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 #endif
  21
  22 #ifdef __DARWIN__
  23     #include <sys/types.h>
  24     #include <sys/stat.h>
  25 #else
  26     #include <stat.h>
  27 #endif
  28
  29 #include "wx/msgdlg.h"
  30
  31 #if wxUSE_STD_IOSTREAM
  32     #if wxUSE_IOSTREAMH
  33         #include <fstream.h>
  34     #else
  35         #include <fstream>
  36     #endif
  37 #endif
  38
  39 #include "wx/app.h"
  40 #include "wx/dc.h"
  41 #include "wx/button.h"
  42 #include "wx/toplevel.h"
  43 #include "wx/settings.h"
  44 #include "wx/filefn.h"
  45 #include "wx/utils.h"
  46 #include "wx/sysopt.h"
  47 #include "wx/menu.h"
  48
  49 #if defined(__BORLANDC__) && !defined(__WIN32__)
  50   #include <alloc.h>
  51 #elif !defined(__MWERKS__) && !defined(__GNUWIN32) && !defined(__DARWIN__)
  52   #include <malloc.h>
  53 #endif
  54
  55 #ifndef __DARWIN__
  56 #include <Scrap.h>
  57 #endif
  58
  59 #ifndef __DARWIN__
  60 #include <MacTextEditor.h>
  61 #include <ATSUnicode.h>
  62 #include <TextCommon.h>
  63 #include <TextEncodingConverter.h>
  64 #endif
  65
  66 #include "wx/mac/uma.h"
  67
  68
  69 // if this is set to 1 then under OSX 10.2 the 'classic' MLTE implementation will be used
  70 // if set to 0 then the unicode textctrl will be used
  71 #ifndef wxMAC_AWAYS_USE_MLTE
  72 #define wxMAC_AWAYS_USE_MLTE 1
  73 #endif
  74
  75 #ifndef __WXMAC_OSX__
  76 enum
  77 {
  78     kTXNVisibilityTag = 'visb' // set the visibility state of the object
  79 };
  80 #endif
  81
  82
  83 class wxMacFunctor
  84 {
  85 public :
  86     wxMacFunctor() {}
  87     virtual ~wxMacFunctor() {}
  88
  89     virtual void* operator()() = 0 ;
  90
  91     static void* CallBackProc( void *param )
  92     {
  93         wxMacFunctor* f = (wxMacFunctor*) param ;
  94         void *result = (*f)() ;
  95         return result ;
  96     }
  97 } ;
  98
  99 template<typename classtype, typename param1type>
 100
 101 class wxMacObjectFunctor1 : public wxMacFunctor
 102 {
 103     typedef void (classtype::*function)( param1type p1 ) ;
 104     typedef void (classtype::*ref_function)( const param1type& p1 ) ;
 105 public :
 106     wxMacObjectFunctor1( classtype *obj , function f , param1type p1 ) :
 107         wxMacFunctor()
 108     {
 109         m_object = obj ;
 110         m_function = f ;
 111         m_param1 = p1 ;
 112     }
 113
 114     wxMacObjectFunctor1( classtype *obj , ref_function f , param1type p1 ) :
 115         wxMacFunctor()
 116     {
 117         m_object = obj ;
 118         m_refFunction = f ;
 119         m_param1 = p1 ;
 120     }
 121
 122     ~wxMacObjectFunctor1() {}
 123
 124     virtual void* operator()()
 125     {
 126         (m_object->*m_function)( m_param1 ) ;
 127         return NULL ;
 128     }
 129
 130 private :
 131     classtype* m_object ;
 132     param1type m_param1 ;
 133     union
 134     {
 135         function m_function ;
 136         ref_function m_refFunction ;
 137     } ;
 138 } ;
 139
 140 template<typename classtype, typename param1type>
 141 void* wxMacMPRemoteCall( classtype *object , void (classtype::*function)( param1type p1 ) , param1type p1 )
 142 {
 143     wxMacObjectFunctor1<classtype, param1type> params(object, function, p1) ;
 144     void *result =
 145         MPRemoteCall( wxMacFunctor::CallBackProc , &params , kMPOwningProcessRemoteContext ) ;
 146     return result ;
 147 }
 148
 149 template<typename classtype, typename param1type>
 150 void* wxMacMPRemoteCall( classtype *object , void (classtype::*function)( const param1type& p1 ) , param1type p1 )
 151 {
 152     wxMacObjectFunctor1<classtype,param1type> params(object, function, p1) ;
 153     void *result =
 154         MPRemoteCall( wxMacFunctor::CallBackProc , &params , kMPOwningProcessRemoteContext ) ;
 155     return result ;
 156 }
 157
 158 template<typename classtype, typename param1type>
 159 void* wxMacMPRemoteGUICall( classtype *object , void (classtype::*function)( param1type p1 ) , param1type p1 )
 160 {
 161     wxMutexGuiLeave() ;
 162     void *result = wxMacMPRemoteCall( object , function , p1 ) ;
 163     wxMutexGuiEnter() ;
 164     return result ;
 165 }
 166
 167 template<typename classtype, typename param1type>
 168 void* wxMacMPRemoteGUICall( classtype *object , void (classtype::*function)( const param1type& p1 ) , param1type p1 )
 169 {
 170     wxMutexGuiLeave() ;
 171     void *result = wxMacMPRemoteCall( object , function , p1 ) ;
 172     wxMutexGuiEnter() ;
 173     return result ;
 174 }
 175
 176 // common interface for all implementations
 177 class wxMacTextControl : public wxMacControl
 178 {
 179 public :
 180     wxMacTextControl( wxTextCtrl *peer ) ;
 181     ~wxMacTextControl() ;
 182
 183     virtual wxString GetStringValue() const = 0 ;
 184     virtual void SetStringValue( const wxString &val ) = 0 ;
 185     virtual void SetSelection( long from, long to ) = 0 ;
 186     virtual void GetSelection( long* from, long* to ) const = 0 ;
 187     virtual void WriteText( const wxString& str ) = 0 ;
 188
 189     virtual void SetStyle( long start, long end, const wxTextAttr& style ) ;
 190     virtual void Copy() ;
 191     virtual void Cut() ;
 192     virtual void Paste() ;
 193     virtual bool CanPaste() const ;
 194     virtual void SetEditable( bool editable ) ;
 195     virtual wxTextPos GetLastPosition() const ;
 196     virtual void Replace( long from, long to, const wxString &str ) ;
 197     virtual void Remove( long from, long to ) ;
 198
 199
 200     virtual bool HasOwnContextMenu() const
 201     { return false ; }
 202
 203     virtual bool SetupCursor( const wxPoint& pt )
 204     { return false ; }
 205
 206     virtual void Clear() ;
 207     virtual bool CanUndo() const;
 208     virtual void Undo() ;
 209     virtual bool CanRedo() const;
 210     virtual void Redo() ;
 211     virtual int GetNumberOfLines() const ;
 212     virtual long XYToPosition(long x, long y) const;
 213     virtual bool PositionToXY(long pos, long *x, long *y) const ;
 214     virtual void ShowPosition(long WXUNUSED(pos)) ;
 215     virtual int GetLineLength(long lineNo) const ;
 216     virtual wxString GetLineText(long lineNo) const ;
 217
 218 #ifndef __WXMAC_OSX__
 219     virtual void            MacControlUserPaneDrawProc(wxInt16 part) = 0 ;
 220     virtual wxInt16         MacControlUserPaneHitTestProc(wxInt16 x, wxInt16 y) = 0 ;
 221     virtual wxInt16         MacControlUserPaneTrackingProc(wxInt16 x, wxInt16 y, void* actionProc) = 0 ;
 222     virtual void            MacControlUserPaneIdleProc() = 0 ;
 223     virtual wxInt16         MacControlUserPaneKeyDownProc(wxInt16 keyCode, wxInt16 charCode, wxInt16 modifiers) = 0 ;
 224     virtual void            MacControlUserPaneActivateProc(bool activating) = 0 ;
 225     virtual wxInt16         MacControlUserPaneFocusProc(wxInt16 action) = 0 ;
 226     virtual void            MacControlUserPaneBackgroundProc(void* info) = 0 ;
 227 #endif
 228 } ;
 229
 230 // common parts for implementations based on MLTE
 231
 232 class wxMacMLTEControl : public wxMacTextControl
 233 {
 234 public :
 235     wxMacMLTEControl( wxTextCtrl *peer ) ;
 236
 237     virtual wxString GetStringValue() const ;
 238     virtual void SetStringValue( const wxString &str ) ;
 239
 240     static TXNFrameOptions FrameOptionsFromWXStyle( long wxStyle ) ;
 241
 242     void AdjustCreationAttributes( const wxColour& background, bool visible ) ;
 243
 244     virtual void SetFont( const wxFont & font, const wxColour& foreground, long windowStyle ) ;
 245     virtual void SetBackground( const wxBrush &brush ) ;
 246     virtual void SetStyle( long start, long end, const wxTextAttr& style ) ;
 247     virtual void Copy() ;
 248     virtual void Cut() ;
 249     virtual void Paste() ;
 250     virtual bool CanPaste() const ;
 251     virtual void SetEditable( bool editable ) ;
 252     virtual wxTextPos GetLastPosition() const ;
 253     virtual void Replace( long from, long to, const wxString &str ) ;
 254     virtual void Remove( long from, long to ) ;
 255     virtual void GetSelection( long* from, long* to ) const ;
 256     virtual void SetSelection( long from, long to ) ;
 257
 258     virtual void WriteText( const wxString& str ) ;
 259
 260     virtual bool HasOwnContextMenu() const
 261     {
 262 #if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_4
 263         if ( UMAGetSystemVersion() >= 0x1040 )
 264         {
 265             TXNCommandEventSupportOptions options ;
 266             TXNGetCommandEventSupport( m_txn , & options ) ;
 267             return options & kTXNSupportEditCommandProcessing ;
 268         }
 269 #endif
 270
 271         return false ;
 272     }
 273
 274     virtual void Clear() ;
 275
 276     virtual bool CanUndo() const ;
 277     virtual void Undo() ;
 278     virtual bool CanRedo()  const;
 279     virtual void Redo() ;
 280     virtual int GetNumberOfLines() const ;
 281     virtual long XYToPosition(long x, long y) const ;
 282     virtual bool PositionToXY(long pos, long *x, long *y) const ;
 283     virtual void ShowPosition( long pos ) ;
 284     virtual int GetLineLength(long lineNo) const ;
 285     virtual wxString GetLineText(long lineNo) const ;
 286
 287     void SetTXNData( const wxString& st , TXNOffset start , TXNOffset end ) ;
 288
 289 protected :
 290     void TXNSetAttribute( const wxTextAttr& style , long from , long to ) ;
 291
 292     TXNObject m_txn ;
 293 } ;
 294
 295 #if TARGET_API_MAC_OSX
 296
 297 // implementation available under OSX
 298
 299 #if MAC_OS_X_VERSION_MAX_ALLOWED > MAC_OS_X_VERSION_10_2
 300
 301 class wxMacMLTEHIViewControl : public wxMacMLTEControl
 302 {
 303 public :
 304     wxMacMLTEHIViewControl( wxTextCtrl *wxPeer,
 305                              const wxString& str,
 306                              const wxPoint& pos,
 307                              const wxSize& size, long style ) ;
 308     virtual OSStatus SetFocus( ControlFocusPart focusPart ) ;
 309     virtual bool HasFocus() const ;
 310     virtual void SetBackground( const wxBrush &brush) ;
 311
 312 protected :
 313     HIViewRef m_scrollView ;
 314     HIViewRef m_textView ;
 315 };
 316
 317 #endif
 318
 319 class wxMacUnicodeTextControl : public wxMacTextControl
 320 {
 321 public :
 322     wxMacUnicodeTextControl( wxTextCtrl *wxPeer,
 323                              const wxString& str,
 324                              const wxPoint& pos,
 325                              const wxSize& size, long style ) ;
 326     ~wxMacUnicodeTextControl();
 327
 328     virtual void VisibilityChanged(bool shown);
 329     virtual wxString GetStringValue() const ;
 330     virtual void SetStringValue( const wxString &str) ;
 331     virtual void Copy();
 332     virtual void Cut();
 333     virtual void Paste();
 334     virtual bool CanPaste() const;
 335     virtual void SetEditable(bool editable) ;
 336     virtual void GetSelection( long* from, long* to) const ;
 337     virtual void SetSelection( long from , long to ) ;
 338     virtual void WriteText(const wxString& str) ;
 339
 340 protected :
 341     // contains the tag for the content (is different for password and non-password controls)
 342     OSType m_valueTag ;
 343 };
 344
 345 #endif
 346
 347 // 'classic' MLTE implementation
 348
 349 class wxMacMLTEClassicControl : public wxMacMLTEControl
 350 {
 351 public :
 352     wxMacMLTEClassicControl( wxTextCtrl *wxPeer,
 353                              const wxString& str,
 354                              const wxPoint& pos,
 355                              const wxSize& size, long style ) ;
 356     ~wxMacMLTEClassicControl() ;
 357
 358     virtual void VisibilityChanged(bool shown) ;
 359     virtual void SuperChangedPosition() ;
 360
 361     virtual void            MacControlUserPaneDrawProc(wxInt16 part) ;
 362     virtual wxInt16         MacControlUserPaneHitTestProc(wxInt16 x, wxInt16 y) ;
 363     virtual wxInt16         MacControlUserPaneTrackingProc(wxInt16 x, wxInt16 y, void* actionProc) ;
 364     virtual void            MacControlUserPaneIdleProc() ;
 365     virtual wxInt16         MacControlUserPaneKeyDownProc(wxInt16 keyCode, wxInt16 charCode, wxInt16 modifiers) ;
 366     virtual void            MacControlUserPaneActivateProc(bool activating) ;
 367     virtual wxInt16         MacControlUserPaneFocusProc(wxInt16 action) ;
 368     virtual void            MacControlUserPaneBackgroundProc(void* info) ;
 369
 370     virtual bool SetupCursor( const wxPoint& WXUNUSED(pt) )
 371     {
 372         MacControlUserPaneIdleProc();
 373         return true;
 374     }
 375
 376     virtual void            SetRect( Rect *r ) ;
 377
 378 protected :
 379     OSStatus                 DoCreate();
 380
 381     void                    MacUpdatePosition() ;
 382     void                    MacActivatePaneText(bool setActive) ;
 383     void                    MacFocusPaneText(bool setFocus) ;
 384     void                    MacSetObjectVisibility(bool vis) ;
 385
 386 private :
