X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/094637f6d69918150d3dfdb199ad7c92e3189f78..3794e8d6b0334503069b7c4e943c50841b63595f:/include/wx/app.h diff --git a/include/wx/app.h b/include/wx/app.h index 77e62a20a9..5538e053bd 100644 --- a/include/wx/app.h +++ b/include/wx/app.h @@ -21,7 +21,7 @@ // typedefs // ---------------------------------------------------------------------------- -#ifdef __WXMSW__ +#if defined(__WXMSW__) || defined (__WXPM__) class WXDLLEXPORT wxApp; typedef wxApp* (*wxAppInitializerFunction)(); #else @@ -31,6 +31,20 @@ typedef wxObject* (*wxAppInitializerFunction)(); #endif +// ---------------------------------------------------------------------------- +// headers we have to include here +// ---------------------------------------------------------------------------- + +#include "wx/event.h" // for the base class + +#if wxUSE_GUI + #include "wx/window.h" // for wxTopLevelWindows +#endif // wxUSE_GUI + +#if wxUSE_LOG + #include "wx/log.h" +#endif + // ---------------------------------------------------------------------------- // constants // ---------------------------------------------------------------------------- @@ -52,22 +66,33 @@ public: // prevents the program from continuing - it's a good place to create // the top level program window and return TRUE. // - // Override: always. + // Override: always in GUI application, rarely in console ones. +#if wxUSE_GUI virtual bool OnInit() { return FALSE; }; +#else // !GUI + virtual bool OnInit() { return TRUE; }; +#endif // wxUSE_GUI +#if wxUSE_GUI // a platform-dependent version of OnInit(): the code here is likely to // depend on the toolkit. default version does nothing. // // Override: rarely. virtual bool OnInitGui() { return TRUE; } +#endif // wxUSE_GUI // called to start program execution - the default version just enters // the main GUI loop in which events are received and processed until // the last window is not deleted (if GetExitOnFrameDelete) or - // ExitMainLoop() is called. + // ExitMainLoop() is called. In console mode programs, the execution + // of the program really starts here // - // Override: rarely. + // Override: rarely in GUI applications, always in console ones. +#if wxUSE_GUI virtual int OnRun() { return MainLoop(); }; +#else // !GUI + virtual int OnRun() = 0; +#endif // wxUSE_GUI // called after the main loop termination. This is a good place for // cleaning up (it may be too late in dtor) and is also useful if you @@ -75,7 +100,7 @@ public: // value of this method. // // Override: often. - virtual int OnExit() { return 0; } + virtual int OnExit(); // called when a fatal exception occurs, this function should take care // not to do anything which might provoke a nested exception! It may be @@ -90,6 +115,7 @@ public: // the worker functions - usually not used directly by the user code // ----------------------------------------------------------------- +#if wxUSE_GUI // execute the main GUI loop, the function returns when the loop ends virtual int MainLoop() = 0; @@ -106,6 +132,7 @@ public: // process the first event in the event queue (blocks until an event // apperas if there are none currently) virtual void Dispatch() = 0; +#endif // wxUSE_GUI // application info: name, description, vendor // ------------------------------------------- @@ -132,6 +159,7 @@ public: const wxString& GetVendorName() const { return m_vendorName; } void SetVendorName(const wxString& name) { m_vendorName = name; } +#if wxUSE_GUI // top level window functions // -------------------------- @@ -159,6 +187,8 @@ public: void SetExitOnFrameDelete(bool flag) { m_exitOnFrameDelete = flag; } bool GetExitOnFrameDelete() const { return