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 #import <Foundation/NSThread.h>
  45
  46 // ----------------------------------------------------------------------------
  47 // globals
  48 // ----------------------------------------------------------------------------
  49
  50 wxPoseAsInitializer *wxPoseAsInitializer::sm_first = NULL;
  51
  52 @interface wxPoserNSApplication : NSApplication
  53 {
  54 }
  55
  56 - (void)doIdle: (id)data;
  57 - (void)sendEvent: (NSEvent*)anEvent;
  58 - (BOOL)applicationShouldTerminateAfterLastWindowClosed:(NSApplication *)theApplication;
  59 @end // wxPoserNSApplication
  60
  61 @implementation wxPoserNSApplication : NSApplication
  62
  63 - (void)doIdle: (id)data
  64 {
  65     wxASSERT(wxTheApp);
  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 WX_IMPLEMENT_POSER(wxPoserNSApplication);
 110
 111 // ============================================================================
 112 // functions
 113 // ============================================================================
 114
 115 void wxApp::Exit()
 116 {
 117     wxApp::CleanUp();
 118
 119     wxAppConsole::Exit();
 120 }
 121
 122 // ============================================================================
 123 // wxApp implementation
 124 // ============================================================================
 125
 126 // ----------------------------------------------------------------------------
 127 // wxApp Static member initialization
 128 // ----------------------------------------------------------------------------
 129
 130 #if !USE_SHARED_LIBRARY
 131 IMPLEMENT_DYNAMIC_CLASS(wxApp, wxEvtHandler)
 132 BEGIN_EVENT_TABLE(wxApp, wxEvtHandler)
 133     EVT_IDLE(wxAppBase::OnIdle)
 134 //    EVT_END_SESSION(wxApp::OnEndSession)
 135 //    EVT_QUERY_END_SESSION(wxApp::OnQueryEndSession)
 136 END_EVENT_TABLE()
 137 #endif
 138
 139 // ----------------------------------------------------------------------------
 140 // wxApp initialization/cleanup
 141 // ----------------------------------------------------------------------------
 142
 143 bool wxApp::Initialize(int& argc, wxChar **argv)
 144 {
 145     wxAutoNSAutoreleasePool pool;
 146     m_cocoaMainThread = [NSThread currentThread];
 147     // Mac OS X passes a process serial number command line argument when
 148     // the application is launched from the Finder. This argument must be
 149     // removed from the command line arguments before being handled by the
 150     // application (otherwise applications would need to handle it)
 151     if ( argc > 1 )
 152     {
 153         static const wxChar *ARG_PSN = _T("-psn_");
 154         if ( wxStrncmp(argv[1], ARG_PSN, sizeof(ARG_PSN) - 1) == 0 )
 155         {
 156             // remove this argument
 157             memmove(argv, argv + 1, argc--);
 158         }
 159     }
 160
 161     // Posing must be completed before any instances of the Objective-C
 162     // classes being posed as are created.
 163     wxPoseAsInitializer::InitializePosers();
 164
 165     return wxAppBase::Initialize(argc, argv);
 166 }
 167
 168 void wxApp::CleanUp()
 169 {
 170     wxDC::CocoaShutdownTextSystem();
 171
 172     wxAppBase::CleanUp();
 173 }
 174
 175 // ----------------------------------------------------------------------------
 176 // wxApp creation
 177 // ----------------------------------------------------------------------------
 178
 179 wxApp::wxApp()
 180 {
 181     m_topWindow = NULL;
 182
 183     m_isIdle = true;
 184 #if WXWIN_COMPATIBILITY_2_2
 185     m_wantDebugOutput = TRUE;
 186 #endif
 187 #ifdef __WXDEBUG__
 188     m_isInAssert = FALSE;
 189 #endif // __WXDEBUG__
 190
 191
 192     argc = 0;
 193     argv = NULL;
 194     m_cocoaApp = NULL;
 195 }
 196
 197 void wxApp::CocoaInstallIdleHandler()
 198 {
 199     // If we're not the main thread, don't install the idle handler
 200     if(m_cocoaMainThread != [NSThread currentThread])
 201     {
 202         wxLogDebug("Attempt to install idle handler from secondary thread");
 203         return;
 204     }
 205     // If we're supposed to be stopping, don't add more idle events
 206     if(![m_cocoaApp isRunning])
 207         return;
 208     wxLogDebug("wxApp::CocoaInstallIdleHandler");
 209     m_isIdle = false;
 210     // Call doIdle for EVERYTHING dammit
 211 // We'd need Foundation/NSConnection.h for this next constant, do we need it?