 387     TXNFrameID              m_txnFrameID ;
 388     GrafPtr                 m_txnPort ;
 389     WindowRef               m_txnWindow ;
 390     // bounds of the control as we last did set the txn frames
 391     Rect                    m_txnControlBounds ;
 392     Rect                    m_txnVisBounds ;
 393
 394 #ifdef __WXMAC_OSX__
 395     static pascal void TXNScrollActionProc( ControlRef controlRef , ControlPartCode partCode ) ;
 396     static pascal void TXNScrollInfoProc(
 397         SInt32 iValue, SInt32 iMaximumValue,
 398         TXNScrollBarOrientation iScrollBarOrientation, SInt32 iRefCon ) ;
 399
 400     ControlRef              m_sbHorizontal ;
 401     SInt32                  m_lastHorizontalValue ;
 402     ControlRef              m_sbVertical ;
 403     SInt32                  m_lastVerticalValue ;
 404 #endif
 405 };
 406
 407
 408 IMPLEMENT_DYNAMIC_CLASS(wxTextCtrl, wxControl)
 409
 410 BEGIN_EVENT_TABLE(wxTextCtrl, wxControl)
 411     EVT_ERASE_BACKGROUND( wxTextCtrl::OnEraseBackground )
 412     EVT_DROP_FILES(wxTextCtrl::OnDropFiles)
 413     EVT_CHAR(wxTextCtrl::OnChar)
 414     EVT_MENU(wxID_CUT, wxTextCtrl::OnCut)
 415     EVT_MENU(wxID_COPY, wxTextCtrl::OnCopy)
 416     EVT_MENU(wxID_PASTE, wxTextCtrl::OnPaste)
 417     EVT_MENU(wxID_UNDO, wxTextCtrl::OnUndo)
 418     EVT_MENU(wxID_REDO, wxTextCtrl::OnRedo)
 419     EVT_MENU(wxID_CLEAR, wxTextCtrl::OnDelete)
 420     EVT_MENU(wxID_SELECTALL, wxTextCtrl::OnSelectAll)
 421
 422     EVT_CONTEXT_MENU(wxTextCtrl::OnContextMenu)
 423
 424     EVT_UPDATE_UI(wxID_CUT, wxTextCtrl::OnUpdateCut)
 425     EVT_UPDATE_UI(wxID_COPY, wxTextCtrl::OnUpdateCopy)
 426     EVT_UPDATE_UI(wxID_PASTE, wxTextCtrl::OnUpdatePaste)
 427     EVT_UPDATE_UI(wxID_UNDO, wxTextCtrl::OnUpdateUndo)
 428     EVT_UPDATE_UI(wxID_REDO, wxTextCtrl::OnUpdateRedo)
 429     EVT_UPDATE_UI(wxID_CLEAR, wxTextCtrl::OnUpdateDelete)
 430     EVT_UPDATE_UI(wxID_SELECTALL, wxTextCtrl::OnUpdateSelectAll)
 431 END_EVENT_TABLE()
 432
 433
 434 void wxTextCtrl::Init()
 435 {
 436     m_editable = true ;
 437     m_dirty = false;
 438
 439     m_maxLength = 0;
 440     m_privateContextMenu = NULL;
 441     m_triggerOnSetValue = true ;
 442 }
 443
 444 wxTextCtrl::~wxTextCtrl()
 445 {
 446     delete m_privateContextMenu;
 447 }
 448
 449 bool wxTextCtrl::Create( wxWindow *parent,
 450     wxWindowID id,
 451     const wxString& str,
 452     const wxPoint& pos,
 453     const wxSize& size,
 454     long style,
 455     const wxValidator& validator,
 456     const wxString& name )
 457 {
 458     m_macIsUserPane = false ;
 459     m_editable = true ;
 460
 461     if ( ! (style & wxNO_BORDER) )
 462         style = (style & ~wxBORDER_MASK) | wxSUNKEN_BORDER ;
 463
 464     if ( !wxTextCtrlBase::Create( parent, id, pos, size, style & ~(wxHSCROLL | wxVSCROLL), validator, name ) )
 465         return false;
 466
 467     if ( m_windowStyle & wxTE_MULTILINE )
 468     {
 469         wxASSERT_MSG(
 470             !(m_windowStyle & wxTE_PROCESS_ENTER),
 471             wxT("wxTE_PROCESS_ENTER style is ignored for multiline text controls (they always process it)") );
 472
 473         m_windowStyle |= wxTE_PROCESS_ENTER;
 474         style |= wxTE_PROCESS_ENTER ;
 475     }
 476
 477     bool forceMLTE = false ;
 478
 479 #if wxUSE_SYSTEM_OPTIONS
 480     if (wxSystemOptions::HasOption( wxMAC_TEXTCONTROL_USE_MLTE ) && (wxSystemOptions::GetOptionInt( wxMAC_TEXTCONTROL_USE_MLTE ) == 1))
 481     {
 482         forceMLTE = true ;
 483     }
 484 #endif
 485
 486 #ifdef __WXMAC_OSX__
 487 #if MAC_OS_X_VERSION_MAX_ALLOWED > MAC_OS_X_VERSION_10_2
 488     if ( UMAGetSystemVersion() >= 0x1030 && !forceMLTE )
 489     {
 490         if ( m_windowStyle & wxTE_MULTILINE )
 491             m_peer = new wxMacMLTEHIViewControl( this , str , pos , size , style ) ;
 492     }
 493 #endif
 494
 495     if ( !m_peer )
 496     {
 497         if ( !(m_windowStyle & wxTE_MULTILINE) && !forceMLTE )
 498             m_peer = new wxMacUnicodeTextControl( this , str , pos , size , style ) ;
 499     }
 500 #endif
 501
 502     if ( !m_peer )
 503         m_peer = new wxMacMLTEClassicControl( this , str , pos , size , style ) ;
 504
 505     MacPostControlCreate(pos, size) ;
 506
 507     // only now the embedding is correct and we can do a positioning update
 508
 509     MacSuperChangedPosition() ;
 510
 511     if ( m_windowStyle & wxTE_READONLY)
 512         SetEditable( false ) ;
 513
 514     SetCursor( wxCursor( wxCURSOR_IBEAM ) ) ;
 515
 516     return true;
 517 }
 518
 519 void wxTextCtrl::MacSuperChangedPosition()
 520 {
 521     wxWindow::MacSuperChangedPosition() ;
 522     GetPeer()->SuperChangedPosition() ;
 523 }
 524
 525 void wxTextCtrl::MacVisibilityChanged()
 526 {
 527     GetPeer()->VisibilityChanged( MacIsReallyShown() ) ;
 528 }
 529
 530 void wxTextCtrl::MacEnabledStateChanged()
 531 {
 532 }
 533
 534 wxString wxTextCtrl::GetValue() const
 535 {
 536     return GetPeer()->GetStringValue() ;
 537 }
 538
 539 void wxTextCtrl::GetSelection(long* from, long* to) const
 540 {
 541     GetPeer()->GetSelection( from , to ) ;
 542 }
 543
 544 void wxTextCtrl::SetValue(const wxString& str)
 545 {
 546     // optimize redraws
 547     if ( GetValue() == str )
 548         return ;
 549
 550     GetPeer()->SetStringValue( str ) ;
 551
 552     if ( m_triggerOnSetValue )
 553     {
 554         wxCommandEvent event( wxEVT_COMMAND_TEXT_UPDATED, m_windowId );
 555         event.SetString( GetValue() );
 556         event.SetEventObject( this );
 557         GetEventHandler()->ProcessEvent( event );
 558     }
 559 }
 560
 561 void wxTextCtrl::SetMaxLength(unsigned long len)
 562 {
 563     m_maxLength = len ;
 564 }
 565
 566 bool wxTextCtrl::SetFont( const wxFont& font )
 567 {
 568     if ( !wxTextCtrlBase::SetFont( font ) )
 569         return false ;
 570
 571     GetPeer()->SetFont( font , GetForegroundColour() , GetWindowStyle() ) ;
 572
 573     return true ;
 574 }
 575
 576 bool wxTextCtrl::SetStyle(long start, long end, const wxTextAttr& style)
 577 {
 578     GetPeer()->SetStyle( start , end , style ) ;
 579
 580     return true ;
 581 }
 582
 583 bool wxTextCtrl::SetDefaultStyle(const wxTextAttr& style)
 584 {
 585     wxTextCtrlBase::SetDefaultStyle( style ) ;
 586     SetStyle( kTXNUseCurrentSelection , kTXNUseCurrentSelection , GetDefaultStyle() ) ;
 587
 588     return true ;
 589 }
 590
 591 // Clipboard operations
 592
 593 void wxTextCtrl::Copy()
 594 {
 595     if (CanCopy())
 596         GetPeer()->Copy() ;
 597 }
 598
 599 void wxTextCtrl::Cut()
 600 {
 601     if (CanCut())
 602     {
 603         GetPeer()->Cut() ;
 604
 605         wxCommandEvent event( wxEVT_COMMAND_TEXT_UPDATED, m_windowId );
 606         event.SetEventObject( this );
 607         GetEventHandler()->ProcessEvent( event );
 608       }
 609 }
 610
 611 void wxTextCtrl::Paste()
 612 {
 613     if (CanPaste())
 614     {
 615         GetPeer()->Paste() ;
 616
 617         // TODO: eventually we should add setting the default style again
 618
 619         wxCommandEvent event( wxEVT_COMMAND_TEXT_UPDATED, m_windowId );
 620         event.SetEventObject( this );
 621         GetEventHandler()->ProcessEvent( event );
 622     }
 623 }
 624
 625 bool wxTextCtrl::CanCopy() const
 626 {
 627     // Can copy if there's a selection
 628     long from, to;
 629     GetSelection( &from, &to );
 630
 631     return (from != to);
 632 }
 633
 634 bool wxTextCtrl::CanCut() const
 635 {
 636     if ( !IsEditable() )
 637         return false;
 638
 639     // Can cut if there's a selection
 640     long from, to;
 641     GetSelection( &from, &to );
 642
 643     return (from != to);
 644 }
 645
 646 bool wxTextCtrl::CanPaste() const
 647 {
 648     if (!IsEditable())
 649         return false;
 650
 651     return GetPeer()->CanPaste() ;
 652 }
 653
 654 void wxTextCtrl::SetEditable(bool editable)
 655 {
 656     if ( editable != m_editable )
 657     {
 658         m_editable = editable ;
 659         GetPeer()->SetEditable( editable ) ;
 660     }
 661 }
 662
 663 void wxTextCtrl::SetInsertionPoint(long pos)
 664 {
 665     SetSelection( pos , pos ) ;
 666 }
 667
 668 void wxTextCtrl::SetInsertionPointEnd()
 669 {
 670     wxTextPos pos = GetLastPosition();
 671     SetInsertionPoint( pos );
 672 }
 673
 674 long wxTextCtrl::GetInsertionPoint() const
 675 {
 676     long begin, end ;
 677     GetSelection( &begin , &end ) ;
 678
 679     return begin ;
 680 }
 681
 682 wxTextPos wxTextCtrl::GetLastPosition() const
 683 {
 684     return GetPeer()->GetLastPosition() ;
 685 }
 686
 687 void wxTextCtrl::Replace(long from, long to, const wxString& str)
 688 {
 689     GetPeer()->Replace( from , to , str ) ;
 690 }
 691
 692 void wxTextCtrl::Remove(long from, long to)
 693 {
 694     GetPeer()->Remove( from , to ) ;
 695 }
 696
 697 void wxTextCtrl::SetSelection(long from, long to)
 698 {
 699     GetPeer()->SetSelection( from , to ) ;
 700 }
 701
 702 bool wxTextCtrl::LoadFile(const wxString& file)
 703 {
 704     return wxTextCtrlBase::LoadFile( file );
 705 }
 706
 707 void wxTextCtrl::WriteText(const wxString& str)
 708 {
 709     // TODO: this MPRemoting will be moved into a remoting peer proxy for any command
 710     if ( !wxIsMainThread() )
 711     {
 712         // unfortunately CW 8 is not able to correctly deduce the template types,
 713         // so we have to instantiate explicitly
 714         wxMacMPRemoteGUICall<wxTextCtrl,wxString>( this , &wxTextCtrl::WriteText , str ) ;
 715
 716         return ;
 717     }
 718
 719     GetPeer()->WriteText( str ) ;
 720 }
 721
 722 void wxTextCtrl::AppendText(const wxString& text)
 723 {
 724     SetInsertionPointEnd();
 725     WriteText( text );
 726 }
 727
 728 void wxTextCtrl::Clear()
 729 {
 730     GetPeer()->Clear() ;
 731 }
 732
 733 bool wxTextCtrl::IsModified() const
 734 {
 735     return m_dirty;
 736 }
 737
 738 bool wxTextCtrl::IsEditable() const
 739 {
 740     return IsEnabled() && m_editable ;
 741 }
 742
 743 bool wxTextCtrl::AcceptsFocus() const
 744 {
 745     // we don't want focus if we can't be edited
 746     return /*IsEditable() && */ wxControl::AcceptsFocus();
 747 }
 748
 749 wxSize wxTextCtrl::DoGetBestSize() const
 750 {
 751     int wText, hText;
 752
 753     // these are the numbers from the HIG:
 754     // we reduce them by the borders first
 755     wText = 100 ;
 756
 757     switch ( m_windowVariant )
 758     {
 759         case wxWINDOW_VARIANT_NORMAL :
 760             hText = 22 - 6 ;
 761             break ;
 762
 763         case wxWINDOW_VARIANT_SMALL :
 764             hText = 19 - 6 ;
 765             break ;
 766
 767         case wxWINDOW_VARIANT_MINI :
 768             hText = 15 - 6 ;
 769             break ;
 770
 771         default :
 772             hText = 22 - 6;
 773             break ;
 774     }
 775
 776     // as the above numbers have some free space around the text
 777     // we get 5 lines like this anyway
 778     if ( m_windowStyle & wxTE_MULTILINE )
 779          hText *= 5 ;
 780
 781     if ( !HasFlag(wxNO_BORDER) )
 782         hText += 6 ;
 783
 784     return wxSize(wText, hText);
 785 }
 786
 787 // ----------------------------------------------------------------------------
 788 // Undo/redo
 789 // ----------------------------------------------------------------------------
 790
 791 void wxTextCtrl::Undo()
 792 {
 793     if (CanUndo())
 794         GetPeer()->Undo() ;
 795 }
 796
 797 void wxTextCtrl::Redo()
 798 {
 799     if (CanRedo())
 800         GetPeer()->Redo() ;
 801 }
 802
 803 bool wxTextCtrl::CanUndo() const
 804 {
 805     if ( !IsEditable() )
 806         return false ;
 807
 808     return GetPeer()->CanUndo() ;
 809 }
 810
 811 bool wxTextCtrl::CanRedo() const
 812 {
 813     if ( !IsEditable() )
 814         return false ;
 815
 816     return GetPeer()->CanRedo() ;
 817 }
 818
 819 void wxTextCtrl::MarkDirty()
 820 {
 821     m_dirty = true;
 822 }
 823
 824 void wxTextCtrl::DiscardEdits()
 825 {
 826     m_dirty = false;
 827 }
 828
 829 int wxTextCtrl::GetNumberOfLines() const
 830 {
 831     return GetPeer()->GetNumberOfLines() ;
 832 }
 833
 834 long wxTextCtrl::XYToPosition(long x, long y) const
 835 {
 836     return GetPeer()->XYToPosition( x , y ) ;
 837 }
 838
 839 bool wxTextCtrl::PositionToXY(long pos, long *x, long *y) const
 840 {
 841     return GetPeer()->PositionToXY( pos , x , y ) ;
 842 }
 843
 844 void wxTextCtrl::ShowPosition(long pos)
 845 {
 846     return GetPeer()->ShowPosition(pos) ;
 847 }
 848
 849 int wxTextCtrl::GetLineLength(long lineNo) const
 850 {
 851     return GetPeer()->GetLineLength(lineNo) ;
 852 }
 853
 854 wxString wxTextCtrl::GetLineText(long lineNo) const
 855 {
 856     return GetPeer()->GetLineText(lineNo) ;
 857 }
 858
 859 void wxTextCtrl::Command(wxCommandEvent & event)
 860 {
 861     SetValue(event.GetString());
 862     ProcessCommand(event);
 863 }
 864
 865 void wxTextCtrl::OnDropFiles(wxDropFilesEvent& event)
 866 {
 867     // By default, load the first file into the text window.
