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 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 ) ;
 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* parent,
 366                                     wxWindowID id,
 367                                     const wxString& str,
 368                                     const wxPoint& pos,
 369                                     const wxSize& size,
 370                                     long style,
 371                                     long 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 loose 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 ) : wxMacControl( wxPeer )
 474 {
 475 }
 476
 477 wxMacUnicodeTextControl::wxMacUnicodeTextControl( wxTextCtrl *wxPeer,
 478     const wxString& str,
 479     const wxPoint& pos,
 480     const wxSize& size, long style )
 481     : wxMacControl( wxPeer )
 482 {
 483     m_font = wxPeer->GetFont() ;
 484     m_windowStyle = style ;
 485     m_selection.selStart = m_selection.selEnd = 0;
 486     Rect bounds = wxMacGetBoundsForControl( wxPeer , pos , size ) ;
 487     wxString st = str ;
 488     wxMacConvertNewlines10To13( &st ) ;
 489     wxCFStringRef cf(st , m_font.GetEncoding()) ;
 490
 491     m_valueTag = kControlEditTextCFStringTag ;
 492     Boolean isPassword = ( m_windowStyle & wxTE_PASSWORD ) != 0 ;
 493     if ( isPassword )
 494     {
 495         m_valueTag = kControlEditTextPasswordCFStringTag ;
 496     }
 497     OSStatus err = CreateEditUnicodeTextControl(
 498         MAC_WXHWND(wxPeer->MacGetTopLevelWindowRef()), &bounds , cf ,
 499         isPassword , NULL , &m_controlRef ) ;
 500     verify_noerr( err );
 501
 502     if ( !(m_windowStyle & wxTE_MULTILINE) )
 503         SetData<Boolean>( kControlEditTextPart , kControlEditTextSingleLineTag , true ) ;
 504
 505     InstallEventHandlers();
 506 }
 507
 508 void wxMacUnicodeTextControl::InstallEventHandlers()
 509 {
 510     ::InstallControlEventHandler( m_controlRef , GetwxMacUnicodeTextControlEventHandlerUPP(),
 511                                 GetEventTypeCount(unicodeTextControlEventList), unicodeTextControlEventList, this,
 512                                 NULL);
 513 }
 514
 515 wxMacUnicodeTextControl::~wxMacUnicodeTextControl()
 516 {
 517 }
 518
 519 void wxMacUnicodeTextControl::VisibilityChanged(bool shown)
 520 {
 521     if ( !(m_windowStyle & wxTE_MULTILINE) && shown )
 522     {
 523         // work around a refresh issue insofar as not always the entire content is shown,
 524         // even if this would be possible
 525         ControlEditTextSelectionRec sel ;
 526         CFStringRef value = NULL ;
 527
 528         verify_noerr( GetData<ControlEditTextSelectionRec>( 0, kControlEditTextSelectionTag, &sel ) );
 529         verify_noerr( GetData<CFStringRef>( 0, m_valueTag, &value ) );
 530         verify_noerr( SetData<CFStringRef>( 0, m_valueTag, &value ) );
 531         verify_noerr( SetData<ControlEditTextSelectionRec>( 0, kControlEditTextSelectionTag, &sel ) );
 532
 533         CFRelease( value ) ;
 534     }
 535 }
 536
 537 wxString wxMacUnicodeTextControl::GetStringValue() const
 538 {
 539     wxString result ;
 540     CFStringRef value = GetData<CFStringRef>(0, m_valueTag) ;
 541     if ( value )
 542     {
 543         wxCFStringRef cf(value) ;
 544         result = cf.AsString() ;
 545     }
 546
 547 #if '\n' == 10
 548     wxMacConvertNewlines13To10( &result ) ;
 549 #else
 550     wxMacConvertNewlines10To13( &result ) ;
 551 #endif
 552
 553     return result ;
 554 }
 555
 556 void wxMacUnicodeTextControl::SetStringValue( const wxString &str )
 557 {
 558     wxString st = str ;
 559     wxMacConvertNewlines10To13( &st ) ;
 560     wxCFStringRef cf( st , m_font.GetEncoding() ) ;
 561     verify_noerr( SetData<CFStringRef>( 0, m_valueTag , cf ) ) ;
 562 }
 563
 564 void wxMacUnicodeTextControl::Copy()
 565 {
 566     SendHICommand( kHICommandCopy ) ;
 567 }
 568
 569 void wxMacUnicodeTextControl::Cut()
 570 {
 571     SendHICommand( kHICommandCut ) ;
 572 }
 573
 574 void wxMacUnicodeTextControl::Paste()
 575 {
 576     SendHICommand( kHICommandPaste ) ;
 577 }
 578
 579 bool wxMacUnicodeTextControl::CanPaste() const
 580 {
 581     return true ;
 582 }
 583
 584 void wxMacUnicodeTextControl::SetEditable(bool WXUNUSED(editable))
 585 {
 586 #if 0 // leads to problem because text cannot be selected anymore
 587     SetData<Boolean>( kControlEditTextPart , kControlEditTextLockedTag , (Boolean) !editable ) ;
 588 #endif
 589 }
 590
 591 void wxMacUnicodeTextControl::GetSelection( long* from, long* to ) const
 592 {
 593     ControlEditTextSelectionRec sel ;
 594     if (HasFocus())
 595         verify_noerr( GetData<ControlEditTextSelectionRec>( 0, kControlEditTextSelectionTag, &sel ) ) ;
 596     else
 597         sel = m_selection ;
 598
 599     if ( from )
 600         *from = sel.selStart ;
 601     if ( to )
 602         *to = sel.selEnd ;
 603 }
 604
 605 void wxMacUnicodeTextControl::SetSelection( long from , long to )
 606 {
 607     ControlEditTextSelectionRec sel ;
 608     wxString result ;
 609     int textLength = 0 ;
 610     CFStringRef value = GetData<CFStringRef>(0, m_valueTag) ;
 611     if ( value )
 612     {
 613         wxCFStringRef cf(value) ;
 614         textLength = cf.AsString().length() ;
 615     }
 616
 617     if ((from == -1) && (to == -1))
 618     {
 619         from = 0 ;
 620         to = textLength ;
 621     }
 622     else
 623     {
 624         from = wxMin(textLength,wxMax(from,0)) ;
 625         if ( to == -1 )
 626             to = textLength;
 627         else
 628             to = wxMax(0,wxMin(textLength,to)) ;
 629     }
 630
 631     sel.selStart = from ;
 632     sel.selEnd = to ;
 633     if ( HasFocus() )
 634         SetData<ControlEditTextSelectionRec>( 0, kControlEditTextSelectionTag, &sel ) ;
 635     else
 636         m_selection = sel;
 637 }
 638
 639 void wxMacUnicodeTextControl::WriteText( const wxString& str )
 640 {
 641     // TODO: this MPRemoting will be moved into a remoting peer proxy for any command
 642     if ( !wxIsMainThread() )
 643     {
 644 #if wxOSX_USE_CARBON
 645         // unfortunately CW 8 is not able to correctly deduce the template types,
 646         // so we have to instantiate explicitly
 647         wxMacMPRemoteGUICall<wxTextCtrl,wxString>( (wxTextCtrl*) GetWXPeer() , &wxTextCtrl::WriteText , str ) ;
 648 #endif
 649         return ;
 650     }
 651
 652     wxString st = str ;
 653     wxMacConvertNewlines10To13( &st ) ;
 654
 655     if ( HasFocus() )
 656     {
 657         wxCFStringRef cf(st , m_font.GetEncoding() ) ;
 658         CFStringRef value = cf ;
 659         SetData<CFStringRef>( 0, kControlEditTextInsertCFStringRefTag, &value );
 660     }
 661     else
 662     {
 663         wxString val = GetStringValue() ;
 664         long start , end ;
 665         GetSelection( &start , &end ) ;
 666         val.Remove( start , end - start ) ;
 667         val.insert( start , str ) ;
