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 #include "wx/wxprec.h"
  13 #ifndef WX_PRECOMP
  14     #include "wx/defs.h"
  15     #include "wx/app.h"
  16     #include "wx/frame.h"
  17     #include "wx/dialog.h"
  18     #include "wx/dc.h"
  19     #include "wx/intl.h"
  20     #include "wx/log.h"
  21 #endif
  22
  23 #include "wx/module.h"
  24
  25 #include "wx/cocoa/ObjcPose.h"
  26 #include "wx/cocoa/autorelease.h"
  27 #include "wx/cocoa/mbarman.h"
  28
  29 #if wxUSE_WX_RESOURCES
  30 #  include "wx/resource.h"
  31 #endif
  32
  33 #import <AppKit/NSApplication.h>
  34 #import <Foundation/NSRunLoop.h>
  35 #import <Foundation/NSArray.h>
  36 #import <Foundation/NSAutoreleasePool.h>
  37 #import <Foundation/NSThread.h>
  38 #import <AppKit/NSEvent.h>
  39
  40 // ========================================================================
  41 // wxPoseAsInitializer
  42 // ========================================================================
  43 wxPoseAsInitializer *wxPoseAsInitializer::sm_first = NULL;
  44
  45 // ========================================================================
  46 // wxPoserNSApplication
  47 // ========================================================================
  48 @interface wxPoserNSApplication : NSApplication
  49 {
  50 }
  51
  52 - (void)doIdle: (id)data;
  53 - (void)sendEvent: (NSEvent*)anEvent;
  54 - (BOOL)applicationShouldTerminateAfterLastWindowClosed:(NSApplication *)theApplication;
  55 @end // wxPoserNSApplication
  56
  57 WX_IMPLEMENT_POSER(wxPoserNSApplication);
  58
  59 @implementation wxPoserNSApplication : NSApplication
  60
  61 - (void)doIdle: (id)data
  62 {
  63     wxASSERT(wxTheApp);
  64     wxASSERT(wxMenuBarManager::GetInstance());
  65     wxMenuBarManager::GetInstance()->CocoaInternalIdle();
  66     wxLogDebug("doIdle called");
  67 #ifdef __WXDEBUG__
  68     if(wxTheApp->IsInAssert())
  69     {
  70         wxLogDebug("Idle events ignored durring assertion dialog");
  71     }
  72     else
  73 #endif
  74     {
  75         NSRunLoop *rl = [NSRunLoop currentRunLoop];
  76         // runMode: beforeDate returns YES if something was done
  77         while(wxTheApp->ProcessIdle()) // FIXME: AND NO EVENTS ARE PENDING
  78         {
  79             wxLogDebug("Looping for idle events");
  80             #if 1
  81             if( [rl runMode:[rl currentMode] beforeDate:[NSDate distantPast]])
  82             {
  83                 wxLogDebug("Found actual work to do");
  84                 break;
  85             }
  86             #endif
  87         }
  88     }
  89     wxLogDebug("Idle processing complete, requesting next idle event");
  90     // Add ourself back into the run loop (on next event) if necessary
  91     wxTheApp->CocoaRequestIdle();
  92 }
  93
  94 - (void)sendEvent: (NSEvent*)anEvent
  95 {
  96     wxLogDebug("SendEvent");
  97     wxTheApp->CocoaInstallRequestedIdleHandler();
  98     [super sendEvent: anEvent];
  99 }
 100
 101 - (BOOL)applicationShouldTerminateAfterLastWindowClosed:(NSApplication *)theApplication
 102 {
 103     BOOL ret = wxTheApp->GetExitOnFrameDelete();
 104     wxLogDebug("applicationShouldTermintaeAfterLastWindowClosed=%d",ret);
 105     return ret;
 106 }
 107