 868     if (event.GetNumberOfFiles() > 0)
 869         LoadFile( event.GetFiles()[0] );
 870 }
 871
 872 void wxTextCtrl::OnEraseBackground(wxEraseEvent& event)
 873 {
 874     // all erasing should be done by the real mac control implementation
 875     // while this is true for MLTE under classic, the HITextView is somehow
 876     // transparent but background erase is not working correctly, so intercept
 877     // things while we can...
 878     event.Skip() ;
 879 }
 880
 881 void wxTextCtrl::OnChar(wxKeyEvent& event)
 882 {
 883     int key = event.GetKeyCode() ;
 884     bool eat_key = false ;
 885
 886     if ( key == 'a' && event.MetaDown() )
 887     {
 888         SelectAll() ;
 889
 890         return ;
 891     }
 892
 893     if ( key == 'c' && event.MetaDown() )
 894     {
 895         if ( CanCopy() )
 896             Copy() ;
 897
 898         return ;
 899     }
 900
 901     if ( !IsEditable() && key != WXK_LEFT && key != WXK_RIGHT && key != WXK_DOWN && key != WXK_UP && key != WXK_TAB &&
 902         !( key == WXK_RETURN && ( (m_windowStyle & wxTE_PROCESS_ENTER) || (m_windowStyle & wxTE_MULTILINE) ) )
 903 //        && key != WXK_PAGEUP && key != WXK_PAGEDOWN && key != WXK_HOME && key != WXK_END
 904         )
 905     {
 906         // eat it
 907         return ;
 908     }
 909
 910     // Check if we have reached the max # of chars (if it is set), but still
 911     // allow navigation and deletion
 912     if ( !IsMultiLine() && m_maxLength && GetValue().length() >= m_maxLength &&
 913         key != WXK_LEFT && key != WXK_RIGHT && key != WXK_TAB &&
 914         key != WXK_BACK && !( key == WXK_RETURN && (m_windowStyle & wxTE_PROCESS_ENTER) )
 915        )
 916     {
 917         // eat it, we don't want to add more than allowed # of characters
 918
 919         // TODO: generate EVT_TEXT_MAXLEN()
 920         return;
 921     }
 922
 923     // assume that any key not processed yet is going to modify the control
 924     m_dirty = true;
 925
 926     if ( key == 'v' && event.MetaDown() )
 927     {
 928         if ( CanPaste() )
 929             Paste() ;
 930
 931         return ;
 932     }
 933
 934     if ( key == 'x' && event.MetaDown() )
 935     {
 936         if ( CanCut() )
 937             Cut() ;
 938
 939         return ;
 940     }
 941
 942     switch ( key )
 943     {
 944         case WXK_RETURN:
 945             if (m_windowStyle & wxTE_PROCESS_ENTER)
 946             {
 947                 wxCommandEvent event(wxEVT_COMMAND_TEXT_ENTER, m_windowId);
 948                 event.SetEventObject( this );
 949                 event.SetString( GetValue() );
 950                 if ( GetEventHandler()->ProcessEvent(event) )
 951                     return;
 952             }
 953
 954             if ( !(m_windowStyle & wxTE_MULTILINE) )
 955             {
 956                 wxWindow *parent = GetParent();
 957                 while ( parent && !parent->IsTopLevel() && parent->GetDefaultItem() == NULL )
 958                 {
 959                     parent = parent->GetParent() ;
 960                 }
 961
 962                 if ( parent && parent->GetDefaultItem() )
 963                 {
 964                     wxButton *def = wxDynamicCast(parent->GetDefaultItem(), wxButton);
 965                     if ( def && def->IsEnabled() )
 966                     {
 967                         wxCommandEvent event(wxEVT_COMMAND_BUTTON_CLICKED, def->GetId() );
 968                         event.SetEventObject(def);
 969                         def->Command(event);
 970
 971                         return ;
 972                     }
 973                 }
 974
 975                 // this will make wxWidgets eat the ENTER key so that
 976                 // we actually prevent line wrapping in a single line text control
 977                 eat_key = true;
 978             }
 979             break;
 980
 981         case WXK_TAB:
 982             if ( !(m_windowStyle & wxTE_PROCESS_TAB))
 983             {
 984                 int flags = 0;
 985                 if (!event.ShiftDown())
 986                     flags |= wxNavigationKeyEvent::IsForward ;
 987                 if (event.ControlDown())
 988                     flags |= wxNavigationKeyEvent::WinChange ;
 989                 Navigate(flags);
 990
 991                 return;
 992             }
 993             else
 994             {
 995                 // This is necessary (don't know why);
 996                 // otherwise the tab will not be inserted.
 997                 WriteText(wxT("\t"));
 998             }
 999             break;
1000
1001         default:
1002             break;
1003     }
1004
1005     if (!eat_key)
1006     {
1007         // perform keystroke handling
1008         event.Skip(true) ;
1009     }
1010
1011     if ( ( key >= 0x20 && key < WXK_START ) ||
1012          key == WXK_RETURN ||
1013          key == WXK_DELETE ||
1014          key == WXK_BACK)
1015     {
1016         wxCommandEvent event1(wxEVT_COMMAND_TEXT_UPDATED, m_windowId);
1017         event1.SetEventObject( this );
1018         wxPostEvent( GetEventHandler(), event1 );
1019     }
1020 }
1021
1022 // ----------------------------------------------------------------------------
1023 // standard handlers for standard edit menu events
1024 // ----------------------------------------------------------------------------
1025
1026 void wxTextCtrl::OnCut(wxCommandEvent& WXUNUSED(event))
1027 {
1028     Cut();
1029 }
1030
1031 void wxTextCtrl::OnCopy(wxCommandEvent& WXUNUSED(event))
1032 {
1033     Copy();
1034 }
1035
1036 void wxTextCtrl::OnPaste(wxCommandEvent& WXUNUSED(event))
1037 {
1038     Paste();
1039 }
1040
1041 void wxTextCtrl::OnUndo(wxCommandEvent& WXUNUSED(event))
1042 {
1043     Undo();
1044 }
1045
1046 void wxTextCtrl::OnRedo(wxCommandEvent& WXUNUSED(event))
1047 {
1048     Redo();
1049 }
1050
1051 void wxTextCtrl::OnDelete(wxCommandEvent& WXUNUSED(event))
1052 {
1053     long from, to;
1054
1055     GetSelection( &from, &to );
1056     if (from != -1 && to != -1)
1057         Remove( from, to );
1058 }
1059
1060 void wxTextCtrl::OnSelectAll(wxCommandEvent& WXUNUSED(event))
1061 {
1062     SetSelection(-1, -1);
1063 }
1064
1065 void wxTextCtrl::OnUpdateCut(wxUpdateUIEvent& event)
1066 {
1067     event.Enable( CanCut() );
1068 }
1069
1070 void wxTextCtrl::OnUpdateCopy(wxUpdateUIEvent& event)
1071 {
1072     event.Enable( CanCopy() );
1073 }
1074
1075 void wxTextCtrl::OnUpdatePaste(wxUpdateUIEvent& event)
1076 {
1077     event.Enable( CanPaste() );
1078 }
1079
1080 void wxTextCtrl::OnUpdateUndo(wxUpdateUIEvent& event)
1081 {
1082     event.Enable( CanUndo() );
1083 }
1084
1085 void wxTextCtrl::OnUpdateRedo(wxUpdateUIEvent& event)
1086 {
1087     event.Enable( CanRedo() );
1088 }
1089
1090 void wxTextCtrl::OnUpdateDelete(wxUpdateUIEvent& event)
1091 {
1092     long from, to;
1093
1094     GetSelection( &from, &to );
1095     event.Enable( from != -1 && to != -1 && from != to && IsEditable() ) ;
1096 }
1097
1098 void wxTextCtrl::OnUpdateSelectAll(wxUpdateUIEvent& event)
1099 {
1100     event.Enable(GetLastPosition() > 0);
1101 }
1102
1103 // CS: Context Menus only work with MLTE implementations or non-multiline HIViews at the moment
1104
1105 void wxTextCtrl::OnContextMenu(wxContextMenuEvent& event)
1106 {
1107     if ( GetPeer()->HasOwnContextMenu() )
1108     {
1109         event.Skip() ;
1110         return ;
1111     }
1112
1113     if (m_privateContextMenu == NULL)
1114     {
1115         m_privateContextMenu = new wxMenu;
1116         m_privateContextMenu->Append(wxID_UNDO, _("&Undo"));
1117         m_privateContextMenu->Append(wxID_REDO, _("&Redo"));
1118         m_privateContextMenu->AppendSeparator();
1119         m_privateContextMenu->Append(wxID_CUT, _("Cu&t"));
1120         m_privateContextMenu->Append(wxID_COPY, _("&Copy"));
1121         m_privateContextMenu->Append(wxID_PASTE, _("&Paste"));
1122         m_privateContextMenu->Append(wxID_CLEAR, _("&Delete"));
1123         m_privateContextMenu->AppendSeparator();
1124         m_privateContextMenu->Append(wxID_SELECTALL, _("Select &All"));
1125     }
1126
1127     if (m_privateContextMenu != NULL)
1128         PopupMenu(m_privateContextMenu);
1129 }
1130
1131 bool wxTextCtrl::MacSetupCursor( const wxPoint& pt )
1132 {
1133     if ( !GetPeer()->SetupCursor( pt ) )
1134         return wxWindow::MacSetupCursor( pt ) ;
1135     else
1136         return true ;
1137 }
1138
1139 #if !TARGET_API_MAC_OSX
1140
1141 // user pane implementation
1142
1143 void wxTextCtrl::MacControlUserPaneDrawProc(wxInt16 part)
1144 {
1145     GetPeer()->MacControlUserPaneDrawProc( part ) ;
1146 }
1147
1148 wxInt16 wxTextCtrl::MacControlUserPaneHitTestProc(wxInt16 x, wxInt16 y)
1149 {
1150     return GetPeer()->MacControlUserPaneHitTestProc( x , y ) ;
1151 }
1152
1153 wxInt16 wxTextCtrl::MacControlUserPaneTrackingProc(wxInt16 x, wxInt16 y, void* actionProc)
1154 {
1155     return GetPeer()->MacControlUserPaneTrackingProc( x , y , actionProc ) ;
1156 }
1157
1158 void wxTextCtrl::MacControlUserPaneIdleProc()
1159 {
1160     GetPeer()->MacControlUserPaneIdleProc( ) ;
1161 }
1162
1163 wxInt16 wxTextCtrl::MacControlUserPaneKeyDownProc(wxInt16 keyCode, wxInt16 charCode, wxInt16 modifiers)
1164 {
1165     return GetPeer()->MacControlUserPaneKeyDownProc( keyCode , charCode , modifiers ) ;
1166 }
1167
1168 void wxTextCtrl::MacControlUserPaneActivateProc(bool activating)
1169 {
1170     GetPeer()->MacControlUserPaneActivateProc( activating ) ;
1171 }
1172
1173 wxInt16 wxTextCtrl::MacControlUserPaneFocusProc(wxInt16 action)
1174 {
1175     return GetPeer()->MacControlUserPaneFocusProc( action ) ;
1176 }
1177
1178 void wxTextCtrl::MacControlUserPaneBackgroundProc(void* info)
1179 {
1180     GetPeer()->MacControlUserPaneBackgroundProc( info ) ;
1181 }
1182
1183 #endif
1184
1185 // ----------------------------------------------------------------------------
1186 // implementation base class
1187 // ----------------------------------------------------------------------------
1188
1189 wxMacTextControl::wxMacTextControl(wxTextCtrl* peer) :
1190     wxMacControl( peer )
1191 {
1192 }
1193
1194 wxMacTextControl::~wxMacTextControl()
1195 {
1196 }
1197
1198 void wxMacTextControl::SetStyle(long start, long end, const wxTextAttr& style)
1199 {
1200 }
1201
1202 void wxMacTextControl::Copy()
1203 {
1204 }
1205
1206 void wxMacTextControl::Cut()
1207 {
1208 }
1209
1210 void wxMacTextControl::Paste()
1211 {
1212 }
1213
1214 bool wxMacTextControl::CanPaste() const
1215 {
1216     return false ;
1217 }
1218
1219 void wxMacTextControl::SetEditable(bool editable)
1220 {
1221 }
1222
1223 wxTextPos wxMacTextControl::GetLastPosition() const
1224 {
1225     return GetStringValue().length() ;
1226 }
1227
1228 void wxMacTextControl::Replace( long from , long to , const wxString &val )
1229 {
1230     SetSelection( from , to ) ;
1231     WriteText( val ) ;
1232 }
1233
1234 void wxMacTextControl::Remove( long from , long to )
1235 {
1236     SetSelection( from , to ) ;
1237     WriteText( wxEmptyString) ;
1238 }
1239
1240 void wxMacTextControl::Clear()
1241 {
1242     SetStringValue( wxEmptyString ) ;
1243 }
1244
1245 bool wxMacTextControl::CanUndo() const
1246 {
1247     return false ;
1248 }
1249
1250 void wxMacTextControl::Undo()
1251 {
1252 }
1253
1254 bool wxMacTextControl::CanRedo()  const
1255 {
1256     return false ;
1257 }
1258
1259 void wxMacTextControl::Redo()
1260 {
1261 }
1262
1263 long wxMacTextControl::XYToPosition(long x, long y) const
1264 {
1265     return 0 ;
1266 }
1267
1268 bool wxMacTextControl::PositionToXY(long pos, long *x, long *y) const
1269 {
1270     return false ;
1271 }
1272
1273 void wxMacTextControl::ShowPosition( long WXUNUSED(pos) )
1274 {
1275 }
1276
1277 int wxMacTextControl::GetNumberOfLines() const
1278 {
1279     ItemCount lines = 0 ;
1280     wxString content = GetStringValue() ;
1281     lines = 1;
1282
1283     for (size_t i = 0; i < content.length() ; i++)
1284     {
1285         if (content[i] == '\r')
1286             lines++;
1287     }
1288
1289     return lines ;
1290 }
1291
1292 wxString wxMacTextControl::GetLineText(long lineNo) const
1293 {
1294     // TODO: change this if possible to reflect real lines
1295     wxString content = GetStringValue() ;
1296
1297     // Find line first
1298     int count = 0;
