git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@14379 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
		
			
				
	
	
		
			354 lines
		
	
	
		
			13 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			354 lines
		
	
	
		
			13 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| /////////////////////////////////////////////////////////////////////////////
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| // Name:        window.h
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| // Purpose:     wxWindow class
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| // Author:      Julian Smart
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| // Modified by:
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| // Created:     17/09/98
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| // RCS-ID:      $Id$
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| // Copyright:   (c) Julian Smart
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| // Licence:     wxWindows licence
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| /////////////////////////////////////////////////////////////////////////////
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| 
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| #ifndef _WX_WINDOW_H_
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| #define _WX_WINDOW_H_
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| 
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| #ifdef __GNUG__
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| #pragma interface "window.h"
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| #endif
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| 
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| #include "wx/region.h"
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| 
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| // ----------------------------------------------------------------------------
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| // wxWindow class for Motif - see also wxWindowBase
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| // ----------------------------------------------------------------------------
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| 
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| class wxWindow : public wxWindowBase
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| {
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|     friend class WXDLLEXPORT wxDC;
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|     friend class WXDLLEXPORT wxWindowDC;
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|     
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| public:
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|     wxWindow() { Init(); }
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|     
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|     wxWindow(wxWindow *parent,
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|         wxWindowID id,
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|         const wxPoint& pos = wxDefaultPosition,
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|         const wxSize& size = wxDefaultSize,
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|         long style = 0,
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|         const wxString& name = wxPanelNameStr)
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|     {
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|         Init();
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|         Create(parent, id, pos, size, style, name);
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|     }
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|     
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|     virtual ~wxWindow();
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|     
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|     bool Create(wxWindow *parent,
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|         wxWindowID id,
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|         const wxPoint& pos = wxDefaultPosition,
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|         const wxSize& size = wxDefaultSize,
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|         long style = 0,
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|         const wxString& name = wxPanelNameStr);
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|     
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|     // implement base class pure virtuals
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|     virtual void SetTitle( const wxString& title);
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|     virtual wxString GetTitle() const;
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|     
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|     virtual void Raise();
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|     virtual void Lower();
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|     
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|     virtual bool Show( bool show = TRUE );
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|     virtual bool Enable( bool enable = TRUE );
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|     
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|     virtual void SetFocus();
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|     
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|     virtual void WarpPointer(int x, int y);
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|     
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|     virtual void Refresh( bool eraseBackground = TRUE,
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|         const wxRect *rect = (const wxRect *) NULL );
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|     virtual void Clear();
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|     
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|     virtual bool SetBackgroundColour( const wxColour &colour );
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|     virtual bool SetForegroundColour( const wxColour &colour );
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|     
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|     virtual bool SetCursor( const wxCursor &cursor );
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|     virtual bool SetFont( const wxFont &font );
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|     
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|     virtual int GetCharHeight() const;
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|     virtual int GetCharWidth() const;
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|     virtual void GetTextExtent(const wxString& string,
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|         int *x, int *y,
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|         int *descent = (int *) NULL,
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|         int *externalLeading = (int *) NULL,
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|         const wxFont *theFont = (const wxFont *) NULL)
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|         const;
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|     
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|     virtual void SetScrollbar( int orient, int pos, int thumbVisible,
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|         int range, bool refresh = TRUE );
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|     virtual void SetScrollPos( int orient, int pos, bool refresh = TRUE );
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|     virtual int GetScrollPos( int orient ) const;
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|     virtual int GetScrollThumb( int orient ) const;
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|     virtual int GetScrollRange( int orient ) const;
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|     virtual void ScrollWindow( int dx, int dy,
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|         const wxRect* rect = (wxRect *) NULL );
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|     
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|     virtual void SetSizeHints(int minW, int minH,
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|         int maxW = -1, int maxH = -1,
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|         int incW = -1, int incH = -1);
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| #if wxUSE_DRAG_AND_DROP
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|     virtual void SetDropTarget( wxDropTarget *dropTarget );
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| #endif // wxUSE_DRAG_AND_DROP
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|     
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|     // Accept files for dragging
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|     virtual void DragAcceptFiles(bool accept);
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|     
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|     // Get the unique identifier of a window
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|     virtual WXWidget GetHandle() const { return GetMainWidget(); }
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|     
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|     // implementation from now on
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|     // --------------------------
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|     
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|     // accessors
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|     // ---------
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|     
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|     // Get main widget for this window, e.g. a text widget
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|     virtual WXWidget GetMainWidget() const;
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|     // Get the widget that corresponds to the label (for font setting, label setting etc.)
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|     virtual WXWidget GetLabelWidget() const;
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|     // Get the client widget for this window (something we can create other
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|     // windows on)
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|     virtual WXWidget GetClientWidget() const;
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|     // Get the top widget for this window, e.g. the scrolled widget parent of a
