X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/7332adf0354fe6d7066483f8610e42380abbde41..c099c54cbaa285c452468419f2021899553ff9b3:/src/mgl/evtloop.cpp diff --git a/src/mgl/evtloop.cpp b/src/mgl/evtloop.cpp index ddf15a25b3..58c868ada8 100644 --- a/src/mgl/evtloop.cpp +++ b/src/mgl/evtloop.cpp @@ -1,20 +1,16 @@ /////////////////////////////////////////////////////////////////////////////// -// Name: mgl/evtloop.cpp +// Name: src/mgl/evtloop.cpp // Purpose: implements wxEventLoop for MGL // Author: Vaclav Slavik // RCS-ID: $Id$ -// Copyright: (c) 2001 SciTech Software, Inc. (www.scitechsoft.com) -// License: wxWindows license +// Copyright: (c) 2001-2002 SciTech Software, Inc. (www.scitechsoft.com) +// License: wxWindows licence /////////////////////////////////////////////////////////////////////////////// // ---------------------------------------------------------------------------- // headers // ---------------------------------------------------------------------------- -#ifdef __GNUG__ - #pragma implementation "evtloop.h" -#endif - // For compilers that support precompilation, includes "wx.h". #include "wx/wxprec.h" @@ -43,19 +39,19 @@ public: wxEventLoopImpl() { SetExitCode(0); - SetKeepLooping(TRUE); + SetKeepLooping(true); } // process an event void Dispatch(); - // generate an idle event, return TRUE if more idle time requested + // generate an idle event, return true if more idle time requested bool SendIdleEvent(); // set/get the exit code void SetExitCode(int exitcode) { m_exitcode = exitcode; } int GetExitCode() const { return m_exitcode; } - + void SetKeepLooping(bool k) { m_keepLooping = k; } bool GetKeepLooping() const { return m_keepLooping; } @@ -63,7 +59,7 @@ private: // the exit code of the event loop int m_exitcode; - // FALSE if the loop should end + // false if the loop should end bool m_keepLooping; }; @@ -91,15 +87,13 @@ void wxEventLoopImpl::Dispatch() PM_sleep(10); } // end of EVT_halt - + MGL_wmProcessEvent(g_winMng, &evt); } bool wxEventLoopImpl::SendIdleEvent() { - wxIdleEvent event; - - return wxTheApp->ProcessEvent(event) && event.MoreRequested(); + return wxTheApp->ProcessIdle(); } // ============================================================================ @@ -110,27 +104,19 @@ bool wxEventLoopImpl::SendIdleEvent() // wxEventLoop running and exiting // ---------------------------------------------------------------------------- -wxEventLoop *wxEventLoop::ms_activeLoop = NULL; - wxEventLoop::~wxEventLoop() { wxASSERT_MSG( !m_impl, _T("should have been deleted in Run()") ); } -bool wxEventLoop::IsRunning() const -{ - return m_impl != NULL; -} - int wxEventLoop::Run() { // event loops are not recursive, you need to create another loop! wxCHECK_MSG( !IsRunning(), -1, _T("can't reenter a message loop") ); m_impl = new wxEventLoopImpl; - - wxEventLoop *oldLoop = ms_activeLoop; - ms_activeLoop = this; + + wxEventLoopActivator activate(this); for ( ;; ) { @@ -155,8 +141,6 @@ int wxEventLoop::Run() delete m_impl; m_impl = NULL; - ms_activeLoop = oldLoop; - return exitcode; } @@ -165,8 +149,8 @@ void wxEventLoop::Exit(int rc) wxCHECK_RET( IsRunning(), _T("can't call Exit() if not running") ); m_impl->SetExitCode(rc); - m_impl->SetKeepLooping(FALSE); - + m_impl->SetKeepLooping(false); + // Send a dummy event so that the app won't block in EVT_halt if there // are no user-generated events in the queue: EVT_post(0, EVT_USEREVT, 0, 0); @@ -178,13 +162,18 @@ void wxEventLoop::Exit(int rc) bool wxEventLoop::Pending() const { + // update the display here, so that wxYield refreshes display and + // changes take effect immediately, not after emptying events queue: + MGL_wmUpdateDC(g_winMng); + + // is there an event in the queue? event_t evt; - return EVT_peekNext(&evt, EVT_EVERYEVT); + return (bool)(EVT_peekNext(&evt, EVT_EVERYEVT)); } bool wxEventLoop::Dispatch() { - wxCHECK_MSG( IsRunning(), FALSE, _T("can't call Dispatch() if not running") ); + wxCHECK_MSG( IsRunning(), false, _T("can't call Dispatch() if not running") ); m_impl->Dispatch(); return m_impl->GetKeepLooping();