src/mac/carbon/textctrl.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/mac/carbon/textctrl.cpp
   3 // Purpose:     wxTextCtrl
   4 // Author:      Stefan Csomor
   5 // Modified by: Ryan Norton (MLTE GetLineLength and GetLineText)
   6 // Created:     1998-01-01
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Stefan Csomor
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #include "wx/wxprec.h"
  13
  14 #if wxUSE_TEXTCTRL
  15
  16 #include "wx/textctrl.h"
  17
  18 #ifndef WX_PRECOMP
  19     #include "wx/intl.h"
  20     #include "wx/app.h"
  21     #include "wx/utils.h"
  22     #include "wx/dc.h"
  23     #include "wx/button.h"
  24     #include "wx/menu.h"
  25     #include "wx/settings.h"
  26     #include "wx/msgdlg.h"
  27     #include "wx/toplevel.h"
  28 #endif
  29
  30 #ifdef __DARWIN__
  31     #include <sys/types.h>
  32     #include <sys/stat.h>
  33 #else
  34     #include <stat.h>
  35 #endif
  36
  37 #if wxUSE_STD_IOSTREAM
  38     #if wxUSE_IOSTREAMH
  39         #include <fstream.h>
  40     #else
  41         #include <fstream>
  42     #endif
  43 #endif
  44
  45 #include "wx/filefn.h"
  46 #include "wx/sysopt.h"
  47
  48 #if defined(__BORLANDC__) && !defined(__WIN32__)
  49     #include <alloc.h>
  50 #elif !defined(__MWERKS__) && !defined(__GNUWIN32) && !defined(__DARWIN__)
  51     #include <malloc.h>
  52 #endif
  53
  54 #ifndef __DARWIN__
  55 #include <Scrap.h>
  56 #endif
  57
  58 #ifndef __DARWIN__
  59 #include <MacTextEditor.h>
  60 #include <ATSUnicode.h>
  61 #include <TextCommon.h>
  62 #include <TextEncodingConverter.h>
  63 #endif
  64
  65 #include "wx/mac/uma.h"
  66 #include "wx/mac/carbon/private/mactext.h"
  67
  68 #ifndef __WXMAC_OSX__
  69 enum
  70 {
  71     kTXNVisibilityTag = 'visb' // set the visibility state of the object
  72 };
  73 #endif
  74
  75
  76 class wxMacFunctor
  77 {
  78 public :
  79     wxMacFunctor() {}
  80     virtual ~wxMacFunctor() {}
  81
  82     virtual void* operator()() = 0 ;
  83
  84     static void* CallBackProc( void *param )
  85     {
  86         wxMacFunctor* f = (wxMacFunctor*) param ;
  87         void *result = (*f)() ;
  88         return result ;
  89     }
  90 } ;
  91
  92 template<typename classtype, typename param1type>
  93
  94 class wxMacObjectFunctor1 : public wxMacFunctor
  95 {
  96     typedef void (classtype::*function)( param1type p1 ) ;
  97     typedef void (classtype::*ref_function)( const param1type& p1 ) ;
  98 public :
  99     wxMacObjectFunctor1( classtype *obj , function f , param1type p1 ) :
 100         wxMacFunctor()
 101     {
 102         m_object = obj ;
 103         m_function = f ;
 104         m_param1 = p1 ;
 105     }
 106
 107     wxMacObjectFunctor1( classtype *obj , ref_function f , param1type p1 ) :
 108         wxMacFunctor()
 109     {
 110         m_object = obj ;
 111         m_refFunction = f ;
 112         m_param1 = p1 ;
 113     }
 114
 115     virtual ~wxMacObjectFunctor1() {}
 116
 117     virtual void* operator()()
 118     {
 119         (m_object->*m_function)( m_param1 ) ;
 120         return NULL ;
 121     }
 122
 123 private :
 124     classtype* m_object ;
 125     param1type m_param1 ;
 126     union
 127     {
 128         function m_function ;
 129         ref_function m_refFunction ;
 130     } ;
 131 } ;
 132
 133 template<typename classtype, typename param1type>
 134 void* wxMacMPRemoteCall( classtype *object , void (classtype::*function)( param1type p1 ) , param1type p1 )
 135 {
 136     wxMacObjectFunctor1<classtype, param1type> params(object, function, p1) ;
 137     void *result =
 138         MPRemoteCall( wxMacFunctor::CallBackProc , &params , kMPOwningProcessRemoteContext ) ;
 139     return result ;
 140 }
 141
 142 template<typename classtype, typename param1type>
 143 void* wxMacMPRemoteCall( classtype *object , void (classtype::*function)( const param1type& p1 ) , param1type p1 )
 144 {
 145     wxMacObjectFunctor1<classtype,param1type> params(object, function, p1) ;
 146     void *result =
 147         MPRemoteCall( wxMacFunctor::CallBackProc , &params , kMPOwningProcessRemoteContext ) ;
 148     return result ;
 149 }
 150
 151 template<typename classtype, typename param1type>
 152 void* wxMacMPRemoteGUICall( classtype *object , void (classtype::*function)( param1type p1 ) , param1type p1 )
 153 {
 154     wxMutexGuiLeave() ;
 155     void *result = wxMacMPRemoteCall( object , function , p1 ) ;
 156     wxMutexGuiEnter() ;
 157     return result ;
 158 }
 159
 160 template<typename classtype, typename param1type>
 161 void* wxMacMPRemoteGUICall( classtype *object , void (classtype::*function)( const param1type& p1 ) , param1type p1 )
 162 {
 163     wxMutexGuiLeave() ;
 164     void *result = wxMacMPRemoteCall( object , function , p1 ) ;
 165     wxMutexGuiEnter() ;
 166     return result ;
 167 }
 168
 169
 170 // common parts for implementations based on MLTE
 171
 172 class wxMacMLTEControl : public wxMacTextControl
 173 {
 174 public :
 175     wxMacMLTEControl( wxTextCtrl *peer ) ;
 176
 177     virtual wxString GetStringValue() const ;
 178     virtual void SetStringValue( const wxString &str ) ;
 179
 180     static TXNFrameOptions FrameOptionsFromWXStyle( long wxStyle ) ;
 181
 182     void AdjustCreationAttributes( const wxColour& background, bool visible ) ;
 183
 184     virtual void SetFont( const wxFont & font, const wxColour& foreground, long windowStyle ) ;
 185     virtual void SetBackground( const wxBrush &brush ) ;
 186     virtual void SetStyle( long start, long end, const wxTextAttr& style ) ;
 187     virtual void Copy() ;
 188     virtual void Cut() ;
 189     virtual void Paste() ;
 190     virtual bool CanPaste() const ;
 191     virtual void SetEditable( bool editable ) ;
 192     virtual wxTextPos GetLastPosition() const ;
 193     virtual void Replace( long from, long to, const wxString &str ) ;
