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 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                                 (EventHandlerRef*) &m_macTextCtrlEventHandler);
 513 }
 514
 515 wxMacUnicodeTextControl::~wxMacUnicodeTextControl()
 516 {
 517     ::RemoveEventHandler((EventHandlerRef) m_macTextCtrlEventHandler);
 518 }
 519
 520 void wxMacUnicodeTextControl::VisibilityChanged(bool shown)
 521 {
 522     if ( !(m_windowStyle & wxTE_MULTILINE) && shown )
 523     {
 524         // work around a refresh issue insofar as not always the entire content is shown,
 525         // even if this would be possible
 526         ControlEditTextSelectionRec sel ;
 527         CFStringRef value = NULL ;
 528
 529         verify_noerr( GetData<ControlEditTextSelectionRec>( 0, kControlEditTextSelectionTag, &sel ) );
 530         verify_noerr( GetData<CFStringRef>( 0, m_valueTag, &value ) );
 531         verify_noerr( SetData<CFStringRef>( 0, m_valueTag, &value ) );
 532         verify_noerr( SetData<ControlEditTextSelectionRec>( 0, kControlEditTextSelectionTag, &sel ) );
 533
 534         CFRelease( value ) ;
 535     }
 536 }
 537
 538 wxString wxMacUnicodeTextControl::GetStringValue() const
 539 {
 540     wxString result ;
 541     CFStringRef value = GetData<CFStringRef>(0, m_valueTag) ;
 542     if ( value )
 543     {
 544         wxCFStringRef cf(value) ;
 545         result = cf.AsString() ;
 546     }
 547
 548 #if '\n' == 10
 549     wxMacConvertNewlines13To10( &result ) ;
 550 #else
 551     wxMacConvertNewlines10To13( &result ) ;
 552 #endif
 553
 554     return result ;
 555 }
 556
 557 void wxMacUnicodeTextControl::SetStringValue( const wxString &str )
 558 {
 559     wxString st = str ;
 560     wxMacConvertNewlines10To13( &st ) ;
 561     wxCFStringRef cf( st , m_font.GetEncoding() ) ;
 562     verify_noerr( SetData<CFStringRef>( 0, m_valueTag , cf ) ) ;
 563 }
 564
 565 void wxMacUnicodeTextControl::Copy()
 566 {
 567     SendHICommand( kHICommandCopy ) ;
 568 }
 569
 570 void wxMacUnicodeTextControl::Cut()
 571 {
 572     SendHICommand( kHICommandCut ) ;
 573 }
 574
 575 void wxMacUnicodeTextControl::Paste()
 576 {
 577     SendHICommand( kHICommandPaste ) ;
 578 }
 579
 580 bool wxMacUnicodeTextControl::CanPaste() const
 581 {
 582     return true ;
 583 }
 584
 585 void wxMacUnicodeTextControl::SetEditable(bool WXUNUSED(editable))
 586 {
 587 #if 0 // leads to problem because text cannot be selected anymore
 588     SetData<Boolean>( kControlEditTextPart , kControlEditTextLockedTag , (Boolean) !editable ) ;
 589 #endif
 590 }
 591
 592 void wxMacUnicodeTextControl::GetSelection( long* from, long* to ) const
 593 {
 594     ControlEditTextSelectionRec sel ;
 595     if (HasFocus())
 596         verify_noerr( GetData<ControlEditTextSelectionRec>( 0, kControlEditTextSelectionTag, &sel ) ) ;
 597     else
 598         sel = m_selection ;
 599
 600     if ( from )
 601         *from = sel.selStart ;
 602     if ( to )
 603         *to = sel.selEnd ;
 604 }
 605
 606 void wxMacUnicodeTextControl::SetSelection( long from , long to )
 607 {
 608     ControlEditTextSelectionRec sel ;
 609     wxString result ;
 610     int textLength = 0 ;
 611     CFStringRef value = GetData<CFStringRef>(0, m_valueTag) ;
 612     if ( value )
 613     {
 614         wxCFStringRef cf(value) ;
 615         textLength = cf.AsString().length() ;
 616     }
 617
 618     if ((from == -1) && (to == -1))
 619     {
 620         from = 0 ;
 621         to = textLength ;
 622     }
 623     else
 624     {
 625         from = wxMin(textLength,wxMax(from,0)) ;
 626         if ( to == -1 )
 627             to = textLength;
 628         else
 629             to = wxMax(0,wxMin(textLength,to)) ;
 630     }
 631
 632     sel.selStart = from ;
 633     sel.selEnd = to ;
 634     if ( HasFocus() )
 635         SetData<ControlEditTextSelectionRec>( 0, kControlEditTextSelectionTag, &sel ) ;
 636     else
 637         m_selection = sel;
 638 }
 639
 640 void wxMacUnicodeTextControl::WriteText( const wxString& str )
 641 {
 642     // TODO: this MPRemoting will be moved into a remoting peer proxy for any command
 643     if ( !wxIsMainThread() )
 644     {
 645 #if wxOSX_USE_CARBON
 646         // unfortunately CW 8 is not able to correctly deduce the template types,
 647         // so we have to instantiate explicitly
 648         wxMacMPRemoteGUICall<wxTextCtrl,wxString>( (wxTextCtrl*) GetWXPeer() , &wxTextCtrl::WriteText , str ) ;
 649 #endif
 650         return ;
 651     }
 652
 653     wxString st = str ;
 654     wxMacConvertNewlines10To13( &st ) ;
 655
 656     if ( HasFocus() )
 657     {
 658         wxCFStringRef cf(st , m_font.GetEncoding() ) ;
 659         CFStringRef value = cf ;
 660         SetData<CFStringRef>( 0, kControlEditTextInsertCFStringRefTag, &value );
 661     }
 662     else
 663     {
 664         wxString val = GetStringValue() ;
 665         long start , end ;
 666         GetSelection( &start , &end ) ;
 667         val.Remove( start , end - start ) ;
 668         val.insert( start , str ) ;
 669         SetStringValue( val ) ;
 670         SetSelection( start + str.length() , start + str.length() ) ;
 671     }
 672 }
 673
 674 // ----------------------------------------------------------------------------
 675 // MLTE control implementation (common part)
 676 // ----------------------------------------------------------------------------
 677
 678 // if MTLE is read only, no changes at all are allowed, not even from
 679 // procedural API, in order to allow changes via API all the same we must undo
 680 // the readonly status while we are executing, this class helps to do so
 681
 682 class wxMacEditHelper
 683 {
 684 public :
 685     wxMacEditHelper( TXNObject txn )
 686     {
 687         TXNControlTag tag[] = { kTXNIOPrivilegesTag } ;
 688         m_txn = txn ;
 689         TXNGetTXNObjectControls( m_txn , 1 , tag , m_data ) ;
 690         if ( m_data[0].uValue == kTXNReadOnly )
 691         {
 692             TXNControlData data[] = { { kTXNReadWrite } } ;
 693             TXNSetTXNObjectControls( m_txn , false , 1 , tag , data ) ;
 694         }
 695     }
 696
 697     ~wxMacEditHelper()
 698     {
 699         TXNControlTag tag[] = { kTXNIOPrivilegesTag } ;
 700         if ( m_data[0].uValue == kTXNReadOnly )
 701             TXNSetTXNObjectControls( m_txn , false , 1 , tag , m_data ) ;
 702     }
 703
 704 protected :
 705     TXNObject m_txn ;
 706     TXNControlData m_data[1] ;
 707 } ;
 708
 709 wxMacMLTEControl::wxMacMLTEControl( wxTextCtrl *peer )
 710     : wxMacControl( peer )
 711 {
 712     SetNeedsFocusRect( true ) ;
 713 }
 714
 715 wxString wxMacMLTEControl::GetStringValue() const
 716 {
 717     wxString result ;
 718     OSStatus err ;
 719     Size actualSize = 0;
 720
 721     {
 722 #if wxUSE_UNICODE
 723         Handle theText ;
 724         err = TXNGetDataEncoded( m_txn, kTXNStartOffset, kTXNEndOffset, &theText, kTXNUnicodeTextData );
 725
 726         // all done
 727         if ( err != noErr )
 728         {
 729             actualSize = 0 ;
 730         }
 731         else
 732         {
 733             actualSize = GetHandleSize( theText ) / sizeof(UniChar) ;
 734             if ( actualSize > 0 )
 735             {
 736                 wxChar *ptr = NULL ;
 737
 738 #if SIZEOF_WCHAR_T == 2
 739                 ptr = new wxChar[actualSize + 1] ;
 740                 wxStrncpy( ptr , (wxChar*)(*theText) , actualSize ) ;
 741 #else
 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, _T("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, _T("Conversion of string failed!") );
 752                 ptr[noChars] = 0 ;
 753                 HUnlock( theText ) ;
 754 #endif
 755
 756                 ptr[actualSize] = 0 ;
 757                 result = wxString( ptr ) ;
 758                 delete [] ptr ;
 759             }
 760
 761             DisposeHandle( theText ) ;
 762         }
 763 #else
 764         Handle theText ;
 765         err = TXNGetDataEncoded( m_txn , kTXNStartOffset, kTXNEndOffset, &theText, kTXNTextData );
 766
 767         // all done
 768         if ( err != noErr )
 769         {
 770             actualSize = 0 ;
 771         }
 772         else
 773         {
 774             actualSize = GetHandleSize( theText ) ;
 775             if ( actualSize > 0 )
 776             {
 777                 HLock( theText ) ;
 778                 result = wxString( *theText , wxConvLocal , actualSize ) ;
 779                 HUnlock( theText ) ;
 780             }
 781
 782             DisposeHandle( theText ) ;
 783         }
 784 #endif
 785     }
 786
 787 #if '\n' == 10
 788     wxMacConvertNewlines13To10( &result ) ;
 789 #else
 790     wxMacConvertNewlines10To13( &result ) ;
 791 #endif
 792
 793     return result ;
 794 }
 795
 796 void wxMacMLTEControl::SetStringValue( const wxString &str )
 797 {
 798     wxString st = str;
 799     wxMacConvertNewlines10To13( &st );
 800
 801     {
 802 #ifndef __LP64__
 803         wxMacWindowClipper c( GetWXPeer() ) ;
 804 #endif
 805
 806         {
 807             wxMacEditHelper help( m_txn );
 808             SetTXNData( st, kTXNStartOffset, kTXNEndOffset );
 809         }
 810
 811         TXNSetSelection( m_txn, 0, 0 );
 812         TXNShowSelection( m_txn, kTXNShowStart );
 813     }
 814 }
 815
 816 TXNFrameOptions wxMacMLTEControl::FrameOptionsFromWXStyle( long wxStyle )
 817 {
 818     TXNFrameOptions frameOptions = kTXNDontDrawCaretWhenInactiveMask;
 819
 820     frameOptions |= kTXNDoFontSubstitutionMask;
 821
 822     if ( ! (wxStyle & wxTE_NOHIDESEL) )
 823         frameOptions |= kTXNDontDrawSelectionWhenInactiveMask ;
 824
 825     if ( wxStyle & (wxHSCROLL | wxTE_DONTWRAP) )
 826         frameOptions |= kTXNWantHScrollBarMask ;
 827
 828     if ( wxStyle & wxTE_MULTILINE )
 829     {
 830         if ( ! (wxStyle & wxTE_DONTWRAP ) )
 831             frameOptions |= kTXNAlwaysWrapAtViewEdgeMask ;
 832
 833         if ( !(wxStyle & wxTE_NO_VSCROLL) )
 834         {
 835             frameOptions |= kTXNWantVScrollBarMask ;
 836
 837             // The following code causes drawing problems on 10.4. Perhaps it can be restored for
 838             // older versions of the OS, but I'm not sure it's appropriate to put a grow icon here
 839             // anyways, as AFAIK users can't actually use it to resize the text ctrl.
