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 #if defined(__BORLANDC__) && !defined(__WIN32__)
  49     #include <alloc.h>
  50 #elif !defined(__MWERKS__) && !defined(__GNUWIN32) && !defined(__DARWIN__)
  51     #include <malloc.h>
  52 #endif
  53
  54 #ifndef __DARWIN__
  55 #include <Scrap.h>
  56 #endif
  57
  58 #ifndef __DARWIN__
  59 #include <MacTextEditor.h>
  60 #include <ATSUnicode.h>
  61 #include <TextCommon.h>
  62 #include <TextEncodingConverter.h>
  63 #endif
  64
  65 #include "wx/mac/uma.h"
  66
  67
  68 // if this is set to 1 then under OSX 10.2 the 'classic' MLTE implementation will be used
  69 // if set to 0 then the unicode textctrl will be used
  70 #ifndef wxMAC_AWAYS_USE_MLTE
  71 #define wxMAC_AWAYS_USE_MLTE 1
  72 #endif
  73
  74 #ifndef __WXMAC_OSX__
  75 enum
  76 {
  77     kTXNVisibilityTag = 'visb' // set the visibility state of the object
  78 };
  79 #endif
  80
  81
  82 class wxMacFunctor
  83 {
  84 public :
  85     wxMacFunctor() {}
  86     virtual ~wxMacFunctor() {}
  87
  88     virtual void* operator()() = 0 ;
  89
  90     static void* CallBackProc( void *param )
  91     {
  92         wxMacFunctor* f = (wxMacFunctor*) param ;
  93         void *result = (*f)() ;
  94         return result ;
  95     }
  96 } ;
  97
  98 template<typename classtype, typename param1type>
  99
 100 class wxMacObjectFunctor1 : public wxMacFunctor
 101 {
 102     typedef void (classtype::*function)( param1type p1 ) ;
 103     typedef void (classtype::*ref_function)( const param1type& p1 ) ;
 104 public :
 105     wxMacObjectFunctor1( classtype *obj , function f , param1type p1 ) :
 106         wxMacFunctor()
 107     {
 108         m_object = obj ;
 109         m_function = f ;
 110         m_param1 = p1 ;
 111     }
 112
 113     wxMacObjectFunctor1( classtype *obj , ref_function f , param1type p1 ) :
 114         wxMacFunctor()
 115     {
 116         m_object = obj ;
 117         m_refFunction = f ;
 118         m_param1 = p1 ;
 119     }
 120
 121     virtual ~wxMacObjectFunctor1() {}
 122
 123     virtual void* operator()()
 124     {
 125         (m_object->*m_function)( m_param1 ) ;
 126         return NULL ;
 127     }
 128
 129 private :
 130     classtype* m_object ;
 131     param1type m_param1 ;
 132     union
 133     {
 134         function m_function ;
 135         ref_function m_refFunction ;
 136     } ;
 137 } ;
 138
 139 template<typename classtype, typename param1type>
 140 void* wxMacMPRemoteCall( classtype *object , void (classtype::*function)( param1type p1 ) , param1type p1 )
 141 {
 142     wxMacObjectFunctor1<classtype, param1type> params(object, function, p1) ;
 143     void *result =
 144         MPRemoteCall( wxMacFunctor::CallBackProc , &params , kMPOwningProcessRemoteContext ) ;
 145     return result ;
 146 }
 147
 148 template<typename classtype, typename param1type>
 149 void* wxMacMPRemoteCall( classtype *object , void (classtype::*function)( const param1type& p1 ) , param1type p1 )
 150 {
 151     wxMacObjectFunctor1<classtype,param1type> params(object, function, p1) ;
 152     void *result =
 153         MPRemoteCall( wxMacFunctor::CallBackProc , &params , kMPOwningProcessRemoteContext ) ;
 154     return result ;
 155 }
 156
 157 template<typename classtype, typename param1type>
 158 void* wxMacMPRemoteGUICall( classtype *object , void (classtype::*function)( param1type p1 ) , param1type p1 )
 159 {
 160     wxMutexGuiLeave() ;
 161     void *result = wxMacMPRemoteCall( object , function , p1 ) ;
 162     wxMutexGuiEnter() ;
 163     return result ;
 164 }
 165
 166 template<typename classtype, typename param1type>
 167 void* wxMacMPRemoteGUICall( classtype *object , void (classtype::*function)( const param1type& p1 ) , param1type p1 )
 168 {
 169     wxMutexGuiLeave() ;
 170     void *result = wxMacMPRemoteCall( object , function , p1 ) ;
 171     wxMutexGuiEnter() ;
 172     return result ;
 173 }
 174
 175 // common interface for all implementations
 176 class wxMacTextControl : public wxMacControl
 177 {
 178 public :
 179     wxMacTextControl( wxTextCtrl *peer ) ;
 180     virtual ~wxMacTextControl() ;
 181
 182     virtual wxString GetStringValue() const = 0 ;
 183     virtual void SetStringValue( const wxString &val ) = 0 ;
 184     virtual void SetSelection( long from, long to ) = 0 ;
 185     virtual void GetSelection( long* from, long* to ) const = 0 ;
 186     virtual void WriteText( const wxString& str ) = 0 ;
 187
 188     virtual void SetStyle( long start, long end, const wxTextAttr& style ) ;
 189     virtual void Copy() ;
 190     virtual void Cut() ;
 191     virtual void Paste() ;
 192     virtual bool CanPaste() const ;
 193     virtual void SetEditable( bool editable ) ;
 194     virtual wxTextPos GetLastPosition() const ;
 195     virtual void Replace( long from, long to, const wxString &str ) ;
 196     virtual void Remove( long from, long to ) ;
 197
 198
 199     virtual bool HasOwnContextMenu() const
 200     { return false ; }
 201
 202     virtual bool SetupCursor( const wxPoint& pt )
 203     { return false ; }
 204
 205     virtual void Clear() ;
 206     virtual bool CanUndo() const;
 207     virtual void Undo() ;
 208     virtual bool CanRedo() const;
 209     virtual void Redo() ;
 210     virtual int GetNumberOfLines() const ;
 211     virtual long XYToPosition(long x, long y) const;
 212     virtual bool PositionToXY(long pos, long *x, long *y) const ;
 213     virtual void ShowPosition(long WXUNUSED(pos)) ;
 214     virtual int GetLineLength(long lineNo) const ;
 215     virtual wxString GetLineText(long lineNo) const ;
 216
 217 #ifndef __WXMAC_OSX__
 218     virtual void            MacControlUserPaneDrawProc(wxInt16 part) = 0 ;
 219     virtual wxInt16         MacControlUserPaneHitTestProc(wxInt16 x, wxInt16 y) = 0 ;
 220     virtual wxInt16         MacControlUserPaneTrackingProc(wxInt16 x, wxInt16 y, void* actionProc) = 0 ;
 221     virtual void            MacControlUserPaneIdleProc() = 0 ;
 222     virtual wxInt16         MacControlUserPaneKeyDownProc(wxInt16 keyCode, wxInt16 charCode, wxInt16 modifiers) = 0 ;
 223     virtual void            MacControlUserPaneActivateProc(bool activating) = 0 ;
 224     virtual wxInt16         MacControlUserPaneFocusProc(wxInt16 action) = 0 ;
 225     virtual void            MacControlUserPaneBackgroundProc(void* info) = 0 ;
 226 #endif
 227 } ;
 228
 229 // common parts for implementations based on MLTE
 230
 231 class wxMacMLTEControl : public wxMacTextControl
 232 {
 233 public :
 234     wxMacMLTEControl( wxTextCtrl *peer ) ;
 235
 236     virtual wxString GetStringValue() const ;
 237     virtual void SetStringValue( const wxString &str ) ;
 238
 239     static TXNFrameOptions FrameOptionsFromWXStyle( long wxStyle ) ;
 240
 241     void AdjustCreationAttributes( const wxColour& background, bool visible ) ;
 242
 243     virtual void SetFont( const wxFont & font, const wxColour& foreground, long windowStyle ) ;
 244     virtual void SetBackground( const wxBrush &brush ) ;
 245     virtual void SetStyle( long start, long end, const wxTextAttr& style ) ;
 246     virtual void Copy() ;
 247     virtual void Cut() ;
 248     virtual void Paste() ;
 249     virtual bool CanPaste() const ;
 250     virtual void SetEditable( bool editable ) ;
 251     virtual wxTextPos GetLastPosition() const ;
 252     virtual void Replace( long from, long to, const wxString &str ) ;
 253     virtual void Remove( long from, long to ) ;
 254     virtual void GetSelection( long* from, long* to ) const ;
 255     virtual void SetSelection( long from, long to ) ;
 256
 257     virtual void WriteText( const wxString& str ) ;
 258
 259     virtual bool HasOwnContextMenu() const
 260     {
 261 #if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_4
 262         if ( UMAGetSystemVersion() >= 0x1040 )
 263         {
 264             TXNCommandEventSupportOptions options ;
 265             TXNGetCommandEventSupport( m_txn , & options ) ;
 266             return options & kTXNSupportEditCommandProcessing ;
 267         }
 268 #endif
 269
 270         return false ;
 271     }
 272
 273     virtual void Clear() ;
 274
 275     virtual bool CanUndo() const ;
 276     virtual void Undo() ;
 277     virtual bool CanRedo()  const;
 278     virtual void Redo() ;
 279     virtual int GetNumberOfLines() const ;
 280     virtual long XYToPosition(long x, long y) const ;
 281     virtual bool PositionToXY(long pos, long *x, long *y) const ;
 282     virtual void ShowPosition( long pos ) ;
 283     virtual int GetLineLength(long lineNo) const ;
 284     virtual wxString GetLineText(long lineNo) const ;
 285
 286     void SetTXNData( const wxString& st , TXNOffset start , TXNOffset end ) ;
 287     TXNObject GetTXNObject() { return m_txn ; }
 288
 289 protected :
 290     void TXNSetAttribute( const wxTextAttr& style , long from , long to ) ;
 291
 292     TXNObject m_txn ;
 293 } ;
 294
 295 #if TARGET_API_MAC_OSX
 296
 297 // implementation available under OSX
 298
 299 #if MAC_OS_X_VERSION_MAX_ALLOWED > MAC_OS_X_VERSION_10_2
 300
 301 class wxMacMLTEHIViewControl : public wxMacMLTEControl
 302 {
 303 public :
 304     wxMacMLTEHIViewControl( wxTextCtrl *wxPeer,
 305                              const wxString& str,
 306                              const wxPoint& pos,
 307                              const wxSize& size, long style ) ;
 308     virtual ~wxMacMLTEHIViewControl() ;
 309
 310     virtual OSStatus SetFocus( ControlFocusPart focusPart ) ;
 311     virtual bool HasFocus() const ;
 312     virtual void SetBackground( const wxBrush &brush) ;
 313
 314 protected :
 315     HIViewRef m_scrollView ;
 316     HIViewRef m_textView ;
 317     EventHandlerRef m_textEventHandlerRef ;
 318 };
 319
 320 #endif
 321
 322 class wxMacUnicodeTextControl : public wxMacTextControl
 323 {
 324 public :
 325     wxMacUnicodeTextControl( wxTextCtrl *wxPeer,
 326                              const wxString& str,
 327                              const wxPoint& pos,
 328                              const wxSize& size, long style ) ;
 329     virtual ~wxMacUnicodeTextControl();
 330
 331     virtual void VisibilityChanged(bool shown);
 332     virtual wxString GetStringValue() const ;
 333     virtual void SetStringValue( const wxString &str) ;
 334     virtual void Copy();
 335     virtual void Cut();
 336     virtual void Paste();
 337     virtual bool CanPaste() const;
 338     virtual void SetEditable(bool editable) ;
 339     virtual void GetSelection( long* from, long* to) const ;
 340     virtual void SetSelection( long from , long to ) ;
 341     virtual void WriteText(const wxString& str) ;
 342
 343 protected :
 344     // contains the tag for the content (is different for password and non-password controls)
 345     OSType m_valueTag ;
 346
 347     // as the selection tag only works correctly when the control has the focus we have to mirror the
 348     // intended value
 349     EventHandlerRef m_focusHandlerRef ;
 350 public :
 351     ControlEditTextSelectionRec m_selection ;
 352 };
 353
 354 #endif
 355
 356 // 'classic' MLTE implementation
 357
 358 class wxMacMLTEClassicControl : public wxMacMLTEControl
 359 {
 360 public :
 361     wxMacMLTEClassicControl( wxTextCtrl *wxPeer,
 362                              const wxString& str,
 363                              const wxPoint& pos,
 364                              const wxSize& size, long style ) ;
 365     virtual ~wxMacMLTEClassicControl() ;
 366
 367     virtual void VisibilityChanged(bool shown) ;
 368     virtual void SuperChangedPosition() ;
 369
 370     virtual void            MacControlUserPaneDrawProc(wxInt16 part) ;
 371     virtual wxInt16         MacControlUserPaneHitTestProc(wxInt16 x, wxInt16 y) ;
 372     virtual wxInt16         MacControlUserPaneTrackingProc(wxInt16 x, wxInt16 y, void* actionProc) ;
 373     virtual void            MacControlUserPaneIdleProc() ;
 374     virtual wxInt16         MacControlUserPaneKeyDownProc(wxInt16 keyCode, wxInt16 charCode, wxInt16 modifiers) ;
 375     virtual void            MacControlUserPaneActivateProc(bool activating) ;
 376     virtual wxInt16         MacControlUserPaneFocusProc(wxInt16 action) ;
 377     virtual void            MacControlUserPaneBackgroundProc(void* info) ;
 378
 379     virtual bool SetupCursor( const wxPoint& WXUNUSED(pt) )
 380     {
 381         MacControlUserPaneIdleProc();
 382         return true;
 383     }
 384
 385     virtual void            SetRect( Rect *r ) ;
 386
 387 protected :
 388     OSStatus                 DoCreate();
 389
 390     void                    MacUpdatePosition() ;
 391     void                    MacActivatePaneText(bool setActive) ;
 392     void                    MacFocusPaneText(bool setFocus) ;
 393     void                    MacSetObjectVisibility(bool vis) ;
