/////////////////////////////////////////////////////////////////////////////// // Name: wx/msw/evtloop.h // Purpose: wxEventLoop class for MSW // Author: Vadim Zeitlin // Modified by: // Created: 2004-07-31 // RCS-ID: $Id$ // Copyright: (c) 2003-2004 Vadim Zeitlin // Licence: wxWindows licence /////////////////////////////////////////////////////////////////////////////// #ifndef _WX_MSW_EVTLOOP_H_ #define _WX_MSW_EVTLOOP_H_ // ---------------------------------------------------------------------------- // wxEventLoop // ---------------------------------------------------------------------------- class WXDLLEXPORT wxEventLoop : public wxEventLoopBase { public: wxEventLoop(); // implement base class pure virtuals virtual int Run(); virtual void Exit(int rc = 0); virtual bool Pending() const; virtual bool Dispatch(); // MSW-specific methods // -------------------- // 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) // // calling this function with NULL argument restores the normal event // handling static void SetCriticalWindow(wxWindowMSW *win) { ms_winCritical = win; } // return true if there is no critical window or if this window is [a child // of] the critical one static bool AllowProcessing(wxWindowMSW *win) { return !ms_winCritical || IsChildOfCriticalWindow(win); } protected: // check if the given window is a child of ms_winCritical (which must be // non NULL) static bool IsChildOfCriticalWindow(wxWindowMSW *win); // critical window or NULL static wxWindowMSW *ms_winCritical; // the loop exit code int m_exitcode; // should we exit the loop? bool m_shouldExit; }; #endif // _WX_MSW_EVTLOOP_H_