 840 //            if ( frameOptions & kTXNWantHScrollBarMask )
 841 //                frameOptions |= kTXNDrawGrowIconMask ;
 842         }
 843     }
 844     else
 845     {
 846         frameOptions |= kTXNSingleLineOnlyMask ;
 847     }
 848
 849     return frameOptions ;
 850 }
 851
 852 void wxMacMLTEControl::AdjustCreationAttributes(const wxColour &background,
 853                                                 bool WXUNUSED(visible))
 854 {
 855     TXNControlTag iControlTags[] =
 856         {
 857             kTXNDoFontSubstitution,
 858             kTXNWordWrapStateTag ,
 859         };
 860     TXNControlData iControlData[] =
 861         {
 862             { true },
 863             { kTXNNoAutoWrap },
 864         };
 865
 866     int toptag = WXSIZEOF( iControlTags ) ;
 867
 868     if ( m_windowStyle & wxTE_MULTILINE )
 869     {
 870         iControlData[1].uValue =
 871             (m_windowStyle & wxTE_DONTWRAP)
 872             ? kTXNNoAutoWrap
 873             : kTXNAutoWrap;
 874     }
 875
 876     OSStatus err = TXNSetTXNObjectControls( m_txn, false, toptag, iControlTags, iControlData ) ;
 877     verify_noerr( err );
 878
 879     // setting the default font:
 880     // under 10.2 this causes a visible caret, therefore we avoid it
 881
 882     Str255 fontName ;
 883     SInt16 fontSize ;
 884     Style fontStyle ;
 885
 886     GetThemeFont( kThemeSystemFont , GetApplicationScript() , fontName , &fontSize , &fontStyle ) ;
 887
 888     TXNTypeAttributes typeAttr[] =
 889     {
 890         { kTXNQDFontNameAttribute , kTXNQDFontNameAttributeSize , { (void*) fontName } } ,
 891         { kTXNQDFontSizeAttribute , kTXNFontSizeAttributeSize , { (void*) (fontSize << 16) } } ,
 892         { kTXNQDFontStyleAttribute , kTXNQDFontStyleAttributeSize , { (void*) normal } } ,
 893     } ;
 894
 895     err = TXNSetTypeAttributes(
 896         m_txn, WXSIZEOF(typeAttr),
 897         typeAttr, kTXNStartOffset, kTXNEndOffset );
 898     verify_noerr( err );
 899
 900     if ( m_windowStyle & wxTE_PASSWORD )
 901     {
 902         UniChar c = 0x00A5 ;
 903         err = TXNEchoMode( m_txn , c , 0 , true );
 904         verify_noerr( err );
 905     }
 906
 907     TXNBackground tback;
 908     tback.bgType = kTXNBackgroundTypeRGB;
 909     background.GetRGBColor( &tback.bg.color );
 910     TXNSetBackground( m_txn , &tback );
 911
 912
 913     TXNCommandEventSupportOptions options ;
 914     if ( TXNGetCommandEventSupport( m_txn, &options ) == noErr )
 915     {
 916         options |=
 917             kTXNSupportEditCommandProcessing
 918             | kTXNSupportEditCommandUpdating
 919             | kTXNSupportFontCommandProcessing
 920             | kTXNSupportFontCommandUpdating;
 921
 922         // only spell check when not read-only
 923         // use system options for the default
 924         bool checkSpelling = false ;
 925         if ( !(m_windowStyle & wxTE_READONLY) )
 926         {
 927 #if wxUSE_SYSTEM_OPTIONS
 928             if ( wxSystemOptions::HasOption( wxMAC_TEXTCONTROL_USE_SPELL_CHECKER ) && (wxSystemOptions::GetOptionInt( wxMAC_TEXTCONTROL_USE_SPELL_CHECKER ) == 1) )
 929             {
 930                 checkSpelling = true ;
 931             }
 932 #endif
 933         }
 934
 935         if ( checkSpelling )
 936             options |=
 937                 kTXNSupportSpellCheckCommandProcessing
 938                 | kTXNSupportSpellCheckCommandUpdating;
 939
 940         TXNSetCommandEventSupport( m_txn , options ) ;
 941     }
 942 }
 943
 944 void wxMacMLTEControl::SetBackgroundColour(const wxColour& col )
 945 {
 946     TXNBackground tback;
 947     tback.bgType = kTXNBackgroundTypeRGB;
 948     col.GetRGBColor(&tback.bg.color);
 949     TXNSetBackground( m_txn , &tback );
 950 }
 951
 952 static inline int wxConvertToTXN(int x)
 953 {
 954     return static_cast<int>(x / 254.0 * 72 + 0.5);
 955 }
 956
 957 void wxMacMLTEControl::TXNSetAttribute( const wxTextAttr& style , long from , long to )
 958 {
 959     TXNTypeAttributes typeAttr[4] ;
 960     RGBColor color ;
 961     size_t typeAttrCount = 0 ;
 962
 963     TXNMargins margins;
 964     TXNControlTag    controlTags[4];
 965     TXNControlData   controlData[4];
 966     size_t controlAttrCount = 0;
 967
 968     TXNTab* tabs = NULL;
 969
 970     bool relayout = false;
 971     wxFont font ;
 972
 973     if ( style.HasFont() )
 974     {
 975         wxASSERT( typeAttrCount < WXSIZEOF(typeAttr) );
 976         font = style.GetFont() ;
 977         typeAttr[typeAttrCount].tag = kTXNATSUIStyle ;
 978         typeAttr[typeAttrCount].size = kTXNATSUIStyleSize ;
 979         typeAttr[typeAttrCount].data.dataPtr = font.MacGetATSUStyle() ;
 980         typeAttrCount++ ;
 981     }
 982
 983     if ( style.HasTextColour() )
 984     {
 985         wxASSERT( typeAttrCount < WXSIZEOF(typeAttr) );
 986         style.GetTextColour().GetRGBColor( &color );
 987         typeAttr[typeAttrCount].tag = kTXNQDFontColorAttribute ;
 988         typeAttr[typeAttrCount].size = kTXNQDFontColorAttributeSize ;
 989         typeAttr[typeAttrCount].data.dataPtr = (void*) &color ;
 990         typeAttrCount++ ;
 991     }
 992
 993     if ( style.HasAlignment() )
 994     {
 995         wxASSERT( controlAttrCount < WXSIZEOF(controlTags) );
 996         SInt32 align;
 997
 998         switch ( style.GetAlignment() )
 999         {
1000             case wxTEXT_ALIGNMENT_LEFT:
1001                 align = kTXNFlushLeft;
1002                 break;
1003             case wxTEXT_ALIGNMENT_CENTRE:
1004                 align = kTXNCenter;
1005                 break;
1006             case wxTEXT_ALIGNMENT_RIGHT:
1007                 align = kTXNFlushRight;
1008                 break;
1009             case wxTEXT_ALIGNMENT_JUSTIFIED:
1010                 align = kTXNFullJust;
1011                 break;
1012             default :
1013             case wxTEXT_ALIGNMENT_DEFAULT:
1014                 align = kTXNFlushDefault;
1015                 break;
1016         }
1017
1018         controlTags[controlAttrCount] = kTXNJustificationTag ;
1019         controlData[controlAttrCount].sValue = align ;
1020         controlAttrCount++ ;
1021     }
1022
1023     if ( style.HasLeftIndent() || style.HasRightIndent() )
1024     {
1025         wxASSERT( controlAttrCount < WXSIZEOF(controlTags) );
1026         controlTags[controlAttrCount] = kTXNMarginsTag;
1027         controlData[controlAttrCount].marginsPtr = &margins;
1028         verify_noerr( TXNGetTXNObjectControls (m_txn, 1 ,
1029                                 &controlTags[controlAttrCount], &controlData[controlAttrCount]) );
1030         if ( style.HasLeftIndent() )
1031         {
1032             margins.leftMargin = wxConvertToTXN(style.GetLeftIndent());
1033         }
1034         if ( style.HasRightIndent() )
1035         {
1036             margins.rightMargin = wxConvertToTXN(style.GetRightIndent());
1037         }
1038         controlAttrCount++ ;
1039     }
1040
1041     if ( style.HasTabs() )
1042     {
1043         const wxArrayInt& tabarray = style.GetTabs();
