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 license
  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
  46 #define wxMAC_DEBUG_REDRAW 0
  47 #ifndef wxMAC_DEBUG_REDRAW
  48 #define wxMAC_DEBUG_REDRAW 0
  49 #endif
  50
  51 // ----------------------------------------------------------------------------
  52 // globals
  53 // ----------------------------------------------------------------------------
  54
  55 // list of all frames and modeless dialogs
  56 wxWindowList       wxModelessWindows;
  57
  58 // double click testing
  59 static   Point     gs_lastWhere;
  60 static   long      gs_lastWhen = 0;
  61
  62 // cursor stuff
  63 extern   int       wxBusyCursorCount;
  64
  65
  66 // ============================================================================
  67 // wxTopLevelWindowMac implementation
  68 // ============================================================================
  69
  70 // ---------------------------------------------------------------------------
  71 // wxWindowMac utility functions
  72 // ---------------------------------------------------------------------------
  73
  74 // Find an item given the Macintosh Window Reference
  75
  76 wxList *wxWinMacWindowList = NULL;
  77 wxTopLevelWindowMac *wxFindWinFromMacWindow(WXWindow inWindowRef)
  78 {
  79     wxNode *node = wxWinMacWindowList->Find((long)inWindowRef);
  80     if (!node)
  81         return NULL;
  82     return (wxTopLevelWindowMac *)node->Data();
  83 }
  84
  85 void wxAssociateWinWithMacWindow(WXWindow inWindowRef, wxTopLevelWindowMac *win)
  86 {
  87     // adding NULL WindowRef is (first) surely a result of an error and
  88     // (secondly) breaks menu command processing
  89     wxCHECK_RET( inWindowRef != (WindowRef) NULL, "attempt to add a NULL WindowRef to window list" );
  90
  91     if ( !wxWinMacWindowList->Find((long)inWindowRef) )
  92         wxWinMacWindowList->Append((long)inWindowRef, win);
  93 }
  94
  95 void wxRemoveMacWindowAssociation(wxTopLevelWindowMac *win)
  96 {
  97     wxWinMacWindowList->DeleteObject(win);
  98 }
  99
 100
 101 // ----------------------------------------------------------------------------
 102 // wxTopLevelWindowMac creation
 103 // ----------------------------------------------------------------------------
 104
 105 WXHWND wxTopLevelWindowMac::s_macWindowInUpdate = NULL;
 106
 107 void wxTopLevelWindowMac::Init()
 108 {
 109     m_iconized =
 110     m_maximizeOnShow = FALSE;
 111     m_macNoEraseUpdateRgn = NewRgn() ;
 112     m_macNeedsErasing = false ;
 113     m_macWindow = NULL ;
 114     m_macEventHandler = NULL ;
 115 }
 116
 117 class wxMacDeferredWindowDeleter : public wxObject
 118 {
 119 public :
 120     wxMacDeferredWindowDeleter( WindowRef windowRef )
 121     {
 122         m_macWindow = windowRef ;
 123     }
 124     virtual ~wxMacDeferredWindowDeleter()
 125     {
 126         UMADisposeWindow( (WindowRef) m_macWindow ) ;
 127     }
 128  protected :
 129     WindowRef m_macWindow ;
 130 } ;
 131
 132 bool wxTopLevelWindowMac::Create(wxWindow *parent,
 133                                  wxWindowID id,
 134                                  const wxString& title,
 135                                  const wxPoint& pos,
 136                                  const wxSize& size,
 137                                  long style,
 138                                  const wxString& name)
 139 {
 140     // init our fields
 141     Init();
 142
 143     m_windowStyle = style;
 144
 145     SetName(name);
 146
 147     m_windowId = id == -1 ? NewControlId() : id;
 148
 149     wxTopLevelWindows.Append(this);
 150
 151     if ( parent )
 152         parent->AddChild(this);
 153
 154     return TRUE;
 155 }
 156
 157 wxTopLevelWindowMac::~wxTopLevelWindowMac()
 158 {
 159     if ( m_macWindow )
 160     {
 161         wxToolTip::NotifyWindowDelete(m_macWindow) ;
 162         wxPendingDelete.Append( new wxMacDeferredWindowDeleter( (WindowRef) m_macWindow ) ) ;
 163     }
 164
 165  #if TARGET_CARBON
 166     if ( m_macEventHandler )
 167     {
 168         ::RemoveEventHandler((EventHandlerRef) m_macEventHandler);
 169         m_macEventHandler = NULL ;
 170     }
 171 #endif
 172     wxRemoveMacWindowAssociation( this ) ;
 173
 174     wxTopLevelWindows.DeleteObject(this);
 175
 176     if ( wxModelessWindows.Find(this) )
 177         wxModelessWindows.DeleteObject(this);
 178
 179     // If this is the last top-level window, exit.