 108 @end // wxPoserNSApplication
 109
 110 // ========================================================================
 111 // wxApp
 112 // ========================================================================
 113
 114 // ----------------------------------------------------------------------------
 115 // wxApp Static member initialization
 116 // ----------------------------------------------------------------------------
 117 IMPLEMENT_DYNAMIC_CLASS(wxApp, wxEvtHandler)
 118 BEGIN_EVENT_TABLE(wxApp, wxEvtHandler)
 119     EVT_IDLE(wxAppBase::OnIdle)
 120 //    EVT_END_SESSION(wxApp::OnEndSession)
 121 //    EVT_QUERY_END_SESSION(wxApp::OnQueryEndSession)
 122 END_EVENT_TABLE()
 123
 124 // ----------------------------------------------------------------------------
 125 // wxApp initialization/cleanup
 126 // ----------------------------------------------------------------------------
 127 bool wxApp::Initialize(int& argc, wxChar **argv)
 128 {
 129     wxAutoNSAutoreleasePool pool;
 130     m_cocoaMainThread = [NSThread currentThread];
 131     // Mac OS X passes a process serial number command line argument when
 132     // the application is launched from the Finder. This argument must be
 133     // removed from the command line arguments before being handled by the
 134     // application (otherwise applications would need to handle it)
 135     if ( argc > 1 )
 136     {
 137         static const wxChar *ARG_PSN = _T("-psn_");
 138         if ( wxStrncmp(argv[1], ARG_PSN, sizeof(ARG_PSN) - 1) == 0 )
 139         {
 140             // remove this argument
 141             memmove(argv, argv + 1, argc--);
 142         }
 143     }
 144
 145     // Posing must be completed before any instances of the Objective-C
 146     // classes being posed as are created.
 147     wxPoseAsInitializer::InitializePosers();
 148
 149     return wxAppBase::Initialize(argc, argv);
 150 }
 151
 152 void wxApp::CleanUp()
 153 {
 154     wxDC::CocoaShutdownTextSystem();
 155     wxMenuBarManager::DestroyInstance();
 156
 157     wxAppBase::CleanUp();
 158 }
 159
 160 // ----------------------------------------------------------------------------
 161 // wxApp creation
 162 // ----------------------------------------------------------------------------
 163 wxApp::wxApp()
 164 {
 165     m_topWindow = NULL;
 166
 167     m_isIdle = true;
 168 #if WXWIN_COMPATIBILITY_2_2
 169     m_wantDebugOutput = TRUE;
 170 #endif
 171 #ifdef __WXDEBUG__
 172     m_isInAssert = FALSE;
 173 #endif // __WXDEBUG__
 174
 175     argc = 0;
 176     argv = NULL;
 177     m_cocoaApp = NULL;
 178 }
 179
 180 void wxApp::CocoaInstallIdleHandler()
 181 {
 182     // If we're not the main thread, don't install the idle handler
 183     if(m_cocoaMainThread != [NSThread currentThread])
 184     {
 185         wxLogDebug("Attempt to install idle handler from secondary thread");
 186         return;
 187     }
 188     // If we're supposed to be stopping, don't add more idle events
 189     if(![m_cocoaApp isRunning])
 190         return;
 191     wxLogDebug("wxApp::CocoaInstallIdleHandler");
 192     m_isIdle = false;
 193     // Call doIdle for EVERYTHING dammit
 194 // We'd need Foundation/NSConnection.h for this next constant, do we need it?