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|     // multi-line text widget. Top means, top in the window hierarchy that
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|     // implements this window.
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|     virtual WXWidget GetTopWidget() const;
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|     
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|     // Get the underlying X window and display
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|     WXWindow GetXWindow() const;
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|     WXDisplay *GetXDisplay() const;
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|     
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|     // called from Motif callbacks - and should only be called from there
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|     
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|     void SetButton1(bool pressed) { m_button1Pressed = pressed; }
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|     void SetButton2(bool pressed) { m_button2Pressed = pressed; }
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|     void SetButton3(bool pressed) { m_button3Pressed = pressed; }
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|     
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|     void SetLastClick(int button, long timestamp)
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|     { m_lastButton = button; m_lastTS = timestamp; }
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|     
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|     int GetLastClickedButton() const { return m_lastButton; }
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|     long GetLastClickTime() const { return m_lastTS; }
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|     
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|     // Gives window a chance to do something in response to a size message, e.g.
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|     // arrange status bar, toolbar etc.
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|     virtual bool PreResize();
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|     
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|     // Generates a paint event
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|     virtual void DoPaint();
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|     
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|     // update rectangle/region manipulation
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|     // (for wxWindowDC and Motif callbacks only)
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|     // -----------------------------------------
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|     
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|     // read/write access to the update rect list
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|     const wxRectList& GetUpdateRects() const { return m_updateRects; }
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|     
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|     // Adds a recangle to the updates list
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|     void AddUpdateRect(int x, int y, int w, int h)
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|     { m_updateRects.Append(new wxRect(x, y, w, h)); }
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|     
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|     // Empties the m_updateRects list
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|     void ClearUpdateRects();
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|     
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|     void ClearUpdateRegion() { m_updateRegion.Clear(); }
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|     void SetUpdateRegion(const wxRegion& region) { m_updateRegion = region; }
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|     
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|     // sets the fore/background colour for the given widget
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|     static void DoChangeForegroundColour(WXWidget widget, wxColour& foregroundColour);
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|     static void DoChangeBackgroundColour(WXWidget widget, wxColour& backgroundColour, bool changeArmColour = FALSE);
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|     
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|     // For implementation purposes - sometimes decorations make the client area
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|     // smaller
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|     virtual wxPoint GetClientAreaOrigin() const;
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|     
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| protected:
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|     // event handlers (not virtual by design)
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|     void OnIdle(wxIdleEvent& event);
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|     
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|     wxWindow *GetChild(int number) const
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|     { return GetChildren().Item(number)->GetData(); }
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|     
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|     // Responds to colour changes: passes event on to children.
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|     void OnSysColourChanged(wxSysColourChangedEvent& event);
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|     
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|     // Motif-specific
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|     
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|     // CanvasXXXSiize functions
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|     void CanvasGetSize(int* width, int* height) const; // If have drawing area
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|     void CanvasGetClientSize(int *width, int *height) const;
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|     void CanvasGetPosition(int *x, int *y) const; // If have drawing area
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|     void CanvasSetClientSize(int width, int size);
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|     void CanvasSetSize(int x, int y, int width, int height, int sizeFlags = wxSIZE_AUTO);
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|     
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|     void SetMainWidget(WXWidget w) { m_mainWidget = w; }
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|     
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|     bool CanAddEventHandler() const { return m_canAddEventHandler; }
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|     void SetCanAddEventHandler(bool flag) { m_canAddEventHandler = flag; }
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|     
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| public:
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|     WXPixmap GetBackingPixmap() const { return m_backingPixmap; }
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|     void SetBackingPixmap(WXPixmap pixmap) { m_backingPixmap = pixmap; }
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|     int GetPixmapWidth() const { return m_pixmapWidth; }
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|     int GetPixmapHeight() const { return m_pixmapHeight; }
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|     void SetPixmapWidth(int w) { m_pixmapWidth = w; }
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|     void SetPixmapHeight(int h) { m_pixmapHeight = h; }
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|     
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|     // Change properties
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|     virtual void ChangeFont(bool keepOriginalSize = TRUE);             // Change to the current font (often overridden)
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|     
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|     // Change background and foreground colour using current background colour
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|     // setting (Motif generates foreground based on background)
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|     virtual void ChangeBackgroundColour();
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|     // Change foreground colour using current foreground colour setting
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|     virtual void ChangeForegroundColour();
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|     
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| protected:
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|     // Adds the widget to the hash table and adds event handlers.
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|     bool AttachWidget(wxWindow* parent, WXWidget mainWidget,
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|         WXWidget formWidget, int x, int y, int width, int height);
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|     bool DetachWidget(WXWidget widget);
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|     
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|     // How to implement accelerators. If we find a key event, translate to
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|     // wxWindows wxKeyEvent form. Find a widget for the window. Now find a
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|     // wxWindow for the widget. If there isn't one, go up the widget hierarchy
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|     // trying to find one. Once one is found, call ProcessAccelerator for the
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|     // window. If it returns TRUE (processed the event), skip the X event,
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|     // otherwise carry on up the wxWindows window hierarchy calling
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|     // ProcessAccelerator. If all return FALSE, process the X event as normal.
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|     // Eventually we can implement OnCharHook the same way, but concentrate on
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|     // accelerators for now. ProcessAccelerator must look at the current
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|     // accelerator table, and try to find what menu id or window (beneath it)
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|     // has this ID. Then construct an appropriate command
