X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/abca8ebff16ef0e95292a5ceb1aa9fc302552c5d..1981118d4bcd47bdbe4de66aba3e5db6368c7517:/include/wx/app.h diff --git a/include/wx/app.h b/include/wx/app.h index 7d27f9a427..edd3eef488 100644 --- a/include/wx/app.h +++ b/include/wx/app.h @@ -24,19 +24,20 @@ #endif // wxUSE_GUI #include "wx/build.h" +#include "wx/init.h" // we must declare wxEntry() -class WXDLLEXPORT wxApp; -class WXDLLEXPORT wxAppTraits; -class WXDLLEXPORT wxCmdLineParser; -class WXDLLEXPORT wxLog; -class WXDLLEXPORT wxMessageOutput; +class WXDLLIMPEXP_BASE wxAppConsole; +class WXDLLIMPEXP_BASE wxAppTraits; +class WXDLLIMPEXP_BASE wxCmdLineParser; +class WXDLLIMPEXP_BASE wxLog; +class WXDLLIMPEXP_BASE wxMessageOutput; // ---------------------------------------------------------------------------- // typedefs // ---------------------------------------------------------------------------- // the type of the function used to create a wxApp object on program start up -typedef wxApp* (*wxAppInitializerFunction)(); +typedef wxAppConsole* (*wxAppInitializerFunction)(); // ---------------------------------------------------------------------------- // constants @@ -56,7 +57,7 @@ enum // VS: Fullscreen/framebuffer application needs to choose display mode prior // to wxWindows initialization. This class holds information about display // mode. It is used by wxApp::Set/GetDisplayMode. -class WXDLLEXPORT wxDisplayModeInfo +class WXDLLIMPEXP_CORE wxDisplayModeInfo { public: wxDisplayModeInfo() : m_ok(FALSE) {} @@ -74,11 +75,12 @@ private: }; #endif // wxUSE_GUI + // ---------------------------------------------------------------------------- // wxAppConsole: wxApp for non-GUI applications // ---------------------------------------------------------------------------- -class WXDLLEXPORT wxAppConsole : public wxEvtHandler +class WXDLLIMPEXP_BASE wxAppConsole : public wxEvtHandler { public: // ctor and dtor @@ -96,6 +98,9 @@ public: // class version! virtual bool Initialize(int& argc, wxChar **argv); + // This gives wxCocoa a chance to call OnInit() with a memory pool in place + virtual bool CallOnInit() { return OnInit(); } + // Called before OnRun(), this is a good place to do initialization -- if // anything fails, return false from here to prevent the program from // continuing. The command line is normally parsed here, call the base @@ -165,11 +170,13 @@ public: #if wxUSE_CMDLINE_PARSER // this one is called from OnInit() to add all supported options - // to the given parser + // to the given parser (don't forget to call the base class version if you + // override it!) virtual void OnInitCmdLine(wxCmdLineParser& parser); // called after successfully parsing the command line, return TRUE - // to continue and FALSE to exit + // to continue and FALSE to exit (don't forget to call the base class + // version if you override it!) virtual bool OnCmdLineParsed(wxCmdLineParser& parser); // called if "--help" option was specified, return TRUE to continue @@ -254,8 +261,14 @@ public: // check that the wxBuildOptions object (constructed in the application // itself, usually the one from IMPLEMENT_APP() macro) matches the build // options of the library and abort if it doesn't - static bool CheckBuildOptions(const wxBuildOptions& buildOptions); - + 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 // ------------------------------- @@ -266,6 +279,13 @@ public: static wxAppInitializerFunction GetInitializerFunction() { return ms_appInitFn; } + // accessors for ms_appInstance field (external code might wish to modify + // it, this is why we provide a setter here as well, but you should really + // know what you're doing if you call it), wxTheApp is usually used instead + // of GetInstance() + static wxAppConsole *GetInstance() { return ms_appInstance; } + static void SetInstance(wxAppConsole *app) { ms_appInstance = app; } + // command line arguments (public for backwards compatibility) int argc; @@ -280,6 +300,10 @@ protected: // function used for dynamic wxApp creation static wxAppInitializerFunction ms_appInitFn; + // the one and only global application object + static wxAppConsole *ms_appInstance; + + // application info (must be set from the user code) wxString m_vendorName, // vendor name (ACME Inc) m_appName, // app name @@ -301,7 +325,7 @@ protected: #if wxUSE_GUI -class WXDLLEXPORT wxAppBase : public wxAppConsole +class WXDLLIMPEXP_CORE wxAppBase : public wxAppConsole { public: wxAppBase(); @@ -330,6 +354,9 @@ public: // Override: rarely in GUI