 180     if ( wxTheApp && (wxTopLevelWindows.Number() == 0) )
 181     {
 182         wxTheApp->SetTopWindow(NULL);
 183
 184         if ( wxTheApp->GetExitOnFrameDelete() )
 185         {
 186           wxTheApp->ExitMainLoop() ;
 187         }
 188     }
 189     DisposeRgn( (RgnHandle) m_macNoEraseUpdateRgn ) ;
 190 }
 191
 192
 193 // ----------------------------------------------------------------------------
 194 // wxTopLevelWindowMac maximize/minimize
 195 // ----------------------------------------------------------------------------
 196
 197 void wxTopLevelWindowMac::Maximize(bool maximize)
 198 {
 199     // not available on mac
 200 }
 201
 202 bool wxTopLevelWindowMac::IsMaximized() const
 203 {
 204     return false ;
 205 }
 206
 207 void wxTopLevelWindowMac::Iconize(bool iconize)
 208 {
 209     // not available on mac
 210 }
 211
 212 bool wxTopLevelWindowMac::IsIconized() const
 213 {
 214     // mac dialogs cannot be iconized
 215     return FALSE;
 216 }
 217
 218 void wxTopLevelWindowMac::Restore()
 219 {
 220     // not available on mac
 221 }
 222
 223 // ----------------------------------------------------------------------------
 224 // wxTopLevelWindowMac misc
 225 // ----------------------------------------------------------------------------
 226
 227 void wxTopLevelWindowMac::SetIcon(const wxIcon& icon)
 228 {
 229     // this sets m_icon
 230     wxTopLevelWindowBase::SetIcon(icon);
 231 }
 232
 233 #if TARGET_CARBON
 234
 235 EventHandlerUPP wxMacWindowEventHandlerUPP = NULL ;
 236
 237 extern long wxMacTranslateKey(unsigned char key, unsigned char code) ;
 238
 239 pascal OSStatus wxMacWindowEventHandler( EventHandlerCallRef handler , EventRef event , void *data )
 240 {
 241     OSStatus result = eventNotHandledErr ;
 242     EventRecord rec ;
 243     switch ( GetEventClass( event ) )
 244     {
 245         case kEventClassTextInput :
 246             if ( wxMacConvertEventToRecord( event , &rec ) )
 247             {
 248                 short keycode ;
 249                 short keychar ;
 250                 keychar = short(rec.message & charCodeMask);
 251                 keycode = short(rec.message & keyCodeMask) >> 8 ;
 252                 wxWindow* focus = wxWindow::FindFocus() ;
 253                 // it is wxWindows Convention to have Ctrl Key Combinations at ASCII char value
 254                 if ( (rec.modifiers & controlKey) && keychar >= 0 && keychar < 0x20 )
 255                 {
 256                     keychar += 0x40 ;
 257                 }
 258                 long keyval = wxMacTranslateKey(keychar, keycode) ;
 259                 if ( (focus != NULL) && wxTheApp->MacSendKeyDownEvent( focus , keyval , rec.modifiers , rec.when , rec.where.h , rec.where.v ) )
 260                 {
 261                     // was handled internally
 262                     result = noErr ;
 263                 }
 264             }
 265             break ;
 266         default :
 267             break ;
 268     }
 269     return result ;
 270 }
 271
 272 #endif
 273
 274 void wxTopLevelWindowMac::MacInstallEventHandler()
 275 {
 276 #if TARGET_CARBON
 277         if ( wxMacWindowEventHandlerUPP == NULL )
 278         {
 279             wxMacWindowEventHandlerUPP = NewEventHandlerUPP( wxMacWindowEventHandler ) ;
 280         }
 281
