X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/4629016dfb6b082542523aa70b3beff197a2d139..5064e6eff3ca35cb20130dc9e5e53fb3ac02127e:/include/wx/app.h diff --git a/include/wx/app.h b/include/wx/app.h index d4648e873d..07a9758ad3 100644 --- a/include/wx/app.h +++ b/include/wx/app.h @@ -18,15 +18,9 @@ // ---------------------------------------------------------------------------- #include "wx/event.h" // for the base class - -#if wxUSE_GUI - #include "wx/window.h" // for wxTopLevelWindows - - #include "wx/vidmode.h" -#endif // wxUSE_GUI - #include "wx/build.h" #include "wx/init.h" // we must declare wxEntry() +#include "wx/intl.h" // for wxLayoutDirection class WXDLLIMPEXP_BASE wxAppConsole; class WXDLLIMPEXP_BASE wxAppTraits; @@ -34,14 +28,9 @@ class WXDLLIMPEXP_BASE wxCmdLineParser; class WXDLLIMPEXP_BASE wxLog; class WXDLLIMPEXP_BASE wxMessageOutput; -// wxUSE_EVTLOOP_IN_APP is a temporary hack needed until all ports are updated -// to use wxEventLoop, otherwise we get linking errors on wxMac, it's going to -// disappear a.s.a.p. -#ifdef __WXMAC__ - #define wxUSE_EVTLOOP_IN_APP 0 -#else - #define wxUSE_EVTLOOP_IN_APP 1 +#if wxUSE_GUI class WXDLLEXPORT wxEventLoop; + struct WXDLLIMPEXP_CORE wxVideoMode; #endif // ---------------------------------------------------------------------------- @@ -116,20 +105,6 @@ public: // crash. virtual void OnFatalException() { } -#if wxUSE_EXCEPTIONS - // function called if an uncaught exception is caught inside the main - // event loop: it may return true to continue running the event loop or - // false to stop it (in the latter case it may rethrow the exception as - // well) - virtual bool OnExceptionInMainLoop(); - - // Called when an unhandled C++ exception occurs inside OnRun(): note that - // the exception type is lost by now, so if you really want to handle the - // exception you should override OnRun() and put a try/catch around - // MainLoop() call there - virtual void OnUnhandledException() { } -#endif // wxUSE_EXCEPTIONS - // Called from wxExit() function, should terminate the application a.s.a.p. virtual void Exit(); @@ -198,23 +173,6 @@ public: // allows us to abstract the differences behind the common façade wxAppTraits *GetTraits(); - // the functions below shouldn't be used now that we have wxAppTraits -#if WXWIN_COMPATIBILITY_2_4 - -#if wxUSE_LOG - // override this function to create default log target of arbitrary - // user-defined class (default implementation creates a wxLogGui - // object) -- this log object is used by default by all wxLogXXX() - // functions. - virtual wxLog *CreateLogTarget(); -#endif // wxUSE_LOG - - // similar to CreateLogTarget() but for the global wxMessageOutput - // object - virtual wxMessageOutput *CreateMessageOutput(); - -#endif // WXWIN_COMPATIBILITY_2_4 - // event processing functions // -------------------------- @@ -237,6 +195,12 @@ public: virtual void HandleEvent(wxEvtHandler *handler, wxEventFunction func, wxEvent& event) const; + + // Called when an unhandled C++ exception occurs inside OnRun(): note that + // the exception type is lost by now, so if you really want to handle the + // exception you should override OnRun() and put a try/catch around + // MainLoop() call there or use OnExceptionInMainLoop() + virtual void OnUnhandledException() { } #endif // wxUSE_EXCEPTIONS // process all events in the wxPendingEvents list -- it is necessary to @@ -251,17 +215,30 @@ public: // make sure that idle events are sent again virtual void WakeUpIdle() { } + // this is just a convenience: by providing its implementation here we + // avoid #ifdefs in the code using it + static bool IsMainLoopRunning() { return false; } + // debugging support // ----------------- +#ifdef __WXDEBUG__ // this function is called when an assert failure occurs, the base class // version does the normal processing (i.e. shows the usual assert failure // dialog box) // - // the arguments are the place where the assert occured, the text of the + // the arguments are the location of the failed assert (func may be empty + // if the compiler doesn't support C99 __FUNCTION__), the text of the // assert itself and the user-specified message -#ifdef __WXDEBUG__ + virtual void OnAssertFailure(const wxChar *file, + int line, + const wxChar *func, + const wxChar *cond, + const wxChar *msg); + + // old version of the function without func parameter, for compatibility + // only, override OnAssertFailure() in the new code virtual void OnAssert(const wxChar *file, int line, const wxChar *cond, @@ -273,12 +250,6 @@ public: // options of the library and abort if it doesn't static bool CheckBuildOptions(const char *optionsSignature, const char *componentName); -#if WXWIN_COMPATIBILITY_2_4 - static bool CheckBuildOptions(const wxBuildOptions& buildOptions) - { - return CheckBuildOptions(buildOptions.m_signature, "your program"); - } -#endif // implementation only from now on // ------------------------------- @@ -376,6 +347,14 @@ public: // the worker functions - usually not used directly by the user code // ----------------------------------------------------------------- + // return true if we're running main loop, i.e. if the events can + // (already) be dispatched + static bool IsMainLoopRunning() + { + wxAppBase *app = wx_static_cast(wxAppBase *, GetInstance()); + return app && app->m_mainLoop != NULL; + } + // execute the main GUI loop, the function returns when the loop ends virtual int MainLoop(); @@ -417,8 +396,14 @@ public: // Returns true if more idle time is requested. virtual bool SendIdleEvents(wxWindow* win, wxIdleEvent& event); - // Perform standard OnIdle behaviour: call from port's OnIdle - void OnIdle(wxIdleEvent& event); + +#if wxUSE_EXCEPTIONS + // Function called if an uncaught exception is caught inside the main + // event loop: it may return true to continue running the event loop or + // false to stop it (in the latter case it may rethrow the exception as + // well) + virtual bool OnExceptionInMainLoop(); +#endif // wxUSE_EXCEPTIONS // top level window functions @@ -433,15 +418,7 @@ public: // 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) - virtual wxWindow *GetTopWindow() const - { - if (m_topWindow) - return m_topWindow; - else if (wxTopLevelWindows.GetCount() > 0) - return wxTopLevelWindows.GetFirst()->GetData(); - else - return (wxWindow *)NULL; - } + virtual wxWindow *GetTopWindow() const; // control the exit behaviour: by default, the program will exit the // main loop (and so, usually, terminate) when the last top-level @@ -458,15 +435,16 @@ public: // ------------------------------------------------------------------------ // Get display mode that is used use. This is only used in framebuffer - // wxWin ports (such as wxMGL). - virtual wxVideoMode GetDisplayMode() const { return wxVideoMode(); } + // wxWin ports (such as wxMGL or wxDFB). + virtual wxVideoMode GetDisplayMode() const; // Set display mode to use. This is only used in framebuffer wxWin - // ports (such as wxMGL). This method should be called from + // ports (such as wxMGL or wxDFB). This method should be called from // wxApp::OnInitGui virtual bool SetDisplayMode(const wxVideoMode& WXUNUSED(info)) { return true; } // set use of best visual flag (see below) - void SetUseBestVisual( bool flag ) { m_useBestVisual = flag; } + void SetUseBestVisual( bool flag, bool forceTrueColour = false ) + { m_useBestVisual = flag; m_forceTrueColour = forceTrueColour; } bool GetUseBestVisual() const { return m_useBestVisual; } // set/get printing mode: see wxPRINT_XXX constants. @@ -476,6 +454,10 @@ public: virtual void SetPrintMode(int WXUNUSED(mode)) { } int GetPrintMode() const { return wxPRINT_POSTSCRIPT; } + // Return the layout direction for the current locale or wxLayout_Default + // if it's unknown + virtual wxLayoutDirection GetLayoutDirection() const; + // command line parsing (GUI-specific) // ------------------------------------------------------------------------ @@ -493,10 +475,15 @@ public: // deactivated virtual void SetActive(bool isActive, wxWindow *lastFocus); +#if