src/osx/carbon/textctrl.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/mac/carbon/textctrl.cpp
   3 // Purpose:     wxTextCtrl
   4 // Author:      Stefan Csomor
   5 // Modified by: Ryan Norton (MLTE GetLineLength and GetLineText)
   6 // Created:     1998-01-01
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Stefan Csomor
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #include "wx/wxprec.h"
  13
  14 #if wxUSE_TEXTCTRL
  15
  16 #include "wx/textctrl.h"
  17
  18 #ifndef WX_PRECOMP
  19     #include "wx/intl.h"
  20     #include "wx/app.h"
  21     #include "wx/utils.h"
  22     #include "wx/dc.h"
  23     #include "wx/button.h"
  24     #include "wx/menu.h"
  25     #include "wx/settings.h"
  26     #include "wx/msgdlg.h"
  27     #include "wx/toplevel.h"
  28 #endif
  29
  30 #ifdef __DARWIN__
  31     #include <sys/types.h>
  32     #include <sys/stat.h>
  33 #else
  34     #include <stat.h>
  35 #endif
  36
  37 #if wxUSE_STD_IOSTREAM
  38     #if wxUSE_IOSTREAMH
  39         #include <fstream.h>
  40     #else
  41         #include <fstream>
  42     #endif
  43 #endif
  44
  45 #include "wx/filefn.h"
  46 #include "wx/sysopt.h"
  47 #include "wx/thread.h"
  48
  49 #include "wx/osx/uma.h"
  50 #include "wx/osx/carbon/private/mactext.h"
  51
  52 class wxMacFunctor
  53 {
  54 public :
  55     wxMacFunctor() {}
  56     virtual ~wxMacFunctor() {}
  57
  58     virtual void* operator()() = 0 ;
  59
  60     static void* CallBackProc( void *param )
  61     {
  62         wxMacFunctor* f = (wxMacFunctor*) param ;
  63         void *result = (*f)() ;
  64         return result ;
  65     }
  66 } ;
  67
  68 template<typename classtype, typename param1type>
  69
  70 class wxMacObjectFunctor1 : public wxMacFunctor
  71 {
  72     typedef void (classtype::*function)( param1type p1 ) ;
  73     typedef void (classtype::*ref_function)( const param1type& p1 ) ;
  74 public :
  75     wxMacObjectFunctor1( classtype *obj , function f , param1type p1 ) :
  76         wxMacFunctor()
  77     {
  78         m_object = obj ;
  79         m_function = f ;
  80         m_param1 = p1 ;
  81     }
  82
  83     wxMacObjectFunctor1( classtype *obj , ref_function f , param1type p1 ) :
  84         wxMacFunctor()
  85     {
  86         m_object = obj ;
  87         m_refFunction = f ;
  88         m_param1 = p1 ;
  89     }
  90
  91     virtual ~wxMacObjectFunctor1() {}
  92
  93     virtual void* operator()()
  94     {
  95         (m_object->*m_function)( m_param1 ) ;
  96         return NULL ;
  97     }
  98
  99 private :
 100     classtype* m_object ;
 101     param1type m_param1 ;
 102     union
 103     {
 104         function m_function ;
 105         ref_function m_refFunction ;
 106     } ;
 107 } ;
 108
 109 template<typename classtype, typename param1type>
 110 void* wxMacMPRemoteCall( classtype *object , void (classtype::*function)( param1type p1 ) , param1type p1 )
 111 {
 112     wxMacObjectFunctor1<classtype, param1type> params(object, function, p1) ;
 113     void *result =
 114         MPRemoteCall( wxMacFunctor::CallBackProc , &params , kMPOwningProcessRemoteContext ) ;
 115     return result ;
 116 }
 117
 118 template<typename classtype, typename param1type>
 119 void* wxMacMPRemoteCall( classtype *object , void (classtype::*function)( const param1type& p1 ) , param1type p1 )
 120 {
 121     wxMacObjectFunctor1<classtype,param1type> params(object, function, p1) ;
 122     void *result =
 123         MPRemoteCall( wxMacFunctor::CallBackProc , &params , kMPOwningProcessRemoteContext ) ;
 124     return result ;
 125 }
 126
 127 template<typename classtype, typename param1type>
 128 void* wxMacMPRemoteGUICall( classtype *object , void (classtype::*function)( param1type p1 ) , param1type p1 )
 129 {
 130     wxMutexGuiLeave() ;
 131     void *result = wxMacMPRemoteCall( object , function , p1 ) ;
 132     wxMutexGuiEnter() ;
 133     return result ;
 134 }
 135
 136 template<typename classtype, typename param1type>
 137 void* wxMacMPRemoteGUICall( classtype *object , void (classtype::*function)( const param1type& p1 ) , param1type p1 )
 138 {
 139     wxMutexGuiLeave() ;
 140     void *result = wxMacMPRemoteCall( object , function , p1 ) ;
 141     wxMutexGuiEnter() ;
 142     return result ;
 143 }
 144
 145 class WXDLLEXPORT wxMacPortSaver
 146 {
 147     DECLARE_NO_COPY_CLASS(wxMacPortSaver)
 148
 149 public:
 150     wxMacPortSaver( GrafPtr port );
 151     ~wxMacPortSaver();
 152 private :
 153     GrafPtr m_port;
 154 };
 155
 156
 157 /*
 158  Clips to the visible region of a control within the current port
 159  */
 160
 161 class WXDLLEXPORT wxMacWindowClipper : public wxMacPortSaver
 162 {
 163     DECLARE_NO_COPY_CLASS(wxMacWindowClipper)
 164
 165 public:
 166     wxMacWindowClipper( const wxWindow* win );
 167     ~wxMacWindowClipper();
 168 private:
 169     GrafPtr   m_newPort;
 170     RgnHandle m_formerClip;
 171     RgnHandle m_newClip;
 172 };
 173
 174 wxMacPortSaver::wxMacPortSaver( GrafPtr port )
 175 {
 176     ::GetPort( &m_port );
 177     ::SetPort( port );
 178 }
 179
 180 wxMacPortSaver::~wxMacPortSaver()
 181 {
 182     ::SetPort( m_port );
 183 }
 184
 185 wxMacWindowClipper::wxMacWindowClipper( const wxWindow* win ) :
 186 wxMacPortSaver( (GrafPtr) GetWindowPort( (WindowRef) win->MacGetTopLevelWindowRef() ) )
 187 {
 188     m_newPort = (GrafPtr) GetWindowPort( (WindowRef) win->MacGetTopLevelWindowRef() ) ;
 189     m_formerClip = NewRgn() ;
 190     m_newClip = NewRgn() ;
 191     GetClip( m_formerClip ) ;
 192
 193     if ( win )
 194     {
 195         // guard against half constructed objects, this just leads to a empty clip
 196         if ( win->GetPeer() )
 197         {
 198             int x = 0 , y = 0;
 199             win->MacWindowToRootWindow( &x, &y ) ;
 200
 201             // get area including focus rect
 202             HIShapeGetAsQDRgn( ((wxWindow*)win)->MacGetVisibleRegion(true).GetWXHRGN() , m_newClip );
 203             if ( !EmptyRgn( m_newClip ) )
 204                 OffsetRgn( m_newClip , x , y ) ;
 205         }
 206
 207         SetClip( m_newClip ) ;
 208     }
 209 }
 210
 211 wxMacWindowClipper::~wxMacWindowClipper()
 212 {
 213     SetPort( m_newPort ) ;
 214     SetClip( m_formerClip ) ;
 215     DisposeRgn( m_newClip ) ;
 216     DisposeRgn( m_formerClip ) ;
 217 }
 218
 219 // common parts for implementations based on MLTE
 220
 221 class wxMacMLTEControl : public wxMacTextControl
 222 {
 223 public :
 224     wxMacMLTEControl( wxTextCtrl *peer ) ;
 225
 226     virtual wxString GetStringValue() const ;
 227     virtual void SetStringValue( const wxString &str ) ;
 228
 229     static TXNFrameOptions FrameOptionsFromWXStyle( long wxStyle ) ;
 230
 231     void AdjustCreationAttributes( const wxColour& background, bool visible ) ;
 232
 233     virtual void SetFont( const wxFont & font, const wxColour& foreground, long windowStyle ) ;
 234     virtual void SetBackgroundColour(const wxColour& col );
 235     virtual void SetStyle( long start, long end, const wxTextAttr& style ) ;
 236     virtual void Copy() ;
 237     virtual void Cut() ;
 238     virtual void Paste() ;
 239     virtual bool CanPaste() const ;
 240     virtual void SetEditable( bool editable ) ;
 241     virtual wxTextPos GetLastPosition() const ;
 242     virtual void Replace( long from, long to, const wxString &str ) ;
 243     virtual void Remove( long from, long to ) ;
 244     virtual void GetSelection( long* from, long* to ) const ;
 245     virtual void SetSelection( long from, long to ) ;
 246
 247     virtual void WriteText( const wxString& str ) ;
 248
 249     virtual bool HasOwnContextMenu() const
 250     {
 251         TXNCommandEventSupportOptions options ;
 252         TXNGetCommandEventSupport( m_txn , & options ) ;
 253         return options & kTXNSupportEditCommandProcessing ;
 254     }
 255
 256     virtual void CheckSpelling(bool check)
 257     {
 258         TXNSetSpellCheckAsYouType( m_txn, (Boolean) check );
 259     }
 260     virtual void Clear() ;
 261
 262     virtual bool CanUndo() const ;
 263     virtual void Undo() ;
 264     virtual bool CanRedo()  const;
 265     virtual void Redo() ;
 266     virtual int GetNumberOfLines() const ;
 267     virtual long XYToPosition(long x, long y) const ;
 268     virtual bool PositionToXY(long pos, long *x, long *y) const ;
 269     virtual void ShowPosition( long pos ) ;
 270     virtual int GetLineLength(long lineNo) const ;
 271     virtual wxString GetLineText(long lineNo) const ;
 272
 273     void SetTXNData( const wxString& st , TXNOffset start , TXNOffset end ) ;
 274     TXNObject GetTXNObject() { return m_txn ; }
 275
 276 protected :
 277     void TXNSetAttribute( const wxTextAttr& style , long from , long to ) ;
 278
 279     TXNObject m_txn ;
 280 } ;
 281
 282 // implementation available under OSX
 283
 284 class wxMacMLTEHIViewControl : public wxMacMLTEControl
 285 {
 286 public :
 287     wxMacMLTEHIViewControl( wxTextCtrl *wxPeer,
 288                              const wxString& str,
 289                              const wxPoint& pos,
 290                              const wxSize& size, long style ) ;
 291     virtual ~wxMacMLTEHIViewControl() ;
 292
 293     virtual OSStatus SetFocus( ControlFocusPart focusPart ) ;
 294     virtual bool HasFocus() const ;
 295     virtual void SetBackgroundColour(const wxColour& col ) ;
 296
 297 protected :
 298     HIViewRef m_scrollView ;
 299     HIViewRef m_textView ;
 300 };
 301
 302 // 'classic' MLTE implementation
 303
 304 class wxMacMLTEClassicControl : public wxMacMLTEControl
 305 {
 306 public :
 307     wxMacMLTEClassicControl( wxTextCtrl *wxPeer,
 308                              const wxString& str,
 309                              const wxPoint& pos,
 310                              const wxSize& size, long style ) ;
 311     virtual ~wxMacMLTEClassicControl() ;
 312
 313     virtual void VisibilityChanged(bool shown) ;
 314     virtual void SuperChangedPosition() ;
 315
 316     virtual void            MacControlUserPaneDrawProc(wxInt16 part) ;
 317     virtual wxInt16         MacControlUserPaneHitTestProc(wxInt16 x, wxInt16 y) ;
 318     virtual wxInt16         MacControlUserPaneTrackingProc(wxInt16 x, wxInt16 y, void* actionProc) ;
 319     virtual void            MacControlUserPaneIdleProc() ;
 320     virtual wxInt16         MacControlUserPaneKeyDownProc(wxInt16 keyCode, wxInt16 charCode, wxInt16 modifiers) ;
 321     virtual void            MacControlUserPaneActivateProc(bool activating) ;
 322     virtual wxInt16         MacControlUserPaneFocusProc(wxInt16 action) ;
 323     virtual void            MacControlUserPaneBackgroundProc(void* info) ;
 324
 325     virtual bool SetupCursor( const wxPoint& WXUNUSED(pt) )
 326     {
 327         MacControlUserPaneIdleProc();
 328         return true;
 329     }
 330
 331     virtual void            SetRect( Rect *r ) ;
 332
 333 protected :
 334     OSStatus                 DoCreate();
 335
 336     void                    MacUpdatePosition() ;
 337     void                    MacActivatePaneText(bool setActive) ;
 338     void                    MacFocusPaneText(bool setFocus) ;
 339     void                    MacSetObjectVisibility(bool vis) ;
 340
 341 private :
 342     TXNFrameID              m_txnFrameID ;
 343     GrafPtr                 m_txnPort ;
 344     WindowRef               m_txnWindow ;
 345     // bounds of the control as we last did set the txn frames
 346     Rect                    m_txnControlBounds ;
 347     Rect                    m_txnVisBounds ;
 348
 349     static pascal void TXNScrollActionProc( ControlRef controlRef , ControlPartCode partCode ) ;
 350     static pascal void TXNScrollInfoProc(
 351         SInt32 iValue, SInt32 iMaximumValue,
 352         TXNScrollBarOrientation iScrollBarOrientation, SInt32 iRefCon ) ;
 353
 354     ControlRef              m_sbHorizontal ;
 355     SInt32                  m_lastHorizontalValue ;
 356     ControlRef              m_sbVertical ;
 357     SInt32                  m_lastVerticalValue ;
 358 };
 359
 360
 361 IMPLEMENT_DYNAMIC_CLASS(wxTextCtrl, wxTextCtrlBase)
