X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/e90c1d2a19361551eb07778280f22be3e759cf64..bf7d7ee7062f7f6028df40e43745235658e38b4d:/include/wx/app.h diff --git a/include/wx/app.h b/include/wx/app.h index ea63c80601..cdd0e46cf5 100644 --- a/include/wx/app.h +++ b/include/wx/app.h @@ -21,7 +21,7 @@ // typedefs // ---------------------------------------------------------------------------- -#ifdef __WXMSW__ +#if (defined(__WXMSW__) && !defined(__WXMICROWIN__)) || defined (__WXPM__) class WXDLLEXPORT wxApp; typedef wxApp* (*wxAppInitializerFunction)(); #else @@ -59,9 +59,13 @@ static const int wxPRINT_POSTSCRIPT = 2; class WXDLLEXPORT wxAppBase : public wxEvtHandler { public: + wxAppBase(); + // the virtual functions which may/must be overridden in the derived class // ----------------------------------------------------------------------- - +#ifdef __WXMAC_X__ + virtual ~wxAppBase() {} // Added min for Mac X +#endif // called during the program initialization, returning FALSE from here // prevents the program from continuing - it's a good place to create // the top level program window and return TRUE. @@ -78,7 +82,7 @@ public: // depend on the toolkit. default version does nothing. // // Override: rarely. - virtual bool OnInitGui() { return TRUE; } + virtual bool OnInitGui(); #endif // wxUSE_GUI // called to start program execution - the default version just enters @@ -100,7 +104,7 @@ 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 @@ -163,13 +167,16 @@ public: // top level window functions // -------------------------- + // return TRUE if our app has focus + virtual bool IsActive() const { return m_isActive; } + // set the "main" top level window void SetTopWindow(wxWindow *win) { m_topWindow = win; } // return the "main" top level window (if it hadn't been set previously // with SetTopWindow(), will return just some top level window and, if // there are none, will return NULL) - wxWindow *GetTopWindow() const + virtual wxWindow *GetTopWindow() const { if (m_topWindow) return m_topWindow; @@ -198,11 +205,11 @@ public: // object) - this log object is used by default by all wxLogXXX() // functions. virtual wxLog *CreateLogTarget() -#if wxUSE_GUI - { return new wxLogGui; } -#else // !GUI - { return new wxLogStderr; } -#endif // wxUSE_GUI + #if wxUSE_GUI && wxUSE_LOGGUI && !defined(__WXMICROWIN__) + { return new wxLogGui; } + #else // !GUI + { return new wxLogStderr; } + #endif // wxUSE_GUI #endif // wxUSE_LOG #if wxUSE_GUI @@ -215,12 +222,21 @@ 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; } + + // called by toolkit-specific code to set the app status: active (we have + // focus) or not and also the last window which had focus before we were + // deactivated + virtual void SetActive(bool isActive, wxWindow *lastFocus); #endif // wxUSE_GUI // implementation only from now on @@ -232,11 +248,13 @@ 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; wxChar **argv; -//private: protected: // function used for dynamic wxApp creation static wxAppInitializerFunction m_appInitFn; @@ -246,15 +264,22 @@ protected: m_appName, // app name m_className; // class name - // if TRUE, exit the main loop when the last top level window is deleted - bool m_exitOnFrameDelete; - // TRUE if the application wants to get debug output bool m_wantDebugOutput; #if wxUSE_GUI // the main top level window - may be NULL wxWindow *m_topWindow; + + // if TRUE, exit the main loop when the last top level window is deleted + bool m_exitOnFrameDelete; + + // 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; + + // does any of our windows has focus? + bool m_isActive; #endif // wxUSE_GUI }; @@ -267,6 +292,8 @@ protected: #include "wx/msw/app.h" #elif defined(__WXMOTIF__) #include "wx/motif/app.h" + #elif defined(__WXMGL__) + #include "wx/mgl/app.h" #elif defined(__WXQT__) #include "wx/qt/app.h" #elif defined(__WXGTK__) @@ -279,7 +306,10 @@ protected: #include "wx/stubs/app.h" #endif #else // !GUI - typedef wxAppBase wxApp; + // can't use typedef because wxApp forward declared as a class + class WXDLLEXPORT wxApp : public wxAppBase + { + }; #endif // GUI/!GUI // ---------------------------------------------------------------------------- @@ -299,21 +329,33 @@ WXDLLEXPORT_DATA(extern wxApp*) wxTheApp; // event loop related functions only work in GUI programs // ------------------------------------------------------ -#if wxUSE_GUI - // 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 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_NOGUI +#if !wxUSE_GUI // initialize the library (may be called as many times as needed, but each // call to wxInitialize() must be matched by wxUninitialize()) @@ -323,7 +365,28 @@ extern bool WXDLLEXPORT wxInitialize(); // wxUninitialize() extern void WXDLLEXPORT wxUninitialize(); -#endif // wxUSE_NOGUI +// create an object of this class on stack to initialize/cleanup thel ibrary +// automatically +class WXDLLEXPORT wxInitializer +{ +public: + // initialize the library + wxInitializer() { m_ok = wxInitialize(); } + + // has the initialization been successful? (explicit test) + bool IsOk() const { return m_ok; } + + // has the initialization been successful? (implicit test) + operator bool() const { return m_ok; } + + // dtor only does clean up if we initialized the library properly + ~wxInitializer() { if ( m_ok ) wxUninitialize(); } + +private: + bool m_ok; +}; + +#endif // !wxUSE_GUI // ---------------------------------------------------------------------------- // macros for dynamic creation of the application object @@ -344,41 +407,52 @@ 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(__WXMAC__) && defined(__UNIX__) + // wxMac seems to have a specific wxEntry prototype + #define IMPLEMENT_WXWIN_MAIN \ + extern int wxEntry( int argc, char *argv[], bool enterLoop = 1 ); \ + 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