 394
 395 private :
 396     TXNFrameID              m_txnFrameID ;
 397     GrafPtr                 m_txnPort ;
 398     WindowRef               m_txnWindow ;
 399     // bounds of the control as we last did set the txn frames
 400     Rect                    m_txnControlBounds ;
 401     Rect                    m_txnVisBounds ;
 402
 403 #ifdef __WXMAC_OSX__
 404     static pascal void TXNScrollActionProc( ControlRef controlRef , ControlPartCode partCode ) ;
 405     static pascal void TXNScrollInfoProc(
 406         SInt32 iValue, SInt32 iMaximumValue,
 407         TXNScrollBarOrientation iScrollBarOrientation, SInt32 iRefCon ) ;
 408
 409     ControlRef              m_sbHorizontal ;
 410     SInt32                  m_lastHorizontalValue ;
 411     ControlRef              m_sbVertical ;
 412     SInt32                  m_lastVerticalValue ;
 413 #endif
 414 };
 415
 416
 417 IMPLEMENT_DYNAMIC_CLASS(wxTextCtrl, wxTextCtrlBase)
 418
 419 BEGIN_EVENT_TABLE(wxTextCtrl, wxTextCtrlBase)
 420     EVT_ERASE_BACKGROUND( wxTextCtrl::OnEraseBackground )
 421     EVT_DROP_FILES(wxTextCtrl::OnDropFiles)
 422     EVT_CHAR(wxTextCtrl::OnChar)
 423     EVT_MENU(wxID_CUT, wxTextCtrl::OnCut)
 424     EVT_MENU(wxID_COPY, wxTextCtrl::OnCopy)
 425     EVT_MENU(wxID_PASTE, wxTextCtrl::OnPaste)
 426     EVT_MENU(wxID_UNDO, wxTextCtrl::OnUndo)
 427     EVT_MENU(wxID_REDO, wxTextCtrl::OnRedo)
 428     EVT_MENU(wxID_CLEAR, wxTextCtrl::OnDelete)
 429     EVT_MENU(wxID_SELECTALL, wxTextCtrl::OnSelectAll)
 430
 431     EVT_CONTEXT_MENU(wxTextCtrl::OnContextMenu)
 432
 433     EVT_UPDATE_UI(wxID_CUT, wxTextCtrl::OnUpdateCut)
 434     EVT_UPDATE_UI(wxID_COPY, wxTextCtrl::OnUpdateCopy)
 435     EVT_UPDATE_UI(wxID_PASTE, wxTextCtrl::OnUpdatePaste)
 436     EVT_UPDATE_UI(wxID_UNDO, wxTextCtrl::OnUpdateUndo)
 437     EVT_UPDATE_UI(wxID_REDO, wxTextCtrl::OnUpdateRedo)
 438     EVT_UPDATE_UI(wxID_CLEAR, wxTextCtrl::OnUpdateDelete)
 439     EVT_UPDATE_UI(wxID_SELECTALL, wxTextCtrl::OnUpdateSelectAll)
 440 END_EVENT_TABLE()
 441
 442
 443 void wxTextCtrl::Init()
 444 {
 445     m_editable = true ;
 446     m_dirty = false;
 447
 448     m_maxLength = 0;
 449     m_privateContextMenu = NULL;
 450     m_triggerOnSetValue = true ;
 451 }
 452
 453 wxTextCtrl::~wxTextCtrl()
 454 {
 455     delete m_privateContextMenu;
 456 }
 457
 458 bool wxTextCtrl::Create( wxWindow *parent,
 459     wxWindowID id,
 460     const wxString& str,
 461     const wxPoint& pos,
 462     const wxSize& size,
 463     long style,
 464     const wxValidator& validator,
 465     const wxString& name )
 466 {
 467     m_macIsUserPane = false ;
 468     m_editable = true ;
 469
 470     if ( ! (style & wxNO_BORDER) )
 471         style = (style & ~wxBORDER_MASK) | wxSUNKEN_BORDER ;
 472
 473     if ( !wxTextCtrlBase::Create( parent, id, pos, size, style & ~(wxHSCROLL | wxVSCROLL), validator, name ) )
 474         return false;
 475
 476     if ( m_windowStyle & wxTE_MULTILINE )
 477     {
 478         // always turn on this style for multi-line controls
 479         m_windowStyle |= wxTE_PROCESS_ENTER;
 480         style |= wxTE_PROCESS_ENTER ;
 481     }
 482
 483     bool forceMLTE = false ;
 484
 485 #if wxUSE_SYSTEM_OPTIONS
 486     if (wxSystemOptions::HasOption( wxMAC_TEXTCONTROL_USE_MLTE ) && (wxSystemOptions::GetOptionInt( wxMAC_TEXTCONTROL_USE_MLTE ) == 1))
 487     {
 488         forceMLTE = true ;
 489     }
 490 #endif
 491
 492 #ifdef __WXMAC_OSX__
 493 #if MAC_OS_X_VERSION_MAX_ALLOWED > MAC_OS_X_VERSION_10_2
 494     if ( UMAGetSystemVersion() >= 0x1030 && !forceMLTE )
 495     {
 496         if ( m_windowStyle & wxTE_MULTILINE )
 497             m_peer = new wxMacMLTEHIViewControl( this , str , pos , size , style ) ;
 498     }
 499 #endif
 500
 501     if ( !m_peer )
 502     {
 503         if ( !(m_windowStyle & wxTE_MULTILINE) && !forceMLTE )
 504             m_peer = new wxMacUnicodeTextControl( this , str , pos , size , style ) ;
 505     }
 506 #endif
 507
 508     if ( !m_peer )
 509         m_peer = new wxMacMLTEClassicControl( this , str , pos , size , style ) ;
 510
 511     MacPostControlCreate(pos, size) ;
 512
 513     // only now the embedding is correct and we can do a positioning update
 514
 515     MacSuperChangedPosition() ;
 516
 517     if ( m_windowStyle & wxTE_READONLY)
 518         SetEditable( false ) ;
 519
 520     SetCursor( wxCursor( wxCURSOR_IBEAM ) ) ;
 521
 522     return true;
 523 }
 524
 525 void wxTextCtrl::MacSuperChangedPosition()
 526 {
 527     wxWindow::MacSuperChangedPosition() ;
 528     GetPeer()->SuperChangedPosition() ;
 529 }
 530
 531 void wxTextCtrl::MacVisibilityChanged()
 532 {
 533     GetPeer()->VisibilityChanged( MacIsReallyShown() ) ;
 534 }
 535
 536 void wxTextCtrl::MacEnabledStateChanged()
 537 {
 538 }
 539
 540 wxString wxTextCtrl::GetValue() const
 541 {
 542     return GetPeer()->GetStringValue() ;
 543 }
 544
 545 void wxTextCtrl::GetSelection(long* from, long* to) const
 546 {
 547     GetPeer()->GetSelection( from , to ) ;
 548 }
 549
 550 void wxTextCtrl::SetValue(const wxString& str)
 551 {
 552     // optimize redraws
 553     if ( GetValue() == str )
 554         return ;
 555
 556     GetPeer()->SetStringValue( str ) ;
 557
 558     if ( m_triggerOnSetValue )
 559     {
 560         wxCommandEvent event( wxEVT_COMMAND_TEXT_UPDATED, m_windowId );
 561         event.SetString( GetValue() );
 562         event.SetEventObject( this );
 563         GetEventHandler()->ProcessEvent( event );
 564     }
 565 }
 566
 567 void wxTextCtrl::SetMaxLength(unsigned long len)
 568 {
 569     m_maxLength = len ;
 570 }
 571
 572 bool wxTextCtrl::SetFont( const wxFont& font )
 573 {
 574     if ( !wxTextCtrlBase::SetFont( font ) )
 575         return false ;
 576
 577     GetPeer()->SetFont( font , GetForegroundColour() , GetWindowStyle() ) ;
 578
 579     return true ;
 580 }
 581
 582 bool wxTextCtrl::SetStyle(long start, long end, const wxTextAttr& style)
 583 {
 584     GetPeer()->SetStyle( start , end , style ) ;
 585
 586     return true ;
 587 }
 588
 589 bool wxTextCtrl::SetDefaultStyle(const wxTextAttr& style)
 590 {
 591     wxTextCtrlBase::SetDefaultStyle( style ) ;
 592     SetStyle( kTXNUseCurrentSelection , kTXNUseCurrentSelection , GetDefaultStyle() ) ;
 593
 594     return true ;
 595 }
 596
 597 // Clipboard operations
 598
 599 void wxTextCtrl::Copy()
 600 {
 601     if (CanCopy())
 602         GetPeer()->Copy() ;
 603 }
 604
 605 void wxTextCtrl::Cut()
 606 {
 607     if (CanCut())
 608     {
 609         GetPeer()->Cut() ;
 610
 611         wxCommandEvent event( wxEVT_COMMAND_TEXT_UPDATED, m_windowId );
 612         event.SetEventObject( this );
 613         GetEventHandler()->ProcessEvent( event );
 614       }
 615 }
 616
 617 void wxTextCtrl::Paste()
 618 {
 619     if (CanPaste())
 620     {
 621         GetPeer()->Paste() ;
 622
 623         // TODO: eventually we should add setting the default style again
 624
 625         wxCommandEvent event( wxEVT_COMMAND_TEXT_UPDATED, m_windowId );
 626         event.SetEventObject( this );
 627         GetEventHandler()->ProcessEvent( event );
 628     }
 629 }
 630
 631 bool wxTextCtrl::CanCopy() const
 632 {
 633     // Can copy if there's a selection
 634     long from, to;
 635     GetSelection( &from, &to );
 636
 637     return (from != to);
 638 }
 639
 640 bool wxTextCtrl::CanCut() const
 641 {
 642     if ( !IsEditable() )
 643         return false;
 644
 645     // Can cut if there's a selection
 646     long from, to;
 647     GetSelection( &from, &to );
 648
 649     return (from != to);
 650 }
 651
 652 bool wxTextCtrl::CanPaste() const
 653 {
 654     if (!IsEditable())
 655         return false;
 656
 657     return GetPeer()->CanPaste() ;
 658 }
 659
 660 void wxTextCtrl::SetEditable(bool editable)
 661 {
 662     if ( editable != m_editable )
 663     {
 664         m_editable = editable ;
 665         GetPeer()->SetEditable( editable ) ;
 666     }
 667 }
 668
 669 void wxTextCtrl::SetInsertionPoint(long pos)
 670 {
 671     SetSelection( pos , pos ) ;
 672 }
 673
 674 void wxTextCtrl::SetInsertionPointEnd()
 675 {
 676     wxTextPos pos = GetLastPosition();
 677     SetInsertionPoint( pos );
 678 }
 679
 680 long wxTextCtrl::GetInsertionPoint() const
 681 {
 682     long begin, end ;
 683     GetSelection( &begin , &end ) ;
 684
 685     return begin ;
 686 }
 687
 688 wxTextPos wxTextCtrl::GetLastPosition() const
 689 {
 690     return GetPeer()->GetLastPosition() ;
 691 }
 692
 693 void wxTextCtrl::Replace(long from, long to, const wxString& str)
 694 {
 695     GetPeer()->Replace( from , to , str ) ;
 696 }
 697
 698 void wxTextCtrl::Remove(long from, long to)
 699 {
 700     GetPeer()->Remove( from , to ) ;
 701 }
 702
 703 void wxTextCtrl::SetSelection(long from, long to)
 704 {
 705     GetPeer()->SetSelection( from , to ) ;
 706 }
 707
 708 void wxTextCtrl::WriteText(const wxString& str)
 709 {
 710     // TODO: this MPRemoting will be moved into a remoting peer proxy for any command
 711     if ( !wxIsMainThread() )
 712     {
 713         // unfortunately CW 8 is not able to correctly deduce the template types,
 714         // so we have to instantiate explicitly
 715         wxMacMPRemoteGUICall<wxTextCtrl,wxString>( this , &wxTextCtrl::WriteText , str ) ;
 716
 717         return ;
 718     }
 719
 720     GetPeer()->WriteText( str ) ;
 721 }
 722
 723 void wxTextCtrl::AppendText(const wxString& text)
 724 {
 725     SetInsertionPointEnd();
 726     WriteText( text );
 727 }
 728
 729 void wxTextCtrl::Clear()
 730 {
 731     GetPeer()->Clear() ;
 732 }
 733
 734 bool wxTextCtrl::IsModified() const
 735 {
 736     return m_dirty;
 737 }
 738
 739 bool wxTextCtrl::IsEditable() const
 740 {
 741     return IsEnabled() && m_editable ;
 742 }
 743
 744 bool wxTextCtrl::AcceptsFocus() const
 745 {
 746     // we don't want focus if we can't be edited
 747     return /*IsEditable() && */ wxControl::AcceptsFocus();
 748 }
 749
 750 wxSize wxTextCtrl::DoGetBestSize() const
 751 {
 752     int wText, hText;
 753
 754     // these are the numbers from the HIG:
 755     // we reduce them by the borders first
 756     wText = 100 ;
 757
 758     switch ( m_windowVariant )
 759     {
 760         case wxWINDOW_VARIANT_NORMAL :
 761             hText = 22 - 6 ;
 762             break ;
 763
 764         case wxWINDOW_VARIANT_SMALL :
 765             hText = 19 - 6 ;
 766             break ;
 767
 768         case wxWINDOW_VARIANT_MINI :
 769             hText = 15 - 6 ;
 770             break ;
 771
 772         default :
 773             hText = 22 - 6;
 774             break ;
 775     }
 776
 777     // as the above numbers have some free space around the text
 778     // we get 5 lines like this anyway
 779     if ( m_windowStyle & wxTE_MULTILINE )
 780          hText *= 5 ;
 781
 782     if ( !HasFlag(wxNO_BORDER) )
 783         hText += 6 ;
 784
 785     return wxSize(wText, hText);
 786 }
 787
 788 // ----------------------------------------------------------------------------
 789 // Undo/redo
 790 // ----------------------------------------------------------------------------
 791
 792 void wxTextCtrl::Undo()
 793 {
 794     if (CanUndo())
 795         GetPeer()->Undo() ;
 796 }
 797
 798 void wxTextCtrl::Redo()
 799 {
 800     if (CanRedo())
 801         GetPeer()->Redo() ;
 802 }
 803
 804 bool wxTextCtrl::CanUndo() const
 805 {
 806     if ( !IsEditable() )
 807         return false ;
 808
 809     return GetPeer()->CanUndo() ;
 810 }
 811
 812 bool wxTextCtrl::CanRedo() const
 813 {
 814     if ( !IsEditable() )
 815         return false ;
 816
 817     return GetPeer()->CanRedo() ;
 818 }
 819
 820 void wxTextCtrl::MarkDirty()
 821 {
 822     m_dirty = true;
 823 }
 824
 825 void wxTextCtrl::DiscardEdits()
 826 {
 827     m_dirty = false;
 828 }
 829
 830 int wxTextCtrl::GetNumberOfLines() const
 831 {
 832     return GetPeer()->GetNumberOfLines() ;
 833 }
 834
 835 long wxTextCtrl::XYToPosition(long x, long y) const
 836 {
 837     return GetPeer()->XYToPosition( x , y ) ;
 838 }
 839
 840 bool wxTextCtrl::PositionToXY(long pos, long *x, long *y) const
 841 {
 842     return GetPeer()->PositionToXY( pos , x , y ) ;
 843 }
 844
 845 void wxTextCtrl::ShowPosition(long pos)
 846 {
 847     return GetPeer()->ShowPosition(pos) ;
 848 }
 849
 850 int wxTextCtrl::GetLineLength(long lineNo) const
 851 {
 852     return GetPeer()->GetLineLength(lineNo) ;
 853 }
 854
 855 wxString wxTextCtrl::GetLineText(long lineNo) const
 856 {
 857     return GetPeer()->GetLineText(lineNo) ;
 858 }
 859
 860 void wxTextCtrl::Command(wxCommandEvent & event)
 861 {
 862     SetValue(event.GetString());
 863     ProcessCommand(event);
 864 }
 865
 866 void wxTextCtrl::OnDropFiles(wxDropFilesEvent& event)
 867 {
 868     // By default, load the first file into the text window.
