| 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: wxWidgets licence |
| 10 | ///////////////////////////////////////////////////////////////////////////// |
| 11 | |
| 12 | #include "wx/wxprec.h" |
| 13 | #ifndef WX_PRECOMP |
| 14 | #include "wx/defs.h" |
| 15 | #include "wx/app.h" |
| 16 | #include "wx/dc.h" |
| 17 | #include "wx/intl.h" |
| 18 | #include "wx/log.h" |
| 19 | #endif |
| 20 | |
| 21 | #include "wx/module.h" |
| 22 | |
| 23 | #include "wx/cocoa/ObjcPose.h" |
| 24 | #include "wx/cocoa/autorelease.h" |
| 25 | #include "wx/cocoa/mbarman.h" |
| 26 | #include "wx/cocoa/NSApplication.h" |
| 27 | |
| 28 | #if wxUSE_WX_RESOURCES |
| 29 | # include "wx/resource.h" |
| 30 | #endif |
| 31 | |
| 32 | #import <AppKit/NSApplication.h> |
| 33 | #import <Foundation/NSRunLoop.h> |
| 34 | #import <Foundation/NSThread.h> |
| 35 | #import <AppKit/NSEvent.h> |
| 36 | #import <Foundation/NSString.h> |
| 37 | #import <Foundation/NSNotification.h> |
| 38 | #import <AppKit/NSCell.h> |
| 39 | |
| 40 | // ======================================================================== |
| 41 | // wxPoseAsInitializer |
| 42 | // ======================================================================== |
| 43 | wxPoseAsInitializer *wxPoseAsInitializer::sm_first = NULL; |
| 44 | |
| 45 | static bool sg_needIdle = true; |
| 46 | |
| 47 | // ======================================================================== |
| 48 | // wxPoserNSApplication |
| 49 | // ======================================================================== |
| 50 | @interface wxPoserNSApplication : NSApplication |
| 51 | { |
| 52 | } |
| 53 | |
| 54 | - (NSEvent *)nextEventMatchingMask:(unsigned int)mask untilDate:(NSDate *)expiration inMode:(NSString *)mode dequeue:(BOOL)flag; |
| 55 | - (void)sendEvent: (NSEvent*)anEvent; |
| 56 | @end // wxPoserNSApplication |
| 57 | |
| 58 | WX_IMPLEMENT_POSER(wxPoserNSApplication); |
| 59 | |
| 60 | @implementation wxPoserNSApplication : NSApplication |
| 61 | |
| 62 | /* NOTE: The old method of idle event handling added the handler using the |
| 63 | [NSRunLoop -performSelector:target:argument:order:modes] which caused |
| 64 | the invocation to occur at the begining of [NSApplication |
| 65 | -nextEventMatchingMask:untilDate:expiration:inMode:dequeue:]. However, |
| 66 | the code would be scheduled for invocation with every iteration of |
| 67 | the event loop. This new method simply overrides the method. The |
| 68 | same caveats apply. In particular, by the time the event loop has |
| 69 | called this method, it usually expects to receive an event. If you |
| 70 | plan on stopping the event loop, it is wise to send an event through |
| 71 | the queue to ensure this method will return. |
| 72 | See wxEventLoop::Exit() for more information. |
| 73 | |
| 74 | This overridden method calls the superclass method with an untilDate |
| 75 | parameter that indicates nil should be returned if there are no pending |
| 76 | events. That is, nextEventMatchingMask: should not wait for an event. |
| 77 | If nil is returned then idle event processing occurs until the user |
| 78 | does not request anymore idle events or until a real event comes through. |
| 79 | |
| 80 | RN: Even though Apple documentation states that nil can be passed in place |
| 81 | of [NSDate distantPast] in the untilDate parameter, this causes Jaguar (10.2) |
