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     wxDECLARE_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     wxDECLARE_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 wxMacControl, public wxTextWidgetImpl
 222 {
 223 public :
 224     wxMacMLTEControl( wxTextCtrl *peer ) ;
 225     ~wxMacMLTEControl() {}
 226
 227     virtual bool        CanFocus() const
 228                         { return true; }
 229
 230     virtual wxString GetStringValue() const ;
 231     virtual void SetStringValue( const wxString &str ) ;
 232
 233     static TXNFrameOptions FrameOptionsFromWXStyle( long wxStyle ) ;
 234
 235     void AdjustCreationAttributes( const wxColour& background, bool visible ) ;
 236
 237     virtual void SetFont( const wxFont & font, const wxColour& foreground, long windowStyle, bool ignoreBlack ) ;
 238     virtual void SetBackgroundColour(const wxColour& col );
 239     virtual void SetStyle( long start, long end, const wxTextAttr& style ) ;
 240     virtual void Copy() ;
 241     virtual void Cut() ;
 242     virtual void Paste() ;
 243     virtual bool CanPaste() const ;
 244     virtual void SetEditable( bool editable ) ;
 245     virtual long GetLastPosition() const ;
 246     virtual void Replace( long from, long to, const wxString &str ) ;
 247     virtual void Remove( long from, long to ) ;
 248     virtual void GetSelection( long* from, long* to ) const ;
 249     virtual void SetSelection( long from, long to ) ;
 250
 251     virtual void WriteText( const wxString& str ) ;
 252
 253     virtual bool HasOwnContextMenu() const
 254     {
 255         TXNCommandEventSupportOptions options ;
 256         TXNGetCommandEventSupport( m_txn , & options ) ;
 257         return options & kTXNSupportEditCommandProcessing ;
 258     }
 259
 260     virtual void CheckSpelling(bool check)
 261     {
 262         TXNSetSpellCheckAsYouType( m_txn, (Boolean) check );
 263     }
 264     virtual void Clear() ;
 265
 266     virtual bool CanUndo() const ;
 267     virtual void Undo() ;
 268     virtual bool CanRedo()  const;
 269     virtual void Redo() ;
 270     virtual int GetNumberOfLines() const ;
 271     virtual long XYToPosition(long x, long y) const ;
 272     virtual bool PositionToXY(long pos, long *x, long *y) const ;
 273     virtual void ShowPosition( long pos ) ;
 274     virtual int GetLineLength(long lineNo) const ;
 275     virtual wxString GetLineText(long lineNo) const ;
 276
 277     void SetTXNData( const wxString& st , TXNOffset start , TXNOffset end ) ;
 278     TXNObject GetTXNObject() { return m_txn ; }
 279
 280 protected :
 281     void TXNSetAttribute( const wxTextAttr& style , long from , long to ) ;
 282
 283     TXNObject m_txn ;
 284 } ;
 285
 286 // implementation available under OSX
 287
 288 class wxMacMLTEHIViewControl : public wxMacMLTEControl
 289 {
 290 public :
 291     wxMacMLTEHIViewControl( wxTextCtrl *wxPeer,
 292                              const wxString& str,
 293                              const wxPoint& pos,
 294                              const wxSize& size, long style ) ;
 295     virtual ~wxMacMLTEHIViewControl() ;
 296
 297     virtual bool SetFocus() ;
 298     virtual bool HasFocus() const ;
 299     virtual void SetBackgroundColour(const wxColour& col ) ;
 300
 301 protected :
 302     HIViewRef m_scrollView ;
 303     HIViewRef m_textView ;
 304 };
 305
 306 // 'classic' MLTE implementation
 307
 308 class wxMacMLTEClassicControl : public wxMacMLTEControl
 309 {
 310 public :
 311     wxMacMLTEClassicControl( wxTextCtrl *wxPeer,
 312                              const wxString& str,
 313                              const wxPoint& pos,
 314                              const wxSize& size, long style ) ;
 315     virtual ~wxMacMLTEClassicControl() ;
 316
 317     virtual void VisibilityChanged(bool shown) ;
 318     virtual void SuperChangedPosition() ;
 319
 320     virtual void            MacControlUserPaneDrawProc(wxInt16 part) ;
 321     virtual wxInt16         MacControlUserPaneHitTestProc(wxInt16 x, wxInt16 y) ;
 322     virtual wxInt16         MacControlUserPaneTrackingProc(wxInt16 x, wxInt16 y, void* actionProc) ;
 323     virtual void            MacControlUserPaneIdleProc() ;
 324     virtual wxInt16         MacControlUserPaneKeyDownProc(wxInt16 keyCode, wxInt16 charCode, wxInt16 modifiers) ;
 325     virtual void            MacControlUserPaneActivateProc(bool activating) ;
 326     virtual wxInt16         MacControlUserPaneFocusProc(wxInt16 action) ;
 327     virtual void            MacControlUserPaneBackgroundProc(void* info) ;
 328
 329     virtual bool SetupCursor( const wxPoint& WXUNUSED(pt) )
 330     {
 331         MacControlUserPaneIdleProc();
 332         return true;
 333     }
 334
 335     virtual void            Move(int x, int y, int width, int height);
 336
 337 protected :
 338     OSStatus                 DoCreate();
 339
 340     void                    MacUpdatePosition() ;
 341     void                    MacActivatePaneText(bool setActive) ;
 342     void                    MacFocusPaneText(bool setFocus) ;
 343     void                    MacSetObjectVisibility(bool vis) ;
 344
 345 private :
 346     TXNFrameID              m_txnFrameID ;
 347     GrafPtr                 m_txnPort ;
 348     WindowRef               m_txnWindow ;
 349     // bounds of the control as we last did set the txn frames
 350     Rect                    m_txnControlBounds ;
 351     Rect                    m_txnVisBounds ;
 352
 353     static pascal void TXNScrollActionProc( ControlRef controlRef , ControlPartCode partCode ) ;
 354     static pascal void TXNScrollInfoProc(
 355         SInt32 iValue, SInt32 iMaximumValue,
 356         TXNScrollBarOrientation iScrollBarOrientation, SInt32 iRefCon ) ;
 357
 358     ControlRef              m_sbHorizontal ;
 359     SInt32                  m_lastHorizontalValue ;
 360     ControlRef              m_sbVertical ;
 361     SInt32                  m_lastVerticalValue ;
 362 };
 363
 364 wxWidgetImplType* wxWidgetImpl::CreateTextControl( wxTextCtrl* wxpeer,
 365                                     wxWindowMac* WXUNUSED(parent),
 366                                     wxWindowID WXUNUSED(id),
 367                                     const wxString& str,
 368                                     const wxPoint& pos,
 369                                     const wxSize& size,
 370                                     long style,
 371                                     long WXUNUSED(extraStyle))
 372 {
 373     bool forceMLTE = false ;
 374
 375 #if wxUSE_SYSTEM_OPTIONS
 376     if (wxSystemOptions::HasOption( wxMAC_TEXTCONTROL_USE_MLTE ) && (wxSystemOptions::GetOptionInt( wxMAC_TEXTCONTROL_USE_MLTE ) == 1))
 377     {
 378         forceMLTE = true ;
 379     }
 380 #endif
 381
 382     if ( UMAGetSystemVersion() >= 0x1050 )
 383         forceMLTE = false;
 384
 385     wxMacControl*  peer = NULL;
 386
 387     if ( !forceMLTE )
 388     {
 389         if ( style & wxTE_MULTILINE || ( UMAGetSystemVersion() >= 0x1050 ) )
 390             peer = new wxMacMLTEHIViewControl( wxpeer , str , pos , size , style ) ;
 391     }
 392
 393     if ( !peer )
 394     {
 395         if ( !(style & wxTE_MULTILINE) && !forceMLTE )
 396         {
 397             peer = new wxMacUnicodeTextControl( wxpeer , str , pos , size , style ) ;
 398         }
 399     }
 400
 401     // the horizontal single line scrolling bug that made us keep the classic implementation
 402     // is fixed in 10.5
 403 #if MAC_OS_X_VERSION_MIN_REQUIRED < MAC_OS_X_VERSION_10_5
 404     if ( !peer )
 405         peer = new wxMacMLTEClassicControl( wxpeer , str , pos , size , style ) ;
 406 #endif
 407     return peer;
 408 }
 409
 410 // ----------------------------------------------------------------------------
 411 // standard unicode control implementation
 412 // ----------------------------------------------------------------------------
 413
 414 // the current unicode textcontrol implementation has a bug : only if the control
 415 // is currently having the focus, the selection can be retrieved by the corresponding
 416 // data tag. So we have a mirroring using a member variable
 417 // TODO : build event table using virtual member functions for wxMacControl
 418
 419 static const EventTypeSpec unicodeTextControlEventList[] =
 420 {
 421     { kEventClassControl , kEventControlSetFocusPart } ,
 422 } ;
 423
 424 static pascal OSStatus wxMacUnicodeTextControlControlEventHandler( EventHandlerCallRef handler , EventRef event , void *data )
 425 {
 426     OSStatus result = eventNotHandledErr ;
 427     wxMacUnicodeTextControl* focus = (wxMacUnicodeTextControl*) data ;
 428     wxMacCarbonEvent cEvent( event ) ;
 429
 430     switch ( GetEventKind( event ) )
 431     {
 432         case kEventControlSetFocusPart :
 433         {
 434             ControlPartCode controlPart = cEvent.GetParameter<ControlPartCode>(kEventParamControlPart , typeControlPartCode );
 435             if ( controlPart == kControlFocusNoPart )
 436             {
 437                 // about to lose focus -> store selection to field
 438                 focus->GetData<ControlEditTextSelectionRec>( 0, kControlEditTextSelectionTag, &focus->m_selection );
 439             }
 440             result = CallNextEventHandler(handler,event) ;
 441             if ( controlPart != kControlFocusNoPart )
 442             {
 443                 // about to gain focus -> set selection from field
 444                 focus->SetData<ControlEditTextSelectionRec>( 0, kControlEditTextSelectionTag, &focus->m_selection );
 445             }
 446             break;
 447         }
 448         default:
 449             break ;
 450     }
 451
 452     return result ;
 453 }
 454