 668         SetStringValue( val ) ;
 669         SetSelection( start + str.length() , start + str.length() ) ;
 670     }
 671 }
 672
 673 // ----------------------------------------------------------------------------
 674 // MLTE control implementation (common part)
 675 // ----------------------------------------------------------------------------
 676
 677 // if MTLE is read only, no changes at all are allowed, not even from
 678 // procedural API, in order to allow changes via API all the same we must undo
 679 // the readonly status while we are executing, this class helps to do so
 680
 681 class wxMacEditHelper
 682 {
 683 public :
 684     wxMacEditHelper( TXNObject txn )
 685     {
 686         TXNControlTag tag[] = { kTXNIOPrivilegesTag } ;
 687         m_txn = txn ;
 688         TXNGetTXNObjectControls( m_txn , 1 , tag , m_data ) ;
 689         if ( m_data[0].uValue == kTXNReadOnly )
 690         {
 691             TXNControlData data[] = { { kTXNReadWrite } } ;
 692             TXNSetTXNObjectControls( m_txn , false , 1 , tag , data ) ;
 693         }
 694     }
 695
 696     ~wxMacEditHelper()
 697     {
 698         TXNControlTag tag[] = { kTXNIOPrivilegesTag } ;
 699         if ( m_data[0].uValue == kTXNReadOnly )
 700             TXNSetTXNObjectControls( m_txn , false , 1 , tag , m_data ) ;
 701     }
 702
 703 protected :
 704     TXNObject m_txn ;
 705     TXNControlData m_data[1] ;
 706 } ;
 707
 708 wxMacMLTEControl::wxMacMLTEControl( wxTextCtrl *peer )
 709     : wxMacControl( peer )
 710 {
 711     SetNeedsFocusRect( true ) ;
 712 }
 713
 714 wxString wxMacMLTEControl::GetStringValue() const
 715 {
 716     wxString result ;
 717     OSStatus err ;
 718     Size actualSize = 0;
 719
 720     {
 721 #if wxUSE_UNICODE
 722         Handle theText ;
 723         err = TXNGetDataEncoded( m_txn, kTXNStartOffset, kTXNEndOffset, &theText, kTXNUnicodeTextData );
 724
 725         // all done
 726         if ( err != noErr )
 727         {
 728             actualSize = 0 ;
 729         }
 730         else
 731         {
 732             actualSize = GetHandleSize( theText ) / sizeof(UniChar) ;
 733             if ( actualSize > 0 )
 734             {
 735                 wxChar *ptr = NULL ;
 736
 737 #if SIZEOF_WCHAR_T == 2
 738                 ptr = new wxChar[actualSize + 1] ;
 739                 wxStrncpy( ptr , (wxChar*)(*theText) , actualSize ) ;
 740 #else
 741                 SetHandleSize( theText, (actualSize + 1) * sizeof(UniChar) ) ;
 742                 HLock( theText ) ;
 743                 (((UniChar*)*theText)[actualSize]) = 0 ;
 744                 wxMBConvUTF16 converter ;
 745                 size_t noChars = converter.MB2WC( NULL , (const char*)*theText , 0 ) ;
 746                 wxASSERT_MSG( noChars != wxCONV_FAILED, _T("Unable to count the number of characters in this string!") );
 747                 ptr = new wxChar[noChars + 1] ;
 748
 749                 noChars = converter.MB2WC( ptr , (const char*)*theText , noChars + 1 ) ;
 750                 wxASSERT_MSG( noChars != wxCONV_FAILED, _T("Conversion of string failed!") );
 751                 ptr[noChars] = 0 ;
 752                 HUnlock( theText ) ;
 753 #endif
 754
 755                 ptr[actualSize] = 0 ;
 756                 result = wxString( ptr ) ;
 757                 delete [] ptr ;
 758             }
 759
 760             DisposeHandle( theText ) ;
 761         }
 762 #else
 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
 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, sizeof(typeAttr) / sizeof(TXNTypeAttributes),
 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 wx_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 {
1084     wxMacEditHelper help( m_txn ) ;
1085     TXNSetAttribute( wxTextAttr( foreground, wxNullColour, font ), kTXNStartOffset, kTXNEndOffset ) ;
1086 }
1087
1088 void wxMacMLTEControl::SetStyle( long start, long end, const wxTextAttr& style )
1089 {
1090     wxMacEditHelper help( m_txn ) ;
1091     TXNSetAttribute( style, start, end ) ;
1092 }
1093
1094 void wxMacMLTEControl::Copy()
1095 {
1096     TXNCopy( m_txn );
1097 }
1098
1099 void wxMacMLTEControl::Cut()
1100 {
1101     TXNCut( m_txn );
1102 }
1103
1104 void wxMacMLTEControl::Paste()
1105 {
1106     TXNPaste( m_txn );
1107 }
1108
1109 bool wxMacMLTEControl::CanPaste() const
1110 {
1111     return TXNIsScrapPastable() ;
1112 }
1113
1114 void wxMacMLTEControl::SetEditable(bool editable)
1115 {
1116     TXNControlTag tag[] = { kTXNIOPrivilegesTag } ;
1117     TXNControlData data[] = { { editable ? kTXNReadWrite : kTXNReadOnly } } ;
1118     TXNSetTXNObjectControls( m_txn, false, WXSIZEOF(tag), tag, data ) ;
1119 }
1120
1121 long wxMacMLTEControl::GetLastPosition() const
1122 {
1123     wxTextPos actualsize = 0 ;
1124
1125     Handle theText ;
1126     OSErr err = TXNGetDataEncoded( m_txn, kTXNStartOffset, kTXNEndOffset, &theText, kTXNTextData );
1127
1128     // all done
1129     if ( err == noErr )
1130     {
1131         actualsize = GetHandleSize( theText ) ;
1132         DisposeHandle( theText ) ;
1133     }
1134     else
1135     {
1136         actualsize = 0 ;
1137     }
1138
1139     return actualsize ;
1140 }
1141
1142 void wxMacMLTEControl::Replace( long from , long to , const wxString &str )
1143 {
1144     wxString value = str ;
1145     wxMacConvertNewlines10To13( &value ) ;
1146
1147     wxMacEditHelper help( m_txn ) ;
1148 #ifndef __LP64__
1149     wxMacWindowClipper c( GetWXPeer() ) ;
1150 #endif
1151
1152     TXNSetSelection( m_txn, from, to == -1 ? kTXNEndOffset : to ) ;
1153     TXNClear( m_txn ) ;
1154     SetTXNData( value, kTXNUseCurrentSelection, kTXNUseCurrentSelection ) ;
1155 }
1156
1157 void wxMacMLTEControl::Remove( long from , long to )
1158 {
1159 #ifndef __LP64__
1160     wxMacWindowClipper c( GetWXPeer() ) ;
1161 #endif
1162     wxMacEditHelper help( m_txn ) ;
1163     TXNSetSelection( m_txn , from , to ) ;
1164     TXNClear( m_txn ) ;
1165 }
1166
1167 void wxMacMLTEControl::GetSelection( long* from, long* to) const
1168 {
1169     TXNOffset f,t ;
1170     TXNGetSelection( m_txn , &f , &t ) ;
1171     *from = f;
1172     *to = t;
1173 }
1174
1175 void wxMacMLTEControl::SetSelection( long from , long to )
1176 {
1177 #ifndef __LP64__
1178     wxMacWindowClipper c( GetWXPeer() ) ;
1179 #endif
1180
1181     // change the selection
1182     if ((from == -1) && (to == -1))
1183         TXNSelectAll( m_txn );
1184     else
1185         TXNSetSelection( m_txn, from, to == -1 ? kTXNEndOffset : to );
1186
1187     TXNShowSelection( m_txn, kTXNShowStart );
1188 }
1189
1190 void wxMacMLTEControl::WriteText( const wxString& str )
1191 {
1192     // TODO: this MPRemoting will be moved into a remoting peer proxy for any command
1193     if ( !wxIsMainThread() )
1194     {
1195 #if wxOSX_USE_CARBON
1196         // unfortunately CW 8 is not able to correctly deduce the template types,
1197         // so we have to instantiate explicitly
1198         wxMacMPRemoteGUICall<wxTextCtrl,wxString>( (wxTextCtrl*) GetWXPeer() , &wxTextCtrl::WriteText , str ) ;