| 82 | to get stuck in some kind of loop deep within nextEventMatchingMask:, thus we |
| 83 | need to explicitly pass [NSDate distantPast] instead. |
| 84 | */ |
| 85 | |
| 86 | - (NSEvent *)nextEventMatchingMask:(unsigned int)mask untilDate:(NSDate *)expiration inMode:(NSString *)mode dequeue:(BOOL)flag |
| 87 | { |
| 88 | // Get the same events except don't block |
| 89 | NSEvent *event = [super nextEventMatchingMask:mask untilDate:[NSDate distantPast] inMode:mode dequeue:flag]; |
| 90 | // If we got one, simply return it |
| 91 | if(event) |
| 92 | return event; |
| 93 | // No events, try doing some idle stuff |
| 94 | if(sg_needIdle |
| 95 | #ifdef __WXDEBUG__ |
| 96 | && !wxTheApp->IsInAssert() |
| 97 | #endif |
| 98 | && ([NSDefaultRunLoopMode isEqualToString:mode] || [NSModalPanelRunLoopMode isEqualToString:mode])) |
| 99 | { |
| 100 | sg_needIdle = false; |
| 101 | wxLogTrace(wxTRACE_COCOA,wxT("Processing idle events")); |
| 102 | while(wxTheApp->ProcessIdle()) |
| 103 | { |
| 104 | // Get the same events except don't block |
| 105 | NSEvent *event = [super nextEventMatchingMask:mask untilDate:[NSDate distantPast] inMode:mode dequeue:flag]; |
| 106 | // If we got one, simply return it |
| 107 | if(event) |
| 108 | return event; |
| 109 | // we didn't get one, do some idle work |
| 110 | wxLogTrace(wxTRACE_COCOA,wxT("Looping idle events")); |
| 111 | } |
| 112 | // No more idle work requested, block |
| 113 | wxLogTrace(wxTRACE_COCOA,wxT("Finished idle processing")); |
| 114 | } |
| 115 | else |
| 116 | wxLogTrace(wxTRACE_COCOA,wxT("Avoiding idle processing sg_needIdle=%d"),sg_needIdle); |
| 117 | return [super nextEventMatchingMask:mask untilDate:expiration inMode:mode dequeue:flag]; |
| 118 | } |
| 119 | |
| 120 | - (void)sendEvent: (NSEvent*)anEvent |
| 121 | { |
| 122 | wxLogTrace(wxTRACE_COCOA,wxT("SendEvent")); |
| 123 | sg_needIdle = true; |
| 124 | [super sendEvent: anEvent]; |
| 125 | } |
| 126 | |
| 127 | @end // wxPoserNSApplication |
| 128 | |
| 129 | // ======================================================================== |
| 130 | // wxNSApplicationDelegate |
| 131 | // ======================================================================== |
| 132 | @implementation wxNSApplicationDelegate : NSObject |
| 133 | |
| 134 | // NOTE: Terminate means that the event loop does NOT return and thus |
| 135 | // cleanup code doesn't properly execute. Furthermore, wxWidgets has its |
| 136 | // own exit on frame delete mechanism. |
| 137 | - (BOOL)applicationShouldTerminateAfterLastWindowClosed:(NSApplication *)theApplication |
| 138 | { |
| 139 | return NO; |
| 140 | } |
| 141 | |
| 142 | - (void)applicationWillBecomeActive:(NSNotification *)notification |
| 143 | { |
| 144 | wxTheApp->CocoaDelegate_applicationWillBecomeActive(); |
| 145 | } |
| 146 | |
| 147 | - (void)applicationDidBecomeActive:(NSNotification *)notification |
| 148 | { |
| 149 | wxTheApp->CocoaDelegate_applicationDidBecomeActive(); |
| 150 | } |
| 151 | |
| 152 | - (void)applicationWillResignActive:(NSNotification *)notification |
| 153 | { |
| 154 | wxTheApp->CocoaDelegate_applicationWillResignActive(); |
| 155 | } |
| 156 | |
| 157 | - (void)applicationDidResignActive:(NSNotification *)notification |
| 158 | { |
| 159 | wxTheApp->CocoaDelegate_applicationDidResignActive(); |
| 160 | } |
| 161 | |
| 162 | - (void)controlTintChanged:(NSNotification *)notification |
| 163 | { |
