDown() && coords != wxGridNoCellCoords )
{
DisableCellEditControl();
if ( !SendEvent( wxEVT_GRID_CELL_RIGHT_CLICK,
coords.GetRow(),
coords.GetCol(),
event ) )
{
// no default action at the moment
}
}
// ------------ Right double click
//
else if ( event.RightDClick() && coords != wxGridNoCellCoords )
{
DisableCellEditControl();
if ( !SendEvent( wxEVT_GRID_CELL_RIGHT_DCLICK,
coords.GetRow(),
coords.GetCol(),
event ) )
{
// no default action at the moment
}
}
// ------------ Moving and no button action
//
else if ( event.Moving() && !event.IsButton() )
{
if( coords.GetRow() < 0 || coords.GetCol() < 0 )
{
// out of grid cell area
ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL);
return;
}
int dragRow = YToEdgeOfRow( y );
int dragCol = XToEdgeOfCol( x );
// Dragging on the corner of a cell to resize in both
// directions is not implemented yet...
//
if ( dragRow >= 0 && dragCol >= 0 )
{
ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL);
return;
}
if ( dragRow >= 0 )
{
m_dragRowOrCol = dragRow;
if ( m_cursorMode == WXGRID_CURSOR_SELECT_CELL )
{
if ( CanDragRowSize() && CanDragGridSize() )
ChangeCursorMode(WXGRID_CURSOR_RESIZE_ROW);
}
if ( dragCol >= 0 )
{
m_dragRowOrCol = dragCol;
}
return;
}
if ( dragCol >= 0 )
{
m_dragRowOrCol = dragCol;
if ( m_cursorMode == WXGRID_CURSOR_SELECT_CELL )
{
if ( CanDragColSize() && CanDragGridSize() )
ChangeCursorMode(WXGRID_CURSOR_RESIZE_COL);
}
return;
}
// Neither on a row or col edge
//
if ( m_cursorMode != WXGRID_CURSOR_SELECT_CELL )
{
ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL);
}
}
}
void wxGrid::DoEndDragResizeRow()
{
if ( m_dragLastPos >= 0 )
{
// erase the last line and resize the row
//
int cw, ch, left, dummy;
m_gridWin->GetClientSize( &cw, &ch );
CalcUnscrolledPosition( 0, 0, &left, &dummy );
wxClientDC dc( m_gridWin );
PrepareDC( dc );
dc.SetLogicalFunction( wxINVERT );
dc.DrawLine( left, m_dragLastPos, left+cw, m_dragLastPos );
HideCellEditControl();
SaveEditControlValue();
int rowTop = GetRowTop(m_dragRowOrCol);
SetRowSize( m_dragRowOrCol,
wxMax( m_dragLastPos - rowTop, WXGRID_MIN_ROW_HEIGHT ) );
if ( !GetBatchCount() )
{
// Only needed to get the correct rect.y:
wxRect rect ( CellToRect( m_dragRowOrCol, 0 ) );
rect.x = 0;
CalcScrolledPosition(0, rect.y, &dummy, &rect.y);
rect.width = m_rowLabelWidth;
rect.height = ch - rect.y;
m_rowLabelWin->Refresh( TRUE, &rect );
rect.width = cw;
// if there is a multicell block, paint all of it
if (m_table)
{
int i, cell_rows, cell_cols, subtract_rows = 0;
int leftCol = XToCol(left);
int rightCol = XToCol(left+cw);
if (leftCol >= 0)
{
if (rightCol < 0) rightCol = m_numCols;
for (i=leftCol; i<rightCol; i++)
{
GetCellSize(m_dragRowOrCol, i, &cell_rows, &cell_cols);
if (cell_rows < subtract_rows)
subtract_rows = cell_rows;
}
rect.y = GetRowTop(m_dragRowOrCol + subtract_rows);
CalcScrolledPosition(0, rect.y, &dummy, &rect.y);
rect.height = ch - rect.y;
}
}
m_gridWin->Refresh( FALSE, &rect );
}
ShowCellEditControl();
}
}
void wxGrid::DoEndDragResizeCol()
{
if ( m_dragLastPos >= 0 )
{
// erase the last line and resize the col
//
int cw, ch, dummy, top;
m_gridWin->GetClientSize( &cw, &ch );
CalcUnscrolledPosition( 0, 0, &dummy, &top );
wxClientDC dc( m_gridWin );
PrepareDC( dc );
dc.SetLogicalFunction( wxINVERT );
dc.DrawLine( m_dragLastPos, top, m_dragLastPos, top+ch );
HideCellEditControl();
SaveEditControlValue();
int colLeft = GetColLeft(m_dragRowOrCol);
SetColSize( m_dragRowOrCol,
wxMax( m_dragLastPos - colLeft,
GetColMinimalWidth(m_dragRowOrCol) ) );
if ( !GetBatchCount() )
{
// Only needed to get the correct rect.x:
wxRect rect ( CellToRect( 0, m_dragRowOrCol ) );
rect.y = 0;
CalcScrolledPosition(rect.x, 0, &rect.x, &dummy);
rect.width = cw - rect.x;
rect.height = m_colLabelHeight;
m_colLabelWin->Refresh( TRUE, &rect );
rect.height = ch;
// if there is a multicell block, paint all of it
if (m_table)
{
int i, cell_rows, cell_cols, subtract_cols = 0;
int topRow = YToRow(top);
int bottomRow = YToRow(top+cw);
if (topRow >= 0)
{
if (bottomRow < 0) bottomRow = m_numRows;
for (i=topRow; i<bottomRow; i++)
{
GetCellSize(i, m_dragRowOrCol, &cell_rows, &cell_cols);
if (cell_cols < subtract_cols)
subtract_cols = cell_cols;
}
rect.x = GetColLeft(m_dragRowOrCol + subtract_cols);
CalcScrolledPosition(rect.x, 0, &rect.x, &dummy);
rect.width = cw - rect.x;
}
}
m_gridWin->Refresh( FALSE, &rect );
}
ShowCellEditControl();
}
}
//
// ------ interaction with data model
//
bool wxGrid::ProcessTableMessage( wxGridTableMessage& msg )
{
switch ( msg.GetId() )
{
case wxGRIDTABLE_REQUEST_VIEW_GET_VALUES:
return GetModelValues();
case wxGRIDTABLE_REQUEST_VIEW_SEND_VALUES:
return SetModelValues();
case wxGRIDTABLE_NOTIFY_ROWS_INSERTED:
case wxGRIDTABLE_NOTIFY_ROWS_APPENDED:
case wxGRIDTABLE_NOTIFY_ROWS_DELETED:
case wxGRIDTABLE_NOTIFY_COLS_INSERTED:
case wxGRIDTABLE_NOTIFY_COLS_APPENDED:
case wxGRIDTABLE_NOTIFY_COLS_DELETED:
return Redimension( msg );
default:
return FALSE;
}
}
// The behaviour of this function depends on the grid table class
// Clear() function. For the default wxGridStringTable class the
// behavious is to replace all cell contents with wxEmptyString but
// not to change the number of rows or cols.
//
void wxGrid::ClearGrid()
{
if ( m_table )
{
if (IsCellEditControlEnabled())
DisableCellEditControl();
m_table->Clear();
if ( !GetBatchCount() ) m_gridWin->Refresh();
}
}
bool wxGrid::InsertRows( int pos, int numRows, bool WXUNUSED(updateLabels) )
{
// TODO: something with updateLabels flag
if ( !m_created )
{
wxFAIL_MSG( wxT("Called wxGrid::InsertRows() before calling CreateGrid()") );
return FALSE;
}
if ( m_table )
{
if (IsCellEditControlEnabled())
DisableCellEditControl();
return m_table->InsertRows( pos, numRows );
// the table will have sent the results of the insert row
// operation to this view object as a grid table message
}
return FALSE;
}
bool wxGrid::AppendRows( int numRows, bool WXUNUSED(updateLabels) )
{
// TODO: something with updateLabels flag
if ( !m_created )
{
wxFAIL_MSG( wxT("Called wxGrid::AppendRows() before calling CreateGrid()") );
return FALSE;
}
return ( m_table && m_table->AppendRows( numRows ) );
// the table will have sent the results of the append row
// operation to this view object as a grid table message
}
bool wxGrid::DeleteRows( int pos, int numRows, bool WXUNUSED(updateLabels) )
{
// TODO: something with updateLabels flag
if ( !m_created )
{
wxFAIL_MSG( wxT("Called wxGrid::DeleteRows() before calling CreateGrid()") );
return FALSE;
}
if ( m_table )
{
if (IsCellEditControlEnabled())
DisableCellEditControl();
return (m_table->DeleteRows( pos, numRows ));
// the table will have sent the results of the delete row
// operation to this view object as a grid table message
}
return FALSE;
}
bool wxGrid::InsertCols( int pos, int numCols, bool WXUNUSED(updateLabels) )
{
// TODO: something with updateLabels flag
if ( !m_created )
{
wxFAIL_MSG( wxT("Called wxGrid::InsertCols() before calling CreateGrid()") );
return FALSE;
}
if ( m_table )
{
if (IsCellEditControlEnabled())
DisableCellEditControl();
return m_table->InsertCols( pos, numCols );
// the table will have sent the results of the insert col
// operation to this view object as a grid table message
}
return FALSE;
}
bool wxGrid::AppendCols( int numCols, bool WXUNUSED(updateLabels) )
{
// TODO: something with updateLabels flag
if ( !m_created )
{
wxFAIL_MSG( wxT("Called wxGrid::AppendCols() before calling CreateGrid()") );
return FALSE;
}
return ( m_table && m_table->AppendCols( numCols ) );
// the table will have sent the results of the append col
// operation to this view object as a grid table message
}
bool wxGrid::DeleteCols( int pos, int numCols, bool WXUNUSED(updateLabels) )
{
// TODO: something with updateLabels flag
if ( !m_created )
{
wxFAIL_MSG( wxT("Called wxGrid::DeleteCols() before calling CreateGrid()") );
return FALSE;
}
if ( m_table )
{
if (IsCellEditControlEnabled())
DisableCellEditControl();
return ( m_table->DeleteCols( pos, numCols ) );
// the table will have sent the results of the delete col
// operation to this view object as a grid table message
}
return FALSE;
}
//
// ----- event handlers
//
// Generate a grid event based on a mouse event and
// return the result of ProcessEvent()
//
int wxGrid::SendEvent( const wxEventType type,
int row, int col,
wxMouseEvent& mouseEv )
{
bool claimed;
bool vetoed= FALSE;
if ( type == wxEVT_GRID_ROW_SIZE || type == wxEVT_GRID_COL_SIZE )
{
int rowOrCol = (row == -1 ? col : row);
wxGridSizeEvent gridEvt( GetId(),
type,
this,
rowOrCol,
mouseEv.GetX() + GetRowLabelSize(),
mouseEv.GetY() + GetColLabelSize(),
mouseEv.ControlDown(),
mouseEv.ShiftDown(),
mouseEv.AltDown(),
mouseEv.MetaDown() );
claimed = GetEventHandler()->ProcessEvent(gridEvt);
vetoed = !gridEvt.IsAllowed();
}
else if ( type == wxEVT_GRID_RANGE_SELECT )
{
// Right now, it should _never_ end up here!
wxGridRangeSelectEvent gridEvt( GetId(),
type,
this,
m_selectingTopLeft,
m_selectingBottomRight,
TRUE,
mouseEv.ControlDown(),
mouseEv.ShiftDown(),
mouseEv.AltDown(),
mouseEv.MetaDown() );
claimed = GetEventHandler()->ProcessEvent(gridEvt);
vetoed = !gridEvt.IsAllowed();
}
else
{
wxGridEvent gridEvt( GetId(),
type,
this,
row, col,
mouseEv.GetX() + GetRowLabelSize(),
mouseEv.GetY() + GetColLabelSize(),
FALSE,
mouseEv.ControlDown(),
mouseEv.ShiftDown(),
mouseEv.AltDown(),
mouseEv.MetaDown() );
claimed = GetEventHandler()->ProcessEvent(gridEvt);
vetoed = !gridEvt.IsAllowed();
}
// A Veto'd event may not be `claimed' so test this first
if (vetoed) return -1;
return claimed ? 1 : 0;
}
// Generate a grid event of specified type and return the result
// of ProcessEvent().
//
int wxGrid::SendEvent( const wxEventType type,
int row, int col )
{
bool claimed;
bool vetoed= FALSE;
if ( type == wxEVT_GRID_ROW_SIZE || type == wxEVT_GRID_COL_SIZE )
{
int rowOrCol = (row == -1 ? col : row);
wxGridSizeEvent gridEvt( GetId(),
type,
this,
rowOrCol );
claimed = GetEventHandler()->ProcessEvent(gridEvt);
vetoed = !gridEvt.IsAllowed();
}
else
{
wxGridEvent gridEvt( GetId(),
type,
this,
row, col );
claimed = GetEventHandler()->ProcessEvent(gridEvt);
vetoed = !gridEvt.IsAllowed();
}
// A Veto'd event may not be `claimed' so test this first
if (vetoed) return -1;
return claimed ? 1 : 0;
}
void wxGrid::OnPaint( wxPaintEvent& WXUNUSED(event) )
{
wxPaintDC dc(this); // needed to prevent zillions of paint events on MSW
}
void wxGrid::Refresh(bool eraseb, const wxRect* rect)
{
// Don't do anything if between Begin/EndBatch...
