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