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 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     // Processes an X event.
  70     virtual bool ProcessXEvent(WXEvent* event);
  71
  72 #ifdef __WXDEBUG__
  73     virtual void OnAssert(const wxChar *file, int line, const wxChar* cond, const wxChar *msg);
  74 #endif // __WXDEBUG__
  75
  76 protected:
  77     bool                  m_showOnInit;
  78
  79 public:
  80     // Implementation
  81     virtual bool Initialize(int& argc, wxChar **argv);
  82     virtual void CleanUp();
  83
  84     WXWindow       GetTopLevelWidget() const { return m_topLevelWidget; }
  85     WXColormap     GetMainColormap(WXDisplay* display);
  86     long           GetMaxRequestSize() const { return m_maxRequestSize; }
  87
  88     // This handler is called when a property change event occurs
  89     virtual bool HandlePropertyChange(WXEvent *event);
  90
  91     // Values that can be passed on the command line.
  92     // Returns -1, -1 if none specified.
  93     const wxSize& GetInitialSize() const { return m_initialSize; }
  94     bool GetShowIconic() const { return m_showIconic; }
  95
  96 #if wxUSE_UNICODE
  97     // Global context for Pango layout. Either use X11
  98     // or use Xft rendering according to GDK_USE_XFT
  99     // environment variable
 100     PangoContext* GetPangoContext();
 101 #endif
 102
 103     wxXVisualInfo* GetVisualInfo(WXDisplay* display)
 104     {
 105         // this should be implemented correctly for wxBitmap to work
 106         // with multiple display
 107         return m_visualInfo;
 108     }
 109
 110     // We need this before creating the app
 111     static   WXDisplay* GetDisplay() { return ms_display; }
 112     static   WXDisplay* ms_display;
 113
 114 public:
 115     static long           sm_lastMessageTime;
 116     bool                  m_showIconic;
 117     wxSize                m_initialSize;
 118
 119 #if !wxUSE_NANOX
 120     wxXVisualInfo*        m_visualInfo;
 121 #endif
 122
 123 protected:
 124     bool                  m_keepGoing;
 125
 126     WXWindow              m_topLevelWidget;
 127     WXColormap            m_mainColormap;
 128     long                  m_maxRequestSize;
 129     wxEventLoop*          m_mainLoop;
 130
 131     DECLARE_EVENT_TABLE()
 132 };
 133
 134 #endif // _WX_APP_H_
 135