1299     for (size_t i = 0; i < content.length() ; i++)
1300     {
1301         if (count == lineNo)
1302         {
1303             // Add chars in line then
1304             wxString tmp;
1305
1306             for (size_t j = i; j < content.length(); j++)
1307             {
1308                 if (content[j] == '\n')
1309                     return tmp;
1310
1311                 tmp += content[j];
1312             }
1313
1314             return tmp;
1315         }
1316
1317         if (content[i] == '\n')
1318             count++;
1319     }
1320
1321     return wxEmptyString ;
1322 }
1323
1324 int wxMacTextControl::GetLineLength(long lineNo) const
1325 {
1326     // TODO: change this if possible to reflect real lines
1327     wxString content = GetStringValue() ;
1328
1329     // Find line first
1330     int count = 0;
1331     for (size_t i = 0; i < content.length() ; i++)
1332     {
1333         if (count == lineNo)
1334         {
1335             // Count chars in line then
1336             count = 0;
1337             for (size_t j = i; j < content.length(); j++)
1338             {
1339                 count++;
1340                 if (content[j] == '\n')
1341                     return count;
1342             }
1343
1344             return count;
1345         }
1346
1347         if (content[i] == '\n')
1348             count++;
1349     }
1350
1351     return 0 ;
1352 }
1353
1354 // ----------------------------------------------------------------------------
1355 // standard unicode control implementation
1356 // ----------------------------------------------------------------------------
1357
1358 #if TARGET_API_MAC_OSX
1359
1360 wxMacUnicodeTextControl::wxMacUnicodeTextControl( wxTextCtrl *wxPeer,
1361     const wxString& str,
1362     const wxPoint& pos,
1363     const wxSize& size, long style )
1364     : wxMacTextControl( wxPeer )
1365 {
1366     m_font = wxPeer->GetFont() ;
1367     m_windowStyle = style ;
1368     Rect bounds = wxMacGetBoundsForControl( wxPeer , pos , size ) ;
1369     wxString st = str ;
1370     wxMacConvertNewlines10To13( &st ) ;
1371     wxMacCFStringHolder cf(st , m_font.GetEncoding()) ;
1372     CFStringRef cfr = cf ;
1373     Boolean isPassword = ( m_windowStyle & wxTE_PASSWORD ) != 0 ;
1374     m_valueTag = isPassword ? kControlEditTextPasswordCFStringTag : kControlEditTextCFStringTag ;
1375
1376     OSStatus err = CreateEditUnicodeTextControl(
1377         MAC_WXHWND(wxPeer->MacGetTopLevelWindowRef()), &bounds , cfr ,
1378         isPassword , NULL , &m_controlRef ) ;
1379     verify_noerr( err );
1380
1381     if ( !(m_windowStyle & wxTE_MULTILINE) )
1382         SetData<Boolean>( kControlEditTextPart , kControlEditTextSingleLineTag , true ) ;
1383 }
1384
1385 wxMacUnicodeTextControl::~wxMacUnicodeTextControl()
1386 {
1387 }
1388
1389 void wxMacUnicodeTextControl::VisibilityChanged(bool shown)
1390 {
1391     if ( !(m_windowStyle & wxTE_MULTILINE) && shown )
1392     {
1393         // work around a refresh issue insofar as not always the entire content is shown,
1394         // even if this would be possible
1395         ControlEditTextSelectionRec sel ;
1396         CFStringRef value = NULL ;
1397
1398         verify_noerr( GetData<ControlEditTextSelectionRec>( 0, kControlEditTextSelectionTag, &sel ) );
1399         verify_noerr( GetData<CFStringRef>( 0, m_valueTag, &value ) );
1400         verify_noerr( SetData<CFStringRef>( 0, m_valueTag, &value ) );
1401         verify_noerr( SetData<ControlEditTextSelectionRec>( 0, kControlEditTextSelectionTag, &sel ) );
1402
1403         CFRelease( value ) ;
1404     }
1405 }
1406
1407 wxString wxMacUnicodeTextControl::GetStringValue() const
1408 {
1409     wxString result ;
1410     CFStringRef value = GetData<CFStringRef>(0, m_valueTag) ;
1411     if ( value )
1412     {
1413         wxMacCFStringHolder cf(value) ;
1414         result = cf.AsString() ;
1415     }
1416
1417 #if '\n' == 10
1418     wxMacConvertNewlines13To10( &result ) ;
1419 #else
1420     wxMacConvertNewlines10To13( &result ) ;
1421 #endif
1422
1423     return result ;
1424 }
1425
1426 void wxMacUnicodeTextControl::SetStringValue( const wxString &str )
1427 {
1428     wxString st = str ;
1429     wxMacConvertNewlines10To13( &st ) ;
1430     wxMacCFStringHolder cf( st , m_font.GetEncoding() ) ;
1431     verify_noerr( SetData<CFStringRef>( 0, m_valueTag , cf ) ) ;
1432 }
1433
1434 void wxMacUnicodeTextControl::Copy()
1435 {
1436     SendHICommand( kHICommandCopy ) ;
1437 }
1438
1439 void wxMacUnicodeTextControl::Cut()
1440 {
1441     SendHICommand( kHICommandCut ) ;
1442 }
1443
1444 void wxMacUnicodeTextControl::Paste()
1445 {
1446     SendHICommand( kHICommandPaste ) ;
1447 }
1448
1449 bool wxMacUnicodeTextControl::CanPaste() const
1450 {
1451     return true ;
1452 }
1453
1454 void wxMacUnicodeTextControl::SetEditable(bool editable)
1455 {
1456 #if 0 // leads to problem because text cannot be selected anymore
1457     SetData<Boolean>( kControlEditTextPart , kControlEditTextLockedTag , (Boolean) !editable ) ;
1458 #endif
1459 }
1460
1461 void wxMacUnicodeTextControl::GetSelection( long* from, long* to ) const
1462 {
1463     ControlEditTextSelectionRec sel ;
1464     verify_noerr( GetData<ControlEditTextSelectionRec>( 0, kControlEditTextSelectionTag, &sel ) ) ;
1465     if ( from )
1466         *from = sel.selStart ;
1467     if ( to )
1468         *to = sel.selEnd ;
1469 }
1470
1471 void wxMacUnicodeTextControl::SetSelection( long from , long to )
1472 {
1473     ControlEditTextSelectionRec sel ;
1474     if ((from == -1) && (to == -1))
1475     {
1476         from = 0 ;
1477         to = 32767 ; // sel has 16 bit signed values, max is 32767
1478     }
1479
1480     sel.selStart = from ;
1481     sel.selEnd = to ;
1482     SetData<ControlEditTextSelectionRec>( 0, kControlEditTextSelectionTag, &sel ) ;
1483 }
1484
1485 void wxMacUnicodeTextControl::WriteText( const wxString& str )
1486 {
1487     wxString st = str ;
1488     wxMacConvertNewlines10To13( &st ) ;
1489
1490 #if MAC_OS_X_VERSION_MAX_ALLOWED > MAC_OS_X_VERSION_10_2
1491         wxMacCFStringHolder cf(st , m_font.GetEncoding() ) ;
1492         CFStringRef value = cf ;
1493         SetData<CFStringRef>( 0, kControlEditTextInsertCFStringRefTag, &value );
1494 #else
1495         wxString val = GetStringValue() ;
1496         long start , end ;
1497         GetSelection( &start , &end ) ;
1498         val.Remove( start , end - start ) ;
1499         val.insert( start , str ) ;
1500         SetStringValue( val ) ;
1501         SetSelection( start + str.length() , start + str.length() ) ;
1502 #endif
1503 }
1504
1505 #endif
1506
1507 // ----------------------------------------------------------------------------
1508 // MLTE control implementation (common part)
1509 // ----------------------------------------------------------------------------
1510
1511 // if MTLE is read only, no changes at all are allowed, not even from
1512 // procedural API, in order to allow changes via API all the same we must undo
1513 // the readonly status while we are executing, this class helps to do so
1514
1515 class wxMacEditHelper
1516 {
1517 public :
1518     wxMacEditHelper( TXNObject txn )
1519     {
1520         TXNControlTag tag[] = { kTXNIOPrivilegesTag } ;
1521         m_txn = txn ;
1522         TXNGetTXNObjectControls( m_txn , 1 , tag , m_data ) ;
1523         if ( m_data[0].uValue == kTXNReadOnly )
1524         {
1525             TXNControlData data[] = { { kTXNReadWrite } } ;
1526             TXNSetTXNObjectControls( m_txn , false , 1 , tag , data ) ;
1527         }
1528     }
1529
1530     ~wxMacEditHelper()
1531     {
1532         TXNControlTag tag[] = { kTXNIOPrivilegesTag } ;
1533         if ( m_data[0].uValue == kTXNReadOnly )
1534             TXNSetTXNObjectControls( m_txn , false , 1 , tag , m_data ) ;
1535     }
1536
1537 protected :
1538     TXNObject m_txn ;
1539     TXNControlData m_data[1] ;
1540 } ;
1541
1542 wxMacMLTEControl::wxMacMLTEControl( wxTextCtrl *peer )
1543     : wxMacTextControl( peer )
1544 {
1545     SetNeedsFocusRect( true ) ;
1546 }
1547
1548 wxString wxMacMLTEControl::GetStringValue() const
1549 {
1550     wxString result ;
1551     OSStatus err ;
1552     Size actualSize = 0;
1553
1554     {
1555 #if wxUSE_UNICODE
1556         Handle theText ;
1557         err = TXNGetDataEncoded( m_txn, kTXNStartOffset, kTXNEndOffset, &theText, kTXNUnicodeTextData );
1558
1559         // all done
1560         if ( err != noErr )
1561         {
1562             actualSize = 0 ;
1563         }
1564         else
1565         {
1566             actualSize = GetHandleSize( theText ) / sizeof(UniChar) ;
1567             if ( actualSize > 0 )
1568             {
1569                 wxChar *ptr = NULL ;
1570
1571 #if SIZEOF_WCHAR_T == 2
1572                 ptr = new wxChar[actualSize + 1] ;
1573                 wxStrncpy( ptr , (wxChar*)(*theText) , actualSize ) ;
1574 #else
1575                 SetHandleSize( theText, (actualSize + 1) * sizeof(UniChar) ) ;
1576                 HLock( theText ) ;
1577                 (((UniChar*)*theText)[actualSize]) = 0 ;
1578                 wxMBConvUTF16 converter ;
1579                 size_t noChars = converter.MB2WC( NULL , (const char*)*theText , 0 ) ;
1580                 wxASSERT_MSG( noChars != wxCONV_FAILED, _T("Unable to count the number of characters in this string!") );
1581                 ptr = new wxChar[noChars + 1] ;
1582
1583                 noChars = converter.MB2WC( ptr , (const char*)*theText , noChars + 1 ) ;
1584                 wxASSERT_MSG( noChars != wxCONV_FAILED, _T("Conversion of string failed!") );
1585                 ptr[noChars] = 0 ;
1586                 HUnlock( theText ) ;
1587 #endif
1588
1589                 ptr[actualSize] = 0 ;
1590                 result = wxString( ptr ) ;
1591                 delete [] ptr ;
1592             }
1593
1594             DisposeHandle( theText ) ;
1595         }
1596 #else
1597         Handle theText ;
1598         err = TXNGetDataEncoded( m_txn , kTXNStartOffset, kTXNEndOffset, &theText, kTXNTextData );
1599
1600         // all done
1601         if ( err != noErr )
1602         {
1603             actualSize = 0 ;
1604         }
1605         else
1606         {
1607             actualSize = GetHandleSize( theText ) ;
1608             if ( actualSize > 0 )
1609             {
1610                 HLock( theText ) ;
1611                 result = wxString( *theText , wxConvLocal , actualSize ) ;
1612                 HUnlock( theText ) ;
1613             }
1614
1615             DisposeHandle( theText ) ;
1616         }
1617 #endif
1618     }
1619
1620 #if '\n' == 10
1621     wxMacConvertNewlines13To10( &result ) ;
1622 #else
1623     wxMacConvertNewlines10To13( &result ) ;
1624 #endif
1625
1626     return result ;
1627 }
1628
1629 void wxMacMLTEControl::SetStringValue( const wxString &str )
1630 {
1631     wxString st = str;
1632     wxMacConvertNewlines10To13( &st );
1633
1634     {
1635         wxMacWindowClipper c( m_peer );
1636
1637         {
1638             wxMacEditHelper help( m_txn );
1639             SetTXNData( st, kTXNStartOffset, kTXNEndOffset );
1640         }
1641
1642         TXNSetSelection( m_txn, 0, 0 );
1643         TXNShowSelection( m_txn, kTXNShowStart );
1644     }
1645 }
1646
1647 TXNFrameOptions wxMacMLTEControl::FrameOptionsFromWXStyle( long wxStyle )
1648 {
1649     TXNFrameOptions frameOptions = kTXNDontDrawCaretWhenInactiveMask;
1650
1651 #if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_3
1652     frameOptions |= kTXNDoFontSubstitutionMask;
1653 #endif
1654
1655     if ( ! (wxStyle & wxTE_NOHIDESEL) )
1656         frameOptions |= kTXNDontDrawSelectionWhenInactiveMask ;
1657
1658     if ( wxStyle & (wxHSCROLL | wxTE_DONTWRAP) )
1659         frameOptions |= kTXNWantHScrollBarMask ;
1660
1661     if ( wxStyle & wxTE_MULTILINE )
1662     {
1663         frameOptions |= kTXNAlwaysWrapAtViewEdgeMask ;
1664
1665         if ( !(wxStyle & wxTE_NO_VSCROLL) )
1666         {
1667             frameOptions |= kTXNWantVScrollBarMask ;
1668
1669             // The following code causes drawing problems on 10.4. Perhaps it can be restored for
1670             // older versions of the OS, but I'm not sure it's appropriate to put a grow icon here
1671             // anyways, as AFAIK users can't actually use it to resize the text ctrl.
