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 )
 474     : wxMacControl( wxPeer ),
 475       wxTextWidgetImpl( wxPeer )
 476 {
 477 }
 478
 479 wxMacUnicodeTextControl::wxMacUnicodeTextControl( wxTextCtrl *wxPeer,
 480     const wxString& str,
 481     const wxPoint& pos,
 482     const wxSize& size, long style )
 483     : wxMacControl( wxPeer ),
 484       wxTextWidgetImpl( wxPeer )
 485 {
 486     m_font = wxPeer->GetFont() ;
 487     m_windowStyle = style ;
 488     m_selection.selStart = m_selection.selEnd = 0;
 489     Rect bounds = wxMacGetBoundsForControl( wxPeer , pos , size ) ;
 490     wxString st = str ;
 491     wxMacConvertNewlines10To13( &st ) ;
 492     wxCFStringRef cf(st , m_font.GetEncoding()) ;
 493
 494     m_valueTag = kControlEditTextCFStringTag ;
 495     Boolean isPassword = ( m_windowStyle & wxTE_PASSWORD ) != 0 ;
 496     if ( isPassword )
 497     {
 498         m_valueTag = kControlEditTextPasswordCFStringTag ;
 499     }
 500     OSStatus err = CreateEditUnicodeTextControl(
 501         MAC_WXHWND(wxPeer->MacGetTopLevelWindowRef()), &bounds , cf ,
 502         isPassword , NULL , &m_controlRef ) ;
 503     verify_noerr( err );
 504
 505     if ( !(m_windowStyle & wxTE_MULTILINE) )
 506         SetData<Boolean>( kControlEditTextPart , kControlEditTextSingleLineTag , true ) ;
 507
 508     InstallEventHandlers();
 509 }
 510
 511 void wxMacUnicodeTextControl::InstallEventHandlers()
 512 {
 513     ::InstallControlEventHandler( m_controlRef , GetwxMacUnicodeTextControlEventHandlerUPP(),
 514                                 GetEventTypeCount(unicodeTextControlEventList), unicodeTextControlEventList, this,
 515                                 (EventHandlerRef*) &m_macTextCtrlEventHandler);
 516 }
 517
 518 wxMacUnicodeTextControl::~wxMacUnicodeTextControl()
 519 {
 520     ::RemoveEventHandler((EventHandlerRef) m_macTextCtrlEventHandler);
 521 }
 522
 523 void wxMacUnicodeTextControl::VisibilityChanged(bool shown)
 524 {
 525     if ( !(m_windowStyle & wxTE_MULTILINE) && shown )
 526     {
 527         // work around a refresh issue insofar as not always the entire content is shown,
 528         // even if this would be possible
 529         ControlEditTextSelectionRec sel ;
 530         CFStringRef value = NULL ;
 531
 532         verify_noerr( GetData<ControlEditTextSelectionRec>( 0, kControlEditTextSelectionTag, &sel ) );
 533         verify_noerr( GetData<CFStringRef>( 0, m_valueTag, &value ) );
 534         verify_noerr( SetData<CFStringRef>( 0, m_valueTag, &value ) );
 535         verify_noerr( SetData<ControlEditTextSelectionRec>( 0, kControlEditTextSelectionTag, &sel ) );
 536
 537         CFRelease( value ) ;
 538     }
 539 }
 540
 541 wxString wxMacUnicodeTextControl::GetStringValue() const
 542 {
 543     wxString result ;
 544     CFStringRef value = GetData<CFStringRef>(0, m_valueTag) ;
 545     if ( value )
 546     {
 547         wxCFStringRef cf(value) ;
 548         result = cf.AsString() ;
 549     }
 550
 551 #if '\n' == 10
 552     wxMacConvertNewlines13To10( &result ) ;
 553 #else
 554     wxMacConvertNewlines10To13( &result ) ;
 555 #endif
 556
 557     return result ;
 558 }
 559
 560 void wxMacUnicodeTextControl::SetStringValue( const wxString &str )
 561 {
 562     wxString st = str ;
 563     wxMacConvertNewlines10To13( &st ) ;
 564     wxCFStringRef cf( st , m_font.GetEncoding() ) ;
 565     verify_noerr( SetData<CFStringRef>( 0, m_valueTag , cf ) ) ;
 566 }
 567
 568 void wxMacUnicodeTextControl::Copy()
 569 {
 570     SendHICommand( kHICommandCopy ) ;
 571 }
 572
 573 void wxMacUnicodeTextControl::Cut()
 574 {
 575     SendHICommand( kHICommandCut ) ;
 576 }
 577
 578 void wxMacUnicodeTextControl::Paste()
 579 {
 580     SendHICommand( kHICommandPaste ) ;
 581 }
 582
 583 bool wxMacUnicodeTextControl::CanPaste() const
 584 {
 585     return true ;
 586 }
 587
 588 void wxMacUnicodeTextControl::SetEditable(bool WXUNUSED(editable))
 589 {
 590 #if 0 // leads to problem because text cannot be selected anymore
 591     SetData<Boolean>( kControlEditTextPart , kControlEditTextLockedTag , (Boolean) !editable ) ;
 592 #endif
 593 }
 594
 595 void wxMacUnicodeTextControl::GetSelection( long* from, long* to ) const
 596 {
 597     ControlEditTextSelectionRec sel ;
 598     if (HasFocus())
 599         verify_noerr( GetData<ControlEditTextSelectionRec>( 0, kControlEditTextSelectionTag, &sel ) ) ;
 600     else
 601         sel = m_selection ;
 602
 603     if ( from )
 604         *from = sel.selStart ;
 605     if ( to )
 606         *to = sel.selEnd ;
 607 }
 608
 609 void wxMacUnicodeTextControl::SetSelection( long from , long to )
 610 {
 611     ControlEditTextSelectionRec sel ;
 612     wxString result ;
 613     int textLength = 0 ;
 614     CFStringRef value = GetData<CFStringRef>(0, m_valueTag) ;
 615     if ( value )
 616     {
 617         wxCFStringRef cf(value) ;
 618         textLength = cf.AsString().length() ;
 619     }
 620
 621     if ((from == -1) && (to == -1))
 622     {
 623         from = 0 ;
 624         to = textLength ;
 625     }
 626     else
 627     {
 628         from = wxMin(textLength,wxMax(from,0)) ;
 629         if ( to == -1 )
 630             to = textLength;
 631         else
 632             to = wxMax(0,wxMin(textLength,to)) ;
 633     }
 634
 635     sel.selStart = from ;
 636     sel.selEnd = to ;
 637     if ( HasFocus() )
 638         SetData<ControlEditTextSelectionRec>( 0, kControlEditTextSelectionTag, &sel ) ;
 639     else
 640         m_selection = sel;
 641 }
 642
 643 void wxMacUnicodeTextControl::WriteText( const wxString& str )
 644 {
 645     // TODO: this MPRemoting will be moved into a remoting peer proxy for any command
 646     if ( !wxIsMainThread() )
 647     {
 648 #if wxOSX_USE_CARBON
 649         // unfortunately CW 8 is not able to correctly deduce the template types,
 650         // so we have to instantiate explicitly
 651         wxMacMPRemoteGUICall<wxTextCtrl,wxString>( (wxTextCtrl*) GetWXPeer() , &wxTextCtrl::WriteText , str ) ;
 652 #endif
 653         return ;
 654     }
 655
 656     wxString st = str ;
 657     wxMacConvertNewlines10To13( &st ) ;
 658
 659     if ( HasFocus() )
 660     {
 661         wxCFStringRef cf(st , m_font.GetEncoding() ) ;
 662         CFStringRef value = cf ;
 663         SetData<CFStringRef>( 0, kControlEditTextInsertCFStringRefTag, &value );
 664     }
 665     else
 666     {
 667         wxString val = GetStringValue() ;
 668         long start , end ;
 669         GetSelection( &start , &end ) ;
 670         val.Remove( start , end - start ) ;
 671         val.insert( start , str ) ;
 672         SetStringValue( val ) ;
 673         SetSelection( start + str.length() , start + str.length() ) ;
 674     }
 675 }
 676
 677 // ----------------------------------------------------------------------------
 678 // MLTE control implementation (common part)
 679 // ----------------------------------------------------------------------------
 680
 681 // if MTLE is read only, no changes at all are allowed, not even from
 682 // procedural API, in order to allow changes via API all the same we must undo
 683 // the readonly status while we are executing, this class helps to do so
 684
 685 class wxMacEditHelper
 686 {
 687 public :
 688     wxMacEditHelper( TXNObject txn )
 689     {
 690         TXNControlTag tag[] = { kTXNIOPrivilegesTag } ;
 691         m_txn = txn ;
 692         TXNGetTXNObjectControls( m_txn , 1 , tag , m_data ) ;
 693         if ( m_data[0].uValue == kTXNReadOnly )
 694         {
 695             TXNControlData data[] = { { kTXNReadWrite } } ;
 696             TXNSetTXNObjectControls( m_txn , false , 1 , tag , data ) ;
 697         }
 698     }
 699
 700     ~wxMacEditHelper()
 701     {
 702         TXNControlTag tag[] = { kTXNIOPrivilegesTag } ;
 703         if ( m_data[0].uValue == kTXNReadOnly )
 704             TXNSetTXNObjectControls( m_txn , false , 1 , tag , m_data ) ;
 705     }
 706
 707 protected :
 708     TXNObject m_txn ;
 709     TXNControlData m_data[1] ;
 710 } ;
 711
 712 wxMacMLTEControl::wxMacMLTEControl( wxTextCtrl *peer )
 713     : wxMacControl( peer ),
 714       wxTextWidgetImpl( peer )
 715 {
 716     SetNeedsFocusRect( true ) ;
 717 }
 718
 719 wxString wxMacMLTEControl::GetStringValue() const
 720 {
 721     wxString result ;
 722     OSStatus err ;
 723     Size actualSize = 0;
 724
 725     {
 726 #if wxUSE_UNICODE
 727         Handle theText ;
