src/mac/carbon/textctrl.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        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
  17 #ifdef __DARWIN__
  18   #include <sys/types.h>
  19   #include <sys/stat.h>
  20 #else
  21   #include <stat.h>
  22 #endif
  23
  24 #include "wx/msgdlg.h"
  25
  26 #if wxUSE_STD_IOSTREAM
  27     #if wxUSE_IOSTREAMH
  28         #include <fstream.h>
  29     #else
  30         #include <fstream>
  31     #endif
  32 #endif
  33
  34 #include "wx/app.h"
  35 #include "wx/dc.h"
  36 #include "wx/button.h"
  37 #include "wx/toplevel.h"
  38 #include "wx/textctrl.h"
  39 #include "wx/settings.h"
  40 #include "wx/filefn.h"
  41 #include "wx/utils.h"
  42 #include "wx/sysopt.h"
  43 #include "wx/menu.h"
  44 #include "wx/intl.h"
  45
  46 #if defined(__BORLANDC__) && !defined(__WIN32__)
  47   #include <alloc.h>
  48 #elif !defined(__MWERKS__) && !defined(__GNUWIN32) && !defined(__DARWIN__)
  49   #include <malloc.h>
  50 #endif
  51
  52 #ifndef __DARWIN__
  53 #include <Scrap.h>
  54 #endif
  55
  56 #ifndef __DARWIN__
  57 #include <MacTextEditor.h>
  58 #include <ATSUnicode.h>
  59 #include <TextCommon.h>
  60 #include <TextEncodingConverter.h>
  61 #endif
  62
  63 #include "wx/mac/uma.h"
  64
  65
  66 // if this is set to 1 then under OSX 10.2 the 'classic' MLTE implementation will be used
  67 // if set to 0 then the unicode textctrl will be used
  68 #ifndef wxMAC_AWAYS_USE_MLTE
  69 #define wxMAC_AWAYS_USE_MLTE 1
  70 #endif
  71
  72 #ifndef __WXMAC_OSX__
  73 enum
  74 {
  75     kTXNVisibilityTag = 'visb' // set the visibility state of the object
  76 };
  77 #endif
  78
  79
  80 class wxMacFunctor
  81 {
  82 public :
  83     wxMacFunctor() {}
  84     virtual ~wxMacFunctor() {}
  85
  86     virtual void* operator()() = 0 ;
  87
  88     static void* CallBackProc( void *param )
  89     {
  90         wxMacFunctor* f = (wxMacFunctor*) param ;
  91         void *result = (*f)() ;
  92         return result ;
  93     }
  94 } ;
  95
  96 template<typename classtype, typename param1type>
  97
  98 class wxMacObjectFunctor1 : public wxMacFunctor
  99 {
 100     typedef void (classtype::*function)( param1type p1 ) ;
 101     typedef void (classtype::*ref_function)( const param1type& p1 ) ;
 102 public :
 103     wxMacObjectFunctor1( classtype *obj , function f , param1type p1 ) :
 104         wxMacFunctor()
 105     {
 106         m_object = obj ;
 107         m_function = f ;
 108         m_param1 = p1 ;
 109     }
 110
 111     wxMacObjectFunctor1( classtype *obj , ref_function f , param1type p1 ) :
 112         wxMacFunctor()
 113     {
 114         m_object = obj ;
 115         m_refFunction = f ;
 116         m_param1 = p1 ;
 117     }
 118
 119     ~wxMacObjectFunctor1() {}
 120
 121     virtual void* operator()()
 122     {
 123         (m_object->*m_function)( m_param1 ) ;
 124         return NULL ;
 125     }
 126
 127 private :
 128     classtype* m_object ;
 129     param1type m_param1 ;
 130     union
 131     {
 132         function m_function ;
 133         ref_function m_refFunction ;
 134     } ;
 135 } ;
 136
 137 template<typename classtype, typename param1type>
 138 void* wxMacMPRemoteCall( classtype *object , void (classtype::*function)( param1type p1 ) , param1type p1 )
 139 {
 140     wxMacObjectFunctor1<classtype, param1type> params(object, function, p1) ;
 141     void *result =
 142         MPRemoteCall( wxMacFunctor::CallBackProc , &params , kMPOwningProcessRemoteContext ) ;
 143     return result ;
 144 }
 145
 146 template<typename classtype, typename param1type>
 147 void* wxMacMPRemoteCall( classtype *object , void (classtype::*function)( const param1type& p1 ) , param1type p1 )
 148 {
 149     wxMacObjectFunctor1<classtype,param1type> params(object, function, p1) ;
 150     void *result =
 151         MPRemoteCall( wxMacFunctor::CallBackProc , &params , kMPOwningProcessRemoteContext ) ;
 152     return result ;
 153 }
 154
 155 template<typename classtype, typename param1type>
 156 void* wxMacMPRemoteGUICall( classtype *object , void (classtype::*function)( param1type p1 ) , param1type p1 )
 157 {
 158     wxMutexGuiLeave() ;
 159     void *result = wxMacMPRemoteCall( object , function , p1 ) ;
 160     wxMutexGuiEnter() ;
 161     return result ;
 162 }
 163
 164 template<typename classtype, typename param1type>
 165 void* wxMacMPRemoteGUICall( classtype *object , void (classtype::*function)( const param1type& p1 ) , param1type p1 )
 166 {
 167     wxMutexGuiLeave() ;
 168     void *result = wxMacMPRemoteCall( object , function , p1 ) ;
 169     wxMutexGuiEnter() ;
 170     return result ;
 171 }
 172
 173 // common interface for all implementations
 174 class wxMacTextControl : public wxMacControl
 175 {
 176 public :
 177     wxMacTextControl( wxTextCtrl *peer ) ;
 178     ~wxMacTextControl() ;
 179
 180     virtual wxString GetStringValue() const = 0 ;
 181     virtual void SetStringValue( const wxString &val ) = 0 ;
 182     virtual void SetSelection( long from, long to ) = 0 ;
 183     virtual void GetSelection( long* from, long* to ) const = 0 ;
 184     virtual void WriteText( const wxString& str ) = 0 ;
 185
 186     virtual void SetStyle( long start, long end, const wxTextAttr& style ) ;
 187     virtual void Copy() ;
 188     virtual void Cut() ;
 189     virtual void Paste() ;
 190     virtual bool CanPaste() const ;
 191     virtual void SetEditable( bool editable ) ;
 192     virtual wxTextPos GetLastPosition() const ;
 193     virtual void Replace( long from, long to, const wxString &str ) ;
 194     virtual void Remove( long from, long to ) ;
 195
 196
 197     virtual bool HasOwnContextMenu() const
 198     { return false ; }
 199
 200     virtual bool SetupCursor( const wxPoint& pt )
 201     { return false ; }
 202
 203     virtual void Clear() ;
 204     virtual bool CanUndo() const;
 205     virtual void Undo() ;
 206     virtual bool CanRedo() const;
 207     virtual void Redo() ;
 208     virtual int GetNumberOfLines() const ;
 209     virtual long XYToPosition(long x, long y) const;
 210     virtual bool PositionToXY(long pos, long *x, long *y) const ;
 211     virtual void ShowPosition(long WXUNUSED(pos)) ;
 212     virtual int GetLineLength(long lineNo) const ;
 213     virtual wxString GetLineText(long lineNo) const ;
 214
 215 #ifndef __WXMAC_OSX__
 216     virtual void            MacControlUserPaneDrawProc(wxInt16 part) = 0 ;
 217     virtual wxInt16         MacControlUserPaneHitTestProc(wxInt16 x, wxInt16 y) = 0 ;
 218     virtual wxInt16         MacControlUserPaneTrackingProc(wxInt16 x, wxInt16 y, void* actionProc) = 0 ;
 219     virtual void            MacControlUserPaneIdleProc() = 0 ;
 220     virtual wxInt16         MacControlUserPaneKeyDownProc(wxInt16 keyCode, wxInt16 charCode, wxInt16 modifiers) = 0 ;
 221     virtual void            MacControlUserPaneActivateProc(bool activating) = 0 ;
 222     virtual wxInt16         MacControlUserPaneFocusProc(wxInt16 action) = 0 ;
 223     virtual void            MacControlUserPaneBackgroundProc(void* info) = 0 ;
 224 #endif
 225 } ;
 226
 227 // common parts for implementations based on MLTE
 228
 229 class wxMacMLTEControl : public wxMacTextControl
 230 {
 231 public :
 232     wxMacMLTEControl( wxTextCtrl *peer ) ;
 233
 234     virtual wxString GetStringValue() const ;
 235     virtual void SetStringValue( const wxString &str ) ;
 236
 237     static TXNFrameOptions FrameOptionsFromWXStyle( long wxStyle ) ;
 238
 239     void AdjustCreationAttributes( const wxColour& background, bool visible ) ;
 240
 241     virtual void SetFont( const wxFont & font, const wxColour& foreground, long windowStyle ) ;
 242     virtual void SetBackground( const wxBrush &brush ) ;
 243     virtual void SetStyle( long start, long end, const wxTextAttr& style ) ;
 244     virtual void Copy() ;
 245     virtual void Cut() ;
 246     virtual void Paste() ;
 247     virtual bool CanPaste() const ;
 248     virtual void SetEditable( bool editable ) ;
 249     virtual wxTextPos GetLastPosition() const ;
 250     virtual void Replace( long from, long to, const wxString &str ) ;
 251     virtual void Remove( long from, long to ) ;
 252     virtual void GetSelection( long* from, long* to ) const ;
 253     virtual void SetSelection( long from, long to ) ;
 254
 255     virtual void WriteText( const wxString& str ) ;
 256
 257     virtual bool HasOwnContextMenu() const
 258     {
 259 #if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_4
 260         if ( UMAGetSystemVersion() >= 0x1040 )
 261         {
 262             TXNCommandEventSupportOptions options ;
 263             TXNGetCommandEventSupport( m_txn , & options ) ;
 264             return options & kTXNSupportEditCommandProcessing ;
 265         }
 266 #endif
 267
 268         return false ;
 269     }
 270
 271     virtual void Clear() ;
 272
 273     virtual bool CanUndo() const ;
 274     virtual void Undo() ;
 275     virtual bool CanRedo()  const;
 276     virtual void Redo() ;
 277     virtual int GetNumberOfLines() const ;
 278     virtual long XYToPosition(long x, long y) const ;
 279     virtual bool PositionToXY(long pos, long *x, long *y) const ;
 280     virtual void ShowPosition( long pos ) ;
 281     virtual int GetLineLength(long lineNo) const ;
 282     virtual wxString GetLineText(long lineNo) const ;
 283
 284     void SetTXNData( const wxString& st , TXNOffset start , TXNOffset end ) ;
 285
 286 protected :
 287     void TXNSetAttribute( const wxTextAttr& style , long from , long to ) ;
 288
 289     TXNObject m_txn ;
 290 } ;
 291
 292 #if TARGET_API_MAC_OSX
 293
 294 // implementation available under OSX
 295
 296 #if MAC_OS_X_VERSION_MAX_ALLOWED > MAC_OS_X_VERSION_10_2
 297
 298 class wxMacMLTEHIViewControl : public wxMacMLTEControl
 299 {
 300 public :
 301     wxMacMLTEHIViewControl( wxTextCtrl *wxPeer,
 302                              const wxString& str,
 303                              const wxPoint& pos,
 304                              const wxSize& size, long style ) ;
 305     virtual OSStatus SetFocus( ControlFocusPart focusPart ) ;
 306     virtual bool HasFocus() const ;
 307     virtual void SetBackground( const wxBrush &brush) ;
 308
 309 protected :
 310     HIViewRef m_scrollView ;
 311     HIViewRef m_textView ;
 312 };
 313
 314 #endif
 315
 316 class wxMacUnicodeTextControl : public wxMacTextControl
 317 {
 318 public :
 319     wxMacUnicodeTextControl( wxTextCtrl *wxPeer,
 320                              const wxString& str,
 321                              const wxPoint& pos,
 322                              const wxSize& size, long style ) ;
 323     ~wxMacUnicodeTextControl();
 324
 325     virtual void VisibilityChanged(bool shown);
 326     virtual wxString GetStringValue() const ;
 327     virtual void SetStringValue( const wxString &str) ;
 328     virtual void Copy();
 329     virtual void Cut();
 330     virtual void Paste();
 331     virtual bool CanPaste() const;
 332     virtual void SetEditable(bool editable) ;
 333     virtual void GetSelection( long* from, long* to) const ;
 334     virtual void SetSelection( long from , long to ) ;
 335     virtual void WriteText(const wxString& str) ;
 336
 337 protected :
 338     // contains the tag for the content (is different for password and non-password controls)
 339     OSType m_valueTag ;
 340 };
 341
 342 #endif
 343
 344 // 'classic' MLTE implementation
 345
 346 class wxMacMLTEClassicControl : public wxMacMLTEControl
 347 {
 348 public :
 349     wxMacMLTEClassicControl( wxTextCtrl *wxPeer,
 350                              const wxString& str,
 351                              const wxPoint& pos,
 352                              const wxSize& size, long style ) ;
 353     ~wxMacMLTEClassicControl() ;
 354     virtual void VisibilityChanged(bool shown) ;
 355     virtual void SuperChangedPosition() ;
 356
 357     virtual void            MacControlUserPaneDrawProc(wxInt16 part) ;
 358     virtual wxInt16         MacControlUserPaneHitTestProc(wxInt16 x, wxInt16 y) ;
 359     virtual wxInt16         MacControlUserPaneTrackingProc(wxInt16 x, wxInt16 y, void* actionProc) ;
 360     virtual void            MacControlUserPaneIdleProc() ;
 361     virtual wxInt16         MacControlUserPaneKeyDownProc(wxInt16 keyCode, wxInt16 charCode, wxInt16 modifiers) ;
 362     virtual void            MacControlUserPaneActivateProc(bool activating) ;
 363     virtual wxInt16         MacControlUserPaneFocusProc(wxInt16 action) ;
 364     virtual void            MacControlUserPaneBackgroundProc(void* info) ;
 365
 366     virtual bool            SetupCursor( const wxPoint& WXUNUSED(pt) ) { MacControlUserPaneIdleProc() ; return true ;}
 367
 368     virtual void            SetRect( Rect *r ) ;
 369
 370 protected :
 371     OSStatus                 DoCreate();
 372
 373     void                    MacUpdatePosition() ;
 374     void                    MacActivatePaneText(bool setActive) ;
 375     void                    MacFocusPaneText(bool setFocus) ;
 376     void                    MacSetObjectVisibility(bool vis) ;