 362
 363 BEGIN_EVENT_TABLE(wxTextCtrl, wxTextCtrlBase)
 364     EVT_DROP_FILES(wxTextCtrl::OnDropFiles)
 365     EVT_CHAR(wxTextCtrl::OnChar)
 366     EVT_MENU(wxID_CUT, wxTextCtrl::OnCut)
 367     EVT_MENU(wxID_COPY, wxTextCtrl::OnCopy)
 368     EVT_MENU(wxID_PASTE, wxTextCtrl::OnPaste)
 369     EVT_MENU(wxID_UNDO, wxTextCtrl::OnUndo)
 370     EVT_MENU(wxID_REDO, wxTextCtrl::OnRedo)
 371     EVT_MENU(wxID_CLEAR, wxTextCtrl::OnDelete)
 372     EVT_MENU(wxID_SELECTALL, wxTextCtrl::OnSelectAll)
 373
 374     EVT_CONTEXT_MENU(wxTextCtrl::OnContextMenu)
 375
 376     EVT_UPDATE_UI(wxID_CUT, wxTextCtrl::OnUpdateCut)
 377     EVT_UPDATE_UI(wxID_COPY, wxTextCtrl::OnUpdateCopy)
 378     EVT_UPDATE_UI(wxID_PASTE, wxTextCtrl::OnUpdatePaste)
 379     EVT_UPDATE_UI(wxID_UNDO, wxTextCtrl::OnUpdateUndo)
 380     EVT_UPDATE_UI(wxID_REDO, wxTextCtrl::OnUpdateRedo)
 381     EVT_UPDATE_UI(wxID_CLEAR, wxTextCtrl::OnUpdateDelete)
 382     EVT_UPDATE_UI(wxID_SELECTALL, wxTextCtrl::OnUpdateSelectAll)
 383 END_EVENT_TABLE()
 384
 385
 386 void wxTextCtrl::Init()
 387 {
 388     m_editable = true ;
 389     m_dirty = false;
 390
 391     m_maxLength = 0;
 392     m_privateContextMenu = NULL;
 393     m_triggerOnSetValue = true ;
 394 }
 395
 396 wxTextCtrl::~wxTextCtrl()
 397 {
 398     delete m_privateContextMenu;
 399 }
 400
 401 bool wxTextCtrl::Create( wxWindow *parent,
 402     wxWindowID id,
 403     const wxString& str,
 404     const wxPoint& pos,
 405     const wxSize& size,
 406     long style,
 407     const wxValidator& validator,
 408     const wxString& name )
 409 {
 410     m_macIsUserPane = false ;
 411     m_editable = true ;
 412
 413     if ( ! (style & wxNO_BORDER) )
 414         style = (style & ~wxBORDER_MASK) | wxSUNKEN_BORDER ;
 415
 416     if ( !wxTextCtrlBase::Create( parent, id, pos, size, style & ~(wxHSCROLL | wxVSCROLL), validator, name ) )
 417         return false;
 418
 419     if ( m_windowStyle & wxTE_MULTILINE )
 420     {
 421         // always turn on this style for multi-line controls
 422         m_windowStyle |= wxTE_PROCESS_ENTER;
 423         style |= wxTE_PROCESS_ENTER ;
 424     }
 425
 426     CreatePeer( str, pos, size, style );
 427
 428     MacPostControlCreate(pos, size) ;
 429
 430     // only now the embedding is correct and we can do a positioning update
 431
 432     MacSuperChangedPosition() ;
 433
 434     if ( m_windowStyle & wxTE_READONLY)
 435         SetEditable( false ) ;
 436
 437     SetCursor( wxCursor( wxCURSOR_IBEAM ) ) ;
 438
 439     return true;
 440 }
 441
 442 void wxTextCtrl::CreatePeer(
 443            const wxString& str,
 444            const wxPoint& pos,
 445            const wxSize& size, long style )
 446 {
 447     bool forceMLTE = false ;
 448
 449 #if wxUSE_SYSTEM_OPTIONS
 450     if (wxSystemOptions::HasOption( wxMAC_TEXTCONTROL_USE_MLTE ) && (wxSystemOptions::GetOptionInt( wxMAC_TEXTCONTROL_USE_MLTE ) == 1))
 451     {
 452         forceMLTE = true ;
 453     }
 454 #endif
 455
 456     if ( UMAGetSystemVersion() >= 0x1050 )
 457         forceMLTE = false;
 458
 459     if ( !forceMLTE )
 460     {
 461         if ( m_windowStyle & wxTE_MULTILINE || ( UMAGetSystemVersion() >= 0x1050 ) )
 462             m_peer = new wxMacMLTEHIViewControl( this , str , pos , size , style ) ;
 463     }
 464
 465     if ( !m_peer )
 466     {
 467         if ( !(m_windowStyle & wxTE_MULTILINE) && !forceMLTE )
 468         {
 469             m_peer = new wxMacUnicodeTextControl( this , str , pos , size , style ) ;
 470         }
 471     }
 472
 473     // the horizontal single line scrolling bug that made us keep the classic implementation
 474     // is fixed in 10.5
 475 #if MAC_OS_X_VERSION_MIN_REQUIRED < MAC_OS_X_VERSION_10_5
 476     if ( !m_peer )
 477         m_peer = new wxMacMLTEClassicControl( this , str , pos , size , style ) ;
 478 #endif
 479 }
 480
 481 void wxTextCtrl::MacSuperChangedPosition()
 482 {
 483     wxWindow::MacSuperChangedPosition() ;
 484     GetPeer()->SuperChangedPosition() ;
 485 }
 486
 487 void wxTextCtrl::MacVisibilityChanged()
 488 {
 489     GetPeer()->VisibilityChanged( GetPeer()->IsVisible() );
 490 }
 491
 492 void wxTextCtrl::MacCheckSpelling(bool check)
 493 {
 494     GetPeer()->CheckSpelling(check);
 495 }
 496
 497 wxString wxTextCtrl::GetValue() const
 498 {
 499     return GetPeer()->GetStringValue() ;
 500 }
 501
 502 void wxTextCtrl::GetSelection(long* from, long* to) const
 503 {
 504     GetPeer()->GetSelection( from , to ) ;
 505 }
 506
 507 void wxTextCtrl::DoSetValue(const wxString& str, int flags)
 508 {
 509     // optimize redraws
 510     if ( GetValue() == str )
 511         return;
 512
 513     GetPeer()->SetStringValue( str ) ;
 514
 515     if ( (flags & SetValue_SendEvent) && m_triggerOnSetValue )
 516     {
 517         SendTextUpdatedEvent();
 518     }
 519 }
 520
 521 void wxTextCtrl::SetMaxLength(unsigned long len)
 522 {
 523     m_maxLength = len ;
 524 }
 525
 526 bool wxTextCtrl::SetFont( const wxFont& font )
 527 {
 528     if ( !wxTextCtrlBase::SetFont( font ) )
 529         return false ;
 530
 531     GetPeer()->SetFont( font , GetForegroundColour() , GetWindowStyle() ) ;
 532
 533     return true ;
 534 }
 535
 536 bool wxTextCtrl::SetStyle(long start, long end, const wxTextAttr& style)
 537 {
 538     GetPeer()->SetStyle( start , end , style ) ;
 539
 540     return true ;
 541 }
 542
 543 bool wxTextCtrl::SetDefaultStyle(const wxTextAttr& style)
 544 {
 545     wxTextCtrlBase::SetDefaultStyle( style ) ;
 546     SetStyle( kTXNUseCurrentSelection , kTXNUseCurrentSelection , GetDefaultStyle() ) ;
 547
 548     return true ;
 549 }
 550
 551 // Clipboard operations
 552
 553 void wxTextCtrl::Copy()
 554 {
 555     if (CanCopy())
 556         GetPeer()->Copy() ;
 557 }
 558
 559 void wxTextCtrl::Cut()
 560 {
 561     if (CanCut())
 562     {
 563         GetPeer()->Cut() ;
 564
 565         wxCommandEvent event( wxEVT_COMMAND_TEXT_UPDATED, m_windowId );
 566         event.SetEventObject( this );
 567         HandleWindowEvent( event );
 568       }
 569 }
 570
 571 void wxTextCtrl::Paste()
 572 {
 573     if (CanPaste())
 574     {
 575         GetPeer()->Paste() ;
 576
 577         // TODO: eventually we should add setting the default style again
 578
 579         wxCommandEvent event( wxEVT_COMMAND_TEXT_UPDATED, m_windowId );
 580         event.SetEventObject( this );
 581         HandleWindowEvent( event );
 582     }
 583 }
 584
 585 bool wxTextCtrl::CanCopy() const
 586 {
 587     // Can copy if there's a selection
 588     long from, to;
 589     GetSelection( &from, &to );
 590
 591     return (from != to);
 592 }
 593
 594 bool wxTextCtrl::CanCut() const
 595 {
 596     if ( !IsEditable() )
 597         return false;
 598
 599     // Can cut if there's a selection
 600     long from, to;
 601     GetSelection( &from, &to );
 602
 603     return (from != to);
 604 }
 605
 606 bool wxTextCtrl::CanPaste() const
 607 {
 608     if (!IsEditable())
 609         return false;
 610
 611     return GetPeer()->CanPaste() ;
 612 }
 613
 614 void wxTextCtrl::SetEditable(bool editable)
 615 {
 616     if ( editable != m_editable )
 617     {
 618         m_editable = editable ;
 619         GetPeer()->SetEditable( editable ) ;
 620     }
 621 }
 622
 623 void wxTextCtrl::SetInsertionPoint(long pos)
 624 {
 625     SetSelection( pos , pos ) ;
 626 }
 627
 628 void wxTextCtrl::SetInsertionPointEnd()
 629 {
 630     wxTextPos pos = GetLastPosition();
 631     SetInsertionPoint( pos );
 632 }
 633
 634 long wxTextCtrl::GetInsertionPoint() const
 635 {
 636     long begin, end ;
 637     GetSelection( &begin , &end ) ;
 638
 639     return begin ;
 640 }
 641
 642 wxTextPos wxTextCtrl::GetLastPosition() const
 643 {
 644     return GetPeer()->GetLastPosition() ;
 645 }
 646
 647 void wxTextCtrl::Replace(long from, long to, const wxString& str)
 648 {
 649     GetPeer()->Replace( from , to , str ) ;
 650 }
 651
 652 void wxTextCtrl::Remove(long from, long to)
 653 {
 654     GetPeer()->Remove( from , to ) ;
 655 }
 656
 657 void wxTextCtrl::SetSelection(long from, long to)
 658 {
 659     GetPeer()->SetSelection( from , to ) ;
 660 }
 661
 662 void wxTextCtrl::WriteText(const wxString& str)
 663 {
 664     // TODO: this MPRemoting will be moved into a remoting peer proxy for any command
 665     if ( !wxIsMainThread() )
 666     {
 667         // unfortunately CW 8 is not able to correctly deduce the template types,
 668         // so we have to instantiate explicitly
 669         wxMacMPRemoteGUICall<wxTextCtrl,wxString>( this , &wxTextCtrl::WriteText , str ) ;
 670
 671         return ;
 672     }
 673
 674     GetPeer()->WriteText( str ) ;
 675 }
 676
 677 void wxTextCtrl::AppendText(const wxString& text)
 678 {
 679     SetInsertionPointEnd();
 680     WriteText( text );
 681 }
 682
 683 void wxTextCtrl::Clear()
 684 {
 685     GetPeer()->Clear() ;
 686 }
 687
 688 bool wxTextCtrl::IsModified() const
 689 {
 690     return m_dirty;
 691 }
 692
 693 bool wxTextCtrl::IsEditable() const
 694 {
 695     return IsEnabled() && m_editable ;
 696 }
 697
 698 bool wxTextCtrl::AcceptsFocus() const
 699 {
 700     // we don't want focus if we can't be edited
 701     return /*IsEditable() && */ wxControl::AcceptsFocus();
 702 }
 703
 704 wxSize wxTextCtrl::DoGetBestSize() const
 705 {
 706     int wText, hText;
 707
 708     // these are the numbers from the HIG:
 709     // we reduce them by the borders first
 710     wText = 100 ;
 711
 712     switch ( m_windowVariant )
 713     {
 714         case wxWINDOW_VARIANT_NORMAL :
 715             hText = 22 - 6 ;
 716             break ;
 717
 718         case wxWINDOW_VARIANT_SMALL :
 719             hText = 19 - 6 ;
 720             break ;
 721
 722         case wxWINDOW_VARIANT_MINI :
 723             hText = 15 - 6 ;
 724             break ;
 725
 726         default :
 727             hText = 22 - 6;
 728             break ;
 729     }
 730
 731     // as the above numbers have some free space around the text
 732     // we get 5 lines like this anyway
 733     if ( m_windowStyle & wxTE_MULTILINE )
 734          hText *= 5 ;
 735
 736     if ( !HasFlag(wxNO_BORDER) )
 737         hText += 6 ;
 738
 739     return wxSize(wText, hText);
 740 }
 741
 742 // ----------------------------------------------------------------------------
 743 // Undo/redo
 744 // ----------------------------------------------------------------------------
 745
 746 void wxTextCtrl::Undo()
 747 {
 748     if (CanUndo())
 749         GetPeer()->Undo() ;
 750 }
 751
 752 void wxTextCtrl::Redo()
 753 {
 754     if (CanRedo())
 755         GetPeer()->Redo() ;
 756 }
 757
 758 bool wxTextCtrl::CanUndo() const
 759 {
 760     if ( !IsEditable() )
 761         return false ;
 762
 763     return GetPeer()->CanUndo() ;
 764 }
 765
 766 bool wxTextCtrl::CanRedo() const
 767 {
 768     if ( !IsEditable() )
 769         return false ;
 770
 771     return GetPeer()->CanRedo() ;
 772 }
 773
 774 void wxTextCtrl::MarkDirty()
 775 {
 776     m_dirty = true;
 777 }
 778
 779 void wxTextCtrl::DiscardEdits()
 780 {
 781     m_dirty = false;
 782 }
 783
 784 int wxTextCtrl::GetNumberOfLines() const
 785 {
 786     return GetPeer()->GetNumberOfLines() ;
 787 }
 788
 789 long wxTextCtrl::XYToPosition(long x, long y) const
 790 {
 791     return GetPeer()->XYToPosition( x , y ) ;
 792 }
 793
 794 bool wxTextCtrl::PositionToXY(long pos, long *x, long *y) const
 795 {
 796     return GetPeer()->PositionToXY( pos , x , y ) ;
 797 }
 798
 799 void wxTextCtrl::ShowPosition(long pos)
 800 {
 801     return GetPeer()->ShowPosition(pos) ;
 802 }
 803
 804 int wxTextCtrl::GetLineLength(long lineNo) const
 805 {
 806     return GetPeer()->GetLineLength(lineNo) ;
 807 }
 808
 809 wxString wxTextCtrl::GetLineText(long lineNo) const
 810 {
 811     return GetPeer()->GetLineText(lineNo) ;
 812 }
 813
 814 void wxTextCtrl::Command(wxCommandEvent & event)
 815 {
 816     SetValue(event.GetString());
 817     ProcessCommand(event);
 818 }
 819
 820 void wxTextCtrl::OnDropFiles(wxDropFilesEvent& event)
 821 {
 822     // By default, load the first file into the text window.
