src/mac/uma.cpp

   1 #include "wx/defs.h"
   2 #include "wx/dc.h"
   3 #include "wx/mac/uma.h"
   4 #include <MacTextEditor.h>
   5
   6 #ifndef __DARWIN__
   7 #  include <Navigation.h>
   8 #  if defined(TARGET_CARBON)
   9 #    if PM_USE_SESSION_APIS
  10 #      include <PMCore.h>
  11 #    endif
  12 #    include <PMApplication.h>
  13 #  else
  14 #    include <Printing.h>
  15 #  endif
  16 #endif
  17
  18 // since we have decided that we only support 8.6 upwards we are
  19 // checking for these minimum requirements in the startup code of
  20 // the application so all wxWindows code can safely assume that appearance 1.1
  21 // windows manager, control manager, navigation services etc. are
  22 // present
  23
  24 #define wxUSE_MLTE 0
  25
  26
  27 static bool     sUMAHasAppearance = false ;
  28 static long sUMAAppearanceVersion = 0 ;
  29 static bool sUMAHasAquaLayout = false ;
  30 static bool sUMASystemInitialized = false ;
  31
  32 extern int gAGABackgroundColor ;
  33 bool UMAHasAppearance() { return sUMAHasAppearance ; }
  34 long UMAGetAppearanceVersion() { return sUMAAppearanceVersion ; }
  35
  36 static bool     sUMAHasWindowManager = false ;
  37 static long sUMAWindowManagerAttr = 0 ;
  38
  39 bool UMAHasWindowManager() { return sUMAHasWindowManager ; }
  40 long UMAGetWindowManagerAttr() { return sUMAWindowManagerAttr ; }
  41 bool UMAHasAquaLayout() { return sUMAHasAquaLayout ; }
  42 bool UMASystemIsInitialized() { return sUMASystemInitialized ; }
  43
  44 void UMACleanupToolbox()
  45 {
  46         if ( sUMAHasAppearance )
  47         {
  48                 UnregisterAppearanceClient() ;
  49         }
  50         if ( NavServicesAvailable() )
  51         {
  52                 NavUnload() ;
  53         }
  54 #if wxUSE_MLTE
  55         TXNTerminateTextension( ) ;
  56 #endif
  57 }
  58 void UMAInitToolbox( UInt16 inMoreMastersCalls )
  59 {
  60 #if !TARGET_CARBON
  61         ::MaxApplZone();
  62         for (long i = 1; i <= inMoreMastersCalls; i++)
  63                 ::MoreMasters();
  64
  65         ::InitGraf(&qd.thePort);
  66         ::InitFonts();
  67         ::InitMenus();
  68         ::TEInit();
  69         ::InitDialogs(0L);
  70         ::FlushEvents(everyEvent, 0);
  71         ::InitCursor();
  72         long total,contig;
  73         PurgeSpace(&total, &contig);
  74 #else
  75         InitCursor();
  76 #endif
  77
  78         long theAppearance ;
  79         if ( Gestalt( gestaltAppearanceAttr, &theAppearance ) == noErr )
  80         {
  81                 sUMAHasAppearance = true ;
  82                 RegisterAppearanceClient();
  83                 if ( Gestalt( gestaltAppearanceVersion, &theAppearance ) == noErr )
  84                 {
  85                         sUMAAppearanceVersion = theAppearance ;
  86                 }
  87                 else
  88                 {
  89                         sUMAAppearanceVersion = 0x0100 ;
  90                 }
  91         }
  92         if ( Gestalt( gestaltWindowMgrAttr, &sUMAWindowManagerAttr ) == noErr )
  93         {
  94                 sUMAHasWindowManager = sUMAWindowManagerAttr & gestaltWindowMgrPresent ;
  95         }
  96
  97 #ifndef __DARWIN__
  98 #if TARGET_CARBON
  99 // Call currently implicitely done :            InitFloatingWindows() ;
 100 #else
 101         if ( sUMAHasWindowManager )
 102                 InitFloatingWindows() ;
 103         else
 104                 InitWindows();
 105 #endif
 106 #endif
 107
 108         if ( NavServicesAvailable() )
 109         {
 110                 NavLoad() ;
 111         }
 112
 113 #if wxUSE_MLTE
 114   TXNMacOSPreferredFontDescription defaults;
