src/mac/toplevel.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        mac/toplevel.cpp
   3 // Purpose:     implements wxTopLevelWindow for MSW
   4 // Author:      Vadim Zeitlin
   5 // Modified by:
   6 // Created:     24.09.01
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) 2001 SciTech Software, Inc. (www.scitechsoft.com)
   9 // License:     wxWindows licence
  10 ///////////////////////////////////////////////////////////////////////////////
  11
  12 // ============================================================================
  13 // declarations
  14 // ============================================================================
  15
  16 // ----------------------------------------------------------------------------
  17 // headers
  18 // ----------------------------------------------------------------------------
  19
  20 #ifdef __GNUG__
  21     #pragma implementation "toplevel.h"
  22 #endif
  23
  24 // For compilers that support precompilation, includes "wx.h".
  25 #include "wx/wxprec.h"
  26
  27 #ifdef __BORLANDC__
  28     #pragma hdrstop
  29 #endif
  30
  31 #ifndef WX_PRECOMP
  32     #include "wx/app.h"
  33     #include "wx/toplevel.h"
  34     #include "wx/frame.h"
  35     #include "wx/string.h"
  36     #include "wx/log.h"
  37     #include "wx/intl.h"
  38 #endif //WX_PRECOMP
  39
  40 #include "wx/mac/uma.h"
  41 #include "wx/mac/aga.h"
  42 #include "wx/app.h"
  43 #include "wx/tooltip.h"
  44 #include "wx/dnd.h"
  45 #if wxUSE_SYSTEM_OPTIONS
  46     #include "wx/sysopt.h"
  47 #endif
  48
  49 #include "ToolUtils.h"
  50
  51
  52 #define wxMAC_DEBUG_REDRAW 0
  53 #ifndef wxMAC_DEBUG_REDRAW
  54 #define wxMAC_DEBUG_REDRAW 0
  55 #endif
  56
  57 // ----------------------------------------------------------------------------
  58 // globals
  59 // ----------------------------------------------------------------------------
  60
  61 // list of all frames and modeless dialogs
  62 wxWindowList       wxModelessWindows;
  63
  64 // double click testing
  65 static   Point     gs_lastWhere;
  66 static   long      gs_lastWhen = 0;
  67
  68
  69 #if TARGET_CARBON
  70 static pascal long wxShapedMacWindowDef(short varCode, WindowRef window, SInt16 message, SInt32 param);
  71 #endif
  72
  73 // ============================================================================
  74 // wxTopLevelWindowMac implementation
  75 // ============================================================================
  76
  77 // ---------------------------------------------------------------------------
  78 // Carbon Events
  79 // ---------------------------------------------------------------------------
  80
  81 #if TARGET_CARBON
  82
  83 extern long wxMacTranslateKey(unsigned char key, unsigned char code) ;
  84
  85 static const EventTypeSpec eventList[] =
  86 {
  87     { kEventClassTextInput, kEventTextInputUnicodeForKeyEvent } ,
  88
  89     { kEventClassKeyboard, kEventRawKeyDown } ,
  90     { kEventClassKeyboard, kEventRawKeyRepeat } ,
  91     { kEventClassKeyboard, kEventRawKeyUp } ,
  92     { kEventClassKeyboard, kEventRawKeyModifiersChanged } ,
  93
  94     { kEventClassWindow , kEventWindowUpdate } ,
  95     { kEventClassWindow , kEventWindowActivated } ,
  96     { kEventClassWindow , kEventWindowDeactivated } ,
  97     { kEventClassWindow , kEventWindowBoundsChanging } ,
  98     { kEventClassWindow , kEventWindowBoundsChanged } ,
  99     { kEventClassWindow , kEventWindowClose } ,
 100
 101     { kEventClassMouse , kEventMouseDown } ,
 102     { kEventClassMouse , kEventMouseUp } ,
 103     { kEventClassMouse , kEventMouseWheelMoved } ,
 104     { kEventClassMouse , kEventMouseMoved } ,
 105     { kEventClassMouse , kEventMouseDragged } ,
 106
 107 } ;
 108
 109 static pascal OSStatus TextInputEventHandler( EventHandlerCallRef handler , EventRef event , void *data )
 110 {
 111     OSStatus result = eventNotHandledErr ;
 112
 113     wxWindow* focus = wxWindow::FindFocus() ;
 114     char charCode ;
 115     UInt32 keyCode ;
 116     UInt32 modifiers ;
 117     Point point ;
 118
 119     EventRef rawEvent ;
 120
 121     GetEventParameter( event , kEventParamTextInputSendKeyboardEvent ,typeEventRef,NULL,sizeof(rawEvent),NULL,&rawEvent ) ;
 122
 123     GetEventParameter( rawEvent, kEventParamKeyMacCharCodes, typeChar, NULL,sizeof(char), NULL,&charCode );
 124     GetEventParameter( rawEvent, kEventParamKeyCode, typeUInt32, NULL,  sizeof(UInt32), NULL, &keyCode );
 125        GetEventParameter( rawEvent, kEventParamKeyModifiers, typeUInt32, NULL, sizeof(UInt32), NULL, &modifiers);
 126     GetEventParameter( rawEvent, kEventParamMouseLocation, typeQDPoint, NULL,
 127         sizeof( Point ), NULL, &point );
 128
 129     switch ( GetEventKind( event ) )
 130     {
 131         case kEventTextInputUnicodeForKeyEvent :
 132             // this is only called when no default handler has jumped in, eg a wxControl on a floater window does not
 133             // get its own kEventTextInputUnicodeForKeyEvent, so we route back the
 134             wxControl* control = wxDynamicCast( focus , wxControl ) ;
 135             if ( control )
 136             {
 137                 ControlHandle macControl = (ControlHandle) control->GetMacControl() ;
 138                 if ( macControl )
 139                 {
 140                     ::HandleControlKey( macControl , keyCode , charCode , modifiers ) ;
 141                     result = noErr ;
 142                 }
 143             }
 144             /*
 145             // this may lead to double events sent to a window in case all handlers have skipped the key down event
 146             UInt32 when = EventTimeToTicks( GetEventTime( event ) ) ;
 147             UInt32 message = (keyCode << 8) + charCode;
 148
 149             if ( (focus != NULL) && wxTheApp->MacSendKeyDownEvent(
 150                 focus , message , modifiers , when , point.h , point.v ) )
 151             {
 152                 result = noErr ;
 153             }
 154             */
 155             break ;
 156     }
 157
 158     return result ;
 159 }
 160
 161 static pascal OSStatus KeyboardEventHandler( EventHandlerCallRef handler , EventRef event , void *data )
 162 {
 163     OSStatus result = eventNotHandledErr ;
 164
 165     wxWindow* focus = wxWindow::FindFocus() ;
 166     char charCode ;
 167     UInt32 keyCode ;
 168     UInt32 modifiers ;
 169     Point point ;
 170     UInt32 when = EventTimeToTicks( GetEventTime( event ) ) ;
 171
 172     GetEventParameter( event, kEventParamKeyMacCharCodes, typeChar, NULL,sizeof(char), NULL,&charCode );
 173     GetEventParameter( event, kEventParamKeyCode, typeUInt32, NULL,  sizeof(UInt32), NULL, &keyCode );
 174        GetEventParameter(event, kEventParamKeyModifiers, typeUInt32, NULL, sizeof(UInt32), NULL, &modifiers);
 175     GetEventParameter( event, kEventParamMouseLocation, typeQDPoint, NULL,
 176         sizeof( Point ), NULL, &point );
 177
 178     UInt32 message = (keyCode << 8) + charCode;
 179     switch( GetEventKind( event ) )
 180     {
 181         case kEventRawKeyRepeat :
 182         case kEventRawKeyDown :