1199 #endif
1200         return ;
1201     }
1202
1203     wxString st = str ;
1204     wxMacConvertNewlines10To13( &st ) ;
1205
1206     long start , end , dummy ;
1207
1208     GetSelection( &start , &dummy ) ;
1209 #ifndef __LP64__
1210     wxMacWindowClipper c( GetWXPeer() ) ;
1211 #endif
1212
1213     {
1214         wxMacEditHelper helper( m_txn ) ;
1215         SetTXNData( st, kTXNUseCurrentSelection, kTXNUseCurrentSelection ) ;
1216     }
1217
1218     GetSelection( &dummy, &end ) ;
1219
1220     // TODO: SetStyle( start , end , GetDefaultStyle() ) ;
1221 }
1222
1223 void wxMacMLTEControl::Clear()
1224 {
1225 #ifndef __LP64__
1226     wxMacWindowClipper c( GetWXPeer() ) ;
1227 #endif
1228     wxMacEditHelper st( m_txn ) ;
1229     TXNSetSelection( m_txn , kTXNStartOffset , kTXNEndOffset ) ;
1230     TXNClear( m_txn ) ;
1231 }
1232
1233 bool wxMacMLTEControl::CanUndo() const
1234 {
1235     return TXNCanUndo( m_txn , NULL ) ;
1236 }
1237
1238 void wxMacMLTEControl::Undo()
1239 {
1240     TXNUndo( m_txn ) ;
1241 }
1242
1243 bool wxMacMLTEControl::CanRedo() const
1244 {
1245     return TXNCanRedo( m_txn , NULL ) ;
1246 }
1247
1248 void wxMacMLTEControl::Redo()
1249 {
1250     TXNRedo( m_txn ) ;
1251 }
1252
1253 int wxMacMLTEControl::GetNumberOfLines() const
1254 {
1255     ItemCount lines = 0 ;
1256     TXNGetLineCount( m_txn, &lines ) ;
1257
1258     return lines ;
1259 }
1260
1261 long wxMacMLTEControl::XYToPosition(long x, long y) const
1262 {
1263     Point curpt ;
1264     wxTextPos lastpos ;
1265
1266     // TODO: find a better implementation : while we can get the
1267     // line metrics of a certain line, we don't get its starting
1268     // position, so it would probably be rather a binary search
1269     // for the start position
1270     long xpos = 0, ypos = 0 ;
1271     int lastHeight = 0 ;
1272     ItemCount n ;
1273
1274     lastpos = GetLastPosition() ;
1275     for ( n = 0 ; n <= (ItemCount) lastpos ; ++n )
1276     {
1277         if ( y == ypos && x == xpos )
1278             return n ;
1279
1280         TXNOffsetToPoint( m_txn, n, &curpt ) ;
1281
1282         if ( curpt.v > lastHeight )
1283         {
1284             xpos = 0 ;
1285             if ( n > 0 )
1286                 ++ypos ;
1287
1288             lastHeight = curpt.v ;
1289         }
1290         else
1291             ++xpos ;
1292     }
1293
1294     return 0 ;
1295 }
1296
1297 bool wxMacMLTEControl::PositionToXY( long pos, long *x, long *y ) const
1298 {
1299     Point curpt ;
1300     wxTextPos lastpos ;
1301
1302     if ( y )
1303         *y = 0 ;
1304     if ( x )
1305         *x = 0 ;
1306
1307     lastpos = GetLastPosition() ;
1308     if ( pos <= lastpos )
1309     {
1310         // TODO: find a better implementation - while we can get the
1311         // line metrics of a certain line, we don't get its starting
1312         // position, so it would probably be rather a binary search
1313         // for the start position
1314         long xpos = 0, ypos = 0 ;
1315         int lastHeight = 0 ;
1316         ItemCount n ;
1317
1318         for ( n = 0 ; n <= (ItemCount) pos ; ++n )
1319         {
1320             TXNOffsetToPoint( m_txn, n, &curpt ) ;
1321
1322             if ( curpt.v > lastHeight )
1323             {
1324                 xpos = 0 ;
1325                 if ( n > 0 )
1326                     ++ypos ;
1327
1328                 lastHeight = curpt.v ;
1329             }
1330             else
1331                 ++xpos ;
1332         }
1333
1334         if ( y )
1335             *y = ypos ;
1336         if ( x )
1337             *x = xpos ;
1338     }
1339
1340     return false ;
1341 }
1342
1343 void wxMacMLTEControl::ShowPosition( long pos )
1344 {
1345     Point current, desired ;
1346     TXNOffset selstart, selend;
1347
1348     TXNGetSelection( m_txn, &selstart, &selend );
1349     TXNOffsetToPoint( m_txn, selstart, &current );
1350     TXNOffsetToPoint( m_txn, pos, &desired );
1351
1352     // TODO: use HIPoints for 10.3 and above
1353
1354     OSErr theErr = noErr;
1355     long dv = desired.v - current.v;
1356     long dh = desired.h - current.h;
1357     TXNShowSelection( m_txn, kTXNShowStart ) ; // NB: should this be kTXNShowStart or kTXNShowEnd ??
1358     theErr = TXNScroll( m_txn, kTXNScrollUnitsInPixels, kTXNScrollUnitsInPixels, &dv, &dh );
1359
1360     // there will be an error returned for classic MLTE implementation when the control is
1361     // invisible, but HITextView works correctly, so we don't assert that one
1362     // wxASSERT_MSG( theErr == noErr, _T("TXNScroll returned an error!") );
1363 }
1364
1365 void wxMacMLTEControl::SetTXNData( const wxString& st, TXNOffset start, TXNOffset end )
1366 {
1367 #if wxUSE_UNICODE
1368 #if SIZEOF_WCHAR_T == 2
1369     size_t len = st.length() ;
1370     TXNSetData( m_txn, kTXNUnicodeTextData, (void*)st.wc_str(), len * 2, start, end );
1371 #else
1372     wxMBConvUTF16 converter ;
1373     ByteCount byteBufferLen = converter.WC2MB( NULL, st.wc_str(), 0 ) ;
1374     wxASSERT_MSG( byteBufferLen != wxCONV_FAILED,
1375                   _T("Conversion to UTF-16 unexpectedly failed") );
1376     UniChar *unibuf = (UniChar*)malloc( byteBufferLen + 2 ) ; // 2 for NUL in UTF-16
1377     converter.WC2MB( (char*)unibuf, st.wc_str(), byteBufferLen + 2 ) ;
1378     TXNSetData( m_txn, kTXNUnicodeTextData, (void*)unibuf, byteBufferLen, start, end ) ;
1379     free( unibuf ) ;
1380 #endif
1381 #else
1382     wxCharBuffer text = st.mb_str( wxConvLocal ) ;
1383     TXNSetData( m_txn, kTXNTextData, (void*)text.data(), strlen( text ), start, end ) ;
1384 #endif
1385 }
1386
1387 wxString wxMacMLTEControl::GetLineText(long lineNo) const
1388 {
1389     wxString line ;
1390
1391     if ( lineNo < GetNumberOfLines() )
1392     {
1393         Point firstPoint;
1394         Fixed lineWidth, lineHeight, currentHeight;
1395         long ypos ;
1396
1397         // get the first possible position in the control
1398         TXNOffsetToPoint(m_txn, 0, &firstPoint);
1399
1400         // Iterate through the lines until we reach the one we want,
1401         // adding to our current y pixel point position
1402         ypos = 0 ;
1403         currentHeight = 0;
1404         while (ypos < lineNo)
1405         {
1406             TXNGetLineMetrics(m_txn, ypos++, &lineWidth, &lineHeight);
1407             currentHeight += lineHeight;
1408         }
1409
1410         Point thePoint = { firstPoint.v + (currentHeight >> 16), firstPoint.h + (0) };
1411         TXNOffset theOffset;
1412         TXNPointToOffset(m_txn, thePoint, &theOffset);
1413
1414         wxString content = GetStringValue() ;
1415         Point currentPoint = thePoint;
1416         while (thePoint.v == currentPoint.v && theOffset < content.length())
1417         {
1418             line += content[theOffset];
1419             TXNOffsetToPoint(m_txn, ++theOffset, &currentPoint);
1420         }
1421     }
1422
1423     return line ;
1424 }
1425
1426 int wxMacMLTEControl::GetLineLength(long lineNo) const