 115   defaults.fontID = kFontIDGeneva ;
 116   defaults.pointSize = (10 << 16) ;
 117   defaults.fontStyle = kTXNDefaultFontStyle;
 118   defaults.encoding = kTXNSystemDefaultEncoding;
 119         TXNInitTextension(&defaults,  1, (kTXNAlwaysUseQuickDrawTextMask | kTXNWantMoviesMask | kTXNWantSoundMask | kTXNWantGraphicsMask));
 120 #endif
 121   long menuMgrAttr ;
 122   Gestalt( gestaltMenuMgrAttr , &menuMgrAttr ) ;
 123   if ( menuMgrAttr & gestaltMenuMgrAquaLayoutMask )
 124     sUMAHasAquaLayout = true ;
 125   sUMASystemInitialized = true ;
 126
 127 }
 128
 129 /*
 130 Boolean CanUseATSUI()
 131         {
 132         long result;
 133         OSErr err = Gestalt(gestaltATSUVersion, &result);
 134         return (err == noErr);
 135         }
 136 */
 137 // process manager
 138 long UMAGetProcessMode()
 139 {
 140         OSErr err ;
 141         ProcessInfoRec processinfo;
 142         ProcessSerialNumber procno ;
 143
 144         procno.highLongOfPSN = NULL ;
 145         procno.lowLongOfPSN = kCurrentProcess ;
 146         processinfo.processInfoLength = sizeof(ProcessInfoRec);
 147         processinfo.processName = NULL;
 148         processinfo.processAppSpec = NULL;
 149
 150         err = ::GetProcessInformation( &procno , &processinfo ) ;
 151         wxASSERT( err == noErr ) ;
 152         return processinfo.processMode ;
 153 }
 154
 155 bool UMAGetProcessModeDoesActivateOnFGSwitch()
 156 {
 157         return UMAGetProcessMode() & modeDoesActivateOnFGSwitch ;
 158 }
 159
 160 // menu manager
 161
 162 void UMASetMenuTitle( MenuRef menu , StringPtr title )
 163 {
 164 /*
 165 #if !TARGET_CARBON
 166         long                    size = GetHandleSize( (Handle) menu ) ;
 167         const long              headersize = 14 ;
 168         int                             oldlen = (**menu).menuData[0] + 1;
 169         int                             newlen = title[0] + 1 ;
 170
 171         if ( oldlen < newlen )
 172         {
 173                 // enlarge before adjusting
 174                 SetHandleSize( (Handle) menu , size + (newlen - oldlen ) );
 175         }
 176
 177         if ( oldlen != newlen )
 178                 memmove( (char*) (**menu).menuData + newlen , (char*) (**menu).menuData + oldlen , size - headersize - oldlen ) ;
 179
 180         memcpy( (char*) (**menu).menuData , title ,  newlen ) ;
 181         if ( oldlen > newlen )
 182         {
 183                 // shrink after
 184                 SetHandleSize( (Handle) menu , size + (newlen - oldlen ) ) ;
 185         }
 186 #else
 187 */
 188         SetMenuTitle( menu , title ) ;
 189 //#endif
 190 }
 191
 192 UInt32 UMAMenuEvent( EventRecord *inEvent )
 193 {
 194                 return MenuEvent( inEvent ) ;
 195 }
 196
 197 void                    UMAEnableMenuItem( MenuRef inMenu , MenuItemIndex inItem )
 198 {
 199         EnableMenuItem( inMenu , inItem ) ;
 200 }
 201
 202 void                    UMADisableMenuItem( MenuRef inMenu , MenuItemIndex inItem )
 203 {
 204         DisableMenuItem( inMenu , inItem ) ;
 205 }
 206
 207 void UMAAppendSubMenuItem( MenuRef menu , StringPtr l , SInt16 id )
 208 {
 209         Str255 label ;
 210         memcpy( label , l , l[0]+1 ) ;
 211         // hardcoded adding of the submenu combination for mac
 212
 213         int theEnd = label[0] + 1;
 214         if (theEnd > 251)
 215                 theEnd = 251; // mac allows only 255 characters
 216         label[theEnd++] = '/';
 217         label[theEnd++] = hMenuCmd;
 218         label[theEnd++] = '!';
 219         label[theEnd++] = id ;
 220         label[theEnd] = 0x00;
 221         label[0] = theEnd;
 222         MacAppendMenu(menu, label);