1672 //            if ( frameOptions & kTXNWantHScrollBarMask )
1673 //                frameOptions |= kTXNDrawGrowIconMask ;
1674         }
1675     }
1676     else
1677     {
1678         frameOptions |= kTXNSingleLineOnlyMask ;
1679     }
1680
1681     return frameOptions ;
1682 }
1683
1684 void wxMacMLTEControl::AdjustCreationAttributes( const wxColour &background, bool visible )
1685 {
1686     TXNControlTag iControlTags[] =
1687         {
1688             kTXNDoFontSubstitution,
1689             kTXNWordWrapStateTag ,
1690         };
1691     TXNControlData iControlData[] =
1692         {
1693             { true },
1694             { kTXNNoAutoWrap },
1695         };
1696
1697     int toptag = WXSIZEOF( iControlTags ) ;
1698
1699     if ( m_windowStyle & wxTE_MULTILINE )
1700     {
1701         iControlData[1].uValue =
1702             (m_windowStyle & wxTE_DONTWRAP)
1703             ? kTXNNoAutoWrap
1704             : kTXNAutoWrap;
1705     }
1706
1707     OSStatus err = TXNSetTXNObjectControls( m_txn, false, toptag, iControlTags, iControlData ) ;
1708     verify_noerr( err );
1709
1710     // setting the default font:
1711     // under 10.2 this causes a visible caret, therefore we avoid it
1712
1713     if ( UMAGetSystemVersion() >= 0x1030 )
1714     {
1715         Str255 fontName ;
1716         SInt16 fontSize ;
1717         Style fontStyle ;
1718
1719         GetThemeFont( kThemeSystemFont , GetApplicationScript() , fontName , &fontSize , &fontStyle ) ;
1720
1721         TXNTypeAttributes typeAttr[] =
1722         {
1723             { kTXNQDFontNameAttribute , kTXNQDFontNameAttributeSize , { (void*) fontName } } ,
1724             { kTXNQDFontSizeAttribute , kTXNFontSizeAttributeSize , { (void*) (fontSize << 16) } } ,
1725             { kTXNQDFontStyleAttribute , kTXNQDFontStyleAttributeSize , { (void*) normal } } ,
1726         } ;
1727
1728         err = TXNSetTypeAttributes(
1729             m_txn, sizeof(typeAttr) / sizeof(TXNTypeAttributes),
1730             typeAttr, kTXNStartOffset, kTXNEndOffset );
1731         verify_noerr( err );
1732     }
1733
1734     if ( m_windowStyle & wxTE_PASSWORD )
1735     {
1736         UniChar c = 0x00A5 ;
1737         err = TXNEchoMode( m_txn , c , 0 , true );
1738         verify_noerr( err );
1739     }
1740
1741     TXNBackground tback;
1742     tback.bgType = kTXNBackgroundTypeRGB;
1743     tback.bg.color = MAC_WXCOLORREF( background.GetPixel() );
1744     TXNSetBackground( m_txn , &tback );
1745
1746 #if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_4
1747     if ( UMAGetSystemVersion() >= 0x1040 )
1748     {
1749         TXNCommandEventSupportOptions options ;
1750         if ( TXNGetCommandEventSupport( m_txn, &options ) == noErr )
1751         {
1752             options |=
1753                 kTXNSupportEditCommandProcessing
1754                 | kTXNSupportEditCommandUpdating
1755                 | kTXNSupportSpellCheckCommandProcessing
1756                 | kTXNSupportSpellCheckCommandUpdating
1757                 | kTXNSupportFontCommandProcessing
1758                 | kTXNSupportFontCommandUpdating;
1759
1760             TXNSetCommandEventSupport( m_txn , options ) ;
1761         }
1762     }
1763 #endif
1764 }
1765
1766 void wxMacMLTEControl::SetBackground( const wxBrush &brush )
1767 {
1768     // currently only solid background are supported
1769     TXNBackground tback;
1770
1771     tback.bgType = kTXNBackgroundTypeRGB;
1772     tback.bg.color = MAC_WXCOLORREF( brush.GetColour().GetPixel() );
1773     TXNSetBackground( m_txn , &tback );
1774 }
1775
1776 void wxMacMLTEControl::TXNSetAttribute( const wxTextAttr& style , long from , long to )
1777 {
1778     TXNTypeAttributes typeAttr[4] ;
1779     Str255 fontName = "\pMonaco" ;
1780     SInt16 fontSize = 12 ;
1781     Style fontStyle = normal ;
1782     RGBColor color ;
1783     int attrCount = 0 ;
1784
1785     if ( style.HasFont() )
1786     {
1787         const wxFont &font = style.GetFont() ;
1788         wxMacStringToPascal( font.GetFaceName() , fontName ) ;
1789         fontSize = font.GetPointSize() ;
1790         if ( font.GetUnderlined() )
1791             fontStyle |= underline ;
1792         if ( font.GetWeight() == wxBOLD )
1793             fontStyle |= bold ;
1794         if ( font.GetStyle() == wxITALIC )
1795             fontStyle |= italic ;
1796
1797         typeAttr[attrCount].tag = kTXNQDFontNameAttribute ;
1798         typeAttr[attrCount].size = kTXNQDFontNameAttributeSize ;
1799         typeAttr[attrCount].data.dataPtr = (void*)fontName ;
1800         attrCount++ ;
1801
1802         typeAttr[attrCount].tag = kTXNQDFontSizeAttribute ;
1803         typeAttr[attrCount].size = kTXNFontSizeAttributeSize ;
1804         typeAttr[attrCount].data.dataValue = (fontSize << 16) ;
1805         attrCount++ ;
1806
1807         typeAttr[attrCount].tag = kTXNQDFontStyleAttribute ;
1808         typeAttr[attrCount].size = kTXNQDFontStyleAttributeSize ;
1809         typeAttr[attrCount].data.dataValue = fontStyle ;
1810         attrCount++ ;
1811     }
1812
1813     if ( style.HasTextColour() )
1814     {
1815         color = MAC_WXCOLORREF(style.GetTextColour().GetPixel()) ;
1816
1817         typeAttr[attrCount].tag = kTXNQDFontColorAttribute ;
1818         typeAttr[attrCount].size = kTXNQDFontColorAttributeSize ;
1819         typeAttr[attrCount].data.dataPtr = (void*) &color ;
1820         attrCount++ ;
1821     }
1822
1823     if ( attrCount > 0 )
1824     {
1825         verify_noerr( TXNSetTypeAttributes( m_txn , attrCount , typeAttr, from , to ) );
1826     }
1827 }
1828
1829 void wxMacMLTEControl::SetFont( const wxFont & font , const wxColour& foreground , long windowStyle )
1830 {
1831     wxMacEditHelper help( m_txn ) ;
1832     TXNSetAttribute( wxTextAttr( foreground, wxNullColour, font ), kTXNStartOffset, kTXNEndOffset ) ;
1833 }
1834
1835 void wxMacMLTEControl::SetStyle( long start, long end, const wxTextAttr& style )
1836 {
1837     wxMacEditHelper help( m_txn ) ;
1838     TXNSetAttribute( style, start, end ) ;
1839 }
1840
1841 void wxMacMLTEControl::Copy()
1842 {
1843     ClearCurrentScrap();
1844     TXNCopy( m_txn );
1845     TXNConvertToPublicScrap();
1846 }
1847
1848 void wxMacMLTEControl::Cut()
1849 {
1850     ClearCurrentScrap();
1851     TXNCut( m_txn );
1852     TXNConvertToPublicScrap();
1853 }
1854
1855 void wxMacMLTEControl::Paste()
1856 {
1857     TXNConvertFromPublicScrap();
1858     TXNPaste( m_txn );
1859 }
1860
1861 bool wxMacMLTEControl::CanPaste() const
1862 {
1863     return TXNIsScrapPastable() ;
1864 }
1865
1866 void wxMacMLTEControl::SetEditable(bool editable)
1867 {
1868     TXNControlTag tag[] = { kTXNIOPrivilegesTag } ;
1869     TXNControlData data[] = { { editable ? kTXNReadWrite : kTXNReadOnly } } ;
1870     TXNSetTXNObjectControls( m_txn, false, WXSIZEOF(tag), tag, data ) ;
1871 }
1872
1873 wxTextPos wxMacMLTEControl::GetLastPosition() const
1874 {
1875     wxTextPos actualsize = 0 ;
1876
1877     Handle theText ;
1878     OSErr err = TXNGetDataEncoded( m_txn, kTXNStartOffset, kTXNEndOffset, &theText, kTXNTextData );
1879
1880     // all done
1881     if ( err == noErr )
1882     {
1883         actualsize = GetHandleSize( theText ) ;
1884         DisposeHandle( theText ) ;
1885     }
1886     else
1887     {
1888         actualsize = 0 ;
1889     }
1890
1891     return actualsize ;
1892 }
1893
1894 void wxMacMLTEControl::Replace( long from , long to , const wxString &str )
1895 {
1896     wxString value = str ;
1897     wxMacConvertNewlines10To13( &value ) ;
1898
1899     wxMacEditHelper help( m_txn ) ;
1900     wxMacWindowClipper c( m_peer ) ;
1901
1902     TXNSetSelection( m_txn, from, to ) ;
1903     TXNClear( m_txn ) ;
1904     SetTXNData( value, kTXNUseCurrentSelection, kTXNUseCurrentSelection ) ;
1905 }
1906
1907 void wxMacMLTEControl::Remove( long from , long to )
1908 {
1909     wxMacWindowClipper c( m_peer ) ;
1910     wxMacEditHelper help( m_txn ) ;
1911     TXNSetSelection( m_txn , from , to ) ;
1912     TXNClear( m_txn ) ;
1913 }
1914
1915 void wxMacMLTEControl::GetSelection( long* from, long* to) const
1916 {
1917     TXNGetSelection( m_txn , (TXNOffset*) from , (TXNOffset*) to ) ;
1918 }
1919
1920 void wxMacMLTEControl::SetSelection( long from , long to )
1921 {
1922     wxMacWindowClipper c( m_peer ) ;
1923
1924     // change the selection
1925     if ((from == -1) && (to == -1))
1926         TXNSelectAll( m_txn );
1927     else
1928         TXNSetSelection( m_txn, from, to );
1929
1930     TXNShowSelection( m_txn, kTXNShowStart );
1931 }
1932
1933 void wxMacMLTEControl::WriteText( const wxString& str )
1934 {
1935     wxString st = str ;
1936     wxMacConvertNewlines10To13( &st ) ;
1937
1938     long start , end , dummy ;
1939
1940     GetSelection( &start , &dummy ) ;
1941     wxMacWindowClipper c( m_peer ) ;
1942
1943     {
1944         wxMacEditHelper helper( m_txn ) ;
1945         SetTXNData( st, kTXNUseCurrentSelection, kTXNUseCurrentSelection ) ;
1946     }
1947
1948     GetSelection( &dummy, &end ) ;
1949
1950     // TODO: SetStyle( start , end , GetDefaultStyle() ) ;
1951 }
1952
1953 void wxMacMLTEControl::Clear()
1954 {
1955     wxMacWindowClipper c( m_peer ) ;
1956     wxMacEditHelper st( m_txn ) ;
1957     TXNSetSelection( m_txn , kTXNStartOffset , kTXNEndOffset ) ;
1958     TXNClear( m_txn ) ;
1959 }
1960
1961 bool wxMacMLTEControl::CanUndo() const
1962 {
1963     return TXNCanUndo( m_txn , NULL ) ;
1964 }
1965
1966 void wxMacMLTEControl::Undo()
1967 {
1968     TXNUndo( m_txn ) ;
1969 }
1970
1971 bool wxMacMLTEControl::CanRedo() const
1972 {
1973     return TXNCanRedo( m_txn , NULL ) ;
1974 }
1975
1976 void wxMacMLTEControl::Redo()
1977 {
1978     TXNRedo( m_txn ) ;
1979 }
1980
1981 int wxMacMLTEControl::GetNumberOfLines() const
1982 {
1983     ItemCount lines = 0 ;
1984     TXNGetLineCount( m_txn, &lines ) ;
1985
1986     return lines ;
1987 }
1988
1989 long wxMacMLTEControl::XYToPosition(long x, long y) const
1990 {
1991     Point curpt ;
1992     wxTextPos lastpos ;
1993
1994     // TODO: find a better implementation : while we can get the
1995     // line metrics of a certain line, we don't get its starting
1996     // position, so it would probably be rather a binary search
1997     // for the start position
1998     long xpos = 0, ypos = 0 ;
1999     int lastHeight = 0 ;
2000     ItemCount n ;
2001
2002     lastpos = GetLastPosition() ;
2003     for ( n = 0 ; n <= (ItemCount) lastpos ; ++n )
2004     {
2005         if ( y == ypos && x == xpos )
2006             return n ;
2007
2008         TXNOffsetToPoint( m_txn, n, &curpt ) ;
2009
2010         if ( curpt.v > lastHeight )
2011         {
2012             xpos = 0 ;
2013             if ( n > 0 )
2014                 ++ypos ;
2015
2016             lastHeight = curpt.v ;
2017         }
2018         else
2019             ++xpos ;
2020     }
2021
2022     return 0 ;
2023 }
2024
2025 bool wxMacMLTEControl::PositionToXY( long pos, long *x, long *y ) const
2026 {
2027     Point curpt ;
2028     wxTextPos lastpos ;
2029
2030     if ( y )
2031         *y = 0 ;
2032     if ( x )
2033         *x = 0 ;
2034
2035     lastpos = GetLastPosition() ;
2036     if ( pos <= lastpos )
2037     {
2038         // TODO: find a better implementation - while we can get the
2039         // line metrics of a certain line, we don't get its starting
2040         // position, so it would probably be rather a binary search
2041         // for the start position
2042         long xpos = 0, ypos = 0 ;
2043         int lastHeight = 0 ;
2044         ItemCount n ;
2045
2046         for ( n = 0 ; n <= (ItemCount) pos ; ++n )
2047         {
2048             TXNOffsetToPoint( m_txn, n, &curpt ) ;
2049
2050             if ( curpt.v > lastHeight )
2051             {
2052                 xpos = 0 ;
2053                 if ( n > 0 )
2054                     ++ypos ;
2055
2056                 lastHeight = curpt.v ;
2057             }
2058             else
2059                 ++xpos ;
2060         }
2061
2062         if ( y )
2063             *y = ypos ;
2064         if ( x )
2065             *x = xpos ;
2066     }
2067
2068     return false ;
2069 }
2070
2071 void wxMacMLTEControl::ShowPosition( long pos )
2072 {
2073 #if TARGET_RT_MAC_MACHO && defined(AVAILABLE_MAC_OS_X_VERSION_10_2_AND_LATER)
2074     {
2075         Point current, desired ;
2076         TXNOffset selstart, selend;
2077
2078         TXNGetSelection( m_txn, &selstart, &selend );
2079         TXNOffsetToPoint( m_txn, selstart, &current );
2080         TXNOffsetToPoint( m_txn, pos, &desired );
2081
2082         // TODO: use HIPoints for 10.3 and above
2083         if ( (UInt32)TXNScroll != (UInt32)kUnresolvedCFragSymbolAddress )
