src/osx/carbon/textctrl.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/osx/carbon/textctrl.cpp
   3 // Purpose:     wxTextCtrl
   4 // Author:      Stefan Csomor
   5 // Modified by: Ryan Norton (MLTE GetLineLength and GetLineText)
   6 // Created:     1998-01-01
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Stefan Csomor
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #include "wx/wxprec.h"
  13
  14 #if wxUSE_TEXTCTRL
  15
  16 #include "wx/textctrl.h"
  17
  18 #ifndef WX_PRECOMP
  19     #include "wx/intl.h"
  20     #include "wx/app.h"
  21     #include "wx/utils.h"
  22     #include "wx/dc.h"
  23     #include "wx/button.h"
  24     #include "wx/menu.h"
  25     #include "wx/settings.h"
  26     #include "wx/msgdlg.h"
  27     #include "wx/toplevel.h"
  28 #endif
  29
  30 #ifdef __DARWIN__
  31     #include <sys/types.h>
  32     #include <sys/stat.h>
  33 #else
  34     #include <stat.h>
  35 #endif
  36
  37 #if wxUSE_STD_IOSTREAM
  38     #if wxUSE_IOSTREAMH
  39         #include <fstream.h>
  40     #else
  41         #include <fstream>
  42     #endif
  43 #endif
  44
  45 #include "wx/filefn.h"
  46 #include "wx/sysopt.h"
  47 #include "wx/thread.h"
  48
  49 #include "wx/osx/private.h"
  50 #include "wx/osx/carbon/private/mactext.h"
  51
  52 class wxMacFunctor
  53 {
  54 public :
  55     wxMacFunctor() {}
  56     virtual ~wxMacFunctor() {}
  57
  58     virtual void* operator()() = 0 ;
  59
  60     static void* CallBackProc( void *param )
  61     {
  62         wxMacFunctor* f = (wxMacFunctor*) param ;
  63         void *result = (*f)() ;
  64         return result ;
  65     }
  66 } ;
  67
  68 template<typename classtype, typename param1type>
  69
  70 class wxMacObjectFunctor1 : public wxMacFunctor
  71 {
  72     typedef void (classtype::*function)( param1type p1 ) ;
  73     typedef void (classtype::*ref_function)( const param1type& p1 ) ;
  74 public :
  75     wxMacObjectFunctor1( classtype *obj , function f , param1type p1 ) :
  76         wxMacFunctor()
  77     {
  78         m_object = obj ;
  79         m_function = f ;
  80         m_param1 = p1 ;
  81     }
  82
  83     wxMacObjectFunctor1( classtype *obj , ref_function f , param1type p1 ) :
  84         wxMacFunctor()
  85     {
  86         m_object = obj ;
  87         m_refFunction = f ;
  88         m_param1 = p1 ;
  89     }
  90
  91     virtual ~wxMacObjectFunctor1() {}
  92
  93     virtual void* operator()()
  94     {
  95         (m_object->*m_function)( m_param1 ) ;
  96         return NULL ;
  97     }
  98
  99 private :
 100     classtype* m_object ;
 101     param1type m_param1 ;
 102     union
 103     {
 104         function m_function ;
 105         ref_function m_refFunction ;
 106     } ;
 107 } ;
 108
 109 template<typename classtype, typename param1type>
 110 void* wxMacMPRemoteCall( classtype *object , void (classtype::*function)( param1type p1 ) , param1type p1 )
 111 {
 112     wxMacObjectFunctor1<classtype, param1type> params(object, function, p1) ;
 113     void *result =
 114         MPRemoteCall( wxMacFunctor::CallBackProc , &params , kMPOwningProcessRemoteContext ) ;
 115     return result ;
 116 }
 117
 118 template<typename classtype, typename param1type>
 119 void* wxMacMPRemoteCall( classtype *object , void (classtype::*function)( const param1type& p1 ) , param1type p1 )
 120 {
 121     wxMacObjectFunctor1<classtype,param1type> params(object, function, p1) ;
 122     void *result =
 123         MPRemoteCall( wxMacFunctor::CallBackProc , &params , kMPOwningProcessRemoteContext ) ;
 124     return result ;
 125 }
 126
 127 template<typename classtype, typename param1type>
 128 void* wxMacMPRemoteGUICall( classtype *object , void (classtype::*function)( param1type p1 ) , param1type p1 )
 129 {
 130     wxMutexGuiLeave() ;
 131     void *result = wxMacMPRemoteCall( object , function , p1 ) ;
 132     wxMutexGuiEnter() ;
 133     return result ;
 134 }
 135
 136 template<typename classtype, typename param1type>
 137 void* wxMacMPRemoteGUICall( classtype *object , void (classtype::*function)( const param1type& p1 ) , param1type p1 )
 138 {
 139     wxMutexGuiLeave() ;
 140     void *result = wxMacMPRemoteCall( object , function , p1 ) ;
 141     wxMutexGuiEnter() ;
 142     return result ;
 143 }
 144
 145 class WXDLLEXPORT wxMacPortSaver
 146 {
 147     DECLARE_NO_COPY_CLASS(wxMacPortSaver)
 148
 149 public:
 150     wxMacPortSaver( GrafPtr port );
 151     ~wxMacPortSaver();
 152 private :
 153     GrafPtr m_port;
 154 };
 155
 156
 157 /*
 158  Clips to the visible region of a control within the current port
 159  */
 160
 161 class WXDLLEXPORT wxMacWindowClipper : public wxMacPortSaver
 162 {
 163     DECLARE_NO_COPY_CLASS(wxMacWindowClipper)
 164
 165 public:
 166     wxMacWindowClipper( const wxWindow* win );
 167     ~wxMacWindowClipper();
 168 private:
 169     GrafPtr   m_newPort;
 170     RgnHandle m_formerClip;
 171     RgnHandle m_newClip;
 172 };
 173
 174 wxMacPortSaver::wxMacPortSaver( GrafPtr port )
 175 {
 176     ::GetPort( &m_port );
 177     ::SetPort( port );
 178 }
 179
 180 wxMacPortSaver::~wxMacPortSaver()
 181 {
 182     ::SetPort( m_port );
 183 }
 184
 185 wxMacWindowClipper::wxMacWindowClipper( const wxWindow* win ) :
 186 wxMacPortSaver( (GrafPtr) GetWindowPort( (WindowRef) win->MacGetTopLevelWindowRef() ) )
 187 {
 188     m_newPort = (GrafPtr) GetWindowPort( (WindowRef) win->MacGetTopLevelWindowRef() ) ;
 189     m_formerClip = NewRgn() ;
 190     m_newClip = NewRgn() ;
 191     GetClip( m_formerClip ) ;
 192
 193     if ( win )
 194     {
 195         // guard against half constructed objects, this just leads to a empty clip
 196         if ( win->GetPeer() )
 197         {
 198             int x = 0 , y = 0;
 199             win->MacWindowToRootWindow( &x, &y ) ;
 200
 201             // get area including focus rect
 202             HIShapeGetAsQDRgn( ((wxWindow*)win)->MacGetVisibleRegion(true).GetWXHRGN() , m_newClip );
 203             if ( !EmptyRgn( m_newClip ) )
 204                 OffsetRgn( m_newClip , x , y ) ;
 205         }
 206
 207         SetClip( m_newClip ) ;
 208     }
 209 }
 210
 211 wxMacWindowClipper::~wxMacWindowClipper()
 212 {
 213     SetPort( m_newPort ) ;
 214     SetClip( m_formerClip ) ;
 215     DisposeRgn( m_newClip ) ;
 216     DisposeRgn( m_formerClip ) ;
 217 }
 218
 219 // common parts for implementations based on MLTE
 220
 221 class wxMacMLTEControl : public wxMacTextControl
 222 {
 223 public :
 224     wxMacMLTEControl( wxTextCtrl *peer ) ;
 225
 226     virtual wxString GetStringValue() const ;
 227     virtual void SetStringValue( const wxString &str ) ;
 228
 229     static TXNFrameOptions FrameOptionsFromWXStyle( long wxStyle ) ;
 230
 231     void AdjustCreationAttributes( const wxColour& background, bool visible ) ;
 232
 233     virtual void SetFont( const wxFont & font, const wxColour& foreground, long windowStyle ) ;
 234     virtual void SetBackgroundColour(const wxColour& col );
 235     virtual void SetStyle( long start, long end, const wxTextAttr& style ) ;
 236     virtual void Copy() ;
 237     virtual void Cut() ;
 238     virtual void Paste() ;
 239     virtual bool CanPaste() const ;
 240     virtual void SetEditable( bool editable ) ;
 241     virtual wxTextPos GetLastPosition() const ;
 242     virtual void Replace( long from, long to, const wxString &str ) ;
 243     virtual void Remove( long from, long to ) ;
 244     virtual void GetSelection( long* from, long* to ) const ;
 245     virtual void SetSelection( long from, long to ) ;
 246
 247     virtual void WriteText( const wxString& str ) ;
 248
 249     virtual bool HasOwnContextMenu() const
 250     {
 251         TXNCommandEventSupportOptions options ;
 252         TXNGetCommandEventSupport( m_txn , & options ) ;
 253         return options & kTXNSupportEditCommandProcessing ;
 254     }
 255
 256     virtual void CheckSpelling(bool check)
 257     {
 258         TXNSetSpellCheckAsYouType( m_txn, (Boolean) check );
 259     }
 260     virtual void Clear() ;
 261
 262     virtual bool CanUndo() const ;
 263     virtual void Undo() ;
 264     virtual bool CanRedo()  const;
 265     virtual void Redo() ;
 266     virtual int GetNumberOfLines() const ;
 267     virtual long XYToPosition(long x, long y) const ;
 268     virtual bool PositionToXY(long pos, long *x, long *y) const ;
 269     virtual void ShowPosition( long pos ) ;
 270     virtual int GetLineLength(long lineNo) const ;
 271     virtual wxString GetLineText(long lineNo) const ;
 272
 273     void SetTXNData( const wxString& st , TXNOffset start , TXNOffset end ) ;
 274     TXNObject GetTXNObject() { return m_txn ; }
 275
 276 protected :
 277     void TXNSetAttribute( const wxTextAttr& style , long from , long to ) ;
 278
 279     TXNObject m_txn ;
 280 } ;
 281
 282 // implementation available under OSX
 283
 284 class wxMacMLTEHIViewControl : public wxMacMLTEControl
 285 {
 286 public :
 287     wxMacMLTEHIViewControl( wxTextCtrl *wxPeer,
 288                              const wxString& str,
 289                              const wxPoint& pos,
 290                              const wxSize& size, long style ) ;
 291     virtual ~wxMacMLTEHIViewControl() ;
 292
 293     virtual OSStatus SetFocus( ControlFocusPart focusPart ) ;
 294     virtual bool HasFocus() const ;
 295     virtual void SetBackgroundColour(const wxColour& col ) ;
 296
 297 protected :
 298     HIViewRef m_scrollView ;
 299     HIViewRef m_textView ;
 300 };
 301
 302 // 'classic' MLTE implementation
 303
 304 class wxMacMLTEClassicControl : public wxMacMLTEControl
 305 {
 306 public :
 307     wxMacMLTEClassicControl( wxTextCtrl *wxPeer,
