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 // Copyright:   (c) Stefan Csomor
   8 // Licence:     wxWindows licence
   9 /////////////////////////////////////////////////////////////////////////////
  10
  11 #include "wx/wxprec.h"
  12
  13 #if wxUSE_TEXTCTRL
  14
  15 #include "wx/textctrl.h"
  16
  17 #ifndef WX_PRECOMP
  18     #include "wx/intl.h"
  19     #include "wx/app.h"
  20     #include "wx/utils.h"
  21     #include "wx/dc.h"
  22     #include "wx/button.h"
  23     #include "wx/menu.h"
  24     #include "wx/settings.h"
  25     #include "wx/msgdlg.h"
  26     #include "wx/toplevel.h"
  27 #endif
  28
  29 #ifdef __DARWIN__
  30     #include <sys/types.h>
  31     #include <sys/stat.h>
  32 #else
  33     #include <stat.h>
  34 #endif
  35
  36 #if wxUSE_STD_IOSTREAM
  37     #if wxUSE_IOSTREAMH
  38         #include <fstream.h>
  39     #else
  40         #include <fstream>
  41     #endif
  42 #endif
  43
  44 #include "wx/filefn.h"
  45 #include "wx/sysopt.h"
  46 #include "wx/thread.h"
  47
  48 #include "wx/osx/private.h"
  49 #include "wx/osx/carbon/private/mactext.h"
  50
  51 class wxMacFunctor
  52 {
  53 public :
  54     wxMacFunctor() {}
  55     virtual ~wxMacFunctor() {}
  56
  57     virtual void* operator()() = 0 ;
  58
  59     static void* CallBackProc( void *param )
  60     {
  61         wxMacFunctor* f = (wxMacFunctor*) param ;
  62         void *result = (*f)() ;
  63         return result ;
  64     }
  65 } ;
  66
  67 template<typename classtype, typename param1type>
  68
  69 class wxMacObjectFunctor1 : public wxMacFunctor
  70 {
  71     typedef void (classtype::*function)( param1type p1 ) ;
  72     typedef void (classtype::*ref_function)( const param1type& p1 ) ;
  73 public :
  74     wxMacObjectFunctor1( classtype *obj , function f , param1type p1 ) :
  75         wxMacFunctor()
  76     {
  77         m_object = obj ;
  78         m_function = f ;
  79         m_param1 = p1 ;
  80     }
  81
  82     wxMacObjectFunctor1( classtype *obj , ref_function f , param1type p1 ) :
  83         wxMacFunctor()
  84     {
  85         m_object = obj ;
  86         m_refFunction = f ;
  87         m_param1 = p1 ;
  88     }
  89
  90     virtual ~wxMacObjectFunctor1() {}
  91
  92     virtual void* operator()()
  93     {
  94         (m_object->*m_function)( m_param1 ) ;
  95         return NULL ;
  96     }
  97
  98 private :
  99     classtype* m_object ;
 100     param1type m_param1 ;
 101     union
 102     {
 103         function m_function ;
 104         ref_function m_refFunction ;
 105     } ;
 106 } ;
 107
 108 template<typename classtype, typename param1type>
 109 void* wxMacMPRemoteCall( classtype *object , void (classtype::*function)( param1type p1 ) , param1type p1 )
 110 {
 111     wxMacObjectFunctor1<classtype, param1type> params(object, function, p1) ;
 112     void *result =
 113         MPRemoteCall( wxMacFunctor::CallBackProc , &params , kMPOwningProcessRemoteContext ) ;
 114     return result ;
 115 }
 116
 117 template<typename classtype, typename param1type>
 118 void* wxMacMPRemoteCall( classtype *object , void (classtype::*function)( const param1type& p1 ) , param1type p1 )
 119 {
 120     wxMacObjectFunctor1<classtype,param1type> params(object, function, p1) ;
 121     void *result =
 122         MPRemoteCall( wxMacFunctor::CallBackProc , &params , kMPOwningProcessRemoteContext ) ;
 123     return result ;
 124 }
 125
 126 template<typename classtype, typename param1type>
 127 void* wxMacMPRemoteGUICall( classtype *object , void (classtype::*function)( param1type p1 ) , param1type p1 )
 128 {
 129     wxMutexGuiLeave() ;
 130     void *result = wxMacMPRemoteCall( object , function , p1 ) ;
 131     wxMutexGuiEnter() ;
 132     return result ;
 133 }
 134
 135 template<typename classtype, typename param1type>
 136 void* wxMacMPRemoteGUICall( classtype *object , void (classtype::*function)( const param1type& p1 ) , param1type p1 )
 137 {
 138     wxMutexGuiLeave() ;
 139     void *result = wxMacMPRemoteCall( object , function , p1 ) ;
 140     wxMutexGuiEnter() ;
 141     return result ;
 142 }
 143
 144 class WXDLLEXPORT wxMacPortSaver
 145 {
 146     wxDECLARE_NO_COPY_CLASS(wxMacPortSaver);
 147
 148 public:
 149     wxMacPortSaver( GrafPtr port );
 150     ~wxMacPortSaver();
 151 private :
 152     GrafPtr m_port;
 153 };
 154
 155
 156 /*
 157  Clips to the visible region of a control within the current port
 158  */
 159
 160 class WXDLLEXPORT wxMacWindowClipper : public wxMacPortSaver
 161 {
 162     wxDECLARE_NO_COPY_CLASS(wxMacWindowClipper);
 163
 164 public:
 165     wxMacWindowClipper( const wxWindow* win );
 166     ~wxMacWindowClipper();
 167 private:
 168     GrafPtr   m_newPort;
 169     RgnHandle m_formerClip;
 170     RgnHandle m_newClip;
 171 };
 172
 173 wxMacPortSaver::wxMacPortSaver( GrafPtr port )
 174 {
 175     ::GetPort( &m_port );
 176     ::SetPort( port );
 177 }
 178
 179 wxMacPortSaver::~wxMacPortSaver()
 180 {
 181     ::SetPort( m_port );
 182 }
 183
 184 wxMacWindowClipper::wxMacWindowClipper( const wxWindow* win ) :
 185 wxMacPortSaver( (GrafPtr) GetWindowPort( (WindowRef) win->MacGetTopLevelWindowRef() ) )
 186 {
 187     m_newPort = (GrafPtr) GetWindowPort( (WindowRef) win->MacGetTopLevelWindowRef() ) ;
 188     m_formerClip = NewRgn() ;
 189     m_newClip = NewRgn() ;
 190     GetClip( m_formerClip ) ;
 191
 192     if ( win )
 193     {
 194         // guard against half constructed objects, this just leads to a empty clip
 195         if ( win->GetPeer() )
 196         {
 197             int x = 0 , y = 0;
 198             win->MacWindowToRootWindow( &x, &y ) ;
 199
 200             // get area including focus rect
 201             HIShapeGetAsQDRgn( ((wxWindow*)win)->MacGetVisibleRegion(true).GetWXHRGN() , m_newClip );
 202             if ( !EmptyRgn( m_newClip ) )
 203                 OffsetRgn( m_newClip , x , y ) ;
 204         }
 205
 206         SetClip( m_newClip ) ;
 207     }
 208 }
 209
 210 wxMacWindowClipper::~wxMacWindowClipper()
 211 {
 212     SetPort( m_newPort ) ;
 213     SetClip( m_formerClip ) ;
 214     DisposeRgn( m_newClip ) ;
 215     DisposeRgn( m_formerClip ) ;
 216 }
 217
 218 // common parts for implementations based on MLTE
 219
 220 class wxMacMLTEControl : public wxMacControl, public wxTextWidgetImpl
 221 {
 222 public :
 223     wxMacMLTEControl( wxTextCtrl *peer ) ;
 224     ~wxMacMLTEControl() {}
 225
 226     virtual bool        CanFocus() const
 227                         { return true; }
 228
 229     virtual wxString GetStringValue() const ;
 230     virtual void SetStringValue( const wxString &str ) ;
 231
 232     static TXNFrameOptions FrameOptionsFromWXStyle( long wxStyle ) ;
 233
 234     void AdjustCreationAttributes( const wxColour& background, bool visible ) ;
 235
 236     virtual void SetFont( const wxFont & font, const wxColour& foreground, long windowStyle, bool ignoreBlack ) ;
 237     virtual void SetBackgroundColour(const wxColour& col );
 238     virtual void SetStyle( long start, long end, const wxTextAttr& style ) ;
 239     virtual void Copy() ;
 240     virtual void Cut() ;
 241     virtual void Paste() ;
 242     virtual bool CanPaste() const ;
 243     virtual void SetEditable( bool editable ) ;
 244     virtual long GetLastPosition() const ;
 245     virtual void Replace( long from, long to, const wxString &str ) ;
 246     virtual void Remove( long from, long to ) ;
 247     virtual void GetSelection( long* from, long* to ) const ;
 248     virtual void SetSelection( long from, long to ) ;
 249
 250     virtual void WriteText( const wxString& str ) ;
 251
 252     virtual bool HasOwnContextMenu() const
 253     {
 254         TXNCommandEventSupportOptions options ;
 255         TXNGetCommandEventSupport( m_txn , & options ) ;
 256         return options & kTXNSupportEditCommandProcessing ;
 257     }
 258
 259     virtual void CheckSpelling(bool check)
 260     {
 261         TXNSetSpellCheckAsYouType( m_txn, (Boolean) check );
 262     }
 263     virtual void Clear() ;
 264
 265     virtual bool CanUndo() const ;
 266     virtual void Undo() ;
 267     virtual bool CanRedo()  const;
 268     virtual void Redo() ;
 269     virtual int GetNumberOfLines() const ;
 270     virtual long XYToPosition(long x, long y) const ;
 271     virtual bool PositionToXY(long pos, long *x, long *y) const ;
 272     virtual void ShowPosition( long pos ) ;
 273     virtual int GetLineLength(long lineNo) const ;
 274     virtual wxString GetLineText(long lineNo) const ;
 275
 276     void SetTXNData( const wxString& st , TXNOffset start , TXNOffset end ) ;
 277     TXNObject GetTXNObject() { return m_txn ; }
 278
 279 protected :
 280     void TXNSetAttribute( const wxTextAttr& style , long from , long to ) ;
 281
 282     TXNObject m_txn ;
 283 } ;
 284
 285 // implementation available under OSX
 286
 287 class wxMacMLTEHIViewControl : public wxMacMLTEControl
 288 {
 289 public :
 290     wxMacMLTEHIViewControl( wxTextCtrl *wxPeer,
 291                              const wxString& str,
 292                              const wxPoint& pos,
 293                              const wxSize& size, long style ) ;
 294     virtual ~wxMacMLTEHIViewControl() ;
 295
 296     virtual bool SetFocus() ;
 297     virtual bool HasFocus() const ;
 298     virtual void SetBackgroundColour(const wxColour& col ) ;
 299
 300 protected :
 301     HIViewRef m_scrollView ;