 377
 378 private :
 379     TXNFrameID              m_txnFrameID ;
 380     GrafPtr                 m_txnPort ;
 381     WindowRef               m_txnWindow ;
 382     // bounds of the control as we last did set the txn frames
 383     Rect                    m_txnControlBounds ;
 384     Rect                    m_txnVisBounds ;
 385
 386 #ifdef __WXMAC_OSX__
 387     static pascal void TXNScrollActionProc( ControlRef controlRef , ControlPartCode partCode ) ;
 388     static pascal void TXNScrollInfoProc(
 389         SInt32 iValue, SInt32 iMaximumValue,
 390         TXNScrollBarOrientation iScrollBarOrientation, SInt32 iRefCon ) ;
 391
 392     ControlRef              m_sbHorizontal ;
 393     SInt32                  m_lastHorizontalValue ;
 394     ControlRef              m_sbVertical ;
 395     SInt32                  m_lastVerticalValue ;
 396 #endif
 397 };
 398
 399 #define TE_UNLIMITED_LENGTH 0xFFFFFFFFUL
 400
 401
 402 IMPLEMENT_DYNAMIC_CLASS(wxTextCtrl, wxControl)
 403
 404 BEGIN_EVENT_TABLE(wxTextCtrl, wxControl)
 405     EVT_ERASE_BACKGROUND( wxTextCtrl::OnEraseBackground )
 406     EVT_DROP_FILES(wxTextCtrl::OnDropFiles)
 407     EVT_CHAR(wxTextCtrl::OnChar)
 408     EVT_MENU(wxID_CUT, wxTextCtrl::OnCut)
 409     EVT_MENU(wxID_COPY, wxTextCtrl::OnCopy)
 410     EVT_MENU(wxID_PASTE, wxTextCtrl::OnPaste)
 411     EVT_MENU(wxID_UNDO, wxTextCtrl::OnUndo)
 412     EVT_MENU(wxID_REDO, wxTextCtrl::OnRedo)
 413     EVT_MENU(wxID_CLEAR, wxTextCtrl::OnDelete)
 414     EVT_MENU(wxID_SELECTALL, wxTextCtrl::OnSelectAll)
 415
 416     EVT_CONTEXT_MENU(wxTextCtrl::OnContextMenu)
 417
 418     EVT_UPDATE_UI(wxID_CUT, wxTextCtrl::OnUpdateCut)
 419     EVT_UPDATE_UI(wxID_COPY, wxTextCtrl::OnUpdateCopy)
 420     EVT_UPDATE_UI(wxID_PASTE, wxTextCtrl::OnUpdatePaste)
 421     EVT_UPDATE_UI(wxID_UNDO, wxTextCtrl::OnUpdateUndo)
 422     EVT_UPDATE_UI(wxID_REDO, wxTextCtrl::OnUpdateRedo)
 423     EVT_UPDATE_UI(wxID_CLEAR, wxTextCtrl::OnUpdateDelete)
 424     EVT_UPDATE_UI(wxID_SELECTALL, wxTextCtrl::OnUpdateSelectAll)
 425 END_EVENT_TABLE()
 426
 427
 428 void wxTextCtrl::Init()
 429 {
 430     m_editable = true ;
 431     m_dirty = false;
 432
 433     m_maxLength = TE_UNLIMITED_LENGTH ;
 434     m_privateContextMenu = NULL;
 435 }
 436
 437 wxTextCtrl::~wxTextCtrl()
 438 {
 439     delete m_privateContextMenu;
 440 }
 441
 442 bool wxTextCtrl::Create(wxWindow *parent,
 443     wxWindowID id,
 444     const wxString& str,
 445     const wxPoint& pos,
 446     const wxSize& size,
 447     long style,
 448     const wxValidator& validator,
 449     const wxString& name)
 450 {
 451     m_macIsUserPane = false ;
 452     m_editable = true ;
 453
 454     if ( ! (style & wxNO_BORDER) )
 455         style = (style & ~wxBORDER_MASK) | wxSUNKEN_BORDER ;
 456
 457     if ( !wxTextCtrlBase::Create(parent, id, pos, size, style & ~(wxHSCROLL|wxVSCROLL), validator, name) )
 458         return false;
 459
 460     if ( m_windowStyle & wxTE_MULTILINE )
 461     {
 462         wxASSERT_MSG(
 463             !(m_windowStyle & wxTE_PROCESS_ENTER),
 464             wxT("wxTE_PROCESS_ENTER style is ignored for multiline text controls (they always process it)") );
 465
 466         m_windowStyle |= wxTE_PROCESS_ENTER;
 467         style |= wxTE_PROCESS_ENTER ;
 468     }
 469
 470     bool forceMLTE = false ;
 471
 472 #if wxUSE_SYSTEM_OPTIONS
 473     if ( wxSystemOptions::HasOption( wxMAC_TEXTCONTROL_USE_MLTE ) && ( wxSystemOptions::GetOptionInt( wxMAC_TEXTCONTROL_USE_MLTE ) == 1) )
 474     {
 475         forceMLTE = true ;
 476     }
 477 #endif
 478
 479 #ifdef __WXMAC_OSX__
 480 #if MAC_OS_X_VERSION_MAX_ALLOWED > MAC_OS_X_VERSION_10_2
 481     if ( UMAGetSystemVersion() >= 0x1030 && !forceMLTE )
 482     {
 483         if ( m_windowStyle & wxTE_MULTILINE )
 484             m_peer = new wxMacMLTEHIViewControl( this , str , pos , size , style ) ;
 485     }
 486 #endif
 487
 488     if ( !m_peer )
 489     {
 490         if ( !(m_windowStyle & wxTE_MULTILINE) && !forceMLTE )
 491             m_peer = new wxMacUnicodeTextControl( this , str , pos , size , style ) ;
 492     }
 493 #endif
 494
 495     if ( !m_peer )
 496         m_peer = new wxMacMLTEClassicControl( this , str , pos , size , style ) ;
 497
 498     MacPostControlCreate(pos, size) ;
 499
 500     // only now the embedding is correct and we can do a positioning update
 501
 502     MacSuperChangedPosition() ;
 503
 504     if ( m_windowStyle & wxTE_READONLY)
 505         SetEditable( false ) ;
 506
 507     SetCursor( wxCursor( wxCURSOR_IBEAM ) ) ;
 508
 509     return true;
 510 }
 511
 512 void wxTextCtrl::MacSuperChangedPosition()
 513 {
 514     wxWindow::MacSuperChangedPosition() ;
 515     GetPeer()->SuperChangedPosition() ;
 516 }
 517
 518 void wxTextCtrl::MacVisibilityChanged()
 519 {
 520     GetPeer()->VisibilityChanged( MacIsReallyShown() ) ;
 521 }
 522
 523 void wxTextCtrl::MacEnabledStateChanged()
 524 {
 525 }
 526
 527 wxString wxTextCtrl::GetValue() const
 528 {
 529     return GetPeer()->GetStringValue() ;
 530 }
 531
 532 void wxTextCtrl::GetSelection(long* from, long* to) const
 533 {
 534     GetPeer()->GetSelection( from , to ) ;
 535 }
 536
 537 void wxTextCtrl::SetValue(const wxString& str)
 538 {
 539     // optimize redraws
 540     if ( GetValue() == str )
 541         return ;
 542
 543     GetPeer()->SetStringValue( str ) ;
 544
 545     wxCommandEvent event( wxEVT_COMMAND_TEXT_UPDATED, m_windowId );
 546     event.SetString( GetValue() );
 547     event.SetEventObject( this );
 548     GetEventHandler()->ProcessEvent( event );
 549 }
 550
 551 void wxTextCtrl::SetMaxLength(unsigned long len)
 552 {
 553     m_maxLength = len ;
 554 }
 555
 556 bool wxTextCtrl::SetFont( const wxFont& font )
 557 {
 558     if ( !wxTextCtrlBase::SetFont( font ) )
 559         return false ;
 560
 561     GetPeer()->SetFont( font , GetForegroundColour() , GetWindowStyle() ) ;
 562
 563     return true ;
 564 }
 565
 566 bool wxTextCtrl::SetStyle(long start, long end, const wxTextAttr& style)
 567 {
 568     GetPeer()->SetStyle( start , end , style ) ;
 569
 570     return true ;
 571 }
 572
 573 bool wxTextCtrl::SetDefaultStyle(const wxTextAttr& style)
 574 {
 575     wxTextCtrlBase::SetDefaultStyle( style ) ;
 576     SetStyle( kTXNUseCurrentSelection , kTXNUseCurrentSelection , GetDefaultStyle() ) ;
 577
 578     return true ;
 579 }
 580
 581 // Clipboard operations
 582
 583 void wxTextCtrl::Copy()
 584 {
 585     if (CanCopy())
 586         GetPeer()->Copy() ;
 587 }
 588
 589 void wxTextCtrl::Cut()
 590 {
 591     if (CanCut())
 592     {
 593         GetPeer()->Cut() ;
 594
 595         wxCommandEvent event( wxEVT_COMMAND_TEXT_UPDATED, m_windowId );
 596         event.SetEventObject( this );
 597         GetEventHandler()->ProcessEvent( event );
 598       }
 599 }
 600
 601 void wxTextCtrl::Paste()
 602 {
 603     if (CanPaste())
 604     {
 605         GetPeer()->Paste() ;
 606
 607         // TODO: eventually we should add setting the default style again
 608
 609         wxCommandEvent event( wxEVT_COMMAND_TEXT_UPDATED, m_windowId );
 610         event.SetEventObject( this );
 611         GetEventHandler()->ProcessEvent( event );
 612     }
 613 }
 614
 615 bool wxTextCtrl::CanCopy() const
 616 {
 617     // Can copy if there's a selection
 618     long from, to;
 619     GetSelection( &from, &to );
 620     return (from != to);
 621 }
 622
 623 bool wxTextCtrl::CanCut() const
 624 {
 625     if ( !IsEditable() )
 626         return false;
 627
 628     // Can cut if there's a selection
 629     long from, to;
 630     GetSelection( &from, &to );
 631     return (from != to);
 632 }
 633
 634 bool wxTextCtrl::CanPaste() const
 635 {
 636     if (!IsEditable())
 637         return false;
 638
 639     return GetPeer()->CanPaste() ;
 640 }
 641
 642 void wxTextCtrl::SetEditable(bool editable)
 643 {
 644     if ( editable != m_editable )
 645     {
 646         m_editable = editable ;
 647         GetPeer()->SetEditable( editable ) ;
 648     }
 649 }
 650
 651 void wxTextCtrl::SetInsertionPoint(long pos)
 652 {
 653     SetSelection( pos , pos ) ;
 654 }
 655
 656 void wxTextCtrl::SetInsertionPointEnd()
 657 {
 658     wxTextPos pos = GetLastPosition();
 659     SetInsertionPoint(pos);
 660 }
 661
 662 long wxTextCtrl::GetInsertionPoint() const
 663 {
 664     long begin,end ;
 665     GetSelection( &begin , &end ) ;
 666     return begin ;
 667 }
 668
 669 wxTextPos wxTextCtrl::GetLastPosition() const
 670 {
 671     return GetPeer()->GetLastPosition() ;
 672 }
 673
 674 void wxTextCtrl::Replace(long from, long to, const wxString& str)
 675 {
 676     GetPeer()->Replace( from , to , str) ;
 677 }
 678
 679 void wxTextCtrl::Remove(long from, long to)
 680 {
 681     GetPeer()->Remove( from , to ) ;
 682 }
 683
 684 void wxTextCtrl::SetSelection(long from, long to)
 685 {
 686     GetPeer()->SetSelection( from , to ) ;
 687 }
 688
 689 bool wxTextCtrl::LoadFile(const wxString& file)
 690 {
 691     if ( wxTextCtrlBase::LoadFile(file) )
 692         return true;
 693
 694     return false;
 695 }
 696
 697 void wxTextCtrl::WriteText(const wxString& str)
 698 {
 699     // TODO: this MPRemoting will be moved into a remoting peer proxy for any command
 700     if ( !wxIsMainThread() )
 701     {
 702         // unfortunately CW 8 is not able to correctly deduce the template types,
 703         // so we have to instantiate explicitly
 704         wxMacMPRemoteGUICall<wxTextCtrl,wxString>( this , &wxTextCtrl::WriteText , str ) ;
 705         return ;
 706     }
 707     else
 708     {
 709         GetPeer()->WriteText( str ) ;
 710     }
 711 }
 712
 713 void wxTextCtrl::AppendText(const wxString& text)
 714 {
 715     SetInsertionPointEnd();
 716     WriteText(text);
 717 }
 718
 719 void wxTextCtrl::Clear()
 720 {
 721     GetPeer()->Clear() ;
 722 }
 723
 724 bool wxTextCtrl::IsModified() const
 725 {
 726     return m_dirty;
 727 }
 728
 729 bool wxTextCtrl::IsEditable() const
 730 {
 731     return IsEnabled() && m_editable ;
 732 }
 733
 734 bool wxTextCtrl::AcceptsFocus() const
 735 {
 736     // we don't want focus if we can't be edited
 737     return /*IsEditable() && */ wxControl::AcceptsFocus();
 738 }
 739
 740 wxSize wxTextCtrl::DoGetBestSize() const
 741 {
 742     int wText, hText;
 743
 744     // these are the numbers from the HIG:
 745     // we reduce them by the borders first
 746     wText = 100 ;
 747
 748     switch ( m_windowVariant )
 749     {
 750         case wxWINDOW_VARIANT_NORMAL :
 751             hText = 22 - 6 ;
 752             break ;
 753
 754         case wxWINDOW_VARIANT_SMALL :
 755             hText = 19 - 6 ;
 756             break ;
 757
 758         case wxWINDOW_VARIANT_MINI :
 759             hText = 15 - 6 ;
 760             break ;
 761
 762         default :
 763             hText = 22 - 6;
 764             break ;
 765     }
 766
 767     // as the above numbers have some free space around the text
 768     // we get 5 lines like this anyway
 769     if ( m_windowStyle & wxTE_MULTILINE )
 770          hText *= 5 ;
 771
 772     if ( !HasFlag(wxNO_BORDER) )
 773         hText += 6 ;
 774
 775     return wxSize(wText, hText);
 776 }
 777
 778 // ----------------------------------------------------------------------------
 779 // Undo/redo
 780 // ----------------------------------------------------------------------------
 781
 782 void wxTextCtrl::Undo()
 783 {
 784     if (CanUndo())
 785         GetPeer()->Undo() ;
 786 }
 787
 788 void wxTextCtrl::Redo()
 789 {
 790     if (CanRedo())
 791         GetPeer()->Redo() ;
 792 }
 793
 794 bool wxTextCtrl::CanUndo() const
 795 {
 796     if ( !IsEditable() )
 797         return false ;
 798
 799     return GetPeer()->CanUndo() ;
 800 }
 801
 802 bool wxTextCtrl::CanRedo() const
 803 {
 804     if ( !IsEditable() )
 805         return false ;
 806
 807     return GetPeer()->CanRedo() ;
 808 }
 809
 810 void wxTextCtrl::MarkDirty()
 811 {
 812     m_dirty = true;
 813 }
 814
 815 void wxTextCtrl::DiscardEdits()
 816 {
 817     m_dirty = false;
 818 }
 819
 820 int wxTextCtrl::GetNumberOfLines() const
 821 {
 822     return GetPeer()->GetNumberOfLines() ;
 823 }
 824
 825 long wxTextCtrl::XYToPosition(long x, long y) const
 826 {
 827     return GetPeer()->XYToPosition( x , y ) ;
 828 }
 829
 830 bool wxTextCtrl::PositionToXY(long pos, long *x, long *y) const
 831 {
 832     return GetPeer()->PositionToXY(pos , x , y ) ;
 833 }
 834
 835 void wxTextCtrl::ShowPosition(long pos)
 836 {
 837     return GetPeer()->ShowPosition(pos) ;
 838 }
 839
 840 int wxTextCtrl::GetLineLength(long lineNo) const
 841 {
 842     return GetPeer()->GetLineLength(lineNo) ;
 843 }
 844
 845 wxString wxTextCtrl::GetLineText(long lineNo) const
 846 {
 847     return GetPeer()->GetLineText(lineNo) ;
 848 }
 849
 850 void wxTextCtrl::Command(wxCommandEvent & event)
 851 {
 852     SetValue(event.GetString());
 853     ProcessCommand(event);
 854 }
 855
 856 void wxTextCtrl::OnDropFiles(wxDropFilesEvent& event)
 857 {
 858     // By default, load the first file into the text window.