 308                              const wxString& str,
 309                              const wxPoint& pos,
 310                              const wxSize& size, long style ) ;
 311     virtual ~wxMacMLTEClassicControl() ;
 312
 313     virtual void VisibilityChanged(bool shown) ;
 314     virtual void SuperChangedPosition() ;
 315
 316     virtual void            MacControlUserPaneDrawProc(wxInt16 part) ;
 317     virtual wxInt16         MacControlUserPaneHitTestProc(wxInt16 x, wxInt16 y) ;
 318     virtual wxInt16         MacControlUserPaneTrackingProc(wxInt16 x, wxInt16 y, void* actionProc) ;
 319     virtual void            MacControlUserPaneIdleProc() ;
 320     virtual wxInt16         MacControlUserPaneKeyDownProc(wxInt16 keyCode, wxInt16 charCode, wxInt16 modifiers) ;
 321     virtual void            MacControlUserPaneActivateProc(bool activating) ;
 322     virtual wxInt16         MacControlUserPaneFocusProc(wxInt16 action) ;
 323     virtual void            MacControlUserPaneBackgroundProc(void* info) ;
 324
 325     virtual bool SetupCursor( const wxPoint& WXUNUSED(pt) )
 326     {
 327         MacControlUserPaneIdleProc();
 328         return true;
 329     }
 330
 331     virtual void            Move(int x, int y, int width, int height);
 332
 333 protected :
 334     OSStatus                 DoCreate();
 335
 336     void                    MacUpdatePosition() ;
 337     void                    MacActivatePaneText(bool setActive) ;
 338     void                    MacFocusPaneText(bool setFocus) ;
 339     void                    MacSetObjectVisibility(bool vis) ;
 340
 341 private :
 342     TXNFrameID              m_txnFrameID ;
 343     GrafPtr                 m_txnPort ;
 344     WindowRef               m_txnWindow ;
 345     // bounds of the control as we last did set the txn frames
 346     Rect                    m_txnControlBounds ;
 347     Rect                    m_txnVisBounds ;
 348
 349     static pascal void TXNScrollActionProc( ControlRef controlRef , ControlPartCode partCode ) ;
 350     static pascal void TXNScrollInfoProc(
 351         SInt32 iValue, SInt32 iMaximumValue,
 352         TXNScrollBarOrientation iScrollBarOrientation, SInt32 iRefCon ) ;
 353
 354     ControlRef              m_sbHorizontal ;
 355     SInt32                  m_lastHorizontalValue ;
 356     ControlRef              m_sbVertical ;
 357     SInt32                  m_lastVerticalValue ;
 358 };
 359
 360 wxWidgetImplType* wxWidgetImpl::CreateTextControl( wxTextCtrl* wxpeer,
 361                                     wxWindowMac* parent,
 362                                     wxWindowID id,
 363                                     const wxString& str,
 364                                     const wxPoint& pos,
 365                                     const wxSize& size,
 366                                     long style,
 367                                     long extraStyle)
 368 {
 369     bool forceMLTE = false ;
 370
 371 #if wxUSE_SYSTEM_OPTIONS
 372     if (wxSystemOptions::HasOption( wxMAC_TEXTCONTROL_USE_MLTE ) && (wxSystemOptions::GetOptionInt( wxMAC_TEXTCONTROL_USE_MLTE ) == 1))
 373     {
 374         forceMLTE = true ;
 375     }
 376 #endif
 377
 378     if ( UMAGetSystemVersion() >= 0x1050 )
 379         forceMLTE = false;
 380
 381     wxMacTextControl*  peer = NULL;
 382
 383     if ( !forceMLTE )
 384     {
 385         if ( style & wxTE_MULTILINE || ( UMAGetSystemVersion() >= 0x1050 ) )
 386             peer = new wxMacMLTEHIViewControl( wxpeer , str , pos , size , style ) ;
 387     }
 388
 389     if ( !peer )
 390     {
 391         if ( !(style & wxTE_MULTILINE) && !forceMLTE )
 392         {
 393             peer = new wxMacUnicodeTextControl( wxpeer , str , pos , size , style ) ;
 394         }
 395     }
 396
 397     // the horizontal single line scrolling bug that made us keep the classic implementation
 398     // is fixed in 10.5
 399 #if MAC_OS_X_VERSION_MIN_REQUIRED < MAC_OS_X_VERSION_10_5
 400     if ( !peer )
 401         peer = new wxMacMLTEClassicControl( wxpeer , str , pos , size , style ) ;
 402 #endif
 403     return peer;
 404 }
 405
 406 // ----------------------------------------------------------------------------
 407 // standard unicode control implementation
 408 // ----------------------------------------------------------------------------
 409
 410 // the current unicode textcontrol implementation has a bug : only if the control
 411 // is currently having the focus, the selection can be retrieved by the corresponding
 412 // data tag. So we have a mirroring using a member variable
 413 // TODO : build event table using virtual member functions for wxMacControl
 414
 415 static const EventTypeSpec unicodeTextControlEventList[] =
 416 {
 417     { kEventClassControl , kEventControlSetFocusPart } ,
 418 } ;
 419
 420 static pascal OSStatus wxMacUnicodeTextControlControlEventHandler( EventHandlerCallRef handler , EventRef event , void *data )
 421 {
 422     OSStatus result = eventNotHandledErr ;
 423     wxMacUnicodeTextControl* focus = (wxMacUnicodeTextControl*) data ;
 424     wxMacCarbonEvent cEvent( event ) ;
 425
 426     switch ( GetEventKind( event ) )
 427     {
 428         case kEventControlSetFocusPart :
 429         {
 430             ControlPartCode controlPart = cEvent.GetParameter<ControlPartCode>(kEventParamControlPart , typeControlPartCode );
 431             if ( controlPart == kControlFocusNoPart )
 432             {
 433                 // about to loose focus -> store selection to field
 434                 focus->GetData<ControlEditTextSelectionRec>( 0, kControlEditTextSelectionTag, &focus->m_selection );
 435             }
 436             result = CallNextEventHandler(handler,event) ;
 437             if ( controlPart != kControlFocusNoPart )
 438             {
 439                 // about to gain focus -> set selection from field
 440                 focus->SetData<ControlEditTextSelectionRec>( 0, kControlEditTextSelectionTag, &focus->m_selection );
 441             }
 442             break;
 443         }
 444         default:
 445             break ;
 446     }
 447
 448     return result ;
 449 }
 450
 451 static pascal OSStatus wxMacUnicodeTextControlEventHandler( EventHandlerCallRef handler , EventRef event , void *data )
 452 {
 453     OSStatus result = eventNotHandledErr ;
 454
 455     switch ( GetEventClass( event ) )
 456     {
 457         case kEventClassControl :
 458             result = wxMacUnicodeTextControlControlEventHandler( handler , event , data ) ;
 459             break ;
 460
 461         default :
 462             break ;
 463     }
 464     return result ;
 465 }
 466
 467 DEFINE_ONE_SHOT_HANDLER_GETTER( wxMacUnicodeTextControlEventHandler )
 468
 469 wxMacUnicodeTextControl::wxMacUnicodeTextControl( wxTextCtrl *wxPeer ) : wxMacTextControl( wxPeer )
 470 {
 471 }
 472
 473 wxMacUnicodeTextControl::wxMacUnicodeTextControl( wxTextCtrl *wxPeer,
 474     const wxString& str,
 475     const wxPoint& pos,
 476     const wxSize& size, long style )
 477     : wxMacTextControl( wxPeer )
 478 {
 479     Create( wxPeer, str, pos, size, style );
 480 }
 481
 482 bool wxMacUnicodeTextControl::Create( wxTextCtrl *wxPeer,
 483     const wxString& str,
 484     const wxPoint& pos,
 485     const wxSize& size, long style )
 486 {
 487     m_font = wxPeer->GetFont() ;
 488     m_windowStyle = style ;
 489     m_selection.selStart = m_selection.selEnd = 0;
 490     Rect bounds = wxMacGetBoundsForControl( wxPeer , pos , size ) ;
 491     wxString st = str ;
 492     wxMacConvertNewlines10To13( &st ) ;
 493     wxCFStringRef cf(st , m_font.GetEncoding()) ;
 494     CFStringRef cfr = cf ;
 495
 496     m_valueTag = kControlEditTextCFStringTag ;
 497     CreateControl( wxPeer, &bounds, cfr );
 498
 499     if ( !(m_windowStyle & wxTE_MULTILINE) )
 500         SetData<Boolean>( kControlEditTextPart , kControlEditTextSingleLineTag , true ) ;
 501
 502     ::InstallControlEventHandler( m_controlRef , GetwxMacUnicodeTextControlEventHandlerUPP(),
 503                                 GetEventTypeCount(unicodeTextControlEventList), unicodeTextControlEventList, this,
 504                                 NULL);
 505
 506     return true;
 507 }
 508
 509 wxMacUnicodeTextControl::~wxMacUnicodeTextControl()
 510 {
 511 }
 512
 513 void wxMacUnicodeTextControl::VisibilityChanged(bool shown)
 514 {
 515     if ( !(m_windowStyle & wxTE_MULTILINE) && shown )
 516     {
 517         // work around a refresh issue insofar as not always the entire content is shown,
 518         // even if this would be possible
 519         ControlEditTextSelectionRec sel ;
 520         CFStringRef value = NULL ;
 521
 522         verify_noerr( GetData<ControlEditTextSelectionRec>( 0, kControlEditTextSelectionTag, &sel ) );
 523         verify_noerr( GetData<CFStringRef>( 0, m_valueTag, &value ) );
 524         verify_noerr( SetData<CFStringRef>( 0, m_valueTag, &value ) );
 525         verify_noerr( SetData<ControlEditTextSelectionRec>( 0, kControlEditTextSelectionTag, &sel ) );
 526
 527         CFRelease( value ) ;
 528     }
 529 }
 530
 531 wxString wxMacUnicodeTextControl::GetStringValue() const
 532 {
 533     wxString result ;
 534     CFStringRef value = GetData<CFStringRef>(0, m_valueTag) ;
 535     if ( value )
 536     {
 537         wxCFStringRef cf(value) ;
 538         result = cf.AsString() ;
 539     }
 540
 541 #if '\n' == 10
 542     wxMacConvertNewlines13To10( &result ) ;
 543 #else
 544     wxMacConvertNewlines10To13( &result ) ;
 545 #endif
 546
 547     return result ;
 548 }
 549
 550 void wxMacUnicodeTextControl::SetStringValue( const wxString &str )
 551 {
 552     wxString st = str ;
