wxWidgets/include/wx/sizer.h
2003-11-19 06:42:23 +00:00

563 lines
17 KiB
C++

/////////////////////////////////////////////////////////////////////////////
// Name: sizer.h
// Purpose: provide wxSizer class for layout
// Author: Robert Roebling and Robin Dunn
// Modified by: Ron Lee
// Created:
// RCS-ID: $Id$
// Copyright: (c) Robin Dunn, Robert Roebling
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#ifndef __WXSIZER_H__
#define __WXSIZER_H__
#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
#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 proportion,
int flag,
int border,
wxObject* userData);
// window
wxSizerItem( wxWindow *window,
int proportion,
int flag,
int border,
wxObject* userData );
// subsizer
wxSizerItem( wxSizer *sizer,
int proportion,
int flag,
int border,
wxObject* userData );
wxSizerItem();
virtual ~wxSizerItem();
virtual void DeleteWindows();
// Enable deleting the SizerItem without destroying the contained sizer.
void DetachSizer()
{ m_sizer = 0; }
virtual wxSize GetSize() const;
virtual wxSize CalcMin();
virtual void SetDimension( wxPoint pos, wxSize size );
wxSize GetMinSize() const
{ return m_minSize; }
void SetInitSize( int x, int y )
{ m_minSize.x = x; m_minSize.y = y; }
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() const;
bool IsSizer() const;
bool IsSpacer() const;
// Deprecated in 2.6, use {G,S}etProportion instead.
wxDEPRECATED( void SetOption( int option ) );
wxDEPRECATED( int GetOption() const );
void SetProportion( int proportion )
{ m_proportion = proportion; }
int GetProportion() const
{ return m_proportion; }
void SetFlag( int flag )
{ m_flag = flag; }
int GetFlag() const
{ return m_flag; }
void SetBorder( int border )
{ m_border = border; }
int GetBorder() const
{ return m_border; }
wxWindow *GetWindow() const
{ return m_window; }
void SetWindow( wxWindow *window )
{ m_window = window; m_minSize = window->GetSize(); }
wxSizer *GetSizer() const
{ return m_sizer; }
void SetSizer( wxSizer *sizer )
{ m_sizer = sizer; }
const wxSize &GetSpacer() const
{ return m_size; }
void SetSpacer( const wxSize &size )
{ m_size = size; m_minSize = size; }
void Show ( bool show );
bool IsShown() const
{ return m_show; }
wxObject* GetUserData() const
{ return m_userData; }
wxPoint GetPosition() const
{ return m_pos; }
protected:
wxWindow *m_window;
wxSizer *m_sizer;
wxSize m_size;
wxPoint m_pos;
wxSize m_minSize;
int m_proportion;
int m_border;
int m_flag;
// If true, then this item is considered in the layout
// calculation. Otherwise, it is skipped over.
bool m_show;
// Aspect ratio can always be calculated from m_size,
// but this would cause precision loss when the window
// is shrunk. It is safer to preserve the initial value.
