include/wx/x11/app.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        app.h
   3 // Purpose:     wxApp 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_APP_H_
  13 #define _WX_APP_H_
  14
  15 #ifdef __GNUG__
  16 #pragma interface "app.h"
  17 #endif
  18
  19 // ----------------------------------------------------------------------------
  20 // headers
  21 // ----------------------------------------------------------------------------
  22
  23 #include "wx/gdicmn.h"
  24 #include "wx/event.h"
  25
  26 // ----------------------------------------------------------------------------
  27 // forward declarations
  28 // ----------------------------------------------------------------------------
  29
  30 class WXDLLEXPORT wxFrame;
  31 class WXDLLEXPORT wxWindow;
  32 class WXDLLEXPORT wxApp;
  33 class WXDLLEXPORT wxKeyEvent;
  34 class WXDLLEXPORT wxLog;
  35 class WXDLLEXPORT wxEventLoop;
  36
  37 // ----------------------------------------------------------------------------
  38 // the wxApp class for wxX11 - see wxAppBase for more details
  39 // ----------------------------------------------------------------------------
  40
  41 class WXDLLEXPORT wxApp : public wxAppBase
  42 {
  43     DECLARE_DYNAMIC_CLASS(wxApp)
  44
  45 public:
  46     wxApp();
  47     ~wxApp();
  48
  49     // override base class (pure) virtuals
  50     // -----------------------------------
  51
  52     virtual int MainLoop();
  53     virtual void ExitMainLoop();
  54     virtual bool Initialized();
  55     virtual bool Pending();
  56     virtual void Dispatch();
  57     virtual bool Yield(bool onlyIfNeeded = FALSE);
  58     virtual bool ProcessIdle();
  59
  60     virtual bool OnInitGui();
  61
  62     // implementation from now on
  63     // --------------------------
  64
  65     void OnIdle(wxIdleEvent& event);
  66
  67     // Send idle event to all top-level windows.
  68     // Returns TRUE if more idle time is requested.
  69     bool SendIdleEvents();
  70
  71     // Send idle event to window and all subwindows
  72     // Returns TRUE if more idle time is requested.
  73     bool SendIdleEvents(wxWindow* win);
  74
  75     // Processes an X event.
  76     virtual bool ProcessXEvent(WXEvent* event);
  77
  78 #ifdef __WXDEBUG__
  79     virtual void OnAssert(const wxChar *file, int line, const wxChar* cond, const wxChar *msg);
  80 #endif // __WXDEBUG__
  81
  82 protected:
  83     bool                  m_showOnInit;
  84
  85 public:
  86     // Implementation
  87     static bool Initialize();
  88     static void CleanUp();
  89
  90     void DeletePendingObjects();
  91
  92     WXWindow       GetTopLevelWidget() const { return m_topLevelWidget; }
  93     WXColormap     GetMainColormap(WXDisplay* display);
  94     long           GetMaxRequestSize() const { return m_maxRequestSize; }
  95
  96     // This handler is called when a property change event occurs
  97     virtual bool HandlePropertyChange(WXEvent *event);
  98
  99     // Values that can be passed on the command line.
 100     // Returns -1, -1 if none specified.
 101     const wxSize& GetInitialSize() const { return m_initialSize; }
 102     bool GetShowIconic() const { return m_showIconic; }
 103
 104 #if wxUSE_UNICODE
 105     // Global context for Pango layout. Either use X11
 106     // or use Xft rendering according to GDK_USE_XFT
 107     // environment variable
 108     PangoContext* GetPangoContext();
 109 #endif
 110
 111     // We need this before creating the app
 112     static   WXDisplay* GetDisplay() { return ms_display; }
 113     static   WXDisplay* ms_display;
 114
 115 public:
 116     static long           sm_lastMessageTime;
 117     bool                  m_showIconic;
 118     wxSize                m_initialSize;
 119
 120 #if !wxUSE_NANOX
 121     // Someone find a better place for these
 122     int                   m_visualType;   // TrueColor, DirectColor etc.
 123     int                   m_visualDepth;
 124     int                   m_visualColormapSize;
 125     void                 *m_visualColormap;
 126     int                   m_visualScreen;
 127     unsigned long         m_visualRedMask;
 128     unsigned long         m_visualGreenMask;
 129     unsigned long         m_visualBlueMask;
 130     int                   m_visualRedShift;
 131     int                   m_visualGreenShift;
 132     int                   m_visualBlueShift;
 133     int                   m_visualRedPrec;
 134     int                   m_visualGreenPrec;
 135     int                   m_visualBluePrec;
 136
 137     unsigned char        *m_colorCube;
 138 #endif
 139
 140 protected:
 141     bool                  m_keepGoing;
 142
 143     WXWindow              m_topLevelWidget;
 144     WXColormap            m_mainColormap;
 145     long                  m_maxRequestSize;
 146     wxEventLoop*          m_mainLoop;
 147
 148     DECLARE_EVENT_TABLE()
 149 };
 150
 151 int WXDLLEXPORT wxEntry( int argc, char *argv[] );
 152
 153 #endif
 154 // _WX_APP_H_
 155