src/mac/carbon/textctrl.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/mac/carbon/textctrl.cpp
   3 // Purpose:     wxTextCtrl
   4 // Author:      Stefan Csomor
   5 // Modified by: Ryan Norton (MLTE GetLineLength and GetLineText)
   6 // Created:     1998-01-01
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Stefan Csomor
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #include "wx/wxprec.h"
  13
  14 #if wxUSE_TEXTCTRL
  15
  16 #include "wx/textctrl.h"
  17
  18 #ifndef WX_PRECOMP
  19     #include "wx/intl.h"
  20     #include "wx/app.h"
  21     #include "wx/utils.h"
  22     #include "wx/dc.h"
  23     #include "wx/button.h"
  24     #include "wx/menu.h"
  25     #include "wx/settings.h"
  26     #include "wx/msgdlg.h"
  27     #include "wx/toplevel.h"
  28 #endif
  29
  30 #ifdef __DARWIN__
  31     #include <sys/types.h>
  32     #include <sys/stat.h>
  33 #else
  34     #include <stat.h>
  35 #endif
  36
  37 #if wxUSE_STD_IOSTREAM
  38     #if wxUSE_IOSTREAMH
  39         #include <fstream.h>
  40     #else
  41         #include <fstream>
  42     #endif
  43 #endif
  44
  45 #include "wx/filefn.h"
  46 #include "wx/sysopt.h"
  47
  48 #include "wx/mac/uma.h"
  49 #include "wx/mac/carbon/private/mactext.h"
  50
  51 class wxMacFunctor
  52 {
  53 public :
  54     wxMacFunctor() {}
  55     virtual ~wxMacFunctor() {}
  56
  57     virtual void* operator()() = 0 ;
  58
  59     static void* CallBackProc( void *param )
  60     {
  61         wxMacFunctor* f = (wxMacFunctor*) param ;
  62         void *result = (*f)() ;
  63         return result ;
  64     }
  65 } ;
  66
  67 template<typename classtype, typename param1type>
  68
  69 class wxMacObjectFunctor1 : public wxMacFunctor
  70 {
  71     typedef void (classtype::*function)( param1type p1 ) ;
  72     typedef void (classtype::*ref_function)( const param1type& p1 ) ;
  73 public :
  74     wxMacObjectFunctor1( classtype *obj , function f , param1type p1 ) :
  75         wxMacFunctor()
  76     {
  77         m_object = obj ;
  78         m_function = f ;
  79         m_param1 = p1 ;
  80     }
  81
  82     wxMacObjectFunctor1( classtype *obj , ref_function f , param1type p1 ) :
  83         wxMacFunctor()
  84     {
  85         m_object = obj ;
  86         m_refFunction = f ;
  87         m_param1 = p1 ;
  88     }
  89
  90     virtual ~wxMacObjectFunctor1() {}
  91
  92     virtual void* operator()()
  93     {
  94         (m_object->*m_function)( m_param1 ) ;
  95         return NULL ;
  96     }
  97
  98 private :
  99     classtype* m_object ;
 100     param1type m_param1 ;
 101     union
 102     {
 103         function m_function ;
 104         ref_function m_refFunction ;
 105     } ;
 106 } ;
 107
 108 template<typename classtype, typename param1type>
 109 void* wxMacMPRemoteCall( classtype *object , void (classtype::*function)( param1type p1 ) , param1type p1 )
 110 {
 111     wxMacObjectFunctor1<classtype, param1type> params(object, function, p1) ;
 112     void *result =
 113         MPRemoteCall( wxMacFunctor::CallBackProc , &params , kMPOwningProcessRemoteContext ) ;
 114     return result ;
 115 }
 116
 117 template<typename classtype, typename param1type>
 118 void* wxMacMPRemoteCall( classtype *object , void (classtype::*function)( const param1type& p1 ) , param1type p1 )
 119 {
 120     wxMacObjectFunctor1<classtype,param1type> params(object, function, p1) ;
 121     void *result =
 122         MPRemoteCall( wxMacFunctor::CallBackProc , &params , kMPOwningProcessRemoteContext ) ;
 123     return result ;
 124 }
 125
 126 template<typename classtype, typename param1type>
 127 void* wxMacMPRemoteGUICall( classtype *object , void (classtype::*function)( param1type p1 ) , param1type p1 )
 128 {
 129     wxMutexGuiLeave() ;
 130     void *result = wxMacMPRemoteCall( object , function , p1 ) ;
 131     wxMutexGuiEnter() ;
 132     return result ;
 133 }
 134
 135 template<typename classtype, typename param1type>
 136 void* wxMacMPRemoteGUICall( classtype *object , void (classtype::*function)( const param1type& p1 ) , param1type p1 )
 137 {
 138     wxMutexGuiLeave() ;
 139     void *result = wxMacMPRemoteCall( object , function , p1 ) ;
 140     wxMutexGuiEnter() ;
 141     return result ;
 142 }
 143
 144
 145 // common parts for implementations based on MLTE
 146
 147 class wxMacMLTEControl : public wxMacTextControl
 148 {
 149 public :
 150     wxMacMLTEControl( wxTextCtrl *peer ) ;
 151
 152     virtual wxString GetStringValue() const ;
 153     virtual void SetStringValue( const wxString &str ) ;
 154
 155     static TXNFrameOptions FrameOptionsFromWXStyle( long wxStyle ) ;
 156
 157     void AdjustCreationAttributes( const wxColour& background, bool visible ) ;
 158
 159     virtual void SetFont( const wxFont & font, const wxColour& foreground, long windowStyle ) ;
 160     virtual void SetBackground( const wxBrush &brush ) ;
 161     virtual void SetStyle( long start, long end, const wxTextAttr& style ) ;
 162     virtual void Copy() ;
 163     virtual void Cut() ;
 164     virtual void Paste() ;
 165     virtual bool CanPaste() const ;
 166     virtual void SetEditable( bool editable ) ;
 167     virtual wxTextPos GetLastPosition() const ;
 168     virtual void Replace( long from, long to, const wxString &str ) ;
 169     virtual void Remove( long from, long to ) ;
 170     virtual void GetSelection( long* from, long* to ) const ;
 171     virtual void SetSelection( long from, long to ) ;
 172
 173     virtual void WriteText( const wxString& str ) ;
 174
 175     virtual bool HasOwnContextMenu() const
 176     {
 177         TXNCommandEventSupportOptions options ;
 178         TXNGetCommandEventSupport( m_txn , & options ) ;
 179         return options & kTXNSupportEditCommandProcessing ;
 180     }
 181
 182     virtual void CheckSpelling(bool check)
 183     {
 184         TXNSetSpellCheckAsYouType( m_txn, (Boolean) check );
 185     }
 186     virtual void Clear() ;
 187
 188     virtual bool CanUndo() const ;
 189     virtual void Undo() ;
 190     virtual bool CanRedo()  const;
 191     virtual void Redo() ;
 192     virtual int GetNumberOfLines() const ;
 193     virtual long XYToPosition(long x, long y) const ;
 194     virtual bool PositionToXY(long pos, long *x, long *y) const ;
 195     virtual void ShowPosition( long pos ) ;
 196     virtual int GetLineLength(long lineNo) const ;
 197     virtual wxString GetLineText(long lineNo) const ;
 198
 199     void SetTXNData( const wxString& st , TXNOffset start , TXNOffset end ) ;
 200     TXNObject GetTXNObject() { return m_txn ; }
 201
 202 protected :
 203     void TXNSetAttribute( const wxTextAttr& style , long from , long to ) ;
 204
 205     TXNObject m_txn ;
 206 } ;
 207
 208 // implementation available under OSX
 209
 210 class wxMacMLTEHIViewControl : public wxMacMLTEControl
 211 {
 212 public :
 213     wxMacMLTEHIViewControl( wxTextCtrl *wxPeer,
 214                              const wxString& str,
 215                              const wxPoint& pos,
 216                              const wxSize& size, long style ) ;
 217     virtual ~wxMacMLTEHIViewControl() ;
 218
 219     virtual OSStatus SetFocus( ControlFocusPart focusPart ) ;
 220     virtual bool HasFocus() const ;
 221     virtual void SetBackground( const wxBrush &brush) ;
 222
 223 protected :
 224     HIViewRef m_scrollView ;
 225     HIViewRef m_textView ;
 226 };
 227
 228 // 'classic' MLTE implementation
 229
 230 class wxMacMLTEClassicControl : public wxMacMLTEControl
 231 {
 232 public :
 233     wxMacMLTEClassicControl( wxTextCtrl *wxPeer,
 234                              const wxString& str,
 235                              const wxPoint& pos,
 236                              const wxSize& size, long style ) ;
 237     virtual ~wxMacMLTEClassicControl() ;
 238
 239     virtual void VisibilityChanged(bool shown) ;
 240     virtual void SuperChangedPosition() ;
 241
 242     virtual void            MacControlUserPaneDrawProc(wxInt16 part) ;
 243     virtual wxInt16         MacControlUserPaneHitTestProc(wxInt16 x, wxInt16 y) ;
 244     virtual wxInt16         MacControlUserPaneTrackingProc(wxInt16 x, wxInt16 y, void* actionProc) ;
 245     virtual void            MacControlUserPaneIdleProc() ;
 246     virtual wxInt16         MacControlUserPaneKeyDownProc(wxInt16 keyCode, wxInt16 charCode, wxInt16 modifiers) ;
 247     virtual void            MacControlUserPaneActivateProc(bool activating) ;
 248     virtual wxInt16         MacControlUserPaneFocusProc(wxInt16 action) ;
 249     virtual void            MacControlUserPaneBackgroundProc(void* info) ;
 250
 251     virtual bool SetupCursor( const wxPoint& WXUNUSED(pt) )
 252     {
 253         MacControlUserPaneIdleProc();
 254         return true;
 255     }
 256
 257     virtual void            SetRect( Rect *r ) ;
 258
 259 protected :
 260     OSStatus                 DoCreate();
 261
 262     void                    MacUpdatePosition() ;
 263     void                    MacActivatePaneText(bool setActive) ;
 264     void                    MacFocusPaneText(bool setFocus) ;
 265     void                    MacSetObjectVisibility(bool vis) ;
 266
 267 private :
 268     TXNFrameID              m_txnFrameID ;
 269     GrafPtr                 m_txnPort ;
 270     WindowRef               m_txnWindow ;
 271     // bounds of the control as we last did set the txn frames
 272     Rect                    m_txnControlBounds ;
 273     Rect                    m_txnVisBounds ;
 274
 275     static pascal void TXNScrollActionProc( ControlRef controlRef , ControlPartCode partCode ) ;
 276     static pascal void TXNScrollInfoProc(
 277         SInt32 iValue, SInt32 iMaximumValue,
 278         TXNScrollBarOrientation iScrollBarOrientation, SInt32 iRefCon ) ;
 279
 280     ControlRef              m_sbHorizontal ;
 281     SInt32                  m_lastHorizontalValue ;
 282     ControlRef              m_sbVertical ;
 283     SInt32                  m_lastVerticalValue ;
 284 };
 285
 286
 287 IMPLEMENT_DYNAMIC_CLASS(wxTextCtrl, wxTextCtrlBase)
 288
 289 BEGIN_EVENT_TABLE(wxTextCtrl, wxTextCtrlBase)
 290     EVT_ERASE_BACKGROUND( wxTextCtrl::OnEraseBackground )
 291     EVT_DROP_FILES(wxTextCtrl::OnDropFiles)
 292     EVT_CHAR(wxTextCtrl::OnChar)
 293     EVT_MENU(wxID_CUT, wxTextCtrl::OnCut)
 294     EVT_MENU(wxID_COPY, wxTextCtrl::OnCopy)
 295     EVT_MENU(wxID_PASTE, wxTextCtrl::OnPaste)
 296     EVT_MENU(wxID_UNDO, wxTextCtrl::OnUndo)
 297     EVT_MENU(wxID_REDO, wxTextCtrl::OnRedo)
 298     EVT_MENU(wxID_CLEAR, wxTextCtrl::OnDelete)
 299     EVT_MENU(wxID_SELECTALL, wxTextCtrl::OnSelectAll)
 300
 301     EVT_CONTEXT_MENU(wxTextCtrl::OnContextMenu)
 302
 303     EVT_UPDATE_UI(wxID_CUT, wxTextCtrl::OnUpdateCut)
 304     EVT_UPDATE_UI(wxID_COPY, wxTextCtrl::OnUpdateCopy)
 305     EVT_UPDATE_UI(wxID_PASTE, wxTextCtrl::OnUpdatePaste)
 306     EVT_UPDATE_UI(wxID_UNDO, wxTextCtrl::OnUpdateUndo)
 307     EVT_UPDATE_UI(wxID_REDO, wxTextCtrl::OnUpdateRedo)
 308     EVT_UPDATE_UI(wxID_CLEAR, wxTextCtrl::OnUpdateDelete)
 309     EVT_UPDATE_UI(wxID_SELECTALL, wxTextCtrl::OnUpdateSelectAll)
 310 END_EVENT_TABLE()
 311
 312
 313 void wxTextCtrl::Init()
 314 {
 315     m_editable = true ;
 316     m_dirty = false;
 317
 318     m_maxLength = 0;
 319     m_privateContextMenu = NULL;
 320     m_triggerOnSetValue = true ;
 321 }
 322
 323 wxTextCtrl::~wxTextCtrl()
 324 {
 325     delete m_privateContextMenu;
 326 }
 327
 328 bool wxTextCtrl::Create( wxWindow *parent,
 329     wxWindowID id,
 330     const wxString& str,
 331     const wxPoint& pos,
 332     const wxSize& size,
 333     long style,
 334     const wxValidator& validator,
 335     const wxString& name )
 336 {
 337     m_macIsUserPane = false ;
 338     m_editable = true ;
 339
 340     if ( ! (style & wxNO_BORDER) )
 341         style = (style & ~wxBORDER_MASK) | wxSUNKEN_BORDER ;
 342
 343     if ( !wxTextCtrlBase::Create( parent, id, pos, size, style & ~(wxHSCROLL | wxVSCROLL), validator, name ) )
 344         return false;
 345
 346     if ( m_windowStyle & wxTE_MULTILINE )
 347     {
 348         // always turn on this style for multi-line controls
 349         m_windowStyle |= wxTE_PROCESS_ENTER;
 350         style |= wxTE_PROCESS_ENTER ;
 351     }
 352
 353     CreatePeer( str, pos, size, style );
 354
 355     MacPostControlCreate(pos, size) ;
 356
 357     // only now the embedding is correct and we can do a positioning update
 358
 359     MacSuperChangedPosition() ;
 360
 361     if ( m_windowStyle & wxTE_READONLY)
 362         SetEditable( false ) ;
 363
 364     SetCursor( wxCursor( wxCURSOR_IBEAM ) ) ;
 365
 366     return true;
 367 }
 368
 369 void wxTextCtrl::CreatePeer(
 370            const wxString& str,
 371            const wxPoint& pos,
 372            const wxSize& size, long style )
 373 {
 374     bool forceMLTE = false ;
 375
 376 #if wxUSE_SYSTEM_OPTIONS
 377     if (wxSystemOptions::HasOption( wxMAC_TEXTCONTROL_USE_MLTE ) && (wxSystemOptions::GetOptionInt( wxMAC_TEXTCONTROL_USE_MLTE ) == 1))
 378     {
 379         forceMLTE = true ;
 380     }
 381 #endif
 382
 383     if ( UMAGetSystemVersion() >= 0x1050 )
 384         forceMLTE = false;
 385
 386     if ( !forceMLTE )
 387     {
 388         if ( m_windowStyle & wxTE_MULTILINE )