 282         static const EventTypeSpec eventList[] =
 283         {
 284             { kEventClassTextInput, kEventTextInputUnicodeForKeyEvent }
 285         } ;
 286         if ( m_macEventHandler )
 287         {
 288         ::RemoveEventHandler((EventHandlerRef) m_macEventHandler);
 289         m_macEventHandler = NULL ;
 290     }
 291         InstallWindowEventHandler(MAC_WXHWND(m_macWindow), wxMacWindowEventHandlerUPP, WXSIZEOF(eventList), eventList, this, &((EventHandlerRef)m_macEventHandler));
 292 #endif
 293 }
 294
 295 void  wxTopLevelWindowMac::MacCreateRealWindow( const wxString& title,
 296            const wxPoint& pos,
 297            const wxSize& size,
 298            long style,
 299            const wxString& name )
 300 {
 301   SetName(name);
 302   m_windowStyle = style;
 303   m_isShown = FALSE;
 304
 305   // create frame.
 306
 307     Rect theBoundsRect;
 308
 309   m_x = (int)pos.x;
 310   m_y = (int)pos.y;
 311   if ( m_y < 50 )
 312     m_y = 50 ;
 313   if ( m_x < 20 )
 314     m_x = 20 ;
 315
 316   m_width = size.x;
 317     if (m_width == -1)
 318         m_width = 20;
 319   m_height = size.y;
 320     if (m_height == -1)
 321         m_height = 20;
 322
 323     ::SetRect(&theBoundsRect, m_x, m_y , m_x + m_width, m_y + m_height);
 324
 325     // translate the window attributes in the appropriate window class and attributes
 326
 327     WindowClass wclass = 0;
 328     WindowAttributes attr = kWindowNoAttributes ;
 329
 330     if ( HasFlag( wxFRAME_TOOL_WINDOW) )
 331     {
 332         if (
 333             HasFlag( wxMINIMIZE_BOX ) || HasFlag( wxMAXIMIZE_BOX ) ||
 334             HasFlag( wxSYSTEM_MENU ) || HasFlag( wxCAPTION ) ||
 335             HasFlag(wxTINY_CAPTION_HORIZ) ||  HasFlag(wxTINY_CAPTION_VERT)
 336              )
 337         {
 338             wclass = kFloatingWindowClass ;
 339             if ( HasFlag(wxTINY_CAPTION_VERT) )
 340             {
 341                 attr |= kWindowSideTitlebarAttribute ;
 342             }
 343         }
 344         else
 345         {
 346             wclass = kPlainWindowClass ;
 347         }
 348     }
 349     else if ( HasFlag( wxCAPTION ) )
 350     {
 351         if ( HasFlag( wxDIALOG_MODAL ) )
 352         {
 353             wclass = kDocumentWindowClass ; // kMovableModalWindowClass ;
 354         }
 355         else
 356         {
 357             wclass = kDocumentWindowClass ;
 358         }
 359     }
 360     else
 361     {
 362         if ( HasFlag( wxMINIMIZE_BOX ) || HasFlag( wxMAXIMIZE_BOX ) ||
 363              HasFlag( wxSYSTEM_MENU ) )
 364         {
 365             wclass = kDocumentWindowClass ;
 366         }
 367         else
 368         {
 369             wclass = kPlainWindowClass ;
 370         }
 371     }
 372
 373     if ( HasFlag( wxMINIMIZE_BOX ) || HasFlag( wxMAXIMIZE_BOX ) )
 374     {
 375         attr |= kWindowFullZoomAttribute ;
 376         attr |= kWindowCollapseBoxAttribute ;
 377     }
 378     if ( HasFlag( wxRESIZE_BORDER ) )
 379     {
 380         attr |= kWindowResizableAttribute ;
 381     }
 382     if ( HasFlag( wxSYSTEM_MENU ) )
 383     {
 384         attr |= kWindowCloseBoxAttribute ;
 385     }
 386
 387     ::CreateNewWindow( wclass , attr , &theBoundsRect , (WindowRef*)&m_macWindow ) ;
 388     wxAssociateWinWithMacWindow( m_macWindow , this ) ;