 302     HIViewRef m_textView ;
 303 };
 304
 305 // 'classic' MLTE implementation
 306
 307 class wxMacMLTEClassicControl : public wxMacMLTEControl
 308 {
 309 public :
 310     wxMacMLTEClassicControl( wxTextCtrl *wxPeer,
 311                              const wxString& str,
 312                              const wxPoint& pos,
 313                              const wxSize& size, long style ) ;
 314     virtual ~wxMacMLTEClassicControl() ;
 315
 316     virtual void VisibilityChanged(bool shown) ;
 317     virtual void SuperChangedPosition() ;
 318
 319     virtual void            MacControlUserPaneDrawProc(wxInt16 part) ;
 320     virtual wxInt16         MacControlUserPaneHitTestProc(wxInt16 x, wxInt16 y) ;
 321     virtual wxInt16         MacControlUserPaneTrackingProc(wxInt16 x, wxInt16 y, void* actionProc) ;
 322     virtual void            MacControlUserPaneIdleProc() ;
 323     virtual wxInt16         MacControlUserPaneKeyDownProc(wxInt16 keyCode, wxInt16 charCode, wxInt16 modifiers) ;
 324     virtual void            MacControlUserPaneActivateProc(bool activating) ;
 325     virtual wxInt16         MacControlUserPaneFocusProc(wxInt16 action) ;
 326     virtual void            MacControlUserPaneBackgroundProc(void* info) ;
 327
 328     virtual bool SetupCursor( const wxPoint& WXUNUSED(pt) )
 329     {
 330         MacControlUserPaneIdleProc();
 331         return true;
 332     }
 333
 334     virtual void            Move(int x, int y, int width, int height);
 335
 336 protected :
 337     OSStatus                 DoCreate();
 338
 339     void                    MacUpdatePosition() ;
 340     void                    MacActivatePaneText(bool setActive) ;
 341     void                    MacFocusPaneText(bool setFocus) ;
 342     void                    MacSetObjectVisibility(bool vis) ;
 343
 344 private :
 345     TXNFrameID              m_txnFrameID ;
 346     GrafPtr                 m_txnPort ;
 347     WindowRef               m_txnWindow ;
 348     // bounds of the control as we last did set the txn frames
 349     Rect                    m_txnControlBounds ;
 350     Rect                    m_txnVisBounds ;
 351
 352     static pascal void TXNScrollActionProc( ControlRef controlRef , ControlPartCode partCode ) ;
 353     static pascal void TXNScrollInfoProc(
 354         SInt32 iValue, SInt32 iMaximumValue,
 355         TXNScrollBarOrientation iScrollBarOrientation, SInt32 iRefCon ) ;
 356
 357     ControlRef              m_sbHorizontal ;
 358     SInt32                  m_lastHorizontalValue ;
 359     ControlRef              m_sbVertical ;
 360     SInt32                  m_lastVerticalValue ;
 361 };
 362
 363 wxWidgetImplType* wxWidgetImpl::CreateTextControl( wxTextCtrl* wxpeer,
 364                                     wxWindowMac* WXUNUSED(parent),
 365                                     wxWindowID WXUNUSED(id),
 366                                     const wxString& str,
 367                                     const wxPoint& pos,
 368                                     const wxSize& size,
 369                                     long style,
 370                                     long WXUNUSED(extraStyle))
 371 {
 372     bool forceMLTE = false ;
 373
 374 #if wxUSE_SYSTEM_OPTIONS
 375     if (wxSystemOptions::HasOption( wxMAC_TEXTCONTROL_USE_MLTE ) && (wxSystemOptions::GetOptionInt( wxMAC_TEXTCONTROL_USE_MLTE ) == 1))
 376     {
 377         forceMLTE = true ;
 378     }
 379 #endif
 380
 381     if ( UMAGetSystemVersion() >= 0x1050 )
 382         forceMLTE = false;
 383
 384     wxMacControl*  peer = NULL;
 385
 386     if ( !forceMLTE )
 387     {
 388         if ( style & wxTE_MULTILINE || ( UMAGetSystemVersion() >= 0x1050 ) )
 389             peer = new wxMacMLTEHIViewControl( wxpeer , str , pos , size , style ) ;
 390     }
 391
 392     if ( !peer )
 393     {
 394         if ( !(style & wxTE_MULTILINE) && !forceMLTE )
 395         {
 396             peer = new wxMacUnicodeTextControl( wxpeer , str , pos , size , style ) ;
 397         }
 398     }
 399
 400     // the horizontal single line scrolling bug that made us keep the classic implementation
 401     // is fixed in 10.5
 402 #if MAC_OS_X_VERSION_MIN_REQUIRED < MAC_OS_X_VERSION_10_5
 403     if ( !peer )
 404         peer = new wxMacMLTEClassicControl( wxpeer , str , pos , size , style ) ;
 405 #endif
 406     return peer;
 407 }
 408
 409 // ----------------------------------------------------------------------------
 410 // standard unicode control implementation
 411 // ----------------------------------------------------------------------------
 412
 413 // the current unicode textcontrol implementation has a bug : only if the control
 414 // is currently having the focus, the selection can be retrieved by the corresponding
 415 // data tag. So we have a mirroring using a member variable
 416 // TODO : build event table using virtual member functions for wxMacControl
 417
 418 static const EventTypeSpec unicodeTextControlEventList[] =
 419 {
 420     { kEventClassControl , kEventControlSetFocusPart } ,
 421 } ;
 422
 423 static pascal OSStatus wxMacUnicodeTextControlControlEventHandler( EventHandlerCallRef handler , EventRef event , void *data )
 424 {
 425     OSStatus result = eventNotHandledErr ;
 426     wxMacUnicodeTextControl* focus = (wxMacUnicodeTextControl*) data ;
 427     wxMacCarbonEvent cEvent( event ) ;
 428
 429     switch ( GetEventKind( event ) )
 430     {
 431         case kEventControlSetFocusPart :
 432         {
 433             ControlPartCode controlPart = cEvent.GetParameter<ControlPartCode>(kEventParamControlPart , typeControlPartCode );
 434             if ( controlPart == kControlFocusNoPart )
 435             {
 436                 // about to lose focus -> store selection to field
 437                 focus->GetData<ControlEditTextSelectionRec>( 0, kControlEditTextSelectionTag, &focus->m_selection );
 438             }
 439             result = CallNextEventHandler(handler,event) ;
 440             if ( controlPart != kControlFocusNoPart )
 441             {
 442                 // about to gain focus -> set selection from field
 443                 focus->SetData<ControlEditTextSelectionRec>( 0, kControlEditTextSelectionTag, &focus->m_selection );
 444             }
 445             break;
 446         }
 447         default:
 448             break ;
 449     }
 450
 451     return result ;
 452 }
 453
 454 static pascal OSStatus wxMacUnicodeTextControlEventHandler( EventHandlerCallRef handler , EventRef event , void *data )
 455 {
 456     OSStatus result = eventNotHandledErr ;
 457
 458     switch ( GetEventClass( event ) )
 459     {
 460         case kEventClassControl :
 461             result = wxMacUnicodeTextControlControlEventHandler( handler , event , data ) ;
 462             break ;
 463
 464         default :
 465             break ;
 466     }
 467     return result ;
 468 }
 469
 470 DEFINE_ONE_SHOT_HANDLER_GETTER( wxMacUnicodeTextControlEventHandler )
 471
 472 wxMacUnicodeTextControl::wxMacUnicodeTextControl( wxTextCtrl *wxPeer )
 473     : wxMacControl( wxPeer ),
 474       wxTextWidgetImpl( wxPeer )
 475 {
 476 }
 477
 478 wxMacUnicodeTextControl::wxMacUnicodeTextControl( wxTextCtrl *wxPeer,
 479     const wxString& str,
 480     const wxPoint& pos,
 481     const wxSize& size, long style )
 482     : wxMacControl( wxPeer ),
 483       wxTextWidgetImpl( wxPeer )
 484 {
 485     m_font = wxPeer->GetFont() ;
 486     m_windowStyle = style ;
 487     m_selection.selStart = m_selection.selEnd = 0;
 488     Rect bounds = wxMacGetBoundsForControl( wxPeer , pos , size ) ;
 489     wxString st = str ;
 490     wxMacConvertNewlines10To13( &st ) ;
 491     wxCFStringRef cf(st , m_font.GetEncoding()) ;
 492
 493     m_valueTag = kControlEditTextCFStringTag ;
 494     Boolean isPassword = ( m_windowStyle & wxTE_PASSWORD ) != 0 ;
 495     if ( isPassword )
 496     {
 497         m_valueTag = kControlEditTextPasswordCFStringTag ;
 498     }
 499     OSStatus err = CreateEditUnicodeTextControl(
 500         MAC_WXHWND(wxPeer->MacGetTopLevelWindowRef()), &bounds , cf ,
 501         isPassword , NULL , &m_controlRef ) ;
 502     verify_noerr( err );
 503
 504     if ( !(m_windowStyle & wxTE_MULTILINE) )
 505         SetData<Boolean>( kControlEditTextPart , kControlEditTextSingleLineTag , true ) ;
 506
 507     InstallEventHandlers();
 508 }
 509
 510 void wxMacUnicodeTextControl::InstallEventHandlers()
 511 {
 512     ::InstallControlEventHandler( m_controlRef , GetwxMacUnicodeTextControlEventHandlerUPP(),
 513                                 GetEventTypeCount(unicodeTextControlEventList), unicodeTextControlEventList, this,
 514                                 (EventHandlerRef*) &m_macTextCtrlEventHandler);
 515 }
 516
 517 wxMacUnicodeTextControl::~wxMacUnicodeTextControl()
 518 {
 519     ::RemoveEventHandler((EventHandlerRef) m_macTextCtrlEventHandler);
 520 }
 521
 522 void wxMacUnicodeTextControl::VisibilityChanged(bool shown)
 523 {
 524     if ( !(m_windowStyle & wxTE_MULTILINE) && shown )
 525     {
 526         // work around a refresh issue insofar as not always the entire content is shown,
 527         // even if this would be possible
 528         ControlEditTextSelectionRec sel ;
 529         CFStringRef value = NULL ;
 530
 531         verify_noerr( GetData<ControlEditTextSelectionRec>( 0, kControlEditTextSelectionTag, &sel ) );
