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