 859     if (event.GetNumberOfFiles() > 0)
 860         LoadFile(event.GetFiles()[0]);
 861 }
 862
 863 void wxTextCtrl::OnEraseBackground(wxEraseEvent& event)
 864 {
 865     // all erasing should be done by the real mac control implementation
 866     // while this is true for MLTE under classic, the HITextView is somehow
 867     // transparent but background erase is not working correctly, so intercept
 868     // things while we can...
 869     event.Skip() ;
 870 }
 871
 872 void wxTextCtrl::OnChar(wxKeyEvent& event)
 873 {
 874     int key = event.GetKeyCode() ;
 875     bool eat_key = false ;
 876
 877     if ( key == 'c' && event.MetaDown() )
 878     {
 879         if ( CanCopy() )
 880             Copy() ;
 881
 882         return ;
 883     }
 884
 885     if ( !IsEditable() && key != WXK_LEFT && key != WXK_RIGHT && key != WXK_DOWN && key != WXK_UP && key != WXK_TAB &&
 886         !( key == WXK_RETURN && ( (m_windowStyle & wxPROCESS_ENTER) || (m_windowStyle & wxTE_MULTILINE) ) )
 887 //        && key != WXK_PRIOR && key != WXK_NEXT && key != WXK_HOME && key != WXK_END
 888         )
 889     {
 890         // eat it
 891         return ;
 892     }
 893
 894     // Check if we have reached the max # of chars, but still allow navigation and deletion
 895     if ( !IsMultiLine() && GetValue().Length() >= m_maxLength &&
 896         key != WXK_LEFT && key != WXK_RIGHT && key != WXK_TAB &&
 897         key != WXK_BACK && !( key == WXK_RETURN && (m_windowStyle & wxPROCESS_ENTER) )
 898        )
 899     {
 900         // eat it, we don't want to add more than allowed # of characters
 901         return;
 902     }
 903
 904     // assume that any key not processed yet is going to modify the control
 905     m_dirty = true;
 906
 907     if ( key == 'v' && event.MetaDown() )
 908     {
 909         if ( CanPaste() )
 910             Paste() ;
 911
 912         return ;
 913     }
 914
 915     if ( key == 'x' && event.MetaDown() )
 916     {
 917         if ( CanCut() )
 918             Cut() ;
 919
 920         return ;
 921     }
 922
 923     switch ( key )
 924     {
 925         case WXK_RETURN:
 926             if (m_windowStyle & wxPROCESS_ENTER)
 927             {
 928                 wxCommandEvent event(wxEVT_COMMAND_TEXT_ENTER, m_windowId);
 929                 event.SetEventObject( this );
 930                 event.SetString( GetValue() );
 931                 if ( GetEventHandler()->ProcessEvent(event) )
 932                     return;
 933             }
 934
 935             if ( !(m_windowStyle & wxTE_MULTILINE) )
 936             {
 937                 wxWindow *parent = GetParent();
 938                 while ( parent && !parent->IsTopLevel() && parent->GetDefaultItem() == NULL )
 939                 {
 940                     parent = parent->GetParent() ;
 941                 }
 942
 943                 if ( parent && parent->GetDefaultItem() )
 944                 {
 945                     wxButton *def = wxDynamicCast(parent->GetDefaultItem(), wxButton);
 946                     if ( def && def->IsEnabled() )
 947                     {
 948                         wxCommandEvent event(wxEVT_COMMAND_BUTTON_CLICKED, def->GetId() );
 949                         event.SetEventObject(def);
 950                         def->Command(event);
 951
 952                         return ;
 953                     }
 954                 }
 955
 956                 // this will make wxWidgets eat the ENTER key so that
 957                 // we actually prevent line wrapping in a single line text control
 958                 eat_key = true;
 959             }
 960             break;
 961
 962         case WXK_TAB:
 963             if ( !(m_windowStyle & wxTE_PROCESS_TAB))
 964             {
 965                 int flags = 0;
 966                 if (!event.ShiftDown())
 967                     flags |= wxNavigationKeyEvent::IsForward ;
 968                 if (event.ControlDown())
 969                     flags |= wxNavigationKeyEvent::WinChange ;
 970                 Navigate(flags);
 971
 972                 return;
 973             }
 974             else
 975             {
 976                 // This is necessary (don't know why);
 977                 // otherwise the tab will not be inserted.
 978                 WriteText(wxT("\t"));
 979             }
 980             break;
 981
 982         default:
 983             break;
 984     }
 985
 986     if (!eat_key)
 987     {
 988         // perform keystroke handling
 989         if ( wxTheApp->MacGetCurrentEvent() != NULL && wxTheApp->MacGetCurrentEventHandlerCallRef() != NULL )
 990         {
 991             CallNextEventHandler( (EventHandlerCallRef)wxTheApp->MacGetCurrentEventHandlerCallRef(), (EventRef)wxTheApp->MacGetCurrentEvent() ) ;
 992         }
 993         else
 994         {
 995             EventRecord rec ;
 996             if ( wxMacConvertEventToRecord( (EventRef) wxTheApp->MacGetCurrentEvent() , &rec ) )
 997             {
 998                 short keycode, keychar ;
 999                 EventRecord *ev = &rec ;
1000                 keychar = short(ev->message & charCodeMask);
1001                 keycode = short(ev->message & keyCodeMask) >> 8 ;
1002
1003                 m_peer->HandleKey( keycode , keychar , ev->modifiers ) ;
1004             }
1005         }
1006     }
1007
1008     if ( ( key >= 0x20 && key < WXK_START ) ||
1009          key == WXK_RETURN ||
1010          key == WXK_DELETE ||
1011          key == WXK_BACK)
1012     {
1013         wxCommandEvent event1(wxEVT_COMMAND_TEXT_UPDATED, m_windowId);
1014         event1.SetEventObject( this );
1015         wxPostEvent( GetEventHandler(), event1 );
1016     }
1017 }
1018
1019 // ----------------------------------------------------------------------------
1020 // standard handlers for standard edit menu events
1021 // ----------------------------------------------------------------------------
1022
1023 void wxTextCtrl::OnCut(wxCommandEvent& WXUNUSED(event))
1024 {
1025     Cut();
1026 }
1027
1028 void wxTextCtrl::OnCopy(wxCommandEvent& WXUNUSED(event))
1029 {
1030     Copy();
1031 }
1032
1033 void wxTextCtrl::OnPaste(wxCommandEvent& WXUNUSED(event))
1034 {
1035     Paste();
1036 }
1037
1038 void wxTextCtrl::OnUndo(wxCommandEvent& WXUNUSED(event))
1039 {
1040     Undo();
1041 }
1042
1043 void wxTextCtrl::OnRedo(wxCommandEvent& WXUNUSED(event))
1044 {
1045     Redo();
1046 }
1047
1048 void wxTextCtrl::OnDelete(wxCommandEvent& WXUNUSED(event))
1049 {
1050     long from, to;
1051     GetSelection( &from, &to );
1052     if (from != -1 && to != -1)
1053         Remove( from, to );
1054 }
1055
1056 void wxTextCtrl::OnSelectAll(wxCommandEvent& WXUNUSED(event))
1057 {
1058     SetSelection(-1, -1);
1059 }
1060
1061 void wxTextCtrl::OnUpdateCut(wxUpdateUIEvent& event)
1062 {
1063     event.Enable( CanCut() );
1064 }
1065
1066 void wxTextCtrl::OnUpdateCopy(wxUpdateUIEvent& event)
1067 {
1068     event.Enable( CanCopy() );
1069 }
1070
1071 void wxTextCtrl::OnUpdatePaste(wxUpdateUIEvent& event)
1072 {
1073     event.Enable( CanPaste() );
1074 }
1075
1076 void wxTextCtrl::OnUpdateUndo(wxUpdateUIEvent& event)
1077 {
1078     event.Enable( CanUndo() );
1079 }
1080
1081 void wxTextCtrl::OnUpdateRedo(wxUpdateUIEvent& event)
1082 {
1083     event.Enable( CanRedo() );
1084 }
1085
1086 void wxTextCtrl::OnUpdateDelete(wxUpdateUIEvent& event)
1087 {
1088     long from, to;
1089     GetSelection( &from, &to );
1090     event.Enable( from != -1 && to != -1 && from != to && IsEditable() ) ;
1091 }
1092
1093 void wxTextCtrl::OnUpdateSelectAll(wxUpdateUIEvent& event)
1094 {
1095     event.Enable(GetLastPosition() > 0);
1096 }
1097
1098 // CS: Context Menus only work with MLTE implementations or non-multiline HIViews at the moment
1099
1100 void wxTextCtrl::OnContextMenu(wxContextMenuEvent& event)
1101 {
1102     if ( GetPeer()->HasOwnContextMenu() )
1103     {
1104         event.Skip() ;
1105         return ;
1106     }
1107
1108     if (m_privateContextMenu == NULL)
1109     {
1110         m_privateContextMenu = new wxMenu;
1111         m_privateContextMenu->Append(wxID_UNDO, _("&Undo"));
1112         m_privateContextMenu->Append(wxID_REDO, _("&Redo"));
1113         m_privateContextMenu->AppendSeparator();
1114         m_privateContextMenu->Append(wxID_CUT, _("Cu&t"));
1115         m_privateContextMenu->Append(wxID_COPY, _("&Copy"));
1116         m_privateContextMenu->Append(wxID_PASTE, _("&Paste"));
1117         m_privateContextMenu->Append(wxID_CLEAR, _("&Delete"));
1118         m_privateContextMenu->AppendSeparator();
1119         m_privateContextMenu->Append(wxID_SELECTALL, _("Select &All"));
1120     }
1121
1122     if (m_privateContextMenu != NULL)
1123         PopupMenu(m_privateContextMenu);
1124 }
1125
1126 bool wxTextCtrl::MacSetupCursor( const wxPoint& pt )
1127 {
1128     if ( !GetPeer()->SetupCursor( pt ) )
1129         return wxWindow::MacSetupCursor( pt ) ;
1130     else
1131         return true ;
1132 }
1133
1134 #if !TARGET_API_MAC_OSX
1135
1136 // user pane implementation
1137
1138 void wxTextCtrl::MacControlUserPaneDrawProc(wxInt16 part)
1139 {
1140     GetPeer()->MacControlUserPaneDrawProc( part ) ;
1141 }
1142
1143 wxInt16 wxTextCtrl::MacControlUserPaneHitTestProc(wxInt16 x, wxInt16 y)
1144 {
1145     return GetPeer()->MacControlUserPaneHitTestProc( x , y ) ;
1146 }
1147
1148 wxInt16 wxTextCtrl::MacControlUserPaneTrackingProc(wxInt16 x, wxInt16 y, void* actionProc)
1149 {
1150     return GetPeer()->MacControlUserPaneTrackingProc( x , y , actionProc ) ;
1151 }
1152
1153 void wxTextCtrl::MacControlUserPaneIdleProc()
1154 {
1155     GetPeer()->MacControlUserPaneIdleProc( ) ;
1156 }
1157
1158 wxInt16 wxTextCtrl::MacControlUserPaneKeyDownProc(wxInt16 keyCode, wxInt16 charCode, wxInt16 modifiers)
1159 {
1160     return GetPeer()->MacControlUserPaneKeyDownProc( keyCode , charCode , modifiers ) ;
1161 }
1162
1163 void wxTextCtrl::MacControlUserPaneActivateProc(bool activating)
1164 {
1165     GetPeer()->MacControlUserPaneActivateProc( activating ) ;
1166 }
1167
1168 wxInt16 wxTextCtrl::MacControlUserPaneFocusProc(wxInt16 action)
1169 {
1170     return GetPeer()->MacControlUserPaneFocusProc( action ) ;
1171 }
1172
1173 void wxTextCtrl::MacControlUserPaneBackgroundProc(void* info)
1174 {
1175     GetPeer()->MacControlUserPaneBackgroundProc( info ) ;
1176 }
1177
1178 #endif
1179
1180 // ----------------------------------------------------------------------------
1181 // implementation base class
1182 // ----------------------------------------------------------------------------
1183
1184 wxMacTextControl::wxMacTextControl(wxTextCtrl* peer) :
1185     wxMacControl( peer )
1186 {
1187 }
1188
1189 wxMacTextControl::~wxMacTextControl()
1190 {
1191 }
1192
1193 void wxMacTextControl::SetStyle(long start, long end, const wxTextAttr& style)
1194 {
1195 }
1196
1197 void wxMacTextControl::Copy()
1198 {
1199 }
1200
1201 void wxMacTextControl::Cut()
1202 {
1203 }
1204
1205 void wxMacTextControl::Paste()
1206 {
1207 }
1208
1209 bool wxMacTextControl::CanPaste() const
1210 {
1211     return false ;
1212 }
1213
1214 void wxMacTextControl::SetEditable(bool editable)
1215 {
1216 }
1217
1218 wxTextPos wxMacTextControl::GetLastPosition() const
1219 {
1220     return GetStringValue().Length() ;
1221 }
1222
1223 void wxMacTextControl::Replace( long from , long to , const wxString &val )
1224 {
1225     SetSelection( from , to ) ;
1226     WriteText( val ) ;
1227 }
1228
1229 void wxMacTextControl::Remove( long from , long to )
1230 {
1231     SetSelection( from , to ) ;
1232     WriteText( wxEmptyString) ;
1233 }
1234
1235 void wxMacTextControl::Clear()
1236 {
1237     SetStringValue( wxEmptyString ) ;
1238 }
1239
1240 bool wxMacTextControl::CanUndo() const
1241 {
1242     return false ;
1243 }
1244
1245 void wxMacTextControl::Undo()
1246 {
1247 }
1248
1249 bool wxMacTextControl::CanRedo()  const
1250 {
1251     return false ;
1252 }
1253
1254 void wxMacTextControl::Redo()
1255 {
1256 }
1257
1258 long wxMacTextControl::XYToPosition(long x, long y) const
1259 {
1260     return 0 ;
1261 }
1262
1263 bool wxMacTextControl::PositionToXY(long pos, long *x, long *y) const
1264 {
1265     return false ;
1266 }
1267
1268 void wxMacTextControl::ShowPosition( long WXUNUSED(pos) )
1269 {
1270 }
1271
1272 int wxMacTextControl::GetNumberOfLines() const
1273 {
1274     ItemCount lines = 0 ;
1275     wxString content = GetStringValue() ;
1276     lines = 1;