 183             {
 184                 WXEVENTREF formerEvent = wxTheApp->MacGetCurrentEvent() ;
 185                 WXEVENTHANDLERCALLREF formerHandler = wxTheApp->MacGetCurrentEventHandlerCallRef() ;
 186                 wxTheApp->MacSetCurrentEvent( event , handler ) ;
 187                 if ( (focus != NULL) && wxTheApp->MacSendKeyDownEvent(
 188                     focus , message , modifiers , when , point.h , point.v ) )
 189                 {
 190                     result = noErr ;
 191                 }
 192                 wxTheApp->MacSetCurrentEvent( formerEvent , formerHandler ) ;
 193             }
 194             break ;
 195         case kEventRawKeyUp :
 196             if ( (focus != NULL) && wxTheApp->MacSendKeyUpEvent(
 197                 focus , message , modifiers , when , point.h , point.v ) )
 198             {
 199                 result = noErr ;
 200             }
 201             break ;
 202         case kEventRawKeyModifiersChanged :
 203             {
 204                 wxKeyEvent event(wxEVT_KEY_DOWN);
 205
 206                 event.m_shiftDown = modifiers & shiftKey;
 207                 event.m_controlDown = modifiers & controlKey;
 208                 event.m_altDown = modifiers & optionKey;
 209                 event.m_metaDown = modifiers & cmdKey;
 210
 211                 event.m_x = point.h;
 212                 event.m_y = point.v;
 213                 event.m_timeStamp = when;
 214                 wxWindow* focus = wxWindow::FindFocus() ;
 215                 event.SetEventObject(focus);
 216
 217                 if ( focus && (modifiers ^ wxTheApp->s_lastModifiers ) & controlKey )
 218                 {
 219                     event.m_keyCode = WXK_CONTROL ;
 220                     event.SetEventType( ( modifiers & controlKey ) ? wxEVT_KEY_DOWN : wxEVT_KEY_UP ) ;
 221                     focus->GetEventHandler()->ProcessEvent( event ) ;
 222                 }
 223                 if ( focus && (modifiers ^ wxTheApp->s_lastModifiers ) & shiftKey )
 224                 {
 225                     event.m_keyCode = WXK_SHIFT ;
 226                     event.SetEventType( ( modifiers & shiftKey ) ? wxEVT_KEY_DOWN : wxEVT_KEY_UP ) ;
 227                     focus->GetEventHandler()->ProcessEvent( event ) ;
 228                 }
 229                 if ( focus && (modifiers ^ wxTheApp->s_lastModifiers ) & optionKey )
 230                 {
 231                     event.m_keyCode = WXK_ALT ;
 232                     event.SetEventType( ( modifiers & optionKey ) ? wxEVT_KEY_DOWN : wxEVT_KEY_UP ) ;
 233                     focus->GetEventHandler()->ProcessEvent( event ) ;
 234                 }
 235                 if ( focus && (modifiers ^ wxTheApp->s_lastModifiers ) & cmdKey )
 236                 {
 237                     event.m_keyCode = WXK_COMMAND ;
 238                     event.SetEventType( ( modifiers & cmdKey ) ? wxEVT_KEY_DOWN : wxEVT_KEY_UP ) ;
 239                     focus->GetEventHandler()->ProcessEvent( event ) ;
 240                 }
 241                 wxTheApp->s_lastModifiers = modifiers ;
 242             }
 243              break ;
 244     }
 245
 246     return result ;
 247 }
 248
 249 pascal OSStatus MouseEventHandler( EventHandlerCallRef handler , EventRef event , void *data )
 250 {
 251     OSStatus result = eventNotHandledErr ;
 252
 253     wxTopLevelWindowMac* toplevelWindow = (wxTopLevelWindowMac*) data ;
 254     Point point ;
 255     UInt32 modifiers = 0;
 256     EventMouseButton button = 0 ;
 257     UInt32 click = 0 ;
 258
 259     GetEventParameter( event, kEventParamMouseLocation, typeQDPoint, NULL,
 260         sizeof( Point ), NULL, &point );
 261     GetEventParameter( event, kEventParamKeyModifiers, typeUInt32, NULL,
 262         sizeof( UInt32 ), NULL, &modifiers );
 263     GetEventParameter( event, kEventParamMouseButton, typeMouseButton, NULL,
 264         sizeof( EventMouseButton ), NULL, &button );
 265     GetEventParameter( event, kEventParamClickCount, typeUInt32, NULL,
 266         sizeof( UInt32 ), NULL, &click );
 267
 268     if ( button == 0 || GetEventKind( event ) == kEventMouseUp )
 269         modifiers += btnState ;
 270
 271         // temporary hack to support true two button mouse
 272         if ( button == kEventMouseButtonSecondary )
 273         {
 274                 modifiers |= controlKey ;
 275         }
 276     WindowRef window ;
 277     short windowPart = ::FindWindow(point, &window);
 278
 279     // either we really are active or we are capturing mouse events
 280
 281     if ( (IsWindowActive(window) && windowPart == inContent) ||
 282         (wxTheApp->s_captureWindow && wxTheApp->s_captureWindow->MacGetTopLevelWindow() == toplevelWindow) )
 283     {
 284         switch ( GetEventKind( event ) )
 285         {
 286             case kEventMouseDown :
 287                 toplevelWindow->MacFireMouseEvent( mouseDown , point.h , point.v , modifiers , EventTimeToTicks( GetEventTime( event ) ) ) ;
 288                 result = noErr ;
 289                 break ;
 290             case kEventMouseUp :
 291                 toplevelWindow->MacFireMouseEvent( mouseUp , point.h , point.v , modifiers , EventTimeToTicks( GetEventTime( event ) ) ) ;
 292                 result = noErr ;
 293                 break ;
 294             case kEventMouseMoved :
 295                 wxTheApp->MacHandleMouseMovedEvent( point.h , point.v , modifiers , EventTimeToTicks( GetEventTime( event ) ) ) ;
 296                 result = noErr ;
 297                 break ;
 298             case kEventMouseDragged :
 299                 toplevelWindow->MacFireMouseEvent( nullEvent , point.h , point.v , modifiers , EventTimeToTicks( GetEventTime( event ) ) ) ;
 300                 result = noErr ;
 301                 break ;
 302             case kEventMouseWheelMoved :
 303                 {
 304                     //bClearTooltip = false;
 305                     EventMouseWheelAxis axis = kEventMouseWheelAxisY;
 306                     SInt32 delta = 0;
 307                     Point mouseLoc = {0, 0};
 308                     if (::GetEventParameter(event, kEventParamMouseWheelAxis, typeMouseWheelAxis,
 309                                         NULL, sizeof(EventMouseWheelAxis), NULL, &axis) == noErr &&
 310                         ::GetEventParameter(event, kEventParamMouseWheelDelta, typeLongInteger,
 311                                         NULL, sizeof(SInt32), NULL, &delta) == noErr &&
 312                         ::GetEventParameter(event, kEventParamMouseLocation, typeQDPoint,
 313                                         NULL, sizeof(Point), NULL, &mouseLoc) == noErr)
 314                     {
 315                         wxMouseEvent wheelEvent(wxEVT_MOUSEWHEEL);
 316
 317                         wheelEvent.m_x = mouseLoc.h;
 318                         wheelEvent.m_y = mouseLoc.v;
 319
 320                         wheelEvent.m_wheelRotation = delta;
 321                         wheelEvent.m_wheelDelta = 1;
 322                         wheelEvent.m_linesPerAction = 1;
 323
 324                         wxWindow* currentMouseWindow = NULL;