 223 }
 224
 225 void UMAInsertSubMenuItem( MenuRef menu , StringPtr l , MenuItemIndex item , SInt16 id  )
 226 {
 227         Str255 label ;
 228         memcpy( label , l , l[0]+1 ) ;
 229         // hardcoded adding of the submenu combination for mac
 230
 231         int theEnd = label[0] + 1;
 232         if (theEnd > 251)
 233                 theEnd = 251; // mac allows only 255 characters
 234         label[theEnd++] = '/';
 235         label[theEnd++] = hMenuCmd;
 236         label[theEnd++] = '!';
 237         label[theEnd++] = id;
 238         label[theEnd] = 0x00;
 239         label[0] = theEnd;
 240         MacInsertMenuItem(menu, label , item);
 241 }
 242
 243 void UMAAppendMenuItem( MenuRef menu , StringPtr l , SInt16 key, UInt8 modifiers )
 244 {
 245         Str255 label ;
 246         memcpy( label , l , l[0]+1 ) ;
 247         if ( key )
 248         {
 249                         int pos = label[0] ;
 250                         label[++pos] = '/';
 251                         label[++pos] = toupper( key );
 252                         label[0] = pos ;
 253         }
 254         MacAppendMenu( menu , label ) ;
 255 }
 256
 257 void UMAInsertMenuItem( MenuRef menu , StringPtr l , MenuItemIndex item , SInt16 key, UInt8 modifiers )
 258 {
 259         Str255 label ;
 260         memcpy( label , l , l[0]+1 ) ;
 261         if ( key )
 262         {
 263                         int pos = label[0] ;
 264                         label[++pos] = '/';
 265                         label[++pos] = toupper( key );
 266                         label[0] = pos ;
 267         }
 268         MacInsertMenuItem( menu , label , item) ;
 269 }
 270
 271 // quickdraw
 272
 273 int gPrOpenCounter = 0 ;
 274
 275 OSStatus UMAPrOpen(void *macPrintSession)
 276 {
 277 #if !TARGET_CARBON
 278         OSErr err = noErr ;
 279         ++gPrOpenCounter ;
 280         if ( gPrOpenCounter == 1 )
 281         {
 282                 PrOpen() ;
 283                 err = PrError() ;
 284                 wxASSERT( err == noErr ) ;
 285         }
 286         return err ;
 287 #else
 288         OSStatus err = noErr ;
 289         ++gPrOpenCounter ;
 290         if ( gPrOpenCounter == 1 )
 291         {
 292   #if PM_USE_SESSION_APIS
 293             err = PMCreateSession((PMPrintSession *)macPrintSession) ;
 294   #else
 295             err = PMBegin() ;
 296   #endif
 297                 wxASSERT( err == noErr ) ;
 298         }
 299         return err ;
 300 #endif
 301 }
 302
 303 OSStatus UMAPrClose(void *macPrintSession)
 304 {
 305 #if !TARGET_CARBON
 306         OSErr err = noErr ;
 307         wxASSERT( gPrOpenCounter >= 1 ) ;
 308         if ( gPrOpenCounter == 1 )
 309         {
 310                 PrClose() ;
 311                 err = PrError() ;
 312                 wxASSERT( err == noErr ) ;
 313         }
 314         --gPrOpenCounter ;
 315         return err ;
 316 #else
 317         OSStatus err = noErr ;
 318         wxASSERT( gPrOpenCounter >= 1 ) ;
 319         if ( gPrOpenCounter == 1 )
 320         {
 321   #if PM_USE_SESSION_APIS
 322             err = PMRelease(*(PMPrintSession *)macPrintSession) ;
 323             *(PMPrintSession *)macPrintSession = kPMNoReference;
 324   #else
 325             err = PMEnd() ;
 326   #endif
 327         }
 328         --gPrOpenCounter ;
 329         return err ;
 330 #endif
 331 }
 332
 333 #if !TARGET_CARBON
 334
 335 pascal QDGlobalsPtr GetQDGlobalsPtr (void) ;
 336 pascal QDGlobalsPtr GetQDGlobalsPtr (void)
 337 {
 338         return QDGlobalsPtr (* (Ptr*) LMGetCurrentA5 ( ) - 0xCA);
 339 }
 340
 341 #endif
 342
 343 void UMAShowWatchCursor()
 344 {
 345         OSErr err = noErr;