// EndBatch() will do all this on the last nested one anyway.
if (! GetBatchCount())
{
// Refresh to get correct scrolled position:
wxScrolledWindow::Refresh(eraseb,rect);
if (rect)
{
int rect_x, rect_y, rectWidth, rectHeight;
int width_label, width_cell, height_label, height_cell;
int x, y;
//Copy rectangle can get scroll offsets..
rect_x = rect->GetX();
rect_y = rect->GetY();
rectWidth = rect->GetWidth();
rectHeight = rect->GetHeight();
width_label = m_rowLabelWidth - rect_x;
if (width_label > rectWidth) width_label = rectWidth;
height_label = m_colLabelHeight - rect_y;
if (height_label > rectHeight) height_label = rectHeight;
if (rect_x > m_rowLabelWidth)
{
x = rect_x - m_rowLabelWidth;
width_cell = rectWidth;
}
else
{
x = 0;
width_cell = rectWidth - (m_rowLabelWidth - rect_x);
}
if (rect_y > m_colLabelHeight)
{
y = rect_y - m_colLabelHeight;
height_cell = rectHeight;
}
else
{
y = 0;
height_cell = rectHeight - (m_colLabelHeight - rect_y);
}
// Paint corner label part intersecting rect.
if ( width_label > 0 && height_label > 0 )
{
wxRect anotherrect(rect_x, rect_y, width_label, height_label);
m_cornerLabelWin->Refresh(eraseb, &anotherrect);
}
// Paint col labels part intersecting rect.
if ( width_cell > 0 && height_label > 0 )
{
wxRect anotherrect(x, rect_y, width_cell, height_label);
m_colLabelWin->Refresh(eraseb, &anotherrect);
}
// Paint row labels part intersecting rect.
if ( width_label > 0 && height_cell > 0 )
{
wxRect anotherrect(rect_x, y, width_label, height_cell);
m_rowLabelWin->Refresh(eraseb, &anotherrect);
}
// Paint cell area part intersecting rect.
if ( width_cell > 0 && height_cell > 0 )
{
wxRect anotherrect(x, y, width_cell, height_cell);
m_gridWin->Refresh(eraseb, &anotherrect);
}
}
else
{
m_cornerLabelWin->Refresh(eraseb, NULL);
m_colLabelWin->Refresh(eraseb, NULL);
m_rowLabelWin->Refresh(eraseb, NULL);
m_gridWin->Refresh(eraseb, NULL);
}
}
}
void wxGrid::OnSize( wxSizeEvent& event )
{
// position the child windows
CalcWindowSizes();
// don't call CalcDimensions() from here, the base class handles the size
// changes itself
event.Skip();
}
void wxGrid::OnKeyDown( wxKeyEvent& event )
{
if ( m_inOnKeyDown )
{
// shouldn't be here - we are going round in circles...
//
wxFAIL_MSG( wxT("wxGrid::OnKeyDown called while already active") );
}
m_inOnKeyDown = TRUE;
// propagate the event up and see if it gets processed
//
wxWindow *parent = GetParent();
wxKeyEvent keyEvt( event );
keyEvt.SetEventObject( parent );
if ( !parent->GetEventHandler()->ProcessEvent( keyEvt ) )
{
// try local handlers
//
switch ( event.KeyCode() )
{
case WXK_UP:
if ( event.ControlDown() )
{
MoveCursorUpBlock( event.ShiftDown() );
}
else
{
MoveCursorUp( event.ShiftDown() );
}
break;
case WXK_DOWN:
if ( event.ControlDown() )
{
MoveCursorDownBlock( event.ShiftDown() );
}
else
{
MoveCursorDown( event.ShiftDown() );
}
break;
case WXK_LEFT:
if ( event.ControlDown() )
{
MoveCursorLeftBlock( event.ShiftDown() );
}
else
{
MoveCursorLeft( event.ShiftDown() );
}
break;
case WXK_RIGHT:
if ( event.ControlDown() )
{
MoveCursorRightBlock( event.ShiftDown() );
}
else
{
MoveCursorRight( event.ShiftDown() );
}
break;
case WXK_RETURN:
case WXK_NUMPAD_ENTER:
if ( event.ControlDown() )
{
event.Skip(); // to let the edit control have the return
}
else
{
if ( GetGridCursorRow() < GetNumberRows()-1 )
{
MoveCursorDown( event.ShiftDown() );
}
else
{
// at the bottom of a column
HideCellEditControl();
SaveEditControlValue();
}
}
break;
case WXK_ESCAPE:
ClearSelection();
break;
case WXK_TAB:
if (event.ShiftDown())
{
if ( GetGridCursorCol() > 0 )
{
MoveCursorLeft( FALSE );
}
else
{
// at left of grid
HideCellEditControl();
SaveEditControlValue();
}
}
else
{
if ( GetGridCursorCol() < GetNumberCols()-1 )
{
MoveCursorRight( FALSE );
}
else
{
// at right of grid
HideCellEditControl();
SaveEditControlValue();
}
}
break;
case WXK_HOME:
if ( event.ControlDown() )
{
MakeCellVisible( 0, 0 );
SetCurrentCell( 0, 0 );
}
else
{
event.Skip();
}
break;
case WXK_END:
if ( event.ControlDown() )
{
MakeCellVisible( m_numRows-1, m_numCols-1 );
SetCurrentCell( m_numRows-1, m_numCols-1 );
}
else
{
event.Skip();
}
break;
case WXK_PRIOR:
MovePageUp();
break;
case WXK_NEXT:
MovePageDown();
break;
case WXK_SPACE:
if ( event.ControlDown() )
{
if ( m_selection )
{
m_selection->ToggleCellSelection( m_currentCellCoords.GetRow(),
m_currentCellCoords.GetCol(),
event.ControlDown(),
event.ShiftDown(),
event.AltDown(),
event.MetaDown() );
}
break;
}
if ( !IsEditable() )
{
MoveCursorRight( FALSE );
break;
}
// Otherwise fall through to default
default:
// is it possible to edit the current cell at all?
if ( !IsCellEditControlEnabled() && CanEnableCellControl() )
{
// yes, now check whether the cells editor accepts the key
int row = m_currentCellCoords.GetRow();
int col = m_currentCellCoords.GetCol();
wxGridCellAttr* attr = GetCellAttr(row, col);
wxGridCellEditor *editor = attr->GetEditor(this, row, col);
// <F2> is special and will always start editing, for
// other keys - ask the editor itself
if ( (event.KeyCode() == WXK_F2 && !event.HasModifiers())
|| editor->IsAcceptedKey(event) )
{
// ensure cell is visble
MakeCellVisible(row, col);
EnableCellEditControl();
// a problem can arise if the cell is not completely
// visible (even after calling MakeCellVisible the
// control is not created and calling StartingKey will
// crash the app
if( editor->IsCreated() && m_cellEditCtrlEnabled ) editor->StartingKey(event);
}
else
{
event.Skip();
}
editor->DecRef();
attr->DecRef();
}
else
{
// let others process char events with modifiers or all
// char events for readonly cells
event.Skip();
}
break;
}
}
m_inOnKeyDown = FALSE;
}
void wxGrid::OnKeyUp( wxKeyEvent& event )
{
// try local handlers
//
if ( event.KeyCode() == WXK_SHIFT )
{
if ( m_selectingTopLeft != wxGridNoCellCoords &&
m_selectingBottomRight != wxGridNoCellCoords )
{
if ( m_selection )
{
m_selection->SelectBlock( m_selectingTopLeft.GetRow(),
m_selectingTopLeft.GetCol(),
m_selectingBottomRight.GetRow(),
m_selectingBottomRight.GetCol(),
event.ControlDown(),
TRUE,
event.AltDown(),
event.MetaDown() );
}
}
m_selectingTopLeft = wxGridNoCellCoords;
m_selectingBottomRight = wxGridNoCellCoords;
m_selectingKeyboard = wxGridNoCellCoords;
}
}
void wxGrid::OnEraseBackground(wxEraseEvent&)
{
}
void wxGrid::SetCurrentCell( const wxGridCellCoords& coords )
{
if ( SendEvent( wxEVT_GRID_SELECT_CELL, coords.GetRow(), coords.GetCol() ) )
{
// the event has been intercepted - do nothing
return;
}
wxClientDC dc(m_gridWin);
PrepareDC(dc);
if ( m_currentCellCoords != wxGridNoCellCoords )
{
HideCellEditControl();
DisableCellEditControl();
if ( IsVisible( m_currentCellCoords, FALSE ) )
{
wxRect r;
r = BlockToDeviceRect(m_currentCellCoords, m_currentCellCoords);
if ( !m_gridLinesEnabled )
{
r.x--;
r.y--;
r.width++;
r.height++;
}
wxGridCellCoordsArray cells = CalcCellsExposed( r );
// Otherwise refresh redraws the highlight!
m_currentCellCoords = coords;
DrawGridCellArea(dc,cells);
DrawAllGridLines( dc, r );
}
}
m_currentCellCoords = coords;
wxGridCellAttr* attr = GetCellAttr(coords);
DrawCellHighlight(dc, attr);
attr->DecRef();
}
void wxGrid::HighlightBlock( int topRow, int leftCol, int bottomRow, int rightCol )
{
int temp;
wxGridCellCoords updateTopLeft, updateBottomRight;
if ( m_selection )
{
if ( m_selection->GetSelectionMode() == wxGrid::wxGridSelectRows )
{
leftCol = 0;
rightCol = GetNumberCols() - 1;
}
else if ( m_selection->GetSelectionMode() == wxGrid::wxGridSelectColumns )
{
topRow = 0;
bottomRow = GetNumberRows() - 1;
}
}
if ( topRow > bottomRow )
{
temp = topRow;
topRow = bottomRow;
bottomRow = temp;
}
if ( leftCol > rightCol )
{
temp = leftCol;
leftCol = rightCol;
rightCol = temp;
}
updateTopLeft = wxGridCellCoords( topRow, leftCol );
updateBottomRight = wxGridCellCoords( bottomRow, rightCol );
// First the case that we selected a completely new area
if ( m_selectingTopLeft == wxGridNoCellCoords ||
m_selectingBottomRight == wxGridNoCellCoords )
{
wxRect rect;
rect = BlockToDeviceRect( wxGridCellCoords ( topRow, leftCol ),
wxGridCellCoords ( bottomRow, rightCol ) );
m_gridWin->Refresh( FALSE, &rect );
}
// Now handle changing an existing selection area.
else if ( m_selectingTopLeft != updateTopLeft ||
m_selectingBottomRight != updateBottomRight )
{
// Compute two optimal update rectangles:
// Either one rectangle is a real subset of the
// other, or they are (almost) disjoint!
wxRect rect[4];
bool need_refresh[4];
need_refresh[0] =
need_refresh[1] =
need_refresh[2] =
need_refresh[3] = FALSE;
int i;
// Store intermediate values
wxCoord oldLeft = m_selectingTopLeft.GetCol();
wxCoord oldTop = m_selectingTopLeft.GetRow();
wxCoord oldRight = m_selectingBottomRight.GetCol();
wxCoord oldBottom = m_selectingBottomRight.GetRow();
// Determine the outer/inner coordinates.
if (oldLeft > leftCol)
{
temp = oldLeft;
oldLeft = leftCol;
leftCol = temp;
}
if (oldTop > topRow )
{
temp = oldTop;
oldTop = topRow;
topRow = temp;
}
if (oldRight < rightCol )
{
temp = oldRight;
oldRight = rightCol;
rightCol = temp;
}
if (oldBottom < bottomRow)
{
temp = oldBottom;
oldBottom = bottomRow;
bottomRow = temp;
}
// Now, either the stuff marked old is the outer
// rectangle or we don't have a situation where one
// is contained in the other.
if ( oldLeft < leftCol )
{
// Refresh the newly selected or deselected
// area to the left of the old or new selection.
need_refresh[0] = TRUE;
rect[0] = BlockToDeviceRect( wxGridCellCoords ( oldTop,
oldLeft ),
wxGridCellCoords ( oldBottom,
leftCol - 1 ) );
}
if ( oldTop < topRow )
{
// Refresh the newly selected or deselected
// area above the old or new selection.
need_refresh[1] = TRUE;
rect[1] = BlockToDeviceRect( wxGridCellCoords ( oldTop,
leftCol ),
wxGridCellCoords ( topRow - 1,
rightCol ) );
}
if ( oldRight > rightCol )
{
// Refresh the newly selected or deselected
// area to the right of the old or new selection.
need_refresh[2] = TRUE;
rect[2] = BlockToDeviceRect( wxGridCellCoords ( oldTop,
rightCol + 1 ),
wxGridCellCoords ( oldBottom,
oldRight ) );
}
if ( oldBottom > bottomRow )
{
// Refresh the newly selected or deselected
// area below the old or new selection.
need_refresh[3] = TRUE;
rect[3] = BlockToDeviceRect( wxGridCellCoords ( bottomRow + 1,
leftCol ),
wxGridCellCoords ( oldBottom,
rightCol ) );
}
// various Refresh() calls
for (i = 0; i < 4; i++ )
if ( need_refresh[i] && rect[i] != wxGridNoCellRect )
m_gridWin->Refresh( FALSE, &(rect[i]) );
}
// Change Selection
m_selectingTopLeft = updateTopLeft;
m_selectingBottomRight = updateBottomRight;
}
//
// ------ functions to get/send data (see also public functions)
//
bool wxGrid::GetModelValues()
{
// Hide the editor, so it won't hide a changed value.
HideCellEditControl();
if ( m_table )
{
// all we need to do is repaint the grid
//
m_gridWin->Refresh();
return TRUE;
}
return FALSE;
}
bool wxGrid::SetModelValues()
{
int row, col;
// Disable the editor, so it won't hide a changed value.
// Do we also want to save the current value of the editor first?
// I think so ...