 389     wxString label ;
 390     if( wxApp::s_macDefaultEncodingIsPC )
 391         label = wxMacMakeMacStringFromPC( title ) ;
 392     else
 393         label = title ;
 394     UMASetWTitleC( (WindowRef)m_macWindow , label ) ;
 395     ::CreateRootControl( (WindowRef)m_macWindow , (ControlHandle*)&m_macRootControl ) ;
 396     MacInstallEventHandler() ;
 397
 398     m_macFocus = NULL ;
 399 }
 400
 401 void wxTopLevelWindowMac::MacGetPortParams(WXPOINTPTR localOrigin, WXRECTPTR clipRect, WXHWND *window  , wxWindowMac** rootwin)
 402 {
 403     ((Point*)localOrigin)->h = 0;
 404     ((Point*)localOrigin)->v = 0;
 405     ((Rect*)clipRect)->left = 0;
 406     ((Rect*)clipRect)->top = 0;
 407     ((Rect*)clipRect)->right = m_width;
 408     ((Rect*)clipRect)->bottom = m_height;
 409     *window = m_macWindow ;
 410     *rootwin = this ;
 411 }
 412
 413 void wxTopLevelWindowMac::Clear()
 414 {
 415   wxWindow::Clear() ;
 416 }
 417
 418 WXWidget wxTopLevelWindowMac::MacGetContainerForEmbedding()
 419 {
 420     return m_macRootControl ;
 421 }
 422
 423
 424 void wxTopLevelWindowMac::MacUpdate( long timestamp)
 425 {
 426
 427     wxMacPortStateHelper help( (GrafPtr) GetWindowPort( (WindowRef) m_macWindow) ) ;
 428
 429     BeginUpdate( (WindowRef)m_macWindow ) ;
 430
 431     RgnHandle       updateRgn = NewRgn();
 432     RgnHandle       diffRgn = NewRgn() ;
 433     if ( updateRgn && diffRgn )
 434     {
 435         GetPortVisibleRegion( GetWindowPort( (WindowRef)m_macWindow ), updateRgn );
 436         DiffRgn( updateRgn , (RgnHandle) m_macNoEraseUpdateRgn , diffRgn ) ;
 437         if ( !EmptyRgn( updateRgn ) )
 438         {
 439             MacRedraw( updateRgn , timestamp , m_macNeedsErasing || !EmptyRgn( diffRgn )  ) ;
 440         }
 441     }
 442     if ( updateRgn )
 443         DisposeRgn( updateRgn );
 444     if ( diffRgn )
 445         DisposeRgn( diffRgn );
 446     EndUpdate( (WindowRef)m_macWindow ) ;
 447     SetEmptyRgn( (RgnHandle) m_macNoEraseUpdateRgn ) ;
 448     m_macNeedsErasing = false ;
 449 }
 450
 451
 452 // Raise the window to the top of the Z order
 453 void wxTopLevelWindowMac::Raise()
 454 {
 455     ::BringToFront( (WindowRef)m_macWindow ) ;
 456 }
 457
 458 // Lower the window to the bottom of the Z order
 459 void wxTopLevelWindowMac::Lower()
 460 {
 461     ::SendBehind( (WindowRef)m_macWindow , NULL ) ;
 462 }
 463
 464 void wxTopLevelWindowMac::MacFireMouseEvent( WXEVENTREF evr )
 465 {
 466     EventRecord *ev = (EventRecord*) evr ;
 467     wxMouseEvent event(wxEVT_LEFT_DOWN);
 468     bool isDown = !(ev->modifiers & btnState) ; // 1 is for up
 469     bool controlDown = ev->modifiers & controlKey ; // for simulating right mouse
 470
 471     event.m_leftDown = isDown && !controlDown;
 472
 473     event.m_middleDown = FALSE;
 474     event.m_rightDown = isDown && controlDown;
 475
 476     if ( ev->what == mouseDown )
 477     {
 478         if ( controlDown )
 479             event.SetEventType(wxEVT_RIGHT_DOWN ) ;
 480         else
 481             event.SetEventType(wxEVT_LEFT_DOWN ) ;
 482     }
 483     else if ( ev->what == mouseUp )
 484     {
 485         if ( controlDown )
 486             event.SetEventType(wxEVT_RIGHT_UP ) ;
 487         else
 488             event.SetEventType(wxEVT_LEFT_UP ) ;
 489     }