1044         // unfortunately Mac only applies a tab distance, not individually different tabs
1045         controlTags[controlAttrCount] = kTXNTabSettingsTag;
1046         if ( tabarray.size() > 0 )
1047             controlData[controlAttrCount].tabValue.value = wxConvertToTXN(tabarray[0]);
1048         else
1049             controlData[controlAttrCount].tabValue.value = 72 ;
1050
1051         controlData[controlAttrCount].tabValue.tabType = kTXNLeftTab;
1052         controlAttrCount++ ;
1053     }
1054
1055     // unfortunately the relayout is not automatic
1056     if ( controlAttrCount > 0 )
1057     {
1058         verify_noerr( TXNSetTXNObjectControls (m_txn, false /* don't clear all */, controlAttrCount,
1059                                 controlTags, controlData) );
1060         relayout = true;
1061     }
1062
1063     if ( typeAttrCount > 0 )
1064     {
1065         verify_noerr( TXNSetTypeAttributes( m_txn , typeAttrCount, typeAttr, from , to ) );
1066         if (from != to)
1067             relayout = true;
1068     }
1069
1070     if ( tabs != NULL )
1071     {
1072         delete[] tabs;
1073     }
1074
1075     if ( relayout )
1076     {
1077         TXNRecalcTextLayout( m_txn );
1078     }
1079 }
1080
1081 void wxMacMLTEControl::SetFont(const wxFont & font,
1082                                const wxColour& foreground,
1083                                long WXUNUSED(windowStyle),
1084                                bool WXUNUSED(ignoreBlack))
1085 {
1086     wxMacEditHelper help( m_txn ) ;
1087     TXNSetAttribute( wxTextAttr( foreground, wxNullColour, font ), kTXNStartOffset, kTXNEndOffset ) ;
1088 }
1089
1090 void wxMacMLTEControl::SetStyle( long start, long end, const wxTextAttr& style )
1091 {
1092     wxMacEditHelper help( m_txn ) ;
1093     TXNSetAttribute( style, start, end ) ;
1094 }
1095
1096 void wxMacMLTEControl::Copy()
1097 {
1098     TXNCopy( m_txn );
1099 }
1100
1101 void wxMacMLTEControl::Cut()
1102 {
1103     TXNCut( m_txn );
1104 }
1105
1106 void wxMacMLTEControl::Paste()
1107 {
1108     TXNPaste( m_txn );
1109 }
1110
1111 bool wxMacMLTEControl::CanPaste() const
1112 {
1113     return TXNIsScrapPastable() ;
1114 }
1115
1116 void wxMacMLTEControl::SetEditable(bool editable)
1117 {
1118     TXNControlTag tag[] = { kTXNIOPrivilegesTag } ;
1119     TXNControlData data[] = { { editable ? kTXNReadWrite : kTXNReadOnly } } ;
1120     TXNSetTXNObjectControls( m_txn, false, WXSIZEOF(tag), tag, data ) ;
1121 }
1122
1123 long wxMacMLTEControl::GetLastPosition() const
1124 {
1125     wxTextPos actualsize = 0 ;
1126
1127     Handle theText ;
1128 #if wxUSE_UNICODE
1129     OSErr err = TXNGetDataEncoded( m_txn, kTXNStartOffset, kTXNEndOffset, &theText, kTXNUnicodeTextData );
1130     // all done
1131     if ( err == noErr )
1132     {
1133         actualsize = GetHandleSize( theText )/sizeof(UniChar);
1134         DisposeHandle( theText ) ;
1135     }
1136 #else
1137     OSErr err = TXNGetDataEncoded( m_txn, kTXNStartOffset, kTXNEndOffset, &theText, kTXNTextData );
1138
1139     // all done
1140     if ( err == noErr )
1141     {
1142         actualsize = GetHandleSize( theText ) ;
1143         DisposeHandle( theText ) ;
1144     }
1145 #endif
1146     else
1147     {
1148         actualsize = 0 ;
1149     }
1150
1151     return actualsize ;
1152 }
1153
1154 void wxMacMLTEControl::Replace( long from , long to , const wxString &str )
1155 {
1156     wxString value = str ;
1157     wxMacConvertNewlines10To13( &value ) ;
1158
1159     wxMacEditHelper help( m_txn ) ;
1160 #ifndef __LP64__
1161     wxMacWindowClipper c( GetWXPeer() ) ;
1162 #endif
1163
1164     TXNSetSelection( m_txn, from, to == -1 ? kTXNEndOffset : to ) ;
1165     TXNClear( m_txn ) ;
1166     SetTXNData( value, kTXNUseCurrentSelection, kTXNUseCurrentSelection ) ;
1167 }
1168
1169 void wxMacMLTEControl::Remove( long from , long to )
1170 {
1171 #ifndef __LP64__
1172     wxMacWindowClipper c( GetWXPeer() ) ;
1173 #endif
1174     wxMacEditHelper help( m_txn ) ;
1175     TXNSetSelection( m_txn , from , to ) ;
1176     TXNClear( m_txn ) ;
1177 }
1178
1179 void wxMacMLTEControl::GetSelection( long* from, long* to) const
1180 {
1181     TXNOffset f,t ;
1182     TXNGetSelection( m_txn , &f , &t ) ;
1183     *from = f;
1184     *to = t;
1185 }
1186
1187 void wxMacMLTEControl::SetSelection( long from , long to )
1188 {
1189 #ifndef __LP64__
1190     wxMacWindowClipper c( GetWXPeer() ) ;
1191 #endif
1192
1193     // change the selection
1194     if ((from == -1) && (to == -1))
1195         TXNSelectAll( m_txn );
1196     else
1197         TXNSetSelection( m_txn, from, to == -1 ? kTXNEndOffset : to );
1198
1199     TXNShowSelection( m_txn, kTXNShowStart );
1200 }
1201
1202 void wxMacMLTEControl::WriteText( const wxString& str )
1203 {
1204     // TODO: this MPRemoting will be moved into a remoting peer proxy for any command
1205     if ( !wxIsMainThread() )
1206     {
1207 #if wxOSX_USE_CARBON
1208         // unfortunately CW 8 is not able to correctly deduce the template types,
1209         // so we have to instantiate explicitly
1210         wxMacMPRemoteGUICall<wxTextCtrl,wxString>( (wxTextCtrl*) GetWXPeer() , &wxTextCtrl::WriteText , str ) ;
1211 #endif
1212         return ;
1213     }
1214
1215     wxString st = str ;
1216     wxMacConvertNewlines10To13( &st ) ;
1217
1218     long start , end , dummy ;
1219
1220     GetSelection( &start , &dummy ) ;
1221 #ifndef __LP64__
1222     wxMacWindowClipper c( GetWXPeer() ) ;
1223 #endif
1224
1225     {
1226         wxMacEditHelper helper( m_txn ) ;
1227         SetTXNData( st, kTXNUseCurrentSelection, kTXNUseCurrentSelection ) ;
1228     }
1229
1230     GetSelection( &dummy, &end ) ;
1231
1232     // TODO: SetStyle( start , end , GetDefaultStyle() ) ;
1233 }
1234
1235 void wxMacMLTEControl::Clear()
1236 {
1237 #ifndef __LP64__
1238     wxMacWindowClipper c( GetWXPeer() ) ;
1239 #endif
1240     wxMacEditHelper st( m_txn ) ;
1241     TXNSetSelection( m_txn , kTXNStartOffset , kTXNEndOffset ) ;
1242     TXNClear( m_txn ) ;
1243 }
1244
1245 bool wxMacMLTEControl::CanUndo() const
1246 {
1247     return TXNCanUndo( m_txn , NULL ) ;
1248 }
1249
1250 void wxMacMLTEControl::Undo()
1251 {
1252     TXNUndo( m_txn ) ;
1253 }
1254
1255 bool wxMacMLTEControl::CanRedo() const
1256 {
1257     return TXNCanRedo( m_txn , NULL ) ;
1258 }
1259
1260 void wxMacMLTEControl::Redo()
1261 {
1262     TXNRedo( m_txn ) ;
1263 }
1264
1265 int wxMacMLTEControl::GetNumberOfLines() const
1266 {
1267     ItemCount lines = 0 ;
1268     TXNGetLineCount( m_txn, &lines ) ;
1269
1270     return lines ;
1271 }
1272
1273 long wxMacMLTEControl::XYToPosition(long x, long y) const
1274 {
1275     Point curpt ;
1276     wxTextPos lastpos ;
1277
1278     // TODO: find a better implementation : while we can get the
1279     // line metrics of a certain line, we don't get its starting
1280     // position, so it would probably be rather a binary search
1281     // for the start position
1282     long xpos = 0, ypos = 0 ;
1283     int lastHeight = 0 ;
1284     ItemCount n ;
1285
1286     lastpos = GetLastPosition() ;