DisableCellEditControl();
if ( m_table )
{
for ( row = 0; row < m_numRows; row++ )
{
for ( col = 0; col < m_numCols; col++ )
{
m_table->SetValue( row, col, GetCellValue(row, col) );
}
}
return TRUE;
}
return FALSE;
}
// Note - this function only draws cells that are in the list of
// exposed cells (usually set from the update region by
// CalcExposedCells)
//
void wxGrid::DrawGridCellArea( wxDC& dc, const wxGridCellCoordsArray& cells )
{
if ( !m_numRows || !m_numCols ) return;
int i, numCells = cells.GetCount();
int row, col, cell_rows, cell_cols;
wxGridCellCoordsArray redrawCells;
for ( i = numCells-1; i >= 0; i-- )
{
row = cells[i].GetRow();
col = cells[i].GetCol();
GetCellSize( row, col, &cell_rows, &cell_cols );
// If this cell is part of a multicell block, find owner for repaint
if ( cell_rows <= 0 || cell_cols <= 0 )
{
wxGridCellCoords cell(row+cell_rows, col+cell_cols);
bool marked = FALSE;
for ( int j = 0; j < numCells; j++ )
{
if ( cell == cells[j] )
{
marked = TRUE;
break;
}
}
if (!marked)
{
int count = redrawCells.GetCount();
for (int j = 0; j < count; j++)
{
if ( cell == redrawCells[j] )
{
marked = TRUE;
break;
}
}
if (!marked) redrawCells.Add( cell );
}
continue; // don't bother drawing this cell
}
// If this cell is empty, find cell to left that might want to overflow
if (m_table && m_table->IsEmptyCell(row, col))
{
for ( int l = 0; l < cell_rows; l++ )
{
// find a cell in this row to left alreay marked for repaint
int left = col;
for (int k = 0; k < int(redrawCells.GetCount()); k++)
if ((redrawCells[k].GetCol() < left) &&
(redrawCells[k].GetRow() == row))
left=redrawCells[k].GetCol();
if (left == col) left = 0; // oh well
for (int j = col-1; j >= left; j--)
{
if (!m_table->IsEmptyCell(row+l, j))
{
if (GetCellOverflow(row+l, j))
{
wxGridCellCoords cell(row+l, j);
bool marked = FALSE;
for (int k = 0; k < numCells; k++)
{
if ( cell == cells[k] )
{
marked = TRUE;
break;
}
}
if (!marked)
{
int count = redrawCells.GetCount();
for (int k = 0; k < count; k++)
{
if ( cell == redrawCells[k] )
{
marked = TRUE;
break;
}
}
if (!marked) redrawCells.Add( cell );
}
}
break;
}
}
}
}
DrawCell( dc, cells[i] );
}
numCells = redrawCells.GetCount();
for ( i = numCells - 1; i >= 0; i-- )
{
DrawCell( dc, redrawCells[i] );
}
}
void wxGrid::DrawGridSpace( wxDC& dc )
{
int cw, ch;
m_gridWin->GetClientSize( &cw, &ch );
int right, bottom;
CalcUnscrolledPosition( cw, ch, &right, &bottom );
int rightCol = m_numCols > 0 ? GetColRight(m_numCols - 1) : 0;
int bottomRow = m_numRows > 0 ? GetRowBottom(m_numRows - 1) : 0 ;
if ( right > rightCol || bottom > bottomRow )
{
int left, top;
CalcUnscrolledPosition( 0, 0, &left, &top );
dc.SetBrush( wxBrush(GetDefaultCellBackgroundColour(), wxSOLID) );
dc.SetPen( *wxTRANSPARENT_PEN );
if ( right > rightCol )
{
dc.DrawRectangle( rightCol, top, right - rightCol, ch);
}
if ( bottom > bottomRow )
{
dc.DrawRectangle( left, bottomRow, cw, bottom - bottomRow);
}
}
}
void wxGrid::DrawCell( wxDC& dc, const wxGridCellCoords& coords )
{
int row = coords.GetRow();
int col = coords.GetCol();
if ( GetColWidth(col) <= 0 || GetRowHeight(row) <= 0 )
return;
// we draw the cell border ourselves
#if !WXGRID_DRAW_LINES
if ( m_gridLinesEnabled )
DrawCellBorder( dc, coords );
#endif
wxGridCellAttr* attr = GetCellAttr(row, col);
bool isCurrent = coords == m_currentCellCoords;
wxRect rect = CellToRect( row, col );
// if the editor is shown, we should use it and not the renderer
// Note: However, only if it is really _shown_, i.e. not hidden!
if ( isCurrent && IsCellEditControlShown() )
{
wxGridCellEditor *editor = attr->GetEditor(this, row, col);
editor->PaintBackground(rect, attr);
editor->DecRef();
}
else
{
// but all the rest is drawn by the cell renderer and hence may be
// customized
wxGridCellRenderer *renderer = attr->GetRenderer(this, row, col);
renderer->Draw(*this, *attr, dc, rect, row, col, IsInSelection(coords));
renderer->DecRef();
}
attr->DecRef();
}
void wxGrid::DrawCellHighlight( wxDC& dc, const wxGridCellAttr *attr )
{
int row = m_currentCellCoords.GetRow();
int col = m_currentCellCoords.GetCol();
if ( GetColWidth(col) <= 0 || GetRowHeight(row) <= 0 )
return;
wxRect rect = CellToRect(row, col);
// hmmm... what could we do here to show that the cell is disabled?
// for now, I just draw a thinner border than for the other ones, but
// it doesn't look really good
int penWidth = attr->IsReadOnly() ? m_cellHighlightROPenWidth : m_cellHighlightPenWidth;
if (penWidth > 0)
{
// The center of th drawn line is where the position/width/height of
// the rectangle is actually at, (on wxMSW atr least,) so we will
// reduce the size of the rectangle to compensate for the thickness of
// the line. If this is too strange on non wxMSW platforms then
// please #ifdef this appropriately.
rect.x += penWidth/2;
rect.y += penWidth/2;
rect.width -= penWidth-1;
rect.height -= penWidth-1;
// Now draw the rectangle
dc.SetPen(wxPen(m_cellHighlightColour, penWidth, wxSOLID));
dc.SetBrush(*wxTRANSPARENT_BRUSH);
dc.DrawRectangle(rect);
}
#if 0
// VZ: my experiments with 3d borders...
// how to properly set colours for arbitrary bg?
wxCoord x1 = rect.x,
y1 = rect.y,
x2 = rect.x + rect.width -1,
y2 = rect.y + rect.height -1;
dc.SetPen(*wxWHITE_PEN);
dc.DrawLine(x1, y1, x2, y1);
dc.DrawLine(x1, y1, x1, y2);
dc.DrawLine(x1 + 1, y2 - 1, x2 - 1, y2 - 1);
dc.DrawLine(x2 - 1, y1 + 1, x2 - 1, y2 );
dc.SetPen(*wxBLACK_PEN);
dc.DrawLine(x1, y2, x2, y2);
dc.DrawLine(x2, y1, x2, y2+1);
#endif // 0
}
void wxGrid::DrawCellBorder( wxDC& dc, const wxGridCellCoords& coords )
{
int row = coords.GetRow();
int col = coords.GetCol();
if ( GetColWidth(col) <= 0 || GetRowHeight(row) <= 0 )
return;
dc.SetPen( wxPen(GetGridLineColour(), 1, wxSOLID) );
wxRect rect = CellToRect( row, col );
// right hand border
//
dc.DrawLine( rect.x + rect.width, rect.y,
rect.x + rect.width, rect.y + rect.height + 1 );
// bottom border
//
dc.DrawLine( rect.x, rect.y + rect.height,
rect.x + rect.width, rect.y + rect.height);
}
void wxGrid::DrawHighlight(wxDC& dc,const wxGridCellCoordsArray& cells)
{
// This if block was previously in wxGrid::OnPaint but that doesn't
// seem to get called under wxGTK - MB
//
if ( m_currentCellCoords == wxGridNoCellCoords &&
m_numRows && m_numCols )
{
m_currentCellCoords.Set(0, 0);
}
if ( IsCellEditControlShown() )
{
// don't show highlight when the edit control is shown
return;
}
// if the active cell was repainted, repaint its highlight too because it
// might have been damaged by the grid lines
size_t count = cells.GetCount();
for ( size_t n = 0; n < count; n++ )
{
if ( cells[n] == m_currentCellCoords )
{
wxGridCellAttr* attr = GetCellAttr(m_currentCellCoords);
DrawCellHighlight(dc, attr);
attr->DecRef();
break;
}
}
}
// TODO: remove this ???
// This is used to redraw all grid lines e.g. when the grid line colour
// has been changed
//
void wxGrid::DrawAllGridLines( wxDC& dc, const wxRegion & WXUNUSED(reg) )
{
#if !WXGRID_DRAW_LINES
return;
#endif
if ( !m_gridLinesEnabled ||
!m_numRows ||
!m_numCols ) return;
int top, bottom, left, right;
#if 0 //#ifndef __WXGTK__
if (reg.IsEmpty())
{
int cw, ch;
m_gridWin->GetClientSize(&cw, &ch);
// virtual coords of visible area
//
CalcUnscrolledPosition( 0, 0, &left, &top );
CalcUnscrolledPosition( cw, ch, &right, &bottom );
}
else
{
wxCoord x, y, w, h;
reg.GetBox(x, y, w, h);
CalcUnscrolledPosition( x, y, &left, &top );
CalcUnscrolledPosition( x + w, y + h, &right, &bottom );
}
#else
int cw, ch;
m_gridWin->GetClientSize(&cw, &ch);
CalcUnscrolledPosition( 0, 0, &left, &top );
CalcUnscrolledPosition( cw, ch, &right, &bottom );
#endif
// avoid drawing grid lines past the last row and col
//
right = wxMin( right, GetColRight(m_numCols - 1) );
bottom = wxMin( bottom, GetRowBottom(m_numRows - 1) );
// no gridlines inside multicells, clip them out
int leftCol = XToCol(left);
int topRow = YToRow(top);
int rightCol = XToCol(right);
int bottomRow = YToRow(bottom);
wxRegion clippedcells(0, 0, cw, ch);
if ((leftCol >= 0) && (topRow >= 0))
{
if (rightCol < 0) rightCol = m_numCols;
if (bottomRow < 0) bottomRow = m_numRows;
int i, j, cell_rows, cell_cols;
wxRect rect;
for (j=topRow; j<bottomRow; j++)
{
for (i=leftCol; i<rightCol; i++)
{
GetCellSize( j, i, &cell_rows, &cell_cols );
if ((cell_rows > 1) || (cell_cols > 1))
{
rect = CellToRect(j,i);
CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y );
clippedcells.Subtract(rect);
}
else if ((cell_rows < 0) || (cell_cols < 0))
{
rect = CellToRect(j+cell_rows, i+cell_cols);
CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y );
clippedcells.Subtract(rect);
}
}
}
}
dc.SetClippingRegion( clippedcells );
dc.SetPen( wxPen(GetGridLineColour(), 1, wxSOLID) );
// horizontal grid lines
//
int i;
for ( i = internalYToRow(top); i < m_numRows; i++ )
{
int bot = GetRowBottom(i) - 1;
if ( bot > bottom )
{
break;
}
if ( bot >= top )
{
dc.DrawLine( left, bot, right, bot );
}
}
// vertical grid lines
//
for ( i = internalXToCol(left); i < m_numCols; i++ )
{
int colRight = GetColRight(i) - 1;
if ( colRight > right )
{
break;
}
if ( colRight >= left )
{
dc.DrawLine( colRight, top, colRight, bottom );
}
}
dc.DestroyClippingRegion();
}
void wxGrid::DrawRowLabels( wxDC& dc ,const wxArrayInt& rows)
{
if ( !m_numRows ) return;
size_t i;
size_t numLabels = rows.GetCount();
for ( i = 0; i < numLabels; i++ )
{
DrawRowLabel( dc, rows[i] );
}
}
void wxGrid::DrawRowLabel( wxDC& dc, int row )
{
if ( GetRowHeight(row) <= 0 )
return;
int rowTop = GetRowTop(row),
rowBottom = GetRowBottom(row) - 1;
dc.SetPen( *wxBLACK_PEN );
dc.DrawLine( m_rowLabelWidth-1, rowTop,
m_rowLabelWidth-1, rowBottom );
dc.DrawLine( 0, rowBottom, m_rowLabelWidth-1, rowBottom );
dc.SetPen( *wxWHITE_PEN );
dc.DrawLine( 0, rowTop, 0, rowBottom );
dc.DrawLine( 0, rowTop, m_rowLabelWidth-1, rowTop );
dc.SetBackgroundMode( wxTRANSPARENT );
dc.SetTextForeground( GetLabelTextColour() );
dc.SetFont( GetLabelFont() );
int hAlign, vAlign;
GetRowLabelAlignment( &hAlign, &vAlign );
wxRect rect;
rect.SetX( 2 );
rect.SetY( GetRowTop(row) + 2 );
rect.SetWidth( m_rowLabelWidth - 4 );
rect.SetHeight( GetRowHeight(row) - 4 );
DrawTextRectangle( dc, GetRowLabelValue( row ), rect, hAlign, vAlign );
}
void wxGrid::DrawColLabels( wxDC& dc,const wxArrayInt& cols )
{
if ( !m_numCols ) return;
size_t i;
size_t numLabels = cols.GetCount();
for ( i = 0; i < numLabels; i++ )
{
DrawColLabel( dc, cols[i] );
}
}
void wxGrid::DrawColLabel( wxDC& dc, int col )
{
if ( GetColWidth(col) <= 0 )
return;
int colLeft = GetColLeft(col),
colRight = GetColRight(col) - 1;
dc.SetPen( *wxBLACK_PEN );
dc.DrawLine( colRight, 0,
colRight, m_colLabelHeight-1 );
dc.DrawLine( colLeft, m_colLabelHeight-1,
colRight, m_colLabelHeight-1 );
dc.SetPen( *wxWHITE_PEN );
dc.DrawLine( colLeft, 0, colLeft, m_colLabelHeight-1 );
dc.DrawLine( colLeft, 0, colRight, 0 );
dc.SetBackgroundMode( wxTRANSPARENT );
dc.SetTextForeground( GetLabelTextColour() );
dc.SetFont( GetLabelFont() );
dc.SetBackgroundMode( wxTRANSPARENT );
dc.SetTextForeground( GetLabelTextColour() );
dc.SetFont( GetLabelFont() );
int hAlign, vAlign;
GetColLabelAlignment( &hAlign, &vAlign );
wxRect rect;
rect.SetX( colLeft + 2 );
rect.SetY( 2 );
rect.SetWidth( GetColWidth(col) - 4 );
rect.SetHeight( m_colLabelHeight - 4 );
DrawTextRectangle( dc, GetColLabelValue( col ), rect, hAlign, vAlign );
}
void wxGrid::DrawTextRectangle( wxDC& dc,
const wxString& value,
const wxRect& rect,
int horizAlign,
int vertAlign )
{
wxArrayString lines;
StringToLines( value, lines );
//Forward to new API.