 823     if (event.GetNumberOfFiles() > 0)
 824         LoadFile( event.GetFiles()[0] );
 825 }
 826
 827 void wxTextCtrl::OnChar(wxKeyEvent& event)
 828 {
 829     int key = event.GetKeyCode() ;
 830     bool eat_key = false ;
 831     long from, to;
 832
 833     if ( key == 'a' && event.MetaDown() )
 834     {
 835         SelectAll() ;
 836
 837         return ;
 838     }
 839
 840     if ( key == 'c' && event.MetaDown() )
 841     {
 842         if ( CanCopy() )
 843             Copy() ;
 844
 845         return ;
 846     }
 847
 848     if ( !IsEditable() && key != WXK_LEFT && key != WXK_RIGHT && key != WXK_DOWN && key != WXK_UP && key != WXK_TAB &&
 849         !( key == WXK_RETURN && ( (m_windowStyle & wxTE_PROCESS_ENTER) || (m_windowStyle & wxTE_MULTILINE) ) )
 850 //        && key != WXK_PAGEUP && key != WXK_PAGEDOWN && key != WXK_HOME && key != WXK_END
 851         )
 852     {
 853         // eat it
 854         return ;
 855     }
 856
 857     // Check if we have reached the max # of chars (if it is set), but still
 858     // allow navigation and deletion
 859     GetSelection( &from, &to );
 860     if ( !IsMultiLine() && m_maxLength && GetValue().length() >= m_maxLength &&
 861         key != WXK_LEFT && key != WXK_RIGHT && key != WXK_TAB && key != WXK_UP && key != WXK_DOWN &&
 862         key != WXK_BACK && key != WXK_DELETE && !( key == WXK_RETURN && (m_windowStyle & wxTE_PROCESS_ENTER) ) &&
 863         from == to )
 864     {
 865         // eat it, we don't want to add more than allowed # of characters
 866
 867         // TODO: generate EVT_TEXT_MAXLEN()
 868         return;
 869     }
 870
 871     // assume that any key not processed yet is going to modify the control
 872     m_dirty = true;
 873
 874     if ( key == 'v' && event.MetaDown() )
 875     {
 876         if ( CanPaste() )
 877             Paste() ;
 878
 879         return ;
 880     }
 881
 882     if ( key == 'x' && event.MetaDown() )
 883     {
 884         if ( CanCut() )
 885             Cut() ;
 886
 887         return ;
 888     }
 889
 890     switch ( key )
 891     {
 892         case WXK_RETURN:
 893             if (m_windowStyle & wxTE_PROCESS_ENTER)
 894             {
 895                 wxCommandEvent event(wxEVT_COMMAND_TEXT_ENTER, m_windowId);
 896                 event.SetEventObject( this );
 897                 event.SetString( GetValue() );
 898                 if ( HandleWindowEvent(event) )
 899                     return;
 900             }
 901
 902             if ( !(m_windowStyle & wxTE_MULTILINE) )
 903             {
 904                 wxTopLevelWindow *tlw = wxDynamicCast(wxGetTopLevelParent(this), wxTopLevelWindow);
 905                 if ( tlw && tlw->GetDefaultItem() )
 906                 {
 907                     wxButton *def = wxDynamicCast(tlw->GetDefaultItem(), wxButton);
 908                     if ( def && def->IsEnabled() )
 909                     {
 910                         wxCommandEvent event(wxEVT_COMMAND_BUTTON_CLICKED, def->GetId() );
 911                         event.SetEventObject(def);
 912                         def->Command(event);
 913
 914                         return ;
 915                     }
 916                 }
 917
 918                 // this will make wxWidgets eat the ENTER key so that
 919                 // we actually prevent line wrapping in a single line text control
 920                 eat_key = true;
 921             }
 922             break;
 923
 924         case WXK_TAB:
 925             if ( !(m_windowStyle & wxTE_PROCESS_TAB))
 926             {
 927                 int flags = 0;
 928                 if (!event.ShiftDown())
 929                     flags |= wxNavigationKeyEvent::IsForward ;
 930                 if (event.ControlDown())
 931                     flags |= wxNavigationKeyEvent::WinChange ;
 932                 Navigate(flags);
 933
 934                 return;
 935             }
 936             else
 937             {
 938                 // This is necessary (don't know why);
 939                 // otherwise the tab will not be inserted.
 940                 WriteText(wxT("\t"));
 941                 eat_key = true;
 942             }
 943             break;
 944
 945         default:
 946             break;
 947     }
 948
 949     if (!eat_key)
 950     {
 951         // perform keystroke handling
 952         event.Skip(true) ;
 953     }
 954
 955     if ( ( key >= 0x20 && key < WXK_START ) ||
 956          ( key >= WXK_NUMPAD0 && key <= WXK_DIVIDE ) ||
 957          key == WXK_RETURN ||
 958          key == WXK_DELETE ||
 959          key == WXK_BACK)
 960     {
 961         wxCommandEvent event1(wxEVT_COMMAND_TEXT_UPDATED, m_windowId);
 962         event1.SetEventObject( this );
 963         wxPostEvent( GetEventHandler(), event1 );
 964     }
 965 }
 966
 967 // ----------------------------------------------------------------------------
 968 // standard handlers for standard edit menu events
 969 // ----------------------------------------------------------------------------
 970
 971 void wxTextCtrl::OnCut(wxCommandEvent& WXUNUSED(event))
 972 {
 973     Cut();
 974 }
 975
 976 void wxTextCtrl::OnCopy(wxCommandEvent& WXUNUSED(event))
 977 {
 978     Copy();
 979 }
 980
 981 void wxTextCtrl::OnPaste(wxCommandEvent& WXUNUSED(event))
 982 {
 983     Paste();
 984 }
 985
 986 void wxTextCtrl::OnUndo(wxCommandEvent& WXUNUSED(event))
 987 {
 988     Undo();
 989 }
 990
 991 void wxTextCtrl::OnRedo(wxCommandEvent& WXUNUSED(event))
 992 {
 993     Redo();
 994 }
 995
 996 void wxTextCtrl::OnDelete(wxCommandEvent& WXUNUSED(event))
 997 {
 998     long from, to;
 999
1000     GetSelection( &from, &to );
1001     if (from != -1 && to != -1)
1002         Remove( from, to );
1003 }
1004
1005 void wxTextCtrl::OnSelectAll(wxCommandEvent& WXUNUSED(event))
1006 {
1007     SetSelection(-1, -1);
1008 }
1009
1010 void wxTextCtrl::OnUpdateCut(wxUpdateUIEvent& event)
1011 {
1012     event.Enable( CanCut() );
1013 }
1014
1015 void wxTextCtrl::OnUpdateCopy(wxUpdateUIEvent& event)
1016 {
1017     event.Enable( CanCopy() );
1018 }
1019
1020 void wxTextCtrl::OnUpdatePaste(wxUpdateUIEvent& event)
1021 {
1022     event.Enable( CanPaste() );
1023 }
1024
1025 void wxTextCtrl::OnUpdateUndo(wxUpdateUIEvent& event)
1026 {
1027     event.Enable( CanUndo() );
1028 }
1029
1030 void wxTextCtrl::OnUpdateRedo(wxUpdateUIEvent& event)
1031 {
1032     event.Enable( CanRedo() );
1033 }
1034
1035 void wxTextCtrl::OnUpdateDelete(wxUpdateUIEvent& event)
1036 {
1037     long from, to;
1038
1039     GetSelection( &from, &to );
1040     event.Enable( from != -1 && to != -1 && from != to && IsEditable() ) ;
1041 }
1042
1043 void wxTextCtrl::OnUpdateSelectAll(wxUpdateUIEvent& event)
1044 {
1045     event.Enable(GetLastPosition() > 0);
1046 }
1047
1048 // CS: Context Menus only work with MLTE implementations or non-multiline HIViews at the moment
1049
1050 void wxTextCtrl::OnContextMenu(wxContextMenuEvent& event)
1051 {
1052     if ( GetPeer()->HasOwnContextMenu() )
1053     {
1054         event.Skip() ;
1055         return ;
1056     }
1057
1058     if (m_privateContextMenu == NULL)
1059     {
1060         m_privateContextMenu = new wxMenu;
1061         m_privateContextMenu->Append(wxID_UNDO, _("&Undo"));
1062         m_privateContextMenu->Append(wxID_REDO, _("&Redo"));
1063         m_privateContextMenu->AppendSeparator();
1064         m_privateContextMenu->Append(wxID_CUT, _("Cu&t"));
1065         m_privateContextMenu->Append(wxID_COPY, _("&Copy"));
1066         m_privateContextMenu->Append(wxID_PASTE, _("&Paste"));
1067         m_privateContextMenu->Append(wxID_CLEAR, _("&Delete"));
1068         m_privateContextMenu->AppendSeparator();
1069         m_privateContextMenu->Append(wxID_SELECTALL, _("Select &All"));
1070     }
1071
1072     if (m_privateContextMenu != NULL)
1073         PopupMenu(m_privateContextMenu);
1074 }
1075
1076 bool wxTextCtrl::MacSetupCursor( const wxPoint& pt )
1077 {
1078     if ( !GetPeer()->SetupCursor( pt ) )
1079         return wxWindow::MacSetupCursor( pt ) ;
1080     else
1081         return true ;
1082 }
1083
1084 // ----------------------------------------------------------------------------
1085 // implementation base class
1086 // ----------------------------------------------------------------------------
1087
1088 wxMacTextControl::wxMacTextControl(wxTextCtrl* peer) :
1089     wxMacControl( peer )
1090 {
1091 }
1092
1093 wxMacTextControl::~wxMacTextControl()
1094 {
1095 }
1096
1097 void wxMacTextControl::SetStyle(long WXUNUSED(start),
1098                                 long WXUNUSED(end),
1099                                 const wxTextAttr& WXUNUSED(style))
1100 {
1101 }
1102
1103 void wxMacTextControl::Copy()
1104 {
1105 }
1106
1107 void wxMacTextControl::Cut()
1108 {
1109 }
1110
1111 void wxMacTextControl::Paste()
1112 {
1113 }
1114
1115 bool wxMacTextControl::CanPaste() const
1116 {
1117     return false ;
1118 }
1119
1120 void wxMacTextControl::SetEditable(bool WXUNUSED(editable))
1121 {
1122 }
1123
1124 wxTextPos wxMacTextControl::GetLastPosition() const
1125 {
1126     return GetStringValue().length() ;
1127 }
1128
1129 void wxMacTextControl::Replace( long from , long to , const wxString &val )
1130 {
1131     SetSelection( from , to ) ;
1132     WriteText( val ) ;
1133 }
1134
1135 void wxMacTextControl::Remove( long from , long to )
1136 {
1137     SetSelection( from , to ) ;
1138     WriteText( wxEmptyString) ;
1139 }
1140
1141 void wxMacTextControl::Clear()
1142 {
1143     SetStringValue( wxEmptyString ) ;
1144 }
1145
1146 bool wxMacTextControl::CanUndo() const
1147 {
1148     return false ;
1149 }
1150
1151 void wxMacTextControl::Undo()
1152 {
1153 }
1154
1155 bool wxMacTextControl::CanRedo()  const
1156 {
1157     return false ;
1158 }
1159
1160 void wxMacTextControl::Redo()
1161 {
1162 }
1163
1164 long wxMacTextControl::XYToPosition(long WXUNUSED(x), long WXUNUSED(y)) const
1165 {
1166     return 0 ;
1167 }
1168
1169 bool wxMacTextControl::PositionToXY(long WXUNUSED(pos),
1170                                     long *WXUNUSED(x),
1171                                     long *WXUNUSED(y)) const
1172 {
1173     return false ;
1174 }
1175
1176 void wxMacTextControl::ShowPosition( long WXUNUSED(pos) )
1177 {
1178 }
1179
1180 int wxMacTextControl::GetNumberOfLines() const
1181 {
1182     ItemCount lines = 0 ;
1183     wxString content = GetStringValue() ;
1184     lines = 1;
1185
1186     for (size_t i = 0; i < content.length() ; i++)
1187     {
1188         if (content[i] == '\r')
1189             lines++;
1190     }
1191
1192     return lines ;
1193 }
1194
1195 wxString wxMacTextControl::GetLineText(long lineNo) const
1196 {
1197     // TODO: change this if possible to reflect real lines
1198     wxString content = GetStringValue() ;
1199
1200     // Find line first
1201     int count = 0;
1202     for (size_t i = 0; i < content.length() ; i++)
1203     {
1204         if (count == lineNo)
1205         {
1206             // Add chars in line then
1207             wxString tmp;
1208
1209             for (size_t j = i; j < content.length(); j++)
1210             {
1211                 if (content[j] == '\n')
1212                     return tmp;
1213
1214                 tmp += content[j];
1215             }
1216
1217             return tmp;
1218         }
1219
1220         if (content[i] == '\n')
1221             count++;
1222     }
1223
1224     return wxEmptyString ;
1225 }
1226
1227 int wxMacTextControl::GetLineLength(long lineNo) const
1228 {
1229     // TODO: change this if possible to reflect real lines
1230     wxString content = GetStringValue() ;
1231
1232     // Find line first
1233     int count = 0;
1234     for (size_t i = 0; i < content.length() ; i++)
1235     {
1236         if (count == lineNo)
1237         {
1238             // Count chars in line then
1239             count = 0;
1240             for (size_t j = i; j < content.length(); j++)
1241             {
1242                 count++;
1243                 if (content[j] == '\n')
1244                     return count;
1245             }
1246
1247             return count;
1248         }
1249
1250         if (content[i] == '\n')
1251             count++;
1252     }
1253
1254     return 0 ;
1255 }
1256
1257 void wxMacTextControl::SetFont( const wxFont & font , const wxColour& foreground , long windowStyle )
1258 {
1259     wxMacControl::SetFont(font, foreground, windowStyle );
1260 #ifndef __LP64__
1261
1262     // overrule the barrier in wxMacControl for supporting disabled controls, in order to support
1263     // setting the color to eg red and back to black by controllers
1264
1265     if ( foreground == *wxBLACK )
1266     {
1267         ControlFontStyleRec fontStyle;
1268         fontStyle.foreColor.red = fontStyle.foreColor.green = fontStyle.foreColor.blue = 0;
1269         fontStyle.flags = kControlUseForeColorMask;
1270         ::SetControlFontStyle( m_controlRef , &fontStyle );
1271     }
1272 #endif
1273 }
1274
1275 // ----------------------------------------------------------------------------
1276 // standard unicode control implementation
1277 // ----------------------------------------------------------------------------
1278
1279 // the current unicode textcontrol implementation has a bug : only if the control
1280 // is currently having the focus, the selection can be retrieved by the corresponding
1281 // data tag. So we have a mirroring using a member variable
1282 // TODO : build event table using virtual member functions for wxMacControl
1283
1284 static const EventTypeSpec unicodeTextControlEventList[] =
1285 {
1286     { kEventClassControl , kEventControlSetFocusPart } ,
1287 } ;
1288
1289 static pascal OSStatus wxMacUnicodeTextControlControlEventHandler( EventHandlerCallRef handler , EventRef event , void *data )
1290 {
1291     OSStatus result = eventNotHandledErr ;
