generate a text event even if SetValue() didn't really chaneg anything
[wxWidgets.git] / src / cocoa / app.mm
1 /////////////////////////////////////////////////////////////////////////////
2 // Name: cocoa/app.mm
3 // Purpose: wxApp
4 // Author: David Elliott
5 // Modified by:
6 // Created: 2002/11/27
7 // RCS-ID: $Id$
8 // Copyright: (c) David Elliott
9 // Licence: wxWindows licence
10 /////////////////////////////////////////////////////////////////////////////
11
12 // ============================================================================
13 // declarations
14 // ============================================================================
15
16 // ----------------------------------------------------------------------------
17 // headers
18 // ----------------------------------------------------------------------------
19
20 #include "wx/wxprec.h"
21 #ifndef WX_PRECOMP
22 #include "wx/defs.h"
23 #include "wx/app.h"
24 #include "wx/frame.h"
25 #include "wx/dialog.h"
26 #include "wx/dc.h"
27 #include "wx/intl.h"
28 #include "wx/log.h"
29 #endif
30
31 #include "wx/module.h"
32
33 #include "wx/cocoa/ObjcPose.h"
34 #include "wx/cocoa/autorelease.h"
35
36 #if wxUSE_WX_RESOURCES
37 # include "wx/resource.h"
38 #endif
39
40 #import <AppKit/NSApplication.h>
41 #import <Foundation/NSRunLoop.h>
42 #import <Foundation/NSArray.h>
43 #import <Foundation/NSAutoreleasePool.h>
44
45 // ----------------------------------------------------------------------------
46 // globals
47 // ----------------------------------------------------------------------------
48
49 wxPoseAsInitializer *wxPoseAsInitializer::sm_first = NULL;
50
51 @interface wxPoserNSApplication : NSApplication
52 {
53 }
54
55 - (void)doIdle: (id)data;
56 - (void)sendEvent: (NSEvent*)anEvent;
57 - (BOOL)applicationShouldTerminateAfterLastWindowClosed:(NSApplication *)theApplication;
58 @end // wxPoserNSApplication
59
60 @implementation wxPoserNSApplication : NSApplication
61
62 - (void)doIdle: (id)data
63 {
64 wxASSERT(wxTheApp);
65 wxLogDebug("doIdle called");
66 NSRunLoop *rl = [NSRunLoop currentRunLoop];
67 // runMode: beforeDate returns YES if something was done
68 while(wxTheApp->ProcessIdle()) // FIXME: AND NO EVENTS ARE PENDING
69 {
70 wxLogDebug("Looping for idle events");
71 #if 1
72 if( [rl runMode:[rl currentMode] beforeDate:[NSDate distantPast]])
73 {
74 wxLogDebug("Found actual work to do");
75 break;
76 }
77 #endif
78 }
79 wxLogDebug("Idle processing complete, requesting next idle event");
80 // Add ourself back into the run loop (on next event) if necessary
81 wxTheApp->CocoaRequestIdle();
82 }
83
84 - (void)sendEvent: (NSEvent*)anEvent
85 {
86 wxLogDebug("SendEvent");
87 wxTheApp->CocoaInstallRequestedIdleHandler();
88 [super sendEvent: anEvent];
89 }
90
91 - (BOOL)applicationShouldTerminateAfterLastWindowClosed:(NSApplication *)theApplication
92 {
93 BOOL ret = wxTheApp->GetExitOnFrameDelete();
94 wxLogDebug("applicationShouldTermintaeAfterLastWindowClosed=%d",ret);
95 return ret;
96 }
97
98 @end // wxPoserNSApplication
99 WX_IMPLEMENT_POSER(wxPoserNSApplication);
100
101 // ============================================================================
102 // functions
103 // ============================================================================
104
105 void wxApp::Exit()
106 {
107 wxApp::CleanUp();
108
109 wxAppConsole::Exit();
110 }
111
112 // ============================================================================
113 // wxApp implementation
114 // ============================================================================
115
116 // ----------------------------------------------------------------------------
117 // wxApp Static member initialization
118 // ----------------------------------------------------------------------------
119
120 #if !USE_SHARED_LIBRARY
121 IMPLEMENT_DYNAMIC_CLASS(wxApp, wxEvtHandler)
122 BEGIN_EVENT_TABLE(wxApp, wxEvtHandler)
123 EVT_IDLE(wxAppBase::OnIdle)
124 // EVT_END_SESSION(wxApp::OnEndSession)
125 // EVT_QUERY_END_SESSION(wxApp::OnQueryEndSession)
126 END_EVENT_TABLE()
127 #endif
128
129 // ----------------------------------------------------------------------------
130 // wxApp initialization/cleanup
131 // ----------------------------------------------------------------------------
132
133 bool wxApp::Initialize(int& argc, wxChar **argv)
134 {
135 wxAutoNSAutoreleasePool pool;
136 // Mac OS X passes a process serial number command line argument when
137 // the application is launched from the Finder. This argument must be
138 // removed from the command line arguments before being handled by the
139 // application (otherwise applications would need to handle it)
140 if ( argc > 1 )
141 {
142 static const wxChar *ARG_PSN = _T("-psn_");
143 if ( wxStrncmp(argv[1], ARG_PSN, sizeof(ARG_PSN) - 1) == 0 )
144 {
145 // remove this argument
146 memmove(argv, argv + 1, argc--);
147 }
148 }
149
150 // Posing must be completed before any instances of the Objective-C
151 // classes being posed as are created.