m_exitOnFrameDelete; } +#endif // wxUSE_GUI + // miscellaneous customization functions // ------------------------------------- @@ -167,10 +197,15 @@ public: // user-defined class (default implementation creates a wxLogGui // object) - this log object is used by default by all wxLogXXX() // functions. - virtual wxLog *CreateLogTarget() { return new wxLogGui; } + virtual wxLog *CreateLogTarget() +#if wxUSE_GUI + { return new wxLogGui; } +#else // !GUI + { return new wxLogStderr; } +#endif // wxUSE_GUI #endif // wxUSE_LOG - +#if wxUSE_GUI // get the standard icon used by wxWin dialogs - this allows the user // to customize the standard dialogs. The 'which' parameter is one of // wxICON_XXX values @@ -180,12 +215,17 @@ public: void SetWantDebugOutput( bool flag ) { m_wantDebugOutput = flag; } bool GetWantDebugOutput() const { return m_wantDebugOutput; } + // set use of best visual flag (see below) + void SetUseBestVisual( bool flag ) { m_useBestVisual = flag; } + bool GetUseBestVisual() const { return m_useBestVisual; } + // set/get printing mode: see wxPRINT_XXX constants. // // default behaviour is the normal one for Unix: always use PostScript // printing. virtual void SetPrintMode(int WXUNUSED(mode)) { } int GetPrintMode() const { return wxPRINT_POSTSCRIPT; } +#endif // wxUSE_GUI // implementation only from now on // ------------------------------- @@ -196,9 +236,12 @@ public: static wxAppInitializerFunction GetInitializerFunction() { return m_appInitFn; } + // process all events in the wxPendingEvents list + virtual void ProcessPendingEvents(); + // access to the command line arguments - int argc; - char **argv; + int argc; + wxChar **argv; //private: protected: @@ -216,27 +259,97 @@ protected: // TRUE if the application wants to get debug output bool m_wantDebugOutput; + // TRUE if the apps whats to use the best visual on systems where + // more than one are available (Sun, SGI, XFree86 4.0 ?) + bool m_useBestVisual; + +#if wxUSE_GUI // the main top level window - may be NULL wxWindow *m_topWindow; +#endif // wxUSE_GUI }; // ---------------------------------------------------------------------------- // now include the declaration of the real class // ---------------------------------------------------------------------------- -#if defined(__WXMSW__) - #include "wx/msw/app.h" -#elif defined(__WXMOTIF__) - #include "wx/motif/app.h" -#elif defined(__WXQT__) - #include "wx/qt/app.h" -#elif defined(__WXGTK__) - #include "wx/gtk/app.h" -#elif defined(__WXMAC__) - #include "wx/mac/app.h" -#elif defined(__WXSTUBS__) - #include "wx/stubs/app.h" -#endif +#if wxUSE_GUI + #if defined(__WXMSW__) + #include "wx/msw/app.h" + #elif defined(__WXMOTIF__) + #include "wx/motif/app.h" + #elif defined(__WXQT__) + #include "wx/qt/app.h" + #elif defined(__WXGTK__) + #include "wx/gtk/app.h" + #elif defined(__WXMAC__) + #include "wx/mac/app.h" + #elif defined(__WXPM__) + #include "wx/os2/app.h" + #elif defined(__WXSTUBS__) + #include "wx/stubs/app.h" + #endif +#else // !GUI + // can't use typedef because wxApp forward declared as a class + class WXDLLEXPORT wxApp : public wxAppBase + { + }; +#endif // GUI/!GUI + +// ---------------------------------------------------------------------------- +// the global data +// ---------------------------------------------------------------------------- + +// the one and only application object - use of wxTheApp in application code +// is discouraged, consider using DECLARE_APP() after which you may call +// wxGetApp() which will return the object of the correct type (i.e. MyApp and +// not wxApp) +WXDLLEXPORT_DATA(extern wxApp*) wxTheApp; + +// ---------------------------------------------------------------------------- +// global