 532         verify_noerr( GetData<CFStringRef>( 0, m_valueTag, &value ) );
 533         verify_noerr( SetData<CFStringRef>( 0, m_valueTag, &value ) );
 534         verify_noerr( SetData<ControlEditTextSelectionRec>( 0, kControlEditTextSelectionTag, &sel ) );
 535
 536         CFRelease( value ) ;
 537     }
 538 }
 539
 540 wxString wxMacUnicodeTextControl::GetStringValue() const
 541 {
 542     wxString result ;
 543     CFStringRef value = GetData<CFStringRef>(0, m_valueTag) ;
 544     if ( value )
 545     {
 546         wxCFStringRef cf(value) ;
 547         result = cf.AsString() ;
 548     }
 549
 550 #if '\n' == 10
 551     wxMacConvertNewlines13To10( &result ) ;
 552 #else
 553     wxMacConvertNewlines10To13( &result ) ;
 554 #endif
 555
 556     return result ;
 557 }
 558
 559 void wxMacUnicodeTextControl::SetStringValue( const wxString &str )
 560 {
 561     wxString st = str ;
 562     wxMacConvertNewlines10To13( &st ) ;
 563     wxCFStringRef cf( st , m_font.GetEncoding() ) ;
 564     verify_noerr( SetData<CFStringRef>( 0, m_valueTag , cf ) ) ;
 565 }
 566
 567 void wxMacUnicodeTextControl::Copy()
 568 {
 569     SendHICommand( kHICommandCopy ) ;
 570 }
 571
 572 void wxMacUnicodeTextControl::Cut()
 573 {
 574     SendHICommand( kHICommandCut ) ;
 575 }
 576
 577 void wxMacUnicodeTextControl::Paste()
 578 {
 579     SendHICommand( kHICommandPaste ) ;
 580 }
 581
 582 bool wxMacUnicodeTextControl::CanPaste() const
 583 {
 584     return true ;
 585 }
 586
 587 void wxMacUnicodeTextControl::SetEditable(bool WXUNUSED(editable))
 588 {
 589 #if 0 // leads to problem because text cannot be selected anymore
 590     SetData<Boolean>( kControlEditTextPart , kControlEditTextLockedTag , (Boolean) !editable ) ;
 591 #endif
 592 }
 593
 594 void wxMacUnicodeTextControl::GetSelection( long* from, long* to ) const
 595 {
 596     ControlEditTextSelectionRec sel ;
 597     if (HasFocus())
 598         verify_noerr( GetData<ControlEditTextSelectionRec>( 0, kControlEditTextSelectionTag, &sel ) ) ;
 599     else
 600         sel = m_selection ;
 601
 602     if ( from )
 603         *from = sel.selStart ;
 604     if ( to )
 605         *to = sel.selEnd ;
 606 }
 607
 608 void wxMacUnicodeTextControl::SetSelection( long from , long to )
 609 {
 610     ControlEditTextSelectionRec sel ;
 611     wxString result ;
 612     int textLength = 0 ;
 613     CFStringRef value = GetData<CFStringRef>(0, m_valueTag) ;
 614     if ( value )
 615     {
 616         wxCFStringRef cf(value) ;
 617         textLength = cf.AsString().length() ;
 618     }
 619
 620     if ((from == -1) && (to == -1))
 621     {
 622         from = 0 ;
 623         to = textLength ;
 624     }
 625     else
 626     {
 627         from = wxMin(textLength,wxMax(from,0)) ;
 628         if ( to == -1 )
 629             to = textLength;
 630         else
 631             to = wxMax(0,wxMin(textLength,to)) ;
 632     }
 633
 634     sel.selStart = from ;
 635     sel.selEnd = to ;
 636     if ( HasFocus() )
 637         SetData<ControlEditTextSelectionRec>( 0, kControlEditTextSelectionTag, &sel ) ;
 638     else
 639         m_selection = sel;
 640 }
 641
 642 void wxMacUnicodeTextControl::WriteText( const wxString& str )
 643 {
 644     // TODO: this MPRemoting will be moved into a remoting peer proxy for any command
 645     if ( !wxIsMainThread() )
 646     {
 647 #if wxOSX_USE_CARBON
 648         // unfortunately CW 8 is not able to correctly deduce the template types,
 649         // so we have to instantiate explicitly
 650         wxMacMPRemoteGUICall<wxTextCtrl,wxString>( (wxTextCtrl*) GetWXPeer() , &wxTextCtrl::WriteText , str ) ;
 651 #endif
 652         return ;
 653     }
 654
 655     wxString st = str ;
 656     wxMacConvertNewlines10To13( &st ) ;
 657
 658     if ( HasFocus() )
 659     {
 660         wxCFStringRef cf(st , m_font.GetEncoding() ) ;
 661         CFStringRef value = cf ;
 662         SetData<CFStringRef>( 0, kControlEditTextInsertCFStringRefTag, &value );
 663     }
 664     else
 665     {
 666         wxString val = GetStringValue() ;
 667         long start , end ;
 668         GetSelection( &start , &end ) ;
 669         val.Remove( start , end - start ) ;
 670         val.insert( start , str ) ;
 671         SetStringValue( val ) ;
 672         SetSelection( start + str.length() , start + str.length() ) ;
 673     }
 674 }
 675
 676 // ----------------------------------------------------------------------------
 677 // MLTE control implementation (common part)
 678 // ----------------------------------------------------------------------------
 679
 680 // if MTLE is read only, no changes at all are allowed, not even from
 681 // procedural API, in order to allow changes via API all the same we must undo
 682 // the readonly status while we are executing, this class helps to do so
 683
 684 class wxMacEditHelper
 685 {
 686 public :
 687     wxMacEditHelper( TXNObject txn )
 688     {
 689         TXNControlTag tag[] = { kTXNIOPrivilegesTag } ;
 690         m_txn = txn ;
 691         TXNGetTXNObjectControls( m_txn , 1 , tag , m_data ) ;
 692         if ( m_data[0].uValue == kTXNReadOnly )
 693         {
 694             TXNControlData data[] = { { kTXNReadWrite } } ;
 695             TXNSetTXNObjectControls( m_txn , false , 1 , tag , data ) ;
 696         }
 697     }
 698
 699     ~wxMacEditHelper()
 700     {
 701         TXNControlTag tag[] = { kTXNIOPrivilegesTag } ;
 702         if ( m_data[0].uValue == kTXNReadOnly )
 703             TXNSetTXNObjectControls( m_txn , false , 1 , tag , m_data ) ;
 704     }
 705
 706 protected :
 707     TXNObject m_txn ;
 708     TXNControlData m_data[1] ;
 709 } ;
 710
 711 wxMacMLTEControl::wxMacMLTEControl( wxTextCtrl *peer )
 712     : wxMacControl( peer ),
 713       wxTextWidgetImpl( peer )
 714 {
 715     SetNeedsFocusRect( true ) ;
 716 }
 717
 718 wxString wxMacMLTEControl::GetStringValue() const
 719 {
 720     wxString result ;
 721     OSStatus err ;
 722     Size actualSize = 0;
 723
 724     {
 725 #if wxUSE_UNICODE
 726         Handle theText ;
 727         err = TXNGetDataEncoded( m_txn, kTXNStartOffset, kTXNEndOffset, &theText, kTXNUnicodeTextData );
 728
 729         // all done
 730         if ( err != noErr )
 731         {
 732             actualSize = 0 ;
 733         }
 734         else
 735         {
 736             actualSize = GetHandleSize( theText ) / sizeof(UniChar) ;
 737             if ( actualSize > 0 )
 738             {
 739                 wxChar *ptr = NULL ;
 740
 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, wxT("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, wxT("Conversion of string failed!") );
 751                 ptr[noChars] = 0 ;
 752                 HUnlock( theText ) ;
 753
 754                 ptr[actualSize] = 0 ;
 755                 result = wxString( ptr ) ;
 756                 delete [] ptr ;
 757             }
 758
 759             DisposeHandle( theText ) ;
 760         }
 761 #else // !wxUSE_UNICODE
 762         Handle theText ;
 763         err = TXNGetDataEncoded( m_txn , kTXNStartOffset, kTXNEndOffset, &theText, kTXNTextData );
 764
 765         // all done
 766         if ( err != noErr )
 767         {
 768             actualSize = 0 ;
 769         }
 770         else
 771         {
 772             actualSize = GetHandleSize( theText ) ;
 773             if ( actualSize > 0 )
 774             {
 775                 HLock( theText ) ;
 776                 result = wxString( *theText , wxConvLocal , actualSize ) ;
 777                 HUnlock( theText ) ;
 778             }
 779
 780             DisposeHandle( theText ) ;
 781         }
 782 #endif // wxUSE_UNICODE/!wxUSE_UNICODE
 783     }
 784
 785 #if '\n' == 10
 786     wxMacConvertNewlines13To10( &result ) ;
 787 #else
 788     wxMacConvertNewlines10To13( &result ) ;
 789 #endif
 790
 791     return result ;
 792 }
 793
 794 void wxMacMLTEControl::SetStringValue( const wxString &str )
 795 {
 796     wxString st = str;
 797     wxMacConvertNewlines10To13( &st );
 798
 799     {
 800 #ifndef __LP64__
 801         wxMacWindowClipper c( GetWXPeer() ) ;
 802 #endif
 803
 804         {
 805             wxMacEditHelper help( m_txn );
 806             SetTXNData( st, kTXNStartOffset, kTXNEndOffset );
 807         }
 808
 809         TXNSetSelection( m_txn, 0, 0 );
 810         TXNShowSelection( m_txn, kTXNShowStart );
 811     }
 812 }
 813
 814 TXNFrameOptions wxMacMLTEControl::FrameOptionsFromWXStyle( long wxStyle )
 815 {
 816     TXNFrameOptions frameOptions = kTXNDontDrawCaretWhenInactiveMask;
 817
 818     frameOptions |= kTXNDoFontSubstitutionMask;
 819
 820     if ( ! (wxStyle & wxTE_NOHIDESEL) )
 821         frameOptions |= kTXNDontDrawSelectionWhenInactiveMask ;
 822
 823     if ( wxStyle & (wxHSCROLL | wxTE_DONTWRAP) )
 824         frameOptions |= kTXNWantHScrollBarMask ;
 825
 826     if ( wxStyle & wxTE_MULTILINE )
 827     {
 828         if ( ! (wxStyle & wxTE_DONTWRAP ) )
 829             frameOptions |= kTXNAlwaysWrapAtViewEdgeMask ;
 830
 831         if ( !(wxStyle & wxTE_NO_VSCROLL) )
 832         {
 833             frameOptions |= kTXNWantVScrollBarMask ;
 834
 835             // The following code causes drawing problems on 10.4. Perhaps it can be restored for
 836             // older versions of the OS, but I'm not sure it's appropriate to put a grow icon here
 837             // anyways, as AFAIK users can't actually use it to resize the text ctrl.