DrawTextRectangle( dc,
lines,
rect,
horizAlign,
vertAlign );
}
void wxGrid::DrawTextRectangle( wxDC& dc,
const wxArrayString& lines,
const wxRect& rect,
int horizAlign,
int vertAlign )
{
long textWidth, textHeight;
long lineWidth, lineHeight;
dc.SetClippingRegion( rect );
if ( lines.GetCount() )
{
GetTextBoxSize( dc, lines, &textWidth, &textHeight );
dc.GetTextExtent( lines[0], &lineWidth, &lineHeight );
float x, y;
switch ( horizAlign )
{
case wxALIGN_RIGHT:
x = rect.x + (rect.width - textWidth - 1);
break;
case wxALIGN_CENTRE:
x = rect.x + ((rect.width - textWidth)/2);
break;
case wxALIGN_LEFT:
default:
x = rect.x + 1;
break;
}
switch ( vertAlign )
{
case wxALIGN_BOTTOM:
y = rect.y + (rect.height - textHeight - 1);
break;
case wxALIGN_CENTRE:
y = rect.y + ((rect.height - textHeight)/2);
break;
case wxALIGN_TOP:
default:
y = rect.y + 1;
break;
}
for ( size_t i = 0; i < lines.GetCount(); i++ )
{
dc.DrawText( lines[i], (int)x, (int)y );
y += lineHeight;
}
}
dc.DestroyClippingRegion();
}
// Split multi line text up into an array of strings. Any existing
// contents of the string array are preserved.
//
void wxGrid::StringToLines( const wxString& value, wxArrayString& lines )
{
int startPos = 0;
int pos;
wxString eol = wxTextFile::GetEOL( wxTextFileType_Unix );
wxString tVal = wxTextFile::Translate( value, wxTextFileType_Unix );
while ( startPos < (int)tVal.Length() )
{
pos = tVal.Mid(startPos).Find( eol );
if ( pos < 0 )
{
break;
}
else if ( pos == 0 )
{
lines.Add( wxEmptyString );
}
else
{
lines.Add( value.Mid(startPos, pos) );
}
startPos += pos+1;
}
if ( startPos < (int)value.Length() )
{
lines.Add( value.Mid( startPos ) );
}
}
void wxGrid::GetTextBoxSize( wxDC& dc,
const wxArrayString& lines,
long *width, long *height )
{
long w = 0;
long h = 0;
long lineW, lineH;
size_t i;
for ( i = 0; i < lines.GetCount(); i++ )
{
dc.GetTextExtent( lines[i], &lineW, &lineH );
w = wxMax( w, lineW );
h += lineH;
}
*width = w;
*height = h;
}
//
// ------ Batch processing.
//
void wxGrid::EndBatch()
{
if ( m_batchCount > 0 )
{
m_batchCount--;
if ( !m_batchCount )
{
CalcDimensions();
m_rowLabelWin->Refresh();
m_colLabelWin->Refresh();
m_cornerLabelWin->Refresh();
m_gridWin->Refresh();
}
}
}
// Use this, rather than wxWindow::Refresh(), to force an immediate
// repainting of the grid. Has no effect if you are already inside a
// BeginBatch / EndBatch block.
//
void wxGrid::ForceRefresh()
{
BeginBatch();
EndBatch();
}
//
// ------ Edit control functions
//
void wxGrid::EnableEditing( bool edit )
{
// TODO: improve this ?
//
if ( edit != m_editable )
{
if(!edit) EnableCellEditControl(edit);
m_editable = edit;
}
}
void wxGrid::EnableCellEditControl( bool enable )
{
if (! m_editable)
return;
if ( m_currentCellCoords == wxGridNoCellCoords )
SetCurrentCell( 0, 0 );
if ( enable != m_cellEditCtrlEnabled )
{
if ( enable )
{
if (SendEvent( wxEVT_GRID_EDITOR_SHOWN) <0)
return;
// this should be checked by the caller!
wxASSERT_MSG( CanEnableCellControl(),
_T("can't enable editing for this cell!") );
// do it before ShowCellEditControl()
m_cellEditCtrlEnabled = enable;
ShowCellEditControl();
}
else
{
//FIXME:add veto support
SendEvent( wxEVT_GRID_EDITOR_HIDDEN);
HideCellEditControl();
SaveEditControlValue();
// do it after HideCellEditControl()
m_cellEditCtrlEnabled = enable;
}
}
}
bool wxGrid::IsCurrentCellReadOnly() const
{
// const_cast
wxGridCellAttr* attr = ((wxGrid *)this)->GetCellAttr(m_currentCellCoords);
bool readonly = attr->IsReadOnly();
attr->DecRef();
return readonly;
}
bool wxGrid::CanEnableCellControl() const
{
return m_editable && !IsCurrentCellReadOnly();
}
bool wxGrid::IsCellEditControlEnabled() const
{
// the cell edit control might be disable for all cells or just for the
// current one if it's read only
return m_cellEditCtrlEnabled ? !IsCurrentCellReadOnly() : FALSE;
}
bool wxGrid::IsCellEditControlShown() const
{
bool isShown = FALSE;
if ( m_cellEditCtrlEnabled )
{
int row = m_currentCellCoords.GetRow();
int col = m_currentCellCoords.GetCol();
wxGridCellAttr* attr = GetCellAttr(row, col);
wxGridCellEditor* editor = attr->GetEditor((wxGrid*) this, row, col);
attr->DecRef();
if ( editor )
{
if ( editor->IsCreated() )
{
isShown = editor->GetControl()->IsShown();
}
editor->DecRef();
}
}
return isShown;
}
void wxGrid::ShowCellEditControl()
{
if ( IsCellEditControlEnabled() )
{
if ( !IsVisible( m_currentCellCoords ) )
{
m_cellEditCtrlEnabled = FALSE;
return;
}
else
{
wxRect rect = CellToRect( m_currentCellCoords );
int row = m_currentCellCoords.GetRow();
int col = m_currentCellCoords.GetCol();
// if this is part of a multicell, find owner (topleft)
int cell_rows, cell_cols;
GetCellSize( row, col, &cell_rows, &cell_cols );
if ( cell_rows <= 0 || cell_cols <= 0 )
{
row += cell_rows;
col += cell_cols;
m_currentCellCoords.SetRow( row );
m_currentCellCoords.SetCol( col );
}
// convert to scrolled coords
//
CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y );
// done in PaintBackground()
#if 0
// erase the highlight and the cell contents because the editor
// might not cover the entire cell
wxClientDC dc( m_gridWin );
PrepareDC( dc );
dc.SetBrush(*wxLIGHT_GREY_BRUSH); //wxBrush(attr->GetBackgroundColour(), wxSOLID));
dc.SetPen(*wxTRANSPARENT_PEN);
dc.DrawRectangle(rect);
#endif // 0
// cell is shifted by one pixel
// However, don't allow x or y to become negative
// since the SetSize() method interprets that as
// "don't change."
if (rect.x > 0)
rect.x--;
if (rect.y > 0)
rect.y--;
wxGridCellAttr* attr = GetCellAttr(row, col);
wxGridCellEditor* editor = attr->GetEditor(this, row, col);
if ( !editor->IsCreated() )
{
editor->Create(m_gridWin, -1,
new wxGridCellEditorEvtHandler(this, editor));
wxGridEditorCreatedEvent evt(GetId(),
wxEVT_GRID_EDITOR_CREATED,
this,
row,
col,
editor->GetControl());
GetEventHandler()->ProcessEvent(evt);
}
// resize editor to overflow into righthand cells if allowed
int maxWidth = rect.width;
wxString value = GetCellValue(row, col);
if ( (value != wxEmptyString) && (attr->GetOverflow()) )
{
int y;
GetTextExtent(value, &maxWidth, &y,
NULL, NULL, &attr->GetFont());
if (maxWidth < rect.width) maxWidth = rect.width;
}
int client_right = m_gridWin->GetClientSize().GetWidth();
if (rect.x+maxWidth > client_right)
maxWidth = client_right - rect.x;
if ((maxWidth > rect.width) && (col < m_numCols) && m_table)
{
GetCellSize( row, col, &cell_rows, &cell_cols );
// may have changed earlier
for (int i = col+cell_cols; i < m_numCols; i++)
{
int c_rows, c_cols;
GetCellSize( row, i, &c_rows, &c_cols );
// looks weird going over a multicell
if (m_table->IsEmptyCell(row,i) &&
(rect.width < maxWidth) && (c_rows == 1))
rect.width += GetColWidth(i);
else
break;
}
if (rect.GetRight() > client_right)
rect.SetRight(client_right-1);
}
editor->SetCellAttr(attr);
editor->SetSize( rect );
editor->Show( TRUE, attr );
// recalc dimensions in case we need to
// expand the scrolled window to account for editor
CalcDimensions();
editor->BeginEdit(row, col, this);
editor->SetCellAttr(NULL);
editor->DecRef();
attr->DecRef();
}
}
}
void wxGrid::HideCellEditControl()
{
if ( IsCellEditControlEnabled() )
{
int row = m_currentCellCoords.GetRow();
int col = m_currentCellCoords.GetCol();
wxGridCellAttr* attr = GetCellAttr(row, col);
wxGridCellEditor *editor = attr->GetEditor(this, row, col);
editor->Show( FALSE );
editor->DecRef();
attr->DecRef();
m_gridWin->SetFocus();
// refresh whole row to the right
wxRect rect( CellToRect(row, col) );
CalcScrolledPosition(rect.x, rect.y, &rect.x, &rect.y );
rect.width = m_gridWin->GetClientSize().GetWidth() - rect.x;
m_gridWin->Refresh( FALSE, &rect );
}
}
void wxGrid::SaveEditControlValue()
{
if ( IsCellEditControlEnabled() )
{
int row = m_currentCellCoords.GetRow();
int col = m_currentCellCoords.GetCol();
wxString oldval = GetCellValue(row,col);
wxGridCellAttr* attr = GetCellAttr(row, col);
wxGridCellEditor* editor = attr->GetEditor(this, row, col);
bool changed = editor->EndEdit(row, col, this);
editor->DecRef();
attr->DecRef();
if (changed)
{
if ( SendEvent( wxEVT_GRID_CELL_CHANGE,
m_currentCellCoords.GetRow(),
m_currentCellCoords.GetCol() ) < 0 ) {
// Event has been vetoed, set the data back.
SetCellValue(row,col,oldval);
}
}
}
}
//
// ------ Grid location functions
// Note that all of these functions work with the logical coordinates of
// grid cells and labels so you will need to convert from device
// coordinates for mouse events etc.
//
void wxGrid::XYToCell( int x, int y, wxGridCellCoords& coords )
{
int row = YToRow(y);
int col = XToCol(x);
if ( row == -1 || col == -1 )
{
coords = wxGridNoCellCoords;
}
else
{
coords.Set( row, col );
}
}
// Internal Helper function for computing row or column from some
// (unscrolled) coordinate value, using either
// m_defaultRowHeight/m_defaultColWidth or binary search on array
// of m_rowBottoms/m_ColRights to speed up the search!
static int CoordToRowOrCol(int coord, int defaultDist, int minDist,
const wxArrayInt& BorderArray, int nMax,
bool maxOnOverflow)
{
if (!defaultDist)
defaultDist = 1;
size_t i_max = coord / defaultDist,
i_min = 0;
if (BorderArray.IsEmpty())
{
if((int) i_max < nMax)
return i_max;
return maxOnOverflow ? nMax - 1 : -1;
}
if ( i_max >= BorderArray.GetCount())
i_max = BorderArray.GetCount() - 1;
else
{
if ( coord >= BorderArray[i_max])
{
i_min = i_max;
i_max = coord / minDist;
}
if ( i_max >= BorderArray.GetCount())
i_max = BorderArray.GetCount() - 1;
}
if ( coord >= BorderArray[i_max])
return maxOnOverflow ? (int)i_max : -1;
if ( coord < BorderArray[0] )
return 0;
while ( i_max - i_min > 0 )
{
wxCHECK_MSG(BorderArray[i_min] <= coord && coord < BorderArray[i_max],
0, _T("wxGrid: internal error in CoordToRowOrCol"));
if (coord >= BorderArray[ i_max - 1])
return i_max;
else
i_max--;
int median = i_min + (i_max - i_min + 1) / 2;
if (coord < BorderArray[median])
i_max = median;
else
i_min = median;
}
return i_max;
}
int wxGrid::YToRow( int y )
{
return CoordToRowOrCol(y, m_defaultRowHeight,
WXGRID_MIN_ROW_HEIGHT, m_rowBottoms, m_numRows, FALSE);
}
int wxGrid::XToCol( int x )
{
return CoordToRowOrCol(x, m_defaultColWidth,
WXGRID_MIN_COL_WIDTH, m_colRights, m_numCols, FALSE);
}
// return the row number that that the y coord is near the edge of, or
// -1 if not near an edge
//
int wxGrid::YToEdgeOfRow( int y )
{
int i;
i = internalYToRow(y);
if ( GetRowHeight(i) > WXGRID_LABEL_EDGE_ZONE )
{
// We know that we are in row i, test whether we are
// close enough to lower or upper border, respectively.
if ( abs(GetRowBottom(i) - y) < WXGRID_LABEL_EDGE_ZONE )
return i;
else if( i > 0 && y - GetRowTop(i) < WXGRID_LABEL_EDGE_ZONE )
return i - 1;
}
return -1;
}
// return the col number that that the x coord is near the edge of, or
// -1 if not near an edge
//
int wxGrid::XToEdgeOfCol( int x )
{
int i;
i = internalXToCol(x);
if ( GetColWidth(i) > WXGRID_LABEL_EDGE_ZONE )
{
// We know that we are in column i, test whether we are
// close enough to right or left border, respectively.
if ( abs(GetColRight(i) - x) < WXGRID_LABEL_EDGE_ZONE )
return i;
else if( i > 0 && x - GetColLeft(i) < WXGRID_LABEL_EDGE_ZONE )
return i - 1;
}
return -1;
}
wxRect wxGrid::CellToRect( int row, int col )
{
wxRect rect( -1, -1, -1, -1 );
if ( row >= 0 && row < m_numRows &&
col >= 0 && col < m_numCols )
{
int i, cell_rows, cell_cols;
rect.width = rect.height = 0;
GetCellSize( row, col, &cell_rows, &cell_cols );
// if negative then find multicell owner
if (cell_rows < 0) row += cell_rows;
if (cell_cols < 0) col += cell_cols;
GetCellSize( row, col, &cell_rows, &cell_cols );
rect.x = GetColLeft(col);
rect.y = GetRowTop(row);
for (i=col; i<col+cell_cols; i++)
rect.width += GetColWidth(i);
for (i=row; i<row+cell_rows; i++)
rect.height += GetRowHeight(i);
}
// if grid lines are enabled, then the area of the cell is a bit smaller
if (m_gridLinesEnabled) {
rect.width -= 1;
rect.height -= 1;
}
return rect;
}
bool wxGrid::IsVisible( int row, int col, bool wholeCellVisible )
{
// get the cell rectangle in logical coords
//
wxRect r( CellToRect( row, col ) );
// convert to device coords
//
int left, top, right, bottom;
CalcScrolledPosition( r.GetLeft(), r.GetTop(), &left, &top );
CalcScrolledPosition( r.GetRight(), r.GetBottom(), &right, &bottom );
// check against the client area of the grid window
//
int cw, ch;
m_gridWin->GetClientSize( &cw, &ch );
if ( wholeCellVisible )
{
// is the cell wholly visible ?