 728         err = TXNGetDataEncoded( m_txn, kTXNStartOffset, kTXNEndOffset, &theText, kTXNUnicodeTextData );
 729
 730         // all done
 731         if ( err != noErr )
 732         {
 733             actualSize = 0 ;
 734         }
 735         else
 736         {
 737             actualSize = GetHandleSize( theText ) / sizeof(UniChar) ;
 738             if ( actualSize > 0 )
 739             {
 740                 wxChar *ptr = NULL ;
 741
 742 #if SIZEOF_WCHAR_T == 2
 743                 ptr = new wxChar[actualSize + 1] ;
 744                 wxStrncpy( ptr , (wxChar*)(*theText) , actualSize ) ;
 745 #else
 746                 SetHandleSize( theText, (actualSize + 1) * sizeof(UniChar) ) ;
 747                 HLock( theText ) ;
 748                 (((UniChar*)*theText)[actualSize]) = 0 ;
 749                 wxMBConvUTF16 converter ;
 750                 size_t noChars = converter.MB2WC( NULL , (const char*)*theText , 0 ) ;
 751                 wxASSERT_MSG( noChars != wxCONV_FAILED, wxT("Unable to count the number of characters in this string!") );
 752                 ptr = new wxChar[noChars + 1] ;
 753
 754                 noChars = converter.MB2WC( ptr , (const char*)*theText , noChars + 1 ) ;
 755                 wxASSERT_MSG( noChars != wxCONV_FAILED, wxT("Conversion of string failed!") );
 756                 ptr[noChars] = 0 ;
 757                 HUnlock( theText ) ;
 758 #endif
 759
 760                 ptr[actualSize] = 0 ;
 761                 result = wxString( ptr ) ;
 762                 delete [] ptr ;
 763             }
 764
 765             DisposeHandle( theText ) ;
 766         }
 767 #else
 768         Handle theText ;
 769         err = TXNGetDataEncoded( m_txn , kTXNStartOffset, kTXNEndOffset, &theText, kTXNTextData );
 770
 771         // all done
 772         if ( err != noErr )
 773         {
 774             actualSize = 0 ;
 775         }
 776         else
 777         {
 778             actualSize = GetHandleSize( theText ) ;
 779             if ( actualSize > 0 )
 780             {
 781                 HLock( theText ) ;
 782                 result = wxString( *theText , wxConvLocal , actualSize ) ;
 783                 HUnlock( theText ) ;
 784             }
 785
 786             DisposeHandle( theText ) ;
 787         }
 788 #endif
 789     }
 790
 791 #if '\n' == 10
 792     wxMacConvertNewlines13To10( &result ) ;
 793 #else
 794     wxMacConvertNewlines10To13( &result ) ;
 795 #endif
 796
 797     return result ;
 798 }
 799
 800 void wxMacMLTEControl::SetStringValue( const wxString &str )
 801 {
 802     wxString st = str;
 803     wxMacConvertNewlines10To13( &st );
 804
 805     {
 806 #ifndef __LP64__
 807         wxMacWindowClipper c( GetWXPeer() ) ;
 808 #endif
 809
 810         {
 811             wxMacEditHelper help( m_txn );
 812             SetTXNData( st, kTXNStartOffset, kTXNEndOffset );
 813         }
 814
 815         TXNSetSelection( m_txn, 0, 0 );
 816         TXNShowSelection( m_txn, kTXNShowStart );
 817     }
 818 }
 819
 820 TXNFrameOptions wxMacMLTEControl::FrameOptionsFromWXStyle( long wxStyle )
 821 {
 822     TXNFrameOptions frameOptions = kTXNDontDrawCaretWhenInactiveMask;
 823
 824     frameOptions |= kTXNDoFontSubstitutionMask;
 825
 826     if ( ! (wxStyle & wxTE_NOHIDESEL) )
 827         frameOptions |= kTXNDontDrawSelectionWhenInactiveMask ;
 828
 829     if ( wxStyle & (wxHSCROLL | wxTE_DONTWRAP) )
 830         frameOptions |= kTXNWantHScrollBarMask ;
 831
 832     if ( wxStyle & wxTE_MULTILINE )
 833     {
 834         if ( ! (wxStyle & wxTE_DONTWRAP ) )
 835             frameOptions |= kTXNAlwaysWrapAtViewEdgeMask ;
 836
 837         if ( !(wxStyle & wxTE_NO_VSCROLL) )
 838         {
 839             frameOptions |= kTXNWantVScrollBarMask ;
 840
 841             // The following code causes drawing problems on 10.4. Perhaps it can be restored for
 842             // older versions of the OS, but I'm not sure it's appropriate to put a grow icon here
 843             // anyways, as AFAIK users can't actually use it to resize the text ctrl.
 844 //            if ( frameOptions & kTXNWantHScrollBarMask )
 845 //                frameOptions |= kTXNDrawGrowIconMask ;
 846         }
 847     }
 848     else
 849     {
 850         frameOptions |= kTXNSingleLineOnlyMask ;
 851     }
 852
 853     return frameOptions ;
 854 }
 855
 856 void wxMacMLTEControl::AdjustCreationAttributes(const wxColour &background,
 857                                                 bool WXUNUSED(visible))
 858 {
 859     TXNControlTag iControlTags[] =
 860         {
 861             kTXNDoFontSubstitution,
 862             kTXNWordWrapStateTag ,
 863         };
 864     TXNControlData iControlData[] =
 865         {
 866             { true },
 867             { kTXNNoAutoWrap },
 868         };
 869
 870     int toptag = WXSIZEOF( iControlTags ) ;
 871
 872     if ( m_windowStyle & wxTE_MULTILINE )
 873     {
 874         iControlData[1].uValue =
 875             (m_windowStyle & wxTE_DONTWRAP)
 876             ? kTXNNoAutoWrap
 877             : kTXNAutoWrap;
 878     }
 879
 880     OSStatus err = TXNSetTXNObjectControls( m_txn, false, toptag, iControlTags, iControlData ) ;
 881     verify_noerr( err );
 882
 883     // setting the default font:
 884     // under 10.2 this causes a visible caret, therefore we avoid it
 885
 886     Str255 fontName ;
 887     SInt16 fontSize ;
 888     Style fontStyle ;
 889
 890     GetThemeFont( kThemeSystemFont , GetApplicationScript() , fontName , &fontSize , &fontStyle ) ;
 891
 892     TXNTypeAttributes typeAttr[] =
 893     {
 894         { kTXNQDFontNameAttribute , kTXNQDFontNameAttributeSize , { (void*) fontName } } ,
 895         { kTXNQDFontSizeAttribute , kTXNFontSizeAttributeSize , { (void*) (fontSize << 16) } } ,
 896         { kTXNQDFontStyleAttribute , kTXNQDFontStyleAttributeSize , { (void*) normal } } ,
 897     } ;
 898
 899     err = TXNSetTypeAttributes(
 900         m_txn, WXSIZEOF(typeAttr),
 901         typeAttr, kTXNStartOffset, kTXNEndOffset );
 902     verify_noerr( err );
 903
 904     if ( m_windowStyle & wxTE_PASSWORD )
 905     {
 906         UniChar c = 0x00A5 ;
 907         err = TXNEchoMode( m_txn , c , 0 , true );
 908         verify_noerr( err );
 909     }
 910
 911     TXNBackground tback;
 912     tback.bgType = kTXNBackgroundTypeRGB;
 913     background.GetRGBColor( &tback.bg.color );
 914     TXNSetBackground( m_txn , &tback );
 915
 916
 917     TXNCommandEventSupportOptions options ;
 918     if ( TXNGetCommandEventSupport( m_txn, &options ) == noErr )
 919     {
 920         options |=
 921             kTXNSupportEditCommandProcessing
 922             | kTXNSupportEditCommandUpdating
 923             | kTXNSupportFontCommandProcessing
 924             | kTXNSupportFontCommandUpdating;
 925
 926         // only spell check when not read-only
 927         // use system options for the default
 928         bool checkSpelling = false ;
 929         if ( !(m_windowStyle & wxTE_READONLY) )
 930         {
 931 #if wxUSE_SYSTEM_OPTIONS
 932             if ( wxSystemOptions::HasOption( wxMAC_TEXTCONTROL_USE_SPELL_CHECKER ) && (wxSystemOptions::GetOptionInt( wxMAC_TEXTCONTROL_USE_SPELL_CHECKER ) == 1) )
 933             {
 934                 checkSpelling = true ;
 935             }
 936 #endif
 937         }
 938
 939         if ( checkSpelling )
 940             options |=
 941                 kTXNSupportSpellCheckCommandProcessing
 942                 | kTXNSupportSpellCheckCommandUpdating;
 943
 944         TXNSetCommandEventSupport( m_txn , options ) ;
 945     }
 946 }
 947
 948 void wxMacMLTEControl::SetBackgroundColour(const wxColour& col )
 949 {
 950     TXNBackground tback;
 951     tback.bgType = kTXNBackgroundTypeRGB;
 952     col.GetRGBColor(&tback.bg.color);
 953     TXNSetBackground( m_txn , &tback );
 954 }
 955
 956 static inline int wxConvertToTXN(int x)
 957 {
 958     return static_cast<int>(x / 254.0 * 72 + 0.5);
 959 }
 960
 961 void wxMacMLTEControl::TXNSetAttribute( const wxTextAttr& style , long from , long to )
 962 {
 963     TXNTypeAttributes typeAttr[4] ;
 964     RGBColor color ;
 965     size_t typeAttrCount = 0 ;
 966
 967     TXNMargins margins;
 968     TXNControlTag    controlTags[4];
 969     TXNControlData   controlData[4];
 970     size_t controlAttrCount = 0;
 971
 972     TXNTab* tabs = NULL;
 973
 974     bool relayout = false;
 975     wxFont font ;
 976
 977     if ( style.HasFont() )