 194     virtual void Remove( long from, long to ) ;
 195     virtual void GetSelection( long* from, long* to ) const ;
 196     virtual void SetSelection( long from, long to ) ;
 197
 198     virtual void WriteText( const wxString& str ) ;
 199
 200     virtual bool HasOwnContextMenu() const
 201     {
 202 #if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_4
 203         if ( UMAGetSystemVersion() >= 0x1040 )
 204         {
 205             TXNCommandEventSupportOptions options ;
 206             TXNGetCommandEventSupport( m_txn , & options ) ;
 207             return options & kTXNSupportEditCommandProcessing ;
 208         }
 209 #endif
 210
 211         return false ;
 212     }
 213
 214     virtual void CheckSpelling(bool check)
 215     {
 216 #if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_4
 217     TXNSetSpellCheckAsYouType( m_txn, (Boolean) check );
 218 #endif
 219     }
 220     virtual void Clear() ;
 221
 222     virtual bool CanUndo() const ;
 223     virtual void Undo() ;
 224     virtual bool CanRedo()  const;
 225     virtual void Redo() ;
 226     virtual int GetNumberOfLines() const ;
 227     virtual long XYToPosition(long x, long y) const ;
 228     virtual bool PositionToXY(long pos, long *x, long *y) const ;
 229     virtual void ShowPosition( long pos ) ;
 230     virtual int GetLineLength(long lineNo) const ;
 231     virtual wxString GetLineText(long lineNo) const ;
 232
 233     void SetTXNData( const wxString& st , TXNOffset start , TXNOffset end ) ;
 234     TXNObject GetTXNObject() { return m_txn ; }
 235
 236 protected :
 237     void TXNSetAttribute( const wxTextAttr& style , long from , long to ) ;
 238
 239     TXNObject m_txn ;
 240 } ;
 241
 242 #if TARGET_API_MAC_OSX
 243
 244 // implementation available under OSX
 245
 246 #if MAC_OS_X_VERSION_MAX_ALLOWED > MAC_OS_X_VERSION_10_2
 247
 248 class wxMacMLTEHIViewControl : public wxMacMLTEControl
 249 {
 250 public :
 251     wxMacMLTEHIViewControl( wxTextCtrl *wxPeer,
 252                              const wxString& str,
 253                              const wxPoint& pos,
 254                              const wxSize& size, long style ) ;
 255     virtual ~wxMacMLTEHIViewControl() ;
 256
 257     virtual OSStatus SetFocus( ControlFocusPart focusPart ) ;
 258     virtual bool HasFocus() const ;
 259     virtual void SetBackground( const wxBrush &brush) ;
 260
 261 protected :
 262     HIViewRef m_scrollView ;
 263     HIViewRef m_textView ;
 264     EventHandlerRef m_textEventHandlerRef ;
 265 };
 266
 267 #endif
 268
 269 #endif
 270
 271 // 'classic' MLTE implementation
 272
 273 class wxMacMLTEClassicControl : public wxMacMLTEControl
 274 {
 275 public :
 276     wxMacMLTEClassicControl( wxTextCtrl *wxPeer,
 277                              const wxString& str,
 278                              const wxPoint& pos,
 279                              const wxSize& size, long style ) ;
 280     virtual ~wxMacMLTEClassicControl() ;
 281
 282     virtual void VisibilityChanged(bool shown) ;
 283     virtual void SuperChangedPosition() ;
 284
 285     virtual void            MacControlUserPaneDrawProc(wxInt16 part) ;
 286     virtual wxInt16         MacControlUserPaneHitTestProc(wxInt16 x, wxInt16 y) ;
 287     virtual wxInt16         MacControlUserPaneTrackingProc(wxInt16 x, wxInt16 y, void* actionProc) ;
 288     virtual void            MacControlUserPaneIdleProc() ;
 289     virtual wxInt16         MacControlUserPaneKeyDownProc(wxInt16 keyCode, wxInt16 charCode, wxInt16 modifiers) ;
 290     virtual void            MacControlUserPaneActivateProc(bool activating) ;
 291     virtual wxInt16         MacControlUserPaneFocusProc(wxInt16 action) ;
 292     virtual void            MacControlUserPaneBackgroundProc(void* info) ;
 293
 294     virtual bool SetupCursor( const wxPoint& WXUNUSED(pt) )
 295     {
 296         MacControlUserPaneIdleProc();
 297         return true;
 298     }
 299
 300     virtual void            SetRect( Rect *r ) ;
 301
 302 protected :
 303     OSStatus                 DoCreate();
 304
 305     void                    MacUpdatePosition() ;
 306     void                    MacActivatePaneText(bool setActive) ;
 307     void                    MacFocusPaneText(bool setFocus) ;
 308     void                    MacSetObjectVisibility(bool vis) ;
 309
 310 private :
 311     TXNFrameID              m_txnFrameID ;
 312     GrafPtr                 m_txnPort ;
 313     WindowRef               m_txnWindow ;
 314     // bounds of the control as we last did set the txn frames
 315     Rect                    m_txnControlBounds ;
 316     Rect                    m_txnVisBounds ;
 317
 318 #ifdef __WXMAC_OSX__
 319     static pascal void TXNScrollActionProc( ControlRef controlRef , ControlPartCode partCode ) ;
 320     static pascal void TXNScrollInfoProc(
 321         SInt32 iValue, SInt32 iMaximumValue,
 322         TXNScrollBarOrientation iScrollBarOrientation, SInt32 iRefCon ) ;
 323
 324     ControlRef              m_sbHorizontal ;
 325     SInt32                  m_lastHorizontalValue ;
 326     ControlRef              m_sbVertical ;
 327     SInt32                  m_lastVerticalValue ;
 328 #endif
 329 };
 330
 331
 332 IMPLEMENT_DYNAMIC_CLASS(wxTextCtrl, wxTextCtrlBase)
 333
 334 BEGIN_EVENT_TABLE(wxTextCtrl, wxTextCtrlBase)
 335     EVT_ERASE_BACKGROUND( wxTextCtrl::OnEraseBackground )
 336     EVT_DROP_FILES(wxTextCtrl::OnDropFiles)
 337     EVT_CHAR(wxTextCtrl::OnChar)
 338     EVT_MENU(wxID_CUT, wxTextCtrl::OnCut)
 339     EVT_MENU(wxID_COPY, wxTextCtrl::OnCopy)
 340     EVT_MENU(wxID_PASTE, wxTextCtrl::OnPaste)
 341     EVT_MENU(wxID_UNDO, wxTextCtrl::OnUndo)
 342     EVT_MENU(wxID_REDO, wxTextCtrl::OnRedo)
 343     EVT_MENU(wxID_CLEAR, wxTextCtrl::OnDelete)
 344     EVT_MENU(wxID_SELECTALL, wxTextCtrl::OnSelectAll)
 345
 346     EVT_CONTEXT_MENU(wxTextCtrl::OnContextMenu)
 347