 455 static pascal OSStatus wxMacUnicodeTextControlEventHandler( EventHandlerCallRef handler , EventRef event , void *data )
 456 {
 457     OSStatus result = eventNotHandledErr ;
 458
 459     switch ( GetEventClass( event ) )
 460     {
 461         case kEventClassControl :
 462             result = wxMacUnicodeTextControlControlEventHandler( handler , event , data ) ;
 463             break ;
 464
 465         default :
 466             break ;
 467     }
 468     return result ;
 469 }
 470
 471 DEFINE_ONE_SHOT_HANDLER_GETTER( wxMacUnicodeTextControlEventHandler )
 472
 473 wxMacUnicodeTextControl::wxMacUnicodeTextControl( wxTextCtrl *wxPeer )
 474     : wxMacControl( wxPeer ),
 475       wxTextWidgetImpl( wxPeer )
 476 {
 477 }
 478
 479 wxMacUnicodeTextControl::wxMacUnicodeTextControl( wxTextCtrl *wxPeer,
 480     const wxString& str,
 481     const wxPoint& pos,
 482     const wxSize& size, long style )
 483     : wxMacControl( wxPeer ),
 484       wxTextWidgetImpl( wxPeer )
 485 {
 486     m_font = wxPeer->GetFont() ;
 487     m_windowStyle = style ;
 488     m_selection.selStart = m_selection.selEnd = 0;
 489     Rect bounds = wxMacGetBoundsForControl( wxPeer , pos , size ) ;
 490     wxString st = str ;
 491     wxMacConvertNewlines10To13( &st ) ;
 492     wxCFStringRef cf(st , m_font.GetEncoding()) ;
 493
 494     m_valueTag = kControlEditTextCFStringTag ;
 495     Boolean isPassword = ( m_windowStyle & wxTE_PASSWORD ) != 0 ;
 496     if ( isPassword )
 497     {
 498         m_valueTag = kControlEditTextPasswordCFStringTag ;
 499     }
 500     OSStatus err = CreateEditUnicodeTextControl(
 501         MAC_WXHWND(wxPeer->MacGetTopLevelWindowRef()), &bounds , cf ,
 502         isPassword , NULL , &m_controlRef ) ;
 503     verify_noerr( err );
 504
 505     if ( !(m_windowStyle & wxTE_MULTILINE) )
 506         SetData<Boolean>( kControlEditTextPart , kControlEditTextSingleLineTag , true ) ;
 507
 508     InstallEventHandlers();
 509 }
 510
 511 void wxMacUnicodeTextControl::InstallEventHandlers()
 512 {
 513     ::InstallControlEventHandler( m_controlRef , GetwxMacUnicodeTextControlEventHandlerUPP(),
 514                                 GetEventTypeCount(unicodeTextControlEventList), unicodeTextControlEventList, this,
 515                                 (EventHandlerRef*) &m_macTextCtrlEventHandler);
 516 }
 517
 518 wxMacUnicodeTextControl::~wxMacUnicodeTextControl()
 519 {
 520     ::RemoveEventHandler((EventHandlerRef) m_macTextCtrlEventHandler);
 521 }
 522
 523 void wxMacUnicodeTextControl::VisibilityChanged(bool shown)
 524 {
 525     if ( !(m_windowStyle & wxTE_MULTILINE) && shown )
 526     {
 527         // work around a refresh issue insofar as not always the entire content is shown,
 528         // even if this would be possible
 529         ControlEditTextSelectionRec sel ;
 530         CFStringRef value = NULL ;
 531
 532         verify_noerr( GetData<ControlEditTextSelectionRec>( 0, kControlEditTextSelectionTag, &sel ) );
 533         verify_noerr( GetData<CFStringRef>( 0, m_valueTag, &value ) );
 534         verify_noerr( SetData<CFStringRef>( 0, m_valueTag, &value ) );
 535         verify_noerr( SetData<ControlEditTextSelectionRec>( 0, kControlEditTextSelectionTag, &sel ) );
 536
 537         CFRelease( value ) ;
 538     }
 539 }
 540
 541 wxString wxMacUnicodeTextControl::GetStringValue() const
 542 {
 543     wxString result ;
 544     CFStringRef value = GetData<CFStringRef>(0, m_valueTag) ;
 545     if ( value )
 546     {
 547         wxCFStringRef cf(value) ;
 548         result = cf.AsString() ;
 549     }
 550
 551 #if '\n' == 10
 552     wxMacConvertNewlines13To10( &result ) ;
 553 #else
 554     wxMacConvertNewlines10To13( &result ) ;
 555 #endif
 556
 557     return result ;
 558 }
 559
 560 void wxMacUnicodeTextControl::SetStringValue( const wxString &str )
 561 {
 562     wxString st = str ;
 563     wxMacConvertNewlines10To13( &st ) ;
 564     wxCFStringRef cf( st , m_font.GetEncoding() ) ;
 565     verify_noerr( SetData<CFStringRef>( 0, m_valueTag , cf ) ) ;
 566 }
 567
 568 void wxMacUnicodeTextControl::Copy()
 569 {
 570     SendHICommand( kHICommandCopy ) ;
 571 }
 572
 573 void wxMacUnicodeTextControl::Cut()
 574 {
 575     SendHICommand( kHICommandCut ) ;
 576 }
 577
 578 void wxMacUnicodeTextControl::Paste()
 579 {
 580     SendHICommand( kHICommandPaste ) ;
 581 }
 582
 583 bool wxMacUnicodeTextControl::CanPaste() const
 584 {
 585     return true ;
 586 }
 587
 588 void wxMacUnicodeTextControl::SetEditable(bool WXUNUSED(editable))
 589 {
 590 #if 0 // leads to problem because text cannot be selected anymore
 591     SetData<Boolean>( kControlEditTextPart , kControlEditTextLockedTag , (Boolean) !editable ) ;
 592 #endif
 593 }
 594
 595 void wxMacUnicodeTextControl::GetSelection( long* from, long* to ) const
 596 {
 597     ControlEditTextSelectionRec sel ;
 598     if (HasFocus())
 599         verify_noerr( GetData<ControlEditTextSelectionRec>( 0, kControlEditTextSelectionTag, &sel ) ) ;
 600     else
 601         sel = m_selection ;
 602
 603     if ( from )
 604         *from = sel.selStart ;
 605     if ( to )
 606         *to = sel.selEnd ;
 607 }
 608
 609 void wxMacUnicodeTextControl::SetSelection( long from , long to )
 610 {
 611     ControlEditTextSelectionRec sel ;
 612     wxString result ;
 613     int textLength = 0 ;
 614     CFStringRef value = GetData<CFStringRef>(0, m_valueTag) ;
 615     if ( value )
 616     {
 617         wxCFStringRef cf(value) ;
 618         textLength = cf.AsString().length() ;
 619     }
 620
 621     if ((from == -1) && (to == -1))
 622     {
 623         from = 0 ;
 624         to = textLength ;
 625     }
 626     else
 627     {
 628         from = wxMin(textLength,wxMax(from,0)) ;
 629         if ( to == -1 )
 630             to = textLength;
 631         else
 632             to = wxMax(0,wxMin(textLength,to)) ;
 633     }
 634
 635     sel.selStart = from ;
 636     sel.selEnd = to ;
 637     if ( HasFocus() )
 638         SetData<ControlEditTextSelectionRec>( 0, kControlEditTextSelectionTag, &sel ) ;
 639     else
 640         m_selection = sel;
 641 }
 642
 643 void wxMacUnicodeTextControl::WriteText( const wxString& str )
 644 {
 645     // TODO: this MPRemoting will be moved into a remoting peer proxy for any command
 646     if ( !wxIsMainThread() )
 647     {
 648 #if wxOSX_USE_CARBON
 649         // unfortunately CW 8 is not able to correctly deduce the template types,
 650         // so we have to instantiate explicitly
 651         wxMacMPRemoteGUICall<wxTextCtrl,wxString>( (wxTextCtrl*) GetWXPeer() , &wxTextCtrl::WriteText , str ) ;
 652 #endif
 653         return ;
 654     }
 655
 656     wxString st = str ;
 657     wxMacConvertNewlines10To13( &st ) ;
 658
 659     if ( HasFocus() )
 660     {
 661         wxCFStringRef cf(st , m_font.GetEncoding() ) ;
 662         CFStringRef value = cf ;
 663         SetData<CFStringRef>( 0, kControlEditTextInsertCFStringRefTag, &value );
 664     }
 665     else
 666     {
 667         wxString val = GetStringValue() ;
 668         long start , end ;
 669         GetSelection( &start , &end ) ;
 670         val.Remove( start , end - start ) ;
 671         val.insert( start , str ) ;
 672         SetStringValue( val ) ;
 673         SetSelection( start + str.length() , start + str.length() ) ;
 674     }
 675 }
 676
 677 // ----------------------------------------------------------------------------
 678 // MLTE control implementation (common part)
 679 // ----------------------------------------------------------------------------
 680
 681 // if MTLE is read only, no changes at all are allowed, not even from
 682 // procedural API, in order to allow changes via API all the same we must undo
 683 // the readonly status while we are executing, this class helps to do so
 684
 685 class wxMacEditHelper
 686 {
 687 public :
 688     wxMacEditHelper( TXNObject txn )
 689     {
 690         TXNControlTag tag[] = { kTXNIOPrivilegesTag } ;
 691         m_txn = txn ;
 692         TXNGetTXNObjectControls( m_txn , 1 , tag , m_data ) ;
 693         if ( m_data[0].uValue == kTXNReadOnly )
 694         {
 695             TXNControlData data[] = { { kTXNReadWrite } } ;
 696             TXNSetTXNObjectControls( m_txn , false , 1 , tag , data ) ;
 697         }
 698     }
 699
 700     ~wxMacEditHelper()
 701     {
 702         TXNControlTag tag[] = { kTXNIOPrivilegesTag } ;
 703         if ( m_data[0].uValue == kTXNReadOnly )
 704             TXNSetTXNObjectControls( m_txn , false , 1 , tag , m_data ) ;
 705     }
 706
 707 protected :
 708     TXNObject m_txn ;
 709     TXNControlData m_data[1] ;
 710 } ;
 711
 712 wxMacMLTEControl::wxMacMLTEControl( wxTextCtrl *peer )
 713     : wxMacControl( peer ),
 714       wxTextWidgetImpl( peer )
 715 {
 716     SetNeedsFocusRect( true ) ;
 717 }
 718
 719 wxString wxMacMLTEControl::GetStringValue() const
 720 {
 721     wxString result ;
 722     OSStatus err ;
 723     Size actualSize = 0;
 724
 725     {
 726 #if wxUSE_UNICODE
 727         Handle theText ;
 728         err = TXNGetDataEncoded( m_txn, kTXNStartOffset, kTXNEndOffset, &theText, kTXNUnicodeTextData );
 729
 730         // all done
 731         if ( err != noErr )
 732         {
 733             actualSize = 0 ;
 734         }
 735         else
 736         {
 737             actualSize = GetHandleSize( theText ) / sizeof(UniChar) ;
 738             if ( actualSize > 0 )
 739             {
 740                 wxChar *ptr = NULL ;
 741
 742                 SetHandleSize( theText, (actualSize + 1) * sizeof(UniChar) ) ;
 743                 HLock( theText ) ;
 744                 (((UniChar*)*theText)[actualSize]) = 0 ;
 745                 wxMBConvUTF16 converter ;
 746                 size_t noChars = converter.MB2WC( NULL , (const char*)*theText , 0 ) ;