//
return ( left >= 0 && right <= cw &&
top >= 0 && bottom <= ch );
}
else
{
// is the cell partly visible ?
//
return ( ((left >=0 && left < cw) || (right > 0 && right <= cw)) &&
((top >=0 && top < ch) || (bottom > 0 && bottom <= ch)) );
}
}
// make the specified cell location visible by doing a minimal amount
// of scrolling
//
void wxGrid::MakeCellVisible( int row, int col )
{
int i;
int xpos = -1, ypos = -1;
if ( row >= 0 && row < m_numRows &&
col >= 0 && col < m_numCols )
{
// get the cell rectangle in logical coords
//
wxRect r( CellToRect( row, col ) );
// convert to device coords
//
int left, top, right, bottom;
CalcScrolledPosition( r.GetLeft(), r.GetTop(), &left, &top );
CalcScrolledPosition( r.GetRight(), r.GetBottom(), &right, &bottom );
int cw, ch;
m_gridWin->GetClientSize( &cw, &ch );
if ( top < 0 )
{
ypos = r.GetTop();
}
else if ( bottom > ch )
{
int h = r.GetHeight();
ypos = r.GetTop();
for ( i = row-1; i >= 0; i-- )
{
int rowHeight = GetRowHeight(i);
if ( h + rowHeight > ch )
break;
h += rowHeight;
ypos -= rowHeight;
}
// we divide it later by GRID_SCROLL_LINE, make sure that we don't
// have rounding errors (this is important, because if we do, we
// might not scroll at all and some cells won't be redrawn)
//
// Sometimes GRID_SCROLL_LINE/2 is not enough, so just add a full
// scroll unit...
ypos += GRID_SCROLL_LINE_Y;
}
if ( left < 0 )
{
xpos = r.GetLeft();
}
else if ( right > cw )
{
int w = r.GetWidth();
xpos = r.GetLeft();
for ( i = col-1; i >= 0; i-- )
{
int colWidth = GetColWidth(i);
if ( w + colWidth > cw )
break;
w += colWidth;
xpos -= colWidth;
}
// see comment for ypos above
xpos += GRID_SCROLL_LINE_X;
}
if ( xpos != -1 || ypos != -1 )
{
if ( xpos != -1 )
xpos /= GRID_SCROLL_LINE_X;
if ( ypos != -1 )
ypos /= GRID_SCROLL_LINE_Y;
Scroll( xpos, ypos );
AdjustScrollbars();
}
}
}
//
// ------ Grid cursor movement functions
//
bool wxGrid::MoveCursorUp( bool expandSelection )
{
if ( m_currentCellCoords != wxGridNoCellCoords &&
m_currentCellCoords.GetRow() >= 0 )
{
if ( expandSelection)
{
if ( m_selectingKeyboard == wxGridNoCellCoords )
m_selectingKeyboard = m_currentCellCoords;
if ( m_selectingKeyboard.GetRow() > 0 )
{
m_selectingKeyboard.SetRow( m_selectingKeyboard.GetRow() - 1 );
MakeCellVisible( m_selectingKeyboard.GetRow(),
m_selectingKeyboard.GetCol() );
HighlightBlock( m_currentCellCoords, m_selectingKeyboard );
}
}
else if ( m_currentCellCoords.GetRow() > 0 )
{
ClearSelection();
MakeCellVisible( m_currentCellCoords.GetRow() - 1,
m_currentCellCoords.GetCol() );
SetCurrentCell( m_currentCellCoords.GetRow() - 1,
m_currentCellCoords.GetCol() );
}
else
return FALSE;
return TRUE;
}
return FALSE;
}
bool wxGrid::MoveCursorDown( bool expandSelection )
{
if ( m_currentCellCoords != wxGridNoCellCoords &&
m_currentCellCoords.GetRow() < m_numRows )
{
if ( expandSelection )
{
if ( m_selectingKeyboard == wxGridNoCellCoords )
m_selectingKeyboard = m_currentCellCoords;
if ( m_selectingKeyboard.GetRow() < m_numRows-1 )
{
m_selectingKeyboard.SetRow( m_selectingKeyboard.GetRow() + 1 );
MakeCellVisible( m_selectingKeyboard.GetRow(),
m_selectingKeyboard.GetCol() );
HighlightBlock( m_currentCellCoords, m_selectingKeyboard );
}
}
else if ( m_currentCellCoords.GetRow() < m_numRows - 1 )
{
ClearSelection();
MakeCellVisible( m_currentCellCoords.GetRow() + 1,
m_currentCellCoords.GetCol() );
SetCurrentCell( m_currentCellCoords.GetRow() + 1,
m_currentCellCoords.GetCol() );
}
else
return FALSE;
return TRUE;
}
return FALSE;
}
bool wxGrid::MoveCursorLeft( bool expandSelection )
{
if ( m_currentCellCoords != wxGridNoCellCoords &&
m_currentCellCoords.GetCol() >= 0 )
{
if ( expandSelection )
{
if ( m_selectingKeyboard == wxGridNoCellCoords )
m_selectingKeyboard = m_currentCellCoords;
if ( m_selectingKeyboard.GetCol() > 0 )
{
m_selectingKeyboard.SetCol( m_selectingKeyboard.GetCol() - 1 );
MakeCellVisible( m_selectingKeyboard.GetRow(),
m_selectingKeyboard.GetCol() );
HighlightBlock( m_currentCellCoords, m_selectingKeyboard );
}
}
else if ( m_currentCellCoords.GetCol() > 0 )
{
ClearSelection();
MakeCellVisible( m_currentCellCoords.GetRow(),
m_currentCellCoords.GetCol() - 1 );
SetCurrentCell( m_currentCellCoords.GetRow(),
m_currentCellCoords.GetCol() - 1 );
}
else
return FALSE;
return TRUE;
}
return FALSE;
}
bool wxGrid::MoveCursorRight( bool expandSelection )
{
if ( m_currentCellCoords != wxGridNoCellCoords &&
m_currentCellCoords.GetCol() < m_numCols )
{
if ( expandSelection )
{
if ( m_selectingKeyboard == wxGridNoCellCoords )
m_selectingKeyboard = m_currentCellCoords;
if ( m_selectingKeyboard.GetCol() < m_numCols - 1 )
{
m_selectingKeyboard.SetCol( m_selectingKeyboard.GetCol() + 1 );
MakeCellVisible( m_selectingKeyboard.GetRow(),
m_selectingKeyboard.GetCol() );
HighlightBlock( m_currentCellCoords, m_selectingKeyboard );
}
}
else if ( m_currentCellCoords.GetCol() < m_numCols - 1 )
{
ClearSelection();
MakeCellVisible( m_currentCellCoords.GetRow(),
m_currentCellCoords.GetCol() + 1 );
SetCurrentCell( m_currentCellCoords.GetRow(),
m_currentCellCoords.GetCol() + 1 );
}
else
return FALSE;
return TRUE;
}
return FALSE;
}
bool wxGrid::MovePageUp()
{
if ( m_currentCellCoords == wxGridNoCellCoords ) return FALSE;
int row = m_currentCellCoords.GetRow();
if ( row > 0 )
{
int cw, ch;
m_gridWin->GetClientSize( &cw, &ch );
int y = GetRowTop(row);
int newRow = YToRow( y - ch + 1 );
if ( newRow == -1 )
{
newRow = 0;
}
else if ( newRow == row )
{
newRow = row - 1;
}
MakeCellVisible( newRow, m_currentCellCoords.GetCol() );
SetCurrentCell( newRow, m_currentCellCoords.GetCol() );
return TRUE;
}
return FALSE;
}
bool wxGrid::MovePageDown()
{
if ( m_currentCellCoords == wxGridNoCellCoords ) return FALSE;
int row = m_currentCellCoords.GetRow();
if ( row < m_numRows )
{
int cw, ch;
m_gridWin->GetClientSize( &cw, &ch );
int y = GetRowTop(row);
int newRow = YToRow( y + ch );
if ( newRow == -1 )
{
newRow = m_numRows - 1;
}
else if ( newRow == row )
{
newRow = row + 1;
}
MakeCellVisible( newRow, m_currentCellCoords.GetCol() );
SetCurrentCell( newRow, m_currentCellCoords.GetCol() );
return TRUE;
}
return FALSE;
}
bool wxGrid::MoveCursorUpBlock( bool expandSelection )
{
if ( m_table &&
m_currentCellCoords != wxGridNoCellCoords &&
m_currentCellCoords.GetRow() > 0 )
{
int row = m_currentCellCoords.GetRow();
int col = m_currentCellCoords.GetCol();
if ( m_table->IsEmptyCell(row, col) )
{
// starting in an empty cell: find the next block of
// non-empty cells
//
while ( row > 0 )
{
row-- ;
if ( !(m_table->IsEmptyCell(row, col)) ) break;
}
}
else if ( m_table->IsEmptyCell(row-1, col) )
{
// starting at the top of a block: find the next block
//
row--;
while ( row > 0 )
{
row-- ;
if ( !(m_table->IsEmptyCell(row, col)) ) break;
}
}
else
{
// starting within a block: find the top of the block
//
while ( row > 0 )
{
row-- ;
if ( m_table->IsEmptyCell(row, col) )
{
row++ ;
break;
}
}
}
MakeCellVisible( row, col );
if ( expandSelection )
{
m_selectingKeyboard = wxGridCellCoords( row, col );
HighlightBlock( m_currentCellCoords, m_selectingKeyboard );
}
else
{
ClearSelection();
SetCurrentCell( row, col );
}
return TRUE;
}
return FALSE;
}
bool wxGrid::MoveCursorDownBlock( bool expandSelection )
{
if ( m_table &&
m_currentCellCoords != wxGridNoCellCoords &&
m_currentCellCoords.GetRow() < m_numRows-1 )
{
int row = m_currentCellCoords.GetRow();
int col = m_currentCellCoords.GetCol();
if ( m_table->IsEmptyCell(row, col) )
{
// starting in an empty cell: find the next block of
// non-empty cells
//
while ( row < m_numRows-1 )
{
row++ ;
if ( !(m_table->IsEmptyCell(row, col)) ) break;
}
}
else if ( m_table->IsEmptyCell(row+1, col) )
{
// starting at the bottom of a block: find the next block
//
row++;
while ( row < m_numRows-1 )
{
row++ ;
if ( !(m_table->IsEmptyCell(row, col)) ) break;
}
}
else
{
// starting within a block: find the bottom of the block
//
while ( row < m_numRows-1 )
{
row++ ;
if ( m_table->IsEmptyCell(row, col) )
{
row-- ;
break;
}
}
}
MakeCellVisible( row, col );
if ( expandSelection )
{
m_selectingKeyboard = wxGridCellCoords( row, col );
HighlightBlock( m_currentCellCoords, m_selectingKeyboard );
}
else
{
ClearSelection();
SetCurrentCell( row, col );
}
return TRUE;
}
return FALSE;
}
bool wxGrid::MoveCursorLeftBlock( bool expandSelection )
{
if ( m_table &&
m_currentCellCoords != wxGridNoCellCoords &&
m_currentCellCoords.GetCol() > 0 )
{
int row = m_currentCellCoords.GetRow();
int col = m_currentCellCoords.GetCol();
if ( m_table->IsEmptyCell(row, col) )
{
// starting in an empty cell: find the next block of
// non-empty cells
//
while ( col > 0 )
{
col-- ;
if ( !(m_table->IsEmptyCell(row, col)) ) break;
}
}
else if ( m_table->IsEmptyCell(row, col-1) )
{
// starting at the left of a block: find the next block
//
col--;
while ( col > 0 )
{
col-- ;
if ( !(m_table->IsEmptyCell(row, col)) ) break;
}
}
else
{
// starting within a block: find the left of the block
//
while ( col > 0 )
{
col-- ;
if ( m_table->IsEmptyCell(row, col) )
{
col++ ;
break;
}
}
}
MakeCellVisible( row, col );
if ( expandSelection )
{
m_selectingKeyboard = wxGridCellCoords( row, col );
HighlightBlock( m_currentCellCoords, m_selectingKeyboard );
}
else
{
ClearSelection();
SetCurrentCell( row, col );
}
return TRUE;
}
return FALSE;
}
bool wxGrid::MoveCursorRightBlock( bool expandSelection )
{
if ( m_table &&
m_currentCellCoords != wxGridNoCellCoords &&
m_currentCellCoords.GetCol() < m_numCols-1 )
{
int row = m_currentCellCoords.GetRow();
int col = m_currentCellCoords.GetCol();
if ( m_table->IsEmptyCell(row, col) )
{
// starting in an empty cell: find the next block of
// non-empty cells
//
while ( col < m_numCols-1 )
{
col++ ;
if ( !(m_table->IsEmptyCell(row, col)) ) break;
}
}
else if ( m_table->IsEmptyCell(row, col+1) )
{
// starting at the right of a block: find the next block
//
col++;
while ( col < m_numCols-1 )
{
col++ ;
if ( !(m_table->IsEmptyCell(row, col)) ) break;
}
}
else
{
// starting within a block: find the right of the block
//
while ( col < m_numCols-1 )
{
col++ ;
if ( m_table->IsEmptyCell(row, col) )
{
col-- ;
break;
}
}
}
MakeCellVisible( row, col );
if ( expandSelection )
{
m_selectingKeyboard = wxGridCellCoords( row, col );
HighlightBlock( m_currentCellCoords, m_selectingKeyboard );
}
else
{
ClearSelection();
SetCurrentCell( row, col );
}
return TRUE;
}
return FALSE;
}
//
// ------ Label values and formatting
//