 325                         wxWindow::MacGetWindowFromPoint(wxPoint(mouseLoc.h, mouseLoc.v), &currentMouseWindow);
 326
 327                         if (currentMouseWindow)
 328                         {
 329                             currentMouseWindow->GetEventHandler()->ProcessEvent(wheelEvent);
 330                             result = noErr;
 331                         }
 332                     }
 333                 }
 334                 break ;
 335             default :
 336                 break ;
 337         }
 338     }
 339
 340     return result ;
 341
 342
 343 }
 344 static pascal OSStatus WindowEventHandler( EventHandlerCallRef handler , EventRef event , void *data )
 345 {
 346     OSStatus result = eventNotHandledErr ;
 347     OSStatus err = noErr ;
 348
 349     UInt32        attributes;
 350     WindowRef windowRef ;
 351     wxTopLevelWindowMac* toplevelWindow = (wxTopLevelWindowMac*) data ;
 352
 353     GetEventParameter( event, kEventParamDirectObject, typeWindowRef, NULL,
 354         sizeof( WindowRef ), NULL, &windowRef );
 355
 356     switch( GetEventKind( event ) )
 357     {
 358         case kEventWindowUpdate :
 359             if ( !wxPendingDelete.Member(toplevelWindow) )
 360                 toplevelWindow->MacUpdate( EventTimeToTicks( GetEventTime( event ) ) ) ;
 361             result = noErr ;
 362             break ;
 363         case kEventWindowActivated :
 364                 toplevelWindow->MacActivate( EventTimeToTicks( GetEventTime( event ) ) , true) ;
 365             result = noErr ;
 366             break ;
 367         case kEventWindowDeactivated :
 368                 toplevelWindow->MacActivate( EventTimeToTicks( GetEventTime( event ) ) , false) ;
 369             result = noErr ;
 370             break ;
 371         case kEventWindowClose :
 372                 toplevelWindow->Close() ;
 373             result = noErr ;
 374             break ;
 375         case kEventWindowBoundsChanged :
 376             err = GetEventParameter( event, kEventParamAttributes, typeUInt32,
 377                         NULL, sizeof( UInt32 ), NULL, &attributes );
 378             if ( err == noErr )
 379             {
 380                 Rect newContentRect ;
 381
 382                 GetEventParameter( event, kEventParamCurrentBounds, typeQDRectangle, NULL,
 383                     sizeof( newContentRect ), NULL, &newContentRect );
 384
 385                 toplevelWindow->SetSize( newContentRect.left , newContentRect.top ,
 386                     newContentRect.right - newContentRect.left ,
 387                     newContentRect.bottom - newContentRect.top, wxSIZE_USE_EXISTING);
 388
 389                 result = noErr;
 390             }
 391             break ;
 392         case kEventWindowBoundsChanging :
 393             err = GetEventParameter( event, kEventParamAttributes, typeUInt32,
 394                         NULL, sizeof( UInt32 ), NULL, &attributes );
 395             if ( err == noErr )
 396             {
 397                 Rect newContentRect ;
 398
 399                 GetEventParameter( event, kEventParamCurrentBounds, typeQDRectangle, NULL,
 400                     sizeof( newContentRect ), NULL, &newContentRect );
 401
 402                 wxSize formerSize = toplevelWindow->GetSize() ;
 403
 404                 if ( (attributes & kWindowBoundsChangeSizeChanged ) ||
 405                     ( attributes & kWindowBoundsChangeOriginChanged ) )
 406                     toplevelWindow->SetSize( newContentRect.left , newContentRect.top ,
 407                         newContentRect.right - newContentRect.left ,
 408                         newContentRect.bottom - newContentRect.top, wxSIZE_USE_EXISTING);
 409
 410                 int x , y , w , h ;
 411                 toplevelWindow->GetPosition( &x , &y ) ;
 412                 toplevelWindow->GetSize( &w , &h ) ;
 413                 Rect adjustedRect  = { y , x , y + h , x + w } ;
 414
 415                 if ( !EqualRect( &newContentRect , &adjustedRect ) )
 416                 {
 417                     SetEventParameter( event , kEventParamCurrentBounds , typeQDRectangle, sizeof( adjustedRect ) , &adjustedRect ) ;
 418                 }
 419
 420                 if ( toplevelWindow->GetSize() != formerSize )
 421                     toplevelWindow->Update() ;
 422
 423                 result = noErr ;
 424             }
 425             break ;
 426         default :
 427             break ;
 428     }
 429     return result ;
 430 }
 431
 432 pascal OSStatus wxMacWindowEventHandler( EventHandlerCallRef handler , EventRef event , void *data )
 433 {
 434     OSStatus result = eventNotHandledErr ;
 435
 436     switch ( GetEventClass( event ) )
 437     {
 438         case kEventClassKeyboard :
 439             result = KeyboardEventHandler( handler, event , data ) ;
 440             break ;
 441         case kEventClassTextInput :
 442             result = TextInputEventHandler( handler, event , data ) ;
 443             break ;
 444         case kEventClassWindow :
 445             result = WindowEventHandler( handler, event , data ) ;
 446             break ;
 447         case kEventClassMouse :
 448             result = MouseEventHandler( handler, event , data ) ;
 449             break ;
 450         default :
 451             break ;
 452     }
 453     return result ;
 454 }
 455
 456 DEFINE_ONE_SHOT_HANDLER_GETTER( wxMacWindowEventHandler )
 457
 458 #endif
 459
 460 // ---------------------------------------------------------------------------
 461 // wxWindowMac utility functions
 462 // ---------------------------------------------------------------------------
 463
 464 // Find an item given the Macintosh Window Reference
 465
 466 wxList *wxWinMacWindowList = NULL;
 467 wxTopLevelWindowMac *wxFindWinFromMacWindow(WXWindow inWindowRef)
 468 {
 469     if ( wxWinMacWindowList == NULL )
 470         return NULL ;
 471     wxNode *node = wxWinMacWindowList->Find((long)inWindowRef);
 472     if (!node)
 473         return NULL;
 474     return (wxTopLevelWindowMac *)node->GetData();
 475 }
 476
 477 void wxAssociateWinWithMacWindow(WXWindow inWindowRef, wxTopLevelWindowMac *win)
 478 {
 479     // adding NULL WindowRef is (first) surely a result of an error and
 480     // (secondly) breaks menu command processing
 481     wxCHECK_RET( inWindowRef != (WindowRef) NULL, wxT("attempt to add a NULL WindowRef to window list") );
 482
 483     if ( !wxWinMacWindowList->Find((long)inWindowRef) )
 484         wxWinMacWindowList->Append((long)inWindowRef, win);
 485 }
 486
 487 void wxRemoveMacWindowAssociation(wxTopLevelWindowMac *win)
 488 {
 489     wxWinMacWindowList->DeleteObject(win);
 490 }
 491
 492
 493 // ----------------------------------------------------------------------------
 494 // wxTopLevelWindowMac creation
 495 // ----------------------------------------------------------------------------
 496
 497 WXHWND wxTopLevelWindowMac::s_macWindowInUpdate = NULL;
 498 wxTopLevelWindowMac *wxTopLevelWindowMac::s_macDeactivateWindow = NULL;
 499 bool wxTopLevelWindowMac::s_macWindowCompositing = FALSE;