 747                 wxASSERT_MSG( noChars != wxCONV_FAILED, wxT("Unable to count the number of characters in this string!") );
 748                 ptr = new wxChar[noChars + 1] ;
 749
 750                 noChars = converter.MB2WC( ptr , (const char*)*theText , noChars + 1 ) ;
 751                 wxASSERT_MSG( noChars != wxCONV_FAILED, wxT("Conversion of string failed!") );
 752                 ptr[noChars] = 0 ;
 753                 HUnlock( theText ) ;
 754
 755                 ptr[actualSize] = 0 ;
 756                 result = wxString( ptr ) ;
 757                 delete [] ptr ;
 758             }
 759
 760             DisposeHandle( theText ) ;
 761         }
 762 #else // !wxUSE_UNICODE
 763         Handle theText ;
 764         err = TXNGetDataEncoded( m_txn , kTXNStartOffset, kTXNEndOffset, &theText, kTXNTextData );
 765
 766         // all done
 767         if ( err != noErr )
 768         {
 769             actualSize = 0 ;
 770         }
 771         else
 772         {
 773             actualSize = GetHandleSize( theText ) ;
 774             if ( actualSize > 0 )
 775             {
 776                 HLock( theText ) ;
 777                 result = wxString( *theText , wxConvLocal , actualSize ) ;
 778                 HUnlock( theText ) ;
 779             }
 780
 781             DisposeHandle( theText ) ;
 782         }
 783 #endif // wxUSE_UNICODE/!wxUSE_UNICODE
 784     }
 785
 786 #if '\n' == 10
 787     wxMacConvertNewlines13To10( &result ) ;
 788 #else
 789     wxMacConvertNewlines10To13( &result ) ;
 790 #endif
 791
 792     return result ;
 793 }
 794
 795 void wxMacMLTEControl::SetStringValue( const wxString &str )
 796 {
 797     wxString st = str;
 798     wxMacConvertNewlines10To13( &st );
 799
 800     {
 801 #ifndef __LP64__
 802         wxMacWindowClipper c( GetWXPeer() ) ;
 803 #endif
 804
 805         {
 806             wxMacEditHelper help( m_txn );
 807             SetTXNData( st, kTXNStartOffset, kTXNEndOffset );
 808         }
 809
 810         TXNSetSelection( m_txn, 0, 0 );
 811         TXNShowSelection( m_txn, kTXNShowStart );
 812     }
 813 }
 814
 815 TXNFrameOptions wxMacMLTEControl::FrameOptionsFromWXStyle( long wxStyle )
 816 {
 817     TXNFrameOptions frameOptions = kTXNDontDrawCaretWhenInactiveMask;
 818
 819     frameOptions |= kTXNDoFontSubstitutionMask;
 820
 821     if ( ! (wxStyle & wxTE_NOHIDESEL) )
 822         frameOptions |= kTXNDontDrawSelectionWhenInactiveMask ;
 823
 824     if ( wxStyle & (wxHSCROLL | wxTE_DONTWRAP) )
 825         frameOptions |= kTXNWantHScrollBarMask ;
 826
 827     if ( wxStyle & wxTE_MULTILINE )
 828     {
 829         if ( ! (wxStyle & wxTE_DONTWRAP ) )
 830             frameOptions |= kTXNAlwaysWrapAtViewEdgeMask ;
 831
 832         if ( !(wxStyle & wxTE_NO_VSCROLL) )
 833         {
 834             frameOptions |= kTXNWantVScrollBarMask ;
 835
 836             // The following code causes drawing problems on 10.4. Perhaps it can be restored for
 837             // older versions of the OS, but I'm not sure it's appropriate to put a grow icon here
 838             // anyways, as AFAIK users can't actually use it to resize the text ctrl.
 839 //            if ( frameOptions & kTXNWantHScrollBarMask )
 840 //                frameOptions |= kTXNDrawGrowIconMask ;
 841         }
 842     }
 843     else
 844     {
 845         frameOptions |= kTXNSingleLineOnlyMask ;
 846     }
 847
 848     return frameOptions ;
 849 }
 850
 851 void wxMacMLTEControl::AdjustCreationAttributes(const wxColour &background,
 852                                                 bool WXUNUSED(visible))
 853 {
 854     TXNControlTag iControlTags[] =
 855         {
 856             kTXNDoFontSubstitution,
 857             kTXNWordWrapStateTag ,
 858         };
 859     TXNControlData iControlData[] =
 860         {
 861             { true },
 862             { kTXNNoAutoWrap },
 863         };
 864
 865     int toptag = WXSIZEOF( iControlTags ) ;
 866
 867     if ( m_windowStyle & wxTE_MULTILINE )
 868     {
 869         iControlData[1].uValue =
 870             (m_windowStyle & wxTE_DONTWRAP)
 871             ? kTXNNoAutoWrap
 872             : kTXNAutoWrap;
 873     }
 874
 875     OSStatus err = TXNSetTXNObjectControls( m_txn, false, toptag, iControlTags, iControlData ) ;
 876     verify_noerr( err );
 877
 878     // setting the default font:
 879     // under 10.2 this causes a visible caret, therefore we avoid it
 880
 881     Str255 fontName ;
 882     SInt16 fontSize ;
 883     Style fontStyle ;
 884
 885     GetThemeFont( kThemeSystemFont , GetApplicationScript() , fontName , &fontSize , &fontStyle ) ;
 886
 887     TXNTypeAttributes typeAttr[] =
 888     {
 889         { kTXNQDFontNameAttribute , kTXNQDFontNameAttributeSize , { (void*) fontName } } ,
 890         { kTXNQDFontSizeAttribute , kTXNFontSizeAttributeSize , { (void*) (fontSize << 16) } } ,
 891         { kTXNQDFontStyleAttribute , kTXNQDFontStyleAttributeSize , { (void*) normal } } ,
 892     } ;
 893
 894     err = TXNSetTypeAttributes(
 895         m_txn, WXSIZEOF(typeAttr),
 896         typeAttr, kTXNStartOffset, kTXNEndOffset );
 897     verify_noerr( err );
 898
 899     if ( m_windowStyle & wxTE_PASSWORD )
 900     {
 901         UniChar c = 0x00A5 ;
 902         err = TXNEchoMode( m_txn , c , 0 , true );
 903         verify_noerr( err );
 904     }
 905
 906     TXNBackground tback;
 907     tback.bgType = kTXNBackgroundTypeRGB;
 908     background.GetRGBColor( &tback.bg.color );
 909     TXNSetBackground( m_txn , &tback );
 910
 911
 912     TXNCommandEventSupportOptions options ;
 913     if ( TXNGetCommandEventSupport( m_txn, &options ) == noErr )
 914     {
 915         options |=
 916             kTXNSupportEditCommandProcessing
 917             | kTXNSupportEditCommandUpdating
 918             | kTXNSupportFontCommandProcessing
 919             | kTXNSupportFontCommandUpdating;
 920
 921         // only spell check when not read-only
 922         // use system options for the default
 923         bool checkSpelling = false ;
 924         if ( !(m_windowStyle & wxTE_READONLY) )
 925         {
 926 #if wxUSE_SYSTEM_OPTIONS
 927             if ( wxSystemOptions::HasOption( wxMAC_TEXTCONTROL_USE_SPELL_CHECKER ) && (wxSystemOptions::GetOptionInt( wxMAC_TEXTCONTROL_USE_SPELL_CHECKER ) == 1) )
 928             {
 929                 checkSpelling = true ;
 930             }
 931 #endif
 932         }
 933
 934         if ( checkSpelling )
 935             options |=
 936                 kTXNSupportSpellCheckCommandProcessing
 937                 | kTXNSupportSpellCheckCommandUpdating;
 938
 939         TXNSetCommandEventSupport( m_txn , options ) ;
 940     }
 941 }
 942
 943 void wxMacMLTEControl::SetBackgroundColour(const wxColour& col )
 944 {
 945     TXNBackground tback;
 946     tback.bgType = kTXNBackgroundTypeRGB;
 947     col.GetRGBColor(&tback.bg.color);
 948     TXNSetBackground( m_txn , &tback );
 949 }
 950
 951 static inline int wxConvertToTXN(int x)
 952 {
 953     return static_cast<int>(x / 254.0 * 72 + 0.5);
 954 }
 955
 956 void wxMacMLTEControl::TXNSetAttribute( const wxTextAttr& style , long from , long to )
 957 {
 958     TXNTypeAttributes typeAttr[4] ;
 959     RGBColor color ;
 960     size_t typeAttrCount = 0 ;
 961
 962     TXNMargins margins;
 963     TXNControlTag    controlTags[4];
 964     TXNControlData   controlData[4];
 965     size_t controlAttrCount = 0;
 966
 967     TXNTab* tabs = NULL;
 968
 969     bool relayout = false;
 970     wxFont font ;
 971
 972     if ( style.HasFont() )
 973     {
 974         wxASSERT( typeAttrCount < WXSIZEOF(typeAttr) );
 975         font = style.GetFont() ;
 976         typeAttr[typeAttrCount].tag = kTXNATSUIStyle ;
 977         typeAttr[typeAttrCount].size = kTXNATSUIStyleSize ;
 978         typeAttr[typeAttrCount].data.dataPtr = font.MacGetATSUStyle() ;
 979         typeAttrCount++ ;
 980     }
 981
 982     if ( style.HasTextColour() )
 983     {
 984         wxASSERT( typeAttrCount < WXSIZEOF(typeAttr) );
 985         style.GetTextColour().GetRGBColor( &color );
 986         typeAttr[typeAttrCount].tag = kTXNQDFontColorAttribute ;
 987         typeAttr[typeAttrCount].size = kTXNQDFontColorAttributeSize ;
 988         typeAttr[typeAttrCount].data.dataPtr = (void*) &color ;
 989         typeAttrCount++ ;
 990     }
 991
 992     if ( style.HasAlignment() )
 993     {
 994         wxASSERT( controlAttrCount < WXSIZEOF(controlTags) );
 995         SInt32 align;
 996
 997         switch ( style.GetAlignment() )
 998         {
 999             case wxTEXT_ALIGNMENT_LEFT:
1000                 align = kTXNFlushLeft;
1001                 break;
1002             case wxTEXT_ALIGNMENT_CENTRE:
1003                 align = kTXNCenter;
1004                 break;
1005             case wxTEXT_ALIGNMENT_RIGHT:
1006                 align = kTXNFlushRight;
1007                 break;
1008             case wxTEXT_ALIGNMENT_JUSTIFIED:
1009                 align = kTXNFullJust;
1010                 break;
1011             default :
1012             case wxTEXT_ALIGNMENT_DEFAULT:
1013                 align = kTXNFlushDefault;
1014                 break;
1015         }
1016
1017         controlTags[controlAttrCount] = kTXNJustificationTag ;
1018         controlData[controlAttrCount].sValue = align ;
1019         controlAttrCount++ ;
1020     }
1021
1022     if ( style.HasLeftIndent() || style.HasRightIndent() )
1023     {
1024         wxASSERT( controlAttrCount < WXSIZEOF(controlTags) );
1025         controlTags[controlAttrCount] = kTXNMarginsTag;
1026         controlData[controlAttrCount].marginsPtr = &margins;
1027         verify_noerr( TXNGetTXNObjectControls (m_txn, 1 ,
1028                                 &controlTags[controlAttrCount], &controlData[controlAttrCount]) );