 838 //            if ( frameOptions & kTXNWantHScrollBarMask )
 839 //                frameOptions |= kTXNDrawGrowIconMask ;
 840         }
 841     }
 842     else
 843     {
 844         frameOptions |= kTXNSingleLineOnlyMask ;
 845     }
 846
 847     return frameOptions ;
 848 }
 849
 850 void wxMacMLTEControl::AdjustCreationAttributes(const wxColour &background,
 851                                                 bool WXUNUSED(visible))
 852 {
 853     TXNControlTag iControlTags[] =
 854         {
 855             kTXNDoFontSubstitution,
 856             kTXNWordWrapStateTag ,
 857         };
 858     TXNControlData iControlData[] =
 859         {
 860             { true },
 861             { kTXNNoAutoWrap },
 862         };
 863
 864     int toptag = WXSIZEOF( iControlTags ) ;
 865
 866     if ( m_windowStyle & wxTE_MULTILINE )
 867     {
 868         iControlData[1].uValue =
 869             (m_windowStyle & wxTE_DONTWRAP)
 870             ? kTXNNoAutoWrap
 871             : kTXNAutoWrap;
 872     }
 873
 874     OSStatus err = TXNSetTXNObjectControls( m_txn, false, toptag, iControlTags, iControlData ) ;
 875     verify_noerr( err );
 876
 877     // setting the default font:
 878     // under 10.2 this causes a visible caret, therefore we avoid it
 879
 880     Str255 fontName ;
 881     SInt16 fontSize ;
 882     Style fontStyle ;
 883
 884     GetThemeFont( kThemeSystemFont , GetApplicationScript() , fontName , &fontSize , &fontStyle ) ;
 885
 886     TXNTypeAttributes typeAttr[] =
 887     {
 888         { kTXNQDFontNameAttribute , kTXNQDFontNameAttributeSize , { (void*) fontName } } ,
 889         { kTXNQDFontSizeAttribute , kTXNFontSizeAttributeSize , { (void*) (fontSize << 16) } } ,
 890         { kTXNQDFontStyleAttribute , kTXNQDFontStyleAttributeSize , { (void*) normal } } ,
 891     } ;
 892
 893     err = TXNSetTypeAttributes(
 894         m_txn, WXSIZEOF(typeAttr),
 895         typeAttr, kTXNStartOffset, kTXNEndOffset );
 896     verify_noerr( err );
 897
 898     if ( m_windowStyle & wxTE_PASSWORD )
 899     {
 900         UniChar c = 0x00A5 ;
 901         err = TXNEchoMode( m_txn , c , 0 , true );
 902         verify_noerr( err );
 903     }
 904
 905     TXNBackground tback;
 906     tback.bgType = kTXNBackgroundTypeRGB;
 907     background.GetRGBColor( &tback.bg.color );
 908     TXNSetBackground( m_txn , &tback );
 909
 910
 911     TXNCommandEventSupportOptions options ;
 912     if ( TXNGetCommandEventSupport( m_txn, &options ) == noErr )
 913     {
 914         options |=
 915             kTXNSupportEditCommandProcessing
 916             | kTXNSupportEditCommandUpdating
 917             | kTXNSupportFontCommandProcessing
 918             | kTXNSupportFontCommandUpdating;
 919
 920         // only spell check when not read-only
 921         // use system options for the default
 922         bool checkSpelling = false ;
 923         if ( !(m_windowStyle & wxTE_READONLY) )
 924         {
 925 #if wxUSE_SYSTEM_OPTIONS
 926             if ( wxSystemOptions::HasOption( wxMAC_TEXTCONTROL_USE_SPELL_CHECKER ) && (wxSystemOptions::GetOptionInt( wxMAC_TEXTCONTROL_USE_SPELL_CHECKER ) == 1) )
 927             {
 928                 checkSpelling = true ;
 929             }
 930 #endif
 931         }
 932
 933         if ( checkSpelling )
 934             options |=
 935                 kTXNSupportSpellCheckCommandProcessing
 936                 | kTXNSupportSpellCheckCommandUpdating;
 937
 938         TXNSetCommandEventSupport( m_txn , options ) ;
 939     }
 940 }
 941
 942 void wxMacMLTEControl::SetBackgroundColour(const wxColour& col )
 943 {
 944     TXNBackground tback;
 945     tback.bgType = kTXNBackgroundTypeRGB;
 946     col.GetRGBColor(&tback.bg.color);
 947     TXNSetBackground( m_txn , &tback );
 948 }
 949
 950 static inline int wxConvertToTXN(int x)
 951 {
 952     return static_cast<int>(x / 254.0 * 72 + 0.5);
 953 }
 954
 955 void wxMacMLTEControl::TXNSetAttribute( const wxTextAttr& style , long from , long to )
 956 {
 957     TXNTypeAttributes typeAttr[4] ;
 958     RGBColor color ;
 959     size_t typeAttrCount = 0 ;
 960
 961     TXNMargins margins;
 962     TXNControlTag    controlTags[4];
 963     TXNControlData   controlData[4];
 964     size_t controlAttrCount = 0;
 965
 966     TXNTab* tabs = NULL;
 967
 968     bool relayout = false;
 969     wxFont font ;
 970
 971     if ( style.HasFont() )
 972     {
 973         wxASSERT( typeAttrCount < WXSIZEOF(typeAttr) );
 974         font = style.GetFont() ;
 975         typeAttr[typeAttrCount].tag = kTXNATSUIStyle ;
 976         typeAttr[typeAttrCount].size = kTXNATSUIStyleSize ;
 977         typeAttr[typeAttrCount].data.dataPtr = font.MacGetATSUStyle() ;
 978         typeAttrCount++ ;
 979     }
 980
 981     if ( style.HasTextColour() )
 982     {
 983         wxASSERT( typeAttrCount < WXSIZEOF(typeAttr) );
 984         style.GetTextColour().GetRGBColor( &color );
 985         typeAttr[typeAttrCount].tag = kTXNQDFontColorAttribute ;
 986         typeAttr[typeAttrCount].size = kTXNQDFontColorAttributeSize ;
 987         typeAttr[typeAttrCount].data.dataPtr = (void*) &color ;
 988         typeAttrCount++ ;
 989     }
 990
 991     if ( style.HasAlignment() )
 992     {
 993         wxASSERT( controlAttrCount < WXSIZEOF(controlTags) );
 994         SInt32 align;
 995
 996         switch ( style.GetAlignment() )
 997         {
 998             case wxTEXT_ALIGNMENT_LEFT:
 999                 align = kTXNFlushLeft;
1000                 break;
1001             case wxTEXT_ALIGNMENT_CENTRE:
1002                 align = kTXNCenter;
1003                 break;
1004             case wxTEXT_ALIGNMENT_RIGHT:
1005                 align = kTXNFlushRight;
1006                 break;
1007             case wxTEXT_ALIGNMENT_JUSTIFIED:
1008                 align = kTXNFullJust;
1009                 break;
1010             default :
1011             case wxTEXT_ALIGNMENT_DEFAULT:
1012                 align = kTXNFlushDefault;
1013                 break;
1014         }
1015
1016         controlTags[controlAttrCount] = kTXNJustificationTag ;
1017         controlData[controlAttrCount].sValue = align ;
1018         controlAttrCount++ ;
1019     }
1020
1021     if ( style.HasLeftIndent() || style.HasRightIndent() )
1022     {
1023         wxASSERT( controlAttrCount < WXSIZEOF(controlTags) );
1024         controlTags[controlAttrCount] = kTXNMarginsTag;
1025         controlData[controlAttrCount].marginsPtr = &margins;
1026         verify_noerr( TXNGetTXNObjectControls (m_txn, 1 ,
1027                                 &controlTags[controlAttrCount], &controlData[controlAttrCount]) );
1028         if ( style.HasLeftIndent() )
1029         {
1030             margins.leftMargin = wxConvertToTXN(style.GetLeftIndent());
1031         }
1032         if ( style.HasRightIndent() )
1033         {
1034             margins.rightMargin = wxConvertToTXN(style.GetRightIndent());
1035         }
1036         controlAttrCount++ ;
1037     }
1038
1039     if ( style.HasTabs() )
1040     {
1041         const wxArrayInt& tabarray = style.GetTabs();
1042         // unfortunately Mac only applies a tab distance, not individually different tabs
1043         controlTags[controlAttrCount] = kTXNTabSettingsTag;
1044         if ( tabarray.size() > 0 )
1045             controlData[controlAttrCount].tabValue.value = wxConvertToTXN(tabarray[0]);
1046         else
1047             controlData[controlAttrCount].tabValue.value = 72 ;
1048
1049         controlData[controlAttrCount].tabValue.tabType = kTXNLeftTab;
1050         controlAttrCount++ ;
1051     }
1052
1053     // unfortunately the relayout is not automatic
1054     if ( controlAttrCount > 0 )
1055     {
1056         verify_noerr( TXNSetTXNObjectControls (m_txn, false /* don't clear all */, controlAttrCount,
1057                                 controlTags, controlData) );
1058         relayout = true;
1059     }
1060
1061     if ( typeAttrCount > 0 )
1062     {
1063         verify_noerr( TXNSetTypeAttributes( m_txn , typeAttrCount, typeAttr, from , to ) );
1064         if (from != to)
1065             relayout = true;
1066     }
1067
1068     if ( tabs != NULL )
1069     {
1070         delete[] tabs;
1071     }
1072
1073     if ( relayout )
1074     {
1075         TXNRecalcTextLayout( m_txn );
1076     }
1077 }
1078
1079 void wxMacMLTEControl::SetFont(const wxFont & font,
1080                                const wxColour& foreground,
1081                                long WXUNUSED(windowStyle),
1082                                bool WXUNUSED(ignoreBlack))
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 #if wxUSE_UNICODE
1127     OSErr err = TXNGetDataEncoded( m_txn, kTXNStartOffset, kTXNEndOffset, &theText, kTXNUnicodeTextData );
1128     // all done
1129     if ( err == noErr )
1130     {
1131         actualsize = GetHandleSize( theText )/sizeof(UniChar);
1132         DisposeHandle( theText ) ;
1133     }
1134 #else
1135     OSErr err = TXNGetDataEncoded( m_txn, kTXNStartOffset, kTXNEndOffset, &theText, kTXNTextData );
1136
1137     // all done
1138     if ( err == noErr )
1139     {
1140         actualsize = GetHandleSize( theText ) ;
1141         DisposeHandle( theText ) ;
1142     }
1143 #endif
1144     else
1145     {
1146         actualsize = 0 ;
1147     }
1148
1149     return actualsize ;
1150 }
1151
1152 void wxMacMLTEControl::Replace( long from , long to , const wxString &str )
1153 {
1154     wxString value = str ;
1155     wxMacConvertNewlines10To13( &value ) ;
1156
1157     wxMacEditHelper help( m_txn ) ;
1158 #ifndef __LP64__
1159     wxMacWindowClipper c( GetWXPeer() ) ;
1160 #endif
1161
1162     TXNSetSelection( m_txn, from, to == -1 ? kTXNEndOffset : to ) ;
1163     TXNClear( m_txn ) ;
1164     SetTXNData( value, kTXNUseCurrentSelection, kTXNUseCurrentSelection ) ;
1165 }
1166
1167 void wxMacMLTEControl::Remove( long from , long to )
1168 {
1169 #ifndef __LP64__
1170     wxMacWindowClipper c( GetWXPeer() ) ;
1171 #endif
1172     wxMacEditHelper help( m_txn ) ;
1173     TXNSetSelection( m_txn , from , to ) ;
