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
  35 #if wxUSE_WX_RESOURCES
  36 #  include "wx/resource.h"
  37 #endif
  38
  39 #import <AppKit/NSApplication.h>
  40 #import <Foundation/NSRunLoop.h>
  41 #import <Foundation/NSArray.h>
  42 #import <Foundation/NSAutoreleasePool.h>
  43
  44 // ----------------------------------------------------------------------------
  45 // globals
  46 // ----------------------------------------------------------------------------
  47
  48 wxPoseAsInitializer *wxPoseAsInitializer::sm_first = NULL;
  49
  50 @interface wxPoserNSApplication : NSApplication
  51 {
  52 }
  53
  54 - (void)doIdle: (id)data;
  55 - (void)sendEvent: (NSEvent*)anEvent;
  56 - (BOOL)applicationShouldTerminateAfterLastWindowClosed:(NSApplication *)theApplication;
  57 @end // wxPoserNSApplication
  58
  59 @implementation wxPoserNSApplication : NSApplication
  60
  61 - (void)doIdle: (id)data
  62 {
  63     wxASSERT(wxTheApp);
  64     wxLogDebug("doIdle called");
  65     NSRunLoop *rl = [NSRunLoop currentRunLoop];
  66     // runMode: beforeDate returns YES if something was done
  67     while(wxTheApp->ProcessIdle()) // FIXME: AND NO EVENTS ARE PENDING
  68     {
  69         wxLogDebug("Looping for idle events");
  70         #if 1
  71         if( [rl runMode:[rl currentMode] beforeDate:[NSDate distantPast]])
  72         {
  73             wxLogDebug("Found actual work to do");
  74             break;
  75         }
  76         #endif
  77     }
  78     wxLogDebug("Idle processing complete, requesting next idle event");
  79     // Add ourself back into the run loop (on next event) if necessary
  80     wxTheApp->CocoaRequestIdle();
  81 }
  82
  83 - (void)sendEvent: (NSEvent*)anEvent
  84 {
  85     wxLogDebug("SendEvent");
  86     wxTheApp->CocoaInstallRequestedIdleHandler();
  87     [super sendEvent: anEvent];
  88 }
  89
  90 - (BOOL)applicationShouldTerminateAfterLastWindowClosed:(NSApplication *)theApplication
  91 {
  92     BOOL ret = wxTheApp->GetExitOnFrameDelete();
  93     wxLogDebug("applicationShouldTermintaeAfterLastWindowClosed=%d",ret);
  94     return ret;
  95 }
  96
  97 @end // wxPoserNSApplication
  98 WX_IMPLEMENT_POSER(wxPoserNSApplication);
  99
 100 class wxAutoNSAutoreleasePool
 101 {
 102 public:
 103     wxAutoNSAutoreleasePool()
 104     {
 105         m_pool = [[NSAutoreleasePool alloc] init];
 106     }
 107     ~wxAutoNSAutoreleasePool()
 108     {
 109         [m_pool release];
 110     }
 111 protected:
 112     NSAutoreleasePool *m_pool;
 113 };
 114
 115 // ============================================================================
 116 // functions
 117 // ============================================================================
 118
 119 void wxApp::Exit()
 120 {
 121     wxApp::CleanUp();
 122
 123     wxAppConsole::Exit();
 124 }
 125
 126 // ============================================================================
 127 // wxApp implementation
 128 // ============================================================================
 129
 130 // ----------------------------------------------------------------------------
 131 // wxApp Static member initialization
 132 // ----------------------------------------------------------------------------
 133
 134 #if !USE_SHARED_LIBRARY
 135 IMPLEMENT_DYNAMIC_CLASS(wxApp, wxEvtHandler)
 136 BEGIN_EVENT_TABLE(wxApp, wxEvtHandler)
 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     // Mac OS X passes a process serial number command line argument when
 150     // the application is launched from the Finder. This argument must be
 151     // removed from the command line arguments before being handled by the
 152     // application (otherwise applications would need to handle it)
 153     if ( argc > 1 )
 154     {
 155         static const wxChar *ARG_PSN = _T("-psn_");
 156         if ( wxStrncmp(argv[1], ARG_PSN, sizeof(ARG_PSN) - 1) == 0 )
 157         {
 158             // remove this argument
 159             memmove(argv, argv + 1, argc--);
 160         }
 161     }
 162
 163     // Posing must be completed before any instances of the Objective-C
 164     // classes being posed as are created.