 389             m_peer = new wxMacMLTEHIViewControl( this , str , pos , size , style ) ;
 390     }
 391
 392     if ( !m_peer )
 393     {
 394         if ( !(m_windowStyle & wxTE_MULTILINE) && !forceMLTE )
 395         {
 396             m_peer = new wxMacUnicodeTextControl( this , str , pos , size , style ) ;
 397         }
 398     }
 399
 400     // the horizontal single line scrolling bug that made us keep the classic implementation
 401     // is fixed in 10.5
 402 #if MAC_OS_X_VERSION_MIN_REQUIRED < MAC_OS_X_VERSION_10_5
 403     if ( !m_peer )
 404         m_peer = new wxMacMLTEClassicControl( this , str , pos , size , style ) ;
 405 #endif
 406 }
 407
 408 void wxTextCtrl::MacSuperChangedPosition()
 409 {
 410     wxWindow::MacSuperChangedPosition() ;
 411     GetPeer()->SuperChangedPosition() ;
 412 }
 413
 414 void wxTextCtrl::MacVisibilityChanged()
 415 {
 416     GetPeer()->VisibilityChanged( MacIsReallyShown() ) ;
 417 }
 418
 419 void wxTextCtrl::MacCheckSpelling(bool check)
 420 {
 421     GetPeer()->CheckSpelling(check);
 422 }
 423
 424 wxString wxTextCtrl::GetValue() const
 425 {
 426     return GetPeer()->GetStringValue() ;
 427 }
 428
 429 void wxTextCtrl::GetSelection(long* from, long* to) const
 430 {
 431     GetPeer()->GetSelection( from , to ) ;
 432 }
 433
 434 void wxTextCtrl::DoSetValue(const wxString& str, int flags)
 435 {
 436     // optimize redraws
 437     if ( GetValue() == str )
 438         return;
 439
 440     GetPeer()->SetStringValue( str ) ;
 441
 442     if ( (flags & SetValue_SendEvent) && m_triggerOnSetValue )
 443     {
 444         SendTextUpdatedEvent();
 445     }
 446 }
 447
 448 void wxTextCtrl::SetMaxLength(unsigned long len)
 449 {
 450     m_maxLength = len ;
 451 }
 452
 453 bool wxTextCtrl::SetFont( const wxFont& font )
 454 {
 455     if ( !wxTextCtrlBase::SetFont( font ) )
 456         return false ;
 457
 458     GetPeer()->SetFont( font , GetForegroundColour() , GetWindowStyle() ) ;
 459
 460     return true ;
 461 }
 462
 463 bool wxTextCtrl::SetStyle(long start, long end, const wxTextAttr& style)
 464 {
 465     GetPeer()->SetStyle( start , end , style ) ;
 466
 467     return true ;
 468 }
 469
 470 bool wxTextCtrl::SetDefaultStyle(const wxTextAttr& style)
 471 {
 472     wxTextCtrlBase::SetDefaultStyle( style ) ;
 473     SetStyle( kTXNUseCurrentSelection , kTXNUseCurrentSelection , GetDefaultStyle() ) ;
 474
 475     return true ;
 476 }
 477
 478 // Clipboard operations
 479
 480 void wxTextCtrl::Copy()
 481 {
 482     if (CanCopy())
 483         GetPeer()->Copy() ;
 484 }
 485
 486 void wxTextCtrl::Cut()
 487 {
 488     if (CanCut())
 489     {
 490         GetPeer()->Cut() ;
 491
 492         wxCommandEvent event( wxEVT_COMMAND_TEXT_UPDATED, m_windowId );
 493         event.SetEventObject( this );
 494         GetEventHandler()->ProcessEvent( event );
 495       }
 496 }
 497
 498 void wxTextCtrl::Paste()
 499 {
 500     if (CanPaste())
 501     {
 502         GetPeer()->Paste() ;
 503
 504         // TODO: eventually we should add setting the default style again
 505
 506         wxCommandEvent event( wxEVT_COMMAND_TEXT_UPDATED, m_windowId );
 507         event.SetEventObject( this );
 508         GetEventHandler()->ProcessEvent( event );
 509     }
 510 }
 511
 512 bool wxTextCtrl::CanCopy() const
 513 {
 514     // Can copy if there's a selection
 515     long from, to;
 516     GetSelection( &from, &to );
 517
 518     return (from != to);
 519 }
 520
 521 bool wxTextCtrl::CanCut() const
 522 {
 523     if ( !IsEditable() )
 524         return false;
 525
 526     // Can cut if there's a selection
 527     long from, to;
 528     GetSelection( &from, &to );
 529
 530     return (from != to);
 531 }
 532
 533 bool wxTextCtrl::CanPaste() const
 534 {
 535     if (!IsEditable())
 536         return false;
 537
 538     return GetPeer()->CanPaste() ;
 539 }
 540
 541 void wxTextCtrl::SetEditable(bool editable)
 542 {
 543     if ( editable != m_editable )
 544     {
 545         m_editable = editable ;
 546         GetPeer()->SetEditable( editable ) ;
 547     }
 548 }
 549
 550 void wxTextCtrl::SetInsertionPoint(long pos)
 551 {
 552     SetSelection( pos , pos ) ;
 553 }
 554
 555 void wxTextCtrl::SetInsertionPointEnd()
 556 {
 557     wxTextPos pos = GetLastPosition();
 558     SetInsertionPoint( pos );
 559 }
 560
 561 long wxTextCtrl::GetInsertionPoint() const
 562 {
 563     long begin, end ;
 564     GetSelection( &begin , &end ) ;
 565
 566     return begin ;
 567 }
 568
 569 wxTextPos wxTextCtrl::GetLastPosition() const
 570 {
 571     return GetPeer()->GetLastPosition() ;
 572 }
 573
 574 void wxTextCtrl::Replace(long from, long to, const wxString& str)
 575 {
 576     GetPeer()->Replace( from , to , str ) ;
 577 }
 578
 579 void wxTextCtrl::Remove(long from, long to)
 580 {
 581     GetPeer()->Remove( from , to ) ;
 582 }
 583
 584 void wxTextCtrl::SetSelection(long from, long to)
 585 {
 586     GetPeer()->SetSelection( from , to ) ;
 587 }
 588
 589 void wxTextCtrl::WriteText(const wxString& str)
 590 {
 591     // TODO: this MPRemoting will be moved into a remoting peer proxy for any command
 592     if ( !wxIsMainThread() )
 593     {
 594         // unfortunately CW 8 is not able to correctly deduce the template types,
 595         // so we have to instantiate explicitly
 596         wxMacMPRemoteGUICall<wxTextCtrl,wxString>( this , &wxTextCtrl::WriteText , str ) ;
 597
 598         return ;
 599     }
 600
 601     GetPeer()->WriteText( str ) ;
 602 }
 603
 604 void wxTextCtrl::AppendText(const wxString& text)
 605 {
 606     SetInsertionPointEnd();
 607     WriteText( text );
 608 }
 609
 610 void wxTextCtrl::Clear()
 611 {
 612     GetPeer()->Clear() ;
 613 }
 614
 615 bool wxTextCtrl::IsModified() const
 616 {
 617     return m_dirty;
 618 }
 619
 620 bool wxTextCtrl::IsEditable() const
 621 {
 622     return IsEnabled() && m_editable ;
 623 }
 624
 625 bool wxTextCtrl::AcceptsFocus() const
 626 {
 627     // we don't want focus if we can't be edited
 628     return /*IsEditable() && */ wxControl::AcceptsFocus();
 629 }
 630
 631 wxSize wxTextCtrl::DoGetBestSize() const
 632 {
 633     int wText, hText;
 634
 635     // these are the numbers from the HIG:
 636     // we reduce them by the borders first
 637     wText = 100 ;
 638
 639     switch ( m_windowVariant )
 640     {
 641         case wxWINDOW_VARIANT_NORMAL :
 642             hText = 22 - 6 ;
 643             break ;
 644
 645         case wxWINDOW_VARIANT_SMALL :
 646             hText = 19 - 6 ;
 647             break ;
 648
 649         case wxWINDOW_VARIANT_MINI :
 650             hText = 15 - 6 ;
 651             break ;
 652
 653         default :
 654             hText = 22 - 6;
 655             break ;
 656     }
 657
 658     // as the above numbers have some free space around the text
 659     // we get 5 lines like this anyway
 660     if ( m_windowStyle & wxTE_MULTILINE )
 661          hText *= 5 ;
 662
 663     if ( !HasFlag(wxNO_BORDER) )
 664         hText += 6 ;
 665
 666     return wxSize(wText, hText);
 667 }
 668
 669 // ----------------------------------------------------------------------------
 670 // Undo/redo
 671 // ----------------------------------------------------------------------------
 672
 673 void wxTextCtrl::Undo()
 674 {
 675     if (CanUndo())
 676         GetPeer()->Undo() ;
 677 }
 678
 679 void wxTextCtrl::Redo()
 680 {
 681     if (CanRedo())
 682         GetPeer()->Redo() ;
 683 }
 684
 685 bool wxTextCtrl::CanUndo() const
 686 {
 687     if ( !IsEditable() )
 688         return false ;
 689
 690     return GetPeer()->CanUndo() ;
 691 }
 692
 693 bool wxTextCtrl::CanRedo() const
 694 {
 695     if ( !IsEditable() )
 696         return false ;
 697
 698     return GetPeer()->CanRedo() ;
 699 }
 700
 701 void wxTextCtrl::MarkDirty()
 702 {
 703     m_dirty = true;
 704 }
 705
 706 void wxTextCtrl::DiscardEdits()
 707 {
 708     m_dirty = false;
 709 }
 710
 711 int wxTextCtrl::GetNumberOfLines() const
 712 {
 713     return GetPeer()->GetNumberOfLines() ;
 714 }
 715
 716 long wxTextCtrl::XYToPosition(long x, long y) const
 717 {
 718     return GetPeer()->XYToPosition( x , y ) ;
 719 }
 720
 721 bool wxTextCtrl::PositionToXY(long pos, long *x, long *y) const
 722 {
 723     return GetPeer()->PositionToXY( pos , x , y ) ;
 724 }
 725
 726 void wxTextCtrl::ShowPosition(long pos)
 727 {
 728     return GetPeer()->ShowPosition(pos) ;
 729 }
 730
 731 int wxTextCtrl::GetLineLength(long lineNo) const
 732 {
 733     return GetPeer()->GetLineLength(lineNo) ;
 734 }
 735
 736 wxString wxTextCtrl::GetLineText(long lineNo) const
 737 {
 738     return GetPeer()->GetLineText(lineNo) ;
 739 }
 740
 741 void wxTextCtrl::Command(wxCommandEvent & event)
 742 {
 743     SetValue(event.GetString());
 744     ProcessCommand(event);
 745 }
 746
 747 void wxTextCtrl::OnDropFiles(wxDropFilesEvent& event)
 748 {
 749     // By default, load the first file into the text window.
 750     if (event.GetNumberOfFiles() > 0)
 751         LoadFile( event.GetFiles()[0] );
 752 }
 753
 754 void wxTextCtrl::OnEraseBackground(wxEraseEvent& event)
 755 {
 756     // all erasing should be done by the real mac control implementation
 757     // while this is true for MLTE under classic, the HITextView is somehow
 758     // transparent but background erase is not working correctly, so intercept
 759     // things while we can...
 760     event.Skip() ;
 761 }
 762
 763 void wxTextCtrl::OnChar(wxKeyEvent& event)
 764 {
 765     int key = event.GetKeyCode() ;
 766     bool eat_key = false ;
 767
 768     if ( key == 'a' && event.MetaDown() )
 769     {
 770         SelectAll() ;
 771
 772         return ;
 773     }
 774
 775     if ( key == 'c' && event.MetaDown() )
 776     {
 777         if ( CanCopy() )
 778             Copy() ;
 779
 780         return ;
 781     }
 782
 783     if ( !IsEditable() && key != WXK_LEFT && key != WXK_RIGHT && key != WXK_DOWN && key != WXK_UP && key != WXK_TAB &&
 784         !( key == WXK_RETURN && ( (m_windowStyle & wxTE_PROCESS_ENTER) || (m_windowStyle & wxTE_MULTILINE) ) )
 785 //        && key != WXK_PAGEUP && key != WXK_PAGEDOWN && key != WXK_HOME && key != WXK_END
 786         )
 787     {
 788         // eat it
 789         return ;
 790     }
 791
 792     // Check if we have reached the max # of chars (if it is set), but still
 793     // allow navigation and deletion
 794     if ( !IsMultiLine() && m_maxLength && GetValue().length() >= m_maxLength &&
 795         key != WXK_LEFT && key != WXK_RIGHT && key != WXK_TAB &&
 796         key != WXK_BACK && !( key == WXK_RETURN && (m_windowStyle & wxTE_PROCESS_ENTER) )
 797        )
 798     {
 799         // eat it, we don't want to add more than allowed # of characters
 800
 801         // TODO: generate EVT_TEXT_MAXLEN()
 802         return;
 803     }
 804
 805     // assume that any key not processed yet is going to modify the control
 806     m_dirty = true;
 807
 808     if ( key == 'v' && event.MetaDown() )
 809     {
 810         if ( CanPaste() )
 811             Paste() ;
 812
 813         return ;
 814     }
 815
 816     if ( key == 'x' && event.MetaDown() )
 817     {
 818         if ( CanCut() )
 819             Cut() ;
 820
 821         return ;
 822     }
 823
 824     switch ( key )
 825     {
 826         case WXK_RETURN:
 827             if (m_windowStyle & wxTE_PROCESS_ENTER)
 828             {
 829                 wxCommandEvent event(wxEVT_COMMAND_TEXT_ENTER, m_windowId);
 830                 event.SetEventObject( this );
 831                 event.SetString( GetValue() );
 832                 if ( GetEventHandler()->ProcessEvent(event) )
 833                     return;
 834             }
 835
 836             if ( !(m_windowStyle & wxTE_MULTILINE) )
 837             {
 838                 wxTopLevelWindow *tlw = wxDynamicCast(wxGetTopLevelParent(this), wxTopLevelWindow);
 839                 if ( tlw && tlw->GetDefaultItem() )
 840                 {
 841                     wxButton *def = wxDynamicCast(tlw->GetDefaultItem(), wxButton);
 842                     if ( def && def->IsEnabled() )
 843                     {
 844                         wxCommandEvent event(wxEVT_COMMAND_BUTTON_CLICKED, def->GetId() );
 845                         event.SetEventObject(def);
 846                         def->Command(event);
 847
 848                         return ;
 849                     }
 850                 }
 851
 852                 // this will make wxWidgets eat the ENTER key so that
 853                 // we actually prevent line wrapping in a single line text control
 854                 eat_key = true;
 855             }
 856             break;
 857
 858         case WXK_TAB:
 859             if ( !(m_windowStyle & wxTE_PROCESS_TAB))
 860             {
 861                 int flags = 0;
 862                 if (!event.ShiftDown())
 863                     flags |= wxNavigationKeyEvent::IsForward ;
 864                 if (event.ControlDown())
 865                     flags |= wxNavigationKeyEvent::WinChange ;
 866                 Navigate(flags);
 867
 868                 return;
 869             }
 870             else
 871             {
 872                 // This is necessary (don't know why);
 873                 // otherwise the tab will not be inserted.