1174     TXNClear( m_txn ) ;
1175 }
1176
1177 void wxMacMLTEControl::GetSelection( long* from, long* to) const
1178 {
1179     TXNOffset f,t ;
1180     TXNGetSelection( m_txn , &f , &t ) ;
1181     *from = f;
1182     *to = t;
1183 }
1184
1185 void wxMacMLTEControl::SetSelection( long from , long to )
1186 {
1187 #ifndef __LP64__
1188     wxMacWindowClipper c( GetWXPeer() ) ;
1189 #endif
1190
1191     // change the selection
1192     if ((from == -1) && (to == -1))
1193         TXNSelectAll( m_txn );
1194     else
1195         TXNSetSelection( m_txn, from, to == -1 ? kTXNEndOffset : to );
1196
1197     TXNShowSelection( m_txn, kTXNShowStart );
1198 }
1199
1200 void wxMacMLTEControl::WriteText( const wxString& str )
1201 {
1202     // TODO: this MPRemoting will be moved into a remoting peer proxy for any command
1203     if ( !wxIsMainThread() )
1204     {
1205 #if wxOSX_USE_CARBON
1206         // unfortunately CW 8 is not able to correctly deduce the template types,
1207         // so we have to instantiate explicitly
1208         wxMacMPRemoteGUICall<wxTextCtrl,wxString>( (wxTextCtrl*) GetWXPeer() , &wxTextCtrl::WriteText , str ) ;
1209 #endif
1210         return ;
1211     }
1212
1213     wxString st = str ;
1214     wxMacConvertNewlines10To13( &st ) ;
1215
1216     long start , end , dummy ;
1217
1218     GetSelection( &start , &dummy ) ;
1219 #ifndef __LP64__
1220     wxMacWindowClipper c( GetWXPeer() ) ;
1221 #endif
1222
1223     {
1224         wxMacEditHelper helper( m_txn ) ;
1225         SetTXNData( st, kTXNUseCurrentSelection, kTXNUseCurrentSelection ) ;
1226     }
1227
1228     GetSelection( &dummy, &end ) ;
1229
1230     // TODO: SetStyle( start , end , GetDefaultStyle() ) ;
1231 }
1232
1233 void wxMacMLTEControl::Clear()
1234 {
1235 #ifndef __LP64__
1236     wxMacWindowClipper c( GetWXPeer() ) ;
1237 #endif
1238     wxMacEditHelper st( m_txn ) ;
1239     TXNSetSelection( m_txn , kTXNStartOffset , kTXNEndOffset ) ;
1240     TXNClear( m_txn ) ;
1241 }
1242
1243 bool wxMacMLTEControl::CanUndo() const
1244 {
1245     return TXNCanUndo( m_txn , NULL ) ;
1246 }
1247
1248 void wxMacMLTEControl::Undo()
1249 {
1250     TXNUndo( m_txn ) ;
1251 }
1252
1253 bool wxMacMLTEControl::CanRedo() const
1254 {
1255     return TXNCanRedo( m_txn , NULL ) ;
1256 }
1257
1258 void wxMacMLTEControl::Redo()
1259 {
1260     TXNRedo( m_txn ) ;
1261 }
1262
1263 int wxMacMLTEControl::GetNumberOfLines() const
1264 {
1265     ItemCount lines = 0 ;
1266     TXNGetLineCount( m_txn, &lines ) ;
1267
1268     return lines ;
1269 }
1270
1271 long wxMacMLTEControl::XYToPosition(long x, long y) const
1272 {
1273     Point curpt ;
1274     wxTextPos lastpos ;
1275
1276     // TODO: find a better implementation : while we can get the
1277     // line metrics of a certain line, we don't get its starting
1278     // position, so it would probably be rather a binary search
1279     // for the start position
1280     long xpos = 0, ypos = 0 ;
1281     int lastHeight = 0 ;
1282     ItemCount n ;
1283
1284     lastpos = GetLastPosition() ;
1285     for ( n = 0 ; n <= (ItemCount) lastpos ; ++n )
1286     {
1287         if ( y == ypos && x == xpos )
1288             return n ;
1289
1290         TXNOffsetToPoint( m_txn, n, &curpt ) ;
1291
1292         if ( curpt.v > lastHeight )
1293         {
1294             xpos = 0 ;
1295             if ( n > 0 )
1296                 ++ypos ;
1297
1298             lastHeight = curpt.v ;
1299         }
1300         else
1301             ++xpos ;
1302     }
1303
1304     return 0 ;
1305 }
1306
1307 bool wxMacMLTEControl::PositionToXY( long pos, long *x, long *y ) const
1308 {
1309     Point curpt ;
1310     wxTextPos lastpos ;
1311
1312     if ( y )
1313         *y = 0 ;
1314     if ( x )
1315         *x = 0 ;
1316
1317     lastpos = GetLastPosition() ;
1318     if ( pos <= lastpos )
1319     {
1320         // TODO: find a better implementation - while we can get the
1321         // line metrics of a certain line, we don't get its starting
1322         // position, so it would probably be rather a binary search
1323         // for the start position
1324         long xpos = 0, ypos = 0 ;
1325         int lastHeight = 0 ;
1326         ItemCount n ;
1327
1328         for ( n = 0 ; n <= (ItemCount) pos ; ++n )
1329         {
1330             TXNOffsetToPoint( m_txn, n, &curpt ) ;
1331
1332             if ( curpt.v > lastHeight )
1333             {
1334                 xpos = 0 ;
1335                 if ( n > 0 )
1336                     ++ypos ;
1337
1338                 lastHeight = curpt.v ;
1339             }
1340             else
1341                 ++xpos ;
1342         }
1343
1344         if ( y )
1345             *y = ypos ;
1346         if ( x )
1347             *x = xpos ;
1348     }
1349
1350     return false ;
1351 }
1352
1353 void wxMacMLTEControl::ShowPosition( long pos )
1354 {
1355     Point current, desired ;
1356     TXNOffset selstart, selend;
1357
1358     TXNGetSelection( m_txn, &selstart, &selend );
1359     TXNOffsetToPoint( m_txn, selstart, &current );
1360     TXNOffsetToPoint( m_txn, pos, &desired );
1361
1362     // TODO: use HIPoints for 10.3 and above
1363
1364     OSErr theErr = noErr;
1365     long dv = desired.v - current.v;
1366     long dh = desired.h - current.h;
1367     TXNShowSelection( m_txn, kTXNShowStart ) ; // NB: should this be kTXNShowStart or kTXNShowEnd ??
1368     theErr = TXNScroll( m_txn, kTXNScrollUnitsInPixels, kTXNScrollUnitsInPixels, &dv, &dh );
1369
1370     // there will be an error returned for classic MLTE implementation when the control is
1371     // invisible, but HITextView works correctly, so we don't assert that one
1372     // wxASSERT_MSG( theErr == noErr, wxT("TXNScroll returned an error!") );
1373 }
1374
1375 void wxMacMLTEControl::SetTXNData( const wxString& st, TXNOffset start, TXNOffset end )
1376 {
1377 #if wxUSE_UNICODE
1378     wxMBConvUTF16 converter ;
1379     ByteCount byteBufferLen = converter.WC2MB( NULL, st.wc_str(), 0 ) ;
1380     wxASSERT_MSG( byteBufferLen != wxCONV_FAILED,
1381                   wxT("Conversion to UTF-16 unexpectedly failed") );
1382     UniChar *unibuf = (UniChar*)malloc( byteBufferLen + 2 ) ; // 2 for NUL in UTF-16
1383     converter.WC2MB( (char*)unibuf, st.wc_str(), byteBufferLen + 2 ) ;
1384     TXNSetData( m_txn, kTXNUnicodeTextData, (void*)unibuf, byteBufferLen, start, end ) ;
1385     free( unibuf ) ;
1386 #else // !wxUSE_UNICODE
1387     wxCharBuffer text = st.mb_str( wxConvLocal ) ;
1388     TXNSetData( m_txn, kTXNTextData, (void*)text.data(), strlen( text ), start, end ) ;
1389 #endif // wxUSE_UNICODE/!wxUSE_UNICODE
1390 }
1391
1392 wxString wxMacMLTEControl::GetLineText(long lineNo) const
1393 {
1394     wxString line ;
1395
1396     if ( lineNo < GetNumberOfLines() )
1397     {
1398         Point firstPoint;
1399         Fixed lineWidth, lineHeight, currentHeight;
1400         long ypos ;
1401
1402         // get the first possible position in the control
1403         TXNOffsetToPoint(m_txn, 0, &firstPoint);
1404
1405         // Iterate through the lines until we reach the one we want,
1406         // adding to our current y pixel point position
1407         ypos = 0 ;
1408         currentHeight = 0;
1409         while (ypos < lineNo)
1410         {
1411             TXNGetLineMetrics(m_txn, ypos++, &lineWidth, &lineHeight);
1412             currentHeight += lineHeight;
1413         }
1414
1415         Point thePoint = { firstPoint.v + (currentHeight >> 16), firstPoint.h + (0) };
1416         TXNOffset theOffset;
1417         TXNPointToOffset(m_txn, thePoint, &theOffset);
1418
1419         wxString content = GetStringValue() ;
1420         Point currentPoint = thePoint;
1421         while (thePoint.v == currentPoint.v && theOffset < content.length())
1422         {
1423             line += content[theOffset];
1424             TXNOffsetToPoint(m_txn, ++theOffset, &currentPoint);
1425         }
1426     }
1427
1428     return line ;
1429 }
1430
1431 int wxMacMLTEControl::GetLineLength(long lineNo) const
1432 {
1433     int theLength = 0;
1434
1435     if ( lineNo < GetNumberOfLines() )
1436     {
1437         Point firstPoint;
1438         Fixed lineWidth, lineHeight, currentHeight;
1439         long ypos;
1440
1441         // get the first possible position in the control
1442         TXNOffsetToPoint(m_txn, 0, &firstPoint);
1443
1444         // Iterate through the lines until we reach the one we want,
1445         // adding to our current y pixel point position
1446         ypos = 0;
1447         currentHeight = 0;
1448         while (ypos < lineNo)
1449         {
1450             TXNGetLineMetrics(m_txn, ypos++, &lineWidth, &lineHeight);
1451             currentHeight += lineHeight;
1452         }
1453
1454         Point thePoint = { firstPoint.v + (currentHeight >> 16), firstPoint.h + (0) };
1455         TXNOffset theOffset;
1456         TXNPointToOffset(m_txn, thePoint, &theOffset);
1457
1458         wxString content = GetStringValue() ;
1459         Point currentPoint = thePoint;
1460         while (thePoint.v == currentPoint.v && theOffset < content.length())
1461         {
1462             ++theLength;
1463             TXNOffsetToPoint(m_txn, ++theOffset, &currentPoint);
1464         }
1465     }
1466
1467     return theLength ;
1468 }
1469
1470 #if MAC_OS_X_VERSION_MIN_REQUIRED < MAC_OS_X_VERSION_10_5
1471
1472 // ----------------------------------------------------------------------------
1473 // MLTE control implementation (classic part)
1474 // ----------------------------------------------------------------------------
1475
1476 // OS X Notes : We still don't have a full replacement for MLTE, so this implementation
1477 // has to live on. We have different problems coming from outdated implementations on the
1478 // various OS X versions. Most deal with the scrollbars: they are not correctly embedded
1479 // while this can be solved on 10.3 by reassigning them the correct place, on 10.2 there is
1480 // no way out, therefore we are using our own implementation and our own scrollbars ....