WXWIN_COMPATIBILITY_2_6 // OBSOLETE: don't use, always returns true // // returns true if the program is successfully initialized - bool Initialized() { return true; } + wxDEPRECATED( bool Initialized() ); +#endif // WXWIN_COMPATIBILITY_2_6 + + // perform standard OnIdle behaviour, ensure that this is always called + void OnIdle(wxIdleEvent& event); protected: @@ -507,11 +494,9 @@ protected: virtual wxAppTraits *CreateTraits(); -#if wxUSE_EVTLOOP_IN_APP // the main event loop of the application (may be NULL if the loop hasn't // been started yet or has already terminated) wxEventLoop *m_mainLoop; -#endif // wxUSE_EVTLOOP_IN_APP // the main top level window (may be NULL) wxWindow *m_topWindow; @@ -527,17 +512,23 @@ protected: Yes } m_exitOnFrameDelete; - // true if the apps whats to use the best visual on systems where + // true if the app wants to use the best visual on systems where // more than one are available (Sun, SGI, XFree86 4.0 ?) bool m_useBestVisual; + // force TrueColour just in case "best" isn't TrueColour + bool m_forceTrueColour; - // does any of our windows has focus? + // does any of our windows have focus? bool m_isActive; DECLARE_NO_COPY_CLASS(wxAppBase) }; +#if WXWIN_COMPATIBILITY_2_6 + inline bool wxAppBase::Initialized() { return true; } +#endif // WXWIN_COMPATIBILITY_2_6 + #endif // wxUSE_GUI // ---------------------------------------------------------------------------- @@ -545,14 +536,20 @@ protected: // ---------------------------------------------------------------------------- #if wxUSE_GUI - #if defined(__WXMSW__) + #if defined(__WXPALMOS__) + #include "wx/palmos/app.h" + #elif defined(__WXMSW__) #include "wx/msw/app.h" #elif defined(__WXMOTIF__) #include "wx/motif/app.h" #elif defined(__WXMGL__) #include "wx/mgl/app.h" - #elif defined(__WXGTK__) + #elif defined(__WXDFB__) + #include "wx/dfb/app.h" + #elif defined(__WXGTK20__) #include "wx/gtk/app.h" + #elif defined(__WXGTK__) + #include "wx/gtk1/app.h" #elif defined(__WXX11__) #include "wx/x11/app.h" #elif defined(__WXMAC__) @@ -580,7 +577,7 @@ protected: // // the cast is safe as in GUI build we only use wxApp, not wxAppConsole, and in // console mode it does nothing at all -#define wxTheApp ((wxApp *)wxApp::GetInstance()) +#define wxTheApp wx_static_cast(wxApp*, wxApp::GetInstance()) // ---------------------------------------------------------------------------- // global functions @@ -620,7 +617,7 @@ public: #define IMPLEMENT_WXWIN_MAIN_CONSOLE \ int main(int argc, char **argv) { return wxEntry(argc, argv); } -// port-specific header could have defined it already in some special wau +// port-specific header could have defined it already in some special way #ifndef IMPLEMENT_WXWIN_MAIN #define IMPLEMENT_WXWIN_MAIN IMPLEMENT_WXWIN_MAIN_CONSOLE #endif // defined(IMPLEMENT_WXWIN_MAIN) @@ -628,9 +625,12 @@ public: #ifdef __WXUNIVERSAL__ #include "wx/univ/theme.h" - #define IMPLEMENT_WX_THEME_SUPPORT \ - WX_USE_THEME(win32); \ - WX_USE_THEME(gtk); + #ifdef wxUNIV_DEFAULT_THEME + #define IMPLEMENT_WX_THEME_SUPPORT \ + WX_USE_THEME(wxUNIV_DEFAULT_THEME); + #else + #define IMPLEMENT_WX_THEME_SUPPORT + #endif #else #define IMPLEMENT_WX_THEME_SUPPORT #endif @@ -646,7 +646,8 @@ public: } \ wxAppInitializer \ wxTheAppInitializer((wxAppInitializerFunction) wxCreateApp); \ - appname& wxGetApp() { return *(appname *)wxTheApp; } + DECLARE_APP(appname) \ + appname& wxGetApp() { return *wx_static_cast(appname*, wxApp::GetInstance()); } // Same as IMPLEMENT_APP() normally but doesn't include themes support in // wxUniversal builds @@ -669,5 +670,12 @@ public: // function #define DECLARE_APP(appname) extern appname& wxGetApp(); -#endif // _WX_APP_H_BASE_ +// declare the stuff defined by IMPLEMENT_APP() macro, it's not really needed +// anywhere else but at the very least it suppresses icc warnings about +// defining extern symbols without prior declaration, and it shouldn't do any +// harm +extern wxAppConsole *wxCreateApp(); +extern wxAppInitializer wxTheAppInitializer; + +#endif // _WX_APP_H_BASE_