1029         if ( style.HasLeftIndent() )
1030         {
1031             margins.leftMargin = wxConvertToTXN(style.GetLeftIndent());
1032         }
1033         if ( style.HasRightIndent() )
1034         {
1035             margins.rightMargin = wxConvertToTXN(style.GetRightIndent());
1036         }
1037         controlAttrCount++ ;
1038     }
1039
1040     if ( style.HasTabs() )
1041     {
1042         const wxArrayInt& tabarray = style.GetTabs();
1043         // unfortunately Mac only applies a tab distance, not individually different tabs
1044         controlTags[controlAttrCount] = kTXNTabSettingsTag;
1045         if ( tabarray.size() > 0 )
1046             controlData[controlAttrCount].tabValue.value = wxConvertToTXN(tabarray[0]);
1047         else
1048             controlData[controlAttrCount].tabValue.value = 72 ;
1049
1050         controlData[controlAttrCount].tabValue.tabType = kTXNLeftTab;
1051         controlAttrCount++ ;
1052     }
1053
1054     // unfortunately the relayout is not automatic
1055     if ( controlAttrCount > 0 )
1056     {
1057         verify_noerr( TXNSetTXNObjectControls (m_txn, false /* don't clear all */, controlAttrCount,
1058                                 controlTags, controlData) );
1059         relayout = true;
1060     }
1061
1062     if ( typeAttrCount > 0 )
1063     {
1064         verify_noerr( TXNSetTypeAttributes( m_txn , typeAttrCount, typeAttr, from , to ) );
1065         if (from != to)
1066             relayout = true;
1067     }
1068
1069     if ( tabs != NULL )
1070     {
1071         delete[] tabs;
1072     }
1073
1074     if ( relayout )
1075     {
1076         TXNRecalcTextLayout( m_txn );
1077     }
1078 }
1079
1080 void wxMacMLTEControl::SetFont(const wxFont & font,
1081                                const wxColour& foreground,
1082                                long WXUNUSED(windowStyle),
1083                                bool WXUNUSED(ignoreBlack))
1084 {
1085     wxMacEditHelper help( m_txn ) ;
1086     TXNSetAttribute( wxTextAttr( foreground, wxNullColour, font ), kTXNStartOffset, kTXNEndOffset ) ;
1087 }
1088
1089 void wxMacMLTEControl::SetStyle( long start, long end, const wxTextAttr& style )
1090 {
1091     wxMacEditHelper help( m_txn ) ;
1092     TXNSetAttribute( style, start, end ) ;
1093 }
1094
1095 void wxMacMLTEControl::Copy()
1096 {
1097     TXNCopy( m_txn );
1098 }
1099
1100 void wxMacMLTEControl::Cut()
1101 {
1102     TXNCut( m_txn );
1103 }
1104
1105 void wxMacMLTEControl::Paste()
1106 {
1107     TXNPaste( m_txn );
1108 }
1109
1110 bool wxMacMLTEControl::CanPaste() const
1111 {
1112     return TXNIsScrapPastable() ;
1113 }
1114
1115 void wxMacMLTEControl::SetEditable(bool editable)
1116 {
1117     TXNControlTag tag[] = { kTXNIOPrivilegesTag } ;
1118     TXNControlData data[] = { { editable ? kTXNReadWrite : kTXNReadOnly } } ;
1119     TXNSetTXNObjectControls( m_txn, false, WXSIZEOF(tag), tag, data ) ;
1120 }
1121
1122 long wxMacMLTEControl::GetLastPosition() const
1123 {
1124     wxTextPos actualsize = 0 ;
1125
1126     Handle theText ;
1127 #if wxUSE_UNICODE
1128     OSErr err = TXNGetDataEncoded( m_txn, kTXNStartOffset, kTXNEndOffset, &theText, kTXNUnicodeTextData );
1129     // all done
1130     if ( err == noErr )
1131     {
1132         actualsize = GetHandleSize( theText )/sizeof(UniChar);
1133         DisposeHandle( theText ) ;
1134     }
1135 #else
1136     OSErr err = TXNGetDataEncoded( m_txn, kTXNStartOffset, kTXNEndOffset, &theText, kTXNTextData );
1137
1138     // all done
1139     if ( err == noErr )
1140     {
1141         actualsize = GetHandleSize( theText ) ;
1142         DisposeHandle( theText ) ;
1143     }
1144 #endif
1145     else
1146     {
1147         actualsize = 0 ;
1148     }
1149
1150     return actualsize ;
1151 }
1152
1153 void wxMacMLTEControl::Replace( long from , long to , const wxString &str )
1154 {
1155     wxString value = str ;
1156     wxMacConvertNewlines10To13( &value ) ;
1157
1158     wxMacEditHelper help( m_txn ) ;
1159 #ifndef __LP64__
1160     wxMacWindowClipper c( GetWXPeer() ) ;
1161 #endif
1162
1163     TXNSetSelection( m_txn, from, to == -1 ? kTXNEndOffset : to ) ;
1164     TXNClear( m_txn ) ;
1165     SetTXNData( value, kTXNUseCurrentSelection, kTXNUseCurrentSelection ) ;
1166 }
1167
1168 void wxMacMLTEControl::Remove( long from , long to )
1169 {
1170 #ifndef __LP64__
1171     wxMacWindowClipper c( GetWXPeer() ) ;
1172 #endif
1173     wxMacEditHelper help( m_txn ) ;
1174     TXNSetSelection( m_txn , from , to ) ;
1175     TXNClear( m_txn ) ;
1176 }
1177
1178 void wxMacMLTEControl::GetSelection( long* from, long* to) const
1179 {
1180     TXNOffset f,t ;
1181     TXNGetSelection( m_txn , &f , &t ) ;
1182     *from = f;
1183     *to = t;
1184 }
1185
1186 void wxMacMLTEControl::SetSelection( long from , long to )
1187 {
1188 #ifndef __LP64__
1189     wxMacWindowClipper c( GetWXPeer() ) ;
1190 #endif
1191
1192     // change the selection
1193     if ((from == -1) && (to == -1))
1194         TXNSelectAll( m_txn );
1195     else
1196         TXNSetSelection( m_txn, from, to == -1 ? kTXNEndOffset : to );
1197
1198     TXNShowSelection( m_txn, kTXNShowStart );
1199 }
1200
1201 void wxMacMLTEControl::WriteText( const wxString& str )
1202 {
1203     // TODO: this MPRemoting will be moved into a remoting peer proxy for any command
1204     if ( !wxIsMainThread() )
1205     {
1206 #if wxOSX_USE_CARBON
1207         // unfortunately CW 8 is not able to correctly deduce the template types,
1208         // so we have to instantiate explicitly
1209         wxMacMPRemoteGUICall<wxTextCtrl,wxString>( (wxTextCtrl*) GetWXPeer() , &wxTextCtrl::WriteText , str ) ;
1210 #endif
1211         return ;
1212     }
1213
1214     wxString st = str ;
1215     wxMacConvertNewlines10To13( &st ) ;
1216
1217     long start , end , dummy ;
1218
1219     GetSelection( &start , &dummy ) ;
1220 #ifndef __LP64__
1221     wxMacWindowClipper c( GetWXPeer() ) ;
1222 #endif
1223
1224     {
1225         wxMacEditHelper helper( m_txn ) ;
1226         SetTXNData( st, kTXNUseCurrentSelection, kTXNUseCurrentSelection ) ;
1227     }
1228
1229     GetSelection( &dummy, &end ) ;
1230
1231     // TODO: SetStyle( start , end , GetDefaultStyle() ) ;
1232 }
1233
1234 void wxMacMLTEControl::Clear()
1235 {
1236 #ifndef __LP64__
1237     wxMacWindowClipper c( GetWXPeer() ) ;
1238 #endif
1239     wxMacEditHelper st( m_txn ) ;
1240     TXNSetSelection( m_txn , kTXNStartOffset , kTXNEndOffset ) ;
1241     TXNClear( m_txn ) ;
1242 }
1243
1244 bool wxMacMLTEControl::CanUndo() const
1245 {
1246     return TXNCanUndo( m_txn , NULL ) ;
1247 }
1248
1249 void wxMacMLTEControl::Undo()
1250 {
1251     TXNUndo( m_txn ) ;
1252 }
1253
1254 bool wxMacMLTEControl::CanRedo() const
1255 {
1256     return TXNCanRedo( m_txn , NULL ) ;
1257 }
1258
1259 void wxMacMLTEControl::Redo()
1260 {
1261     TXNRedo( m_txn ) ;
1262 }
1263
1264 int wxMacMLTEControl::GetNumberOfLines() const
1265 {
1266     ItemCount lines = 0 ;
1267     TXNGetLineCount( m_txn, &lines ) ;
1268
1269     return lines ;
1270 }
1271
1272 long wxMacMLTEControl::XYToPosition(long x, long y) const
1273 {
1274     Point curpt ;
1275     wxTextPos lastpos ;
1276
1277     // TODO: find a better implementation : while we can get the
1278     // line metrics of a certain line, we don't get its starting
1279     // position, so it would probably be rather a binary search
1280     // for the start position
1281     long xpos = 0, ypos = 0 ;
1282     int lastHeight = 0 ;
1283     ItemCount n ;
1284
1285     lastpos = GetLastPosition() ;
1286     for ( n = 0 ; n <= (ItemCount) lastpos ; ++n )
1287     {
1288         if ( y == ypos && x == xpos )
1289             return n ;
1290
1291         TXNOffsetToPoint( m_txn, n, &curpt ) ;
1292
1293         if ( curpt.v > lastHeight )
1294         {
1295             xpos = 0 ;
1296             if ( n > 0 )
1297                 ++ypos ;
1298
1299             lastHeight = curpt.v ;
1300         }
1301         else
1302             ++xpos ;
1303     }
1304
1305     return 0 ;
1306 }
1307
1308 bool wxMacMLTEControl::PositionToXY( long pos, long *x, long *y ) const
1309 {
1310     Point curpt ;
1311     wxTextPos lastpos ;
1312
1313     if ( y )
1314         *y = 0 ;
1315     if ( x )
1316         *x = 0 ;
1317
1318     lastpos = GetLastPosition() ;
1319     if ( pos <= lastpos )
1320     {
1321         // TODO: find a better implementation - while we can get the
1322         // line metrics of a certain line, we don't get its starting
1323         // position, so it would probably be rather a binary search
1324         // for the start position
1325         long xpos = 0, ypos = 0 ;
1326         int lastHeight = 0 ;
1327         ItemCount n ;
1328
1329         for ( n = 0 ; n <= (ItemCount) pos ; ++n )
1330         {
1331             TXNOffsetToPoint( m_txn, n, &curpt ) ;
1332
1333             if ( curpt.v > lastHeight )
1334             {
1335                 xpos = 0 ;
1336                 if ( n > 0 )
1337                     ++ypos ;
1338
1339                 lastHeight = curpt.v ;
1340             }
1341             else
1342                 ++xpos ;
1343         }
1344
1345         if ( y )
1346             *y = ypos ;
1347         if ( x )
1348             *x = xpos ;
1349     }
1350
1351     return false ;
1352 }
1353
1354 void wxMacMLTEControl::ShowPosition( long pos )
1355 {
1356     Point current, desired ;
1357     TXNOffset selstart, selend;
1358
1359     TXNGetSelection( m_txn, &selstart, &selend );
1360     TXNOffsetToPoint( m_txn, selstart, &current );
1361     TXNOffsetToPoint( m_txn, pos, &desired );
1362
1363     // TODO: use HIPoints for 10.3 and above
1364
1365     OSErr theErr = noErr;
1366     long dv = desired.v - current.v;
1367     long dh = desired.h - current.h;