void wxGrid::GetRowLabelAlignment( int *horiz, int *vert )
{
*horiz = m_rowLabelHorizAlign;
*vert = m_rowLabelVertAlign;
}
void wxGrid::GetColLabelAlignment( int *horiz, int *vert )
{
*horiz = m_colLabelHorizAlign;
*vert = m_colLabelVertAlign;
}
wxString wxGrid::GetRowLabelValue( int row )
{
if ( m_table )
{
return m_table->GetRowLabelValue( row );
}
else
{
wxString s;
s << row;
return s;
}
}
wxString wxGrid::GetColLabelValue( int col )
{
if ( m_table )
{
return m_table->GetColLabelValue( col );
}
else
{
wxString s;
s << col;
return s;
}
}
void wxGrid::SetRowLabelSize( int width )
{
width = wxMax( width, 0 );
if ( width != m_rowLabelWidth )
{
if ( width == 0 )
{
m_rowLabelWin->Show( FALSE );
m_cornerLabelWin->Show( FALSE );
}
else if ( m_rowLabelWidth == 0 )
{
m_rowLabelWin->Show( TRUE );
if ( m_colLabelHeight > 0 ) m_cornerLabelWin->Show( TRUE );
}
m_rowLabelWidth = width;
CalcWindowSizes();
wxScrolledWindow::Refresh( TRUE );
}
}
void wxGrid::SetColLabelSize( int height )
{
height = wxMax( height, 0 );
if ( height != m_colLabelHeight )
{
if ( height == 0 )
{
m_colLabelWin->Show( FALSE );
m_cornerLabelWin->Show( FALSE );
}
else if ( m_colLabelHeight == 0 )
{
m_colLabelWin->Show( TRUE );
if ( m_rowLabelWidth > 0 ) m_cornerLabelWin->Show( TRUE );
}
m_colLabelHeight = height;
CalcWindowSizes();
wxScrolledWindow::Refresh( TRUE );
}
}
void wxGrid::SetLabelBackgroundColour( const wxColour& colour )
{
if ( m_labelBackgroundColour != colour )
{
m_labelBackgroundColour = colour;
m_rowLabelWin->SetBackgroundColour( colour );
m_colLabelWin->SetBackgroundColour( colour );
m_cornerLabelWin->SetBackgroundColour( colour );
if ( !GetBatchCount() )
{
m_rowLabelWin->Refresh();
m_colLabelWin->Refresh();
m_cornerLabelWin->Refresh();
}
}
}
void wxGrid::SetLabelTextColour( const wxColour& colour )
{
if ( m_labelTextColour != colour )
{
m_labelTextColour = colour;
if ( !GetBatchCount() )
{
m_rowLabelWin->Refresh();
m_colLabelWin->Refresh();
}
}
}
void wxGrid::SetLabelFont( const wxFont& font )
{
m_labelFont = font;
if ( !GetBatchCount() )
{
m_rowLabelWin->Refresh();
m_colLabelWin->Refresh();
}
}
void wxGrid::SetRowLabelAlignment( int horiz, int vert )
{
// allow old (incorrect) defs to be used
switch ( horiz )
{
case wxLEFT: horiz = wxALIGN_LEFT; break;
case wxRIGHT: horiz = wxALIGN_RIGHT; break;
case wxCENTRE: horiz = wxALIGN_CENTRE; break;
}
switch ( vert )
{
case wxTOP: vert = wxALIGN_TOP; break;
case wxBOTTOM: vert = wxALIGN_BOTTOM; break;
case wxCENTRE: vert = wxALIGN_CENTRE; break;
}
if ( horiz == wxALIGN_LEFT || horiz == wxALIGN_CENTRE || horiz == wxALIGN_RIGHT )
{
m_rowLabelHorizAlign = horiz;
}
if ( vert == wxALIGN_TOP || vert == wxALIGN_CENTRE || vert == wxALIGN_BOTTOM )
{
m_rowLabelVertAlign = vert;
}
if ( !GetBatchCount() )
{
m_rowLabelWin->Refresh();
}
}
void wxGrid::SetColLabelAlignment( int horiz, int vert )
{
// allow old (incorrect) defs to be used
switch ( horiz )
{
case wxLEFT: horiz = wxALIGN_LEFT; break;
case wxRIGHT: horiz = wxALIGN_RIGHT; break;
case wxCENTRE: horiz = wxALIGN_CENTRE; break;
}
switch ( vert )
{
case wxTOP: vert = wxALIGN_TOP; break;
case wxBOTTOM: vert = wxALIGN_BOTTOM; break;
case wxCENTRE: vert = wxALIGN_CENTRE; break;
}
if ( horiz == wxALIGN_LEFT || horiz == wxALIGN_CENTRE || horiz == wxALIGN_RIGHT )
{
m_colLabelHorizAlign = horiz;
}
if ( vert == wxALIGN_TOP || vert == wxALIGN_CENTRE || vert == wxALIGN_BOTTOM )
{
m_colLabelVertAlign = vert;
}
if ( !GetBatchCount() )
{
m_colLabelWin->Refresh();
}
}
void wxGrid::SetRowLabelValue( int row, const wxString& s )
{
if ( m_table )
{
m_table->SetRowLabelValue( row, s );
if ( !GetBatchCount() )
{
wxRect rect = CellToRect( row, 0);
if ( rect.height > 0 )
{
CalcScrolledPosition(0, rect.y, &rect.x, &rect.y);
rect.x = 0;
rect.width = m_rowLabelWidth;
m_rowLabelWin->Refresh( TRUE, &rect );
}
}
}
}
void wxGrid::SetColLabelValue( int col, const wxString& s )
{
if ( m_table )
{
m_table->SetColLabelValue( col, s );
if ( !GetBatchCount() )
{
wxRect rect = CellToRect( 0, col );
if ( rect.width > 0 )
{
CalcScrolledPosition(rect.x, 0, &rect.x, &rect.y);
rect.y = 0;
rect.height = m_colLabelHeight;
m_colLabelWin->Refresh( TRUE, &rect );
}
}
}
}
void wxGrid::SetGridLineColour( const wxColour& colour )
{
if ( m_gridLineColour != colour )
{
m_gridLineColour = colour;
wxClientDC dc( m_gridWin );
PrepareDC( dc );
DrawAllGridLines( dc, wxRegion() );
}
}
void wxGrid::SetCellHighlightColour( const wxColour& colour )
{
if ( m_cellHighlightColour != colour )
{
m_cellHighlightColour = colour;
wxClientDC dc( m_gridWin );
PrepareDC( dc );
wxGridCellAttr* attr = GetCellAttr(m_currentCellCoords);
DrawCellHighlight(dc, attr);
attr->DecRef();
}
}
void wxGrid::SetCellHighlightPenWidth(int width)
{
if (m_cellHighlightPenWidth != width) {
m_cellHighlightPenWidth = width;
// Just redrawing the cell highlight is not enough since that won't
// make any visible change if the the thickness is getting smaller.
int row = m_currentCellCoords.GetRow();
int col = m_currentCellCoords.GetCol();
if ( GetColWidth(col) <= 0 || GetRowHeight(row) <= 0 )
return;
wxRect rect = CellToRect(row, col);
m_gridWin->Refresh(TRUE, &rect);
}
}
void wxGrid::SetCellHighlightROPenWidth(int width)
{
if (m_cellHighlightROPenWidth != width) {
m_cellHighlightROPenWidth = width;
// Just redrawing the cell highlight is not enough since that won't
// make any visible change if the the thickness is getting smaller.
int row = m_currentCellCoords.GetRow();
int col = m_currentCellCoords.GetCol();
if ( GetColWidth(col) <= 0 || GetRowHeight(row) <= 0 )
return;
wxRect rect = CellToRect(row, col);
m_gridWin->Refresh(TRUE, &rect);
}
}
void wxGrid::EnableGridLines( bool enable )
{
if ( enable != m_gridLinesEnabled )
{
m_gridLinesEnabled = enable;
if ( !GetBatchCount() )
{
if ( enable )
{
wxClientDC dc( m_gridWin );
PrepareDC( dc );
DrawAllGridLines( dc, wxRegion() );
}
else
{
m_gridWin->Refresh();
}
}
}
}
int wxGrid::GetDefaultRowSize()
{
return m_defaultRowHeight;
}
int wxGrid::GetRowSize( int row )
{
wxCHECK_MSG( row >= 0 && row < m_numRows, 0, _T("invalid row index") );
return GetRowHeight(row);
}
int wxGrid::GetDefaultColSize()
{
return m_defaultColWidth;
}
int wxGrid::GetColSize( int col )
{
wxCHECK_MSG( col >= 0 && col < m_numCols, 0, _T("invalid column index") );
return GetColWidth(col);
}
// ============================================================================
// access to the grid attributes: each of them has a default value in the grid
// itself and may be overidden on a per-cell basis
// ============================================================================
// ----------------------------------------------------------------------------
// setting default attributes
// ----------------------------------------------------------------------------
void wxGrid::SetDefaultCellBackgroundColour( const wxColour& col )
{
m_defaultCellAttr->SetBackgroundColour(col);
#ifdef __WXGTK__
m_gridWin->SetBackgroundColour(col);
#endif
}
void wxGrid::SetDefaultCellTextColour( const wxColour& col )
{
m_defaultCellAttr->SetTextColour(col);
}
void wxGrid::SetDefaultCellAlignment( int horiz, int vert )
{
m_defaultCellAttr->SetAlignment(horiz, vert);
}
void wxGrid::SetDefaultCellOverflow( bool allow )
{
m_defaultCellAttr->SetOverflow(allow);
}
void wxGrid::SetDefaultCellFont( const wxFont& font )
{
m_defaultCellAttr->SetFont(font);
}
void wxGrid::SetDefaultRenderer(wxGridCellRenderer *renderer)
{
m_defaultCellAttr->SetRenderer(renderer);
}
void wxGrid::SetDefaultEditor(wxGridCellEditor *editor)
{
m_defaultCellAttr->SetEditor(editor);
}
// ----------------------------------------------------------------------------
// access to the default attrbiutes
// ----------------------------------------------------------------------------
wxColour wxGrid::GetDefaultCellBackgroundColour()
{
return m_defaultCellAttr->GetBackgroundColour();
}
wxColour wxGrid::GetDefaultCellTextColour()
{
return m_defaultCellAttr->GetTextColour();
}
wxFont wxGrid::GetDefaultCellFont()
{
return m_defaultCellAttr->GetFont();
}
void wxGrid::GetDefaultCellAlignment( int *horiz, int *vert )
{
m_defaultCellAttr->GetAlignment(horiz, vert);
}
bool wxGrid::GetDefaultCellOverflow()
{
return m_defaultCellAttr->GetOverflow();
}
wxGridCellRenderer *wxGrid::GetDefaultRenderer() const
{
return m_defaultCellAttr->GetRenderer(NULL, 0, 0);
}
wxGridCellEditor *wxGrid::GetDefaultEditor() const
{
return m_defaultCellAttr->GetEditor(NULL,0,0);
}
// ----------------------------------------------------------------------------
// access to cell attributes
// ----------------------------------------------------------------------------
wxColour wxGrid::GetCellBackgroundColour(int row, int col)
{
wxGridCellAttr *attr = GetCellAttr(row, col);
wxColour colour = attr->GetBackgroundColour();
attr->DecRef();
return colour;
}
wxColour wxGrid::GetCellTextColour( int row, int col )
{
wxGridCellAttr *attr = GetCellAttr(row, col);
wxColour colour = attr->GetTextColour();
attr->DecRef();
return colour;
}
wxFont wxGrid::GetCellFont( int row, int col )
{
wxGridCellAttr *attr = GetCellAttr(row, col);
wxFont font = attr->GetFont();
attr->DecRef();
return font;
}
void wxGrid::GetCellAlignment( int row, int col, int *horiz, int *vert )
{
wxGridCellAttr *attr = GetCellAttr(row, col);
attr->GetAlignment(horiz, vert);
attr->DecRef();
}
bool wxGrid::GetCellOverflow( int row, int col )
{
wxGridCellAttr *attr = GetCellAttr(row, col);
bool allow = attr->GetOverflow();
attr->DecRef();
return allow;
}
void wxGrid::GetCellSize( int row, int col, int *num_rows, int *num_cols )
{
wxGridCellAttr *attr = GetCellAttr(row, col);
attr->GetSize( num_rows, num_cols );
attr->DecRef();
}
wxGridCellRenderer* wxGrid::GetCellRenderer(int row, int col)
{
wxGridCellAttr* attr = GetCellAttr(row, col);
wxGridCellRenderer* renderer = attr->GetRenderer(this, row, col);
attr->DecRef();
return renderer;
}
wxGridCellEditor* wxGrid::GetCellEditor(int row, int col)
{
wxGridCellAttr* attr = GetCellAttr(row, col);
wxGridCellEditor* editor = attr->GetEditor(this, row, col);
attr->DecRef();
return editor;
}
bool wxGrid::IsReadOnly(int row, int col) const
{
wxGridCellAttr* attr = GetCellAttr(row, col);
bool isReadOnly = attr->IsReadOnly();
attr->DecRef();
return isReadOnly;
}
// ----------------------------------------------------------------------------
// attribute support: cache, automatic provider creation, ...
