X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/77fb1a02aac56528bbf3229af32634cc02795906..90230407984b0bbe9d6ed6ae6dc2376700ef1d42:/include/wx/msw/evtloop.h?ds=inline diff --git a/include/wx/msw/evtloop.h b/include/wx/msw/evtloop.h index fe75758c14..5c89e304bd 100644 --- a/include/wx/msw/evtloop.h +++ b/include/wx/msw/evtloop.h @@ -12,31 +12,51 @@ #ifndef _WX_MSW_EVTLOOP_H_ #define _WX_MSW_EVTLOOP_H_ +#if wxUSE_GUI +#include "wx/dynarray.h" +#include "wx/msw/wrapwin.h" +#include "wx/window.h" +#endif + // ---------------------------------------------------------------------------- // wxEventLoop // ---------------------------------------------------------------------------- -class WXDLLEXPORT wxEventLoop : public wxEventLoopBase +class WXDLLIMPEXP_BASE wxMSWEventLoopBase : public wxEventLoopManual { public: - wxEventLoop(); + wxMSWEventLoopBase(); // implement base class pure virtuals - virtual int Run(); - virtual void Exit(int rc = 0); virtual bool Pending() const; - virtual bool Dispatch(); - // MSW-specific methods - // -------------------- +protected: + // get the next message from queue and return true or return false if we + // got WM_QUIT or an error occurred + bool GetNextMessage(WXMSG *msg); + + // same as above but with a timeout and return value can be -1 meaning that + // time out expired in addition to + int GetNextMessageTimeout(WXMSG *msg, unsigned long timeout); +}; + +#if wxUSE_GUI + +WX_DECLARE_EXPORTED_OBJARRAY(MSG, wxMSGArray); + +class WXDLLIMPEXP_CORE wxGUIEventLoop : public wxMSWEventLoopBase +{ +public: + wxGUIEventLoop() { } + + // process a single message: calls PreProcessMessage() before dispatching + // it + virtual void ProcessMessage(WXMSG *msg); // preprocess a message, return true if processed (i.e. no further // dispatching required) virtual bool PreProcessMessage(WXMSG *msg); - // process a single message - virtual void ProcessMessage(WXMSG *msg); - // set the critical window: this is the window such that all the events // except those to this window (and its children) stop to be processed // (typical examples: assert or crash report dialog) @@ -52,21 +72,48 @@ public: return !ms_winCritical || IsChildOfCriticalWindow(win); } + // override/implement base class virtuals + virtual bool Dispatch(); + virtual int DispatchTimeout(unsigned long timeout); + virtual void WakeUp(); + virtual bool YieldFor(long eventsToProcess); + protected: + virtual void OnNextIteration(); + +private: // check if the given window is a child of ms_winCritical (which must be // non NULL) static bool IsChildOfCriticalWindow(wxWindowMSW *win); + // array of messages used for temporary storage by YieldFor() + wxMSGArray m_arrMSG; // critical window or NULL static wxWindowMSW *ms_winCritical; +}; + +#else // !wxUSE_GUI + +#if wxUSE_CONSOLE_EVENTLOOP + +class WXDLLIMPEXP_BASE wxConsoleEventLoop : public wxMSWEventLoopBase +{ +public: + wxConsoleEventLoop() { } - // the loop exit code - int m_exitcode; + // override/implement base class virtuals + virtual bool Dispatch(); + virtual int DispatchTimeout(unsigned long timeout); + virtual void WakeUp(); + virtual bool YieldFor(long WXUNUSED(eventsToProcess)) { return true; } - // should we exit the loop? - bool m_shouldExit; + // MSW-specific function to process a single message + virtual void ProcessMessage(WXMSG *msg); }; -#endif // _WX_MSW_EVTLOOP_H_ +#endif // wxUSE_CONSOLE_EVENTLOOP + +#endif // wxUSE_GUI/!wxUSE_GUI +#endif // _WX_MSW_EVTLOOP_H_