include/wx/x11/window.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        wx/x11/window.h
   3 // Purpose:     wxWindow class
   4 // Author:      Julian Smart
   5 // Modified by:
   6 // Created:     17/09/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Julian Smart
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifndef _WX_WINDOW_H_
  13 #define _WX_WINDOW_H_
  14
  15 #include "wx/region.h"
  16
  17 // ----------------------------------------------------------------------------
  18 // wxWindow class for Motif - see also wxWindowBase
  19 // ----------------------------------------------------------------------------
  20
  21 class WXDLLIMPEXP_CORE wxWindowX11 : public wxWindowBase
  22 {
  23     friend class WXDLLIMPEXP_FWD_CORE wxDC;
  24     friend class WXDLLIMPEXP_FWD_CORE wxWindowDC;
  25
  26 public:
  27     wxWindowX11() { Init(); }
  28
  29     wxWindowX11(wxWindow *parent,
  30         wxWindowID id,
  31         const wxPoint& pos = wxDefaultPosition,
  32         const wxSize& size = wxDefaultSize,
  33         long style = 0,
  34         const wxString& name = wxPanelNameStr)
  35     {
  36         Init();
  37         Create(parent, id, pos, size, style, name);
  38     }
  39
  40     virtual ~wxWindowX11();
  41
  42     bool Create(wxWindow *parent,
  43         wxWindowID id,
  44         const wxPoint& pos = wxDefaultPosition,
  45         const wxSize& size = wxDefaultSize,
  46         long style = 0,
  47         const wxString& name = wxPanelNameStr);
  48
  49     virtual void Raise();
  50     virtual void Lower();
  51
  52     virtual void SetLabel(const wxString& label);
  53     virtual wxString GetLabel() const;
  54
  55     virtual bool Show( bool show = true );
  56     virtual bool Enable( bool enable = true );
  57
  58     virtual void SetFocus();
  59
  60     virtual void WarpPointer(int x, int y);
  61
  62     virtual void Refresh( bool eraseBackground = true,
  63                           const wxRect *rect = (const wxRect *) NULL );
  64     virtual void Update();
  65
  66     virtual bool SetBackgroundColour( const wxColour &colour );
  67     virtual bool SetForegroundColour( const wxColour &colour );
  68
  69     virtual bool SetCursor( const wxCursor &cursor );
  70     virtual bool SetFont( const wxFont &font );
  71
  72     virtual int GetCharHeight() const;
  73     virtual int GetCharWidth() const;
  74     virtual void GetTextExtent(const wxString& string,
  75         int *x, int *y,
  76         int *descent = (int *) NULL,
  77         int *externalLeading = (int *) NULL,
  78         const wxFont *theFont = (const wxFont *) NULL)
  79         const;
  80
  81     virtual void ScrollWindow( int dx, int dy,
  82         const wxRect* rect = (wxRect *) NULL );
  83
  84 #if wxUSE_DRAG_AND_DROP
  85     virtual void SetDropTarget( wxDropTarget *dropTarget );
  86 #endif // wxUSE_DRAG_AND_DROP
  87
  88     // Accept files for dragging
  89     virtual void DragAcceptFiles(bool accept);
  90
  91     // Get the unique identifier of a window
  92     virtual WXWindow GetHandle() const { return GetMainWindow(); }
  93
  94     // implementation from now on
  95     // --------------------------
  96
  97     // accessors
  98     // ---------
  99
 100     // Get main X11 window
 101     virtual WXWindow GetMainWindow() const;
 102
 103     // Get X11 window representing the client area
 104     virtual WXWindow GetClientAreaWindow() const;
 105
 106     void SetLastClick(int button, long timestamp)
 107         { m_lastButton = button; m_lastTS = timestamp; }
 108
 109     int GetLastClickedButton() const { return m_lastButton; }
 110     long GetLastClickTime() const { return m_lastTS; }
 111
 112     // Gives window a chance to do something in response to a size message, e.g.
 113     // arrange status bar, toolbar etc.
 114     virtual bool PreResize();
 115
 116     // Generates paint events from m_updateRegion
 117     void SendPaintEvents();
 118
 119     // Generates paint events from flag
 120     void SendNcPaintEvents();
 121
 122     // Generates erase events from m_clearRegion
 123     void SendEraseEvents();
 124
 125     // Clip to paint region?
