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 #if defined(__GNUG__) && !defined(__APPLE__)
  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 class WXDLLEXPORT wxXVisualInfo;
  37
  38 // ----------------------------------------------------------------------------
  39 // the wxApp class for wxX11 - see wxAppBase for more details
  40 // ----------------------------------------------------------------------------
  41
  42 class WXDLLEXPORT wxApp : public wxAppBase
  43 {
  44     DECLARE_DYNAMIC_CLASS(wxApp)
  45
  46 public:
  47     wxApp();
  48     ~wxApp();
  49
  50     // override base class (pure) virtuals
  51     // -----------------------------------
  52
  53     virtual int MainLoop();
  54     virtual void ExitMainLoop();
  55     virtual bool Initialized();
  56     virtual bool Pending();
  57     virtual void Dispatch();
  58
  59     virtual void Exit();
  60
  61     virtual bool Yield(bool onlyIfNeeded = FALSE);
  62     virtual void WakeUpIdle();
  63
  64     virtual bool OnInitGui();
  65
  66     // implementation from now on
  67     // --------------------------
  68
  69     void OnIdle(wxIdleEvent& event);
  70
  71     // Processes an X event.
  72     virtual bool ProcessXEvent(WXEvent* event);
  73
  74 #ifdef __WXDEBUG__
  75     virtual void OnAssert(const wxChar *file, int line, const wxChar* cond, const wxChar *msg);
  76 #endif // __WXDEBUG__
  77
  78 protected:
  79     bool                  m_showOnInit;
  80
  81 public:
  82     // Implementation
  83     virtual bool Initialize(int& argc, wxChar **argv);
  84     virtual void CleanUp();
  85
  86     WXWindow       GetTopLevelWidget() const { return m_topLevelWidget; }
  87     WXColormap     GetMainColormap(WXDisplay* display);
  88     long           GetMaxRequestSize() const { return m_maxRequestSize; }
  89
  90     // This handler is called when a property change event occurs
  91     virtual bool HandlePropertyChange(WXEvent *event);
  92
  93     // Values that can be passed on the command line.
  94     // Returns -1, -1 if none specified.
  95     const wxSize& GetInitialSize() const { return m_initialSize; }
  96     bool GetShowIconic() const { return m_showIconic; }
  97
  98 #if wxUSE_UNICODE
  99     // Global context for Pango layout. Either use X11
 100     // or use Xft rendering according to GDK_USE_XFT
 101     // environment variable
 102     PangoContext* GetPangoContext();
 103 #endif
 104
 105     wxXVisualInfo* GetVisualInfo(WXDisplay* display)
 106     {
 107         // this should be implemented correctly for wxBitmap to work
 108         // with multiple display
 109         return m_visualInfo;
 110     }
 111
 112     // We need this before creating the app
 113     static   WXDisplay* GetDisplay() { return ms_display; }
 114     static   WXDisplay* ms_display;
 115
 116 public:
 117     static long           sm_lastMessageTime;
 118     bool                  m_showIconic;
 119     wxSize                m_initialSize;
 120
 121 #if !wxUSE_NANOX
 122     wxXVisualInfo*        m_visualInfo;
 123 #endif
 124
 125 protected:
 126     bool                  m_keepGoing;
 127
 128     WXWindow              m_topLevelWidget;
 129     WXColormap            m_mainColormap;
 130     long                  m_maxRequestSize;
 131     wxEventLoop*          m_mainLoop;
 132
 133     DECLARE_EVENT_TABLE()
 134 };
 135
 136 #endif // _WX_APP_H_
 137