1368     TXNShowSelection( m_txn, kTXNShowStart ) ; // NB: should this be kTXNShowStart or kTXNShowEnd ??
1369     theErr = TXNScroll( m_txn, kTXNScrollUnitsInPixels, kTXNScrollUnitsInPixels, &dv, &dh );
1370
1371     // there will be an error returned for classic MLTE implementation when the control is
1372     // invisible, but HITextView works correctly, so we don't assert that one
1373     // wxASSERT_MSG( theErr == noErr, wxT("TXNScroll returned an error!") );
1374 }
1375
1376 void wxMacMLTEControl::SetTXNData( const wxString& st, TXNOffset start, TXNOffset end )
1377 {
1378 #if wxUSE_UNICODE
1379     wxMBConvUTF16 converter ;
1380     ByteCount byteBufferLen = converter.WC2MB( NULL, st.wc_str(), 0 ) ;
1381     wxASSERT_MSG( byteBufferLen != wxCONV_FAILED,
1382                   wxT("Conversion to UTF-16 unexpectedly failed") );
1383     UniChar *unibuf = (UniChar*)malloc( byteBufferLen + 2 ) ; // 2 for NUL in UTF-16
1384     converter.WC2MB( (char*)unibuf, st.wc_str(), byteBufferLen + 2 ) ;
1385     TXNSetData( m_txn, kTXNUnicodeTextData, (void*)unibuf, byteBufferLen, start, end ) ;
1386     free( unibuf ) ;
1387 #else // !wxUSE_UNICODE
1388     wxCharBuffer text = st.mb_str( wxConvLocal ) ;
1389     TXNSetData( m_txn, kTXNTextData, (void*)text.data(), strlen( text ), start, end ) ;
1390 #endif // wxUSE_UNICODE/!wxUSE_UNICODE
1391 }
1392
1393 wxString wxMacMLTEControl::GetLineText(long lineNo) const
1394 {
1395     wxString line ;
1396
1397     if ( lineNo < GetNumberOfLines() )
1398     {
1399         Point firstPoint;
1400         Fixed lineWidth, lineHeight, currentHeight;
1401         long ypos ;
1402
1403         // get the first possible position in the control
1404         TXNOffsetToPoint(m_txn, 0, &firstPoint);
1405
1406         // Iterate through the lines until we reach the one we want,
1407         // adding to our current y pixel point position
1408         ypos = 0 ;
1409         currentHeight = 0;
1410         while (ypos < lineNo)
1411         {
1412             TXNGetLineMetrics(m_txn, ypos++, &lineWidth, &lineHeight);
1413             currentHeight += lineHeight;
1414         }
1415
1416         Point thePoint = { firstPoint.v + (currentHeight >> 16), firstPoint.h + (0) };
1417         TXNOffset theOffset;
1418         TXNPointToOffset(m_txn, thePoint, &theOffset);
1419
1420         wxString content = GetStringValue() ;
1421         Point currentPoint = thePoint;
1422         while (thePoint.v == currentPoint.v && theOffset < content.length())
1423         {
1424             line += content[theOffset];
1425             TXNOffsetToPoint(m_txn, ++theOffset, &currentPoint);
1426         }
1427     }
1428
1429     return line ;
1430 }
1431
1432 int wxMacMLTEControl::GetLineLength(long lineNo) const
1433 {
1434     int theLength = 0;
1435
1436     if ( lineNo < GetNumberOfLines() )
1437     {
1438         Point firstPoint;
1439         Fixed lineWidth, lineHeight, currentHeight;
1440         long ypos;
1441
1442         // get the first possible position in the control
1443         TXNOffsetToPoint(m_txn, 0, &firstPoint);
1444
1445         // Iterate through the lines until we reach the one we want,
1446         // adding to our current y pixel point position
1447         ypos = 0;
1448         currentHeight = 0;
1449         while (ypos < lineNo)
1450         {
1451             TXNGetLineMetrics(m_txn, ypos++, &lineWidth, &lineHeight);
1452             currentHeight += lineHeight;
1453         }
1454
1455         Point thePoint = { firstPoint.v + (currentHeight >> 16), firstPoint.h + (0) };
1456         TXNOffset theOffset;
1457         TXNPointToOffset(m_txn, thePoint, &theOffset);
1458
1459         wxString content = GetStringValue() ;
1460         Point currentPoint = thePoint;
1461         while (thePoint.v == currentPoint.v && theOffset < content.length())
1462         {
1463             ++theLength;
1464             TXNOffsetToPoint(m_txn, ++theOffset, &currentPoint);
1465         }
1466     }
1467
1468     return theLength ;
1469 }
1470
1471 #if MAC_OS_X_VERSION_MIN_REQUIRED < MAC_OS_X_VERSION_10_5
1472
1473 // ----------------------------------------------------------------------------
1474 // MLTE control implementation (classic part)
1475 // ----------------------------------------------------------------------------
1476
1477 // OS X Notes : We still don't have a full replacement for MLTE, so this implementation
1478 // has to live on. We have different problems coming from outdated implementations on the
1479 // various OS X versions. Most deal with the scrollbars: they are not correctly embedded
1480 // while this can be solved on 10.3 by reassigning them the correct place, on 10.2 there is
1481 // no way out, therefore we are using our own implementation and our own scrollbars ....
1482
1483 TXNScrollInfoUPP gTXNScrollInfoProc = NULL ;
1484 ControlActionUPP gTXNScrollActionProc = NULL ;
1485
1486 pascal void wxMacMLTEClassicControl::TXNScrollInfoProc(
1487     SInt32 iValue, SInt32 iMaximumValue,
1488     TXNScrollBarOrientation iScrollBarOrientation, SInt32 iRefCon )
1489 {
1490     wxMacMLTEClassicControl* mlte = (wxMacMLTEClassicControl*) iRefCon ;
1491     SInt32 value =  wxMax( iValue , 0 ) ;
1492     SInt32 maximum = wxMax( iMaximumValue , 0 ) ;
1493
1494     if ( iScrollBarOrientation == kTXNHorizontal )
1495     {
1496         if ( mlte->m_sbHorizontal )
1497         {
1498             SetControl32BitValue( mlte->m_sbHorizontal , value ) ;
1499             SetControl32BitMaximum( mlte->m_sbHorizontal , maximum ) ;
1500             mlte->m_lastHorizontalValue = value ;
1501         }
1502     }
1503     else if ( iScrollBarOrientation == kTXNVertical )
1504     {
1505         if ( mlte->m_sbVertical )
1506         {
1507             SetControl32BitValue( mlte->m_sbVertical , value ) ;
1508             SetControl32BitMaximum( mlte->m_sbVertical , maximum ) ;
1509             mlte->m_lastVerticalValue = value ;
1510         }
1511     }
1512 }
1513
1514 pascal void wxMacMLTEClassicControl::TXNScrollActionProc( ControlRef controlRef , ControlPartCode partCode )
1515 {
1516     wxMacMLTEClassicControl* mlte = (wxMacMLTEClassicControl*) GetControlReference( controlRef ) ;
1517     if ( mlte == NULL )
1518         return ;
1519
1520     if ( controlRef != mlte->m_sbVertical && controlRef != mlte->m_sbHorizontal )
1521         return ;
1522
1523     OSStatus err ;
1524     bool isHorizontal = ( controlRef == mlte->m_sbHorizontal ) ;
1525
1526     SInt32 minimum = 0 ;
1527     SInt32 maximum = GetControl32BitMaximum( controlRef ) ;
1528     SInt32 value = GetControl32BitValue( controlRef ) ;
1529     SInt32 delta = 0;
1530
1531     switch ( partCode )
1532     {
1533         case kControlDownButtonPart :
1534             delta = 10 ;
1535             break ;
1536
1537         case kControlUpButtonPart :
1538             delta = -10 ;
1539             break ;
1540
1541         case kControlPageDownPart :
1542             delta = GetControlViewSize( controlRef ) ;
1543             break ;
1544
1545         case kControlPageUpPart :
1546             delta = -GetControlViewSize( controlRef ) ;
1547             break ;
1548
1549         case kControlIndicatorPart :
1550             delta = value - (isHorizontal ? mlte->m_lastHorizontalValue : mlte->m_lastVerticalValue) ;
1551             break ;
1552
1553         default :
1554             break ;
1555     }
1556
1557     if ( delta != 0 )
1558     {
1559         SInt32 newValue = value ;
1560
1561         if ( partCode != kControlIndicatorPart )
1562         {
1563             if ( value + delta < minimum )
1564                 delta = minimum - value ;
1565             if ( value + delta > maximum )
1566                 delta = maximum - value ;
1567
1568             SetControl32BitValue( controlRef , value + delta ) ;
1569             newValue = value + delta ;
1570         }
1571
1572         SInt32 verticalDelta = isHorizontal ? 0 : delta ;
1573         SInt32 horizontalDelta = isHorizontal ? delta : 0 ;
1574
1575         err = TXNScroll(
1576             mlte->m_txn, kTXNScrollUnitsInPixels, kTXNScrollUnitsInPixels,
1577             &verticalDelta, &horizontalDelta );
1578         verify_noerr( err );
1579
1580         if ( isHorizontal )
1581             mlte->m_lastHorizontalValue = newValue ;
1582         else
1583             mlte->m_lastVerticalValue = newValue ;
1584     }
1585 }
1586
1587 // make correct activations
1588 void wxMacMLTEClassicControl::MacActivatePaneText(bool setActive)
1589 {
1590     wxTextCtrl* textctrl = (wxTextCtrl*) GetControlReference(m_controlRef);
1591
1592     wxMacWindowClipper clipper( textctrl ) ;
1593     TXNActivate( m_txn, m_txnFrameID, setActive );
1594
1595     ControlRef controlFocus = 0 ;
1596     GetKeyboardFocus( m_txnWindow , &controlFocus ) ;
1597     if ( controlFocus == m_controlRef )
1598         TXNFocus( m_txn, setActive );
1599 }
1600
1601 void wxMacMLTEClassicControl::MacFocusPaneText(bool setFocus)