1287     for ( n = 0 ; n <= (ItemCount) lastpos ; ++n )
1288     {
1289         if ( y == ypos && x == xpos )
1290             return n ;
1291
1292         TXNOffsetToPoint( m_txn, n, &curpt ) ;
1293
1294         if ( curpt.v > lastHeight )
1295         {
1296             xpos = 0 ;
1297             if ( n > 0 )
1298                 ++ypos ;
1299
1300             lastHeight = curpt.v ;
1301         }
1302         else
1303             ++xpos ;
1304     }
1305
1306     return 0 ;
1307 }
1308
1309 bool wxMacMLTEControl::PositionToXY( long pos, long *x, long *y ) const
1310 {
1311     Point curpt ;
1312     wxTextPos lastpos ;
1313
1314     if ( y )
1315         *y = 0 ;
1316     if ( x )
1317         *x = 0 ;
1318
1319     lastpos = GetLastPosition() ;
1320     if ( pos <= lastpos )
1321     {
1322         // TODO: find a better implementation - while we can get the
1323         // line metrics of a certain line, we don't get its starting
1324         // position, so it would probably be rather a binary search
1325         // for the start position
1326         long xpos = 0, ypos = 0 ;
1327         int lastHeight = 0 ;
1328         ItemCount n ;
1329
1330         for ( n = 0 ; n <= (ItemCount) pos ; ++n )
1331         {
1332             TXNOffsetToPoint( m_txn, n, &curpt ) ;
1333
1334             if ( curpt.v > lastHeight )
1335             {
1336                 xpos = 0 ;
1337                 if ( n > 0 )
1338                     ++ypos ;
1339
1340                 lastHeight = curpt.v ;
1341             }
1342             else
1343                 ++xpos ;
1344         }
1345
1346         if ( y )
1347             *y = ypos ;
1348         if ( x )
1349             *x = xpos ;
1350     }
1351
1352     return false ;
1353 }
1354
1355 void wxMacMLTEControl::ShowPosition( long pos )
1356 {
1357     Point current, desired ;
1358     TXNOffset selstart, selend;
1359
1360     TXNGetSelection( m_txn, &selstart, &selend );
1361     TXNOffsetToPoint( m_txn, selstart, &current );
1362     TXNOffsetToPoint( m_txn, pos, &desired );
1363
1364     // TODO: use HIPoints for 10.3 and above
1365
1366     OSErr theErr = noErr;
1367     long dv = desired.v - current.v;
1368     long dh = desired.h - current.h;
1369     TXNShowSelection( m_txn, kTXNShowStart ) ; // NB: should this be kTXNShowStart or kTXNShowEnd ??
1370     theErr = TXNScroll( m_txn, kTXNScrollUnitsInPixels, kTXNScrollUnitsInPixels, &dv, &dh );
1371
1372     // there will be an error returned for classic MLTE implementation when the control is
1373     // invisible, but HITextView works correctly, so we don't assert that one
1374     // wxASSERT_MSG( theErr == noErr, _T("TXNScroll returned an error!") );
1375 }
1376
1377 void wxMacMLTEControl::SetTXNData( const wxString& st, TXNOffset start, TXNOffset end )
1378 {
1379 #if wxUSE_UNICODE
1380 #if SIZEOF_WCHAR_T == 2
1381     size_t len = st.length() ;
1382     TXNSetData( m_txn, kTXNUnicodeTextData, (void*)st.wc_str(), len * 2, start, end );
1383 #else
1384     wxMBConvUTF16 converter ;
1385     ByteCount byteBufferLen = converter.WC2MB( NULL, st.wc_str(), 0 ) ;
1386     wxASSERT_MSG( byteBufferLen != wxCONV_FAILED,
1387                   _T("Conversion to UTF-16 unexpectedly failed") );
1388     UniChar *unibuf = (UniChar*)malloc( byteBufferLen + 2 ) ; // 2 for NUL in UTF-16
1389     converter.WC2MB( (char*)unibuf, st.wc_str(), byteBufferLen + 2 ) ;
1390     TXNSetData( m_txn, kTXNUnicodeTextData, (void*)unibuf, byteBufferLen, start, end ) ;
1391     free( unibuf ) ;
1392 #endif
1393 #else
1394     wxCharBuffer text = st.mb_str( wxConvLocal ) ;
1395     TXNSetData( m_txn, kTXNTextData, (void*)text.data(), strlen( text ), start, end ) ;
1396 #endif
1397 }
1398
1399 wxString wxMacMLTEControl::GetLineText(long lineNo) const
1400 {
1401     wxString line ;
1402
1403     if ( lineNo < GetNumberOfLines() )
1404     {
1405         Point firstPoint;
1406         Fixed lineWidth, lineHeight, currentHeight;
1407         long ypos ;
1408
1409         // get the first possible position in the control
1410         TXNOffsetToPoint(m_txn, 0, &firstPoint);
1411
1412         // Iterate through the lines until we reach the one we want,
1413         // adding to our current y pixel point position
1414         ypos = 0 ;
1415         currentHeight = 0;
1416         while (ypos < lineNo)
1417         {
1418             TXNGetLineMetrics(m_txn, ypos++, &lineWidth, &lineHeight);
1419             currentHeight += lineHeight;
1420         }
1421
1422         Point thePoint = { firstPoint.v + (currentHeight >> 16), firstPoint.h + (0) };
1423         TXNOffset theOffset;
1424         TXNPointToOffset(m_txn, thePoint, &theOffset);
1425
1426         wxString content = GetStringValue() ;
1427         Point currentPoint = thePoint;
1428         while (thePoint.v == currentPoint.v && theOffset < content.length())
1429         {
1430             line += content[theOffset];
1431             TXNOffsetToPoint(m_txn, ++theOffset, &currentPoint);
1432         }
1433     }
1434
1435     return line ;
1436 }
1437
1438 int wxMacMLTEControl::GetLineLength(long lineNo) const
1439 {
1440     int theLength = 0;
1441
1442     if ( lineNo < GetNumberOfLines() )
1443     {
1444         Point firstPoint;
1445         Fixed lineWidth, lineHeight, currentHeight;
1446         long ypos;
1447
1448         // get the first possible position in the control
1449         TXNOffsetToPoint(m_txn, 0, &firstPoint);
1450
1451         // Iterate through the lines until we reach the one we want,
1452         // adding to our current y pixel point position
1453         ypos = 0;
1454         currentHeight = 0;
1455         while (ypos < lineNo)
1456         {
1457             TXNGetLineMetrics(m_txn, ypos++, &lineWidth, &lineHeight);
1458             currentHeight += lineHeight;
1459         }
1460
1461         Point thePoint = { firstPoint.v + (currentHeight >> 16), firstPoint.h + (0) };
1462         TXNOffset theOffset;
1463         TXNPointToOffset(m_txn, thePoint, &theOffset);
1464
1465         wxString content = GetStringValue() ;
1466         Point currentPoint = thePoint;
1467         while (thePoint.v == currentPoint.v && theOffset < content.length())
1468         {
1469             ++theLength;
1470             TXNOffsetToPoint(m_txn, ++theOffset, &currentPoint);
1471         }
1472     }
1473
1474     return theLength ;
1475 }
1476
1477 #if MAC_OS_X_VERSION_MIN_REQUIRED < MAC_OS_X_VERSION_10_5
1478
1479 // ----------------------------------------------------------------------------
1480 // MLTE control implementation (classic part)
1481 // ----------------------------------------------------------------------------
1482
1483 // OS X Notes : We still don't have a full replacement for MLTE, so this implementation
1484 // has to live on. We have different problems coming from outdated implementations on the
1485 // various OS X versions. Most deal with the scrollbars: they are not correctly embedded
1486 // while this can be solved on 10.3 by reassigning them the correct place, on 10.2 there is
1487 // no way out, therefore we are using our own implementation and our own scrollbars ....