 978     {
 979         wxASSERT( typeAttrCount < WXSIZEOF(typeAttr) );
 980         font = style.GetFont() ;
 981         typeAttr[typeAttrCount].tag = kTXNATSUIStyle ;
 982         typeAttr[typeAttrCount].size = kTXNATSUIStyleSize ;
 983         typeAttr[typeAttrCount].data.dataPtr = font.MacGetATSUStyle() ;
 984         typeAttrCount++ ;
 985     }
 986
 987     if ( style.HasTextColour() )
 988     {
 989         wxASSERT( typeAttrCount < WXSIZEOF(typeAttr) );
 990         style.GetTextColour().GetRGBColor( &color );
 991         typeAttr[typeAttrCount].tag = kTXNQDFontColorAttribute ;
 992         typeAttr[typeAttrCount].size = kTXNQDFontColorAttributeSize ;
 993         typeAttr[typeAttrCount].data.dataPtr = (void*) &color ;
 994         typeAttrCount++ ;
 995     }
 996
 997     if ( style.HasAlignment() )
 998     {
 999         wxASSERT( controlAttrCount < WXSIZEOF(controlTags) );
1000         SInt32 align;
1001
1002         switch ( style.GetAlignment() )
1003         {
1004             case wxTEXT_ALIGNMENT_LEFT:
1005                 align = kTXNFlushLeft;
1006                 break;
1007             case wxTEXT_ALIGNMENT_CENTRE:
1008                 align = kTXNCenter;
1009                 break;
1010             case wxTEXT_ALIGNMENT_RIGHT:
1011                 align = kTXNFlushRight;
1012                 break;
1013             case wxTEXT_ALIGNMENT_JUSTIFIED:
1014                 align = kTXNFullJust;
1015                 break;
1016             default :
1017             case wxTEXT_ALIGNMENT_DEFAULT:
1018                 align = kTXNFlushDefault;
1019                 break;
1020         }
1021
1022         controlTags[controlAttrCount] = kTXNJustificationTag ;
1023         controlData[controlAttrCount].sValue = align ;
1024         controlAttrCount++ ;
1025     }
1026
1027     if ( style.HasLeftIndent() || style.HasRightIndent() )
1028     {
1029         wxASSERT( controlAttrCount < WXSIZEOF(controlTags) );
1030         controlTags[controlAttrCount] = kTXNMarginsTag;
1031         controlData[controlAttrCount].marginsPtr = &margins;
1032         verify_noerr( TXNGetTXNObjectControls (m_txn, 1 ,
1033                                 &controlTags[controlAttrCount], &controlData[controlAttrCount]) );
1034         if ( style.HasLeftIndent() )
1035         {
1036             margins.leftMargin = wxConvertToTXN(style.GetLeftIndent());
1037         }
1038         if ( style.HasRightIndent() )
1039         {
1040             margins.rightMargin = wxConvertToTXN(style.GetRightIndent());
1041         }
1042         controlAttrCount++ ;
1043     }
1044
1045     if ( style.HasTabs() )
1046     {
1047         const wxArrayInt& tabarray = style.GetTabs();
1048         // unfortunately Mac only applies a tab distance, not individually different tabs
1049         controlTags[controlAttrCount] = kTXNTabSettingsTag;
1050         if ( tabarray.size() > 0 )
1051             controlData[controlAttrCount].tabValue.value = wxConvertToTXN(tabarray[0]);
1052         else
1053             controlData[controlAttrCount].tabValue.value = 72 ;
1054
1055         controlData[controlAttrCount].tabValue.tabType = kTXNLeftTab;
1056         controlAttrCount++ ;
1057     }
1058
1059     // unfortunately the relayout is not automatic
1060     if ( controlAttrCount > 0 )
1061     {
1062         verify_noerr( TXNSetTXNObjectControls (m_txn, false /* don't clear all */, controlAttrCount,
1063                                 controlTags, controlData) );
1064         relayout = true;
1065     }
1066
1067     if ( typeAttrCount > 0 )
1068     {
1069         verify_noerr( TXNSetTypeAttributes( m_txn , typeAttrCount, typeAttr, from , to ) );
1070         if (from != to)
1071             relayout = true;
1072     }
1073
1074     if ( tabs != NULL )
1075     {
1076         delete[] tabs;
1077     }
1078
1079     if ( relayout )
1080     {
1081         TXNRecalcTextLayout( m_txn );
1082     }
1083 }
1084
1085 void wxMacMLTEControl::SetFont(const wxFont & font,
1086                                const wxColour& foreground,
1087                                long WXUNUSED(windowStyle),
1088                                bool WXUNUSED(ignoreBlack))
1089 {
1090     wxMacEditHelper help( m_txn ) ;
1091     TXNSetAttribute( wxTextAttr( foreground, wxNullColour, font ), kTXNStartOffset, kTXNEndOffset ) ;
1092 }
1093
1094 void wxMacMLTEControl::SetStyle( long start, long end, const wxTextAttr& style )
1095 {
1096     wxMacEditHelper help( m_txn ) ;
1097     TXNSetAttribute( style, start, end ) ;
1098 }
1099
1100 void wxMacMLTEControl::Copy()
1101 {
1102     TXNCopy( m_txn );
1103 }
1104
1105 void wxMacMLTEControl::Cut()
1106 {
1107     TXNCut( m_txn );
1108 }
1109
1110 void wxMacMLTEControl::Paste()
1111 {
1112     TXNPaste( m_txn );
1113 }
1114
1115 bool wxMacMLTEControl::CanPaste() const
1116 {
1117     return TXNIsScrapPastable() ;
1118 }
1119
1120 void wxMacMLTEControl::SetEditable(bool editable)
1121 {
1122     TXNControlTag tag[] = { kTXNIOPrivilegesTag } ;
1123     TXNControlData data[] = { { editable ? kTXNReadWrite : kTXNReadOnly } } ;
1124     TXNSetTXNObjectControls( m_txn, false, WXSIZEOF(tag), tag, data ) ;
1125 }
1126
1127 long wxMacMLTEControl::GetLastPosition() const
1128 {
1129     wxTextPos actualsize = 0 ;
1130
1131     Handle theText ;
1132 #if wxUSE_UNICODE
1133     OSErr err = TXNGetDataEncoded( m_txn, kTXNStartOffset, kTXNEndOffset, &theText, kTXNUnicodeTextData );
1134     // all done
1135     if ( err == noErr )
1136     {
1137         actualsize = GetHandleSize( theText )/sizeof(UniChar);
1138         DisposeHandle( theText ) ;
1139     }
1140 #else
1141     OSErr err = TXNGetDataEncoded( m_txn, kTXNStartOffset, kTXNEndOffset, &theText, kTXNTextData );
1142
1143     // all done
1144     if ( err == noErr )
1145     {
1146         actualsize = GetHandleSize( theText ) ;
1147         DisposeHandle( theText ) ;
1148     }
1149 #endif
1150     else
1151     {
1152         actualsize = 0 ;
1153     }
1154
1155     return actualsize ;
1156 }
1157
1158 void wxMacMLTEControl::Replace( long from , long to , const wxString &str )
1159 {
1160     wxString value = str ;
1161     wxMacConvertNewlines10To13( &value ) ;
1162
1163     wxMacEditHelper help( m_txn ) ;
1164 #ifndef __LP64__
1165     wxMacWindowClipper c( GetWXPeer() ) ;
1166 #endif
1167
1168     TXNSetSelection( m_txn, from, to == -1 ? kTXNEndOffset : to ) ;
1169     TXNClear( m_txn ) ;
1170     SetTXNData( value, kTXNUseCurrentSelection, kTXNUseCurrentSelection ) ;
1171 }
1172
1173 void wxMacMLTEControl::Remove( long from , long to )
1174 {
1175 #ifndef __LP64__
1176     wxMacWindowClipper c( GetWXPeer() ) ;
1177 #endif
1178     wxMacEditHelper help( m_txn ) ;
1179     TXNSetSelection( m_txn , from , to ) ;
1180     TXNClear( m_txn ) ;
1181 }
1182
1183 void wxMacMLTEControl::GetSelection( long* from, long* to) const
1184 {
1185     TXNOffset f,t ;
1186     TXNGetSelection( m_txn , &f , &t ) ;
1187     *from = f;
1188     *to = t;
1189 }
1190
1191 void wxMacMLTEControl::SetSelection( long from , long to )
1192 {
1193 #ifndef __LP64__
1194     wxMacWindowClipper c( GetWXPeer() ) ;
1195 #endif
1196
1197     // change the selection
1198     if ((from == -1) && (to == -1))
1199         TXNSelectAll( m_txn );
1200     else
1201         TXNSetSelection( m_txn, from, to == -1 ? kTXNEndOffset : to );
1202
1203     TXNShowSelection( m_txn, kTXNShowStart );
1204 }
1205
1206 void wxMacMLTEControl::WriteText( const wxString& str )
1207 {
1208     // TODO: this MPRemoting will be moved into a remoting peer proxy for any command
1209     if ( !wxIsMainThread() )
1210     {
1211 #if wxOSX_USE_CARBON
1212         // unfortunately CW 8 is not able to correctly deduce the template types,
1213         // so we have to instantiate explicitly
1214         wxMacMPRemoteGUICall<wxTextCtrl,wxString>( (wxTextCtrl*) GetWXPeer() , &wxTextCtrl::WriteText , str ) ;
1215 #endif
1216         return ;
1217     }
1218
1219     wxString st = str ;
1220     wxMacConvertNewlines10To13( &st ) ;
1221
1222     long start , end , dummy ;
1223
1224     GetSelection( &start , &dummy ) ;
1225 #ifndef __LP64__
1226     wxMacWindowClipper c( GetWXPeer() ) ;
1227 #endif
1228
1229     {
1230         wxMacEditHelper helper( m_txn ) ;
1231         SetTXNData( st, kTXNUseCurrentSelection, kTXNUseCurrentSelection ) ;
1232     }
1233
1234     GetSelection( &dummy, &end ) ;
1235
1236     // TODO: SetStyle( start , end , GetDefaultStyle() ) ;
1237 }
