src/mac/carbon/textctrl.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/mac/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
  48 #include "wx/mac/uma.h"
  49 #include "wx/mac/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
 145 // common parts for implementations based on MLTE
 146
 147 class wxMacMLTEControl : public wxMacTextControl
 148 {
 149 public :
 150     wxMacMLTEControl( wxTextCtrl *peer ) ;
 151
 152     virtual wxString GetStringValue() const ;
 153     virtual void SetStringValue( const wxString &str ) ;
 154
 155     static TXNFrameOptions FrameOptionsFromWXStyle( long wxStyle ) ;
 156
 157     void AdjustCreationAttributes( const wxColour& background, bool visible ) ;
 158
 159     virtual void SetFont( const wxFont & font, const wxColour& foreground, long windowStyle ) ;
 160     virtual void SetBackground( const wxBrush &brush ) ;
 161     virtual void SetStyle( long start, long end, const wxTextAttr& style ) ;
 162     virtual void Copy() ;
 163     virtual void Cut() ;
 164     virtual void Paste() ;
 165     virtual bool CanPaste() const ;
 166     virtual void SetEditable( bool editable ) ;
 167     virtual wxTextPos GetLastPosition() const ;
 168     virtual void Replace( long from, long to, const wxString &str ) ;
 169     virtual void Remove( long from, long to ) ;
 170     virtual void GetSelection( long* from, long* to ) const ;
 171     virtual void SetSelection( long from, long to ) ;
 172
 173     virtual void WriteText( const wxString& str ) ;
 174
 175     virtual bool HasOwnContextMenu() const
 176     {
 177         TXNCommandEventSupportOptions options ;
 178         TXNGetCommandEventSupport( m_txn , & options ) ;
 179         return options & kTXNSupportEditCommandProcessing ;
 180     }
 181
 182     virtual void CheckSpelling(bool check)
 183     {
 184         TXNSetSpellCheckAsYouType( m_txn, (Boolean) check );
 185     }
 186     virtual void Clear() ;
 187
 188     virtual bool CanUndo() const ;
 189     virtual void Undo() ;
 190     virtual bool CanRedo()  const;
 191     virtual void Redo() ;
 192     virtual int GetNumberOfLines() const ;
 193     virtual long XYToPosition(long x, long y) const ;
 194     virtual bool PositionToXY(long pos, long *x, long *y) const ;
 195     virtual void ShowPosition( long pos ) ;
 196     virtual int GetLineLength(long lineNo) const ;
 197     virtual wxString GetLineText(long lineNo) const ;
 198
 199     void SetTXNData( const wxString& st , TXNOffset start , TXNOffset end ) ;
 200     TXNObject GetTXNObject() { return m_txn ; }
 201
 202 protected :
 203     void TXNSetAttribute( const wxTextAttr& style , long from , long to ) ;
 204
 205     TXNObject m_txn ;
 206 } ;
 207
 208 // implementation available under OSX
 209
 210 class wxMacMLTEHIViewControl : public wxMacMLTEControl
 211 {
 212 public :
 213     wxMacMLTEHIViewControl( wxTextCtrl *wxPeer,
 214                              const wxString& str,
 215                              const wxPoint& pos,
 216                              const wxSize& size, long style ) ;
 217     virtual ~wxMacMLTEHIViewControl() ;
 218
 219     virtual OSStatus SetFocus( ControlFocusPart focusPart ) ;
 220     virtual bool HasFocus() const ;
 221     virtual void SetBackground( const wxBrush &brush) ;
 222
 223 protected :
 224     HIViewRef m_scrollView ;
 225     HIViewRef m_textView ;
 226 };
 227
 228 // 'classic' MLTE implementation
 229
 230 class wxMacMLTEClassicControl : public wxMacMLTEControl
 231 {
 232 public :
 233     wxMacMLTEClassicControl( wxTextCtrl *wxPeer,
 234                              const wxString& str,
 235                              const wxPoint& pos,
 236                              const wxSize& size, long style ) ;
 237     virtual ~wxMacMLTEClassicControl() ;
 238
 239     virtual void VisibilityChanged(bool shown) ;
 240     virtual void SuperChangedPosition() ;
 241
 242     virtual void            MacControlUserPaneDrawProc(wxInt16 part) ;
 243     virtual wxInt16         MacControlUserPaneHitTestProc(wxInt16 x, wxInt16 y) ;
 244     virtual wxInt16         MacControlUserPaneTrackingProc(wxInt16 x, wxInt16 y, void* actionProc) ;
 245     virtual void            MacControlUserPaneIdleProc() ;
 246     virtual wxInt16         MacControlUserPaneKeyDownProc(wxInt16 keyCode, wxInt16 charCode, wxInt16 modifiers) ;
 247     virtual void            MacControlUserPaneActivateProc(bool activating) ;
 248     virtual wxInt16         MacControlUserPaneFocusProc(wxInt16 action) ;
 249     virtual void            MacControlUserPaneBackgroundProc(void* info) ;
 250
 251     virtual bool SetupCursor( const wxPoint& WXUNUSED(pt) )
 252     {
 253         MacControlUserPaneIdleProc();
 254         return true;
 255     }
 256
 257     virtual void            SetRect( Rect *r ) ;
 258
 259 protected :
 260     OSStatus                 DoCreate();
 261
 262     void                    MacUpdatePosition() ;
 263     void                    MacActivatePaneText(bool setActive) ;
 264     void                    MacFocusPaneText(bool setFocus) ;
 265     void                    MacSetObjectVisibility(bool vis) ;
 266
 267 private :
 268     TXNFrameID              m_txnFrameID ;
 269     GrafPtr                 m_txnPort ;
 270     WindowRef               m_txnWindow ;
 271     // bounds of the control as we last did set the txn frames
 272     Rect                    m_txnControlBounds ;
 273     Rect                    m_txnVisBounds ;
 274
 275     static pascal void TXNScrollActionProc( ControlRef controlRef , ControlPartCode partCode ) ;
 276     static pascal void TXNScrollInfoProc(
 277         SInt32 iValue, SInt32 iMaximumValue,
 278         TXNScrollBarOrientation iScrollBarOrientation, SInt32 iRefCon ) ;
 279
 280     ControlRef              m_sbHorizontal ;
 281     SInt32                  m_lastHorizontalValue ;
 282     ControlRef              m_sbVertical ;
 283     SInt32                  m_lastVerticalValue ;
 284 };
 285
 286
 287 IMPLEMENT_DYNAMIC_CLASS(wxTextCtrl, wxTextCtrlBase)
 288
 289 BEGIN_EVENT_TABLE(wxTextCtrl, wxTextCtrlBase)
 290     EVT_ERASE_BACKGROUND( wxTextCtrl::OnEraseBackground )
 291     EVT_DROP_FILES(wxTextCtrl::OnDropFiles)
 292     EVT_CHAR(wxTextCtrl::OnChar)
 293     EVT_MENU(wxID_CUT, wxTextCtrl::OnCut)
 294     EVT_MENU(wxID_COPY, wxTextCtrl::OnCopy)
 295     EVT_MENU(wxID_PASTE, wxTextCtrl::OnPaste)
 296     EVT_MENU(wxID_UNDO, wxTextCtrl::OnUndo)
 297     EVT_MENU(wxID_REDO, wxTextCtrl::OnRedo)
 298     EVT_MENU(wxID_CLEAR, wxTextCtrl::OnDelete)
 299     EVT_MENU(wxID_SELECTALL, wxTextCtrl::OnSelectAll)
 300
 301     EVT_CONTEXT_MENU(wxTextCtrl::OnContextMenu)
 302
 303     EVT_UPDATE_UI(wxID_CUT, wxTextCtrl::OnUpdateCut)
 304     EVT_UPDATE_UI(wxID_COPY, wxTextCtrl::OnUpdateCopy)
 305     EVT_UPDATE_UI(wxID_PASTE, wxTextCtrl::OnUpdatePaste)
 306     EVT_UPDATE_UI(wxID_UNDO, wxTextCtrl::OnUpdateUndo)
 307     EVT_UPDATE_UI(wxID_REDO, wxTextCtrl::OnUpdateRedo)
 308     EVT_UPDATE_UI(wxID_CLEAR, wxTextCtrl::OnUpdateDelete)
 309     EVT_UPDATE_UI(wxID_SELECTALL, wxTextCtrl::OnUpdateSelectAll)
 310 END_EVENT_TABLE()
 311
 312
 313 void wxTextCtrl::Init()
 314 {
 315     m_editable = true ;
 316     m_dirty = false;
 317
 318     m_maxLength = 0;
 319     m_privateContextMenu = NULL;
 320     m_triggerOnSetValue = true ;
 321 }
 322
 323 wxTextCtrl::~wxTextCtrl()
 324 {
 325     delete m_privateContextMenu;
 326 }
 327
 328 bool wxTextCtrl::Create( wxWindow *parent,
 329     wxWindowID id,
 330     const wxString& str,
 331     const wxPoint& pos,
 332     const wxSize& size,
 333     long style,
 334     const wxValidator& validator,
 335     const wxString& name )
 336 {
 337     m_macIsUserPane = false ;
 338     m_editable = true ;
 339
 340     if ( ! (style & wxNO_BORDER) )
 341         style = (style & ~wxBORDER_MASK) | wxSUNKEN_BORDER ;
 342
 343     if ( !wxTextCtrlBase::Create( parent, id, pos, size, style & ~(wxHSCROLL | wxVSCROLL), validator, name ) )
 344         return false;
 345
 346     if ( m_windowStyle & wxTE_MULTILINE )
 347     {
 348         // always turn on this style for multi-line controls
 349         m_windowStyle |= wxTE_PROCESS_ENTER;
 350         style |= wxTE_PROCESS_ENTER ;
 351     }
 352
 353     CreatePeer( str, pos, size, style );
 354
 355     MacPostControlCreate(pos, size) ;
 356
 357     // only now the embedding is correct and we can do a positioning update
 358
 359     MacSuperChangedPosition() ;
 360
 361     if ( m_windowStyle & wxTE_READONLY)
 362         SetEditable( false ) ;
 363
 364     SetCursor( wxCursor( wxCURSOR_IBEAM ) ) ;
 365
 366     return true;
 367 }
 368
 369 void wxTextCtrl::CreatePeer(
 370            const wxString& str,
 371            const wxPoint& pos,
 372            const wxSize& size, long style )
 373 {
 374     bool forceMLTE = false ;
 375
 376 #if wxUSE_SYSTEM_OPTIONS
 377     if (wxSystemOptions::HasOption( wxMAC_TEXTCONTROL_USE_MLTE ) && (wxSystemOptions::GetOptionInt( wxMAC_TEXTCONTROL_USE_MLTE ) == 1))
 378     {
 379         forceMLTE = true ;
 380     }
 381 #endif
 382
 383     if ( UMAGetSystemVersion() >= 0x1050 )
 384         forceMLTE = false;
 385
 386     if ( !forceMLTE )
 387     {
 388         if ( m_windowStyle & wxTE_MULTILINE )
 389             m_peer = new wxMacMLTEHIViewControl( this , str , pos , size , style ) ;
 390     }
 391
 392     if ( !m_peer )
 393     {
 394         if ( !(m_windowStyle & wxTE_MULTILINE) && !forceMLTE )
 395         {
 396             m_peer = new wxMacUnicodeTextControl( this , 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 ( !m_peer )
 404         m_peer = new wxMacMLTEClassicControl( this , str , pos , size , style ) ;
 405 #endif
 406 }
 407
 408 void wxTextCtrl::MacSuperChangedPosition()
 409 {
 410     wxWindow::MacSuperChangedPosition() ;
 411     GetPeer()->SuperChangedPosition() ;
 412 }
 413
 414 void wxTextCtrl::MacVisibilityChanged()
 415 {
 416     GetPeer()->VisibilityChanged( MacIsReallyShown() ) ;
 417 }
 418
 419 void wxTextCtrl::MacEnabledStateChanged()
 420 {
 421 }
 422
 423 void wxTextCtrl::MacCheckSpelling(bool check)
 424 {
 425     GetPeer()->CheckSpelling(check);
 426 }
 427
 428 wxString wxTextCtrl::GetValue() const
 429 {
 430     return GetPeer()->GetStringValue() ;
 431 }
 432
 433 void wxTextCtrl::GetSelection(long* from, long* to) const
 434 {
 435     GetPeer()->GetSelection( from , to ) ;
 436 }
 437
 438 void wxTextCtrl::DoSetValue(const wxString& str, int flags)
 439 {
 440     // optimize redraws
 441     if ( GetValue() == str )
 442         return;
 443
 444     GetPeer()->SetStringValue( str ) ;
 445
 446     if ( (flags & SetValue_SendEvent) && m_triggerOnSetValue )
 447     {
 448         SendTextUpdatedEvent();
 449     }
 450 }
 451
 452 void wxTextCtrl::SetMaxLength(unsigned long len)
 453 {
 454     m_maxLength = len ;
 455 }
 456
 457 bool wxTextCtrl::SetFont( const wxFont& font )
 458 {
 459     if ( !wxTextCtrlBase::SetFont( font ) )
 460         return false ;
 461
 462     GetPeer()->SetFont( font , GetForegroundColour() , GetWindowStyle() ) ;
 463
 464     return true ;
 465 }
 466
 467 bool wxTextCtrl::SetStyle(long start, long end, const wxTextAttr& style)
 468 {