1292     wxMacUnicodeTextControl* focus = (wxMacUnicodeTextControl*) data ;
1293     wxMacCarbonEvent cEvent( event ) ;
1294
1295     switch ( GetEventKind( event ) )
1296     {
1297         case kEventControlSetFocusPart :
1298         {
1299             ControlPartCode controlPart = cEvent.GetParameter<ControlPartCode>(kEventParamControlPart , typeControlPartCode );
1300             if ( controlPart == kControlFocusNoPart )
1301             {
1302                 // about to loose focus -> store selection to field
1303                 focus->GetData<ControlEditTextSelectionRec>( 0, kControlEditTextSelectionTag, &focus->m_selection );
1304             }
1305             result = CallNextEventHandler(handler,event) ;
1306             if ( controlPart != kControlFocusNoPart )
1307             {
1308                 // about to gain focus -> set selection from field
1309                 focus->SetData<ControlEditTextSelectionRec>( 0, kControlEditTextSelectionTag, &focus->m_selection );
1310             }
1311             break;
1312         }
1313         default:
1314             break ;
1315     }
1316
1317     return result ;
1318 }
1319
1320 static pascal OSStatus wxMacUnicodeTextControlEventHandler( EventHandlerCallRef handler , EventRef event , void *data )
1321 {
1322     OSStatus result = eventNotHandledErr ;
1323
1324     switch ( GetEventClass( event ) )
1325     {
1326         case kEventClassControl :
1327             result = wxMacUnicodeTextControlControlEventHandler( handler , event , data ) ;
1328             break ;
1329
1330         default :
1331             break ;
1332     }
1333     return result ;
1334 }
1335
1336 DEFINE_ONE_SHOT_HANDLER_GETTER( wxMacUnicodeTextControlEventHandler )
1337
1338 wxMacUnicodeTextControl::wxMacUnicodeTextControl( wxTextCtrl *wxPeer ) : wxMacTextControl( wxPeer )
1339 {
1340 }
1341
1342 wxMacUnicodeTextControl::wxMacUnicodeTextControl( wxTextCtrl *wxPeer,
1343     const wxString& str,
1344     const wxPoint& pos,
1345     const wxSize& size, long style )
1346     : wxMacTextControl( wxPeer )
1347 {
1348     Create( wxPeer, str, pos, size, style );
1349 }
1350
1351 bool wxMacUnicodeTextControl::Create( wxTextCtrl *wxPeer,
1352     const wxString& str,
1353     const wxPoint& pos,
1354     const wxSize& size, long style )
1355 {
1356     m_font = wxPeer->GetFont() ;
1357     m_windowStyle = style ;
1358     m_selection.selStart = m_selection.selEnd = 0;
1359     Rect bounds = wxMacGetBoundsForControl( wxPeer , pos , size ) ;
1360     wxString st = str ;
1361     wxMacConvertNewlines10To13( &st ) ;
1362     wxCFStringRef cf(st , m_font.GetEncoding()) ;
1363     CFStringRef cfr = cf ;
1364
1365     m_valueTag = kControlEditTextCFStringTag ;
1366     CreateControl( wxPeer, &bounds, cfr );
1367
1368     if ( !(m_windowStyle & wxTE_MULTILINE) )
1369         SetData<Boolean>( kControlEditTextPart , kControlEditTextSingleLineTag , true ) ;
1370
1371     InstallControlEventHandler( m_controlRef , GetwxMacUnicodeTextControlEventHandlerUPP(),
1372                                 GetEventTypeCount(unicodeTextControlEventList), unicodeTextControlEventList, this,
1373                                 NULL);
1374
1375     return true;
1376 }
1377
1378 wxMacUnicodeTextControl::~wxMacUnicodeTextControl()
1379 {
1380 }
1381
1382 void wxMacUnicodeTextControl::VisibilityChanged(bool shown)
1383 {
1384     if ( !(m_windowStyle & wxTE_MULTILINE) && shown )
1385     {
1386         // work around a refresh issue insofar as not always the entire content is shown,
1387         // even if this would be possible
1388         ControlEditTextSelectionRec sel ;
1389         CFStringRef value = NULL ;
1390
1391         verify_noerr( GetData<ControlEditTextSelectionRec>( 0, kControlEditTextSelectionTag, &sel ) );
1392         verify_noerr( GetData<CFStringRef>( 0, m_valueTag, &value ) );
1393         verify_noerr( SetData<CFStringRef>( 0, m_valueTag, &value ) );
1394         verify_noerr( SetData<ControlEditTextSelectionRec>( 0, kControlEditTextSelectionTag, &sel ) );
1395
1396         CFRelease( value ) ;
1397     }
1398 }
1399
1400 wxString wxMacUnicodeTextControl::GetStringValue() const
1401 {
1402     wxString result ;
1403     CFStringRef value = GetData<CFStringRef>(0, m_valueTag) ;
1404     if ( value )
1405     {
1406         wxCFStringRef cf(value) ;
1407         result = cf.AsString() ;
1408     }
1409
1410 #if '\n' == 10
1411     wxMacConvertNewlines13To10( &result ) ;
1412 #else
1413     wxMacConvertNewlines10To13( &result ) ;
1414 #endif
1415
1416     return result ;
1417 }
1418
1419 void wxMacUnicodeTextControl::SetStringValue( const wxString &str )
1420 {
1421     wxString st = str ;
1422     wxMacConvertNewlines10To13( &st ) ;
1423     wxCFStringRef cf( st , m_font.GetEncoding() ) ;
1424     verify_noerr( SetData<CFStringRef>( 0, m_valueTag , cf ) ) ;
1425 }
1426
1427 void wxMacUnicodeTextControl::CreateControl( wxTextCtrl* peer, const Rect* bounds, CFStringRef cfr )
1428 {
1429     Boolean isPassword = ( m_windowStyle & wxTE_PASSWORD ) != 0 ;
1430     if ( isPassword )
1431     {
1432         m_valueTag = kControlEditTextPasswordCFStringTag ;
1433     }
1434     OSStatus err = CreateEditUnicodeTextControl(
1435         MAC_WXHWND(peer->MacGetTopLevelWindowRef()), bounds , cfr ,
1436         isPassword , NULL , &m_controlRef ) ;
1437     verify_noerr( err );
1438 }
1439
1440 void wxMacUnicodeTextControl::Copy()
1441 {
1442     SendHICommand( kHICommandCopy ) ;
1443 }
1444
1445 void wxMacUnicodeTextControl::Cut()
1446 {
1447     SendHICommand( kHICommandCut ) ;
1448 }
1449
1450 void wxMacUnicodeTextControl::Paste()
1451 {
1452     SendHICommand( kHICommandPaste ) ;
1453 }
1454
1455 bool wxMacUnicodeTextControl::CanPaste() const
1456 {
1457     return true ;
1458 }
1459
1460 void wxMacUnicodeTextControl::SetEditable(bool WXUNUSED(editable))
1461 {
1462 #if 0 // leads to problem because text cannot be selected anymore
1463     SetData<Boolean>( kControlEditTextPart , kControlEditTextLockedTag , (Boolean) !editable ) ;
1464 #endif
1465 }
1466
1467 void wxMacUnicodeTextControl::GetSelection( long* from, long* to ) const
1468 {
1469     ControlEditTextSelectionRec sel ;
1470     if (HasFocus())
1471         verify_noerr( GetData<ControlEditTextSelectionRec>( 0, kControlEditTextSelectionTag, &sel ) ) ;
1472     else
1473         sel = m_selection ;
1474
1475     if ( from )
1476         *from = sel.selStart ;
1477     if ( to )
1478         *to = sel.selEnd ;
1479 }
1480
1481 void wxMacUnicodeTextControl::SetSelection( long from , long to )
1482 {
1483     ControlEditTextSelectionRec sel ;
1484     wxString result ;
1485     int textLength = 0 ;
1486     CFStringRef value = GetData<CFStringRef>(0, m_valueTag) ;
1487     if ( value )
1488     {
1489         wxCFStringRef cf(value) ;
1490         textLength = cf.AsString().length() ;
1491     }
1492
1493     if ((from == -1) && (to == -1))
1494     {
1495         from = 0 ;
1496         to = textLength ;
1497     }
1498     else
1499     {
1500         from = wxMin(textLength,wxMax(from,0)) ;
1501         if ( to == -1 )
1502             to = textLength;
1503         else
1504             to = wxMax(0,wxMin(textLength,to)) ;
1505     }
1506
1507     sel.selStart = from ;
1508     sel.selEnd = to ;
1509     if ( HasFocus() )
1510         SetData<ControlEditTextSelectionRec>( 0, kControlEditTextSelectionTag, &sel ) ;
1511     else
1512         m_selection = sel;
1513 }
1514
1515 void wxMacUnicodeTextControl::WriteText( const wxString& str )
1516 {
1517     wxString st = str ;
1518     wxMacConvertNewlines10To13( &st ) ;
1519
1520     if ( HasFocus() )
1521     {
1522         wxCFStringRef cf(st , m_font.GetEncoding() ) ;
1523         CFStringRef value = cf ;
1524         SetData<CFStringRef>( 0, kControlEditTextInsertCFStringRefTag, &value );
1525     }
1526     else
1527     {
1528         wxString val = GetStringValue() ;
1529         long start , end ;
1530         GetSelection( &start , &end ) ;
1531         val.Remove( start , end - start ) ;
1532         val.insert( start , str ) ;
1533         SetStringValue( val ) ;
1534         SetSelection( start + str.length() , start + str.length() ) ;
1535     }
1536 }
1537
1538 // ----------------------------------------------------------------------------
1539 // MLTE control implementation (common part)
1540 // ----------------------------------------------------------------------------
1541
1542 // if MTLE is read only, no changes at all are allowed, not even from
1543 // procedural API, in order to allow changes via API all the same we must undo
1544 // the readonly status while we are executing, this class helps to do so
1545
1546 class wxMacEditHelper
1547 {
1548 public :
1549     wxMacEditHelper( TXNObject txn )
1550     {
1551         TXNControlTag tag[] = { kTXNIOPrivilegesTag } ;
1552         m_txn = txn ;
1553         TXNGetTXNObjectControls( m_txn , 1 , tag , m_data ) ;
1554         if ( m_data[0].uValue == kTXNReadOnly )
1555         {
1556             TXNControlData data[] = { { kTXNReadWrite } } ;
1557             TXNSetTXNObjectControls( m_txn , false , 1 , tag , data ) ;
1558         }
1559     }
1560
1561     ~wxMacEditHelper()
1562     {
1563         TXNControlTag tag[] = { kTXNIOPrivilegesTag } ;
1564         if ( m_data[0].uValue == kTXNReadOnly )
1565             TXNSetTXNObjectControls( m_txn , false , 1 , tag , m_data ) ;
1566     }
1567
1568 protected :
1569     TXNObject m_txn ;
1570     TXNControlData m_data[1] ;
1571 } ;
1572
1573 wxMacMLTEControl::wxMacMLTEControl( wxTextCtrl *peer )
1574     : wxMacTextControl( peer )
1575 {
1576     SetNeedsFocusRect( true ) ;
1577 }
1578
1579 wxString wxMacMLTEControl::GetStringValue() const
1580 {
1581     wxString result ;
1582     OSStatus err ;
1583     Size actualSize = 0;
1584
1585     {
1586 #if wxUSE_UNICODE
1587         Handle theText ;
1588         err = TXNGetDataEncoded( m_txn, kTXNStartOffset, kTXNEndOffset, &theText, kTXNUnicodeTextData );
1589
1590         // all done
1591         if ( err != noErr )
1592         {
1593             actualSize = 0 ;
1594         }
1595         else
1596         {
1597             actualSize = GetHandleSize( theText ) / sizeof(UniChar) ;
1598             if ( actualSize > 0 )
1599             {
1600                 wxChar *ptr = NULL ;
1601
1602 #if SIZEOF_WCHAR_T == 2
1603                 ptr = new wxChar[actualSize + 1] ;
1604                 wxStrncpy( ptr , (wxChar*)(*theText) , actualSize ) ;
1605 #else
1606                 SetHandleSize( theText, (actualSize + 1) * sizeof(UniChar) ) ;
1607                 HLock( theText ) ;
1608                 (((UniChar*)*theText)[actualSize]) = 0 ;
1609                 wxMBConvUTF16 converter ;
1610                 size_t noChars = converter.MB2WC( NULL , (const char*)*theText , 0 ) ;
1611                 wxASSERT_MSG( noChars != wxCONV_FAILED, _T("Unable to count the number of characters in this string!") );
1612                 ptr = new wxChar[noChars + 1] ;
1613
1614                 noChars = converter.MB2WC( ptr , (const char*)*theText , noChars + 1 ) ;
1615                 wxASSERT_MSG( noChars != wxCONV_FAILED, _T("Conversion of string failed!") );
1616                 ptr[noChars] = 0 ;
1617                 HUnlock( theText ) ;
1618 #endif
1619
1620                 ptr[actualSize] = 0 ;
1621                 result = wxString( ptr ) ;
1622                 delete [] ptr ;
1623             }
1624
1625             DisposeHandle( theText ) ;
1626         }
1627 #else
1628         Handle theText ;
1629         err = TXNGetDataEncoded( m_txn , kTXNStartOffset, kTXNEndOffset, &theText, kTXNTextData );
1630
1631         // all done
1632         if ( err != noErr )
1633         {
1634             actualSize = 0 ;
1635         }
1636         else
1637         {
1638             actualSize = GetHandleSize( theText ) ;
1639             if ( actualSize > 0 )
1640             {
1641                 HLock( theText ) ;
1642                 result = wxString( *theText , wxConvLocal , actualSize ) ;
1643                 HUnlock( theText ) ;
1644             }
1645
1646             DisposeHandle( theText ) ;
1647         }
1648 #endif
1649     }
1650
1651 #if '\n' == 10
1652     wxMacConvertNewlines13To10( &result ) ;
1653 #else
1654     wxMacConvertNewlines10To13( &result ) ;
1655 #endif
1656
1657     return result ;
1658 }
1659
1660 void wxMacMLTEControl::SetStringValue( const wxString &str )
1661 {
1662     wxString st = str;
1663     wxMacConvertNewlines10To13( &st );
1664
1665     {
1666 #ifndef __LP64__
1667         wxMacWindowClipper c( m_peer ) ;
1668 #endif
1669
1670         {
1671             wxMacEditHelper help( m_txn );
1672             SetTXNData( st, kTXNStartOffset, kTXNEndOffset );
1673         }
1674
1675         TXNSetSelection( m_txn, 0, 0 );
1676         TXNShowSelection( m_txn, kTXNShowStart );
1677     }
1678 }
1679
1680 TXNFrameOptions wxMacMLTEControl::FrameOptionsFromWXStyle( long wxStyle )
1681 {
1682     TXNFrameOptions frameOptions = kTXNDontDrawCaretWhenInactiveMask;
1683
1684     frameOptions |= kTXNDoFontSubstitutionMask;
1685
1686     if ( ! (wxStyle & wxTE_NOHIDESEL) )
1687         frameOptions |= kTXNDontDrawSelectionWhenInactiveMask ;
1688
1689     if ( wxStyle & (wxHSCROLL | wxTE_DONTWRAP) )
1690         frameOptions |= kTXNWantHScrollBarMask ;
1691
1692     if ( wxStyle & wxTE_MULTILINE )
1693     {
1694         if ( ! (wxStyle & wxTE_DONTWRAP ) )
1695             frameOptions |= kTXNAlwaysWrapAtViewEdgeMask ;
1696
1697         if ( !(wxStyle & wxTE_NO_VSCROLL) )
1698         {
1699             frameOptions |= kTXNWantVScrollBarMask ;
1700
1701             // The following code causes drawing problems on 10.4. Perhaps it can be restored for
1702             // older versions of the OS, but I'm not sure it's appropriate to put a grow icon here
1703             // anyways, as AFAIK users can't actually use it to resize the text ctrl.