 348     EVT_UPDATE_UI(wxID_CUT, wxTextCtrl::OnUpdateCut)
 349     EVT_UPDATE_UI(wxID_COPY, wxTextCtrl::OnUpdateCopy)
 350     EVT_UPDATE_UI(wxID_PASTE, wxTextCtrl::OnUpdatePaste)
 351     EVT_UPDATE_UI(wxID_UNDO, wxTextCtrl::OnUpdateUndo)
 352     EVT_UPDATE_UI(wxID_REDO, wxTextCtrl::OnUpdateRedo)
 353     EVT_UPDATE_UI(wxID_CLEAR, wxTextCtrl::OnUpdateDelete)
 354     EVT_UPDATE_UI(wxID_SELECTALL, wxTextCtrl::OnUpdateSelectAll)
 355 END_EVENT_TABLE()
 356
 357
 358 void wxTextCtrl::Init()
 359 {
 360     m_editable = true ;
 361     m_dirty = false;
 362
 363     m_maxLength = 0;
 364     m_privateContextMenu = NULL;
 365     m_triggerOnSetValue = true ;
 366 }
 367
 368 wxTextCtrl::~wxTextCtrl()
 369 {
 370     delete m_privateContextMenu;
 371 }
 372
 373 bool wxTextCtrl::Create( wxWindow *parent,
 374     wxWindowID id,
 375     const wxString& str,
 376     const wxPoint& pos,
 377     const wxSize& size,
 378     long style,
 379     const wxValidator& validator,
 380     const wxString& name )
 381 {
 382     m_macIsUserPane = false ;
 383     m_editable = true ;
 384
 385     if ( ! (style & wxNO_BORDER) )
 386         style = (style & ~wxBORDER_MASK) | wxSUNKEN_BORDER ;
 387
 388     if ( !wxTextCtrlBase::Create( parent, id, pos, size, style & ~(wxHSCROLL | wxVSCROLL), validator, name ) )
 389         return false;
 390
 391     if ( m_windowStyle & wxTE_MULTILINE )
 392     {
 393         // always turn on this style for multi-line controls
 394         m_windowStyle |= wxTE_PROCESS_ENTER;
 395         style |= wxTE_PROCESS_ENTER ;
 396     }
 397
 398     CreatePeer( str, pos, size, style );
 399
 400     MacPostControlCreate(pos, size) ;
 401
 402     // only now the embedding is correct and we can do a positioning update
 403
 404     MacSuperChangedPosition() ;
 405
 406     if ( m_windowStyle & wxTE_READONLY)
 407         SetEditable( false ) ;
 408
 409     SetCursor( wxCursor( wxCURSOR_IBEAM ) ) ;
 410
 411     return true;
 412 }
 413
 414 void wxTextCtrl::CreatePeer(
 415            const wxString& str,
 416            const wxPoint& pos,
 417            const wxSize& size, long style )
 418 {
 419     bool forceMLTE = false ;
 420
 421 #if wxUSE_SYSTEM_OPTIONS
 422     if (wxSystemOptions::HasOption( wxMAC_TEXTCONTROL_USE_MLTE ) && (wxSystemOptions::GetOptionInt( wxMAC_TEXTCONTROL_USE_MLTE ) == 1))
 423     {
 424         forceMLTE = true ;
 425     }
 426 #endif
 427 #if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_5
 428     forceMLTE = false;
 429 #endif
 430
 431 #ifdef __WXMAC_OSX__
 432 #if MAC_OS_X_VERSION_MAX_ALLOWED > MAC_OS_X_VERSION_10_2
 433     if ( UMAGetSystemVersion() >= 0x1030 && !forceMLTE )
 434     {
 435         if ( m_windowStyle & wxTE_MULTILINE )
 436             m_peer = new wxMacMLTEHIViewControl( this , str , pos , size , style ) ;
 437     }
 438 #endif
 439
 440     if ( !m_peer )
 441     {
 442 #if MAC_OS_X_VERSION_MAX_ALLOWED < MAC_OS_X_VERSION_10_5
 443         if ( !(m_windowStyle & wxTE_MULTILINE) && !forceMLTE )
 444 #endif
 445         {
 446             m_peer = new wxMacUnicodeTextControl( this , str , pos , size , style ) ;
 447         }
 448     }
 449 #endif
 450
 451     // the horizontal single line scrolling bug that made us keep
 452 #if MAC_OS_X_VERSION_MAX_ALLOWED < MAC_OS_X_VERSION_10_5
 453     if ( !m_peer )
 454         m_peer = new wxMacMLTEClassicControl( this , str , pos , size , style ) ;
 455 #endif
 456 }
 457
 458 void wxTextCtrl::MacSuperChangedPosition()
 459 {
 460     wxWindow::MacSuperChangedPosition() ;
 461     GetPeer()->SuperChangedPosition() ;
 462 }
 463
 464 void wxTextCtrl::MacVisibilityChanged()
 465 {
 466     GetPeer()->VisibilityChanged( MacIsReallyShown() ) ;
 467 }
 468
 469 void wxTextCtrl::MacEnabledStateChanged()
 470 {
 471 }
 472
 473 void wxTextCtrl::MacCheckSpelling(bool check)
 474 {
 475     GetPeer()->CheckSpelling(check);
 476 }
 477
 478 wxString wxTextCtrl::GetValue() const
 479 {
 480     return GetPeer()->GetStringValue() ;
 481 }
 482
 483 void wxTextCtrl::GetSelection(long* from, long* to) const
 484 {
 485     GetPeer()->GetSelection( from , to ) ;
 486 }
 487
 488 void wxTextCtrl::DoSetValue(const wxString& str, int flags)
 489 {
 490     // optimize redraws
 491     if ( GetValue() == str )
 492         return;
 493
 494     GetPeer()->SetStringValue( str ) ;
 495
 496     if ( (flags & SetValue_SendEvent) && m_triggerOnSetValue )
 497     {
 498         SendTextUpdatedEvent();
 499     }
 500 }
 501
 502 void wxTextCtrl::SetMaxLength(unsigned long len)
 503 {
 504     m_maxLength = len ;
 505 }
 506
 507 bool wxTextCtrl::SetFont( const wxFont& font )
 508 {
 509     if ( !wxTextCtrlBase::SetFont( font ) )
 510         return false ;
 511
 512     GetPeer()->SetFont( font , GetForegroundColour() , GetWindowStyle() ) ;
 513
 514     return true ;
 515 }
 516
 517 bool wxTextCtrl::SetStyle(long start, long end, const wxTextAttr& style)
 518 {
 519     GetPeer()->SetStyle( start , end , style ) ;
 520
 521     return true ;
 522 }
 523
 524 bool wxTextCtrl::SetDefaultStyle(const wxTextAttr& style)
 525 {
 526     wxTextCtrlBase::SetDefaultStyle( style ) ;
 527     SetStyle( kTXNUseCurrentSelection , kTXNUseCurrentSelection , GetDefaultStyle() ) ;
 528
 529     return true ;
 530 }
 531
 532 // Clipboard operations
 533
 534 void wxTextCtrl::Copy()
 535 {
 536     if (CanCopy())
 537         GetPeer()->Copy() ;
 538 }
 539
 540 void wxTextCtrl::Cut()
 541 {
 542     if (CanCut())
 543     {
 544         GetPeer()->Cut() ;
 545
 546         wxCommandEvent event( wxEVT_COMMAND_TEXT_UPDATED, m_windowId );
 547         event.SetEventObject( this );
 548         GetEventHandler()->ProcessEvent( event );
 549       }
 550 }
 551
 552 void wxTextCtrl::Paste()
 553 {
 554     if (CanPaste())
 555     {
 556         GetPeer()->Paste() ;
 557
 558         // TODO: eventually we should add setting the default style again