 553     wxMacConvertNewlines10To13( &st ) ;
 554     wxCFStringRef cf( st , m_font.GetEncoding() ) ;
 555     verify_noerr( SetData<CFStringRef>( 0, m_valueTag , cf ) ) ;
 556 }
 557
 558 void wxMacUnicodeTextControl::CreateControl( wxTextCtrl* peer, const Rect* bounds, CFStringRef cfr )
 559 {
 560     Boolean isPassword = ( m_windowStyle & wxTE_PASSWORD ) != 0 ;
 561     if ( isPassword )
 562     {
 563         m_valueTag = kControlEditTextPasswordCFStringTag ;
 564     }
 565     OSStatus err = CreateEditUnicodeTextControl(
 566         MAC_WXHWND(peer->MacGetTopLevelWindowRef()), bounds , cfr ,
 567         isPassword , NULL , &m_controlRef ) ;
 568     verify_noerr( err );
 569 }
 570
 571 void wxMacUnicodeTextControl::Copy()
 572 {
 573     SendHICommand( kHICommandCopy ) ;
 574 }
 575
 576 void wxMacUnicodeTextControl::Cut()
 577 {
 578     SendHICommand( kHICommandCut ) ;
 579 }
 580
 581 void wxMacUnicodeTextControl::Paste()
 582 {
 583     SendHICommand( kHICommandPaste ) ;
 584 }
 585
 586 bool wxMacUnicodeTextControl::CanPaste() const
 587 {
 588     return true ;
 589 }
 590
 591 void wxMacUnicodeTextControl::SetEditable(bool WXUNUSED(editable))
 592 {
 593 #if 0 // leads to problem because text cannot be selected anymore
 594     SetData<Boolean>( kControlEditTextPart , kControlEditTextLockedTag , (Boolean) !editable ) ;
 595 #endif
 596 }
 597
 598 void wxMacUnicodeTextControl::GetSelection( long* from, long* to ) const
 599 {
 600     ControlEditTextSelectionRec sel ;
 601     if (HasFocus())
 602         verify_noerr( GetData<ControlEditTextSelectionRec>( 0, kControlEditTextSelectionTag, &sel ) ) ;
 603     else
 604         sel = m_selection ;
 605
 606     if ( from )
 607         *from = sel.selStart ;
 608     if ( to )
 609         *to = sel.selEnd ;
 610 }
 611
 612 void wxMacUnicodeTextControl::SetSelection( long from , long to )
 613 {
 614     ControlEditTextSelectionRec sel ;
 615     wxString result ;
 616     int textLength = 0 ;
 617     CFStringRef value = GetData<CFStringRef>(0, m_valueTag) ;
 618     if ( value )
 619     {
 620         wxCFStringRef cf(value) ;
 621         textLength = cf.AsString().length() ;
 622     }
 623
 624     if ((from == -1) && (to == -1))
 625     {
 626         from = 0 ;
 627         to = textLength ;
 628     }
 629     else
 630     {
 631         from = wxMin(textLength,wxMax(from,0)) ;
 632         if ( to == -1 )
 633             to = textLength;
 634         else
 635             to = wxMax(0,wxMin(textLength,to)) ;
 636     }
 637
 638     sel.selStart = from ;
 639     sel.selEnd = to ;
 640     if ( HasFocus() )
 641         SetData<ControlEditTextSelectionRec>( 0, kControlEditTextSelectionTag, &sel ) ;
 642     else
 643         m_selection = sel;
 644 }
 645
 646 void wxMacUnicodeTextControl::WriteText( const wxString& str )
 647 {
 648     // TODO: this MPRemoting will be moved into a remoting peer proxy for any command
 649     if ( !wxIsMainThread() )
 650     {
 651 #if wxOSX_USE_CARBON
 652         // unfortunately CW 8 is not able to correctly deduce the template types,
 653         // so we have to instantiate explicitly
 654         wxMacMPRemoteGUICall<wxTextCtrl,wxString>( (wxTextCtrl*) GetWXPeer() , &wxTextCtrl::WriteText , str ) ;
 655 #endif
 656         return ;
 657     }
 658
 659     wxString st = str ;
 660     wxMacConvertNewlines10To13( &st ) ;
 661
 662     if ( HasFocus() )
 663     {
 664         wxCFStringRef cf(st , m_font.GetEncoding() ) ;
 665         CFStringRef value = cf ;
 666         SetData<CFStringRef>( 0, kControlEditTextInsertCFStringRefTag, &value );
 667     }
 668     else
 669     {
 670         wxString val = GetStringValue() ;
 671         long start , end ;
 672         GetSelection( &start , &end ) ;
 673         val.Remove( start , end - start ) ;
 674         val.insert( start , str ) ;
 675         SetStringValue( val ) ;
 676         SetSelection( start + str.length() , start + str.length() ) ;
 677     }
 678 }
 679
 680 // ----------------------------------------------------------------------------
 681 // MLTE control implementation (common part)
 682 // ----------------------------------------------------------------------------
 683
 684 // if MTLE is read only, no changes at all are allowed, not even from
 685 // procedural API, in order to allow changes via API all the same we must undo
 686 // the readonly status while we are executing, this class helps to do so
 687
 688 class wxMacEditHelper
 689 {
 690 public :
 691     wxMacEditHelper( TXNObject txn )
 692     {
 693         TXNControlTag tag[] = { kTXNIOPrivilegesTag } ;
 694         m_txn = txn ;
 695         TXNGetTXNObjectControls( m_txn , 1 , tag , m_data ) ;
 696         if ( m_data[0].uValue == kTXNReadOnly )
 697         {
 698             TXNControlData data[] = { { kTXNReadWrite } } ;
 699             TXNSetTXNObjectControls( m_txn , false , 1 , tag , data ) ;
 700         }
 701     }
 702
 703     ~wxMacEditHelper()
 704     {
 705         TXNControlTag tag[] = { kTXNIOPrivilegesTag } ;
 706         if ( m_data[0].uValue == kTXNReadOnly )
 707             TXNSetTXNObjectControls( m_txn , false , 1 , tag , m_data ) ;
 708     }
 709
 710 protected :
 711     TXNObject m_txn ;
 712     TXNControlData m_data[1] ;
 713 } ;
 714
 715 wxMacMLTEControl::wxMacMLTEControl( wxTextCtrl *peer )
 716     : wxMacTextControl( peer )
 717 {
 718     SetNeedsFocusRect( true ) ;
 719 }
 720
 721 wxString wxMacMLTEControl::GetStringValue() const
 722 {
 723     wxString result ;
 724     OSStatus err ;
 725     Size actualSize = 0;
 726
 727     {
 728 #if wxUSE_UNICODE
 729         Handle theText ;
 730         err = TXNGetDataEncoded( m_txn, kTXNStartOffset, kTXNEndOffset, &theText, kTXNUnicodeTextData );
 731
 732         // all done
 733         if ( err != noErr )
 734         {
 735             actualSize = 0 ;
 736         }
 737         else
 738         {
 739             actualSize = GetHandleSize( theText ) / sizeof(UniChar) ;
 740             if ( actualSize > 0 )
 741             {
 742                 wxChar *ptr = NULL ;
 743
 744 #if SIZEOF_WCHAR_T == 2
 745                 ptr = new wxChar[actualSize + 1] ;
 746                 wxStrncpy( ptr , (wxChar*)(*theText) , actualSize ) ;
 747 #else
 748                 SetHandleSize( theText, (actualSize + 1) * sizeof(UniChar) ) ;
 749                 HLock( theText ) ;
 750                 (((UniChar*)*theText)[actualSize]) = 0 ;
 751                 wxMBConvUTF16 converter ;
 752                 size_t noChars = converter.MB2WC( NULL , (const char*)*theText , 0 ) ;
 753                 wxASSERT_MSG( noChars != wxCONV_FAILED, _T("Unable to count the number of characters in this string!") );
 754                 ptr = new wxChar[noChars + 1] ;
 755
 756                 noChars = converter.MB2WC( ptr , (const char*)*theText , noChars + 1 ) ;
 757                 wxASSERT_MSG( noChars != wxCONV_FAILED, _T("Conversion of string failed!") );
 758                 ptr[noChars] = 0 ;
 759                 HUnlock( theText ) ;
 760 #endif
 761
 762                 ptr[actualSize] = 0 ;
 763                 result = wxString( ptr ) ;
 764                 delete [] ptr ;
 765             }
 766
 767             DisposeHandle( theText ) ;
 768         }
 769 #else
 770         Handle theText ;
 771         err = TXNGetDataEncoded( m_txn , kTXNStartOffset, kTXNEndOffset, &theText, kTXNTextData );
 772
 773         // all done
 774         if ( err != noErr )
 775         {
 776             actualSize = 0 ;
 777         }
 778         else
 779         {
 780             actualSize = GetHandleSize( theText ) ;
 781             if ( actualSize > 0 )
 782             {
 783                 HLock( theText ) ;
 784                 result = wxString( *theText , wxConvLocal , actualSize ) ;
 785                 HUnlock( theText ) ;
 786             }
 787
 788             DisposeHandle( theText ) ;
 789         }
 790 #endif
 791     }
 792
 793 #if '\n' == 10
 794     wxMacConvertNewlines13To10( &result ) ;
 795 #else
 796     wxMacConvertNewlines10To13( &result ) ;
 797 #endif
 798
 799     return result ;
 800 }
 801
 802 void wxMacMLTEControl::SetStringValue( const wxString &str )
 803 {
 804     wxString st = str;
 805     wxMacConvertNewlines10To13( &st );
 806
 807     {
 808 #ifndef __LP64__
 809         wxMacWindowClipper c( GetWXPeer() ) ;
 810 #endif
 811
 812         {
 813             wxMacEditHelper help( m_txn );
 814             SetTXNData( st, kTXNStartOffset, kTXNEndOffset );
 815         }
 816
 817         TXNSetSelection( m_txn, 0, 0 );
 818         TXNShowSelection( m_txn, kTXNShowStart );
 819     }
 820 }
 821
 822 TXNFrameOptions wxMacMLTEControl::FrameOptionsFromWXStyle( long wxStyle )
 823 {
 824     TXNFrameOptions frameOptions = kTXNDontDrawCaretWhenInactiveMask;
 825
 826     frameOptions |= kTXNDoFontSubstitutionMask;
 827
 828     if ( ! (wxStyle & wxTE_NOHIDESEL) )
 829         frameOptions |= kTXNDontDrawSelectionWhenInactiveMask ;
 830
 831     if ( wxStyle & (wxHSCROLL | wxTE_DONTWRAP) )
 832         frameOptions |= kTXNWantHScrollBarMask ;
 833
 834     if ( wxStyle & wxTE_MULTILINE )
 835     {
 836         if ( ! (wxStyle & wxTE_DONTWRAP ) )
 837             frameOptions |= kTXNAlwaysWrapAtViewEdgeMask ;
 838
 839         if ( !(wxStyle & wxTE_NO_VSCROLL) )
 840         {
 841             frameOptions |= kTXNWantVScrollBarMask ;
 842
 843             // The following code causes drawing problems on 10.4. Perhaps it can be restored for
 844             // older versions of the OS, but I'm not sure it's appropriate to put a grow icon here
 845             // anyways, as AFAIK users can't actually use it to resize the text ctrl.