1277
1278     for (size_t i = 0; i < content.Length() ; i++)
1279     {
1280         if (content[i] == '\r')
1281             lines++;
1282     }
1283
1284     return lines ;
1285 }
1286
1287 wxString wxMacTextControl::GetLineText(long lineNo) const
1288 {
1289     // TODO: change this if possible to reflect real lines
1290     wxString content = GetStringValue() ;
1291
1292     // Find line first
1293     int count = 0;
1294     for (size_t i = 0; i < content.Length() ; i++)
1295     {
1296         if (count == lineNo)
1297         {
1298             // Add chars in line then
1299             wxString tmp;
1300
1301             for (size_t j = i; j < content.Length(); j++)
1302             {
1303                 if (content[j] == '\n')
1304                     return tmp;
1305
1306                 tmp += content[j];
1307             }
1308
1309             return tmp;
1310         }
1311
1312         if (content[i] == '\n')
1313             count++;
1314     }
1315
1316     return wxEmptyString ;
1317 }
1318
1319 int wxMacTextControl::GetLineLength(long lineNo) const
1320 {
1321     // TODO: change this if possible to reflect real lines
1322     wxString content = GetStringValue() ;
1323
1324     // Find line first
1325     int count = 0;
1326     for (size_t i = 0; i < content.Length() ; i++)
1327     {
1328         if (count == lineNo)
1329         {
1330             // Count chars in line then
1331             count = 0;
1332             for (size_t j = i; j < content.Length(); j++)
1333             {
1334                 count++;
1335                 if (content[j] == '\n')
1336                     return count;
1337             }
1338
1339             return count;
1340         }
1341
1342         if (content[i] == '\n')
1343             count++;
1344     }
1345
1346     return 0 ;
1347 }
1348
1349 // ----------------------------------------------------------------------------
1350 // standard unicode control implementation
1351 // ----------------------------------------------------------------------------
1352
1353 #if TARGET_API_MAC_OSX
1354
1355 wxMacUnicodeTextControl::wxMacUnicodeTextControl( wxTextCtrl *wxPeer,
1356                          const wxString& str,
1357                          const wxPoint& pos,
1358                          const wxSize& size, long style ) : wxMacTextControl( wxPeer )
1359 {
1360     m_font = wxPeer->GetFont() ;
1361     m_windowStyle = style ;
1362     Rect bounds = wxMacGetBoundsForControl( wxPeer , pos , size ) ;
1363     wxString st = str ;
1364     wxMacConvertNewlines10To13( &st ) ;
1365     wxMacCFStringHolder cf(st , m_font.GetEncoding()) ;
1366     CFStringRef cfr = cf ;
1367     Boolean isPassword = ( m_windowStyle & wxTE_PASSWORD ) != 0 ;
1368     m_valueTag = isPassword ? kControlEditTextPasswordCFStringTag : kControlEditTextCFStringTag ;
1369     CreateEditUnicodeTextControl(
1370         MAC_WXHWND(wxPeer->MacGetTopLevelWindowRef()), &bounds , cfr ,
1371         isPassword , NULL , &m_controlRef ) ;
1372
1373     if ( !(m_windowStyle & wxTE_MULTILINE) )
1374         SetData<Boolean>( kControlEditTextPart , kControlEditTextSingleLineTag , true ) ;
1375 }
1376
1377 wxMacUnicodeTextControl::~wxMacUnicodeTextControl()
1378 {
1379 }
1380
1381 void wxMacUnicodeTextControl::VisibilityChanged(bool shown)
1382 {
1383     if ( !(m_windowStyle & wxTE_MULTILINE) && shown )
1384     {
1385         // work around a refresh issue insofar as not always the entire content is shown,
1386         // even if this would be possible
1387         ControlEditTextSelectionRec sel ;
1388         CFStringRef value = NULL ;
1389
1390         verify_noerr( GetData<ControlEditTextSelectionRec>( 0, kControlEditTextSelectionTag, &sel ) );
1391         verify_noerr( GetData<CFStringRef>( 0, m_valueTag, &value ) );
1392         verify_noerr( SetData<CFStringRef>( 0, m_valueTag, &value ) );
1393         verify_noerr( SetData<ControlEditTextSelectionRec>( 0, kControlEditTextSelectionTag, &sel ) );
1394
1395         CFRelease( value ) ;
1396     }
1397 }
1398
1399 wxString wxMacUnicodeTextControl::GetStringValue() const
1400 {
1401     wxString result ;
1402     CFStringRef value = GetData<CFStringRef>(0, m_valueTag) ;
1403     if ( value )
1404     {
1405         wxMacCFStringHolder cf(value) ;
1406         result = cf.AsString() ;
1407     }
1408
1409 #if '\n' == 10
1410     wxMacConvertNewlines13To10( &result ) ;
1411 #else
1412     wxMacConvertNewlines10To13( &result ) ;
1413 #endif
1414
1415     return result ;
1416 }
1417
1418 void wxMacUnicodeTextControl::SetStringValue( const wxString &str )
1419 {
1420     wxString st = str ;
1421     wxMacConvertNewlines10To13( &st ) ;
1422     wxMacCFStringHolder cf(st , m_font.GetEncoding() ) ;
1423     verify_noerr( SetData<CFStringRef>( 0, m_valueTag , cf ) ) ;
1424 }
1425
1426 void wxMacUnicodeTextControl::Copy()
1427 {
1428     SendHICommand( kHICommandCopy ) ;
1429 }
1430
1431 void wxMacUnicodeTextControl::Cut()
1432 {
1433     SendHICommand( kHICommandCut ) ;
1434 }
1435
1436 void wxMacUnicodeTextControl::Paste()
1437 {
1438     SendHICommand( kHICommandPaste ) ;
1439 }
1440
1441 bool wxMacUnicodeTextControl::CanPaste() const
1442 {
1443     return true ;
1444 }
1445
1446 void wxMacUnicodeTextControl::SetEditable(bool editable)
1447 {
1448     SetData<Boolean>( 0 , kControlEditTextLockedTag , (Boolean) !editable ) ;
1449 }
1450
1451 void wxMacUnicodeTextControl::GetSelection( long* from, long* to ) const
1452 {
1453     ControlEditTextSelectionRec sel ;
1454     verify_noerr( GetData<ControlEditTextSelectionRec>( 0, kControlEditTextSelectionTag, &sel ) ) ;
1455     if ( from )
1456         *from = sel.selStart ;
1457     if ( to )
1458         *to = sel.selEnd ;
1459 }
1460
1461 void wxMacUnicodeTextControl::SetSelection( long from , long to )
1462 {
1463     ControlEditTextSelectionRec sel ;
1464     if ((from == -1) && (to == -1))
1465     {
1466         from = 0 ;
1467         to = 32767 ; // sel has 16 bit signed values, max is 32767
1468     }
1469
1470     sel.selStart = from ;
1471     sel.selEnd = to ;
1472     SetData<ControlEditTextSelectionRec>( 0, kControlEditTextSelectionTag, &sel ) ;
1473 }
1474
1475 void wxMacUnicodeTextControl::WriteText( const wxString& str )
1476 {
1477     wxString st = str ;
1478     wxMacConvertNewlines10To13( &st ) ;
1479
1480 #if MAC_OS_X_VERSION_MAX_ALLOWED > MAC_OS_X_VERSION_10_2
1481         wxMacCFStringHolder cf(st , m_font.GetEncoding() ) ;
1482         CFStringRef value = cf ;
1483         SetData<CFStringRef>( 0, kControlEditTextInsertCFStringRefTag, &value );
1484 #else
1485         wxString val = GetStringValue() ;
1486         long start , end ;
1487         GetSelection( &start , &end ) ;
1488         val.Remove( start , end - start ) ;
1489         val.insert( start , str ) ;
1490         SetStringValue( val ) ;
1491         SetSelection( start + str.Length() , start + str.Length() ) ;
1492 #endif
1493 }
1494
1495 #endif
1496
1497 // ----------------------------------------------------------------------------
1498 // MLTE control implementation (common part)
1499 // ----------------------------------------------------------------------------
1500
1501 // if MTLE is read only, no changes at all are allowed, not even from
1502 // procedural API, in order to allow changes via API all the same we must undo
1503 // the readonly status while we are executing, this class helps to do so
1504
1505 class wxMacEditHelper
1506 {
1507 public :
1508     wxMacEditHelper( TXNObject txn )
1509     {
1510         TXNControlTag tag[] = { kTXNIOPrivilegesTag } ;
1511         m_txn = txn ;
1512         TXNGetTXNObjectControls( m_txn , 1 , tag , m_data ) ;
1513         if ( m_data[0].uValue == kTXNReadOnly )
1514         {
1515             TXNControlData data[] = { { kTXNReadWrite } } ;
1516             TXNSetTXNObjectControls( m_txn , false , 1 , tag , data ) ;
1517         }
1518     }
1519
1520     ~wxMacEditHelper()
1521     {
1522         TXNControlTag tag[] = { kTXNIOPrivilegesTag } ;
1523         if ( m_data[0].uValue == kTXNReadOnly )
1524             TXNSetTXNObjectControls( m_txn , false , 1 , tag , m_data ) ;
1525     }
1526
1527 protected :
1528     TXNObject m_txn ;
1529     TXNControlData m_data[1] ;
1530 } ;
1531
1532 wxMacMLTEControl::wxMacMLTEControl( wxTextCtrl *peer ) : wxMacTextControl( peer )
1533 {
1534     SetNeedsFocusRect( true ) ;
1535 }
1536
1537 wxString wxMacMLTEControl::GetStringValue() const
1538 {
1539     wxString result ;
1540     OSStatus err ;
1541     Size actualSize = 0;
1542
1543     {
1544 #if wxUSE_UNICODE
1545         Handle theText ;
1546         err = TXNGetDataEncoded( m_txn, kTXNStartOffset, kTXNEndOffset, &theText, kTXNUnicodeTextData );
1547
1548         // all done
1549         if ( err != noErr )
1550         {
1551             actualSize = 0 ;
1552         }
1553         else
1554         {
1555             actualSize = GetHandleSize( theText ) / sizeof(UniChar) ;
1556             if ( actualSize > 0 )
1557             {
1558                 wxChar *ptr = NULL ;
1559
1560 #if SIZEOF_WCHAR_T == 2
1561                 ptr = new wxChar[actualSize + 1] ;
1562                 wxStrncpy( ptr , (wxChar*)(*theText) , actualSize ) ;
1563 #else
1564                 SetHandleSize( theText, (actualSize + 1) * sizeof(UniChar) ) ;
1565                 HLock( theText ) ;
1566                 (((UniChar*)*theText)[actualSize]) = 0 ;
1567                 wxMBConvUTF16 converter ;
1568                 size_t noChars = converter.MB2WC( NULL , (const char*)*theText , 0 ) ;
1569                 ptr = new wxChar[noChars + 1] ;
1570
1571                 noChars = converter.MB2WC( ptr , (const char*)*theText , noChars ) ;
1572                 ptr[noChars] = 0 ;
1573                 HUnlock( theText ) ;
1574 #endif
1575
1576                 ptr[actualSize] = 0 ;
1577                 result = wxString( ptr ) ;
1578                 delete [] ptr ;
1579             }
1580
1581             DisposeHandle( theText ) ;
1582         }
1583 #else
1584         Handle theText ;
1585         err = TXNGetDataEncoded( m_txn , kTXNStartOffset, kTXNEndOffset, &theText, kTXNTextData );
1586
1587         // all done
1588         if ( err != noErr )
1589         {
1590             actualSize = 0 ;
1591         }
1592         else
1593         {
1594             actualSize = GetHandleSize( theText ) ;
1595             if ( actualSize > 0 )
1596             {
1597                 HLock( theText ) ;
1598                 result = wxString( *theText , wxConvLocal , actualSize ) ;
1599                 HUnlock( theText ) ;
1600             }
1601
1602             DisposeHandle( theText ) ;
1603         }
1604 #endif
1605     }
1606
1607 #if '\n' == 10
1608     wxMacConvertNewlines13To10( &result ) ;
1609 #else
1610     wxMacConvertNewlines10To13( &result ) ;
1611 #endif
1612
1613     return result ;
1614 }
1615
1616 void wxMacMLTEControl::SetStringValue( const wxString &str )
1617 {
1618     wxString st = str;
1619     wxMacConvertNewlines10To13( &st );
1620
1621     {
1622         wxMacWindowClipper c( m_peer );
1623
1624         {
1625             wxMacEditHelper help( m_txn );
1626             SetTXNData( st, kTXNStartOffset, kTXNEndOffset );
1627         }
1628
1629         TXNSetSelection( m_txn, 0, 0 );
1630         TXNShowSelection( m_txn, kTXNShowStart );
1631     }
1632 }
1633
1634 TXNFrameOptions wxMacMLTEControl::FrameOptionsFromWXStyle( long wxStyle )
1635 {
1636     TXNFrameOptions frameOptions = kTXNDontDrawCaretWhenInactiveMask;
1637
1638 #if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_3
1639     frameOptions |= kTXNDoFontSubstitutionMask;
1640 #endif
1641
1642     if ( ! (wxStyle & wxTE_NOHIDESEL) )
1643         frameOptions |= kTXNDontDrawSelectionWhenInactiveMask ;
1644
1645     if ( wxStyle & (wxHSCROLL | wxTE_DONTWRAP) )
1646         frameOptions |= kTXNWantHScrollBarMask ;
1647
1648     if ( wxStyle & wxTE_MULTILINE )
1649     {
1650         frameOptions |= kTXNAlwaysWrapAtViewEdgeMask ;
1651
1652         if ( !(wxStyle & wxTE_NO_VSCROLL) )
1653         {
1654             frameOptions |= kTXNWantVScrollBarMask ;
1655
1656             // The following code causes drawing problems on 10.4. Perhaps it can be restored for
1657             // older versions of the OS, but I'm not sure it's appropriate to put a grow icon here
1658             // anyways, as AFAIK users can't actually use it to resize the text ctrl.