 559
 560         wxCommandEvent event( wxEVT_COMMAND_TEXT_UPDATED, m_windowId );
 561         event.SetEventObject( this );
 562         GetEventHandler()->ProcessEvent( event );
 563     }
 564 }
 565
 566 bool wxTextCtrl::CanCopy() const
 567 {
 568     // Can copy if there's a selection
 569     long from, to;
 570     GetSelection( &from, &to );
 571
 572     return (from != to);
 573 }
 574
 575 bool wxTextCtrl::CanCut() const
 576 {
 577     if ( !IsEditable() )
 578         return false;
 579
 580     // Can cut if there's a selection
 581     long from, to;
 582     GetSelection( &from, &to );
 583
 584     return (from != to);
 585 }
 586
 587 bool wxTextCtrl::CanPaste() const
 588 {
 589     if (!IsEditable())
 590         return false;
 591
 592     return GetPeer()->CanPaste() ;
 593 }
 594
 595 void wxTextCtrl::SetEditable(bool editable)
 596 {
 597     if ( editable != m_editable )
 598     {
 599         m_editable = editable ;
 600         GetPeer()->SetEditable( editable ) ;
 601     }
 602 }
 603
 604 void wxTextCtrl::SetInsertionPoint(long pos)
 605 {
 606     SetSelection( pos , pos ) ;
 607 }
 608
 609 void wxTextCtrl::SetInsertionPointEnd()
 610 {
 611     wxTextPos pos = GetLastPosition();
 612     SetInsertionPoint( pos );
 613 }
 614
 615 long wxTextCtrl::GetInsertionPoint() const
 616 {
 617     long begin, end ;
 618     GetSelection( &begin , &end ) ;
 619
 620     return begin ;
 621 }
 622
 623 wxTextPos wxTextCtrl::GetLastPosition() const
 624 {
 625     return GetPeer()->GetLastPosition() ;
 626 }
 627
 628 void wxTextCtrl::Replace(long from, long to, const wxString& str)
 629 {
 630     GetPeer()->Replace( from , to , str ) ;
 631 }
 632
 633 void wxTextCtrl::Remove(long from, long to)
 634 {
 635     GetPeer()->Remove( from , to ) ;
 636 }
 637
 638 void wxTextCtrl::SetSelection(long from, long to)
 639 {
 640     GetPeer()->SetSelection( from , to ) ;
 641 }
 642
 643 void wxTextCtrl::WriteText(const wxString& str)
 644 {
 645     // TODO: this MPRemoting will be moved into a remoting peer proxy for any command
 646     if ( !wxIsMainThread() )
 647     {
 648         // unfortunately CW 8 is not able to correctly deduce the template types,
 649         // so we have to instantiate explicitly
 650         wxMacMPRemoteGUICall<wxTextCtrl,wxString>( this , &wxTextCtrl::WriteText , str ) ;
 651
 652         return ;
 653     }
 654
 655     GetPeer()->WriteText( str ) ;
 656 }
 657
 658 void wxTextCtrl::AppendText(const wxString& text)
 659 {
 660     SetInsertionPointEnd();
 661     WriteText( text );
 662 }
 663
 664 void wxTextCtrl::Clear()
 665 {
 666     GetPeer()->Clear() ;
 667 }
 668
 669 bool wxTextCtrl::IsModified() const
 670 {
 671     return m_dirty;
 672 }
 673
 674 bool wxTextCtrl::IsEditable() const
 675 {
 676     return IsEnabled() && m_editable ;
 677 }
 678
 679 bool wxTextCtrl::AcceptsFocus() const
 680 {
 681     // we don't want focus if we can't be edited
 682     return /*IsEditable() && */ wxControl::AcceptsFocus();
 683 }
 684
 685 wxSize wxTextCtrl::DoGetBestSize() const
 686 {
 687     int wText, hText;
 688
 689     // these are the numbers from the HIG:
 690     // we reduce them by the borders first
 691     wText = 100 ;
 692
 693     switch ( m_windowVariant )
 694     {
 695         case wxWINDOW_VARIANT_NORMAL :
 696             hText = 22 - 6 ;
 697             break ;
 698
 699         case wxWINDOW_VARIANT_SMALL :
 700             hText = 19 - 6 ;
 701             break ;
 702
 703         case wxWINDOW_VARIANT_MINI :
 704             hText = 15 - 6 ;
 705             break ;
 706
 707         default :
 708             hText = 22 - 6;
 709             break ;
 710     }
 711
 712     // as the above numbers have some free space around the text
 713     // we get 5 lines like this anyway
 714     if ( m_windowStyle & wxTE_MULTILINE )
 715          hText *= 5 ;
 716
 717     if ( !HasFlag(wxNO_BORDER) )
 718         hText += 6 ;
 719
 720     return wxSize(wText, hText);
 721 }
 722
 723 // ----------------------------------------------------------------------------
 724 // Undo/redo
 725 // ----------------------------------------------------------------------------
 726
 727 void wxTextCtrl::Undo()
 728 {
 729     if (CanUndo())
 730         GetPeer()->Undo() ;
 731 }
 732
 733 void wxTextCtrl::Redo()
 734 {
 735     if (CanRedo())
 736         GetPeer()->Redo() ;
 737 }
 738
 739 bool wxTextCtrl::CanUndo() const
 740 {
 741     if ( !IsEditable() )
 742         return false ;
 743
 744     return GetPeer()->CanUndo() ;
 745 }
 746
 747 bool wxTextCtrl::CanRedo() const
 748 {
 749     if ( !IsEditable() )
 750         return false ;
 751
 752     return GetPeer()->CanRedo() ;
 753 }
 754
 755 void wxTextCtrl::MarkDirty()
 756 {
 757     m_dirty = true;
 758 }
 759
 760 void wxTextCtrl::DiscardEdits()
 761 {
 762     m_dirty = false;
 763 }
 764
 765 int wxTextCtrl::GetNumberOfLines() const
 766 {
 767     return GetPeer()->GetNumberOfLines() ;
 768 }
 769
 770 long wxTextCtrl::XYToPosition(long x, long y) const
 771 {
 772     return GetPeer()->XYToPosition( x , y ) ;
 773 }
 774
 775 bool wxTextCtrl::PositionToXY(long pos, long *x, long *y) const
 776 {
 777     return GetPeer()->PositionToXY( pos , x , y ) ;
 778 }
 779
 780 void wxTextCtrl::ShowPosition(long pos)
 781 {
 782     return GetPeer()->ShowPosition(pos) ;
 783 }
 784
 785 int wxTextCtrl::GetLineLength(long lineNo) const
 786 {
 787     return GetPeer()->GetLineLength(lineNo) ;
 788 }
 789
 790 wxString wxTextCtrl::GetLineText(long lineNo) const
 791 {
 792     return GetPeer()->GetLineText(lineNo) ;
 793 }
 794
 795 void wxTextCtrl::Command(wxCommandEvent & event)
 796 {
 797     SetValue(event.GetString());
 798     ProcessCommand(event);
 799 }
 800
 801 void wxTextCtrl::OnDropFiles(wxDropFilesEvent& event)
 802 {
 803     // By default, load the first file into the text window.
