home
***
CD-ROM
|
disk
|
FTP
|
other
***
search
/
OS/2 Shareware BBS: 10 Tools
/
10-Tools.zip
/
wxos2240.zip
/
wxWindows-2.4.0
/
src
/
common
/
tbarbase.cpp
< prev
next >
Wrap
C/C++ Source or Header
|
2002-06-02
|
18KB
|
653 lines
/////////////////////////////////////////////////////////////////////////////
// Name: common/tbarbase.cpp
// Purpose: wxToolBarBase implementation
// Author: Julian Smart
// Modified by: VZ at 11.12.99 (wxScrollableToolBar splitted off)
// Created: 04/01/98
// RCS-ID: $Id: tbarbase.cpp,v 1.46 2002/06/02 10:57:13 RR Exp $
// Copyright: (c) Julian Smart and Markus Holzem
// Licence: wxWindows license
/////////////////////////////////////////////////////////////////////////////
// ============================================================================
// declarations
// ============================================================================
// ----------------------------------------------------------------------------
// headers
// ----------------------------------------------------------------------------
#ifdef __GNUG__
#pragma implementation "tbarbase.h"
#endif
// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
#ifdef __BORLANDC__
#pragma hdrstop
#endif
#if wxUSE_TOOLBAR
#ifndef WX_PRECOMP
#include "wx/control.h"
#endif
#include "wx/frame.h"
#include "wx/image.h"
#include "wx/settings.h"
#include "wx/tbarbase.h"
// ----------------------------------------------------------------------------
// wxWindows macros
// ----------------------------------------------------------------------------
IMPLEMENT_CLASS(wxToolBarBase, wxControl)
BEGIN_EVENT_TABLE(wxToolBarBase, wxControl)
EVT_IDLE(wxToolBarBase::OnIdle)
END_EVENT_TABLE()
#include "wx/listimpl.cpp"
WX_DEFINE_LIST(wxToolBarToolsList);
// ============================================================================
// implementation
// ============================================================================
// ----------------------------------------------------------------------------
// wxToolBarToolBase
// ----------------------------------------------------------------------------
bool wxToolBarToolBase::Enable(bool enable)
{
if ( m_enabled == enable )
return FALSE;
m_enabled = enable;
return TRUE;
}
bool wxToolBarToolBase::Toggle(bool toggle)
{
wxASSERT_MSG( CanBeToggled(), _T("can't toggle this tool") );
if ( m_toggled == toggle )
return FALSE;
m_toggled = toggle;
return TRUE;
}
bool wxToolBarToolBase::SetToggle(bool toggle)
{
wxItemKind kind = toggle ? wxITEM_CHECK : wxITEM_NORMAL;
if ( m_kind == kind )
return FALSE;
m_kind = kind;
return TRUE;
}
bool wxToolBarToolBase::SetShortHelp(const wxString& help)
{
if ( m_shortHelpString == help )
return FALSE;
m_shortHelpString = help;
return TRUE;
}
bool wxToolBarToolBase::SetLongHelp(const wxString& help)
{
if ( m_longHelpString == help )
return FALSE;
m_longHelpString = help;
return TRUE;
}
wxToolBarToolBase::~wxToolBarToolBase()
{
}
// ----------------------------------------------------------------------------
// wxToolBarBase adding/deleting items
// ----------------------------------------------------------------------------
wxToolBarBase::wxToolBarBase()
{
// the list owns the pointers
m_tools.DeleteContents(TRUE);
m_xMargin = m_yMargin = 0;
m_maxRows = m_maxCols = 0;
}
wxToolBarToolBase *wxToolBarBase::DoAddTool(int id,
const wxString& label,
const wxBitmap& bitmap,
const wxBitmap& bmpDisabled,
wxItemKind kind,
const wxString& shortHelp,
const wxString& longHelp,
wxObject *clientData,
wxCoord WXUNUSED(xPos),
wxCoord WXUNUSED(yPos))
{
return InsertTool(GetToolsCount(), id, label, bitmap, bmpDisabled,
kind, shortHelp, longHelp, clientData);