1659 //            if ( frameOptions & kTXNWantHScrollBarMask )
1660 //                frameOptions |= kTXNDrawGrowIconMask ;
1661         }
1662     }
1663     else
1664     {
1665         frameOptions |= kTXNSingleLineOnlyMask ;
1666     }
1667
1668     return frameOptions ;
1669 }
1670
1671 void wxMacMLTEControl::AdjustCreationAttributes( const wxColour &background, bool visible )
1672 {
1673     TXNControlTag iControlTags[] =
1674         {
1675             kTXNDoFontSubstitution,
1676             kTXNWordWrapStateTag ,
1677         };
1678     TXNControlData iControlData[] =
1679         {
1680             { true },
1681             { kTXNNoAutoWrap },
1682         };
1683
1684     int toptag = WXSIZEOF( iControlTags ) ;
1685
1686     if ( m_windowStyle & wxTE_MULTILINE )
1687     {
1688         iControlData[1].uValue =
1689             (m_windowStyle & wxTE_DONTWRAP)
1690             ? kTXNNoAutoWrap
1691             : kTXNAutoWrap;
1692     }
1693
1694     verify_noerr( TXNSetTXNObjectControls( m_txn, false, toptag, iControlTags, iControlData ) ) ;
1695
1696     // setting the default font:
1697     // under 10.2 this causes a visible caret, therefore we avoid it
1698
1699     if ( UMAGetSystemVersion() >= 0x1030 )
1700     {
1701         Str255 fontName ;
1702         SInt16 fontSize ;
1703         Style fontStyle ;
1704
1705         GetThemeFont(kThemeSystemFont , GetApplicationScript() , fontName , &fontSize , &fontStyle ) ;
1706
1707         TXNTypeAttributes typeAttr[] =
1708         {
1709             { kTXNQDFontNameAttribute , kTXNQDFontNameAttributeSize , { (void*) fontName } } ,
1710             { kTXNQDFontSizeAttribute , kTXNFontSizeAttributeSize , { (void*) (fontSize << 16) } } ,
1711             { kTXNQDFontStyleAttribute , kTXNQDFontStyleAttributeSize , { (void*) normal } } ,
1712         } ;
1713
1714         verify_noerr(
1715             TXNSetTypeAttributes(
1716                 m_txn, sizeof(typeAttr) / sizeof(TXNTypeAttributes),
1717                 typeAttr, kTXNStartOffset, kTXNEndOffset ) );
1718     }
1719
1720     if ( m_windowStyle & wxTE_PASSWORD )
1721     {
1722         UniChar c = 0xA5 ;
1723         verify_noerr (TXNEchoMode( m_txn , c , 0 , true ) );
1724     }
1725
1726     TXNBackground tback;
1727     tback.bgType = kTXNBackgroundTypeRGB;
1728     tback.bg.color = MAC_WXCOLORREF( background.GetPixel() );
1729     TXNSetBackground( m_txn , &tback );
1730
1731 #if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_4
1732     if ( UMAGetSystemVersion() >= 0x1040 )
1733     {
1734         TXNCommandEventSupportOptions options ;
1735         if ( TXNGetCommandEventSupport( m_txn, &options ) == noErr )
1736         {
1737             options |=
1738                 kTXNSupportEditCommandProcessing
1739                 | kTXNSupportEditCommandUpdating
1740                 | kTXNSupportSpellCheckCommandProcessing
1741                 | kTXNSupportSpellCheckCommandUpdating
1742                 | kTXNSupportFontCommandProcessing
1743                 | kTXNSupportFontCommandUpdating;
1744
1745             TXNSetCommandEventSupport( m_txn , options ) ;
1746         }
1747     }
1748 #endif
1749 }
1750
1751 void wxMacMLTEControl::SetBackground( const wxBrush &brush )
1752 {
1753     // currently only solid background are supported
1754     TXNBackground tback;
1755
1756     tback.bgType = kTXNBackgroundTypeRGB;
1757     tback.bg.color = MAC_WXCOLORREF( brush.GetColour().GetPixel() );
1758     TXNSetBackground( m_txn , &tback );
1759 }
1760
1761 void wxMacMLTEControl::TXNSetAttribute( const wxTextAttr& style , long from , long to )
1762 {
1763     TXNTypeAttributes typeAttr[4] ;
1764     Str255 fontName = "\pMonaco" ;
1765     SInt16 fontSize = 12 ;
1766     Style fontStyle = normal ;
1767     RGBColor color ;
1768     int attrCount = 0 ;
1769
1770     if ( style.HasFont() )
1771     {
1772         const wxFont &font = style.GetFont() ;
1773         wxMacStringToPascal( font.GetFaceName() , fontName ) ;
1774         fontSize = font.GetPointSize() ;
1775         if ( font.GetUnderlined() )
1776             fontStyle |= underline ;
1777         if ( font.GetWeight() == wxBOLD )
1778             fontStyle |= bold ;
1779         if ( font.GetStyle() == wxITALIC )
1780             fontStyle |= italic ;
1781
1782         typeAttr[attrCount].tag = kTXNQDFontNameAttribute ;
1783         typeAttr[attrCount].size = kTXNQDFontNameAttributeSize ;
1784         typeAttr[attrCount].data.dataPtr = (void*)fontName ;
1785         attrCount++ ;
1786
1787         typeAttr[attrCount].tag = kTXNQDFontSizeAttribute ;
1788         typeAttr[attrCount].size = kTXNFontSizeAttributeSize ;
1789         typeAttr[attrCount].data.dataValue = (fontSize << 16) ;
1790         attrCount++ ;
1791
1792         typeAttr[attrCount].tag = kTXNQDFontStyleAttribute ;
1793         typeAttr[attrCount].size = kTXNQDFontStyleAttributeSize ;
1794         typeAttr[attrCount].data.dataValue = fontStyle ;
1795         attrCount++ ;
1796     }
1797
1798     if ( style.HasTextColour() )
1799     {
1800         color = MAC_WXCOLORREF(style.GetTextColour().GetPixel()) ;
1801
1802         typeAttr[attrCount].tag = kTXNQDFontColorAttribute ;
1803         typeAttr[attrCount].size = kTXNQDFontColorAttributeSize ;
1804         typeAttr[attrCount].data.dataPtr = (void*) &color ;
1805         attrCount++ ;
1806     }
1807
1808     if ( attrCount > 0 )
1809     {
1810         verify_noerr( TXNSetTypeAttributes( m_txn , attrCount , typeAttr, from , to ) );
1811     }
1812 }
1813
1814 void wxMacMLTEControl::SetFont( const wxFont & font , const wxColour& foreground , long windowStyle )
1815 {
1816     wxMacEditHelper help( m_txn ) ;
1817     TXNSetAttribute( wxTextAttr( foreground, wxNullColour, font ), kTXNStartOffset, kTXNEndOffset ) ;
1818 }
1819
1820 void wxMacMLTEControl::SetStyle( long start, long end, const wxTextAttr& style )
1821 {
1822     wxMacEditHelper help( m_txn ) ;
1823     TXNSetAttribute( style, start, end ) ;
1824 }
1825
1826 void wxMacMLTEControl::Copy()
1827 {
1828     ClearCurrentScrap();
1829     TXNCopy( m_txn );
1830     TXNConvertToPublicScrap();
1831 }
1832
1833 void wxMacMLTEControl::Cut()
1834 {
1835     ClearCurrentScrap();
1836     TXNCut( m_txn );
1837     TXNConvertToPublicScrap();
1838 }
1839
1840 void wxMacMLTEControl::Paste()
1841 {
1842     TXNConvertFromPublicScrap();
1843     TXNPaste( m_txn );
1844 }
1845
1846 bool wxMacMLTEControl::CanPaste() const
1847 {
1848     return TXNIsScrapPastable() ;
1849 }
1850
1851 void wxMacMLTEControl::SetEditable(bool editable)
1852 {
1853     TXNControlTag tag[] = { kTXNIOPrivilegesTag } ;
1854     TXNControlData data[] = { { editable ? kTXNReadWrite : kTXNReadOnly } } ;
1855     TXNSetTXNObjectControls( m_txn, false, WXSIZEOF(tag), tag, data ) ;
1856 }
1857
1858 wxTextPos wxMacMLTEControl::GetLastPosition() const
1859 {
1860     wxTextPos actualsize = 0 ;
1861
1862     Handle theText ;
1863     OSErr err = TXNGetDataEncoded( m_txn, kTXNStartOffset, kTXNEndOffset, &theText, kTXNTextData );
1864
1865     // all done
1866     if ( err == noErr )
1867     {
1868         actualsize = GetHandleSize( theText ) ;
1869         DisposeHandle( theText ) ;
1870     }
1871     else
1872     {
1873         actualsize = 0 ;
1874     }
1875
1876     return actualsize ;
1877 }
1878
1879 void wxMacMLTEControl::Replace( long from , long to , const wxString &str )
1880 {
1881     wxString value = str ;
1882     wxMacConvertNewlines10To13( &value ) ;
1883
1884     wxMacEditHelper help( m_txn ) ;
1885     wxMacWindowClipper c( m_peer ) ;
1886
1887     TXNSetSelection( m_txn, from, to ) ;
1888     TXNClear( m_txn ) ;
1889     SetTXNData( value, kTXNUseCurrentSelection, kTXNUseCurrentSelection ) ;
1890 }
1891
1892 void wxMacMLTEControl::Remove( long from , long to )
1893 {
1894     wxMacWindowClipper c( m_peer ) ;
1895     wxMacEditHelper help( m_txn ) ;
1896     TXNSetSelection( m_txn , from , to ) ;
1897     TXNClear( m_txn ) ;
1898 }
1899
1900 void wxMacMLTEControl::GetSelection( long* from, long* to) const
1901 {
1902     TXNGetSelection( m_txn , (TXNOffset*) from , (TXNOffset*) to ) ;
1903 }
1904
1905 void wxMacMLTEControl::SetSelection( long from , long to )
1906 {
1907     wxMacWindowClipper c( m_peer ) ;
1908
1909     // change the selection
1910     if ((from == -1) && (to == -1))
1911         TXNSelectAll( m_txn );
1912     else
1913         TXNSetSelection( m_txn, from, to );
1914
1915     TXNShowSelection( m_txn, kTXNShowStart );
1916 }
1917
1918 void wxMacMLTEControl::WriteText( const wxString& str )
1919 {
1920     wxString st = str ;
1921     wxMacConvertNewlines10To13( &st ) ;
1922
1923     long start , end , dummy ;
1924
1925     GetSelection( &start , &dummy ) ;
1926     wxMacWindowClipper c( m_peer ) ;
1927
1928     {
1929         wxMacEditHelper helper( m_txn ) ;
1930         SetTXNData( st, kTXNUseCurrentSelection, kTXNUseCurrentSelection ) ;
1931     }
1932
1933     GetSelection( &dummy, &end ) ;
1934
1935     // TODO: SetStyle( start , end , GetDefaultStyle() ) ;
1936 }
1937
1938 void wxMacMLTEControl::Clear()
1939 {
1940     wxMacWindowClipper c( m_peer ) ;
1941     wxMacEditHelper st( m_txn ) ;
1942     TXNSetSelection( m_txn , kTXNStartOffset , kTXNEndOffset ) ;
1943     TXNClear( m_txn ) ;
1944 }
1945
1946 bool wxMacMLTEControl::CanUndo() const
1947 {
1948     return TXNCanUndo( m_txn , NULL ) ;
1949 }
1950
1951 void wxMacMLTEControl::Undo()
1952 {
1953     TXNUndo( m_txn ) ;
1954 }
1955
1956 bool wxMacMLTEControl::CanRedo() const
1957 {
1958     return TXNCanRedo( m_txn , NULL ) ;
1959 }
1960
1961 void wxMacMLTEControl::Redo()
1962 {
1963     TXNRedo( m_txn ) ;
1964 }
1965
1966 int wxMacMLTEControl::GetNumberOfLines() const
1967 {
1968     ItemCount lines = 0 ;
1969     TXNGetLineCount( m_txn, &lines ) ;
1970
1971     return lines ;
1972 }
1973
1974 long wxMacMLTEControl::XYToPosition(long x, long y) const
1975 {
1976     Point curpt ;
1977     wxTextPos lastpos ;
1978
1979     // TODO: find a better implementation : while we can get the
1980     // line metrics of a certain line, we don't get its starting
1981     // position, so it would probably be rather a binary search
1982     // for the start position
1983     long xpos = 0, ypos = 0 ;
1984     int lastHeight = 0 ;
1985     ItemCount n ;
1986
1987     lastpos = GetLastPosition() ;
1988     for ( n = 0 ; n <= (ItemCount) lastpos ; ++n )
1989     {
1990         if ( y == ypos && x == xpos )
1991             return n ;
1992
1993         TXNOffsetToPoint( m_txn ,  n , &curpt );
1994
1995         if ( curpt.v > lastHeight )
1996         {
1997             xpos = 0 ;
1998             if ( n > 0 )
1999                 ++ypos ;
2000
2001             lastHeight = curpt.v ;
2002         }
2003         else
2004             ++xpos ;
2005     }
2006
2007     return 0 ;
2008 }
2009
2010 bool wxMacMLTEControl::PositionToXY( long pos, long *x, long *y ) const
2011 {
2012     Point curpt ;
2013     wxTextPos lastpos ;
2014
2015     if ( y )
2016         *y = 0 ;
2017     if ( x )
2018         *x = 0 ;
2019
2020     lastpos = GetLastPosition() ;
2021     if ( pos <= lastpos )
2022     {
2023         // TODO: find a better implementation - while we can get the
2024         // line metrics of a certain line, we don't get its starting
2025         // position, so it would probably be rather a binary search
2026         // for the start position
2027         long xpos = 0, ypos = 0 ;
2028         int lastHeight = 0 ;
2029         ItemCount n ;
2030
2031         for ( n = 0 ; n <= (ItemCount) pos ; ++n )
2032         {
2033             TXNOffsetToPoint(m_txn ,  n , &curpt);
2034
2035             if ( curpt.v > lastHeight )
2036             {
2037                 xpos = 0 ;
2038                 if ( n > 0 )
2039                     ++ypos ;
2040
2041                 lastHeight = curpt.v ;
2042             }
2043             else
2044                 ++xpos ;
2045         }
2046
2047         if ( y )
2048             *y = ypos ;
2049         if ( x )
2050             *x = xpos ;
2051     }
2052
2053     return false ;
2054 }
2055
2056 void wxMacMLTEControl::ShowPosition( long pos )
2057 {
2058 #if TARGET_RT_MAC_MACHO && defined(AVAILABLE_MAC_OS_X_VERSION_10_2_AND_LATER)
2059     {
2060         Point current, desired ;
2061         TXNOffset selstart, selend;
2062
2063         TXNGetSelection( m_txn, &selstart, &selend );
2064         TXNOffsetToPoint( m_txn, selstart, &current );
2065         TXNOffsetToPoint( m_txn, pos, &desired );
2066
2067         // TODO: use HIPoints for 10.3 and above
2068         if ( (UInt32)TXNScroll != (UInt32)kUnresolvedCFragSymbolAddress )
