include/wx/motif/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 #ifdef __GNUG__
  16 #pragma interface "app.h"
  17 #endif
  18
  19 #include "wx/defs.h"
  20 #include "wx/object.h"
  21 #include "wx/gdicmn.h"
  22 #include "wx/event.h"
  23
  24 class WXDLLEXPORT wxFrame;
  25 class WXDLLEXPORT wxWindow;
  26 class WXDLLEXPORT wxApp ;
  27 class WXDLLEXPORT wxKeyEvent;
  28 class WXDLLEXPORT wxLog;
  29
  30 #define wxPRINT_WINDOWS         1
  31 #define wxPRINT_POSTSCRIPT      2
  32
  33 WXDLLEXPORT_DATA(extern wxApp*) wxTheApp;
  34
  35 // Force an exit from main loop
  36 void WXDLLEXPORT wxExit();
  37
  38 // Yield to other apps/messages
  39 bool WXDLLEXPORT wxYield();
  40
  41 // Represents the application. Derive OnInit and declare
  42 // a new App object to start application
  43 class WXDLLEXPORT wxApp: public wxEvtHandler
  44 {
  45   DECLARE_DYNAMIC_CLASS(wxApp)
  46   wxApp();
  47   inline ~wxApp() {}
  48
  49   static void SetInitializerFunction(wxAppInitializerFunction fn) { m_appInitFn = fn; }
  50   static wxAppInitializerFunction GetInitializerFunction() { return m_appInitFn; }
  51
  52   virtual int MainLoop();
  53   void ExitMainLoop();
  54   bool Initialized();
  55   virtual bool Pending() ;
  56   virtual void Dispatch() ;
  57
  58   void OnIdle(wxIdleEvent& event);
  59
  60 // Generic
  61   virtual bool OnInit() { return FALSE; };
  62
  63   // Create an application context
  64   virtual bool OnInitGui();
  65
  66   // Called to set off the main loop
  67   virtual int OnRun() { return MainLoop(); };
  68   virtual int OnExit() { return 0; }
  69
  70   /** Returns the standard icons for the msg dialogs, implemented in
  71       src/generic/msgdlgg.cpp and src/gtk/app.cpp. */
  72   virtual wxIcon GetStdIcon(int which) const;
  73
  74   inline void SetPrintMode(int mode) { m_printMode = mode; }
  75   inline int GetPrintMode() const { return m_printMode; }
  76
  77   inline void SetExitOnFrameDelete(bool flag) { m_exitOnFrameDelete = flag; }
  78   inline bool GetExitOnFrameDelete() const { return m_exitOnFrameDelete; }
  79
  80   inline wxString GetAppName() const {
  81       if (m_appName != "")
  82         return m_appName;
  83       else return m_className;
  84     }
  85
  86   inline void SetAppName(const wxString& name) { m_appName = name; };
  87   inline wxString GetClassName() const { return m_className; }
  88   inline void SetClassName(const wxString& name) { m_className = name; }
  89
  90   void SetVendorName(const wxString& vendorName) { m_vendorName = vendorName; }
  91   const wxString& GetVendorName() const { return m_vendorName; }
  92
  93   wxWindow *GetTopWindow() const ;
  94   inline void SetTopWindow(wxWindow *win) { m_topWindow = win; }
  95
  96   inline void SetWantDebugOutput(bool flag) { m_wantDebugOutput = flag; }
  97   inline bool GetWantDebugOutput() { return m_wantDebugOutput; }
  98
  99   // Send idle event to all top-level windows.
 100   // Returns TRUE if more idle time is requested.
 101   bool SendIdleEvents();
 102
 103   // Send idle event to window and all subwindows
 104   // Returns TRUE if more idle time is requested.
 105   bool SendIdleEvents(wxWindow* win);
 106
 107   // Windows only, but for compatibility...
 108   inline void SetAuto3D(bool flag) { m_auto3D = flag; }
 109   inline bool GetAuto3D() const { return m_auto3D; }
 110
 111   // Creates a log object
 112   virtual wxLog* CreateLogTarget();
 113
 114 // Motif implementation.
 115
 116   // Processes an X event.
 117   virtual void ProcessXEvent(WXEvent* event);
 118
 119   // Returns TRUE if an accelerator has been processed
 120   virtual bool CheckForAccelerator(WXEvent* event);
 121
 122 public:
 123   // Will always be set to the appropriate, main-style values.
 124   int                   argc;
 125   char **               argv;
 126
 127 protected:
 128   bool                  m_wantDebugOutput ;
 129   wxString              m_className;
 130   wxString              m_appName,
 131                         m_vendorName;
 132   wxWindow *            m_topWindow;
 133   bool                  m_exitOnFrameDelete;
 134   bool                  m_showOnInit;
 135   int                   m_printMode; // wxPRINT_WINDOWS, wxPRINT_POSTSCRIPT
 136   bool                  m_auto3D ;   // Always use 3D controls, except
 137                                  // where overriden
 138   static wxAppInitializerFunction       m_appInitFn;
 139
 140 public:
 141
 142   // Implementation
 143   static bool Initialize();
 144   static void CleanUp();
 145
 146   void DeletePendingObjects();
 147   bool ProcessIdle();
 148 #if wxUSE_THREADS
 149   void ProcessPendingEvents();
 150 #endif
 151
 152   // Motif-specific
 153   inline WXAppContext   GetAppContext() const { return m_appContext; }
 154   inline WXWidget       GetTopLevelWidget() const { return m_topLevelWidget; }
 155   WXColormap            GetMainColormap(WXDisplay* display) ;
 156   WXDisplay*            GetInitialDisplay() const { return m_initialDisplay; }
 157   inline long           GetMaxRequestSize() const { return m_maxRequestSize; }
 158
 159   // This handler is called when a property change event occurs
 160   virtual void          HandlePropertyChange(WXEvent *event);
 161
 162 public:
 163   static long           sm_lastMessageTime;
 164   int                   m_nCmdShow;
 165
 166 protected:
 167   bool                  m_keepGoing ;
 168
 169 // Motif-specific
 170   WXAppContext          m_appContext;
 171   WXWidget              m_topLevelWidget;
 172   WXColormap            m_mainColormap;
 173   WXDisplay*            m_initialDisplay;
 174   long                  m_maxRequestSize;
 175
 176 DECLARE_EVENT_TABLE()
 177 };
 178
 179 int WXDLLEXPORT wxEntry( int argc, char *argv[] );
 180
 181 #endif
 182     // _WX_APP_H_
 183