1704 //            if ( frameOptions & kTXNWantHScrollBarMask )
1705 //                frameOptions |= kTXNDrawGrowIconMask ;
1706         }
1707     }
1708     else
1709     {
1710         frameOptions |= kTXNSingleLineOnlyMask ;
1711     }
1712
1713     return frameOptions ;
1714 }
1715
1716 void wxMacMLTEControl::AdjustCreationAttributes(const wxColour &background,
1717                                                 bool WXUNUSED(visible))
1718 {
1719     TXNControlTag iControlTags[] =
1720         {
1721             kTXNDoFontSubstitution,
1722             kTXNWordWrapStateTag ,
1723         };
1724     TXNControlData iControlData[] =
1725         {
1726             { true },
1727             { kTXNNoAutoWrap },
1728         };
1729
1730     int toptag = WXSIZEOF( iControlTags ) ;
1731
1732     if ( m_windowStyle & wxTE_MULTILINE )
1733     {
1734         iControlData[1].uValue =
1735             (m_windowStyle & wxTE_DONTWRAP)
1736             ? kTXNNoAutoWrap
1737             : kTXNAutoWrap;
1738     }
1739
1740     OSStatus err = TXNSetTXNObjectControls( m_txn, false, toptag, iControlTags, iControlData ) ;
1741     verify_noerr( err );
1742
1743     // setting the default font:
1744     // under 10.2 this causes a visible caret, therefore we avoid it
1745
1746     Str255 fontName ;
1747     SInt16 fontSize ;
1748     Style fontStyle ;
1749
1750     GetThemeFont( kThemeSystemFont , GetApplicationScript() , fontName , &fontSize , &fontStyle ) ;
1751
1752     TXNTypeAttributes typeAttr[] =
1753     {
1754         { kTXNQDFontNameAttribute , kTXNQDFontNameAttributeSize , { (void*) fontName } } ,
1755         { kTXNQDFontSizeAttribute , kTXNFontSizeAttributeSize , { (void*) (fontSize << 16) } } ,
1756         { kTXNQDFontStyleAttribute , kTXNQDFontStyleAttributeSize , { (void*) normal } } ,
1757     } ;
1758
1759     err = TXNSetTypeAttributes(
1760         m_txn, sizeof(typeAttr) / sizeof(TXNTypeAttributes),
1761         typeAttr, kTXNStartOffset, kTXNEndOffset );
1762     verify_noerr( err );
1763
1764     if ( m_windowStyle & wxTE_PASSWORD )
1765     {
1766         UniChar c = 0x00A5 ;
1767         err = TXNEchoMode( m_txn , c , 0 , true );
1768         verify_noerr( err );
1769     }
1770
1771     TXNBackground tback;
1772     tback.bgType = kTXNBackgroundTypeRGB;
1773     background.GetRGBColor( &tback.bg.color );
1774     TXNSetBackground( m_txn , &tback );
1775
1776
1777     TXNCommandEventSupportOptions options ;
1778     if ( TXNGetCommandEventSupport( m_txn, &options ) == noErr )
1779     {
1780         options |=
1781             kTXNSupportEditCommandProcessing
1782             | kTXNSupportEditCommandUpdating
1783             | kTXNSupportFontCommandProcessing
1784             | kTXNSupportFontCommandUpdating;
1785
1786         // only spell check when not read-only
1787         // use system options for the default
1788         bool checkSpelling = false ;
1789         if ( !(m_windowStyle & wxTE_READONLY) )
1790         {
1791 #if wxUSE_SYSTEM_OPTIONS
1792             if ( wxSystemOptions::HasOption( wxMAC_TEXTCONTROL_USE_SPELL_CHECKER ) && (wxSystemOptions::GetOptionInt( wxMAC_TEXTCONTROL_USE_SPELL_CHECKER ) == 1) )
1793             {
1794                 checkSpelling = true ;
1795             }
1796 #endif
1797         }
1798
1799         if ( checkSpelling )
1800             options |=
1801                 kTXNSupportSpellCheckCommandProcessing
1802                 | kTXNSupportSpellCheckCommandUpdating;
1803
1804         TXNSetCommandEventSupport( m_txn , options ) ;
1805     }
1806 }
1807
1808 void wxMacMLTEControl::SetBackgroundColour(const wxColour& col )
1809 {
1810     TXNBackground tback;
1811     tback.bgType = kTXNBackgroundTypeRGB;
1812     col.GetRGBColor(&tback.bg.color);
1813     TXNSetBackground( m_txn , &tback );
1814 }
1815
1816 static inline int wxConvertToTXN(int x)
1817 {
1818     return wx_static_cast(int, x / 254.0 * 72 + 0.5);
1819 }
1820
1821 void wxMacMLTEControl::TXNSetAttribute( const wxTextAttr& style , long from , long to )
1822 {
1823     TXNTypeAttributes typeAttr[4] ;
1824     RGBColor color ;
1825     size_t typeAttrCount = 0 ;
1826
1827     TXNMargins margins;
1828     TXNControlTag    controlTags[4];
1829     TXNControlData   controlData[4];
1830     size_t controlAttrCount = 0;
1831
1832     TXNTab* tabs = NULL;
1833
1834     bool relayout = false;
1835     wxFont font ;
1836
1837     if ( style.HasFont() )
1838     {
1839         wxASSERT( typeAttrCount < WXSIZEOF(typeAttr) );
1840         font = style.GetFont() ;
1841         typeAttr[typeAttrCount].tag = kTXNATSUIStyle ;
1842         typeAttr[typeAttrCount].size = kTXNATSUIStyleSize ;
1843         typeAttr[typeAttrCount].data.dataPtr = font.MacGetATSUStyle() ;
1844         typeAttrCount++ ;
1845     }
1846
1847     if ( style.HasTextColour() )
1848     {
1849         wxASSERT( typeAttrCount < WXSIZEOF(typeAttr) );
1850         style.GetTextColour().GetRGBColor( &color );
1851         typeAttr[typeAttrCount].tag = kTXNQDFontColorAttribute ;
1852         typeAttr[typeAttrCount].size = kTXNQDFontColorAttributeSize ;
1853         typeAttr[typeAttrCount].data.dataPtr = (void*) &color ;
1854         typeAttrCount++ ;
1855     }
1856
1857     if ( style.HasAlignment() )
1858     {
1859         wxASSERT( controlAttrCount < WXSIZEOF(controlTags) );
1860         SInt32 align;
1861
1862         switch ( style.GetAlignment() )
1863         {
1864             case wxTEXT_ALIGNMENT_LEFT:
1865                 align = kTXNFlushLeft;
1866                 break;
1867             case wxTEXT_ALIGNMENT_CENTRE:
1868                 align = kTXNCenter;
1869                 break;
1870             case wxTEXT_ALIGNMENT_RIGHT:
1871                 align = kTXNFlushRight;
1872                 break;
1873             case wxTEXT_ALIGNMENT_JUSTIFIED:
1874                 align = kTXNFullJust;
1875                 break;
1876             default :
1877             case wxTEXT_ALIGNMENT_DEFAULT:
1878                 align = kTXNFlushDefault;
1879                 break;
1880         }
1881
1882         controlTags[controlAttrCount] = kTXNJustificationTag ;
1883         controlData[controlAttrCount].sValue = align ;
1884         controlAttrCount++ ;
1885     }
1886
1887     if ( style.HasLeftIndent() || style.HasRightIndent() )
1888     {
1889         wxASSERT( controlAttrCount < WXSIZEOF(controlTags) );
1890         controlTags[controlAttrCount] = kTXNMarginsTag;
1891         controlData[controlAttrCount].marginsPtr = &margins;
1892         verify_noerr( TXNGetTXNObjectControls (m_txn, 1 ,
1893                                 &controlTags[controlAttrCount], &controlData[controlAttrCount]) );
1894         if ( style.HasLeftIndent() )
1895         {
1896             margins.leftMargin = wxConvertToTXN(style.GetLeftIndent());
1897         }
1898         if ( style.HasRightIndent() )
1899         {
1900             margins.rightMargin = wxConvertToTXN(style.GetRightIndent());
1901         }
1902         controlAttrCount++ ;
1903     }
1904
1905     if ( style.HasTabs() )
1906     {
1907         const wxArrayInt& tabarray = style.GetTabs();
1908         // unfortunately Mac only applies a tab distance, not individually different tabs
1909         controlTags[controlAttrCount] = kTXNTabSettingsTag;
1910         if ( tabarray.size() > 0 )
1911             controlData[controlAttrCount].tabValue.value = wxConvertToTXN(tabarray[0]);
1912         else
1913             controlData[controlAttrCount].tabValue.value = 72 ;
1914
1915         controlData[controlAttrCount].tabValue.tabType = kTXNLeftTab;
1916         controlAttrCount++ ;
1917     }
1918
1919     // unfortunately the relayout is not automatic
1920     if ( controlAttrCount > 0 )
1921     {
1922         verify_noerr( TXNSetTXNObjectControls (m_txn, false /* don't clear all */, controlAttrCount,
1923                                 controlTags, controlData) );
1924         relayout = true;
1925     }
1926
1927     if ( typeAttrCount > 0 )
1928     {
1929         verify_noerr( TXNSetTypeAttributes( m_txn , typeAttrCount, typeAttr, from , to ) );
1930         relayout = true;
1931     }
1932
1933     if ( tabs != NULL )
1934     {
1935         delete[] tabs;
1936     }
1937
1938     if ( relayout )
1939     {
1940         TXNRecalcTextLayout( m_txn );
1941     }
1942 }
1943
1944 void wxMacMLTEControl::SetFont(const wxFont & font,
1945                                const wxColour& foreground,
1946                                long WXUNUSED(windowStyle))
1947 {
1948     wxMacEditHelper help( m_txn ) ;
1949     TXNSetAttribute( wxTextAttr( foreground, wxNullColour, font ), kTXNStartOffset, kTXNEndOffset ) ;
1950 }
1951
1952 void wxMacMLTEControl::SetStyle( long start, long end, const wxTextAttr& style )
1953 {
1954     wxMacEditHelper help( m_txn ) ;
1955     TXNSetAttribute( style, start, end ) ;
1956 }
1957
1958 void wxMacMLTEControl::Copy()
1959 {
1960     TXNCopy( m_txn );
1961 }
1962
1963 void wxMacMLTEControl::Cut()
1964 {
1965     TXNCut( m_txn );
1966 }
1967
1968 void wxMacMLTEControl::Paste()
1969 {
1970     TXNPaste( m_txn );
1971 }
1972
1973 bool wxMacMLTEControl::CanPaste() const
1974 {
1975     return TXNIsScrapPastable() ;
1976 }
1977
1978 void wxMacMLTEControl::SetEditable(bool editable)
1979 {
1980     TXNControlTag tag[] = { kTXNIOPrivilegesTag } ;
1981     TXNControlData data[] = { { editable ? kTXNReadWrite : kTXNReadOnly } } ;
1982     TXNSetTXNObjectControls( m_txn, false, WXSIZEOF(tag), tag, data ) ;
1983 }
1984
1985 wxTextPos wxMacMLTEControl::GetLastPosition() const
1986 {
1987     wxTextPos actualsize = 0 ;
1988
1989     Handle theText ;
1990     OSErr err = TXNGetDataEncoded( m_txn, kTXNStartOffset, kTXNEndOffset, &theText, kTXNTextData );
1991
1992     // all done
1993     if ( err == noErr )
1994     {
1995         actualsize = GetHandleSize( theText ) ;
1996         DisposeHandle( theText ) ;
1997     }
1998     else
1999     {
2000         actualsize = 0 ;
2001     }
2002
2003     return actualsize ;
2004 }
2005
2006 void wxMacMLTEControl::Replace( long from , long to , const wxString &str )
2007 {
2008     wxString value = str ;
2009     wxMacConvertNewlines10To13( &value ) ;
2010
2011     wxMacEditHelper help( m_txn ) ;
2012 #ifndef __LP64__
2013     wxMacWindowClipper c( m_peer ) ;
2014 #endif
2015
2016     TXNSetSelection( m_txn, from, to == -1 ? kTXNEndOffset : to ) ;
2017     TXNClear( m_txn ) ;
2018     SetTXNData( value, kTXNUseCurrentSelection, kTXNUseCurrentSelection ) ;
2019 }
2020
2021 void wxMacMLTEControl::Remove( long from , long to )
2022 {
2023 #ifndef __LP64__
2024     wxMacWindowClipper c( m_peer ) ;
2025 #endif
2026     wxMacEditHelper help( m_txn ) ;
2027     TXNSetSelection( m_txn , from , to ) ;
2028     TXNClear( m_txn ) ;
2029 }
2030
2031 void wxMacMLTEControl::GetSelection( long* from, long* to) const
2032 {
2033     TXNOffset f,t ;
2034     TXNGetSelection( m_txn , &f , &t ) ;
2035     *from = f;
2036     *to = t;
2037 }
2038
2039 void wxMacMLTEControl::SetSelection( long from , long to )
2040 {
2041 #ifndef __LP64__
2042     wxMacWindowClipper c( m_peer ) ;
2043 #endif
2044
2045     // change the selection
2046     if ((from == -1) && (to == -1))
2047         TXNSelectAll( m_txn );
2048     else
2049         TXNSetSelection( m_txn, from, to == -1 ? kTXNEndOffset : to );
2050
2051     TXNShowSelection( m_txn, kTXNShowStart );
2052 }
2053
2054 void wxMacMLTEControl::WriteText( const wxString& str )
2055 {
2056     wxString st = str ;
2057     wxMacConvertNewlines10To13( &st ) ;
2058
2059     long start , end , dummy ;
2060
2061     GetSelection( &start , &dummy ) ;
2062 #ifndef __LP64__
2063     wxMacWindowClipper c( m_peer ) ;
2064 #endif
2065
2066     {
2067         wxMacEditHelper helper( m_txn ) ;
2068         SetTXNData( st, kTXNUseCurrentSelection, kTXNUseCurrentSelection ) ;
2069     }
2070
2071     GetSelection( &dummy, &end ) ;
2072
2073     // TODO: SetStyle( start , end , GetDefaultStyle() ) ;
2074 }
2075
2076 void wxMacMLTEControl::Clear()
2077 {
2078 #ifndef __LP64__
2079     wxMacWindowClipper c( m_peer ) ;
2080 #endif
2081     wxMacEditHelper st( m_txn ) ;
2082     TXNSetSelection( m_txn , kTXNStartOffset , kTXNEndOffset ) ;
2083     TXNClear( m_txn ) ;
2084 }
2085
2086 bool wxMacMLTEControl::CanUndo() const
2087 {
2088     return TXNCanUndo( m_txn , NULL ) ;
2089 }
2090
2091 void wxMacMLTEControl::Undo()
2092 {
2093     TXNUndo( m_txn ) ;
2094 }
2095
2096 bool wxMacMLTEControl::CanRedo() const
2097 {
2098     return TXNCanRedo( m_txn , NULL ) ;
2099 }
2100
2101 void wxMacMLTEControl::Redo()
2102 {
2103     TXNRedo( m_txn ) ;
2104 }
2105
2106 int wxMacMLTEControl::GetNumberOfLines() const
2107 {
2108     ItemCount lines = 0 ;
2109     TXNGetLineCount( m_txn, &lines ) ;
2110
2111     return lines ;
2112 }
2113
2114 long wxMacMLTEControl::XYToPosition(long x, long y) const
2115 {
2116     Point curpt ;
2117     wxTextPos lastpos ;
2118
2119     // TODO: find a better implementation : while we can get the
2120     // line metrics of a certain line, we don't get its starting
2121     // position, so it would probably be rather a binary search
2122     // for the start position
2123     long xpos = 0, ypos = 0 ;
2124     int lastHeight = 0 ;
2125     ItemCount n ;
2126
2127     lastpos = GetLastPosition() ;
2128     for ( n = 0 ; n <= (ItemCount) lastpos ; ++n )
2129     {
2130         if ( y == ypos && x == xpos )
2131             return n ;
2132
2133         TXNOffsetToPoint( m_txn, n, &curpt ) ;
2134
2135         if ( curpt.v > lastHeight )
2136         {
2137             xpos = 0 ;
2138             if ( n > 0 )
2139                 ++ypos ;
2140
2141             lastHeight = curpt.v ;
2142         }
2143         else
2144             ++xpos ;
2145     }
2146
2147     return 0 ;
2148 }
2149
2150 bool wxMacMLTEControl::PositionToXY( long pos, long *x, long *y ) const
2151 {
2152     Point curpt ;
2153     wxTextPos lastpos ;
2154
2155     if ( y )
2156         *y = 0 ;
2157     if ( x )
2158         *x = 0 ;
2159
2160     lastpos = GetLastPosition() ;
2161     if ( pos <= lastpos )
2162     {
2163         // TODO: find a better implementation - while we can get the
2164         // line metrics of a certain line, we don't get its starting
2165         // position, so it would probably be rather a binary search
2166         // for the start position
2167         long xpos = 0, ypos = 0 ;
2168         int lastHeight = 0 ;
2169         ItemCount n ;
2170
2171         for ( n = 0 ; n <= (ItemCount) pos ; ++n )
2172         {
2173             TXNOffsetToPoint( m_txn, n, &curpt ) ;
2174
2175             if ( curpt.v > lastHeight )
2176             {
2177                 xpos = 0 ;
2178                 if ( n > 0 )
2179                     ++ypos ;
2180
2181                 lastHeight = curpt.v ;
2182             }
2183             else
2184                 ++xpos ;
2185         }
2186
2187         if ( y )
2188             *y = ypos ;
2189         if ( x )
2190             *x = xpos ;
2191     }
2192
2193     return false ;
2194 }
2195
2196 void wxMacMLTEControl::ShowPosition( long pos )
2197 {
2198     Point current, desired ;
2199     TXNOffset selstart, selend;
2200
2201     TXNGetSelection( m_txn, &selstart, &selend );
2202     TXNOffsetToPoint( m_txn, selstart, &current );
2203     TXNOffsetToPoint( m_txn, pos, &desired );
2204
2205     // TODO: use HIPoints for 10.3 and above
2206
2207     OSErr theErr = noErr;
2208     long dv = desired.v - current.v;
2209     long dh = desired.h - current.h;