1238
1239 void wxMacMLTEControl::Clear()
1240 {
1241 #ifndef __LP64__
1242     wxMacWindowClipper c( GetWXPeer() ) ;
1243 #endif
1244     wxMacEditHelper st( m_txn ) ;
1245     TXNSetSelection( m_txn , kTXNStartOffset , kTXNEndOffset ) ;
1246     TXNClear( m_txn ) ;
1247 }
1248
1249 bool wxMacMLTEControl::CanUndo() const
1250 {
1251     return TXNCanUndo( m_txn , NULL ) ;
1252 }
1253
1254 void wxMacMLTEControl::Undo()
1255 {
1256     TXNUndo( m_txn ) ;
1257 }
1258
1259 bool wxMacMLTEControl::CanRedo() const
1260 {
1261     return TXNCanRedo( m_txn , NULL ) ;
1262 }
1263
1264 void wxMacMLTEControl::Redo()
1265 {
1266     TXNRedo( m_txn ) ;
1267 }
1268
1269 int wxMacMLTEControl::GetNumberOfLines() const
1270 {
1271     ItemCount lines = 0 ;
1272     TXNGetLineCount( m_txn, &lines ) ;
1273
1274     return lines ;
1275 }
1276
1277 long wxMacMLTEControl::XYToPosition(long x, long y) const
1278 {
1279     Point curpt ;
1280     wxTextPos lastpos ;
1281
1282     // TODO: find a better implementation : while we can get the
1283     // line metrics of a certain line, we don't get its starting
1284     // position, so it would probably be rather a binary search
1285     // for the start position
1286     long xpos = 0, ypos = 0 ;
1287     int lastHeight = 0 ;
1288     ItemCount n ;
1289
1290     lastpos = GetLastPosition() ;
1291     for ( n = 0 ; n <= (ItemCount) lastpos ; ++n )
1292     {
1293         if ( y == ypos && x == xpos )
1294             return n ;
1295
1296         TXNOffsetToPoint( m_txn, n, &curpt ) ;
1297
1298         if ( curpt.v > lastHeight )
1299         {
1300             xpos = 0 ;
1301             if ( n > 0 )
1302                 ++ypos ;
1303
1304             lastHeight = curpt.v ;
1305         }
1306         else
1307             ++xpos ;
1308     }
1309
1310     return 0 ;
1311 }
1312
1313 bool wxMacMLTEControl::PositionToXY( long pos, long *x, long *y ) const
1314 {
1315     Point curpt ;
1316     wxTextPos lastpos ;
1317
1318     if ( y )
1319         *y = 0 ;
1320     if ( x )
1321         *x = 0 ;
1322
1323     lastpos = GetLastPosition() ;
1324     if ( pos <= lastpos )
1325     {
1326         // TODO: find a better implementation - while we can get the
1327         // line metrics of a certain line, we don't get its starting
1328         // position, so it would probably be rather a binary search
1329         // for the start position
1330         long xpos = 0, ypos = 0 ;
1331         int lastHeight = 0 ;
1332         ItemCount n ;
1333
1334         for ( n = 0 ; n <= (ItemCount) pos ; ++n )
1335         {
1336             TXNOffsetToPoint( m_txn, n, &curpt ) ;
1337
1338             if ( curpt.v > lastHeight )
1339             {
1340                 xpos = 0 ;
1341                 if ( n > 0 )
1342                     ++ypos ;
1343
1344                 lastHeight = curpt.v ;
1345             }
1346             else
1347                 ++xpos ;
1348         }
1349
1350         if ( y )
1351             *y = ypos ;
1352         if ( x )
1353             *x = xpos ;
1354     }
1355
1356     return false ;
1357 }
1358
1359 void wxMacMLTEControl::ShowPosition( long pos )
1360 {
1361     Point current, desired ;
1362     TXNOffset selstart, selend;
1363
1364     TXNGetSelection( m_txn, &selstart, &selend );
1365     TXNOffsetToPoint( m_txn, selstart, &current );
1366     TXNOffsetToPoint( m_txn, pos, &desired );
1367
1368     // TODO: use HIPoints for 10.3 and above
1369
1370     OSErr theErr = noErr;
1371     long dv = desired.v - current.v;
1372     long dh = desired.h - current.h;
1373     TXNShowSelection( m_txn, kTXNShowStart ) ; // NB: should this be kTXNShowStart or kTXNShowEnd ??
1374     theErr = TXNScroll( m_txn, kTXNScrollUnitsInPixels, kTXNScrollUnitsInPixels, &dv, &dh );
1375
1376     // there will be an error returned for classic MLTE implementation when the control is
1377     // invisible, but HITextView works correctly, so we don't assert that one
1378     // wxASSERT_MSG( theErr == noErr, wxT("TXNScroll returned an error!") );
1379 }
1380
1381 void wxMacMLTEControl::SetTXNData( const wxString& st, TXNOffset start, TXNOffset end )
1382 {
1383 #if wxUSE_UNICODE
1384 #if SIZEOF_WCHAR_T == 2
1385     size_t len = st.length() ;
1386     TXNSetData( m_txn, kTXNUnicodeTextData, (void*)st.wc_str(), len * 2, start, end );
1387 #else
1388     wxMBConvUTF16 converter ;
1389     ByteCount byteBufferLen = converter.WC2MB( NULL, st.wc_str(), 0 ) ;
1390     wxASSERT_MSG( byteBufferLen != wxCONV_FAILED,
1391                   wxT("Conversion to UTF-16 unexpectedly failed") );
1392     UniChar *unibuf = (UniChar*)malloc( byteBufferLen + 2 ) ; // 2 for NUL in UTF-16
1393     converter.WC2MB( (char*)unibuf, st.wc_str(), byteBufferLen + 2 ) ;
1394     TXNSetData( m_txn, kTXNUnicodeTextData, (void*)unibuf, byteBufferLen, start, end ) ;
1395     free( unibuf ) ;
1396 #endif
1397 #else
1398     wxCharBuffer text = st.mb_str( wxConvLocal ) ;
1399     TXNSetData( m_txn, kTXNTextData, (void*)text.data(), strlen( text ), start, end ) ;
1400 #endif
1401 }
1402
1403 wxString wxMacMLTEControl::GetLineText(long lineNo) const
1404 {
1405     wxString line ;
1406
1407     if ( lineNo < GetNumberOfLines() )
1408     {
1409         Point firstPoint;
1410         Fixed lineWidth, lineHeight, currentHeight;
1411         long ypos ;
1412
1413         // get the first possible position in the control
1414         TXNOffsetToPoint(m_txn, 0, &firstPoint);
1415
1416         // Iterate through the lines until we reach the one we want,
1417         // adding to our current y pixel point position
1418         ypos = 0 ;
1419         currentHeight = 0;
1420         while (ypos < lineNo)
1421         {
1422             TXNGetLineMetrics(m_txn, ypos++, &lineWidth, &lineHeight);
1423             currentHeight += lineHeight;
1424         }
1425
1426         Point thePoint = { firstPoint.v + (currentHeight >> 16), firstPoint.h + (0) };
1427         TXNOffset theOffset;
1428         TXNPointToOffset(m_txn, thePoint, &theOffset);
1429
1430         wxString content = GetStringValue() ;
1431         Point currentPoint = thePoint;
1432         while (thePoint.v == currentPoint.v && theOffset < content.length())
1433         {
1434             line += content[theOffset];
1435             TXNOffsetToPoint(m_txn, ++theOffset, &currentPoint);
1436         }
1437     }
1438
1439     return line ;
1440 }
1441
1442 int wxMacMLTEControl::GetLineLength(long lineNo) const
1443 {
1444     int theLength = 0;
1445
1446     if ( lineNo < GetNumberOfLines() )
1447     {
1448         Point firstPoint;
1449         Fixed lineWidth, lineHeight, currentHeight;
1450         long ypos;
1451
1452         // get the first possible position in the control
1453         TXNOffsetToPoint(m_txn, 0, &firstPoint);
1454
1455         // Iterate through the lines until we reach the one we want,
1456         // adding to our current y pixel point position
1457         ypos = 0;
1458         currentHeight = 0;
1459         while (ypos < lineNo)
1460         {
1461             TXNGetLineMetrics(m_txn, ypos++, &lineWidth, &lineHeight);
1462             currentHeight += lineHeight;
1463         }
1464
1465         Point thePoint = { firstPoint.v + (currentHeight >> 16), firstPoint.h + (0) };
1466         TXNOffset theOffset;
1467         TXNPointToOffset(m_txn, thePoint, &theOffset);
1468
1469         wxString content = GetStringValue() ;
1470         Point currentPoint = thePoint;
1471         while (thePoint.v == currentPoint.v && theOffset < content.length())
1472         {
1473             ++theLength;
1474             TXNOffsetToPoint(m_txn, ++theOffset, &currentPoint);
1475         }
1476     }
1477
1478     return theLength ;
1479 }
1480
1481 #if MAC_OS_X_VERSION_MIN_REQUIRED < MAC_OS_X_VERSION_10_5
1482
1483 // ----------------------------------------------------------------------------
1484 // MLTE control implementation (classic part)
1485 // ----------------------------------------------------------------------------
1486
1487 // OS X Notes : We still don't have a full replacement for MLTE, so this implementation
1488 // has to live on. We have different problems coming from outdated implementations on the
1489 // various OS X versions. Most deal with the scrollbars: they are not correctly embedded
1490 // while this can be solved on 10.3 by reassigning them the correct place, on 10.2 there is
1491 // no way out, therefore we are using our own implementation and our own scrollbars ....