 469     GetPeer()->SetStyle( start , end , style ) ;
 470
 471     return true ;
 472 }
 473
 474 bool wxTextCtrl::SetDefaultStyle(const wxTextAttr& style)
 475 {
 476     wxTextCtrlBase::SetDefaultStyle( style ) ;
 477     SetStyle( kTXNUseCurrentSelection , kTXNUseCurrentSelection , GetDefaultStyle() ) ;
 478
 479     return true ;
 480 }
 481
 482 // Clipboard operations
 483
 484 void wxTextCtrl::Copy()
 485 {
 486     if (CanCopy())
 487         GetPeer()->Copy() ;
 488 }
 489
 490 void wxTextCtrl::Cut()
 491 {
 492     if (CanCut())
 493     {
 494         GetPeer()->Cut() ;
 495
 496         wxCommandEvent event( wxEVT_COMMAND_TEXT_UPDATED, m_windowId );
 497         event.SetEventObject( this );
 498         GetEventHandler()->ProcessEvent( event );
 499       }
 500 }
 501
 502 void wxTextCtrl::Paste()
 503 {
 504     if (CanPaste())
 505     {
 506         GetPeer()->Paste() ;
 507
 508         // TODO: eventually we should add setting the default style again
 509
 510         wxCommandEvent event( wxEVT_COMMAND_TEXT_UPDATED, m_windowId );
 511         event.SetEventObject( this );
 512         GetEventHandler()->ProcessEvent( event );
 513     }
 514 }
 515
 516 bool wxTextCtrl::CanCopy() const
 517 {
 518     // Can copy if there's a selection
 519     long from, to;
 520     GetSelection( &from, &to );
 521
 522     return (from != to);
 523 }
 524
 525 bool wxTextCtrl::CanCut() const
 526 {
 527     if ( !IsEditable() )
 528         return false;
 529
 530     // Can cut if there's a selection
 531     long from, to;
 532     GetSelection( &from, &to );
 533
 534     return (from != to);
 535 }
 536
 537 bool wxTextCtrl::CanPaste() const
 538 {
 539     if (!IsEditable())
 540         return false;
 541
 542     return GetPeer()->CanPaste() ;
 543 }
 544
 545 void wxTextCtrl::SetEditable(bool editable)
 546 {
 547     if ( editable != m_editable )
 548     {
 549         m_editable = editable ;
 550         GetPeer()->SetEditable( editable ) ;
 551     }
 552 }
 553
 554 void wxTextCtrl::SetInsertionPoint(long pos)
 555 {
 556     SetSelection( pos , pos ) ;
 557 }
 558
 559 void wxTextCtrl::SetInsertionPointEnd()
 560 {
 561     wxTextPos pos = GetLastPosition();
 562     SetInsertionPoint( pos );
 563 }
 564
 565 long wxTextCtrl::GetInsertionPoint() const
 566 {
 567     long begin, end ;
 568     GetSelection( &begin , &end ) ;
 569
 570     return begin ;
 571 }
 572
 573 wxTextPos wxTextCtrl::GetLastPosition() const
 574 {
 575     return GetPeer()->GetLastPosition() ;
 576 }
 577
 578 void wxTextCtrl::Replace(long from, long to, const wxString& str)
 579 {
 580     GetPeer()->Replace( from , to , str ) ;
 581 }
 582
 583 void wxTextCtrl::Remove(long from, long to)
 584 {
 585     GetPeer()->Remove( from , to ) ;
 586 }
 587
 588 void wxTextCtrl::SetSelection(long from, long to)
 589 {
 590     GetPeer()->SetSelection( from , to ) ;
 591 }
 592
 593 void wxTextCtrl::WriteText(const wxString& str)
 594 {
 595     // TODO: this MPRemoting will be moved into a remoting peer proxy for any command
 596     if ( !wxIsMainThread() )
 597     {
 598         // unfortunately CW 8 is not able to correctly deduce the template types,
 599         // so we have to instantiate explicitly
 600         wxMacMPRemoteGUICall<wxTextCtrl,wxString>( this , &wxTextCtrl::WriteText , str ) ;
 601
 602         return ;
 603     }
 604
 605     GetPeer()->WriteText( str ) ;
 606 }
 607
 608 void wxTextCtrl::AppendText(const wxString& text)
 609 {
 610     SetInsertionPointEnd();
 611     WriteText( text );
 612 }
 613
 614 void wxTextCtrl::Clear()
 615 {
 616     GetPeer()->Clear() ;
 617 }
 618
 619 bool wxTextCtrl::IsModified() const
 620 {
 621     return m_dirty;
 622 }
 623
 624 bool wxTextCtrl::IsEditable() const
 625 {
 626     return IsEnabled() && m_editable ;
 627 }
 628
 629 bool wxTextCtrl::AcceptsFocus() const
 630 {
 631     // we don't want focus if we can't be edited
 632     return /*IsEditable() && */ wxControl::AcceptsFocus();
 633 }
 634
 635 wxSize wxTextCtrl::DoGetBestSize() const
 636 {
 637     int wText, hText;
 638
 639     // these are the numbers from the HIG:
 640     // we reduce them by the borders first
 641     wText = 100 ;
 642
 643     switch ( m_windowVariant )
 644     {
 645         case wxWINDOW_VARIANT_NORMAL :
 646             hText = 22 - 6 ;
 647             break ;
 648
 649         case wxWINDOW_VARIANT_SMALL :
 650             hText = 19 - 6 ;
 651             break ;
 652
 653         case wxWINDOW_VARIANT_MINI :
 654             hText = 15 - 6 ;
 655             break ;
 656
 657         default :
 658             hText = 22 - 6;
 659             break ;
 660     }
 661
 662     // as the above numbers have some free space around the text
 663     // we get 5 lines like this anyway
 664     if ( m_windowStyle & wxTE_MULTILINE )
 665          hText *= 5 ;
 666
 667     if ( !HasFlag(wxNO_BORDER) )
 668         hText += 6 ;
 669
 670     return wxSize(wText, hText);
 671 }
 672
 673 // ----------------------------------------------------------------------------
 674 // Undo/redo
 675 // ----------------------------------------------------------------------------
 676
 677 void wxTextCtrl::Undo()
 678 {
 679     if (CanUndo())
 680         GetPeer()->Undo() ;
 681 }
 682
 683 void wxTextCtrl::Redo()
 684 {
 685     if (CanRedo())
 686         GetPeer()->Redo() ;
 687 }
 688
 689 bool wxTextCtrl::CanUndo() const
 690 {
 691     if ( !IsEditable() )
 692         return false ;
 693
 694     return GetPeer()->CanUndo() ;
 695 }
 696
 697 bool wxTextCtrl::CanRedo() const
 698 {
 699     if ( !IsEditable() )
 700         return false ;
 701
 702     return GetPeer()->CanRedo() ;
 703 }
 704
 705 void wxTextCtrl::MarkDirty()
 706 {
 707     m_dirty = true;
 708 }
 709
 710 void wxTextCtrl::DiscardEdits()
 711 {
 712     m_dirty = false;
 713 }
 714
 715 int wxTextCtrl::GetNumberOfLines() const
 716 {
 717     return GetPeer()->GetNumberOfLines() ;
 718 }
 719
 720 long wxTextCtrl::XYToPosition(long x, long y) const
 721 {
 722     return GetPeer()->XYToPosition( x , y ) ;
 723 }
 724
 725 bool wxTextCtrl::PositionToXY(long pos, long *x, long *y) const
 726 {
 727     return GetPeer()->PositionToXY( pos , x , y ) ;
 728 }
 729
 730 void wxTextCtrl::ShowPosition(long pos)
 731 {
 732     return GetPeer()->ShowPosition(pos) ;
 733 }
 734
 735 int wxTextCtrl::GetLineLength(long lineNo) const
 736 {
 737     return GetPeer()->GetLineLength(lineNo) ;
 738 }
 739
 740 wxString wxTextCtrl::GetLineText(long lineNo) const
 741 {
 742     return GetPeer()->GetLineText(lineNo) ;
 743 }
 744
 745 void wxTextCtrl::Command(wxCommandEvent & event)
 746 {
 747     SetValue(event.GetString());
 748     ProcessCommand(event);
 749 }
 750
 751 void wxTextCtrl::OnDropFiles(wxDropFilesEvent& event)
 752 {
 753     // By default, load the first file into the text window.
 754     if (event.GetNumberOfFiles() > 0)
 755         LoadFile( event.GetFiles()[0] );
 756 }
 757
 758 void wxTextCtrl::OnEraseBackground(wxEraseEvent& event)
 759 {
 760     // all erasing should be done by the real mac control implementation
 761     // while this is true for MLTE under classic, the HITextView is somehow
 762     // transparent but background erase is not working correctly, so intercept
 763     // things while we can...
 764     event.Skip() ;
 765 }
 766
 767 void wxTextCtrl::OnChar(wxKeyEvent& event)
 768 {
 769     int key = event.GetKeyCode() ;
 770     bool eat_key = false ;
 771
 772     if ( key == 'a' && event.MetaDown() )
 773     {
 774         SelectAll() ;
 775
 776         return ;
 777     }
 778
 779     if ( key == 'c' && event.MetaDown() )
 780     {
 781         if ( CanCopy() )
 782             Copy() ;
 783
 784         return ;
 785     }
 786
 787     if ( !IsEditable() && key != WXK_LEFT && key != WXK_RIGHT && key != WXK_DOWN && key != WXK_UP && key != WXK_TAB &&
 788         !( key == WXK_RETURN && ( (m_windowStyle & wxTE_PROCESS_ENTER) || (m_windowStyle & wxTE_MULTILINE) ) )
 789 //        && key != WXK_PAGEUP && key != WXK_PAGEDOWN && key != WXK_HOME && key != WXK_END
 790         )
 791     {
 792         // eat it
 793         return ;
 794     }
 795
 796     // Check if we have reached the max # of chars (if it is set), but still
 797     // allow navigation and deletion
 798     if ( !IsMultiLine() && m_maxLength && GetValue().length() >= m_maxLength &&
 799         key != WXK_LEFT && key != WXK_RIGHT && key != WXK_TAB &&
 800         key != WXK_BACK && !( key == WXK_RETURN && (m_windowStyle & wxTE_PROCESS_ENTER) )
 801        )
 802     {
 803         // eat it, we don't want to add more than allowed # of characters
 804
 805         // TODO: generate EVT_TEXT_MAXLEN()
 806         return;
 807     }
 808
 809     // assume that any key not processed yet is going to modify the control
 810     m_dirty = true;
 811
 812     if ( key == 'v' && event.MetaDown() )
 813     {
 814         if ( CanPaste() )
 815             Paste() ;
 816
 817         return ;
 818     }
 819
 820     if ( key == 'x' && event.MetaDown() )
 821     {
 822         if ( CanCut() )
 823             Cut() ;
 824
 825         return ;
 826     }
 827
 828     switch ( key )
 829     {
 830         case WXK_RETURN:
 831             if (m_windowStyle & wxTE_PROCESS_ENTER)
 832             {
 833                 wxCommandEvent event(wxEVT_COMMAND_TEXT_ENTER, m_windowId);
 834                 event.SetEventObject( this );
 835                 event.SetString( GetValue() );
 836                 if ( GetEventHandler()->ProcessEvent(event) )
 837                     return;
 838             }
 839
 840             if ( !(m_windowStyle & wxTE_MULTILINE) )
 841             {
 842                 wxTopLevelWindow *tlw = wxDynamicCast(wxGetTopLevelParent(this), wxTopLevelWindow);
 843                 if ( tlw && tlw->GetDefaultItem() )
 844                 {
 845                     wxButton *def = wxDynamicCast(tlw->GetDefaultItem(), wxButton);
 846                     if ( def && def->IsEnabled() )
 847                     {
 848                         wxCommandEvent event(wxEVT_COMMAND_BUTTON_CLICKED, def->GetId() );
 849                         event.SetEventObject(def);
 850                         def->Command(event);
 851
 852                         return ;
 853                     }
 854                 }
 855
 856                 // this will make wxWidgets eat the ENTER key so that
 857                 // we actually prevent line wrapping in a single line text control
 858                 eat_key = true;
 859             }
 860             break;
 861
 862         case WXK_TAB:
 863             if ( !(m_windowStyle & wxTE_PROCESS_TAB))
 864             {
 865                 int flags = 0;
 866                 if (!event.ShiftDown())
 867                     flags |= wxNavigationKeyEvent::IsForward ;
 868                 if (event.ControlDown())
 869                     flags |= wxNavigationKeyEvent::WinChange ;
 870                 Navigate(flags);
 871
 872                 return;
 873             }
 874             else
 875             {
 876                 // This is necessary (don't know why);
 877                 // otherwise the tab will not be inserted.