1427 {
1428     int theLength = 0;
1429
1430     if ( lineNo < GetNumberOfLines() )
1431     {
1432         Point firstPoint;
1433         Fixed lineWidth, lineHeight, currentHeight;
1434         long ypos;
1435
1436         // get the first possible position in the control
1437         TXNOffsetToPoint(m_txn, 0, &firstPoint);
1438
1439         // Iterate through the lines until we reach the one we want,
1440         // adding to our current y pixel point position
1441         ypos = 0;
1442         currentHeight = 0;
1443         while (ypos < lineNo)
1444         {
1445             TXNGetLineMetrics(m_txn, ypos++, &lineWidth, &lineHeight);
1446             currentHeight += lineHeight;
1447         }
1448
1449         Point thePoint = { firstPoint.v + (currentHeight >> 16), firstPoint.h + (0) };
1450         TXNOffset theOffset;
1451         TXNPointToOffset(m_txn, thePoint, &theOffset);
1452
1453         wxString content = GetStringValue() ;
1454         Point currentPoint = thePoint;
1455         while (thePoint.v == currentPoint.v && theOffset < content.length())
1456         {
1457             ++theLength;
1458             TXNOffsetToPoint(m_txn, ++theOffset, &currentPoint);
1459         }
1460     }
1461
1462     return theLength ;
1463 }
1464
1465 #if MAC_OS_X_VERSION_MIN_REQUIRED < MAC_OS_X_VERSION_10_5
1466
1467 // ----------------------------------------------------------------------------
1468 // MLTE control implementation (classic part)
1469 // ----------------------------------------------------------------------------
1470
1471 // OS X Notes : We still don't have a full replacement for MLTE, so this implementation
1472 // has to live on. We have different problems coming from outdated implementations on the
1473 // various OS X versions. Most deal with the scrollbars: they are not correctly embedded
1474 // while this can be solved on 10.3 by reassigning them the correct place, on 10.2 there is
1475 // no way out, therefore we are using our own implementation and our own scrollbars ....
1476
1477 TXNScrollInfoUPP gTXNScrollInfoProc = NULL ;
1478 ControlActionUPP gTXNScrollActionProc = NULL ;
1479
1480 pascal void wxMacMLTEClassicControl::TXNScrollInfoProc(
1481     SInt32 iValue, SInt32 iMaximumValue,
1482     TXNScrollBarOrientation iScrollBarOrientation, SInt32 iRefCon )
1483 {
1484     wxMacMLTEClassicControl* mlte = (wxMacMLTEClassicControl*) iRefCon ;
1485     SInt32 value =  wxMax( iValue , 0 ) ;
1486     SInt32 maximum = wxMax( iMaximumValue , 0 ) ;
1487
1488     if ( iScrollBarOrientation == kTXNHorizontal )
1489     {
1490         if ( mlte->m_sbHorizontal )
1491         {
1492             SetControl32BitValue( mlte->m_sbHorizontal , value ) ;
1493             SetControl32BitMaximum( mlte->m_sbHorizontal , maximum ) ;
1494             mlte->m_lastHorizontalValue = value ;
1495         }
1496     }
1497     else if ( iScrollBarOrientation == kTXNVertical )
1498     {
1499         if ( mlte->m_sbVertical )
1500         {
1501             SetControl32BitValue( mlte->m_sbVertical , value ) ;
1502             SetControl32BitMaximum( mlte->m_sbVertical , maximum ) ;
1503             mlte->m_lastVerticalValue = value ;
1504         }
1505     }
1506 }
1507
1508 pascal void wxMacMLTEClassicControl::TXNScrollActionProc( ControlRef controlRef , ControlPartCode partCode )
1509 {
1510     wxMacMLTEClassicControl* mlte = (wxMacMLTEClassicControl*) GetControlReference( controlRef ) ;
1511     if ( mlte == NULL )
1512         return ;
1513
1514     if ( controlRef != mlte->m_sbVertical && controlRef != mlte->m_sbHorizontal )
1515         return ;
1516
1517     OSStatus err ;
1518     bool isHorizontal = ( controlRef == mlte->m_sbHorizontal ) ;
1519
1520     SInt32 minimum = 0 ;
1521     SInt32 maximum = GetControl32BitMaximum( controlRef ) ;
1522     SInt32 value = GetControl32BitValue( controlRef ) ;
1523     SInt32 delta = 0;
1524
1525     switch ( partCode )
1526     {
1527         case kControlDownButtonPart :
1528             delta = 10 ;
1529             break ;
1530
1531         case kControlUpButtonPart :
1532             delta = -10 ;
1533             break ;
1534
1535         case kControlPageDownPart :
1536             delta = GetControlViewSize( controlRef ) ;
1537             break ;
1538
1539         case kControlPageUpPart :
1540             delta = -GetControlViewSize( controlRef ) ;
1541             break ;
1542
1543         case kControlIndicatorPart :
1544             delta = value - (isHorizontal ? mlte->m_lastHorizontalValue : mlte->m_lastVerticalValue) ;
1545             break ;
1546
1547         default :
1548             break ;
1549     }
1550
1551     if ( delta != 0 )
1552     {
1553         SInt32 newValue = value ;
1554
1555         if ( partCode != kControlIndicatorPart )
1556         {
1557             if ( value + delta < minimum )
1558                 delta = minimum - value ;
1559             if ( value + delta > maximum )
1560                 delta = maximum - value ;
1561
1562             SetControl32BitValue( controlRef , value + delta ) ;
1563             newValue = value + delta ;
1564         }
1565
1566         SInt32 verticalDelta = isHorizontal ? 0 : delta ;
1567         SInt32 horizontalDelta = isHorizontal ? delta : 0 ;
1568
1569         err = TXNScroll(
1570             mlte->m_txn, kTXNScrollUnitsInPixels, kTXNScrollUnitsInPixels,
1571             &verticalDelta, &horizontalDelta );
1572         verify_noerr( err );
1573
1574         if ( isHorizontal )
1575             mlte->m_lastHorizontalValue = newValue ;
1576         else
1577             mlte->m_lastVerticalValue = newValue ;
1578     }
1579 }
1580
1581 // make correct activations
1582 void wxMacMLTEClassicControl::MacActivatePaneText(bool setActive)
1583 {
1584     wxTextCtrl* textctrl = (wxTextCtrl*) GetControlReference(m_controlRef);
1585
1586     wxMacWindowClipper clipper( textctrl ) ;
1587     TXNActivate( m_txn, m_txnFrameID, setActive );
1588
1589     ControlRef controlFocus = 0 ;
1590     GetKeyboardFocus( m_txnWindow , &controlFocus ) ;
1591     if ( controlFocus == m_controlRef )
1592         TXNFocus( m_txn, setActive );
1593 }
1594
1595 void wxMacMLTEClassicControl::MacFocusPaneText(bool setFocus)
1596 {
1597     TXNFocus( m_txn, setFocus );
1598 }
1599
1600 // guards against inappropriate redraw (hidden objects drawing onto window)
1601
1602 void wxMacMLTEClassicControl::MacSetObjectVisibility(bool vis)
1603 {
1604     ControlRef controlFocus = 0 ;
1605     GetKeyboardFocus( m_txnWindow , &controlFocus ) ;
1606
1607     if ( !vis && (controlFocus == m_controlRef ) )
1608         SetKeyboardFocus( m_txnWindow , m_controlRef , kControlFocusNoPart ) ;
1609
1610     TXNControlTag iControlTags[1] = { kTXNVisibilityTag };
1611     TXNControlData iControlData[1] = { { (UInt32)false } };
1612
1613     verify_noerr( TXNGetTXNObjectControls( m_txn , 1, iControlTags, iControlData ) ) ;
1614
1615     if ( iControlData[0].uValue != vis )
1616     {
1617         iControlData[0].uValue = vis ;
