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 #include "wx/cocoa/mbarman.h"
  36
  37 #if wxUSE_WX_RESOURCES
  38 #  include "wx/resource.h"
  39 #endif
  40
  41 #import <AppKit/NSApplication.h>
  42 #import <Foundation/NSRunLoop.h>
  43 #import <Foundation/NSArray.h>
  44 #import <Foundation/NSAutoreleasePool.h>
  45 #import <Foundation/NSThread.h>
  46
  47 // ----------------------------------------------------------------------------
  48 // globals
  49 // ----------------------------------------------------------------------------
  50
  51 wxPoseAsInitializer *wxPoseAsInitializer::sm_first = NULL;
  52
  53 @interface wxPoserNSApplication : NSApplication
  54 {
  55 }
  56
  57 - (void)doIdle: (id)data;
  58 - (void)sendEvent: (NSEvent*)anEvent;
  59 - (BOOL)applicationShouldTerminateAfterLastWindowClosed:(NSApplication *)theApplication;
  60 @end // wxPoserNSApplication
  61
  62 @implementation wxPoserNSApplication : NSApplication
  63
  64 - (void)doIdle: (id)data
  65 {
  66     wxASSERT(wxTheApp);
  67     wxASSERT(wxMenuBarManager::GetInstance());
  68     wxMenuBarManager::GetInstance()->CocoaInternalIdle();
  69     wxLogDebug("doIdle called");
  70 #ifdef __WXDEBUG__
  71     if(wxTheApp->IsInAssert())
  72     {
  73         wxLogDebug("Idle events ignored durring assertion dialog");
  74     }
  75     else
  76 #endif
  77     {
  78         NSRunLoop *rl = [NSRunLoop currentRunLoop];
  79         // runMode: beforeDate returns YES if something was done
  80         while(wxTheApp->ProcessIdle()) // FIXME: AND NO EVENTS ARE PENDING
  81         {
  82             wxLogDebug("Looping for idle events");
  83             #if 1
  84             if( [rl runMode:[rl currentMode] beforeDate:[NSDate distantPast]])
  85             {
  86                 wxLogDebug("Found actual work to do");
  87                 break;
  88             }
  89             #endif
  90         }
  91     }
  92     wxLogDebug("Idle processing complete, requesting next idle event");
  93     // Add ourself back into the run loop (on next event) if necessary
  94     wxTheApp->CocoaRequestIdle();
  95 }
  96
  97 - (void)sendEvent: (NSEvent*)anEvent
  98 {
  99     wxLogDebug("SendEvent");
 100     wxTheApp->CocoaInstallRequestedIdleHandler();
 101     [super sendEvent: anEvent];
 102 }
 103
 104 - (BOOL)applicationShouldTerminateAfterLastWindowClosed:(NSApplication *)theApplication
 105 {
 106     BOOL ret = wxTheApp->GetExitOnFrameDelete();
 107     wxLogDebug("applicationShouldTermintaeAfterLastWindowClosed=%d",ret);
 108     return ret;
 109 }
 110
 111 @end // wxPoserNSApplication
 112 WX_IMPLEMENT_POSER(wxPoserNSApplication);
 113
 114 // ============================================================================
 115 // functions
 116 // ============================================================================
 117
 118 void wxApp::Exit()
 119 {
 120     wxApp::CleanUp();
 121
 122     wxAppConsole::Exit();
 123 }
 124
 125 // ============================================================================
 126 // wxApp implementation
 127 // ============================================================================
 128
 129 // ----------------------------------------------------------------------------
 130 // wxApp Static member initialization
 131 // ----------------------------------------------------------------------------
 132
 133 #if !USE_SHARED_LIBRARY
 134 IMPLEMENT_DYNAMIC_CLASS(wxApp, wxEvtHandler)
 135 BEGIN_EVENT_TABLE(wxApp, wxEvtHandler)
 136     EVT_IDLE(wxAppBase::OnIdle)
 137 //    EVT_END_SESSION(wxApp::OnEndSession)
 138 //    EVT_QUERY_END_SESSION(wxApp::OnQueryEndSession)
 139 END_EVENT_TABLE()
 140 #endif
 141
 142 // ----------------------------------------------------------------------------
 143 // wxApp initialization/cleanup
 144 // ----------------------------------------------------------------------------
 145
 146 bool wxApp::Initialize(int& argc, wxChar **argv)
 147 {
 148     wxAutoNSAutoreleasePool pool;
 149     m_cocoaMainThread = [NSThread currentThread];
 150     // Mac OS X passes a process serial number command line argument when
 151     // the application is launched from the Finder. This argument must be
 152     // removed from the command line arguments before being handled by the
 153     // application (otherwise applications would need to handle it)
 154     if ( argc > 1 )
 155     {
 156         static const wxChar *ARG_PSN = _T("-psn_");
 157         if ( wxStrncmp(argv[1], ARG_PSN, sizeof(ARG_PSN) - 1) == 0 )
 158         {
 159             // remove this argument
 160             memmove(argv, argv + 1, argc--);
 161         }
 162     }
 163
 164     // Posing must be completed before any instances of the Objective-C
 165     // classes being posed as are created.