 212     [[ NSRunLoop currentRunLoop ] performSelector:@selector(doIdle:) target:m_cocoaApp argument:NULL order:0 modes:[NSArray arrayWithObjects:NSDefaultRunLoopMode, /* NSConnectionReplyRunLoopMode,*/ NSModalPanelRunLoopMode, /**/NSEventTrackingRunLoopMode,/**/ nil] ];
 213 }
 214
 215 bool wxApp::OnInitGui()
 216 {
 217     wxAutoNSAutoreleasePool pool;
 218     if(!wxAppBase::OnInitGui())
 219         return FALSE;
 220
 221     // Create the app using the sharedApplication method
 222     m_cocoaApp = [NSApplication sharedApplication];
 223     wxDC::CocoaInitializeTextSystem();
 224 //    [ m_cocoaApp setDelegate:m_cocoaApp ];
 225     #if 0
 226     wxLogDebug("Just for kicks");
 227     [ m_cocoaApp performSelector:@selector(doIdle:) withObject:NULL ];
 228     wxLogDebug("okay.. done now");
 229     #endif
 230     return TRUE;
 231 }
 232
 233 bool wxApp::CallOnInit()
 234 {
 235 //    wxAutoNSAutoreleasePool pool;
 236     return OnInit();
 237 }
 238
 239 bool wxApp::OnInit()
 240 {
 241     if(!wxAppBase::OnInit())
 242         return FALSE;
 243
 244     return TRUE;
 245 }
 246
 247 bool wxApp::Initialized()
 248 {
 249   if (GetTopWindow())
 250     return TRUE;
 251   else
 252     return FALSE;
 253 }
 254
 255 int wxApp::MainLoop()
 256 {
 257     [m_cocoaApp run];
 258     return 0;
 259 }
 260
 261 void wxApp::ExitMainLoop()
 262 {
 263     wxLogDebug("wxApp::ExitMailLoop m_isIdle=%d, isRunning=%d",(int)m_isIdle,(int)[m_cocoaApp isRunning]);
 264 //    CocoaInstallRequestedIdleHandler();
 265 //    if(m_isIdle)
 266 //        [[ NSRunLoop currentRunLoop ] performSelector:@selector(doIdle:) target:m_cocoaApp argument:NULL order:0 modes:[NSArray arrayWithObjects:NSDefaultRunLoopMode, /* NSConnectionReplyRunLoopMode, NSModalPanelRunLoopMode, NSEventTrackingRunLoopMode,*/ nil] ];
 267 // actually.. we WANT the idle event
 268 // or not
 269 #if 0
 270     if(!m_isIdle)
 271         [[ NSRunLoop currentRunLoop ] cancelPerformSelector:@selector(doIdle:) target:m_cocoaApp argument:NULL];
 272 #endif
 273     [m_cocoaApp stop: m_cocoaApp];
 274 }
 275
 276 // Is a message/event pending?
 277 bool wxApp::Pending()
 278 {
 279     return 0;
 280 }
 281
 282 // Dispatch a message.
 283 void wxApp::Dispatch()
 284 {
 285 }
 286
 287 // Yield to other processes
 288
 289 bool wxApp::Yield(bool onlyIfNeeded)
 290 {
 291     // MT-FIXME
 292     static bool s_inYield = false;
 293
 294 #if wxUSE_LOG
 295     // disable log flushing from here because a call to wxYield() shouldn't
 296     // normally result in message boxes popping up &c
 297     wxLog::Suspend();
 298 #endif // wxUSE_LOG
 299
 300     if (s_inYield)
 301     {
 302         if ( !onlyIfNeeded )
 303         {
 304             wxFAIL_MSG( wxT("wxYield called recursively" ) );
 305         }
 306
 307         return false;
 308     }
 309
 310     s_inYield = true;
 311
 312     wxLogDebug("WARNING: SUPPOSED to have yielded!");
 313     // FIXME: Do something!
 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