1481
1482 TXNScrollInfoUPP gTXNScrollInfoProc = NULL ;
1483 ControlActionUPP gTXNScrollActionProc = NULL ;
1484
1485 pascal void wxMacMLTEClassicControl::TXNScrollInfoProc(
1486     SInt32 iValue, SInt32 iMaximumValue,
1487     TXNScrollBarOrientation iScrollBarOrientation, SInt32 iRefCon )
1488 {
1489     wxMacMLTEClassicControl* mlte = (wxMacMLTEClassicControl*) iRefCon ;
1490     SInt32 value =  wxMax( iValue , 0 ) ;
1491     SInt32 maximum = wxMax( iMaximumValue , 0 ) ;
1492
1493     if ( iScrollBarOrientation == kTXNHorizontal )
1494     {
1495         if ( mlte->m_sbHorizontal )
1496         {
1497             SetControl32BitValue( mlte->m_sbHorizontal , value ) ;
1498             SetControl32BitMaximum( mlte->m_sbHorizontal , maximum ) ;
1499             mlte->m_lastHorizontalValue = value ;
1500         }
1501     }
1502     else if ( iScrollBarOrientation == kTXNVertical )
1503     {
1504         if ( mlte->m_sbVertical )
1505         {
1506             SetControl32BitValue( mlte->m_sbVertical , value ) ;
1507             SetControl32BitMaximum( mlte->m_sbVertical , maximum ) ;
1508             mlte->m_lastVerticalValue = value ;
1509         }
1510     }
1511 }
1512
1513 pascal void wxMacMLTEClassicControl::TXNScrollActionProc( ControlRef controlRef , ControlPartCode partCode )
1514 {
1515     wxMacMLTEClassicControl* mlte = (wxMacMLTEClassicControl*) GetControlReference( controlRef ) ;
1516     if ( mlte == NULL )
1517         return ;
1518
1519     if ( controlRef != mlte->m_sbVertical && controlRef != mlte->m_sbHorizontal )
1520         return ;
1521
1522     OSStatus err ;
1523     bool isHorizontal = ( controlRef == mlte->m_sbHorizontal ) ;
1524
1525     SInt32 minimum = 0 ;
1526     SInt32 maximum = GetControl32BitMaximum( controlRef ) ;
1527     SInt32 value = GetControl32BitValue( controlRef ) ;
1528     SInt32 delta = 0;
1529
1530     switch ( partCode )
1531     {
1532         case kControlDownButtonPart :
1533             delta = 10 ;
1534             break ;
1535
1536         case kControlUpButtonPart :
1537             delta = -10 ;
1538             break ;
1539
1540         case kControlPageDownPart :
1541             delta = GetControlViewSize( controlRef ) ;
1542             break ;
1543
1544         case kControlPageUpPart :
1545             delta = -GetControlViewSize( controlRef ) ;
1546             break ;
1547
1548         case kControlIndicatorPart :
1549             delta = value - (isHorizontal ? mlte->m_lastHorizontalValue : mlte->m_lastVerticalValue) ;
1550             break ;
1551
1552         default :
1553             break ;
1554     }
1555
1556     if ( delta != 0 )
1557     {
1558         SInt32 newValue = value ;
1559
1560         if ( partCode != kControlIndicatorPart )
1561         {
1562             if ( value + delta < minimum )
1563                 delta = minimum - value ;
1564             if ( value + delta > maximum )
1565                 delta = maximum - value ;
1566
1567             SetControl32BitValue( controlRef , value + delta ) ;
1568             newValue = value + delta ;
1569         }
1570
1571         SInt32 verticalDelta = isHorizontal ? 0 : delta ;
1572         SInt32 horizontalDelta = isHorizontal ? delta : 0 ;
1573
1574         err = TXNScroll(
1575             mlte->m_txn, kTXNScrollUnitsInPixels, kTXNScrollUnitsInPixels,
1576             &verticalDelta, &horizontalDelta );
1577         verify_noerr( err );
1578
1579         if ( isHorizontal )
1580             mlte->m_lastHorizontalValue = newValue ;
1581         else
1582             mlte->m_lastVerticalValue = newValue ;
1583     }
1584 }
1585
1586 // make correct activations
1587 void wxMacMLTEClassicControl::MacActivatePaneText(bool setActive)
1588 {
1589     wxTextCtrl* textctrl = (wxTextCtrl*) GetControlReference(m_controlRef);
1590
1591     wxMacWindowClipper clipper( textctrl ) ;
1592     TXNActivate( m_txn, m_txnFrameID, setActive );
1593
1594     ControlRef controlFocus = 0 ;
1595     GetKeyboardFocus( m_txnWindow , &controlFocus ) ;
1596     if ( controlFocus == m_controlRef )
1597         TXNFocus( m_txn, setActive );
1598 }
1599
1600 void wxMacMLTEClassicControl::MacFocusPaneText(bool setFocus)
1601 {
1602     TXNFocus( m_txn, setFocus );
1603 }
1604
1605 // guards against inappropriate redraw (hidden objects drawing onto window)
1606
1607 void wxMacMLTEClassicControl::MacSetObjectVisibility(bool vis)
1608 {
1609     ControlRef controlFocus = 0 ;
1610     GetKeyboardFocus( m_txnWindow , &controlFocus ) ;
1611
1612     if ( !vis && (controlFocus == m_controlRef ) )
1613         SetKeyboardFocus( m_txnWindow , m_controlRef , kControlFocusNoPart ) ;
1614
1615     TXNControlTag iControlTags[1] = { kTXNVisibilityTag };
1616     TXNControlData iControlData[1] = { { (UInt32)false } };
1617
1618     verify_noerr( TXNGetTXNObjectControls( m_txn , 1, iControlTags, iControlData ) ) ;
1619
1620     if ( iControlData[0].uValue != vis )
1621     {
1622         iControlData[0].uValue = vis ;
1623         verify_noerr( TXNSetTXNObjectControls( m_txn, false , 1, iControlTags, iControlData ) ) ;
1624     }
1625
1626     // currently, we always clip as partial visibility (overlapped) visibility is also a problem,
1627     // if we run into further problems we might set the FrameBounds to an empty rect here
1628 }
1629
1630 // make sure that the TXNObject is at the right position
1631
1632 void wxMacMLTEClassicControl::MacUpdatePosition()
1633 {
1634     wxTextCtrl* textctrl = (wxTextCtrl*)GetControlReference( m_controlRef );
1635     if ( textctrl == NULL )
1636         return ;
1637
1638     Rect bounds ;
1639     GetRectInWindowCoords( &bounds );
1640
1641     wxRect visRect = textctrl->MacGetClippedClientRect() ;
1642     Rect visBounds = { visRect.y , visRect.x , visRect.y + visRect.height , visRect.x + visRect.width } ;
1643     int x , y ;
1644     x = y = 0 ;
1645     textctrl->MacWindowToRootWindow( &x , &y ) ;
1646     OffsetRect( &visBounds , x , y ) ;
1647
1648     if ( !EqualRect( &bounds, &m_txnControlBounds ) || !EqualRect( &visBounds, &m_txnVisBounds ) )
1649     {
1650         m_txnControlBounds = bounds ;
1651         m_txnVisBounds = visBounds ;
1652         wxMacWindowClipper cl( textctrl ) ;
1653
1654         if ( m_sbHorizontal || m_sbVertical )
1655         {
1656             int w = bounds.right - bounds.left ;
1657             int h = bounds.bottom - bounds.top ;
1658
1659             if ( m_sbHorizontal )
1660             {
1661                 Rect sbBounds ;
1662
1663                 sbBounds.left = -1 ;
1664                 sbBounds.top = h - 14 ;
1665                 sbBounds.right = w + 1 ;
1666                 sbBounds.bottom = h + 1 ;
1667
1668                 SetControlBounds( m_sbHorizontal , &sbBounds ) ;
1669                 SetControlViewSize( m_sbHorizontal , w ) ;
1670             }
1671
1672             if ( m_sbVertical )
1673             {
1674                 Rect sbBounds ;
1675
1676                 sbBounds.left = w - 14 ;
1677                 sbBounds.top = -1 ;
1678                 sbBounds.right = w + 1 ;
1679                 sbBounds.bottom = m_sbHorizontal ? h - 14 : h + 1 ;
1680
1681                 SetControlBounds( m_sbVertical , &sbBounds ) ;
1682                 SetControlViewSize( m_sbVertical , h ) ;
1683             }
1684         }
1685
1686         Rect oldviewRect ;
1687         TXNLongRect olddestRect ;
1688         TXNGetRectBounds( m_txn , &oldviewRect , &olddestRect , NULL ) ;
1689
1690         Rect viewRect = { m_txnControlBounds.top, m_txnControlBounds.left,
1691             m_txnControlBounds.bottom - ( m_sbHorizontal ? 14 : 0 ) ,
1692             m_txnControlBounds.right - ( m_sbVertical ? 14 : 0 ) } ;
1693         TXNLongRect destRect = { m_txnControlBounds.top, m_txnControlBounds.left,
1694             m_txnControlBounds.bottom - ( m_sbHorizontal ? 14 : 0 ) ,
1695             m_txnControlBounds.right - ( m_sbVertical ? 14 : 0 ) } ;
1696
1697         if ( olddestRect.right >= 10000 )
1698             destRect.right = destRect.left + 32000 ;
1699
1700         if ( olddestRect.bottom >= 0x20000000 )
1701             destRect.bottom = destRect.top + 0x40000000 ;
1702
1703         SectRect( &viewRect , &visBounds , &viewRect ) ;
1704         TXNSetRectBounds( m_txn , &viewRect , &destRect , true ) ;
1705
1706 #if 0
1707         TXNSetFrameBounds(
1708             m_txn,
1709             m_txnControlBounds.top,
1710             m_txnControlBounds.left,
1711             m_txnControlBounds.bottom - (m_sbHorizontal ? 14 : 0),
1712             m_txnControlBounds.right - (m_sbVertical ? 14 : 0),
1713             m_txnFrameID );
1714 #endif
1715
1716         // the SetFrameBounds method under Classic sometimes does not correctly scroll a selection into sight after a
1717         // movement, therefore we have to force it
1718
1719         // this problem has been reported in OSX as well, so we use this here once again
1720
1721         TXNLongRect textRect ;
1722         TXNGetRectBounds( m_txn , NULL , NULL , &textRect ) ;
1723         if ( textRect.left < m_txnControlBounds.left )
1724             TXNShowSelection( m_txn , kTXNShowStart ) ;
1725     }
1726 }
1727
1728 void wxMacMLTEClassicControl::Move(int x, int y, int width, int height)
1729 {
1730     wxMacControl::Move(x,y,width,height) ;
1731     MacUpdatePosition() ;
1732 }
1733
1734 void wxMacMLTEClassicControl::MacControlUserPaneDrawProc(wxInt16 WXUNUSED(thePart))
1735 {
1736     wxTextCtrl* textctrl = (wxTextCtrl*)GetControlReference( m_controlRef );
1737     if ( textctrl == NULL )
1738         return ;
1739
1740     if ( textctrl->IsShownOnScreen() )
1741     {
1742         wxMacWindowClipper clipper( textctrl ) ;
1743         TXNDraw( m_txn , NULL ) ;
1744     }
1745 }
1746
1747 wxInt16 wxMacMLTEClassicControl::MacControlUserPaneHitTestProc(wxInt16 x, wxInt16 y)
1748 {
1749     Point where = { y , x } ;
1750     ControlPartCode result = kControlNoPart;
1751
1752     wxTextCtrl* textctrl = (wxTextCtrl*) GetControlReference( m_controlRef );
1753     if ( (textctrl != NULL) && textctrl->IsShownOnScreen() )
1754     {
1755         if (PtInRect( where, &m_txnControlBounds ))
1756         {
1757             result = kControlEditTextPart ;
1758         }
1759         else
1760         {
1761             // sometimes we get the coords also in control local coordinates, therefore test again