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|     // event and send it.
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| public:
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|     virtual bool ProcessAccelerator(wxKeyEvent& event);
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|     
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| protected:
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|     // unmanage and destroy an X widget f it's !NULL (passing NULL is ok)
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|     void UnmanageAndDestroy(WXWidget widget);
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|     
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|     // map or unmap an X widget (passing NULL is ok), returns TRUE if widget was
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|     // mapped/unmapped
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|     bool MapOrUnmap(WXWidget widget, bool map);
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|     
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|     // scrolling stuff
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|     // ---------------
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|     
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|     // create/destroy window scrollbars
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|     void CreateScrollbar(wxOrientation orientation);
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|     void DestroyScrollbar(wxOrientation orientation);
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|     
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|     // get either hor or vert scrollbar widget
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|     WXWidget GetScrollbar(wxOrientation orient) const
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|     { return orient == wxHORIZONTAL ? m_hScrollBar : m_vScrollBar; }
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|     
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|     // set the scroll pos
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|     void SetInternalScrollPos(wxOrientation orient, int pos)
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|     {
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|         if ( orient == wxHORIZONTAL )
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|             m_scrollPosX = pos;
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|         else
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|             m_scrollPosY = pos;
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|     }
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|     
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|     // Motif-specific flags
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|     // --------------------
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|     
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|     bool m_needsRefresh:1;          // repaint backing store?
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|     bool m_canAddEventHandler:1;    // ???
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|     bool m_button1Pressed:1;
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|     bool m_button2Pressed:1;
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|     bool m_button3Pressed:1;
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|     
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|     // For double-click detection
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|     long   m_lastTS;         // last timestamp
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|     int    m_lastButton;     // last pressed button
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|     
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|     // List of wxRects representing damaged region
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|     wxRectList m_updateRects;
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|     
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| protected:
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|     WXWidget              m_mainWidget;
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|     WXWidget              m_hScrollBar;
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|     WXWidget              m_vScrollBar;
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|     WXWidget              m_borderWidget;
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|     WXWidget              m_scrolledWindow;
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|     WXWidget              m_drawingArea;
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|     bool                  m_winCaptured;
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|     bool                  m_hScroll;
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|     bool                  m_vScroll;
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|     WXPixmap              m_backingPixmap;
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|     int                   m_pixmapWidth;
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|     int                   m_pixmapHeight;
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|     int                   m_pixmapOffsetX;
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|     int                   m_pixmapOffsetY;
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|     
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|     // Store the last scroll pos, since in wxWin the pos isn't set automatically
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|     // by system
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|     int                   m_scrollPosX;
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|     int                   m_scrollPosY;
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|     
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|     // implement the base class pure virtuals
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|     virtual void DoClientToScreen( int *x, int *y ) const;
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|     virtual void DoScreenToClient( int *x, int *y ) const;
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|     virtual void DoGetPosition( int *x, int *y ) const;
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|     virtual void DoGetSize( int *width, int *height ) const;
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|     virtual void DoGetClientSize( int *width, int *height ) const;
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|     virtual void DoSetSize(int x, int y,
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|         int width, int height,
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|         int sizeFlags = wxSIZE_AUTO);
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|     virtual void DoSetClientSize(int width, int height);
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|     virtual void DoMoveWindow(int x, int y, int width, int height);
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|     virtual bool DoPopupMenu(wxMenu *menu, int x, int y);
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|     virtual void DoCaptureMouse();
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|     virtual void DoReleaseMouse();
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|     
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| #if wxUSE_TOOLTIPS
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|     virtual void DoSetToolTip( wxToolTip *tip );
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| #endif // wxUSE_TOOLTIPS
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|     
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| private:
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|     // common part of all ctors
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|     void Init();
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|     
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|     DECLARE_DYNAMIC_CLASS(wxWindow)
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|     DECLARE_NO_COPY_CLASS(wxWindow)
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|     DECLARE_EVENT_TABLE()
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| };
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| 
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| // ----------------------------------------------------------------------------
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| // A little class to switch off `size optimization' while an instance of the
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| // object exists: this may be useful to temporarily disable the optimisation
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| // which consists to do nothing when the new size is equal to the old size -
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| // although quite useful usually to avoid flicker, sometimes it leads to
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| // undesired effects.
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| //
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| // Usage: create an instance of this class on the stack to disable the size
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| // optimisation, it will be reenabled as soon as the object goes out from scope.
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| // ----------------------------------------------------------------------------
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| 
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| class WXDLLEXPORT wxNoOptimize
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| {
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| public:
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|     wxNoOptimize() { ms_count++; }
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|     ~wxNoOptimize() { ms_count--; }
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|     
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|     static bool CanOptimize() { return ms_count == 0; }
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|     
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| protected:
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|     static int ms_count;
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| };
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| 
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| #endif
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| // _WX_WINDOW_H_
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