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