2084         {
2085             OSErr theErr = noErr;
2086             SInt32 dv = desired.v - current.v;
2087             SInt32 dh = desired.h - current.h;
2088             TXNShowSelection( m_txn, kTXNShowStart ) ; // NB: should this be kTXNShowStart or kTXNShowEnd ??
2089             theErr = TXNScroll( m_txn, kTXNScrollUnitsInPixels, kTXNScrollUnitsInPixels, &dv, &dh );
2090
2091             // there will be an error returned for classic MLTE implementation when the control is
2092             // invisible, but HITextView works correctly, so we don't assert that one
2093             // wxASSERT_MSG( theErr == noErr, _T("TXNScroll returned an error!") );
2094         }
2095     }
2096 #endif
2097 }
2098
2099 void wxMacMLTEControl::SetTXNData( const wxString& st, TXNOffset start, TXNOffset end )
2100 {
2101 #if wxUSE_UNICODE
2102 #if SIZEOF_WCHAR_T == 2
2103     size_t len = st.Len() ;
2104     TXNSetData( m_txn, kTXNUnicodeTextData, (void*)st.wc_str(), len * 2, start, end );
2105 #else
2106     wxMBConvUTF16 converter ;
2107     ByteCount byteBufferLen = converter.WC2MB( NULL, st.wc_str(), 0 ) ;
2108     UniChar *unibuf = (UniChar*)malloc( byteBufferLen ) ;
2109     converter.WC2MB( (char*)unibuf, st.wc_str(), byteBufferLen ) ;
2110     TXNSetData( m_txn, kTXNUnicodeTextData, (void*)unibuf, byteBufferLen, start, end ) ;
2111     free( unibuf ) ;
2112 #endif
2113 #else
2114     wxCharBuffer text = st.mb_str( wxConvLocal ) ;
2115     TXNSetData( m_txn, kTXNTextData, (void*)text.data(), strlen( text ), start, end ) ;
2116 #endif
2117 }
2118
2119 wxString wxMacMLTEControl::GetLineText(long lineNo) const
2120 {
2121     wxString line ;
2122
2123     if ( lineNo < GetNumberOfLines() )
2124     {
2125         Point firstPoint;
2126         Fixed lineWidth, lineHeight, currentHeight;
2127         long ypos ;
2128
2129         // get the first possible position in the control
2130         TXNOffsetToPoint(m_txn, 0, &firstPoint);
2131
2132         // Iterate through the lines until we reach the one we want,
2133         // adding to our current y pixel point position
2134         ypos = 0 ;
2135         currentHeight = 0;
2136         while (ypos < lineNo)
2137         {
2138             TXNGetLineMetrics(m_txn, ypos++, &lineWidth, &lineHeight);
2139             currentHeight += lineHeight;
2140         }
2141
2142         Point thePoint = { firstPoint.v + (currentHeight >> 16), firstPoint.h + (0) };
2143         TXNOffset theOffset;
2144         TXNPointToOffset(m_txn, thePoint, &theOffset);
2145
2146         wxString content = GetStringValue() ;
2147         Point currentPoint = thePoint;
2148         while (thePoint.v == currentPoint.v && theOffset < content.length())
2149         {
2150             line += content[theOffset];
2151             TXNOffsetToPoint(m_txn, ++theOffset, &currentPoint);
2152         }
2153     }
2154
2155     return line ;
2156 }
2157
2158 int wxMacMLTEControl::GetLineLength(long lineNo) const
2159 {
2160     int theLength = 0;
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             ++theLength;
2190             TXNOffsetToPoint(m_txn, ++theOffset, &currentPoint);
2191         }
2192     }
2193
2194     return theLength ;
2195 }
2196
2197 // ----------------------------------------------------------------------------
2198 // MLTE control implementation (classic part)
2199 // ----------------------------------------------------------------------------
2200
2201 // OS X Notes : We still don't have a full replacement for MLTE, so this implementation
2202 // has to live on. We have different problems coming from outdated implementations on the
2203 // various OS X versions. Most deal with the scrollbars: they are not correctly embedded
2204 // while this can be solved on 10.3 by reassigning them the correct place, on 10.2 there is
2205 // no way out, therefore we are using our own implementation and our own scrollbars ....
2206
2207 #ifdef __WXMAC_OSX__
2208
2209 TXNScrollInfoUPP gTXNScrollInfoProc = NULL ;
2210 ControlActionUPP gTXNScrollActionProc = NULL ;
2211
2212 pascal void wxMacMLTEClassicControl::TXNScrollInfoProc(
2213     SInt32 iValue, SInt32 iMaximumValue,
2214     TXNScrollBarOrientation iScrollBarOrientation, SInt32 iRefCon )
2215 {
2216     wxMacMLTEClassicControl* mlte = (wxMacMLTEClassicControl*) iRefCon ;
2217     SInt32 value =  wxMax( iValue , 0 ) ;
2218     SInt32 maximum = wxMax( iMaximumValue , 0 ) ;
2219
2220     if ( iScrollBarOrientation == kTXNHorizontal )
2221     {
2222         if ( mlte->m_sbHorizontal )
2223         {
2224             SetControl32BitValue( mlte->m_sbHorizontal , value ) ;
2225             SetControl32BitMaximum( mlte->m_sbHorizontal , maximum ) ;
2226             mlte->m_lastHorizontalValue = value ;
2227         }
2228     }
2229     else if ( iScrollBarOrientation == kTXNVertical )
2230     {
2231         if ( mlte->m_sbVertical )
2232         {
2233             SetControl32BitValue( mlte->m_sbVertical , value ) ;
2234             SetControl32BitMaximum( mlte->m_sbVertical , maximum ) ;
2235             mlte->m_lastVerticalValue = value ;
2236         }
2237     }
2238 }
2239
2240 pascal void wxMacMLTEClassicControl::TXNScrollActionProc( ControlRef controlRef , ControlPartCode partCode )
2241 {
2242     wxMacMLTEClassicControl* mlte = (wxMacMLTEClassicControl*) GetControlReference( controlRef ) ;
2243     if ( mlte == NULL )
2244         return ;
2245
2246     if ( controlRef != mlte->m_sbVertical && controlRef != mlte->m_sbHorizontal )
2247         return ;
2248
2249     OSStatus err ;
2250     bool isHorizontal = ( controlRef == mlte->m_sbHorizontal ) ;
2251
2252     SInt32 minimum = 0 ;
2253     SInt32 maximum = GetControl32BitMaximum( controlRef ) ;
2254     SInt32 value = GetControl32BitValue( controlRef ) ;
2255     SInt32 delta = 0;
2256
2257     switch ( partCode )
2258     {
2259         case kControlDownButtonPart :
2260             delta = 10 ;
2261             break ;
2262
2263         case kControlUpButtonPart :
2264             delta = -10 ;
2265             break ;
2266
2267         case kControlPageDownPart :
2268             delta = GetControlViewSize( controlRef ) ;
2269             break ;
2270
2271         case kControlPageUpPart :
2272             delta = -GetControlViewSize( controlRef ) ;
2273             break ;
2274
2275         case kControlIndicatorPart :
2276             delta = value - (isHorizontal ? mlte->m_lastHorizontalValue : mlte->m_lastVerticalValue) ;
2277             break ;
2278
2279         default :
2280             break ;
2281     }
2282
2283     if ( delta != 0 )
2284     {
2285         SInt32 newValue = value ;
2286
2287         if ( partCode != kControlIndicatorPart )
2288         {
2289             if ( value + delta < minimum )
2290                 delta = minimum - value ;
2291             if ( value + delta > maximum )
2292                 delta = maximum - value ;
2293
2294             SetControl32BitValue( controlRef , value + delta ) ;
2295             newValue = value + delta ;
2296         }
2297
2298         SInt32 verticalDelta = isHorizontal ? 0 : delta ;
2299         SInt32 horizontalDelta = isHorizontal ? delta : 0 ;
2300
2301         err = TXNScroll(
2302             mlte->m_txn, kTXNScrollUnitsInPixels, kTXNScrollUnitsInPixels,
2303             &verticalDelta, &horizontalDelta );
2304         verify_noerr( err );
2305
2306         if ( isHorizontal )
2307             mlte->m_lastHorizontalValue = newValue ;
2308         else
2309             mlte->m_lastVerticalValue = newValue ;
2310     }
2311 }
2312 #endif
2313
2314 // make correct activations
2315 void wxMacMLTEClassicControl::MacActivatePaneText(bool setActive)
2316 {
2317     wxTextCtrl* textctrl = (wxTextCtrl*) GetControlReference(m_controlRef);
2318
2319     wxMacWindowClipper clipper( textctrl ) ;
2320     TXNActivate( m_txn, m_txnFrameID, setActive );
2321
2322     ControlRef controlFocus = 0 ;
2323     GetKeyboardFocus( m_txnWindow , &controlFocus ) ;
2324     if ( controlFocus == m_controlRef )
2325         TXNFocus( m_txn, setActive );
2326 }
2327
2328 void wxMacMLTEClassicControl::MacFocusPaneText(bool setFocus)
2329 {
2330     TXNFocus( m_txn, setFocus );
2331 }
2332
2333 // guards against inappropriate redraw (hidden objects drawing onto window)
2334
2335 void wxMacMLTEClassicControl::MacSetObjectVisibility(bool vis)
2336 {
2337     ControlRef controlFocus = 0 ;
2338     GetKeyboardFocus( m_txnWindow , &controlFocus ) ;
2339
2340     if ( !vis && (controlFocus == m_controlRef ) )
2341         SetKeyboardFocus( m_txnWindow , m_controlRef , kControlFocusNoPart ) ;
2342
2343     TXNControlTag iControlTags[1] = { kTXNVisibilityTag };
2344     TXNControlData iControlData[1] = { { (UInt32)false } };
2345
2346     verify_noerr( TXNGetTXNObjectControls( m_txn , 1, iControlTags, iControlData ) ) ;
2347
2348     if ( iControlData[0].uValue != vis )
2349     {
2350         iControlData[0].uValue = vis ;
2351         verify_noerr( TXNSetTXNObjectControls( m_txn, false , 1, iControlTags, iControlData ) ) ;
2352     }
2353
2354     // currently, we always clip as partial visibility (overlapped) visibility is also a problem,
2355     // if we run into further problems we might set the FrameBounds to an empty rect here
2356 }
2357
2358 // make sure that the TXNObject is at the right position
2359
2360 void wxMacMLTEClassicControl::MacUpdatePosition()
2361 {
2362     wxTextCtrl* textctrl = (wxTextCtrl*)GetControlReference( m_controlRef );
2363     if ( textctrl == NULL )
2364         return ;
2365
2366     Rect bounds ;
2367     UMAGetControlBoundsInWindowCoords( m_controlRef, &bounds );
2368
2369     wxRect visRect = textctrl->MacGetClippedClientRect() ;
2370     Rect visBounds = { visRect.y , visRect.x , visRect.y + visRect.height , visRect.x + visRect.width } ;
2371     int x , y ;
2372     x = y = 0 ;
2373     textctrl->MacWindowToRootWindow( &x , &y ) ;
2374     OffsetRect( &visBounds , x , y ) ;
2375
2376     if ( !EqualRect( &bounds, &m_txnControlBounds ) || !EqualRect( &visBounds, &m_txnVisBounds ) )
2377     {
2378         m_txnControlBounds = bounds ;
2379         m_txnVisBounds = visBounds ;
2380         wxMacWindowClipper cl( textctrl ) ;
2381
2382 #ifdef __WXMAC_OSX__
2383         bool isCompositing = textctrl->MacGetTopLevelWindow()->MacUsesCompositing() ;
2384         if ( m_sbHorizontal || m_sbVertical )
2385         {
2386             int w = bounds.right - bounds.left ;
2387             int h = bounds.bottom - bounds.top ;
2388
2389             if ( m_sbHorizontal )
2390             {
2391                 Rect sbBounds ;
2392
2393                 sbBounds.left = -1 ;
2394                 sbBounds.top = h - 14 ;
2395                 sbBounds.right = w + 1 ;
2396                 sbBounds.bottom = h + 1 ;
2397
2398                 if ( !isCompositing )
2399                     OffsetRect( &sbBounds , m_txnControlBounds.left , m_txnControlBounds.top ) ;
2400
2401                 SetControlBounds( m_sbHorizontal , &sbBounds ) ;
2402                 SetControlViewSize( m_sbHorizontal , w ) ;
2403             }
2404
2405             if ( m_sbVertical )
2406             {
2407                 Rect sbBounds ;
2408
2409                 sbBounds.left = w - 14 ;
2410                 sbBounds.top = -1 ;
2411                 sbBounds.right = w + 1 ;
2412                 sbBounds.bottom = m_sbHorizontal ? h - 14 : h + 1 ;
2413