1602 {
1603     TXNFocus( m_txn, setFocus );
1604 }
1605
1606 // guards against inappropriate redraw (hidden objects drawing onto window)
1607
1608 void wxMacMLTEClassicControl::MacSetObjectVisibility(bool vis)
1609 {
1610     ControlRef controlFocus = 0 ;
1611     GetKeyboardFocus( m_txnWindow , &controlFocus ) ;
1612
1613     if ( !vis && (controlFocus == m_controlRef ) )
1614         SetKeyboardFocus( m_txnWindow , m_controlRef , kControlFocusNoPart ) ;
1615
1616     TXNControlTag iControlTags[1] = { kTXNVisibilityTag };
1617     TXNControlData iControlData[1] = { { (UInt32)false } };
1618
1619     verify_noerr( TXNGetTXNObjectControls( m_txn , 1, iControlTags, iControlData ) ) ;
1620
1621     if ( iControlData[0].uValue != vis )
1622     {
1623         iControlData[0].uValue = vis ;
1624         verify_noerr( TXNSetTXNObjectControls( m_txn, false , 1, iControlTags, iControlData ) ) ;
1625     }
1626
1627     // currently, we always clip as partial visibility (overlapped) visibility is also a problem,
1628     // if we run into further problems we might set the FrameBounds to an empty rect here
1629 }
1630
1631 // make sure that the TXNObject is at the right position
1632
1633 void wxMacMLTEClassicControl::MacUpdatePosition()
1634 {
1635     wxTextCtrl* textctrl = (wxTextCtrl*)GetControlReference( m_controlRef );
1636     if ( textctrl == NULL )
1637         return ;
1638
1639     Rect bounds ;
1640     GetRectInWindowCoords( &bounds );
1641
1642     wxRect visRect = textctrl->MacGetClippedClientRect() ;
1643     Rect visBounds = { visRect.y , visRect.x , visRect.y + visRect.height , visRect.x + visRect.width } ;
1644     int x , y ;
1645     x = y = 0 ;
1646     textctrl->MacWindowToRootWindow( &x , &y ) ;
1647     OffsetRect( &visBounds , x , y ) ;
1648
1649     if ( !EqualRect( &bounds, &m_txnControlBounds ) || !EqualRect( &visBounds, &m_txnVisBounds ) )
1650     {
1651         m_txnControlBounds = bounds ;
1652         m_txnVisBounds = visBounds ;
1653         wxMacWindowClipper cl( textctrl ) ;
1654
1655         if ( m_sbHorizontal || m_sbVertical )
1656         {
1657             int w = bounds.right - bounds.left ;
1658             int h = bounds.bottom - bounds.top ;
1659
1660             if ( m_sbHorizontal )
1661             {
1662                 Rect sbBounds ;
1663
1664                 sbBounds.left = -1 ;
1665                 sbBounds.top = h - 14 ;
1666                 sbBounds.right = w + 1 ;
1667                 sbBounds.bottom = h + 1 ;
1668
1669                 SetControlBounds( m_sbHorizontal , &sbBounds ) ;
1670                 SetControlViewSize( m_sbHorizontal , w ) ;
1671             }
1672
1673             if ( m_sbVertical )
1674             {
1675                 Rect sbBounds ;
1676
1677                 sbBounds.left = w - 14 ;
1678                 sbBounds.top = -1 ;
1679                 sbBounds.right = w + 1 ;
1680                 sbBounds.bottom = m_sbHorizontal ? h - 14 : h + 1 ;
1681
1682                 SetControlBounds( m_sbVertical , &sbBounds ) ;
1683                 SetControlViewSize( m_sbVertical , h ) ;
1684             }
1685         }
1686
1687         Rect oldviewRect ;
1688         TXNLongRect olddestRect ;
1689         TXNGetRectBounds( m_txn , &oldviewRect , &olddestRect , NULL ) ;
1690
1691         Rect viewRect = { m_txnControlBounds.top, m_txnControlBounds.left,
1692             m_txnControlBounds.bottom - ( m_sbHorizontal ? 14 : 0 ) ,
1693             m_txnControlBounds.right - ( m_sbVertical ? 14 : 0 ) } ;
1694         TXNLongRect destRect = { m_txnControlBounds.top, m_txnControlBounds.left,
1695             m_txnControlBounds.bottom - ( m_sbHorizontal ? 14 : 0 ) ,
1696             m_txnControlBounds.right - ( m_sbVertical ? 14 : 0 ) } ;
1697
1698         if ( olddestRect.right >= 10000 )
1699             destRect.right = destRect.left + 32000 ;
1700
1701         if ( olddestRect.bottom >= 0x20000000 )
1702             destRect.bottom = destRect.top + 0x40000000 ;
1703
1704         SectRect( &viewRect , &visBounds , &viewRect ) ;
1705         TXNSetRectBounds( m_txn , &viewRect , &destRect , true ) ;
1706
1707 #if 0
1708         TXNSetFrameBounds(
1709             m_txn,
1710             m_txnControlBounds.top,
1711             m_txnControlBounds.left,
1712             m_txnControlBounds.bottom - (m_sbHorizontal ? 14 : 0),
1713             m_txnControlBounds.right - (m_sbVertical ? 14 : 0),
1714             m_txnFrameID );
1715 #endif
1716
1717         // the SetFrameBounds method under Classic sometimes does not correctly scroll a selection into sight after a
1718         // movement, therefore we have to force it
1719
1720         // this problem has been reported in OSX as well, so we use this here once again
1721
1722         TXNLongRect textRect ;
1723         TXNGetRectBounds( m_txn , NULL , NULL , &textRect ) ;
1724         if ( textRect.left < m_txnControlBounds.left )
1725             TXNShowSelection( m_txn , kTXNShowStart ) ;
1726     }
1727 }
1728
1729 void wxMacMLTEClassicControl::Move(int x, int y, int width, int height)
1730 {
1731     wxMacControl::Move(x,y,width,height) ;
1732     MacUpdatePosition() ;
1733 }
1734
1735 void wxMacMLTEClassicControl::MacControlUserPaneDrawProc(wxInt16 WXUNUSED(thePart))
1736 {
1737     wxTextCtrl* textctrl = (wxTextCtrl*)GetControlReference( m_controlRef );
1738     if ( textctrl == NULL )
1739         return ;
1740
1741     if ( textctrl->IsShownOnScreen() )
1742     {
1743         wxMacWindowClipper clipper( textctrl ) ;
1744         TXNDraw( m_txn , NULL ) ;
1745     }
1746 }
1747
1748 wxInt16 wxMacMLTEClassicControl::MacControlUserPaneHitTestProc(wxInt16 x, wxInt16 y)
1749 {
1750     Point where = { y , x } ;
1751     ControlPartCode result = kControlNoPart;
1752
1753     wxTextCtrl* textctrl = (wxTextCtrl*) GetControlReference( m_controlRef );
1754     if ( (textctrl != NULL) && textctrl->IsShownOnScreen() )
1755     {
1756         if (PtInRect( where, &m_txnControlBounds ))
1757         {
1758             result = kControlEditTextPart ;
1759         }
1760         else
1761         {
1762             // sometimes we get the coords also in control local coordinates, therefore test again
1763             int x = 0 , y = 0 ;
1764             textctrl->MacClientToRootWindow( &x , &y ) ;
1765             where.h += x ;
1766             where.v += y ;
1767
1768             if (PtInRect( where, &m_txnControlBounds ))
1769                 result = kControlEditTextPart ;
1770         }
1771     }
1772
1773     return result;
1774 }
1775
1776 wxInt16 wxMacMLTEClassicControl::MacControlUserPaneTrackingProc( wxInt16 x, wxInt16 y, void* WXUNUSED(actionProc) )
1777 {
1778     ControlPartCode result = kControlNoPart;
1779
1780     wxTextCtrl* textctrl = (wxTextCtrl*) GetControlReference( m_controlRef );
1781     if ( (textctrl != NULL) && textctrl->IsShownOnScreen() )
1782     {
1783         Point startPt = { y , x } ;
1784
1785         // for compositing, we must convert these into toplevel window coordinates, because hittesting expects them
1786         int x = 0 , y = 0 ;
1787         textctrl->MacClientToRootWindow( &x , &y ) ;
1788         startPt.h += x ;
1789         startPt.v += y ;
1790
1791         switch (MacControlUserPaneHitTestProc( startPt.h , startPt.v ))
1792         {
1793             case kControlEditTextPart :
1794             {
1795                 wxMacWindowClipper clipper( textctrl ) ;
1796                 EventRecord rec ;
1797
1798                 ConvertEventRefToEventRecord( (EventRef) wxTheApp->MacGetCurrentEvent() , &rec ) ;
1799                 TXNClick( m_txn, &rec );
1800             }
1801                 break;
1802
1803             default :
1804                 break;
1805         }
1806     }
1807
1808     return result;
1809 }
1810
1811 void wxMacMLTEClassicControl::MacControlUserPaneIdleProc()
1812 {
1813     wxTextCtrl* textctrl = (wxTextCtrl*)GetControlReference( m_controlRef );
1814     if ( textctrl == NULL )
1815         return ;
1816
1817     if (textctrl->IsShownOnScreen())
1818     {
1819         if (IsControlActive(m_controlRef))
1820         {
1821             Point mousep;
1822
1823             wxMacWindowClipper clipper( textctrl ) ;
1824             GetMouse(&mousep);
1825
1826             TXNIdle(m_txn);
1827
1828             if (PtInRect(mousep, &m_txnControlBounds))
1829             {
1830                 RgnHandle theRgn = NewRgn();
1831                 RectRgn(theRgn, &m_txnControlBounds);
1832                 TXNAdjustCursor(m_txn, theRgn);
1833                 DisposeRgn(theRgn);
1834             }
1835         }
1836     }
1837 }
1838
1839 wxInt16 wxMacMLTEClassicControl::MacControlUserPaneKeyDownProc (wxInt16 keyCode, wxInt16 charCode, wxInt16 modifiers)
1840 {
1841     wxTextCtrl* textctrl = (wxTextCtrl*)GetControlReference( m_controlRef );
1842     if ( textctrl == NULL )
1843         return kControlNoPart;
1844
1845     wxMacWindowClipper clipper( textctrl ) ;