2069         {
2070             OSErr theErr = noErr;
2071             SInt32 dv = desired.v - current.v;
2072             SInt32 dh = desired.h - current.h;
2073             TXNShowSelection( m_txn, kTXNShowEnd ); // NB: should this be kTXNShowStart or kTXNShowEnd ??
2074             theErr = TXNScroll( m_txn, kTXNScrollUnitsInPixels, kTXNScrollUnitsInPixels, &dv, &dh );
2075
2076             // there will be an error returned for classic MLTE implementation when the control is
2077             // invisible, but HITextView works correctly, so we don't assert that one
2078             // wxASSERT_MSG( theErr == noErr, _T("TXNScroll returned an error!") );
2079         }
2080     }
2081 #endif
2082 }
2083
2084 void wxMacMLTEControl::SetTXNData( const wxString& st, TXNOffset start, TXNOffset end )
2085 {
2086 #if wxUSE_UNICODE
2087 #if SIZEOF_WCHAR_T == 2
2088     size_t len = st.Len() ;
2089     TXNSetData( m_txn, kTXNUnicodeTextData, (void*)st.wc_str(), len * 2, start, end );
2090 #else
2091     wxMBConvUTF16 converter ;
2092     ByteCount byteBufferLen = converter.WC2MB( NULL, st.wc_str(), 0 ) ;
2093     UniChar *unibuf = (UniChar*)malloc( byteBufferLen ) ;
2094     converter.WC2MB( (char*)unibuf, st.wc_str(), byteBufferLen ) ;
2095     TXNSetData( m_txn, kTXNUnicodeTextData, (void*)unibuf, byteBufferLen, start, end ) ;
2096     free( unibuf ) ;
2097 #endif
2098 #else
2099     wxCharBuffer text = st.mb_str( wxConvLocal ) ;
2100     TXNSetData( m_txn, kTXNTextData, (void*)text.data(), strlen( text ), start, end ) ;
2101 #endif
2102 }
2103
2104 wxString wxMacMLTEControl::GetLineText(long lineNo) const
2105 {
2106     wxString line ;
2107
2108     if ( lineNo < GetNumberOfLines() )
2109     {
2110         Point firstPoint;
2111         Fixed lineWidth, lineHeight, currentHeight;
2112         long ypos ;
2113
2114         // get the first possible position in the control
2115         TXNOffsetToPoint(m_txn, 0, &firstPoint);
2116
2117         // Iterate through the lines until we reach the one we want,
2118         // adding to our current y pixel point position
2119         ypos = 0 ;
2120         currentHeight = 0;
2121         while (ypos < lineNo)
2122         {
2123             TXNGetLineMetrics(m_txn, ypos++, &lineWidth, &lineHeight);
2124             currentHeight += lineHeight;
2125         }
2126
2127         Point thePoint = { firstPoint.v + (currentHeight >> 16), firstPoint.h + (0) };
2128         TXNOffset theOffset;
2129         TXNPointToOffset(m_txn, thePoint, &theOffset);
2130
2131         wxString content = GetStringValue() ;
2132         Point currentPoint = thePoint;
2133         while (thePoint.v == currentPoint.v && theOffset < content.length())
2134         {
2135             line += content[theOffset];
2136             TXNOffsetToPoint(m_txn, ++theOffset, &currentPoint);
2137         }
2138     }
2139
2140     return line ;
2141 }
2142
2143 int  wxMacMLTEControl::GetLineLength(long lineNo) const
2144 {
2145     int theLength = 0;
2146
2147     if ( lineNo < GetNumberOfLines() )
2148     {
2149         Point firstPoint;
2150         Fixed lineWidth, lineHeight, currentHeight;
2151         long ypos ;
2152
2153         // get the first possible position in the control
2154         TXNOffsetToPoint(m_txn, 0, &firstPoint);
2155
2156         // Iterate through the lines until we reach the one we want,
2157         // adding to our current y pixel point position
2158         ypos = 0;
2159         currentHeight = 0;
2160         while (ypos < lineNo)
2161         {
2162             TXNGetLineMetrics(m_txn, ypos++, &lineWidth, &lineHeight);
2163             currentHeight += lineHeight;
2164         }
2165
2166         Point thePoint = { firstPoint.v + (currentHeight >> 16), firstPoint.h + (0) };
2167         TXNOffset theOffset;
2168         TXNPointToOffset(m_txn, thePoint, &theOffset);
2169
2170         wxString content = GetStringValue() ;
2171         Point currentPoint = thePoint;
2172         while (thePoint.v == currentPoint.v && theOffset < content.length())
2173         {
2174             ++theLength;
2175             TXNOffsetToPoint(m_txn, ++theOffset, &currentPoint);
2176         }
2177     }
2178
2179     return theLength ;
2180 }
2181
2182 // ----------------------------------------------------------------------------
2183 // MLTE control implementation (classic part)
2184 // ----------------------------------------------------------------------------
2185
2186 // OS X Notes : We still don't have a full replacement for MLTE, so this implementation
2187 // has to live on. We have different problems coming from outdated implementations on the
2188 // various OS X versions. Most deal with the scrollbars: they are not correctly embedded
2189 // while this can be solved on 10.3 by reassigning them the correct place, on 10.2 there is
2190 // no way out, therefore we are using our own implementation and our own scrollbars ....
2191
2192 #ifdef __WXMAC_OSX__
2193
2194 TXNScrollInfoUPP gTXNScrollInfoProc = NULL ;
2195 ControlActionUPP gTXNScrollActionProc = NULL ;
2196
2197 pascal void wxMacMLTEClassicControl::TXNScrollInfoProc(
2198     SInt32 iValue, SInt32 iMaximumValue,
2199     TXNScrollBarOrientation iScrollBarOrientation, SInt32 iRefCon )
2200 {
2201     wxMacMLTEClassicControl* mlte = (wxMacMLTEClassicControl*) iRefCon ;
2202     SInt32 value =  wxMax( iValue , 0 ) ;
2203     SInt32 maximum = wxMax( iMaximumValue , 0 ) ;
2204
2205     if ( iScrollBarOrientation == kTXNHorizontal )
2206     {
2207         if ( mlte->m_sbHorizontal )
2208         {
2209             SetControl32BitValue( mlte->m_sbHorizontal , value ) ;
2210             SetControl32BitMaximum( mlte->m_sbHorizontal , maximum ) ;
2211             mlte->m_lastHorizontalValue = value ;
2212         }
2213     }
2214     else if ( iScrollBarOrientation == kTXNVertical )
2215     {
2216         if ( mlte->m_sbVertical )
2217         {
2218             SetControl32BitValue( mlte->m_sbVertical , value ) ;
2219             SetControl32BitMaximum( mlte->m_sbVertical , maximum ) ;
2220             mlte->m_lastVerticalValue = value ;
2221         }
2222     }
2223 }
2224
2225 pascal void wxMacMLTEClassicControl::TXNScrollActionProc( ControlRef controlRef , ControlPartCode partCode )
2226 {
2227     wxMacMLTEClassicControl* mlte = (wxMacMLTEClassicControl*) GetControlReference( controlRef ) ;
2228     if ( mlte == NULL )
2229         return ;
2230
2231     if ( controlRef != mlte->m_sbVertical && controlRef != mlte->m_sbHorizontal )
2232         return ;
2233
2234     OSStatus err ;
2235     bool isHorizontal = ( controlRef == mlte->m_sbHorizontal ) ;
2236
2237     SInt32 minimum = 0 ;
2238     SInt32 maximum = GetControl32BitMaximum( controlRef ) ;
2239     SInt32 value = GetControl32BitValue( controlRef ) ;
2240     SInt32 delta = 0;
2241
2242     switch ( partCode )
2243     {
2244
2245         case kControlDownButtonPart :
2246             delta = 10 ;
2247             break ;
2248
2249         case kControlUpButtonPart :
2250             delta = -10 ;
2251             break ;
2252
2253         case kControlPageDownPart :
2254             delta = GetControlViewSize( controlRef ) ;
2255             break ;
2256
2257         case kControlPageUpPart :
2258             delta = -GetControlViewSize( controlRef ) ;
2259             break ;
2260
2261         case kControlIndicatorPart :
2262             delta = value - (isHorizontal ? mlte->m_lastHorizontalValue : mlte->m_lastVerticalValue) ;
2263             break ;
2264
2265         default :
2266             break ;
2267     }
2268
2269     if ( delta != 0 )
2270     {
2271         SInt32 newValue = value ;
2272
2273         if ( partCode != kControlIndicatorPart )
2274         {
2275             if ( value + delta < minimum )
2276                 delta = minimum - value ;
2277             if ( value + delta > maximum )
2278                 delta = maximum - value ;
2279
2280             SetControl32BitValue( controlRef , value + delta ) ;
2281             newValue = value + delta ;
2282         }
2283
2284         SInt32 verticalDelta = isHorizontal ? 0 : delta ;
2285         SInt32 horizontalDelta = isHorizontal ? delta : 0 ;
2286
2287         err = TXNScroll(
2288             mlte->m_txn, kTXNScrollUnitsInPixels, kTXNScrollUnitsInPixels,
2289             &verticalDelta, &horizontalDelta );
2290
2291         if ( isHorizontal )
2292             mlte->m_lastHorizontalValue = newValue ;
2293         else
2294             mlte->m_lastVerticalValue = newValue ;
2295     }
2296 }
2297 #endif
2298
2299 // make correct activations
2300 void wxMacMLTEClassicControl::MacActivatePaneText(bool setActive)
2301 {
2302     wxTextCtrl* textctrl = (wxTextCtrl*) GetControlReference(m_controlRef);
2303
2304     wxMacWindowClipper clipper( textctrl ) ;
2305     TXNActivate( m_txn, m_txnFrameID, setActive );
2306
2307     ControlRef controlFocus = 0 ;
2308     GetKeyboardFocus( m_txnWindow , &controlFocus ) ;
2309     if ( controlFocus == m_controlRef )
2310         TXNFocus( m_txn, setActive );
2311 }
2312
2313 void wxMacMLTEClassicControl::MacFocusPaneText(bool setFocus)
2314 {
2315     TXNFocus( m_txn, setFocus );
2316 }
2317
2318 // guards against inappropriate redraw (hidden objects drawing onto window)
2319
2320 void wxMacMLTEClassicControl::MacSetObjectVisibility(bool vis)
2321 {
2322     ControlRef controlFocus = 0 ;
2323     GetKeyboardFocus( m_txnWindow , &controlFocus ) ;
2324
2325     if ( !vis && (controlFocus == m_controlRef ) )
2326         SetKeyboardFocus( m_txnWindow , m_controlRef , kControlFocusNoPart ) ;
2327
2328     TXNControlTag iControlTags[1] = { kTXNVisibilityTag };
2329     TXNControlData iControlData[1] = { { (UInt32)false } };
2330
2331     verify_noerr( TXNGetTXNObjectControls( m_txn , 1, iControlTags, iControlData ) ) ;
2332
2333     if ( iControlData[0].uValue != vis )
2334     {
2335         iControlData[0].uValue = vis ;
2336         verify_noerr( TXNSetTXNObjectControls( m_txn, false , 1, iControlTags, iControlData ) ) ;
2337     }
2338
2339     // currently, we always clip as partial visibility (overlapped) visibility is also a problem,
2340     // if we run into further problems we might set the FrameBounds to an empty rect here
2341 }
2342
2343 // make sure that the TXNObject is at the right position
2344
2345 void wxMacMLTEClassicControl::MacUpdatePosition()
2346 {
2347     wxTextCtrl* textctrl = (wxTextCtrl*)GetControlReference( m_controlRef );
2348     if ( textctrl == NULL )
2349         return ;
2350
2351     Rect bounds ;
2352     UMAGetControlBoundsInWindowCoords( m_controlRef, &bounds );
2353
2354     wxRect visRect = textctrl->MacGetClippedClientRect() ;
2355     Rect visBounds = { visRect.y , visRect.x , visRect.y + visRect.height , visRect.x + visRect.width } ;
2356     int x , y ;
2357     x = y = 0 ;
2358     textctrl->MacWindowToRootWindow( &x , &y ) ;
2359     OffsetRect( &visBounds , x , y ) ;
2360
2361     if ( !EqualRect( &bounds, &m_txnControlBounds ) || !EqualRect( &visBounds, &m_txnVisBounds ) )
2362     {
2363         m_txnControlBounds = bounds ;
2364         m_txnVisBounds = visBounds ;
2365         wxMacWindowClipper cl( textctrl ) ;
2366
2367 #ifdef __WXMAC_OSX__
2368         bool isCompositing = textctrl->MacGetTopLevelWindow()->MacUsesCompositing() ;
2369         if ( m_sbHorizontal || m_sbVertical )
2370         {
2371             int w = bounds.right - bounds.left ;
2372             int h = bounds.bottom - bounds.top ;
2373
2374             if ( m_sbHorizontal )
2375             {
2376                 Rect sbBounds ;
2377
2378                 sbBounds.left = -1 ;
2379                 sbBounds.top = h - 14 ;
2380                 sbBounds.right = w + 1 ;
2381                 sbBounds.bottom = h + 1 ;
