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sizer.h
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2002-08-31
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/////////////////////////////////////////////////////////////////////////////
// Name: sizer.h
// Purpose: provide wxSizer class for layouting
// Author: Robert Roebling and Robin Dunn
// Modified by: Ron Lee
// Created:
// RCS-ID: $Id: sizer.h,v 1.24 2002/08/31 11:29:11 GD Exp $
// Copyright: (c) Robin Dunn, Dirk Holtwick and Robert Roebling
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#ifndef __WXSIZER_H__
#define __WXSIZER_H__
#if defined(__GNUG__) && !defined(__APPLE__)
#pragma interface "sizer.h"
#endif
#include "wx/defs.h"
#include "wx/window.h"
#include "wx/frame.h"
#include "wx/dialog.h"
//---------------------------------------------------------------------------
// classes
//---------------------------------------------------------------------------
class wxSizerItem;
class wxSizer;
class wxBoxSizer;
//---------------------------------------------------------------------------
// wxSizerItem
//---------------------------------------------------------------------------
class WXDLLEXPORT wxSizerItem: public wxObject
{
public:
// spacer
wxSizerItem( int width, int height, int option, int flag, int border, wxObject* userData);
// window
wxSizerItem( wxWindow *window, int option, int flag, int border, wxObject* userData );
// subsizer
wxSizerItem( wxSizer *sizer, int option, int flag, int border, wxObject* userData );
~wxSizerItem();
virtual void DeleteWindows();
virtual wxSize GetSize();
virtual wxSize CalcMin();
virtual void SetDimension( wxPoint pos, wxSize size );
wxSize GetMinSize()
{ return m_minSize; }
void SetRatio( int width, int height )
// if either of dimensions is zero, ratio is assumed to be 1
// to avoid "divide by zero" errors
{ m_ratio = (width && height) ? ((float) width / (float) height) : 1; }
void SetRatio( wxSize size )
{ m_ratio = (size.x && size.y) ? ((float) size.x / (float) size.y) : 1; }
void SetRatio( float ratio )
{ m_ratio = ratio; }
float GetRatio() const
{ return m_ratio; }
bool IsWindow();
bool IsSizer();
bool IsSpacer();
void SetInitSize( int x, int y )
{ m_minSize.x = x; m_minSize.y = y; }
void SetOption( int option )
{ m_option = option; }
void SetFlag( int flag )
{ m_flag = flag; }
void SetBorder( int border )
{ m_border = border; }
wxWindow *GetWindow() const
{ return m_window; }
void SetWindow( wxWindow *window )
{ m_window = window; }
wxSizer *GetSizer() const
{ return m_sizer; }
void SetSizer( wxSizer *sizer )
{ m_sizer = sizer; }
int GetOption() const
{ return m_option; }
int GetFlag() const
{ return m_flag; }
int GetBorder() const
{ return m_border; }
wxObject* GetUserData()
{ return m_userData; }
wxPoint GetPosition()
{ return m_pos; }
protected:
wxWindow *m_window;
wxSizer *m_sizer;
wxSize m_size;
wxPoint m_pos;
wxSize m_minSize;
int m_option;
int m_border;
int m_flag;
// als: aspect ratio can always be calculated from m_size,
// but this would cause precision loss when the window
// is shrinked. it is safer to preserve initial value.
float m_ratio;
wxObject *m_userData;
private:
DECLARE_CLASS(wxSizerItem);
};
//---------------------------------------------------------------------------
// wxSizer
//---------------------------------------------------------------------------
class WXDLLEXPORT wxSizer: public wxObject, public wxClientDataContainer
{
public:
wxSizer();
~wxSizer();
/* These should be called Append() really. */
virtual void Add( wxWindow *window, int option = 0, int flag = 0, int border = 0, wxObject* userData = NULL );
virtual void Add( wxSizer *sizer, int option = 0, int flag = 0, int border = 0, wxObject* userData = NULL );
virtual void Add( int width, int height, int option = 0, int flag = 0, int border = 0, wxObject* userData = NULL );
virtual void Insert( int before, wxWindow *window, int option = 0, int flag = 0, int border = 0, wxObject* userData = NULL );
virtual void Insert( int before, wxSizer *sizer, int option = 0, int flag = 0, int border = 0, wxObject* userData = NULL );
virtual void Insert( int before, int width, int height, int option = 0, int flag = 0, int border = 0, wxObject* userData = NULL );
virtual void Prepend( wxWindow *window, int option = 0, int flag = 0, int border = 0, wxObject* userData = NULL );
virtual void Prepend( wxSizer *sizer, int option = 0, int flag = 0, int border = 0, wxObject* userData = NULL );
virtual void Prepend( int width, int height, int option = 0, int flag = 0, int border = 0, wxObject* userData = NULL );
virtual bool Remove( wxWindow *window );
virtual bool Remove( wxSizer *sizer );
virtual bool Remove( int pos );
virtual void Clear( bool delete_windows=FALSE );
virtual void DeleteWindows();
void SetMinSize( int width, int height )
{ DoSetMinSize( width, height ); }
void SetMinSize( wxSize size )
{ DoSetMinSize( size.x, size.y ); }
/* Searches recursively */
bool SetItemMinSize( wxWindow *window, int width, int height )