applications, always in console ones. virtual int OnRun(); + // a matching function for OnInit() + virtual int OnExit(); + // very last clean up function // // Override: very rarely @@ -375,7 +402,14 @@ public: // parties // // it should return TRUE if more idle events are needed, FALSE if not - virtual bool ProcessIdle() = 0; + virtual bool ProcessIdle() ; + + // Send idle event to window and all subwindows + // 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); // top level window functions @@ -434,6 +468,14 @@ public: int GetPrintMode() const { return wxPRINT_POSTSCRIPT; } + // command line parsing (GUI-specific) + // ------------------------------------------------------------------------ + +#if wxUSE_CMDLINE_PARSER + virtual bool OnCmdLineParsed(wxCmdLineParser& parser); + virtual void OnInitCmdLine(wxCmdLineParser& parser); +#endif + // miscellaneous other stuff // ------------------------------------------------------------------------ @@ -501,21 +543,24 @@ protected: #include "wx/os2/app.h" #endif #else // !GUI - // can't use typedef because wxApp forward declared as a class - class WXDLLEXPORT wxApp : public wxAppConsole - { - }; + // allow using just wxApp (instead of wxAppConsole) in console programs + typedef wxAppConsole wxApp; #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; +// for compatibility, we define this macro to access the global application +// object of type wxApp +// +// note that instead of using of wxTheApp in application code you should +// 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) +// +// 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()) // ---------------------------------------------------------------------------- // global functions @@ -525,13 +570,13 @@ WXDLLEXPORT_DATA(extern wxApp*) wxTheApp; // ------------------------------------------------------ // Force an exit from main loop -extern void WXDLLEXPORT wxExit(); +extern void WXDLLIMPEXP_BASE wxExit(); // Yield to other apps/messages -extern bool WXDLLEXPORT wxYield(); +extern bool WXDLLIMPEXP_BASE wxYield(); // Yield to other apps/messages -extern void WXDLLEXPORT wxWakeUpIdle(); +extern void WXDLLIMPEXP_BASE wxWakeUpIdle(); // ---------------------------------------------------------------------------- // macros for dynamic creation of the application object @@ -541,7 +586,7 @@ extern void WXDLLEXPORT wxWakeUpIdle(); // creator function. wxApp can then call this function to create a new app // object. Convoluted, but necessary. -class WXDLLEXPORT wxAppInitializer +class WXDLLIMPEXP_BASE wxAppInitializer { public: wxAppInitializer(wxAppInitializerFunction fn) @@ -552,20 +597,31 @@ public: // be in your main program (e.g. hello.cpp). Now IMPLEMENT_APP should add this // code if required. +#define IMPLEMENT_WXWIN_MAIN_CONSOLE \ + int main(int argc, char **argv) { return wxEntry(argc, argv); } + #if !wxUSE_GUI || !defined(__WXMSW__) #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) + IMPLEMENT_WXWIN_MAIN_CONSOLE +#elif defined(__WXMSW__) + // we need HINSTANCE declaration to define WinMain() + #include "wx/msw/wrapwin.h" + + #ifdef SW_SHOWNORMAL + #define wxSW_SHOWNORMAL SW_SHOWNORMAL + #else + #define wxSW_SHOWNORMAL 0 + #endif + #define IMPLEMENT_WXWIN_MAIN \ - extern int wxEntry(WXHINSTANCE hInstance, \ - WXHINSTANCE hPrevInstance, \ - char *pCmdLine, \ - int nCmdShow); \ - extern "C" int wxSTDCALL WinMain(WXHINSTANCE hInstance, \ - WXHINSTANCE hPrevInstance, \ - char *lpCmdLine, \ - int nCmdShow) \ + extern int wxEntry(HINSTANCE hInstance, \ + HINSTANCE hPrevInstance = NULL, \ + char *pCmdLine = NULL, \ + int nCmdShow = wxSW_SHOWNORMAL); \ + extern "C" int WINAPI WinMain(HINSTANCE hInstance, \ + HINSTANCE hPrevInstance, \ + char *lpCmdLine, \ + int nCmdShow) \ { \ return wxEntry(hInstance, hPrevInstance, lpCmdLine, nCmdShow); \ } @@ -586,9 +642,10 @@ public: // 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() \ + wxAppConsole *wxCreateApp() \ { \ - wxApp::CheckBuildOptions(wxBuildOptions()); \ + wxAppConsole::CheckBuildOptions(WX_BUILD_OPTIONS_SIGNATURE, \ + "your program"); \ return new appname; \ } \ wxAppInitializer \ @@ -607,6 +664,11 @@ public: IMPLEMENT_APP_NO_THEMES(appname) \ IMPLEMENT_WX_THEME_SUPPORT +// Same as IMPLEMENT_APP(), but for console applications. +#define IMPLEMENT_APP_CONSOLE(appname) \ + IMPLEMENT_APP_NO_MAIN(appname) \ + IMPLEMENT_WXWIN_MAIN_CONSOLE + // this macro can be used multiple times and just allows you to use wxGetApp() // function #define DECLARE_APP(appname) extern appname& wxGetApp();