 869     if (event.GetNumberOfFiles() > 0)
 870         LoadFile( event.GetFiles()[0] );
 871 }
 872
 873 void wxTextCtrl::OnEraseBackground(wxEraseEvent& event)
 874 {
 875     // all erasing should be done by the real mac control implementation
 876     // while this is true for MLTE under classic, the HITextView is somehow
 877     // transparent but background erase is not working correctly, so intercept
 878     // things while we can...
 879     event.Skip() ;
 880 }
 881
 882 void wxTextCtrl::OnChar(wxKeyEvent& event)
 883 {
 884     int key = event.GetKeyCode() ;
 885     bool eat_key = false ;
 886
 887     if ( key == 'a' && event.MetaDown() )
 888     {
 889         SelectAll() ;
 890
 891         return ;
 892     }
 893
 894     if ( key == 'c' && event.MetaDown() )
 895     {
 896         if ( CanCopy() )
 897             Copy() ;
 898
 899         return ;
 900     }
 901
 902     if ( !IsEditable() && key != WXK_LEFT && key != WXK_RIGHT && key != WXK_DOWN && key != WXK_UP && key != WXK_TAB &&
 903         !( key == WXK_RETURN && ( (m_windowStyle & wxTE_PROCESS_ENTER) || (m_windowStyle & wxTE_MULTILINE) ) )
 904 //        && key != WXK_PAGEUP && key != WXK_PAGEDOWN && key != WXK_HOME && key != WXK_END
 905         )
 906     {
 907         // eat it
 908         return ;
 909     }
 910
 911     // Check if we have reached the max # of chars (if it is set), but still
 912     // allow navigation and deletion
 913     if ( !IsMultiLine() && m_maxLength && GetValue().length() >= m_maxLength &&
 914         key != WXK_LEFT && key != WXK_RIGHT && key != WXK_TAB &&
 915         key != WXK_BACK && !( key == WXK_RETURN && (m_windowStyle & wxTE_PROCESS_ENTER) )
 916        )
 917     {
 918         // eat it, we don't want to add more than allowed # of characters
 919
 920         // TODO: generate EVT_TEXT_MAXLEN()
 921         return;
 922     }
 923
 924     // assume that any key not processed yet is going to modify the control
 925     m_dirty = true;
 926
 927     if ( key == 'v' && event.MetaDown() )
 928     {
 929         if ( CanPaste() )
 930             Paste() ;
 931
 932         return ;
 933     }
 934
 935     if ( key == 'x' && event.MetaDown() )
 936     {
 937         if ( CanCut() )
 938             Cut() ;
 939
 940         return ;
 941     }
 942
 943     switch ( key )
 944     {
 945         case WXK_RETURN:
 946             if (m_windowStyle & wxTE_PROCESS_ENTER)
 947             {
 948                 wxCommandEvent event(wxEVT_COMMAND_TEXT_ENTER, m_windowId);
 949                 event.SetEventObject( this );
 950                 event.SetString( GetValue() );
 951                 if ( GetEventHandler()->ProcessEvent(event) )
 952                     return;
 953             }
 954
 955             if ( !(m_windowStyle & wxTE_MULTILINE) )
 956             {
 957                 wxTopLevelWindow *tlw = wxDynamicCast(wxGetTopLevelParent(this), wxTopLevelWindow);
 958                 if ( tlw && tlw->GetDefaultItem() )
 959                 {
 960                     wxButton *def = wxDynamicCast(tlw->GetDefaultItem(), wxButton);
 961                     if ( def && def->IsEnabled() )
 962                     {
 963                         wxCommandEvent event(wxEVT_COMMAND_BUTTON_CLICKED, def->GetId() );
 964                         event.SetEventObject(def);
 965                         def->Command(event);
 966
 967                         return ;
 968                     }
 969                 }
 970
 971                 // this will make wxWidgets eat the ENTER key so that
 972                 // we actually prevent line wrapping in a single line text control
 973                 eat_key = true;
 974             }
 975             break;
 976
 977         case WXK_TAB:
 978             if ( !(m_windowStyle & wxTE_PROCESS_TAB))
 979             {
 980                 int flags = 0;
 981                 if (!event.ShiftDown())
 982                     flags |= wxNavigationKeyEvent::IsForward ;
 983                 if (event.ControlDown())
 984                     flags |= wxNavigationKeyEvent::WinChange ;
 985                 Navigate(flags);
 986
 987                 return;
 988             }
 989             else
 990             {
 991                 // This is necessary (don't know why);
 992                 // otherwise the tab will not be inserted.
 993                 WriteText(wxT("\t"));
 994                 eat_key = true;
 995             }
 996             break;
 997
 998         default:
 999             break;
1000     }
1001
1002     if (!eat_key)
1003     {
1004         // perform keystroke handling
1005         event.Skip(true) ;
1006     }
1007
1008     if ( ( key >= 0x20 && key < WXK_START ) ||
1009          ( key >= WXK_NUMPAD0 && key <= WXK_DIVIDE ) ||
1010          key == WXK_RETURN ||
1011          key == WXK_DELETE ||
1012          key == WXK_BACK)
1013     {
1014         wxCommandEvent event1(wxEVT_COMMAND_TEXT_UPDATED, m_windowId);
1015         event1.SetEventObject( this );
1016         wxPostEvent( GetEventHandler(), event1 );
1017     }
1018 }
1019
1020 // ----------------------------------------------------------------------------
1021 // standard handlers for standard edit menu events
1022 // ----------------------------------------------------------------------------
1023
1024 void wxTextCtrl::OnCut(wxCommandEvent& WXUNUSED(event))
1025 {
1026     Cut();
1027 }
1028
1029 void wxTextCtrl::OnCopy(wxCommandEvent& WXUNUSED(event))
1030 {
1031     Copy();
1032 }
1033
1034 void wxTextCtrl::OnPaste(wxCommandEvent& WXUNUSED(event))
1035 {
1036     Paste();
1037 }
1038
1039 void wxTextCtrl::OnUndo(wxCommandEvent& WXUNUSED(event))
1040 {
1041     Undo();
1042 }
1043
1044 void wxTextCtrl::OnRedo(wxCommandEvent& WXUNUSED(event))
1045 {
1046     Redo();
1047 }
1048
1049 void wxTextCtrl::OnDelete(wxCommandEvent& WXUNUSED(event))
1050 {
1051     long from, to;
1052
1053     GetSelection( &from, &to );
1054     if (from != -1 && to != -1)
1055         Remove( from, to );
1056 }
1057
1058 void wxTextCtrl::OnSelectAll(wxCommandEvent& WXUNUSED(event))
1059 {
1060     SetSelection(-1, -1);
1061 }
1062
1063 void wxTextCtrl::OnUpdateCut(wxUpdateUIEvent& event)
1064 {
1065     event.Enable( CanCut() );
1066 }
1067
1068 void wxTextCtrl::OnUpdateCopy(wxUpdateUIEvent& event)
1069 {
1070     event.Enable( CanCopy() );
1071 }
1072
1073 void wxTextCtrl::OnUpdatePaste(wxUpdateUIEvent& event)
1074 {
1075     event.Enable( CanPaste() );
1076 }
1077
1078 void wxTextCtrl::OnUpdateUndo(wxUpdateUIEvent& event)
1079 {
1080     event.Enable( CanUndo() );
1081 }
1082
1083 void wxTextCtrl::OnUpdateRedo(wxUpdateUIEvent& event)
1084 {
1085     event.Enable( CanRedo() );
1086 }
1087
1088 void wxTextCtrl::OnUpdateDelete(wxUpdateUIEvent& event)
1089 {
1090     long from, to;
1091
1092     GetSelection( &from, &to );
1093     event.Enable( from != -1 && to != -1 && from != to && IsEditable() ) ;
1094 }
1095
1096 void wxTextCtrl::OnUpdateSelectAll(wxUpdateUIEvent& event)
1097 {
1098     event.Enable(GetLastPosition() > 0);
1099 }
1100
1101 // CS: Context Menus only work with MLTE implementations or non-multiline HIViews at the moment
1102
1103 void wxTextCtrl::OnContextMenu(wxContextMenuEvent& event)
1104 {
1105     if ( GetPeer()->HasOwnContextMenu() )
1106     {
1107         event.Skip() ;
1108         return ;
1109     }
1110
1111     if (m_privateContextMenu == NULL)
1112     {
1113         m_privateContextMenu = new wxMenu;
1114         m_privateContextMenu->Append(wxID_UNDO, _("&Undo"));
1115         m_privateContextMenu->Append(wxID_REDO, _("&Redo"));
1116         m_privateContextMenu->AppendSeparator();
1117         m_privateContextMenu->Append(wxID_CUT, _("Cu&t"));
1118         m_privateContextMenu->Append(wxID_COPY, _("&Copy"));
1119         m_privateContextMenu->Append(wxID_PASTE, _("&Paste"));
1120         m_privateContextMenu->Append(wxID_CLEAR, _("&Delete"));
1121         m_privateContextMenu->AppendSeparator();
1122         m_privateContextMenu->Append(wxID_SELECTALL, _("Select &All"));
1123     }
1124
1125     if (m_privateContextMenu != NULL)
1126         PopupMenu(m_privateContextMenu);
1127 }
1128
1129 bool wxTextCtrl::MacSetupCursor( const wxPoint& pt )
1130 {
1131     if ( !GetPeer()->SetupCursor( pt ) )
1132         return wxWindow::MacSetupCursor( pt ) ;
1133     else
1134         return true ;
1135 }
1136
1137 #if !TARGET_API_MAC_OSX
1138
1139 // user pane implementation
1140
1141 void wxTextCtrl::MacControlUserPaneDrawProc(wxInt16 part)
1142 {
1143     GetPeer()->MacControlUserPaneDrawProc( part ) ;
1144 }
1145
1146 wxInt16 wxTextCtrl::MacControlUserPaneHitTestProc(wxInt16 x, wxInt16 y)
1147 {
1148     return GetPeer()->MacControlUserPaneHitTestProc( x , y ) ;
1149 }
1150
1151 wxInt16 wxTextCtrl::MacControlUserPaneTrackingProc(wxInt16 x, wxInt16 y, void* actionProc)
1152 {
1153     return GetPeer()->MacControlUserPaneTrackingProc( x , y , actionProc ) ;
1154 }
1155
1156 void wxTextCtrl::MacControlUserPaneIdleProc()
1157 {
1158     GetPeer()->MacControlUserPaneIdleProc( ) ;
1159 }
1160
1161 wxInt16 wxTextCtrl::MacControlUserPaneKeyDownProc(wxInt16 keyCode, wxInt16 charCode, wxInt16 modifiers)
1162 {
1163     return GetPeer()->MacControlUserPaneKeyDownProc( keyCode , charCode , modifiers ) ;
1164 }
1165
1166 void wxTextCtrl::MacControlUserPaneActivateProc(bool activating)
1167 {
1168     GetPeer()->MacControlUserPaneActivateProc( activating ) ;
1169 }
1170
1171 wxInt16 wxTextCtrl::MacControlUserPaneFocusProc(wxInt16 action)
1172 {
1173     return GetPeer()->MacControlUserPaneFocusProc( action ) ;
1174 }
1175
1176 void wxTextCtrl::MacControlUserPaneBackgroundProc(void* info)
1177 {
1178     GetPeer()->MacControlUserPaneBackgroundProc( info ) ;
1179 }
1180
1181 #endif
1182
1183 // ----------------------------------------------------------------------------
1184 // implementation base class
1185 // ----------------------------------------------------------------------------
1186
1187 wxMacTextControl::wxMacTextControl(wxTextCtrl* peer) :
1188     wxMacControl( peer )
1189 {
1190 }
1191
1192 wxMacTextControl::~wxMacTextControl()
1193 {
1194 }
1195
1196 void wxMacTextControl::SetStyle(long start, long end, const wxTextAttr& style)
1197 {
1198 }
1199
1200 void wxMacTextControl::Copy()
1201 {
1202 }
1203
1204 void wxMacTextControl::Cut()
1205 {
1206 }
1207
1208 void wxMacTextControl::Paste()
1209 {
1210 }
1211
1212 bool wxMacTextControl::CanPaste() const
1213 {
1214     return false ;
1215 }
1216
1217 void wxMacTextControl::SetEditable(bool editable)
1218 {
1219 }
1220
1221 wxTextPos wxMacTextControl::GetLastPosition() const
1222 {
1223     return GetStringValue().length() ;
1224 }
1225
1226 void wxMacTextControl::Replace( long from , long to , const wxString &val )
1227 {
1228     SetSelection( from , to ) ;
1229     WriteText( val ) ;
1230 }
1231
1232 void wxMacTextControl::Remove( long from , long to )
1233 {
1234     SetSelection( from , to ) ;
1235     WriteText( wxEmptyString) ;
1236 }
1237
1238 void wxMacTextControl::Clear()
1239 {
1240     SetStringValue( wxEmptyString ) ;
1241 }
1242
1243 bool wxMacTextControl::CanUndo() const
1244 {
1245     return false ;
1246 }
1247
1248 void wxMacTextControl::Undo()
1249 {
1250 }
1251
1252 bool wxMacTextControl::CanRedo()  const
1253 {
1254     return false ;
1255 }
1256
1257 void wxMacTextControl::Redo()
1258 {
1259 }
1260
1261 long wxMacTextControl::XYToPosition(long x, long y) const
1262 {
1263     return 0 ;
1264 }
1265
1266 bool wxMacTextControl::PositionToXY(long pos, long *x, long *y) const
1267 {
1268     return false ;
1269 }
1270
1271 void wxMacTextControl::ShowPosition( long WXUNUSED(pos) )
1272 {
1273 }
1274
1275 int wxMacTextControl::GetNumberOfLines() const
1276 {
1277     ItemCount lines = 0 ;
1278     wxString content = GetStringValue() ;
1279     lines = 1;
1280
1281     for (size_t i = 0; i < content.length() ; i++)
1282     {
1283         if (content[i] == '\r')
1284             lines++;
1285     }
1286
1287     return lines ;
1288 }
1289
1290 wxString wxMacTextControl::GetLineText(long lineNo) const
1291 {
1292     // TODO: change this if possible to reflect real lines
1293     wxString content = GetStringValue() ;
1294
1295     // Find line first
1296     int count = 0;
1297     for (size_t i = 0; i < content.length() ; i++)
1298     {
1299         if (count == lineNo)
1300         {
1301             // Add chars in line then
1302             wxString tmp;
1303
1304             for (size_t j = i; j < content.length(); j++)
1305             {
1306                 if (content[j] == '\n')
1307                     return tmp;
1308
1309                 tmp += content[j];
1310             }
1311
1312             return tmp;
1313         }
1314
1315         if (content[i] == '\n')
1316             count++;
1317     }
1318
1319     return wxEmptyString ;
1320 }
1321
1322 int wxMacTextControl::GetLineLength(long lineNo) const
1323 {
1324     // TODO: change this if possible to reflect real lines
1325     wxString content = GetStringValue() ;
1326
1327     // Find line first
1328     int count = 0;
1329     for (size_t i = 0; i < content.length() ; i++)
1330     {
1331         if (count == lineNo)
1332         {
1333             // Count chars in line then
1334             count = 0;
1335             for (size_t j = i; j < content.length(); j++)
1336             {
1337                 count++;
1338                 if (content[j] == '\n')
1339                     return count;
1340             }
1341
1342             return count;
1343         }
1344
1345         if (content[i] == '\n')
1346             count++;
1347     }
1348
1349     return 0 ;
1350 }
1351
1352 // ----------------------------------------------------------------------------
1353 // standard unicode control implementation
1354 // ----------------------------------------------------------------------------
1355
1356 #if TARGET_API_MAC_OSX
1357
1358 // the current unicode textcontrol implementation has a bug : only if the control