 490     else
 491     {
 492         event.SetEventType(wxEVT_MOTION ) ;
 493     }
 494
 495     event.m_shiftDown = ev->modifiers & shiftKey;
 496     event.m_controlDown = ev->modifiers & controlKey;
 497     event.m_altDown = ev->modifiers & optionKey;
 498     event.m_metaDown = ev->modifiers & cmdKey;
 499
 500     Point       localwhere = ev->where ;
 501
 502     GrafPtr     port ;
 503     ::GetPort( &port ) ;
 504     ::SetPort( UMAGetWindowPort( (WindowRef)m_macWindow ) ) ;
 505     ::GlobalToLocal( &localwhere ) ;
 506     ::SetPort( port ) ;
 507
 508     if ( ev->what == mouseDown )
 509     {
 510         if ( ev->when - gs_lastWhen <= GetDblTime() )
 511         {
 512             if ( abs( localwhere.h - gs_lastWhere.h ) < 3 && abs( localwhere.v - gs_lastWhere.v ) < 3 )
 513             {
 514                 // This is not right if the second mouse down
 515                 // event occured in a differen window. We
 516                 // correct this in MacDispatchMouseEvent.
 517                 if ( controlDown )
 518                     event.SetEventType(wxEVT_RIGHT_DCLICK ) ;
 519                 else
 520                     event.SetEventType(wxEVT_LEFT_DCLICK ) ;
 521             }
 522             gs_lastWhen = 0 ;
 523         }
 524         else
 525         {
 526             gs_lastWhen = ev->when ;
 527         }
 528         gs_lastWhere = localwhere ;
 529     }
 530
 531     event.m_x = localwhere.h;
 532     event.m_y = localwhere.v;
 533     event.m_x += m_x;
 534     event.m_y += m_y;
 535
 536     event.m_timeStamp = ev->when;
 537     event.SetEventObject(this);
 538     if ( wxTheApp->s_captureWindow )
 539     {
 540         int x = event.m_x ;
 541         int y = event.m_y ;
 542         wxTheApp->s_captureWindow->ScreenToClient( &x , &y ) ;
 543         event.m_x = x ;
 544         event.m_y = y ;
 545         event.SetEventObject( wxTheApp->s_captureWindow ) ;
 546         wxTheApp->s_captureWindow->GetEventHandler()->ProcessEvent( event ) ;
 547
 548         if ( ev->what == mouseUp )
 549         {
 550             wxTheApp->s_captureWindow = NULL ;
 551             if ( wxBusyCursorCount == 0 )
 552             {
 553                 m_cursor.MacInstall() ;
 554             }
 555         }
 556     }
 557     else
 558     {
 559         MacDispatchMouseEvent( event ) ;
 560     }
 561 }
 562
 563 void wxTopLevelWindowMac::MacMouseDown( WXEVENTREF ev , short part)
 564 {
 565     MacFireMouseEvent( ev ) ;
 566 }
 567
 568 void wxTopLevelWindowMac::MacMouseUp( WXEVENTREF ev , short part)
 569 {
 570     switch (part)
 571     {
 572         case inContent:
 573             {
 574                 MacFireMouseEvent( ev ) ;
 575             }
 576             break ;
 577     }
 578 }
 579
 580 void wxTopLevelWindowMac::MacMouseMoved( WXEVENTREF ev , short part)
 581 {
 582     switch (part)
 583     {
 584         case inContent:
 585             {
 586                 MacFireMouseEvent( ev ) ;
 587             }
 588             break ;
 589     }
 590 }
 591 void wxTopLevelWindowMac::MacActivate( WXEVENTREF ev , bool inIsActivating )
 592 {
 593     wxActivateEvent event(wxEVT_ACTIVATE, inIsActivating , m_windowId);
 594     event.m_timeStamp = ((EventRecord*)ev)->when ;
 595     event.SetEventObject(this);
 596