1618         verify_noerr( TXNSetTXNObjectControls( m_txn, false , 1, iControlTags, iControlData ) ) ;
1619     }
1620
1621     // currently, we always clip as partial visibility (overlapped) visibility is also a problem,
1622     // if we run into further problems we might set the FrameBounds to an empty rect here
1623 }
1624
1625 // make sure that the TXNObject is at the right position
1626
1627 void wxMacMLTEClassicControl::MacUpdatePosition()
1628 {
1629     wxTextCtrl* textctrl = (wxTextCtrl*)GetControlReference( m_controlRef );
1630     if ( textctrl == NULL )
1631         return ;
1632
1633     Rect bounds ;
1634     GetRectInWindowCoords( &bounds );
1635
1636     wxRect visRect = textctrl->MacGetClippedClientRect() ;
1637     Rect visBounds = { visRect.y , visRect.x , visRect.y + visRect.height , visRect.x + visRect.width } ;
1638     int x , y ;
1639     x = y = 0 ;
1640     textctrl->MacWindowToRootWindow( &x , &y ) ;
1641     OffsetRect( &visBounds , x , y ) ;
1642
1643     if ( !EqualRect( &bounds, &m_txnControlBounds ) || !EqualRect( &visBounds, &m_txnVisBounds ) )
1644     {
1645         m_txnControlBounds = bounds ;
1646         m_txnVisBounds = visBounds ;
1647         wxMacWindowClipper cl( textctrl ) ;
1648
1649         if ( m_sbHorizontal || m_sbVertical )
1650         {
1651             int w = bounds.right - bounds.left ;
1652             int h = bounds.bottom - bounds.top ;
1653
1654             if ( m_sbHorizontal )
1655             {
1656                 Rect sbBounds ;
1657
1658                 sbBounds.left = -1 ;
1659                 sbBounds.top = h - 14 ;
1660                 sbBounds.right = w + 1 ;
1661                 sbBounds.bottom = h + 1 ;
1662
1663                 SetControlBounds( m_sbHorizontal , &sbBounds ) ;
1664                 SetControlViewSize( m_sbHorizontal , w ) ;
1665             }
1666
1667             if ( m_sbVertical )
1668             {
1669                 Rect sbBounds ;
1670
1671                 sbBounds.left = w - 14 ;
1672                 sbBounds.top = -1 ;
1673                 sbBounds.right = w + 1 ;
1674                 sbBounds.bottom = m_sbHorizontal ? h - 14 : h + 1 ;
1675
1676                 SetControlBounds( m_sbVertical , &sbBounds ) ;
1677                 SetControlViewSize( m_sbVertical , h ) ;
1678             }
1679         }
1680
1681         Rect oldviewRect ;
1682         TXNLongRect olddestRect ;
1683         TXNGetRectBounds( m_txn , &oldviewRect , &olddestRect , NULL ) ;
1684
1685         Rect viewRect = { m_txnControlBounds.top, m_txnControlBounds.left,
1686             m_txnControlBounds.bottom - ( m_sbHorizontal ? 14 : 0 ) ,
1687             m_txnControlBounds.right - ( m_sbVertical ? 14 : 0 ) } ;
1688         TXNLongRect destRect = { m_txnControlBounds.top, m_txnControlBounds.left,
1689             m_txnControlBounds.bottom - ( m_sbHorizontal ? 14 : 0 ) ,
1690             m_txnControlBounds.right - ( m_sbVertical ? 14 : 0 ) } ;
1691
1692         if ( olddestRect.right >= 10000 )
1693             destRect.right = destRect.left + 32000 ;
1694
1695         if ( olddestRect.bottom >= 0x20000000 )
1696             destRect.bottom = destRect.top + 0x40000000 ;
1697
1698         SectRect( &viewRect , &visBounds , &viewRect ) ;
1699         TXNSetRectBounds( m_txn , &viewRect , &destRect , true ) ;
1700
1701 #if 0
1702         TXNSetFrameBounds(
1703             m_txn,
1704             m_txnControlBounds.top,
1705             m_txnControlBounds.left,
1706             m_txnControlBounds.bottom - (m_sbHorizontal ? 14 : 0),
1707             m_txnControlBounds.right - (m_sbVertical ? 14 : 0),
1708             m_txnFrameID );
1709 #endif
1710
1711         // the SetFrameBounds method under Classic sometimes does not correctly scroll a selection into sight after a
1712         // movement, therefore we have to force it
1713
1714         // this problem has been reported in OSX as well, so we use this here once again
1715
1716         TXNLongRect textRect ;
1717         TXNGetRectBounds( m_txn , NULL , NULL , &textRect ) ;
1718         if ( textRect.left < m_txnControlBounds.left )
1719             TXNShowSelection( m_txn , kTXNShowStart ) ;
1720     }
1721 }
1722
1723 void wxMacMLTEClassicControl::Move(int x, int y, int width, int height)
1724 {
1725     wxMacControl::Move(x,y,width,height) ;
1726     MacUpdatePosition() ;
1727 }
1728
1729 void wxMacMLTEClassicControl::MacControlUserPaneDrawProc(wxInt16 WXUNUSED(thePart))
1730 {
1731     wxTextCtrl* textctrl = (wxTextCtrl*)GetControlReference( m_controlRef );
1732     if ( textctrl == NULL )
1733         return ;
1734
1735     if ( textctrl->IsShownOnScreen() )
1736     {
1737         wxMacWindowClipper clipper( textctrl ) ;
1738         TXNDraw( m_txn , NULL ) ;
1739     }
1740 }
1741
1742 wxInt16 wxMacMLTEClassicControl::MacControlUserPaneHitTestProc(wxInt16 x, wxInt16 y)
1743 {
1744     Point where = { y , x } ;
1745     ControlPartCode result = kControlNoPart;
1746
1747     wxTextCtrl* textctrl = (wxTextCtrl*) GetControlReference( m_controlRef );
1748     if ( (textctrl != NULL) && textctrl->IsShownOnScreen() )
1749     {
1750         if (PtInRect( where, &m_txnControlBounds ))
1751         {
1752             result = kControlEditTextPart ;
1753         }
1754         else
1755         {
1756             // sometimes we get the coords also in control local coordinates, therefore test again
1757             int x = 0 , y = 0 ;
1758             textctrl->MacClientToRootWindow( &x , &y ) ;
1759             where.h += x ;
1760             where.v += y ;
1761
1762             if (PtInRect( where, &m_txnControlBounds ))
1763                 result = kControlEditTextPart ;
1764         }
1765     }
1766
1767     return result;
1768 }
1769
1770 wxInt16 wxMacMLTEClassicControl::MacControlUserPaneTrackingProc( wxInt16 x, wxInt16 y, void* WXUNUSED(actionProc) )
1771 {
1772     ControlPartCode result = kControlNoPart;
1773
1774     wxTextCtrl* textctrl = (wxTextCtrl*) GetControlReference( m_controlRef );
1775     if ( (textctrl != NULL) && textctrl->IsShownOnScreen() )
1776     {
1777         Point startPt = { y , x } ;
1778
1779         // for compositing, we must convert these into toplevel window coordinates, because hittesting expects them
1780         int x = 0 , y = 0 ;
1781         textctrl->MacClientToRootWindow( &x , &y ) ;
1782         startPt.h += x ;
1783         startPt.v += y ;
1784
1785         switch (MacControlUserPaneHitTestProc( startPt.h , startPt.v ))
1786         {
1787             case kControlEditTextPart :
1788             {
1789                 wxMacWindowClipper clipper( textctrl ) ;
1790                 EventRecord rec ;
1791
1792                 ConvertEventRefToEventRecord( (EventRef) wxTheApp->MacGetCurrentEvent() , &rec ) ;
1793                 TXNClick( m_txn, &rec );
1794             }
1795                 break;
1796
1797             default :
1798                 break;
1799         }
1800     }
1801
1802     return result;
1803 }
1804