 346
 347         CursHandle watchFob = GetCursor (watchCursor);
 348
 349         if (!watchFob)
 350                 err = nilHandleErr;
 351         else
 352         {
 353         #if TARGET_CARBON
 354 //              Cursor preservedArrow;
 355 //              GetQDGlobalsArrow (&preservedArrow);
 356 //              SetQDGlobalsArrow (*watchFob);
 357 //              InitCursor ( );
 358 //              SetQDGlobalsArrow (&preservedArrow);
 359                 SetCursor (*watchFob);
 360         #else
 361                 SetCursor (*watchFob);
 362         #endif
 363         }
 364 }
 365
 366 void                    UMAShowArrowCursor()
 367 {
 368 #if TARGET_CARBON
 369         Cursor arrow;
 370         SetCursor (GetQDGlobalsArrow (&arrow));
 371 #else
 372         SetCursor (&(qd.arrow));
 373 #endif
 374 }
 375
 376 // window manager
 377
 378 GrafPtr         UMAGetWindowPort( WindowRef inWindowRef )
 379 {
 380         wxASSERT( inWindowRef != NULL ) ;
 381 #if TARGET_CARBON
 382         return GetWindowPort( inWindowRef ) ;
 383 #else
 384         return (GrafPtr) inWindowRef ;
 385 #endif
 386 }
 387
 388 void                    UMADisposeWindow( WindowRef inWindowRef )
 389 {
 390         wxASSERT( inWindowRef != NULL ) ;
 391         DisposeWindow( inWindowRef ) ;
 392 }
 393
 394 void                    UMASetWTitleC( WindowRef inWindowRef , const char *title )
 395 {
 396         Str255  ptitle ;
 397         strncpy( (char*)ptitle , title , 96 ) ;
 398         ptitle[96] = 0 ;
 399 #if TARGET_CARBON
 400         c2pstrcpy( ptitle, (char *)ptitle ) ;
 401 #else
 402         c2pstr( (char*)ptitle ) ;
 403 #endif
 404         SetWTitle( inWindowRef , ptitle ) ;
 405 }
 406
 407 void                    UMAGetWTitleC( WindowRef inWindowRef , char *title )
 408 {
 409         GetWTitle( inWindowRef , (unsigned char*)title ) ;
 410 #if TARGET_CARBON
 411         p2cstrcpy( title, (unsigned char *)title ) ;
 412 #else
 413         p2cstr( (unsigned char*)title ) ;
 414 #endif
 415 }
 416
 417 // appearance additions
 418
 419 void UMAActivateControl( ControlHandle inControl )
 420 {
 421     // we have to add the control after again to the update rgn
 422     // otherwise updates get lost
 423   if ( !IsControlActive( inControl ) )
 424   {
 425         bool visible = IsControlVisible( inControl ) ;
 426         if ( visible )
 427           SetControlVisibility( inControl , false , false ) ;
 428         ::ActivateControl( inControl ) ;
 429         if ( visible ) {
 430           SetControlVisibility( inControl , true , false ) ;
 431           Rect ctrlBounds ;
 432           InvalWindowRect(GetControlOwner(inControl),GetControlBounds(inControl,&ctrlBounds) ) ;
 433         }
 434   }
 435 }
 436
 437 void UMADrawControl( ControlHandle inControl )
 438 {
 439     WindowRef theWindow = GetControlOwner(inControl) ;
 440     RgnHandle updateRgn = NewRgn() ;
 441     GetWindowUpdateRgn( theWindow , updateRgn ) ;
 442           Point zero = { 0 , 0 } ;
 443           LocalToGlobal( &zero ) ;
 444           OffsetRgn( updateRgn , -zero.h , -zero.v ) ;
 445     ::DrawControlInCurrentPort( inControl ) ;
 446     InvalWindowRgn( theWindow, updateRgn) ;
 447           DisposeRgn( updateRgn ) ;
 448 }
 449
 450 void UMAMoveControl( ControlHandle inControl , short x , short y )
 451 {
 452   bool visible = IsControlVisible( inControl ) ;
 453   if ( visible ) {
 454     SetControlVisibility( inControl , false , false ) ;
 455     Rect ctrlBounds ;
 456     InvalWindowRect(GetControlOwner(inControl),GetControlBounds(inControl,&ctrlBounds) ) ;
 457   }
 458   ::MoveControl( inControl , x , y ) ;
 459   if ( visible ) {