 874                 WriteText(wxT("\t"));
 875                 eat_key = true;
 876             }
 877             break;
 878
 879         default:
 880             break;
 881     }
 882
 883     if (!eat_key)
 884     {
 885         // perform keystroke handling
 886         event.Skip(true) ;
 887     }
 888
 889     if ( ( key >= 0x20 && key < WXK_START ) ||
 890          ( key >= WXK_NUMPAD0 && key <= WXK_DIVIDE ) ||
 891          key == WXK_RETURN ||
 892          key == WXK_DELETE ||
 893          key == WXK_BACK)
 894     {
 895         wxCommandEvent event1(wxEVT_COMMAND_TEXT_UPDATED, m_windowId);
 896         event1.SetEventObject( this );
 897         wxPostEvent( GetEventHandler(), event1 );
 898     }
 899 }
 900
 901 // ----------------------------------------------------------------------------
 902 // standard handlers for standard edit menu events
 903 // ----------------------------------------------------------------------------
 904
 905 void wxTextCtrl::OnCut(wxCommandEvent& WXUNUSED(event))
 906 {
 907     Cut();
 908 }
 909
 910 void wxTextCtrl::OnCopy(wxCommandEvent& WXUNUSED(event))
 911 {
 912     Copy();
 913 }
 914
 915 void wxTextCtrl::OnPaste(wxCommandEvent& WXUNUSED(event))
 916 {
 917     Paste();
 918 }
 919
 920 void wxTextCtrl::OnUndo(wxCommandEvent& WXUNUSED(event))
 921 {
 922     Undo();
 923 }
 924
 925 void wxTextCtrl::OnRedo(wxCommandEvent& WXUNUSED(event))
 926 {
 927     Redo();
 928 }
 929
 930 void wxTextCtrl::OnDelete(wxCommandEvent& WXUNUSED(event))
 931 {
 932     long from, to;
 933
 934     GetSelection( &from, &to );
 935     if (from != -1 && to != -1)
 936         Remove( from, to );
 937 }
 938
 939 void wxTextCtrl::OnSelectAll(wxCommandEvent& WXUNUSED(event))
 940 {
 941     SetSelection(-1, -1);
 942 }
 943
 944 void wxTextCtrl::OnUpdateCut(wxUpdateUIEvent& event)
 945 {
 946     event.Enable( CanCut() );
 947 }
 948
 949 void wxTextCtrl::OnUpdateCopy(wxUpdateUIEvent& event)
 950 {
 951     event.Enable( CanCopy() );
 952 }
 953
 954 void wxTextCtrl::OnUpdatePaste(wxUpdateUIEvent& event)
 955 {
 956     event.Enable( CanPaste() );
 957 }
 958
 959 void wxTextCtrl::OnUpdateUndo(wxUpdateUIEvent& event)
 960 {
 961     event.Enable( CanUndo() );
 962 }
 963
 964 void wxTextCtrl::OnUpdateRedo(wxUpdateUIEvent& event)
 965 {
 966     event.Enable( CanRedo() );
 967 }
 968
 969 void wxTextCtrl::OnUpdateDelete(wxUpdateUIEvent& event)
 970 {
 971     long from, to;
 972
 973     GetSelection( &from, &to );
 974     event.Enable( from != -1 && to != -1 && from != to && IsEditable() ) ;
 975 }
 976
 977 void wxTextCtrl::OnUpdateSelectAll(wxUpdateUIEvent& event)
 978 {
 979     event.Enable(GetLastPosition() > 0);
 980 }
 981
 982 // CS: Context Menus only work with MLTE implementations or non-multiline HIViews at the moment
 983
 984 void wxTextCtrl::OnContextMenu(wxContextMenuEvent& event)
 985 {
 986     if ( GetPeer()->HasOwnContextMenu() )
 987     {
 988         event.Skip() ;
 989         return ;
 990     }
 991
 992     if (m_privateContextMenu == NULL)
 993     {
 994         m_privateContextMenu = new wxMenu;
 995         m_privateContextMenu->Append(wxID_UNDO, _("&Undo"));
 996         m_privateContextMenu->Append(wxID_REDO, _("&Redo"));
 997         m_privateContextMenu->AppendSeparator();
 998         m_privateContextMenu->Append(wxID_CUT, _("Cu&t"));
 999         m_privateContextMenu->Append(wxID_COPY, _("&Copy"));
1000         m_privateContextMenu->Append(wxID_PASTE, _("&Paste"));
1001         m_privateContextMenu->Append(wxID_CLEAR, _("&Delete"));
1002         m_privateContextMenu->AppendSeparator();
1003         m_privateContextMenu->Append(wxID_SELECTALL, _("Select &All"));
1004     }
1005
1006     if (m_privateContextMenu != NULL)
1007         PopupMenu(m_privateContextMenu);
1008 }
1009
1010 bool wxTextCtrl::MacSetupCursor( const wxPoint& pt )
1011 {
1012     if ( !GetPeer()->SetupCursor( pt ) )
1013         return wxWindow::MacSetupCursor( pt ) ;
1014     else
1015         return true ;
1016 }
1017
1018 // ----------------------------------------------------------------------------
1019 // implementation base class
1020 // ----------------------------------------------------------------------------
1021
1022 wxMacTextControl::wxMacTextControl(wxTextCtrl* peer) :
1023     wxMacControl( peer )
1024 {
1025 }
1026
1027 wxMacTextControl::~wxMacTextControl()
1028 {
1029 }
1030
1031 void wxMacTextControl::SetStyle(long WXUNUSED(start),
1032                                 long WXUNUSED(end),
1033                                 const wxTextAttr& WXUNUSED(style))
1034 {
1035 }
1036
1037 void wxMacTextControl::Copy()
1038 {
1039 }
1040
1041 void wxMacTextControl::Cut()
1042 {
1043 }
1044
1045 void wxMacTextControl::Paste()
1046 {
1047 }
1048
1049 bool wxMacTextControl::CanPaste() const
1050 {
1051     return false ;
1052 }
1053
1054 void wxMacTextControl::SetEditable(bool WXUNUSED(editable))
1055 {
1056 }
1057
1058 wxTextPos wxMacTextControl::GetLastPosition() const
1059 {
1060     return GetStringValue().length() ;
1061 }
1062
1063 void wxMacTextControl::Replace( long from , long to , const wxString &val )
1064 {
1065     SetSelection( from , to ) ;
1066     WriteText( val ) ;
1067 }
1068
1069 void wxMacTextControl::Remove( long from , long to )
1070 {
1071     SetSelection( from , to ) ;
1072     WriteText( wxEmptyString) ;
1073 }
1074
1075 void wxMacTextControl::Clear()
1076 {
1077     SetStringValue( wxEmptyString ) ;
1078 }
1079
1080 bool wxMacTextControl::CanUndo() const
1081 {
1082     return false ;
1083 }
1084
1085 void wxMacTextControl::Undo()
1086 {
1087 }
1088
1089 bool wxMacTextControl::CanRedo()  const
1090 {
1091     return false ;
1092 }
1093
1094 void wxMacTextControl::Redo()
1095 {
1096 }
1097
1098 long wxMacTextControl::XYToPosition(long WXUNUSED(x), long WXUNUSED(y)) const
1099 {
1100     return 0 ;
1101 }
1102
1103 bool wxMacTextControl::PositionToXY(long WXUNUSED(pos),
1104                                     long *WXUNUSED(x),
1105                                     long *WXUNUSED(y)) const
1106 {
1107     return false ;
1108 }
1109
1110 void wxMacTextControl::ShowPosition( long WXUNUSED(pos) )
1111 {
1112 }
1113
1114 int wxMacTextControl::GetNumberOfLines() const
1115 {
1116     ItemCount lines = 0 ;
1117     wxString content = GetStringValue() ;
1118     lines = 1;
1119
1120     for (size_t i = 0; i < content.length() ; i++)
1121     {
1122         if (content[i] == '\r')
1123             lines++;
1124     }
1125
1126     return lines ;
1127 }
1128
1129 wxString wxMacTextControl::GetLineText(long lineNo) const
1130 {
1131     // TODO: change this if possible to reflect real lines
1132     wxString content = GetStringValue() ;
1133
1134     // Find line first
1135     int count = 0;
1136     for (size_t i = 0; i < content.length() ; i++)
1137     {
1138         if (count == lineNo)
1139         {
1140             // Add chars in line then
1141             wxString tmp;
1142
1143             for (size_t j = i; j < content.length(); j++)
1144             {
1145                 if (content[j] == '\n')
1146                     return tmp;
1147
1148                 tmp += content[j];
1149             }
1150
1151             return tmp;
1152         }
1153
1154         if (content[i] == '\n')
1155             count++;
1156     }
1157
1158     return wxEmptyString ;
1159 }
1160
1161 int wxMacTextControl::GetLineLength(long lineNo) const
1162 {
1163     // TODO: change this if possible to reflect real lines
1164     wxString content = GetStringValue() ;
1165
1166     // Find line first
1167     int count = 0;
1168     for (size_t i = 0; i < content.length() ; i++)
1169     {
1170         if (count == lineNo)
1171         {
1172             // Count chars in line then
1173             count = 0;
1174             for (size_t j = i; j < content.length(); j++)
1175             {
1176                 count++;
1177                 if (content[j] == '\n')
1178                     return count;
1179             }
1180
1181             return count;
1182         }
1183
1184         if (content[i] == '\n')
1185             count++;
1186     }
1187
1188     return 0 ;
1189 }
1190
1191 // ----------------------------------------------------------------------------
1192 // standard unicode control implementation
1193 // ----------------------------------------------------------------------------
1194
1195 // the current unicode textcontrol implementation has a bug : only if the control
1196 // is currently having the focus, the selection can be retrieved by the corresponding
1197 // data tag. So we have a mirroring using a member variable
1198 // TODO : build event table using virtual member functions for wxMacControl
1199
1200 static const EventTypeSpec unicodeTextControlEventList[] =
1201 {
1202     { kEventClassControl , kEventControlSetFocusPart } ,
1203 } ;
1204
1205 static pascal OSStatus wxMacUnicodeTextControlControlEventHandler( EventHandlerCallRef handler , EventRef event , void *data )
1206 {
1207     OSStatus result = eventNotHandledErr ;
1208     wxMacUnicodeTextControl* focus = (wxMacUnicodeTextControl*) data ;
1209     wxMacCarbonEvent cEvent( event ) ;
1210
1211     switch ( GetEventKind( event ) )
1212     {
1213         case kEventControlSetFocusPart :
1214         {
1215             ControlPartCode controlPart = cEvent.GetParameter<ControlPartCode>(kEventParamControlPart , typeControlPartCode );
1216             if ( controlPart == kControlFocusNoPart )
1217             {
1218                 // about to loose focus -> store selection to field
1219                 focus->GetData<ControlEditTextSelectionRec>( 0, kControlEditTextSelectionTag, &focus->m_selection );
1220             }
1221             result = CallNextEventHandler(handler,event) ;
1222             if ( controlPart != kControlFocusNoPart )
1223             {
1224                 // about to gain focus -> set selection from field
1225                 focus->SetData<ControlEditTextSelectionRec>( 0, kControlEditTextSelectionTag, &focus->m_selection );
1226             }
1227             break;
1228         }
1229         default:
1230             break ;
1231     }
1232
1233     return result ;
1234 }
1235
1236 static pascal OSStatus wxMacUnicodeTextControlEventHandler( EventHandlerCallRef handler , EventRef event , void *data )
1237 {
1238     OSStatus result = eventNotHandledErr ;
1239
1240     switch ( GetEventClass( event ) )
1241     {
1242         case kEventClassControl :
1243             result = wxMacUnicodeTextControlControlEventHandler( handler , event , data ) ;
1244             break ;
1245
1246         default :
1247             break ;
1248     }
1249     return result ;
1250 }
1251
1252 DEFINE_ONE_SHOT_HANDLER_GETTER( wxMacUnicodeTextControlEventHandler )
1253
1254 wxMacUnicodeTextControl::wxMacUnicodeTextControl( wxTextCtrl *wxPeer ) : wxMacTextControl( wxPeer )
1255 {
1256 }
1257
1258 wxMacUnicodeTextControl::wxMacUnicodeTextControl( wxTextCtrl *wxPeer,
1259     const wxString& str,
1260     const wxPoint& pos,
1261     const wxSize& size, long style )
1262     : wxMacTextControl( wxPeer )
1263 {
1264     Create( wxPeer, str, pos, size, style );
1265 }
1266
1267 bool wxMacUnicodeTextControl::Create( wxTextCtrl *wxPeer,
1268     const wxString& str,
1269     const wxPoint& pos,
1270     const wxSize& size, long style )
1271 {
1272     m_font = wxPeer->GetFont() ;
1273     m_windowStyle = style ;
1274     m_selection.selStart = m_selection.selEnd = 0;