 500
 501 void wxTopLevelWindowMac::Init()
 502 {
 503     m_iconized =
 504     m_maximizeOnShow = FALSE;
 505     m_macNoEraseUpdateRgn = NewRgn() ;
 506     m_macNeedsErasing = false ;
 507     m_macWindow = NULL ;
 508     m_macUsesCompositing = FALSE ;
 509 #if TARGET_CARBON
 510     m_macEventHandler = NULL ;
 511  #endif
 512 }
 513
 514 class wxMacDeferredWindowDeleter : public wxObject
 515 {
 516 public :
 517     wxMacDeferredWindowDeleter( WindowRef windowRef )
 518     {
 519         m_macWindow = windowRef ;
 520     }
 521     virtual ~wxMacDeferredWindowDeleter()
 522     {
 523         UMADisposeWindow( (WindowRef) m_macWindow ) ;
 524     }
 525  protected :
 526     WindowRef m_macWindow ;
 527 } ;
 528
 529 bool wxTopLevelWindowMac::Create(wxWindow *parent,
 530                                  wxWindowID id,
 531                                  const wxString& title,
 532                                  const wxPoint& pos,
 533                                  const wxSize& size,
 534                                  long style,
 535                                  const wxString& name)
 536 {
 537     // init our fields
 538     Init();
 539
 540     m_windowStyle = style;
 541
 542     SetName(name);
 543
 544     m_windowId = id == -1 ? NewControlId() : id;
 545
 546     wxTopLevelWindows.Append(this);
 547
 548     if ( parent )
 549         parent->AddChild(this);
 550
 551     return TRUE;
 552 }
 553
 554 wxTopLevelWindowMac::~wxTopLevelWindowMac()
 555 {
 556     if ( m_macWindow )
 557     {
 558         wxToolTip::NotifyWindowDelete(m_macWindow) ;
 559         wxPendingDelete.Append( new wxMacDeferredWindowDeleter( (WindowRef) m_macWindow ) ) ;
 560     }
 561
 562 #if TARGET_CARBON
 563     if ( m_macEventHandler )
 564     {
 565         ::RemoveEventHandler((EventHandlerRef) m_macEventHandler);
 566         m_macEventHandler = NULL ;
 567     }
 568 #endif
 569
 570     wxRemoveMacWindowAssociation( this ) ;
 571
 572     if ( wxModelessWindows.Find(this) )
 573         wxModelessWindows.DeleteObject(this);
 574
 575     DisposeRgn( (RgnHandle) m_macNoEraseUpdateRgn ) ;
 576 }
 577
 578
 579 // ----------------------------------------------------------------------------
 580 // wxTopLevelWindowMac maximize/minimize
 581 // ----------------------------------------------------------------------------
 582
 583 void wxTopLevelWindowMac::Maximize(bool maximize)
 584 {
 585     wxMacPortStateHelper help( (GrafPtr) GetWindowPort( (WindowRef) m_macWindow) ) ;
 586     wxMacWindowClipper clip (this);
 587     ZoomWindow( (WindowRef)m_macWindow , maximize ? inZoomOut : inZoomIn , false ) ;
 588
 589     Rect tempRect ;
 590     GrafPtr port ;
 591     GetPort( &port ) ;
 592     Point pt = { 0, 0 } ;
 593     SetPortWindowPort((WindowRef)m_macWindow) ;
 594     LocalToGlobal( &pt ) ;
 595     SetPort( port ) ;
 596
 597     GetWindowPortBounds((WindowRef)m_macWindow, &tempRect ) ;
 598     SetSize( pt.h , pt.v , tempRect.right-tempRect.left ,
 599         tempRect.bottom-tempRect.top, wxSIZE_USE_EXISTING);
 600 }
 601
 602 bool wxTopLevelWindowMac::IsMaximized() const
 603 {
 604     return IsWindowInStandardState(  (WindowRef)m_macWindow , NULL , NULL ) ;
 605 }
 606
 607 void wxTopLevelWindowMac::Iconize(bool iconize)
 608 {
 609     if ( IsWindowCollapsable((WindowRef)m_macWindow) )
 610         CollapseWindow((WindowRef)m_macWindow , iconize ) ;
 611 }
 612
 613 bool wxTopLevelWindowMac::IsIconized() const
 614 {
 615     return IsWindowCollapsed((WindowRef)m_macWindow ) ;
 616 }
 617
 618 void wxTopLevelWindowMac::Restore()
 619 {
 620     // not available on mac
 621 }
 622
 623 // ----------------------------------------------------------------------------
 624 // wxTopLevelWindowMac misc
 625 // ----------------------------------------------------------------------------
 626
 627 void wxTopLevelWindowMac::SetIcon(const wxIcon& icon)
 628 {
 629     // this sets m_icon
 630     wxTopLevelWindowBase::SetIcon(icon);
 631 }
 632
 633 void  wxTopLevelWindowMac::MacCreateRealWindow( const wxString& title,
 634            const wxPoint& pos,
 635            const wxSize& size,
 636            long style,
 637            const wxString& name )
 638 {
 639     OSStatus err = noErr ;
 640     SetName(name);
 641     m_windowStyle = style;
 642     m_isShown = FALSE;
 643
 644     // create frame.
 645
 646     Rect theBoundsRect;
 647
 648     m_x = (int)pos.x;
 649     m_y = (int)pos.y;
 650     if ( m_y < 50 )
 651         m_y = 50 ;
 652     if ( m_x < 20 )
 653         m_x = 20 ;
 654
 655     m_width = size.x;
 656     if (m_width == -1)
 657         m_width = 20;
 658     m_height = size.y;
 659     if (m_height == -1)
 660         m_height = 20;
 661
 662     ::SetRect(&theBoundsRect, m_x, m_y , m_x + m_width, m_y + m_height);
 663
 664     // translate the window attributes in the appropriate window class and attributes
 665
 666     WindowClass wclass = 0;
 667     WindowAttributes attr = kWindowNoAttributes ;
 668
 669     if ( HasFlag( wxFRAME_TOOL_WINDOW) )
 670     {
 671         if (
 672             HasFlag( wxMINIMIZE_BOX ) || HasFlag( wxMAXIMIZE_BOX ) ||
 673             HasFlag( wxSYSTEM_MENU ) || HasFlag( wxCAPTION ) ||
 674             HasFlag(wxTINY_CAPTION_HORIZ) ||  HasFlag(wxTINY_CAPTION_VERT)
 675             )
 676         {
 677             wclass = kFloatingWindowClass ;
 678             if ( HasFlag(wxTINY_CAPTION_VERT) )
 679             {
 680                 attr |= kWindowSideTitlebarAttribute ;
 681             }
 682         }
 683         else
 684         {
 685 #if TARGET_CARBON
 686             wclass = kPlainWindowClass ;
 687 #else
 688             wclass = kFloatingWindowClass ;
 689 #endif
 690         }
 691     }
 692     else if ( HasFlag( wxCAPTION ) )
 693     {
 694         wclass = kDocumentWindowClass ;
 695     }
 696     else
 697     {
 698         if ( HasFlag( wxMINIMIZE_BOX ) || HasFlag( wxMAXIMIZE_BOX ) ||
 699             HasFlag( wxCLOSE_BOX ) || HasFlag( wxSYSTEM_MENU ) )
 700         {
 701             wclass = kDocumentWindowClass ;
 702         }
 703         else
 704         {
 705 #if TARGET_CARBON
 706             wclass = kPlainWindowClass ;
 707 #else
 708             wclass = kModalWindowClass ;
 709 #endif
 710         }
 711     }
 712
 713     if ( HasFlag( wxMINIMIZE_BOX ) )
 714     {
 715         attr |= kWindowCollapseBoxAttribute ;
 716     }
 717     if ( HasFlag( wxMAXIMIZE_BOX ) )
 718     {
 719         attr |= kWindowFullZoomAttribute ;
 720     }
 721     if ( HasFlag( wxRESIZE_BORDER ) )
 722     {
 723         attr |= kWindowResizableAttribute ;
 724     }
 725     if ( HasFlag( wxCLOSE_BOX) )
 726     {
 727         attr |= kWindowCloseBoxAttribute ;
 728     }
 729
 730     attr |= kWindowLiveResizeAttribute; //turn on live resizing
 731
 732 #if TARGET_CARBON
 733 #if 0 //  having problems right now with that
 734     if (HasFlag(wxSTAY_ON_TOP))
 735         wclass = kUtilityWindowClass;
 736 #endif
 737 #endif
 738
 739     //this setup lets us have compositing and non-compositing
 740     //windows in the same application.
