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 // ----------------------------------------------------------------------------
  16 // headers
  17 // ----------------------------------------------------------------------------
  18
  19 #include "wx/gdicmn.h"
  20 #include "wx/event.h"
  21
  22 // ----------------------------------------------------------------------------
  23 // forward declarations
  24 // ----------------------------------------------------------------------------
  25
  26 class WXDLLEXPORT wxFrame;
  27 class WXDLLEXPORT wxWindow;
  28 class WXDLLEXPORT wxApp;
  29 class WXDLLEXPORT wxKeyEvent;
  30 class WXDLLEXPORT wxLog;
  31 class WXDLLEXPORT wxXVisualInfo;
  32
  33 // ----------------------------------------------------------------------------
  34 // the wxApp class for wxX11 - see wxAppBase for more details
  35 // ----------------------------------------------------------------------------
  36
  37 class WXDLLEXPORT wxApp : public wxAppBase
  38 {
  39     DECLARE_DYNAMIC_CLASS(wxApp)
  40
  41 public:
  42     wxApp();
  43     ~wxApp();
  44
  45     // override base class (pure) virtuals
  46     // -----------------------------------
  47
  48     virtual void Exit();
  49
  50     virtual bool Yield(bool onlyIfNeeded = FALSE);
  51     virtual void WakeUpIdle();
  52
  53     virtual bool OnInitGui();
  54
  55     // implementation from now on
  56     // --------------------------
  57
  58     // Processes an X event.
  59     virtual bool ProcessXEvent(WXEvent* event);
  60
  61 #ifdef __WXDEBUG__
  62     virtual void OnAssert(const wxChar *file, int line, const wxChar* cond, const wxChar *msg);
  63 #endif // __WXDEBUG__
  64
  65 protected:
  66     bool                  m_showOnInit;
  67
  68 public:
  69     // Implementation
  70     virtual bool Initialize(int& argc, wxChar **argv);
  71     virtual void CleanUp();
  72
  73     WXWindow       GetTopLevelWidget() const { return m_topLevelWidget; }
  74     WXColormap     GetMainColormap(WXDisplay* display);
  75     long           GetMaxRequestSize() const { return m_maxRequestSize; }
  76
  77     // This handler is called when a property change event occurs
  78     virtual bool HandlePropertyChange(WXEvent *event);
  79
  80     // Values that can be passed on the command line.
  81     // Returns -1, -1 if none specified.
  82     const wxSize& GetInitialSize() const { return m_initialSize; }
  83     bool GetShowIconic() const { return m_showIconic; }
  84
  85 #if wxUSE_UNICODE
  86     // Global context for Pango layout. Either use X11
  87     // or use Xft rendering according to GDK_USE_XFT
  88     // environment variable
  89     PangoContext* GetPangoContext();
  90 #endif
  91
  92     wxXVisualInfo* GetVisualInfo(WXDisplay* display)
  93     {
  94         // this should be implemented correctly for wxBitmap to work
  95         // with multiple display
  96         return m_visualInfo;
  97     }
  98
  99     // We need this before creating the app
 100     static   WXDisplay* GetDisplay() { return ms_display; }
 101     static   WXDisplay* ms_display;
 102
 103 public:
 104     static long           sm_lastMessageTime;
 105     bool                  m_showIconic;
 106     wxSize                m_initialSize;
 107
 108 #if !wxUSE_NANOX
 109     wxXVisualInfo*        m_visualInfo;
 110 #endif
 111
 112 protected:
 113     bool                  m_keepGoing;
 114
 115     WXWindow              m_topLevelWidget;
 116     WXColormap            m_mainColormap;
 117     long                  m_maxRequestSize;
 118
 119     DECLARE_EVENT_TABLE()
 120 };
 121
 122 #endif // _WX_APP_H_
 123