1275     Rect bounds = wxMacGetBoundsForControl( wxPeer , pos , size ) ;
1276     wxString st = str ;
1277     wxMacConvertNewlines10To13( &st ) ;
1278     wxMacCFStringHolder cf(st , m_font.GetEncoding()) ;
1279     CFStringRef cfr = cf ;
1280
1281     m_valueTag = kControlEditTextCFStringTag ;
1282     CreateControl( wxPeer, &bounds, cfr );
1283
1284     if ( !(m_windowStyle & wxTE_MULTILINE) )
1285         SetData<Boolean>( kControlEditTextPart , kControlEditTextSingleLineTag , true ) ;
1286
1287     InstallControlEventHandler( m_controlRef , GetwxMacUnicodeTextControlEventHandlerUPP(),
1288                                 GetEventTypeCount(unicodeTextControlEventList), unicodeTextControlEventList, this,
1289                                 NULL);
1290
1291     return true;
1292 }
1293
1294 wxMacUnicodeTextControl::~wxMacUnicodeTextControl()
1295 {
1296 }
1297
1298 void wxMacUnicodeTextControl::VisibilityChanged(bool shown)
1299 {
1300     if ( !(m_windowStyle & wxTE_MULTILINE) && shown )
1301     {
1302         // work around a refresh issue insofar as not always the entire content is shown,
1303         // even if this would be possible
1304         ControlEditTextSelectionRec sel ;
1305         CFStringRef value = NULL ;
1306
1307         verify_noerr( GetData<ControlEditTextSelectionRec>( 0, kControlEditTextSelectionTag, &sel ) );
1308         verify_noerr( GetData<CFStringRef>( 0, m_valueTag, &value ) );
1309         verify_noerr( SetData<CFStringRef>( 0, m_valueTag, &value ) );
1310         verify_noerr( SetData<ControlEditTextSelectionRec>( 0, kControlEditTextSelectionTag, &sel ) );
1311
1312         CFRelease( value ) ;
1313     }
1314 }
1315
1316 wxString wxMacUnicodeTextControl::GetStringValue() const
1317 {
1318     wxString result ;
1319     CFStringRef value = GetData<CFStringRef>(0, m_valueTag) ;
1320     if ( value )
1321     {
1322         wxMacCFStringHolder cf(value) ;
1323         result = cf.AsString() ;
1324     }
1325
1326 #if '\n' == 10
1327     wxMacConvertNewlines13To10( &result ) ;
1328 #else
1329     wxMacConvertNewlines10To13( &result ) ;
1330 #endif
1331
1332     return result ;
1333 }
1334
1335 void wxMacUnicodeTextControl::SetStringValue( const wxString &str )
1336 {
1337     wxString st = str ;
1338     wxMacConvertNewlines10To13( &st ) ;
1339     wxMacCFStringHolder cf( st , m_font.GetEncoding() ) ;
1340     verify_noerr( SetData<CFStringRef>( 0, m_valueTag , cf ) ) ;
1341 }
1342
1343 void wxMacUnicodeTextControl::CreateControl( wxTextCtrl* peer, const Rect* bounds, CFStringRef cfr )
1344 {
1345     Boolean isPassword = ( m_windowStyle & wxTE_PASSWORD ) != 0 ;
1346     if ( isPassword )
1347     {
1348         m_valueTag = kControlEditTextPasswordCFStringTag ;
1349     }
1350     OSStatus err = CreateEditUnicodeTextControl(
1351         MAC_WXHWND(peer->MacGetTopLevelWindowRef()), bounds , cfr ,
1352         isPassword , NULL , &m_controlRef ) ;
1353     verify_noerr( err );
1354 }
1355
1356 void wxMacUnicodeTextControl::Copy()
1357 {
1358     SendHICommand( kHICommandCopy ) ;
1359 }
1360
1361 void wxMacUnicodeTextControl::Cut()
1362 {
1363     SendHICommand( kHICommandCut ) ;
1364 }
1365
1366 void wxMacUnicodeTextControl::Paste()
1367 {
1368     SendHICommand( kHICommandPaste ) ;
1369 }
1370
1371 bool wxMacUnicodeTextControl::CanPaste() const
1372 {
1373     return true ;
1374 }
1375
1376 void wxMacUnicodeTextControl::SetEditable(bool WXUNUSED(editable))
1377 {
1378 #if 0 // leads to problem because text cannot be selected anymore
1379     SetData<Boolean>( kControlEditTextPart , kControlEditTextLockedTag , (Boolean) !editable ) ;
1380 #endif
1381 }
1382
1383 void wxMacUnicodeTextControl::GetSelection( long* from, long* to ) const
1384 {
1385     ControlEditTextSelectionRec sel ;
1386     if (HasFocus())
1387         verify_noerr( GetData<ControlEditTextSelectionRec>( 0, kControlEditTextSelectionTag, &sel ) ) ;
1388     else
1389         sel = m_selection ;
1390
1391     if ( from )
1392         *from = sel.selStart ;
1393     if ( to )
1394         *to = sel.selEnd ;
1395 }
1396
1397 void wxMacUnicodeTextControl::SetSelection( long from , long to )
1398 {
1399     ControlEditTextSelectionRec sel ;
1400     wxString result ;
1401     int textLength = 0 ;
1402     CFStringRef value = GetData<CFStringRef>(0, m_valueTag) ;
1403     if ( value )
1404     {
1405         wxMacCFStringHolder cf(value) ;
1406         textLength = cf.AsString().length() ;
1407     }
1408
1409     if ((from == -1) && (to == -1))
1410     {
1411         from = 0 ;
1412         to = textLength ;
1413     }
1414     else
1415     {
1416         from = wxMin(textLength,wxMax(from,0)) ;
1417         if ( to == -1 )
1418             to = textLength;
1419         else
1420             to = wxMax(0,wxMin(textLength,to)) ;
1421     }
1422
1423     sel.selStart = from ;
1424     sel.selEnd = to ;
1425     if ( HasFocus() )
1426         SetData<ControlEditTextSelectionRec>( 0, kControlEditTextSelectionTag, &sel ) ;
1427     else
1428         m_selection = sel;
1429 }
1430
1431 void wxMacUnicodeTextControl::WriteText( const wxString& str )
1432 {
1433     wxString st = str ;
1434     wxMacConvertNewlines10To13( &st ) ;
1435
1436     if ( HasFocus() )
1437     {
1438         wxMacCFStringHolder cf(st , m_font.GetEncoding() ) ;
1439         CFStringRef value = cf ;
1440         SetData<CFStringRef>( 0, kControlEditTextInsertCFStringRefTag, &value );
1441     }
1442     else
1443     {
1444         wxString val = GetStringValue() ;
1445         long start , end ;
1446         GetSelection( &start , &end ) ;
1447         val.Remove( start , end - start ) ;
1448         val.insert( start , str ) ;
1449         SetStringValue( val ) ;
1450         SetSelection( start + str.length() , start + str.length() ) ;
1451     }
1452 }
1453
1454 // ----------------------------------------------------------------------------
1455 // MLTE control implementation (common part)
1456 // ----------------------------------------------------------------------------
1457
1458 // if MTLE is read only, no changes at all are allowed, not even from
1459 // procedural API, in order to allow changes via API all the same we must undo
1460 // the readonly status while we are executing, this class helps to do so
1461
1462 class wxMacEditHelper
1463 {
1464 public :
1465     wxMacEditHelper( TXNObject txn )
1466     {
1467         TXNControlTag tag[] = { kTXNIOPrivilegesTag } ;
1468         m_txn = txn ;
1469         TXNGetTXNObjectControls( m_txn , 1 , tag , m_data ) ;
1470         if ( m_data[0].uValue == kTXNReadOnly )
1471         {
1472             TXNControlData data[] = { { kTXNReadWrite } } ;
1473             TXNSetTXNObjectControls( m_txn , false , 1 , tag , data ) ;
1474         }
1475     }
1476
1477     ~wxMacEditHelper()
1478     {
1479         TXNControlTag tag[] = { kTXNIOPrivilegesTag } ;
1480         if ( m_data[0].uValue == kTXNReadOnly )
1481             TXNSetTXNObjectControls( m_txn , false , 1 , tag , m_data ) ;
1482     }
1483
1484 protected :
1485     TXNObject m_txn ;
1486     TXNControlData m_data[1] ;
1487 } ;
1488
1489 wxMacMLTEControl::wxMacMLTEControl( wxTextCtrl *peer )
1490     : wxMacTextControl( peer )
1491 {
1492     SetNeedsFocusRect( true ) ;
1493 }
1494
1495 wxString wxMacMLTEControl::GetStringValue() const
1496 {
1497     wxString result ;
1498     OSStatus err ;
1499     Size actualSize = 0;
1500
1501     {
1502 #if wxUSE_UNICODE
1503         Handle theText ;
1504         err = TXNGetDataEncoded( m_txn, kTXNStartOffset, kTXNEndOffset, &theText, kTXNUnicodeTextData );
1505
1506         // all done
1507         if ( err != noErr )
1508         {
1509             actualSize = 0 ;
1510         }
1511         else
1512         {
1513             actualSize = GetHandleSize( theText ) / sizeof(UniChar) ;
1514             if ( actualSize > 0 )
1515             {
1516                 wxChar *ptr = NULL ;
1517
1518 #if SIZEOF_WCHAR_T == 2
1519                 ptr = new wxChar[actualSize + 1] ;
1520                 wxStrncpy( ptr , (wxChar*)(*theText) , actualSize ) ;
1521 #else
1522                 SetHandleSize( theText, (actualSize + 1) * sizeof(UniChar) ) ;
1523                 HLock( theText ) ;
1524                 (((UniChar*)*theText)[actualSize]) = 0 ;
1525                 wxMBConvUTF16 converter ;
1526                 size_t noChars = converter.MB2WC( NULL , (const char*)*theText , 0 ) ;
1527                 wxASSERT_MSG( noChars != wxCONV_FAILED, _T("Unable to count the number of characters in this string!") );
1528                 ptr = new wxChar[noChars + 1] ;
1529
1530                 noChars = converter.MB2WC( ptr , (const char*)*theText , noChars + 1 ) ;
1531                 wxASSERT_MSG( noChars != wxCONV_FAILED, _T("Conversion of string failed!") );
1532                 ptr[noChars] = 0 ;
1533                 HUnlock( theText ) ;
1534 #endif
1535
1536                 ptr[actualSize] = 0 ;
1537                 result = wxString( ptr ) ;
1538                 delete [] ptr ;
1539             }
1540
1541             DisposeHandle( theText ) ;
1542         }
1543 #else
1544         Handle theText ;
1545         err = TXNGetDataEncoded( m_txn , kTXNStartOffset, kTXNEndOffset, &theText, kTXNTextData );
1546
1547         // all done
1548         if ( err != noErr )
1549         {
1550             actualSize = 0 ;
1551         }
1552         else
1553         {
1554             actualSize = GetHandleSize( theText ) ;
1555             if ( actualSize > 0 )
1556             {
1557                 HLock( theText ) ;
1558                 result = wxString( *theText , wxConvLocal , actualSize ) ;
1559                 HUnlock( theText ) ;
1560             }
1561
1562             DisposeHandle( theText ) ;
1563         }
1564 #endif
1565     }
1566
1567 #if '\n' == 10
1568     wxMacConvertNewlines13To10( &result ) ;
1569 #else
1570     wxMacConvertNewlines10To13( &result ) ;
1571 #endif
1572
1573     return result ;
1574 }
1575
1576 void wxMacMLTEControl::SetStringValue( const wxString &str )
1577 {
1578     wxString st = str;
1579     wxMacConvertNewlines10To13( &st );
1580
1581     {
1582 #ifndef __LP64__
1583         wxMacWindowClipper c( m_peer ) ;
1584 #endif
1585
1586         {
1587             wxMacEditHelper help( m_txn );
1588             SetTXNData( st, kTXNStartOffset, kTXNEndOffset );
1589         }
1590
1591         TXNSetSelection( m_txn, 0, 0 );
1592         TXNShowSelection( m_txn, kTXNShowStart );
1593     }
1594 }
1595
1596 TXNFrameOptions wxMacMLTEControl::FrameOptionsFromWXStyle( long wxStyle )
1597 {
1598     TXNFrameOptions frameOptions = kTXNDontDrawCaretWhenInactiveMask;
1599
1600     frameOptions |= kTXNDoFontSubstitutionMask;
1601
1602     if ( ! (wxStyle & wxTE_NOHIDESEL) )
1603         frameOptions |= kTXNDontDrawSelectionWhenInactiveMask ;
1604
1605     if ( wxStyle & (wxHSCROLL | wxTE_DONTWRAP) )
1606         frameOptions |= kTXNWantHScrollBarMask ;
1607
1608     if ( wxStyle & wxTE_MULTILINE )
1609     {
1610         frameOptions |= kTXNAlwaysWrapAtViewEdgeMask ;
1611
1612         if ( !(wxStyle & wxTE_NO_VSCROLL) )
1613         {
1614             frameOptions |= kTXNWantVScrollBarMask ;
1615
1616             // The following code causes drawing problems on 10.4. Perhaps it can be restored for
1617             // older versions of the OS, but I'm not sure it's appropriate to put a grow icon here
1618             // anyways, as AFAIK users can't actually use it to resize the text ctrl.
