include/wx/gtk/app.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        app.h
   3 // Purpose:
   4 // Author:      Robert Roebling
   5 // Id:          $Id$
   6 // Copyright:   (c) 1998 Robert Roebling, Julian Smart
   7 // Licence:     wxWindows licence
   8 /////////////////////////////////////////////////////////////////////////////
   9
  10 #ifndef __GTKAPPH__
  11 #define __GTKAPPH__
  12
  13 #ifdef __GNUG__
  14 #pragma interface
  15 #endif
  16
  17 #include "wx/defs.h"
  18 #include "wx/window.h"
  19 #include "wx/frame.h"
  20
  21 //-----------------------------------------------------------------------------
  22 // classes
  23 //-----------------------------------------------------------------------------
  24
  25 class wxApp;
  26 class wxLog;
  27
  28 //-----------------------------------------------------------------------------
  29 // global data
  30 //-----------------------------------------------------------------------------
  31
  32 extern wxApp *wxTheApp;
  33
  34 //-----------------------------------------------------------------------------
  35 // global functions
  36 //-----------------------------------------------------------------------------
  37
  38 void wxExit(void);
  39 bool wxYield(void);
  40
  41 //-----------------------------------------------------------------------------
  42 // constants
  43 //-----------------------------------------------------------------------------
  44
  45 #define wxPRINT_WINDOWS         1
  46 #define wxPRINT_POSTSCRIPT      2
  47
  48 //-----------------------------------------------------------------------------
  49 // wxApp
  50 //-----------------------------------------------------------------------------
  51
  52 class wxApp: public wxEvtHandler
  53 {
  54   DECLARE_DYNAMIC_CLASS(wxApp)
  55
  56   public:
  57
  58     wxApp();
  59     ~wxApp();
  60
  61     static void SetInitializerFunction(wxAppInitializerFunction fn) { m_appInitFn = fn; }
  62     static wxAppInitializerFunction GetInitializerFunction() { return m_appInitFn; }
  63
  64     /* override for altering the way wxGTK intializes the GUI (palette/visual/colorcube).
  65      * under wxMSW, OnInitGui() does nothing by default. when overriding this method,
  66      * the code in it is likely to be platform dependent, otherwise use OnInit(). */
  67     virtual bool OnInitGui();
  68
  69     /* override to create top level frame, display splash screen etc. */
  70     virtual bool OnInit() { return FALSE; }
  71
  72     virtual int OnRun() { return MainLoop(); }
  73     virtual int OnExit() { return 0; }
  74
  75     wxWindow *GetTopWindow();
  76     void SetTopWindow( wxWindow *win );
  77     virtual int MainLoop();
  78     void ExitMainLoop();
  79     bool Initialized();
  80     virtual bool Pending();
  81     virtual void Dispatch();
  82
  83     inline void SetWantDebugOutput(bool flag) { m_wantDebugOutput = flag; }
  84     inline bool GetWantDebugOutput() { return m_wantDebugOutput; }
  85
  86     void OnIdle( wxIdleEvent &event );
  87     bool SendIdleEvents();
  88     bool SendIdleEvents( wxWindow* win );
  89
  90     inline wxString GetAppName() const
  91     {
  92       if (m_appName != "")
  93         return m_appName;
  94       else return m_className;
  95     }
  96
  97     inline void SetAppName(const wxString& name) { m_appName = name; };
  98     inline wxString GetClassName() const { return m_className; }
  99     inline void SetClassName(const wxString& name) { m_className = name; }
 100     const wxString& GetVendorName() const { return m_vendorName; }
 101     void SetVendorName(const wxString& name) { m_vendorName = name; }
 102
 103     inline void SetExitOnFrameDelete(bool flag) { m_exitOnFrameDelete = flag; }
 104     inline bool GetExitOnFrameDelete() const { return m_exitOnFrameDelete; }
 105
 106     void SetPrintMode(int WXUNUSED(mode) ) {};
 107     int GetPrintMode() const { return wxPRINT_POSTSCRIPT; };
 108
 109     /* override this function to create default log target of arbitrary
 110      * user-defined classv (default implementation creates a wxLogGui object) */
 111     virtual wxLog *CreateLogTarget();
 112
 113   /* GTK implementation */
 114
 115     static bool Initialize();
 116     static bool InitialzeVisual();
 117     static void CleanUp();
 118
 119     bool ProcessIdle();
 120     void DeletePendingObjects();
 121
 122     bool            m_initialized;
 123     bool            m_exitOnFrameDelete;
 124     bool            m_wantDebugOutput;
 125     wxWindow       *m_topWindow;
 126
 127     gint            m_idleTag;
 128     unsigned char  *m_colorCube;
 129
 130     int             argc;
 131     char          **argv;
 132
 133     static wxAppInitializerFunction m_appInitFn;
 134
 135 private:
 136   wxString m_vendorName,
 137            m_appName,
 138            m_className;
 139
 140   DECLARE_EVENT_TABLE()
 141 };
 142
 143 #endif // __GTKAPPH__