1359 // is currently having the focus, the selection can be retrieved by the corresponding
1360 // data tag. So we have a mirroring using a member variable
1361 // TODO : build event table using virtual member functions for wxMacControl
1362
1363 static const EventTypeSpec unicodeTextControlEventList[] =
1364 {
1365     { kEventClassControl , kEventControlSetFocusPart } ,
1366 } ;
1367
1368 static pascal OSStatus wxMacUnicodeTextControlControlEventHandler( EventHandlerCallRef handler , EventRef event , void *data )
1369 {
1370     OSStatus result = eventNotHandledErr ;
1371     wxMacUnicodeTextControl* focus = (wxMacUnicodeTextControl*) data ;
1372     wxMacCarbonEvent cEvent( event ) ;
1373
1374     switch ( GetEventKind( event ) )
1375     {
1376         case kEventControlSetFocusPart :
1377         {
1378             ControlPartCode controlPart = cEvent.GetParameter<ControlPartCode>(kEventParamControlPart , typeControlPartCode );
1379             if ( controlPart == kControlFocusNoPart )
1380             {
1381                 // about to loose focus -> store selection to field
1382                 focus->GetData<ControlEditTextSelectionRec>( 0, kControlEditTextSelectionTag, &focus->m_selection );
1383             }
1384             result = CallNextEventHandler(handler,event) ;
1385             if ( controlPart != kControlFocusNoPart )
1386             {
1387                 // about to gain focus -> set selection from field
1388                 focus->SetData<ControlEditTextSelectionRec>( 0, kControlEditTextSelectionTag, &focus->m_selection );
1389             }
1390             break;
1391         }
1392         default:
1393             break ;
1394     }
1395
1396     return result ;
1397 }
1398
1399 static pascal OSStatus wxMacUnicodeTextControlEventHandler( EventHandlerCallRef handler , EventRef event , void *data )
1400 {
1401     OSStatus result = eventNotHandledErr ;
1402
1403     switch ( GetEventClass( event ) )
1404     {
1405         case kEventClassControl :
1406             result = wxMacUnicodeTextControlControlEventHandler( handler , event , data ) ;
1407             break ;
1408
1409         default :
1410             break ;
1411     }
1412     return result ;
1413 }
1414
1415 DEFINE_ONE_SHOT_HANDLER_GETTER( wxMacUnicodeTextControlEventHandler )
1416
1417 wxMacUnicodeTextControl::wxMacUnicodeTextControl( wxTextCtrl *wxPeer,
1418     const wxString& str,
1419     const wxPoint& pos,
1420     const wxSize& size, long style )
1421     : wxMacTextControl( wxPeer )
1422 {
1423     m_font = wxPeer->GetFont() ;
1424     m_windowStyle = style ;
1425     Rect bounds = wxMacGetBoundsForControl( wxPeer , pos , size ) ;
1426     wxString st = str ;
1427     wxMacConvertNewlines10To13( &st ) ;
1428     wxMacCFStringHolder cf(st , m_font.GetEncoding()) ;
1429     CFStringRef cfr = cf ;
1430     Boolean isPassword = ( m_windowStyle & wxTE_PASSWORD ) != 0 ;
1431     m_valueTag = isPassword ? kControlEditTextPasswordCFStringTag : kControlEditTextCFStringTag ;
1432
1433     OSStatus err = CreateEditUnicodeTextControl(
1434         MAC_WXHWND(wxPeer->MacGetTopLevelWindowRef()), &bounds , cfr ,
1435         isPassword , NULL , &m_controlRef ) ;
1436     verify_noerr( err );
1437
1438     if ( !(m_windowStyle & wxTE_MULTILINE) )
1439         SetData<Boolean>( kControlEditTextPart , kControlEditTextSingleLineTag , true ) ;
1440
1441     InstallControlEventHandler( m_controlRef , GetwxMacUnicodeTextControlEventHandlerUPP(),
1442                                 GetEventTypeCount(unicodeTextControlEventList), unicodeTextControlEventList, this,
1443                                 &m_focusHandlerRef);
1444 }
1445
1446 wxMacUnicodeTextControl::~wxMacUnicodeTextControl()
1447 {
1448     ::RemoveEventHandler( m_focusHandlerRef );
1449 }
1450
1451 void wxMacUnicodeTextControl::VisibilityChanged(bool shown)
1452 {
1453     if ( !(m_windowStyle & wxTE_MULTILINE) && shown )
1454     {
1455         // work around a refresh issue insofar as not always the entire content is shown,
1456         // even if this would be possible
1457         ControlEditTextSelectionRec sel ;
1458         CFStringRef value = NULL ;
1459
1460         verify_noerr( GetData<ControlEditTextSelectionRec>( 0, kControlEditTextSelectionTag, &sel ) );
1461         verify_noerr( GetData<CFStringRef>( 0, m_valueTag, &value ) );
1462         verify_noerr( SetData<CFStringRef>( 0, m_valueTag, &value ) );
1463         verify_noerr( SetData<ControlEditTextSelectionRec>( 0, kControlEditTextSelectionTag, &sel ) );
1464
1465         CFRelease( value ) ;
1466     }
1467 }
1468
1469 wxString wxMacUnicodeTextControl::GetStringValue() const
1470 {
1471     wxString result ;
1472     CFStringRef value = GetData<CFStringRef>(0, m_valueTag) ;
1473     if ( value )
1474     {
1475         wxMacCFStringHolder cf(value) ;
1476         result = cf.AsString() ;
1477     }
1478
1479 #if '\n' == 10
1480     wxMacConvertNewlines13To10( &result ) ;
1481 #else
1482     wxMacConvertNewlines10To13( &result ) ;
1483 #endif
1484
1485     return result ;
1486 }
1487
1488 void wxMacUnicodeTextControl::SetStringValue( const wxString &str )
1489 {
1490     wxString st = str ;
1491     wxMacConvertNewlines10To13( &st ) ;
1492     wxMacCFStringHolder cf( st , m_font.GetEncoding() ) ;
1493     verify_noerr( SetData<CFStringRef>( 0, m_valueTag , cf ) ) ;
1494 }
1495
1496 void wxMacUnicodeTextControl::Copy()
1497 {
1498     SendHICommand( kHICommandCopy ) ;
1499 }
1500
1501 void wxMacUnicodeTextControl::Cut()
1502 {
1503     SendHICommand( kHICommandCut ) ;
1504 }
1505
1506 void wxMacUnicodeTextControl::Paste()
1507 {
1508     SendHICommand( kHICommandPaste ) ;
1509 }
1510
1511 bool wxMacUnicodeTextControl::CanPaste() const
1512 {
1513     return true ;
1514 }
1515
1516 void wxMacUnicodeTextControl::SetEditable(bool editable)
1517 {
1518 #if 0 // leads to problem because text cannot be selected anymore
1519     SetData<Boolean>( kControlEditTextPart , kControlEditTextLockedTag , (Boolean) !editable ) ;
1520 #endif
1521 }
1522
1523 void wxMacUnicodeTextControl::GetSelection( long* from, long* to ) const
1524 {
1525     ControlEditTextSelectionRec sel ;
1526     if (HasFocus())
1527         verify_noerr( GetData<ControlEditTextSelectionRec>( 0, kControlEditTextSelectionTag, &sel ) ) ;
1528     else
1529         sel = m_selection ;
1530
1531     if ( from )
1532         *from = sel.selStart ;
1533     if ( to )
1534         *to = sel.selEnd ;
1535 }
1536
1537 void wxMacUnicodeTextControl::SetSelection( long from , long to )
1538 {
1539     ControlEditTextSelectionRec sel ;
1540     wxString result ;
1541     int textLength = 0 ;
1542     CFStringRef value = GetData<CFStringRef>(0, m_valueTag) ;
1543     if ( value )
1544     {
1545         wxMacCFStringHolder cf(value) ;
1546         textLength = cf.AsString().length() ;
1547     }
1548
1549     if ((from == -1) && (to == -1))
1550     {
1551         from = 0 ;
1552         to = textLength ;
1553     }
1554     else
1555     {
1556         from = wxMin(textLength,wxMax(from,0)) ;
1557         to = wxMax(0,wxMin(textLength,to)) ;
1558     }
1559
1560     sel.selStart = from ;
1561     sel.selEnd = to ;
1562     if ( HasFocus() )
1563         SetData<ControlEditTextSelectionRec>( 0, kControlEditTextSelectionTag, &sel ) ;
1564     else
1565         m_selection = sel;
1566 }
1567
1568 void wxMacUnicodeTextControl::WriteText( const wxString& str )
1569 {
1570     wxString st = str ;
1571     wxMacConvertNewlines10To13( &st ) ;
1572
1573 #if MAC_OS_X_VERSION_MAX_ALLOWED > MAC_OS_X_VERSION_10_2
1574     if ( HasFocus() )
1575     {
1576         wxMacCFStringHolder cf(st , m_font.GetEncoding() ) ;
1577         CFStringRef value = cf ;
1578         SetData<CFStringRef>( 0, kControlEditTextInsertCFStringRefTag, &value );
1579     }
1580     else
1581 #endif
1582     {
1583         wxString val = GetStringValue() ;
1584         long start , end ;
1585         GetSelection( &start , &end ) ;
1586         val.Remove( start , end - start ) ;
1587         val.insert( start , str ) ;
1588         SetStringValue( val ) ;
1589         SetSelection( start + str.length() , start + str.length() ) ;
1590     }
1591 }
1592
1593 #endif
1594
1595 // ----------------------------------------------------------------------------
1596 // MLTE control implementation (common part)
1597 // ----------------------------------------------------------------------------
1598
1599 // if MTLE is read only, no changes at all are allowed, not even from
1600 // procedural API, in order to allow changes via API all the same we must undo
1601 // the readonly status while we are executing, this class helps to do so
1602
1603 class wxMacEditHelper
1604 {
1605 public :
1606     wxMacEditHelper( TXNObject txn )
1607     {
1608         TXNControlTag tag[] = { kTXNIOPrivilegesTag } ;
1609         m_txn = txn ;
1610         TXNGetTXNObjectControls( m_txn , 1 , tag , m_data ) ;
1611         if ( m_data[0].uValue == kTXNReadOnly )
1612         {
1613             TXNControlData data[] = { { kTXNReadWrite } } ;
1614             TXNSetTXNObjectControls( m_txn , false , 1 , tag , data ) ;
1615         }
1616     }
1617
1618     ~wxMacEditHelper()
1619     {
1620         TXNControlTag tag[] = { kTXNIOPrivilegesTag } ;
1621         if ( m_data[0].uValue == kTXNReadOnly )
1622             TXNSetTXNObjectControls( m_txn , false , 1 , tag , m_data ) ;
1623     }
1624
1625 protected :
1626     TXNObject m_txn ;
1627     TXNControlData m_data[1] ;
1628 } ;
1629
1630 wxMacMLTEControl::wxMacMLTEControl( wxTextCtrl *peer )
1631     : wxMacTextControl( peer )
1632 {
1633     SetNeedsFocusRect( true ) ;
1634 }
1635
1636 wxString wxMacMLTEControl::GetStringValue() const
1637 {
1638     wxString result ;
1639     OSStatus err ;
1640     Size actualSize = 0;
1641
1642     {
1643 #if wxUSE_UNICODE
1644         Handle theText ;
1645         err = TXNGetDataEncoded( m_txn, kTXNStartOffset, kTXNEndOffset, &theText, kTXNUnicodeTextData );
1646
1647         // all done
1648         if ( err != noErr )
1649         {
1650             actualSize = 0 ;
1651         }
1652         else
1653         {
1654             actualSize = GetHandleSize( theText ) / sizeof(UniChar) ;
1655             if ( actualSize > 0 )
1656             {
1657                 wxChar *ptr = NULL ;
1658
1659 #if SIZEOF_WCHAR_T == 2
1660                 ptr = new wxChar[actualSize + 1] ;
1661                 wxStrncpy( ptr , (wxChar*)(*theText) , actualSize ) ;
1662 #else
1663                 SetHandleSize( theText, (actualSize + 1) * sizeof(UniChar) ) ;
1664                 HLock( theText ) ;
1665                 (((UniChar*)*theText)[actualSize]) = 0 ;
1666                 wxMBConvUTF16 converter ;
1667                 size_t noChars = converter.MB2WC( NULL , (const char*)*theText , 0 ) ;
1668                 wxASSERT_MSG( noChars != wxCONV_FAILED, _T("Unable to count the number of characters in this string!") );
1669                 ptr = new wxChar[noChars + 1] ;
1670
1671                 noChars = converter.MB2WC( ptr , (const char*)*theText , noChars + 1 ) ;
1672                 wxASSERT_MSG( noChars != wxCONV_FAILED, _T("Conversion of string failed!") );
1673                 ptr[noChars] = 0 ;
1674                 HUnlock( theText ) ;
1675 #endif
1676
1677                 ptr[actualSize] = 0 ;
1678                 result = wxString( ptr ) ;
1679                 delete [] ptr ;
1680             }
1681
1682             DisposeHandle( theText ) ;
1683         }
1684 #else
1685         Handle theText ;
1686         err = TXNGetDataEncoded( m_txn , kTXNStartOffset, kTXNEndOffset, &theText, kTXNTextData );
1687
1688         // all done
1689         if ( err != noErr )
1690         {
1691             actualSize = 0 ;
1692         }
1693         else
1694         {
1695             actualSize = GetHandleSize( theText ) ;
1696             if ( actualSize > 0 )
1697             {
1698                 HLock( theText ) ;
1699                 result = wxString( *theText , wxConvLocal , actualSize ) ;
1700                 HUnlock( theText ) ;
1701             }
1702
1703             DisposeHandle( theText ) ;
1704         }
1705 #endif
1706     }
1707
1708 #if '\n' == 10
1709     wxMacConvertNewlines13To10( &result ) ;
1710 #else
1711     wxMacConvertNewlines10To13( &result ) ;
1712 #endif
1713
1714     return result ;
1715 }
1716
1717 void wxMacMLTEControl::SetStringValue( const wxString &str )
1718 {
1719     wxString st = str;
1720     wxMacConvertNewlines10To13( &st );
1721
1722     {
1723         wxMacWindowClipper c( m_peer );
1724
1725         {
1726             wxMacEditHelper help( m_txn );
1727             SetTXNData( st, kTXNStartOffset, kTXNEndOffset );
1728         }
1729
1730         TXNSetSelection( m_txn, 0, 0 );
1731         TXNShowSelection( m_txn, kTXNShowStart );
1732     }
1733 }
1734
1735 TXNFrameOptions wxMacMLTEControl::FrameOptionsFromWXStyle( long wxStyle )
1736 {
1737     TXNFrameOptions frameOptions = kTXNDontDrawCaretWhenInactiveMask;
1738
1739 #if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_3
1740     frameOptions |= kTXNDoFontSubstitutionMask;
1741 #endif
1742
1743     if ( ! (wxStyle & wxTE_NOHIDESEL) )
1744         frameOptions |= kTXNDontDrawSelectionWhenInactiveMask ;
1745
1746     if ( wxStyle & (wxHSCROLL | wxTE_DONTWRAP) )
1747         frameOptions |= kTXNWantHScrollBarMask ;
1748
1749     if ( wxStyle & wxTE_MULTILINE )
1750     {
1751         frameOptions |= kTXNAlwaysWrapAtViewEdgeMask ;
1752
1753         if ( !(wxStyle & wxTE_NO_VSCROLL) )
1754         {
1755             frameOptions |= kTXNWantVScrollBarMask ;
1756
1757             // The following code causes drawing problems on 10.4. Perhaps it can be restored for
1758             // older versions of the OS, but I'm not sure it's appropriate to put a grow icon here
1759             // anyways, as AFAIK users can't actually use it to resize the text ctrl.