 741
 742     if ( wxTopLevelWindowMac::s_macWindowCompositing )
 743     {
 744         attr |= kWindowCompositingAttribute;
 745         m_macUsesCompositing = TRUE;
 746     }
 747     else
 748     {
 749         m_macUsesCompositing = FALSE;
 750     }
 751
 752 #if TARGET_CARBON
 753     if ( HasFlag(wxFRAME_SHAPED) )
 754     {
 755         WindowDefSpec customWindowDefSpec;
 756         customWindowDefSpec.defType = kWindowDefProcPtr;
 757         customWindowDefSpec.u.defProc = NewWindowDefUPP(wxShapedMacWindowDef);
 758
 759         err = ::CreateCustomWindow( &customWindowDefSpec, wclass,
 760                               attr, &theBoundsRect,
 761                               (WindowRef*) &m_macWindow);
 762     }
 763     else
 764 #endif
 765     {
 766         err = ::CreateNewWindow( wclass , attr , &theBoundsRect , (WindowRef*)&m_macWindow ) ;
 767     }
 768
 769     wxCHECK_RET( err == noErr, wxT("Mac OS error when trying to create new window") );
 770     wxAssociateWinWithMacWindow( m_macWindow , this ) ;
 771     UMASetWTitle( (WindowRef)m_macWindow , title ) ;
 772     if ( wxTopLevelWindowMac::s_macWindowCompositing )
 773     {
 774         ::GetRootControl( (WindowRef)m_macWindow, (ControlHandle*)&m_macRootControl ) ;
 775     }
 776     else
 777     {
 778         ::CreateRootControl( (WindowRef)m_macWindow , (ControlHandle*)&m_macRootControl ) ;
 779     }
 780 #if TARGET_CARBON
 781     InstallStandardEventHandler( GetWindowEventTarget(MAC_WXHWND(m_macWindow)) ) ;
 782     InstallWindowEventHandler(MAC_WXHWND(m_macWindow), GetwxMacWindowEventHandlerUPP(),
 783         GetEventTypeCount(eventList), eventList, this, (EventHandlerRef *)&m_macEventHandler);
 784 #endif
 785     m_macFocus = NULL ;
 786
 787
 788 #if TARGET_CARBON
 789     if ( HasFlag(wxFRAME_SHAPED) )
 790     {
 791         // default shape matches the window size
 792         wxRegion rgn(0, 0, m_width, m_height);
 793         SetShape(rgn);
 794     }
 795 #endif
 796
 797     wxWindowCreateEvent event(this);
 798     GetEventHandler()->ProcessEvent(event);
 799 }
 800
 801 bool wxTopLevelWindowMac::MacEnableCompositing( bool useCompositing )
 802 {
 803     bool oldval = s_macWindowCompositing;
 804     s_macWindowCompositing = useCompositing;
 805     return oldval;
 806 }
 807
 808 void wxTopLevelWindowMac::MacGetPortParams(WXPOINTPTR localOrigin, WXRECTPTR clipRect, WXHWND *window  , wxWindowMac** rootwin)
 809 {
 810     ((Point*)localOrigin)->h = 0;
 811     ((Point*)localOrigin)->v = 0;
 812     ((Rect*)clipRect)->left = 0;
 813     ((Rect*)clipRect)->top = 0;
 814     ((Rect*)clipRect)->right = m_width;
 815     ((Rect*)clipRect)->bottom = m_height;
 816     *window = m_macWindow ;
 817     *rootwin = this ;
 818 }
 819
 820 void wxTopLevelWindowMac::ClearBackground()
 821 {
 822     wxWindow::ClearBackground() ;
 823 }
 824
 825 WXWidget wxTopLevelWindowMac::MacGetContainerForEmbedding()
 826 {
 827     return m_macRootControl ;
 828 }
 829
 830
 831 void wxTopLevelWindowMac::MacUpdate( long timestamp)
 832 {
 833     wxMacPortStateHelper help( (GrafPtr) GetWindowPort( (WindowRef) m_macWindow) ) ;
 834
 835     RgnHandle       visRgn = NewRgn() ;
 836     GetPortVisibleRegion( GetWindowPort( (WindowRef)m_macWindow ), visRgn );
 837     BeginUpdate( (WindowRef)m_macWindow ) ;
 838
 839     RgnHandle       updateRgn = NewRgn();
 840     RgnHandle       diffRgn = NewRgn() ;
 841
 842     if ( updateRgn && diffRgn )
 843     {
 844 #if 1
 845         // macos internal control redraws clean up areas we'd like to redraw ourselves
 846         // therefore we pick the boundary rect and make sure we can redraw it
 847         // this has to be intersected by the visRgn in order to avoid drawing over its own
 848         // boundaries
 849         RgnHandle trueUpdateRgn = NewRgn() ;
 850         Rect trueUpdateRgnBoundary ;
 851         GetPortVisibleRegion( GetWindowPort( (WindowRef)m_macWindow ), trueUpdateRgn );
 852         GetRegionBounds( trueUpdateRgn , &trueUpdateRgnBoundary ) ;
 853         RectRgn( updateRgn , &trueUpdateRgnBoundary ) ;
 854         SectRgn( updateRgn , visRgn , updateRgn ) ;
 855         if ( trueUpdateRgn )
 856             DisposeRgn( trueUpdateRgn ) ;
 857         SetPortVisibleRegion(  GetWindowPort( (WindowRef)m_macWindow ), updateRgn ) ;
 858 #else
 859         GetPortVisibleRegion( GetWindowPort( (WindowRef)m_macWindow ), updateRgn );
 860 #endif
 861         DiffRgn( updateRgn , (RgnHandle) m_macNoEraseUpdateRgn , diffRgn ) ;
 862         if ( !EmptyRgn( updateRgn ) )
 863         {
 864             MacRedraw( updateRgn , timestamp , m_macNeedsErasing || !EmptyRgn( diffRgn )  ) ;
 865         }
 866     }
 867     if ( updateRgn )
 868         DisposeRgn( updateRgn );
 869     if ( diffRgn )
 870         DisposeRgn( diffRgn );
 871     if ( visRgn )
 872         DisposeRgn( visRgn ) ;
 873
 874     EndUpdate( (WindowRef)m_macWindow ) ;
 875     SetEmptyRgn( (RgnHandle) m_macNoEraseUpdateRgn ) ;
 876     m_macNeedsErasing = false ;
 877 }
 878
 879
 880 // Raise the window to the top of the Z order
 881 void wxTopLevelWindowMac::Raise()
 882 {
 883     ::SelectWindow( (WindowRef)m_macWindow ) ;
 884 }
 885
 886 // Lower the window to the bottom of the Z order
 887 void wxTopLevelWindowMac::Lower()
 888 {
 889     ::SendBehind( (WindowRef)m_macWindow , NULL ) ;
 890 }
 891
 892 void wxTopLevelWindowMac::MacFireMouseEvent(