2210     TXNShowSelection( m_txn, kTXNShowStart ) ; // NB: should this be kTXNShowStart or kTXNShowEnd ??
2211     theErr = TXNScroll( m_txn, kTXNScrollUnitsInPixels, kTXNScrollUnitsInPixels, &dv, &dh );
2212
2213     // there will be an error returned for classic MLTE implementation when the control is
2214     // invisible, but HITextView works correctly, so we don't assert that one
2215     // wxASSERT_MSG( theErr == noErr, _T("TXNScroll returned an error!") );
2216 }
2217
2218 void wxMacMLTEControl::SetTXNData( const wxString& st, TXNOffset start, TXNOffset end )
2219 {
2220 #if wxUSE_UNICODE
2221 #if SIZEOF_WCHAR_T == 2
2222     size_t len = st.length() ;
2223     TXNSetData( m_txn, kTXNUnicodeTextData, (void*)st.wc_str(), len * 2, start, end );
2224 #else
2225     wxMBConvUTF16 converter ;
2226     ByteCount byteBufferLen = converter.WC2MB( NULL, st.wc_str(), 0 ) ;
2227     UniChar *unibuf = (UniChar*)malloc( byteBufferLen ) ;
2228     converter.WC2MB( (char*)unibuf, st.wc_str(), byteBufferLen ) ;
2229     TXNSetData( m_txn, kTXNUnicodeTextData, (void*)unibuf, byteBufferLen, start, end ) ;
2230     free( unibuf ) ;
2231 #endif
2232 #else
2233     wxCharBuffer text = st.mb_str( wxConvLocal ) ;
2234     TXNSetData( m_txn, kTXNTextData, (void*)text.data(), strlen( text ), start, end ) ;
2235 #endif
2236 }
2237
2238 wxString wxMacMLTEControl::GetLineText(long lineNo) const
2239 {
2240     wxString line ;
2241
2242     if ( lineNo < GetNumberOfLines() )
2243     {
2244         Point firstPoint;
2245         Fixed lineWidth, lineHeight, currentHeight;
2246         long ypos ;
2247
2248         // get the first possible position in the control
2249         TXNOffsetToPoint(m_txn, 0, &firstPoint);
2250
2251         // Iterate through the lines until we reach the one we want,
2252         // adding to our current y pixel point position
2253         ypos = 0 ;
2254         currentHeight = 0;
2255         while (ypos < lineNo)
2256         {
2257             TXNGetLineMetrics(m_txn, ypos++, &lineWidth, &lineHeight);
2258             currentHeight += lineHeight;
2259         }
2260
2261         Point thePoint = { firstPoint.v + (currentHeight >> 16), firstPoint.h + (0) };
2262         TXNOffset theOffset;
2263         TXNPointToOffset(m_txn, thePoint, &theOffset);
2264
2265         wxString content = GetStringValue() ;
2266         Point currentPoint = thePoint;
2267         while (thePoint.v == currentPoint.v && theOffset < content.length())
2268         {
2269             line += content[theOffset];
2270             TXNOffsetToPoint(m_txn, ++theOffset, &currentPoint);
2271         }
2272     }
2273
2274     return line ;
2275 }
2276
2277 int wxMacMLTEControl::GetLineLength(long lineNo) const
2278 {
2279     int theLength = 0;
2280
2281     if ( lineNo < GetNumberOfLines() )
2282     {
2283         Point firstPoint;
2284         Fixed lineWidth, lineHeight, currentHeight;
2285         long ypos;
2286
2287         // get the first possible position in the control
2288         TXNOffsetToPoint(m_txn, 0, &firstPoint);
2289
2290         // Iterate through the lines until we reach the one we want,
2291         // adding to our current y pixel point position
2292         ypos = 0;
2293         currentHeight = 0;
2294         while (ypos < lineNo)
2295         {
2296             TXNGetLineMetrics(m_txn, ypos++, &lineWidth, &lineHeight);
2297             currentHeight += lineHeight;
2298         }
2299
2300         Point thePoint = { firstPoint.v + (currentHeight >> 16), firstPoint.h + (0) };
2301         TXNOffset theOffset;
2302         TXNPointToOffset(m_txn, thePoint, &theOffset);
2303
2304         wxString content = GetStringValue() ;
2305         Point currentPoint = thePoint;
2306         while (thePoint.v == currentPoint.v && theOffset < content.length())
2307         {
2308             ++theLength;
2309             TXNOffsetToPoint(m_txn, ++theOffset, &currentPoint);
2310         }
2311     }
2312
2313     return theLength ;
2314 }
2315
2316 #if MAC_OS_X_VERSION_MIN_REQUIRED < MAC_OS_X_VERSION_10_5
2317
2318 // ----------------------------------------------------------------------------
2319 // MLTE control implementation (classic part)
2320 // ----------------------------------------------------------------------------
2321
2322 // OS X Notes : We still don't have a full replacement for MLTE, so this implementation
2323 // has to live on. We have different problems coming from outdated implementations on the
2324 // various OS X versions. Most deal with the scrollbars: they are not correctly embedded
2325 // while this can be solved on 10.3 by reassigning them the correct place, on 10.2 there is
2326 // no way out, therefore we are using our own implementation and our own scrollbars ....
2327
2328 TXNScrollInfoUPP gTXNScrollInfoProc = NULL ;
2329 ControlActionUPP gTXNScrollActionProc = NULL ;
2330
2331 pascal void wxMacMLTEClassicControl::TXNScrollInfoProc(
2332     SInt32 iValue, SInt32 iMaximumValue,
2333     TXNScrollBarOrientation iScrollBarOrientation, SInt32 iRefCon )
2334 {
2335     wxMacMLTEClassicControl* mlte = (wxMacMLTEClassicControl*) iRefCon ;
2336     SInt32 value =  wxMax( iValue , 0 ) ;
2337     SInt32 maximum = wxMax( iMaximumValue , 0 ) ;
2338
2339     if ( iScrollBarOrientation == kTXNHorizontal )
2340     {
2341         if ( mlte->m_sbHorizontal )
2342         {
2343             SetControl32BitValue( mlte->m_sbHorizontal , value ) ;
2344             SetControl32BitMaximum( mlte->m_sbHorizontal , maximum ) ;
2345             mlte->m_lastHorizontalValue = value ;
2346         }
2347     }
2348     else if ( iScrollBarOrientation == kTXNVertical )
2349     {
2350         if ( mlte->m_sbVertical )
2351         {
2352             SetControl32BitValue( mlte->m_sbVertical , value ) ;
2353             SetControl32BitMaximum( mlte->m_sbVertical , maximum ) ;
2354             mlte->m_lastVerticalValue = value ;
2355         }
2356     }
2357 }
2358
2359 pascal void wxMacMLTEClassicControl::TXNScrollActionProc( ControlRef controlRef , ControlPartCode partCode )
2360 {
2361     wxMacMLTEClassicControl* mlte = (wxMacMLTEClassicControl*) GetControlReference( controlRef ) ;
2362     if ( mlte == NULL )
2363         return ;
2364
2365     if ( controlRef != mlte->m_sbVertical && controlRef != mlte->m_sbHorizontal )
2366         return ;
2367
2368     OSStatus err ;
2369     bool isHorizontal = ( controlRef == mlte->m_sbHorizontal ) ;
2370
2371     SInt32 minimum = 0 ;
2372     SInt32 maximum = GetControl32BitMaximum( controlRef ) ;
2373     SInt32 value = GetControl32BitValue( controlRef ) ;
2374     SInt32 delta = 0;
2375
2376     switch ( partCode )
2377     {
2378         case kControlDownButtonPart :
2379             delta = 10 ;
2380             break ;
2381
2382         case kControlUpButtonPart :
2383             delta = -10 ;
2384             break ;
2385
2386         case kControlPageDownPart :
2387             delta = GetControlViewSize( controlRef ) ;
2388             break ;
2389
2390         case kControlPageUpPart :
2391             delta = -GetControlViewSize( controlRef ) ;
2392             break ;
2393
2394         case kControlIndicatorPart :
2395             delta = value - (isHorizontal ? mlte->m_lastHorizontalValue : mlte->m_lastVerticalValue) ;
2396             break ;
2397
2398         default :
2399             break ;
2400     }
2401
2402     if ( delta != 0 )
2403     {
2404         SInt32 newValue = value ;
2405
2406         if ( partCode != kControlIndicatorPart )
2407         {
2408             if ( value + delta < minimum )
2409                 delta = minimum - value ;
2410             if ( value + delta > maximum )
2411                 delta = maximum - value ;
2412
2413             SetControl32BitValue( controlRef , value + delta ) ;
2414             newValue = value + delta ;
2415         }
2416
2417         SInt32 verticalDelta = isHorizontal ? 0 : delta ;
2418         SInt32 horizontalDelta = isHorizontal ? delta : 0 ;
2419
2420         err = TXNScroll(
2421             mlte->m_txn, kTXNScrollUnitsInPixels, kTXNScrollUnitsInPixels,
2422             &verticalDelta, &horizontalDelta );
2423         verify_noerr( err );
2424
2425         if ( isHorizontal )
2426             mlte->m_lastHorizontalValue = newValue ;
2427         else
2428             mlte->m_lastVerticalValue = newValue ;
2429     }
2430 }
2431
2432 // make correct activations
2433 void wxMacMLTEClassicControl::MacActivatePaneText(bool setActive)
2434 {
2435     wxTextCtrl* textctrl = (wxTextCtrl*) GetControlReference(m_controlRef);
2436
2437     wxMacWindowClipper clipper( textctrl ) ;
2438     TXNActivate( m_txn, m_txnFrameID, setActive );
2439
2440     ControlRef controlFocus = 0 ;
2441     GetKeyboardFocus( m_txnWindow , &controlFocus ) ;
2442     if ( controlFocus == m_controlRef )
2443         TXNFocus( m_txn, setActive );
2444 }
2445
2446 void wxMacMLTEClassicControl::MacFocusPaneText(bool setFocus)
2447 {
2448     TXNFocus( m_txn, setFocus );
2449 }
2450
2451 // guards against inappropriate redraw (hidden objects drawing onto window)
2452
2453 void wxMacMLTEClassicControl::MacSetObjectVisibility(bool vis)
2454 {
2455     ControlRef controlFocus = 0 ;
2456     GetKeyboardFocus( m_txnWindow , &controlFocus ) ;
2457
2458     if ( !vis && (controlFocus == m_controlRef ) )
2459         SetKeyboardFocus( m_txnWindow , m_controlRef , kControlFocusNoPart ) ;
2460
2461     TXNControlTag iControlTags[1] = { kTXNVisibilityTag };
2462     TXNControlData iControlData[1] = { { (UInt32)false } };
2463
2464     verify_noerr( TXNGetTXNObjectControls( m_txn , 1, iControlTags, iControlData ) ) ;
2465
2466     if ( iControlData[0].uValue != vis )
2467     {
2468         iControlData[0].uValue = vis ;
2469         verify_noerr( TXNSetTXNObjectControls( m_txn, false , 1, iControlTags, iControlData ) ) ;
2470     }
2471
2472     // currently, we always clip as partial visibility (overlapped) visibility is also a problem,
2473     // if we run into further problems we might set the FrameBounds to an empty rect here
2474 }
2475
2476 // make sure that the TXNObject is at the right position
2477
2478 void wxMacMLTEClassicControl::MacUpdatePosition()
2479 {
2480     wxTextCtrl* textctrl = (wxTextCtrl*)GetControlReference( m_controlRef );
2481     if ( textctrl == NULL )
2482         return ;
2483
2484     Rect bounds ;
2485     GetRectInWindowCoords( &bounds );
2486
2487     wxRect visRect = textctrl->MacGetClippedClientRect() ;
2488     Rect visBounds = { visRect.y , visRect.x , visRect.y + visRect.height , visRect.x + visRect.width } ;
2489     int x , y ;
2490     x = y = 0 ;
2491     textctrl->MacWindowToRootWindow( &x , &y ) ;
2492     OffsetRect( &visBounds , x , y ) ;
2493
2494     if ( !EqualRect( &bounds, &m_txnControlBounds ) || !EqualRect( &visBounds, &m_txnVisBounds ) )
2495     {
2496         m_txnControlBounds = bounds ;
2497         m_txnVisBounds = visBounds ;
2498         wxMacWindowClipper cl( textctrl ) ;
2499
2500         if ( m_sbHorizontal || m_sbVertical )
2501         {
2502             int w = bounds.right - bounds.left ;
2503             int h = bounds.bottom - bounds.top ;
2504
2505             if ( m_sbHorizontal )
2506             {
2507                 Rect sbBounds ;
2508
2509                 sbBounds.left = -1 ;
2510                 sbBounds.top = h - 14 ;
2511                 sbBounds.right = w + 1 ;
2512                 sbBounds.bottom = h + 1 ;
2513
2514                 SetControlBounds( m_sbHorizontal , &sbBounds ) ;
2515                 SetControlViewSize( m_sbHorizontal , w ) ;
2516             }
2517
2518             if ( m_sbVertical )
2519             {
2520                 Rect sbBounds ;
2521
2522                 sbBounds.left = w - 14 ;
2523                 sbBounds.top = -1 ;
2524                 sbBounds.right = w + 1 ;
2525                 sbBounds.bottom = m_sbHorizontal ? h - 14 : h + 1 ;