float m_ratio;
wxObject *m_userData;
private:
DECLARE_CLASS(wxSizerItem)
DECLARE_NO_COPY_CLASS(wxSizerItem)
};
WX_DECLARE_EXPORTED_LIST( wxSizerItem, wxSizerItemList );
//---------------------------------------------------------------------------
// wxSizer
//---------------------------------------------------------------------------
class WXDLLEXPORT wxSizer: public wxObject, public wxClientDataContainer
{
public:
wxSizer();
~wxSizer();
/* These should be called Append() really. */
virtual void Add( wxWindow *window,
int proportion = 0,
int flag = 0,
int border = 0,
wxObject* userData = NULL );
virtual void Add( wxSizer *sizer,
int proportion = 0,
int flag = 0,
int border = 0,
wxObject* userData = NULL );
virtual void Add( int width,
int height,
int proportion = 0,
int flag = 0,
int border = 0,
wxObject* userData = NULL );
virtual void Add( wxSizerItem *item );
virtual void Insert( size_t index,
wxWindow *window,
int proportion = 0,
int flag = 0,
int border = 0,
wxObject* userData = NULL );
virtual void Insert( size_t index,
wxSizer *sizer,
int proportion = 0,
int flag = 0,
int border = 0,
wxObject* userData = NULL );
virtual void Insert( size_t index,
int width,
int height,
int proportion = 0,
int flag = 0,
int border = 0,
wxObject* userData = NULL );
virtual void Insert( size_t index,
wxSizerItem *item );
virtual void Prepend( wxWindow *window,
int proportion = 0,
int flag = 0,
int border = 0,
wxObject* userData = NULL );
virtual void Prepend( wxSizer *sizer,
int proportion = 0,
int flag = 0,
int border = 0,
wxObject* userData = NULL );
virtual void Prepend( int width,
int height,
int proportion = 0,
int flag = 0,
int border = 0,
wxObject* userData = NULL );
virtual void Prepend( wxSizerItem *item );
// Deprecated in 2.6 since historically it does not delete the window,
// use Detach instead.
wxDEPRECATED( virtual bool Remove( wxWindow *window ) );
virtual bool Remove( wxSizer *sizer );
virtual bool Remove( int index );
virtual bool Detach( wxWindow *window );
virtual bool Detach( wxSizer *sizer );
virtual bool Detach( int index );
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( size_t index, int width, int height )
{ return DoSetItemMinSize( index, width, height ); }
bool SetItemMinSize( size_t index, wxSize size )
{ return DoSetItemMinSize( index, size.x, size.y ); }
wxSize GetSize() const
{ return m_size; }
wxPoint GetPosition() const
{ 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 );
wxSizerItemList& GetChildren()
{ return m_children; }
void SetDimension( int x, int y, int width, int height );
// Manage whether individual scene items are considered
// in the layout calculations or not.
void Show( wxWindow *window, bool show = true );
void Show( wxSizer *sizer, bool show = true );
void Show( size_t index, bool show = true );
void Hide( wxSizer *sizer )
{ Show( sizer, false ); }
void Hide( wxWindow *window )
{ Show( window, false ); }
void Hide( size_t index )
{ Show( index, false ); }
bool IsShown( wxWindow *window ) const;
bool IsShown( wxSizer *sizer ) const;
bool IsShown( size_t index ) const;
// Recursively call wxWindow::Show () on all sizer items.
void ShowItems (bool show);
protected:
wxSize m_size;
wxSize m_minSize;
wxPoint m_position;
wxSizerItemList m_children;
wxSize GetMaxWindowSize( wxWindow *window ) const;
wxSize GetMinWindowSize( wxWindow *window );
wxSize GetMaxClientSize( wxWindow *window ) const;
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( size_t index, 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 );
virtual void RecalcSizes();
virtual 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() const { return m_cols; }
int GetRows() const { return m_rows; }
int GetVGap() const { return m_vgap; }
int GetHGap() const { 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
//---------------------------------------------------------------------------
// the bevaiour for resizing wxFlexGridSizer cells in the "non-flexible"
// direction