// ----------------------------------------------------------------------------
bool wxGrid::CanHaveAttributes()
{
if ( !m_table )
{
return FALSE;
}
return m_table->CanHaveAttributes();
}
void wxGrid::ClearAttrCache()
{
if ( m_attrCache.row != -1 )
{
wxSafeDecRef(m_attrCache.attr);
m_attrCache.attr = NULL;
m_attrCache.row = -1;
}
}
void wxGrid::CacheAttr(int row, int col, wxGridCellAttr *attr) const
{
if ( attr != NULL )
{
wxGrid *self = (wxGrid *)this; // const_cast
self->ClearAttrCache();
self->m_attrCache.row = row;
self->m_attrCache.col = col;
self->m_attrCache.attr = attr;
wxSafeIncRef(attr);
}
}
bool wxGrid::LookupAttr(int row, int col, wxGridCellAttr **attr) const
{
if ( row == m_attrCache.row && col == m_attrCache.col )
{
*attr = m_attrCache.attr;
wxSafeIncRef(m_attrCache.attr);
#ifdef DEBUG_ATTR_CACHE
gs_nAttrCacheHits++;
#endif
return TRUE;
}
else
{
#ifdef DEBUG_ATTR_CACHE
gs_nAttrCacheMisses++;
#endif
return FALSE;
}
}
wxGridCellAttr *wxGrid::GetCellAttr(int row, int col) const
{
wxGridCellAttr *attr = NULL;
// Additional test to avoid looking at the cache e.g. for
// wxNoCellCoords, as this will confuse memory management.
if ( row >= 0 )
{
if ( !LookupAttr(row, col, &attr) )
{
attr = m_table ? m_table->GetAttr(row, col , wxGridCellAttr::Any)
: (wxGridCellAttr *)NULL;
CacheAttr(row, col, attr);
}
}
if (attr)
{
attr->SetDefAttr(m_defaultCellAttr);
}
else
{
attr = m_defaultCellAttr;
attr->IncRef();
}
return attr;
}
wxGridCellAttr *wxGrid::GetOrCreateCellAttr(int row, int col) const
{
wxGridCellAttr *attr = (wxGridCellAttr *)NULL;
wxCHECK_MSG( m_table, attr,
_T("we may only be called if CanHaveAttributes() returned TRUE and then m_table should be !NULL") );
attr = m_table->GetAttr(row, col, wxGridCellAttr::Cell);
if ( !attr )
{
attr = new wxGridCellAttr(m_defaultCellAttr);
// artificially inc the ref count to match DecRef() in caller
attr->IncRef();
m_table->SetAttr(attr, row, col);
}
return attr;
}
// ----------------------------------------------------------------------------
// setting column attributes (wrappers around SetColAttr)
// ----------------------------------------------------------------------------
void wxGrid::SetColFormatBool(int col)
{
SetColFormatCustom(col, wxGRID_VALUE_BOOL);
}
void wxGrid::SetColFormatNumber(int col)
{
SetColFormatCustom(col, wxGRID_VALUE_NUMBER);
}
void wxGrid::SetColFormatFloat(int col, int width, int precision)
{
wxString typeName = wxGRID_VALUE_FLOAT;
if ( (width != -1) || (precision != -1) )
{
typeName << _T(':') << width << _T(',') << precision;
}
SetColFormatCustom(col, typeName);
}
void wxGrid::SetColFormatCustom(int col, const wxString& typeName)
{
wxGridCellAttr *attr = (wxGridCellAttr *)NULL;
attr = m_table->GetAttr(-1, col, wxGridCellAttr::Col );
if(!attr)
attr = new wxGridCellAttr;
wxGridCellRenderer *renderer = GetDefaultRendererForType(typeName);
attr->SetRenderer(renderer);
SetColAttr(col, attr);
}
// ----------------------------------------------------------------------------
// setting cell attributes: this is forwarded to the table
// ----------------------------------------------------------------------------
void wxGrid::SetAttr(int row, int col, wxGridCellAttr *attr)
{
if ( CanHaveAttributes() )
{
m_table->SetAttr(attr, row, col);
ClearAttrCache();
}
else
{
wxSafeDecRef(attr);
}
}
void wxGrid::SetRowAttr(int row, wxGridCellAttr *attr)
{
if ( CanHaveAttributes() )
{
m_table->SetRowAttr(attr, row);
ClearAttrCache();
}
else
{
wxSafeDecRef(attr);
}
}
void wxGrid::SetColAttr(int col, wxGridCellAttr *attr)
{
if ( CanHaveAttributes() )
{
m_table->SetColAttr(attr, col);
ClearAttrCache();
}
else
{
wxSafeDecRef(attr);
}
}
void wxGrid::SetCellBackgroundColour( int row, int col, const wxColour& colour )
{
if ( CanHaveAttributes() )
{
wxGridCellAttr *attr = GetOrCreateCellAttr(row, col);
attr->SetBackgroundColour(colour);
attr->DecRef();
}
}
void wxGrid::SetCellTextColour( int row, int col, const wxColour& colour )
{
if ( CanHaveAttributes() )
{
wxGridCellAttr *attr = GetOrCreateCellAttr(row, col);
attr->SetTextColour(colour);
attr->DecRef();
}
}
void wxGrid::SetCellFont( int row, int col, const wxFont& font )
{
if ( CanHaveAttributes() )
{
wxGridCellAttr *attr = GetOrCreateCellAttr(row, col);
attr->SetFont(font);
attr->DecRef();
}
}
void wxGrid::SetCellAlignment( int row, int col, int horiz, int vert )
{
if ( CanHaveAttributes() )
{
wxGridCellAttr *attr = GetOrCreateCellAttr(row, col);
attr->SetAlignment(horiz, vert);
attr->DecRef();
}
}
void wxGrid::SetCellOverflow( int row, int col, bool allow )
{
if ( CanHaveAttributes() )
{
wxGridCellAttr *attr = GetOrCreateCellAttr(row, col);
attr->SetOverflow(allow);
attr->DecRef();
}
}
void wxGrid::SetCellSize( int row, int col, int num_rows, int num_cols )
{
if ( CanHaveAttributes() )
{
int cell_rows, cell_cols;
wxGridCellAttr *attr = GetOrCreateCellAttr(row, col);
attr->GetSize(&cell_rows, &cell_cols);
attr->SetSize(num_rows, num_cols);
attr->DecRef();
// Cannot set the size of a cell to 0 or negative values
// While it is perfectly legal to do that, this function cannot
// handle all the possibilies, do it by hand by getting the CellAttr.
// You can only set the size of a cell to 1,1 or greater with this fn
wxASSERT_MSG( !((cell_rows < 1) || (cell_cols < 1)),
wxT("wxGrid::SetCellSize setting cell size that is already part of another cell"));
wxASSERT_MSG( !((num_rows < 1) || (num_cols < 1)),
wxT("wxGrid::SetCellSize setting cell size to < 1"));
// if this was already a multicell then "turn off" the other cells first
if ((cell_rows > 1) || (cell_rows > 1))
{
int i, j;
for (j=row; j<row+cell_rows; j++)
{
for (i=col; i<col+cell_cols; i++)
{
if ((i != col) || (j != row))
{
wxGridCellAttr *attr_stub = GetOrCreateCellAttr(j, i);
attr_stub->SetSize( 1, 1 );
attr_stub->DecRef();
}
}
}
}
// mark the cells that will be covered by this cell to
// negative or zero values to point back at this cell
if (((num_rows > 1) || (num_cols > 1)) && (num_rows >= 1) && (num_cols >= 1))
{
int i, j;
for (j=row; j<row+num_rows; j++)
{
for (i=col; i<col+num_cols; i++)
{
if ((i != col) || (j != row))
{
wxGridCellAttr *attr_stub = GetOrCreateCellAttr(j, i);
attr_stub->SetSize( row-j, col-i );
attr_stub->DecRef();
}
}
}
}
}
}
void wxGrid::SetCellRenderer(int row, int col, wxGridCellRenderer *renderer)
{
if ( CanHaveAttributes() )
{
wxGridCellAttr *attr = GetOrCreateCellAttr(row, col);
attr->SetRenderer(renderer);
attr->DecRef();
}
}
void wxGrid::SetCellEditor(int row, int col, wxGridCellEditor* editor)
{
if ( CanHaveAttributes() )
{
wxGridCellAttr *attr = GetOrCreateCellAttr(row, col);
attr->SetEditor(editor);
attr->DecRef();
}
}
void wxGrid::SetReadOnly(int row, int col, bool isReadOnly)
{
if ( CanHaveAttributes() )
{
wxGridCellAttr *attr = GetOrCreateCellAttr(row, col);
attr->SetReadOnly(isReadOnly);
attr->DecRef();
}
}
// ----------------------------------------------------------------------------
// Data type registration
// ----------------------------------------------------------------------------
void wxGrid::RegisterDataType(const wxString& typeName,
wxGridCellRenderer* renderer,
wxGridCellEditor* editor)
{
m_typeRegistry->RegisterDataType(typeName, renderer, editor);
}
wxGridCellEditor* wxGrid::GetDefaultEditorForCell(int row, int col) const
{
wxString typeName = m_table->GetTypeName(row, col);
return GetDefaultEditorForType(typeName);
}
wxGridCellRenderer* wxGrid::GetDefaultRendererForCell(int row, int col) const
{
wxString typeName = m_table->GetTypeName(row, col);
return GetDefaultRendererForType(typeName);
}
wxGridCellEditor*
wxGrid::GetDefaultEditorForType(const wxString& typeName) const
{
int index = m_typeRegistry->FindOrCloneDataType(typeName);
if ( index == wxNOT_FOUND )
{
wxFAIL_MSG(wxT("Unknown data type name"));
return NULL;
}
return m_typeRegistry->GetEditor(index);
}
wxGridCellRenderer*
wxGrid::GetDefaultRendererForType(const wxString& typeName) const
{
int index = m_typeRegistry->FindOrCloneDataType(typeName);
if ( index == wxNOT_FOUND )
{
wxFAIL_MSG(wxT("Unknown data type name"));
return NULL;
}
return m_typeRegistry->GetRenderer(index);
}
// ----------------------------------------------------------------------------
// row/col size
// ----------------------------------------------------------------------------
void wxGrid::EnableDragRowSize( bool enable )
{
m_canDragRowSize = enable;
}
void wxGrid::EnableDragColSize( bool enable )
{
m_canDragColSize = enable;
}
void wxGrid::EnableDragGridSize( bool enable )
{
m_canDragGridSize = enable;
}
void wxGrid::SetDefaultRowSize( int height, bool resizeExistingRows )
{
m_defaultRowHeight = wxMax( height, WXGRID_MIN_ROW_HEIGHT );
if ( resizeExistingRows )
{
// since we are resizing all rows to the default row size,
// we can simply clear the row heights and row bottoms
// arrays (which also allows us to take advantage of
// some speed optimisations)
m_rowHeights.Empty();
m_rowBottoms.Empty();
if ( !GetBatchCount() )
CalcDimensions();
}
}
void wxGrid::SetRowSize( int row, int height )
{
wxCHECK_RET( row >= 0 && row < m_numRows, _T("invalid row index") );
if ( m_rowHeights.IsEmpty() )
{
// need to really create the array
InitRowHeights();
}
int h = wxMax( 0, height );
int diff = h - m_rowHeights[row];
m_rowHeights[row] = h;
int i;
for ( i = row; i < m_numRows; i++ )
{
m_rowBottoms[i] += diff;
}
if ( !GetBatchCount() )
CalcDimensions();
}
void wxGrid::SetDefaultColSize( int width, bool resizeExistingCols )
{
m_defaultColWidth = wxMax( width, WXGRID_MIN_COL_WIDTH );
if ( resizeExistingCols )
{
// since we are resizing all columns to the default column size,
// we can simply clear the col widths and col rights
// arrays (which also allows us to take advantage of
// some speed optimisations)
m_colWidths.Empty();
m_colRights.Empty();
if ( !GetBatchCount() )
CalcDimensions();
}
}
void wxGrid::SetColSize( int col, int width )
{
wxCHECK_RET( col >= 0 && col < m_numCols, _T("invalid column index") );
// should we check that it's bigger than GetColMinimalWidth(col) here?