}
wxToolBarToolBase *wxToolBarBase::InsertTool(size_t pos,
int id,
const wxString& label,
const wxBitmap& bitmap,
const wxBitmap& bmpDisabled,
wxItemKind kind,
const wxString& shortHelp,
const wxString& longHelp,
wxObject *clientData)
{
wxCHECK_MSG( pos <= GetToolsCount(), (wxToolBarToolBase *)NULL,
_T("invalid position in wxToolBar::InsertTool()") );
wxToolBarToolBase *tool = CreateTool(id, label, bitmap, bmpDisabled, kind,
clientData, shortHelp, longHelp);
if ( !tool || !DoInsertTool(pos, tool) )
{
delete tool;
return NULL;
}
m_tools.Insert(pos, tool);
return tool;
}
wxToolBarToolBase *wxToolBarBase::AddControl(wxControl *control)
{
return InsertControl(GetToolsCount(), control);
}
wxToolBarToolBase *wxToolBarBase::InsertControl(size_t pos, wxControl *control)
{
wxCHECK_MSG( control, (wxToolBarToolBase *)NULL,
_T("toolbar: can't insert NULL control") );
wxCHECK_MSG( control->GetParent() == this, (wxToolBarToolBase *)NULL,
_T("control must have toolbar as parent") );
wxCHECK_MSG( pos <= GetToolsCount(), (wxToolBarToolBase *)NULL,
_T("invalid position in wxToolBar::InsertControl()") );
wxToolBarToolBase *tool = CreateTool(control);
if ( !tool || !DoInsertTool(pos, tool) )
{
delete tool;
return NULL;
}
m_tools.Insert(pos, tool);
return tool;
}
wxControl *wxToolBarBase::FindControl( int id )
{
for ( wxToolBarToolsList::Node* node = m_tools.GetFirst();
node;
node = node->GetNext() )
{
wxControl *control = node->GetData()->GetControl();
if (control)
{
if (control->GetId() == id)
return control;
}
}
return NULL;
}
wxToolBarToolBase *wxToolBarBase::AddSeparator()
{
return InsertSeparator(GetToolsCount());
}
wxToolBarToolBase *wxToolBarBase::InsertSeparator(size_t pos)
{
wxCHECK_MSG( pos <= GetToolsCount(), (wxToolBarToolBase *)NULL,
_T("invalid position in wxToolBar::InsertSeparator()") );
wxToolBarToolBase *tool = CreateTool(wxID_SEPARATOR,
wxEmptyString,
wxNullBitmap, wxNullBitmap,
wxITEM_SEPARATOR, (wxObject *)NULL,
wxEmptyString, wxEmptyString);
if ( !tool || !DoInsertTool(pos, tool) )
{
delete tool;
return NULL;
}
m_tools.Insert(pos, tool);
return tool;
}
wxToolBarToolBase *wxToolBarBase::RemoveTool(int id)
{
size_t pos = 0;
wxToolBarToolsList::Node *node;
for ( node = m_tools.GetFirst(); node; node = node->GetNext() )
{
if ( node->GetData()->GetId() == id )
break;
pos++;
}
if ( !node )
{
// don't give any error messages - sometimes we might call RemoveTool()
// without knowing whether the tool is or not in the toolbar
return (wxToolBarToolBase *)NULL;
}
wxToolBarToolBase *tool = node->GetData();
if ( !DoDeleteTool(pos, tool) )
{
return (wxToolBarToolBase *)NULL;
}
// the node would delete the data, so set it to NULL to avoid this
node->SetData(NULL);
m_tools.DeleteNode(node);
return tool;
}
bool wxToolBarBase::DeleteToolByPos(size_t pos)
{
wxCHECK_MSG( pos < GetToolsCount(), FALSE,
_T("invalid position in wxToolBar::DeleteToolByPos()") );
wxToolBarToolsList::Node *node = m_tools.Item(pos);
if ( !DoDeleteTool(pos, node->GetData()) )
{
return FALSE;
}
m_tools.DeleteNode(node);
return TRUE;
}
bool wxToolBarBase::DeleteTool(int id)
{
size_t pos = 0;
wxToolBarToolsList::Node *node;
for ( node = m_tools.GetFirst(); node; node = node->GetNext() )
{
if ( node->GetData()->GetId() == id )
break;
pos++;
}
if ( !node || !DoDeleteTool(pos, node->GetData()) )
{
return FALSE;
}
m_tools.DeleteNode(node);
return TRUE;
}
wxToolBarToolBase *wxToolBarBase::FindById(int id) const
{
wxToolBarToolBase *tool = (wxToolBarToolBase *)NULL;
for ( wxToolBarToolsList::Node *node = m_tools.GetFirst();
node;
node = node->GetNext() )
{
tool = node->GetData();
if ( tool->GetId() == id )
{
// found
break;
}
tool = NULL;