 846 //            if ( frameOptions & kTXNWantHScrollBarMask )
 847 //                frameOptions |= kTXNDrawGrowIconMask ;
 848         }
 849     }
 850     else
 851     {
 852         frameOptions |= kTXNSingleLineOnlyMask ;
 853     }
 854
 855     return frameOptions ;
 856 }
 857
 858 void wxMacMLTEControl::AdjustCreationAttributes(const wxColour &background,
 859                                                 bool WXUNUSED(visible))
 860 {
 861     TXNControlTag iControlTags[] =
 862         {
 863             kTXNDoFontSubstitution,
 864             kTXNWordWrapStateTag ,
 865         };
 866     TXNControlData iControlData[] =
 867         {
 868             { true },
 869             { kTXNNoAutoWrap },
 870         };
 871
 872     int toptag = WXSIZEOF( iControlTags ) ;
 873
 874     if ( m_windowStyle & wxTE_MULTILINE )
 875     {
 876         iControlData[1].uValue =
 877             (m_windowStyle & wxTE_DONTWRAP)
 878             ? kTXNNoAutoWrap
 879             : kTXNAutoWrap;
 880     }
 881
 882     OSStatus err = TXNSetTXNObjectControls( m_txn, false, toptag, iControlTags, iControlData ) ;
 883     verify_noerr( err );
 884
 885     // setting the default font:
 886     // under 10.2 this causes a visible caret, therefore we avoid it
 887
 888     Str255 fontName ;
 889     SInt16 fontSize ;
 890     Style fontStyle ;
 891
 892     GetThemeFont( kThemeSystemFont , GetApplicationScript() , fontName , &fontSize , &fontStyle ) ;
 893
 894     TXNTypeAttributes typeAttr[] =
 895     {
 896         { kTXNQDFontNameAttribute , kTXNQDFontNameAttributeSize , { (void*) fontName } } ,
 897         { kTXNQDFontSizeAttribute , kTXNFontSizeAttributeSize , { (void*) (fontSize << 16) } } ,
 898         { kTXNQDFontStyleAttribute , kTXNQDFontStyleAttributeSize , { (void*) normal } } ,
 899     } ;
 900
 901     err = TXNSetTypeAttributes(
 902         m_txn, sizeof(typeAttr) / sizeof(TXNTypeAttributes),
 903         typeAttr, kTXNStartOffset, kTXNEndOffset );
 904     verify_noerr( err );
 905
 906     if ( m_windowStyle & wxTE_PASSWORD )
 907     {
 908         UniChar c = 0x00A5 ;
 909         err = TXNEchoMode( m_txn , c , 0 , true );
 910         verify_noerr( err );
 911     }
 912
 913     TXNBackground tback;
 914     tback.bgType = kTXNBackgroundTypeRGB;
 915     background.GetRGBColor( &tback.bg.color );
 916     TXNSetBackground( m_txn , &tback );
 917
 918
 919     TXNCommandEventSupportOptions options ;
 920     if ( TXNGetCommandEventSupport( m_txn, &options ) == noErr )
 921     {
 922         options |=
 923             kTXNSupportEditCommandProcessing
 924             | kTXNSupportEditCommandUpdating
 925             | kTXNSupportFontCommandProcessing
 926             | kTXNSupportFontCommandUpdating;
 927
 928         // only spell check when not read-only
 929         // use system options for the default
 930         bool checkSpelling = false ;
 931         if ( !(m_windowStyle & wxTE_READONLY) )
 932         {
 933 #if wxUSE_SYSTEM_OPTIONS
 934             if ( wxSystemOptions::HasOption( wxMAC_TEXTCONTROL_USE_SPELL_CHECKER ) && (wxSystemOptions::GetOptionInt( wxMAC_TEXTCONTROL_USE_SPELL_CHECKER ) == 1) )
 935             {
 936                 checkSpelling = true ;
 937             }
 938 #endif
 939         }
 940
 941         if ( checkSpelling )
 942             options |=
 943                 kTXNSupportSpellCheckCommandProcessing
 944                 | kTXNSupportSpellCheckCommandUpdating;
 945
 946         TXNSetCommandEventSupport( m_txn , options ) ;
 947     }
 948 }
 949
 950 void wxMacMLTEControl::SetBackgroundColour(const wxColour& col )
 951 {
 952     TXNBackground tback;
 953     tback.bgType = kTXNBackgroundTypeRGB;
 954     col.GetRGBColor(&tback.bg.color);
 955     TXNSetBackground( m_txn , &tback );
 956 }
 957
 958 static inline int wxConvertToTXN(int x)
 959 {
 960     return wx_static_cast(int, x / 254.0 * 72 + 0.5);
 961 }
 962
 963 void wxMacMLTEControl::TXNSetAttribute( const wxTextAttr& style , long from , long to )
 964 {
 965     TXNTypeAttributes typeAttr[4] ;
 966     RGBColor color ;
 967     size_t typeAttrCount = 0 ;
 968
 969     TXNMargins margins;
 970     TXNControlTag    controlTags[4];
 971     TXNControlData   controlData[4];
 972     size_t controlAttrCount = 0;
 973
 974     TXNTab* tabs = NULL;
 975
 976     bool relayout = false;
 977     wxFont font ;
 978
 979     if ( style.HasFont() )
 980     {
 981         wxASSERT( typeAttrCount < WXSIZEOF(typeAttr) );
 982         font = style.GetFont() ;
 983         typeAttr[typeAttrCount].tag = kTXNATSUIStyle ;
 984         typeAttr[typeAttrCount].size = kTXNATSUIStyleSize ;
 985         typeAttr[typeAttrCount].data.dataPtr = font.MacGetATSUStyle() ;
 986         typeAttrCount++ ;
 987     }
 988
 989     if ( style.HasTextColour() )
 990     {
 991         wxASSERT( typeAttrCount < WXSIZEOF(typeAttr) );
 992         style.GetTextColour().GetRGBColor( &color );
 993         typeAttr[typeAttrCount].tag = kTXNQDFontColorAttribute ;
 994         typeAttr[typeAttrCount].size = kTXNQDFontColorAttributeSize ;
 995         typeAttr[typeAttrCount].data.dataPtr = (void*) &color ;
 996         typeAttrCount++ ;
 997     }
 998
 999     if ( style.HasAlignment() )
1000     {
1001         wxASSERT( controlAttrCount < WXSIZEOF(controlTags) );
1002         SInt32 align;
1003
1004         switch ( style.GetAlignment() )
1005         {
1006             case wxTEXT_ALIGNMENT_LEFT:
1007                 align = kTXNFlushLeft;
1008                 break;
1009             case wxTEXT_ALIGNMENT_CENTRE:
1010                 align = kTXNCenter;
1011                 break;
1012             case wxTEXT_ALIGNMENT_RIGHT:
1013                 align = kTXNFlushRight;
1014                 break;
1015             case wxTEXT_ALIGNMENT_JUSTIFIED:
1016                 align = kTXNFullJust;
1017                 break;
1018             default :
1019             case wxTEXT_ALIGNMENT_DEFAULT:
1020                 align = kTXNFlushDefault;
1021                 break;
1022         }
1023
1024         controlTags[controlAttrCount] = kTXNJustificationTag ;
1025         controlData[controlAttrCount].sValue = align ;
1026         controlAttrCount++ ;
1027     }
1028
1029     if ( style.HasLeftIndent() || style.HasRightIndent() )
1030     {
1031         wxASSERT( controlAttrCount < WXSIZEOF(controlTags) );
1032         controlTags[controlAttrCount] = kTXNMarginsTag;
1033         controlData[controlAttrCount].marginsPtr = &margins;
1034         verify_noerr( TXNGetTXNObjectControls (m_txn, 1 ,
1035                                 &controlTags[controlAttrCount], &controlData[controlAttrCount]) );
1036         if ( style.HasLeftIndent() )
1037         {
1038             margins.leftMargin = wxConvertToTXN(style.GetLeftIndent());
1039         }
1040         if ( style.HasRightIndent() )
1041         {
1042             margins.rightMargin = wxConvertToTXN(style.GetRightIndent());
1043         }
1044         controlAttrCount++ ;
1045     }
1046
1047     if ( style.HasTabs() )
1048     {
1049         const wxArrayInt& tabarray = style.GetTabs();
1050         // unfortunately Mac only applies a tab distance, not individually different tabs
1051         controlTags[controlAttrCount] = kTXNTabSettingsTag;
1052         if ( tabarray.size() > 0 )
1053             controlData[controlAttrCount].tabValue.value = wxConvertToTXN(tabarray[0]);
1054         else
1055             controlData[controlAttrCount].tabValue.value = 72 ;
1056
1057         controlData[controlAttrCount].tabValue.tabType = kTXNLeftTab;
1058         controlAttrCount++ ;
1059     }
1060
1061     // unfortunately the relayout is not automatic
1062     if ( controlAttrCount > 0 )
1063     {
1064         verify_noerr( TXNSetTXNObjectControls (m_txn, false /* don't clear all */, controlAttrCount,
1065                                 controlTags, controlData) );
1066         relayout = true;
1067     }
1068
1069     if ( typeAttrCount > 0 )
1070     {
1071         verify_noerr( TXNSetTypeAttributes( m_txn , typeAttrCount, typeAttr, from , to ) );
1072         relayout = true;
1073     }
1074
1075     if ( tabs != NULL )
1076     {
1077         delete[] tabs;
1078     }
1079
1080     if ( relayout )
1081     {
1082         TXNRecalcTextLayout( m_txn );
1083     }
1084 }
1085
1086 void wxMacMLTEControl::SetFont(const wxFont & font,
1087                                const wxColour& foreground,
1088                                long WXUNUSED(windowStyle))
1089 {
1090     wxMacEditHelper help( m_txn ) ;
1091     TXNSetAttribute( wxTextAttr( foreground, wxNullColour, font ), kTXNStartOffset, kTXNEndOffset ) ;
1092 }
1093
1094 void wxMacMLTEControl::SetStyle( long start, long end, const wxTextAttr& style )
1095 {
1096     wxMacEditHelper help( m_txn ) ;
1097     TXNSetAttribute( style, start, end ) ;
1098 }
1099
1100 void wxMacMLTEControl::Copy()
1101 {
1102     TXNCopy( m_txn );
1103 }
1104
1105 void wxMacMLTEControl::Cut()
1106 {
1107     TXNCut( m_txn );
1108 }
1109
1110 void wxMacMLTEControl::Paste()
1111 {
1112     TXNPaste( m_txn );
1113 }
1114
1115 bool wxMacMLTEControl::CanPaste() const
1116 {
1117     return TXNIsScrapPastable() ;
1118 }
1119
1120 void wxMacMLTEControl::SetEditable(bool editable)
1121 {
1122     TXNControlTag tag[] = { kTXNIOPrivilegesTag } ;
1123     TXNControlData data[] = { { editable ? kTXNReadWrite : kTXNReadOnly } } ;
1124     TXNSetTXNObjectControls( m_txn, false, WXSIZEOF(tag), tag, data ) ;
1125 }
1126
1127 wxTextPos wxMacMLTEControl::GetLastPosition() const
1128 {
1129     wxTextPos actualsize = 0 ;
1130
1131     Handle theText ;
1132     OSErr err = TXNGetDataEncoded( m_txn, kTXNStartOffset, kTXNEndOffset, &theText, kTXNTextData );
1133
1134     // all done
1135     if ( err == noErr )
1136     {
1137         actualsize = GetHandleSize( theText ) ;
1138         DisposeHandle( theText ) ;
1139     }
1140     else
1141     {
1142         actualsize = 0 ;
1143     }
1144
1145     return actualsize ;
1146 }
1147
1148 void wxMacMLTEControl::Replace( long from , long to , const wxString &str )
1149 {
1150     wxString value = str ;
1151     wxMacConvertNewlines10To13( &value ) ;
1152
1153     wxMacEditHelper help( m_txn ) ;
1154 #ifndef __LP64__
1155     wxMacWindowClipper c( GetWXPeer() ) ;
1156 #endif
1157
1158     TXNSetSelection( m_txn, from, to == -1 ? kTXNEndOffset : to ) ;