| 164 | wxLogDebug(wxT("TODO: send EVT_SYS_COLOUR_CHANGED as appropriate")); |
| 165 | } |
| 166 | |
| 167 | @end // implementation wxNSApplicationDelegate : NSObject |
| 168 | |
| 169 | // ======================================================================== |
| 170 | // wxApp |
| 171 | // ======================================================================== |
| 172 | |
| 173 | // ---------------------------------------------------------------------------- |
| 174 | // wxApp Static member initialization |
| 175 | // ---------------------------------------------------------------------------- |
| 176 | IMPLEMENT_DYNAMIC_CLASS(wxApp, wxEvtHandler) |
| 177 | BEGIN_EVENT_TABLE(wxApp, wxEvtHandler) |
| 178 | EVT_IDLE(wxAppBase::OnIdle) |
| 179 | // EVT_END_SESSION(wxApp::OnEndSession) |
| 180 | // EVT_QUERY_END_SESSION(wxApp::OnQueryEndSession) |
| 181 | END_EVENT_TABLE() |
| 182 | |
| 183 | // ---------------------------------------------------------------------------- |
| 184 | // wxApp initialization/cleanup |
| 185 | // ---------------------------------------------------------------------------- |
| 186 | bool wxApp::Initialize(int& argc, wxChar **argv) |
| 187 | { |
| 188 | wxAutoNSAutoreleasePool pool; |
| 189 | m_cocoaMainThread = [NSThread currentThread]; |
| 190 | // Mac OS X passes a process serial number command line argument when |
| 191 | // the application is launched from the Finder. This argument must be |
| 192 | // removed from the command line arguments before being handled by the |
| 193 | // application (otherwise applications would need to handle it) |
| 194 | if ( argc > 1 ) |
| 195 | { |
| 196 | static const wxChar *ARG_PSN = _T("-psn_"); |
| 197 | if ( wxStrncmp(argv[1], ARG_PSN, wxStrlen(ARG_PSN)) == 0 ) |
| 198 | { |
| 199 | // remove this argument |
| 200 | --argc; |
| 201 | memmove(argv + 1, argv + 2, argc * sizeof(wxChar *)); |
| 202 | } |
| 203 | } |
| 204 | |
| 205 | // Posing must be completed before any instances of the Objective-C |
| 206 | // classes being posed as are created. |
| 207 | wxPoseAsInitializer::InitializePosers(); |
| 208 | |
| 209 | return wxAppBase::Initialize(argc, argv); |
| 210 | } |
| 211 | |
| 212 | void wxApp::CleanUp() |
| 213 | { |
| 214 | wxAutoNSAutoreleasePool pool; |
| 215 | |
| 216 | wxDC::CocoaShutdownTextSystem(); |
| 217 | wxMenuBarManager::DestroyInstance(); |
| 218 | |
| 219 | [m_cocoaApp setDelegate:nil]; |
| 220 | [[NSNotificationCenter defaultCenter] removeObserver:m_cocoaAppDelegate |
| 221 | name:NSControlTintDidChangeNotification object:nil]; |
| 222 | [m_cocoaAppDelegate release]; |
| 223 | m_cocoaAppDelegate = NULL; |
| 224 | |
| 225 | wxAppBase::CleanUp(); |
| 226 | } |
| 227 | |
| 228 | // ---------------------------------------------------------------------------- |
| 229 | // wxApp creation |
| 230 | // ---------------------------------------------------------------------------- |
| 231 | wxApp::wxApp() |
| 232 | { |
| 233 | m_topWindow = NULL; |
| 234 | |
| 235 | #ifdef __WXDEBUG__ |
| 236 | m_isInAssert = FALSE; |
| 237 | #endif // __WXDEBUG__ |
| 238 | |
| 239 | argc = 0; |
| 240 | argv = NULL; |
| 241 | m_cocoaApp = NULL; |
| 242 | m_cocoaAppDelegate = NULL; |
| 243 | } |
| 244 | |
| 245 | void wxApp::CocoaDelegate_applicationWillBecomeActive() |
| 246 | { |
| 247 | } |
| 248 | |
| 249 | void wxApp::CocoaDelegate_applicationDidBecomeActive() |