1488
1489 TXNScrollInfoUPP gTXNScrollInfoProc = NULL ;
1490 ControlActionUPP gTXNScrollActionProc = NULL ;
1491
1492 pascal void wxMacMLTEClassicControl::TXNScrollInfoProc(
1493     SInt32 iValue, SInt32 iMaximumValue,
1494     TXNScrollBarOrientation iScrollBarOrientation, SInt32 iRefCon )
1495 {
1496     wxMacMLTEClassicControl* mlte = (wxMacMLTEClassicControl*) iRefCon ;
1497     SInt32 value =  wxMax( iValue , 0 ) ;
1498     SInt32 maximum = wxMax( iMaximumValue , 0 ) ;
1499
1500     if ( iScrollBarOrientation == kTXNHorizontal )
1501     {
1502         if ( mlte->m_sbHorizontal )
1503         {
1504             SetControl32BitValue( mlte->m_sbHorizontal , value ) ;
1505             SetControl32BitMaximum( mlte->m_sbHorizontal , maximum ) ;
1506             mlte->m_lastHorizontalValue = value ;
1507         }
1508     }
1509     else if ( iScrollBarOrientation == kTXNVertical )
1510     {
1511         if ( mlte->m_sbVertical )
1512         {
1513             SetControl32BitValue( mlte->m_sbVertical , value ) ;
1514             SetControl32BitMaximum( mlte->m_sbVertical , maximum ) ;
1515             mlte->m_lastVerticalValue = value ;
1516         }
1517     }
1518 }
1519
1520 pascal void wxMacMLTEClassicControl::TXNScrollActionProc( ControlRef controlRef , ControlPartCode partCode )
1521 {
1522     wxMacMLTEClassicControl* mlte = (wxMacMLTEClassicControl*) GetControlReference( controlRef ) ;
1523     if ( mlte == NULL )
1524         return ;
1525
1526     if ( controlRef != mlte->m_sbVertical && controlRef != mlte->m_sbHorizontal )
1527         return ;
1528
1529     OSStatus err ;
1530     bool isHorizontal = ( controlRef == mlte->m_sbHorizontal ) ;
1531
1532     SInt32 minimum = 0 ;
1533     SInt32 maximum = GetControl32BitMaximum( controlRef ) ;
1534     SInt32 value = GetControl32BitValue( controlRef ) ;
1535     SInt32 delta = 0;
1536
1537     switch ( partCode )
1538     {
1539         case kControlDownButtonPart :
1540             delta = 10 ;
1541             break ;
1542
1543         case kControlUpButtonPart :
1544             delta = -10 ;
1545             break ;
1546
1547         case kControlPageDownPart :
1548             delta = GetControlViewSize( controlRef ) ;
1549             break ;
1550
1551         case kControlPageUpPart :
1552             delta = -GetControlViewSize( controlRef ) ;
1553             break ;
1554
1555         case kControlIndicatorPart :
1556             delta = value - (isHorizontal ? mlte->m_lastHorizontalValue : mlte->m_lastVerticalValue) ;
1557             break ;
1558
1559         default :
1560             break ;
1561     }
1562
1563     if ( delta != 0 )
1564     {
1565         SInt32 newValue = value ;
1566
1567         if ( partCode != kControlIndicatorPart )
1568         {
1569             if ( value + delta < minimum )
1570                 delta = minimum - value ;
1571             if ( value + delta > maximum )
1572                 delta = maximum - value ;
1573
1574             SetControl32BitValue( controlRef , value + delta ) ;
1575             newValue = value + delta ;
1576         }
1577
1578         SInt32 verticalDelta = isHorizontal ? 0 : delta ;
1579         SInt32 horizontalDelta = isHorizontal ? delta : 0 ;
1580
1581         err = TXNScroll(
1582             mlte->m_txn, kTXNScrollUnitsInPixels, kTXNScrollUnitsInPixels,
1583             &verticalDelta, &horizontalDelta );
1584         verify_noerr( err );
1585
1586         if ( isHorizontal )
1587             mlte->m_lastHorizontalValue = newValue ;
1588         else
1589             mlte->m_lastVerticalValue = newValue ;
1590     }
1591 }
1592
1593 // make correct activations
1594 void wxMacMLTEClassicControl::MacActivatePaneText(bool setActive)
1595 {
1596     wxTextCtrl* textctrl = (wxTextCtrl*) GetControlReference(m_controlRef);
1597
1598     wxMacWindowClipper clipper( textctrl ) ;
1599     TXNActivate( m_txn, m_txnFrameID, setActive );
1600
1601     ControlRef controlFocus = 0 ;
1602     GetKeyboardFocus( m_txnWindow , &controlFocus ) ;
1603     if ( controlFocus == m_controlRef )
1604         TXNFocus( m_txn, setActive );
1605 }
1606
1607 void wxMacMLTEClassicControl::MacFocusPaneText(bool setFocus)
1608 {
1609     TXNFocus( m_txn, setFocus );
1610 }
1611
1612 // guards against inappropriate redraw (hidden objects drawing onto window)
1613
1614 void wxMacMLTEClassicControl::MacSetObjectVisibility(bool vis)
1615 {
1616     ControlRef controlFocus = 0 ;
1617     GetKeyboardFocus( m_txnWindow , &controlFocus ) ;
1618
1619     if ( !vis && (controlFocus == m_controlRef ) )
1620         SetKeyboardFocus( m_txnWindow , m_controlRef , kControlFocusNoPart ) ;
1621
1622     TXNControlTag iControlTags[1] = { kTXNVisibilityTag };
1623     TXNControlData iControlData[1] = { { (UInt32)false } };
1624
1625     verify_noerr( TXNGetTXNObjectControls( m_txn , 1, iControlTags, iControlData ) ) ;
1626
1627     if ( iControlData[0].uValue != vis )
1628     {
1629         iControlData[0].uValue = vis ;
1630         verify_noerr( TXNSetTXNObjectControls( m_txn, false , 1, iControlTags, iControlData ) ) ;
1631     }
1632
1633     // currently, we always clip as partial visibility (overlapped) visibility is also a problem,
1634     // if we run into further problems we might set the FrameBounds to an empty rect here
1635 }
1636
1637 // make sure that the TXNObject is at the right position
1638
1639 void wxMacMLTEClassicControl::MacUpdatePosition()
1640 {
1641     wxTextCtrl* textctrl = (wxTextCtrl*)GetControlReference( m_controlRef );
1642     if ( textctrl == NULL )
1643         return ;
1644
1645     Rect bounds ;
1646     GetRectInWindowCoords( &bounds );
1647
1648     wxRect visRect = textctrl->MacGetClippedClientRect() ;
1649     Rect visBounds = { visRect.y , visRect.x , visRect.y + visRect.height , visRect.x + visRect.width } ;
1650     int x , y ;
1651     x = y = 0 ;
1652     textctrl->MacWindowToRootWindow( &x , &y ) ;
1653     OffsetRect( &visBounds , x , y ) ;
1654
1655     if ( !EqualRect( &bounds, &m_txnControlBounds ) || !EqualRect( &visBounds, &m_txnVisBounds ) )
1656     {
1657         m_txnControlBounds = bounds ;
1658         m_txnVisBounds = visBounds ;
1659         wxMacWindowClipper cl( textctrl ) ;
1660
1661         if ( m_sbHorizontal || m_sbVertical )
1662         {
1663             int w = bounds.right - bounds.left ;
1664             int h = bounds.bottom - bounds.top ;
1665
1666             if ( m_sbHorizontal )
1667             {
1668                 Rect sbBounds ;
1669
1670                 sbBounds.left = -1 ;
1671                 sbBounds.top = h - 14 ;
1672                 sbBounds.right = w + 1 ;
1673                 sbBounds.bottom = h + 1 ;
1674
1675                 SetControlBounds( m_sbHorizontal , &sbBounds ) ;
1676                 SetControlViewSize( m_sbHorizontal , w ) ;
1677             }
1678
1679             if ( m_sbVertical )
1680             {
1681                 Rect sbBounds ;
1682
1683                 sbBounds.left = w - 14 ;
1684                 sbBounds.top = -1 ;
1685                 sbBounds.right = w + 1 ;
1686                 sbBounds.bottom = m_sbHorizontal ? h - 14 : h + 1 ;
1687
1688                 SetControlBounds( m_sbVertical , &sbBounds ) ;
1689                 SetControlViewSize( m_sbVertical , h ) ;
1690             }
1691         }
1692
1693         Rect oldviewRect ;
1694         TXNLongRect olddestRect ;
1695         TXNGetRectBounds( m_txn , &oldviewRect , &olddestRect , NULL ) ;
1696
1697         Rect viewRect = { m_txnControlBounds.top, m_txnControlBounds.left,
1698             m_txnControlBounds.bottom - ( m_sbHorizontal ? 14 : 0 ) ,
1699             m_txnControlBounds.right - ( m_sbVertical ? 14 : 0 ) } ;
1700         TXNLongRect destRect = { m_txnControlBounds.top, m_txnControlBounds.left,