}
return tool;
}
void wxToolBarBase::ClearTools()
{
m_tools.Clear();
}
bool wxToolBarBase::Realize()
{
return TRUE;
}
wxToolBarBase::~wxToolBarBase()
{
}
// ----------------------------------------------------------------------------
// wxToolBarBase tools state
// ----------------------------------------------------------------------------
void wxToolBarBase::EnableTool(int id, bool enable)
{
wxToolBarToolBase *tool = FindById(id);
if ( tool )
{
if ( tool->Enable(enable) )
{
DoEnableTool(tool, enable);
}
}
}
void wxToolBarBase::ToggleTool(int id, bool toggle)
{
wxToolBarToolBase *tool = FindById(id);
if ( tool && tool->CanBeToggled() )
{
if ( tool->Toggle(toggle) )
{
DoToggleTool(tool, toggle);
}
}
}
void wxToolBarBase::SetToggle(int id, bool toggle)
{
wxToolBarToolBase *tool = FindById(id);
if ( tool )
{
if ( tool->SetToggle(toggle) )
{
DoSetToggle(tool, toggle);
}
}
}
void wxToolBarBase::SetToolShortHelp(int id, const wxString& help)
{
wxToolBarToolBase *tool = FindById(id);
if ( tool )
{
(void)tool->SetShortHelp(help);
}
}
void wxToolBarBase::SetToolLongHelp(int id, const wxString& help)
{
wxToolBarToolBase *tool = FindById(id);
if ( tool )
{
(void)tool->SetLongHelp(help);
}
}
wxObject *wxToolBarBase::GetToolClientData(int id) const
{
wxToolBarToolBase *tool = FindById(id);
return tool ? tool->GetClientData() : (wxObject *)NULL;
}
void wxToolBarBase::SetToolClientData(int id, wxObject *clientData)
{
wxToolBarToolBase *tool = FindById(id);
wxCHECK_RET( tool, _T("no such tool in wxToolBar::SetToolClientData") );
tool->SetClientData(clientData);
}
bool wxToolBarBase::GetToolState(int id) const
{
wxToolBarToolBase *tool = FindById(id);
wxCHECK_MSG( tool, FALSE, _T("no such tool") );
return tool->IsToggled();
}
bool wxToolBarBase::GetToolEnabled(int id) const
{
wxToolBarToolBase *tool = FindById(id);
wxCHECK_MSG( tool, FALSE, _T("no such tool") );
return tool->IsEnabled();
}
wxString wxToolBarBase::GetToolShortHelp(int id) const
{
wxToolBarToolBase *tool = FindById(id);
wxCHECK_MSG( tool, _T(""), _T("no such tool") );
return tool->GetShortHelp();
}
wxString wxToolBarBase::GetToolLongHelp(int id) const
{
wxToolBarToolBase *tool = FindById(id);
wxCHECK_MSG( tool, _T(""), _T("no such tool") );
return tool->GetLongHelp();
}
// ----------------------------------------------------------------------------
// wxToolBarBase geometry
// ----------------------------------------------------------------------------
void wxToolBarBase::SetMargins(int x, int y)
{
m_xMargin = x;
m_yMargin = y;
}
void wxToolBarBase::SetRows(int WXUNUSED(nRows))
{
// nothing
}
// ----------------------------------------------------------------------------
// event processing
// ----------------------------------------------------------------------------
// Only allow toggle if returns TRUE
bool wxToolBarBase::OnLeftClick(int id, bool toggleDown)
{
wxCommandEvent event(wxEVT_COMMAND_TOOL_CLICKED, id);
event.SetEventObject(this);
// we use SetInt() to make wxCommandEvent::IsChecked() return toggleDown
event.SetInt((int)toggleDown);
// and SetExtraLong() for backwards compatibility
event.SetExtraLong((long)toggleDown);
// Send events to this toolbar instead (and thence up the window hierarchy)
GetEventHandler()->ProcessEvent(event);
return TRUE;
}
// Call when right button down.
void wxToolBarBase::OnRightClick(int id,
long WXUNUSED(x),
long WXUNUSED(y))
{
wxCommandEvent event(wxEVT_COMMAND_TOOL_RCLICKED, id);
event.SetEventObject(this);
event.SetInt(id);
GetEventHandler()->ProcessEvent(event);
}
// Called when the mouse cursor enters a tool bitmap (no button pressed).
// Argument is -1 if mouse is exiting the toolbar.