 893     wxUint16 kind , wxInt32 x , wxInt32 y ,wxUint32 modifiers , long timestamp )
 894 {
 895     wxMouseEvent event(wxEVT_LEFT_DOWN);
 896     bool isDown = !(modifiers & btnState) ; // 1 is for up
 897     bool controlDown = modifiers & controlKey ; // for simulating right mouse
 898
 899     event.m_leftDown = isDown && !controlDown;
 900
 901     event.m_middleDown = FALSE;
 902     event.m_rightDown = isDown && controlDown;
 903
 904     if ( kind == mouseDown )
 905     {
 906         if ( controlDown )
 907             event.SetEventType(wxEVT_RIGHT_DOWN ) ;
 908         else
 909             event.SetEventType(wxEVT_LEFT_DOWN ) ;
 910     }
 911     else if ( kind == mouseUp )
 912     {
 913         if ( controlDown )
 914             event.SetEventType(wxEVT_RIGHT_UP ) ;
 915         else
 916             event.SetEventType(wxEVT_LEFT_UP ) ;
 917     }
 918     else
 919     {
 920         event.SetEventType(wxEVT_MOTION ) ;
 921     }
 922
 923     event.m_shiftDown = modifiers & shiftKey;
 924     event.m_controlDown = modifiers & controlKey;
 925     event.m_altDown = modifiers & optionKey;
 926     event.m_metaDown = modifiers & cmdKey;
 927
 928     Point       localwhere ;
 929     localwhere.h = x ;
 930     localwhere.v = y ;
 931
 932     GrafPtr     port ;
 933     ::GetPort( &port ) ;
 934     ::SetPort( UMAGetWindowPort( (WindowRef)m_macWindow ) ) ;
 935     ::GlobalToLocal( &localwhere ) ;
 936     ::SetPort( port ) ;
 937
 938     if ( kind == mouseDown )
 939     {
 940         if ( timestamp - gs_lastWhen <= (long) GetDblTime() )
 941         {
 942             if ( abs( localwhere.h - gs_lastWhere.h ) < 3 && abs( localwhere.v - gs_lastWhere.v ) < 3 )
 943             {
 944                 // This is not right if the second mouse down
 945                 // event occured in a differen window. We
 946                 // correct this in MacDispatchMouseEvent.
 947                 if ( controlDown )
 948                     event.SetEventType(wxEVT_RIGHT_DCLICK ) ;
 949                 else
 950                     event.SetEventType(wxEVT_LEFT_DCLICK ) ;
 951             }
 952             gs_lastWhen = 0 ;
 953         }
 954         else
 955         {
 956             gs_lastWhen = timestamp ;
 957         }
 958         gs_lastWhere = localwhere ;
 959     }
 960
 961     event.m_x = localwhere.h;
 962     event.m_y = localwhere.v;
 963     event.m_x += m_x;
 964     event.m_y += m_y;
 965
 966     event.m_timeStamp = timestamp;
 967     event.SetEventObject(this);
 968     if ( wxTheApp->s_captureWindow )
 969     {
 970         int x = event.m_x ;
 971         int y = event.m_y ;
 972         wxTheApp->s_captureWindow->ScreenToClient( &x , &y ) ;
 973         event.m_x = x ;
 974         event.m_y = y ;
 975         event.SetEventObject( wxTheApp->s_captureWindow ) ;
 976         wxTheApp->s_captureWindow->GetEventHandler()->ProcessEvent( event ) ;
 977
 978         if ( kind == mouseUp )
 979         {
 980             wxTheApp->s_captureWindow = NULL ;
 981             if ( !wxIsBusy() )
 982             {
 983                 m_cursor.MacInstall() ;
 984             }
 985         }
 986     }
 987     else
 988     {
 989         MacDispatchMouseEvent( event ) ;
 990     }
 991 }
 992
 993 #if !TARGET_CARBON
 994
 995 void wxTopLevelWindowMac::MacMouseDown( WXEVENTREF ev , short part)
 996 {
 997     MacFireMouseEvent( mouseDown , ((EventRecord*)ev)->where.h , ((EventRecord*)ev)->where.v ,
 998         ((EventRecord*)ev)->modifiers , ((EventRecord*)ev)->when ) ;
 999 }
1000
1001 void wxTopLevelWindowMac::MacMouseUp( WXEVENTREF ev , short part)
1002 {
1003     switch (part)
1004     {
1005         case inContent:
1006             {
1007                 MacFireMouseEvent( mouseUp , ((EventRecord*)ev)->where.h , ((EventRecord*)ev)->where.v ,
1008                     ((EventRecord*)ev)->modifiers , ((EventRecord*)ev)->when ) ;
1009             }
1010             break ;
1011     }
1012 }
1013
1014 void wxTopLevelWindowMac::MacMouseMoved( WXEVENTREF ev , short part)
1015 {
1016     switch (part)
1017     {
1018         case inContent:
1019             {
1020                 MacFireMouseEvent( nullEvent /*moved*/ , ((EventRecord*)ev)->where.h , ((EventRecord*)ev)->where.v ,
1021                     ((EventRecord*)ev)->modifiers , ((EventRecord*)ev)->when ) ;
1022             }
1023             break ;
1024     }
1025 }
1026
1027 #endif
1028
1029 void wxTopLevelWindowMac::MacDelayedDeactivation(long timestamp)
1030 {
1031     if(s_macDeactivateWindow)
1032     {
1033         wxLogDebug(wxT("Doing delayed deactivation of %p"),s_macDeactivateWindow);
1034         s_macDeactivateWindow->MacActivate(timestamp, false);
1035     }
1036 }
1037
1038 void wxTopLevelWindowMac::MacActivate( long timestamp , bool inIsActivating )
1039 {
1040     // wxLogDebug(wxT("TopLevel=%p::MacActivate"),this);
1041
1042     if(s_macDeactivateWindow==this)
1043         s_macDeactivateWindow=NULL;
1044     MacDelayedDeactivation(timestamp);
1045     wxActivateEvent event(wxEVT_ACTIVATE, inIsActivating , m_windowId);
1046     event.m_timeStamp = timestamp ;
1047     event.SetEventObject(this);
1048
1049     GetEventHandler()->ProcessEvent(event);
1050
1051     UMAHighlightAndActivateWindow( (WindowRef)m_macWindow , inIsActivating ) ;
1052
1053     // Early versions of MacOS X don't refresh backgrounds properly,
1054     // so refresh the whole window on activation and deactivation.
