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[wxWidgets.git] / src / osx / carbon / evtloop.cpp
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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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97// TODO move into a evtloop_osx.cpp
98
99wxModalEventLoop::wxModalEventLoop(wxWindow *modalWindow)
2439f1d9 100{
cfb0ef70 101 m_modalWindow = dynamic_cast<wxNonOwnedWindow*> (modalWindow);
2439f1d9 102 wxASSERT_MSG( m_modalWindow != NULL, "must pass in a toplevel window for modal event loop" );
cfb0ef70 103 m_modalNativeWindow = m_modalWindow->GetWXWindow();
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104}
105
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106wxModalEventLoop::wxModalEventLoop(WXWindow modalNativeWindow)
107{
108 m_modalWindow = NULL;
109 wxASSERT_MSG( modalNativeWindow != NULL, "must pass in a toplevel window for modal event loop" );
110 m_modalNativeWindow = modalNativeWindow;
111}
112
113// END move into a evtloop_osx.cpp
114
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115void wxModalEventLoop::DoRun()
116{
117 wxMacAutoreleasePool autoreleasepool;
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118
119 bool resetGroupParent = false;
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120
121 WindowGroupRef windowGroup = NULL;
122 WindowGroupRef formerParentGroup = NULL;
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123
124 // make sure modal dialogs are in the right layer so that they are not covered
cfb0ef70 125 if ( m_modalWindow != NULL )
80eee837 126 {
cfb0ef70 127 if ( m_modalWindow->GetParent() == NULL )
80eee837 128 {
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129 windowGroup = GetWindowGroup(m_modalNativeWindow) ;
130 if ( windowGroup != GetWindowGroupOfClass( kMovableModalWindowClass ) )
131 {
132 formerParentGroup = GetWindowGroupParent( windowGroup );
133 SetWindowGroupParent( windowGroup, GetWindowGroupOfClass( kMovableModalWindowClass ) );
134 resetGroupParent = true;
135 }
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136 }
137 }
138
139 m_modalWindow->SetFocus();
140
cfb0ef70 141 RunAppModalLoopForWindow(m_modalNativeWindow);
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142
143 if ( resetGroupParent )
144 {
145 SetWindowGroupParent( windowGroup , formerParentGroup );
146 }
147
148}
149
150void wxModalEventLoop::DoStop()
151{
152 wxMacAutoreleasePool autoreleasepool;
cfb0ef70 153 QuitAppModalLoopForWindow(m_modalNativeWindow);
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154}
155
156