1701             m_txnControlBounds.bottom - ( m_sbHorizontal ? 14 : 0 ) ,
1702             m_txnControlBounds.right - ( m_sbVertical ? 14 : 0 ) } ;
1703
1704         if ( olddestRect.right >= 10000 )
1705             destRect.right = destRect.left + 32000 ;
1706
1707         if ( olddestRect.bottom >= 0x20000000 )
1708             destRect.bottom = destRect.top + 0x40000000 ;
1709
1710         SectRect( &viewRect , &visBounds , &viewRect ) ;
1711         TXNSetRectBounds( m_txn , &viewRect , &destRect , true ) ;
1712
1713 #if 0
1714         TXNSetFrameBounds(
1715             m_txn,
1716             m_txnControlBounds.top,
1717             m_txnControlBounds.left,
1718             m_txnControlBounds.bottom - (m_sbHorizontal ? 14 : 0),
1719             m_txnControlBounds.right - (m_sbVertical ? 14 : 0),
1720             m_txnFrameID );
1721 #endif
1722
1723         // the SetFrameBounds method under Classic sometimes does not correctly scroll a selection into sight after a
1724         // movement, therefore we have to force it
1725
1726         // this problem has been reported in OSX as well, so we use this here once again
1727
1728         TXNLongRect textRect ;
1729         TXNGetRectBounds( m_txn , NULL , NULL , &textRect ) ;
1730         if ( textRect.left < m_txnControlBounds.left )
1731             TXNShowSelection( m_txn , kTXNShowStart ) ;
1732     }
1733 }
1734
1735 void wxMacMLTEClassicControl::Move(int x, int y, int width, int height)
1736 {
1737     wxMacControl::Move(x,y,width,height) ;
1738     MacUpdatePosition() ;
1739 }
1740
1741 void wxMacMLTEClassicControl::MacControlUserPaneDrawProc(wxInt16 WXUNUSED(thePart))
1742 {
1743     wxTextCtrl* textctrl = (wxTextCtrl*)GetControlReference( m_controlRef );
1744     if ( textctrl == NULL )
1745         return ;
1746
1747     if ( textctrl->IsShownOnScreen() )
1748     {
1749         wxMacWindowClipper clipper( textctrl ) ;
1750         TXNDraw( m_txn , NULL ) ;
1751     }
1752 }
1753
1754 wxInt16 wxMacMLTEClassicControl::MacControlUserPaneHitTestProc(wxInt16 x, wxInt16 y)
1755 {
1756     Point where = { y , x } ;
1757     ControlPartCode result = kControlNoPart;
1758
1759     wxTextCtrl* textctrl = (wxTextCtrl*) GetControlReference( m_controlRef );
1760     if ( (textctrl != NULL) && textctrl->IsShownOnScreen() )
1761     {
1762         if (PtInRect( where, &m_txnControlBounds ))
1763         {
1764             result = kControlEditTextPart ;
1765         }
1766         else
1767         {
1768             // sometimes we get the coords also in control local coordinates, therefore test again
1769             int x = 0 , y = 0 ;
1770             textctrl->MacClientToRootWindow( &x , &y ) ;
1771             where.h += x ;
1772             where.v += y ;
1773
1774             if (PtInRect( where, &m_txnControlBounds ))
1775                 result = kControlEditTextPart ;
1776         }
1777     }
1778
1779     return result;
1780 }
1781
1782 wxInt16 wxMacMLTEClassicControl::MacControlUserPaneTrackingProc( wxInt16 x, wxInt16 y, void* WXUNUSED(actionProc) )
1783 {
1784     ControlPartCode result = kControlNoPart;
1785
1786     wxTextCtrl* textctrl = (wxTextCtrl*) GetControlReference( m_controlRef );
1787     if ( (textctrl != NULL) && textctrl->IsShownOnScreen() )
1788     {
1789         Point startPt = { y , x } ;
1790
1791         // for compositing, we must convert these into toplevel window coordinates, because hittesting expects them
1792         int x = 0 , y = 0 ;
1793         textctrl->MacClientToRootWindow( &x , &y ) ;
1794         startPt.h += x ;
1795         startPt.v += y ;
1796
1797         switch (MacControlUserPaneHitTestProc( startPt.h , startPt.v ))
1798         {
1799             case kControlEditTextPart :
1800             {
1801                 wxMacWindowClipper clipper( textctrl ) ;
1802                 EventRecord rec ;
1803
1804                 ConvertEventRefToEventRecord( (EventRef) wxTheApp->MacGetCurrentEvent() , &rec ) ;
1805                 TXNClick( m_txn, &rec );
1806             }
1807                 break;
1808
1809             default :
1810                 break;
1811         }
1812     }
1813
1814     return result;
1815 }
1816
1817 void wxMacMLTEClassicControl::MacControlUserPaneIdleProc()
1818 {
1819     wxTextCtrl* textctrl = (wxTextCtrl*)GetControlReference( m_controlRef );
1820     if ( textctrl == NULL )
1821         return ;
1822
1823     if (textctrl->IsShownOnScreen())
1824     {
1825         if (IsControlActive(m_controlRef))
1826         {
1827             Point mousep;
1828
1829             wxMacWindowClipper clipper( textctrl ) ;
1830             GetMouse(&mousep);
1831
1832             TXNIdle(m_txn);
1833
1834             if (PtInRect(mousep, &m_txnControlBounds))
1835             {
1836                 RgnHandle theRgn = NewRgn();
1837                 RectRgn(theRgn, &m_txnControlBounds);
1838                 TXNAdjustCursor(m_txn, theRgn);
1839                 DisposeRgn(theRgn);
1840             }
1841         }
1842     }
1843 }
1844
1845 wxInt16 wxMacMLTEClassicControl::MacControlUserPaneKeyDownProc (wxInt16 keyCode, wxInt16 charCode, wxInt16 modifiers)
1846 {
1847     wxTextCtrl* textctrl = (wxTextCtrl*)GetControlReference( m_controlRef );
1848     if ( textctrl == NULL )
1849         return kControlNoPart;
1850
1851     wxMacWindowClipper clipper( textctrl ) ;
1852
1853     EventRecord ev ;
1854     memset( &ev , 0 , sizeof( ev ) ) ;
1855     ev.what = keyDown ;
1856     ev.modifiers = modifiers ;
1857     ev.message = ((keyCode << 8) & keyCodeMask) | (charCode & charCodeMask);
1858     TXNKeyDown( m_txn , &ev );
1859
1860     return kControlEntireControl;
1861 }
1862
1863 void wxMacMLTEClassicControl::MacControlUserPaneActivateProc(bool activating)
1864 {
1865     MacActivatePaneText( activating );
1866 }
1867
1868 wxInt16 wxMacMLTEClassicControl::MacControlUserPaneFocusProc(wxInt16 action)
1869 {
1870     ControlPartCode focusResult = kControlFocusNoPart;
1871
1872     wxTextCtrl* textctrl = (wxTextCtrl*)GetControlReference( m_controlRef );
1873     if ( textctrl == NULL )
1874         return focusResult;
1875
1876     wxMacWindowClipper clipper( textctrl ) ;
1877
1878     ControlRef controlFocus = NULL ;
1879     GetKeyboardFocus( m_txnWindow , &controlFocus ) ;
1880     bool wasFocused = ( controlFocus == m_controlRef ) ;
1881
1882     switch (action)
1883     {
1884         case kControlFocusPrevPart:
1885         case kControlFocusNextPart:
1886             MacFocusPaneText( !wasFocused );
1887             focusResult = (!wasFocused ? (ControlPartCode) kControlEditTextPart : (ControlPartCode) kControlFocusNoPart);
1888             break;
1889
1890         case kControlFocusNoPart:
1891         default:
1892             MacFocusPaneText( false );
1893             focusResult = kControlFocusNoPart;
1894             break;
1895     }
1896
1897     return focusResult;
1898 }
1899
1900 void wxMacMLTEClassicControl::MacControlUserPaneBackgroundProc( void *WXUNUSED(info) )
1901 {
1902 }
1903
1904 wxMacMLTEClassicControl::wxMacMLTEClassicControl( wxTextCtrl *wxPeer,
1905     const wxString& str,
1906     const wxPoint& pos,
1907     const wxSize& size, long style )
1908     : wxMacMLTEControl( wxPeer )
1909 {
1910     m_font = wxPeer->GetFont() ;
1911     m_windowStyle = style ;
1912     Rect bounds = wxMacGetBoundsForControl( wxPeer , pos , size ) ;
1913
1914     short featureSet =
1915         kControlSupportsEmbedding | kControlSupportsFocus | kControlWantsIdle
1916         | kControlWantsActivate  | kControlHandlesTracking
1917 //    | kControlHasSpecialBackground
1918         | kControlGetsFocusOnClick | kControlSupportsLiveFeedback;
1919
1920    OSStatus err = ::CreateUserPaneControl(