1055     long osVersion = UMAGetSystemVersion();
1056     if (osVersion >= 0x1000 && osVersion < 0x1020 )
1057     {
1058         Refresh(TRUE);
1059     }
1060     else
1061     {
1062         // for the moment we have to resolve some redrawing issues like this
1063         // the OS is stealing some redrawing areas as soon as it draws a control
1064         Refresh(TRUE);
1065     }
1066 }
1067
1068 #if !TARGET_CARBON
1069
1070 void wxTopLevelWindowMac::MacKeyDown( WXEVENTREF ev )
1071 {
1072 }
1073
1074 #endif
1075
1076 void wxTopLevelWindowMac::SetTitle(const wxString& title)
1077 {
1078     wxWindow::SetTitle( title ) ;
1079     UMASetWTitle( (WindowRef)m_macWindow , title ) ;
1080 }
1081
1082 bool wxTopLevelWindowMac::Show(bool show)
1083 {
1084     if ( !wxWindow::Show(show) )
1085         return FALSE;
1086
1087     if (show)
1088     {
1089         #if wxUSE_SYSTEM_OPTIONS        //code contributed by Ryan Wilcox December 18, 2003
1090         if ( (wxSystemOptions::HasOption(wxMAC_WINDOW_PLAIN_TRANSITION) ) && ( wxSystemOptions::GetOptionInt( wxMAC_WINDOW_PLAIN_TRANSITION ) == 1) )
1091         {
1092            ::ShowWindow( (WindowRef)m_macWindow );
1093         }
1094         else
1095         #endif
1096         {
1097            ::TransitionWindow((WindowRef)m_macWindow,kWindowZoomTransitionEffect,kWindowShowTransitionAction,nil);
1098         }
1099         ::SelectWindow( (WindowRef)m_macWindow ) ;
1100         // no need to generate events here, they will get them triggered by macos
1101         // actually they should be , but apparently they are not
1102         wxSize size(m_width, m_height);
1103         wxSizeEvent event(size, m_windowId);
1104         event.SetEventObject(this);
1105         GetEventHandler()->ProcessEvent(event);
1106     }
1107     else
1108     {
1109         #if wxUSE_SYSTEM_OPTIONS
1110         if ( (wxSystemOptions::HasOption(wxMAC_WINDOW_PLAIN_TRANSITION) ) && ( wxSystemOptions::GetOptionInt( wxMAC_WINDOW_PLAIN_TRANSITION ) == 1) )
1111         {
1112            ::HideWindow((WindowRef) m_macWindow );
1113         }
1114         else
1115         #endif
1116         {
1117            ::TransitionWindow((WindowRef)m_macWindow,kWindowZoomTransitionEffect,kWindowHideTransitionAction,nil);
1118         }
1119     }
1120
1121     if ( !show )
1122     {
1123     }
1124     else
1125     {
1126         Refresh() ;
1127     }
1128
1129     return TRUE;
1130 }
1131
1132 void wxTopLevelWindowMac::DoMoveWindow(int x, int y, int width, int height)
1133 {
1134     wxMacPortStateHelper help( (GrafPtr) GetWindowPort( (WindowRef) m_macWindow) ) ;
1135     wxMacWindowClipper clip (this);
1136
1137     int former_x = m_x ;
1138     int former_y = m_y ;
1139     int former_w = m_width ;
1140     int former_h = m_height ;
1141
1142     int actualWidth = width;
1143     int actualHeight = height;
1144     int actualX = x;
1145     int actualY = y;
1146
1147     if ((m_minWidth != -1) && (actualWidth < m_minWidth))
1148         actualWidth = m_minWidth;
1149     if ((m_minHeight != -1) && (actualHeight < m_minHeight))
1150         actualHeight = m_minHeight;
1151     if ((m_maxWidth != -1) && (actualWidth > m_maxWidth))
1152         actualWidth = m_maxWidth;
1153     if ((m_maxHeight != -1) && (actualHeight > m_maxHeight))
1154         actualHeight = m_maxHeight;
1155
1156     bool doMove = false ;
1157     bool doResize = false ;
1158
1159     if ( actualX != former_x || actualY != former_y )
1160     {
1161         doMove = true ;
1162     }
1163     if ( actualWidth != former_w || actualHeight != former_h )
1164     {
1165         doResize = true ;
1166     }
1167
1168     if ( doMove || doResize )
1169     {
1170         m_x = actualX ;
1171         m_y = actualY ;
1172
1173         if ( doMove )
1174             ::MoveWindow((WindowRef)m_macWindow, m_x, m_y  , false); // don't make frontmost
1175
1176         m_width = actualWidth ;
1177         m_height = actualHeight ;
1178
1179         if ( doResize )
1180             ::SizeWindow((WindowRef)m_macWindow, m_width, m_height  , true);
1181
1182         // the OS takes care of invalidating and erasing the new area so we only have to
1183         // take care of refreshing for full repaints
1184
1185         if ( doResize && HasFlag(wxFULL_REPAINT_ON_RESIZE) )
1186             Refresh() ;
1187
1188
1189         if ( IsKindOf( CLASSINFO( wxFrame ) ) )
1190         {
1191             wxFrame* frame = (wxFrame*) this ;
1192 #if wxUSE_STATUSBAR
1193             frame->PositionStatusBar();
1194 #endif
1195 #if wxUSE_TOOLBAR
1196             frame->PositionToolBar();
1197 #endif
1198         }
1199         if ( doMove )
1200             wxWindowMac::MacTopLevelWindowChangedPosition() ; // like this only children will be notified
1201
1202         MacRepositionScrollBars() ;
1203         if ( doMove )
1204         {
1205             wxPoint point(m_x, m_y);
1206             wxMoveEvent event(point, m_windowId);
1207             event.SetEventObject(this);
1208             GetEventHandler()->ProcessEvent(event) ;
1209         }
1210         if ( doResize )
1211         {
1212              MacRepositionScrollBars() ;
1213              wxSize size(m_width, m_height);
1214              wxSizeEvent event(size, m_windowId);
1215              event.SetEventObject(this);
1216              GetEventHandler()->ProcessEvent(event);
1217         }
1218     }
1219
1220 }
1221
1222 /*
1223  * Invalidation Mechanism
1224  *
1225  * The update mechanism reflects exactely the windows mechanism
1226  * the rect gets added to the window invalidate region, if the eraseBackground flag
1227  * has been true for any part of the update rgn the background is erased in the entire region
1228  * not just in the specified rect.
1229  *
1230  * In order to achive this, we also have an internal m_macNoEraseUpdateRgn, all rects that have
1231  * the eraseBackground flag set to false are also added to this rgn. upon receiving an update event
1232  * the update rgn is compared to the m_macNoEraseUpdateRgn and in case they differ, every window
1233  * will get the eraseBackground event first
1234  */
1235
1236 void wxTopLevelWindowMac::MacInvalidate( const WXRECTPTR rect, bool eraseBackground )
1237 {
1238     GrafPtr formerPort ;
1239     GetPort( &formerPort ) ;
1240     SetPortWindowPort( (WindowRef)m_macWindow ) ;
1241
1242     m_macNeedsErasing |= eraseBackground ;
1243
1244     // if we already know that we will have to erase, there's no need to track the rest
1245     if ( !m_macNeedsErasing)
1246     {
1247         // we end only here if eraseBackground is false
1248         // if we already have a difference between m_macNoEraseUpdateRgn and UpdateRgn
1249         // we will have to erase anyway
1250
1251         RgnHandle       updateRgn = NewRgn();
1252         RgnHandle       diffRgn = NewRgn() ;
1253         if ( updateRgn && diffRgn )
1254         {
1255             GetWindowUpdateRgn( (WindowRef)m_macWindow , updateRgn );
1256             Point pt = {0,0} ;
1257             LocalToGlobal( &pt ) ;
1258             OffsetRgn( updateRgn , -pt.h , -pt.v ) ;
1259             DiffRgn( updateRgn , (RgnHandle) m_macNoEraseUpdateRgn , diffRgn ) ;
1260             if ( !EmptyRgn( diffRgn ) )
1261             {
1262                 m_macNeedsErasing = true ;
1263             }
1264         }
1265         if ( updateRgn )
1266             DisposeRgn( updateRgn );
1267         if ( diffRgn )
1268             DisposeRgn( diffRgn );
1269
1270         if ( !m_macNeedsErasing )
1271         {
1272             RgnHandle rectRgn = NewRgn() ;
1273             SetRectRgn( rectRgn , ((Rect*)rect)->left , ((Rect*)rect)->top , ((Rect*)rect)->right , ((Rect*)rect)->bottom ) ;
1274             UnionRgn( (RgnHandle) m_macNoEraseUpdateRgn , rectRgn , (RgnHandle) m_macNoEraseUpdateRgn ) ;
1275             DisposeRgn( rectRgn ) ;
1276         }
1277     }
1278     InvalWindowRect( (WindowRef)m_macWindow , (Rect*)rect ) ;
1279     // turn this on to debug the refreshing cycle
1280 #if wxMAC_DEBUG_REDRAW
1281     PaintRect( rect ) ;
1282 #endif
1283     SetPort( formerPort ) ;
1284 }
1285
1286
1287 bool wxTopLevelWindowMac::SetShape(const wxRegion& region)
1288 {
1289     wxCHECK_MSG( HasFlag(wxFRAME_SHAPED), FALSE,
1290                  _T("Shaped windows must be created with the wxFRAME_SHAPED style."));
1291
1292 #if TARGET_CARBON
1293     // The empty region signifies that the shape should be removed from the
1294     // window.