2382
2383                 if ( !isCompositing )
2384                     OffsetRect( &sbBounds , m_txnControlBounds.left , m_txnControlBounds.top ) ;
2385
2386                 SetControlBounds( m_sbHorizontal , &sbBounds ) ;
2387                 SetControlViewSize( m_sbHorizontal , w ) ;
2388             }
2389
2390             if ( m_sbVertical )
2391             {
2392                 Rect sbBounds ;
2393
2394                 sbBounds.left = w - 14 ;
2395                 sbBounds.top = -1 ;
2396                 sbBounds.right = w + 1 ;
2397                 sbBounds.bottom = m_sbHorizontal ? h - 14 : h + 1 ;
2398
2399                 if ( !isCompositing )
2400                     OffsetRect( &sbBounds , m_txnControlBounds.left , m_txnControlBounds.top ) ;
2401
2402                 SetControlBounds( m_sbVertical , &sbBounds ) ;
2403                 SetControlViewSize( m_sbVertical , h ) ;
2404             }
2405         }
2406
2407         Rect oldviewRect ;
2408         TXNLongRect olddestRect ;
2409         TXNGetRectBounds( m_txn , &oldviewRect , &olddestRect , NULL ) ;
2410
2411         Rect viewRect = { m_txnControlBounds.top, m_txnControlBounds.left,
2412             m_txnControlBounds.bottom - ( m_sbHorizontal ? 14 : 0 ) ,
2413             m_txnControlBounds.right - ( m_sbVertical ? 14 : 0 ) } ;
2414         TXNLongRect destRect = { m_txnControlBounds.top, m_txnControlBounds.left,
2415             m_txnControlBounds.bottom - ( m_sbHorizontal ? 14 : 0 ) ,
2416             m_txnControlBounds.right - ( m_sbVertical ? 14 : 0 ) } ;
2417
2418         if ( olddestRect.right >= 10000 )
2419             destRect.right = destRect.left + 32000 ;
2420
2421         if ( olddestRect.bottom >= 0x20000000 )
2422             destRect.bottom = destRect.top + 0x40000000 ;
2423
2424         SectRect( &viewRect , &visBounds , &viewRect ) ;
2425         TXNSetRectBounds( m_txn , &viewRect , &destRect , true ) ;
2426
2427 #if 0
2428         TXNSetFrameBounds(
2429             m_txn,
2430             m_txnControlBounds.top,
2431             m_txnControlBounds.left,
2432             m_txnControlBounds.bottom - (m_sbHorizontal ? 14 : 0),
2433             m_txnControlBounds.right - (m_sbVertical ? 14 : 0),
2434             m_txnFrameID );
2435 #endif
2436 #else
2437
2438         TXNSetFrameBounds(
2439             m_txn, m_txnControlBounds.top, m_txnControlBounds.left,
2440             wxMax( m_txnControlBounds.bottom, m_txnControlBounds.top ),
2441             wxMax( m_txnControlBounds.right, m_txnControlBounds.left ), m_txnFrameID );
2442 #endif
2443
2444         // the SetFrameBounds method under Classic sometimes does not correctly scroll a selection into sight after a
2445         // movement, therefore we have to force it
2446
2447         // this problem has been reported in OSX as well, so we use this here once again
2448
2449         TXNLongRect textRect ;
2450         TXNGetRectBounds( m_txn , NULL , NULL , &textRect ) ;
2451         if ( textRect.left < m_txnControlBounds.left )
2452             TXNShowSelection( m_txn , kTXNShowStart ) ;
2453     }
2454 }
2455
2456 void wxMacMLTEClassicControl::SetRect( Rect *r )
2457 {
2458     wxMacControl::SetRect( r ) ;
2459     MacUpdatePosition() ;
2460 }
2461
2462 void wxMacMLTEClassicControl::MacControlUserPaneDrawProc(wxInt16 thePart)
2463 {
2464     wxTextCtrl* textctrl = (wxTextCtrl*)GetControlReference( m_controlRef );
2465     if ( textctrl == NULL )
2466         return ;
2467
2468     if ( textctrl->MacIsReallyShown() )
2469     {
2470         wxMacWindowClipper clipper( textctrl ) ;
2471         TXNDraw( m_txn , NULL ) ;
2472     }
2473 }
2474
2475 wxInt16 wxMacMLTEClassicControl::MacControlUserPaneHitTestProc(wxInt16 x, wxInt16 y)
2476 {
2477     Point where = { y , x } ;
2478     ControlPartCode result = kControlNoPart;
2479
2480     wxTextCtrl* textctrl = (wxTextCtrl*) GetControlReference( m_controlRef );
2481     if ( (textctrl != NULL) && textctrl->MacIsReallyShown() )
2482     {
2483         if (PtInRect( where, &m_txnControlBounds ))
2484         {
2485             result = kControlEditTextPart ;
2486         }
2487         else
2488         {
2489             // sometimes we get the coords also in control local coordinates, therefore test again
2490             if ( textctrl->MacGetTopLevelWindow()->MacUsesCompositing() )
2491             {
2492                 int x = 0 , y = 0 ;
2493                 textctrl->MacClientToRootWindow( &x , &y ) ;
2494                 where.h += x ;
2495                 where.v += y ;
2496             }
2497
2498             if (PtInRect( where, &m_txnControlBounds ))
2499                 result = kControlEditTextPart ;
2500         }
2501     }
2502
2503     return result;
2504 }
2505
2506 wxInt16 wxMacMLTEClassicControl::MacControlUserPaneTrackingProc( wxInt16 x, wxInt16 y, void* actionProc )
2507 {
2508     ControlPartCode result = kControlNoPart;
2509
2510     wxTextCtrl* textctrl = (wxTextCtrl*) GetControlReference( m_controlRef );
2511     if ( (textctrl != NULL) && textctrl->MacIsReallyShown() )
2512     {
2513         Point startPt = { y , x } ;
2514         // for compositing, we must convert these into toplevel window coordinates, because hittesting expects them
2515         if ( textctrl->MacGetTopLevelWindow()->MacUsesCompositing() )
2516         {
2517             int x = 0 , y = 0 ;
2518             textctrl->MacClientToRootWindow( &x , &y ) ;
2519             startPt.h += x ;
2520             startPt.v += y ;
2521         }
2522
2523         switch (MacControlUserPaneHitTestProc( startPt.h , startPt.v ))
2524         {
2525             case kControlEditTextPart :
2526             {
2527                 wxMacWindowClipper clipper( textctrl ) ;
2528                 EventRecord rec ;
2529
2530                 ConvertEventRefToEventRecord( (EventRef) wxTheApp->MacGetCurrentEvent() , &rec ) ;
2531                 TXNClick( m_txn, &rec );
2532             }
2533                 break;
2534
2535             default :
2536                 break;
2537         }
2538     }
2539
2540     return result;
2541 }
2542
2543 void wxMacMLTEClassicControl::MacControlUserPaneIdleProc()
2544 {
2545     wxTextCtrl* textctrl = (wxTextCtrl*)GetControlReference( m_controlRef );
2546     if ( textctrl == NULL )
2547         return ;
2548
2549     if (textctrl->MacIsReallyShown())
2550     {
2551         if (IsControlActive(m_controlRef))
2552         {
2553             Point mousep;
2554
2555             wxMacWindowClipper clipper( textctrl ) ;
2556             GetMouse(&mousep);
2557
2558             TXNIdle(m_txn);
2559
2560             if (PtInRect(mousep, &m_txnControlBounds))
2561             {
2562                 RgnHandle theRgn = NewRgn();
2563                 RectRgn(theRgn, &m_txnControlBounds);
2564                 TXNAdjustCursor(m_txn, theRgn);
2565                 DisposeRgn(theRgn);
2566             }
2567         }
2568     }
2569 }
2570
2571 wxInt16 wxMacMLTEClassicControl::MacControlUserPaneKeyDownProc (wxInt16 keyCode, wxInt16 charCode, wxInt16 modifiers)
2572 {
2573     wxTextCtrl* textctrl = (wxTextCtrl*)GetControlReference( m_controlRef );
2574     if ( textctrl == NULL )
2575         return kControlNoPart;
2576
2577     wxMacWindowClipper clipper( textctrl ) ;
2578
2579     EventRecord ev ;
2580     memset( &ev , 0 , sizeof( ev ) ) ;
2581     ev.what = keyDown ;
2582     ev.modifiers = modifiers ;
2583     ev.message = ((keyCode << 8) & keyCodeMask) | (charCode & charCodeMask);
2584     TXNKeyDown( m_txn , &ev );
2585
2586     return kControlEntireControl;
2587 }
2588
2589 void wxMacMLTEClassicControl::MacControlUserPaneActivateProc(bool activating)
2590 {
2591     MacActivatePaneText( activating );
2592 }
2593
2594 wxInt16 wxMacMLTEClassicControl::MacControlUserPaneFocusProc(wxInt16 action)
2595 {
2596     ControlPartCode focusResult = kControlFocusNoPart;
2597
2598     wxTextCtrl* textctrl = (wxTextCtrl*)GetControlReference( m_controlRef );
2599     if ( textctrl == NULL )
2600         return focusResult;
2601
2602     wxMacWindowClipper clipper( textctrl ) ;
2603
2604     ControlRef controlFocus = NULL ;
2605     GetKeyboardFocus( m_txnWindow , &controlFocus ) ;
2606     bool wasFocused = ( controlFocus == m_controlRef ) ;
2607
2608     switch (action)
2609     {
2610         case kControlFocusPrevPart:
2611         case kControlFocusNextPart:
2612             MacFocusPaneText( !wasFocused );
2613             focusResult = (!wasFocused ? (ControlPartCode) kControlEditTextPart : (ControlPartCode) kControlFocusNoPart);
2614             break;
2615
2616         case kControlFocusNoPart:
2617         default:
2618             MacFocusPaneText( false );
2619             focusResult = kControlFocusNoPart;
2620             break;
2621     }
2622
2623     return focusResult;
2624 }
2625
2626 void wxMacMLTEClassicControl::MacControlUserPaneBackgroundProc( void *info )
2627 {
2628 }
2629
2630 wxMacMLTEClassicControl::wxMacMLTEClassicControl( wxTextCtrl *wxPeer,
2631                          const wxString& str,
2632                          const wxPoint& pos,
2633                          const wxSize& size, long style ) : wxMacMLTEControl( wxPeer )
2634 {
2635     m_font = wxPeer->GetFont() ;
2636     m_windowStyle = style ;
2637     Rect bounds = wxMacGetBoundsForControl( wxPeer , pos , size ) ;
2638
2639     short featureSet =
2640         kControlSupportsEmbedding | kControlSupportsFocus | kControlWantsIdle
2641         | kControlWantsActivate  | kControlHandlesTracking
2642 //    | kControlHasSpecialBackground
2643         | kControlGetsFocusOnClick | kControlSupportsLiveFeedback;
2644
2645     verify_noerr(
2646         ::CreateUserPaneControl(
2647             MAC_WXHWND(wxPeer->GetParent()->MacGetTopLevelWindowRef()),
2648             &bounds, featureSet, &m_controlRef ) );
2649
2650     DoCreate();
2651
2652     AdjustCreationAttributes( *wxWHITE , true ) ;
2653
2654     MacSetObjectVisibility( wxPeer->MacIsReallyShown() ) ;
2655
2656     {
2657         wxString st = str ;
2658         wxMacConvertNewlines10To13( &st ) ;
2659         wxMacWindowClipper clipper( m_peer ) ;
2660         SetTXNData( st , kTXNStartOffset, kTXNEndOffset ) ;
2661         TXNSetSelection( m_txn, 0, 0 ) ;
2662     }
2663 }
2664
2665 wxMacMLTEClassicControl::~wxMacMLTEClassicControl()
2666 {
2667     TXNDeleteObject( m_txn );
2668     m_txn = NULL ;
2669 }
2670
2671 void wxMacMLTEClassicControl::VisibilityChanged(bool shown)
2672 {
2673     MacSetObjectVisibility( shown ) ;
2674     wxMacControl::VisibilityChanged( shown ) ;
2675 }
2676
2677 void wxMacMLTEClassicControl::SuperChangedPosition()
2678 {
2679     MacUpdatePosition() ;
2680     wxMacControl::SuperChangedPosition() ;
2681 }
2682
2683 #ifdef __WXMAC_OSX__
2684
2685 ControlUserPaneDrawUPP gTPDrawProc = NULL;
2686 ControlUserPaneHitTestUPP gTPHitProc = NULL;
2687 ControlUserPaneTrackingUPP gTPTrackProc = NULL;
2688 ControlUserPaneIdleUPP gTPIdleProc = NULL;
2689 ControlUserPaneKeyDownUPP gTPKeyProc = NULL;
2690 ControlUserPaneActivateUPP gTPActivateProc = NULL;
2691 ControlUserPaneFocusUPP gTPFocusProc = NULL;
2692
2693 static pascal void wxMacControlUserPaneDrawProc(ControlRef control, SInt16 part)
2694 {
2695     wxTextCtrl *textCtrl =  wxDynamicCast( wxFindControlFromMacControl(control) , wxTextCtrl ) ;
2696     wxMacMLTEClassicControl * win = textCtrl ? (wxMacMLTEClassicControl*)(textCtrl->GetPeer()) : NULL ;
2697     if ( win )
2698         win->MacControlUserPaneDrawProc(part) ;
2699 }
2700
2701 static pascal ControlPartCode wxMacControlUserPaneHitTestProc(ControlRef control, Point where)
2702 {
2703     wxTextCtrl *textCtrl =  wxDynamicCast( wxFindControlFromMacControl(control) , wxTextCtrl ) ;