 597     GetEventHandler()->ProcessEvent(event);
 598
 599     UMAHighlightAndActivateWindow( (WindowRef)m_macWindow , inIsActivating ) ;
 600
 601     MacSuperEnabled( inIsActivating ) ;
 602 }
 603
 604 void wxTopLevelWindowMac::MacKeyDown( WXEVENTREF ev )
 605 {
 606 }
 607
 608 void wxTopLevelWindowMac::SetTitle(const wxString& title)
 609 {
 610     wxWindow::SetTitle( title ) ;
 611
 612     wxString label ;
 613
 614     if( wxApp::s_macDefaultEncodingIsPC )
 615         label = wxMacMakeMacStringFromPC( m_label ) ;
 616     else
 617         label = m_label ;
 618
 619     UMASetWTitleC( (WindowRef)m_macWindow , label ) ;
 620 }
 621
 622 bool wxTopLevelWindowMac::Show(bool show)
 623 {
 624     if ( !wxWindow::Show(show) )
 625         return FALSE;
 626
 627     if (show)
 628     {
 629       ::ShowWindow( (WindowRef)m_macWindow ) ;
 630       ::SelectWindow( (WindowRef)m_macWindow ) ;
 631       // no need to generate events here, they will get them triggered by macos
 632       // actually they should be , but apparently they are not
 633       wxSize size(m_width, m_height);
 634       wxSizeEvent event(size, m_windowId);
 635       event.SetEventObject(this);
 636       GetEventHandler()->ProcessEvent(event);
 637     }
 638     else
 639     {
 640       ::HideWindow( (WindowRef)m_macWindow ) ;
 641     }
 642
 643     if ( !show )
 644     {
 645     }
 646     else
 647     {
 648         Refresh() ;
 649     }
 650
 651     return TRUE;
 652 }
 653
 654 void wxTopLevelWindowMac::DoMoveWindow(int x, int y, int width, int height)
 655 {
 656     int former_x = m_x ;
 657     int former_y = m_y ;
 658     int former_w = m_width ;
 659     int former_h = m_height ;
 660
 661   int actualWidth = width;
 662   int actualHeight = height;
 663   int actualX = x;
 664   int actualY = y;
 665
 666     if ((m_minWidth != -1) && (actualWidth < m_minWidth))
 667         actualWidth = m_minWidth;
 668     if ((m_minHeight != -1) && (actualHeight < m_minHeight))
 669         actualHeight = m_minHeight;
 670     if ((m_maxWidth != -1) && (actualWidth > m_maxWidth))
 671         actualWidth = m_maxWidth;
 672     if ((m_maxHeight != -1) && (actualHeight > m_maxHeight))
 673         actualHeight = m_maxHeight;
 674
 675     bool doMove = false ;
 676     bool doResize = false ;
 677
 678     if ( actualX != former_x || actualY != former_y )
 679     {
 680         doMove = true ;
 681     }
 682     if ( actualWidth != former_w || actualHeight != former_h )
 683     {
 684         doResize = true ;
 685     }
 686
 687     if ( doMove || doResize )
 688     {
 689         m_x = actualX ;
 690         m_y = actualY ;
 691         m_width = actualWidth ;
 692         m_height = actualHeight ;
 693
 694         if ( doMove )
 695             ::MoveWindow((WindowRef)m_macWindow, m_x, m_y  , false); // don't make frontmost
 696
 697         if ( doResize )
 698             ::SizeWindow((WindowRef)m_macWindow, m_width, m_height  , true);
 699
 700         // the OS takes care of invalidating and erasing the new area
 701         // we have erased the old one
 702
 703         if ( IsKindOf( CLASSINFO( wxFrame ) ) )
 704         {
 705             wxFrame* frame = (wxFrame*) this ;
 706             frame->PositionStatusBar();
 707             frame->PositionToolBar();
 708         }
 709         if ( doMove )