1619 //            if ( frameOptions & kTXNWantHScrollBarMask )
1620 //                frameOptions |= kTXNDrawGrowIconMask ;
1621         }
1622     }
1623     else
1624     {
1625         frameOptions |= kTXNSingleLineOnlyMask ;
1626     }
1627
1628     return frameOptions ;
1629 }
1630
1631 void wxMacMLTEControl::AdjustCreationAttributes(const wxColour &background,
1632                                                 bool WXUNUSED(visible))
1633 {
1634     TXNControlTag iControlTags[] =
1635         {
1636             kTXNDoFontSubstitution,
1637             kTXNWordWrapStateTag ,
1638         };
1639     TXNControlData iControlData[] =
1640         {
1641             { true },
1642             { kTXNNoAutoWrap },
1643         };
1644
1645     int toptag = WXSIZEOF( iControlTags ) ;
1646
1647     if ( m_windowStyle & wxTE_MULTILINE )
1648     {
1649         iControlData[1].uValue =
1650             (m_windowStyle & wxTE_DONTWRAP)
1651             ? kTXNNoAutoWrap
1652             : kTXNAutoWrap;
1653     }
1654
1655     OSStatus err = TXNSetTXNObjectControls( m_txn, false, toptag, iControlTags, iControlData ) ;
1656     verify_noerr( err );
1657
1658     // setting the default font:
1659     // under 10.2 this causes a visible caret, therefore we avoid it
1660
1661     Str255 fontName ;
1662     SInt16 fontSize ;
1663     Style fontStyle ;
1664
1665     GetThemeFont( kThemeSystemFont , GetApplicationScript() , fontName , &fontSize , &fontStyle ) ;
1666
1667     TXNTypeAttributes typeAttr[] =
1668     {
1669         { kTXNQDFontNameAttribute , kTXNQDFontNameAttributeSize , { (void*) fontName } } ,
1670         { kTXNQDFontSizeAttribute , kTXNFontSizeAttributeSize , { (void*) (fontSize << 16) } } ,
1671         { kTXNQDFontStyleAttribute , kTXNQDFontStyleAttributeSize , { (void*) normal } } ,
1672     } ;
1673
1674     err = TXNSetTypeAttributes(
1675         m_txn, sizeof(typeAttr) / sizeof(TXNTypeAttributes),
1676         typeAttr, kTXNStartOffset, kTXNEndOffset );
1677     verify_noerr( err );
1678
1679     if ( m_windowStyle & wxTE_PASSWORD )
1680     {
1681         UniChar c = 0x00A5 ;
1682         err = TXNEchoMode( m_txn , c , 0 , true );
1683         verify_noerr( err );
1684     }
1685
1686     TXNBackground tback;
1687     tback.bgType = kTXNBackgroundTypeRGB;
1688     background.GetRGBColor( &tback.bg.color );
1689     TXNSetBackground( m_txn , &tback );
1690
1691
1692     TXNCommandEventSupportOptions options ;
1693     if ( TXNGetCommandEventSupport( m_txn, &options ) == noErr )
1694     {
1695         options |=
1696             kTXNSupportEditCommandProcessing
1697             | kTXNSupportEditCommandUpdating
1698             | kTXNSupportFontCommandProcessing
1699             | kTXNSupportFontCommandUpdating;
1700
1701         // only spell check when not read-only
1702         // use system options for the default
1703         bool checkSpelling = false ;
1704         if ( !(m_windowStyle & wxTE_READONLY) )
1705         {
1706 #if wxUSE_SYSTEM_OPTIONS
1707             if ( wxSystemOptions::HasOption( wxMAC_TEXTCONTROL_USE_SPELL_CHECKER ) && (wxSystemOptions::GetOptionInt( wxMAC_TEXTCONTROL_USE_SPELL_CHECKER ) == 1) )
1708             {
1709                 checkSpelling = true ;
1710             }
1711 #endif
1712         }
1713
1714         if ( checkSpelling )
1715             options |=
1716                 kTXNSupportSpellCheckCommandProcessing
1717                 | kTXNSupportSpellCheckCommandUpdating;
1718
1719         TXNSetCommandEventSupport( m_txn , options ) ;
1720     }
1721 }
1722
1723 void wxMacMLTEControl::SetBackground( const wxBrush &brush )
1724 {
1725     // currently only solid background are supported
1726     TXNBackground tback;
1727
1728     tback.bgType = kTXNBackgroundTypeRGB;
1729     brush.GetColour().GetRGBColor(&tback.bg.color);
1730     TXNSetBackground( m_txn , &tback );
1731 }
1732
1733 static inline int wxConvertToTXN(int x)
1734 {
1735     return wx_static_cast(int, x / 254.0 * 72 + 0.5);
1736 }
1737
1738 void wxMacMLTEControl::TXNSetAttribute( const wxTextAttr& style , long from , long to )
1739 {
1740     TXNTypeAttributes typeAttr[4] ;
1741     RGBColor color ;
1742     size_t typeAttrCount = 0 ;
1743
1744     TXNMargins margins;
1745     TXNControlTag    controlTags[4];
1746     TXNControlData   controlData[4];
1747     size_t controlAttrCount = 0;
1748
1749     TXNTab* tabs = NULL;
1750
1751     bool relayout = false;
1752
1753     if ( style.HasFont() )
1754     {
1755         wxASSERT( typeAttrCount < WXSIZEOF(typeAttr) );
1756         const wxFont &font = style.GetFont() ;
1757         typeAttr[typeAttrCount].tag = kTXNATSUIStyle ;
1758         typeAttr[typeAttrCount].size = kTXNATSUIStyleSize ;
1759         typeAttr[typeAttrCount].data.dataPtr = font.MacGetATSUStyle() ;
1760         typeAttrCount++ ;
1761     }
1762
1763     if ( style.HasTextColour() )
1764     {
1765         wxASSERT( typeAttrCount < WXSIZEOF(typeAttr) );
1766         style.GetTextColour().GetRGBColor( &color );
1767         typeAttr[typeAttrCount].tag = kTXNQDFontColorAttribute ;
1768         typeAttr[typeAttrCount].size = kTXNQDFontColorAttributeSize ;
1769         typeAttr[typeAttrCount].data.dataPtr = (void*) &color ;
1770         typeAttrCount++ ;
1771     }
1772
1773     if ( style.HasAlignment() )
1774     {
1775         wxASSERT( controlAttrCount < WXSIZEOF(controlTags) );
1776         SInt32 align;
1777
1778         switch ( style.GetAlignment() )
1779         {
1780             case wxTEXT_ALIGNMENT_LEFT:
1781                 align = kTXNFlushLeft;
1782                 break;
1783             case wxTEXT_ALIGNMENT_CENTRE:
1784                 align = kTXNCenter;
1785                 break;
1786             case wxTEXT_ALIGNMENT_RIGHT:
1787                 align = kTXNFlushRight;
1788                 break;
1789             case wxTEXT_ALIGNMENT_JUSTIFIED:
1790                 align = kTXNFullJust;
1791                 break;
1792             default :
1793             case wxTEXT_ALIGNMENT_DEFAULT:
1794                 align = kTXNFlushDefault;
1795                 break;
1796         }
1797
1798         controlTags[controlAttrCount] = kTXNJustificationTag ;
1799         controlData[controlAttrCount].sValue = align ;
1800         controlAttrCount++ ;
1801     }
1802
1803     if ( style.HasLeftIndent() || style.HasRightIndent() )
1804     {
1805         wxASSERT( controlAttrCount < WXSIZEOF(controlTags) );
1806         controlTags[controlAttrCount] = kTXNMarginsTag;
1807         controlData[controlAttrCount].marginsPtr = &margins;
1808         verify_noerr( TXNGetTXNObjectControls (m_txn, 1 ,
1809                                 &controlTags[controlAttrCount], &controlData[controlAttrCount]) );
1810         if ( style.HasLeftIndent() )
1811         {
1812             margins.leftMargin = wxConvertToTXN(style.GetLeftIndent());
1813         }
1814         if ( style.HasRightIndent() )
1815         {
1816             margins.rightMargin = wxConvertToTXN(style.GetRightIndent());
1817         }
1818         controlAttrCount++ ;
1819     }
1820
1821     if ( style.HasTabs() )
1822     {
1823         const wxArrayInt& tabarray = style.GetTabs();
1824         // unfortunately Mac only applies a tab distance, not individually different tabs
1825         controlTags[controlAttrCount] = kTXNTabSettingsTag;
1826         if ( tabarray.size() > 0 )
1827             controlData[controlAttrCount].tabValue.value = wxConvertToTXN(tabarray[0]);
1828         else
1829             controlData[controlAttrCount].tabValue.value = 72 ;
1830
1831         controlData[controlAttrCount].tabValue.tabType = kTXNLeftTab;
1832         controlAttrCount++ ;
1833     }
1834
1835     // unfortunately the relayout is not automatic
1836     if ( controlAttrCount > 0 )
1837     {
1838         verify_noerr( TXNSetTXNObjectControls (m_txn, false /* don't clear all */, controlAttrCount,
1839                                 controlTags, controlData) );
1840         relayout = true;
1841     }
1842
1843     if ( typeAttrCount > 0 )
1844     {
1845         verify_noerr( TXNSetTypeAttributes( m_txn , typeAttrCount, typeAttr, from , to ) );
1846         relayout = true;
1847     }
1848
1849     if ( tabs != NULL )
1850     {
1851         delete[] tabs;
1852     }
1853
1854     if ( relayout )
1855     {
1856         TXNRecalcTextLayout( m_txn );
1857     }
1858 }
1859
1860 void wxMacMLTEControl::SetFont(const wxFont & font,
1861                                const wxColour& foreground,
1862                                long WXUNUSED(windowStyle))
1863 {
1864     wxMacEditHelper help( m_txn ) ;
1865     TXNSetAttribute( wxTextAttr( foreground, wxNullColour, font ), kTXNStartOffset, kTXNEndOffset ) ;
1866 }
1867
1868 void wxMacMLTEControl::SetStyle( long start, long end, const wxTextAttr& style )
1869 {
1870     wxMacEditHelper help( m_txn ) ;
1871     TXNSetAttribute( style, start, end ) ;
1872 }
1873
1874 void wxMacMLTEControl::Copy()
1875 {
1876     TXNCopy( m_txn );
1877 }
1878
1879 void wxMacMLTEControl::Cut()
1880 {
1881     TXNCut( m_txn );
1882 }
1883
1884 void wxMacMLTEControl::Paste()
1885 {
1886     TXNPaste( m_txn );
1887 }
1888
1889 bool wxMacMLTEControl::CanPaste() const
1890 {
1891     return TXNIsScrapPastable() ;
1892 }
1893
1894 void wxMacMLTEControl::SetEditable(bool editable)
1895 {
1896     TXNControlTag tag[] = { kTXNIOPrivilegesTag } ;
1897     TXNControlData data[] = { { editable ? kTXNReadWrite : kTXNReadOnly } } ;
1898     TXNSetTXNObjectControls( m_txn, false, WXSIZEOF(tag), tag, data ) ;
1899 }
1900
1901 wxTextPos wxMacMLTEControl::GetLastPosition() const
1902 {
1903     wxTextPos actualsize = 0 ;
1904
1905     Handle theText ;
1906     OSErr err = TXNGetDataEncoded( m_txn, kTXNStartOffset, kTXNEndOffset, &theText, kTXNTextData );
1907
1908     // all done
1909     if ( err == noErr )
1910     {
1911         actualsize = GetHandleSize( theText ) ;
1912         DisposeHandle( theText ) ;
1913     }
1914     else
1915     {
1916         actualsize = 0 ;
1917     }
1918
1919     return actualsize ;
1920 }
1921
1922 void wxMacMLTEControl::Replace( long from , long to , const wxString &str )
1923 {
1924     wxString value = str ;
1925     wxMacConvertNewlines10To13( &value ) ;
1926
1927     wxMacEditHelper help( m_txn ) ;
1928 #ifndef __LP64__
1929     wxMacWindowClipper c( m_peer ) ;
1930 #endif
1931
1932     TXNSetSelection( m_txn, from, to == -1 ? kTXNEndOffset : to ) ;
1933     TXNClear( m_txn ) ;
1934     SetTXNData( value, kTXNUseCurrentSelection, kTXNUseCurrentSelection ) ;
1935 }
1936
1937 void wxMacMLTEControl::Remove( long from , long to )
1938 {
1939 #ifndef __LP64__
1940     wxMacWindowClipper c( m_peer ) ;
1941 #endif
1942     wxMacEditHelper help( m_txn ) ;
1943     TXNSetSelection( m_txn , from , to ) ;
1944     TXNClear( m_txn ) ;
1945 }
1946
1947 void wxMacMLTEControl::GetSelection( long* from, long* to) const
1948 {
1949     TXNOffset f,t ;
1950     TXNGetSelection( m_txn , &f , &t ) ;
1951     *from = f;
1952     *to = t;
1953 }
1954
1955 void wxMacMLTEControl::SetSelection( long from , long to )
1956 {
1957 #ifndef __LP64__
1958     wxMacWindowClipper c( m_peer ) ;
1959 #endif
1960
1961     // change the selection
1962     if ((from == -1) && (to == -1))
1963         TXNSelectAll( m_txn );
1964     else
1965         TXNSetSelection( m_txn, from, to == -1 ? kTXNEndOffset : to );
1966
1967     TXNShowSelection( m_txn, kTXNShowStart );
1968 }
1969
1970 void wxMacMLTEControl::WriteText( const wxString& str )
1971 {
1972     wxString st = str ;
1973     wxMacConvertNewlines10To13( &st ) ;
1974
1975     long start , end , dummy ;
1976
1977     GetSelection( &start , &dummy ) ;
1978 #ifndef __LP64__
1979     wxMacWindowClipper c( m_peer ) ;
1980 #endif
1981
1982     {
1983         wxMacEditHelper helper( m_txn ) ;
1984         SetTXNData( st, kTXNUseCurrentSelection, kTXNUseCurrentSelection ) ;
1985     }
1986
1987     GetSelection( &dummy, &end ) ;
1988
1989     // TODO: SetStyle( start , end , GetDefaultStyle() ) ;
1990 }
1991
1992 void wxMacMLTEControl::Clear()
1993 {
1994 #ifndef __LP64__
1995     wxMacWindowClipper c( m_peer ) ;
1996 #endif
1997     wxMacEditHelper st( m_txn ) ;
1998     TXNSetSelection( m_txn , kTXNStartOffset , kTXNEndOffset ) ;
1999     TXNClear( m_txn ) ;
2000 }
2001
2002 bool wxMacMLTEControl::CanUndo() const
2003 {
2004     return TXNCanUndo( m_txn , NULL ) ;
2005 }
2006
2007 void wxMacMLTEControl::Undo()
2008 {
2009     TXNUndo( m_txn ) ;
2010 }
2011
2012 bool wxMacMLTEControl::CanRedo() const
2013 {
2014     return TXNCanRedo( m_txn , NULL ) ;
2015 }
2016
2017 void wxMacMLTEControl::Redo()
2018 {
2019     TXNRedo( m_txn ) ;
2020 }
2021
2022 int wxMacMLTEControl::GetNumberOfLines() const
2023 {
2024     ItemCount lines = 0 ;
2025     TXNGetLineCount( m_txn, &lines ) ;
2026
2027     return lines ;
2028 }
2029
2030 long wxMacMLTEControl::XYToPosition(long x, long y) const
2031 {
2032     Point curpt ;
2033     wxTextPos lastpos ;
2034
2035     // TODO: find a better implementation : while we can get the
2036     // line metrics of a certain line, we don't get its starting
2037     // position, so it would probably be rather a binary search
2038     // for the start position
2039     long xpos = 0, ypos = 0 ;
2040     int lastHeight = 0 ;
2041     ItemCount n ;
2042
2043     lastpos = GetLastPosition() ;
2044     for ( n = 0 ; n <= (ItemCount) lastpos ; ++n )
2045     {
2046         if ( y == ypos && x == xpos )
2047             return n ;
2048
2049         TXNOffsetToPoint( m_txn, n, &curpt ) ;
2050
2051         if ( curpt.v > lastHeight )
2052         {
2053             xpos = 0 ;
2054             if ( n > 0 )
2055                 ++ypos ;
2056
2057             lastHeight = curpt.v ;
2058         }
2059         else
2060             ++xpos ;
2061     }
2062
2063     return 0 ;
2064 }
2065
2066 bool wxMacMLTEControl::PositionToXY( long pos, long *x, long *y ) const
2067 {
2068     Point curpt ;
2069     wxTextPos lastpos ;
2070
2071     if ( y )
2072         *y = 0 ;
2073     if ( x )
2074         *x = 0 ;
2075
2076     lastpos = GetLastPosition() ;
2077     if ( pos <= lastpos )
2078     {
2079         // TODO: find a better implementation - while we can get the
2080         // line metrics of a certain line, we don't get its starting
2081         // position, so it would probably be rather a binary search
2082         // for the start position
2083         long xpos = 0, ypos = 0 ;
2084         int lastHeight = 0 ;
2085         ItemCount n ;
2086
2087         for ( n = 0 ; n <= (ItemCount) pos ; ++n )
2088         {
2089             TXNOffsetToPoint( m_txn, n, &curpt ) ;
2090
2091             if ( curpt.v > lastHeight )
2092             {
2093                 xpos = 0 ;
2094                 if ( n > 0 )
2095                     ++ypos ;
2096
2097                 lastHeight = curpt.v ;
2098             }
2099             else
2100                 ++xpos ;
2101         }
2102
2103         if ( y )
2104             *y = ypos ;
2105         if ( x )
2106             *x = xpos ;
2107     }
2108
2109     return false ;
2110 }
2111
2112 void wxMacMLTEControl::ShowPosition( long pos )
2113 {
2114     Point current, desired ;
2115     TXNOffset selstart, selend;
2116
2117     TXNGetSelection( m_txn, &selstart, &selend );
2118     TXNOffsetToPoint( m_txn, selstart, &current );
2119     TXNOffsetToPoint( m_txn, pos, &desired );
2120
2121     // TODO: use HIPoints for 10.3 and above
2122
2123     OSErr theErr = noErr;
2124     long dv = desired.v - current.v;
2125     long dh = desired.h - current.h;