 878                 WriteText(wxT("\t"));
 879                 eat_key = true;
 880             }
 881             break;
 882
 883         default:
 884             break;
 885     }
 886
 887     if (!eat_key)
 888     {
 889         // perform keystroke handling
 890         event.Skip(true) ;
 891     }
 892
 893     if ( ( key >= 0x20 && key < WXK_START ) ||
 894          ( key >= WXK_NUMPAD0 && key <= WXK_DIVIDE ) ||
 895          key == WXK_RETURN ||
 896          key == WXK_DELETE ||
 897          key == WXK_BACK)
 898     {
 899         wxCommandEvent event1(wxEVT_COMMAND_TEXT_UPDATED, m_windowId);
 900         event1.SetEventObject( this );
 901         wxPostEvent( GetEventHandler(), event1 );
 902     }
 903 }
 904
 905 // ----------------------------------------------------------------------------
 906 // standard handlers for standard edit menu events
 907 // ----------------------------------------------------------------------------
 908
 909 void wxTextCtrl::OnCut(wxCommandEvent& WXUNUSED(event))
 910 {
 911     Cut();
 912 }
 913
 914 void wxTextCtrl::OnCopy(wxCommandEvent& WXUNUSED(event))
 915 {
 916     Copy();
 917 }
 918
 919 void wxTextCtrl::OnPaste(wxCommandEvent& WXUNUSED(event))
 920 {
 921     Paste();
 922 }
 923
 924 void wxTextCtrl::OnUndo(wxCommandEvent& WXUNUSED(event))
 925 {
 926     Undo();
 927 }
 928
 929 void wxTextCtrl::OnRedo(wxCommandEvent& WXUNUSED(event))
 930 {
 931     Redo();
 932 }
 933
 934 void wxTextCtrl::OnDelete(wxCommandEvent& WXUNUSED(event))
 935 {
 936     long from, to;
 937
 938     GetSelection( &from, &to );
 939     if (from != -1 && to != -1)
 940         Remove( from, to );
 941 }
 942
 943 void wxTextCtrl::OnSelectAll(wxCommandEvent& WXUNUSED(event))
 944 {
 945     SetSelection(-1, -1);
 946 }
 947
 948 void wxTextCtrl::OnUpdateCut(wxUpdateUIEvent& event)
 949 {
 950     event.Enable( CanCut() );
 951 }
 952
 953 void wxTextCtrl::OnUpdateCopy(wxUpdateUIEvent& event)
 954 {
 955     event.Enable( CanCopy() );
 956 }
 957
 958 void wxTextCtrl::OnUpdatePaste(wxUpdateUIEvent& event)
 959 {
 960     event.Enable( CanPaste() );
 961 }
 962
 963 void wxTextCtrl::OnUpdateUndo(wxUpdateUIEvent& event)
 964 {
 965     event.Enable( CanUndo() );
 966 }
 967
 968 void wxTextCtrl::OnUpdateRedo(wxUpdateUIEvent& event)
 969 {
 970     event.Enable( CanRedo() );
 971 }
 972
 973 void wxTextCtrl::OnUpdateDelete(wxUpdateUIEvent& event)
 974 {
 975     long from, to;
 976
 977     GetSelection( &from, &to );
 978     event.Enable( from != -1 && to != -1 && from != to && IsEditable() ) ;
 979 }
 980
 981 void wxTextCtrl::OnUpdateSelectAll(wxUpdateUIEvent& event)
 982 {
 983     event.Enable(GetLastPosition() > 0);
 984 }
 985
 986 // CS: Context Menus only work with MLTE implementations or non-multiline HIViews at the moment
 987
 988 void wxTextCtrl::OnContextMenu(wxContextMenuEvent& event)
 989 {
 990     if ( GetPeer()->HasOwnContextMenu() )
 991     {
 992         event.Skip() ;
 993         return ;
 994     }
 995
 996     if (m_privateContextMenu == NULL)
 997     {
 998         m_privateContextMenu = new wxMenu;
 999         m_privateContextMenu->Append(wxID_UNDO, _("&Undo"));
1000         m_privateContextMenu->Append(wxID_REDO, _("&Redo"));
1001         m_privateContextMenu->AppendSeparator();
1002         m_privateContextMenu->Append(wxID_CUT, _("Cu&t"));
1003         m_privateContextMenu->Append(wxID_COPY, _("&Copy"));
1004         m_privateContextMenu->Append(wxID_PASTE, _("&Paste"));
1005         m_privateContextMenu->Append(wxID_CLEAR, _("&Delete"));
1006         m_privateContextMenu->AppendSeparator();
1007         m_privateContextMenu->Append(wxID_SELECTALL, _("Select &All"));
1008     }
1009
1010     if (m_privateContextMenu != NULL)
1011         PopupMenu(m_privateContextMenu);
1012 }
1013
1014 bool wxTextCtrl::MacSetupCursor( const wxPoint& pt )
1015 {
1016     if ( !GetPeer()->SetupCursor( pt ) )
1017         return wxWindow::MacSetupCursor( pt ) ;
1018     else
1019         return true ;
1020 }
1021
1022 // ----------------------------------------------------------------------------
1023 // implementation base class
1024 // ----------------------------------------------------------------------------
1025
1026 wxMacTextControl::wxMacTextControl(wxTextCtrl* peer) :
1027     wxMacControl( peer )
1028 {
1029 }
1030
1031 wxMacTextControl::~wxMacTextControl()
1032 {
1033 }
1034
1035 void wxMacTextControl::SetStyle(long WXUNUSED(start),
1036                                 long WXUNUSED(end),
1037                                 const wxTextAttr& WXUNUSED(style))
1038 {
1039 }
1040
1041 void wxMacTextControl::Copy()
1042 {
1043 }
1044
1045 void wxMacTextControl::Cut()
1046 {
1047 }
1048
1049 void wxMacTextControl::Paste()
1050 {
1051 }
1052
1053 bool wxMacTextControl::CanPaste() const
1054 {
1055     return false ;
1056 }
1057
1058 void wxMacTextControl::SetEditable(bool WXUNUSED(editable))
1059 {
1060 }
1061
1062 wxTextPos wxMacTextControl::GetLastPosition() const
1063 {
1064     return GetStringValue().length() ;
1065 }
1066
1067 void wxMacTextControl::Replace( long from , long to , const wxString &val )
1068 {
1069     SetSelection( from , to ) ;
1070     WriteText( val ) ;
1071 }
1072
1073 void wxMacTextControl::Remove( long from , long to )
1074 {
1075     SetSelection( from , to ) ;
1076     WriteText( wxEmptyString) ;
1077 }
1078
1079 void wxMacTextControl::Clear()
1080 {
1081     SetStringValue( wxEmptyString ) ;
1082 }
1083
1084 bool wxMacTextControl::CanUndo() const
1085 {
1086     return false ;
1087 }
1088
1089 void wxMacTextControl::Undo()
1090 {
1091 }
1092
1093 bool wxMacTextControl::CanRedo()  const
1094 {
1095     return false ;
1096 }
1097
1098 void wxMacTextControl::Redo()
1099 {
1100 }
1101
1102 long wxMacTextControl::XYToPosition(long WXUNUSED(x), long WXUNUSED(y)) const
1103 {
1104     return 0 ;
1105 }
1106
1107 bool wxMacTextControl::PositionToXY(long WXUNUSED(pos),
1108                                     long *WXUNUSED(x),
1109                                     long *WXUNUSED(y)) const
1110 {
1111     return false ;
1112 }
1113
1114 void wxMacTextControl::ShowPosition( long WXUNUSED(pos) )
1115 {
1116 }
1117
1118 int wxMacTextControl::GetNumberOfLines() const
1119 {
1120     ItemCount lines = 0 ;
1121     wxString content = GetStringValue() ;
1122     lines = 1;
1123
1124     for (size_t i = 0; i < content.length() ; i++)
1125     {
1126         if (content[i] == '\r')
1127             lines++;
1128     }
1129
1130     return lines ;
1131 }
1132
1133 wxString wxMacTextControl::GetLineText(long lineNo) const
1134 {
1135     // TODO: change this if possible to reflect real lines
1136     wxString content = GetStringValue() ;
1137
1138     // Find line first
1139     int count = 0;
1140     for (size_t i = 0; i < content.length() ; i++)
1141     {
1142         if (count == lineNo)
1143         {
1144             // Add chars in line then
1145             wxString tmp;
1146
1147             for (size_t j = i; j < content.length(); j++)
1148             {
1149                 if (content[j] == '\n')
1150                     return tmp;
1151
1152                 tmp += content[j];
1153             }
1154
1155             return tmp;
1156         }
1157
1158         if (content[i] == '\n')
1159             count++;
1160     }
1161
1162     return wxEmptyString ;
1163 }
1164
1165 int wxMacTextControl::GetLineLength(long lineNo) const
1166 {
1167     // TODO: change this if possible to reflect real lines
1168     wxString content = GetStringValue() ;
1169
1170     // Find line first
1171     int count = 0;
1172     for (size_t i = 0; i < content.length() ; i++)
1173     {
1174         if (count == lineNo)
1175         {
1176             // Count chars in line then
1177             count = 0;
1178             for (size_t j = i; j < content.length(); j++)
1179             {
1180                 count++;
1181                 if (content[j] == '\n')
1182                     return count;
1183             }
1184
1185             return count;
1186         }
1187
1188         if (content[i] == '\n')
1189             count++;
1190     }
1191
1192     return 0 ;
1193 }
1194
1195 // ----------------------------------------------------------------------------
1196 // standard unicode control implementation
1197 // ----------------------------------------------------------------------------
1198
1199 // the current unicode textcontrol implementation has a bug : only if the control
1200 // is currently having the focus, the selection can be retrieved by the corresponding
1201 // data tag. So we have a mirroring using a member variable
1202 // TODO : build event table using virtual member functions for wxMacControl
1203
1204 static const EventTypeSpec unicodeTextControlEventList[] =
1205 {
1206     { kEventClassControl , kEventControlSetFocusPart } ,
1207 } ;
1208
1209 static pascal OSStatus wxMacUnicodeTextControlControlEventHandler( EventHandlerCallRef handler , EventRef event , void *data )
1210 {
1211     OSStatus result = eventNotHandledErr ;
1212     wxMacUnicodeTextControl* focus = (wxMacUnicodeTextControl*) data ;
1213     wxMacCarbonEvent cEvent( event ) ;
1214
1215     switch ( GetEventKind( event ) )
1216     {
1217         case kEventControlSetFocusPart :
1218         {
1219             ControlPartCode controlPart = cEvent.GetParameter<ControlPartCode>(kEventParamControlPart , typeControlPartCode );
1220             if ( controlPart == kControlFocusNoPart )
1221             {
1222                 // about to loose focus -> store selection to field
1223                 focus->GetData<ControlEditTextSelectionRec>( 0, kControlEditTextSelectionTag, &focus->m_selection );
1224             }
1225             result = CallNextEventHandler(handler,event) ;
1226             if ( controlPart != kControlFocusNoPart )
1227             {
1228                 // about to gain focus -> set selection from field
1229                 focus->SetData<ControlEditTextSelectionRec>( 0, kControlEditTextSelectionTag, &focus->m_selection );
1230             }
1231             break;
1232         }
1233         default:
1234             break ;
1235     }
1236
1237     return result ;
1238 }
1239
1240 static pascal OSStatus wxMacUnicodeTextControlEventHandler( EventHandlerCallRef handler , EventRef event , void *data )
1241 {
1242     OSStatus result = eventNotHandledErr ;
1243
1244     switch ( GetEventClass( event ) )
1245     {
1246         case kEventClassControl :
1247             result = wxMacUnicodeTextControlControlEventHandler( handler , event , data ) ;
1248             break ;
1249
1250         default :
1251             break ;
1252     }
1253     return result ;
1254 }
1255
1256 DEFINE_ONE_SHOT_HANDLER_GETTER( wxMacUnicodeTextControlEventHandler )
1257
1258 wxMacUnicodeTextControl::wxMacUnicodeTextControl( wxTextCtrl *wxPeer ) : wxMacTextControl( wxPeer )
1259 {
1260 }
1261
1262 wxMacUnicodeTextControl::wxMacUnicodeTextControl( wxTextCtrl *wxPeer,
1263     const wxString& str,
1264     const wxPoint& pos,
1265     const wxSize& size, long style )
1266     : wxMacTextControl( wxPeer )
1267 {
1268     Create( wxPeer, str, pos, size, style );
1269 }
1270
1271 bool wxMacUnicodeTextControl::Create( wxTextCtrl *wxPeer,
1272     const wxString& str,
1273     const wxPoint& pos,
1274     const wxSize& size, long style )
1275 {
1276     m_font = wxPeer->GetFont() ;
1277     m_windowStyle = style ;
1278     m_selection.selStart = m_selection.selEnd = 0;
1279     Rect bounds = wxMacGetBoundsForControl( wxPeer , pos , size ) ;
1280     wxString st = str ;
1281     wxMacConvertNewlines10To13( &st ) ;
1282     wxMacCFStringHolder cf(st , m_font.GetEncoding()) ;
1283     CFStringRef cfr = cf ;
1284
1285     m_valueTag = kControlEditTextCFStringTag ;
1286     CreateControl( wxPeer, &bounds, cfr );
1287
1288     if ( !(m_windowStyle & wxTE_MULTILINE) )
1289         SetData<Boolean>( kControlEditTextPart , kControlEditTextSingleLineTag , true ) ;
1290
1291     InstallControlEventHandler( m_controlRef , GetwxMacUnicodeTextControlEventHandlerUPP(),
1292                                 GetEventTypeCount(unicodeTextControlEventList), unicodeTextControlEventList, this,
1293                                 NULL);
1294
1295     return true;
1296 }
1297
1298 wxMacUnicodeTextControl::~wxMacUnicodeTextControl()
1299 {
1300 }
1301
1302 void wxMacUnicodeTextControl::VisibilityChanged(bool shown)
1303 {
1304     if ( !(m_windowStyle & wxTE_MULTILINE) && shown )
1305     {
1306         // work around a refresh issue insofar as not always the entire content is shown,
1307         // even if this would be possible
1308         ControlEditTextSelectionRec sel ;
1309         CFStringRef value = NULL ;
1310
1311         verify_noerr( GetData<ControlEditTextSelectionRec>( 0, kControlEditTextSelectionTag, &sel ) );
