// class OnInit() to do it.
virtual bool OnInit();
- // this is here only temproary hopefully (FIXME)
+ // this is here only temporary hopefully (FIXME)
virtual bool OnInitGui() { return true; }
// This is the replacement for the normal main(): all program work should
// 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() { throw; }
-
- // 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();
// override it!)
virtual void OnInitCmdLine(wxCmdLineParser& parser);
- // called after successfully parsing the command line, return TRUE
- // to continue and FALSE to exit (don't forget to call the base class
+ // called after successfully parsing the command line, return true
+ // 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
- // and FALSE to exit
+ // called if "--help" option was specified, return true to continue
+ // and false to exit
virtual bool OnCmdLineHelp(wxCmdLineParser& parser);
// called if incorrect command line options were given, return
- // FALSE to abort and TRUE to continue
+ // false to abort and true to continue
virtual bool OnCmdLineError(wxCmdLineParser& parser);
#endif // wxUSE_CMDLINE_PARSER
// user-defined class (default implementation creates a wxLogGui
// object) -- this log object is used by default by all wxLogXXX()
// functions.
- virtual wxLog *CreateLogTarget();
+ wxDEPRECATED( virtual wxLog *CreateLogTarget() );
#endif // wxUSE_LOG
// similar to CreateLogTarget() but for the global wxMessageOutput
// object
- virtual wxMessageOutput *CreateMessageOutput();
+ wxDEPRECATED( virtual wxMessageOutput *CreateMessageOutput() );
#endif // WXWIN_COMPATIBILITY_2_4
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
// 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
// -----------------
// 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 place where the assert occurred, the text of the
// assert itself and the user-specified message
#ifdef __WXDEBUG__
virtual void OnAssert(const wxChar *file,
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");
- }
+ wxDEPRECATED( static bool CheckBuildOptions(const wxBuildOptions& buildOptions) );
#endif
// implementation only from now on
// 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()
+ {
+#if wxUSE_EVTLOOP_IN_APP
+ wxAppBase *app = wx_static_cast(wxAppBase *, GetInstance());
+ return app && app->m_mainLoop != NULL;
+#else
+ return false;
+#endif
+ }
+
// execute the main GUI loop, the function returns when the loop ends
virtual int MainLoop();
// stop the program immediately!)
virtual void ExitMainLoop();
- // returns TRUE if there are unprocessed events in the event queue
+ // returns true if there are unprocessed events in the event queue
virtual bool Pending();
// process the first event in the event queue (blocks until an event
// process all currently pending events right now
//
// it is an error to call Yield() recursively unless the value of
- // onlyIfNeeded is TRUE
+ // onlyIfNeeded is true
//
// WARNING: this function is dangerous as it can lead to unexpected
// reentrancies (i.e. when called from an event handler it
// may result in calling the same event handler again), use
// with _extreme_ care or, better, don't use at all!
- virtual bool Yield(bool onlyIfNeeded = FALSE) = 0;
+ virtual bool Yield(bool onlyIfNeeded = false) = 0;
// this virtual function is called in the GUI mode when the application
// becomes idle and normally just sends wxIdleEvent to all interested
// parties
//
- // it should return TRUE if more idle events are needed, FALSE if not
+ // it should return true if more idle events are needed, false if not
virtual bool ProcessIdle();
// Send idle event to window and all subwindows
- // Returns TRUE if more idle time is requested.
+ // 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
// --------------------------
- // return TRUE if our app has focus
+ // return true if our app has focus
virtual bool IsActive() const { return m_isActive; }
// set the "main" top level window
// control the exit behaviour: by default, the program will exit the
// main loop (and so, usually, terminate) when the last top-level
// program window is deleted. Beware that if you disable this behaviour
- // (with SetExitOnFrameDelete(FALSE)), you'll have to call
+ // (with SetExitOnFrameDelete(false)), you'll have to call
// ExitMainLoop() explicitly from somewhere.
void SetExitOnFrameDelete(bool flag)
{ m_exitOnFrameDelete = flag ? Yes : No; }
// Set display mode to use. This is only used in framebuffer wxWin
// ports (such as wxMGL). This method should be called from
// wxApp::OnInitGui
- virtual bool SetDisplayMode(const wxVideoMode& WXUNUSED(info)) { return TRUE; }
+ virtual bool SetDisplayMode(const wxVideoMode& WXUNUSED(info)) { return true; }
// set use of best visual flag (see below)
void SetUseBestVisual( bool flag ) { m_useBestVisual = flag; }
// returns true if the program is successfully initialized
bool Initialized() { return true; }
+ // perform standard OnIdle behaviour, ensure that this is always called
+ void OnIdle(wxIdleEvent& event);
+
protected:
// delete all objects in wxPendingDelete list
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;
- // does any of our windows has focus?
+ // does any of our windows have focus?
bool m_isActive;
// ----------------------------------------------------------------------------
#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"
{ wxApp::SetInitializerFunction(fn); }
};
-// Here's a macro you can use if your compiler really, really wants main() to
-// be in your main program (e.g. hello.cpp). Now IMPLEMENT_APP should add this
-// code if required.
+// the code below defines a IMPLEMENT_WXWIN_MAIN macro which you can use if
+// your compiler really, really wants main() to 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 \
- IMPLEMENT_WXWIN_MAIN_CONSOLE
-#elif defined(__WXMSW__)
- // we need HINSTANCE declaration to define WinMain()
- #include "wx/msw/wrapwin.h"
-
- #ifndef SW_SHOWNORMAL
- #define SW_SHOWNORMAL 1
- #endif
-
- // WinMain() is always ANSI, even in Unicode build, under normal Windows
- // but is always Unicode under CE
- #ifdef __WXWINCE__
- typedef wchar_t *wxCmdLineArgType;
- #else
- typedef char *wxCmdLineArgType;
- #endif
-
- #define IMPLEMENT_WXWIN_MAIN \
- extern int wxEntry(HINSTANCE hInstance, \
- HINSTANCE hPrevInstance = NULL, \
- wxCmdLineArgType pCmdLine = NULL, \
- int nCmdShow = SW_SHOWNORMAL); \
- extern "C" int WINAPI WinMain(HINSTANCE hInstance, \
- HINSTANCE hPrevInstance, \
- wxCmdLineArgType lpCmdLine, \
- int nCmdShow) \
- { \
- return wxEntry(hInstance, hPrevInstance, lpCmdLine, nCmdShow); \
- }
-#else
- #define IMPLEMENT_WXWIN_MAIN
-#endif
+// 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)
#ifdef __WXUNIVERSAL__
#include "wx/univ/theme.h"
} \
wxAppInitializer \
wxTheAppInitializer((wxAppInitializerFunction) wxCreateApp); \
+ DECLARE_APP(appname) \
appname& wxGetApp() { return *(appname *)wxTheApp; }
// Same as IMPLEMENT_APP() normally but doesn't include themes support in
// function
#define DECLARE_APP(appname) extern appname& wxGetApp();
+
+// 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_