2126     TXNShowSelection( m_txn, kTXNShowStart ) ; // NB: should this be kTXNShowStart or kTXNShowEnd ??
2127     theErr = TXNScroll( m_txn, kTXNScrollUnitsInPixels, kTXNScrollUnitsInPixels, &dv, &dh );
2128
2129     // there will be an error returned for classic MLTE implementation when the control is
2130     // invisible, but HITextView works correctly, so we don't assert that one
2131     // wxASSERT_MSG( theErr == noErr, _T("TXNScroll returned an error!") );
2132 }
2133
2134 void wxMacMLTEControl::SetTXNData( const wxString& st, TXNOffset start, TXNOffset end )
2135 {
2136 #if wxUSE_UNICODE
2137 #if SIZEOF_WCHAR_T == 2
2138     size_t len = st.length() ;
2139     TXNSetData( m_txn, kTXNUnicodeTextData, (void*)st.wc_str(), len * 2, start, end );
2140 #else
2141     wxMBConvUTF16 converter ;
2142     ByteCount byteBufferLen = converter.WC2MB( NULL, st.wc_str(), 0 ) ;
2143     UniChar *unibuf = (UniChar*)malloc( byteBufferLen ) ;
2144     converter.WC2MB( (char*)unibuf, st.wc_str(), byteBufferLen ) ;
2145     TXNSetData( m_txn, kTXNUnicodeTextData, (void*)unibuf, byteBufferLen, start, end ) ;
2146     free( unibuf ) ;
2147 #endif
2148 #else
2149     wxCharBuffer text = st.mb_str( wxConvLocal ) ;
2150     TXNSetData( m_txn, kTXNTextData, (void*)text.data(), strlen( text ), start, end ) ;
2151 #endif
2152 }
2153
2154 wxString wxMacMLTEControl::GetLineText(long lineNo) const
2155 {
2156     wxString line ;
2157
2158     if ( lineNo < GetNumberOfLines() )
2159     {
2160         Point firstPoint;
2161         Fixed lineWidth, lineHeight, currentHeight;
2162         long ypos ;
2163
2164         // get the first possible position in the control
2165         TXNOffsetToPoint(m_txn, 0, &firstPoint);
2166
2167         // Iterate through the lines until we reach the one we want,
2168         // adding to our current y pixel point position
2169         ypos = 0 ;
2170         currentHeight = 0;
2171         while (ypos < lineNo)
2172         {
2173             TXNGetLineMetrics(m_txn, ypos++, &lineWidth, &lineHeight);
2174             currentHeight += lineHeight;
2175         }
2176
2177         Point thePoint = { firstPoint.v + (currentHeight >> 16), firstPoint.h + (0) };
2178         TXNOffset theOffset;
2179         TXNPointToOffset(m_txn, thePoint, &theOffset);
2180
2181         wxString content = GetStringValue() ;
2182         Point currentPoint = thePoint;
2183         while (thePoint.v == currentPoint.v && theOffset < content.length())
2184         {
2185             line += content[theOffset];
2186             TXNOffsetToPoint(m_txn, ++theOffset, &currentPoint);
2187         }
2188     }
2189
2190     return line ;
2191 }
2192
2193 int wxMacMLTEControl::GetLineLength(long lineNo) const
2194 {
2195     int theLength = 0;
2196
2197     if ( lineNo < GetNumberOfLines() )
2198     {
2199         Point firstPoint;
2200         Fixed lineWidth, lineHeight, currentHeight;
2201         long ypos;
2202
2203         // get the first possible position in the control
2204         TXNOffsetToPoint(m_txn, 0, &firstPoint);
2205
2206         // Iterate through the lines until we reach the one we want,
2207         // adding to our current y pixel point position
2208         ypos = 0;
2209         currentHeight = 0;
2210         while (ypos < lineNo)
2211         {
2212             TXNGetLineMetrics(m_txn, ypos++, &lineWidth, &lineHeight);
2213             currentHeight += lineHeight;
2214         }
2215
2216         Point thePoint = { firstPoint.v + (currentHeight >> 16), firstPoint.h + (0) };
2217         TXNOffset theOffset;
2218         TXNPointToOffset(m_txn, thePoint, &theOffset);
2219
2220         wxString content = GetStringValue() ;
2221         Point currentPoint = thePoint;
2222         while (thePoint.v == currentPoint.v && theOffset < content.length())
2223         {
2224             ++theLength;
2225             TXNOffsetToPoint(m_txn, ++theOffset, &currentPoint);
2226         }
2227     }
2228
2229     return theLength ;
2230 }
2231
2232 #if MAC_OS_X_VERSION_MIN_REQUIRED < MAC_OS_X_VERSION_10_5
2233
2234 // ----------------------------------------------------------------------------
2235 // MLTE control implementation (classic part)
2236 // ----------------------------------------------------------------------------
2237
2238 // OS X Notes : We still don't have a full replacement for MLTE, so this implementation
2239 // has to live on. We have different problems coming from outdated implementations on the
2240 // various OS X versions. Most deal with the scrollbars: they are not correctly embedded
2241 // while this can be solved on 10.3 by reassigning them the correct place, on 10.2 there is
2242 // no way out, therefore we are using our own implementation and our own scrollbars ....
2243
2244 TXNScrollInfoUPP gTXNScrollInfoProc = NULL ;
2245 ControlActionUPP gTXNScrollActionProc = NULL ;
2246
2247 pascal void wxMacMLTEClassicControl::TXNScrollInfoProc(
2248     SInt32 iValue, SInt32 iMaximumValue,
2249     TXNScrollBarOrientation iScrollBarOrientation, SInt32 iRefCon )
2250 {
2251     wxMacMLTEClassicControl* mlte = (wxMacMLTEClassicControl*) iRefCon ;
2252     SInt32 value =  wxMax( iValue , 0 ) ;
2253     SInt32 maximum = wxMax( iMaximumValue , 0 ) ;
2254
2255     if ( iScrollBarOrientation == kTXNHorizontal )
2256     {
2257         if ( mlte->m_sbHorizontal )
2258         {
2259             SetControl32BitValue( mlte->m_sbHorizontal , value ) ;
2260             SetControl32BitMaximum( mlte->m_sbHorizontal , maximum ) ;
2261             mlte->m_lastHorizontalValue = value ;
2262         }
2263     }
2264     else if ( iScrollBarOrientation == kTXNVertical )
2265     {
2266         if ( mlte->m_sbVertical )
2267         {
2268             SetControl32BitValue( mlte->m_sbVertical , value ) ;
2269             SetControl32BitMaximum( mlte->m_sbVertical , maximum ) ;
2270             mlte->m_lastVerticalValue = value ;
2271         }
2272     }
2273 }
2274
2275 pascal void wxMacMLTEClassicControl::TXNScrollActionProc( ControlRef controlRef , ControlPartCode partCode )
2276 {
2277     wxMacMLTEClassicControl* mlte = (wxMacMLTEClassicControl*) GetControlReference( controlRef ) ;
2278     if ( mlte == NULL )
2279         return ;
2280
2281     if ( controlRef != mlte->m_sbVertical && controlRef != mlte->m_sbHorizontal )
2282         return ;
2283
2284     OSStatus err ;
2285     bool isHorizontal = ( controlRef == mlte->m_sbHorizontal ) ;
2286
2287     SInt32 minimum = 0 ;
2288     SInt32 maximum = GetControl32BitMaximum( controlRef ) ;
2289     SInt32 value = GetControl32BitValue( controlRef ) ;
2290     SInt32 delta = 0;
2291
2292     switch ( partCode )
2293     {
2294         case kControlDownButtonPart :
2295             delta = 10 ;
2296             break ;
2297
2298         case kControlUpButtonPart :
2299             delta = -10 ;
2300             break ;
2301
2302         case kControlPageDownPart :
2303             delta = GetControlViewSize( controlRef ) ;
2304             break ;
2305
2306         case kControlPageUpPart :
2307             delta = -GetControlViewSize( controlRef ) ;
2308             break ;
2309
2310         case kControlIndicatorPart :
2311             delta = value - (isHorizontal ? mlte->m_lastHorizontalValue : mlte->m_lastVerticalValue) ;
2312             break ;
2313
2314         default :
2315             break ;
2316     }
2317
2318     if ( delta != 0 )
2319     {
2320         SInt32 newValue = value ;
2321
2322         if ( partCode != kControlIndicatorPart )
2323         {
2324             if ( value + delta < minimum )
2325                 delta = minimum - value ;
2326             if ( value + delta > maximum )
2327                 delta = maximum - value ;
2328
2329             SetControl32BitValue( controlRef , value + delta ) ;
2330             newValue = value + delta ;
2331         }
2332
2333         SInt32 verticalDelta = isHorizontal ? 0 : delta ;
2334         SInt32 horizontalDelta = isHorizontal ? delta : 0 ;
2335
2336         err = TXNScroll(
2337             mlte->m_txn, kTXNScrollUnitsInPixels, kTXNScrollUnitsInPixels,
2338             &verticalDelta, &horizontalDelta );
2339         verify_noerr( err );
2340
2341         if ( isHorizontal )
2342             mlte->m_lastHorizontalValue = newValue ;
2343         else
2344             mlte->m_lastVerticalValue = newValue ;
2345     }
2346 }
2347
2348 // make correct activations
2349 void wxMacMLTEClassicControl::MacActivatePaneText(bool setActive)
2350 {
2351     wxTextCtrl* textctrl = (wxTextCtrl*) GetControlReference(m_controlRef);
2352
2353     wxMacWindowClipper clipper( textctrl ) ;
2354     TXNActivate( m_txn, m_txnFrameID, setActive );
2355
2356     ControlRef controlFocus = 0 ;
2357     GetKeyboardFocus( m_txnWindow , &controlFocus ) ;
2358     if ( controlFocus == m_controlRef )
2359         TXNFocus( m_txn, setActive );
2360 }
2361
2362 void wxMacMLTEClassicControl::MacFocusPaneText(bool setFocus)
2363 {
2364     TXNFocus( m_txn, setFocus );
2365 }
2366
2367 // guards against inappropriate redraw (hidden objects drawing onto window)
2368
2369 void wxMacMLTEClassicControl::MacSetObjectVisibility(bool vis)
2370 {
2371     ControlRef controlFocus = 0 ;
2372     GetKeyboardFocus( m_txnWindow , &controlFocus ) ;
2373
2374     if ( !vis && (controlFocus == m_controlRef ) )
2375         SetKeyboardFocus( m_txnWindow , m_controlRef , kControlFocusNoPart ) ;
2376
2377     TXNControlTag iControlTags[1] = { kTXNVisibilityTag };
2378     TXNControlData iControlData[1] = { { (UInt32)false } };
2379
2380     verify_noerr( TXNGetTXNObjectControls( m_txn , 1, iControlTags, iControlData ) ) ;
2381
2382     if ( iControlData[0].uValue != vis )
2383     {
2384         iControlData[0].uValue = vis ;
2385         verify_noerr( TXNSetTXNObjectControls( m_txn, false , 1, iControlTags, iControlData ) ) ;
2386     }
2387
2388     // currently, we always clip as partial visibility (overlapped) visibility is also a problem,
2389     // if we run into further problems we might set the FrameBounds to an empty rect here
2390 }
2391
2392 // make sure that the TXNObject is at the right position
2393
2394 void wxMacMLTEClassicControl::MacUpdatePosition()
2395 {
2396     wxTextCtrl* textctrl = (wxTextCtrl*)GetControlReference( m_controlRef );
2397     if ( textctrl == NULL )
2398         return ;
2399
2400     Rect bounds ;
2401     UMAGetControlBoundsInWindowCoords( m_controlRef, &bounds );
2402
2403     wxRect visRect = textctrl->MacGetClippedClientRect() ;
2404     Rect visBounds = { visRect.y , visRect.x , visRect.y + visRect.height , visRect.x + visRect.width } ;
2405     int x , y ;
2406     x = y = 0 ;
2407     textctrl->MacWindowToRootWindow( &x , &y ) ;
2408     OffsetRect( &visBounds , x , y ) ;
2409
2410     if ( !EqualRect( &bounds, &m_txnControlBounds ) || !EqualRect( &visBounds, &m_txnVisBounds ) )
2411     {
2412         m_txnControlBounds = bounds ;
2413         m_txnVisBounds = visBounds ;
2414         wxMacWindowClipper cl( textctrl ) ;
2415
2416         if ( m_sbHorizontal || m_sbVertical )
2417         {
2418             int w = bounds.right - bounds.left ;
2419             int h = bounds.bottom - bounds.top ;
2420
2421             if ( m_sbHorizontal )
2422             {
2423                 Rect sbBounds ;
2424
2425                 sbBounds.left = -1 ;
2426                 sbBounds.top = h - 14 ;
2427                 sbBounds.right = w + 1 ;
2428                 sbBounds.bottom = h + 1 ;
2429
2430                 SetControlBounds( m_sbHorizontal , &sbBounds ) ;
2431                 SetControlViewSize( m_sbHorizontal , w ) ;
2432             }
2433
2434             if ( m_sbVertical )
2435             {
2436                 Rect sbBounds ;
2437
2438                 sbBounds.left = w - 14 ;
2439                 sbBounds.top = -1 ;
2440                 sbBounds.right = w + 1 ;
2441                 sbBounds.bottom = m_sbHorizontal ? h - 14 : h + 1 ;
2442
2443                 SetControlBounds( m_sbVertical , &sbBounds ) ;
2444                 SetControlViewSize( m_sbVertical , h ) ;
2445             }
