#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()
-class WXDLLIMPEXP_CORE wxApp;
+class WXDLLIMPEXP_BASE wxAppConsole;
class WXDLLIMPEXP_BASE wxAppTraits;
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
+ class WXDLLEXPORT wxEventLoop;
+#endif
+
// ----------------------------------------------------------------------------
// typedefs
// ----------------------------------------------------------------------------
// the type of the function used to create a wxApp object on program start up
-typedef wxApp* (*wxAppInitializerFunction)();
+typedef wxAppConsole* (*wxAppInitializerFunction)();
// ----------------------------------------------------------------------------
// constants
wxPRINT_POSTSCRIPT = 2
};
-// ----------------------------------------------------------------------------
-// support for framebuffer ports
-// ----------------------------------------------------------------------------
-
-#if wxUSE_GUI
-// 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 WXDLLIMPEXP_CORE wxDisplayModeInfo
-{
-public:
- wxDisplayModeInfo() : m_ok(FALSE) {}
- wxDisplayModeInfo(unsigned width, unsigned height, unsigned depth)
- : m_width(width), m_height(height), m_depth(depth), m_ok(TRUE) {}
-
- unsigned GetWidth() const { return m_width; }
- unsigned GetHeight() const { return m_height; }
- unsigned GetDepth() const { return m_depth; }
- bool IsOk() const { return m_ok; }
-
-private:
- unsigned m_width, m_height, m_depth;
- bool m_ok;
-};
-#endif // wxUSE_GUI
-
// ----------------------------------------------------------------------------
// wxAppConsole: wxApp for non-GUI applications
// ----------------------------------------------------------------------------
// 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;
+#if defined(__DMC__) || (defined(_MSC_VER) && _MSC_VER < 1200)
+ return false;
+#endif
+ }
+
+ // 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();
#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
// had been already processed or won't be processed at all, respectively
virtual int FilterEvent(wxEvent& event);
+#if wxUSE_EXCEPTIONS
+ // call the specified handler on the given object with the given event
+ //
+ // this method only exists to allow catching the exceptions thrown by any
+ // event handler, it would lead to an extra (useless) virtual function call
+ // if the exceptions were not used, so it doesn't even exist in that case
+ virtual void HandleEvent(wxEvtHandler *handler,
+ wxEventFunction func,
+ wxEvent& event) const;
+#endif // wxUSE_EXCEPTIONS
+
// process all events in the wxPendingEvents list -- it is necessary to
// call this function to process posted events. This happens during each
// event loop iteration in GUI mode but if there is no main loop, it may be
// 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
// -------------------------------
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;
// 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
// 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
// -----------------------------------------------------------------
// execute the main GUI loop, the function returns when the loop ends
- virtual int MainLoop() = 0;
+ virtual int MainLoop();
// exit the main loop thus terminating the application
virtual void Exit();
// exit the main GUI loop during the next iteration (i.e. it does not
// stop the program immediately!)
- virtual void ExitMainLoop() = 0;
-
- // returns TRUE if the program is initialized
- virtual bool Initialized() = 0;
+ virtual void ExitMainLoop();
// returns TRUE if there are unprocessed events in the event queue
- virtual bool Pending() = 0;
+ virtual bool Pending();
// process the first event in the event queue (blocks until an event
- // apperas if there are none currently)
- virtual void Dispatch() = 0;
+ // appears if there are none currently, use Pending() if this is not
+ // wanted), returns false if the event loop should stop and true
+ // otherwise
+ virtual bool Dispatch();
// process all currently pending events right now
//
// parties
//
// it should return TRUE if more idle events are needed, FALSE if not
- virtual bool ProcessIdle() ;
+ virtual bool ProcessIdle();
// Send idle event to window and all subwindows
// Returns TRUE if more idle time is requested.
// Get display mode that is used use. This is only used in framebuffer
// wxWin ports (such as wxMGL).
- virtual wxDisplayModeInfo GetDisplayMode() const { return wxDisplayModeInfo(); }
+ virtual wxVideoMode GetDisplayMode() const { return wxVideoMode(); }
// 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 wxDisplayModeInfo& 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; }
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
// ------------------------------------------------------------------------
// deactivated
virtual void SetActive(bool isActive, wxWindow *lastFocus);
+ // OBSOLETE: don't use, always returns true
+ //
+ // returns true if the program is successfully initialized
+ bool Initialized() { return true; }
+
protected:
// delete all objects in wxPendingDelete list
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;
#include "wx/os2/app.h"
#endif
#else // !GUI
- // can't use typedef because wxApp forward declared as a class
- class WXDLLIMPEXP_BASE 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)
-WXDLLIMPEXP_DATA_BASE(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
// 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 \
- 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 <windows.h>
- #include "wx/msw/winundef.h"
+ #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, \
- char *pCmdLine = NULL, \
- int nCmdShow = SW_NORMAL); \
+ wxCmdLineArgType pCmdLine = NULL, \
+ int nCmdShow = SW_SHOWNORMAL); \
extern "C" int WINAPI WinMain(HINSTANCE hInstance, \
HINSTANCE hPrevInstance, \
- char *lpCmdLine, \
+ wxCmdLineArgType lpCmdLine, \
int nCmdShow) \
{ \
return wxEntry(hInstance, hPrevInstance, lpCmdLine, nCmdShow); \
// 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 \
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();
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