2526
2527                 SetControlBounds( m_sbVertical , &sbBounds ) ;
2528                 SetControlViewSize( m_sbVertical , h ) ;
2529             }
2530         }
2531
2532         Rect oldviewRect ;
2533         TXNLongRect olddestRect ;
2534         TXNGetRectBounds( m_txn , &oldviewRect , &olddestRect , NULL ) ;
2535
2536         Rect viewRect = { m_txnControlBounds.top, m_txnControlBounds.left,
2537             m_txnControlBounds.bottom - ( m_sbHorizontal ? 14 : 0 ) ,
2538             m_txnControlBounds.right - ( m_sbVertical ? 14 : 0 ) } ;
2539         TXNLongRect destRect = { m_txnControlBounds.top, m_txnControlBounds.left,
2540             m_txnControlBounds.bottom - ( m_sbHorizontal ? 14 : 0 ) ,
2541             m_txnControlBounds.right - ( m_sbVertical ? 14 : 0 ) } ;
2542
2543         if ( olddestRect.right >= 10000 )
2544             destRect.right = destRect.left + 32000 ;
2545
2546         if ( olddestRect.bottom >= 0x20000000 )
2547             destRect.bottom = destRect.top + 0x40000000 ;
2548
2549         SectRect( &viewRect , &visBounds , &viewRect ) ;
2550         TXNSetRectBounds( m_txn , &viewRect , &destRect , true ) ;
2551
2552 #if 0
2553         TXNSetFrameBounds(
2554             m_txn,
2555             m_txnControlBounds.top,
2556             m_txnControlBounds.left,
2557             m_txnControlBounds.bottom - (m_sbHorizontal ? 14 : 0),
2558             m_txnControlBounds.right - (m_sbVertical ? 14 : 0),
2559             m_txnFrameID );
2560 #endif
2561
2562         // the SetFrameBounds method under Classic sometimes does not correctly scroll a selection into sight after a
2563         // movement, therefore we have to force it
2564
2565         // this problem has been reported in OSX as well, so we use this here once again
2566
2567         TXNLongRect textRect ;
2568         TXNGetRectBounds( m_txn , NULL , NULL , &textRect ) ;
2569         if ( textRect.left < m_txnControlBounds.left )
2570             TXNShowSelection( m_txn , kTXNShowStart ) ;
2571     }
2572 }
2573
2574 void wxMacMLTEClassicControl::SetRect( Rect *r )
2575 {
2576     wxMacControl::SetRect( r ) ;
2577     MacUpdatePosition() ;
2578 }
2579
2580 void wxMacMLTEClassicControl::MacControlUserPaneDrawProc(wxInt16 WXUNUSED(thePart))
2581 {
2582     wxTextCtrl* textctrl = (wxTextCtrl*)GetControlReference( m_controlRef );
2583     if ( textctrl == NULL )
2584         return ;
2585
2586     if ( textctrl->IsShownOnScreen() )
2587     {
2588         wxMacWindowClipper clipper( textctrl ) ;
2589         TXNDraw( m_txn , NULL ) ;
2590     }
2591 }
2592
2593 wxInt16 wxMacMLTEClassicControl::MacControlUserPaneHitTestProc(wxInt16 x, wxInt16 y)
2594 {
2595     Point where = { y , x } ;
2596     ControlPartCode result = kControlNoPart;
2597
2598     wxTextCtrl* textctrl = (wxTextCtrl*) GetControlReference( m_controlRef );
2599     if ( (textctrl != NULL) && textctrl->IsShownOnScreen() )
2600     {
2601         if (PtInRect( where, &m_txnControlBounds ))
2602         {
2603             result = kControlEditTextPart ;
2604         }
2605         else
2606         {
2607             // sometimes we get the coords also in control local coordinates, therefore test again
2608             int x = 0 , y = 0 ;
2609             textctrl->MacClientToRootWindow( &x , &y ) ;
2610             where.h += x ;
2611             where.v += y ;
2612
2613             if (PtInRect( where, &m_txnControlBounds ))
2614                 result = kControlEditTextPart ;
2615         }
2616     }
2617
2618     return result;
2619 }
2620
2621 wxInt16 wxMacMLTEClassicControl::MacControlUserPaneTrackingProc( wxInt16 x, wxInt16 y, void* WXUNUSED(actionProc) )
2622 {
2623     ControlPartCode result = kControlNoPart;
2624
2625     wxTextCtrl* textctrl = (wxTextCtrl*) GetControlReference( m_controlRef );
2626     if ( (textctrl != NULL) && textctrl->IsShownOnScreen() )
2627     {
2628         Point startPt = { y , x } ;
2629
2630         // for compositing, we must convert these into toplevel window coordinates, because hittesting expects them
2631         int x = 0 , y = 0 ;
2632         textctrl->MacClientToRootWindow( &x , &y ) ;
2633         startPt.h += x ;
2634         startPt.v += y ;
2635
2636         switch (MacControlUserPaneHitTestProc( startPt.h , startPt.v ))
2637         {
2638             case kControlEditTextPart :
2639             {
2640                 wxMacWindowClipper clipper( textctrl ) ;
2641                 EventRecord rec ;
2642
2643                 ConvertEventRefToEventRecord( (EventRef) wxTheApp->MacGetCurrentEvent() , &rec ) ;
2644                 TXNClick( m_txn, &rec );
2645             }
2646                 break;
2647
2648             default :
2649                 break;
2650         }
2651     }
2652
2653     return result;
2654 }
2655
2656 void wxMacMLTEClassicControl::MacControlUserPaneIdleProc()
2657 {
2658     wxTextCtrl* textctrl = (wxTextCtrl*)GetControlReference( m_controlRef );
2659     if ( textctrl == NULL )
2660         return ;
2661
2662     if (textctrl->IsShownOnScreen())
2663     {
2664         if (IsControlActive(m_controlRef))
2665         {
2666             Point mousep;
2667
2668             wxMacWindowClipper clipper( textctrl ) ;
2669             GetMouse(&mousep);
2670
2671             TXNIdle(m_txn);
2672
2673             if (PtInRect(mousep, &m_txnControlBounds))
2674             {
2675                 RgnHandle theRgn = NewRgn();
2676                 RectRgn(theRgn, &m_txnControlBounds);
2677                 TXNAdjustCursor(m_txn, theRgn);
2678                 DisposeRgn(theRgn);
2679             }
2680         }
2681     }
2682 }
2683
2684 wxInt16 wxMacMLTEClassicControl::MacControlUserPaneKeyDownProc (wxInt16 keyCode, wxInt16 charCode, wxInt16 modifiers)
2685 {
2686     wxTextCtrl* textctrl = (wxTextCtrl*)GetControlReference( m_controlRef );
2687     if ( textctrl == NULL )
2688         return kControlNoPart;
2689
2690     wxMacWindowClipper clipper( textctrl ) ;
2691
2692     EventRecord ev ;
2693     memset( &ev , 0 , sizeof( ev ) ) ;
2694     ev.what = keyDown ;
2695     ev.modifiers = modifiers ;
2696     ev.message = ((keyCode << 8) & keyCodeMask) | (charCode & charCodeMask);
2697     TXNKeyDown( m_txn , &ev );
2698
2699     return kControlEntireControl;
2700 }
2701
2702 void wxMacMLTEClassicControl::MacControlUserPaneActivateProc(bool activating)
2703 {
2704     MacActivatePaneText( activating );
2705 }
2706
2707 wxInt16 wxMacMLTEClassicControl::MacControlUserPaneFocusProc(wxInt16 action)
2708 {
2709     ControlPartCode focusResult = kControlFocusNoPart;
2710
2711     wxTextCtrl* textctrl = (wxTextCtrl*)GetControlReference( m_controlRef );
2712     if ( textctrl == NULL )
2713         return focusResult;
2714
2715     wxMacWindowClipper clipper( textctrl ) ;
2716
2717     ControlRef controlFocus = NULL ;
2718     GetKeyboardFocus( m_txnWindow , &controlFocus ) ;
2719     bool wasFocused = ( controlFocus == m_controlRef ) ;
2720
2721     switch (action)
2722     {
2723         case kControlFocusPrevPart:
2724         case kControlFocusNextPart:
2725             MacFocusPaneText( !wasFocused );
2726             focusResult = (!wasFocused ? (ControlPartCode) kControlEditTextPart : (ControlPartCode) kControlFocusNoPart);
2727             break;
2728
2729         case kControlFocusNoPart:
2730         default:
2731             MacFocusPaneText( false );
2732             focusResult = kControlFocusNoPart;
2733             break;
2734     }
2735
2736     return focusResult;
2737 }
2738
2739 void wxMacMLTEClassicControl::MacControlUserPaneBackgroundProc( void *WXUNUSED(info) )
2740 {
2741 }
2742
2743 wxMacMLTEClassicControl::wxMacMLTEClassicControl( wxTextCtrl *wxPeer,
2744     const wxString& str,
2745     const wxPoint& pos,
2746     const wxSize& size, long style )
2747     : wxMacMLTEControl( wxPeer )
2748 {
2749     m_font = wxPeer->GetFont() ;
2750     m_windowStyle = style ;
2751     Rect bounds = wxMacGetBoundsForControl( wxPeer , pos , size ) ;
2752
2753     short featureSet =
2754         kControlSupportsEmbedding | kControlSupportsFocus | kControlWantsIdle
2755         | kControlWantsActivate  | kControlHandlesTracking
2756 //    | kControlHasSpecialBackground
2757         | kControlGetsFocusOnClick | kControlSupportsLiveFeedback;
2758
2759    OSStatus err = ::CreateUserPaneControl(
2760         MAC_WXHWND(wxPeer->GetParent()->MacGetTopLevelWindowRef()),
2761         &bounds, featureSet, &m_controlRef );
2762     verify_noerr( err );
2763
2764     DoCreate();
2765
2766     AdjustCreationAttributes( *wxWHITE , true ) ;
2767
2768     MacSetObjectVisibility( wxPeer->IsShownOnScreen() ) ;
2769
2770     {
2771         wxString st = str ;
2772         wxMacConvertNewlines10To13( &st ) ;
2773         wxMacWindowClipper clipper( m_peer ) ;
2774         SetTXNData( st , kTXNStartOffset, kTXNEndOffset ) ;
2775         TXNSetSelection( m_txn, 0, 0 ) ;
2776     }
2777 }
2778
2779 wxMacMLTEClassicControl::~wxMacMLTEClassicControl()
2780 {
2781     TXNDeleteObject( m_txn );
2782     m_txn = NULL ;
2783 }
2784
2785 void wxMacMLTEClassicControl::VisibilityChanged(bool shown)
2786 {
2787     MacSetObjectVisibility( shown ) ;
2788     wxMacControl::VisibilityChanged( shown ) ;
2789 }
2790
2791 void wxMacMLTEClassicControl::SuperChangedPosition()
2792 {
2793     MacUpdatePosition() ;
2794     wxMacControl::SuperChangedPosition() ;
2795 }
2796
2797 ControlUserPaneDrawUPP gTPDrawProc = NULL;
2798 ControlUserPaneHitTestUPP gTPHitProc = NULL;
2799 ControlUserPaneTrackingUPP gTPTrackProc = NULL;
2800 ControlUserPaneIdleUPP gTPIdleProc = NULL;
2801 ControlUserPaneKeyDownUPP gTPKeyProc = NULL;
2802 ControlUserPaneActivateUPP gTPActivateProc = NULL;
2803 ControlUserPaneFocusUPP gTPFocusProc = NULL;
2804
2805 static pascal void wxMacControlUserPaneDrawProc(ControlRef control, SInt16 part)
2806 {
2807     wxTextCtrl *textCtrl =  wxDynamicCast( wxFindControlFromMacControl(control) , wxTextCtrl ) ;
2808     wxMacMLTEClassicControl * win = textCtrl ? (wxMacMLTEClassicControl*)(textCtrl->GetPeer()) : NULL ;
2809     if ( win )
2810         win->MacControlUserPaneDrawProc( part ) ;
2811 }
2812
2813 static pascal ControlPartCode wxMacControlUserPaneHitTestProc(ControlRef control, Point where)
2814 {
2815     wxTextCtrl *textCtrl =  wxDynamicCast( wxFindControlFromMacControl(control) , wxTextCtrl ) ;
2816     wxMacMLTEClassicControl * win = textCtrl ? (wxMacMLTEClassicControl*)(textCtrl->GetPeer()) : NULL ;
2817     if ( win )
2818         return win->MacControlUserPaneHitTestProc( where.h , where.v ) ;
2819     else
2820         return kControlNoPart ;
2821 }
2822
2823 static pascal ControlPartCode wxMacControlUserPaneTrackingProc(ControlRef control, Point startPt, ControlActionUPP actionProc)
2824 {
2825     wxTextCtrl *textCtrl =  wxDynamicCast( wxFindControlFromMacControl(control) , wxTextCtrl ) ;
2826     wxMacMLTEClassicControl * win = textCtrl ? (wxMacMLTEClassicControl*)(textCtrl->GetPeer()) : NULL ;
2827     if ( win )
2828         return win->MacControlUserPaneTrackingProc( startPt.h , startPt.v , (void*) actionProc ) ;
2829     else
2830         return kControlNoPart ;
2831 }
2832
2833 static pascal void wxMacControlUserPaneIdleProc(ControlRef control)
2834 {
2835     wxTextCtrl *textCtrl =  wxDynamicCast( wxFindControlFromMacControl(control) , wxTextCtrl ) ;
2836     wxMacMLTEClassicControl * win = textCtrl ? (wxMacMLTEClassicControl*)(textCtrl->GetPeer()) : NULL ;
2837     if ( win )
2838         win->MacControlUserPaneIdleProc() ;
2839 }
2840
2841 static pascal ControlPartCode wxMacControlUserPaneKeyDownProc(ControlRef control, SInt16 keyCode, SInt16 charCode, SInt16 modifiers)
2842 {
2843     wxTextCtrl *textCtrl =  wxDynamicCast( wxFindControlFromMacControl(control) , wxTextCtrl ) ;
2844     wxMacMLTEClassicControl * win = textCtrl ? (wxMacMLTEClassicControl*)(textCtrl->GetPeer()) : NULL ;