1492
1493 TXNScrollInfoUPP gTXNScrollInfoProc = NULL ;
1494 ControlActionUPP gTXNScrollActionProc = NULL ;
1495
1496 pascal void wxMacMLTEClassicControl::TXNScrollInfoProc(
1497     SInt32 iValue, SInt32 iMaximumValue,
1498     TXNScrollBarOrientation iScrollBarOrientation, SInt32 iRefCon )
1499 {
1500     wxMacMLTEClassicControl* mlte = (wxMacMLTEClassicControl*) iRefCon ;
1501     SInt32 value =  wxMax( iValue , 0 ) ;
1502     SInt32 maximum = wxMax( iMaximumValue , 0 ) ;
1503
1504     if ( iScrollBarOrientation == kTXNHorizontal )
1505     {
1506         if ( mlte->m_sbHorizontal )
1507         {
1508             SetControl32BitValue( mlte->m_sbHorizontal , value ) ;
1509             SetControl32BitMaximum( mlte->m_sbHorizontal , maximum ) ;
1510             mlte->m_lastHorizontalValue = value ;
1511         }
1512     }
1513     else if ( iScrollBarOrientation == kTXNVertical )
1514     {
1515         if ( mlte->m_sbVertical )
1516         {
1517             SetControl32BitValue( mlte->m_sbVertical , value ) ;
1518             SetControl32BitMaximum( mlte->m_sbVertical , maximum ) ;
1519             mlte->m_lastVerticalValue = value ;
1520         }
1521     }
1522 }
1523
1524 pascal void wxMacMLTEClassicControl::TXNScrollActionProc( ControlRef controlRef , ControlPartCode partCode )
1525 {
1526     wxMacMLTEClassicControl* mlte = (wxMacMLTEClassicControl*) GetControlReference( controlRef ) ;
1527     if ( mlte == NULL )
1528         return ;
1529
1530     if ( controlRef != mlte->m_sbVertical && controlRef != mlte->m_sbHorizontal )
1531         return ;
1532
1533     OSStatus err ;
1534     bool isHorizontal = ( controlRef == mlte->m_sbHorizontal ) ;
1535
1536     SInt32 minimum = 0 ;
1537     SInt32 maximum = GetControl32BitMaximum( controlRef ) ;
1538     SInt32 value = GetControl32BitValue( controlRef ) ;
1539     SInt32 delta = 0;
1540
1541     switch ( partCode )
1542     {
1543         case kControlDownButtonPart :
1544             delta = 10 ;
1545             break ;
1546
1547         case kControlUpButtonPart :
1548             delta = -10 ;
1549             break ;
1550
1551         case kControlPageDownPart :
1552             delta = GetControlViewSize( controlRef ) ;
1553             break ;
1554
1555         case kControlPageUpPart :
1556             delta = -GetControlViewSize( controlRef ) ;
1557             break ;
1558
1559         case kControlIndicatorPart :
1560             delta = value - (isHorizontal ? mlte->m_lastHorizontalValue : mlte->m_lastVerticalValue) ;
1561             break ;
1562
1563         default :
1564             break ;
1565     }
1566
1567     if ( delta != 0 )
1568     {
1569         SInt32 newValue = value ;
1570
1571         if ( partCode != kControlIndicatorPart )
1572         {
1573             if ( value + delta < minimum )
1574                 delta = minimum - value ;
1575             if ( value + delta > maximum )
1576                 delta = maximum - value ;
1577
1578             SetControl32BitValue( controlRef , value + delta ) ;
1579             newValue = value + delta ;
1580         }
1581
1582         SInt32 verticalDelta = isHorizontal ? 0 : delta ;
1583         SInt32 horizontalDelta = isHorizontal ? delta : 0 ;
1584
1585         err = TXNScroll(
1586             mlte->m_txn, kTXNScrollUnitsInPixels, kTXNScrollUnitsInPixels,
1587             &verticalDelta, &horizontalDelta );
1588         verify_noerr( err );
1589
1590         if ( isHorizontal )
1591             mlte->m_lastHorizontalValue = newValue ;
1592         else
1593             mlte->m_lastVerticalValue = newValue ;
1594     }
1595 }
1596
1597 // make correct activations
1598 void wxMacMLTEClassicControl::MacActivatePaneText(bool setActive)
1599 {
1600     wxTextCtrl* textctrl = (wxTextCtrl*) GetControlReference(m_controlRef);
1601
1602     wxMacWindowClipper clipper( textctrl ) ;
1603     TXNActivate( m_txn, m_txnFrameID, setActive );
1604
1605     ControlRef controlFocus = 0 ;
1606     GetKeyboardFocus( m_txnWindow , &controlFocus ) ;
1607     if ( controlFocus == m_controlRef )
1608         TXNFocus( m_txn, setActive );
1609 }
1610
1611 void wxMacMLTEClassicControl::MacFocusPaneText(bool setFocus)
1612 {
1613     TXNFocus( m_txn, setFocus );
1614 }
1615
1616 // guards against inappropriate redraw (hidden objects drawing onto window)
1617
1618 void wxMacMLTEClassicControl::MacSetObjectVisibility(bool vis)
1619 {
1620     ControlRef controlFocus = 0 ;
1621     GetKeyboardFocus( m_txnWindow , &controlFocus ) ;
1622
1623     if ( !vis && (controlFocus == m_controlRef ) )
1624         SetKeyboardFocus( m_txnWindow , m_controlRef , kControlFocusNoPart ) ;
1625
1626     TXNControlTag iControlTags[1] = { kTXNVisibilityTag };
1627     TXNControlData iControlData[1] = { { (UInt32)false } };
1628
1629     verify_noerr( TXNGetTXNObjectControls( m_txn , 1, iControlTags, iControlData ) ) ;
1630
1631     if ( iControlData[0].uValue != vis )
1632     {
1633         iControlData[0].uValue = vis ;
1634         verify_noerr( TXNSetTXNObjectControls( m_txn, false , 1, iControlTags, iControlData ) ) ;
1635     }
1636
1637     // currently, we always clip as partial visibility (overlapped) visibility is also a problem,
1638     // if we run into further problems we might set the FrameBounds to an empty rect here
1639 }
1640
1641 // make sure that the TXNObject is at the right position
1642
1643 void wxMacMLTEClassicControl::MacUpdatePosition()
1644 {
1645     wxTextCtrl* textctrl = (wxTextCtrl*)GetControlReference( m_controlRef );
1646     if ( textctrl == NULL )
1647         return ;
1648
1649     Rect bounds ;
1650     GetRectInWindowCoords( &bounds );
1651
1652     wxRect visRect = textctrl->MacGetClippedClientRect() ;
1653     Rect visBounds = { visRect.y , visRect.x , visRect.y + visRect.height , visRect.x + visRect.width } ;
1654     int x , y ;
1655     x = y = 0 ;
1656     textctrl->MacWindowToRootWindow( &x , &y ) ;
1657     OffsetRect( &visBounds , x , y ) ;
1658
1659     if ( !EqualRect( &bounds, &m_txnControlBounds ) || !EqualRect( &visBounds, &m_txnVisBounds ) )
1660     {
1661         m_txnControlBounds = bounds ;
1662         m_txnVisBounds = visBounds ;
1663         wxMacWindowClipper cl( textctrl ) ;
1664
1665         if ( m_sbHorizontal || m_sbVertical )
1666         {
1667             int w = bounds.right - bounds.left ;
1668             int h = bounds.bottom - bounds.top ;
1669
1670             if ( m_sbHorizontal )
1671             {
1672                 Rect sbBounds ;
1673
1674                 sbBounds.left = -1 ;
1675                 sbBounds.top = h - 14 ;
1676                 sbBounds.right = w + 1 ;
1677                 sbBounds.bottom = h + 1 ;
1678
1679                 SetControlBounds( m_sbHorizontal , &sbBounds ) ;
1680                 SetControlViewSize( m_sbHorizontal , w ) ;
1681             }
1682
1683             if ( m_sbVertical )
1684             {
1685                 Rect sbBounds ;
1686
1687                 sbBounds.left = w - 14 ;
1688                 sbBounds.top = -1 ;
1689                 sbBounds.right = w + 1 ;
1690                 sbBounds.bottom = m_sbHorizontal ? h - 14 : h + 1 ;
1691
1692                 SetControlBounds( m_sbVertical , &sbBounds ) ;
1693                 SetControlViewSize( m_sbVertical , h ) ;
1694             }
1695         }
1696
1697         Rect oldviewRect ;
1698         TXNLongRect olddestRect ;
1699         TXNGetRectBounds( m_txn , &oldviewRect , &olddestRect , NULL ) ;
1700
1701         Rect viewRect = { m_txnControlBounds.top, m_txnControlBounds.left,
1702             m_txnControlBounds.bottom - ( m_sbHorizontal ? 14 : 0 ) ,
1703             m_txnControlBounds.right - ( m_sbVertical ? 14 : 0 ) } ;
1704         TXNLongRect destRect = { m_txnControlBounds.top, m_txnControlBounds.left,