 710             wxWindowMac::MacTopLevelWindowChangedPosition() ; // like this only children will be notified
 711
 712         MacRepositionScrollBars() ;
 713         if ( doMove )
 714         {
 715             wxPoint point(m_x, m_y);
 716             wxMoveEvent event(point, m_windowId);
 717             event.SetEventObject(this);
 718             GetEventHandler()->ProcessEvent(event) ;
 719         }
 720         if ( doResize )
 721         {
 722              MacRepositionScrollBars() ;
 723              wxSize size(m_width, m_height);
 724              wxSizeEvent event(size, m_windowId);
 725              event.SetEventObject(this);
 726              GetEventHandler()->ProcessEvent(event);
 727         }
 728     }
 729
 730 }
 731
 732 /*
 733  * Invalidation Mechanism
 734  *
 735  * The update mechanism reflects exactely the windows mechanism
 736  * the rect gets added to the window invalidate region, if the eraseBackground flag
 737  * has been true for any part of the update rgn the background is erased in the entire region
 738  * not just in the specified rect.
 739  *
 740  * In order to achive this, we also have an internal m_macNoEraseUpdateRgn, all rects that have
 741  * the eraseBackground flag set to false are also added to this rgn. upon receiving an update event
 742  * the update rgn is compared to the m_macNoEraseUpdateRgn and in case they differ, every window
 743  * will get the eraseBackground event first
 744  */
 745
 746 void wxTopLevelWindowMac::MacInvalidate( const WXRECTPTR rect, bool eraseBackground )
 747 {
 748   GrafPtr formerPort ;
 749   GetPort( &formerPort ) ;
 750   SetPortWindowPort( (WindowRef)m_macWindow ) ;
 751
 752   m_macNeedsErasing |= eraseBackground ;
 753
 754   // if we already know that we will have to erase, there's no need to track the rest
 755   if ( !m_macNeedsErasing)
 756   {
 757     // we end only here if eraseBackground is false
 758     // if we already have a difference between m_macNoEraseUpdateRgn and UpdateRgn
 759     // we will have to erase anyway
 760
 761     RgnHandle       updateRgn = NewRgn();
 762     RgnHandle       diffRgn = NewRgn() ;
 763     if ( updateRgn && diffRgn )
 764     {
 765         GetWindowUpdateRgn( (WindowRef)m_macWindow , updateRgn );
 766         Point pt = {0,0} ;
 767         LocalToGlobal( &pt ) ;
 768         OffsetRgn( updateRgn , -pt.h , -pt.v ) ;
 769         DiffRgn( updateRgn , (RgnHandle) m_macNoEraseUpdateRgn , diffRgn ) ;
 770         if ( !EmptyRgn( diffRgn ) )
 771         {
 772             m_macNeedsErasing = true ;
 773         }
 774     }
 775     if ( updateRgn )
 776         DisposeRgn( updateRgn );
 777     if ( diffRgn )
 778         DisposeRgn( diffRgn );
 779
 780     if ( !m_macNeedsErasing )
 781     {
 782       RgnHandle rectRgn = NewRgn() ;
 783       SetRectRgn( rectRgn , ((Rect*)rect)->left , ((Rect*)rect)->top , ((Rect*)rect)->right , ((Rect*)rect)->bottom ) ;
 784       UnionRgn( (RgnHandle) m_macNoEraseUpdateRgn , rectRgn , (RgnHandle) m_macNoEraseUpdateRgn ) ;
 785       DisposeRgn( rectRgn ) ;
 786     }
 787   }
 788   InvalWindowRect( (WindowRef)m_macWindow , (Rect*)rect ) ;
 789   // turn this on to debug the refreshing cycle
 790 #if wxMAC_DEBUG_REDRAW
 791   PaintRect( rect ) ;
 792 #endif
 793   SetPort( formerPort ) ;
 794 }
 795