2845     if ( win )
2846         return win->MacControlUserPaneKeyDownProc( keyCode, charCode, modifiers ) ;
2847     else
2848         return kControlNoPart ;
2849 }
2850
2851 static pascal void wxMacControlUserPaneActivateProc(ControlRef control, Boolean activating)
2852 {
2853     wxTextCtrl *textCtrl =  wxDynamicCast( wxFindControlFromMacControl(control) , wxTextCtrl ) ;
2854     wxMacMLTEClassicControl * win = textCtrl ? (wxMacMLTEClassicControl*)(textCtrl->GetPeer()) : NULL ;
2855     if ( win )
2856         win->MacControlUserPaneActivateProc( activating ) ;
2857 }
2858
2859 static pascal ControlPartCode wxMacControlUserPaneFocusProc(ControlRef control, ControlFocusPart action)
2860 {
2861     wxTextCtrl *textCtrl =  wxDynamicCast( wxFindControlFromMacControl(control) , wxTextCtrl ) ;
2862     wxMacMLTEClassicControl * win = textCtrl ? (wxMacMLTEClassicControl*)(textCtrl->GetPeer()) : NULL ;
2863     if ( win )
2864         return win->MacControlUserPaneFocusProc( action ) ;
2865     else
2866         return kControlNoPart ;
2867 }
2868
2869 #if 0
2870 static pascal void wxMacControlUserPaneBackgroundProc(ControlRef control, ControlBackgroundPtr info)
2871 {
2872     wxTextCtrl *textCtrl =  wxDynamicCast( wxFindControlFromMacControl(control) , wxTextCtrl ) ;
2873     wxMacMLTEClassicControl * win = textCtrl ? (wxMacMLTEClassicControl*)(textCtrl->GetPeer()) : NULL ;
2874     if ( win )
2875         win->MacControlUserPaneBackgroundProc(info) ;
2876 }
2877 #endif
2878
2879 // TXNRegisterScrollInfoProc
2880
2881 OSStatus wxMacMLTEClassicControl::DoCreate()
2882 {
2883     Rect bounds;
2884     OSStatus err = noErr ;
2885
2886     // set up our globals
2887     if (gTPDrawProc == NULL) gTPDrawProc = NewControlUserPaneDrawUPP(wxMacControlUserPaneDrawProc);
2888     if (gTPHitProc == NULL) gTPHitProc = NewControlUserPaneHitTestUPP(wxMacControlUserPaneHitTestProc);
2889     if (gTPTrackProc == NULL) gTPTrackProc = NewControlUserPaneTrackingUPP(wxMacControlUserPaneTrackingProc);
2890     if (gTPIdleProc == NULL) gTPIdleProc = NewControlUserPaneIdleUPP(wxMacControlUserPaneIdleProc);
2891     if (gTPKeyProc == NULL) gTPKeyProc = NewControlUserPaneKeyDownUPP(wxMacControlUserPaneKeyDownProc);
2892     if (gTPActivateProc == NULL) gTPActivateProc = NewControlUserPaneActivateUPP(wxMacControlUserPaneActivateProc);
2893     if (gTPFocusProc == NULL) gTPFocusProc = NewControlUserPaneFocusUPP(wxMacControlUserPaneFocusProc);
2894
2895     if (gTXNScrollInfoProc == NULL ) gTXNScrollInfoProc = NewTXNScrollInfoUPP(TXNScrollInfoProc) ;
2896     if (gTXNScrollActionProc == NULL ) gTXNScrollActionProc = NewControlActionUPP(TXNScrollActionProc) ;
2897
2898     // set the initial settings for our private data
2899
2900     m_txnWindow = GetControlOwner(m_controlRef);
2901     m_txnPort = (GrafPtr) GetWindowPort(m_txnWindow);
2902
2903     // set up the user pane procedures
2904     SetControlData(m_controlRef, kControlEntireControl, kControlUserPaneDrawProcTag, sizeof(gTPDrawProc), &gTPDrawProc);
2905     SetControlData(m_controlRef, kControlEntireControl, kControlUserPaneHitTestProcTag, sizeof(gTPHitProc), &gTPHitProc);
2906     SetControlData(m_controlRef, kControlEntireControl, kControlUserPaneTrackingProcTag, sizeof(gTPTrackProc), &gTPTrackProc);
2907     SetControlData(m_controlRef, kControlEntireControl, kControlUserPaneIdleProcTag, sizeof(gTPIdleProc), &gTPIdleProc);
2908     SetControlData(m_controlRef, kControlEntireControl, kControlUserPaneKeyDownProcTag, sizeof(gTPKeyProc), &gTPKeyProc);
2909     SetControlData(m_controlRef, kControlEntireControl, kControlUserPaneActivateProcTag, sizeof(gTPActivateProc), &gTPActivateProc);
2910     SetControlData(m_controlRef, kControlEntireControl, kControlUserPaneFocusProcTag, sizeof(gTPFocusProc), &gTPFocusProc);
2911
2912     // calculate the rectangles used by the control
2913     GetRectInWindowCoords( &bounds );
2914
2915     m_txnControlBounds = bounds ;
2916     m_txnVisBounds = bounds ;
2917
2918     CGrafPtr origPort ;
2919     GDHandle origDev ;
2920
2921     GetGWorld( &origPort, &origDev ) ;
2922     SetPort( m_txnPort );
2923
2924     // create the new edit field
2925     TXNFrameOptions frameOptions = FrameOptionsFromWXStyle( m_windowStyle );
2926
2927     // the scrollbars are not correctly embedded but are inserted at the root:
2928     // this gives us problems as we have erratic redraws even over the structure area
2929
2930     m_sbHorizontal = 0 ;
2931     m_sbVertical = 0 ;
2932     m_lastHorizontalValue = 0 ;
2933     m_lastVerticalValue = 0 ;
2934
2935     Rect sb = { 0 , 0 , 0 , 0 } ;
2936     if ( frameOptions & kTXNWantVScrollBarMask )
2937     {
2938         CreateScrollBarControl( m_txnWindow, &sb, 0, 0, 100, 1, true, gTXNScrollActionProc, &m_sbVertical );
2939         SetControlReference( m_sbVertical, (SInt32)this );
2940         SetControlAction( m_sbVertical, gTXNScrollActionProc );
2941         ShowControl( m_sbVertical );
2942         EmbedControl( m_sbVertical , m_controlRef );
2943         frameOptions &= ~kTXNWantVScrollBarMask;
2944     }
2945
2946     if ( frameOptions & kTXNWantHScrollBarMask )
2947     {
2948         CreateScrollBarControl( m_txnWindow, &sb, 0, 0, 100, 1, true, gTXNScrollActionProc, &m_sbHorizontal );
2949         SetControlReference( m_sbHorizontal, (SInt32)this );
2950         SetControlAction( m_sbHorizontal, gTXNScrollActionProc );
2951         ShowControl( m_sbHorizontal );
2952         EmbedControl( m_sbHorizontal, m_controlRef );
2953         frameOptions &= ~(kTXNWantHScrollBarMask | kTXNDrawGrowIconMask);
2954     }
2955
2956     err = TXNNewObject(
2957         NULL, m_txnWindow, &bounds, frameOptions,
2958         kTXNTextEditStyleFrameType, kTXNTextensionFile, kTXNSystemDefaultEncoding,
2959         &m_txn, &m_txnFrameID, NULL );
2960     verify_noerr( err );
2961
2962 #if 0
2963     TXNControlTag iControlTags[] = { kTXNUseCarbonEvents };
2964     TXNControlData iControlData[] = { { (UInt32)&cInfo } };
2965     int toptag = WXSIZEOF( iControlTags ) ;
2966     TXNCarbonEventInfo cInfo ;
2967     cInfo.useCarbonEvents = false ;
2968     cInfo.filler = 0 ;
2969     cInfo.flags = 0 ;
2970     cInfo.fDictionary = NULL ;
2971
2972     verify_noerr( TXNSetTXNObjectControls( m_txn, false, toptag, iControlTags, iControlData ) );
2973 #endif
2974
2975     TXNRegisterScrollInfoProc( m_txn, gTXNScrollInfoProc, (SInt32)this );
2976
2977     SetGWorld( origPort , origDev ) ;
2978
2979     return err;
2980 }
2981 #endif
2982
2983 // ----------------------------------------------------------------------------
2984 // MLTE control implementation (OSX part)
2985 // ----------------------------------------------------------------------------
2986
2987 // tiger multi-line textcontrols with no CR in the entire content
2988 // don't scroll automatically, so we need a hack.
2989 // This attempt only works 'before' the key (ie before CallNextEventHandler)
2990 // is processed, thus the scrolling always occurs one character too late, but
2991 // better than nothing ...
2992
2993 static const EventTypeSpec eventList[] =
2994 {
2995     { kEventClassTextInput, kEventTextInputUnicodeForKeyEvent } ,
2996 } ;
2997
2998 static pascal OSStatus wxMacUnicodeTextEventHandler( EventHandlerCallRef handler , EventRef event , void *data )
2999 {
3000     OSStatus result = eventNotHandledErr ;
3001     wxMacMLTEHIViewControl* focus = (wxMacMLTEHIViewControl*) data ;
3002
3003     switch ( GetEventKind( event ) )
3004     {
3005         case kEventTextInputUnicodeForKeyEvent :
3006         {
3007             TXNOffset from , to ;
3008             TXNGetSelection( focus->GetTXNObject() , &from , &to ) ;
3009             if ( from == to )
3010                 TXNShowSelection( focus->GetTXNObject() , kTXNShowStart );
3011             result = CallNextEventHandler(handler,event);
3012             break;
3013         }
3014         default:
3015             break ;
3016     }
3017
3018     return result ;
3019 }
3020
3021 static pascal OSStatus wxMacTextControlEventHandler( EventHandlerCallRef handler , EventRef event , void *data )
3022 {
3023     OSStatus result = eventNotHandledErr ;
3024
3025     switch ( GetEventClass( event ) )
3026     {
3027         case kEventClassTextInput :
3028             result = wxMacUnicodeTextEventHandler( handler , event , data ) ;
3029             break ;
3030
3031         default :
3032             break ;
3033     }
3034     return result ;
3035 }
3036
3037 DEFINE_ONE_SHOT_HANDLER_GETTER( wxMacTextControlEventHandler )
3038
3039 wxMacMLTEHIViewControl::wxMacMLTEHIViewControl( wxTextCtrl *wxPeer,
3040     const wxString& str,
3041     const wxPoint& pos,
3042     const wxSize& size, long style ) : wxMacMLTEControl( wxPeer )
3043 {
3044     m_font = wxPeer->GetFont() ;
3045     m_windowStyle = style ;
3046     Rect bounds = wxMacGetBoundsForControl( wxPeer , pos , size ) ;
3047     wxString st = str ;
3048     wxMacConvertNewlines10To13( &st ) ;
3049
3050     HIRect hr = {
3051         { bounds.left , bounds.top },
3052         { bounds.right - bounds.left, bounds.bottom - bounds.top } } ;
3053
3054     m_scrollView = NULL ;
3055     TXNFrameOptions frameOptions = FrameOptionsFromWXStyle( style ) ;
3056     if (( frameOptions & (kTXNWantVScrollBarMask | kTXNWantHScrollBarMask)) || (frameOptions &kTXNSingleLineOnlyMask))
3057     {
3058         if ( frameOptions & (kTXNWantVScrollBarMask | kTXNWantHScrollBarMask) )
3059         {
3060             HIScrollViewCreate(
3061                 (frameOptions & kTXNWantHScrollBarMask ? kHIScrollViewOptionsHorizScroll : 0)
3062                 | (frameOptions & kTXNWantVScrollBarMask ? kHIScrollViewOptionsVertScroll : 0) ,
3063                 &m_scrollView ) ;
3064         }
3065         else
3066         {
3067             HIScrollViewCreate(kHIScrollViewOptionsVertScroll,&m_scrollView);
3068             HIScrollViewSetScrollBarAutoHide(m_scrollView,true);
3069         }
3070
3071         HIViewSetFrame( m_scrollView, &hr );
3072         HIViewSetVisible( m_scrollView, true );
3073     }
3074
3075     m_textView = NULL ;
3076     HITextViewCreate( NULL , 0, frameOptions , &m_textView ) ;
3077     m_txn = HITextViewGetTXNObject( m_textView ) ;
3078     HIViewSetVisible( m_textView , true ) ;
3079     if ( m_scrollView )
3080     {
3081         HIViewAddSubview( m_scrollView , m_textView ) ;
3082         m_controlRef = m_scrollView ;
3083         wxPeer->MacInstallEventHandler( (WXWidget) m_textView ) ;
3084     }
3085     else
3086     {
3087         HIViewSetFrame( m_textView, &hr );
3088         m_controlRef = m_textView ;
3089     }
3090
3091     AdjustCreationAttributes( *wxWHITE , true ) ;
3092 #ifndef __LP64__
3093     wxMacWindowClipper c( m_peer ) ;
3094 #endif
3095     SetTXNData( st , kTXNStartOffset, kTXNEndOffset ) ;
3096
3097     TXNSetSelection( m_txn, 0, 0 );
3098     TXNShowSelection( m_txn, kTXNShowStart );
3099
3100     InstallControlEventHandler( m_textView , GetwxMacTextControlEventHandlerUPP(),
3101                                 GetEventTypeCount(eventList), eventList, this,
3102                                 NULL);
3103 }
3104
3105 wxMacMLTEHIViewControl::~wxMacMLTEHIViewControl()
3106 {
3107 }
3108
3109 OSStatus wxMacMLTEHIViewControl::SetFocus( ControlFocusPart focusPart )
3110 {
3111     return SetKeyboardFocus( GetControlOwner( m_textView ), m_textView, focusPart ) ;
3112 }
3113
3114 bool wxMacMLTEHIViewControl::HasFocus() const
3115 {
3116     ControlRef control ;
3117     if ( GetUserFocusWindow() == NULL )
3118         return false;
3119
3120     GetKeyboardFocus( GetUserFocusWindow() , &control ) ;
3121     return control == m_textView ;
3122 }
3123
3124 void wxMacMLTEHIViewControl::SetBackgroundColour(const wxColour& col )
3125 {
3126     HITextViewSetBackgroundColor( m_textView, col.GetPixel() );
3127 }
3128
3129 #endif // wxUSE_TEXTCTRL