 166     wxPoseAsInitializer::InitializePosers();
 167
 168     return wxAppBase::Initialize(argc, argv);
 169 }
 170
 171 void wxApp::CleanUp()
 172 {
 173     wxDC::CocoaShutdownTextSystem();
 174     wxMenuBarManager::DestroyInstance();
 175
 176     wxAppBase::CleanUp();
 177 }
 178
 179 // ----------------------------------------------------------------------------
 180 // wxApp creation
 181 // ----------------------------------------------------------------------------
 182
 183 wxApp::wxApp()
 184 {
 185     m_topWindow = NULL;
 186
 187     m_isIdle = true;
 188 #if WXWIN_COMPATIBILITY_2_2
 189     m_wantDebugOutput = TRUE;
 190 #endif
 191 #ifdef __WXDEBUG__
 192     m_isInAssert = FALSE;
 193 #endif // __WXDEBUG__
 194
 195
 196     argc = 0;
 197     argv = NULL;
 198     m_cocoaApp = NULL;
 199 }
 200
 201 void wxApp::CocoaInstallIdleHandler()
 202 {
 203     // If we're not the main thread, don't install the idle handler
 204     if(m_cocoaMainThread != [NSThread currentThread])
 205     {
 206         wxLogDebug("Attempt to install idle handler from secondary thread");
 207         return;
 208     }
 209     // If we're supposed to be stopping, don't add more idle events
 210     if(![m_cocoaApp isRunning])
 211         return;
 212     wxLogDebug("wxApp::CocoaInstallIdleHandler");
 213     m_isIdle = false;
 214     // Call doIdle for EVERYTHING dammit
 215 // We'd need Foundation/NSConnection.h for this next constant, do we need it?
 216     [[ NSRunLoop currentRunLoop ] performSelector:@selector(doIdle:) target:m_cocoaApp argument:NULL order:0 modes:[NSArray arrayWithObjects:NSDefaultRunLoopMode, /* NSConnectionReplyRunLoopMode,*/ NSModalPanelRunLoopMode, /**/NSEventTrackingRunLoopMode,/**/ nil] ];
 217 }
 218
 219 bool wxApp::OnInitGui()
 220 {
 221     wxAutoNSAutoreleasePool pool;
 222     if(!wxAppBase::OnInitGui())
 223         return FALSE;
 224
 225     // Create the app using the sharedApplication method
 226     m_cocoaApp = [NSApplication sharedApplication];
 227
 228     wxMenuBarManager::CreateInstance();
 229
 230     wxDC::CocoaInitializeTextSystem();
 231 //    [ m_cocoaApp setDelegate:m_cocoaApp ];
 232     #if 0
 233     wxLogDebug("Just for kicks");
 234     [ m_cocoaApp performSelector:@selector(doIdle:) withObject:NULL ];
 235     wxLogDebug("okay.. done now");
 236     #endif
 237     return TRUE;
 238 }
 239
 240 bool wxApp::CallOnInit()
 241 {
 242 //    wxAutoNSAutoreleasePool pool;
 243     return OnInit();
 244 }
 245
 246 bool wxApp::OnInit()
 247 {
 248     if(!wxAppBase::OnInit())
 249         return FALSE;
 250
 251     return TRUE;
 252 }
 253
 254 bool wxApp::Initialized()
 255 {
 256   if (GetTopWindow())
 257     return TRUE;
 258   else
 259     return FALSE;
 260 }
 261
 262 int wxApp::MainLoop()
 263 {
 264     [m_cocoaApp run];
 265     return 0;
 266 }
 267
 268 void wxApp::ExitMainLoop()
 269 {
 270     wxLogDebug("wxApp::ExitMailLoop m_isIdle=%d, isRunning=%d",(int)m_isIdle,(int)[m_cocoaApp isRunning]);
 271 //    CocoaInstallRequestedIdleHandler();
 272 //    if(m_isIdle)
 273 //        [[ NSRunLoop currentRunLoop ] performSelector:@selector(doIdle:) target:m_cocoaApp argument:NULL order:0 modes:[NSArray arrayWithObjects:NSDefaultRunLoopMode, /* NSConnectionReplyRunLoopMode, NSModalPanelRunLoopMode, NSEventTrackingRunLoopMode,*/ nil] ];
 274 // actually.. we WANT the idle event
 275 // or not
 276 #if 0
 277     if(!m_isIdle)
 278         [[ NSRunLoop currentRunLoop ] cancelPerformSelector:@selector(doIdle:) target:m_cocoaApp argument:NULL];
 279 #endif
 280     [m_cocoaApp stop: m_cocoaApp];
 281 }
 282
 283 // Is a message/event pending?
 284 bool wxApp::Pending()
 285 {
 286     return 0;
 287 }
 288
 289 // Dispatch a message.
 290 void wxApp::Dispatch()
 291 {
 292 }
 293
 294 // Yield to other processes
 295
 296 bool wxApp::Yield(bool onlyIfNeeded)
 297 {
 298     // MT-FIXME
 299     static bool s_inYield = false;
 300
 301 #if wxUSE_LOG
 302     // disable log flushing from here because a call to wxYield() shouldn't
 303     // normally result in message boxes popping up &c
 304     wxLog::Suspend();
 305 #endif // wxUSE_LOG
 306
 307     if (s_inYield)
 308     {
 309         if ( !onlyIfNeeded )
 310         {
 311             wxFAIL_MSG( wxT("wxYield called recursively" ) );
 312         }
 313
 314         return false;
 315     }
 316
 317     s_inYield = true;
 318
 319     wxLogDebug("WARNING: SUPPOSED to have yielded!");
 320     // FIXME: Do something!
 321
 322 #if wxUSE_LOG
 323     // let the logs be flashed again
 324     wxLog::Resume();
 325 #endif // wxUSE_LOG
 326
 327     s_inYield = false;
 328
 329     return true;
 330 }
 331
 332 #ifdef __WXDEBUG__
 333 void wxApp::OnAssert(const wxChar *file, int line, const wxChar* cond, const wxChar *msg)
 334 {
 335     m_isInAssert = TRUE;
 336     wxAppBase::OnAssert(file, line, cond, msg);
 337     m_isInAssert = FALSE;
 338 }
 339 #endif // __WXDEBUG__
 340