projects / wxWidgets.git / blame
| Commit | Line | Data |
|---|---|---|
| 489468fe | 1 | /////////////////////////////////////////////////////////////////////////////// |
| 524c47aa | 2 | // Name: src/osx/carbon/evtloop.cpp |
| 489468fe SC |
3 | // Purpose: implementation of wxEventLoop for wxMac |
| 4 | // Author: Vadim Zeitlin | |
| 5 | // Modified by: | |
| 6 | // Created: 2006-01-12 | |
| 7 | // RCS-ID: $Id$ | |
| 8 | // Copyright: (c) 2006 Vadim Zeitlin <vadim@wxwindows.org> | |
| 9 | // Licence: wxWindows licence | |
| 10 | /////////////////////////////////////////////////////////////////////////////// | |
| 11 | ||
| 12 | // ============================================================================ | |
| 13 | // declarations | |
| 14 | // ============================================================================ | |
| 15 | ||
| 16 | // ---------------------------------------------------------------------------- | |
| 17 | // headers | |
| 18 | // ---------------------------------------------------------------------------- | |
| 19 | ||
| 20 | // for compilers that support precompilation, includes "wx.h". | |
| 21 | #include "wx/wxprec.h" | |
| 22 | ||
| 23 | #ifdef __BORLANDC__ | |
| 24 | #pragma hdrstop | |
| 25 | #endif | |
| 26 | ||
| 27 | #include "wx/evtloop.h" | |
| 28 | ||
| 29 | #ifndef WX_PRECOMP | |
| 30 | #include "wx/app.h" | |
| 31 | #endif // WX_PRECOMP | |
| 32 | ||
| 524c47aa SC |
33 | #include "wx/osx/private.h" |
| 34 | ||
| 489468fe SC |
35 | // ============================================================================ |
| 36 | // wxEventLoop implementation | |
| 37 | // ============================================================================ | |
| 38 | ||
| 524c47aa | 39 | wxGUIEventLoop::wxGUIEventLoop() |
| 489468fe | 40 | { |
| 524c47aa | 41 | m_sleepTime = kEventDurationNoWait; |
| 489468fe SC |
42 | } |
| 43 | ||
| 489468fe SC |
44 | void wxGUIEventLoop::WakeUp() |
| 45 | { | |
| 46 | extern void wxMacWakeUp(); | |
| 47 | ||
| 48 | wxMacWakeUp(); | |
| 49 | } | |
| 50 | ||
| 489468fe SC |
51 | bool wxGUIEventLoop::Pending() const |
| 52 | { | |
| 53 | EventRef theEvent; | |
| 54 | ||
| 55 | return ReceiveNextEvent | |
| 56 | ( | |
| 57 | 0, // we want any event at all so we don't specify neither | |
| 58 | NULL, // the number of event types nor the types themselves | |
| 59 | kEventDurationNoWait, | |
| 60 | false, // don't remove the event from queue | |
| 61 | &theEvent | |
| 62 | ) == noErr; | |
| 63 | } | |
| 64 | ||
| 65 | bool wxGUIEventLoop::Dispatch() | |
| 66 | { | |
| 489468fe SC |
67 | if ( !wxTheApp ) |
| 68 | return false; | |
| 69 | ||
| 524c47aa SC |
70 | wxMacAutoreleasePool autoreleasepool; |
| 71 | ||
| 72 | EventRef theEvent; | |
| 73 | ||
| 74 | OSStatus status = ReceiveNextEvent(0, NULL, m_sleepTime, true, &theEvent) ; | |
| 75 | ||
| 76 | switch (status) | |
| 77 | { | |
| 78 | case eventLoopTimedOutErr : | |
| 79 | if ( wxTheApp->ProcessIdle() ) | |
| 80 | m_sleepTime = kEventDurationNoWait ; | |
| 81 | else | |
| 82 | { | |
| 83 | m_sleepTime = kEventDurationSecond; | |
| 84 | #if wxUSE_THREADS | |
| 85 | wxMutexGuiLeave(); | |
| 86 | wxMilliSleep(20); | |
| 87 | wxMutexGuiEnter(); | |
| b2680ced | 88 | #endif |
| 524c47aa SC |
89 | } |
| 90 | break; | |
| 91 | ||
| 92 | case eventLoopQuitErr : | |
| 93 | // according to QA1061 this may also occur | |
| 94 | // when a WakeUp Process is executed | |
| 95 | break; | |
| 96 | ||
| 97 | default: | |
| 98 | if ( wxTheApp ) | |
| 99 | wxTheApp->MacSetCurrentEvent( theEvent, NULL ); | |
| 100 | ||
| 101 | OSStatus status = SendEventToEventTarget(theEvent, GetEventDispatcherTarget()); | |
| 102 | if (status == eventNotHandledErr && wxTheApp) | |
| 103 | wxTheApp->MacHandleUnhandledEvent(theEvent); | |
| 104 | ||
| 105 | ReleaseEvent( theEvent ); | |
| 106 | m_sleepTime = kEventDurationNoWait ; | |
| 107 | break; | |
| 108 | } | |
| 109 | ||
| 489468fe SC |
110 | return true; |
| 111 | } |