 165     wxPoseAsInitializer::InitializePosers();
 166
 167     return wxAppBase::Initialize(argc, argv);
 168 }
 169
 170 void wxApp::CleanUp()
 171 {
 172     wxDC::CocoaShutdownTextSystem();
 173
 174     wxAppBase::CleanUp();
 175 }
 176
 177 // ----------------------------------------------------------------------------
 178 // wxApp creation
 179 // ----------------------------------------------------------------------------
 180
 181 wxApp::wxApp()
 182 {
 183     m_topWindow = NULL;
 184     wxTheApp = this;
 185
 186     m_isIdle = true;
 187 #if WXWIN_COMPATIBILITY_2_2
 188     m_wantDebugOutput = TRUE;
 189 #endif
 190
 191     argc = 0;
 192     argv = NULL;
 193     m_cocoaApp = NULL;
 194 }
 195
 196 void wxApp::CocoaInstallIdleHandler()
 197 {
 198     // If we're supposed to be stopping, don't add more idle events
 199     if(![m_cocoaApp isRunning])
 200         return;
 201     wxLogDebug("wxApp::CocoaInstallIdleHandler");
 202     m_isIdle = false;
 203     // Call doIdle for EVERYTHING dammit
 204 // We'd need Foundation/NSConnection.h for this next constant, do we need it?
 205     [[ NSRunLoop currentRunLoop ] performSelector:@selector(doIdle:) target:m_cocoaApp argument:NULL order:0 modes:[NSArray arrayWithObjects:NSDefaultRunLoopMode, /* NSConnectionReplyRunLoopMode,*/ NSModalPanelRunLoopMode, /**/NSEventTrackingRunLoopMode,/**/ nil] ];
 206 }
 207
 208 bool wxApp::OnInitGui()
 209 {
 210     wxAutoNSAutoreleasePool pool;
 211     if(!wxAppBase::OnInitGui())
 212         return FALSE;
 213
 214     // Create the app using the sharedApplication method
 215     m_cocoaApp = [NSApplication sharedApplication];
 216     wxDC::CocoaInitializeTextSystem();
 217 //    [ m_cocoaApp setDelegate:m_cocoaApp ];
 218     #if 0
 219     wxLogDebug("Just for kicks");
 220     [ m_cocoaApp performSelector:@selector(doIdle:) withObject:NULL ];
 221     wxLogDebug("okay.. done now");
 222     #endif
 223     return TRUE;
 224 }
 225
 226 bool wxApp::CallOnInit()
 227 {
 228     wxAutoNSAutoreleasePool pool;
 229     return OnInit();
 230 }
 231
 232 bool wxApp::OnInit()
 233 {
 234     if(!wxAppBase::OnInit())
 235         return FALSE;
 236
 237     return TRUE;
 238 }
 239
 240 bool wxApp::Initialized()
 241 {
 242   if (GetTopWindow())
 243     return TRUE;
 244   else
 245     return FALSE;
 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 void wxApp::Dispatch()
 277 {
 278 }
 279
 280 // Yield to other processes
 281
 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     wxLogDebug("WARNING: SUPPOSED to have yielded!");
 306     // FIXME: Do something!
 307
 308 #if wxUSE_LOG
 309     // let the logs be flashed again
 310     wxLog::Resume();
 311 #endif // wxUSE_LOG
 312
 313     s_inYield = false;
 314
 315     return true;
 316 }
 317