X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/4300caa7a669d1e09e7d5dfd739acf4bb08e8b49..ed6d701058e7555fba0764fcf97b475a5052015f:/include/wx/evtloop.h diff --git a/include/wx/evtloop.h b/include/wx/evtloop.h index dcd2a766e0..cb2de4ac71 100644 --- a/include/wx/evtloop.h +++ b/include/wx/evtloop.h @@ -16,35 +16,37 @@ #pragma interface "evtloop.h" #endif -class WXDLLEXPORT wxEventLoopImpl; +#include "wx/utils.h" + +class WXDLLEXPORT wxEventLoop; // ---------------------------------------------------------------------------- // wxEventLoop: a GUI event loop // ---------------------------------------------------------------------------- -class WXDLLEXPORT wxEventLoop +class WXDLLEXPORT wxEventLoopBase { public: - // ctor - wxEventLoop() { m_impl = NULL; } + // trivial, but needed (because of wxEventLoopBase) ctor + wxEventLoopBase() { } // dtor - virtual ~wxEventLoop(); + virtual ~wxEventLoopBase() { } // start the event loop, return the exit code when it is finished - virtual int Run(); + virtual int Run() = 0; // exit from the loop with the given exit code - virtual void Exit(int rc = 0); + virtual void Exit(int rc = 0) = 0; - // return TRUE if any events are available - virtual bool Pending() const; + // return true if any events are available + virtual bool Pending() const = 0; - // dispatch a single event, return FALSE if we should exit from the loop - virtual bool Dispatch(); + // dispatch a single event, return false if we should exit from the loop + virtual bool Dispatch() = 0; // is the event loop running now? - virtual bool IsRunning() const; + virtual bool IsRunning() const = 0; // return currently active (running) event loop, may be NULL static wxEventLoop *GetActive() { return ms_activeLoop; } @@ -62,11 +64,42 @@ protected: // the pointer to currently active loop static wxEventLoop *ms_activeLoop; + DECLARE_NO_COPY_CLASS(wxEventLoopBase) +}; + +// we're moving away from old m_impl wxEventLoop model as otherwise the user +// code doesn't have access to platform-specific wxEventLoop methods and this +// can sometimes be very useful (e.g. under MSW this is necessary for +// integration with MFC) but currently this is done for MSW only, other ports +// should follow a.s.a.p. +#if defined(__WXPALMOS__) + #include "wx/palmos/evtloop.h" +#elif defined(__WXMSW__) + #include "wx/msw/evtloop.h" +#else + +class WXDLLEXPORT wxEventLoopImpl; + +class WXDLLEXPORT wxEventLoop : public wxEventLoopBase +{ +public: + wxEventLoop() { m_impl = NULL; } + virtual ~wxEventLoop(); + + virtual int Run(); + virtual void Exit(int rc = 0); + virtual bool Pending() const; + virtual bool Dispatch(); + virtual bool IsRunning() const { return GetActive() == this; } + +protected: // the pointer to the port specific implementation class wxEventLoopImpl *m_impl; DECLARE_NO_COPY_CLASS(wxEventLoop) -}; + }; + +#endif // __WXMSW__/!__WXMSW__ // ---------------------------------------------------------------------------- // wxModalEventLoop