]>
Commit | Line | Data |
---|---|---|
1 | /////////////////////////////////////////////////////////////////////////////// | |
2 | // Name: src/osx/carbon/evtloop.cpp | |
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 | #include "wx/log.h" | |
32 | #endif // WX_PRECOMP | |
33 | ||
34 | #if wxUSE_GUI | |
35 | #include "wx/nonownedwnd.h" | |
36 | #endif | |
37 | ||
38 | #include "wx/osx/private.h" | |
39 | ||
40 | // ============================================================================ | |
41 | // wxEventLoop implementation | |
42 | // ============================================================================ | |
43 | ||
44 | wxGUIEventLoop::wxGUIEventLoop() | |
45 | { | |
46 | } | |
47 | ||
48 | static void DispatchAndReleaseEvent(EventRef theEvent) | |
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 | ||
60 | int wxGUIEventLoop::DoDispatchTimeout(unsigned long timeout) | |
61 | { | |
62 | wxMacAutoreleasePool autoreleasepool; | |
63 | ||
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: | |
76 | // according to QA1061 this may also occur | |
77 | // when a WakeUp Process is executed | |
78 | return 0; | |
79 | ||
80 | case noErr: | |
81 | DispatchAndReleaseEvent(event); | |
82 | return 1; | |
83 | } | |
84 | } | |
85 | ||
86 | void wxGUIEventLoop::DoRun() | |
87 | { | |
88 | wxMacAutoreleasePool autoreleasepool; | |
89 | RunApplicationEventLoop(); | |
90 | } | |
91 | ||
92 | void wxGUIEventLoop::DoStop() | |
93 | { | |
94 | QuitApplicationEventLoop(); | |
95 | } | |
96 | ||
97 | CFRunLoopRef wxGUIEventLoop::CFGetCurrentRunLoop() const | |
98 | { | |
99 | return wxCFEventLoop::CFGetCurrentRunLoop(); | |
100 | } | |
101 | ||
102 | // TODO move into a evtloop_osx.cpp | |
103 | ||
104 | wxModalEventLoop::wxModalEventLoop(wxWindow *modalWindow) | |
105 | { | |
106 | m_modalWindow = wxDynamicCast(modalWindow, wxNonOwnedWindow); | |
107 | wxASSERT_MSG( m_modalWindow != NULL, "must pass in a toplevel window for modal event loop" ); | |
108 | m_modalNativeWindow = m_modalWindow->GetWXWindow(); | |
109 | } | |
110 | ||
111 | wxModalEventLoop::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 | ||
120 | void wxModalEventLoop::DoRun() | |
121 | { | |
122 | wxWindowDisabler disabler(m_modalWindow); | |
123 | wxMacAutoreleasePool autoreleasepool; | |
124 | ||
125 | bool resetGroupParent = false; | |
126 | ||
127 | WindowGroupRef windowGroup = NULL; | |
128 | WindowGroupRef formerParentGroup = NULL; | |
129 | ||
130 | // make sure modal dialogs are in the right layer so that they are not covered | |
131 | if ( m_modalWindow != NULL ) | |
132 | { | |
133 | if ( m_modalWindow->GetParent() == NULL ) | |
134 | { | |
135 | windowGroup = GetWindowGroup(m_modalNativeWindow) ; | |
136 | if ( windowGroup != GetWindowGroupOfClass( kMovableModalWindowClass ) ) | |
137 | { | |
138 | formerParentGroup = GetWindowGroupParent( windowGroup ); | |
139 | SetWindowGroupParent( windowGroup, GetWindowGroupOfClass( kMovableModalWindowClass ) ); | |
140 | resetGroupParent = true; | |
141 | } | |
142 | } | |
143 | } | |
144 | ||
145 | m_modalWindow->SetFocus(); | |
146 | ||
147 | RunAppModalLoopForWindow(m_modalNativeWindow); | |
148 | ||
149 | if ( resetGroupParent ) | |
150 | { | |
151 | SetWindowGroupParent( windowGroup , formerParentGroup ); | |
152 | } | |
153 | ||
154 | } | |
155 | ||
156 | void wxModalEventLoop::DoStop() | |
157 | { | |
158 | wxMacAutoreleasePool autoreleasepool; | |
159 | QuitAppModalLoopForWindow(m_modalNativeWindow); | |
160 | } | |
161 | ||
162 |