 460     SetControlVisibility( inControl , true , false ) ;
 461     Rect ctrlBounds ;
 462     InvalWindowRect(GetControlOwner(inControl),GetControlBounds(inControl,&ctrlBounds) ) ;
 463   }
 464 }
 465
 466 void UMASizeControl( ControlHandle inControl , short x , short y )
 467 {
 468   bool visible = IsControlVisible( inControl ) ;
 469   if ( visible ) {
 470     SetControlVisibility( inControl , false , false ) ;
 471     Rect ctrlBounds ;
 472     InvalWindowRect(GetControlOwner(inControl),GetControlBounds(inControl,&ctrlBounds) ) ;
 473   }
 474   ::SizeControl( inControl , x , y ) ;
 475   if ( visible ) {
 476     SetControlVisibility( inControl , true , false ) ;
 477     Rect ctrlBounds ;
 478     InvalWindowRect(GetControlOwner(inControl),GetControlBounds(inControl,&ctrlBounds) ) ;
 479   }
 480 }
 481
 482 void UMADeactivateControl( ControlHandle inControl )
 483 {
 484     // we have to add the control after again to the update rgn
 485     // otherwise updates get lost
 486      bool visible = IsControlVisible( inControl ) ;
 487      if ( visible )
 488        SetControlVisibility( inControl , false , false ) ;
 489      ::DeactivateControl( inControl ) ;
 490      if ( visible ) {
 491        SetControlVisibility( inControl , true , false ) ;
 492        Rect ctrlBounds ;
 493        InvalWindowRect(GetControlOwner(inControl),GetControlBounds(inControl,&ctrlBounds) ) ;
 494      }
 495 }
 496 // shows the control and adds the region to the update region
 497 void UMAShowControl                                             (ControlHandle                  inControl)
 498 {
 499         SetControlVisibility( inControl , true , false ) ;
 500         Rect ctrlBounds ;
 501         InvalWindowRect(GetControlOwner(inControl),GetControlBounds(inControl,&ctrlBounds) ) ;
 502 }
 503
 504 // shows the control and adds the region to the update region
 505 void UMAHideControl                                             (ControlHandle                  inControl)
 506 {
 507         SetControlVisibility( inControl , false , false ) ;
 508         Rect ctrlBounds ;
 509         InvalWindowRect(GetControlOwner(inControl),GetControlBounds(inControl,&ctrlBounds) ) ;
 510 }
 511 // keyboard focus
 512 OSErr UMASetKeyboardFocus                               (WindowPtr                              inWindow,
 513                                                                  ControlHandle                  inControl,
 514                                                                  ControlFocusPart               inPart)
 515 {
 516         OSErr err = noErr;
 517         GrafPtr port ;
 518         GetPort( &port ) ;
 519
 520         SetPortWindowPort( inWindow ) ;
 521
 522   err = SetKeyboardFocus( inWindow , inControl , inPart ) ;
 523         SetPort( port ) ;
 524         return err ;
 525 }
 526
 527
 528
 529
 530 // events
 531 void UMAUpdateControls( WindowPtr inWindow , RgnHandle inRgn )
 532 {
 533   RgnHandle updateRgn = NewRgn() ;
 534   GetWindowUpdateRgn( inWindow , updateRgn ) ;
 535
 536         Point zero = { 0 , 0 } ;
 537         LocalToGlobal( &zero ) ;
 538         OffsetRgn( updateRgn , -zero.h , -zero.v ) ;
 539
 540   UpdateControls( inWindow , inRgn ) ;
 541   InvalWindowRgn( inWindow, updateRgn) ;
 542         DisposeRgn( updateRgn ) ;
 543
 544 }
 545
 546 bool UMAIsWindowFloating( WindowRef inWindow )
 547 {
 548         WindowClass cl ;
 549
 550         GetWindowClass( inWindow , &cl ) ;
 551         return cl == kFloatingWindowClass ;
 552 }
 553
 554 bool UMAIsWindowModal( WindowRef inWindow )
 555 {
 556         WindowClass cl ;
 557
 558         GetWindowClass( inWindow , &cl ) ;
