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1 | /////////////////////////////////////////////////////////////////////////////// | |
2 | // Name: src/mac/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 | #endif // WX_PRECOMP | |
32 | ||
33 | #ifdef __DARWIN__ | |
34 | #include <Carbon/Carbon.h> | |
35 | #else | |
36 | #include <Carbon.h> | |
37 | #endif | |
38 | // ============================================================================ | |
39 | // wxEventLoop implementation | |
40 | // ============================================================================ | |
41 | ||
42 | // ---------------------------------------------------------------------------- | |
43 | // high level functions for RunApplicationEventLoop() case | |
44 | // ---------------------------------------------------------------------------- | |
45 | ||
46 | #if wxMAC_USE_RUN_APP_EVENT_LOOP | |
47 | ||
48 | int wxGUIEventLoop::Run() | |
49 | { | |
50 | wxEventLoopActivator activate(this); | |
51 | ||
52 | RunApplicationEventLoop(); | |
53 | ||
54 | return m_exitcode; | |
55 | } | |
56 | ||
57 | void wxGUIEventLoop::Exit(int rc) | |
58 | { | |
59 | m_exitcode = rc; | |
60 | ||
61 | QuitApplicationEventLoop(); | |
62 | ||
63 | OnExit(); | |
64 | } | |
65 | ||
66 | #else // manual event loop | |
67 | ||
68 | // ---------------------------------------------------------------------------- | |
69 | // functions only used by wxEventLoopManual-based implementation | |
70 | // ---------------------------------------------------------------------------- | |
71 | ||
72 | void wxGUIEventLoop::WakeUp() | |
73 | { | |
74 | extern void wxMacWakeUp(); | |
75 | ||
76 | wxMacWakeUp(); | |
77 | } | |
78 | ||
79 | #endif // high/low-level event loop | |
80 | ||
81 | // ---------------------------------------------------------------------------- | |
82 | // low level functions used in both cases | |
83 | // ---------------------------------------------------------------------------- | |
84 | ||
85 | bool wxGUIEventLoop::Pending() const | |
86 | { | |
87 | EventRef theEvent; | |
88 | ||
89 | return ReceiveNextEvent | |
90 | ( | |
91 | 0, // we want any event at all so we don't specify neither | |
92 | NULL, // the number of event types nor the types themselves | |
93 | kEventDurationNoWait, | |
94 | false, // don't remove the event from queue | |
95 | &theEvent | |
96 | ) == noErr; | |
97 | } | |
98 | ||
99 | bool wxGUIEventLoop::Dispatch() | |
100 | { | |
101 | // TODO: we probably should do the dispatching directly from here but for | |
102 | // now it's easier to forward to wxApp which has all the code to do | |
103 | // it | |
104 | if ( !wxTheApp ) | |
105 | return false; | |
106 | ||
107 | wxTheApp->MacDoOneEvent(); | |
108 | return true; | |
109 | } |