// Note that for this event, the id of the window is used,
// and the integer parameter of wxCommandEvent is used to retrieve
// the tool id.
void wxToolBarBase::OnMouseEnter(int id)
{
wxCommandEvent event(wxEVT_COMMAND_TOOL_ENTER, GetId());
event.SetEventObject(this);
event.SetInt(id);
wxFrame *frame = wxDynamicCast(GetParent(), wxFrame);
if( frame )
{
wxToolBarToolBase* tool = id == -1 ? (wxToolBarToolBase*)0 : FindById(id);
wxString help = tool ? tool->GetLongHelp() : wxString();
frame->DoGiveHelp( help, id != -1 );
}
(void)GetEventHandler()->ProcessEvent(event);
}
// ----------------------------------------------------------------------------
// UI updates
// ----------------------------------------------------------------------------
void wxToolBarBase::OnIdle(wxIdleEvent& event)
{
DoToolbarUpdates();
event.Skip();
}
// Do the toolbar button updates (check for EVT_UPDATE_UI handlers)
void wxToolBarBase::DoToolbarUpdates()
{
wxWindow* parent = this;
while (parent->GetParent())
parent = parent->GetParent();
// This kind of #ifdef is a good way to annoy people. It breaks
// apps, but only on one platform and due to a hack in officially
// platform independent code. It took me hours to fix this. RR.
//
// #ifdef __WXMSW__
// wxWindow* focusWin = wxFindFocusDescendant(parent);
// #else
wxWindow* focusWin = (wxWindow*) NULL;
// #endif
wxEvtHandler* evtHandler = focusWin ? focusWin->GetEventHandler() : GetEventHandler() ;
for ( wxToolBarToolsList::Node* node = m_tools.GetFirst();
node;
node = node->GetNext() )
{
int id = node->GetData()->GetId();
wxUpdateUIEvent event(id);
event.SetEventObject(this);
if ( evtHandler->ProcessEvent(event) )
{
if ( event.GetSetEnabled() )
EnableTool(id, event.GetEnabled());
if ( event.GetSetChecked() )
ToggleTool(id, event.GetChecked());
#if 0
if ( event.GetSetText() )
// Set tooltip?
#endif // 0
}
}
}
// Helper function, used by wxCreateGreyedImage
static void wxGreyOutImage( const wxImage& src,
wxImage& dest,
const wxColour& darkCol,
const wxColour& lightCol,
const wxColour& bgCol )
{
// Second attempt, just making things monochrome
int width = src.GetWidth();
int height = src.GetHeight();
int redCur, greenCur, blueCur;
for ( int x = 0; x < width; x++ )
{
for ( int y = 1; y < height; y++ )
{
redCur = src.GetRed(x, y);
greenCur = src.GetGreen(x, y);
blueCur = src.GetBlue(x, y);
// Change light things to the background colour
if ( redCur >= (lightCol.Red() - 50) && greenCur >= (lightCol.Green() - 50) && blueCur >= (lightCol.Blue() - 50) )
{
dest.SetRGB(x,y, bgCol.Red(), bgCol.Green(), bgCol.Blue());
}
else if ( redCur == bgCol.Red() && greenCur == bgCol.Green() && blueCur == bgCol.Blue() )
{
// Leave the background colour as-is
// dest.SetRGB(x,y, bgCol.Red(), bgCol.Green(), bgCol.Blue());
}
else // if ( redCur <= darkCol.Red() && greenCur <= darkCol.Green() && blueCur <= darkCol.Blue() )
{
// Change dark things to really dark
dest.SetRGB(x,y, darkCol.Red(), darkCol.Green(), darkCol.Blue());
}
}
}
}
/*
* Make a greyed-out image suitable for disabled buttons.
* This code is adapted from wxNewBitmapButton in FL.
*/
bool wxCreateGreyedImage(const wxImage& in, wxImage& out)
{
out = in.Copy();
// assuming the pixels along the edges are of the background color
wxColour bgCol(in.GetRed(0, 0), in.GetGreen(0, 0), in.GetBlue(0, 0));
wxColour darkCol = wxSystemSettings::GetColour(wxSYS_COLOUR_3DSHADOW) ;
wxColour lightCol = wxSystemSettings::GetColour(wxSYS_COLOUR_3DHIGHLIGHT) ;
wxGreyOutImage(in, out, darkCol, lightCol, bgCol);
return TRUE;
}
#endif // wxUSE_TOOLBAR