{ return DoSetItemMinSize( window, width, height ); }
bool SetItemMinSize( wxWindow *window, wxSize size )
{ return DoSetItemMinSize( window, size.x, size.y ); }
/* Searches recursively */
bool SetItemMinSize( wxSizer *sizer, int width, int height )
{ return DoSetItemMinSize( sizer, width, height ); }
bool SetItemMinSize( wxSizer *sizer, wxSize size )
{ return DoSetItemMinSize( sizer, size.x, size.y ); }
bool SetItemMinSize( int pos, int width, int height )
{ return DoSetItemMinSize( pos, width, height ); }
bool SetItemMinSize( int pos, wxSize size )
{ return DoSetItemMinSize( pos, size.x, size.y ); }
wxSize GetSize()
{ return m_size; }
wxPoint GetPosition()
{ return m_position; }
/* Calculate the minimal size or return m_minSize if bigger. */
wxSize GetMinSize();
virtual void RecalcSizes() = 0;
virtual wxSize CalcMin() = 0;
virtual void Layout();
wxSize Fit( wxWindow *window );
void FitInside( wxWindow *window );
void SetSizeHints( wxWindow *window );
void SetVirtualSizeHints( wxWindow *window );
wxList& GetChildren()
{ return m_children; }
void SetDimension( int x, int y, int width, int height );
protected:
wxSize m_size;
wxSize m_minSize;
wxPoint m_position;
wxList m_children;
wxSize GetMaxWindowSize( wxWindow *window );
wxSize GetMinWindowSize( wxWindow *window );
wxSize GetMaxClientSize( wxWindow *window );
wxSize GetMinClientSize( wxWindow *window );
wxSize FitSize( wxWindow *window );
wxSize VirtualFitSize( wxWindow *window );
virtual void DoSetMinSize( int width, int height );
virtual bool DoSetItemMinSize( wxWindow *window, int width, int height );
virtual bool DoSetItemMinSize( wxSizer *sizer, int width, int height );
virtual bool DoSetItemMinSize( int pos, int width, int height );
private:
DECLARE_CLASS(wxSizer);
};
//---------------------------------------------------------------------------
// wxGridSizer
//---------------------------------------------------------------------------
class WXDLLEXPORT wxGridSizer: public wxSizer
{
public:
wxGridSizer( int rows, int cols, int vgap, int hgap );
wxGridSizer( int cols, int vgap = 0, int hgap = 0 );
void RecalcSizes();
wxSize CalcMin();
void SetCols( int cols ) { m_cols = cols; }
void SetRows( int rows ) { m_rows = rows; }
void SetVGap( int gap ) { m_vgap = gap; }
void SetHGap( int gap ) { m_hgap = gap; }
int GetCols() { return m_cols; }
int GetRows() { return m_rows; }
int GetVGap() { return m_vgap; }
int GetHGap() { return m_hgap; }
protected:
int m_rows;
int m_cols;
int m_vgap;
int m_hgap;
// return the number of total items and the number of columns and rows
int CalcRowsCols(int& rows, int& cols) const;
void SetItemBounds( wxSizerItem *item, int x, int y, int w, int h );
private:
DECLARE_CLASS(wxGridSizer);
};
//---------------------------------------------------------------------------
// wxFlexGridSizer
//---------------------------------------------------------------------------
class WXDLLEXPORT wxFlexGridSizer: public wxGridSizer
{
public:
wxFlexGridSizer( int rows, int cols, int vgap, int hgap );
wxFlexGridSizer( int cols, int vgap = 0, int hgap = 0 );
~wxFlexGridSizer();
void RecalcSizes();
wxSize CalcMin();
void AddGrowableRow( size_t idx );
void RemoveGrowableRow( size_t idx );
void AddGrowableCol( size_t idx );
void RemoveGrowableCol( size_t idx );
protected:
int *m_rowHeights;
int *m_colWidths;
wxArrayInt m_growableRows;
wxArrayInt m_growableCols;
void CreateArrays();
private:
DECLARE_CLASS(wxFlexGridSizer);
};
//---------------------------------------------------------------------------
// wxBoxSizer
//---------------------------------------------------------------------------
class WXDLLEXPORT wxBoxSizer: public wxSizer
{
public:
wxBoxSizer( int orient );
void RecalcSizes();
wxSize CalcMin();
int GetOrientation()
{ return m_orient; }
protected:
int m_orient;
int m_stretchable;
int m_minWidth;
int m_minHeight;
int m_fixedWidth;
int m_fixedHeight;
private:
DECLARE_CLASS(wxBoxSizer);
};
//---------------------------------------------------------------------------
// wxStaticBoxSizer
//---------------------------------------------------------------------------
#if wxUSE_STATBOX
class WXDLLEXPORT wxStaticBox;
class WXDLLEXPORT wxStaticBoxSizer: public wxBoxSizer
{
public:
wxStaticBoxSizer( wxStaticBox *box, int orient );
void RecalcSizes();
wxSize CalcMin();
wxStaticBox *GetStaticBox()
{ return m_staticBox; }
protected:
wxStaticBox *m_staticBox;
private:
DECLARE_CLASS(wxStaticBoxSizer);
};
#endif // wxUSE_STATBOX
//---------------------------------------------------------------------------
// wxNotebookSizer
//---------------------------------------------------------------------------
#if wxUSE_NOTEBOOK
class WXDLLEXPORT wxNotebook;
class WXDLLEXPORT wxNotebookSizer: public wxSizer
{
public:
wxNotebookSizer( wxNotebook *nb );
void RecalcSizes();
wxSize CalcMin();
wxNotebook *GetNotebook()
{ return m_notebook; }
protected:
wxNotebook *m_notebook;
private:
DECLARE_CLASS(wxNotebookSizer);
};
#endif // wxUSE_NOTEBOOK
#endif
// __WXSIZER_H__