1312         verify_noerr( GetData<CFStringRef>( 0, m_valueTag, &value ) );
1313         verify_noerr( SetData<CFStringRef>( 0, m_valueTag, &value ) );
1314         verify_noerr( SetData<ControlEditTextSelectionRec>( 0, kControlEditTextSelectionTag, &sel ) );
1315
1316         CFRelease( value ) ;
1317     }
1318 }
1319
1320 wxString wxMacUnicodeTextControl::GetStringValue() const
1321 {
1322     wxString result ;
1323     CFStringRef value = GetData<CFStringRef>(0, m_valueTag) ;
1324     if ( value )
1325     {
1326         wxMacCFStringHolder cf(value) ;
1327         result = cf.AsString() ;
1328     }
1329
1330 #if '\n' == 10
1331     wxMacConvertNewlines13To10( &result ) ;
1332 #else
1333     wxMacConvertNewlines10To13( &result ) ;
1334 #endif
1335
1336     return result ;
1337 }
1338
1339 void wxMacUnicodeTextControl::SetStringValue( const wxString &str )
1340 {
1341     wxString st = str ;
1342     wxMacConvertNewlines10To13( &st ) ;
1343     wxMacCFStringHolder cf( st , m_font.GetEncoding() ) ;
1344     verify_noerr( SetData<CFStringRef>( 0, m_valueTag , cf ) ) ;
1345 }
1346
1347 void wxMacUnicodeTextControl::CreateControl( wxTextCtrl* peer, const Rect* bounds, CFStringRef cfr )
1348 {
1349     Boolean isPassword = ( m_windowStyle & wxTE_PASSWORD ) != 0 ;
1350     if ( isPassword )
1351     {
1352         m_valueTag = kControlEditTextPasswordCFStringTag ;
1353     }
1354     OSStatus err = CreateEditUnicodeTextControl(
1355         MAC_WXHWND(peer->MacGetTopLevelWindowRef()), bounds , cfr ,
1356         isPassword , NULL , &m_controlRef ) ;
1357     verify_noerr( err );
1358 }
1359
1360 void wxMacUnicodeTextControl::Copy()
1361 {
1362     SendHICommand( kHICommandCopy ) ;
1363 }
1364
1365 void wxMacUnicodeTextControl::Cut()
1366 {
1367     SendHICommand( kHICommandCut ) ;
1368 }
1369
1370 void wxMacUnicodeTextControl::Paste()
1371 {
1372     SendHICommand( kHICommandPaste ) ;
1373 }
1374
1375 bool wxMacUnicodeTextControl::CanPaste() const
1376 {
1377     return true ;
1378 }
1379
1380 void wxMacUnicodeTextControl::SetEditable(bool WXUNUSED(editable))
1381 {
1382 #if 0 // leads to problem because text cannot be selected anymore
1383     SetData<Boolean>( kControlEditTextPart , kControlEditTextLockedTag , (Boolean) !editable ) ;
1384 #endif
1385 }
1386
1387 void wxMacUnicodeTextControl::GetSelection( long* from, long* to ) const
1388 {
1389     ControlEditTextSelectionRec sel ;
1390     if (HasFocus())
1391         verify_noerr( GetData<ControlEditTextSelectionRec>( 0, kControlEditTextSelectionTag, &sel ) ) ;
1392     else
1393         sel = m_selection ;
1394
1395     if ( from )
1396         *from = sel.selStart ;
1397     if ( to )
1398         *to = sel.selEnd ;
1399 }
1400
1401 void wxMacUnicodeTextControl::SetSelection( long from , long to )
1402 {
1403     ControlEditTextSelectionRec sel ;
1404     wxString result ;
1405     int textLength = 0 ;
1406     CFStringRef value = GetData<CFStringRef>(0, m_valueTag) ;
1407     if ( value )
1408     {
1409         wxMacCFStringHolder cf(value) ;
1410         textLength = cf.AsString().length() ;
1411     }
1412
1413     if ((from == -1) && (to == -1))
1414     {
1415         from = 0 ;
1416         to = textLength ;
1417     }
1418     else
1419     {
1420         from = wxMin(textLength,wxMax(from,0)) ;
1421         if ( to == -1 )
1422             to = textLength;
1423         else
1424             to = wxMax(0,wxMin(textLength,to)) ;
1425     }
1426
1427     sel.selStart = from ;
1428     sel.selEnd = to ;
1429     if ( HasFocus() )
1430         SetData<ControlEditTextSelectionRec>( 0, kControlEditTextSelectionTag, &sel ) ;
1431     else
1432         m_selection = sel;
1433 }
1434
1435 void wxMacUnicodeTextControl::WriteText( const wxString& str )
1436 {
1437     wxString st = str ;
1438     wxMacConvertNewlines10To13( &st ) ;
1439
1440     if ( HasFocus() )
1441     {
1442         wxMacCFStringHolder cf(st , m_font.GetEncoding() ) ;
1443         CFStringRef value = cf ;
1444         SetData<CFStringRef>( 0, kControlEditTextInsertCFStringRefTag, &value );
1445     }
1446     else
1447     {
1448         wxString val = GetStringValue() ;
1449         long start , end ;
1450         GetSelection( &start , &end ) ;
1451         val.Remove( start , end - start ) ;
1452         val.insert( start , str ) ;
1453         SetStringValue( val ) ;
1454         SetSelection( start + str.length() , start + str.length() ) ;
1455     }
1456 }
1457
1458 // ----------------------------------------------------------------------------
1459 // MLTE control implementation (common part)
1460 // ----------------------------------------------------------------------------
1461
1462 // if MTLE is read only, no changes at all are allowed, not even from
1463 // procedural API, in order to allow changes via API all the same we must undo
1464 // the readonly status while we are executing, this class helps to do so
1465
1466 class wxMacEditHelper
1467 {
1468 public :
1469     wxMacEditHelper( TXNObject txn )
1470     {
1471         TXNControlTag tag[] = { kTXNIOPrivilegesTag } ;
1472         m_txn = txn ;
1473         TXNGetTXNObjectControls( m_txn , 1 , tag , m_data ) ;
1474         if ( m_data[0].uValue == kTXNReadOnly )
1475         {
1476             TXNControlData data[] = { { kTXNReadWrite } } ;
1477             TXNSetTXNObjectControls( m_txn , false , 1 , tag , data ) ;
1478         }
1479     }
1480
1481     ~wxMacEditHelper()
1482     {
1483         TXNControlTag tag[] = { kTXNIOPrivilegesTag } ;
1484         if ( m_data[0].uValue == kTXNReadOnly )
1485             TXNSetTXNObjectControls( m_txn , false , 1 , tag , m_data ) ;
1486     }
1487
1488 protected :
1489     TXNObject m_txn ;
1490     TXNControlData m_data[1] ;
1491 } ;
1492
1493 wxMacMLTEControl::wxMacMLTEControl( wxTextCtrl *peer )
1494     : wxMacTextControl( peer )
1495 {
1496     SetNeedsFocusRect( true ) ;
1497 }
1498
1499 wxString wxMacMLTEControl::GetStringValue() const
1500 {
1501     wxString result ;
1502     OSStatus err ;
1503     Size actualSize = 0;
1504
1505     {
1506 #if wxUSE_UNICODE
1507         Handle theText ;
1508         err = TXNGetDataEncoded( m_txn, kTXNStartOffset, kTXNEndOffset, &theText, kTXNUnicodeTextData );
1509
1510         // all done
1511         if ( err != noErr )
1512         {
1513             actualSize = 0 ;
1514         }
1515         else
1516         {
1517             actualSize = GetHandleSize( theText ) / sizeof(UniChar) ;
1518             if ( actualSize > 0 )
1519             {
1520                 wxChar *ptr = NULL ;
1521
1522 #if SIZEOF_WCHAR_T == 2
1523                 ptr = new wxChar[actualSize + 1] ;
1524                 wxStrncpy( ptr , (wxChar*)(*theText) , actualSize ) ;
1525 #else
1526                 SetHandleSize( theText, (actualSize + 1) * sizeof(UniChar) ) ;
1527                 HLock( theText ) ;
1528                 (((UniChar*)*theText)[actualSize]) = 0 ;
1529                 wxMBConvUTF16 converter ;
1530                 size_t noChars = converter.MB2WC( NULL , (const char*)*theText , 0 ) ;
1531                 wxASSERT_MSG( noChars != wxCONV_FAILED, _T("Unable to count the number of characters in this string!") );
1532                 ptr = new wxChar[noChars + 1] ;
1533
1534                 noChars = converter.MB2WC( ptr , (const char*)*theText , noChars + 1 ) ;
1535                 wxASSERT_MSG( noChars != wxCONV_FAILED, _T("Conversion of string failed!") );
1536                 ptr[noChars] = 0 ;
1537                 HUnlock( theText ) ;
1538 #endif
1539
1540                 ptr[actualSize] = 0 ;
1541                 result = wxString( ptr ) ;
1542                 delete [] ptr ;
1543             }
1544
1545             DisposeHandle( theText ) ;
1546         }
1547 #else
1548         Handle theText ;
1549         err = TXNGetDataEncoded( m_txn , kTXNStartOffset, kTXNEndOffset, &theText, kTXNTextData );
1550
1551         // all done
1552         if ( err != noErr )
1553         {
1554             actualSize = 0 ;
1555         }
1556         else
1557         {
1558             actualSize = GetHandleSize( theText ) ;
1559             if ( actualSize > 0 )
1560             {
1561                 HLock( theText ) ;
1562                 result = wxString( *theText , wxConvLocal , actualSize ) ;
1563                 HUnlock( theText ) ;
1564             }
1565
1566             DisposeHandle( theText ) ;
1567         }
1568 #endif
1569     }
1570
1571 #if '\n' == 10
1572     wxMacConvertNewlines13To10( &result ) ;
1573 #else
1574     wxMacConvertNewlines10To13( &result ) ;
1575 #endif
1576
1577     return result ;
1578 }
1579
1580 void wxMacMLTEControl::SetStringValue( const wxString &str )
1581 {
1582     wxString st = str;
1583     wxMacConvertNewlines10To13( &st );
1584
1585     {
1586 #ifndef __LP64__
1587         wxMacWindowClipper c( m_peer ) ;
1588 #endif
1589
1590         {
1591             wxMacEditHelper help( m_txn );
1592             SetTXNData( st, kTXNStartOffset, kTXNEndOffset );
1593         }
1594
1595         TXNSetSelection( m_txn, 0, 0 );
1596         TXNShowSelection( m_txn, kTXNShowStart );
1597     }
1598 }
1599
1600 TXNFrameOptions wxMacMLTEControl::FrameOptionsFromWXStyle( long wxStyle )
1601 {
1602     TXNFrameOptions frameOptions = kTXNDontDrawCaretWhenInactiveMask;
1603
1604     frameOptions |= kTXNDoFontSubstitutionMask;
1605
1606     if ( ! (wxStyle & wxTE_NOHIDESEL) )
1607         frameOptions |= kTXNDontDrawSelectionWhenInactiveMask ;
1608
1609     if ( wxStyle & (wxHSCROLL | wxTE_DONTWRAP) )
1610         frameOptions |= kTXNWantHScrollBarMask ;
1611
1612     if ( wxStyle & wxTE_MULTILINE )
1613     {
1614         frameOptions |= kTXNAlwaysWrapAtViewEdgeMask ;
1615
1616         if ( !(wxStyle & wxTE_NO_VSCROLL) )
1617         {
1618             frameOptions |= kTXNWantVScrollBarMask ;
1619
1620             // The following code causes drawing problems on 10.4. Perhaps it can be restored for
1621             // older versions of the OS, but I'm not sure it's appropriate to put a grow icon here
1622             // anyways, as AFAIK users can't actually use it to resize the text ctrl.
1623 //            if ( frameOptions & kTXNWantHScrollBarMask )
1624 //                frameOptions |= kTXNDrawGrowIconMask ;
1625         }
1626     }
1627     else
1628     {
1629         frameOptions |= kTXNSingleLineOnlyMask ;
1630     }
1631
1632     return frameOptions ;
1633 }
1634
1635 void wxMacMLTEControl::AdjustCreationAttributes(const wxColour &background,
1636                                                 bool WXUNUSED(visible))
1637 {
1638     TXNControlTag iControlTags[] =
1639         {
1640             kTXNDoFontSubstitution,
1641             kTXNWordWrapStateTag ,
1642         };
1643     TXNControlData iControlData[] =
1644         {
1645             { true },
1646             { kTXNNoAutoWrap },
1647         };
1648
1649     int toptag = WXSIZEOF( iControlTags ) ;
1650
1651     if ( m_windowStyle & wxTE_MULTILINE )
1652     {
1653         iControlData[1].uValue =
1654             (m_windowStyle & wxTE_DONTWRAP)
1655             ? kTXNNoAutoWrap
1656             : kTXNAutoWrap;
1657     }
1658
1659     OSStatus err = TXNSetTXNObjectControls( m_txn, false, toptag, iControlTags, iControlData ) ;
1660     verify_noerr( err );
1661
1662     // setting the default font:
1663     // under 10.2 this causes a visible caret, therefore we avoid it
1664
1665     Str255 fontName ;
1666     SInt16 fontSize ;
1667     Style fontStyle ;
1668
1669     GetThemeFont( kThemeSystemFont , GetApplicationScript() , fontName , &fontSize , &fontStyle ) ;
1670
1671     TXNTypeAttributes typeAttr[] =
1672     {
1673         { kTXNQDFontNameAttribute , kTXNQDFontNameAttributeSize , { (void*) fontName } } ,
1674         { kTXNQDFontSizeAttribute , kTXNFontSizeAttributeSize , { (void*) (fontSize << 16) } } ,
1675         { kTXNQDFontStyleAttribute , kTXNQDFontStyleAttributeSize , { (void*) normal } } ,
1676     } ;
1677
1678     err = TXNSetTypeAttributes(
1679         m_txn, sizeof(typeAttr) / sizeof(TXNTypeAttributes),
1680         typeAttr, kTXNStartOffset, kTXNEndOffset );
1681     verify_noerr( err );
1682
1683     if ( m_windowStyle & wxTE_PASSWORD )
1684     {
1685         UniChar c = 0x00A5 ;
1686         err = TXNEchoMode( m_txn , c , 0 , true );
1687         verify_noerr( err );
1688     }
1689
1690     TXNBackground tback;
1691     tback.bgType = kTXNBackgroundTypeRGB;
1692     background.GetRGBColor( &tback.bg.color );
1693     TXNSetBackground( m_txn , &tback );
1694
1695
1696     TXNCommandEventSupportOptions options ;
1697     if ( TXNGetCommandEventSupport( m_txn, &options ) == noErr )
1698     {
1699         options |=
1700             kTXNSupportEditCommandProcessing
1701             | kTXNSupportEditCommandUpdating
1702             | kTXNSupportFontCommandProcessing