1762             int x = 0 , y = 0 ;
1763             textctrl->MacClientToRootWindow( &x , &y ) ;
1764             where.h += x ;
1765             where.v += y ;
1766
1767             if (PtInRect( where, &m_txnControlBounds ))
1768                 result = kControlEditTextPart ;
1769         }
1770     }
1771
1772     return result;
1773 }
1774
1775 wxInt16 wxMacMLTEClassicControl::MacControlUserPaneTrackingProc( wxInt16 x, wxInt16 y, void* WXUNUSED(actionProc) )
1776 {
1777     ControlPartCode result = kControlNoPart;
1778
1779     wxTextCtrl* textctrl = (wxTextCtrl*) GetControlReference( m_controlRef );
1780     if ( (textctrl != NULL) && textctrl->IsShownOnScreen() )
1781     {
1782         Point startPt = { y , x } ;
1783
1784         // for compositing, we must convert these into toplevel window coordinates, because hittesting expects them
1785         int x = 0 , y = 0 ;
1786         textctrl->MacClientToRootWindow( &x , &y ) ;
1787         startPt.h += x ;
1788         startPt.v += y ;
1789
1790         switch (MacControlUserPaneHitTestProc( startPt.h , startPt.v ))
1791         {
1792             case kControlEditTextPart :
1793             {
1794                 wxMacWindowClipper clipper( textctrl ) ;
1795                 EventRecord rec ;
1796
1797                 ConvertEventRefToEventRecord( (EventRef) wxTheApp->MacGetCurrentEvent() , &rec ) ;
1798                 TXNClick( m_txn, &rec );
1799             }
1800                 break;
1801
1802             default :
1803                 break;
1804         }
1805     }
1806
1807     return result;
1808 }
1809
1810 void wxMacMLTEClassicControl::MacControlUserPaneIdleProc()
1811 {
1812     wxTextCtrl* textctrl = (wxTextCtrl*)GetControlReference( m_controlRef );
1813     if ( textctrl == NULL )
1814         return ;
1815
1816     if (textctrl->IsShownOnScreen())
1817     {
1818         if (IsControlActive(m_controlRef))
1819         {
1820             Point mousep;
1821
1822             wxMacWindowClipper clipper( textctrl ) ;
1823             GetMouse(&mousep);
1824
1825             TXNIdle(m_txn);
1826
1827             if (PtInRect(mousep, &m_txnControlBounds))
1828             {
1829                 RgnHandle theRgn = NewRgn();
1830                 RectRgn(theRgn, &m_txnControlBounds);
1831                 TXNAdjustCursor(m_txn, theRgn);
1832                 DisposeRgn(theRgn);
1833             }
1834         }
1835     }
1836 }
1837
1838 wxInt16 wxMacMLTEClassicControl::MacControlUserPaneKeyDownProc (wxInt16 keyCode, wxInt16 charCode, wxInt16 modifiers)
1839 {
1840     wxTextCtrl* textctrl = (wxTextCtrl*)GetControlReference( m_controlRef );
1841     if ( textctrl == NULL )
1842         return kControlNoPart;
1843
1844     wxMacWindowClipper clipper( textctrl ) ;
1845
1846     EventRecord ev ;
1847     memset( &ev , 0 , sizeof( ev ) ) ;
1848     ev.what = keyDown ;
1849     ev.modifiers = modifiers ;
1850     ev.message = ((keyCode << 8) & keyCodeMask) | (charCode & charCodeMask);
1851     TXNKeyDown( m_txn , &ev );
1852
1853     return kControlEntireControl;
1854 }
1855
1856 void wxMacMLTEClassicControl::MacControlUserPaneActivateProc(bool activating)
1857 {
1858     MacActivatePaneText( activating );
1859 }
1860
1861 wxInt16 wxMacMLTEClassicControl::MacControlUserPaneFocusProc(wxInt16 action)
1862 {
1863     ControlPartCode focusResult = kControlFocusNoPart;
1864
1865     wxTextCtrl* textctrl = (wxTextCtrl*)GetControlReference( m_controlRef );
1866     if ( textctrl == NULL )
1867         return focusResult;
1868
1869     wxMacWindowClipper clipper( textctrl ) ;
1870
1871     ControlRef controlFocus = NULL ;
1872     GetKeyboardFocus( m_txnWindow , &controlFocus ) ;
1873     bool wasFocused = ( controlFocus == m_controlRef ) ;
1874
1875     switch (action)
1876     {
1877         case kControlFocusPrevPart:
1878         case kControlFocusNextPart:
1879             MacFocusPaneText( !wasFocused );
1880             focusResult = (!wasFocused ? (ControlPartCode) kControlEditTextPart : (ControlPartCode) kControlFocusNoPart);
1881             break;
1882
1883         case kControlFocusNoPart:
1884         default:
1885             MacFocusPaneText( false );
1886             focusResult = kControlFocusNoPart;
1887             break;
1888     }
1889
1890     return focusResult;
1891 }
1892
1893 void wxMacMLTEClassicControl::MacControlUserPaneBackgroundProc( void *WXUNUSED(info) )
1894 {
1895 }
1896
1897 wxMacMLTEClassicControl::wxMacMLTEClassicControl( wxTextCtrl *wxPeer,
1898     const wxString& str,
1899     const wxPoint& pos,
1900     const wxSize& size, long style )
1901     : wxMacMLTEControl( wxPeer )
1902 {
1903     m_font = wxPeer->GetFont() ;
1904     m_windowStyle = style ;
1905     Rect bounds = wxMacGetBoundsForControl( wxPeer , pos , size ) ;
1906
1907     short featureSet =
1908         kControlSupportsEmbedding | kControlSupportsFocus | kControlWantsIdle
1909         | kControlWantsActivate  | kControlHandlesTracking
1910 //    | kControlHasSpecialBackground
1911         | kControlGetsFocusOnClick | kControlSupportsLiveFeedback;
1912
1913    OSStatus err = ::CreateUserPaneControl(
1914         MAC_WXHWND(wxPeer->GetParent()->MacGetTopLevelWindowRef()),
1915         &bounds, featureSet, &m_controlRef );
1916     verify_noerr( err );
1917     SetControlReference( m_controlRef , (URefCon) wxPeer );
1918
1919     DoCreate();
1920
1921     AdjustCreationAttributes( *wxWHITE , true ) ;
1922
1923     MacSetObjectVisibility( wxPeer->IsShownOnScreen() ) ;
1924
1925     {
1926         wxString st = str ;
1927         wxMacConvertNewlines10To13( &st ) ;
1928         wxMacWindowClipper clipper( GetWXPeer() ) ;
1929         SetTXNData( st , kTXNStartOffset, kTXNEndOffset ) ;
1930         TXNSetSelection( m_txn, 0, 0 ) ;
1931     }
1932 }
1933
1934 wxMacMLTEClassicControl::~wxMacMLTEClassicControl()
1935 {
1936     TXNDeleteObject( m_txn );
1937     m_txn = NULL ;
1938 }
1939
1940 void wxMacMLTEClassicControl::VisibilityChanged(bool shown)
1941 {
1942     MacSetObjectVisibility( shown ) ;
1943     wxMacControl::VisibilityChanged( shown ) ;
1944 }
1945
1946 void wxMacMLTEClassicControl::SuperChangedPosition()
1947 {
1948     MacUpdatePosition() ;
1949     wxMacControl::SuperChangedPosition() ;
1950 }
1951
1952 ControlUserPaneDrawUPP gTPDrawProc = NULL;
1953 ControlUserPaneHitTestUPP gTPHitProc = NULL;
1954 ControlUserPaneTrackingUPP gTPTrackProc = NULL;
1955 ControlUserPaneIdleUPP gTPIdleProc = NULL;
1956 ControlUserPaneKeyDownUPP gTPKeyProc = NULL;
1957 ControlUserPaneActivateUPP gTPActivateProc = NULL;
1958 ControlUserPaneFocusUPP gTPFocusProc = NULL;
1959
1960 static pascal void wxMacControlUserPaneDrawProc(ControlRef control, SInt16 part)
1961 {
1962     wxTextCtrl *textCtrl =  wxDynamicCast( wxFindWindowFromWXWidget( (WXWidget) control) , wxTextCtrl ) ;
1963     wxMacMLTEClassicControl * win = textCtrl ? (wxMacMLTEClassicControl*)(textCtrl->GetPeer()) : NULL ;
1964     if ( win )
1965         win->MacControlUserPaneDrawProc( part ) ;
1966 }
1967
1968 static pascal ControlPartCode wxMacControlUserPaneHitTestProc(ControlRef control, Point where)
1969 {
1970     wxTextCtrl *textCtrl =  wxDynamicCast( wxFindWindowFromWXWidget( (WXWidget) control) , wxTextCtrl ) ;
1971     wxMacMLTEClassicControl * win = textCtrl ? (wxMacMLTEClassicControl*)(textCtrl->GetPeer()) : NULL ;
1972     if ( win )
1973         return win->MacControlUserPaneHitTestProc( where.h , where.v ) ;
1974     else
1975         return kControlNoPart ;
1976 }
1977
1978 static pascal ControlPartCode wxMacControlUserPaneTrackingProc(ControlRef control, Point startPt, ControlActionUPP actionProc)
1979 {
1980     wxTextCtrl *textCtrl =  wxDynamicCast( wxFindWindowFromWXWidget( (WXWidget) control) , wxTextCtrl ) ;
1981     wxMacMLTEClassicControl * win = textCtrl ? (wxMacMLTEClassicControl*)(textCtrl->GetPeer()) : NULL ;
1982     if ( win )
1983         return win->MacControlUserPaneTrackingProc( startPt.h , startPt.v , (void*) actionProc ) ;
1984     else
1985         return kControlNoPart ;
1986 }
1987
1988 static pascal void wxMacControlUserPaneIdleProc(ControlRef control)
1989 {
1990     wxTextCtrl *textCtrl =  wxDynamicCast( wxFindWindowFromWXWidget((WXWidget) control) , wxTextCtrl ) ;
1991     wxMacMLTEClassicControl * win = textCtrl ? (wxMacMLTEClassicControl*)(textCtrl->GetPeer()) : NULL ;
1992     if ( win )
1993         win->MacControlUserPaneIdleProc() ;
1994 }
1995
1996 static pascal ControlPartCode wxMacControlUserPaneKeyDownProc(ControlRef control, SInt16 keyCode, SInt16 charCode, SInt16 modifiers)
1997 {
1998     wxTextCtrl *textCtrl =  wxDynamicCast( wxFindWindowFromWXWidget((WXWidget) control) , wxTextCtrl ) ;
1999     wxMacMLTEClassicControl * win = textCtrl ? (wxMacMLTEClassicControl*)(textCtrl->GetPeer()) : NULL ;
2000     if ( win )
2001         return win->MacControlUserPaneKeyDownProc( keyCode, charCode, modifiers ) ;
2002     else
2003         return kControlNoPart ;
2004 }
2005
2006 static pascal void wxMacControlUserPaneActivateProc(ControlRef control, Boolean activating)
2007 {
2008     wxTextCtrl *textCtrl =  wxDynamicCast( wxFindWindowFromWXWidget( (WXWidget)control) , wxTextCtrl ) ;
2009     wxMacMLTEClassicControl * win = textCtrl ? (wxMacMLTEClassicControl*)(textCtrl->GetPeer()) : NULL ;
2010     if ( win )
2011         win->MacControlUserPaneActivateProc( activating ) ;
2012 }
2013
2014 static pascal ControlPartCode wxMacControlUserPaneFocusProc(ControlRef control, ControlFocusPart action)
2015 {
2016     wxTextCtrl *textCtrl =  wxDynamicCast( wxFindWindowFromWXWidget((WXWidget) control) , wxTextCtrl ) ;
2017     wxMacMLTEClassicControl * win = textCtrl ? (wxMacMLTEClassicControl*)(textCtrl->GetPeer()) : NULL ;
2018     if ( win )
2019         return win->MacControlUserPaneFocusProc( action ) ;
2020     else
2021         return kControlNoPart ;
2022 }
2023
2024 #if 0
2025 static pascal void wxMacControlUserPaneBackgroundProc(ControlRef control, ControlBackgroundPtr info)
2026 {
2027     wxTextCtrl *textCtrl =  wxDynamicCast( wxFindWindowFromWXWidget(control) , wxTextCtrl ) ;
2028     wxMacMLTEClassicControl * win = textCtrl ? (wxMacMLTEClassicControl*)(textCtrl->GetPeer()) : NULL ;
2029     if ( win )
2030         win->MacControlUserPaneBackgroundProc(info) ;
2031 }
2032 #endif
2033
2034 // TXNRegisterScrollInfoProc