 804     if (event.GetNumberOfFiles() > 0)
 805         LoadFile( event.GetFiles()[0] );
 806 }
 807
 808 void wxTextCtrl::OnEraseBackground(wxEraseEvent& event)
 809 {
 810     // all erasing should be done by the real mac control implementation
 811     // while this is true for MLTE under classic, the HITextView is somehow
 812     // transparent but background erase is not working correctly, so intercept
 813     // things while we can...
 814     event.Skip() ;
 815 }
 816
 817 void wxTextCtrl::OnChar(wxKeyEvent& event)
 818 {
 819     int key = event.GetKeyCode() ;
 820     bool eat_key = false ;
 821
 822     if ( key == 'a' && event.MetaDown() )
 823     {
 824         SelectAll() ;
 825
 826         return ;
 827     }
 828
 829     if ( key == 'c' && event.MetaDown() )
 830     {
 831         if ( CanCopy() )
 832             Copy() ;
 833
 834         return ;
 835     }
 836
 837     if ( !IsEditable() && key != WXK_LEFT && key != WXK_RIGHT && key != WXK_DOWN && key != WXK_UP && key != WXK_TAB &&
 838         !( key == WXK_RETURN && ( (m_windowStyle & wxTE_PROCESS_ENTER) || (m_windowStyle & wxTE_MULTILINE) ) )
 839 //        && key != WXK_PAGEUP && key != WXK_PAGEDOWN && key != WXK_HOME && key != WXK_END
 840         )
 841     {
 842         // eat it
 843         return ;
 844     }
 845
 846     // Check if we have reached the max # of chars (if it is set), but still
 847     // allow navigation and deletion
 848     if ( !IsMultiLine() && m_maxLength && GetValue().length() >= m_maxLength &&
 849         key != WXK_LEFT && key != WXK_RIGHT && key != WXK_TAB &&
 850         key != WXK_BACK && !( key == WXK_RETURN && (m_windowStyle & wxTE_PROCESS_ENTER) )
 851        )
 852     {
 853         // eat it, we don't want to add more than allowed # of characters
 854
 855         // TODO: generate EVT_TEXT_MAXLEN()
 856         return;
 857     }
 858
 859     // assume that any key not processed yet is going to modify the control
 860     m_dirty = true;
 861
 862     if ( key == 'v' && event.MetaDown() )
 863     {
 864         if ( CanPaste() )
 865             Paste() ;
 866
 867         return ;
 868     }
 869
 870     if ( key == 'x' && event.MetaDown() )
 871     {
 872         if ( CanCut() )
 873             Cut() ;
 874
 875         return ;
 876     }
 877
 878     switch ( key )
 879     {
 880         case WXK_RETURN:
 881             if (m_windowStyle & wxTE_PROCESS_ENTER)
 882             {
 883                 wxCommandEvent event(wxEVT_COMMAND_TEXT_ENTER, m_windowId);
 884                 event.SetEventObject( this );
 885                 event.SetString( GetValue() );
 886                 if ( GetEventHandler()->ProcessEvent(event) )
 887                     return;
 888             }
 889
 890             if ( !(m_windowStyle & wxTE_MULTILINE) )
 891             {
 892                 wxTopLevelWindow *tlw = wxDynamicCast(wxGetTopLevelParent(this), wxTopLevelWindow);
 893                 if ( tlw && tlw->GetDefaultItem() )
 894                 {
 895                     wxButton *def = wxDynamicCast(tlw->GetDefaultItem(), wxButton);
 896                     if ( def && def->IsEnabled() )
 897                     {
 898                         wxCommandEvent event(wxEVT_COMMAND_BUTTON_CLICKED, def->GetId() );
 899                         event.SetEventObject(def);
 900                         def->Command(event);
 901
 902                         return ;
 903                     }
 904                 }
 905
 906                 // this will make wxWidgets eat the ENTER key so that
 907                 // we actually prevent line wrapping in a single line text control
 908                 eat_key = true;
 909             }
 910             break;
 911
 912         case WXK_TAB:
 913             if ( !(m_windowStyle & wxTE_PROCESS_TAB))
 914             {
 915                 int flags = 0;
 916                 if (!event.ShiftDown())
 917                     flags |= wxNavigationKeyEvent::IsForward ;
 918                 if (event.ControlDown())
 919                     flags |= wxNavigationKeyEvent::WinChange ;
 920                 Navigate(flags);
 921
 922                 return;
 923             }
 924             else
 925             {
 926                 // This is necessary (don't know why);
 927                 // otherwise the tab will not be inserted.