 559         return cl < kFloatingWindowClass ;
 560 }
 561
 562 // others
 563
 564 void UMAHighlightAndActivateWindow( WindowRef inWindowRef , bool inActivate )
 565 {
 566         if ( inWindowRef )
 567         {
 568 //              bool isHighlighted = IsWindowHighlited( inWindowRef ) ;
 569 //              if ( inActivate != isHightlited )
 570                 GrafPtr port ;
 571                 GetPort( &port ) ;
 572                 SetPortWindowPort( inWindowRef ) ;
 573                 HiliteWindow( inWindowRef , inActivate ) ;
 574                 ControlHandle control = NULL ;
 575                 ::GetRootControl( inWindowRef , & control ) ;
 576                 if ( control )
 577                 {
 578                         if ( inActivate )
 579                                 UMAActivateControl( control ) ;
 580                         else
 581                                 UMADeactivateControl( control ) ;
 582                 }
 583                 SetPort( port ) ;
 584         }
 585 }
 586 OSStatus UMADrawThemePlacard( const Rect *inRect , ThemeDrawState inState )
 587 {
 588   return ::DrawThemePlacard( inRect , inState ) ;
 589 }
 590
 591 static OSStatus helpMenuStatus = noErr ;
 592 static MenuRef helpMenuHandle = NULL ;
 593 static MenuItemIndex firstCustomItemIndex = 0 ;
 594
 595 OSStatus UMAGetHelpMenu(
 596   MenuRef *        outHelpMenu,
 597   MenuItemIndex *  outFirstCustomItemIndex)
 598 {
 599 #if TARGET_CARBON
 600   return HMGetHelpMenu( outHelpMenu , outFirstCustomItemIndex ) ;
 601 #else
 602   if ( helpMenuHandle == NULL )
 603   {
 604     helpMenuStatus = HMGetHelpMenuHandle( &helpMenuHandle ) ;
 605     if ( helpMenuStatus == noErr )
 606     {
 607       firstCustomItemIndex = CountMenuItems( helpMenuHandle ) + 1 ;
 608     }
 609   }
 610   if ( outFirstCustomItemIndex )
 611   {
 612     *outFirstCustomItemIndex = firstCustomItemIndex ;
 613   }
 614   *outHelpMenu = helpMenuHandle ;
 615   return helpMenuStatus ;
 616 #endif
 617 }
 618
 619 wxMacPortStateHelper::wxMacPortStateHelper( GrafPtr newport)
 620 {
 621   m_clip = NULL ;
 622   Setup( newport ) ;
 623 }
 624
 625 wxMacPortStateHelper::wxMacPortStateHelper()
 626 {
 627         m_clip = NULL ;
 628 }
 629
 630 void wxMacPortStateHelper::Setup( GrafPtr newport )
 631 {
 632         GetPort( &m_oldPort ) ;
 633         SetPort( newport ) ;
 634         wxASSERT_MSG( m_clip == NULL , "Cannot call setup twice" ) ;
 635         m_clip = NewRgn() ;
 636         GetClip( m_clip );
 637         m_textFont = GetPortTextFont( (CGrafPtr) newport);
 638         m_textSize = GetPortTextSize( (CGrafPtr) newport);
 639         m_textStyle = GetPortTextFace( (CGrafPtr) newport);
 640         m_textMode = GetPortTextMode( (CGrafPtr) newport);
 641         GetThemeDrawingState( &m_drawingState ) ;
 642         m_currentPort = newport ;
 643 }
 644 void wxMacPortStateHelper::Clear()
 645 {
 646         if ( m_clip )
 647         {
 648                 DisposeRgn( m_clip ) ;
 649                 DisposeThemeDrawingState( m_drawingState ) ;
 650                 m_clip = NULL ;
 651         }
 652 }
 653
 654 wxMacPortStateHelper::~wxMacPortStateHelper()
 655 {
 656         if ( m_clip )
 657         {
 658                 SetPort( m_currentPort ) ;
 659                 SetClip( m_clip ) ;
 660                 DisposeRgn( m_clip ) ;
 661                 TextFont( m_textFont );
 662                 TextSize( m_textSize );
 663                 TextFace( m_textStyle );
 664                 TextMode( m_textMode );
 665                 SetThemeDrawingState( m_drawingState , true ) ;
 666                 SetPort( m_oldPort ) ;
 667         }
 668 }
 669