2414                 if ( !isCompositing )
2415                     OffsetRect( &sbBounds , m_txnControlBounds.left , m_txnControlBounds.top ) ;
2416
2417                 SetControlBounds( m_sbVertical , &sbBounds ) ;
2418                 SetControlViewSize( m_sbVertical , h ) ;
2419             }
2420         }
2421
2422         Rect oldviewRect ;
2423         TXNLongRect olddestRect ;
2424         TXNGetRectBounds( m_txn , &oldviewRect , &olddestRect , NULL ) ;
2425
2426         Rect viewRect = { m_txnControlBounds.top, m_txnControlBounds.left,
2427             m_txnControlBounds.bottom - ( m_sbHorizontal ? 14 : 0 ) ,
2428             m_txnControlBounds.right - ( m_sbVertical ? 14 : 0 ) } ;
2429         TXNLongRect destRect = { m_txnControlBounds.top, m_txnControlBounds.left,
2430             m_txnControlBounds.bottom - ( m_sbHorizontal ? 14 : 0 ) ,
2431             m_txnControlBounds.right - ( m_sbVertical ? 14 : 0 ) } ;
2432
2433         if ( olddestRect.right >= 10000 )
2434             destRect.right = destRect.left + 32000 ;
2435
2436         if ( olddestRect.bottom >= 0x20000000 )
2437             destRect.bottom = destRect.top + 0x40000000 ;
2438
2439         SectRect( &viewRect , &visBounds , &viewRect ) ;
2440         TXNSetRectBounds( m_txn , &viewRect , &destRect , true ) ;
2441
2442 #if 0
2443         TXNSetFrameBounds(
2444             m_txn,
2445             m_txnControlBounds.top,
2446             m_txnControlBounds.left,
2447             m_txnControlBounds.bottom - (m_sbHorizontal ? 14 : 0),
2448             m_txnControlBounds.right - (m_sbVertical ? 14 : 0),
2449             m_txnFrameID );
2450 #endif
2451 #else
2452
2453         TXNSetFrameBounds(
2454             m_txn, m_txnControlBounds.top, m_txnControlBounds.left,
2455             wxMax( m_txnControlBounds.bottom, m_txnControlBounds.top ),
2456             wxMax( m_txnControlBounds.right, m_txnControlBounds.left ), m_txnFrameID );
2457 #endif
2458
2459         // the SetFrameBounds method under Classic sometimes does not correctly scroll a selection into sight after a
2460         // movement, therefore we have to force it
2461
2462         // this problem has been reported in OSX as well, so we use this here once again
2463
2464         TXNLongRect textRect ;
2465         TXNGetRectBounds( m_txn , NULL , NULL , &textRect ) ;
2466         if ( textRect.left < m_txnControlBounds.left )
2467             TXNShowSelection( m_txn , kTXNShowStart ) ;
2468     }
2469 }
2470
2471 void wxMacMLTEClassicControl::SetRect( Rect *r )
2472 {
2473     wxMacControl::SetRect( r ) ;
2474     MacUpdatePosition() ;
2475 }
2476
2477 void wxMacMLTEClassicControl::MacControlUserPaneDrawProc(wxInt16 thePart)
2478 {
2479     wxTextCtrl* textctrl = (wxTextCtrl*)GetControlReference( m_controlRef );
2480     if ( textctrl == NULL )
2481         return ;
2482
2483     if ( textctrl->MacIsReallyShown() )
2484     {
2485         wxMacWindowClipper clipper( textctrl ) ;
2486         TXNDraw( m_txn , NULL ) ;
2487     }
2488 }
2489
2490 wxInt16 wxMacMLTEClassicControl::MacControlUserPaneHitTestProc(wxInt16 x, wxInt16 y)
2491 {
2492     Point where = { y , x } ;
2493     ControlPartCode result = kControlNoPart;
2494
2495     wxTextCtrl* textctrl = (wxTextCtrl*) GetControlReference( m_controlRef );
2496     if ( (textctrl != NULL) && textctrl->MacIsReallyShown() )
2497     {
2498         if (PtInRect( where, &m_txnControlBounds ))
2499         {
2500             result = kControlEditTextPart ;
2501         }
2502         else
2503         {
2504             // sometimes we get the coords also in control local coordinates, therefore test again
2505             if ( textctrl->MacGetTopLevelWindow()->MacUsesCompositing() )
2506             {
2507                 int x = 0 , y = 0 ;
2508                 textctrl->MacClientToRootWindow( &x , &y ) ;
2509                 where.h += x ;
2510                 where.v += y ;
2511             }
2512
2513             if (PtInRect( where, &m_txnControlBounds ))
2514                 result = kControlEditTextPart ;
2515         }
2516     }
2517
2518     return result;
2519 }
2520
2521 wxInt16 wxMacMLTEClassicControl::MacControlUserPaneTrackingProc( wxInt16 x, wxInt16 y, void* actionProc )
2522 {
2523     ControlPartCode result = kControlNoPart;
2524
2525     wxTextCtrl* textctrl = (wxTextCtrl*) GetControlReference( m_controlRef );
2526     if ( (textctrl != NULL) && textctrl->MacIsReallyShown() )
2527     {
2528         Point startPt = { y , x } ;
2529         // for compositing, we must convert these into toplevel window coordinates, because hittesting expects them
2530         if ( textctrl->MacGetTopLevelWindow()->MacUsesCompositing() )
2531         {
2532             int x = 0 , y = 0 ;
2533             textctrl->MacClientToRootWindow( &x , &y ) ;
2534             startPt.h += x ;
2535             startPt.v += y ;
2536         }
2537
2538         switch (MacControlUserPaneHitTestProc( startPt.h , startPt.v ))
2539         {
2540             case kControlEditTextPart :
2541             {
2542                 wxMacWindowClipper clipper( textctrl ) ;
2543                 EventRecord rec ;
2544
2545                 ConvertEventRefToEventRecord( (EventRef) wxTheApp->MacGetCurrentEvent() , &rec ) ;
2546                 TXNClick( m_txn, &rec );
2547             }
2548                 break;
2549
2550             default :
2551                 break;
2552         }
2553     }
2554
2555     return result;
2556 }
2557
2558 void wxMacMLTEClassicControl::MacControlUserPaneIdleProc()
2559 {
2560     wxTextCtrl* textctrl = (wxTextCtrl*)GetControlReference( m_controlRef );
2561     if ( textctrl == NULL )
2562         return ;
2563
2564     if (textctrl->MacIsReallyShown())
2565     {
2566         if (IsControlActive(m_controlRef))
2567         {
2568             Point mousep;
2569
2570             wxMacWindowClipper clipper( textctrl ) ;
2571             GetMouse(&mousep);
2572
2573             TXNIdle(m_txn);
2574
2575             if (PtInRect(mousep, &m_txnControlBounds))
2576             {
2577                 RgnHandle theRgn = NewRgn();
2578                 RectRgn(theRgn, &m_txnControlBounds);
2579                 TXNAdjustCursor(m_txn, theRgn);
2580                 DisposeRgn(theRgn);
2581             }
2582         }
2583     }
2584 }
2585
2586 wxInt16 wxMacMLTEClassicControl::MacControlUserPaneKeyDownProc (wxInt16 keyCode, wxInt16 charCode, wxInt16 modifiers)
2587 {
2588     wxTextCtrl* textctrl = (wxTextCtrl*)GetControlReference( m_controlRef );
2589     if ( textctrl == NULL )
2590         return kControlNoPart;
2591
2592     wxMacWindowClipper clipper( textctrl ) ;
2593
2594     EventRecord ev ;
2595     memset( &ev , 0 , sizeof( ev ) ) ;
2596     ev.what = keyDown ;
2597     ev.modifiers = modifiers ;
2598     ev.message = ((keyCode << 8) & keyCodeMask) | (charCode & charCodeMask);
2599     TXNKeyDown( m_txn , &ev );
2600
2601     return kControlEntireControl;
2602 }
2603
2604 void wxMacMLTEClassicControl::MacControlUserPaneActivateProc(bool activating)
2605 {
2606     MacActivatePaneText( activating );
2607 }
2608
2609 wxInt16 wxMacMLTEClassicControl::MacControlUserPaneFocusProc(wxInt16 action)
2610 {
2611     ControlPartCode focusResult = kControlFocusNoPart;
2612
2613     wxTextCtrl* textctrl = (wxTextCtrl*)GetControlReference( m_controlRef );
2614     if ( textctrl == NULL )
2615         return focusResult;
2616
2617     wxMacWindowClipper clipper( textctrl ) ;
2618
2619     ControlRef controlFocus = NULL ;
2620     GetKeyboardFocus( m_txnWindow , &controlFocus ) ;
2621     bool wasFocused = ( controlFocus == m_controlRef ) ;
2622
2623     switch (action)
2624     {
2625         case kControlFocusPrevPart:
2626         case kControlFocusNextPart:
2627             MacFocusPaneText( !wasFocused );
2628             focusResult = (!wasFocused ? (ControlPartCode) kControlEditTextPart : (ControlPartCode) kControlFocusNoPart);
2629             break;
2630
2631         case kControlFocusNoPart:
2632         default:
2633             MacFocusPaneText( false );
2634             focusResult = kControlFocusNoPart;
2635             break;
2636     }
2637
2638     return focusResult;
2639 }
2640
2641 void wxMacMLTEClassicControl::MacControlUserPaneBackgroundProc( void *info )
2642 {
2643 }
2644
2645 wxMacMLTEClassicControl::wxMacMLTEClassicControl( wxTextCtrl *wxPeer,
2646     const wxString& str,
2647     const wxPoint& pos,
2648     const wxSize& size, long style )
2649     : wxMacMLTEControl( wxPeer )
2650 {
2651     m_font = wxPeer->GetFont() ;
2652     m_windowStyle = style ;
2653     Rect bounds = wxMacGetBoundsForControl( wxPeer , pos , size ) ;
2654
2655     short featureSet =
2656         kControlSupportsEmbedding | kControlSupportsFocus | kControlWantsIdle
2657         | kControlWantsActivate  | kControlHandlesTracking
2658 //    | kControlHasSpecialBackground
2659         | kControlGetsFocusOnClick | kControlSupportsLiveFeedback;
2660
2661    OSStatus err = ::CreateUserPaneControl(
2662         MAC_WXHWND(wxPeer->GetParent()->MacGetTopLevelWindowRef()),
2663         &bounds, featureSet, &m_controlRef );
2664     verify_noerr( err );
2665
2666     DoCreate();
2667
2668     AdjustCreationAttributes( *wxWHITE , true ) ;
2669
2670     MacSetObjectVisibility( wxPeer->MacIsReallyShown() ) ;
2671
2672     {
2673         wxString st = str ;
2674         wxMacConvertNewlines10To13( &st ) ;
2675         wxMacWindowClipper clipper( m_peer ) ;
2676         SetTXNData( st , kTXNStartOffset, kTXNEndOffset ) ;
2677         TXNSetSelection( m_txn, 0, 0 ) ;
2678     }
2679 }
2680
2681 wxMacMLTEClassicControl::~wxMacMLTEClassicControl()
2682 {
2683     TXNDeleteObject( m_txn );
2684     m_txn = NULL ;
2685 }
2686
2687 void wxMacMLTEClassicControl::VisibilityChanged(bool shown)
2688 {
2689     MacSetObjectVisibility( shown ) ;
2690     wxMacControl::VisibilityChanged( shown ) ;
2691 }
2692
2693 void wxMacMLTEClassicControl::SuperChangedPosition()
2694 {
2695     MacUpdatePosition() ;
2696     wxMacControl::SuperChangedPosition() ;
2697 }
2698
2699 #ifdef __WXMAC_OSX__
2700
2701 ControlUserPaneDrawUPP gTPDrawProc = NULL;
2702 ControlUserPaneHitTestUPP gTPHitProc = NULL;
2703 ControlUserPaneTrackingUPP gTPTrackProc = NULL;
2704 ControlUserPaneIdleUPP gTPIdleProc = NULL;
2705 ControlUserPaneKeyDownUPP gTPKeyProc = NULL;
2706 ControlUserPaneActivateUPP gTPActivateProc = NULL;
2707 ControlUserPaneFocusUPP gTPFocusProc = NULL;
2708
2709 static pascal void wxMacControlUserPaneDrawProc(ControlRef control, SInt16 part)
2710 {
2711     wxTextCtrl *textCtrl =  wxDynamicCast( wxFindControlFromMacControl(control) , wxTextCtrl ) ;
2712     wxMacMLTEClassicControl * win = textCtrl ? (wxMacMLTEClassicControl*)(textCtrl->GetPeer()) : NULL ;
2713     if ( win )
2714         win->MacControlUserPaneDrawProc( part ) ;
2715 }
2716
2717 static pascal ControlPartCode wxMacControlUserPaneHitTestProc(ControlRef control, Point where)
2718 {
2719     wxTextCtrl *textCtrl =  wxDynamicCast( wxFindControlFromMacControl(control) , wxTextCtrl ) ;
2720     wxMacMLTEClassicControl * win = textCtrl ? (wxMacMLTEClassicControl*)(textCtrl->GetPeer()) : NULL ;
2721     if ( win )
2722         return win->MacControlUserPaneHitTestProc( where.h , where.v ) ;
2723     else
2724         return kControlNoPart ;
2725 }
2726
2727 static pascal ControlPartCode wxMacControlUserPaneTrackingProc(ControlRef control, Point startPt, ControlActionUPP actionProc)