1805 void wxMacMLTEClassicControl::MacControlUserPaneIdleProc()
1806 {
1807     wxTextCtrl* textctrl = (wxTextCtrl*)GetControlReference( m_controlRef );
1808     if ( textctrl == NULL )
1809         return ;
1810
1811     if (textctrl->IsShownOnScreen())
1812     {
1813         if (IsControlActive(m_controlRef))
1814         {
1815             Point mousep;
1816
1817             wxMacWindowClipper clipper( textctrl ) ;
1818             GetMouse(&mousep);
1819
1820             TXNIdle(m_txn);
1821
1822             if (PtInRect(mousep, &m_txnControlBounds))
1823             {
1824                 RgnHandle theRgn = NewRgn();
1825                 RectRgn(theRgn, &m_txnControlBounds);
1826                 TXNAdjustCursor(m_txn, theRgn);
1827                 DisposeRgn(theRgn);
1828             }
1829         }
1830     }
1831 }
1832
1833 wxInt16 wxMacMLTEClassicControl::MacControlUserPaneKeyDownProc (wxInt16 keyCode, wxInt16 charCode, wxInt16 modifiers)
1834 {
1835     wxTextCtrl* textctrl = (wxTextCtrl*)GetControlReference( m_controlRef );
1836     if ( textctrl == NULL )
1837         return kControlNoPart;
1838
1839     wxMacWindowClipper clipper( textctrl ) ;
1840
1841     EventRecord ev ;
1842     memset( &ev , 0 , sizeof( ev ) ) ;
1843     ev.what = keyDown ;
1844     ev.modifiers = modifiers ;
1845     ev.message = ((keyCode << 8) & keyCodeMask) | (charCode & charCodeMask);
1846     TXNKeyDown( m_txn , &ev );
1847
1848     return kControlEntireControl;
1849 }
1850
1851 void wxMacMLTEClassicControl::MacControlUserPaneActivateProc(bool activating)
1852 {
1853     MacActivatePaneText( activating );
1854 }
1855
1856 wxInt16 wxMacMLTEClassicControl::MacControlUserPaneFocusProc(wxInt16 action)
1857 {
1858     ControlPartCode focusResult = kControlFocusNoPart;
1859
1860     wxTextCtrl* textctrl = (wxTextCtrl*)GetControlReference( m_controlRef );
1861     if ( textctrl == NULL )
1862         return focusResult;
1863
1864     wxMacWindowClipper clipper( textctrl ) ;
1865
1866     ControlRef controlFocus = NULL ;
1867     GetKeyboardFocus( m_txnWindow , &controlFocus ) ;
1868     bool wasFocused = ( controlFocus == m_controlRef ) ;
1869
1870     switch (action)
1871     {
1872         case kControlFocusPrevPart:
1873         case kControlFocusNextPart:
1874             MacFocusPaneText( !wasFocused );
1875             focusResult = (!wasFocused ? (ControlPartCode) kControlEditTextPart : (ControlPartCode) kControlFocusNoPart);
1876             break;
1877
1878         case kControlFocusNoPart:
1879         default:
1880             MacFocusPaneText( false );
1881             focusResult = kControlFocusNoPart;
1882             break;
1883     }
1884
1885     return focusResult;
1886 }
1887
1888 void wxMacMLTEClassicControl::MacControlUserPaneBackgroundProc( void *WXUNUSED(info) )
1889 {
1890 }
1891
1892 wxMacMLTEClassicControl::wxMacMLTEClassicControl( wxTextCtrl *wxPeer,
1893     const wxString& str,
1894     const wxPoint& pos,
1895     const wxSize& size, long style )
1896     : wxMacMLTEControl( wxPeer )
1897 {
1898     m_font = wxPeer->GetFont() ;
1899     m_windowStyle = style ;
1900     Rect bounds = wxMacGetBoundsForControl( wxPeer , pos , size ) ;
1901
1902     short featureSet =
1903         kControlSupportsEmbedding | kControlSupportsFocus | kControlWantsIdle
1904         | kControlWantsActivate  | kControlHandlesTracking
1905 //    | kControlHasSpecialBackground
1906         | kControlGetsFocusOnClick | kControlSupportsLiveFeedback;
1907
1908    OSStatus err = ::CreateUserPaneControl(
1909         MAC_WXHWND(wxPeer->GetParent()->MacGetTopLevelWindowRef()),
1910         &bounds, featureSet, &m_controlRef );
1911     verify_noerr( err );
1912     SetControlReference( m_controlRef , (URefCon) wxPeer );
1913
1914     DoCreate();
1915
1916     AdjustCreationAttributes( *wxWHITE , true ) ;
1917
1918     MacSetObjectVisibility( wxPeer->IsShownOnScreen() ) ;
1919
1920     {
1921         wxString st = str ;
1922         wxMacConvertNewlines10To13( &st ) ;
1923         wxMacWindowClipper clipper( GetWXPeer() ) ;
1924         SetTXNData( st , kTXNStartOffset, kTXNEndOffset ) ;
1925         TXNSetSelection( m_txn, 0, 0 ) ;
1926     }
1927 }
1928
1929 wxMacMLTEClassicControl::~wxMacMLTEClassicControl()
1930 {
1931     TXNDeleteObject( m_txn );
1932     m_txn = NULL ;
1933 }
1934
1935 void wxMacMLTEClassicControl::VisibilityChanged(bool shown)
1936 {
1937     MacSetObjectVisibility( shown ) ;
1938     wxMacControl::VisibilityChanged( shown ) ;
1939 }
1940
1941 void wxMacMLTEClassicControl::SuperChangedPosition()
1942 {
1943     MacUpdatePosition() ;
1944     wxMacControl::SuperChangedPosition() ;
1945 }
1946
1947 ControlUserPaneDrawUPP gTPDrawProc = NULL;
1948 ControlUserPaneHitTestUPP gTPHitProc = NULL;
1949 ControlUserPaneTrackingUPP gTPTrackProc = NULL;
1950 ControlUserPaneIdleUPP gTPIdleProc = NULL;
1951 ControlUserPaneKeyDownUPP gTPKeyProc = NULL;
1952 ControlUserPaneActivateUPP gTPActivateProc = NULL;
1953 ControlUserPaneFocusUPP gTPFocusProc = NULL;
1954
1955 static pascal void wxMacControlUserPaneDrawProc(ControlRef control, SInt16 part)
1956 {
1957     wxTextCtrl *textCtrl =  wxDynamicCast( wxFindWindowFromWXWidget( (WXWidget) control) , wxTextCtrl ) ;
1958     wxMacMLTEClassicControl * win = textCtrl ? (wxMacMLTEClassicControl*)(textCtrl->GetPeer()) : NULL ;
1959     if ( win )
1960         win->MacControlUserPaneDrawProc( part ) ;
1961 }
1962
1963 static pascal ControlPartCode wxMacControlUserPaneHitTestProc(ControlRef control, Point where)
1964 {
1965     wxTextCtrl *textCtrl =  wxDynamicCast( wxFindWindowFromWXWidget( (WXWidget) control) , wxTextCtrl ) ;
1966     wxMacMLTEClassicControl * win = textCtrl ? (wxMacMLTEClassicControl*)(textCtrl->GetPeer()) : NULL ;
1967     if ( win )
1968         return win->MacControlUserPaneHitTestProc( where.h , where.v ) ;
1969     else
1970         return kControlNoPart ;
1971 }
1972
1973 static pascal ControlPartCode wxMacControlUserPaneTrackingProc(ControlRef control, Point startPt, ControlActionUPP actionProc)
1974 {
1975     wxTextCtrl *textCtrl =  wxDynamicCast( wxFindWindowFromWXWidget( (WXWidget) control) , wxTextCtrl ) ;
1976     wxMacMLTEClassicControl * win = textCtrl ? (wxMacMLTEClassicControl*)(textCtrl->GetPeer()) : NULL ;
1977     if ( win )
1978         return win->MacControlUserPaneTrackingProc( startPt.h , startPt.v , (void*) actionProc ) ;
1979     else
1980         return kControlNoPart ;
1981 }
1982
1983 static pascal void wxMacControlUserPaneIdleProc(ControlRef control)
1984 {
1985     wxTextCtrl *textCtrl =  wxDynamicCast( wxFindWindowFromWXWidget((WXWidget) control) , wxTextCtrl ) ;
1986     wxMacMLTEClassicControl * win = textCtrl ? (wxMacMLTEClassicControl*)(textCtrl->GetPeer()) : NULL ;
1987     if ( win )
1988         win->MacControlUserPaneIdleProc() ;
1989 }
1990
1991 static pascal ControlPartCode wxMacControlUserPaneKeyDownProc(ControlRef control, SInt16 keyCode, SInt16 charCode, SInt16 modifiers)
1992 {
1993     wxTextCtrl *textCtrl =  wxDynamicCast( wxFindWindowFromWXWidget((WXWidget) control) , wxTextCtrl ) ;
