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489468fe 1///////////////////////////////////////////////////////////////////////////////
524c47aa 2// Name: src/osx/carbon/evtloop.cpp
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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"
bcf79477 31 #include "wx/log.h"
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32#endif // WX_PRECOMP
33
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34#if wxUSE_GUI
35#include "wx/nonownedwnd.h"
36#endif
37
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38#include "wx/osx/private.h"
39
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40// ============================================================================
41// wxEventLoop implementation
42// ============================================================================
43
524c47aa 44wxGUIEventLoop::wxGUIEventLoop()
489468fe 45{
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46}
47
0056673c 48static void DispatchAndReleaseEvent(EventRef theEvent)
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49{
50 if ( wxTheApp )
51 wxTheApp->MacSetCurrentEvent( theEvent, NULL );
52
53 OSStatus status = SendEventToEventTarget(theEvent, GetEventDispatcherTarget());
54 if (status == eventNotHandledErr && wxTheApp)
55 wxTheApp->MacHandleUnhandledEvent(theEvent);
56
57 ReleaseEvent( theEvent );
58}
59
0056673c 60int wxGUIEventLoop::DoDispatchTimeout(unsigned long timeout)
9af42efd 61{
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62 wxMacAutoreleasePool autoreleasepool;
63
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64 EventRef event;
65 OSStatus status = ReceiveNextEvent(0, NULL, timeout/1000, true, &event);
66 switch ( status )
67 {
68 default:
69 wxFAIL_MSG( "unexpected ReceiveNextEvent() error" );
70 // fall through
71
72 case eventLoopTimedOutErr:
73 return -1;
74
75 case eventLoopQuitErr:
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76 // according to QA1061 this may also occur
77 // when a WakeUp Process is executed
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78 return 0;
79
80 case noErr:
81 DispatchAndReleaseEvent(event);
82 return 1;
83 }
84}
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85
86void wxGUIEventLoop::DoRun()
87{
88 wxMacAutoreleasePool autoreleasepool;
89 RunApplicationEventLoop();
90}
91
92void wxGUIEventLoop::DoStop()
93{
94 QuitApplicationEventLoop();
95}
96
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97CFRunLoopRef wxGUIEventLoop::CFGetCurrentRunLoop() const
98{
99 return wxCFEventLoop::CFGetCurrentRunLoop();
100}
101
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102// TODO move into a evtloop_osx.cpp
103
104wxModalEventLoop::wxModalEventLoop(wxWindow *modalWindow)
2439f1d9 105{
cfb0ef70 106 m_modalWindow = dynamic_cast<wxNonOwnedWindow*> (modalWindow);
2439f1d9 107 wxASSERT_MSG( m_modalWindow != NULL, "must pass in a toplevel window for modal event loop" );
cfb0ef70 108 m_modalNativeWindow = m_modalWindow->GetWXWindow();
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109}
110
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111wxModalEventLoop::wxModalEventLoop(WXWindow modalNativeWindow)
112{
113 m_modalWindow = NULL;
114 wxASSERT_MSG( modalNativeWindow != NULL, "must pass in a toplevel window for modal event loop" );
115 m_modalNativeWindow = modalNativeWindow;
116}
117
118// END move into a evtloop_osx.cpp
119
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120void wxModalEventLoop::DoRun()
121{
7934e447 122 wxWindowDisabler disabler(m_modalWindow);
80eee837 123 wxMacAutoreleasePool autoreleasepool;
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124
125 bool resetGroupParent = false;
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126
127 WindowGroupRef windowGroup = NULL;
128 WindowGroupRef formerParentGroup = NULL;
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129
130 // make sure modal dialogs are in the right layer so that they are not covered
cfb0ef70 131 if ( m_modalWindow != NULL )
80eee837 132 {
cfb0ef70 133 if ( m_modalWindow->GetParent() == NULL )
80eee837 134 {
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135 windowGroup = GetWindowGroup(m_modalNativeWindow) ;
136 if ( windowGroup != GetWindowGroupOfClass( kMovableModalWindowClass ) )
137 {
138 formerParentGroup = GetWindowGroupParent( windowGroup );
139 SetWindowGroupParent( windowGroup, GetWindowGroupOfClass( kMovableModalWindowClass ) );
140 resetGroupParent = true;
141 }
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142 }
143 }
144
145 m_modalWindow->SetFocus();
146
cfb0ef70 147 RunAppModalLoopForWindow(m_modalNativeWindow);
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148
149 if ( resetGroupParent )
150 {
151 SetWindowGroupParent( windowGroup , formerParentGroup );
152 }
153
154}
155
156void wxModalEventLoop::DoStop()
157{
158 wxMacAutoreleasePool autoreleasepool;
cfb0ef70 159 QuitAppModalLoopForWindow(m_modalNativeWindow);
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160}
161
162