1703             | kTXNSupportFontCommandUpdating;
1704
1705         // only spell check when not read-only
1706         // use system options for the default
1707         bool checkSpelling = false ;
1708         if ( !(m_windowStyle & wxTE_READONLY) )
1709         {
1710 #if wxUSE_SYSTEM_OPTIONS
1711             if ( wxSystemOptions::HasOption( wxMAC_TEXTCONTROL_USE_SPELL_CHECKER ) && (wxSystemOptions::GetOptionInt( wxMAC_TEXTCONTROL_USE_SPELL_CHECKER ) == 1) )
1712             {
1713                 checkSpelling = true ;
1714             }
1715 #endif
1716         }
1717
1718         if ( checkSpelling )
1719             options |=
1720                 kTXNSupportSpellCheckCommandProcessing
1721                 | kTXNSupportSpellCheckCommandUpdating;
1722
1723         TXNSetCommandEventSupport( m_txn , options ) ;
1724     }
1725 }
1726
1727 void wxMacMLTEControl::SetBackground( const wxBrush &brush )
1728 {
1729     // currently only solid background are supported
1730     TXNBackground tback;
1731
1732     tback.bgType = kTXNBackgroundTypeRGB;
1733     brush.GetColour().GetRGBColor(&tback.bg.color);
1734     TXNSetBackground( m_txn , &tback );
1735 }
1736
1737 static inline int wxConvertToTXN(int x)
1738 {
1739     return wx_static_cast(int, x / 254.0 * 72 + 0.5);
1740 }
1741
1742 void wxMacMLTEControl::TXNSetAttribute( const wxTextAttr& style , long from , long to )
1743 {
1744     TXNTypeAttributes typeAttr[4] ;
1745     RGBColor color ;
1746     size_t typeAttrCount = 0 ;
1747
1748     TXNMargins margins;
1749     TXNControlTag    controlTags[4];
1750     TXNControlData   controlData[4];
1751     size_t controlAttrCount = 0;
1752
1753     TXNTab* tabs = NULL;
1754
1755     bool relayout = false;
1756
1757     if ( style.HasFont() )
1758     {
1759         wxASSERT( typeAttrCount < WXSIZEOF(typeAttr) );
1760         const wxFont &font = style.GetFont() ;
1761         typeAttr[typeAttrCount].tag = kTXNATSUIStyle ;
1762         typeAttr[typeAttrCount].size = kTXNATSUIStyleSize ;
1763         typeAttr[typeAttrCount].data.dataPtr = font.MacGetATSUStyle() ;
1764         typeAttrCount++ ;
1765     }
1766
1767     if ( style.HasTextColour() )
1768     {
1769         wxASSERT( typeAttrCount < WXSIZEOF(typeAttr) );
1770         style.GetTextColour().GetRGBColor( &color );
1771         typeAttr[typeAttrCount].tag = kTXNQDFontColorAttribute ;
1772         typeAttr[typeAttrCount].size = kTXNQDFontColorAttributeSize ;
1773         typeAttr[typeAttrCount].data.dataPtr = (void*) &color ;
1774         typeAttrCount++ ;
1775     }
1776
1777     if ( style.HasAlignment() )
1778     {
1779         wxASSERT( controlAttrCount < WXSIZEOF(controlTags) );
1780         SInt32 align;
1781
1782         switch ( style.GetAlignment() )
1783         {
1784             case wxTEXT_ALIGNMENT_LEFT:
1785                 align = kTXNFlushLeft;
1786                 break;
1787             case wxTEXT_ALIGNMENT_CENTRE:
1788                 align = kTXNCenter;
1789                 break;
1790             case wxTEXT_ALIGNMENT_RIGHT:
1791                 align = kTXNFlushRight;
1792                 break;
1793             case wxTEXT_ALIGNMENT_JUSTIFIED:
1794                 align = kTXNFullJust;
1795                 break;
1796             default :
1797             case wxTEXT_ALIGNMENT_DEFAULT:
1798                 align = kTXNFlushDefault;
1799                 break;
1800         }
1801
1802         controlTags[controlAttrCount] = kTXNJustificationTag ;
1803         controlData[controlAttrCount].sValue = align ;
1804         controlAttrCount++ ;
1805     }
1806
1807     if ( style.HasLeftIndent() || style.HasRightIndent() )
1808     {
1809         wxASSERT( controlAttrCount < WXSIZEOF(controlTags) );
1810         controlTags[controlAttrCount] = kTXNMarginsTag;
1811         controlData[controlAttrCount].marginsPtr = &margins;
1812         verify_noerr( TXNGetTXNObjectControls (m_txn, 1 ,
1813                                 &controlTags[controlAttrCount], &controlData[controlAttrCount]) );
1814         if ( style.HasLeftIndent() )
1815         {
1816             margins.leftMargin = wxConvertToTXN(style.GetLeftIndent());
1817         }
1818         if ( style.HasRightIndent() )
1819         {
1820             margins.rightMargin = wxConvertToTXN(style.GetRightIndent());
1821         }
1822         controlAttrCount++ ;
1823     }
1824
1825     if ( style.HasTabs() )
1826     {
1827         const wxArrayInt& tabarray = style.GetTabs();
1828         // unfortunately Mac only applies a tab distance, not individually different tabs
1829         controlTags[controlAttrCount] = kTXNTabSettingsTag;
1830         if ( tabarray.size() > 0 )
1831             controlData[controlAttrCount].tabValue.value = wxConvertToTXN(tabarray[0]);
1832         else
1833             controlData[controlAttrCount].tabValue.value = 72 ;
1834
1835         controlData[controlAttrCount].tabValue.tabType = kTXNLeftTab;
1836         controlAttrCount++ ;
1837     }
1838
1839     // unfortunately the relayout is not automatic
1840     if ( controlAttrCount > 0 )
1841     {
1842         verify_noerr( TXNSetTXNObjectControls (m_txn, false /* don't clear all */, controlAttrCount,
1843                                 controlTags, controlData) );
1844         relayout = true;
1845     }
1846
1847     if ( typeAttrCount > 0 )
1848     {
1849         verify_noerr( TXNSetTypeAttributes( m_txn , typeAttrCount, typeAttr, from , to ) );
1850         relayout = true;
1851     }
1852
1853     if ( tabs != NULL )
1854     {
1855         delete[] tabs;
1856     }
1857
1858     if ( relayout )
1859     {
1860         TXNRecalcTextLayout( m_txn );
1861     }
1862 }
1863
1864 void wxMacMLTEControl::SetFont(const wxFont & font,
1865                                const wxColour& foreground,
1866                                long WXUNUSED(windowStyle))
1867 {
1868     wxMacEditHelper help( m_txn ) ;
1869     TXNSetAttribute( wxTextAttr( foreground, wxNullColour, font ), kTXNStartOffset, kTXNEndOffset ) ;
1870 }
1871
1872 void wxMacMLTEControl::SetStyle( long start, long end, const wxTextAttr& style )
1873 {
1874     wxMacEditHelper help( m_txn ) ;
1875     TXNSetAttribute( style, start, end ) ;
1876 }
1877
1878 void wxMacMLTEControl::Copy()
1879 {
1880     TXNCopy( m_txn );
1881 }
1882
1883 void wxMacMLTEControl::Cut()
1884 {
1885     TXNCut( m_txn );
1886 }
1887
1888 void wxMacMLTEControl::Paste()
1889 {
1890     TXNPaste( m_txn );
1891 }
1892
1893 bool wxMacMLTEControl::CanPaste() const
1894 {
1895     return TXNIsScrapPastable() ;
1896 }
1897
1898 void wxMacMLTEControl::SetEditable(bool editable)
1899 {
1900     TXNControlTag tag[] = { kTXNIOPrivilegesTag } ;
1901     TXNControlData data[] = { { editable ? kTXNReadWrite : kTXNReadOnly } } ;
1902     TXNSetTXNObjectControls( m_txn, false, WXSIZEOF(tag), tag, data ) ;
1903 }
1904
1905 wxTextPos wxMacMLTEControl::GetLastPosition() const
1906 {
1907     wxTextPos actualsize = 0 ;
1908
1909     Handle theText ;
1910     OSErr err = TXNGetDataEncoded( m_txn, kTXNStartOffset, kTXNEndOffset, &theText, kTXNTextData );
1911
1912     // all done
1913     if ( err == noErr )
1914     {
1915         actualsize = GetHandleSize( theText ) ;
1916         DisposeHandle( theText ) ;
1917     }
1918     else
1919     {
1920         actualsize = 0 ;
1921     }
1922
1923     return actualsize ;
1924 }
1925
1926 void wxMacMLTEControl::Replace( long from , long to , const wxString &str )
1927 {
1928     wxString value = str ;
1929     wxMacConvertNewlines10To13( &value ) ;
1930
1931     wxMacEditHelper help( m_txn ) ;
1932 #ifndef __LP64__
1933     wxMacWindowClipper c( m_peer ) ;
1934 #endif
1935
1936     TXNSetSelection( m_txn, from, to == -1 ? kTXNEndOffset : to ) ;
1937     TXNClear( m_txn ) ;
1938     SetTXNData( value, kTXNUseCurrentSelection, kTXNUseCurrentSelection ) ;
1939 }
1940
1941 void wxMacMLTEControl::Remove( long from , long to )
1942 {
1943 #ifndef __LP64__
1944     wxMacWindowClipper c( m_peer ) ;
1945 #endif
1946     wxMacEditHelper help( m_txn ) ;
1947     TXNSetSelection( m_txn , from , to ) ;
1948     TXNClear( m_txn ) ;
1949 }
1950
1951 void wxMacMLTEControl::GetSelection( long* from, long* to) const
1952 {
1953     TXNOffset f,t ;
1954     TXNGetSelection( m_txn , &f , &t ) ;
1955     *from = f;
1956     *to = t;
1957 }
1958
1959 void wxMacMLTEControl::SetSelection( long from , long to )
1960 {
1961 #ifndef __LP64__
1962     wxMacWindowClipper c( m_peer ) ;
1963 #endif
1964
1965     // change the selection
1966     if ((from == -1) && (to == -1))
1967         TXNSelectAll( m_txn );
1968     else
1969         TXNSetSelection( m_txn, from, to == -1 ? kTXNEndOffset : to );
1970
1971     TXNShowSelection( m_txn, kTXNShowStart );
1972 }
1973
1974 void wxMacMLTEControl::WriteText( const wxString& str )
1975 {
1976     wxString st = str ;
1977     wxMacConvertNewlines10To13( &st ) ;
1978
1979     long start , end , dummy ;
1980
1981     GetSelection( &start , &dummy ) ;
1982 #ifndef __LP64__
1983     wxMacWindowClipper c( m_peer ) ;
1984 #endif
1985
1986     {
1987         wxMacEditHelper helper( m_txn ) ;
1988         SetTXNData( st, kTXNUseCurrentSelection, kTXNUseCurrentSelection ) ;
1989     }
1990
1991     GetSelection( &dummy, &end ) ;
1992
1993     // TODO: SetStyle( start , end , GetDefaultStyle() ) ;
1994 }
1995
1996 void wxMacMLTEControl::Clear()
1997 {
1998 #ifndef __LP64__
1999     wxMacWindowClipper c( m_peer ) ;
2000 #endif
2001     wxMacEditHelper st( m_txn ) ;
2002     TXNSetSelection( m_txn , kTXNStartOffset , kTXNEndOffset ) ;
2003     TXNClear( m_txn ) ;
2004 }
2005
2006 bool wxMacMLTEControl::CanUndo() const
2007 {
2008     return TXNCanUndo( m_txn , NULL ) ;
2009 }
2010
2011 void wxMacMLTEControl::Undo()
2012 {
2013     TXNUndo( m_txn ) ;
2014 }
2015
2016 bool wxMacMLTEControl::CanRedo() const
2017 {
2018     return TXNCanRedo( m_txn , NULL ) ;
2019 }
2020
2021 void wxMacMLTEControl::Redo()
2022 {
2023     TXNRedo( m_txn ) ;
2024 }
2025
2026 int wxMacMLTEControl::GetNumberOfLines() const
2027 {
2028     ItemCount lines = 0 ;
2029     TXNGetLineCount( m_txn, &lines ) ;
2030
2031     return lines ;
2032 }
2033
2034 long wxMacMLTEControl::XYToPosition(long x, long y) const
2035 {
2036     Point curpt ;
2037     wxTextPos lastpos ;
2038
2039     // TODO: find a better implementation : while we can get the
2040     // line metrics of a certain line, we don't get its starting
2041     // position, so it would probably be rather a binary search
2042     // for the start position
2043     long xpos = 0, ypos = 0 ;
2044     int lastHeight = 0 ;
2045     ItemCount n ;
2046
2047     lastpos = GetLastPosition() ;
2048     for ( n = 0 ; n <= (ItemCount) lastpos ; ++n )
2049     {
2050         if ( y == ypos && x == xpos )
2051             return n ;
2052
2053         TXNOffsetToPoint( m_txn, n, &curpt ) ;
2054
2055         if ( curpt.v > lastHeight )
2056         {
2057             xpos = 0 ;
2058             if ( n > 0 )
2059                 ++ypos ;
2060
2061             lastHeight = curpt.v ;
2062         }
2063         else
2064             ++xpos ;
2065     }
2066
2067     return 0 ;
2068 }
2069
2070 bool wxMacMLTEControl::PositionToXY( long pos, long *x, long *y ) const
2071 {
2072     Point curpt ;
2073     wxTextPos lastpos ;
2074
2075     if ( y )
2076         *y = 0 ;
2077     if ( x )
2078         *x = 0 ;
2079
2080     lastpos = GetLastPosition() ;
2081     if ( pos <= lastpos )
2082     {
2083         // TODO: find a better implementation - while we can get the
2084         // line metrics of a certain line, we don't get its starting
2085         // position, so it would probably be rather a binary search
2086         // for the start position
2087         long xpos = 0, ypos = 0 ;
2088         int lastHeight = 0 ;
2089         ItemCount n ;
2090
2091         for ( n = 0 ; n <= (ItemCount) pos ; ++n )
2092         {
2093             TXNOffsetToPoint( m_txn, n, &curpt ) ;
2094
2095             if ( curpt.v > lastHeight )
2096             {
2097                 xpos = 0 ;
2098                 if ( n > 0 )
2099                     ++ypos ;
2100
2101                 lastHeight = curpt.v ;
2102             }
2103             else
2104                 ++xpos ;
2105         }
2106
2107         if ( y )
2108             *y = ypos ;
2109         if ( x )
2110             *x = xpos ;
2111     }
2112
2113     return false ;
2114 }
2115
2116 void wxMacMLTEControl::ShowPosition( long pos )
2117 {
2118     Point current, desired ;
2119     TXNOffset selstart, selend;
2120
2121     TXNGetSelection( m_txn, &selstart, &selend );
2122     TXNOffsetToPoint( m_txn, selstart, &current );
2123     TXNOffsetToPoint( m_txn, pos, &desired );
2124
2125     // TODO: use HIPoints for 10.3 and above
2126
2127     OSErr theErr = noErr;
2128     long dv = desired.v - current.v;
2129     long dh = desired.h - current.h;