1994     wxMacMLTEClassicControl * win = textCtrl ? (wxMacMLTEClassicControl*)(textCtrl->GetPeer()) : NULL ;
1995     if ( win )
1996         return win->MacControlUserPaneKeyDownProc( keyCode, charCode, modifiers ) ;
1997     else
1998         return kControlNoPart ;
1999 }
2000
2001 static pascal void wxMacControlUserPaneActivateProc(ControlRef control, Boolean activating)
2002 {
2003     wxTextCtrl *textCtrl =  wxDynamicCast( wxFindWindowFromWXWidget( (WXWidget)control) , wxTextCtrl ) ;
2004     wxMacMLTEClassicControl * win = textCtrl ? (wxMacMLTEClassicControl*)(textCtrl->GetPeer()) : NULL ;
2005     if ( win )
2006         win->MacControlUserPaneActivateProc( activating ) ;
2007 }
2008
2009 static pascal ControlPartCode wxMacControlUserPaneFocusProc(ControlRef control, ControlFocusPart action)
2010 {
2011     wxTextCtrl *textCtrl =  wxDynamicCast( wxFindWindowFromWXWidget((WXWidget) control) , wxTextCtrl ) ;
2012     wxMacMLTEClassicControl * win = textCtrl ? (wxMacMLTEClassicControl*)(textCtrl->GetPeer()) : NULL ;
2013     if ( win )
2014         return win->MacControlUserPaneFocusProc( action ) ;
2015     else
2016         return kControlNoPart ;
2017 }
2018
2019 #if 0
2020 static pascal void wxMacControlUserPaneBackgroundProc(ControlRef control, ControlBackgroundPtr info)
2021 {
2022     wxTextCtrl *textCtrl =  wxDynamicCast( wxFindWindowFromWXWidget(control) , wxTextCtrl ) ;
2023     wxMacMLTEClassicControl * win = textCtrl ? (wxMacMLTEClassicControl*)(textCtrl->GetPeer()) : NULL ;
2024     if ( win )
2025         win->MacControlUserPaneBackgroundProc(info) ;
2026 }
2027 #endif
2028
2029 // TXNRegisterScrollInfoProc
2030
2031 OSStatus wxMacMLTEClassicControl::DoCreate()
2032 {
2033     Rect bounds;
2034     OSStatus err = noErr ;
2035
2036     // set up our globals
2037     if (gTPDrawProc == NULL) gTPDrawProc = NewControlUserPaneDrawUPP(wxMacControlUserPaneDrawProc);
2038     if (gTPHitProc == NULL) gTPHitProc = NewControlUserPaneHitTestUPP(wxMacControlUserPaneHitTestProc);
2039     if (gTPTrackProc == NULL) gTPTrackProc = NewControlUserPaneTrackingUPP(wxMacControlUserPaneTrackingProc);
2040     if (gTPIdleProc == NULL) gTPIdleProc = NewControlUserPaneIdleUPP(wxMacControlUserPaneIdleProc);
2041     if (gTPKeyProc == NULL) gTPKeyProc = NewControlUserPaneKeyDownUPP(wxMacControlUserPaneKeyDownProc);
2042     if (gTPActivateProc == NULL) gTPActivateProc = NewControlUserPaneActivateUPP(wxMacControlUserPaneActivateProc);
2043     if (gTPFocusProc == NULL) gTPFocusProc = NewControlUserPaneFocusUPP(wxMacControlUserPaneFocusProc);
2044
2045     if (gTXNScrollInfoProc == NULL ) gTXNScrollInfoProc = NewTXNScrollInfoUPP(TXNScrollInfoProc) ;
2046     if (gTXNScrollActionProc == NULL ) gTXNScrollActionProc = NewControlActionUPP(TXNScrollActionProc) ;
2047
2048     // set the initial settings for our private data
2049
2050     m_txnWindow = GetControlOwner(m_controlRef);
2051     m_txnPort = (GrafPtr) GetWindowPort(m_txnWindow);
2052
2053     // set up the user pane procedures
2054     SetControlData(m_controlRef, kControlEntireControl, kControlUserPaneDrawProcTag, sizeof(gTPDrawProc), &gTPDrawProc);
2055     SetControlData(m_controlRef, kControlEntireControl, kControlUserPaneHitTestProcTag, sizeof(gTPHitProc), &gTPHitProc);
2056     SetControlData(m_controlRef, kControlEntireControl, kControlUserPaneTrackingProcTag, sizeof(gTPTrackProc), &gTPTrackProc);
2057     SetControlData(m_controlRef, kControlEntireControl, kControlUserPaneIdleProcTag, sizeof(gTPIdleProc), &gTPIdleProc);
2058     SetControlData(m_controlRef, kControlEntireControl, kControlUserPaneKeyDownProcTag, sizeof(gTPKeyProc), &gTPKeyProc);
2059     SetControlData(m_controlRef, kControlEntireControl, kControlUserPaneActivateProcTag, sizeof(gTPActivateProc), &gTPActivateProc);
2060     SetControlData(m_controlRef, kControlEntireControl, kControlUserPaneFocusProcTag, sizeof(gTPFocusProc), &gTPFocusProc);
2061
2062     // calculate the rectangles used by the control
2063     GetRectInWindowCoords( &bounds );
2064
2065     m_txnControlBounds = bounds ;
2066     m_txnVisBounds = bounds ;
2067
2068     CGrafPtr origPort ;
2069     GDHandle origDev ;
2070
2071     GetGWorld( &origPort, &origDev ) ;
2072     SetPort( m_txnPort );
2073
2074     // create the new edit field
2075     TXNFrameOptions frameOptions = FrameOptionsFromWXStyle( m_windowStyle );
2076
2077     // the scrollbars are not correctly embedded but are inserted at the root:
2078     // this gives us problems as we have erratic redraws even over the structure area
2079
2080     m_sbHorizontal = 0 ;
2081     m_sbVertical = 0 ;
2082     m_lastHorizontalValue = 0 ;
2083     m_lastVerticalValue = 0 ;
2084
2085     Rect sb = { 0 , 0 , 0 , 0 } ;
2086     if ( frameOptions & kTXNWantVScrollBarMask )
2087     {
2088         CreateScrollBarControl( m_txnWindow, &sb, 0, 0, 100, 1, true, gTXNScrollActionProc, &m_sbVertical );
2089         SetControlReference( m_sbVertical, (SInt32)this );
2090         SetControlAction( m_sbVertical, gTXNScrollActionProc );
2091         ShowControl( m_sbVertical );
2092         EmbedControl( m_sbVertical , m_controlRef );
2093         frameOptions &= ~kTXNWantVScrollBarMask;
2094     }
2095
2096     if ( frameOptions & kTXNWantHScrollBarMask )
2097     {
2098         CreateScrollBarControl( m_txnWindow, &sb, 0, 0, 100, 1, true, gTXNScrollActionProc, &m_sbHorizontal );
2099         SetControlReference( m_sbHorizontal, (SInt32)this );
2100         SetControlAction( m_sbHorizontal, gTXNScrollActionProc );
2101         ShowControl( m_sbHorizontal );
2102         EmbedControl( m_sbHorizontal, m_controlRef );
2103         frameOptions &= ~(kTXNWantHScrollBarMask | kTXNDrawGrowIconMask);
2104     }
2105
2106     err = TXNNewObject(
2107         NULL, m_txnWindow, &bounds, frameOptions,
2108         kTXNTextEditStyleFrameType, kTXNTextensionFile, kTXNSystemDefaultEncoding,
2109         &m_txn, &m_txnFrameID, NULL );
2110     verify_noerr( err );
2111
2112 #if 0
2113     TXNControlTag iControlTags[] = { kTXNUseCarbonEvents };
2114     TXNControlData iControlData[] = { { (UInt32)&cInfo } };
2115     int toptag = WXSIZEOF( iControlTags ) ;
2116     TXNCarbonEventInfo cInfo ;
2117     cInfo.useCarbonEvents = false ;
2118     cInfo.filler = 0 ;
2119     cInfo.flags = 0 ;
2120     cInfo.fDictionary = NULL ;
2121
2122     verify_noerr( TXNSetTXNObjectControls( m_txn, false, toptag, iControlTags, iControlData ) );
2123 #endif
2124
2125     TXNRegisterScrollInfoProc( m_txn, gTXNScrollInfoProc, (SInt32)this );
2126
2127     SetGWorld( origPort , origDev ) ;
2128
2129     return err;
2130 }
2131 #endif
2132
2133 // ----------------------------------------------------------------------------
2134 // MLTE control implementation (OSX part)
2135 // ----------------------------------------------------------------------------
2136
2137 // tiger multi-line textcontrols with no CR in the entire content
2138 // don't scroll automatically, so we need a hack.