1760 //            if ( frameOptions & kTXNWantHScrollBarMask )
1761 //                frameOptions |= kTXNDrawGrowIconMask ;
1762         }
1763     }
1764     else
1765     {
1766         frameOptions |= kTXNSingleLineOnlyMask ;
1767     }
1768
1769     return frameOptions ;
1770 }
1771
1772 void wxMacMLTEControl::AdjustCreationAttributes( const wxColour &background, bool visible )
1773 {
1774     TXNControlTag iControlTags[] =
1775         {
1776             kTXNDoFontSubstitution,
1777             kTXNWordWrapStateTag ,
1778         };
1779     TXNControlData iControlData[] =
1780         {
1781             { true },
1782             { kTXNNoAutoWrap },
1783         };
1784
1785     int toptag = WXSIZEOF( iControlTags ) ;
1786
1787     if ( m_windowStyle & wxTE_MULTILINE )
1788     {
1789         iControlData[1].uValue =
1790             (m_windowStyle & wxTE_DONTWRAP)
1791             ? kTXNNoAutoWrap
1792             : kTXNAutoWrap;
1793     }
1794
1795     OSStatus err = TXNSetTXNObjectControls( m_txn, false, toptag, iControlTags, iControlData ) ;
1796     verify_noerr( err );
1797
1798     // setting the default font:
1799     // under 10.2 this causes a visible caret, therefore we avoid it
1800
1801     if ( UMAGetSystemVersion() >= 0x1030 )
1802     {
1803         Str255 fontName ;
1804         SInt16 fontSize ;
1805         Style fontStyle ;
1806
1807         GetThemeFont( kThemeSystemFont , GetApplicationScript() , fontName , &fontSize , &fontStyle ) ;
1808
1809         TXNTypeAttributes typeAttr[] =
1810         {
1811             { kTXNQDFontNameAttribute , kTXNQDFontNameAttributeSize , { (void*) fontName } } ,
1812             { kTXNQDFontSizeAttribute , kTXNFontSizeAttributeSize , { (void*) (fontSize << 16) } } ,
1813             { kTXNQDFontStyleAttribute , kTXNQDFontStyleAttributeSize , { (void*) normal } } ,
1814         } ;
1815
1816         err = TXNSetTypeAttributes(
1817             m_txn, sizeof(typeAttr) / sizeof(TXNTypeAttributes),
1818             typeAttr, kTXNStartOffset, kTXNEndOffset );
1819         verify_noerr( err );
1820     }
1821
1822     if ( m_windowStyle & wxTE_PASSWORD )
1823     {
1824         UniChar c = 0x00A5 ;
1825         err = TXNEchoMode( m_txn , c , 0 , true );
1826         verify_noerr( err );
1827     }
1828
1829     TXNBackground tback;
1830     tback.bgType = kTXNBackgroundTypeRGB;
1831     tback.bg.color = MAC_WXCOLORREF( background.GetPixel() );
1832     TXNSetBackground( m_txn , &tback );
1833
1834 #if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_4
1835     if ( UMAGetSystemVersion() >= 0x1040 )
1836     {
1837         TXNCommandEventSupportOptions options ;
1838         if ( TXNGetCommandEventSupport( m_txn, &options ) == noErr )
1839         {
1840             options |=
1841                 kTXNSupportEditCommandProcessing
1842                 | kTXNSupportEditCommandUpdating
1843                 | kTXNSupportSpellCheckCommandProcessing
1844                 | kTXNSupportSpellCheckCommandUpdating
1845                 | kTXNSupportFontCommandProcessing
1846                 | kTXNSupportFontCommandUpdating;
1847
1848             TXNSetCommandEventSupport( m_txn , options ) ;
1849         }
1850     }
1851 #endif
1852 }
1853
1854 void wxMacMLTEControl::SetBackground( const wxBrush &brush )
1855 {
1856     // currently only solid background are supported
1857     TXNBackground tback;
1858
1859     tback.bgType = kTXNBackgroundTypeRGB;
1860     tback.bg.color = MAC_WXCOLORREF( brush.GetColour().GetPixel() );
1861     TXNSetBackground( m_txn , &tback );
1862 }
1863
1864 void wxMacMLTEControl::TXNSetAttribute( const wxTextAttr& style , long from , long to )
1865 {
1866     TXNTypeAttributes typeAttr[4] ;
1867     RGBColor color ;
1868     int attrCount = 0 ;
1869
1870     if ( style.HasFont() )
1871     {
1872         const wxFont &font = style.GetFont() ;
1873
1874 #if 0 // old version
1875         Str255 fontName = "\pMonaco" ;
1876         SInt16 fontSize = 12 ;
1877         Style fontStyle = normal ;
1878         wxMacStringToPascal( font.GetFaceName() , fontName ) ;
1879         fontSize = font.GetPointSize() ;
1880         if ( font.GetUnderlined() )
1881             fontStyle |= underline ;
1882         if ( font.GetWeight() == wxBOLD )
1883             fontStyle |= bold ;
1884         if ( font.GetStyle() == wxITALIC )
1885             fontStyle |= italic ;
1886
1887         typeAttr[attrCount].tag = kTXNQDFontNameAttribute ;
1888         typeAttr[attrCount].size = kTXNQDFontNameAttributeSize ;
1889         typeAttr[attrCount].data.dataPtr = (void*)fontName ;
1890         attrCount++ ;
1891
1892         typeAttr[attrCount].tag = kTXNQDFontSizeAttribute ;
1893         typeAttr[attrCount].size = kTXNFontSizeAttributeSize ;
1894         typeAttr[attrCount].data.dataValue = (fontSize << 16) ;
1895         attrCount++ ;
1896
1897         typeAttr[attrCount].tag = kTXNQDFontStyleAttribute ;
1898         typeAttr[attrCount].size = kTXNQDFontStyleAttributeSize ;
1899         typeAttr[attrCount].data.dataValue = fontStyle ;
1900         attrCount++ ;
1901 #else
1902         typeAttr[attrCount].tag = kTXNATSUIStyle ;
1903         typeAttr[attrCount].size = kTXNATSUIStyleSize ;
1904         typeAttr[attrCount].data.dataValue = (UInt32)font.MacGetATSUStyle() ;
1905         attrCount++ ;
1906 #endif
1907     }
1908
1909     if ( style.HasTextColour() )
1910     {
1911         color = MAC_WXCOLORREF(style.GetTextColour().GetPixel()) ;
1912
1913         typeAttr[attrCount].tag = kTXNQDFontColorAttribute ;
1914         typeAttr[attrCount].size = kTXNQDFontColorAttributeSize ;
1915         typeAttr[attrCount].data.dataPtr = (void*) &color ;
1916         attrCount++ ;
1917     }
1918
1919     if ( attrCount > 0 )
1920     {
1921         verify_noerr( TXNSetTypeAttributes( m_txn , attrCount , typeAttr, from , to ) );
1922         // unfortunately the relayout is not automatic
1923         TXNRecalcTextLayout( m_txn );
1924     }
1925 }
1926
1927 void wxMacMLTEControl::SetFont( const wxFont & font , const wxColour& foreground , long windowStyle )
1928 {
1929     wxMacEditHelper help( m_txn ) ;
1930     TXNSetAttribute( wxTextAttr( foreground, wxNullColour, font ), kTXNStartOffset, kTXNEndOffset ) ;
1931 }
1932
1933 void wxMacMLTEControl::SetStyle( long start, long end, const wxTextAttr& style )
1934 {
1935     wxMacEditHelper help( m_txn ) ;
1936     TXNSetAttribute( style, start, end ) ;
1937 }
1938
1939 void wxMacMLTEControl::Copy()
1940 {
1941     ClearCurrentScrap();
1942     TXNCopy( m_txn );
1943     TXNConvertToPublicScrap();
1944 }
1945
1946 void wxMacMLTEControl::Cut()
1947 {
1948     ClearCurrentScrap();
1949     TXNCut( m_txn );
1950     TXNConvertToPublicScrap();
1951 }
1952
1953 void wxMacMLTEControl::Paste()
1954 {
1955     TXNConvertFromPublicScrap();
1956     TXNPaste( m_txn );
1957 }
1958
1959 bool wxMacMLTEControl::CanPaste() const
1960 {
1961     return TXNIsScrapPastable() ;
1962 }
1963
1964 void wxMacMLTEControl::SetEditable(bool editable)
1965 {
1966     TXNControlTag tag[] = { kTXNIOPrivilegesTag } ;
1967     TXNControlData data[] = { { editable ? kTXNReadWrite : kTXNReadOnly } } ;
1968     TXNSetTXNObjectControls( m_txn, false, WXSIZEOF(tag), tag, data ) ;
1969 }
1970
1971 wxTextPos wxMacMLTEControl::GetLastPosition() const
1972 {
1973     wxTextPos actualsize = 0 ;
1974
1975     Handle theText ;
1976     OSErr err = TXNGetDataEncoded( m_txn, kTXNStartOffset, kTXNEndOffset, &theText, kTXNTextData );
1977
1978     // all done
1979     if ( err == noErr )
1980     {
1981         actualsize = GetHandleSize( theText ) ;
1982         DisposeHandle( theText ) ;
1983     }
1984     else
1985     {
1986         actualsize = 0 ;
1987     }
1988
1989     return actualsize ;
1990 }
1991
1992 void wxMacMLTEControl::Replace( long from , long to , const wxString &str )
1993 {
1994     wxString value = str ;
1995     wxMacConvertNewlines10To13( &value ) ;
1996
1997     wxMacEditHelper help( m_txn ) ;
1998     wxMacWindowClipper c( m_peer ) ;
1999
2000     TXNSetSelection( m_txn, from, to ) ;
2001     TXNClear( m_txn ) ;
2002     SetTXNData( value, kTXNUseCurrentSelection, kTXNUseCurrentSelection ) ;
2003 }
2004
2005 void wxMacMLTEControl::Remove( long from , long to )
2006 {
2007     wxMacWindowClipper c( m_peer ) ;
2008     wxMacEditHelper help( m_txn ) ;
2009     TXNSetSelection( m_txn , from , to ) ;
2010     TXNClear( m_txn ) ;
2011 }
2012
2013 void wxMacMLTEControl::GetSelection( long* from, long* to) const
2014 {
2015     TXNGetSelection( m_txn , (TXNOffset*) from , (TXNOffset*) to ) ;
2016 }
2017
2018 void wxMacMLTEControl::SetSelection( long from , long to )
2019 {
2020     wxMacWindowClipper c( m_peer ) ;
2021
2022     // change the selection
2023     if ((from == -1) && (to == -1))
2024         TXNSelectAll( m_txn );
2025     else
2026         TXNSetSelection( m_txn, from, to );
2027
2028     TXNShowSelection( m_txn, kTXNShowStart );
2029 }
2030
2031 void wxMacMLTEControl::WriteText( const wxString& str )
2032 {
2033     wxString st = str ;
2034     wxMacConvertNewlines10To13( &st ) ;
2035
2036     long start , end , dummy ;
2037
2038     GetSelection( &start , &dummy ) ;
2039     wxMacWindowClipper c( m_peer ) ;
2040
2041     {
2042         wxMacEditHelper helper( m_txn ) ;
2043         SetTXNData( st, kTXNUseCurrentSelection, kTXNUseCurrentSelection ) ;
2044     }
2045
2046     GetSelection( &dummy, &end ) ;
2047
2048     // TODO: SetStyle( start , end , GetDefaultStyle() ) ;
2049 }
2050
2051 void wxMacMLTEControl::Clear()
2052 {
2053     wxMacWindowClipper c( m_peer ) ;
2054     wxMacEditHelper st( m_txn ) ;
2055     TXNSetSelection( m_txn , kTXNStartOffset , kTXNEndOffset ) ;
2056     TXNClear( m_txn ) ;
2057 }
2058
2059 bool wxMacMLTEControl::CanUndo() const
2060 {
2061     return TXNCanUndo( m_txn , NULL ) ;
2062 }
2063
2064 void wxMacMLTEControl::Undo()
2065 {
2066     TXNUndo( m_txn ) ;
2067 }
2068
2069 bool wxMacMLTEControl::CanRedo() const
2070 {
2071     return TXNCanRedo( m_txn , NULL ) ;
2072 }
2073
2074 void wxMacMLTEControl::Redo()
2075 {
2076     TXNRedo( m_txn ) ;
2077 }
2078
2079 int wxMacMLTEControl::GetNumberOfLines() const
2080 {
2081     ItemCount lines = 0 ;
2082     TXNGetLineCount( m_txn, &lines ) ;
2083
2084     return lines ;
2085 }
2086
2087 long wxMacMLTEControl::XYToPosition(long x, long y) const
2088 {
2089     Point curpt ;
2090     wxTextPos lastpos ;
2091
2092     // TODO: find a better implementation : while we can get the
2093     // line metrics of a certain line, we don't get its starting
2094     // position, so it would probably be rather a binary search
2095     // for the start position
2096     long xpos = 0, ypos = 0 ;
2097     int lastHeight = 0 ;
2098     ItemCount n ;
2099
2100     lastpos = GetLastPosition() ;
2101     for ( n = 0 ; n <= (ItemCount) lastpos ; ++n )
2102     {
2103         if ( y == ypos && x == xpos )
2104             return n ;
2105
2106         TXNOffsetToPoint( m_txn, n, &curpt ) ;
2107
2108         if ( curpt.v > lastHeight )
2109         {
2110             xpos = 0 ;
2111             if ( n > 0 )
2112                 ++ypos ;
2113
2114             lastHeight = curpt.v ;
2115         }
2116         else
2117             ++xpos ;
2118     }
2119
2120     return 0 ;
2121 }
2122
2123 bool wxMacMLTEControl::PositionToXY( long pos, long *x, long *y ) const
2124 {
2125     Point curpt ;
2126     wxTextPos lastpos ;
2127
2128     if ( y )
2129         *y = 0 ;
2130     if ( x )
2131         *x = 0 ;
2132
2133     lastpos = GetLastPosition() ;
2134     if ( pos <= lastpos )
2135     {
2136         // TODO: find a better implementation - while we can get the
2137         // line metrics of a certain line, we don't get its starting
2138         // position, so it would probably be rather a binary search
2139         // for the start position
2140         long xpos = 0, ypos = 0 ;
2141         int lastHeight = 0 ;
2142         ItemCount n ;
2143
2144         for ( n = 0 ; n <= (ItemCount) pos ; ++n )
2145         {
2146             TXNOffsetToPoint( m_txn, n, &curpt ) ;
2147
2148             if ( curpt.v > lastHeight )
2149             {
2150                 xpos = 0 ;
2151                 if ( n > 0 )
2152                     ++ypos ;
2153
2154                 lastHeight = curpt.v ;
2155             }
2156             else
2157                 ++xpos ;
2158         }
2159
2160         if ( y )
2161             *y = ypos ;
2162         if ( x )
2163             *x = xpos ;
2164     }
2165
2166     return false ;
2167 }
2168
2169 void wxMacMLTEControl::ShowPosition( long pos )
2170 {
2171 #if TARGET_RT_MAC_MACHO && defined(AVAILABLE_MAC_OS_X_VERSION_10_2_AND_LATER)
2172     {
2173         Point current, desired ;
2174         TXNOffset selstart, selend;
2175
2176         TXNGetSelection( m_txn, &selstart, &selend );
2177         TXNOffsetToPoint( m_txn, selstart, &current );
2178         TXNOffsetToPoint( m_txn, pos, &desired );
2179
2180         // TODO: use HIPoints for 10.3 and above
2181         if ( (UInt32)TXNScroll != (UInt32)kUnresolvedCFragSymbolAddress )