1846
1847     EventRecord ev ;
1848     memset( &ev , 0 , sizeof( ev ) ) ;
1849     ev.what = keyDown ;
1850     ev.modifiers = modifiers ;
1851     ev.message = ((keyCode << 8) & keyCodeMask) | (charCode & charCodeMask);
1852     TXNKeyDown( m_txn , &ev );
1853
1854     return kControlEntireControl;
1855 }
1856
1857 void wxMacMLTEClassicControl::MacControlUserPaneActivateProc(bool activating)
1858 {
1859     MacActivatePaneText( activating );
1860 }
1861
1862 wxInt16 wxMacMLTEClassicControl::MacControlUserPaneFocusProc(wxInt16 action)
1863 {
1864     ControlPartCode focusResult = kControlFocusNoPart;
1865
1866     wxTextCtrl* textctrl = (wxTextCtrl*)GetControlReference( m_controlRef );
1867     if ( textctrl == NULL )
1868         return focusResult;
1869
1870     wxMacWindowClipper clipper( textctrl ) ;
1871
1872     ControlRef controlFocus = NULL ;
1873     GetKeyboardFocus( m_txnWindow , &controlFocus ) ;
1874     bool wasFocused = ( controlFocus == m_controlRef ) ;
1875
1876     switch (action)
1877     {
1878         case kControlFocusPrevPart:
1879         case kControlFocusNextPart:
1880             MacFocusPaneText( !wasFocused );
1881             focusResult = (!wasFocused ? (ControlPartCode) kControlEditTextPart : (ControlPartCode) kControlFocusNoPart);
1882             break;
1883
1884         case kControlFocusNoPart:
1885         default:
1886             MacFocusPaneText( false );
1887             focusResult = kControlFocusNoPart;
1888             break;
1889     }
1890
1891     return focusResult;
1892 }
1893
1894 void wxMacMLTEClassicControl::MacControlUserPaneBackgroundProc( void *WXUNUSED(info) )
1895 {
1896 }
1897
1898 wxMacMLTEClassicControl::wxMacMLTEClassicControl( wxTextCtrl *wxPeer,
1899     const wxString& str,
1900     const wxPoint& pos,
1901     const wxSize& size, long style )
1902     : wxMacMLTEControl( wxPeer )
1903 {
1904     m_font = wxPeer->GetFont() ;
1905     m_windowStyle = style ;
1906     Rect bounds = wxMacGetBoundsForControl( wxPeer , pos , size ) ;
1907
1908     short featureSet =
1909         kControlSupportsEmbedding | kControlSupportsFocus | kControlWantsIdle
1910         | kControlWantsActivate  | kControlHandlesTracking
1911 //    | kControlHasSpecialBackground
1912         | kControlGetsFocusOnClick | kControlSupportsLiveFeedback;
1913
1914    OSStatus err = ::CreateUserPaneControl(
1915         MAC_WXHWND(wxPeer->GetParent()->MacGetTopLevelWindowRef()),
1916         &bounds, featureSet, &m_controlRef );
1917     verify_noerr( err );
1918     SetControlReference( m_controlRef , (URefCon) wxPeer );
1919
1920     DoCreate();
1921
1922     AdjustCreationAttributes( *wxWHITE , true ) ;
1923
1924     MacSetObjectVisibility( wxPeer->IsShownOnScreen() ) ;
1925
1926     {
1927         wxString st = str ;
1928         wxMacConvertNewlines10To13( &st ) ;
1929         wxMacWindowClipper clipper( GetWXPeer() ) ;
1930         SetTXNData( st , kTXNStartOffset, kTXNEndOffset ) ;
1931         TXNSetSelection( m_txn, 0, 0 ) ;
1932     }
1933 }
1934
1935 wxMacMLTEClassicControl::~wxMacMLTEClassicControl()
1936 {
1937     TXNDeleteObject( m_txn );
1938     m_txn = NULL ;
1939 }
1940
1941 void wxMacMLTEClassicControl::VisibilityChanged(bool shown)
1942 {
1943     MacSetObjectVisibility( shown ) ;
1944     wxMacControl::VisibilityChanged( shown ) ;
1945 }
1946
1947 void wxMacMLTEClassicControl::SuperChangedPosition()
1948 {
1949     MacUpdatePosition() ;
1950     wxMacControl::SuperChangedPosition() ;
1951 }
1952
1953 ControlUserPaneDrawUPP gTPDrawProc = NULL;
1954 ControlUserPaneHitTestUPP gTPHitProc = NULL;
1955 ControlUserPaneTrackingUPP gTPTrackProc = NULL;
1956 ControlUserPaneIdleUPP gTPIdleProc = NULL;
1957 ControlUserPaneKeyDownUPP gTPKeyProc = NULL;
1958 ControlUserPaneActivateUPP gTPActivateProc = NULL;
1959 ControlUserPaneFocusUPP gTPFocusProc = NULL;
1960
1961 static pascal void wxMacControlUserPaneDrawProc(ControlRef control, SInt16 part)
1962 {
1963     wxTextCtrl *textCtrl =  wxDynamicCast( wxFindWindowFromWXWidget( (WXWidget) control) , wxTextCtrl ) ;
1964     wxMacMLTEClassicControl * win = textCtrl ? (wxMacMLTEClassicControl*)(textCtrl->GetPeer()) : NULL ;
1965     if ( win )
1966         win->MacControlUserPaneDrawProc( part ) ;
1967 }
1968
1969 static pascal ControlPartCode wxMacControlUserPaneHitTestProc(ControlRef control, Point where)
1970 {
1971     wxTextCtrl *textCtrl =  wxDynamicCast( wxFindWindowFromWXWidget( (WXWidget) control) , wxTextCtrl ) ;
1972     wxMacMLTEClassicControl * win = textCtrl ? (wxMacMLTEClassicControl*)(textCtrl->GetPeer()) : NULL ;
1973     if ( win )
1974         return win->MacControlUserPaneHitTestProc( where.h , where.v ) ;
1975     else
1976         return kControlNoPart ;
1977 }
1978
1979 static pascal ControlPartCode wxMacControlUserPaneTrackingProc(ControlRef control, Point startPt, ControlActionUPP actionProc)
1980 {
1981     wxTextCtrl *textCtrl =  wxDynamicCast( wxFindWindowFromWXWidget( (WXWidget) control) , wxTextCtrl ) ;
1982     wxMacMLTEClassicControl * win = textCtrl ? (wxMacMLTEClassicControl*)(textCtrl->GetPeer()) : NULL ;
1983     if ( win )
1984         return win->MacControlUserPaneTrackingProc( startPt.h , startPt.v , (void*) actionProc ) ;
1985     else
1986         return kControlNoPart ;
1987 }
1988
1989 static pascal void wxMacControlUserPaneIdleProc(ControlRef control)
1990 {
1991     wxTextCtrl *textCtrl =  wxDynamicCast( wxFindWindowFromWXWidget((WXWidget) control) , wxTextCtrl ) ;
1992     wxMacMLTEClassicControl * win = textCtrl ? (wxMacMLTEClassicControl*)(textCtrl->GetPeer()) : NULL ;
1993     if ( win )
1994         win->MacControlUserPaneIdleProc() ;
1995 }
1996
1997 static pascal ControlPartCode wxMacControlUserPaneKeyDownProc(ControlRef control, SInt16 keyCode, SInt16 charCode, SInt16 modifiers)
1998 {
1999     wxTextCtrl *textCtrl =  wxDynamicCast( wxFindWindowFromWXWidget((WXWidget) control) , wxTextCtrl ) ;
2000     wxMacMLTEClassicControl * win = textCtrl ? (wxMacMLTEClassicControl*)(textCtrl->GetPeer()) : NULL ;
2001     if ( win )
2002         return win->MacControlUserPaneKeyDownProc( keyCode, charCode, modifiers ) ;
2003     else
2004         return kControlNoPart ;
2005 }
2006
2007 static pascal void wxMacControlUserPaneActivateProc(ControlRef control, Boolean activating)
2008 {
2009     wxTextCtrl *textCtrl =  wxDynamicCast( wxFindWindowFromWXWidget( (WXWidget)control) , wxTextCtrl ) ;
2010     wxMacMLTEClassicControl * win = textCtrl ? (wxMacMLTEClassicControl*)(textCtrl->GetPeer()) : NULL ;
2011     if ( win )
2012         win->MacControlUserPaneActivateProc( activating ) ;
2013 }
2014
2015 static pascal ControlPartCode wxMacControlUserPaneFocusProc(ControlRef control, ControlFocusPart action)
2016 {
2017     wxTextCtrl *textCtrl =  wxDynamicCast( wxFindWindowFromWXWidget((WXWidget) control) , wxTextCtrl ) ;
2018     wxMacMLTEClassicControl * win = textCtrl ? (wxMacMLTEClassicControl*)(textCtrl->GetPeer()) : NULL ;
2019     if ( win )
2020         return win->MacControlUserPaneFocusProc( action ) ;
2021     else
2022         return kControlNoPart ;
2023 }
2024
2025 #if 0
2026 static pascal void wxMacControlUserPaneBackgroundProc(ControlRef control, ControlBackgroundPtr info)
2027 {
2028     wxTextCtrl *textCtrl =  wxDynamicCast( wxFindWindowFromWXWidget(control) , wxTextCtrl ) ;
2029     wxMacMLTEClassicControl * win = textCtrl ? (wxMacMLTEClassicControl*)(textCtrl->GetPeer()) : NULL ;
2030     if ( win )
2031         win->MacControlUserPaneBackgroundProc(info) ;
2032 }
2033 #endif
2034
2035 // TXNRegisterScrollInfoProc
2036
2037 OSStatus wxMacMLTEClassicControl::DoCreate()
2038 {
2039     Rect bounds;
2040     OSStatus err = noErr ;
2041
2042     // set up our globals
2043     if (gTPDrawProc == NULL) gTPDrawProc = NewControlUserPaneDrawUPP(wxMacControlUserPaneDrawProc);
2044     if (gTPHitProc == NULL) gTPHitProc = NewControlUserPaneHitTestUPP(wxMacControlUserPaneHitTestProc);
2045     if (gTPTrackProc == NULL) gTPTrackProc = NewControlUserPaneTrackingUPP(wxMacControlUserPaneTrackingProc);
2046     if (gTPIdleProc == NULL) gTPIdleProc = NewControlUserPaneIdleUPP(wxMacControlUserPaneIdleProc);
2047     if (gTPKeyProc == NULL) gTPKeyProc = NewControlUserPaneKeyDownUPP(wxMacControlUserPaneKeyDownProc);
2048     if (gTPActivateProc == NULL) gTPActivateProc = NewControlUserPaneActivateUPP(wxMacControlUserPaneActivateProc);
2049     if (gTPFocusProc == NULL) gTPFocusProc = NewControlUserPaneFocusUPP(wxMacControlUserPaneFocusProc);
2050
2051     if (gTXNScrollInfoProc == NULL ) gTXNScrollInfoProc = NewTXNScrollInfoUPP(TXNScrollInfoProc) ;
2052     if (gTXNScrollActionProc == NULL ) gTXNScrollActionProc = NewControlActionUPP(TXNScrollActionProc) ;
2053
2054     // set the initial settings for our private data
2055
2056     m_txnWindow = GetControlOwner(m_controlRef);
2057     m_txnPort = (GrafPtr) GetWindowPort(m_txnWindow);
2058
2059     // set up the user pane procedures
