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