 928                 WriteText(wxT("\t"));
 929                 eat_key = true;
 930             }
 931             break;
 932
 933         default:
 934             break;
 935     }
 936
 937     if (!eat_key)
 938     {
 939         // perform keystroke handling
 940         event.Skip(true) ;
 941     }
 942
 943     if ( ( key >= 0x20 && key < WXK_START ) ||
 944          ( key >= WXK_NUMPAD0 && key <= WXK_DIVIDE ) ||
 945          key == WXK_RETURN ||
 946          key == WXK_DELETE ||
 947          key == WXK_BACK)
 948     {
 949         wxCommandEvent event1(wxEVT_COMMAND_TEXT_UPDATED, m_windowId);
 950         event1.SetEventObject( this );
 951         wxPostEvent( GetEventHandler(), event1 );
 952     }
 953 }
 954
 955 // ----------------------------------------------------------------------------
 956 // standard handlers for standard edit menu events
 957 // ----------------------------------------------------------------------------
 958
 959 void wxTextCtrl::OnCut(wxCommandEvent& WXUNUSED(event))
 960 {
 961     Cut();
 962 }
 963
 964 void wxTextCtrl::OnCopy(wxCommandEvent& WXUNUSED(event))
 965 {
 966     Copy();
 967 }
 968
 969 void wxTextCtrl::OnPaste(wxCommandEvent& WXUNUSED(event))
 970 {
 971     Paste();
 972 }
 973
 974 void wxTextCtrl::OnUndo(wxCommandEvent& WXUNUSED(event))
 975 {
 976     Undo();
 977 }
 978
 979 void wxTextCtrl::OnRedo(wxCommandEvent& WXUNUSED(event))
 980 {
 981     Redo();
 982 }
 983
 984 void wxTextCtrl::OnDelete(wxCommandEvent& WXUNUSED(event))
 985 {
 986     long from, to;
 987
 988     GetSelection( &from, &to );
 989     if (from != -1 && to != -1)
 990         Remove( from, to );
 991 }
 992
 993 void wxTextCtrl::OnSelectAll(wxCommandEvent& WXUNUSED(event))
 994 {
 995     SetSelection(-1, -1);
 996 }
 997
 998 void wxTextCtrl::OnUpdateCut(wxUpdateUIEvent& event)
 999 {
1000     event.Enable( CanCut() );
1001 }
1002
1003 void wxTextCtrl::OnUpdateCopy(wxUpdateUIEvent& event)
1004 {
1005     event.Enable( CanCopy() );
1006 }
1007
1008 void wxTextCtrl::OnUpdatePaste(wxUpdateUIEvent& event)
1009 {
1010     event.Enable( CanPaste() );
1011 }
1012
1013 void wxTextCtrl::OnUpdateUndo(wxUpdateUIEvent& event)
1014 {
1015     event.Enable( CanUndo() );
1016 }
1017
1018 void wxTextCtrl::OnUpdateRedo(wxUpdateUIEvent& event)
1019 {
1020     event.Enable( CanRedo() );
1021 }
1022
1023 void wxTextCtrl::OnUpdateDelete(wxUpdateUIEvent& event)
1024 {
1025     long from, to;
1026
1027     GetSelection( &from, &to );
1028     event.Enable( from != -1 && to != -1 && from != to && IsEditable() ) ;
1029 }
1030
1031 void wxTextCtrl::OnUpdateSelectAll(wxUpdateUIEvent& event)
1032 {
1033     event.Enable(GetLastPosition() > 0);
1034 }
1035
1036 // CS: Context Menus only work with MLTE implementations or non-multiline HIViews at the moment
1037
1038 void wxTextCtrl::OnContextMenu(wxContextMenuEvent& event)
1039 {
1040     if ( GetPeer()->HasOwnContextMenu() )
1041     {
1042         event.Skip() ;
1043         return ;
1044     }
1045
1046     if (m_privateContextMenu == NULL)
1047     {
1048         m_privateContextMenu = new wxMenu;
1049         m_privateContextMenu->Append(wxID_UNDO, _("&Undo"));
1050         m_privateContextMenu->Append(wxID_REDO, _("&Redo"));
1051         m_privateContextMenu->AppendSeparator();
1052         m_privateContextMenu->Append(wxID_CUT, _("Cu&t"));
1053         m_privateContextMenu->Append(wxID_COPY, _("&Copy"));
1054         m_privateContextMenu->Append(wxID_PASTE, _("&Paste"));
1055         m_privateContextMenu->Append(wxID_CLEAR, _("&Delete"));
1056         m_privateContextMenu->AppendSeparator();
1057         m_privateContextMenu->Append(wxID_SELECTALL, _("Select &All"));
1058     }
1059
1060     if (m_privateContextMenu != NULL)
1061         PopupMenu(m_privateContextMenu);
1062 }
1063
1064 bool wxTextCtrl::MacSetupCursor( const wxPoint& pt )
1065 {
1066     if ( !GetPeer()->SetupCursor( pt ) )
1067         return wxWindow::MacSetupCursor( pt ) ;
1068     else
1069         return true ;
1070 }
1071
1072 #if !TARGET_API_MAC_OSX
1073
1074 // user pane implementation
1075
1076 void wxTextCtrl::MacControlUserPaneDrawProc(wxInt16 part)
1077 {
1078     GetPeer()->MacControlUserPaneDrawProc( part ) ;
1079 }
1080
1081 wxInt16 wxTextCtrl::MacControlUserPaneHitTestProc(wxInt16 x, wxInt16 y)
1082 {
1083     return GetPeer()->MacControlUserPaneHitTestProc( x , y ) ;
1084 }
1085
1086 wxInt16 wxTextCtrl::MacControlUserPaneTrackingProc(wxInt16 x, wxInt16 y, void* actionProc)
1087 {
1088     return GetPeer()->MacControlUserPaneTrackingProc( x , y , actionProc ) ;
1089 }
1090
1091 void wxTextCtrl::MacControlUserPaneIdleProc()
1092 {
1093     GetPeer()->MacControlUserPaneIdleProc( ) ;
1094 }
1095
1096 wxInt16 wxTextCtrl::MacControlUserPaneKeyDownProc(wxInt16 keyCode, wxInt16 charCode, wxInt16 modifiers)
1097 {
1098     return GetPeer()->MacControlUserPaneKeyDownProc( keyCode , charCode , modifiers ) ;
1099 }
1100
1101 void wxTextCtrl::MacControlUserPaneActivateProc(bool activating)
1102 {
1103     GetPeer()->MacControlUserPaneActivateProc( activating ) ;
1104 }
1105
1106 wxInt16 wxTextCtrl::MacControlUserPaneFocusProc(wxInt16 action)
1107 {
1108     return GetPeer()->MacControlUserPaneFocusProc( action ) ;
1109 }
1110
1111 void wxTextCtrl::MacControlUserPaneBackgroundProc(void* info)
1112 {
1113     GetPeer()->MacControlUserPaneBackgroundProc( info ) ;
1114 }
1115
1116 #endif
1117
1118 // ----------------------------------------------------------------------------
1119 // implementation base class
1120 // ----------------------------------------------------------------------------
1121
1122 wxMacTextControl::wxMacTextControl(wxTextCtrl* peer) :
1123     wxMacControl( peer )
1124 {
1125 }
1126
1127 wxMacTextControl::~wxMacTextControl()
1128 {
1129 }
1130
1131 void wxMacTextControl::SetStyle(long WXUNUSED(start),
1132                                 long WXUNUSED(end),
1133                                 const wxTextAttr& WXUNUSED(style))
1134 {
1135 }
1136
1137 void wxMacTextControl::Copy()
1138 {
1139 }
1140
1141 void wxMacTextControl::Cut()
1142 {
1143 }
1144
1145 void wxMacTextControl::Paste()
1146 {
1147 }
1148
1149 bool wxMacTextControl::CanPaste() const
1150 {
1151     return false ;
1152 }
1153
1154 void wxMacTextControl::SetEditable(bool WXUNUSED(editable))
1155 {
1156 }
1157
1158 wxTextPos wxMacTextControl::GetLastPosition() const
1159 {
1160     return GetStringValue().length() ;
1161 }
1162