2060     SetControlData(m_controlRef, kControlEntireControl, kControlUserPaneDrawProcTag, sizeof(gTPDrawProc), &gTPDrawProc);
2061     SetControlData(m_controlRef, kControlEntireControl, kControlUserPaneHitTestProcTag, sizeof(gTPHitProc), &gTPHitProc);
2062     SetControlData(m_controlRef, kControlEntireControl, kControlUserPaneTrackingProcTag, sizeof(gTPTrackProc), &gTPTrackProc);
2063     SetControlData(m_controlRef, kControlEntireControl, kControlUserPaneIdleProcTag, sizeof(gTPIdleProc), &gTPIdleProc);
2064     SetControlData(m_controlRef, kControlEntireControl, kControlUserPaneKeyDownProcTag, sizeof(gTPKeyProc), &gTPKeyProc);
2065     SetControlData(m_controlRef, kControlEntireControl, kControlUserPaneActivateProcTag, sizeof(gTPActivateProc), &gTPActivateProc);
2066     SetControlData(m_controlRef, kControlEntireControl, kControlUserPaneFocusProcTag, sizeof(gTPFocusProc), &gTPFocusProc);
2067
2068     // calculate the rectangles used by the control
2069     GetRectInWindowCoords( &bounds );
2070
2071     m_txnControlBounds = bounds ;
2072     m_txnVisBounds = bounds ;
2073
2074     CGrafPtr origPort ;
2075     GDHandle origDev ;
2076
2077     GetGWorld( &origPort, &origDev ) ;
2078     SetPort( m_txnPort );
2079
2080     // create the new edit field
2081     TXNFrameOptions frameOptions = FrameOptionsFromWXStyle( m_windowStyle );
2082
2083     // the scrollbars are not correctly embedded but are inserted at the root:
2084     // this gives us problems as we have erratic redraws even over the structure area
2085
2086     m_sbHorizontal = 0 ;
2087     m_sbVertical = 0 ;
2088     m_lastHorizontalValue = 0 ;
2089     m_lastVerticalValue = 0 ;
2090
2091     Rect sb = { 0 , 0 , 0 , 0 } ;
2092     if ( frameOptions & kTXNWantVScrollBarMask )
2093     {
2094         CreateScrollBarControl( m_txnWindow, &sb, 0, 0, 100, 1, true, gTXNScrollActionProc, &m_sbVertical );
2095         SetControlReference( m_sbVertical, (SInt32)this );
2096         SetControlAction( m_sbVertical, gTXNScrollActionProc );
2097         ShowControl( m_sbVertical );
2098         EmbedControl( m_sbVertical , m_controlRef );
2099         frameOptions &= ~kTXNWantVScrollBarMask;
2100     }
2101
2102     if ( frameOptions & kTXNWantHScrollBarMask )
2103     {
2104         CreateScrollBarControl( m_txnWindow, &sb, 0, 0, 100, 1, true, gTXNScrollActionProc, &m_sbHorizontal );
2105         SetControlReference( m_sbHorizontal, (SInt32)this );
2106         SetControlAction( m_sbHorizontal, gTXNScrollActionProc );
2107         ShowControl( m_sbHorizontal );
2108         EmbedControl( m_sbHorizontal, m_controlRef );
2109         frameOptions &= ~(kTXNWantHScrollBarMask | kTXNDrawGrowIconMask);
2110     }
2111
2112     err = TXNNewObject(
2113         NULL, m_txnWindow, &bounds, frameOptions,
2114         kTXNTextEditStyleFrameType, kTXNTextensionFile, kTXNSystemDefaultEncoding,
2115         &m_txn, &m_txnFrameID, NULL );
2116     verify_noerr( err );
2117
2118 #if 0
2119     TXNControlTag iControlTags[] = { kTXNUseCarbonEvents };
2120     TXNControlData iControlData[] = { { (UInt32)&cInfo } };
2121     int toptag = WXSIZEOF( iControlTags ) ;
2122     TXNCarbonEventInfo cInfo ;
2123     cInfo.useCarbonEvents = false ;
2124     cInfo.filler = 0 ;
2125     cInfo.flags = 0 ;
2126     cInfo.fDictionary = NULL ;
2127
2128     verify_noerr( TXNSetTXNObjectControls( m_txn, false, toptag, iControlTags, iControlData ) );
2129 #endif
2130
2131     TXNRegisterScrollInfoProc( m_txn, gTXNScrollInfoProc, (SInt32)this );
2132
2133     SetGWorld( origPort , origDev ) ;
2134
2135     return err;
2136 }
2137 #endif
2138
2139 // ----------------------------------------------------------------------------
2140 // MLTE control implementation (OSX part)
2141 // ----------------------------------------------------------------------------
2142
2143 // tiger multi-line textcontrols with no CR in the entire content
2144 // don't scroll automatically, so we need a hack.
2145 // This attempt only works 'before' the key (ie before CallNextEventHandler)
2146 // is processed, thus the scrolling always occurs one character too late, but
2147 // better than nothing ...
2148
2149 static const EventTypeSpec eventList[] =
2150 {
2151     { kEventClassTextInput, kEventTextInputUnicodeForKeyEvent } ,
2152 } ;
2153
2154 static pascal OSStatus wxMacUnicodeTextEventHandler( EventHandlerCallRef handler , EventRef event , void *data )
2155 {
2156     OSStatus result = eventNotHandledErr ;
2157     wxMacMLTEHIViewControl* focus = (wxMacMLTEHIViewControl*) data ;
2158
2159     switch ( GetEventKind( event ) )
2160     {
2161         case kEventTextInputUnicodeForKeyEvent :
2162         {
2163             TXNOffset from , to ;
2164             TXNGetSelection( focus->GetTXNObject() , &from , &to ) ;
2165             if ( from == to )
2166                 TXNShowSelection( focus->GetTXNObject() , kTXNShowStart );
2167             result = CallNextEventHandler(handler,event);
2168             break;
2169         }
2170         default:
2171             break ;
2172     }
2173
2174     return result ;
2175 }
2176
2177 static pascal OSStatus wxMacTextControlEventHandler( EventHandlerCallRef handler , EventRef event , void *data )
2178 {
2179     OSStatus result = eventNotHandledErr ;
2180
2181     switch ( GetEventClass( event ) )
2182     {
2183         case kEventClassTextInput :
2184             result = wxMacUnicodeTextEventHandler( handler , event , data ) ;
2185             break ;
2186
2187         default :
2188             break ;
2189     }
2190     return result ;
2191 }
2192
2193 DEFINE_ONE_SHOT_HANDLER_GETTER( wxMacTextControlEventHandler )
2194
2195 wxMacMLTEHIViewControl::wxMacMLTEHIViewControl( wxTextCtrl *wxPeer,
2196     const wxString& str,
2197     const wxPoint& pos,
2198     const wxSize& size, long style ) : wxMacMLTEControl( wxPeer )
2199 {
2200     m_font = wxPeer->GetFont() ;
2201     m_windowStyle = style ;
2202     Rect bounds = wxMacGetBoundsForControl( wxPeer , pos , size ) ;
2203     wxString st = str ;
2204     wxMacConvertNewlines10To13( &st ) ;
2205
2206     HIRect hr = {
2207         { bounds.left , bounds.top },
2208         { bounds.right - bounds.left, bounds.bottom - bounds.top } } ;
2209
2210     m_scrollView = NULL ;
2211     TXNFrameOptions frameOptions = FrameOptionsFromWXStyle( style ) ;
2212     if (( frameOptions & (kTXNWantVScrollBarMask | kTXNWantHScrollBarMask)) || (frameOptions &kTXNSingleLineOnlyMask))
2213     {
2214         if ( frameOptions & (kTXNWantVScrollBarMask | kTXNWantHScrollBarMask) )
2215         {
2216             HIScrollViewCreate(
2217                 (frameOptions & kTXNWantHScrollBarMask ? kHIScrollViewOptionsHorizScroll : 0)
2218                 | (frameOptions & kTXNWantVScrollBarMask ? kHIScrollViewOptionsVertScroll : 0) ,
2219                 &m_scrollView ) ;
2220         }
2221         else
2222         {
2223             HIScrollViewCreate(kHIScrollViewOptionsVertScroll,&m_scrollView);
2224             HIScrollViewSetScrollBarAutoHide(m_scrollView,true);
2225         }
2226
2227         HIViewSetFrame( m_scrollView, &hr );
2228         HIViewSetVisible( m_scrollView, true );
2229     }
2230
2231     m_textView = NULL ;
2232     HITextViewCreate( NULL , 0, frameOptions , &m_textView ) ;
2233     m_txn = HITextViewGetTXNObject( m_textView ) ;
2234     HIViewSetVisible( m_textView , true ) ;
2235     if ( m_scrollView )
2236     {
2237         HIViewAddSubview( m_scrollView , m_textView ) ;
2238         m_controlRef = m_scrollView ;
2239         InstallEventHandler( (WXWidget) m_textView ) ;
2240     }
2241     else
2242     {
2243         HIViewSetFrame( m_textView, &hr );
2244         m_controlRef = m_textView ;
2245     }
2246
2247     AdjustCreationAttributes( *wxWHITE , true ) ;
2248 #ifndef __LP64__
2249     wxMacWindowClipper c( GetWXPeer() ) ;
2250 #endif
2251     SetTXNData( st , kTXNStartOffset, kTXNEndOffset ) ;
2252
2253     TXNSetSelection( m_txn, 0, 0 );
2254     TXNShowSelection( m_txn, kTXNShowStart );
2255
2256     ::InstallControlEventHandler( m_textView , GetwxMacTextControlEventHandlerUPP(),
2257                                 GetEventTypeCount(eventList), eventList, this,
2258                                 NULL);
2259 }
2260
2261 wxMacMLTEHIViewControl::~wxMacMLTEHIViewControl()
2262 {
2263 }
2264
2265 bool wxMacMLTEHIViewControl::SetFocus()
2266 {
2267     return SetKeyboardFocus( GetControlOwner( m_textView ), m_textView, kControlFocusNextPart ) == noErr ;
2268 }
2269
2270 bool wxMacMLTEHIViewControl::HasFocus() const
2271 {
2272     ControlRef control ;
2273     if ( GetUserFocusWindow() == NULL )
2274         return false;
2275
2276     GetKeyboardFocus( GetUserFocusWindow() , &control ) ;
2277     return control == m_textView ;
2278 }
2279
2280 void wxMacMLTEHIViewControl::SetBackgroundColour(const wxColour& col )
2281 {
2282     HITextViewSetBackgroundColor( m_textView, col.GetPixel() );
2283 }
2284
2285 #endif // wxUSE_TEXTCTRL