2182         {
2183             OSErr theErr = noErr;
2184             SInt32 dv = desired.v - current.v;
2185             SInt32 dh = desired.h - current.h;
2186             TXNShowSelection( m_txn, kTXNShowStart ) ; // NB: should this be kTXNShowStart or kTXNShowEnd ??
2187             theErr = TXNScroll( m_txn, kTXNScrollUnitsInPixels, kTXNScrollUnitsInPixels, &dv, &dh );
2188
2189             // there will be an error returned for classic MLTE implementation when the control is
2190             // invisible, but HITextView works correctly, so we don't assert that one
2191             // wxASSERT_MSG( theErr == noErr, _T("TXNScroll returned an error!") );
2192         }
2193     }
2194 #endif
2195 }
2196
2197 void wxMacMLTEControl::SetTXNData( const wxString& st, TXNOffset start, TXNOffset end )
2198 {
2199 #if wxUSE_UNICODE
2200 #if SIZEOF_WCHAR_T == 2
2201     size_t len = st.length() ;
2202     TXNSetData( m_txn, kTXNUnicodeTextData, (void*)st.wc_str(), len * 2, start, end );
2203 #else
2204     wxMBConvUTF16 converter ;
2205     ByteCount byteBufferLen = converter.WC2MB( NULL, st.wc_str(), 0 ) ;
2206     UniChar *unibuf = (UniChar*)malloc( byteBufferLen ) ;
2207     converter.WC2MB( (char*)unibuf, st.wc_str(), byteBufferLen ) ;
2208     TXNSetData( m_txn, kTXNUnicodeTextData, (void*)unibuf, byteBufferLen, start, end ) ;
2209     free( unibuf ) ;
2210 #endif
2211 #else
2212     wxCharBuffer text = st.mb_str( wxConvLocal ) ;
2213     TXNSetData( m_txn, kTXNTextData, (void*)text.data(), strlen( text ), start, end ) ;
2214 #endif
2215 }
2216
2217 wxString wxMacMLTEControl::GetLineText(long lineNo) const
2218 {
2219     wxString line ;
2220
2221     if ( lineNo < GetNumberOfLines() )
2222     {
2223         Point firstPoint;
2224         Fixed lineWidth, lineHeight, currentHeight;
2225         long ypos ;
2226
2227         // get the first possible position in the control
2228         TXNOffsetToPoint(m_txn, 0, &firstPoint);
2229
2230         // Iterate through the lines until we reach the one we want,
2231         // adding to our current y pixel point position
2232         ypos = 0 ;
2233         currentHeight = 0;
2234         while (ypos < lineNo)
2235         {
2236             TXNGetLineMetrics(m_txn, ypos++, &lineWidth, &lineHeight);
2237             currentHeight += lineHeight;
2238         }
2239
2240         Point thePoint = { firstPoint.v + (currentHeight >> 16), firstPoint.h + (0) };
2241         TXNOffset theOffset;
2242         TXNPointToOffset(m_txn, thePoint, &theOffset);
2243
2244         wxString content = GetStringValue() ;
2245         Point currentPoint = thePoint;
2246         while (thePoint.v == currentPoint.v && theOffset < content.length())
2247         {
2248             line += content[theOffset];
2249             TXNOffsetToPoint(m_txn, ++theOffset, &currentPoint);
2250         }
2251     }
2252
2253     return line ;
2254 }
2255
2256 int wxMacMLTEControl::GetLineLength(long lineNo) const
2257 {
2258     int theLength = 0;
2259
2260     if ( lineNo < GetNumberOfLines() )
2261     {
2262         Point firstPoint;
2263         Fixed lineWidth, lineHeight, currentHeight;
2264         long ypos;
2265
2266         // get the first possible position in the control
2267         TXNOffsetToPoint(m_txn, 0, &firstPoint);
2268
2269         // Iterate through the lines until we reach the one we want,
2270         // adding to our current y pixel point position
2271         ypos = 0;
2272         currentHeight = 0;
2273         while (ypos < lineNo)
2274         {
2275             TXNGetLineMetrics(m_txn, ypos++, &lineWidth, &lineHeight);
2276             currentHeight += lineHeight;
2277         }
2278
2279         Point thePoint = { firstPoint.v + (currentHeight >> 16), firstPoint.h + (0) };
2280         TXNOffset theOffset;
2281         TXNPointToOffset(m_txn, thePoint, &theOffset);
2282
2283         wxString content = GetStringValue() ;
2284         Point currentPoint = thePoint;
2285         while (thePoint.v == currentPoint.v && theOffset < content.length())
2286         {
2287             ++theLength;
2288             TXNOffsetToPoint(m_txn, ++theOffset, &currentPoint);
2289         }
2290     }
2291
2292     return theLength ;
2293 }
2294
2295 // ----------------------------------------------------------------------------
2296 // MLTE control implementation (classic part)
2297 // ----------------------------------------------------------------------------
2298
2299 // OS X Notes : We still don't have a full replacement for MLTE, so this implementation
2300 // has to live on. We have different problems coming from outdated implementations on the
2301 // various OS X versions. Most deal with the scrollbars: they are not correctly embedded
2302 // while this can be solved on 10.3 by reassigning them the correct place, on 10.2 there is
2303 // no way out, therefore we are using our own implementation and our own scrollbars ....
2304
2305 #ifdef __WXMAC_OSX__
2306
2307 TXNScrollInfoUPP gTXNScrollInfoProc = NULL ;
2308 ControlActionUPP gTXNScrollActionProc = NULL ;
2309
2310 pascal void wxMacMLTEClassicControl::TXNScrollInfoProc(
2311     SInt32 iValue, SInt32 iMaximumValue,
2312     TXNScrollBarOrientation iScrollBarOrientation, SInt32 iRefCon )
2313 {
2314     wxMacMLTEClassicControl* mlte = (wxMacMLTEClassicControl*) iRefCon ;
2315     SInt32 value =  wxMax( iValue , 0 ) ;
2316     SInt32 maximum = wxMax( iMaximumValue , 0 ) ;
2317
2318     if ( iScrollBarOrientation == kTXNHorizontal )
2319     {
2320         if ( mlte->m_sbHorizontal )
2321         {
2322             SetControl32BitValue( mlte->m_sbHorizontal , value ) ;
2323             SetControl32BitMaximum( mlte->m_sbHorizontal , maximum ) ;
2324             mlte->m_lastHorizontalValue = value ;
2325         }
2326     }
2327     else if ( iScrollBarOrientation == kTXNVertical )
2328     {
2329         if ( mlte->m_sbVertical )
2330         {
2331             SetControl32BitValue( mlte->m_sbVertical , value ) ;
2332             SetControl32BitMaximum( mlte->m_sbVertical , maximum ) ;
2333             mlte->m_lastVerticalValue = value ;
2334         }
2335     }
2336 }
2337
2338 pascal void wxMacMLTEClassicControl::TXNScrollActionProc( ControlRef controlRef , ControlPartCode partCode )
2339 {
2340     wxMacMLTEClassicControl* mlte = (wxMacMLTEClassicControl*) GetControlReference( controlRef ) ;
2341     if ( mlte == NULL )
2342         return ;
2343
2344     if ( controlRef != mlte->m_sbVertical && controlRef != mlte->m_sbHorizontal )
2345         return ;
2346
2347     OSStatus err ;
2348     bool isHorizontal = ( controlRef == mlte->m_sbHorizontal ) ;
2349
2350     SInt32 minimum = 0 ;
2351     SInt32 maximum = GetControl32BitMaximum( controlRef ) ;
2352     SInt32 value = GetControl32BitValue( controlRef ) ;
2353     SInt32 delta = 0;
2354
2355     switch ( partCode )
2356     {
2357         case kControlDownButtonPart :
2358             delta = 10 ;
2359             break ;
2360
2361         case kControlUpButtonPart :
2362             delta = -10 ;
2363             break ;
2364
2365         case kControlPageDownPart :
2366             delta = GetControlViewSize( controlRef ) ;
2367             break ;
2368
2369         case kControlPageUpPart :
2370             delta = -GetControlViewSize( controlRef ) ;
2371             break ;
2372
2373         case kControlIndicatorPart :
2374             delta = value - (isHorizontal ? mlte->m_lastHorizontalValue : mlte->m_lastVerticalValue) ;
2375             break ;
2376
2377         default :
2378             break ;
2379     }
2380
2381     if ( delta != 0 )
2382     {
2383         SInt32 newValue = value ;
2384
2385         if ( partCode != kControlIndicatorPart )
2386         {
2387             if ( value + delta < minimum )
2388                 delta = minimum - value ;
2389             if ( value + delta > maximum )
2390                 delta = maximum - value ;
2391
2392             SetControl32BitValue( controlRef , value + delta ) ;
2393             newValue = value + delta ;
2394         }
2395
2396         SInt32 verticalDelta = isHorizontal ? 0 : delta ;
2397         SInt32 horizontalDelta = isHorizontal ? delta : 0 ;
2398
2399         err = TXNScroll(
2400             mlte->m_txn, kTXNScrollUnitsInPixels, kTXNScrollUnitsInPixels,
2401             &verticalDelta, &horizontalDelta );
2402         verify_noerr( err );
2403
2404         if ( isHorizontal )
2405             mlte->m_lastHorizontalValue = newValue ;
2406         else
2407             mlte->m_lastVerticalValue = newValue ;
2408     }
2409 }
2410 #endif
2411
2412 // make correct activations
2413 void wxMacMLTEClassicControl::MacActivatePaneText(bool setActive)
2414 {
2415     wxTextCtrl* textctrl = (wxTextCtrl*) GetControlReference(m_controlRef);
2416
2417     wxMacWindowClipper clipper( textctrl ) ;
2418     TXNActivate( m_txn, m_txnFrameID, setActive );
2419
2420     ControlRef controlFocus = 0 ;
2421     GetKeyboardFocus( m_txnWindow , &controlFocus ) ;
2422     if ( controlFocus == m_controlRef )
2423         TXNFocus( m_txn, setActive );
2424 }
2425
2426 void wxMacMLTEClassicControl::MacFocusPaneText(bool setFocus)
2427 {
2428     TXNFocus( m_txn, setFocus );
2429 }
2430
2431 // guards against inappropriate redraw (hidden objects drawing onto window)
2432
2433 void wxMacMLTEClassicControl::MacSetObjectVisibility(bool vis)
2434 {
2435     ControlRef controlFocus = 0 ;
2436     GetKeyboardFocus( m_txnWindow , &controlFocus ) ;
2437
2438     if ( !vis && (controlFocus == m_controlRef ) )
2439         SetKeyboardFocus( m_txnWindow , m_controlRef , kControlFocusNoPart ) ;
2440
2441     TXNControlTag iControlTags[1] = { kTXNVisibilityTag };
2442     TXNControlData iControlData[1] = { { (UInt32)false } };
2443
2444     verify_noerr( TXNGetTXNObjectControls( m_txn , 1, iControlTags, iControlData ) ) ;
2445
2446     if ( iControlData[0].uValue != vis )
2447     {
2448         iControlData[0].uValue = vis ;
2449         verify_noerr( TXNSetTXNObjectControls( m_txn, false , 1, iControlTags, iControlData ) ) ;
2450     }
2451
2452     // currently, we always clip as partial visibility (overlapped) visibility is also a problem,
2453     // if we run into further problems we might set the FrameBounds to an empty rect here
2454 }
2455
2456 // make sure that the TXNObject is at the right position
2457
2458 void wxMacMLTEClassicControl::MacUpdatePosition()
2459 {
2460     wxTextCtrl* textctrl = (wxTextCtrl*)GetControlReference( m_controlRef );
2461     if ( textctrl == NULL )
2462         return ;
2463
2464     Rect bounds ;
2465     UMAGetControlBoundsInWindowCoords( m_controlRef, &bounds );
2466
2467     wxRect visRect = textctrl->MacGetClippedClientRect() ;
2468     Rect visBounds = { visRect.y , visRect.x , visRect.y + visRect.height , visRect.x + visRect.width } ;
2469     int x , y ;
2470     x = y = 0 ;
2471     textctrl->MacWindowToRootWindow( &x , &y ) ;
2472     OffsetRect( &visBounds , x , y ) ;
2473
2474     if ( !EqualRect( &bounds, &m_txnControlBounds ) || !EqualRect( &visBounds, &m_txnVisBounds ) )
2475     {
2476         m_txnControlBounds = bounds ;
2477         m_txnVisBounds = visBounds ;
2478         wxMacWindowClipper cl( textctrl ) ;
2479
2480 #ifdef __WXMAC_OSX__
2481         if ( m_sbHorizontal || m_sbVertical )
2482         {
2483             int w = bounds.right - bounds.left ;
2484             int h = bounds.bottom - bounds.top ;
2485
2486             if ( m_sbHorizontal )
2487             {
2488                 Rect sbBounds ;
2489
2490                 sbBounds.left = -1 ;
2491                 sbBounds.top = h - 14 ;
2492                 sbBounds.right = w + 1 ;
2493                 sbBounds.bottom = h + 1 ;
2494
2495                 SetControlBounds( m_sbHorizontal , &sbBounds ) ;
2496                 SetControlViewSize( m_sbHorizontal , w ) ;
2497             }
2498
2499             if ( m_sbVertical )
2500             {
2501                 Rect sbBounds ;
2502
2503                 sbBounds.left = w - 14 ;
2504                 sbBounds.top = -1 ;
2505                 sbBounds.right = w + 1 ;
2506                 sbBounds.bottom = m_sbHorizontal ? h - 14 : h + 1 ;
2507
2508                 SetControlBounds( m_sbVertical , &sbBounds ) ;
2509                 SetControlViewSize( m_sbVertical , h ) ;