1163 void wxMacTextControl::Replace( long from , long to , const wxString &val )
1164 {
1165     SetSelection( from , to ) ;
1166     WriteText( val ) ;
1167 }
1168
1169 void wxMacTextControl::Remove( long from , long to )
1170 {
1171     SetSelection( from , to ) ;
1172     WriteText( wxEmptyString) ;
1173 }
1174
1175 void wxMacTextControl::Clear()
1176 {
1177     SetStringValue( wxEmptyString ) ;
1178 }
1179
1180 bool wxMacTextControl::CanUndo() const
1181 {
1182     return false ;
1183 }
1184
1185 void wxMacTextControl::Undo()
1186 {
1187 }
1188
1189 bool wxMacTextControl::CanRedo()  const
1190 {
1191     return false ;
1192 }
1193
1194 void wxMacTextControl::Redo()
1195 {
1196 }
1197
1198 long wxMacTextControl::XYToPosition(long WXUNUSED(x), long WXUNUSED(y)) const
1199 {
1200     return 0 ;
1201 }
1202
1203 bool wxMacTextControl::PositionToXY(long WXUNUSED(pos),
1204                                     long *WXUNUSED(x),
1205                                     long *WXUNUSED(y)) const
1206 {
1207     return false ;
1208 }
1209
1210 void wxMacTextControl::ShowPosition( long WXUNUSED(pos) )
1211 {
1212 }
1213
1214 int wxMacTextControl::GetNumberOfLines() const
1215 {
1216     ItemCount lines = 0 ;
1217     wxString content = GetStringValue() ;
1218     lines = 1;
1219
1220     for (size_t i = 0; i < content.length() ; i++)
1221     {
1222         if (content[i] == '\r')
1223             lines++;
1224     }
1225
1226     return lines ;
1227 }
1228
1229 wxString wxMacTextControl::GetLineText(long lineNo) const
1230 {
1231     // TODO: change this if possible to reflect real lines
1232     wxString content = GetStringValue() ;
1233
1234     // Find line first
1235     int count = 0;
1236     for (size_t i = 0; i < content.length() ; i++)
1237     {
1238         if (count == lineNo)
1239         {
1240             // Add chars in line then
1241             wxString tmp;
1242
1243             for (size_t j = i; j < content.length(); j++)
1244             {
1245                 if (content[j] == '\n')
1246                     return tmp;
1247
1248                 tmp += content[j];
1249             }
1250
1251             return tmp;
1252         }
1253
1254         if (content[i] == '\n')
1255             count++;
1256     }
1257
1258     return wxEmptyString ;
1259 }
1260
1261 int wxMacTextControl::GetLineLength(long lineNo) const
1262 {
1263     // TODO: change this if possible to reflect real lines
1264     wxString content = GetStringValue() ;
1265
1266     // Find line first
1267     int count = 0;
1268     for (size_t i = 0; i < content.length() ; i++)
1269     {
1270         if (count == lineNo)
1271         {
1272             // Count chars in line then
1273             count = 0;
1274             for (size_t j = i; j < content.length(); j++)
1275             {
1276                 count++;
1277                 if (content[j] == '\n')
1278                     return count;
1279             }
1280
1281             return count;
1282         }
1283
1284         if (content[i] == '\n')
1285             count++;
1286     }
1287
1288     return 0 ;
1289 }
1290
1291 // ----------------------------------------------------------------------------
1292 // standard unicode control implementation
1293 // ----------------------------------------------------------------------------
1294
1295 #if TARGET_API_MAC_OSX
1296
1297 // the current unicode textcontrol implementation has a bug : only if the control
1298 // is currently having the focus, the selection can be retrieved by the corresponding
1299 // data tag. So we have a mirroring using a member variable
1300 // TODO : build event table using virtual member functions for wxMacControl
1301
1302 static const EventTypeSpec unicodeTextControlEventList[] =
1303 {
1304     { kEventClassControl , kEventControlSetFocusPart } ,
1305 } ;
1306
1307 static pascal OSStatus wxMacUnicodeTextControlControlEventHandler( EventHandlerCallRef handler , EventRef event , void *data )
1308 {
1309     OSStatus result = eventNotHandledErr ;
1310     wxMacUnicodeTextControl* focus = (wxMacUnicodeTextControl*) data ;
1311     wxMacCarbonEvent cEvent( event ) ;
1312
1313     switch ( GetEventKind( event ) )
1314     {
1315         case kEventControlSetFocusPart :
1316         {
1317             ControlPartCode controlPart = cEvent.GetParameter<ControlPartCode>(kEventParamControlPart , typeControlPartCode );
1318             if ( controlPart == kControlFocusNoPart )
1319             {
1320                 // about to loose focus -> store selection to field
1321                 focus->GetData<ControlEditTextSelectionRec>( 0, kControlEditTextSelectionTag, &focus->m_selection );
1322             }
1323             result = CallNextEventHandler(handler,event) ;
1324             if ( controlPart != kControlFocusNoPart )
1325             {
1326                 // about to gain focus -> set selection from field
1327                 focus->SetData<ControlEditTextSelectionRec>( 0, kControlEditTextSelectionTag, &focus->m_selection );
1328             }
1329             break;
1330         }
1331         default:
1332             break ;
1333     }
1334
1335     return result ;
1336 }
1337
1338 static pascal OSStatus wxMacUnicodeTextControlEventHandler( EventHandlerCallRef handler , EventRef event , void *data )
1339 {
1340     OSStatus result = eventNotHandledErr ;
1341
1342     switch ( GetEventClass( event ) )
1343     {
1344         case kEventClassControl :
1345             result = wxMacUnicodeTextControlControlEventHandler( handler , event , data ) ;
1346             break ;
1347
1348         default :
1349             break ;
1350     }
1351     return result ;
1352 }
1353
1354 DEFINE_ONE_SHOT_HANDLER_GETTER( wxMacUnicodeTextControlEventHandler )
1355
1356 wxMacUnicodeTextControl::wxMacUnicodeTextControl( wxTextCtrl *wxPeer ) : wxMacTextControl( wxPeer )
1357 {
1358 }
1359
1360 wxMacUnicodeTextControl::wxMacUnicodeTextControl( wxTextCtrl *wxPeer,
1361     const wxString& str,
1362     const wxPoint& pos,
1363     const wxSize& size, long style )
1364     : wxMacTextControl( wxPeer )
1365 {
1366     Create( wxPeer, str, pos, size, style );
1367 }
1368
1369 bool wxMacUnicodeTextControl::Create( wxTextCtrl *wxPeer,
1370     const wxString& str,
1371     const wxPoint& pos,
1372     const wxSize& size, long style )
1373 {
1374     m_font = wxPeer->GetFont() ;
1375     m_windowStyle = style ;
1376     Rect bounds = wxMacGetBoundsForControl( wxPeer , pos , size ) ;