1705             m_txnControlBounds.bottom - ( m_sbHorizontal ? 14 : 0 ) ,
1706             m_txnControlBounds.right - ( m_sbVertical ? 14 : 0 ) } ;
1707
1708         if ( olddestRect.right >= 10000 )
1709             destRect.right = destRect.left + 32000 ;
1710
1711         if ( olddestRect.bottom >= 0x20000000 )
1712             destRect.bottom = destRect.top + 0x40000000 ;
1713
1714         SectRect( &viewRect , &visBounds , &viewRect ) ;
1715         TXNSetRectBounds( m_txn , &viewRect , &destRect , true ) ;
1716
1717 #if 0
1718         TXNSetFrameBounds(
1719             m_txn,
1720             m_txnControlBounds.top,
1721             m_txnControlBounds.left,
1722             m_txnControlBounds.bottom - (m_sbHorizontal ? 14 : 0),
1723             m_txnControlBounds.right - (m_sbVertical ? 14 : 0),
1724             m_txnFrameID );
1725 #endif
1726
1727         // the SetFrameBounds method under Classic sometimes does not correctly scroll a selection into sight after a
1728         // movement, therefore we have to force it
1729
1730         // this problem has been reported in OSX as well, so we use this here once again
1731
1732         TXNLongRect textRect ;
1733         TXNGetRectBounds( m_txn , NULL , NULL , &textRect ) ;
1734         if ( textRect.left < m_txnControlBounds.left )
1735             TXNShowSelection( m_txn , kTXNShowStart ) ;
1736     }
1737 }
1738
1739 void wxMacMLTEClassicControl::Move(int x, int y, int width, int height)
1740 {
1741     wxMacControl::Move(x,y,width,height) ;
1742     MacUpdatePosition() ;
1743 }
1744
1745 void wxMacMLTEClassicControl::MacControlUserPaneDrawProc(wxInt16 WXUNUSED(thePart))
1746 {
1747     wxTextCtrl* textctrl = (wxTextCtrl*)GetControlReference( m_controlRef );
1748     if ( textctrl == NULL )
1749         return ;
1750
1751     if ( textctrl->IsShownOnScreen() )
1752     {
1753         wxMacWindowClipper clipper( textctrl ) ;
1754         TXNDraw( m_txn , NULL ) ;
1755     }
1756 }
1757
1758 wxInt16 wxMacMLTEClassicControl::MacControlUserPaneHitTestProc(wxInt16 x, wxInt16 y)
1759 {
1760     Point where = { y , x } ;
1761     ControlPartCode result = kControlNoPart;
1762
1763     wxTextCtrl* textctrl = (wxTextCtrl*) GetControlReference( m_controlRef );
1764     if ( (textctrl != NULL) && textctrl->IsShownOnScreen() )
1765     {
1766         if (PtInRect( where, &m_txnControlBounds ))
1767         {
1768             result = kControlEditTextPart ;
1769         }
1770         else
1771         {
1772             // sometimes we get the coords also in control local coordinates, therefore test again
1773             int x = 0 , y = 0 ;
1774             textctrl->MacClientToRootWindow( &x , &y ) ;
1775             where.h += x ;
1776             where.v += y ;
1777
1778             if (PtInRect( where, &m_txnControlBounds ))
1779                 result = kControlEditTextPart ;
1780         }
1781     }
1782
1783     return result;
1784 }
1785
1786 wxInt16 wxMacMLTEClassicControl::MacControlUserPaneTrackingProc( wxInt16 x, wxInt16 y, void* WXUNUSED(actionProc) )
1787 {
1788     ControlPartCode result = kControlNoPart;
1789
1790     wxTextCtrl* textctrl = (wxTextCtrl*) GetControlReference( m_controlRef );
1791     if ( (textctrl != NULL) && textctrl->IsShownOnScreen() )
1792     {
1793         Point startPt = { y , x } ;
1794
1795         // for compositing, we must convert these into toplevel window coordinates, because hittesting expects them
1796         int x = 0 , y = 0 ;
1797         textctrl->MacClientToRootWindow( &x , &y ) ;
1798         startPt.h += x ;
1799         startPt.v += y ;
1800
1801         switch (MacControlUserPaneHitTestProc( startPt.h , startPt.v ))
1802         {
1803             case kControlEditTextPart :
1804             {
1805                 wxMacWindowClipper clipper( textctrl ) ;
1806                 EventRecord rec ;
1807
1808                 ConvertEventRefToEventRecord( (EventRef) wxTheApp->MacGetCurrentEvent() , &rec ) ;
1809                 TXNClick( m_txn, &rec );
1810             }
1811                 break;
1812
1813             default :
1814                 break;
1815         }
1816     }
1817
1818     return result;
1819 }
1820
1821 void wxMacMLTEClassicControl::MacControlUserPaneIdleProc()
1822 {
1823     wxTextCtrl* textctrl = (wxTextCtrl*)GetControlReference( m_controlRef );
1824     if ( textctrl == NULL )
1825         return ;
1826
1827     if (textctrl->IsShownOnScreen())
1828     {
1829         if (IsControlActive(m_controlRef))
1830         {
1831             Point mousep;
1832
1833             wxMacWindowClipper clipper( textctrl ) ;
1834             GetMouse(&mousep);
1835
1836             TXNIdle(m_txn);
1837
1838             if (PtInRect(mousep, &m_txnControlBounds))
1839             {
1840                 RgnHandle theRgn = NewRgn();
1841                 RectRgn(theRgn, &m_txnControlBounds);
1842                 TXNAdjustCursor(m_txn, theRgn);
1843                 DisposeRgn(theRgn);
1844             }
1845         }
1846     }
1847 }
1848
1849 wxInt16 wxMacMLTEClassicControl::MacControlUserPaneKeyDownProc (wxInt16 keyCode, wxInt16 charCode, wxInt16 modifiers)
1850 {
1851     wxTextCtrl* textctrl = (wxTextCtrl*)GetControlReference( m_controlRef );
1852     if ( textctrl == NULL )
1853         return kControlNoPart;
1854
1855     wxMacWindowClipper clipper( textctrl ) ;
1856
1857     EventRecord ev ;
1858     memset( &ev , 0 , sizeof( ev ) ) ;
1859     ev.what = keyDown ;
1860     ev.modifiers = modifiers ;
1861     ev.message = ((keyCode << 8) & keyCodeMask) | (charCode & charCodeMask);
1862     TXNKeyDown( m_txn , &ev );
1863
1864     return kControlEntireControl;
1865 }
1866
1867 void wxMacMLTEClassicControl::MacControlUserPaneActivateProc(bool activating)
1868 {
1869     MacActivatePaneText( activating );
1870 }
1871
1872 wxInt16 wxMacMLTEClassicControl::MacControlUserPaneFocusProc(wxInt16 action)
1873 {
1874     ControlPartCode focusResult = kControlFocusNoPart;
1875
1876     wxTextCtrl* textctrl = (wxTextCtrl*)GetControlReference( m_controlRef );
1877     if ( textctrl == NULL )
1878         return focusResult;
1879
1880     wxMacWindowClipper clipper( textctrl ) ;
1881
1882     ControlRef controlFocus = NULL ;
1883     GetKeyboardFocus( m_txnWindow , &controlFocus ) ;
1884     bool wasFocused = ( controlFocus == m_controlRef ) ;
1885
1886     switch (action)
1887     {
1888         case kControlFocusPrevPart:
1889         case kControlFocusNextPart:
1890             MacFocusPaneText( !wasFocused );
1891             focusResult = (!wasFocused ? (ControlPartCode) kControlEditTextPart : (ControlPartCode) kControlFocusNoPart);
1892             break;
1893
1894         case kControlFocusNoPart:
1895         default:
1896             MacFocusPaneText( false );
1897             focusResult = kControlFocusNoPart;
1898             break;
1899     }
1900
1901     return focusResult;
1902 }
1903
1904 void wxMacMLTEClassicControl::MacControlUserPaneBackgroundProc( void *WXUNUSED(info) )
1905 {
1906 }
1907
1908 wxMacMLTEClassicControl::wxMacMLTEClassicControl( wxTextCtrl *wxPeer,
1909     const wxString& str,
1910     const wxPoint& pos,
1911     const wxSize& size, long style )
1912     : wxMacMLTEControl( wxPeer )
1913 {
1914     m_font = wxPeer->GetFont() ;
1915     m_windowStyle = style ;
1916     Rect bounds = wxMacGetBoundsForControl( wxPeer , pos , size ) ;
1917
1918     short featureSet =
1919         kControlSupportsEmbedding | kControlSupportsFocus | kControlWantsIdle
1920         | kControlWantsActivate  | kControlHandlesTracking
1921 //    | kControlHasSpecialBackground
1922         | kControlGetsFocusOnClick | kControlSupportsLiveFeedback;
1923
1924    OSStatus err = ::CreateUserPaneControl(