1159     TXNClear( m_txn ) ;
1160     SetTXNData( value, kTXNUseCurrentSelection, kTXNUseCurrentSelection ) ;
1161 }
1162
1163 void wxMacMLTEControl::Remove( long from , long to )
1164 {
1165 #ifndef __LP64__
1166     wxMacWindowClipper c( GetWXPeer() ) ;
1167 #endif
1168     wxMacEditHelper help( m_txn ) ;
1169     TXNSetSelection( m_txn , from , to ) ;
1170     TXNClear( m_txn ) ;
1171 }
1172
1173 void wxMacMLTEControl::GetSelection( long* from, long* to) const
1174 {
1175     TXNOffset f,t ;
1176     TXNGetSelection( m_txn , &f , &t ) ;
1177     *from = f;
1178     *to = t;
1179 }
1180
1181 void wxMacMLTEControl::SetSelection( long from , long to )
1182 {
1183 #ifndef __LP64__
1184     wxMacWindowClipper c( GetWXPeer() ) ;
1185 #endif
1186
1187     // change the selection
1188     if ((from == -1) && (to == -1))
1189         TXNSelectAll( m_txn );
1190     else
1191         TXNSetSelection( m_txn, from, to == -1 ? kTXNEndOffset : to );
1192
1193     TXNShowSelection( m_txn, kTXNShowStart );
1194 }
1195
1196 void wxMacMLTEControl::WriteText( const wxString& str )
1197 {
1198     // TODO: this MPRemoting will be moved into a remoting peer proxy for any command
1199     if ( !wxIsMainThread() )
1200     {
1201 #if wxOSX_USE_CARBON
1202         // unfortunately CW 8 is not able to correctly deduce the template types,
1203         // so we have to instantiate explicitly
1204         wxMacMPRemoteGUICall<wxTextCtrl,wxString>( (wxTextCtrl*) GetWXPeer() , &wxTextCtrl::WriteText , str ) ;
1205 #endif
1206         return ;
1207     }
1208
1209     wxString st = str ;
1210     wxMacConvertNewlines10To13( &st ) ;
1211
1212     long start , end , dummy ;
1213
1214     GetSelection( &start , &dummy ) ;
1215 #ifndef __LP64__
1216     wxMacWindowClipper c( GetWXPeer() ) ;
1217 #endif
1218
1219     {
1220         wxMacEditHelper helper( m_txn ) ;
1221         SetTXNData( st, kTXNUseCurrentSelection, kTXNUseCurrentSelection ) ;
1222     }
1223
1224     GetSelection( &dummy, &end ) ;
1225
1226     // TODO: SetStyle( start , end , GetDefaultStyle() ) ;
1227 }
1228
1229 void wxMacMLTEControl::Clear()
1230 {
1231 #ifndef __LP64__
1232     wxMacWindowClipper c( GetWXPeer() ) ;
1233 #endif
1234     wxMacEditHelper st( m_txn ) ;
1235     TXNSetSelection( m_txn , kTXNStartOffset , kTXNEndOffset ) ;
1236     TXNClear( m_txn ) ;
1237 }
1238
1239 bool wxMacMLTEControl::CanUndo() const
1240 {
1241     return TXNCanUndo( m_txn , NULL ) ;
1242 }
1243
1244 void wxMacMLTEControl::Undo()
1245 {
1246     TXNUndo( m_txn ) ;
1247 }
1248
1249 bool wxMacMLTEControl::CanRedo() const
1250 {
1251     return TXNCanRedo( m_txn , NULL ) ;
1252 }
1253
1254 void wxMacMLTEControl::Redo()
1255 {
1256     TXNRedo( m_txn ) ;
1257 }
1258
1259 int wxMacMLTEControl::GetNumberOfLines() const
1260 {
1261     ItemCount lines = 0 ;
1262     TXNGetLineCount( m_txn, &lines ) ;
1263
1264     return lines ;
1265 }
1266
1267 long wxMacMLTEControl::XYToPosition(long x, long y) const
1268 {
1269     Point curpt ;
1270     wxTextPos lastpos ;
1271
1272     // TODO: find a better implementation : while we can get the
1273     // line metrics of a certain line, we don't get its starting
1274     // position, so it would probably be rather a binary search
1275     // for the start position
1276     long xpos = 0, ypos = 0 ;
1277     int lastHeight = 0 ;
1278     ItemCount n ;
1279
1280     lastpos = GetLastPosition() ;
1281     for ( n = 0 ; n <= (ItemCount) lastpos ; ++n )
1282     {
1283         if ( y == ypos && x == xpos )
1284             return n ;
1285
1286         TXNOffsetToPoint( m_txn, n, &curpt ) ;
1287
1288         if ( curpt.v > lastHeight )
1289         {
1290             xpos = 0 ;
1291             if ( n > 0 )
1292                 ++ypos ;
1293
1294             lastHeight = curpt.v ;
1295         }
1296         else
1297             ++xpos ;
1298     }
1299
1300     return 0 ;
1301 }
1302
1303 bool wxMacMLTEControl::PositionToXY( long pos, long *x, long *y ) const
1304 {
1305     Point curpt ;
1306     wxTextPos lastpos ;
1307
1308     if ( y )
1309         *y = 0 ;
1310     if ( x )
1311         *x = 0 ;
1312
1313     lastpos = GetLastPosition() ;
1314     if ( pos <= lastpos )
1315     {
1316         // TODO: find a better implementation - while we can get the
1317         // line metrics of a certain line, we don't get its starting
1318         // position, so it would probably be rather a binary search
1319         // for the start position
1320         long xpos = 0, ypos = 0 ;
1321         int lastHeight = 0 ;
1322         ItemCount n ;
1323
1324         for ( n = 0 ; n <= (ItemCount) pos ; ++n )
1325         {
1326             TXNOffsetToPoint( m_txn, n, &curpt ) ;
1327
1328             if ( curpt.v > lastHeight )
1329             {
1330                 xpos = 0 ;
1331                 if ( n > 0 )
1332                     ++ypos ;
1333
1334                 lastHeight = curpt.v ;
1335             }
1336             else
1337                 ++xpos ;
1338         }
1339
1340         if ( y )
1341             *y = ypos ;
1342         if ( x )
1343             *x = xpos ;
1344     }
1345
1346     return false ;
1347 }
1348
1349 void wxMacMLTEControl::ShowPosition( long pos )
1350 {
1351     Point current, desired ;
1352     TXNOffset selstart, selend;
1353
1354     TXNGetSelection( m_txn, &selstart, &selend );
1355     TXNOffsetToPoint( m_txn, selstart, &current );
1356     TXNOffsetToPoint( m_txn, pos, &desired );
1357
1358     // TODO: use HIPoints for 10.3 and above
1359
1360     OSErr theErr = noErr;
1361     long dv = desired.v - current.v;
1362     long dh = desired.h - current.h;
1363     TXNShowSelection( m_txn, kTXNShowStart ) ; // NB: should this be kTXNShowStart or kTXNShowEnd ??
1364     theErr = TXNScroll( m_txn, kTXNScrollUnitsInPixels, kTXNScrollUnitsInPixels, &dv, &dh );
1365
1366     // there will be an error returned for classic MLTE implementation when the control is
1367     // invisible, but HITextView works correctly, so we don't assert that one
1368     // wxASSERT_MSG( theErr == noErr, _T("TXNScroll returned an error!") );
1369 }
1370
1371 void wxMacMLTEControl::SetTXNData( const wxString& st, TXNOffset start, TXNOffset end )
1372 {
1373 #if wxUSE_UNICODE
1374 #if SIZEOF_WCHAR_T == 2
1375     size_t len = st.length() ;
1376     TXNSetData( m_txn, kTXNUnicodeTextData, (void*)st.wc_str(), len * 2, start, end );
1377 #else
1378     wxMBConvUTF16 converter ;
1379     ByteCount byteBufferLen = converter.WC2MB( NULL, st.wc_str(), 0 ) ;
1380     UniChar *unibuf = (UniChar*)malloc( byteBufferLen ) ;
1381     converter.WC2MB( (char*)unibuf, st.wc_str(), byteBufferLen ) ;
1382     TXNSetData( m_txn, kTXNUnicodeTextData, (void*)unibuf, byteBufferLen, start, end ) ;
1383     free( unibuf ) ;
1384 #endif
1385 #else
1386     wxCharBuffer text = st.mb_str( wxConvLocal ) ;
1387     TXNSetData( m_txn, kTXNTextData, (void*)text.data(), strlen( text ), start, end ) ;
1388 #endif
1389 }
1390
1391 wxString wxMacMLTEControl::GetLineText(long lineNo) const
1392 {
1393     wxString line ;
1394
1395     if ( lineNo < GetNumberOfLines() )
1396     {
1397         Point firstPoint;
1398         Fixed lineWidth, lineHeight, currentHeight;
1399         long ypos ;
1400
1401         // get the first possible position in the control
1402         TXNOffsetToPoint(m_txn, 0, &firstPoint);
1403
1404         // Iterate through the lines until we reach the one we want,
1405         // adding to our current y pixel point position
1406         ypos = 0 ;
1407         currentHeight = 0;
1408         while (ypos < lineNo)
1409         {
1410             TXNGetLineMetrics(m_txn, ypos++, &lineWidth, &lineHeight);
1411             currentHeight += lineHeight;
1412         }
1413
1414         Point thePoint = { firstPoint.v + (currentHeight >> 16), firstPoint.h + (0) };
1415         TXNOffset theOffset;
1416         TXNPointToOffset(m_txn, thePoint, &theOffset);
1417
1418         wxString content = GetStringValue() ;
1419         Point currentPoint = thePoint;
1420         while (thePoint.v == currentPoint.v && theOffset < content.length())
1421         {
1422             line += content[theOffset];
1423             TXNOffsetToPoint(m_txn, ++theOffset, &currentPoint);
1424         }
1425     }
1426
1427     return line ;
1428 }
1429
1430 int wxMacMLTEControl::GetLineLength(long lineNo) const
1431 {
1432     int theLength = 0;
1433
1434     if ( lineNo < GetNumberOfLines() )
1435     {
1436         Point firstPoint;
1437         Fixed lineWidth, lineHeight, currentHeight;
1438         long ypos;
1439
1440         // get the first possible position in the control
1441         TXNOffsetToPoint(m_txn, 0, &firstPoint);
1442
1443         // Iterate through the lines until we reach the one we want,
1444         // adding to our current y pixel point position
1445         ypos = 0;
1446         currentHeight = 0;
1447         while (ypos < lineNo)
1448         {
1449             TXNGetLineMetrics(m_txn, ypos++, &lineWidth, &lineHeight);
1450             currentHeight += lineHeight;
1451         }
1452
1453         Point thePoint = { firstPoint.v + (currentHeight >> 16), firstPoint.h + (0) };
1454         TXNOffset theOffset;
1455         TXNPointToOffset(m_txn, thePoint, &theOffset);
1456
1457         wxString content = GetStringValue() ;
1458         Point currentPoint = thePoint;
1459         while (thePoint.v == currentPoint.v && theOffset < content.length())
1460         {
1461             ++theLength;
1462             TXNOffsetToPoint(m_txn, ++theOffset, &currentPoint);
1463         }
1464     }
1465
1466     return theLength ;
1467 }
1468
1469 #if MAC_OS_X_VERSION_MIN_REQUIRED < MAC_OS_X_VERSION_10_5
1470
1471 // ----------------------------------------------------------------------------
1472 // MLTE control implementation (classic part)
1473 // ----------------------------------------------------------------------------
1474
1475 // OS X Notes : We still don't have a full replacement for MLTE, so this implementation
1476 // has to live on. We have different problems coming from outdated implementations on the
1477 // various OS X versions. Most deal with the scrollbars: they are not correctly embedded
1478 // while this can be solved on 10.3 by reassigning them the correct place, on 10.2 there is
1479 // no way out, therefore we are using our own implementation and our own scrollbars ....