enum wxFlexSizerGrowMode
{
// don't resize the cells in non-flexible direction at all
wxFLEX_GROWMODE_NONE,
// uniformly resize only the specified ones (default)
wxFLEX_GROWMODE_SPECIFIED,
// uniformly resize all cells
wxFLEX_GROWMODE_ALL
};
class WXDLLEXPORT wxFlexGridSizer: public wxGridSizer
{
public:
// ctors/dtor
wxFlexGridSizer( int rows, int cols, int vgap, int hgap );
wxFlexGridSizer( int cols, int vgap = 0, int hgap = 0 );
virtual ~wxFlexGridSizer();
// set the rows/columns which will grow (the others will remain of the
// constant initial size)
void AddGrowableRow( size_t idx, int proportion = 0 );
void RemoveGrowableRow( size_t idx );
void AddGrowableCol( size_t idx, int proportion = 0 );
void RemoveGrowableCol( size_t idx );
// the sizer cells may grow in both directions, not grow at all or only
// grow in one direction but not the other
// the direction may be wxVERTICAL, wxHORIZONTAL or wxBOTH (default)
void SetFlexibleDirection(int direction) { m_flexDirection = direction; }
int GetFlexibleDirection() const { return m_flexDirection; }
// note that the grow mode only applies to the direction which is not
// flexible
void SetNonFlexibleGrowMode(wxFlexSizerGrowMode mode) { m_growMode = mode; }
wxFlexSizerGrowMode GetNonFlexibleGrowMode() const { return m_growMode; }
// Read-only access to the row heights and col widths arrays
const wxArrayInt& GetRowHeights() const { return m_rowHeights; }
const wxArrayInt& GetColWidths() const { return m_colWidths; }
// implementation
virtual void RecalcSizes();
virtual wxSize CalcMin();
protected:
void AdjustForFlexDirection();
void AdjustForGrowables(const wxSize& sz, const wxSize& minsz,
int nrows, int ncols);
// the heights/widths of all rows/columns
wxArrayInt m_rowHeights,
m_colWidths;
// indices of the growable columns and rows
wxArrayInt m_growableRows,
m_growableCols;
// proportion values of the corresponding growable rows and columns
wxArrayInt m_growableRowsProportions,
m_growableColsProportions;
// parameters describing whether the growable cells should be resized in
// both directions or only one
int m_flexDirection;
wxFlexSizerGrowMode m_growMode;
private:
DECLARE_CLASS(wxFlexGridSizer)
DECLARE_NO_COPY_CLASS(wxFlexGridSizer)
};
//---------------------------------------------------------------------------
// wxBoxSizer
//---------------------------------------------------------------------------
class WXDLLEXPORT wxBoxSizer: public wxSizer
{
public:
wxBoxSizer( int orient );
void RecalcSizes();
wxSize CalcMin();
int GetOrientation() const
{ return m_orient; }
void SetOrientation(int orient)
{ m_orient = 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() const
{ return m_staticBox; }
protected:
wxStaticBox *m_staticBox;
private:
DECLARE_CLASS(wxStaticBoxSizer)
DECLARE_NO_COPY_CLASS(wxStaticBoxSizer)
};
#endif // wxUSE_STATBOX
// ----------------------------------------------------------------------------
// wxBookCtrlSizer
// ----------------------------------------------------------------------------
#if wxUSE_BOOKCTRL
// this sizer works with wxNotebook/wxListbook/... and sizes the control to
// fit its pages
class WXDLLEXPORT wxBookCtrl;
class WXDLLEXPORT wxBookCtrlSizer : public wxSizer
{
public:
wxBookCtrlSizer(wxBookCtrl *bookctrl);
virtual void RecalcSizes();
virtual wxSize CalcMin();
wxBookCtrl *GetControl() const { return m_bookctrl; }
protected:
wxBookCtrl *m_bookctrl;
private:
DECLARE_CLASS(wxBookCtrlSizer)
DECLARE_NO_COPY_CLASS(wxBookCtrlSizer)
};
#if wxUSE_NOTEBOOK
// before wxBookCtrl we only had wxNotebookSizer, keep it for backwards
// compatibility
class WXDLLEXPORT wxNotebook;
class WXDLLEXPORT wxNotebookSizer : public wxBookCtrlSizer
{
public:
wxNotebookSizer(wxNotebook *nb);
wxNotebook *GetNotebook() const { return (wxNotebook *)m_bookctrl; }
private:
DECLARE_CLASS(wxNotebookSizer)
DECLARE_NO_COPY_CLASS(wxNotebookSizer)
};
#endif // wxUSE_NOTEBOOK
#endif // wxUSE_BOOKCTRL
#endif // __WXSIZER_H__