 126     bool GetClipPaintRegion() { return m_clipPaintRegion; }
 127
 128     // Return clear region
 129     wxRegion &GetClearRegion() { return m_clearRegion; }
 130
 131     void NeedUpdateNcAreaInIdle( bool update = true ) { m_updateNcArea = update; }
 132
 133     // Inserting into main window instead of client
 134     // window. This is mostly for a wxWindow's own
 135     // scrollbars.
 136     void SetInsertIntoMain( bool insert = true ) { m_insertIntoMain = insert; }
 137     bool GetInsertIntoMain() { return m_insertIntoMain; }
 138
 139     // sets the fore/background colour for the given widget
 140     static void DoChangeForegroundColour(WXWindow widget, wxColour& foregroundColour);
 141     static void DoChangeBackgroundColour(WXWindow widget, wxColour& backgroundColour, bool changeArmColour = false);
 142
 143     // I don't want users to override what's done in idle so everything that
 144     // has to be done in idle time in order for wxX11 to work is done in
 145     // OnInternalIdle
 146     virtual void OnInternalIdle();
 147
 148 protected:
 149     // Responds to colour changes: passes event on to children.
 150     void OnSysColourChanged(wxSysColourChangedEvent& event);
 151
 152     // For double-click detection
 153     long   m_lastTS;         // last timestamp
 154     int    m_lastButton;     // last pressed button
 155
 156 protected:
 157     WXWindow              m_mainWindow;
 158     WXWindow              m_clientWindow;
 159     bool                  m_insertIntoMain;
 160
 161     bool                  m_winCaptured;
 162     wxRegion              m_clearRegion;
 163     bool                  m_clipPaintRegion;
 164     bool                  m_updateNcArea;
 165     bool                  m_needsInputFocus; // Input focus set in OnIdle
 166
 167     // implement the base class pure virtuals
 168     virtual void DoClientToScreen( int *x, int *y ) const;
 169     virtual void DoScreenToClient( int *x, int *y ) const;
 170     virtual void DoGetPosition( int *x, int *y ) const;
 171     virtual void DoGetSize( int *width, int *height ) const;
 172     virtual void DoGetClientSize( int *width, int *height ) const;
 173     virtual void DoSetSize(int x, int y,
 174         int width, int height,
 175         int sizeFlags = wxSIZE_AUTO);
 176     virtual void DoSetClientSize(int width, int height);
 177     virtual void DoMoveWindow(int x, int y, int width, int height);
 178     virtual void DoSetSizeHints(int minW, int minH,
 179         int maxW, int maxH,
 180         int incW, int incH);
 181     virtual void DoCaptureMouse();
 182     virtual void DoReleaseMouse();
 183
 184 #if wxUSE_TOOLTIPS
 185     virtual void DoSetToolTip( wxToolTip *tip );
 186 #endif // wxUSE_TOOLTIPS
 187
 188 private:
 189     // common part of all ctors
 190     void Init();
 191
 192     DECLARE_DYNAMIC_CLASS(wxWindowX11)
 193     DECLARE_NO_COPY_CLASS(wxWindowX11)
 194     DECLARE_EVENT_TABLE()
 195 };
 196
 197 // ----------------------------------------------------------------------------
 198 // A little class to switch off `size optimization' while an instance of the
 199 // object exists: this may be useful to temporarily disable the optimisation
 200 // which consists to do nothing when the new size is equal to the old size -
 201 // although quite useful usually to avoid flicker, sometimes it leads to
 202 // undesired effects.
 203 //
 204 // Usage: create an instance of this class on the stack to disable the size
 205 // optimisation, it will be reenabled as soon as the object goes out from scope.
 206 // ----------------------------------------------------------------------------
 207
 208 class WXDLLEXPORT wxNoOptimize
 209 {
 210 public:
 211     wxNoOptimize() { ms_count++; }
 212     ~wxNoOptimize() { ms_count--; }
 213
 214     static bool CanOptimize() { return ms_count == 0; }
 215
 216 protected:
 217     static int ms_count;
 218 };
 219
 220 #endif // _WX_WINDOW_H_