1480
1481 TXNScrollInfoUPP gTXNScrollInfoProc = NULL ;
1482 ControlActionUPP gTXNScrollActionProc = NULL ;
1483
1484 pascal void wxMacMLTEClassicControl::TXNScrollInfoProc(
1485     SInt32 iValue, SInt32 iMaximumValue,
1486     TXNScrollBarOrientation iScrollBarOrientation, SInt32 iRefCon )
1487 {
1488     wxMacMLTEClassicControl* mlte = (wxMacMLTEClassicControl*) iRefCon ;
1489     SInt32 value =  wxMax( iValue , 0 ) ;
1490     SInt32 maximum = wxMax( iMaximumValue , 0 ) ;
1491
1492     if ( iScrollBarOrientation == kTXNHorizontal )
1493     {
1494         if ( mlte->m_sbHorizontal )
1495         {
1496             SetControl32BitValue( mlte->m_sbHorizontal , value ) ;
1497             SetControl32BitMaximum( mlte->m_sbHorizontal , maximum ) ;
1498             mlte->m_lastHorizontalValue = value ;
1499         }
1500     }
1501     else if ( iScrollBarOrientation == kTXNVertical )
1502     {
1503         if ( mlte->m_sbVertical )
1504         {
1505             SetControl32BitValue( mlte->m_sbVertical , value ) ;
1506             SetControl32BitMaximum( mlte->m_sbVertical , maximum ) ;
1507             mlte->m_lastVerticalValue = value ;
1508         }
1509     }
1510 }
1511
1512 pascal void wxMacMLTEClassicControl::TXNScrollActionProc( ControlRef controlRef , ControlPartCode partCode )
1513 {
1514     wxMacMLTEClassicControl* mlte = (wxMacMLTEClassicControl*) GetControlReference( controlRef ) ;
1515     if ( mlte == NULL )
1516         return ;
1517
1518     if ( controlRef != mlte->m_sbVertical && controlRef != mlte->m_sbHorizontal )
1519         return ;
1520
1521     OSStatus err ;
1522     bool isHorizontal = ( controlRef == mlte->m_sbHorizontal ) ;
1523
1524     SInt32 minimum = 0 ;
1525     SInt32 maximum = GetControl32BitMaximum( controlRef ) ;
1526     SInt32 value = GetControl32BitValue( controlRef ) ;
1527     SInt32 delta = 0;
1528
1529     switch ( partCode )
1530     {
1531         case kControlDownButtonPart :
1532             delta = 10 ;
1533             break ;
1534
1535         case kControlUpButtonPart :
1536             delta = -10 ;
1537             break ;
1538
1539         case kControlPageDownPart :
1540             delta = GetControlViewSize( controlRef ) ;
1541             break ;
1542
1543         case kControlPageUpPart :
1544             delta = -GetControlViewSize( controlRef ) ;
1545             break ;
1546
1547         case kControlIndicatorPart :
1548             delta = value - (isHorizontal ? mlte->m_lastHorizontalValue : mlte->m_lastVerticalValue) ;
1549             break ;
1550
1551         default :
1552             break ;
1553     }
1554
1555     if ( delta != 0 )
1556     {
1557         SInt32 newValue = value ;
1558
1559         if ( partCode != kControlIndicatorPart )
1560         {
1561             if ( value + delta < minimum )
1562                 delta = minimum - value ;
1563             if ( value + delta > maximum )
1564                 delta = maximum - value ;
1565
1566             SetControl32BitValue( controlRef , value + delta ) ;
1567             newValue = value + delta ;
1568         }
1569
1570         SInt32 verticalDelta = isHorizontal ? 0 : delta ;
1571         SInt32 horizontalDelta = isHorizontal ? delta : 0 ;
1572
1573         err = TXNScroll(
1574             mlte->m_txn, kTXNScrollUnitsInPixels, kTXNScrollUnitsInPixels,
1575             &verticalDelta, &horizontalDelta );
1576         verify_noerr( err );
1577
1578         if ( isHorizontal )
1579             mlte->m_lastHorizontalValue = newValue ;
1580         else
1581             mlte->m_lastVerticalValue = newValue ;
1582     }
1583 }
1584
1585 // make correct activations
1586 void wxMacMLTEClassicControl::MacActivatePaneText(bool setActive)
1587 {
1588     wxTextCtrl* textctrl = (wxTextCtrl*) GetControlReference(m_controlRef);
1589
1590     wxMacWindowClipper clipper( textctrl ) ;
1591     TXNActivate( m_txn, m_txnFrameID, setActive );
1592
1593     ControlRef controlFocus = 0 ;
1594     GetKeyboardFocus( m_txnWindow , &controlFocus ) ;
1595     if ( controlFocus == m_controlRef )
1596         TXNFocus( m_txn, setActive );
1597 }
1598
1599 void wxMacMLTEClassicControl::MacFocusPaneText(bool setFocus)
1600 {
1601     TXNFocus( m_txn, setFocus );
1602 }
1603
1604 // guards against inappropriate redraw (hidden objects drawing onto window)
1605
1606 void wxMacMLTEClassicControl::MacSetObjectVisibility(bool vis)
1607 {
1608     ControlRef controlFocus = 0 ;
1609     GetKeyboardFocus( m_txnWindow , &controlFocus ) ;
1610
1611     if ( !vis && (controlFocus == m_controlRef ) )
1612         SetKeyboardFocus( m_txnWindow , m_controlRef , kControlFocusNoPart ) ;
1613
1614     TXNControlTag iControlTags[1] = { kTXNVisibilityTag };
1615     TXNControlData iControlData[1] = { { (UInt32)false } };
1616
1617     verify_noerr( TXNGetTXNObjectControls( m_txn , 1, iControlTags, iControlData ) ) ;
1618
1619     if ( iControlData[0].uValue != vis )
1620     {
1621         iControlData[0].uValue = vis ;
1622         verify_noerr( TXNSetTXNObjectControls( m_txn, false , 1, iControlTags, iControlData ) ) ;
1623     }
1624
1625     // currently, we always clip as partial visibility (overlapped) visibility is also a problem,
1626     // if we run into further problems we might set the FrameBounds to an empty rect here
1627 }
1628
1629 // make sure that the TXNObject is at the right position
1630
1631 void wxMacMLTEClassicControl::MacUpdatePosition()
1632 {
1633     wxTextCtrl* textctrl = (wxTextCtrl*)GetControlReference( m_controlRef );
1634     if ( textctrl == NULL )
1635         return ;
1636
1637     Rect bounds ;
1638     GetRectInWindowCoords( &bounds );
1639
1640     wxRect visRect = textctrl->MacGetClippedClientRect() ;
1641     Rect visBounds = { visRect.y , visRect.x , visRect.y + visRect.height , visRect.x + visRect.width } ;
1642     int x , y ;
1643     x = y = 0 ;
1644     textctrl->MacWindowToRootWindow( &x , &y ) ;
1645     OffsetRect( &visBounds , x , y ) ;
1646
1647     if ( !EqualRect( &bounds, &m_txnControlBounds ) || !EqualRect( &visBounds, &m_txnVisBounds ) )
1648     {
1649         m_txnControlBounds = bounds ;
1650         m_txnVisBounds = visBounds ;
1651         wxMacWindowClipper cl( textctrl ) ;
1652
1653         if ( m_sbHorizontal || m_sbVertical )
1654         {
1655             int w = bounds.right - bounds.left ;
1656             int h = bounds.bottom - bounds.top ;
1657
1658             if ( m_sbHorizontal )
1659             {
1660                 Rect sbBounds ;
1661
1662                 sbBounds.left = -1 ;
1663                 sbBounds.top = h - 14 ;
1664                 sbBounds.right = w + 1 ;
1665                 sbBounds.bottom = h + 1 ;
1666
1667                 SetControlBounds( m_sbHorizontal , &sbBounds ) ;
1668                 SetControlViewSize( m_sbHorizontal , w ) ;
1669             }
1670
1671             if ( m_sbVertical )
1672             {
1673                 Rect sbBounds ;
1674
1675                 sbBounds.left = w - 14 ;
1676                 sbBounds.top = -1 ;
1677                 sbBounds.right = w + 1 ;
1678                 sbBounds.bottom = m_sbHorizontal ? h - 14 : h + 1 ;
1679
1680                 SetControlBounds( m_sbVertical , &sbBounds ) ;
1681                 SetControlViewSize( m_sbVertical , h ) ;
1682             }
1683         }
1684
1685         Rect oldviewRect ;
1686         TXNLongRect olddestRect ;
1687         TXNGetRectBounds( m_txn , &oldviewRect , &olddestRect , NULL ) ;
1688
1689         Rect viewRect = { m_txnControlBounds.top, m_txnControlBounds.left,
1690             m_txnControlBounds.bottom - ( m_sbHorizontal ? 14 : 0 ) ,
1691             m_txnControlBounds.right - ( m_sbVertical ? 14 : 0 ) } ;
1692         TXNLongRect destRect = { m_txnControlBounds.top, m_txnControlBounds.left,
1693             m_txnControlBounds.bottom - ( m_sbHorizontal ? 14 : 0 ) ,
1694             m_txnControlBounds.right - ( m_sbVertical ? 14 : 0 ) } ;
1695
1696         if ( olddestRect.right >= 10000 )
1697             destRect.right = destRect.left + 32000 ;
1698
1699         if ( olddestRect.bottom >= 0x20000000 )
1700             destRect.bottom = destRect.top + 0x40000000 ;
1701
1702         SectRect( &viewRect , &visBounds , &viewRect ) ;
1703         TXNSetRectBounds( m_txn , &viewRect , &destRect , true ) ;
1704
1705 #if 0
1706         TXNSetFrameBounds(
1707             m_txn,
1708             m_txnControlBounds.top,
1709             m_txnControlBounds.left,
1710             m_txnControlBounds.bottom - (m_sbHorizontal ? 14 : 0),
1711             m_txnControlBounds.right - (m_sbVertical ? 14 : 0),
1712             m_txnFrameID );
1713 #endif
1714
1715         // the SetFrameBounds method under Classic sometimes does not correctly scroll a selection into sight after a
1716         // movement, therefore we have to force it
1717
1718         // this problem has been reported in OSX as well, so we use this here once again
1719
1720         TXNLongRect textRect ;
1721         TXNGetRectBounds( m_txn , NULL , NULL , &textRect ) ;
1722         if ( textRect.left < m_txnControlBounds.left )
1723             TXNShowSelection( m_txn , kTXNShowStart ) ;
1724     }
1725 }
1726
1727 void wxMacMLTEClassicControl::Move(int x, int y, int width, int height)
1728 {
1729     wxMacControl::Move(x,y,width,height) ;
1730     MacUpdatePosition() ;
1731 }
1732
1733 void wxMacMLTEClassicControl::MacControlUserPaneDrawProc(wxInt16 WXUNUSED(thePart))
1734 {
1735     wxTextCtrl* textctrl = (wxTextCtrl*)GetControlReference( m_controlRef );
1736     if ( textctrl == NULL )
1737         return ;
1738
1739     if ( textctrl->IsShownOnScreen() )
1740     {
1741         wxMacWindowClipper clipper( textctrl ) ;
1742         TXNDraw( m_txn , NULL ) ;
1743     }
1744 }
1745
1746 wxInt16 wxMacMLTEClassicControl::MacControlUserPaneHitTestProc(wxInt16 x, wxInt16 y)
1747 {
1748     Point where = { y , x } ;
1749     ControlPartCode result = kControlNoPart;
1750
1751     wxTextCtrl* textctrl = (wxTextCtrl*) GetControlReference( m_controlRef );
1752     if ( (textctrl != NULL) && textctrl->IsShownOnScreen() )
1753     {
1754         if (PtInRect( where, &m_txnControlBounds ))
1755         {
1756             result = kControlEditTextPart ;
1757         }
1758         else
1759         {
1760             // sometimes we get the coords also in control local coordinates, therefore test again