2130     TXNShowSelection( m_txn, kTXNShowStart ) ; // NB: should this be kTXNShowStart or kTXNShowEnd ??
2131     theErr = TXNScroll( m_txn, kTXNScrollUnitsInPixels, kTXNScrollUnitsInPixels, &dv, &dh );
2132
2133     // there will be an error returned for classic MLTE implementation when the control is
2134     // invisible, but HITextView works correctly, so we don't assert that one
2135     // wxASSERT_MSG( theErr == noErr, _T("TXNScroll returned an error!") );
2136 }
2137
2138 void wxMacMLTEControl::SetTXNData( const wxString& st, TXNOffset start, TXNOffset end )
2139 {
2140 #if wxUSE_UNICODE
2141 #if SIZEOF_WCHAR_T == 2
2142     size_t len = st.length() ;
2143     TXNSetData( m_txn, kTXNUnicodeTextData, (void*)st.wc_str(), len * 2, start, end );
2144 #else
2145     wxMBConvUTF16 converter ;
2146     ByteCount byteBufferLen = converter.WC2MB( NULL, st.wc_str(), 0 ) ;
2147     UniChar *unibuf = (UniChar*)malloc( byteBufferLen ) ;
2148     converter.WC2MB( (char*)unibuf, st.wc_str(), byteBufferLen ) ;
2149     TXNSetData( m_txn, kTXNUnicodeTextData, (void*)unibuf, byteBufferLen, start, end ) ;
2150     free( unibuf ) ;
2151 #endif
2152 #else
2153     wxCharBuffer text = st.mb_str( wxConvLocal ) ;
2154     TXNSetData( m_txn, kTXNTextData, (void*)text.data(), strlen( text ), start, end ) ;
2155 #endif
2156 }
2157
2158 wxString wxMacMLTEControl::GetLineText(long lineNo) const
2159 {
2160     wxString line ;
2161
2162     if ( lineNo < GetNumberOfLines() )
2163     {
2164         Point firstPoint;
2165         Fixed lineWidth, lineHeight, currentHeight;
2166         long ypos ;
2167
2168         // get the first possible position in the control
2169         TXNOffsetToPoint(m_txn, 0, &firstPoint);
2170
2171         // Iterate through the lines until we reach the one we want,
2172         // adding to our current y pixel point position
2173         ypos = 0 ;
2174         currentHeight = 0;
2175         while (ypos < lineNo)
2176         {
2177             TXNGetLineMetrics(m_txn, ypos++, &lineWidth, &lineHeight);
2178             currentHeight += lineHeight;
2179         }
2180
2181         Point thePoint = { firstPoint.v + (currentHeight >> 16), firstPoint.h + (0) };
2182         TXNOffset theOffset;
2183         TXNPointToOffset(m_txn, thePoint, &theOffset);
2184
2185         wxString content = GetStringValue() ;
2186         Point currentPoint = thePoint;
2187         while (thePoint.v == currentPoint.v && theOffset < content.length())
2188         {
2189             line += content[theOffset];
2190             TXNOffsetToPoint(m_txn, ++theOffset, &currentPoint);
2191         }
2192     }
2193
2194     return line ;
2195 }
2196
2197 int wxMacMLTEControl::GetLineLength(long lineNo) const
2198 {
2199     int theLength = 0;
2200
2201     if ( lineNo < GetNumberOfLines() )
2202     {
2203         Point firstPoint;
2204         Fixed lineWidth, lineHeight, currentHeight;
2205         long ypos;
2206
2207         // get the first possible position in the control
2208         TXNOffsetToPoint(m_txn, 0, &firstPoint);
2209
2210         // Iterate through the lines until we reach the one we want,
2211         // adding to our current y pixel point position
2212         ypos = 0;
2213         currentHeight = 0;
2214         while (ypos < lineNo)
2215         {
2216             TXNGetLineMetrics(m_txn, ypos++, &lineWidth, &lineHeight);
2217             currentHeight += lineHeight;
2218         }
2219
2220         Point thePoint = { firstPoint.v + (currentHeight >> 16), firstPoint.h + (0) };
2221         TXNOffset theOffset;
2222         TXNPointToOffset(m_txn, thePoint, &theOffset);
2223
2224         wxString content = GetStringValue() ;
2225         Point currentPoint = thePoint;
2226         while (thePoint.v == currentPoint.v && theOffset < content.length())
2227         {
2228             ++theLength;
2229             TXNOffsetToPoint(m_txn, ++theOffset, &currentPoint);
2230         }
2231     }
2232
2233     return theLength ;
2234 }
2235
2236 #if MAC_OS_X_VERSION_MIN_REQUIRED < MAC_OS_X_VERSION_10_5
2237
2238 // ----------------------------------------------------------------------------
2239 // MLTE control implementation (classic part)
2240 // ----------------------------------------------------------------------------
2241
2242 // OS X Notes : We still don't have a full replacement for MLTE, so this implementation
2243 // has to live on. We have different problems coming from outdated implementations on the
2244 // various OS X versions. Most deal with the scrollbars: they are not correctly embedded
2245 // while this can be solved on 10.3 by reassigning them the correct place, on 10.2 there is
2246 // no way out, therefore we are using our own implementation and our own scrollbars ....
2247
2248 TXNScrollInfoUPP gTXNScrollInfoProc = NULL ;
2249 ControlActionUPP gTXNScrollActionProc = NULL ;
2250
2251 pascal void wxMacMLTEClassicControl::TXNScrollInfoProc(
2252     SInt32 iValue, SInt32 iMaximumValue,
2253     TXNScrollBarOrientation iScrollBarOrientation, SInt32 iRefCon )
2254 {
2255     wxMacMLTEClassicControl* mlte = (wxMacMLTEClassicControl*) iRefCon ;
2256     SInt32 value =  wxMax( iValue , 0 ) ;
2257     SInt32 maximum = wxMax( iMaximumValue , 0 ) ;
2258
2259     if ( iScrollBarOrientation == kTXNHorizontal )
2260     {
2261         if ( mlte->m_sbHorizontal )
2262         {
2263             SetControl32BitValue( mlte->m_sbHorizontal , value ) ;
2264             SetControl32BitMaximum( mlte->m_sbHorizontal , maximum ) ;
2265             mlte->m_lastHorizontalValue = value ;
2266         }
2267     }
2268     else if ( iScrollBarOrientation == kTXNVertical )
2269     {
2270         if ( mlte->m_sbVertical )
2271         {
2272             SetControl32BitValue( mlte->m_sbVertical , value ) ;
2273             SetControl32BitMaximum( mlte->m_sbVertical , maximum ) ;
2274             mlte->m_lastVerticalValue = value ;
2275         }
2276     }
2277 }
2278
2279 pascal void wxMacMLTEClassicControl::TXNScrollActionProc( ControlRef controlRef , ControlPartCode partCode )
2280 {
2281     wxMacMLTEClassicControl* mlte = (wxMacMLTEClassicControl*) GetControlReference( controlRef ) ;
2282     if ( mlte == NULL )
2283         return ;
2284
2285     if ( controlRef != mlte->m_sbVertical && controlRef != mlte->m_sbHorizontal )
2286         return ;
2287
2288     OSStatus err ;
2289     bool isHorizontal = ( controlRef == mlte->m_sbHorizontal ) ;
2290
2291     SInt32 minimum = 0 ;
2292     SInt32 maximum = GetControl32BitMaximum( controlRef ) ;
2293     SInt32 value = GetControl32BitValue( controlRef ) ;
2294     SInt32 delta = 0;
2295
2296     switch ( partCode )
2297     {
2298         case kControlDownButtonPart :
2299             delta = 10 ;
2300             break ;
2301
2302         case kControlUpButtonPart :
2303             delta = -10 ;
2304             break ;
2305
2306         case kControlPageDownPart :
2307             delta = GetControlViewSize( controlRef ) ;
2308             break ;
2309
2310         case kControlPageUpPart :
2311             delta = -GetControlViewSize( controlRef ) ;
2312             break ;
2313
2314         case kControlIndicatorPart :
2315             delta = value - (isHorizontal ? mlte->m_lastHorizontalValue : mlte->m_lastVerticalValue) ;
2316             break ;
2317
2318         default :
2319             break ;
2320     }
2321
2322     if ( delta != 0 )
2323     {
2324         SInt32 newValue = value ;
2325
2326         if ( partCode != kControlIndicatorPart )
2327         {
2328             if ( value + delta < minimum )
2329                 delta = minimum - value ;
2330             if ( value + delta > maximum )
2331                 delta = maximum - value ;
2332
2333             SetControl32BitValue( controlRef , value + delta ) ;
2334             newValue = value + delta ;
2335         }
2336
2337         SInt32 verticalDelta = isHorizontal ? 0 : delta ;
2338         SInt32 horizontalDelta = isHorizontal ? delta : 0 ;
2339
2340         err = TXNScroll(
2341             mlte->m_txn, kTXNScrollUnitsInPixels, kTXNScrollUnitsInPixels,
2342             &verticalDelta, &horizontalDelta );
2343         verify_noerr( err );
2344
2345         if ( isHorizontal )
2346             mlte->m_lastHorizontalValue = newValue ;
2347         else
2348             mlte->m_lastVerticalValue = newValue ;
2349     }
2350 }
2351
2352 // make correct activations
2353 void wxMacMLTEClassicControl::MacActivatePaneText(bool setActive)
2354 {
2355     wxTextCtrl* textctrl = (wxTextCtrl*) GetControlReference(m_controlRef);
2356
2357     wxMacWindowClipper clipper( textctrl ) ;
2358     TXNActivate( m_txn, m_txnFrameID, setActive );
2359
2360     ControlRef controlFocus = 0 ;
2361     GetKeyboardFocus( m_txnWindow , &controlFocus ) ;
2362     if ( controlFocus == m_controlRef )
2363         TXNFocus( m_txn, setActive );
2364 }
2365
2366 void wxMacMLTEClassicControl::MacFocusPaneText(bool setFocus)
2367 {
2368     TXNFocus( m_txn, setFocus );
2369 }
2370
2371 // guards against inappropriate redraw (hidden objects drawing onto window)
2372
2373 void wxMacMLTEClassicControl::MacSetObjectVisibility(bool vis)
2374 {
2375     ControlRef controlFocus = 0 ;
2376     GetKeyboardFocus( m_txnWindow , &controlFocus ) ;
2377
2378     if ( !vis && (controlFocus == m_controlRef ) )
2379         SetKeyboardFocus( m_txnWindow , m_controlRef , kControlFocusNoPart ) ;
2380
2381     TXNControlTag iControlTags[1] = { kTXNVisibilityTag };
2382     TXNControlData iControlData[1] = { { (UInt32)false } };
2383
2384     verify_noerr( TXNGetTXNObjectControls( m_txn , 1, iControlTags, iControlData ) ) ;
2385
2386     if ( iControlData[0].uValue != vis )
2387     {
2388         iControlData[0].uValue = vis ;
2389         verify_noerr( TXNSetTXNObjectControls( m_txn, false , 1, iControlTags, iControlData ) ) ;
2390     }
2391
2392     // currently, we always clip as partial visibility (overlapped) visibility is also a problem,
2393     // if we run into further problems we might set the FrameBounds to an empty rect here
2394 }
2395
2396 // make sure that the TXNObject is at the right position
2397
2398 void wxMacMLTEClassicControl::MacUpdatePosition()
2399 {
2400     wxTextCtrl* textctrl = (wxTextCtrl*)GetControlReference( m_controlRef );
2401     if ( textctrl == NULL )
2402         return ;
2403
2404     Rect bounds ;
2405     UMAGetControlBoundsInWindowCoords( m_controlRef, &bounds );
2406
2407     wxRect visRect = textctrl->MacGetClippedClientRect() ;
2408     Rect visBounds = { visRect.y , visRect.x , visRect.y + visRect.height , visRect.x + visRect.width } ;
2409     int x , y ;
2410     x = y = 0 ;
2411     textctrl->MacWindowToRootWindow( &x , &y ) ;
2412     OffsetRect( &visBounds , x , y ) ;
2413
2414     if ( !EqualRect( &bounds, &m_txnControlBounds ) || !EqualRect( &visBounds, &m_txnVisBounds ) )
2415     {
2416         m_txnControlBounds = bounds ;
2417         m_txnVisBounds = visBounds ;
2418         wxMacWindowClipper cl( textctrl ) ;
2419
2420         if ( m_sbHorizontal || m_sbVertical )
2421         {
2422             int w = bounds.right - bounds.left ;
2423             int h = bounds.bottom - bounds.top ;
2424
2425             if ( m_sbHorizontal )
2426             {
2427                 Rect sbBounds ;
2428
2429                 sbBounds.left = -1 ;
2430                 sbBounds.top = h - 14 ;
2431                 sbBounds.right = w + 1 ;
2432                 sbBounds.bottom = h + 1 ;
2433
2434                 SetControlBounds( m_sbHorizontal , &sbBounds ) ;
2435                 SetControlViewSize( m_sbHorizontal , w ) ;
2436             }
2437
2438             if ( m_sbVertical )
2439             {
2440                 Rect sbBounds ;
2441
2442                 sbBounds.left = w - 14 ;
2443                 sbBounds.top = -1 ;
2444                 sbBounds.right = w + 1 ;
2445                 sbBounds.bottom = m_sbHorizontal ? h - 14 : h + 1 ;
2446
2447                 SetControlBounds( m_sbVertical , &sbBounds ) ;
2448                 SetControlViewSize( m_sbVertical , h ) ;
2449             }