2510             }
2511         }
2512
2513         Rect oldviewRect ;
2514         TXNLongRect olddestRect ;
2515         TXNGetRectBounds( m_txn , &oldviewRect , &olddestRect , NULL ) ;
2516
2517         Rect viewRect = { m_txnControlBounds.top, m_txnControlBounds.left,
2518             m_txnControlBounds.bottom - ( m_sbHorizontal ? 14 : 0 ) ,
2519             m_txnControlBounds.right - ( m_sbVertical ? 14 : 0 ) } ;
2520         TXNLongRect destRect = { m_txnControlBounds.top, m_txnControlBounds.left,
2521             m_txnControlBounds.bottom - ( m_sbHorizontal ? 14 : 0 ) ,
2522             m_txnControlBounds.right - ( m_sbVertical ? 14 : 0 ) } ;
2523
2524         if ( olddestRect.right >= 10000 )
2525             destRect.right = destRect.left + 32000 ;
2526
2527         if ( olddestRect.bottom >= 0x20000000 )
2528             destRect.bottom = destRect.top + 0x40000000 ;
2529
2530         SectRect( &viewRect , &visBounds , &viewRect ) ;
2531         TXNSetRectBounds( m_txn , &viewRect , &destRect , true ) ;
2532
2533 #if 0
2534         TXNSetFrameBounds(
2535             m_txn,
2536             m_txnControlBounds.top,
2537             m_txnControlBounds.left,
2538             m_txnControlBounds.bottom - (m_sbHorizontal ? 14 : 0),
2539             m_txnControlBounds.right - (m_sbVertical ? 14 : 0),
2540             m_txnFrameID );
2541 #endif
2542 #else
2543
2544         TXNSetFrameBounds(
2545             m_txn, m_txnControlBounds.top, m_txnControlBounds.left,
2546             wxMax( m_txnControlBounds.bottom, m_txnControlBounds.top ),
2547             wxMax( m_txnControlBounds.right, m_txnControlBounds.left ), m_txnFrameID );
2548 #endif
2549
2550         // the SetFrameBounds method under Classic sometimes does not correctly scroll a selection into sight after a
2551         // movement, therefore we have to force it
2552
2553         // this problem has been reported in OSX as well, so we use this here once again
2554
2555         TXNLongRect textRect ;
2556         TXNGetRectBounds( m_txn , NULL , NULL , &textRect ) ;
2557         if ( textRect.left < m_txnControlBounds.left )
2558             TXNShowSelection( m_txn , kTXNShowStart ) ;
2559     }
2560 }
2561
2562 void wxMacMLTEClassicControl::SetRect( Rect *r )
2563 {
2564     wxMacControl::SetRect( r ) ;
2565     MacUpdatePosition() ;
2566 }
2567
2568 void wxMacMLTEClassicControl::MacControlUserPaneDrawProc(wxInt16 thePart)
2569 {
2570     wxTextCtrl* textctrl = (wxTextCtrl*)GetControlReference( m_controlRef );
2571     if ( textctrl == NULL )
2572         return ;
2573
2574     if ( textctrl->MacIsReallyShown() )
2575     {
2576         wxMacWindowClipper clipper( textctrl ) ;
2577         TXNDraw( m_txn , NULL ) ;
2578     }
2579 }
2580
2581 wxInt16 wxMacMLTEClassicControl::MacControlUserPaneHitTestProc(wxInt16 x, wxInt16 y)
2582 {
2583     Point where = { y , x } ;
2584     ControlPartCode result = kControlNoPart;
2585
2586     wxTextCtrl* textctrl = (wxTextCtrl*) GetControlReference( m_controlRef );
2587     if ( (textctrl != NULL) && textctrl->MacIsReallyShown() )
2588     {
2589         if (PtInRect( where, &m_txnControlBounds ))
2590         {
2591             result = kControlEditTextPart ;
2592         }
2593         else
2594         {
2595             // sometimes we get the coords also in control local coordinates, therefore test again
2596             int x = 0 , y = 0 ;
2597             textctrl->MacClientToRootWindow( &x , &y ) ;
2598             where.h += x ;
2599             where.v += y ;
2600
2601             if (PtInRect( where, &m_txnControlBounds ))
2602                 result = kControlEditTextPart ;
2603         }
2604     }
2605
2606     return result;
2607 }
2608
2609 wxInt16 wxMacMLTEClassicControl::MacControlUserPaneTrackingProc( wxInt16 x, wxInt16 y, void* actionProc )
2610 {
2611     ControlPartCode result = kControlNoPart;
2612
2613     wxTextCtrl* textctrl = (wxTextCtrl*) GetControlReference( m_controlRef );
2614     if ( (textctrl != NULL) && textctrl->MacIsReallyShown() )
2615     {
2616         Point startPt = { y , x } ;
2617
2618         // for compositing, we must convert these into toplevel window coordinates, because hittesting expects them
2619         int x = 0 , y = 0 ;
2620         textctrl->MacClientToRootWindow( &x , &y ) ;
2621         startPt.h += x ;
2622         startPt.v += y ;
2623
2624         switch (MacControlUserPaneHitTestProc( startPt.h , startPt.v ))
2625         {
2626             case kControlEditTextPart :
2627             {
2628                 wxMacWindowClipper clipper( textctrl ) ;
2629                 EventRecord rec ;
2630
2631                 ConvertEventRefToEventRecord( (EventRef) wxTheApp->MacGetCurrentEvent() , &rec ) ;
2632                 TXNClick( m_txn, &rec );
2633             }
2634                 break;
2635
2636             default :
2637                 break;
2638         }
2639     }
2640
2641     return result;
2642 }
2643
2644 void wxMacMLTEClassicControl::MacControlUserPaneIdleProc()
2645 {
2646     wxTextCtrl* textctrl = (wxTextCtrl*)GetControlReference( m_controlRef );
2647     if ( textctrl == NULL )
2648         return ;
2649
2650     if (textctrl->MacIsReallyShown())
2651     {
2652         if (IsControlActive(m_controlRef))
2653         {
2654             Point mousep;
2655
2656             wxMacWindowClipper clipper( textctrl ) ;
2657             GetMouse(&mousep);
2658
2659             TXNIdle(m_txn);
2660
2661             if (PtInRect(mousep, &m_txnControlBounds))
2662             {
2663                 RgnHandle theRgn = NewRgn();
2664                 RectRgn(theRgn, &m_txnControlBounds);
2665                 TXNAdjustCursor(m_txn, theRgn);
2666                 DisposeRgn(theRgn);
2667             }
2668         }
2669     }
2670 }
2671
2672 wxInt16 wxMacMLTEClassicControl::MacControlUserPaneKeyDownProc (wxInt16 keyCode, wxInt16 charCode, wxInt16 modifiers)
2673 {
2674     wxTextCtrl* textctrl = (wxTextCtrl*)GetControlReference( m_controlRef );
2675     if ( textctrl == NULL )
2676         return kControlNoPart;
2677
2678     wxMacWindowClipper clipper( textctrl ) ;
2679
2680     EventRecord ev ;
2681     memset( &ev , 0 , sizeof( ev ) ) ;
2682     ev.what = keyDown ;
2683     ev.modifiers = modifiers ;
2684     ev.message = ((keyCode << 8) & keyCodeMask) | (charCode & charCodeMask);
2685     TXNKeyDown( m_txn , &ev );
2686
2687     return kControlEntireControl;
2688 }
2689
2690 void wxMacMLTEClassicControl::MacControlUserPaneActivateProc(bool activating)
2691 {
2692     MacActivatePaneText( activating );
2693 }
2694
2695 wxInt16 wxMacMLTEClassicControl::MacControlUserPaneFocusProc(wxInt16 action)
2696 {
2697     ControlPartCode focusResult = kControlFocusNoPart;
2698
2699     wxTextCtrl* textctrl = (wxTextCtrl*)GetControlReference( m_controlRef );
2700     if ( textctrl == NULL )
2701         return focusResult;
2702
2703     wxMacWindowClipper clipper( textctrl ) ;
2704
2705     ControlRef controlFocus = NULL ;
2706     GetKeyboardFocus( m_txnWindow , &controlFocus ) ;
2707     bool wasFocused = ( controlFocus == m_controlRef ) ;
2708
2709     switch (action)
2710     {
2711         case kControlFocusPrevPart:
2712         case kControlFocusNextPart:
2713             MacFocusPaneText( !wasFocused );
2714             focusResult = (!wasFocused ? (ControlPartCode) kControlEditTextPart : (ControlPartCode) kControlFocusNoPart);
2715             break;
2716
2717         case kControlFocusNoPart:
2718         default:
2719             MacFocusPaneText( false );
2720             focusResult = kControlFocusNoPart;
2721             break;
2722     }
2723
2724     return focusResult;
2725 }
2726
2727 void wxMacMLTEClassicControl::MacControlUserPaneBackgroundProc( void *info )
2728 {
2729 }
2730
2731 wxMacMLTEClassicControl::wxMacMLTEClassicControl( wxTextCtrl *wxPeer,
2732     const wxString& str,
2733     const wxPoint& pos,
2734     const wxSize& size, long style )
2735     : wxMacMLTEControl( wxPeer )
2736 {
2737     m_font = wxPeer->GetFont() ;
2738     m_windowStyle = style ;
2739     Rect bounds = wxMacGetBoundsForControl( wxPeer , pos , size ) ;
2740
2741     short featureSet =
2742         kControlSupportsEmbedding | kControlSupportsFocus | kControlWantsIdle
2743         | kControlWantsActivate  | kControlHandlesTracking
2744 //    | kControlHasSpecialBackground
2745         | kControlGetsFocusOnClick | kControlSupportsLiveFeedback;
2746
2747    OSStatus err = ::CreateUserPaneControl(
2748         MAC_WXHWND(wxPeer->GetParent()->MacGetTopLevelWindowRef()),
2749         &bounds, featureSet, &m_controlRef );
2750     verify_noerr( err );
2751
2752     DoCreate();
2753
2754     AdjustCreationAttributes( *wxWHITE , true ) ;
2755
2756     MacSetObjectVisibility( wxPeer->MacIsReallyShown() ) ;
2757
2758     {
2759         wxString st = str ;
2760         wxMacConvertNewlines10To13( &st ) ;
2761         wxMacWindowClipper clipper( m_peer ) ;
2762         SetTXNData( st , kTXNStartOffset, kTXNEndOffset ) ;
2763         TXNSetSelection( m_txn, 0, 0 ) ;
2764     }
2765 }
2766
2767 wxMacMLTEClassicControl::~wxMacMLTEClassicControl()
2768 {
2769     TXNDeleteObject( m_txn );
2770     m_txn = NULL ;
2771 }
2772
2773 void wxMacMLTEClassicControl::VisibilityChanged(bool shown)
2774 {
2775     MacSetObjectVisibility( shown ) ;
2776     wxMacControl::VisibilityChanged( shown ) ;
2777 }
2778
2779 void wxMacMLTEClassicControl::SuperChangedPosition()
2780 {
2781     MacUpdatePosition() ;
2782     wxMacControl::SuperChangedPosition() ;
2783 }
2784
2785 #ifdef __WXMAC_OSX__
2786
2787 ControlUserPaneDrawUPP gTPDrawProc = NULL;
2788 ControlUserPaneHitTestUPP gTPHitProc = NULL;
2789 ControlUserPaneTrackingUPP gTPTrackProc = NULL;
2790 ControlUserPaneIdleUPP gTPIdleProc = NULL;
2791 ControlUserPaneKeyDownUPP gTPKeyProc = NULL;
2792 ControlUserPaneActivateUPP gTPActivateProc = NULL;
2793 ControlUserPaneFocusUPP gTPFocusProc = NULL;
2794
2795 static pascal void wxMacControlUserPaneDrawProc(ControlRef control, SInt16 part)
2796 {
2797     wxTextCtrl *textCtrl =  wxDynamicCast( wxFindControlFromMacControl(control) , wxTextCtrl ) ;
2798     wxMacMLTEClassicControl * win = textCtrl ? (wxMacMLTEClassicControl*)(textCtrl->GetPeer()) : NULL ;
2799     if ( win )
2800         win->MacControlUserPaneDrawProc( part ) ;
2801 }
2802
2803 static pascal ControlPartCode wxMacControlUserPaneHitTestProc(ControlRef control, Point where)
2804 {
2805     wxTextCtrl *textCtrl =  wxDynamicCast( wxFindControlFromMacControl(control) , wxTextCtrl ) ;
2806     wxMacMLTEClassicControl * win = textCtrl ? (wxMacMLTEClassicControl*)(textCtrl->GetPeer()) : NULL ;
2807     if ( win )
2808         return win->MacControlUserPaneHitTestProc( where.h , where.v ) ;
2809     else
2810         return kControlNoPart ;
2811 }
2812
2813 static pascal ControlPartCode wxMacControlUserPaneTrackingProc(ControlRef control, Point startPt, ControlActionUPP actionProc)
2814 {
2815     wxTextCtrl *textCtrl =  wxDynamicCast( wxFindControlFromMacControl(control) , wxTextCtrl ) ;
2816     wxMacMLTEClassicControl * win = textCtrl ? (wxMacMLTEClassicControl*)(textCtrl->GetPeer()) : NULL ;
2817     if ( win )
2818         return win->MacControlUserPaneTrackingProc( startPt.h , startPt.v , (void*) actionProc ) ;
2819     else
2820         return kControlNoPart ;
2821 }
2822
2823 static pascal void wxMacControlUserPaneIdleProc(ControlRef control)
2824 {
2825     wxTextCtrl *textCtrl =  wxDynamicCast( wxFindControlFromMacControl(control) , wxTextCtrl ) ;
2826     wxMacMLTEClassicControl * win = textCtrl ? (wxMacMLTEClassicControl*)(textCtrl->GetPeer()) : NULL ;
2827     if ( win )
2828         win->MacControlUserPaneIdleProc() ;
2829 }
2830
2831 static pascal ControlPartCode wxMacControlUserPaneKeyDownProc(ControlRef control, SInt16 keyCode, SInt16 charCode, SInt16 modifiers)
2832 {
2833     wxTextCtrl *textCtrl =  wxDynamicCast( wxFindControlFromMacControl(control) , wxTextCtrl ) ;
2834     wxMacMLTEClassicControl * win = textCtrl ? (wxMacMLTEClassicControl*)(textCtrl->GetPeer()) : NULL ;
2835     if ( win )
2836         return win->MacControlUserPaneKeyDownProc( keyCode, charCode, modifiers ) ;
2837     else
2838         return kControlNoPart ;
2839 }
2840
2841 static pascal void wxMacControlUserPaneActivateProc(ControlRef control, Boolean activating)