1761             int x = 0 , y = 0 ;
1762             textctrl->MacClientToRootWindow( &x , &y ) ;
1763             where.h += x ;
1764             where.v += y ;
1765
1766             if (PtInRect( where, &m_txnControlBounds ))
1767                 result = kControlEditTextPart ;
1768         }
1769     }
1770
1771     return result;
1772 }
1773
1774 wxInt16 wxMacMLTEClassicControl::MacControlUserPaneTrackingProc( wxInt16 x, wxInt16 y, void* WXUNUSED(actionProc) )
1775 {
1776     ControlPartCode result = kControlNoPart;
1777
1778     wxTextCtrl* textctrl = (wxTextCtrl*) GetControlReference( m_controlRef );
1779     if ( (textctrl != NULL) && textctrl->IsShownOnScreen() )
1780     {
1781         Point startPt = { y , x } ;
1782
1783         // for compositing, we must convert these into toplevel window coordinates, because hittesting expects them
1784         int x = 0 , y = 0 ;
1785         textctrl->MacClientToRootWindow( &x , &y ) ;
1786         startPt.h += x ;
1787         startPt.v += y ;
1788
1789         switch (MacControlUserPaneHitTestProc( startPt.h , startPt.v ))
1790         {
1791             case kControlEditTextPart :
1792             {
1793                 wxMacWindowClipper clipper( textctrl ) ;
1794                 EventRecord rec ;
1795
1796                 ConvertEventRefToEventRecord( (EventRef) wxTheApp->MacGetCurrentEvent() , &rec ) ;
1797                 TXNClick( m_txn, &rec );
1798             }
1799                 break;
1800
1801             default :
1802                 break;
1803         }
1804     }
1805
1806     return result;
1807 }
1808
1809 void wxMacMLTEClassicControl::MacControlUserPaneIdleProc()
1810 {
1811     wxTextCtrl* textctrl = (wxTextCtrl*)GetControlReference( m_controlRef );
1812     if ( textctrl == NULL )
1813         return ;
1814
1815     if (textctrl->IsShownOnScreen())
1816     {
1817         if (IsControlActive(m_controlRef))
1818         {
1819             Point mousep;
1820
1821             wxMacWindowClipper clipper( textctrl ) ;
1822             GetMouse(&mousep);
1823
1824             TXNIdle(m_txn);
1825
1826             if (PtInRect(mousep, &m_txnControlBounds))
1827             {
1828                 RgnHandle theRgn = NewRgn();
1829                 RectRgn(theRgn, &m_txnControlBounds);
1830                 TXNAdjustCursor(m_txn, theRgn);
1831                 DisposeRgn(theRgn);
1832             }
1833         }
1834     }
1835 }
1836
1837 wxInt16 wxMacMLTEClassicControl::MacControlUserPaneKeyDownProc (wxInt16 keyCode, wxInt16 charCode, wxInt16 modifiers)
1838 {
1839     wxTextCtrl* textctrl = (wxTextCtrl*)GetControlReference( m_controlRef );
1840     if ( textctrl == NULL )
1841         return kControlNoPart;
1842
1843     wxMacWindowClipper clipper( textctrl ) ;
1844
1845     EventRecord ev ;
1846     memset( &ev , 0 , sizeof( ev ) ) ;
1847     ev.what = keyDown ;
1848     ev.modifiers = modifiers ;
1849     ev.message = ((keyCode << 8) & keyCodeMask) | (charCode & charCodeMask);
1850     TXNKeyDown( m_txn , &ev );
1851
1852     return kControlEntireControl;
1853 }
1854
1855 void wxMacMLTEClassicControl::MacControlUserPaneActivateProc(bool activating)
1856 {
1857     MacActivatePaneText( activating );
1858 }
1859
1860 wxInt16 wxMacMLTEClassicControl::MacControlUserPaneFocusProc(wxInt16 action)
1861 {
1862     ControlPartCode focusResult = kControlFocusNoPart;
1863
1864     wxTextCtrl* textctrl = (wxTextCtrl*)GetControlReference( m_controlRef );
1865     if ( textctrl == NULL )
1866         return focusResult;
1867
1868     wxMacWindowClipper clipper( textctrl ) ;
1869
1870     ControlRef controlFocus = NULL ;
1871     GetKeyboardFocus( m_txnWindow , &controlFocus ) ;
1872     bool wasFocused = ( controlFocus == m_controlRef ) ;
1873
1874     switch (action)
1875     {
1876         case kControlFocusPrevPart:
1877         case kControlFocusNextPart:
1878             MacFocusPaneText( !wasFocused );
1879             focusResult = (!wasFocused ? (ControlPartCode) kControlEditTextPart : (ControlPartCode) kControlFocusNoPart);
1880             break;
1881
1882         case kControlFocusNoPart:
1883         default:
1884             MacFocusPaneText( false );
1885             focusResult = kControlFocusNoPart;
1886             break;
1887     }
1888
1889     return focusResult;
1890 }
1891
1892 void wxMacMLTEClassicControl::MacControlUserPaneBackgroundProc( void *WXUNUSED(info) )
1893 {
1894 }
1895
1896 wxMacMLTEClassicControl::wxMacMLTEClassicControl( wxTextCtrl *wxPeer,
1897     const wxString& str,
1898     const wxPoint& pos,
1899     const wxSize& size, long style )
1900     : wxMacMLTEControl( wxPeer )
1901 {
1902     m_font = wxPeer->GetFont() ;
1903     m_windowStyle = style ;
1904     Rect bounds = wxMacGetBoundsForControl( wxPeer , pos , size ) ;
1905
1906     short featureSet =
1907         kControlSupportsEmbedding | kControlSupportsFocus | kControlWantsIdle
1908         | kControlWantsActivate  | kControlHandlesTracking
1909 //    | kControlHasSpecialBackground
1910         | kControlGetsFocusOnClick | kControlSupportsLiveFeedback;
1911
1912    OSStatus err = ::CreateUserPaneControl(
1913         MAC_WXHWND(wxPeer->GetParent()->MacGetTopLevelWindowRef()),
1914         &bounds, featureSet, &m_controlRef );
1915     verify_noerr( err );
1916
1917     DoCreate();
1918
1919     AdjustCreationAttributes( *wxWHITE , true ) ;
1920
1921     MacSetObjectVisibility( wxPeer->IsShownOnScreen() ) ;
1922
1923     {
1924         wxString st = str ;
1925         wxMacConvertNewlines10To13( &st ) ;
1926         wxMacWindowClipper clipper( GetWXPeer() ) ;
1927         SetTXNData( st , kTXNStartOffset, kTXNEndOffset ) ;
1928         TXNSetSelection( m_txn, 0, 0 ) ;
1929     }
1930 }
1931
1932 wxMacMLTEClassicControl::~wxMacMLTEClassicControl()
1933 {
1934     TXNDeleteObject( m_txn );
1935     m_txn = NULL ;
1936 }
1937
1938 void wxMacMLTEClassicControl::VisibilityChanged(bool shown)
1939 {
1940     MacSetObjectVisibility( shown ) ;
1941     wxMacControl::VisibilityChanged( shown ) ;
1942 }
1943
1944 void wxMacMLTEClassicControl::SuperChangedPosition()
1945 {
1946     MacUpdatePosition() ;
1947     wxMacControl::SuperChangedPosition() ;
1948 }
1949
1950 ControlUserPaneDrawUPP gTPDrawProc = NULL;
1951 ControlUserPaneHitTestUPP gTPHitProc = NULL;
1952 ControlUserPaneTrackingUPP gTPTrackProc = NULL;
1953 ControlUserPaneIdleUPP gTPIdleProc = NULL;
1954 ControlUserPaneKeyDownUPP gTPKeyProc = NULL;
1955 ControlUserPaneActivateUPP gTPActivateProc = NULL;
1956 ControlUserPaneFocusUPP gTPFocusProc = NULL;
1957
1958 static pascal void wxMacControlUserPaneDrawProc(ControlRef control, SInt16 part)
1959 {
1960     wxTextCtrl *textCtrl =  wxDynamicCast( wxFindWindowFromWXWidget( (WXWidget) control) , wxTextCtrl ) ;
1961     wxMacMLTEClassicControl * win = textCtrl ? (wxMacMLTEClassicControl*)(textCtrl->GetPeer()) : NULL ;
1962     if ( win )
1963         win->MacControlUserPaneDrawProc( part ) ;
1964 }
1965
1966 static pascal ControlPartCode wxMacControlUserPaneHitTestProc(ControlRef control, Point where)
1967 {
1968     wxTextCtrl *textCtrl =  wxDynamicCast( wxFindWindowFromWXWidget( (WXWidget) control) , wxTextCtrl ) ;
1969     wxMacMLTEClassicControl * win = textCtrl ? (wxMacMLTEClassicControl*)(textCtrl->GetPeer()) : NULL ;
1970     if ( win )
1971         return win->MacControlUserPaneHitTestProc( where.h , where.v ) ;
1972     else
1973         return kControlNoPart ;
1974 }
1975
1976 static pascal ControlPartCode wxMacControlUserPaneTrackingProc(ControlRef control, Point startPt, ControlActionUPP actionProc)
1977 {
1978     wxTextCtrl *textCtrl =  wxDynamicCast( wxFindWindowFromWXWidget( (WXWidget) control) , wxTextCtrl ) ;
1979     wxMacMLTEClassicControl * win = textCtrl ? (wxMacMLTEClassicControl*)(textCtrl->GetPeer()) : NULL ;
1980     if ( win )
1981         return win->MacControlUserPaneTrackingProc( startPt.h , startPt.v , (void*) actionProc ) ;
1982     else
1983         return kControlNoPart ;
1984 }
1985
1986 static pascal void wxMacControlUserPaneIdleProc(ControlRef control)
1987 {
1988     wxTextCtrl *textCtrl =  wxDynamicCast( wxFindWindowFromWXWidget((WXWidget) control) , wxTextCtrl ) ;
1989     wxMacMLTEClassicControl * win = textCtrl ? (wxMacMLTEClassicControl*)(textCtrl->GetPeer()) : NULL ;
1990     if ( win )
1991         win->MacControlUserPaneIdleProc() ;
1992 }
1993
1994 static pascal ControlPartCode wxMacControlUserPaneKeyDownProc(ControlRef control, SInt16 keyCode, SInt16 charCode, SInt16 modifiers)
1995 {
1996     wxTextCtrl *textCtrl =  wxDynamicCast( wxFindWindowFromWXWidget((WXWidget) control) , wxTextCtrl ) ;
1997     wxMacMLTEClassicControl * win = textCtrl ? (wxMacMLTEClassicControl*)(textCtrl->GetPeer()) : NULL ;
1998     if ( win )
1999         return win->MacControlUserPaneKeyDownProc( keyCode, charCode, modifiers ) ;
2000     else
2001         return kControlNoPart ;
2002 }
2003
2004 static pascal void wxMacControlUserPaneActivateProc(ControlRef control, Boolean activating)
2005 {
2006     wxTextCtrl *textCtrl =  wxDynamicCast( wxFindWindowFromWXWidget( (WXWidget)control) , wxTextCtrl ) ;
2007     wxMacMLTEClassicControl * win = textCtrl ? (wxMacMLTEClassicControl*)(textCtrl->GetPeer()) : NULL ;
2008     if ( win )
2009         win->MacControlUserPaneActivateProc( activating ) ;
2010 }
2011
2012 static pascal ControlPartCode wxMacControlUserPaneFocusProc(ControlRef control, ControlFocusPart action)
2013 {
2014     wxTextCtrl *textCtrl =  wxDynamicCast( wxFindWindowFromWXWidget((WXWidget) control) , wxTextCtrl ) ;
2015     wxMacMLTEClassicControl * win = textCtrl ? (wxMacMLTEClassicControl*)(textCtrl->GetPeer()) : NULL ;
2016     if ( win )
2017         return win->MacControlUserPaneFocusProc( action ) ;
2018     else
2019         return kControlNoPart ;
2020 }
2021
2022 #if 0
2023 static pascal void wxMacControlUserPaneBackgroundProc(ControlRef control, ControlBackgroundPtr info)
2024 {
2025     wxTextCtrl *textCtrl =  wxDynamicCast( wxFindWindowFromWXWidget(control) , wxTextCtrl ) ;
2026     wxMacMLTEClassicControl * win = textCtrl ? (wxMacMLTEClassicControl*)(textCtrl->GetPeer()) : NULL ;
2027     if ( win )
2028         win->MacControlUserPaneBackgroundProc(info) ;
2029 }
2030 #endif
2031
2032 // TXNRegisterScrollInfoProc
2033
2034 OSStatus wxMacMLTEClassicControl::DoCreate()