2728 {
2729     wxTextCtrl *textCtrl =  wxDynamicCast( wxFindControlFromMacControl(control) , wxTextCtrl ) ;
2730     wxMacMLTEClassicControl * win = textCtrl ? (wxMacMLTEClassicControl*)(textCtrl->GetPeer()) : NULL ;
2731     if ( win )
2732         return win->MacControlUserPaneTrackingProc( startPt.h , startPt.v , (void*) actionProc ) ;
2733     else
2734         return kControlNoPart ;
2735 }
2736
2737 static pascal void wxMacControlUserPaneIdleProc(ControlRef control)
2738 {
2739     wxTextCtrl *textCtrl =  wxDynamicCast( wxFindControlFromMacControl(control) , wxTextCtrl ) ;
2740     wxMacMLTEClassicControl * win = textCtrl ? (wxMacMLTEClassicControl*)(textCtrl->GetPeer()) : NULL ;
2741     if ( win )
2742         win->MacControlUserPaneIdleProc() ;
2743 }
2744
2745 static pascal ControlPartCode wxMacControlUserPaneKeyDownProc(ControlRef control, SInt16 keyCode, SInt16 charCode, SInt16 modifiers)
2746 {
2747     wxTextCtrl *textCtrl =  wxDynamicCast( wxFindControlFromMacControl(control) , wxTextCtrl ) ;
2748     wxMacMLTEClassicControl * win = textCtrl ? (wxMacMLTEClassicControl*)(textCtrl->GetPeer()) : NULL ;
2749     if ( win )
2750         return win->MacControlUserPaneKeyDownProc( keyCode, charCode, modifiers ) ;
2751     else
2752         return kControlNoPart ;
2753 }
2754
2755 static pascal void wxMacControlUserPaneActivateProc(ControlRef control, Boolean activating)
2756 {
2757     wxTextCtrl *textCtrl =  wxDynamicCast( wxFindControlFromMacControl(control) , wxTextCtrl ) ;
2758     wxMacMLTEClassicControl * win = textCtrl ? (wxMacMLTEClassicControl*)(textCtrl->GetPeer()) : NULL ;
2759     if ( win )
2760         win->MacControlUserPaneActivateProc( activating ) ;
2761 }
2762
2763 static pascal ControlPartCode wxMacControlUserPaneFocusProc(ControlRef control, ControlFocusPart action)
2764 {
2765     wxTextCtrl *textCtrl =  wxDynamicCast( wxFindControlFromMacControl(control) , wxTextCtrl ) ;
2766     wxMacMLTEClassicControl * win = textCtrl ? (wxMacMLTEClassicControl*)(textCtrl->GetPeer()) : NULL ;
2767     if ( win )
2768         return win->MacControlUserPaneFocusProc( action ) ;
2769     else
2770         return kControlNoPart ;
2771 }
2772
2773 #if 0
2774 static pascal void wxMacControlUserPaneBackgroundProc(ControlRef control, ControlBackgroundPtr info)
2775 {
2776     wxTextCtrl *textCtrl =  wxDynamicCast( wxFindControlFromMacControl(control) , wxTextCtrl ) ;
2777     wxMacMLTEClassicControl * win = textCtrl ? (wxMacMLTEClassicControl*)(textCtrl->GetPeer()) : NULL ;
2778     if ( win )
2779         win->MacControlUserPaneBackgroundProc(info) ;
2780 }
2781 #endif
2782
2783 #endif // __WXMAC_OSX__
2784
2785 // TXNRegisterScrollInfoProc
2786
2787 OSStatus wxMacMLTEClassicControl::DoCreate()
2788 {
2789     Rect bounds;
2790     OSStatus err = noErr ;
2791
2792     // set up our globals
2793 #ifdef __WXMAC_OSX__
2794     if (gTPDrawProc == NULL) gTPDrawProc = NewControlUserPaneDrawUPP(wxMacControlUserPaneDrawProc);
2795     if (gTPHitProc == NULL) gTPHitProc = NewControlUserPaneHitTestUPP(wxMacControlUserPaneHitTestProc);
2796     if (gTPTrackProc == NULL) gTPTrackProc = NewControlUserPaneTrackingUPP(wxMacControlUserPaneTrackingProc);
2797     if (gTPIdleProc == NULL) gTPIdleProc = NewControlUserPaneIdleUPP(wxMacControlUserPaneIdleProc);
2798     if (gTPKeyProc == NULL) gTPKeyProc = NewControlUserPaneKeyDownUPP(wxMacControlUserPaneKeyDownProc);
2799     if (gTPActivateProc == NULL) gTPActivateProc = NewControlUserPaneActivateUPP(wxMacControlUserPaneActivateProc);
2800     if (gTPFocusProc == NULL) gTPFocusProc = NewControlUserPaneFocusUPP(wxMacControlUserPaneFocusProc);
2801
2802     if (gTXNScrollInfoProc == NULL ) gTXNScrollInfoProc = NewTXNScrollInfoUPP(TXNScrollInfoProc) ;
2803     if (gTXNScrollActionProc == NULL ) gTXNScrollActionProc = NewControlActionUPP(TXNScrollActionProc) ;
2804 #endif
2805
2806     // set the initial settings for our private data
2807
2808     m_txnWindow = GetControlOwner(m_controlRef);
2809     m_txnPort = (GrafPtr) GetWindowPort(m_txnWindow);
2810
2811 #ifdef __WXMAC_OSX__
2812     // set up the user pane procedures
2813     SetControlData(m_controlRef, kControlEntireControl, kControlUserPaneDrawProcTag, sizeof(gTPDrawProc), &gTPDrawProc);
2814     SetControlData(m_controlRef, kControlEntireControl, kControlUserPaneHitTestProcTag, sizeof(gTPHitProc), &gTPHitProc);
2815     SetControlData(m_controlRef, kControlEntireControl, kControlUserPaneTrackingProcTag, sizeof(gTPTrackProc), &gTPTrackProc);
2816     SetControlData(m_controlRef, kControlEntireControl, kControlUserPaneIdleProcTag, sizeof(gTPIdleProc), &gTPIdleProc);
2817     SetControlData(m_controlRef, kControlEntireControl, kControlUserPaneKeyDownProcTag, sizeof(gTPKeyProc), &gTPKeyProc);
2818     SetControlData(m_controlRef, kControlEntireControl, kControlUserPaneActivateProcTag, sizeof(gTPActivateProc), &gTPActivateProc);
2819     SetControlData(m_controlRef, kControlEntireControl, kControlUserPaneFocusProcTag, sizeof(gTPFocusProc), &gTPFocusProc);
2820 #endif
2821
2822     // calculate the rectangles used by the control
2823     UMAGetControlBoundsInWindowCoords( m_controlRef, &bounds );
2824
2825     m_txnControlBounds = bounds ;
2826     m_txnVisBounds = bounds ;
2827
2828     CGrafPtr origPort ;
2829     GDHandle origDev ;
2830
2831     GetGWorld( &origPort, &origDev ) ;
2832     SetPort( m_txnPort );
2833
2834     // create the new edit field
2835     TXNFrameOptions frameOptions = FrameOptionsFromWXStyle( m_windowStyle );
2836
2837 #ifdef __WXMAC_OSX__
2838     // the scrollbars are not correctly embedded but are inserted at the root:
2839     // this gives us problems as we have erratic redraws even over the structure area
2840
2841     m_sbHorizontal = 0 ;
2842     m_sbVertical = 0 ;
2843     m_lastHorizontalValue = 0 ;
2844     m_lastVerticalValue = 0 ;
2845
2846     Rect sb = { 0 , 0 , 0 , 0 } ;
2847     if ( frameOptions & kTXNWantVScrollBarMask )
2848     {
2849         CreateScrollBarControl( m_txnWindow, &sb, 0, 0, 100, 1, true, gTXNScrollActionProc, &m_sbVertical );
2850         SetControlReference( m_sbVertical, (SInt32)this );
2851         SetControlAction( m_sbVertical, gTXNScrollActionProc );
2852         ShowControl( m_sbVertical );
2853         EmbedControl( m_sbVertical , m_controlRef );
2854         frameOptions &= ~kTXNWantVScrollBarMask;
2855     }
2856
2857     if ( frameOptions & kTXNWantHScrollBarMask )
2858     {
2859         CreateScrollBarControl( m_txnWindow, &sb, 0, 0, 100, 1, true, gTXNScrollActionProc, &m_sbHorizontal );
2860         SetControlReference( m_sbHorizontal, (SInt32)this );
2861         SetControlAction( m_sbHorizontal, gTXNScrollActionProc );
2862         ShowControl( m_sbHorizontal );
2863         EmbedControl( m_sbHorizontal, m_controlRef );
2864         frameOptions &= ~(kTXNWantHScrollBarMask | kTXNDrawGrowIconMask);
2865     }
2866
2867 #endif
2868
2869     err = TXNNewObject(
2870         NULL, m_txnWindow, &bounds, frameOptions,
2871         kTXNTextEditStyleFrameType, kTXNTextensionFile, kTXNSystemDefaultEncoding,
2872         &m_txn, &m_txnFrameID, NULL );
2873     verify_noerr( err );
2874
2875 #if 0
2876     TXNControlTag iControlTags[] = { kTXNUseCarbonEvents };
2877     TXNControlData iControlData[] = { { (UInt32)&cInfo } };
2878     int toptag = WXSIZEOF( iControlTags ) ;
2879     TXNCarbonEventInfo cInfo ;
2880     cInfo.useCarbonEvents = false ;
2881     cInfo.filler = 0 ;
2882     cInfo.flags = 0 ;
2883     cInfo.fDictionary = NULL ;
2884
2885     verify_noerr( TXNSetTXNObjectControls( m_txn, false, toptag, iControlTags, iControlData ) );
2886 #endif
2887
2888 #ifdef __WXMAC_OSX__
2889     TXNRegisterScrollInfoProc( m_txn, gTXNScrollInfoProc, (SInt32)this );
2890 #endif
2891
2892     SetGWorld( origPort , origDev ) ;
2893
2894     return err;
2895 }
2896
2897 // ----------------------------------------------------------------------------
2898 // MLTE control implementation (OSX part)
2899 // ----------------------------------------------------------------------------
2900
2901 #if TARGET_API_MAC_OSX
2902
2903 #if MAC_OS_X_VERSION_MAX_ALLOWED > MAC_OS_X_VERSION_10_2
2904
2905 wxMacMLTEHIViewControl::wxMacMLTEHIViewControl( wxTextCtrl *wxPeer,
2906     const wxString& str,
2907     const wxPoint& pos,
2908     const wxSize& size, long style ) : wxMacMLTEControl( wxPeer )
2909 {
2910     m_font = wxPeer->GetFont() ;
2911     m_windowStyle = style ;
2912     Rect bounds = wxMacGetBoundsForControl( wxPeer , pos , size ) ;
2913     wxString st = str ;
2914     wxMacConvertNewlines10To13( &st ) ;
2915
2916     HIRect hr = {
2917         { bounds.left , bounds.top },
2918         { bounds.right - bounds.left, bounds.bottom - bounds.top } } ;
2919
2920     m_scrollView = NULL ;
2921     TXNFrameOptions frameOptions = FrameOptionsFromWXStyle( style ) ;
2922     if ( frameOptions & (kTXNWantVScrollBarMask | kTXNWantHScrollBarMask) )
2923     {
2924         HIScrollViewCreate(
2925             (frameOptions & kTXNWantHScrollBarMask ? kHIScrollViewOptionsHorizScroll : 0)
2926             | (frameOptions & kTXNWantVScrollBarMask ? kHIScrollViewOptionsVertScroll : 0) ,
2927             &m_scrollView ) ;
2928
2929         HIViewSetFrame( m_scrollView, &hr );
2930         HIViewSetVisible( m_scrollView, true );
2931     }
2932
2933     m_textView = NULL ;
2934     HITextViewCreate( NULL , 0, frameOptions , &m_textView ) ;
2935     m_txn = HITextViewGetTXNObject( m_textView ) ;
2936     HIViewSetVisible( m_textView , true ) ;
2937     if ( m_scrollView )
2938     {
2939         HIViewAddSubview( m_scrollView , m_textView ) ;
2940         m_controlRef = m_scrollView ;
2941         wxPeer->MacInstallEventHandler( (WXWidget) m_textView ) ;
2942     }
2943     else
2944     {
2945         HIViewSetFrame( m_textView, &hr );
2946         m_controlRef = m_textView ;
2947     }
2948
2949     AdjustCreationAttributes( *wxWHITE , true ) ;
2950
2951     wxMacWindowClipper c( m_peer ) ;
2952     SetTXNData( st , kTXNStartOffset, kTXNEndOffset ) ;
2953
2954     TXNSetSelection( m_txn, 0, 0 );
2955     TXNShowSelection( m_txn, kTXNShowStart );
2956 }
2957
2958 OSStatus wxMacMLTEHIViewControl::SetFocus( ControlFocusPart focusPart )
2959 {
2960     return SetKeyboardFocus( GetControlOwner( m_textView ), m_textView, focusPart ) ;
2961 }
2962
2963 bool wxMacMLTEHIViewControl::HasFocus() const
2964 {
2965     ControlRef control ;
2966     GetKeyboardFocus( GetUserFocusWindow() , &control ) ;
2967     return control == m_textView ;
2968 }
2969
2970 void wxMacMLTEHIViewControl::SetBackground( const wxBrush &brush )
2971 {
2972     wxMacMLTEControl::SetBackground( brush ) ;
2973
2974 #if 0
2975     CGColorSpaceRef rgbSpace = CGColorSpaceCreateDeviceRGB();
2976     RGBColor col = MAC_WXCOLORREF(brush.GetColour().GetPixel()) ;
2977
2978     float component[4] ;
2979     component[0] = col.red / 65536.0 ;
2980     component[1] = col.green / 65536.0 ;
2981     component[2] = col.blue / 65536.0 ;
2982     component[3] = 1.0 ; // alpha
2983
2984     CGColorRef color = CGColorCreate( rgbSpace , component );
2985     HITextViewSetBackgroundColor( m_textView , color );
2986     CGColorSpaceRelease( rgbSpace );
2987 #endif
2988 }
2989
2990 #endif // MAC_OS_X_VERSION_MAX_ALLOWED > MAC_OS_X_VERSION_10_2
2991
2992
2993 #endif
2994
2995 #endif // wxUSE_TEXTCTRL