2139 // This attempt only works 'before' the key (ie before CallNextEventHandler)
2140 // is processed, thus the scrolling always occurs one character too late, but
2141 // better than nothing ...
2142
2143 static const EventTypeSpec eventList[] =
2144 {
2145     { kEventClassTextInput, kEventTextInputUnicodeForKeyEvent } ,
2146 } ;
2147
2148 static pascal OSStatus wxMacUnicodeTextEventHandler( EventHandlerCallRef handler , EventRef event , void *data )
2149 {
2150     OSStatus result = eventNotHandledErr ;
2151     wxMacMLTEHIViewControl* focus = (wxMacMLTEHIViewControl*) data ;
2152
2153     switch ( GetEventKind( event ) )
2154     {
2155         case kEventTextInputUnicodeForKeyEvent :
2156         {
2157             TXNOffset from , to ;
2158             TXNGetSelection( focus->GetTXNObject() , &from , &to ) ;
2159             if ( from == to )
2160                 TXNShowSelection( focus->GetTXNObject() , kTXNShowStart );
2161             result = CallNextEventHandler(handler,event);
2162             break;
2163         }
2164         default:
2165             break ;
2166     }
2167
2168     return result ;
2169 }
2170
2171 static pascal OSStatus wxMacTextControlEventHandler( EventHandlerCallRef handler , EventRef event , void *data )
2172 {
2173     OSStatus result = eventNotHandledErr ;
2174
2175     switch ( GetEventClass( event ) )
2176     {
2177         case kEventClassTextInput :
2178             result = wxMacUnicodeTextEventHandler( handler , event , data ) ;
2179             break ;
2180
2181         default :
2182             break ;
2183     }
2184     return result ;
2185 }
2186
2187 DEFINE_ONE_SHOT_HANDLER_GETTER( wxMacTextControlEventHandler )
2188
2189 wxMacMLTEHIViewControl::wxMacMLTEHIViewControl( wxTextCtrl *wxPeer,
2190     const wxString& str,
2191     const wxPoint& pos,
2192     const wxSize& size, long style ) : wxMacMLTEControl( wxPeer )
2193 {
2194     m_font = wxPeer->GetFont() ;
2195     m_windowStyle = style ;
2196     Rect bounds = wxMacGetBoundsForControl( wxPeer , pos , size ) ;
2197     wxString st = str ;
2198     wxMacConvertNewlines10To13( &st ) ;
2199
2200     HIRect hr = {
2201         { bounds.left , bounds.top },
2202         { bounds.right - bounds.left, bounds.bottom - bounds.top } } ;
2203
2204     m_scrollView = NULL ;
2205     TXNFrameOptions frameOptions = FrameOptionsFromWXStyle( style ) ;
2206     if (( frameOptions & (kTXNWantVScrollBarMask | kTXNWantHScrollBarMask)) || (frameOptions &kTXNSingleLineOnlyMask))
2207     {
2208         if ( frameOptions & (kTXNWantVScrollBarMask | kTXNWantHScrollBarMask) )
2209         {
2210             HIScrollViewCreate(
2211                 (frameOptions & kTXNWantHScrollBarMask ? kHIScrollViewOptionsHorizScroll : 0)
2212                 | (frameOptions & kTXNWantVScrollBarMask ? kHIScrollViewOptionsVertScroll : 0) ,
2213                 &m_scrollView ) ;
2214         }
2215         else
2216         {
2217             HIScrollViewCreate(kHIScrollViewOptionsVertScroll,&m_scrollView);
2218             HIScrollViewSetScrollBarAutoHide(m_scrollView,true);
2219         }
2220
2221         HIViewSetFrame( m_scrollView, &hr );
2222         HIViewSetVisible( m_scrollView, true );
2223     }
2224
2225     m_textView = NULL ;
2226     HITextViewCreate( NULL , 0, frameOptions , &m_textView ) ;
2227     m_txn = HITextViewGetTXNObject( m_textView ) ;
2228     HIViewSetVisible( m_textView , true ) ;
2229     if ( m_scrollView )
2230     {
2231         HIViewAddSubview( m_scrollView , m_textView ) ;
2232         m_controlRef = m_scrollView ;
2233         InstallEventHandler( (WXWidget) m_textView ) ;
2234     }
2235     else
2236     {
2237         HIViewSetFrame( m_textView, &hr );
2238         m_controlRef = m_textView ;
2239     }
2240
2241     AdjustCreationAttributes( *wxWHITE , true ) ;
2242 #ifndef __LP64__
2243     wxMacWindowClipper c( GetWXPeer() ) ;
2244 #endif
2245     SetTXNData( st , kTXNStartOffset, kTXNEndOffset ) ;
2246
2247     TXNSetSelection( m_txn, 0, 0 );
2248     TXNShowSelection( m_txn, kTXNShowStart );
2249
2250     ::InstallControlEventHandler( m_textView , GetwxMacTextControlEventHandlerUPP(),
2251                                 GetEventTypeCount(eventList), eventList, this,
2252                                 NULL);
2253 }
2254
2255 wxMacMLTEHIViewControl::~wxMacMLTEHIViewControl()
2256 {
2257 }
2258
2259 bool wxMacMLTEHIViewControl::SetFocus()
2260 {
2261     return SetKeyboardFocus( GetControlOwner( m_textView ), m_textView, kControlFocusNextPart ) == noErr ;
2262 }
2263
2264 bool wxMacMLTEHIViewControl::HasFocus() const
2265 {
2266     ControlRef control ;
2267     if ( GetUserFocusWindow() == NULL )
2268         return false;
2269
2270     GetKeyboardFocus( GetUserFocusWindow() , &control ) ;
2271     return control == m_textView ;
2272 }
2273
2274 void wxMacMLTEHIViewControl::SetBackgroundColour(const wxColour& col )
2275 {
2276     HITextViewSetBackgroundColor( m_textView, col.GetPixel() );
2277 }
2278
2279 #endif // wxUSE_TEXTCTRL