2035
2036 OSStatus wxMacMLTEClassicControl::DoCreate()
2037 {
2038     Rect bounds;
2039     OSStatus err = noErr ;
2040
2041     // set up our globals
2042     if (gTPDrawProc == NULL) gTPDrawProc = NewControlUserPaneDrawUPP(wxMacControlUserPaneDrawProc);
2043     if (gTPHitProc == NULL) gTPHitProc = NewControlUserPaneHitTestUPP(wxMacControlUserPaneHitTestProc);
2044     if (gTPTrackProc == NULL) gTPTrackProc = NewControlUserPaneTrackingUPP(wxMacControlUserPaneTrackingProc);
2045     if (gTPIdleProc == NULL) gTPIdleProc = NewControlUserPaneIdleUPP(wxMacControlUserPaneIdleProc);
2046     if (gTPKeyProc == NULL) gTPKeyProc = NewControlUserPaneKeyDownUPP(wxMacControlUserPaneKeyDownProc);
2047     if (gTPActivateProc == NULL) gTPActivateProc = NewControlUserPaneActivateUPP(wxMacControlUserPaneActivateProc);
2048     if (gTPFocusProc == NULL) gTPFocusProc = NewControlUserPaneFocusUPP(wxMacControlUserPaneFocusProc);
2049
2050     if (gTXNScrollInfoProc == NULL ) gTXNScrollInfoProc = NewTXNScrollInfoUPP(TXNScrollInfoProc) ;
2051     if (gTXNScrollActionProc == NULL ) gTXNScrollActionProc = NewControlActionUPP(TXNScrollActionProc) ;
2052
2053     // set the initial settings for our private data
2054
2055     m_txnWindow = GetControlOwner(m_controlRef);
2056     m_txnPort = (GrafPtr) GetWindowPort(m_txnWindow);
2057
2058     // set up the user pane procedures
2059     SetControlData(m_controlRef, kControlEntireControl, kControlUserPaneDrawProcTag, sizeof(gTPDrawProc), &gTPDrawProc);
2060     SetControlData(m_controlRef, kControlEntireControl, kControlUserPaneHitTestProcTag, sizeof(gTPHitProc), &gTPHitProc);
2061     SetControlData(m_controlRef, kControlEntireControl, kControlUserPaneTrackingProcTag, sizeof(gTPTrackProc), &gTPTrackProc);
2062     SetControlData(m_controlRef, kControlEntireControl, kControlUserPaneIdleProcTag, sizeof(gTPIdleProc), &gTPIdleProc);
2063     SetControlData(m_controlRef, kControlEntireControl, kControlUserPaneKeyDownProcTag, sizeof(gTPKeyProc), &gTPKeyProc);
2064     SetControlData(m_controlRef, kControlEntireControl, kControlUserPaneActivateProcTag, sizeof(gTPActivateProc), &gTPActivateProc);
2065     SetControlData(m_controlRef, kControlEntireControl, kControlUserPaneFocusProcTag, sizeof(gTPFocusProc), &gTPFocusProc);
2066
2067     // calculate the rectangles used by the control
2068     GetRectInWindowCoords( &bounds );
2069
2070     m_txnControlBounds = bounds ;
2071     m_txnVisBounds = bounds ;
2072
2073     CGrafPtr origPort ;
2074     GDHandle origDev ;
2075
2076     GetGWorld( &origPort, &origDev ) ;
2077     SetPort( m_txnPort );
2078
2079     // create the new edit field
2080     TXNFrameOptions frameOptions = FrameOptionsFromWXStyle( m_windowStyle );
2081
2082     // the scrollbars are not correctly embedded but are inserted at the root:
2083     // this gives us problems as we have erratic redraws even over the structure area
2084
2085     m_sbHorizontal = 0 ;
2086     m_sbVertical = 0 ;
2087     m_lastHorizontalValue = 0 ;
2088     m_lastVerticalValue = 0 ;
2089
2090     Rect sb = { 0 , 0 , 0 , 0 } ;
2091     if ( frameOptions & kTXNWantVScrollBarMask )
2092     {
2093         CreateScrollBarControl( m_txnWindow, &sb, 0, 0, 100, 1, true, gTXNScrollActionProc, &m_sbVertical );
2094         SetControlReference( m_sbVertical, (SInt32)this );
2095         SetControlAction( m_sbVertical, gTXNScrollActionProc );
2096         ShowControl( m_sbVertical );
2097         EmbedControl( m_sbVertical , m_controlRef );
2098         frameOptions &= ~kTXNWantVScrollBarMask;
2099     }
2100
2101     if ( frameOptions & kTXNWantHScrollBarMask )
2102     {
2103         CreateScrollBarControl( m_txnWindow, &sb, 0, 0, 100, 1, true, gTXNScrollActionProc, &m_sbHorizontal );
2104         SetControlReference( m_sbHorizontal, (SInt32)this );
2105         SetControlAction( m_sbHorizontal, gTXNScrollActionProc );
2106         ShowControl( m_sbHorizontal );
2107         EmbedControl( m_sbHorizontal, m_controlRef );
2108         frameOptions &= ~(kTXNWantHScrollBarMask | kTXNDrawGrowIconMask);
2109     }
2110
2111     err = TXNNewObject(
2112         NULL, m_txnWindow, &bounds, frameOptions,
2113         kTXNTextEditStyleFrameType, kTXNTextensionFile, kTXNSystemDefaultEncoding,
2114         &m_txn, &m_txnFrameID, NULL );
2115     verify_noerr( err );
2116
2117 #if 0
2118     TXNControlTag iControlTags[] = { kTXNUseCarbonEvents };
2119     TXNControlData iControlData[] = { { (UInt32)&cInfo } };
2120     int toptag = WXSIZEOF( iControlTags ) ;
2121     TXNCarbonEventInfo cInfo ;
2122     cInfo.useCarbonEvents = false ;
2123     cInfo.filler = 0 ;
2124     cInfo.flags = 0 ;
2125     cInfo.fDictionary = NULL ;
2126
2127     verify_noerr( TXNSetTXNObjectControls( m_txn, false, toptag, iControlTags, iControlData ) );
2128 #endif
2129
2130     TXNRegisterScrollInfoProc( m_txn, gTXNScrollInfoProc, (SInt32)this );
2131
2132     SetGWorld( origPort , origDev ) ;
2133
2134     return err;
2135 }
2136 #endif
2137
2138 // ----------------------------------------------------------------------------
2139 // MLTE control implementation (OSX part)
2140 // ----------------------------------------------------------------------------
2141
2142 // tiger multi-line textcontrols with no CR in the entire content
2143 // don't scroll automatically, so we need a hack.
2144 // This attempt only works 'before' the key (ie before CallNextEventHandler)
2145 // is processed, thus the scrolling always occurs one character too late, but
2146 // better than nothing ...
2147
2148 static const EventTypeSpec eventList[] =
2149 {
2150     { kEventClassTextInput, kEventTextInputUnicodeForKeyEvent } ,
2151 } ;
2152
2153 static pascal OSStatus wxMacUnicodeTextEventHandler( EventHandlerCallRef handler , EventRef event , void *data )
2154 {
2155     OSStatus result = eventNotHandledErr ;
2156     wxMacMLTEHIViewControl* focus = (wxMacMLTEHIViewControl*) data ;
2157
2158     switch ( GetEventKind( event ) )
2159     {
2160         case kEventTextInputUnicodeForKeyEvent :
2161         {
2162             TXNOffset from , to ;
2163             TXNGetSelection( focus->GetTXNObject() , &from , &to ) ;
2164             if ( from == to )
2165                 TXNShowSelection( focus->GetTXNObject() , kTXNShowStart );
2166             result = CallNextEventHandler(handler,event);
2167             break;
2168         }
2169         default:
2170             break ;
2171     }
2172
2173     return result ;
2174 }
2175
2176 static pascal OSStatus wxMacTextControlEventHandler( EventHandlerCallRef handler , EventRef event , void *data )
2177 {
2178     OSStatus result = eventNotHandledErr ;
2179
2180     switch ( GetEventClass( event ) )
2181     {
2182         case kEventClassTextInput :
2183             result = wxMacUnicodeTextEventHandler( handler , event , data ) ;
2184             break ;
2185
2186         default :
2187             break ;
2188     }
2189     return result ;
2190 }
2191
2192 DEFINE_ONE_SHOT_HANDLER_GETTER( wxMacTextControlEventHandler )
2193
2194 wxMacMLTEHIViewControl::wxMacMLTEHIViewControl( wxTextCtrl *wxPeer,
2195     const wxString& str,
2196     const wxPoint& pos,
2197     const wxSize& size, long style ) : wxMacMLTEControl( wxPeer )
2198 {
2199     m_font = wxPeer->GetFont() ;
2200     m_windowStyle = style ;
2201     Rect bounds = wxMacGetBoundsForControl( wxPeer , pos , size ) ;
2202     wxString st = str ;
2203     wxMacConvertNewlines10To13( &st ) ;
2204
2205     HIRect hr = {
2206         { bounds.left , bounds.top },
2207         { bounds.right - bounds.left, bounds.bottom - bounds.top } } ;
2208
2209     m_scrollView = NULL ;
2210     TXNFrameOptions frameOptions = FrameOptionsFromWXStyle( style ) ;
2211     if (( frameOptions & (kTXNWantVScrollBarMask | kTXNWantHScrollBarMask)) || (frameOptions &kTXNSingleLineOnlyMask))
2212     {
2213         if ( frameOptions & (kTXNWantVScrollBarMask | kTXNWantHScrollBarMask) )
2214         {
2215             HIScrollViewCreate(
2216                 (frameOptions & kTXNWantHScrollBarMask ? kHIScrollViewOptionsHorizScroll : 0)
2217                 | (frameOptions & kTXNWantVScrollBarMask ? kHIScrollViewOptionsVertScroll : 0) ,
2218                 &m_scrollView ) ;
2219         }
2220         else
2221         {
2222             HIScrollViewCreate(kHIScrollViewOptionsVertScroll,&m_scrollView);
2223             HIScrollViewSetScrollBarAutoHide(m_scrollView,true);
2224         }
2225
2226         HIViewSetFrame( m_scrollView, &hr );
2227         HIViewSetVisible( m_scrollView, true );
2228     }
2229
2230     m_textView = NULL ;
2231     HITextViewCreate( NULL , 0, frameOptions , &m_textView ) ;
2232     m_txn = HITextViewGetTXNObject( m_textView ) ;
2233     HIViewSetVisible( m_textView , true ) ;
2234     if ( m_scrollView )
2235     {
2236         HIViewAddSubview( m_scrollView , m_textView ) ;
2237         m_controlRef = m_scrollView ;
2238         InstallEventHandler( (WXWidget) m_textView ) ;
2239     }
2240     else
2241     {
2242         HIViewSetFrame( m_textView, &hr );
2243         m_controlRef = m_textView ;
2244     }
2245
2246     AdjustCreationAttributes( *wxWHITE , true ) ;
2247 #ifndef __LP64__
2248     wxMacWindowClipper c( GetWXPeer() ) ;
2249 #endif
2250     SetTXNData( st , kTXNStartOffset, kTXNEndOffset ) ;
2251
2252     TXNSetSelection( m_txn, 0, 0 );
2253     TXNShowSelection( m_txn, kTXNShowStart );
2254
2255     ::InstallControlEventHandler( m_textView , GetwxMacTextControlEventHandlerUPP(),
2256                                 GetEventTypeCount(eventList), eventList, this,
2257                                 NULL);
2258 }
2259
2260 wxMacMLTEHIViewControl::~wxMacMLTEHIViewControl()
2261 {
2262 }
2263
2264 bool wxMacMLTEHIViewControl::SetFocus()
2265 {
2266     return SetKeyboardFocus( GetControlOwner( m_textView ), m_textView, kControlFocusNextPart ) == noErr ;
2267 }
2268
2269 bool wxMacMLTEHIViewControl::HasFocus() const
2270 {
2271     ControlRef control ;
2272     if ( GetUserFocusWindow() == NULL )
2273         return false;
2274
2275     GetKeyboardFocus( GetUserFocusWindow() , &control ) ;
2276     return control == m_textView ;
2277 }
2278
2279 void wxMacMLTEHIViewControl::SetBackgroundColour(const wxColour& col )
2280 {
2281     HITextViewSetBackgroundColor( m_textView, col.GetPixel() );
2282 }
2283
2284 #endif // wxUSE_TEXTCTRL