1925         MAC_WXHWND(wxPeer->GetParent()->MacGetTopLevelWindowRef()),
1926         &bounds, featureSet, &m_controlRef );
1927     verify_noerr( err );
1928     SetControlReference( m_controlRef , (URefCon) wxPeer );
1929
1930     DoCreate();
1931
1932     AdjustCreationAttributes( *wxWHITE , true ) ;
1933
1934     MacSetObjectVisibility( wxPeer->IsShownOnScreen() ) ;
1935
1936     {
1937         wxString st = str ;
1938         wxMacConvertNewlines10To13( &st ) ;
1939         wxMacWindowClipper clipper( GetWXPeer() ) ;
1940         SetTXNData( st , kTXNStartOffset, kTXNEndOffset ) ;
1941         TXNSetSelection( m_txn, 0, 0 ) ;
1942     }
1943 }
1944
1945 wxMacMLTEClassicControl::~wxMacMLTEClassicControl()
1946 {
1947     TXNDeleteObject( m_txn );
1948     m_txn = NULL ;
1949 }
1950
1951 void wxMacMLTEClassicControl::VisibilityChanged(bool shown)
1952 {
1953     MacSetObjectVisibility( shown ) ;
1954     wxMacControl::VisibilityChanged( shown ) ;
1955 }
1956
1957 void wxMacMLTEClassicControl::SuperChangedPosition()
1958 {
1959     MacUpdatePosition() ;
1960     wxMacControl::SuperChangedPosition() ;
1961 }
1962
1963 ControlUserPaneDrawUPP gTPDrawProc = NULL;
1964 ControlUserPaneHitTestUPP gTPHitProc = NULL;
1965 ControlUserPaneTrackingUPP gTPTrackProc = NULL;
1966 ControlUserPaneIdleUPP gTPIdleProc = NULL;
1967 ControlUserPaneKeyDownUPP gTPKeyProc = NULL;
1968 ControlUserPaneActivateUPP gTPActivateProc = NULL;
1969 ControlUserPaneFocusUPP gTPFocusProc = NULL;
1970
1971 static pascal void wxMacControlUserPaneDrawProc(ControlRef control, SInt16 part)
1972 {
1973     wxTextCtrl *textCtrl =  wxDynamicCast( wxFindWindowFromWXWidget( (WXWidget) control) , wxTextCtrl ) ;
1974     wxMacMLTEClassicControl * win = textCtrl ? (wxMacMLTEClassicControl*)(textCtrl->GetPeer()) : NULL ;
1975     if ( win )
1976         win->MacControlUserPaneDrawProc( part ) ;
1977 }
1978
1979 static pascal ControlPartCode wxMacControlUserPaneHitTestProc(ControlRef control, Point where)
1980 {
1981     wxTextCtrl *textCtrl =  wxDynamicCast( wxFindWindowFromWXWidget( (WXWidget) control) , wxTextCtrl ) ;
1982     wxMacMLTEClassicControl * win = textCtrl ? (wxMacMLTEClassicControl*)(textCtrl->GetPeer()) : NULL ;
1983     if ( win )
1984         return win->MacControlUserPaneHitTestProc( where.h , where.v ) ;
1985     else
1986         return kControlNoPart ;
1987 }
1988
1989 static pascal ControlPartCode wxMacControlUserPaneTrackingProc(ControlRef control, Point startPt, ControlActionUPP actionProc)
1990 {
1991     wxTextCtrl *textCtrl =  wxDynamicCast( wxFindWindowFromWXWidget( (WXWidget) control) , wxTextCtrl ) ;
1992     wxMacMLTEClassicControl * win = textCtrl ? (wxMacMLTEClassicControl*)(textCtrl->GetPeer()) : NULL ;
1993     if ( win )
1994         return win->MacControlUserPaneTrackingProc( startPt.h , startPt.v , (void*) actionProc ) ;
1995     else
1996         return kControlNoPart ;
1997 }
1998
1999 static pascal void wxMacControlUserPaneIdleProc(ControlRef control)
2000 {
2001     wxTextCtrl *textCtrl =  wxDynamicCast( wxFindWindowFromWXWidget((WXWidget) control) , wxTextCtrl ) ;
2002     wxMacMLTEClassicControl * win = textCtrl ? (wxMacMLTEClassicControl*)(textCtrl->GetPeer()) : NULL ;
2003     if ( win )
2004         win->MacControlUserPaneIdleProc() ;
2005 }
2006
2007 static pascal ControlPartCode wxMacControlUserPaneKeyDownProc(ControlRef control, SInt16 keyCode, SInt16 charCode, SInt16 modifiers)
2008 {
2009     wxTextCtrl *textCtrl =  wxDynamicCast( wxFindWindowFromWXWidget((WXWidget) control) , wxTextCtrl ) ;
2010     wxMacMLTEClassicControl * win = textCtrl ? (wxMacMLTEClassicControl*)(textCtrl->GetPeer()) : NULL ;
2011     if ( win )
2012         return win->MacControlUserPaneKeyDownProc( keyCode, charCode, modifiers ) ;
2013     else
2014         return kControlNoPart ;
2015 }
2016
2017 static pascal void wxMacControlUserPaneActivateProc(ControlRef control, Boolean activating)
2018 {
2019     wxTextCtrl *textCtrl =  wxDynamicCast( wxFindWindowFromWXWidget( (WXWidget)control) , wxTextCtrl ) ;
2020     wxMacMLTEClassicControl * win = textCtrl ? (wxMacMLTEClassicControl*)(textCtrl->GetPeer()) : NULL ;
2021     if ( win )
2022         win->MacControlUserPaneActivateProc( activating ) ;
2023 }
2024
2025 static pascal ControlPartCode wxMacControlUserPaneFocusProc(ControlRef control, ControlFocusPart action)
2026 {
2027     wxTextCtrl *textCtrl =  wxDynamicCast( wxFindWindowFromWXWidget((WXWidget) control) , wxTextCtrl ) ;
2028     wxMacMLTEClassicControl * win = textCtrl ? (wxMacMLTEClassicControl*)(textCtrl->GetPeer()) : NULL ;
2029     if ( win )
2030         return win->MacControlUserPaneFocusProc( action ) ;
2031     else
2032         return kControlNoPart ;
2033 }
2034
2035 #if 0
2036 static pascal void wxMacControlUserPaneBackgroundProc(ControlRef control, ControlBackgroundPtr info)
2037 {
2038     wxTextCtrl *textCtrl =  wxDynamicCast( wxFindWindowFromWXWidget(control) , wxTextCtrl ) ;
2039     wxMacMLTEClassicControl * win = textCtrl ? (wxMacMLTEClassicControl*)(textCtrl->GetPeer()) : NULL ;
2040     if ( win )
2041         win->MacControlUserPaneBackgroundProc(info) ;
2042 }
2043 #endif
2044
2045 // TXNRegisterScrollInfoProc
2046
2047 OSStatus wxMacMLTEClassicControl::DoCreate()
2048 {
2049     Rect bounds;
2050     OSStatus err = noErr ;
2051
2052     // set up our globals
2053     if (gTPDrawProc == NULL) gTPDrawProc = NewControlUserPaneDrawUPP(wxMacControlUserPaneDrawProc);
2054     if (gTPHitProc == NULL) gTPHitProc = NewControlUserPaneHitTestUPP(wxMacControlUserPaneHitTestProc);
2055     if (gTPTrackProc == NULL) gTPTrackProc = NewControlUserPaneTrackingUPP(wxMacControlUserPaneTrackingProc);
2056     if (gTPIdleProc == NULL) gTPIdleProc = NewControlUserPaneIdleUPP(wxMacControlUserPaneIdleProc);
2057     if (gTPKeyProc == NULL) gTPKeyProc = NewControlUserPaneKeyDownUPP(wxMacControlUserPaneKeyDownProc);
2058     if (gTPActivateProc == NULL) gTPActivateProc = NewControlUserPaneActivateUPP(wxMacControlUserPaneActivateProc);
2059     if (gTPFocusProc == NULL) gTPFocusProc = NewControlUserPaneFocusUPP(wxMacControlUserPaneFocusProc);
2060
2061     if (gTXNScrollInfoProc == NULL ) gTXNScrollInfoProc = NewTXNScrollInfoUPP(TXNScrollInfoProc) ;
2062     if (gTXNScrollActionProc == NULL ) gTXNScrollActionProc = NewControlActionUPP(TXNScrollActionProc) ;
2063
2064     // set the initial settings for our private data
2065
2066     m_txnWindow = GetControlOwner(m_controlRef);
2067     m_txnPort = (GrafPtr) GetWindowPort(m_txnWindow);
2068
2069     // set up the user pane procedures
2070     SetControlData(m_controlRef, kControlEntireControl, kControlUserPaneDrawProcTag, sizeof(gTPDrawProc), &gTPDrawProc);
2071     SetControlData(m_controlRef, kControlEntireControl, kControlUserPaneHitTestProcTag, sizeof(gTPHitProc), &gTPHitProc);
2072     SetControlData(m_controlRef, kControlEntireControl, kControlUserPaneTrackingProcTag, sizeof(gTPTrackProc), &gTPTrackProc);
2073     SetControlData(m_controlRef, kControlEntireControl, kControlUserPaneIdleProcTag, sizeof(gTPIdleProc), &gTPIdleProc);
2074     SetControlData(m_controlRef, kControlEntireControl, kControlUserPaneKeyDownProcTag, sizeof(gTPKeyProc), &gTPKeyProc);
2075     SetControlData(m_controlRef, kControlEntireControl, kControlUserPaneActivateProcTag, sizeof(gTPActivateProc), &gTPActivateProc);
2076     SetControlData(m_controlRef, kControlEntireControl, kControlUserPaneFocusProcTag, sizeof(gTPFocusProc), &gTPFocusProc);
2077
2078     // calculate the rectangles used by the control
2079     GetRectInWindowCoords( &bounds );
2080
2081     m_txnControlBounds = bounds ;
2082     m_txnVisBounds = bounds ;
2083
2084     CGrafPtr origPort ;
2085     GDHandle origDev ;
2086
2087     GetGWorld( &origPort, &origDev ) ;
2088     SetPort( m_txnPort );