2450         }
2451
2452         Rect oldviewRect ;
2453         TXNLongRect olddestRect ;
2454         TXNGetRectBounds( m_txn , &oldviewRect , &olddestRect , NULL ) ;
2455
2456         Rect viewRect = { m_txnControlBounds.top, m_txnControlBounds.left,
2457             m_txnControlBounds.bottom - ( m_sbHorizontal ? 14 : 0 ) ,
2458             m_txnControlBounds.right - ( m_sbVertical ? 14 : 0 ) } ;
2459         TXNLongRect destRect = { m_txnControlBounds.top, m_txnControlBounds.left,
2460             m_txnControlBounds.bottom - ( m_sbHorizontal ? 14 : 0 ) ,
2461             m_txnControlBounds.right - ( m_sbVertical ? 14 : 0 ) } ;
2462
2463         if ( olddestRect.right >= 10000 )
2464             destRect.right = destRect.left + 32000 ;
2465
2466         if ( olddestRect.bottom >= 0x20000000 )
2467             destRect.bottom = destRect.top + 0x40000000 ;
2468
2469         SectRect( &viewRect , &visBounds , &viewRect ) ;
2470         TXNSetRectBounds( m_txn , &viewRect , &destRect , true ) ;
2471
2472 #if 0
2473         TXNSetFrameBounds(
2474             m_txn,
2475             m_txnControlBounds.top,
2476             m_txnControlBounds.left,
2477             m_txnControlBounds.bottom - (m_sbHorizontal ? 14 : 0),
2478             m_txnControlBounds.right - (m_sbVertical ? 14 : 0),
2479             m_txnFrameID );
2480 #endif
2481
2482         // the SetFrameBounds method under Classic sometimes does not correctly scroll a selection into sight after a
2483         // movement, therefore we have to force it
2484
2485         // this problem has been reported in OSX as well, so we use this here once again
2486
2487         TXNLongRect textRect ;
2488         TXNGetRectBounds( m_txn , NULL , NULL , &textRect ) ;
2489         if ( textRect.left < m_txnControlBounds.left )
2490             TXNShowSelection( m_txn , kTXNShowStart ) ;
2491     }
2492 }
2493
2494 void wxMacMLTEClassicControl::SetRect( Rect *r )
2495 {
2496     wxMacControl::SetRect( r ) ;
2497     MacUpdatePosition() ;
2498 }
2499
2500 void wxMacMLTEClassicControl::MacControlUserPaneDrawProc(wxInt16 WXUNUSED(thePart))
2501 {
2502     wxTextCtrl* textctrl = (wxTextCtrl*)GetControlReference( m_controlRef );
2503     if ( textctrl == NULL )
2504         return ;
2505
2506     if ( textctrl->MacIsReallyShown() )
2507     {
2508         wxMacWindowClipper clipper( textctrl ) ;
2509         TXNDraw( m_txn , NULL ) ;
2510     }
2511 }
2512
2513 wxInt16 wxMacMLTEClassicControl::MacControlUserPaneHitTestProc(wxInt16 x, wxInt16 y)
2514 {
2515     Point where = { y , x } ;
2516     ControlPartCode result = kControlNoPart;
2517
2518     wxTextCtrl* textctrl = (wxTextCtrl*) GetControlReference( m_controlRef );
2519     if ( (textctrl != NULL) && textctrl->MacIsReallyShown() )
2520     {
2521         if (PtInRect( where, &m_txnControlBounds ))
2522         {
2523             result = kControlEditTextPart ;
2524         }
2525         else
2526         {
2527             // sometimes we get the coords also in control local coordinates, therefore test again
2528             int x = 0 , y = 0 ;
2529             textctrl->MacClientToRootWindow( &x , &y ) ;
2530             where.h += x ;
2531             where.v += y ;
2532
2533             if (PtInRect( where, &m_txnControlBounds ))
2534                 result = kControlEditTextPart ;
2535         }
2536     }
2537
2538     return result;
2539 }
2540
2541 wxInt16 wxMacMLTEClassicControl::MacControlUserPaneTrackingProc( wxInt16 x, wxInt16 y, void* WXUNUSED(actionProc) )
2542 {
2543     ControlPartCode result = kControlNoPart;
2544
2545     wxTextCtrl* textctrl = (wxTextCtrl*) GetControlReference( m_controlRef );
2546     if ( (textctrl != NULL) && textctrl->MacIsReallyShown() )
2547     {
2548         Point startPt = { y , x } ;
2549
2550         // for compositing, we must convert these into toplevel window coordinates, because hittesting expects them
2551         int x = 0 , y = 0 ;
2552         textctrl->MacClientToRootWindow( &x , &y ) ;
2553         startPt.h += x ;
2554         startPt.v += y ;
2555
2556         switch (MacControlUserPaneHitTestProc( startPt.h , startPt.v ))
2557         {
2558             case kControlEditTextPart :
2559             {
2560                 wxMacWindowClipper clipper( textctrl ) ;
2561                 EventRecord rec ;
2562
2563                 ConvertEventRefToEventRecord( (EventRef) wxTheApp->MacGetCurrentEvent() , &rec ) ;
2564                 TXNClick( m_txn, &rec );
2565             }
2566                 break;
2567
2568             default :
2569                 break;
2570         }
2571     }
2572
2573     return result;
2574 }
2575
2576 void wxMacMLTEClassicControl::MacControlUserPaneIdleProc()
2577 {
2578     wxTextCtrl* textctrl = (wxTextCtrl*)GetControlReference( m_controlRef );
2579     if ( textctrl == NULL )
2580         return ;
2581
2582     if (textctrl->MacIsReallyShown())
2583     {
2584         if (IsControlActive(m_controlRef))
2585         {
2586             Point mousep;
2587
2588             wxMacWindowClipper clipper( textctrl ) ;
2589             GetMouse(&mousep);
2590
2591             TXNIdle(m_txn);
2592
2593             if (PtInRect(mousep, &m_txnControlBounds))
2594             {
2595                 RgnHandle theRgn = NewRgn();
2596                 RectRgn(theRgn, &m_txnControlBounds);
2597                 TXNAdjustCursor(m_txn, theRgn);
2598                 DisposeRgn(theRgn);
2599             }
2600         }
2601     }
2602 }
2603
2604 wxInt16 wxMacMLTEClassicControl::MacControlUserPaneKeyDownProc (wxInt16 keyCode, wxInt16 charCode, wxInt16 modifiers)
2605 {
2606     wxTextCtrl* textctrl = (wxTextCtrl*)GetControlReference( m_controlRef );
2607     if ( textctrl == NULL )
2608         return kControlNoPart;
2609
2610     wxMacWindowClipper clipper( textctrl ) ;
2611
2612     EventRecord ev ;
2613     memset( &ev , 0 , sizeof( ev ) ) ;
2614     ev.what = keyDown ;
2615     ev.modifiers = modifiers ;
2616     ev.message = ((keyCode << 8) & keyCodeMask) | (charCode & charCodeMask);
2617     TXNKeyDown( m_txn , &ev );
2618
2619     return kControlEntireControl;
2620 }
2621
2622 void wxMacMLTEClassicControl::MacControlUserPaneActivateProc(bool activating)
2623 {
2624     MacActivatePaneText( activating );
2625 }
2626
2627 wxInt16 wxMacMLTEClassicControl::MacControlUserPaneFocusProc(wxInt16 action)
2628 {
2629     ControlPartCode focusResult = kControlFocusNoPart;
2630
2631     wxTextCtrl* textctrl = (wxTextCtrl*)GetControlReference( m_controlRef );
2632     if ( textctrl == NULL )
2633         return focusResult;
2634
2635     wxMacWindowClipper clipper( textctrl ) ;
2636
2637     ControlRef controlFocus = NULL ;
2638     GetKeyboardFocus( m_txnWindow , &controlFocus ) ;
2639     bool wasFocused = ( controlFocus == m_controlRef ) ;
2640
2641     switch (action)
2642     {
2643         case kControlFocusPrevPart:
2644         case kControlFocusNextPart:
2645             MacFocusPaneText( !wasFocused );
2646             focusResult = (!wasFocused ? (ControlPartCode) kControlEditTextPart : (ControlPartCode) kControlFocusNoPart);
2647             break;
2648
2649         case kControlFocusNoPart:
2650         default:
2651             MacFocusPaneText( false );
2652             focusResult = kControlFocusNoPart;
2653             break;
2654     }
2655
2656     return focusResult;
2657 }
2658
2659 void wxMacMLTEClassicControl::MacControlUserPaneBackgroundProc( void *WXUNUSED(info) )
2660 {
2661 }
2662
2663 wxMacMLTEClassicControl::wxMacMLTEClassicControl( wxTextCtrl *wxPeer,
2664     const wxString& str,
2665     const wxPoint& pos,
2666     const wxSize& size, long style )
2667     : wxMacMLTEControl( wxPeer )
2668 {
2669     m_font = wxPeer->GetFont() ;
2670     m_windowStyle = style ;
2671     Rect bounds = wxMacGetBoundsForControl( wxPeer , pos , size ) ;
2672
2673     short featureSet =
2674         kControlSupportsEmbedding | kControlSupportsFocus | kControlWantsIdle
2675         | kControlWantsActivate  | kControlHandlesTracking
2676 //    | kControlHasSpecialBackground
2677         | kControlGetsFocusOnClick | kControlSupportsLiveFeedback;
2678
2679    OSStatus err = ::CreateUserPaneControl(
2680         MAC_WXHWND(wxPeer->GetParent()->MacGetTopLevelWindowRef()),
2681         &bounds, featureSet, &m_controlRef );
2682     verify_noerr( err );
2683
2684     DoCreate();
2685
2686     AdjustCreationAttributes( *wxWHITE , true ) ;
2687
2688     MacSetObjectVisibility( wxPeer->MacIsReallyShown() ) ;
2689
2690     {
2691         wxString st = str ;
2692         wxMacConvertNewlines10To13( &st ) ;
2693         wxMacWindowClipper clipper( m_peer ) ;
2694         SetTXNData( st , kTXNStartOffset, kTXNEndOffset ) ;
2695         TXNSetSelection( m_txn, 0, 0 ) ;
2696     }
2697 }
2698
2699 wxMacMLTEClassicControl::~wxMacMLTEClassicControl()
2700 {
2701     TXNDeleteObject( m_txn );
2702     m_txn = NULL ;
2703 }
2704
2705 void wxMacMLTEClassicControl::VisibilityChanged(bool shown)
2706 {
2707     MacSetObjectVisibility( shown ) ;
2708     wxMacControl::VisibilityChanged( shown ) ;
2709 }
2710
2711 void wxMacMLTEClassicControl::SuperChangedPosition()
2712 {
2713     MacUpdatePosition() ;
2714     wxMacControl::SuperChangedPosition() ;
2715 }
2716
2717 ControlUserPaneDrawUPP gTPDrawProc = NULL;
2718 ControlUserPaneHitTestUPP gTPHitProc = NULL;
2719 ControlUserPaneTrackingUPP gTPTrackProc = NULL;
2720 ControlUserPaneIdleUPP gTPIdleProc = NULL;
2721 ControlUserPaneKeyDownUPP gTPKeyProc = NULL;
2722 ControlUserPaneActivateUPP gTPActivateProc = NULL;
2723 ControlUserPaneFocusUPP gTPFocusProc = NULL;
2724
2725 static pascal void wxMacControlUserPaneDrawProc(ControlRef control, SInt16 part)
2726 {
2727     wxTextCtrl *textCtrl =  wxDynamicCast( wxFindControlFromMacControl(control) , wxTextCtrl ) ;
2728     wxMacMLTEClassicControl * win = textCtrl ? (wxMacMLTEClassicControl*)(textCtrl->GetPeer()) : NULL ;
2729     if ( win )
2730         win->MacControlUserPaneDrawProc( part ) ;
2731 }
2732
2733 static pascal ControlPartCode wxMacControlUserPaneHitTestProc(ControlRef control, Point where)
2734 {
2735     wxTextCtrl *textCtrl =  wxDynamicCast( wxFindControlFromMacControl(control) , wxTextCtrl ) ;
2736     wxMacMLTEClassicControl * win = textCtrl ? (wxMacMLTEClassicControl*)(textCtrl->GetPeer()) : NULL ;
2737     if ( win )
2738         return win->MacControlUserPaneHitTestProc( where.h , where.v ) ;
2739     else
2740         return kControlNoPart ;
2741 }
2742
2743 static pascal ControlPartCode wxMacControlUserPaneTrackingProc(ControlRef control, Point startPt, ControlActionUPP actionProc)
2744 {
2745     wxTextCtrl *textCtrl =  wxDynamicCast( wxFindControlFromMacControl(control) , wxTextCtrl ) ;
2746     wxMacMLTEClassicControl * win = textCtrl ? (wxMacMLTEClassicControl*)(textCtrl->GetPeer()) : NULL ;
2747     if ( win )
2748         return win->MacControlUserPaneTrackingProc( startPt.h , startPt.v , (void*) actionProc ) ;
2749     else
2750         return kControlNoPart ;
2751 }
2752
2753 static pascal void wxMacControlUserPaneIdleProc(ControlRef control)
2754 {
2755     wxTextCtrl *textCtrl =  wxDynamicCast( wxFindControlFromMacControl(control) , wxTextCtrl ) ;
2756     wxMacMLTEClassicControl * win = textCtrl ? (wxMacMLTEClassicControl*)(textCtrl->GetPeer()) : NULL ;
2757     if ( win )
2758         win->MacControlUserPaneIdleProc() ;
2759 }
2760
2761 static pascal ControlPartCode wxMacControlUserPaneKeyDownProc(ControlRef control, SInt16 keyCode, SInt16 charCode, SInt16 modifiers)
2762 {
2763     wxTextCtrl *textCtrl =  wxDynamicCast( wxFindControlFromMacControl(control) , wxTextCtrl ) ;
2764     wxMacMLTEClassicControl * win = textCtrl ? (wxMacMLTEClassicControl*)(textCtrl->GetPeer()) : NULL ;
2765     if ( win )
2766         return win->MacControlUserPaneKeyDownProc( keyCode, charCode, modifiers ) ;
2767     else
2768         return kControlNoPart ;
2769 }
2770
2771 static pascal void wxMacControlUserPaneActivateProc(ControlRef control, Boolean activating)
2772 {
2773     wxTextCtrl *textCtrl =  wxDynamicCast( wxFindControlFromMacControl(control) , wxTextCtrl ) ;