functions +// ---------------------------------------------------------------------------- + +// event loop related functions only work in GUI programs +// ------------------------------------------------------ + +// Force an exit from main loop +extern void WXDLLEXPORT wxExit(); + +// Yield to other apps/messages +extern bool WXDLLEXPORT wxYield(); + +// Yield to other apps/messages +extern void WXDLLEXPORT wxWakeUpIdle(); + +// Post a message to the given eventhandler which will be processed during the +// next event loop iteration +inline void WXDLLEXPORT wxPostEvent(wxEvtHandler *dest, wxEvent& event) +{ + wxCHECK_RET( dest, wxT("need an object to post event to in wxPostEvent") ); + +#if wxUSE_GUI + dest->AddPendingEvent(event); +#else + dest->ProcessEvent(event); +#endif // wxUSE_GUI +} + +// console applications may avoid using DECLARE_APP and IMPLEMENT_APP macros +// and call these functions instead at the program startup and termination +// ------------------------------------------------------------------------- + +#if !wxUSE_GUI + +// initialize the library (may be called as many times as needed, but each +// call to wxInitialize() must be matched by wxUninitialize()) +extern bool WXDLLEXPORT wxInitialize(); + +// clean up - the library can't be used any more after the last call to +// wxUninitialize() +extern void WXDLLEXPORT wxUninitialize(); + +#endif // !wxUSE_GUI // ---------------------------------------------------------------------------- // macros for dynamic creation of the application object @@ -257,41 +370,47 @@ public: // be in your main program (e.g. hello.cpp). Now IMPLEMENT_APP should add this // code if required. -#if defined(__AIX__) || defined(__HPUX__) +#if !wxUSE_GUI || defined(__WXMOTIF__) || defined(__WXGTK__) || defined(__WXPM__) #define IMPLEMENT_WXWIN_MAIN \ extern int wxEntry( int argc, char *argv[] ); \ int main(int argc, char *argv[]) { return wxEntry(argc, argv); } #elif defined(__WXMSW__) && defined(WXUSINGDLL) // NT defines APIENTRY, 3.x not #if !defined(WXAPIENTRY) - #ifdef __WATCOMC__ - #define WXAPIENTRY PASCAL - #else - #define WXAPIENTRY FAR PASCAL - #endif + #define WXAPIENTRY WXFAR wxSTDCALL #endif + #include + #include "wx/msw/winundef.h" + #define IMPLEMENT_WXWIN_MAIN \ - int WXAPIENTRY WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance,\ - LPSTR m_lpCmdLine, int nCmdShow )\ + extern "C" int WXAPIENTRY WinMain(HINSTANCE hInstance,\ + HINSTANCE hPrevInstance,\ + LPSTR m_lpCmdLine, int nCmdShow)\ {\ - return wxEntry((WXHINSTANCE) hInstance, \ + return wxEntry((WXHINSTANCE) hInstance,\ (WXHINSTANCE) hPrevInstance,\ m_lpCmdLine, nCmdShow);\ } - #else #define IMPLEMENT_WXWIN_MAIN #endif -// use this macro exactly once, the argument is the name of the wxApp-derived -// class which is the class of your application -#define IMPLEMENT_APP(appname) \ - wxApp *wxCreateApp() { return new appname; } \ +// Use this macro exactly once, the argument is the name of the wxApp-derived +// class which is the class of your application. +#define IMPLEMENT_APP(appname) \ + wxApp *wxCreateApp() { return new appname; } \ wxAppInitializer wxTheAppInitializer((wxAppInitializerFunction) wxCreateApp); \ appname& wxGetApp() { return *(appname *)wxTheApp; } \ IMPLEMENT_WXWIN_MAIN +// Use this macro if you want to define your own main() or WinMain() function +// and call wxEntry() from there. +#define IMPLEMENT_APP_NO_MAIN(appname) \ + wxApp *wxCreateApp() { return new appname; } \ + wxAppInitializer wxTheAppInitializer((wxAppInitializerFunction) wxCreateApp); \ + appname& wxGetApp() { return *(appname *)wxTheApp; } + #define DECLARE_APP(appname) extern appname& wxGetApp(); #endif