2842 {
2843     wxTextCtrl *textCtrl =  wxDynamicCast( wxFindControlFromMacControl(control) , wxTextCtrl ) ;
2844     wxMacMLTEClassicControl * win = textCtrl ? (wxMacMLTEClassicControl*)(textCtrl->GetPeer()) : NULL ;
2845     if ( win )
2846         win->MacControlUserPaneActivateProc( activating ) ;
2847 }
2848
2849 static pascal ControlPartCode wxMacControlUserPaneFocusProc(ControlRef control, ControlFocusPart action)
2850 {
2851     wxTextCtrl *textCtrl =  wxDynamicCast( wxFindControlFromMacControl(control) , wxTextCtrl ) ;
2852     wxMacMLTEClassicControl * win = textCtrl ? (wxMacMLTEClassicControl*)(textCtrl->GetPeer()) : NULL ;
2853     if ( win )
2854         return win->MacControlUserPaneFocusProc( action ) ;
2855     else
2856         return kControlNoPart ;
2857 }
2858
2859 #if 0
2860 static pascal void wxMacControlUserPaneBackgroundProc(ControlRef control, ControlBackgroundPtr info)
2861 {
2862     wxTextCtrl *textCtrl =  wxDynamicCast( wxFindControlFromMacControl(control) , wxTextCtrl ) ;
2863     wxMacMLTEClassicControl * win = textCtrl ? (wxMacMLTEClassicControl*)(textCtrl->GetPeer()) : NULL ;
2864     if ( win )
2865         win->MacControlUserPaneBackgroundProc(info) ;
2866 }
2867 #endif
2868
2869 #endif // __WXMAC_OSX__
2870
2871 // TXNRegisterScrollInfoProc
2872
2873 OSStatus wxMacMLTEClassicControl::DoCreate()
2874 {
2875     Rect bounds;
2876     OSStatus err = noErr ;
2877
2878     // set up our globals
2879 #ifdef __WXMAC_OSX__
2880     if (gTPDrawProc == NULL) gTPDrawProc = NewControlUserPaneDrawUPP(wxMacControlUserPaneDrawProc);
2881     if (gTPHitProc == NULL) gTPHitProc = NewControlUserPaneHitTestUPP(wxMacControlUserPaneHitTestProc);
2882     if (gTPTrackProc == NULL) gTPTrackProc = NewControlUserPaneTrackingUPP(wxMacControlUserPaneTrackingProc);
2883     if (gTPIdleProc == NULL) gTPIdleProc = NewControlUserPaneIdleUPP(wxMacControlUserPaneIdleProc);
2884     if (gTPKeyProc == NULL) gTPKeyProc = NewControlUserPaneKeyDownUPP(wxMacControlUserPaneKeyDownProc);
2885     if (gTPActivateProc == NULL) gTPActivateProc = NewControlUserPaneActivateUPP(wxMacControlUserPaneActivateProc);
2886     if (gTPFocusProc == NULL) gTPFocusProc = NewControlUserPaneFocusUPP(wxMacControlUserPaneFocusProc);
2887
2888     if (gTXNScrollInfoProc == NULL ) gTXNScrollInfoProc = NewTXNScrollInfoUPP(TXNScrollInfoProc) ;
2889     if (gTXNScrollActionProc == NULL ) gTXNScrollActionProc = NewControlActionUPP(TXNScrollActionProc) ;
2890 #endif
2891
2892     // set the initial settings for our private data
2893
2894     m_txnWindow = GetControlOwner(m_controlRef);
2895     m_txnPort = (GrafPtr) GetWindowPort(m_txnWindow);
2896
2897 #ifdef __WXMAC_OSX__
2898     // set up the user pane procedures
2899     SetControlData(m_controlRef, kControlEntireControl, kControlUserPaneDrawProcTag, sizeof(gTPDrawProc), &gTPDrawProc);
2900     SetControlData(m_controlRef, kControlEntireControl, kControlUserPaneHitTestProcTag, sizeof(gTPHitProc), &gTPHitProc);
2901     SetControlData(m_controlRef, kControlEntireControl, kControlUserPaneTrackingProcTag, sizeof(gTPTrackProc), &gTPTrackProc);
2902     SetControlData(m_controlRef, kControlEntireControl, kControlUserPaneIdleProcTag, sizeof(gTPIdleProc), &gTPIdleProc);
2903     SetControlData(m_controlRef, kControlEntireControl, kControlUserPaneKeyDownProcTag, sizeof(gTPKeyProc), &gTPKeyProc);
2904     SetControlData(m_controlRef, kControlEntireControl, kControlUserPaneActivateProcTag, sizeof(gTPActivateProc), &gTPActivateProc);
2905     SetControlData(m_controlRef, kControlEntireControl, kControlUserPaneFocusProcTag, sizeof(gTPFocusProc), &gTPFocusProc);
2906 #endif
2907
2908     // calculate the rectangles used by the control
2909     UMAGetControlBoundsInWindowCoords( m_controlRef, &bounds );
2910
2911     m_txnControlBounds = bounds ;
2912     m_txnVisBounds = bounds ;
2913
2914     CGrafPtr origPort ;
2915     GDHandle origDev ;
2916
2917     GetGWorld( &origPort, &origDev ) ;
2918     SetPort( m_txnPort );
2919
2920     // create the new edit field
2921     TXNFrameOptions frameOptions = FrameOptionsFromWXStyle( m_windowStyle );
2922
2923 #ifdef __WXMAC_OSX__
2924     // the scrollbars are not correctly embedded but are inserted at the root:
2925     // this gives us problems as we have erratic redraws even over the structure area
2926
2927     m_sbHorizontal = 0 ;
2928     m_sbVertical = 0 ;
2929     m_lastHorizontalValue = 0 ;
2930     m_lastVerticalValue = 0 ;
2931
2932     Rect sb = { 0 , 0 , 0 , 0 } ;
2933     if ( frameOptions & kTXNWantVScrollBarMask )
2934     {
2935         CreateScrollBarControl( m_txnWindow, &sb, 0, 0, 100, 1, true, gTXNScrollActionProc, &m_sbVertical );
2936         SetControlReference( m_sbVertical, (SInt32)this );
2937         SetControlAction( m_sbVertical, gTXNScrollActionProc );
2938         ShowControl( m_sbVertical );
2939         EmbedControl( m_sbVertical , m_controlRef );
2940         frameOptions &= ~kTXNWantVScrollBarMask;
2941     }
2942
2943     if ( frameOptions & kTXNWantHScrollBarMask )
2944     {
2945         CreateScrollBarControl( m_txnWindow, &sb, 0, 0, 100, 1, true, gTXNScrollActionProc, &m_sbHorizontal );
2946         SetControlReference( m_sbHorizontal, (SInt32)this );
2947         SetControlAction( m_sbHorizontal, gTXNScrollActionProc );
2948         ShowControl( m_sbHorizontal );
2949         EmbedControl( m_sbHorizontal, m_controlRef );
2950         frameOptions &= ~(kTXNWantHScrollBarMask | kTXNDrawGrowIconMask);
2951     }
2952
2953 #endif
2954
2955     err = TXNNewObject(
2956         NULL, m_txnWindow, &bounds, frameOptions,
2957         kTXNTextEditStyleFrameType, kTXNTextensionFile, kTXNSystemDefaultEncoding,
2958         &m_txn, &m_txnFrameID, NULL );
2959     verify_noerr( err );
2960
2961 #if 0
2962     TXNControlTag iControlTags[] = { kTXNUseCarbonEvents };
2963     TXNControlData iControlData[] = { { (UInt32)&cInfo } };
2964     int toptag = WXSIZEOF( iControlTags ) ;
2965     TXNCarbonEventInfo cInfo ;
2966     cInfo.useCarbonEvents = false ;
2967     cInfo.filler = 0 ;
2968     cInfo.flags = 0 ;
2969     cInfo.fDictionary = NULL ;
2970
2971     verify_noerr( TXNSetTXNObjectControls( m_txn, false, toptag, iControlTags, iControlData ) );
2972 #endif
2973
2974 #ifdef __WXMAC_OSX__
2975     TXNRegisterScrollInfoProc( m_txn, gTXNScrollInfoProc, (SInt32)this );
2976 #endif
2977
2978     SetGWorld( origPort , origDev ) ;
2979
2980     return err;
2981 }
2982
2983 // ----------------------------------------------------------------------------
2984 // MLTE control implementation (OSX part)
2985 // ----------------------------------------------------------------------------
2986
2987 #if TARGET_API_MAC_OSX
2988
2989 #if MAC_OS_X_VERSION_MAX_ALLOWED > MAC_OS_X_VERSION_10_2
2990
2991 // tiger multi-line textcontrols with no CR in the entire content
2992 // don't scroll automatically, so we need a hack.
2993 // This attempt only works 'before' the key (ie before CallNextEventHandler)
2994 // is processed, thus the scrolling always occurs one character too late, but
2995 // better than nothing ...
2996
2997 static const EventTypeSpec eventList[] =
2998 {
2999     { kEventClassTextInput, kEventTextInputUnicodeForKeyEvent } ,
3000 } ;
3001
3002 static pascal OSStatus wxMacUnicodeTextEventHandler( EventHandlerCallRef handler , EventRef event , void *data )
3003 {
3004     OSStatus result = eventNotHandledErr ;
3005     wxMacMLTEHIViewControl* focus = (wxMacMLTEHIViewControl*) data ;
3006
3007     switch ( GetEventKind( event ) )
3008     {
3009         case kEventTextInputUnicodeForKeyEvent :
3010         {
3011             if ( UMAGetSystemVersion() >= 0x1040 )
3012             {
3013                 TXNOffset from , to ;
3014                 TXNGetSelection( focus->GetTXNObject() , &from , &to ) ;
3015                 if ( from == to )
3016                     TXNShowSelection( focus->GetTXNObject() , kTXNShowStart );
3017             }
3018             result = CallNextEventHandler(handler,event);
3019             break;
3020         }
3021         default:
3022             break ;
3023     }
3024
3025     return result ;
3026 }
3027
3028 static pascal OSStatus wxMacTextControlEventHandler( EventHandlerCallRef handler , EventRef event , void *data )
3029 {
3030     OSStatus result = eventNotHandledErr ;
3031
3032     switch ( GetEventClass( event ) )
3033     {
3034         case kEventClassTextInput :
3035             result = wxMacUnicodeTextEventHandler( handler , event , data ) ;
3036             break ;
3037
3038         default :
3039             break ;
3040     }
3041     return result ;
3042 }
3043
3044 DEFINE_ONE_SHOT_HANDLER_GETTER( wxMacTextControlEventHandler )
3045
3046 wxMacMLTEHIViewControl::wxMacMLTEHIViewControl( wxTextCtrl *wxPeer,
3047     const wxString& str,
3048     const wxPoint& pos,
3049     const wxSize& size, long style ) : wxMacMLTEControl( wxPeer )
3050 {
3051     m_font = wxPeer->GetFont() ;
3052     m_windowStyle = style ;
3053     Rect bounds = wxMacGetBoundsForControl( wxPeer , pos , size ) ;
3054     wxString st = str ;
3055     wxMacConvertNewlines10To13( &st ) ;
3056
3057     HIRect hr = {
3058         { bounds.left , bounds.top },
3059         { bounds.right - bounds.left, bounds.bottom - bounds.top } } ;
3060
3061     m_scrollView = NULL ;
3062     TXNFrameOptions frameOptions = FrameOptionsFromWXStyle( style ) ;
3063     if ( frameOptions & (kTXNWantVScrollBarMask | kTXNWantHScrollBarMask) )
3064     {
3065         HIScrollViewCreate(
3066             (frameOptions & kTXNWantHScrollBarMask ? kHIScrollViewOptionsHorizScroll : 0)
3067             | (frameOptions & kTXNWantVScrollBarMask ? kHIScrollViewOptionsVertScroll : 0) ,
3068             &m_scrollView ) ;
3069
3070         HIViewSetFrame( m_scrollView, &hr );
3071         HIViewSetVisible( m_scrollView, true );
3072     }
3073
3074     m_textView = NULL ;
3075     HITextViewCreate( NULL , 0, frameOptions , &m_textView ) ;
3076     m_txn = HITextViewGetTXNObject( m_textView ) ;
3077     HIViewSetVisible( m_textView , true ) ;
3078     if ( m_scrollView )
3079     {
3080         HIViewAddSubview( m_scrollView , m_textView ) ;
3081         m_controlRef = m_scrollView ;
3082         wxPeer->MacInstallEventHandler( (WXWidget) m_textView ) ;
3083     }
3084     else
3085     {
3086         HIViewSetFrame( m_textView, &hr );
3087         m_controlRef = m_textView ;
3088     }
3089
3090     AdjustCreationAttributes( *wxWHITE , true ) ;
3091
3092     wxMacWindowClipper c( m_peer ) ;
3093     SetTXNData( st , kTXNStartOffset, kTXNEndOffset ) ;
3094
3095     TXNSetSelection( m_txn, 0, 0 );
3096     TXNShowSelection( m_txn, kTXNShowStart );
3097
3098     InstallControlEventHandler( m_textView , GetwxMacTextControlEventHandlerUPP(),
3099                                 GetEventTypeCount(eventList), eventList, this,
3100                                 &m_textEventHandlerRef);
3101 }
3102
3103 wxMacMLTEHIViewControl::~wxMacMLTEHIViewControl()
3104 {
3105     ::RemoveEventHandler( m_textEventHandlerRef ) ;
3106 }
3107
3108 OSStatus wxMacMLTEHIViewControl::SetFocus( ControlFocusPart focusPart )
3109 {
3110     return SetKeyboardFocus( GetControlOwner( m_textView ), m_textView, focusPart ) ;
3111 }
3112
3113 bool wxMacMLTEHIViewControl::HasFocus() const
3114 {
3115     ControlRef control ;
3116     GetKeyboardFocus( GetUserFocusWindow() , &control ) ;
3117     return control == m_textView ;
3118 }
3119
3120 void wxMacMLTEHIViewControl::SetBackground( const wxBrush &brush )
3121 {
3122     wxMacMLTEControl::SetBackground( brush ) ;
3123
3124 #if 0
3125     CGColorSpaceRef rgbSpace = CGColorSpaceCreateDeviceRGB();
3126     RGBColor col = MAC_WXCOLORREF(brush.GetColour().GetPixel()) ;
3127
3128     float component[4] ;
3129     component[0] = col.red / 65536.0 ;
3130     component[1] = col.green / 65536.0 ;
3131     component[2] = col.blue / 65536.0 ;
3132     component[3] = 1.0 ; // alpha
3133
3134     CGColorRef color = CGColorCreate( rgbSpace , component );
3135     HITextViewSetBackgroundColor( m_textView , color );
3136     CGColorSpaceRelease( rgbSpace );
3137 #endif
3138 }
3139
3140 #endif // MAC_OS_X_VERSION_MAX_ALLOWED > MAC_OS_X_VERSION_10_2
3141
3142
3143 #endif
3144
3145 #endif // wxUSE_TEXTCTRL