src/mac/carbon/textctrl.cpp

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