fix wxGTK1 compilation after wxTextEntry DoGetValue() change
[wxWidgets.git] / src / osx / cocoa / evtloop.mm
1 ///////////////////////////////////////////////////////////////////////////////
2 // Name: src/osx/cocoa/evtloop.mm
3 // Purpose: implementation of wxEventLoop for OS X
4 // Author: Vadim Zeitlin, Stefan Csomor
5 // Modified by:
6 // Created: 2006-01-12
7 // RCS-ID: $Id: evtloop.cpp 54845 2008-07-30 14:52:41Z SC $
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
33 #include "wx/log.h"
34
35 #include "wx/osx/private.h"
36
37 // ============================================================================
38 // wxEventLoop implementation
39 // ============================================================================
40
41 wxGUIEventLoop::wxGUIEventLoop()
42 {
43 m_sleepTime = 0.0;
44 }
45
46 void wxGUIEventLoop::WakeUp()
47 {
48 extern void wxMacWakeUp();
49
50 wxMacWakeUp();
51 }
52
53 bool wxGUIEventLoop::Pending() const
54 {
55 wxMacAutoreleasePool autoreleasepool;
56 // a pointer to the event is returned if there is one, or nil if not
57 return [[NSApplication sharedApplication]
58 nextEventMatchingMask: NSAnyEventMask
59 untilDate: nil
60 inMode: NSDefaultRunLoopMode
61 dequeue: NO];
62 }
63
64 bool wxGUIEventLoop::Dispatch()
65 {
66 if ( !wxTheApp )
67 return false;
68
69 wxMacAutoreleasePool autoreleasepool;
70
71 if(NSEvent *event = [NSApp
72 nextEventMatchingMask:NSAnyEventMask
73 untilDate:[NSDate dateWithTimeIntervalSinceNow: m_sleepTime]
74 inMode:NSDefaultRunLoopMode
75 dequeue: YES])
76 {
77 m_sleepTime = 0.0;
78 [NSApp sendEvent: event];
79 }
80 else
81 {
82 if ( wxTheApp->ProcessIdle() )
83 m_sleepTime = 0.0 ;
84 else
85 {
86 m_sleepTime = 1.0;
87 #if wxUSE_THREADS
88 wxMutexGuiLeave();
89 wxMilliSleep(20);
90 wxMutexGuiEnter();
91 #endif
92 }
93 }
94
95 return true;
96 }
97
98 bool wxGUIEventLoop::YieldFor(long eventsToProcess)
99 {
100 #if wxUSE_THREADS
101 // Yielding from a non-gui thread needs to bail out, otherwise we end up
102 // possibly sending events in the thread too.
103 if ( !wxThread::IsMain() )
104 {
105 return true;
106 }
107 #endif // wxUSE_THREADS
108
109 m_isInsideYield = true;
110 m_eventsToProcessInsideYield = eventsToProcess;
111
112 #if wxUSE_LOG
113 // disable log flushing from here because a call to wxYield() shouldn't
114 // normally result in message boxes popping up &c
115 wxLog::Suspend();
116 #endif // wxUSE_LOG
117
118 // process all pending events:
119 while ( Pending() )
120 Dispatch();
121
122 // it's necessary to call ProcessIdle() to update the frames sizes which
123 // might have been changed (it also will update other things set from
124 // OnUpdateUI() which is a nice (and desired) side effect)
125 while ( ProcessIdle() ) {}
126
127 #if wxUSE_LOG
128 wxLog::Resume();
129 #endif // wxUSE_LOG
130 m_isInsideYield = false;
131
132 return true;
133 }
134
135 int wxGUIEventLoop::DispatchTimeout(unsigned long timeout)
136 {
137 wxMacAutoreleasePool autoreleasepool;
138
139 NSEvent *event = [NSApp
140 nextEventMatchingMask:NSAnyEventMask
141 untilDate:[NSDate dateWithTimeIntervalSinceNow: timeout/1000]
142 inMode:NSDefaultRunLoopMode
143 dequeue: YES];
144 if ( !event )
145 return -1;
146
147 [NSApp sendEvent: event];
148
149 return true;
150 }