2089
2090     // create the new edit field
2091     TXNFrameOptions frameOptions = FrameOptionsFromWXStyle( m_windowStyle );
2092
2093     // the scrollbars are not correctly embedded but are inserted at the root:
2094     // this gives us problems as we have erratic redraws even over the structure area
2095
2096     m_sbHorizontal = 0 ;
2097     m_sbVertical = 0 ;
2098     m_lastHorizontalValue = 0 ;
2099     m_lastVerticalValue = 0 ;
2100
2101     Rect sb = { 0 , 0 , 0 , 0 } ;
2102     if ( frameOptions & kTXNWantVScrollBarMask )
2103     {
2104         CreateScrollBarControl( m_txnWindow, &sb, 0, 0, 100, 1, true, gTXNScrollActionProc, &m_sbVertical );
2105         SetControlReference( m_sbVertical, (SInt32)this );
2106         SetControlAction( m_sbVertical, gTXNScrollActionProc );
2107         ShowControl( m_sbVertical );
2108         EmbedControl( m_sbVertical , m_controlRef );
2109         frameOptions &= ~kTXNWantVScrollBarMask;
2110     }
2111
2112     if ( frameOptions & kTXNWantHScrollBarMask )
2113     {
2114         CreateScrollBarControl( m_txnWindow, &sb, 0, 0, 100, 1, true, gTXNScrollActionProc, &m_sbHorizontal );
2115         SetControlReference( m_sbHorizontal, (SInt32)this );
2116         SetControlAction( m_sbHorizontal, gTXNScrollActionProc );
2117         ShowControl( m_sbHorizontal );
2118         EmbedControl( m_sbHorizontal, m_controlRef );
2119         frameOptions &= ~(kTXNWantHScrollBarMask | kTXNDrawGrowIconMask);
2120     }
2121
2122     err = TXNNewObject(
2123         NULL, m_txnWindow, &bounds, frameOptions,
2124         kTXNTextEditStyleFrameType, kTXNTextensionFile, kTXNSystemDefaultEncoding,
2125         &m_txn, &m_txnFrameID, NULL );
2126     verify_noerr( err );
2127
2128 #if 0
2129     TXNControlTag iControlTags[] = { kTXNUseCarbonEvents };
2130     TXNControlData iControlData[] = { { (UInt32)&cInfo } };
2131     int toptag = WXSIZEOF( iControlTags ) ;
2132     TXNCarbonEventInfo cInfo ;
2133     cInfo.useCarbonEvents = false ;
2134     cInfo.filler = 0 ;
2135     cInfo.flags = 0 ;
2136     cInfo.fDictionary = NULL ;
2137
2138     verify_noerr( TXNSetTXNObjectControls( m_txn, false, toptag, iControlTags, iControlData ) );
2139 #endif
2140
2141     TXNRegisterScrollInfoProc( m_txn, gTXNScrollInfoProc, (SInt32)this );
2142
2143     SetGWorld( origPort , origDev ) ;
2144
2145     return err;
2146 }
2147 #endif
2148
2149 // ----------------------------------------------------------------------------
2150 // MLTE control implementation (OSX part)
2151 // ----------------------------------------------------------------------------
2152
2153 // tiger multi-line textcontrols with no CR in the entire content
2154 // don't scroll automatically, so we need a hack.
2155 // This attempt only works 'before' the key (ie before CallNextEventHandler)
2156 // is processed, thus the scrolling always occurs one character too late, but
2157 // better than nothing ...
2158
2159 static const EventTypeSpec eventList[] =
2160 {
2161     { kEventClassTextInput, kEventTextInputUnicodeForKeyEvent } ,
2162 } ;
2163
2164 static pascal OSStatus wxMacUnicodeTextEventHandler( EventHandlerCallRef handler , EventRef event , void *data )
2165 {
2166     OSStatus result = eventNotHandledErr ;
2167     wxMacMLTEHIViewControl* focus = (wxMacMLTEHIViewControl*) data ;
2168
2169     switch ( GetEventKind( event ) )
2170     {
2171         case kEventTextInputUnicodeForKeyEvent :
2172         {
2173             TXNOffset from , to ;
2174             TXNGetSelection( focus->GetTXNObject() , &from , &to ) ;
2175             if ( from == to )
2176                 TXNShowSelection( focus->GetTXNObject() , kTXNShowStart );
2177             result = CallNextEventHandler(handler,event);
2178             break;
2179         }
2180         default:
2181             break ;
2182     }
2183
2184     return result ;
2185 }
2186
2187 static pascal OSStatus wxMacTextControlEventHandler( EventHandlerCallRef handler , EventRef event , void *data )
2188 {
2189     OSStatus result = eventNotHandledErr ;
2190
2191     switch ( GetEventClass( event ) )
2192     {
2193         case kEventClassTextInput :
2194             result = wxMacUnicodeTextEventHandler( handler , event , data ) ;
2195             break ;
2196
2197         default :
2198             break ;
2199     }
2200     return result ;
2201 }
2202
2203 DEFINE_ONE_SHOT_HANDLER_GETTER( wxMacTextControlEventHandler )
2204
2205 wxMacMLTEHIViewControl::wxMacMLTEHIViewControl( wxTextCtrl *wxPeer,
2206     const wxString& str,
2207     const wxPoint& pos,
2208     const wxSize& size, long style ) : wxMacMLTEControl( wxPeer )
2209 {
2210     m_font = wxPeer->GetFont() ;
2211     m_windowStyle = style ;
2212     Rect bounds = wxMacGetBoundsForControl( wxPeer , pos , size ) ;
2213     wxString st = str ;
2214     wxMacConvertNewlines10To13( &st ) ;
2215
2216     HIRect hr = {
2217         { bounds.left , bounds.top },
2218         { bounds.right - bounds.left, bounds.bottom - bounds.top } } ;
2219
2220     m_scrollView = NULL ;
2221     TXNFrameOptions frameOptions = FrameOptionsFromWXStyle( style ) ;
2222     if (( frameOptions & (kTXNWantVScrollBarMask | kTXNWantHScrollBarMask)) || (frameOptions &kTXNSingleLineOnlyMask))
2223     {
2224         if ( frameOptions & (kTXNWantVScrollBarMask | kTXNWantHScrollBarMask) )
2225         {
2226             HIScrollViewCreate(
2227                 (frameOptions & kTXNWantHScrollBarMask ? kHIScrollViewOptionsHorizScroll : 0)
2228                 | (frameOptions & kTXNWantVScrollBarMask ? kHIScrollViewOptionsVertScroll : 0) ,
2229                 &m_scrollView ) ;
2230         }
2231         else
2232         {
2233             HIScrollViewCreate(kHIScrollViewOptionsVertScroll,&m_scrollView);
2234             HIScrollViewSetScrollBarAutoHide(m_scrollView,true);
2235         }
2236
2237         HIViewSetFrame( m_scrollView, &hr );
2238         HIViewSetVisible( m_scrollView, true );
2239     }
2240
2241     m_textView = NULL ;
2242     HITextViewCreate( NULL , 0, frameOptions , &m_textView ) ;
2243     m_txn = HITextViewGetTXNObject( m_textView ) ;
2244     HIViewSetVisible( m_textView , true ) ;
2245     if ( m_scrollView )
2246     {
2247         HIViewAddSubview( m_scrollView , m_textView ) ;
2248         m_controlRef = m_scrollView ;
2249         InstallEventHandler( (WXWidget) m_textView ) ;
2250     }
2251     else
2252     {
2253         HIViewSetFrame( m_textView, &hr );
2254         m_controlRef = m_textView ;
2255     }
2256
2257     AdjustCreationAttributes( *wxWHITE , true ) ;
2258 #ifndef __LP64__
2259     wxMacWindowClipper c( GetWXPeer() ) ;
2260 #endif
2261     SetTXNData( st , kTXNStartOffset, kTXNEndOffset ) ;
2262
2263     TXNSetSelection( m_txn, 0, 0 );
2264     TXNShowSelection( m_txn, kTXNShowStart );
2265
2266     ::InstallControlEventHandler( m_textView , GetwxMacTextControlEventHandlerUPP(),
2267                                 GetEventTypeCount(eventList), eventList, this,
2268                                 NULL);
2269 }
2270
2271 wxMacMLTEHIViewControl::~wxMacMLTEHIViewControl()
2272 {
2273 }
2274
2275 bool wxMacMLTEHIViewControl::SetFocus()
2276 {
2277     return SetKeyboardFocus( GetControlOwner( m_textView ), m_textView, kControlFocusNextPart ) == noErr ;
2278 }
2279
2280 bool wxMacMLTEHIViewControl::HasFocus() const
2281 {
2282     ControlRef control ;
2283     if ( GetUserFocusWindow() == NULL )
2284         return false;
2285
2286     GetKeyboardFocus( GetUserFocusWindow() , &control ) ;
2287     return control == m_textView ;
2288 }
2289
2290 void wxMacMLTEHIViewControl::SetBackgroundColour(const wxColour& col )
2291 {
2292     HITextViewSetBackgroundColor( m_textView, col.GetPixel() );
2293 }
2294
2295 #endif // wxUSE_TEXTCTRL