2774     wxMacMLTEClassicControl * win = textCtrl ? (wxMacMLTEClassicControl*)(textCtrl->GetPeer()) : NULL ;
2775     if ( win )
2776         win->MacControlUserPaneActivateProc( activating ) ;
2777 }
2778
2779 static pascal ControlPartCode wxMacControlUserPaneFocusProc(ControlRef control, ControlFocusPart action)
2780 {
2781     wxTextCtrl *textCtrl =  wxDynamicCast( wxFindControlFromMacControl(control) , wxTextCtrl ) ;
2782     wxMacMLTEClassicControl * win = textCtrl ? (wxMacMLTEClassicControl*)(textCtrl->GetPeer()) : NULL ;
2783     if ( win )
2784         return win->MacControlUserPaneFocusProc( action ) ;
2785     else
2786         return kControlNoPart ;
2787 }
2788
2789 #if 0
2790 static pascal void wxMacControlUserPaneBackgroundProc(ControlRef control, ControlBackgroundPtr info)
2791 {
2792     wxTextCtrl *textCtrl =  wxDynamicCast( wxFindControlFromMacControl(control) , wxTextCtrl ) ;
2793     wxMacMLTEClassicControl * win = textCtrl ? (wxMacMLTEClassicControl*)(textCtrl->GetPeer()) : NULL ;
2794     if ( win )
2795         win->MacControlUserPaneBackgroundProc(info) ;
2796 }
2797 #endif
2798
2799 // TXNRegisterScrollInfoProc
2800
2801 OSStatus wxMacMLTEClassicControl::DoCreate()
2802 {
2803     Rect bounds;
2804     OSStatus err = noErr ;
2805
2806     // set up our globals
2807     if (gTPDrawProc == NULL) gTPDrawProc = NewControlUserPaneDrawUPP(wxMacControlUserPaneDrawProc);
2808     if (gTPHitProc == NULL) gTPHitProc = NewControlUserPaneHitTestUPP(wxMacControlUserPaneHitTestProc);
2809     if (gTPTrackProc == NULL) gTPTrackProc = NewControlUserPaneTrackingUPP(wxMacControlUserPaneTrackingProc);
2810     if (gTPIdleProc == NULL) gTPIdleProc = NewControlUserPaneIdleUPP(wxMacControlUserPaneIdleProc);
2811     if (gTPKeyProc == NULL) gTPKeyProc = NewControlUserPaneKeyDownUPP(wxMacControlUserPaneKeyDownProc);
2812     if (gTPActivateProc == NULL) gTPActivateProc = NewControlUserPaneActivateUPP(wxMacControlUserPaneActivateProc);
2813     if (gTPFocusProc == NULL) gTPFocusProc = NewControlUserPaneFocusUPP(wxMacControlUserPaneFocusProc);
2814
2815     if (gTXNScrollInfoProc == NULL ) gTXNScrollInfoProc = NewTXNScrollInfoUPP(TXNScrollInfoProc) ;
2816     if (gTXNScrollActionProc == NULL ) gTXNScrollActionProc = NewControlActionUPP(TXNScrollActionProc) ;
2817
2818     // set the initial settings for our private data
2819
2820     m_txnWindow = GetControlOwner(m_controlRef);
2821     m_txnPort = (GrafPtr) GetWindowPort(m_txnWindow);
2822
2823     // set up the user pane procedures
2824     SetControlData(m_controlRef, kControlEntireControl, kControlUserPaneDrawProcTag, sizeof(gTPDrawProc), &gTPDrawProc);
2825     SetControlData(m_controlRef, kControlEntireControl, kControlUserPaneHitTestProcTag, sizeof(gTPHitProc), &gTPHitProc);
2826     SetControlData(m_controlRef, kControlEntireControl, kControlUserPaneTrackingProcTag, sizeof(gTPTrackProc), &gTPTrackProc);
2827     SetControlData(m_controlRef, kControlEntireControl, kControlUserPaneIdleProcTag, sizeof(gTPIdleProc), &gTPIdleProc);
2828     SetControlData(m_controlRef, kControlEntireControl, kControlUserPaneKeyDownProcTag, sizeof(gTPKeyProc), &gTPKeyProc);
2829     SetControlData(m_controlRef, kControlEntireControl, kControlUserPaneActivateProcTag, sizeof(gTPActivateProc), &gTPActivateProc);
2830     SetControlData(m_controlRef, kControlEntireControl, kControlUserPaneFocusProcTag, sizeof(gTPFocusProc), &gTPFocusProc);
2831
2832     // calculate the rectangles used by the control
2833     UMAGetControlBoundsInWindowCoords( m_controlRef, &bounds );
2834
2835     m_txnControlBounds = bounds ;
2836     m_txnVisBounds = bounds ;
2837
2838     CGrafPtr origPort ;
2839     GDHandle origDev ;
2840
2841     GetGWorld( &origPort, &origDev ) ;
2842     SetPort( m_txnPort );
2843
2844     // create the new edit field
2845     TXNFrameOptions frameOptions = FrameOptionsFromWXStyle( m_windowStyle );
2846
2847     // the scrollbars are not correctly embedded but are inserted at the root:
2848     // this gives us problems as we have erratic redraws even over the structure area
2849
2850     m_sbHorizontal = 0 ;
2851     m_sbVertical = 0 ;
2852     m_lastHorizontalValue = 0 ;
2853     m_lastVerticalValue = 0 ;
2854
2855     Rect sb = { 0 , 0 , 0 , 0 } ;
2856     if ( frameOptions & kTXNWantVScrollBarMask )
2857     {
2858         CreateScrollBarControl( m_txnWindow, &sb, 0, 0, 100, 1, true, gTXNScrollActionProc, &m_sbVertical );
2859         SetControlReference( m_sbVertical, (SInt32)this );
2860         SetControlAction( m_sbVertical, gTXNScrollActionProc );
2861         ShowControl( m_sbVertical );
2862         EmbedControl( m_sbVertical , m_controlRef );
2863         frameOptions &= ~kTXNWantVScrollBarMask;
2864     }
2865
2866     if ( frameOptions & kTXNWantHScrollBarMask )
2867     {
2868         CreateScrollBarControl( m_txnWindow, &sb, 0, 0, 100, 1, true, gTXNScrollActionProc, &m_sbHorizontal );
2869         SetControlReference( m_sbHorizontal, (SInt32)this );
2870         SetControlAction( m_sbHorizontal, gTXNScrollActionProc );
2871         ShowControl( m_sbHorizontal );
2872         EmbedControl( m_sbHorizontal, m_controlRef );
2873         frameOptions &= ~(kTXNWantHScrollBarMask | kTXNDrawGrowIconMask);
2874     }
2875
2876     err = TXNNewObject(
2877         NULL, m_txnWindow, &bounds, frameOptions,
2878         kTXNTextEditStyleFrameType, kTXNTextensionFile, kTXNSystemDefaultEncoding,
2879         &m_txn, &m_txnFrameID, NULL );
2880     verify_noerr( err );
2881
2882 #if 0
2883     TXNControlTag iControlTags[] = { kTXNUseCarbonEvents };
2884     TXNControlData iControlData[] = { { (UInt32)&cInfo } };
2885     int toptag = WXSIZEOF( iControlTags ) ;
2886     TXNCarbonEventInfo cInfo ;
2887     cInfo.useCarbonEvents = false ;
2888     cInfo.filler = 0 ;
2889     cInfo.flags = 0 ;
2890     cInfo.fDictionary = NULL ;
2891
2892     verify_noerr( TXNSetTXNObjectControls( m_txn, false, toptag, iControlTags, iControlData ) );
2893 #endif
2894
2895     TXNRegisterScrollInfoProc( m_txn, gTXNScrollInfoProc, (SInt32)this );
2896
2897     SetGWorld( origPort , origDev ) ;
2898
2899     return err;
2900 }
2901 #endif
2902
2903 // ----------------------------------------------------------------------------
2904 // MLTE control implementation (OSX part)
2905 // ----------------------------------------------------------------------------
2906
2907 // tiger multi-line textcontrols with no CR in the entire content
2908 // don't scroll automatically, so we need a hack.
2909 // This attempt only works 'before' the key (ie before CallNextEventHandler)
2910 // is processed, thus the scrolling always occurs one character too late, but
2911 // better than nothing ...
2912
2913 static const EventTypeSpec eventList[] =
2914 {
2915     { kEventClassTextInput, kEventTextInputUnicodeForKeyEvent } ,
2916 } ;
2917
2918 static pascal OSStatus wxMacUnicodeTextEventHandler( EventHandlerCallRef handler , EventRef event , void *data )
2919 {
2920     OSStatus result = eventNotHandledErr ;
2921     wxMacMLTEHIViewControl* focus = (wxMacMLTEHIViewControl*) data ;
2922
2923     switch ( GetEventKind( event ) )
2924     {
2925         case kEventTextInputUnicodeForKeyEvent :
2926         {
2927             TXNOffset from , to ;
2928             TXNGetSelection( focus->GetTXNObject() , &from , &to ) ;
2929             if ( from == to )
2930                 TXNShowSelection( focus->GetTXNObject() , kTXNShowStart );
2931             result = CallNextEventHandler(handler,event);
2932             break;
2933         }
2934         default:
2935             break ;
2936     }
2937
2938     return result ;
2939 }
2940
2941 static pascal OSStatus wxMacTextControlEventHandler( EventHandlerCallRef handler , EventRef event , void *data )
2942 {
2943     OSStatus result = eventNotHandledErr ;
2944
2945     switch ( GetEventClass( event ) )
2946     {
2947         case kEventClassTextInput :
2948             result = wxMacUnicodeTextEventHandler( handler , event , data ) ;
2949             break ;
2950
2951         default :
2952             break ;
2953     }
2954     return result ;
2955 }
2956
2957 DEFINE_ONE_SHOT_HANDLER_GETTER( wxMacTextControlEventHandler )
2958
2959 wxMacMLTEHIViewControl::wxMacMLTEHIViewControl( wxTextCtrl *wxPeer,
2960     const wxString& str,
2961     const wxPoint& pos,
2962     const wxSize& size, long style ) : wxMacMLTEControl( wxPeer )
2963 {
2964     m_font = wxPeer->GetFont() ;
2965     m_windowStyle = style ;
2966     Rect bounds = wxMacGetBoundsForControl( wxPeer , pos , size ) ;
2967     wxString st = str ;
2968     wxMacConvertNewlines10To13( &st ) ;
2969
2970     HIRect hr = {
2971         { bounds.left , bounds.top },
2972         { bounds.right - bounds.left, bounds.bottom - bounds.top } } ;
2973
2974     m_scrollView = NULL ;
2975     TXNFrameOptions frameOptions = FrameOptionsFromWXStyle( style ) ;
2976     if (( frameOptions & (kTXNWantVScrollBarMask | kTXNWantHScrollBarMask)) || !(frameOptions &kTXNSingleLineOnlyMask))
2977     {
2978         if ( frameOptions & (kTXNWantVScrollBarMask | kTXNWantHScrollBarMask) )
2979         {
2980             HIScrollViewCreate(
2981                 (frameOptions & kTXNWantHScrollBarMask ? kHIScrollViewOptionsHorizScroll : 0)
2982                 | (frameOptions & kTXNWantVScrollBarMask ? kHIScrollViewOptionsVertScroll : 0) ,
2983                 &m_scrollView ) ;
2984         }
2985         else
2986         {
2987             HIScrollViewCreate(kHIScrollViewOptionsVertScroll,&m_scrollView);
2988             HIScrollViewSetScrollBarAutoHide(m_scrollView,true);
2989         }
2990
2991         HIViewSetFrame( m_scrollView, &hr );
2992         HIViewSetVisible( m_scrollView, true );
2993     }
2994
2995     m_textView = NULL ;
2996     HITextViewCreate( NULL , 0, frameOptions , &m_textView ) ;
2997     m_txn = HITextViewGetTXNObject( m_textView ) ;
2998     HIViewSetVisible( m_textView , true ) ;
2999     if ( m_scrollView )
3000     {
3001         HIViewAddSubview( m_scrollView , m_textView ) ;
3002         m_controlRef = m_scrollView ;
3003         wxPeer->MacInstallEventHandler( (WXWidget) m_textView ) ;
3004     }
3005     else
3006     {
3007         HIViewSetFrame( m_textView, &hr );
3008         m_controlRef = m_textView ;
3009     }
3010
3011     AdjustCreationAttributes( *wxWHITE , true ) ;
3012 #ifndef __LP64__
3013     wxMacWindowClipper c( m_peer ) ;
3014 #endif
3015     SetTXNData( st , kTXNStartOffset, kTXNEndOffset ) ;
3016
3017     TXNSetSelection( m_txn, 0, 0 );
3018     TXNShowSelection( m_txn, kTXNShowStart );
3019
3020     InstallControlEventHandler( m_textView , GetwxMacTextControlEventHandlerUPP(),
3021                                 GetEventTypeCount(eventList), eventList, this,
3022                                 NULL);
3023 }
3024
3025 wxMacMLTEHIViewControl::~wxMacMLTEHIViewControl()
3026 {
3027 }
3028
3029 OSStatus wxMacMLTEHIViewControl::SetFocus( ControlFocusPart focusPart )
3030 {
3031     return SetKeyboardFocus( GetControlOwner( m_textView ), m_textView, focusPart ) ;
3032 }
3033
3034 bool wxMacMLTEHIViewControl::HasFocus() const
3035 {
3036     ControlRef control ;
3037     if ( GetUserFocusWindow() == NULL )
3038         return false;
3039
3040     GetKeyboardFocus( GetUserFocusWindow() , &control ) ;
3041     return control == m_textView ;
3042 }
3043
3044 void wxMacMLTEHIViewControl::SetBackground( const wxBrush &brush )
3045 {
3046     wxMacMLTEControl::SetBackground( brush ) ;
3047
3048 #if 0
3049     CGColorSpaceRef rgbSpace = CGColorSpaceCreateDeviceRGB();
3050     RGBColor col;
3051     brush.GetColour().GetRGBColor(&col) ;
3052
3053     float component[4] ;
3054     component[0] = col.red / 65536.0 ;
3055     component[1] = col.green / 65536.0 ;
3056     component[2] = col.blue / 65536.0 ;
3057     component[3] = 1.0 ; // alpha
3058
3059     CGColorRef color = CGColorCreate( rgbSpace , component );
3060     HITextViewSetBackgroundColor( m_textView , color );
3061     CGColorSpaceRelease( rgbSpace );
3062 #endif
3063 }
3064
3065 #endif // wxUSE_TEXTCTRL