2446         }
2447
2448         Rect oldviewRect ;
2449         TXNLongRect olddestRect ;
2450         TXNGetRectBounds( m_txn , &oldviewRect , &olddestRect , NULL ) ;
2451
2452         Rect viewRect = { m_txnControlBounds.top, m_txnControlBounds.left,
2453             m_txnControlBounds.bottom - ( m_sbHorizontal ? 14 : 0 ) ,
2454             m_txnControlBounds.right - ( m_sbVertical ? 14 : 0 ) } ;
2455         TXNLongRect destRect = { m_txnControlBounds.top, m_txnControlBounds.left,
2456             m_txnControlBounds.bottom - ( m_sbHorizontal ? 14 : 0 ) ,
2457             m_txnControlBounds.right - ( m_sbVertical ? 14 : 0 ) } ;
2458
2459         if ( olddestRect.right >= 10000 )
2460             destRect.right = destRect.left + 32000 ;
2461
2462         if ( olddestRect.bottom >= 0x20000000 )
2463             destRect.bottom = destRect.top + 0x40000000 ;
2464
2465         SectRect( &viewRect , &visBounds , &viewRect ) ;
2466         TXNSetRectBounds( m_txn , &viewRect , &destRect , true ) ;
2467
2468 #if 0
2469         TXNSetFrameBounds(
2470             m_txn,
2471             m_txnControlBounds.top,
2472             m_txnControlBounds.left,
2473             m_txnControlBounds.bottom - (m_sbHorizontal ? 14 : 0),
2474             m_txnControlBounds.right - (m_sbVertical ? 14 : 0),
2475             m_txnFrameID );
2476 #endif
2477
2478         // the SetFrameBounds method under Classic sometimes does not correctly scroll a selection into sight after a
2479         // movement, therefore we have to force it
2480
2481         // this problem has been reported in OSX as well, so we use this here once again
2482
2483         TXNLongRect textRect ;
2484         TXNGetRectBounds( m_txn , NULL , NULL , &textRect ) ;
2485         if ( textRect.left < m_txnControlBounds.left )
2486             TXNShowSelection( m_txn , kTXNShowStart ) ;
2487     }
2488 }
2489
2490 void wxMacMLTEClassicControl::SetRect( Rect *r )
2491 {
2492     wxMacControl::SetRect( r ) ;
2493     MacUpdatePosition() ;
2494 }
2495
2496 void wxMacMLTEClassicControl::MacControlUserPaneDrawProc(wxInt16 WXUNUSED(thePart))
2497 {
2498     wxTextCtrl* textctrl = (wxTextCtrl*)GetControlReference( m_controlRef );
2499     if ( textctrl == NULL )
2500         return ;
2501
2502     if ( textctrl->MacIsReallyShown() )
2503     {
2504         wxMacWindowClipper clipper( textctrl ) ;
2505         TXNDraw( m_txn , NULL ) ;
2506     }
2507 }
2508
2509 wxInt16 wxMacMLTEClassicControl::MacControlUserPaneHitTestProc(wxInt16 x, wxInt16 y)
2510 {
2511     Point where = { y , x } ;
2512     ControlPartCode result = kControlNoPart;
2513
2514     wxTextCtrl* textctrl = (wxTextCtrl*) GetControlReference( m_controlRef );
2515     if ( (textctrl != NULL) && textctrl->MacIsReallyShown() )
2516     {
2517         if (PtInRect( where, &m_txnControlBounds ))
2518         {
2519             result = kControlEditTextPart ;
2520         }
2521         else
2522         {
2523             // sometimes we get the coords also in control local coordinates, therefore test again
2524             int x = 0 , y = 0 ;
2525             textctrl->MacClientToRootWindow( &x , &y ) ;
2526             where.h += x ;
2527             where.v += y ;
2528
2529             if (PtInRect( where, &m_txnControlBounds ))
2530                 result = kControlEditTextPart ;
2531         }
2532     }
2533
2534     return result;
2535 }
2536
2537 wxInt16 wxMacMLTEClassicControl::MacControlUserPaneTrackingProc( wxInt16 x, wxInt16 y, void* WXUNUSED(actionProc) )
2538 {
2539     ControlPartCode result = kControlNoPart;
2540
2541     wxTextCtrl* textctrl = (wxTextCtrl*) GetControlReference( m_controlRef );
2542     if ( (textctrl != NULL) && textctrl->MacIsReallyShown() )
2543     {
2544         Point startPt = { y , x } ;
2545
2546         // for compositing, we must convert these into toplevel window coordinates, because hittesting expects them
2547         int x = 0 , y = 0 ;
2548         textctrl->MacClientToRootWindow( &x , &y ) ;
2549         startPt.h += x ;
2550         startPt.v += y ;
2551
2552         switch (MacControlUserPaneHitTestProc( startPt.h , startPt.v ))
2553         {
2554             case kControlEditTextPart :
2555             {
2556                 wxMacWindowClipper clipper( textctrl ) ;
2557                 EventRecord rec ;
2558
2559                 ConvertEventRefToEventRecord( (EventRef) wxTheApp->MacGetCurrentEvent() , &rec ) ;
2560                 TXNClick( m_txn, &rec );
2561             }
2562                 break;
2563
2564             default :
2565                 break;
2566         }
2567     }
2568
2569     return result;
2570 }
2571
2572 void wxMacMLTEClassicControl::MacControlUserPaneIdleProc()
2573 {
2574     wxTextCtrl* textctrl = (wxTextCtrl*)GetControlReference( m_controlRef );
2575     if ( textctrl == NULL )
2576         return ;
2577
2578     if (textctrl->MacIsReallyShown())
2579     {
2580         if (IsControlActive(m_controlRef))
2581         {
2582             Point mousep;
2583
2584             wxMacWindowClipper clipper( textctrl ) ;
2585             GetMouse(&mousep);
2586
2587             TXNIdle(m_txn);
2588
2589             if (PtInRect(mousep, &m_txnControlBounds))
2590             {
2591                 RgnHandle theRgn = NewRgn();
2592                 RectRgn(theRgn, &m_txnControlBounds);
2593                 TXNAdjustCursor(m_txn, theRgn);
2594                 DisposeRgn(theRgn);
2595             }
2596         }
2597     }
2598 }
2599
2600 wxInt16 wxMacMLTEClassicControl::MacControlUserPaneKeyDownProc (wxInt16 keyCode, wxInt16 charCode, wxInt16 modifiers)
2601 {
2602     wxTextCtrl* textctrl = (wxTextCtrl*)GetControlReference( m_controlRef );
2603     if ( textctrl == NULL )
2604         return kControlNoPart;
2605
2606     wxMacWindowClipper clipper( textctrl ) ;
2607
2608     EventRecord ev ;
2609     memset( &ev , 0 , sizeof( ev ) ) ;
2610     ev.what = keyDown ;
2611     ev.modifiers = modifiers ;
2612     ev.message = ((keyCode << 8) & keyCodeMask) | (charCode & charCodeMask);
2613     TXNKeyDown( m_txn , &ev );
2614
2615     return kControlEntireControl;
2616 }
2617
2618 void wxMacMLTEClassicControl::MacControlUserPaneActivateProc(bool activating)
2619 {
2620     MacActivatePaneText( activating );
2621 }
2622
2623 wxInt16 wxMacMLTEClassicControl::MacControlUserPaneFocusProc(wxInt16 action)
2624 {
2625     ControlPartCode focusResult = kControlFocusNoPart;
2626
2627     wxTextCtrl* textctrl = (wxTextCtrl*)GetControlReference( m_controlRef );
2628     if ( textctrl == NULL )
2629         return focusResult;
2630
2631     wxMacWindowClipper clipper( textctrl ) ;
2632
2633     ControlRef controlFocus = NULL ;
2634     GetKeyboardFocus( m_txnWindow , &controlFocus ) ;
2635     bool wasFocused = ( controlFocus == m_controlRef ) ;
2636
2637     switch (action)
2638     {
2639         case kControlFocusPrevPart:
2640         case kControlFocusNextPart:
2641             MacFocusPaneText( !wasFocused );
2642             focusResult = (!wasFocused ? (ControlPartCode) kControlEditTextPart : (ControlPartCode) kControlFocusNoPart);
2643             break;
2644
2645         case kControlFocusNoPart:
2646         default:
2647             MacFocusPaneText( false );
2648             focusResult = kControlFocusNoPart;
2649             break;
2650     }
2651
2652     return focusResult;
2653 }
2654
2655 void wxMacMLTEClassicControl::MacControlUserPaneBackgroundProc( void *WXUNUSED(info) )
2656 {
2657 }
2658
2659 wxMacMLTEClassicControl::wxMacMLTEClassicControl( wxTextCtrl *wxPeer,
2660     const wxString& str,
2661     const wxPoint& pos,
2662     const wxSize& size, long style )
2663     : wxMacMLTEControl( wxPeer )
2664 {
2665     m_font = wxPeer->GetFont() ;
2666     m_windowStyle = style ;
2667     Rect bounds = wxMacGetBoundsForControl( wxPeer , pos , size ) ;
2668
2669     short featureSet =
2670         kControlSupportsEmbedding | kControlSupportsFocus | kControlWantsIdle
2671         | kControlWantsActivate  | kControlHandlesTracking
2672 //    | kControlHasSpecialBackground
2673         | kControlGetsFocusOnClick | kControlSupportsLiveFeedback;
2674
2675    OSStatus err = ::CreateUserPaneControl(
2676         MAC_WXHWND(wxPeer->GetParent()->MacGetTopLevelWindowRef()),
2677         &bounds, featureSet, &m_controlRef );
2678     verify_noerr( err );
2679
2680     DoCreate();
2681
2682     AdjustCreationAttributes( *wxWHITE , true ) ;
2683
2684     MacSetObjectVisibility( wxPeer->MacIsReallyShown() ) ;
2685
2686     {
2687         wxString st = str ;
2688         wxMacConvertNewlines10To13( &st ) ;
2689         wxMacWindowClipper clipper( m_peer ) ;
2690         SetTXNData( st , kTXNStartOffset, kTXNEndOffset ) ;
2691         TXNSetSelection( m_txn, 0, 0 ) ;
2692     }
2693 }
2694
2695 wxMacMLTEClassicControl::~wxMacMLTEClassicControl()
2696 {
2697     TXNDeleteObject( m_txn );
2698     m_txn = NULL ;
2699 }
2700
2701 void wxMacMLTEClassicControl::VisibilityChanged(bool shown)
2702 {
2703     MacSetObjectVisibility( shown ) ;
2704     wxMacControl::VisibilityChanged( shown ) ;
2705 }
2706
2707 void wxMacMLTEClassicControl::SuperChangedPosition()
2708 {
2709     MacUpdatePosition() ;
2710     wxMacControl::SuperChangedPosition() ;
2711 }
2712
2713 ControlUserPaneDrawUPP gTPDrawProc = NULL;
2714 ControlUserPaneHitTestUPP gTPHitProc = NULL;
2715 ControlUserPaneTrackingUPP gTPTrackProc = NULL;
2716 ControlUserPaneIdleUPP gTPIdleProc = NULL;
2717 ControlUserPaneKeyDownUPP gTPKeyProc = NULL;
2718 ControlUserPaneActivateUPP gTPActivateProc = NULL;
2719 ControlUserPaneFocusUPP gTPFocusProc = NULL;
2720
2721 static pascal void wxMacControlUserPaneDrawProc(ControlRef control, SInt16 part)
2722 {
2723     wxTextCtrl *textCtrl =  wxDynamicCast( wxFindControlFromMacControl(control) , wxTextCtrl ) ;
2724     wxMacMLTEClassicControl * win = textCtrl ? (wxMacMLTEClassicControl*)(textCtrl->GetPeer()) : NULL ;
2725     if ( win )
2726         win->MacControlUserPaneDrawProc( part ) ;
2727 }
2728
2729 static pascal ControlPartCode wxMacControlUserPaneHitTestProc(ControlRef control, Point where)
2730 {
2731     wxTextCtrl *textCtrl =  wxDynamicCast( wxFindControlFromMacControl(control) , wxTextCtrl ) ;
2732     wxMacMLTEClassicControl * win = textCtrl ? (wxMacMLTEClassicControl*)(textCtrl->GetPeer()) : NULL ;
2733     if ( win )
2734         return win->MacControlUserPaneHitTestProc( where.h , where.v ) ;
2735     else
2736         return kControlNoPart ;
2737 }
2738
2739 static pascal ControlPartCode wxMacControlUserPaneTrackingProc(ControlRef control, Point startPt, ControlActionUPP actionProc)
2740 {
2741     wxTextCtrl *textCtrl =  wxDynamicCast( wxFindControlFromMacControl(control) , wxTextCtrl ) ;
2742     wxMacMLTEClassicControl * win = textCtrl ? (wxMacMLTEClassicControl*)(textCtrl->GetPeer()) : NULL ;
2743     if ( win )
2744         return win->MacControlUserPaneTrackingProc( startPt.h , startPt.v , (void*) actionProc ) ;
2745     else
2746         return kControlNoPart ;
2747 }
2748
2749 static pascal void wxMacControlUserPaneIdleProc(ControlRef control)
2750 {
2751     wxTextCtrl *textCtrl =  wxDynamicCast( wxFindControlFromMacControl(control) , wxTextCtrl ) ;
2752     wxMacMLTEClassicControl * win = textCtrl ? (wxMacMLTEClassicControl*)(textCtrl->GetPeer()) : NULL ;
2753     if ( win )
2754         win->MacControlUserPaneIdleProc() ;
2755 }
2756
2757 static pascal ControlPartCode wxMacControlUserPaneKeyDownProc(ControlRef control, SInt16 keyCode, SInt16 charCode, SInt16 modifiers)
2758 {
2759     wxTextCtrl *textCtrl =  wxDynamicCast( wxFindControlFromMacControl(control) , wxTextCtrl ) ;
2760     wxMacMLTEClassicControl * win = textCtrl ? (wxMacMLTEClassicControl*)(textCtrl->GetPeer()) : NULL ;
2761     if ( win )
2762         return win->MacControlUserPaneKeyDownProc( keyCode, charCode, modifiers ) ;
2763     else
2764         return kControlNoPart ;
2765 }
2766
2767 static pascal void wxMacControlUserPaneActivateProc(ControlRef control, Boolean activating)
2768 {
2769     wxTextCtrl *textCtrl =  wxDynamicCast( wxFindControlFromMacControl(control) , wxTextCtrl ) ;