2704     wxMacMLTEClassicControl * win = textCtrl ? (wxMacMLTEClassicControl*)(textCtrl->GetPeer()) : NULL ;
2705     if ( win )
2706         return win->MacControlUserPaneHitTestProc(where.h , where.v) ;
2707     else
2708         return kControlNoPart ;
2709 }
2710
2711 static pascal ControlPartCode wxMacControlUserPaneTrackingProc(ControlRef control, Point startPt, ControlActionUPP actionProc)
2712 {
2713     wxTextCtrl *textCtrl =  wxDynamicCast( wxFindControlFromMacControl(control) , wxTextCtrl ) ;
2714     wxMacMLTEClassicControl * win = textCtrl ? (wxMacMLTEClassicControl*)(textCtrl->GetPeer()) : NULL ;
2715     if ( win )
2716         return win->MacControlUserPaneTrackingProc( startPt.h , startPt.v , (void*) actionProc) ;
2717     else
2718         return kControlNoPart ;
2719 }
2720
2721 static pascal void wxMacControlUserPaneIdleProc(ControlRef control)
2722 {
2723     wxTextCtrl *textCtrl =  wxDynamicCast( wxFindControlFromMacControl(control) , wxTextCtrl ) ;
2724     wxMacMLTEClassicControl * win = textCtrl ? (wxMacMLTEClassicControl*)(textCtrl->GetPeer()) : NULL ;
2725     if ( win )
2726         win->MacControlUserPaneIdleProc() ;
2727 }
2728
2729 static pascal ControlPartCode wxMacControlUserPaneKeyDownProc(ControlRef control, SInt16 keyCode, SInt16 charCode, SInt16 modifiers)
2730 {
2731     wxTextCtrl *textCtrl =  wxDynamicCast( wxFindControlFromMacControl(control) , wxTextCtrl ) ;
2732     wxMacMLTEClassicControl * win = textCtrl ? (wxMacMLTEClassicControl*)(textCtrl->GetPeer()) : NULL ;
2733     if ( win )
2734         return win->MacControlUserPaneKeyDownProc(keyCode,charCode,modifiers) ;
2735     else
2736         return kControlNoPart ;
2737 }
2738
2739 static pascal void wxMacControlUserPaneActivateProc(ControlRef control, Boolean activating)
2740 {
2741     wxTextCtrl *textCtrl =  wxDynamicCast( wxFindControlFromMacControl(control) , wxTextCtrl ) ;
2742     wxMacMLTEClassicControl * win = textCtrl ? (wxMacMLTEClassicControl*)(textCtrl->GetPeer()) : NULL ;
2743     if ( win )
2744         win->MacControlUserPaneActivateProc(activating) ;
2745 }
2746
2747 static pascal ControlPartCode wxMacControlUserPaneFocusProc(ControlRef control, ControlFocusPart action)
2748 {
2749     wxTextCtrl *textCtrl =  wxDynamicCast( wxFindControlFromMacControl(control) , wxTextCtrl ) ;
2750     wxMacMLTEClassicControl * win = textCtrl ? (wxMacMLTEClassicControl*)(textCtrl->GetPeer()) : NULL ;
2751     if ( win )
2752         return win->MacControlUserPaneFocusProc(action) ;
2753     else
2754         return kControlNoPart ;
2755 }
2756
2757 #if 0
2758 static pascal void wxMacControlUserPaneBackgroundProc(ControlRef control, ControlBackgroundPtr info)
2759 {
2760     wxTextCtrl *textCtrl =  wxDynamicCast( wxFindControlFromMacControl(control) , wxTextCtrl ) ;
2761     wxMacMLTEClassicControl * win = textCtrl ? (wxMacMLTEClassicControl*)(textCtrl->GetPeer()) : NULL ;
2762     if ( win )
2763         win->MacControlUserPaneBackgroundProc(info) ;
2764 }
2765 #endif
2766
2767 #endif // __WXMAC_OSX__
2768
2769 // TXNRegisterScrollInfoProc
2770
2771 OSStatus wxMacMLTEClassicControl::DoCreate()
2772 {
2773     Rect bounds;
2774
2775     OSStatus err = noErr ;
2776
2777     // set up our globals
2778 #ifdef __WXMAC_OSX__
2779     if (gTPDrawProc == NULL) gTPDrawProc = NewControlUserPaneDrawUPP(wxMacControlUserPaneDrawProc);
2780     if (gTPHitProc == NULL) gTPHitProc = NewControlUserPaneHitTestUPP(wxMacControlUserPaneHitTestProc);
2781     if (gTPTrackProc == NULL) gTPTrackProc = NewControlUserPaneTrackingUPP(wxMacControlUserPaneTrackingProc);
2782     if (gTPIdleProc == NULL) gTPIdleProc = NewControlUserPaneIdleUPP(wxMacControlUserPaneIdleProc);
2783     if (gTPKeyProc == NULL) gTPKeyProc = NewControlUserPaneKeyDownUPP(wxMacControlUserPaneKeyDownProc);
2784     if (gTPActivateProc == NULL) gTPActivateProc = NewControlUserPaneActivateUPP(wxMacControlUserPaneActivateProc);
2785     if (gTPFocusProc == NULL) gTPFocusProc = NewControlUserPaneFocusUPP(wxMacControlUserPaneFocusProc);
2786
2787     if (gTXNScrollInfoProc == NULL ) gTXNScrollInfoProc = NewTXNScrollInfoUPP(TXNScrollInfoProc) ;
2788     if (gTXNScrollActionProc == NULL ) gTXNScrollActionProc = NewControlActionUPP(TXNScrollActionProc) ;
2789 #endif
2790
2791     // set the initial settings for our private data
2792
2793     m_txnWindow = GetControlOwner(m_controlRef);
2794     m_txnPort = (GrafPtr) GetWindowPort(m_txnWindow);
2795
2796 #ifdef __WXMAC_OSX__
2797     // set up the user pane procedures
2798     SetControlData(m_controlRef, kControlEntireControl, kControlUserPaneDrawProcTag, sizeof(gTPDrawProc), &gTPDrawProc);
2799     SetControlData(m_controlRef, kControlEntireControl, kControlUserPaneHitTestProcTag, sizeof(gTPHitProc), &gTPHitProc);
2800     SetControlData(m_controlRef, kControlEntireControl, kControlUserPaneTrackingProcTag, sizeof(gTPTrackProc), &gTPTrackProc);
2801     SetControlData(m_controlRef, kControlEntireControl, kControlUserPaneIdleProcTag, sizeof(gTPIdleProc), &gTPIdleProc);
2802     SetControlData(m_controlRef, kControlEntireControl, kControlUserPaneKeyDownProcTag, sizeof(gTPKeyProc), &gTPKeyProc);
2803     SetControlData(m_controlRef, kControlEntireControl, kControlUserPaneActivateProcTag, sizeof(gTPActivateProc), &gTPActivateProc);
2804     SetControlData(m_controlRef, kControlEntireControl, kControlUserPaneFocusProcTag, sizeof(gTPFocusProc), &gTPFocusProc);
2805 #endif
2806
2807     // calculate the rectangles used by the control
2808     UMAGetControlBoundsInWindowCoords( m_controlRef, &bounds );
2809
2810     m_txnControlBounds = bounds ;
2811     m_txnVisBounds = bounds ;
2812
2813     CGrafPtr origPort ;
2814     GDHandle origDev ;
2815
2816     GetGWorld( &origPort, &origDev ) ;
2817     SetPort( m_txnPort );
2818
2819     // create the new edit field
2820     TXNFrameOptions frameOptions = FrameOptionsFromWXStyle( m_windowStyle );
2821
2822 #ifdef __WXMAC_OSX__
2823     // the scrollbars are not correctly embedded but are inserted at the root:
2824     // this gives us problems as we have erratic redraws even over the structure area
2825
2826     m_sbHorizontal = 0 ;
2827     m_sbVertical = 0 ;
2828     m_lastHorizontalValue = 0 ;
2829     m_lastVerticalValue = 0 ;
2830
2831     Rect sb = { 0 , 0 , 0 , 0 } ;
2832     if ( frameOptions & kTXNWantVScrollBarMask )
2833     {
2834         CreateScrollBarControl( m_txnWindow, &sb, 0, 0, 100, 1, true, gTXNScrollActionProc, &m_sbVertical );
2835         SetControlReference( m_sbVertical, (SInt32)this );
2836         SetControlAction( m_sbVertical, gTXNScrollActionProc );
2837         ShowControl( m_sbVertical );
2838         EmbedControl( m_sbVertical , m_controlRef );
2839         frameOptions &= ~kTXNWantVScrollBarMask;
2840     }
2841
2842     if ( frameOptions & kTXNWantHScrollBarMask )
2843     {
2844         CreateScrollBarControl( m_txnWindow, &sb, 0, 0, 100, 1, true, gTXNScrollActionProc, &m_sbHorizontal );
2845         SetControlReference( m_sbHorizontal, (SInt32)this );
2846         SetControlAction( m_sbHorizontal, gTXNScrollActionProc );
2847         ShowControl( m_sbHorizontal );
2848         EmbedControl( m_sbHorizontal, m_controlRef );
2849         frameOptions &= ~(kTXNWantHScrollBarMask | kTXNDrawGrowIconMask);
2850     }
2851
2852 #endif
2853
2854     verify_noerr(
2855         TXNNewObject(
2856             NULL, m_txnWindow, &bounds, frameOptions,
2857             kTXNTextEditStyleFrameType, kTXNTextensionFile, kTXNSystemDefaultEncoding,
2858             &m_txn, &m_txnFrameID, NULL ) );
2859
2860 #if 0
2861     TXNControlTag iControlTags[] = { kTXNUseCarbonEvents };
2862     TXNControlData iControlData[] = { { (UInt32)&cInfo } };
2863     int toptag = WXSIZEOF( iControlTags ) ;
2864     TXNCarbonEventInfo cInfo ;
2865     cInfo.useCarbonEvents = false ;
2866     cInfo.filler = 0 ;
2867     cInfo.flags = 0 ;
2868     cInfo.fDictionary = NULL ;
2869
2870     verify_noerr( TXNSetTXNObjectControls( m_txn, false, toptag, iControlTags, iControlData ) );
2871 #endif
2872
2873 #ifdef __WXMAC_OSX__
2874     TXNRegisterScrollInfoProc( m_txn, gTXNScrollInfoProc, (SInt32)this );
2875 #endif
2876
2877     SetGWorld( origPort , origDev ) ;
2878     return err;
2879 }
2880
2881 // ----------------------------------------------------------------------------
2882 // MLTE control implementation (OSX part)
2883 // ----------------------------------------------------------------------------
2884
2885 #if TARGET_API_MAC_OSX
2886
2887 #if MAC_OS_X_VERSION_MAX_ALLOWED > MAC_OS_X_VERSION_10_2
2888
2889 wxMacMLTEHIViewControl::wxMacMLTEHIViewControl( wxTextCtrl *wxPeer,
2890                          const wxString& str,
2891                          const wxPoint& pos,
2892                          const wxSize& size, long style ) : wxMacMLTEControl( wxPeer )
2893 {
2894     m_font = wxPeer->GetFont() ;
2895     m_windowStyle = style ;
2896     Rect bounds = wxMacGetBoundsForControl( wxPeer , pos , size ) ;
2897     wxString st = str ;
2898     wxMacConvertNewlines10To13( &st ) ;
2899
2900     HIRect hr = { { bounds.left , bounds.top} ,
2901                   { bounds.right - bounds.left , bounds.bottom - bounds.top} } ;
2902
2903     m_scrollView = NULL ;
2904     TXNFrameOptions frameOptions = FrameOptionsFromWXStyle( style ) ;
2905     if ( frameOptions & (kTXNWantVScrollBarMask | kTXNWantHScrollBarMask) )
2906     {
2907         HIScrollViewCreate(
2908             (frameOptions & kTXNWantHScrollBarMask ? kHIScrollViewOptionsHorizScroll : 0)
2909             | (frameOptions & kTXNWantVScrollBarMask ? kHIScrollViewOptionsVertScroll : 0) ,
2910             &m_scrollView ) ;
2911
2912         HIViewSetFrame( m_scrollView, &hr );
2913         HIViewSetVisible( m_scrollView, true );
2914     }
2915
2916     m_textView = NULL ;
2917     HITextViewCreate( NULL , 0, frameOptions , &m_textView ) ;
2918     m_txn = HITextViewGetTXNObject( m_textView ) ;
2919     HIViewSetVisible( m_textView , true ) ;
2920     if ( m_scrollView )
2921     {
2922         HIViewAddSubview( m_scrollView , m_textView ) ;
2923         m_controlRef = m_scrollView ;
2924         wxPeer->MacInstallEventHandler( (WXWidget) m_textView ) ;
2925     }
2926     else
2927     {
2928         HIViewSetFrame( m_textView, &hr );
2929         m_controlRef = m_textView ;
2930     }
2931
2932     AdjustCreationAttributes( *wxWHITE , true ) ;
2933
2934     wxMacWindowClipper c( m_peer ) ;
2935     SetTXNData( st , kTXNStartOffset, kTXNEndOffset ) ;
2936
2937     TXNSetSelection( m_txn, 0, 0 );
2938     TXNShowSelection( m_txn, kTXNShowStart );
2939 }
2940
2941 OSStatus wxMacMLTEHIViewControl::SetFocus( ControlFocusPart focusPart )
2942 {
2943     return SetKeyboardFocus( GetControlOwner( m_textView ), m_textView, focusPart ) ;
2944 }
2945
2946 bool wxMacMLTEHIViewControl::HasFocus() const
2947 {
2948     ControlRef control ;
2949     GetKeyboardFocus( GetUserFocusWindow() , &control ) ;
2950     return control == m_textView ;
2951 }
2952
2953 void wxMacMLTEHIViewControl::SetBackground( const wxBrush &brush )
2954 {
2955     wxMacMLTEControl::SetBackground( brush ) ;
2956
2957 #if 0
2958     CGColorSpaceRef rgbSpace = CGColorSpaceCreateDeviceRGB();
2959     RGBColor col = MAC_WXCOLORREF(brush.GetColour().GetPixel()) ;
2960
2961     float component[4] ;
2962     component[0] = col.red / 65536.0 ;
2963     component[1] = col.green / 65536.0 ;
2964     component[2] = col.blue / 65536.0 ;
2965     component[3] = 1.0 ; // alpha
2966
2967     CGColorRef color = CGColorCreate (rgbSpace , component );
2968     HITextViewSetBackgroundColor( m_textView , color ) ;
2969     CGColorSpaceRelease( rgbSpace );
2970 #endif
2971 }
2972
2973 #endif // MAC_OS_X_VERSION_MAX_ALLOWED > MAC_OS_X_VERSION_10_2
2974
2975
2976 #endif
2977
2978 #endif // wxUSE_TEXTCTRL