1295     if ( region.IsEmpty() )
1296     {
1297         wxSize sz = GetClientSize();
1298         wxRegion rgn(0, 0, sz.x, sz.y);
1299         return SetShape(rgn);
1300     }
1301
1302     // Make a copy of the region
1303     RgnHandle  shapeRegion = NewRgn();
1304     CopyRgn( (RgnHandle)region.GetWXHRGN(), shapeRegion );
1305
1306     // Dispose of any shape region we may already have
1307     RgnHandle oldRgn = (RgnHandle)GetWRefCon( (WindowRef)MacGetWindowRef() );
1308     if ( oldRgn )
1309         DisposeRgn(oldRgn);
1310
1311     // Save the region so we can use it later
1312     SetWRefCon((WindowRef)MacGetWindowRef(), (SInt32)shapeRegion);
1313
1314     // Tell the window manager that the window has changed shape
1315     ReshapeCustomWindow((WindowRef)MacGetWindowRef());
1316     return TRUE;
1317 #else
1318     return FALSE;
1319 #endif
1320 }
1321
1322 // ---------------------------------------------------------------------------
1323 // Support functions for shaped windows, based on Apple's CustomWindow sample at
1324 // http://developer.apple.com/samplecode/Sample_Code/Human_Interface_Toolbox/Mac_OS_High_Level_Toolbox/CustomWindow.htm
1325 // ---------------------------------------------------------------------------
1326
1327 #if TARGET_CARBON
1328
1329 static void wxShapedMacWindowGetPos(WindowRef window, Rect* inRect)
1330 {
1331     GetWindowPortBounds(window, inRect);
1332     Point pt = {inRect->left, inRect->top};
1333     SetPort((GrafPtr) GetWindowPort(window));
1334     LocalToGlobal(&pt);
1335     inRect->top = pt.v;
1336     inRect->left = pt.h;
1337     inRect->bottom += pt.v;
1338     inRect->right += pt.h;
1339 }
1340
1341
1342 static SInt32 wxShapedMacWindowGetFeatures(WindowRef window, SInt32 param)
1343 {
1344     /*------------------------------------------------------
1345         Define which options your custom window supports.
1346     --------------------------------------------------------*/
1347     //just enable everything for our demo
1348     *(OptionBits*)param=//kWindowCanGrow|
1349                         //kWindowCanZoom|
1350                         //kWindowCanCollapse|
1351                         //kWindowCanGetWindowRegion|
1352                         //kWindowHasTitleBar|
1353                         //kWindowSupportsDragHilite|
1354                         kWindowCanDrawInCurrentPort|
1355                         //kWindowCanMeasureTitle|
1356                         kWindowWantsDisposeAtProcessDeath|
1357                         kWindowSupportsSetGrowImageRegion|
1358                         kWindowDefSupportsColorGrafPort;
1359     return 1;
1360 }
1361
1362 // The content region is left as a rectangle matching the window size, this is
1363 // so the origin in the paint event, and etc. still matches what the
1364 // programmer expects.
1365 static void wxShapedMacWindowContentRegion(WindowRef window, RgnHandle rgn)
1366 {
1367     SetEmptyRgn(rgn);
1368     wxTopLevelWindowMac* win = wxFindWinFromMacWindow(window);
1369     if (win)
1370     {
1371         wxRect r = win->GetRect();
1372         SetRectRgn(rgn, r.GetLeft(), r.GetTop(), r.GetRight(), r.GetBottom());
1373     }
1374 }
1375
1376 // The structure region is set to the shape given to the SetShape method.
1377 static void wxShapedMacWindowStructureRegion(WindowRef window, RgnHandle rgn)
1378 {
1379     RgnHandle cachedRegion = (RgnHandle) GetWRefCon(window);
1380
1381     SetEmptyRgn(rgn);
1382     if (cachedRegion)
1383     {
1384         Rect windowRect;
1385         wxShapedMacWindowGetPos(window, &windowRect);   //how big is the window
1386         CopyRgn(cachedRegion, rgn);             //make a copy of our cached region
1387         OffsetRgn(rgn, windowRect.left, windowRect.top); // position it over window
1388         //MapRgn(rgn, &mMaskSize, &windowRect); //scale it to our actual window size
1389     }
1390 }
1391
1392
1393
1394 static SInt32 wxShapedMacWindowGetRegion(WindowRef window, SInt32 param)
1395 {
1396     GetWindowRegionPtr rgnRec=(GetWindowRegionPtr)param;
1397
1398     switch(rgnRec->regionCode)
1399     {
1400         case kWindowStructureRgn:
1401             wxShapedMacWindowStructureRegion(window, rgnRec->winRgn);
1402             break;
1403         case kWindowContentRgn:
1404             wxShapedMacWindowContentRegion(window, rgnRec->winRgn);
1405             break;
1406         default:
1407             SetEmptyRgn(rgnRec->winRgn);
1408     }  //switch
1409
1410     return noErr;
1411 }
1412
1413
1414 static SInt32 wxShapedMacWindowHitTest(WindowRef window,SInt32 param)
1415 {
1416     /*------------------------------------------------------
1417         Determine the region of the window which was hit
1418     --------------------------------------------------------*/
1419     Point hitPoint;
1420     static RgnHandle tempRgn=nil;
1421
1422     if(!tempRgn)
1423         tempRgn=NewRgn();
1424
1425     SetPt(&hitPoint,LoWord(param),HiWord(param));//get the point clicked
1426
1427      //Mac OS 8.5 or later
1428     wxShapedMacWindowStructureRegion(window, tempRgn);
1429     if (PtInRgn(hitPoint, tempRgn)) //in window content region?
1430         return wInContent;
1431
1432     return wNoHit;//no significant area was hit.
1433 }
1434
1435
1436 static pascal long wxShapedMacWindowDef(short varCode, WindowRef window, SInt16 message, SInt32 param)
1437 {
1438     switch(message)
1439     {
1440         case kWindowMsgHitTest:
1441             return wxShapedMacWindowHitTest(window,param);
1442
1443         case kWindowMsgGetFeatures:
1444             return wxShapedMacWindowGetFeatures(window,param);
1445
1446         // kWindowMsgGetRegion is sent during CreateCustomWindow and ReshapeCustomWindow
1447         case kWindowMsgGetRegion:
1448             return wxShapedMacWindowGetRegion(window,param);
1449     }
1450
1451     return 0;
1452 }
1453
1454 #endif
1455 // ---------------------------------------------------------------------------
1456