2770     wxMacMLTEClassicControl * win = textCtrl ? (wxMacMLTEClassicControl*)(textCtrl->GetPeer()) : NULL ;
2771     if ( win )
2772         win->MacControlUserPaneActivateProc( activating ) ;
2773 }
2774
2775 static pascal ControlPartCode wxMacControlUserPaneFocusProc(ControlRef control, ControlFocusPart action)
2776 {
2777     wxTextCtrl *textCtrl =  wxDynamicCast( wxFindControlFromMacControl(control) , wxTextCtrl ) ;
2778     wxMacMLTEClassicControl * win = textCtrl ? (wxMacMLTEClassicControl*)(textCtrl->GetPeer()) : NULL ;
2779     if ( win )
2780         return win->MacControlUserPaneFocusProc( action ) ;
2781     else
2782         return kControlNoPart ;
2783 }
2784
2785 #if 0
2786 static pascal void wxMacControlUserPaneBackgroundProc(ControlRef control, ControlBackgroundPtr info)
2787 {
2788     wxTextCtrl *textCtrl =  wxDynamicCast( wxFindControlFromMacControl(control) , wxTextCtrl ) ;
2789     wxMacMLTEClassicControl * win = textCtrl ? (wxMacMLTEClassicControl*)(textCtrl->GetPeer()) : NULL ;
2790     if ( win )
2791         win->MacControlUserPaneBackgroundProc(info) ;
2792 }
2793 #endif
2794
2795 // TXNRegisterScrollInfoProc
2796
2797 OSStatus wxMacMLTEClassicControl::DoCreate()
2798 {
2799     Rect bounds;
2800     OSStatus err = noErr ;
2801
2802     // set up our globals
2803     if (gTPDrawProc == NULL) gTPDrawProc = NewControlUserPaneDrawUPP(wxMacControlUserPaneDrawProc);
2804     if (gTPHitProc == NULL) gTPHitProc = NewControlUserPaneHitTestUPP(wxMacControlUserPaneHitTestProc);
2805     if (gTPTrackProc == NULL) gTPTrackProc = NewControlUserPaneTrackingUPP(wxMacControlUserPaneTrackingProc);
2806     if (gTPIdleProc == NULL) gTPIdleProc = NewControlUserPaneIdleUPP(wxMacControlUserPaneIdleProc);
2807     if (gTPKeyProc == NULL) gTPKeyProc = NewControlUserPaneKeyDownUPP(wxMacControlUserPaneKeyDownProc);
2808     if (gTPActivateProc == NULL) gTPActivateProc = NewControlUserPaneActivateUPP(wxMacControlUserPaneActivateProc);
2809     if (gTPFocusProc == NULL) gTPFocusProc = NewControlUserPaneFocusUPP(wxMacControlUserPaneFocusProc);
2810
2811     if (gTXNScrollInfoProc == NULL ) gTXNScrollInfoProc = NewTXNScrollInfoUPP(TXNScrollInfoProc) ;
2812     if (gTXNScrollActionProc == NULL ) gTXNScrollActionProc = NewControlActionUPP(TXNScrollActionProc) ;
2813
2814     // set the initial settings for our private data
2815
2816     m_txnWindow = GetControlOwner(m_controlRef);
2817     m_txnPort = (GrafPtr) GetWindowPort(m_txnWindow);
2818
2819     // set up the user pane procedures
2820     SetControlData(m_controlRef, kControlEntireControl, kControlUserPaneDrawProcTag, sizeof(gTPDrawProc), &gTPDrawProc);
2821     SetControlData(m_controlRef, kControlEntireControl, kControlUserPaneHitTestProcTag, sizeof(gTPHitProc), &gTPHitProc);
2822     SetControlData(m_controlRef, kControlEntireControl, kControlUserPaneTrackingProcTag, sizeof(gTPTrackProc), &gTPTrackProc);
2823     SetControlData(m_controlRef, kControlEntireControl, kControlUserPaneIdleProcTag, sizeof(gTPIdleProc), &gTPIdleProc);
2824     SetControlData(m_controlRef, kControlEntireControl, kControlUserPaneKeyDownProcTag, sizeof(gTPKeyProc), &gTPKeyProc);
2825     SetControlData(m_controlRef, kControlEntireControl, kControlUserPaneActivateProcTag, sizeof(gTPActivateProc), &gTPActivateProc);
2826     SetControlData(m_controlRef, kControlEntireControl, kControlUserPaneFocusProcTag, sizeof(gTPFocusProc), &gTPFocusProc);
2827
2828     // calculate the rectangles used by the control
2829     UMAGetControlBoundsInWindowCoords( m_controlRef, &bounds );
2830
2831     m_txnControlBounds = bounds ;
2832     m_txnVisBounds = bounds ;
2833
2834     CGrafPtr origPort ;
2835     GDHandle origDev ;
2836
2837     GetGWorld( &origPort, &origDev ) ;
2838     SetPort( m_txnPort );
2839
2840     // create the new edit field
2841     TXNFrameOptions frameOptions = FrameOptionsFromWXStyle( m_windowStyle );
2842
2843     // the scrollbars are not correctly embedded but are inserted at the root:
2844     // this gives us problems as we have erratic redraws even over the structure area
2845
2846     m_sbHorizontal = 0 ;
2847     m_sbVertical = 0 ;
2848     m_lastHorizontalValue = 0 ;
2849     m_lastVerticalValue = 0 ;
2850
2851     Rect sb = { 0 , 0 , 0 , 0 } ;
2852     if ( frameOptions & kTXNWantVScrollBarMask )
2853     {
2854         CreateScrollBarControl( m_txnWindow, &sb, 0, 0, 100, 1, true, gTXNScrollActionProc, &m_sbVertical );
2855         SetControlReference( m_sbVertical, (SInt32)this );
2856         SetControlAction( m_sbVertical, gTXNScrollActionProc );
2857         ShowControl( m_sbVertical );
2858         EmbedControl( m_sbVertical , m_controlRef );
2859         frameOptions &= ~kTXNWantVScrollBarMask;
2860     }
2861
2862     if ( frameOptions & kTXNWantHScrollBarMask )
2863     {
2864         CreateScrollBarControl( m_txnWindow, &sb, 0, 0, 100, 1, true, gTXNScrollActionProc, &m_sbHorizontal );
2865         SetControlReference( m_sbHorizontal, (SInt32)this );
2866         SetControlAction( m_sbHorizontal, gTXNScrollActionProc );
2867         ShowControl( m_sbHorizontal );
2868         EmbedControl( m_sbHorizontal, m_controlRef );
2869         frameOptions &= ~(kTXNWantHScrollBarMask | kTXNDrawGrowIconMask);
2870     }
2871
2872     err = TXNNewObject(
2873         NULL, m_txnWindow, &bounds, frameOptions,
2874         kTXNTextEditStyleFrameType, kTXNTextensionFile, kTXNSystemDefaultEncoding,
2875         &m_txn, &m_txnFrameID, NULL );
2876     verify_noerr( err );
2877
2878 #if 0
2879     TXNControlTag iControlTags[] = { kTXNUseCarbonEvents };
2880     TXNControlData iControlData[] = { { (UInt32)&cInfo } };
2881     int toptag = WXSIZEOF( iControlTags ) ;
2882     TXNCarbonEventInfo cInfo ;
2883     cInfo.useCarbonEvents = false ;
2884     cInfo.filler = 0 ;
2885     cInfo.flags = 0 ;
2886     cInfo.fDictionary = NULL ;
2887
2888     verify_noerr( TXNSetTXNObjectControls( m_txn, false, toptag, iControlTags, iControlData ) );
2889 #endif
2890
2891     TXNRegisterScrollInfoProc( m_txn, gTXNScrollInfoProc, (SInt32)this );
2892
2893     SetGWorld( origPort , origDev ) ;
2894
2895     return err;
2896 }
2897 #endif
2898
2899 // ----------------------------------------------------------------------------
2900 // MLTE control implementation (OSX part)
2901 // ----------------------------------------------------------------------------
2902
2903 // tiger multi-line textcontrols with no CR in the entire content
2904 // don't scroll automatically, so we need a hack.
2905 // This attempt only works 'before' the key (ie before CallNextEventHandler)
2906 // is processed, thus the scrolling always occurs one character too late, but
2907 // better than nothing ...
2908
2909 static const EventTypeSpec eventList[] =
2910 {
2911     { kEventClassTextInput, kEventTextInputUnicodeForKeyEvent } ,
2912 } ;
2913
2914 static pascal OSStatus wxMacUnicodeTextEventHandler( EventHandlerCallRef handler , EventRef event , void *data )
2915 {
2916     OSStatus result = eventNotHandledErr ;
2917     wxMacMLTEHIViewControl* focus = (wxMacMLTEHIViewControl*) data ;
2918
2919     switch ( GetEventKind( event ) )
2920     {
2921         case kEventTextInputUnicodeForKeyEvent :
2922         {
2923             TXNOffset from , to ;
2924             TXNGetSelection( focus->GetTXNObject() , &from , &to ) ;
2925             if ( from == to )
2926                 TXNShowSelection( focus->GetTXNObject() , kTXNShowStart );
2927             result = CallNextEventHandler(handler,event);
2928             break;
2929         }
2930         default:
2931             break ;
2932     }
2933
2934     return result ;
2935 }
2936
2937 static pascal OSStatus wxMacTextControlEventHandler( EventHandlerCallRef handler , EventRef event , void *data )
2938 {
2939     OSStatus result = eventNotHandledErr ;
2940
2941     switch ( GetEventClass( event ) )
2942     {
2943         case kEventClassTextInput :
2944             result = wxMacUnicodeTextEventHandler( handler , event , data ) ;
2945             break ;
2946
2947         default :
2948             break ;
2949     }
2950     return result ;
2951 }
2952
2953 DEFINE_ONE_SHOT_HANDLER_GETTER( wxMacTextControlEventHandler )
2954
2955 wxMacMLTEHIViewControl::wxMacMLTEHIViewControl( wxTextCtrl *wxPeer,
2956     const wxString& str,
2957     const wxPoint& pos,
2958     const wxSize& size, long style ) : wxMacMLTEControl( wxPeer )
2959 {
2960     m_font = wxPeer->GetFont() ;
2961     m_windowStyle = style ;
2962     Rect bounds = wxMacGetBoundsForControl( wxPeer , pos , size ) ;
2963     wxString st = str ;
2964     wxMacConvertNewlines10To13( &st ) ;
2965
2966     HIRect hr = {
2967         { bounds.left , bounds.top },
2968         { bounds.right - bounds.left, bounds.bottom - bounds.top } } ;
2969
2970     m_scrollView = NULL ;
2971     TXNFrameOptions frameOptions = FrameOptionsFromWXStyle( style ) ;
2972     if (( frameOptions & (kTXNWantVScrollBarMask | kTXNWantHScrollBarMask)) || !(frameOptions &kTXNSingleLineOnlyMask))
2973     {
2974         if ( frameOptions & (kTXNWantVScrollBarMask | kTXNWantHScrollBarMask) )
2975         {
2976             HIScrollViewCreate(
2977                 (frameOptions & kTXNWantHScrollBarMask ? kHIScrollViewOptionsHorizScroll : 0)
2978                 | (frameOptions & kTXNWantVScrollBarMask ? kHIScrollViewOptionsVertScroll : 0) ,
2979                 &m_scrollView ) ;
2980         }
2981         else
2982         {
2983             HIScrollViewCreate(kHIScrollViewOptionsVertScroll,&m_scrollView);
2984             HIScrollViewSetScrollBarAutoHide(m_scrollView,true);
2985         }
2986
2987         HIViewSetFrame( m_scrollView, &hr );
2988         HIViewSetVisible( m_scrollView, true );
2989     }
2990
2991     m_textView = NULL ;
2992     HITextViewCreate( NULL , 0, frameOptions , &m_textView ) ;
2993     m_txn = HITextViewGetTXNObject( m_textView ) ;
2994     HIViewSetVisible( m_textView , true ) ;
2995     if ( m_scrollView )
2996     {
2997         HIViewAddSubview( m_scrollView , m_textView ) ;
2998         m_controlRef = m_scrollView ;
2999         wxPeer->MacInstallEventHandler( (WXWidget) m_textView ) ;
3000     }
3001     else
3002     {
3003         HIViewSetFrame( m_textView, &hr );
3004         m_controlRef = m_textView ;
3005     }
3006
3007     AdjustCreationAttributes( *wxWHITE , true ) ;
3008 #ifndef __LP64__
3009     wxMacWindowClipper c( m_peer ) ;
3010 #endif
3011     SetTXNData( st , kTXNStartOffset, kTXNEndOffset ) ;
3012
3013     TXNSetSelection( m_txn, 0, 0 );
3014     TXNShowSelection( m_txn, kTXNShowStart );
3015
3016     InstallControlEventHandler( m_textView , GetwxMacTextControlEventHandlerUPP(),
3017                                 GetEventTypeCount(eventList), eventList, this,
3018                                 NULL);
3019 }
3020
3021 wxMacMLTEHIViewControl::~wxMacMLTEHIViewControl()
3022 {
3023 }
3024
3025 OSStatus wxMacMLTEHIViewControl::SetFocus( ControlFocusPart focusPart )
3026 {
3027     return SetKeyboardFocus( GetControlOwner( m_textView ), m_textView, focusPart ) ;
3028 }
3029
3030 bool wxMacMLTEHIViewControl::HasFocus() const
3031 {
3032     ControlRef control ;
3033     if ( GetUserFocusWindow() == NULL )
3034         return false;
3035
3036     GetKeyboardFocus( GetUserFocusWindow() , &control ) ;
3037     return control == m_textView ;
3038 }
3039
3040 void wxMacMLTEHIViewControl::SetBackground( const wxBrush &brush )
3041 {
3042     wxMacMLTEControl::SetBackground( brush ) ;
3043
3044 #if 0
3045     CGColorSpaceRef rgbSpace = CGColorSpaceCreateDeviceRGB();
3046     RGBColor col;
3047     brush.GetColour().GetRGBColor(&col) ;
3048
3049     float component[4] ;
3050     component[0] = col.red / 65536.0 ;
3051     component[1] = col.green / 65536.0 ;
3052     component[2] = col.blue / 65536.0 ;
3053     component[3] = 1.0 ; // alpha
3054
3055     CGColorRef color = CGColorCreate( rgbSpace , component );
3056     HITextViewSetBackgroundColor( m_textView , color );
3057     CGColorSpaceRelease( rgbSpace );
3058 #endif
3059 }
3060
3061 #endif // wxUSE_TEXTCTRL