 195     [[ NSRunLoop currentRunLoop ] performSelector:@selector(doIdle:) target:m_cocoaApp argument:NULL order:0 modes:[NSArray arrayWithObjects:NSDefaultRunLoopMode, /* NSConnectionReplyRunLoopMode,*/ NSModalPanelRunLoopMode, /**/NSEventTrackingRunLoopMode,/**/ nil] ];
 196 }
 197
 198 bool wxApp::OnInitGui()
 199 {
 200     wxAutoNSAutoreleasePool pool;
 201     if(!wxAppBase::OnInitGui())
 202         return FALSE;
 203
 204     // Create the app using the sharedApplication method
 205     m_cocoaApp = [NSApplication sharedApplication];
 206
 207     wxMenuBarManager::CreateInstance();
 208
 209     wxDC::CocoaInitializeTextSystem();
 210 //    [ m_cocoaApp setDelegate:m_cocoaApp ];
 211     #if 0
 212     wxLogDebug("Just for kicks");
 213     [ m_cocoaApp performSelector:@selector(doIdle:) withObject:NULL ];
 214     wxLogDebug("okay.. done now");
 215     #endif
 216     return TRUE;
 217 }
 218
 219 bool wxApp::CallOnInit()
 220 {
 221 //    wxAutoNSAutoreleasePool pool;
 222     return OnInit();
 223 }
 224
 225 bool wxApp::OnInit()
 226 {
 227     if(!wxAppBase::OnInit())
 228         return FALSE;
 229
 230     return TRUE;
 231 }
 232
 233 bool wxApp::Initialized()
 234 {
 235   if (GetTopWindow())
 236     return TRUE;
 237   else
 238     return FALSE;
 239 }
 240
 241 void wxApp::Exit()
 242 {
 243     wxApp::CleanUp();
 244
 245     wxAppConsole::Exit();
 246 }
 247
 248 int wxApp::MainLoop()
 249 {
 250     [m_cocoaApp run];
 251     return 0;
 252 }
 253
 254 void wxApp::ExitMainLoop()
 255 {
 256     wxLogDebug("wxApp::ExitMailLoop m_isIdle=%d, isRunning=%d",(int)m_isIdle,(int)[m_cocoaApp isRunning]);
 257 //    CocoaInstallRequestedIdleHandler();
 258 //    if(m_isIdle)
 259 //        [[ NSRunLoop currentRunLoop ] performSelector:@selector(doIdle:) target:m_cocoaApp argument:NULL order:0 modes:[NSArray arrayWithObjects:NSDefaultRunLoopMode, /* NSConnectionReplyRunLoopMode, NSModalPanelRunLoopMode, NSEventTrackingRunLoopMode,*/ nil] ];
 260 // actually.. we WANT the idle event
 261 // or not
 262 #if 0
 263     if(!m_isIdle)
 264         [[ NSRunLoop currentRunLoop ] cancelPerformSelector:@selector(doIdle:) target:m_cocoaApp argument:NULL];
 265 #endif
 266     [m_cocoaApp stop: m_cocoaApp];
 267 }
 268
 269 // Is a message/event pending?
 270 bool wxApp::Pending()
 271 {
 272     return 0;
 273 }
 274
 275 // Dispatch a message.
 276 bool wxApp::Dispatch()
 277 {
 278     return true;
 279 }
 280
 281 // Yield to other processes
 282 bool wxApp::Yield(bool onlyIfNeeded)
 283 {
 284     // MT-FIXME
 285     static bool s_inYield = false;
 286
 287 #if wxUSE_LOG
 288     // disable log flushing from here because a call to wxYield() shouldn't
 289     // normally result in message boxes popping up &c
 290     wxLog::Suspend();
 291 #endif // wxUSE_LOG
 292
 293     if (s_inYield)
 294     {
 295         if ( !onlyIfNeeded )
 296         {
 297             wxFAIL_MSG( wxT("wxYield called recursively" ) );
 298         }
 299
 300         return false;
 301     }
 302
 303     s_inYield = true;
 304
 305     // Run the event loop until it is out of events
 306     while(NSEvent *event = [GetNSApplication()
 307                 nextEventMatchingMask:NSAnyEventMask
 308                 untilDate:[NSDate distantPast]
 309                 inMode:NSDefaultRunLoopMode
 310                 dequeue: YES])
 311     {
 312         [GetNSApplication() sendEvent: event];
 313     }
 314
 315 #if wxUSE_LOG
 316     // let the logs be flashed again
 317     wxLog::Resume();
 318 #endif // wxUSE_LOG
 319
 320     s_inYield = false;
 321
 322     return true;
 323 }
 324
 325 #ifdef __WXDEBUG__
 326 void wxApp::OnAssert(const wxChar *file, int line, const wxChar* cond, const wxChar *msg)
 327 {
 328     m_isInAssert = TRUE;
 329     wxAppBase::OnAssert(file, line, cond, msg);
 330     m_isInAssert = FALSE;
 331 }
 332 #endif // __WXDEBUG__
 333