1921         MAC_WXHWND(wxPeer->GetParent()->MacGetTopLevelWindowRef()),
1922         &bounds, featureSet, &m_controlRef );
1923     verify_noerr( err );
1924     SetControlReference( m_controlRef , (URefCon) wxPeer );
1925
1926     DoCreate();
1927
1928     AdjustCreationAttributes( *wxWHITE , true ) ;
1929
1930     MacSetObjectVisibility( wxPeer->IsShownOnScreen() ) ;
1931
1932     {
1933         wxString st = str ;
1934         wxMacConvertNewlines10To13( &st ) ;
1935         wxMacWindowClipper clipper( GetWXPeer() ) ;
1936         SetTXNData( st , kTXNStartOffset, kTXNEndOffset ) ;
1937         TXNSetSelection( m_txn, 0, 0 ) ;
1938     }
1939 }
1940
1941 wxMacMLTEClassicControl::~wxMacMLTEClassicControl()
1942 {
1943     TXNDeleteObject( m_txn );
1944     m_txn = NULL ;
1945 }
1946
1947 void wxMacMLTEClassicControl::VisibilityChanged(bool shown)
1948 {
1949     MacSetObjectVisibility( shown ) ;
1950     wxMacControl::VisibilityChanged( shown ) ;
1951 }
1952
1953 void wxMacMLTEClassicControl::SuperChangedPosition()
1954 {
1955     MacUpdatePosition() ;
1956     wxMacControl::SuperChangedPosition() ;
1957 }
1958
1959 ControlUserPaneDrawUPP gTPDrawProc = NULL;
1960 ControlUserPaneHitTestUPP gTPHitProc = NULL;
1961 ControlUserPaneTrackingUPP gTPTrackProc = NULL;
1962 ControlUserPaneIdleUPP gTPIdleProc = NULL;
1963 ControlUserPaneKeyDownUPP gTPKeyProc = NULL;
1964 ControlUserPaneActivateUPP gTPActivateProc = NULL;
1965 ControlUserPaneFocusUPP gTPFocusProc = NULL;
1966
1967 static pascal void wxMacControlUserPaneDrawProc(ControlRef control, SInt16 part)
1968 {
1969     wxTextCtrl *textCtrl =  wxDynamicCast( wxFindWindowFromWXWidget( (WXWidget) control) , wxTextCtrl ) ;
1970     wxMacMLTEClassicControl * win = textCtrl ? (wxMacMLTEClassicControl*)(textCtrl->GetPeer()) : NULL ;
1971     if ( win )
1972         win->MacControlUserPaneDrawProc( part ) ;
1973 }
1974
1975 static pascal ControlPartCode wxMacControlUserPaneHitTestProc(ControlRef control, Point where)
1976 {
1977     wxTextCtrl *textCtrl =  wxDynamicCast( wxFindWindowFromWXWidget( (WXWidget) control) , wxTextCtrl ) ;
1978     wxMacMLTEClassicControl * win = textCtrl ? (wxMacMLTEClassicControl*)(textCtrl->GetPeer()) : NULL ;
1979     if ( win )
1980         return win->MacControlUserPaneHitTestProc( where.h , where.v ) ;
1981     else
1982         return kControlNoPart ;
1983 }
1984
1985 static pascal ControlPartCode wxMacControlUserPaneTrackingProc(ControlRef control, Point startPt, ControlActionUPP actionProc)
1986 {
1987     wxTextCtrl *textCtrl =  wxDynamicCast( wxFindWindowFromWXWidget( (WXWidget) control) , wxTextCtrl ) ;
1988     wxMacMLTEClassicControl * win = textCtrl ? (wxMacMLTEClassicControl*)(textCtrl->GetPeer()) : NULL ;
1989     if ( win )
1990         return win->MacControlUserPaneTrackingProc( startPt.h , startPt.v , (void*) actionProc ) ;
1991     else
1992         return kControlNoPart ;
1993 }
1994
1995 static pascal void wxMacControlUserPaneIdleProc(ControlRef control)
1996 {
1997     wxTextCtrl *textCtrl =  wxDynamicCast( wxFindWindowFromWXWidget((WXWidget) control) , wxTextCtrl ) ;
1998     wxMacMLTEClassicControl * win = textCtrl ? (wxMacMLTEClassicControl*)(textCtrl->GetPeer()) : NULL ;
1999     if ( win )
2000         win->MacControlUserPaneIdleProc() ;
2001 }
2002
2003 static pascal ControlPartCode wxMacControlUserPaneKeyDownProc(ControlRef control, SInt16 keyCode, SInt16 charCode, SInt16 modifiers)
2004 {
2005     wxTextCtrl *textCtrl =  wxDynamicCast( wxFindWindowFromWXWidget((WXWidget) control) , wxTextCtrl ) ;
2006     wxMacMLTEClassicControl * win = textCtrl ? (wxMacMLTEClassicControl*)(textCtrl->GetPeer()) : NULL ;
2007     if ( win )
2008         return win->MacControlUserPaneKeyDownProc( keyCode, charCode, modifiers ) ;
2009     else
2010         return kControlNoPart ;
2011 }
2012
2013 static pascal void wxMacControlUserPaneActivateProc(ControlRef control, Boolean activating)
2014 {
2015     wxTextCtrl *textCtrl =  wxDynamicCast( wxFindWindowFromWXWidget( (WXWidget)control) , wxTextCtrl ) ;
2016     wxMacMLTEClassicControl * win = textCtrl ? (wxMacMLTEClassicControl*)(textCtrl->GetPeer()) : NULL ;
2017     if ( win )
2018         win->MacControlUserPaneActivateProc( activating ) ;
2019 }
2020
2021 static pascal ControlPartCode wxMacControlUserPaneFocusProc(ControlRef control, ControlFocusPart action)
2022 {
2023     wxTextCtrl *textCtrl =  wxDynamicCast( wxFindWindowFromWXWidget((WXWidget) control) , wxTextCtrl ) ;
2024     wxMacMLTEClassicControl * win = textCtrl ? (wxMacMLTEClassicControl*)(textCtrl->GetPeer()) : NULL ;
2025     if ( win )
2026         return win->MacControlUserPaneFocusProc( action ) ;
2027     else
2028         return kControlNoPart ;
2029 }
2030
2031 #if 0
2032 static pascal void wxMacControlUserPaneBackgroundProc(ControlRef control, ControlBackgroundPtr info)
2033 {
2034     wxTextCtrl *textCtrl =  wxDynamicCast( wxFindWindowFromWXWidget(control) , wxTextCtrl ) ;
2035     wxMacMLTEClassicControl * win = textCtrl ? (wxMacMLTEClassicControl*)(textCtrl->GetPeer()) : NULL ;
2036     if ( win )
2037         win->MacControlUserPaneBackgroundProc(info) ;
2038 }
2039 #endif
2040
2041 // TXNRegisterScrollInfoProc
2042
2043 OSStatus wxMacMLTEClassicControl::DoCreate()
2044 {
2045     Rect bounds;
2046     OSStatus err = noErr ;
2047
2048     // set up our globals
2049     if (gTPDrawProc == NULL) gTPDrawProc = NewControlUserPaneDrawUPP(wxMacControlUserPaneDrawProc);
2050     if (gTPHitProc == NULL) gTPHitProc = NewControlUserPaneHitTestUPP(wxMacControlUserPaneHitTestProc);
2051     if (gTPTrackProc == NULL) gTPTrackProc = NewControlUserPaneTrackingUPP(wxMacControlUserPaneTrackingProc);
2052     if (gTPIdleProc == NULL) gTPIdleProc = NewControlUserPaneIdleUPP(wxMacControlUserPaneIdleProc);
2053     if (gTPKeyProc == NULL) gTPKeyProc = NewControlUserPaneKeyDownUPP(wxMacControlUserPaneKeyDownProc);
2054     if (gTPActivateProc == NULL) gTPActivateProc = NewControlUserPaneActivateUPP(wxMacControlUserPaneActivateProc);
2055     if (gTPFocusProc == NULL) gTPFocusProc = NewControlUserPaneFocusUPP(wxMacControlUserPaneFocusProc);
2056
2057     if (gTXNScrollInfoProc == NULL ) gTXNScrollInfoProc = NewTXNScrollInfoUPP(TXNScrollInfoProc) ;
2058     if (gTXNScrollActionProc == NULL ) gTXNScrollActionProc = NewControlActionUPP(TXNScrollActionProc) ;
2059
2060     // set the initial settings for our private data
2061
2062     m_txnWindow = GetControlOwner(m_controlRef);
2063     m_txnPort = (GrafPtr) GetWindowPort(m_txnWindow);
2064
2065     // set up the user pane procedures
2066     SetControlData(m_controlRef, kControlEntireControl, kControlUserPaneDrawProcTag, sizeof(gTPDrawProc), &gTPDrawProc);
2067     SetControlData(m_controlRef, kControlEntireControl, kControlUserPaneHitTestProcTag, sizeof(gTPHitProc), &gTPHitProc);
2068     SetControlData(m_controlRef, kControlEntireControl, kControlUserPaneTrackingProcTag, sizeof(gTPTrackProc), &gTPTrackProc);
2069     SetControlData(m_controlRef, kControlEntireControl, kControlUserPaneIdleProcTag, sizeof(gTPIdleProc), &gTPIdleProc);
2070     SetControlData(m_controlRef, kControlEntireControl, kControlUserPaneKeyDownProcTag, sizeof(gTPKeyProc), &gTPKeyProc);
2071     SetControlData(m_controlRef, kControlEntireControl, kControlUserPaneActivateProcTag, sizeof(gTPActivateProc), &gTPActivateProc);
2072     SetControlData(m_controlRef, kControlEntireControl, kControlUserPaneFocusProcTag, sizeof(gTPFocusProc), &gTPFocusProc);
2073
2074     // calculate the rectangles used by the control
2075     GetRectInWindowCoords( &bounds );
2076
2077     m_txnControlBounds = bounds ;
2078     m_txnVisBounds = bounds ;
2079
2080     CGrafPtr origPort ;
2081     GDHandle origDev ;
2082
2083     GetGWorld( &origPort, &origDev ) ;
2084     SetPort( m_txnPort );