| 250 | { |
| 251 | } |
| 252 | |
| 253 | void wxApp::CocoaDelegate_applicationWillResignActive() |
| 254 | { |
| 255 | wxTopLevelWindowCocoa::DeactivatePendingWindow(); |
| 256 | } |
| 257 | |
| 258 | void wxApp::CocoaDelegate_applicationDidResignActive() |
| 259 | { |
| 260 | } |
| 261 | |
| 262 | bool wxApp::OnInitGui() |
| 263 | { |
| 264 | wxAutoNSAutoreleasePool pool; |
| 265 | if(!wxAppBase::OnInitGui()) |
| 266 | return FALSE; |
| 267 | |
| 268 | // Create the app using the sharedApplication method |
| 269 | m_cocoaApp = [NSApplication sharedApplication]; |
| 270 | m_cocoaAppDelegate = [[wxNSApplicationDelegate alloc] init]; |
| 271 | [m_cocoaApp setDelegate:m_cocoaAppDelegate]; |
| 272 | [[NSNotificationCenter defaultCenter] addObserver:m_cocoaAppDelegate |
| 273 | selector:@selector(controlTintChanged:) |
| 274 | name:NSControlTintDidChangeNotification object:nil]; |
| 275 | |
| 276 | wxMenuBarManager::CreateInstance(); |
| 277 | |
| 278 | wxDC::CocoaInitializeTextSystem(); |
| 279 | return TRUE; |
| 280 | } |
| 281 | |
| 282 | bool wxApp::CallOnInit() |
| 283 | { |
| 284 | // wxAutoNSAutoreleasePool pool; |
| 285 | return OnInit(); |
| 286 | } |
| 287 | |
| 288 | bool wxApp::OnInit() |
| 289 | { |
| 290 | if(!wxAppBase::OnInit()) |
| 291 | return FALSE; |
| 292 | |
| 293 | return TRUE; |
| 294 | } |
| 295 | |
| 296 | void wxApp::Exit() |
| 297 | { |
| 298 | wxApp::CleanUp(); |
| 299 | |
| 300 | wxAppConsole::Exit(); |
| 301 | } |
| 302 | |
| 303 | // Yield to other processes |
| 304 | bool wxApp::Yield(bool onlyIfNeeded) |
| 305 | { |
| 306 | // MT-FIXME |
| 307 | static bool s_inYield = false; |
| 308 | |
| 309 | #if wxUSE_LOG |
| 310 | // disable log flushing from here because a call to wxYield() shouldn't |
| 311 | // normally result in message boxes popping up &c |
| 312 | wxLog::Suspend(); |
| 313 | #endif // wxUSE_LOG |
| 314 | |
| 315 | if (s_inYield) |
| 316 | { |
| 317 | if ( !onlyIfNeeded ) |
| 318 | { |
| 319 | wxFAIL_MSG( wxT("wxYield called recursively" ) ); |
| 320 | } |
| 321 | |
| 322 | return false; |
| 323 | } |
| 324 | |
| 325 | s_inYield = true; |
| 326 | |
| 327 | // Run the event loop until it is out of events |
| 328 | while(1) |
| 329 | { |
| 330 | wxAutoNSAutoreleasePool pool; |
| 331 | NSEvent *event = [GetNSApplication() |
| 332 | nextEventMatchingMask:NSAnyEventMask |
| 333 | untilDate:[NSDate distantPast] |
| 334 | inMode:NSDefaultRunLoopMode |
| 335 | dequeue: YES]; |
| 336 | if(!event) |
| 337 | break; |
| 338 | [GetNSApplication() sendEvent: event]; |
| 339 | } |
| 340 | |
| 341 | #if wxUSE_LOG |
| 342 | // let the logs be flashed again |
| 343 | wxLog::Resume(); |
| 344 | #endif // wxUSE_LOG |
| 345 | |
| 346 | s_inYield = false; |
| 347 | |
| 348 | return true; |
| 349 | } |
| 350 | |
| 351 | void wxApp::WakeUpIdle() |
| 352 | { |
| 353 | [m_cocoaApp postEvent:[NSEvent otherEventWithType:NSApplicationDefined |
| 354 | location:NSZeroPoint modifierFlags:NSAnyEventMask |
| 355 | timestamp:0 windowNumber:0 context:nil |
| 356 | subtype:0 data1:0 data2:0] atStart:NO]; |
| 357 | } |
| 358 | |
| 359 | #ifdef __WXDEBUG__ |
| 360 | void wxApp::OnAssert(const wxChar *file, int line, const wxChar* cond, const wxChar *msg) |
| 361 | { |
| 362 | m_isInAssert = TRUE; |
| 363 | wxAppBase::OnAssert(file, line, cond, msg); |
| 364 | m_isInAssert = FALSE; |
| 365 | } |
| 366 | #endif // __WXDEBUG__ |
| 367 | |