2035 {
2036     Rect bounds;
2037     OSStatus err = noErr ;
2038
2039     // set up our globals
2040     if (gTPDrawProc == NULL) gTPDrawProc = NewControlUserPaneDrawUPP(wxMacControlUserPaneDrawProc);
2041     if (gTPHitProc == NULL) gTPHitProc = NewControlUserPaneHitTestUPP(wxMacControlUserPaneHitTestProc);
2042     if (gTPTrackProc == NULL) gTPTrackProc = NewControlUserPaneTrackingUPP(wxMacControlUserPaneTrackingProc);
2043     if (gTPIdleProc == NULL) gTPIdleProc = NewControlUserPaneIdleUPP(wxMacControlUserPaneIdleProc);
2044     if (gTPKeyProc == NULL) gTPKeyProc = NewControlUserPaneKeyDownUPP(wxMacControlUserPaneKeyDownProc);
2045     if (gTPActivateProc == NULL) gTPActivateProc = NewControlUserPaneActivateUPP(wxMacControlUserPaneActivateProc);
2046     if (gTPFocusProc == NULL) gTPFocusProc = NewControlUserPaneFocusUPP(wxMacControlUserPaneFocusProc);
2047
2048     if (gTXNScrollInfoProc == NULL ) gTXNScrollInfoProc = NewTXNScrollInfoUPP(TXNScrollInfoProc) ;
2049     if (gTXNScrollActionProc == NULL ) gTXNScrollActionProc = NewControlActionUPP(TXNScrollActionProc) ;
2050
2051     // set the initial settings for our private data
2052
2053     m_txnWindow = GetControlOwner(m_controlRef);
2054     m_txnPort = (GrafPtr) GetWindowPort(m_txnWindow);
2055
2056     // set up the user pane procedures
2057     SetControlData(m_controlRef, kControlEntireControl, kControlUserPaneDrawProcTag, sizeof(gTPDrawProc), &gTPDrawProc);
2058     SetControlData(m_controlRef, kControlEntireControl, kControlUserPaneHitTestProcTag, sizeof(gTPHitProc), &gTPHitProc);
2059     SetControlData(m_controlRef, kControlEntireControl, kControlUserPaneTrackingProcTag, sizeof(gTPTrackProc), &gTPTrackProc);
2060     SetControlData(m_controlRef, kControlEntireControl, kControlUserPaneIdleProcTag, sizeof(gTPIdleProc), &gTPIdleProc);
2061     SetControlData(m_controlRef, kControlEntireControl, kControlUserPaneKeyDownProcTag, sizeof(gTPKeyProc), &gTPKeyProc);
2062     SetControlData(m_controlRef, kControlEntireControl, kControlUserPaneActivateProcTag, sizeof(gTPActivateProc), &gTPActivateProc);
2063     SetControlData(m_controlRef, kControlEntireControl, kControlUserPaneFocusProcTag, sizeof(gTPFocusProc), &gTPFocusProc);
2064
2065     // calculate the rectangles used by the control
2066     GetRectInWindowCoords( &bounds );
2067
2068     m_txnControlBounds = bounds ;
2069     m_txnVisBounds = bounds ;
2070
2071     CGrafPtr origPort ;
2072     GDHandle origDev ;
2073
2074     GetGWorld( &origPort, &origDev ) ;
2075     SetPort( m_txnPort );
2076
2077     // create the new edit field
2078     TXNFrameOptions frameOptions = FrameOptionsFromWXStyle( m_windowStyle );
2079
2080     // the scrollbars are not correctly embedded but are inserted at the root:
2081     // this gives us problems as we have erratic redraws even over the structure area
2082
2083     m_sbHorizontal = 0 ;
2084     m_sbVertical = 0 ;
2085     m_lastHorizontalValue = 0 ;
2086     m_lastVerticalValue = 0 ;
2087
2088     Rect sb = { 0 , 0 , 0 , 0 } ;
2089     if ( frameOptions & kTXNWantVScrollBarMask )
2090     {
2091         CreateScrollBarControl( m_txnWindow, &sb, 0, 0, 100, 1, true, gTXNScrollActionProc, &m_sbVertical );
2092         SetControlReference( m_sbVertical, (SInt32)this );
2093         SetControlAction( m_sbVertical, gTXNScrollActionProc );
2094         ShowControl( m_sbVertical );
2095         EmbedControl( m_sbVertical , m_controlRef );
2096         frameOptions &= ~kTXNWantVScrollBarMask;
2097     }
2098
2099     if ( frameOptions & kTXNWantHScrollBarMask )
2100     {
2101         CreateScrollBarControl( m_txnWindow, &sb, 0, 0, 100, 1, true, gTXNScrollActionProc, &m_sbHorizontal );
2102         SetControlReference( m_sbHorizontal, (SInt32)this );
2103         SetControlAction( m_sbHorizontal, gTXNScrollActionProc );
2104         ShowControl( m_sbHorizontal );
2105         EmbedControl( m_sbHorizontal, m_controlRef );
2106         frameOptions &= ~(kTXNWantHScrollBarMask | kTXNDrawGrowIconMask);
2107     }
2108
2109     err = TXNNewObject(
2110         NULL, m_txnWindow, &bounds, frameOptions,
2111         kTXNTextEditStyleFrameType, kTXNTextensionFile, kTXNSystemDefaultEncoding,
2112         &m_txn, &m_txnFrameID, NULL );
2113     verify_noerr( err );
2114
2115 #if 0
2116     TXNControlTag iControlTags[] = { kTXNUseCarbonEvents };
2117     TXNControlData iControlData[] = { { (UInt32)&cInfo } };
2118     int toptag = WXSIZEOF( iControlTags ) ;
2119     TXNCarbonEventInfo cInfo ;
2120     cInfo.useCarbonEvents = false ;
2121     cInfo.filler = 0 ;
2122     cInfo.flags = 0 ;
2123     cInfo.fDictionary = NULL ;
2124
2125     verify_noerr( TXNSetTXNObjectControls( m_txn, false, toptag, iControlTags, iControlData ) );
2126 #endif
2127
2128     TXNRegisterScrollInfoProc( m_txn, gTXNScrollInfoProc, (SInt32)this );
2129
2130     SetGWorld( origPort , origDev ) ;
2131
2132     return err;
2133 }
2134 #endif
2135
2136 // ----------------------------------------------------------------------------
2137 // MLTE control implementation (OSX part)
2138 // ----------------------------------------------------------------------------
2139
2140 // tiger multi-line textcontrols with no CR in the entire content
2141 // don't scroll automatically, so we need a hack.
2142 // This attempt only works 'before' the key (ie before CallNextEventHandler)
2143 // is processed, thus the scrolling always occurs one character too late, but
2144 // better than nothing ...
2145
2146 static const EventTypeSpec eventList[] =
2147 {
2148     { kEventClassTextInput, kEventTextInputUnicodeForKeyEvent } ,
2149 } ;
2150
2151 static pascal OSStatus wxMacUnicodeTextEventHandler( EventHandlerCallRef handler , EventRef event , void *data )
2152 {
2153     OSStatus result = eventNotHandledErr ;
2154     wxMacMLTEHIViewControl* focus = (wxMacMLTEHIViewControl*) data ;
2155
2156     switch ( GetEventKind( event ) )
2157     {
2158         case kEventTextInputUnicodeForKeyEvent :
2159         {
2160             TXNOffset from , to ;
2161             TXNGetSelection( focus->GetTXNObject() , &from , &to ) ;
2162             if ( from == to )
2163                 TXNShowSelection( focus->GetTXNObject() , kTXNShowStart );
2164             result = CallNextEventHandler(handler,event);
2165             break;
2166         }
2167         default:
2168             break ;
2169     }
2170
2171     return result ;
2172 }
2173
2174 static pascal OSStatus wxMacTextControlEventHandler( EventHandlerCallRef handler , EventRef event , void *data )
2175 {
2176     OSStatus result = eventNotHandledErr ;
2177
2178     switch ( GetEventClass( event ) )
2179     {
2180         case kEventClassTextInput :
2181             result = wxMacUnicodeTextEventHandler( handler , event , data ) ;
2182             break ;
2183
2184         default :
2185             break ;
2186     }
2187     return result ;
2188 }
2189
2190 DEFINE_ONE_SHOT_HANDLER_GETTER( wxMacTextControlEventHandler )
2191
2192 wxMacMLTEHIViewControl::wxMacMLTEHIViewControl( wxTextCtrl *wxPeer,
2193     const wxString& str,
2194     const wxPoint& pos,
2195     const wxSize& size, long style ) : wxMacMLTEControl( wxPeer )
2196 {
2197     m_font = wxPeer->GetFont() ;
2198     m_windowStyle = style ;
2199     Rect bounds = wxMacGetBoundsForControl( wxPeer , pos , size ) ;
2200     wxString st = str ;
2201     wxMacConvertNewlines10To13( &st ) ;
2202
2203     HIRect hr = {
2204         { bounds.left , bounds.top },
2205         { bounds.right - bounds.left, bounds.bottom - bounds.top } } ;
2206
2207     m_scrollView = NULL ;
2208     TXNFrameOptions frameOptions = FrameOptionsFromWXStyle( style ) ;
2209     if (( frameOptions & (kTXNWantVScrollBarMask | kTXNWantHScrollBarMask)) || (frameOptions &kTXNSingleLineOnlyMask))
2210     {
2211         if ( frameOptions & (kTXNWantVScrollBarMask | kTXNWantHScrollBarMask) )
2212         {
2213             HIScrollViewCreate(
2214                 (frameOptions & kTXNWantHScrollBarMask ? kHIScrollViewOptionsHorizScroll : 0)
2215                 | (frameOptions & kTXNWantVScrollBarMask ? kHIScrollViewOptionsVertScroll : 0) ,
2216                 &m_scrollView ) ;
2217         }
2218         else
2219         {
2220             HIScrollViewCreate(kHIScrollViewOptionsVertScroll,&m_scrollView);
2221             HIScrollViewSetScrollBarAutoHide(m_scrollView,true);
2222         }
2223
2224         HIViewSetFrame( m_scrollView, &hr );
2225         HIViewSetVisible( m_scrollView, true );
2226     }
2227
2228     m_textView = NULL ;
2229     HITextViewCreate( NULL , 0, frameOptions , &m_textView ) ;
2230     m_txn = HITextViewGetTXNObject( m_textView ) ;
2231     HIViewSetVisible( m_textView , true ) ;
2232     if ( m_scrollView )
2233     {
2234         HIViewAddSubview( m_scrollView , m_textView ) ;
2235         m_controlRef = m_scrollView ;
2236         wxMacControl::MacInstallEventHandler( m_textView, wxPeer ) ;
2237     }
2238     else
2239     {
2240         HIViewSetFrame( m_textView, &hr );
2241         m_controlRef = m_textView ;
2242     }
2243
2244     AdjustCreationAttributes( *wxWHITE , true ) ;
2245 #ifndef __LP64__
2246     wxMacWindowClipper c( GetWXPeer() ) ;
2247 #endif
2248     SetTXNData( st , kTXNStartOffset, kTXNEndOffset ) ;
2249
2250     TXNSetSelection( m_txn, 0, 0 );
2251     TXNShowSelection( m_txn, kTXNShowStart );
2252
2253     ::InstallControlEventHandler( m_textView , GetwxMacTextControlEventHandlerUPP(),
2254                                 GetEventTypeCount(eventList), eventList, this,
2255                                 NULL);
2256 }
2257
2258 wxMacMLTEHIViewControl::~wxMacMLTEHIViewControl()
2259 {
2260 }
2261
2262 OSStatus wxMacMLTEHIViewControl::SetFocus( ControlFocusPart focusPart )
2263 {
2264     return SetKeyboardFocus( GetControlOwner( m_textView ), m_textView, focusPart ) ;
2265 }
2266
2267 bool wxMacMLTEHIViewControl::HasFocus() const
2268 {
2269     ControlRef control ;
2270     if ( GetUserFocusWindow() == NULL )
2271         return false;
2272
2273     GetKeyboardFocus( GetUserFocusWindow() , &control ) ;
2274     return control == m_textView ;
2275 }
2276
2277 void wxMacMLTEHIViewControl::SetBackgroundColour(const wxColour& col )
2278 {
2279     HITextViewSetBackgroundColor( m_textView, col.GetPixel() );
2280 }
2281
2282 #endif // wxUSE_TEXTCTRL