2085
2086     // create the new edit field
2087     TXNFrameOptions frameOptions = FrameOptionsFromWXStyle( m_windowStyle );
2088
2089     // the scrollbars are not correctly embedded but are inserted at the root:
2090     // this gives us problems as we have erratic redraws even over the structure area
2091
2092     m_sbHorizontal = 0 ;
2093     m_sbVertical = 0 ;
2094     m_lastHorizontalValue = 0 ;
2095     m_lastVerticalValue = 0 ;
2096
2097     Rect sb = { 0 , 0 , 0 , 0 } ;
2098     if ( frameOptions & kTXNWantVScrollBarMask )
2099     {
2100         CreateScrollBarControl( m_txnWindow, &sb, 0, 0, 100, 1, true, gTXNScrollActionProc, &m_sbVertical );
2101         SetControlReference( m_sbVertical, (SInt32)this );
2102         SetControlAction( m_sbVertical, gTXNScrollActionProc );
2103         ShowControl( m_sbVertical );
2104         EmbedControl( m_sbVertical , m_controlRef );
2105         frameOptions &= ~kTXNWantVScrollBarMask;
2106     }
2107
2108     if ( frameOptions & kTXNWantHScrollBarMask )
2109     {
2110         CreateScrollBarControl( m_txnWindow, &sb, 0, 0, 100, 1, true, gTXNScrollActionProc, &m_sbHorizontal );
2111         SetControlReference( m_sbHorizontal, (SInt32)this );
2112         SetControlAction( m_sbHorizontal, gTXNScrollActionProc );
2113         ShowControl( m_sbHorizontal );
2114         EmbedControl( m_sbHorizontal, m_controlRef );
2115         frameOptions &= ~(kTXNWantHScrollBarMask | kTXNDrawGrowIconMask);
2116     }
2117
2118     err = TXNNewObject(
2119         NULL, m_txnWindow, &bounds, frameOptions,
2120         kTXNTextEditStyleFrameType, kTXNTextensionFile, kTXNSystemDefaultEncoding,
2121         &m_txn, &m_txnFrameID, NULL );
2122     verify_noerr( err );
2123
2124 #if 0
2125     TXNControlTag iControlTags[] = { kTXNUseCarbonEvents };
2126     TXNControlData iControlData[] = { { (UInt32)&cInfo } };
2127     int toptag = WXSIZEOF( iControlTags ) ;
2128     TXNCarbonEventInfo cInfo ;
2129     cInfo.useCarbonEvents = false ;
2130     cInfo.filler = 0 ;
2131     cInfo.flags = 0 ;
2132     cInfo.fDictionary = NULL ;
2133
2134     verify_noerr( TXNSetTXNObjectControls( m_txn, false, toptag, iControlTags, iControlData ) );
2135 #endif
2136
2137     TXNRegisterScrollInfoProc( m_txn, gTXNScrollInfoProc, (SInt32)this );
2138
2139     SetGWorld( origPort , origDev ) ;
2140
2141     return err;
2142 }
2143 #endif
2144
2145 // ----------------------------------------------------------------------------
2146 // MLTE control implementation (OSX part)
2147 // ----------------------------------------------------------------------------
2148
2149 // tiger multi-line textcontrols with no CR in the entire content
2150 // don't scroll automatically, so we need a hack.
2151 // This attempt only works 'before' the key (ie before CallNextEventHandler)
2152 // is processed, thus the scrolling always occurs one character too late, but
2153 // better than nothing ...
2154
2155 static const EventTypeSpec eventList[] =
2156 {
2157     { kEventClassTextInput, kEventTextInputUnicodeForKeyEvent } ,
2158 } ;
2159
2160 static pascal OSStatus wxMacUnicodeTextEventHandler( EventHandlerCallRef handler , EventRef event , void *data )
2161 {
2162     OSStatus result = eventNotHandledErr ;
2163     wxMacMLTEHIViewControl* focus = (wxMacMLTEHIViewControl*) data ;
2164
2165     switch ( GetEventKind( event ) )
2166     {
2167         case kEventTextInputUnicodeForKeyEvent :
2168         {
2169             TXNOffset from , to ;
2170             TXNGetSelection( focus->GetTXNObject() , &from , &to ) ;
2171             if ( from == to )
2172                 TXNShowSelection( focus->GetTXNObject() , kTXNShowStart );
2173             result = CallNextEventHandler(handler,event);
2174             break;
2175         }
2176         default:
2177             break ;
2178     }
2179
2180     return result ;
2181 }
2182
2183 static pascal OSStatus wxMacTextControlEventHandler( EventHandlerCallRef handler , EventRef event , void *data )
2184 {
2185     OSStatus result = eventNotHandledErr ;
2186
2187     switch ( GetEventClass( event ) )
2188     {
2189         case kEventClassTextInput :
2190             result = wxMacUnicodeTextEventHandler( handler , event , data ) ;
2191             break ;
2192
2193         default :
2194             break ;
2195     }
2196     return result ;
2197 }
2198
2199 DEFINE_ONE_SHOT_HANDLER_GETTER( wxMacTextControlEventHandler )
2200
2201 wxMacMLTEHIViewControl::wxMacMLTEHIViewControl( wxTextCtrl *wxPeer,
2202     const wxString& str,
2203     const wxPoint& pos,
2204     const wxSize& size, long style ) : wxMacMLTEControl( wxPeer )
2205 {
2206     m_font = wxPeer->GetFont() ;
2207     m_windowStyle = style ;
2208     Rect bounds = wxMacGetBoundsForControl( wxPeer , pos , size ) ;
2209     wxString st = str ;
2210     wxMacConvertNewlines10To13( &st ) ;
2211
2212     HIRect hr = {
2213         { bounds.left , bounds.top },
2214         { bounds.right - bounds.left, bounds.bottom - bounds.top } } ;
2215
2216     m_scrollView = NULL ;
2217     TXNFrameOptions frameOptions = FrameOptionsFromWXStyle( style ) ;
2218     if (( frameOptions & (kTXNWantVScrollBarMask | kTXNWantHScrollBarMask)) || (frameOptions &kTXNSingleLineOnlyMask))
2219     {
2220         if ( frameOptions & (kTXNWantVScrollBarMask | kTXNWantHScrollBarMask) )
2221         {
2222             HIScrollViewCreate(
2223                 (frameOptions & kTXNWantHScrollBarMask ? kHIScrollViewOptionsHorizScroll : 0)
2224                 | (frameOptions & kTXNWantVScrollBarMask ? kHIScrollViewOptionsVertScroll : 0) ,
2225                 &m_scrollView ) ;
2226         }
2227         else
2228         {
2229             HIScrollViewCreate(kHIScrollViewOptionsVertScroll,&m_scrollView);
2230             HIScrollViewSetScrollBarAutoHide(m_scrollView,true);
2231         }
2232
2233         HIViewSetFrame( m_scrollView, &hr );
2234         HIViewSetVisible( m_scrollView, true );
2235     }
2236
2237     m_textView = NULL ;
2238     HITextViewCreate( NULL , 0, frameOptions , &m_textView ) ;
2239     m_txn = HITextViewGetTXNObject( m_textView ) ;
2240     HIViewSetVisible( m_textView , true ) ;
2241     if ( m_scrollView )
2242     {
2243         HIViewAddSubview( m_scrollView , m_textView ) ;
2244         m_controlRef = m_scrollView ;
2245         InstallEventHandler( (WXWidget) m_textView ) ;
2246     }
2247     else
2248     {
2249         HIViewSetFrame( m_textView, &hr );
2250         m_controlRef = m_textView ;
2251     }
2252
2253     AdjustCreationAttributes( *wxWHITE , true ) ;
2254 #ifndef __LP64__
2255     wxMacWindowClipper c( GetWXPeer() ) ;
2256 #endif
2257     SetTXNData( st , kTXNStartOffset, kTXNEndOffset ) ;
2258
2259     TXNSetSelection( m_txn, 0, 0 );
2260     TXNShowSelection( m_txn, kTXNShowStart );
2261
2262     ::InstallControlEventHandler( m_textView , GetwxMacTextControlEventHandlerUPP(),
2263                                 GetEventTypeCount(eventList), eventList, this,
2264                                 NULL);
2265 }
2266
2267 wxMacMLTEHIViewControl::~wxMacMLTEHIViewControl()
2268 {
2269 }
2270
2271 bool wxMacMLTEHIViewControl::SetFocus()
2272 {
2273     return SetKeyboardFocus( GetControlOwner( m_textView ), m_textView, kControlFocusNextPart ) == noErr ;
2274 }
2275
2276 bool wxMacMLTEHIViewControl::HasFocus() const
2277 {
2278     ControlRef control ;
2279     if ( GetUserFocusWindow() == NULL )
2280         return false;
2281
2282     GetKeyboardFocus( GetUserFocusWindow() , &control ) ;
2283     return control == m_textView ;
2284 }
2285
2286 void wxMacMLTEHIViewControl::SetBackgroundColour(const wxColour& col )
2287 {
2288     HITextViewSetBackgroundColor( m_textView, col.GetPixel() );
2289 }
2290
2291 #endif // wxUSE_TEXTCTRL