152 wxPoseAsInitializer::InitializePosers();
153
154 return wxAppBase::Initialize(argc, argv);
155 }
156
157 void wxApp::CleanUp()
158 {
159 wxDC::CocoaShutdownTextSystem();
160
161 wxAppBase::CleanUp();
162 }
163
164 // ----------------------------------------------------------------------------
165 // wxApp creation
166 // ----------------------------------------------------------------------------
167
168 wxApp::wxApp()
169 {
170 m_topWindow = NULL;
171
172 m_isIdle = true;
173 #if WXWIN_COMPATIBILITY_2_2
174 m_wantDebugOutput = TRUE;
175 #endif
176
177 argc = 0;
178 argv = NULL;
179 m_cocoaApp = NULL;
180 }
181
182 void wxApp::CocoaInstallIdleHandler()
183 {
184 // If we're supposed to be stopping, don't add more idle events
185 if(![m_cocoaApp isRunning])
186 return;
187 wxLogDebug("wxApp::CocoaInstallIdleHandler");
188 m_isIdle = false;
189 // Call doIdle for EVERYTHING dammit
190 // We'd need Foundation/NSConnection.h for this next constant, do we need it?
191 [[ NSRunLoop currentRunLoop ] performSelector:@selector(doIdle:) target:m_cocoaApp argument:NULL order:0 modes:[NSArray arrayWithObjects:NSDefaultRunLoopMode, /* NSConnectionReplyRunLoopMode,*/ NSModalPanelRunLoopMode, /**/NSEventTrackingRunLoopMode,/**/ nil] ];
192 }
193
194 bool wxApp::OnInitGui()
195 {
196 wxAutoNSAutoreleasePool pool;
197 if(!wxAppBase::OnInitGui())
198 return FALSE;
199
200 // Create the app using the sharedApplication method
201 m_cocoaApp = [NSApplication sharedApplication];
202 wxDC::CocoaInitializeTextSystem();
203 // [ m_cocoaApp setDelegate:m_cocoaApp ];
204 #if 0
205 wxLogDebug("Just for kicks");
206 [ m_cocoaApp performSelector:@selector(doIdle:) withObject:NULL ];
207 wxLogDebug("okay.. done now");
208 #endif
209 return TRUE;
210 }
211
212 bool wxApp::CallOnInit()
213 {
214 // wxAutoNSAutoreleasePool pool;
215 return OnInit();
216 }
217
218 bool wxApp::OnInit()
219 {
220 if(!wxAppBase::OnInit())
221 return FALSE;
222
223 return TRUE;
224 }
225
226 bool wxApp::Initialized()
227 {
228 if (GetTopWindow())
229 return TRUE;
230 else
231 return FALSE;
232 }
233
234 int wxApp::MainLoop()
235 {
236 [m_cocoaApp run];
237 return 0;
238 }
239
240 void wxApp::ExitMainLoop()
241 {
242 wxLogDebug("wxApp::ExitMailLoop m_isIdle=%d, isRunning=%d",(int)m_isIdle,(int)[m_cocoaApp isRunning]);
243 // CocoaInstallRequestedIdleHandler();
244 // if(m_isIdle)
245 // [[ NSRunLoop currentRunLoop ] performSelector:@selector(doIdle:) target:m_cocoaApp argument:NULL order:0 modes:[NSArray arrayWithObjects:NSDefaultRunLoopMode, /* NSConnectionReplyRunLoopMode, NSModalPanelRunLoopMode, NSEventTrackingRunLoopMode,*/ nil] ];
246 // actually.. we WANT the idle event
247 // or not
248 #if 0
249 if(!m_isIdle)
250 [[ NSRunLoop currentRunLoop ] cancelPerformSelector:@selector(doIdle:) target:m_cocoaApp argument:NULL];
251 #endif
252 [m_cocoaApp stop: m_cocoaApp];
253 }
254
255 // Is a message/event pending?
256 bool wxApp::Pending()
257 {
258 return 0;
259 }
260
261 // Dispatch a message.
262 void wxApp::Dispatch()
263 {
264 }
265
266 // Yield to other processes
267
268 bool wxApp::Yield(bool onlyIfNeeded)
269 {
270 // MT-FIXME
271 static bool s_inYield = false;
272
273 #if wxUSE_LOG
274 // disable log flushing from here because a call to wxYield() shouldn't
275 // normally result in message boxes popping up &c
276 wxLog::Suspend();
277 #endif // wxUSE_LOG
278
279 if (s_inYield)
280 {
281 if ( !onlyIfNeeded )
282 {
283 wxFAIL_MSG( wxT("wxYield called recursively" ) );
284 }
285
286 return false;
287 }
288
289 s_inYield = true;
290
291 wxLogDebug("WARNING: SUPPOSED to have yielded!");
292 // FIXME: Do something!
293
294 #if wxUSE_LOG
295 // let the logs be flashed again
296 wxLog::Resume();
297 #endif // wxUSE_LOG
298
299 s_inYield = false;
300
301 return true;
302 }
303