if ( m_colWidths.IsEmpty() )
{
// need to really create the array
InitColWidths();
}
int w = wxMax( 0, width );
int diff = w - m_colWidths[col];
m_colWidths[col] = w;
int i;
for ( i = col; i < m_numCols; i++ )
{
m_colRights[i] += diff;
}
if ( !GetBatchCount() )
CalcDimensions();
}
void wxGrid::SetColMinimalWidth( int col, int width )
{
m_colMinWidths.Put(col, width);
}
void wxGrid::SetRowMinimalHeight( int row, int width )
{
m_rowMinHeights.Put(row, width);
}
int wxGrid::GetColMinimalWidth(int col) const
{
long value = m_colMinWidths.Get(col);
return value != wxNOT_FOUND ? (int)value : WXGRID_MIN_COL_WIDTH;
}
int wxGrid::GetRowMinimalHeight(int row) const
{
long value = m_rowMinHeights.Get(row);
return value != wxNOT_FOUND ? (int)value : WXGRID_MIN_ROW_HEIGHT;
}
// ----------------------------------------------------------------------------
// auto sizing
// ----------------------------------------------------------------------------
void wxGrid::AutoSizeColOrRow( int colOrRow, bool setAsMin, bool column )
{
wxClientDC dc(m_gridWin);
// init both of them to avoid compiler warnings, even if weo nly need one
int row = -1,
col = -1;
if ( column )
col = colOrRow;
else
row = colOrRow;
wxCoord extent, extentMax = 0;
int max = column ? m_numRows : m_numCols;
for ( int rowOrCol = 0; rowOrCol < max; rowOrCol++ )
{
if ( column )
row = rowOrCol;
else
col = rowOrCol;
wxGridCellAttr* attr = GetCellAttr(row, col);
wxGridCellRenderer* renderer = attr->GetRenderer(this, row, col);
if ( renderer )
{
wxSize size = renderer->GetBestSize(*this, *attr, dc, row, col);
extent = column ? size.x : size.y;
if ( extent > extentMax )
{
extentMax = extent;
}
renderer->DecRef();
}
attr->DecRef();
}
// now also compare with the column label extent
wxCoord w, h;
dc.SetFont( GetLabelFont() );
if ( column )
dc.GetTextExtent( GetColLabelValue(col), &w, &h );
else
dc.GetTextExtent( GetRowLabelValue(row), &w, &h );
extent = column ? w : h;
if ( extent > extentMax )
{
extentMax = extent;
}
if ( !extentMax )
{
// empty column - give default extent (notice that if extentMax is less
// than default extent but != 0, it's ok)
extentMax = column ? m_defaultColWidth : m_defaultRowHeight;
}
else
{
if ( column )
{
// leave some space around text
extentMax += 10;
}
else
{
extentMax += 6;
}
}
if ( column )
{
SetColSize(col, extentMax);
if ( !GetBatchCount() )
{
int cw, ch, dummy;
m_gridWin->GetClientSize( &cw, &ch );
wxRect rect ( CellToRect( 0, col ) );
rect.y = 0;
CalcScrolledPosition(rect.x, 0, &rect.x, &dummy);
rect.width = cw - rect.x;
rect.height = m_colLabelHeight;
m_colLabelWin->Refresh( TRUE, &rect );
}
}
else
{
SetRowSize(row, extentMax);
if ( !GetBatchCount() )
{
int cw, ch, dummy;
m_gridWin->GetClientSize( &cw, &ch );
wxRect rect ( CellToRect( row, 0 ) );
rect.x = 0;
CalcScrolledPosition(0, rect.y, &dummy, &rect.y);
rect.width = m_rowLabelWidth;
rect.height = ch - rect.y;
m_rowLabelWin->Refresh( TRUE, &rect );
}
}
if ( setAsMin )
{
if ( column )
SetColMinimalWidth(col, extentMax);
else
SetRowMinimalHeight(row, extentMax);
}
}
int wxGrid::SetOrCalcColumnSizes(bool calcOnly, bool setAsMin)
{
int width = m_rowLabelWidth;
if ( !calcOnly )
BeginBatch();
for ( int col = 0; col < m_numCols; col++ )
{
if ( !calcOnly )
{
AutoSizeColumn(col, setAsMin);
}
width += GetColWidth(col);
}
if ( !calcOnly )
EndBatch();
return width;
}
int wxGrid::SetOrCalcRowSizes(bool calcOnly, bool setAsMin)
{
int height = m_colLabelHeight;
if ( !calcOnly )
BeginBatch();
for ( int row = 0; row < m_numRows; row++ )
{
if ( !calcOnly )
{
AutoSizeRow(row, setAsMin);
}
height += GetRowHeight(row);
}
if ( !calcOnly )
EndBatch();
return height;
}
void wxGrid::AutoSize()
{
BeginBatch();
wxSize size(SetOrCalcColumnSizes(FALSE), SetOrCalcRowSizes(FALSE));
// round up the size to a multiple of scroll step - this ensures that we
// won't get the scrollbars if we're sized exactly to this width
// CalcDimension adds m_extraWidth + 1 etc. to calculate the necessary
// scrollbar steps
wxSize sizeFit(GetScrollX(size.x + m_extraWidth + 1) * GRID_SCROLL_LINE_X,
GetScrollY(size.y + m_extraHeight + 1) * GRID_SCROLL_LINE_Y);
// distribute the extra space between the columns/rows to avoid having
// extra white space
// Remove the extra m_extraWidth + 1 added above
wxCoord diff = sizeFit.x - size.x + (m_extraWidth + 1);
if ( diff && m_numCols )
{
// try to resize the columns uniformly
wxCoord diffPerCol = diff / m_numCols;
if ( diffPerCol )
{
for ( int col = 0; col < m_numCols; col++ )
{
SetColSize(col, GetColWidth(col) + diffPerCol);
}
}
// add remaining amount to the last columns
diff -= diffPerCol * m_numCols;
if ( diff )
{
for ( int col = m_numCols - 1; col >= m_numCols - diff; col-- )
{
SetColSize(col, GetColWidth(col) + 1);
}
}
}
// same for rows
diff = sizeFit.y - size.y - (m_extraHeight + 1);
if ( diff && m_numRows )
{
// try to resize the columns uniformly
wxCoord diffPerRow = diff / m_numRows;
if ( diffPerRow )
{
for ( int row = 0; row < m_numRows; row++ )
{
SetRowSize(row, GetRowHeight(row) + diffPerRow);
}
}
// add remaining amount to the last rows
diff -= diffPerRow * m_numRows;
if ( diff )
{
for ( int row = m_numRows - 1; row >= m_numRows - diff; row-- )
{
SetRowSize(row, GetRowHeight(row) + 1);
}
}
}
EndBatch();
SetClientSize(sizeFit);
}
wxSize wxGrid::DoGetBestSize() const
{
// don't set sizes, only calculate them
wxGrid *self = (wxGrid *)this; // const_cast
int width, height;
width = self->SetOrCalcColumnSizes(TRUE);
height = self->SetOrCalcRowSizes(TRUE);
int maxwidth, maxheight;
wxDisplaySize( & maxwidth, & maxheight );
if ( width > maxwidth ) width = maxwidth;
if ( height > maxheight ) height = maxheight;
return wxSize( width, height );
}
void wxGrid::Fit()
{
AutoSize();
}
wxPen& wxGrid::GetDividerPen() const
{
return wxNullPen;
}
// ----------------------------------------------------------------------------
// cell value accessor functions
// ----------------------------------------------------------------------------
void wxGrid::SetCellValue( int row, int col, const wxString& s )
{
if ( m_table )
{
m_table->SetValue( row, col, s );
if ( !GetBatchCount() )
{
int dummy;
wxRect rect( CellToRect( row, col ) );
rect.x = 0;
rect.width = m_gridWin->GetClientSize().GetWidth();
CalcScrolledPosition(0, rect.y, &dummy, &rect.y);
m_gridWin->Refresh( FALSE, &rect );
}
if ( m_currentCellCoords.GetRow() == row &&
m_currentCellCoords.GetCol() == col &&
IsCellEditControlShown())
// Note: If we are using IsCellEditControlEnabled,
// this interacts badly with calling SetCellValue from
// an EVT_GRID_CELL_CHANGE handler.
{
HideCellEditControl();
ShowCellEditControl(); // will reread data from table
}
}
}
//
// ------ Block, row and col selection
//
void wxGrid::SelectRow( int row, bool addToSelected )
{
if ( IsSelection() && !addToSelected )
ClearSelection();
if ( m_selection )
m_selection->SelectRow( row, FALSE, addToSelected );
}
void wxGrid::SelectCol( int col, bool addToSelected )
{
if ( IsSelection() && !addToSelected )
ClearSelection();
if ( m_selection )
m_selection->SelectCol( col, FALSE, addToSelected );
}
void wxGrid::SelectBlock( int topRow, int leftCol, int bottomRow, int rightCol,
bool addToSelected )
{
if ( IsSelection() && !addToSelected )
ClearSelection();
if ( m_selection )
m_selection->SelectBlock( topRow, leftCol, bottomRow, rightCol,
FALSE, addToSelected );
}
void wxGrid::SelectAll()
{
if ( m_numRows > 0 && m_numCols > 0 )
{
if ( m_selection )
m_selection->SelectBlock( 0, 0, m_numRows-1, m_numCols-1 );
}
}
//
// ------ Cell, row and col deselection
//
void wxGrid::DeselectRow( int row )
{
if ( !m_selection )
return;
if ( m_selection->GetSelectionMode() == wxGrid::wxGridSelectRows )
{
if ( m_selection->IsInSelection(row, 0 ) )
m_selection->ToggleCellSelection( row, 0);
}
else
{
int nCols = GetNumberCols();
for ( int i = 0; i < nCols ; i++ )
{
if ( m_selection->IsInSelection(row, i ) )
m_selection->ToggleCellSelection( row, i);
}
}
}
void wxGrid::DeselectCol( int col )
{
if ( !m_selection )
return;
if ( m_selection->GetSelectionMode() == wxGrid::wxGridSelectColumns )
{
if ( m_selection->IsInSelection(0, col ) )
m_selection->ToggleCellSelection( 0, col);
}
else
{
int nRows = GetNumberRows();
for ( int i = 0; i < nRows ; i++ )
{
if ( m_selection->IsInSelection(i, col ) )
m_selection->ToggleCellSelection(i, col);
}
}
}
void wxGrid::DeselectCell( int row, int col )
{
if ( m_selection && m_selection->IsInSelection(row, col) )
m_selection->ToggleCellSelection(row, col);
}
bool wxGrid::IsSelection()
{
return ( m_selection && (m_selection->IsSelection() ||
( m_selectingTopLeft != wxGridNoCellCoords &&
m_selectingBottomRight != wxGridNoCellCoords) ) );
}
bool wxGrid::IsInSelection( int row, int col ) const
{
return ( m_selection && (m_selection->IsInSelection( row, col ) ||
( row >= m_selectingTopLeft.GetRow() &&
col >= m_selectingTopLeft.GetCol() &&
row <= m_selectingBottomRight.GetRow() &&
col <= m_selectingBottomRight.GetCol() )) );
}
wxGridCellCoordsArray wxGrid::GetSelectedCells() const
{
if (!m_selection) { wxGridCellCoordsArray a; return a; }
return m_selection->m_cellSelection;
}
wxGridCellCoordsArray wxGrid::GetSelectionBlockTopLeft() const
{
if (!m_selection) { wxGridCellCoordsArray a; return a; }
return m_selection->m_blockSelectionTopLeft;
}
wxGridCellCoordsArray wxGrid::GetSelectionBlockBottomRight() const
{
if (!m_selection) { wxGridCellCoordsArray a; return a; }
return m_selection->m_blockSelectionBottomRight;
}
wxArrayInt wxGrid::GetSelectedRows() const
{
if (!m_selection) { wxArrayInt a; return a; }
return m_selection->m_rowSelection;
}
wxArrayInt wxGrid::GetSelectedCols() const
{
if (!m_selection) { wxArrayInt a; return a; }
return m_selection->m_colSelection;
}
void wxGrid::ClearSelection()
{
m_selectingTopLeft = wxGridNoCellCoords;
m_selectingBottomRight = wxGridNoCellCoords;
if ( m_selection )
m_selection->ClearSelection();
}
// This function returns the rectangle that encloses the given block
// in device coords clipped to the client size of the grid window.
//
wxRect wxGrid::BlockToDeviceRect( const wxGridCellCoords &topLeft,
const wxGridCellCoords &bottomRight )
{
wxRect rect( wxGridNoCellRect );
wxRect cellRect;
cellRect = CellToRect( topLeft );
if ( cellRect != wxGridNoCellRect )
{
rect = cellRect;
}
else
{
rect = wxRect( 0, 0, 0, 0 );
}
cellRect = CellToRect( bottomRight );
if ( cellRect != wxGridNoCellRect )
{
rect += cellRect;
}
else
{
return wxGridNoCellRect;
}
int i, j;
int left = rect.GetLeft();
int top = rect.GetTop();
int right = rect.GetRight();
int bottom = rect.GetBottom();
int leftCol = topLeft.GetCol();
int topRow = topLeft.GetRow();
int rightCol = bottomRight.GetCol();
int bottomRow = bottomRight.GetRow();
if (left > right)
{
i = left;
left = right;
right = i;
i = leftCol;
leftCol=rightCol;
rightCol = i;
}
if (top > bottom)
{
i = top;
top = bottom;
bottom = i;
i = topRow;
topRow = bottomRow;
bottomRow = i;
}
for ( j = topRow; j <= bottomRow; j++ )
{
for ( i = leftCol; i <= rightCol; i++ )
{
if ((j==topRow) || (j==bottomRow) || (i==leftCol) || (i==rightCol))
{
cellRect = CellToRect( j, i );
if (cellRect.x < left)
left = cellRect.x;
if (cellRect.y < top)
top = cellRect.y;
if (cellRect.x + cellRect.width > right)
right = cellRect.x + cellRect.width;
if (cellRect.y + cellRect.height > bottom)
bottom = cellRect.y + cellRect.height;
}
else i = rightCol; // jump over inner cells.
}
}
// convert to scrolled coords
//
CalcScrolledPosition( left, top, &left, &top );
CalcScrolledPosition( right, bottom, &right, &bottom );
int cw, ch;
m_gridWin->GetClientSize( &cw, &ch );
if (right < 0 || bottom < 0 || left > cw || top > ch)
return wxRect( 0, 0, 0, 0);
rect.SetLeft( wxMax(0, left) );
rect.SetTop( wxMax(0, top) );
rect.SetRight( wxMin(cw, right) );
rect.SetBottom( wxMin(ch, bottom) );
return rect;
}
//
// ------ Grid event classes
//
IMPLEMENT_DYNAMIC_CLASS( wxGridEvent, wxNotifyEvent )
wxGridEvent::wxGridEvent( int id, wxEventType type, wxObject* obj,
int row, int col, int x, int y, bool sel,
bool control, bool shift, bool alt, bool meta )
: wxNotifyEvent( type, id )
{
m_row = row;
m_col = col;
m_x = x;
m_y = y;
m_selecting = sel;
m_control = control;
m_shift = shift;
m_alt = alt;
m_meta = meta;
SetEventObject(obj);
}
IMPLEMENT_DYNAMIC_CLASS( wxGridSizeEvent, wxNotifyEvent )
wxGridSizeEvent::wxGridSizeEvent( int id, wxEventType type, wxObject* obj,
int rowOrCol, int x, int y,
bool control, bool shift, bool alt, bool meta )
: wxNotifyEvent( type, id )
{
m_rowOrCol = rowOrCol;
m_x = x;
m_y = y;
m_control = control;
m_shift = shift;
m_alt = alt;
m_meta = meta;
SetEventObject(obj);
}
IMPLEMENT_DYNAMIC_CLASS( wxGridRangeSelectEvent, wxNotifyEvent )
wxGridRangeSelectEvent::wxGridRangeSelectEvent(int id, wxEventType type, wxObject* obj,
const wxGridCellCoords& topLeft,
const wxGridCellCoords& bottomRight,
bool sel, bool control,
bool shift, bool alt, bool meta )
: wxNotifyEvent( type, id )
{
m_topLeft = topLeft;
m_bottomRight = bottomRight;
m_selecting = sel;
m_control = control;
m_shift = shift;
m_alt = alt;
m_meta = meta;
SetEventObject(obj);
}
IMPLEMENT_DYNAMIC_CLASS(wxGridEditorCreatedEvent, wxCommandEvent)
wxGridEditorCreatedEvent::wxGridEditorCreatedEvent(int id, wxEventType type,
wxObject* obj, int row,
int col, wxControl* ctrl)
: wxCommandEvent(type, id)
{
SetEventObject(obj);
m_row = row;
m_col = col;
m_ctrl = ctrl;
}
#endif // !wxUSE_NEW_GRID/wxUSE_NEW_GRID
#endif // wxUSE_GRID