1377     wxString st = str ;
1378     wxMacConvertNewlines10To13( &st ) ;
1379     wxMacCFStringHolder cf(st , m_font.GetEncoding()) ;
1380     CFStringRef cfr = cf ;
1381
1382     m_valueTag = kControlEditTextCFStringTag ;
1383     CreateControl( wxPeer, &bounds, cfr );
1384
1385     if ( !(m_windowStyle & wxTE_MULTILINE) )
1386         SetData<Boolean>( kControlEditTextPart , kControlEditTextSingleLineTag , true ) ;
1387
1388     InstallControlEventHandler( m_controlRef , GetwxMacUnicodeTextControlEventHandlerUPP(),
1389                                 GetEventTypeCount(unicodeTextControlEventList), unicodeTextControlEventList, this,
1390                                 &m_focusHandlerRef);
1391
1392     return true;
1393 }
1394
1395 wxMacUnicodeTextControl::~wxMacUnicodeTextControl()
1396 {
1397     ::RemoveEventHandler( m_focusHandlerRef );
1398 }
1399
1400 void wxMacUnicodeTextControl::VisibilityChanged(bool shown)
1401 {
1402     if ( !(m_windowStyle & wxTE_MULTILINE) && shown )
1403     {
1404         // work around a refresh issue insofar as not always the entire content is shown,
1405         // even if this would be possible
1406         ControlEditTextSelectionRec sel ;
1407         CFStringRef value = NULL ;
1408
1409         verify_noerr( GetData<ControlEditTextSelectionRec>( 0, kControlEditTextSelectionTag, &sel ) );
1410         verify_noerr( GetData<CFStringRef>( 0, m_valueTag, &value ) );
1411         verify_noerr( SetData<CFStringRef>( 0, m_valueTag, &value ) );
1412         verify_noerr( SetData<ControlEditTextSelectionRec>( 0, kControlEditTextSelectionTag, &sel ) );
1413
1414         CFRelease( value ) ;
1415     }
1416 }
1417
1418 wxString wxMacUnicodeTextControl::GetStringValue() const
1419 {
1420     wxString result ;
1421     CFStringRef value = GetData<CFStringRef>(0, m_valueTag) ;
1422     if ( value )
1423     {
1424         wxMacCFStringHolder cf(value) ;
1425         result = cf.AsString() ;
1426     }
1427
1428 #if '\n' == 10
1429     wxMacConvertNewlines13To10( &result ) ;
1430 #else
1431     wxMacConvertNewlines10To13( &result ) ;
1432 #endif
1433
1434     return result ;
1435 }
1436
1437 void wxMacUnicodeTextControl::SetStringValue( const wxString &str )
1438 {
1439     wxString st = str ;
1440     wxMacConvertNewlines10To13( &st ) ;
1441     wxMacCFStringHolder cf( st , m_font.GetEncoding() ) ;
1442     verify_noerr( SetData<CFStringRef>( 0, m_valueTag , cf ) ) ;
1443 }
1444
1445 void wxMacUnicodeTextControl::CreateControl( wxTextCtrl* peer, const Rect* bounds, CFStringRef cfr )
1446 {
1447     Boolean isPassword = ( m_windowStyle & wxTE_PASSWORD ) != 0 ;
1448     if ( isPassword )
1449     {
1450         m_valueTag = kControlEditTextPasswordCFStringTag ;
1451     }
1452     OSStatus err = CreateEditUnicodeTextControl(
1453         MAC_WXHWND(peer->MacGetTopLevelWindowRef()), bounds , cfr ,
1454         isPassword , NULL , &m_controlRef ) ;
1455     verify_noerr( err );
1456 }
1457
1458 void wxMacUnicodeTextControl::Copy()
1459 {
1460     SendHICommand( kHICommandCopy ) ;
1461 }
1462
1463 void wxMacUnicodeTextControl::Cut()
1464 {
1465     SendHICommand( kHICommandCut ) ;
1466 }
1467
1468 void wxMacUnicodeTextControl::Paste()
1469 {
1470     SendHICommand( kHICommandPaste ) ;
1471 }
1472
1473 bool wxMacUnicodeTextControl::CanPaste() const
1474 {
1475     return true ;
1476 }
1477
1478 void wxMacUnicodeTextControl::SetEditable(bool WXUNUSED(editable))
1479 {
1480 #if 0 // leads to problem because text cannot be selected anymore
1481     SetData<Boolean>( kControlEditTextPart , kControlEditTextLockedTag , (Boolean) !editable ) ;
1482 #endif
1483 }
1484
1485 void wxMacUnicodeTextControl::GetSelection( long* from, long* to ) const
1486 {
1487     ControlEditTextSelectionRec sel ;
1488     if (HasFocus())
1489         verify_noerr( GetData<ControlEditTextSelectionRec>( 0, kControlEditTextSelectionTag, &sel ) ) ;
1490     else
1491         sel = m_selection ;
1492
1493     if ( from )
1494         *from = sel.selStart ;
1495     if ( to )
1496         *to = sel.selEnd ;
1497 }
1498
1499 void wxMacUnicodeTextControl::SetSelection( long from , long to )
1500 {
1501     ControlEditTextSelectionRec sel ;
1502     wxString result ;
1503     int textLength = 0 ;
1504     CFStringRef value = GetData<CFStringRef>(0, m_valueTag) ;
1505     if ( value )
1506     {
1507         wxMacCFStringHolder cf(value) ;
1508         textLength = cf.AsString().length() ;
1509     }
1510
1511     if ((from == -1) && (to == -1))
1512     {
1513         from = 0 ;
1514         to = textLength ;
1515     }
1516     else
1517     {
1518         from = wxMin(textLength,wxMax(from,0)) ;
1519         to = wxMax(0,wxMin(textLength,to)) ;
1520     }
1521
1522     sel.selStart = from ;
1523     sel.selEnd = to ;
1524     if ( HasFocus() )
1525         SetData<ControlEditTextSelectionRec>( 0, kControlEditTextSelectionTag, &sel ) ;
1526     else
1527         m_selection = sel;
1528 }
1529
1530 void wxMacUnicodeTextControl::WriteText( const wxString& str )
1531 {
1532     wxString st = str ;
1533     wxMacConvertNewlines10To13( &st ) ;
1534
1535 #if MAC_OS_X_VERSION_MAX_ALLOWED > MAC_OS_X_VERSION_10_2
1536     if ( HasFocus() )
1537     {
1538         wxMacCFStringHolder cf(st , m_font.GetEncoding() ) ;
1539         CFStringRef value = cf ;
1540         SetData<CFStringRef>( 0, kControlEditTextInsertCFStringRefTag, &value );
1541     }
1542     else
1543 #endif
1544     {
1545         wxString val = GetStringValue() ;
1546         long start , end ;
1547         GetSelection( &start , &end ) ;
1548         val.Remove( start , end - start ) ;
1549         val.insert( start , str ) ;
1550         SetStringValue( val ) ;
1551         SetSelection( start + str.length() , start + str.length() ) ;
1552     }
1553 }
1554
1555 #endif
1556
1557 // ----------------------------------------------------------------------------
1558 // MLTE control implementation (common part)
1559 // ----------------------------------------------------------------------------
1560
1561 // if MTLE is read only, no changes at all are allowed, not even from
1562 // procedural API, in order to allow changes via API all the same we must undo
1563 // the readonly status while we are executing, this class helps to do so
1564
1565 class wxMacEditHelper
1566 {
1567 public :
1568     wxMacEditHelper( TXNObject txn )
1569     {
1570         TXNControlTag tag[] = { kTXNIOPrivilegesTag } ;
1571         m_txn = txn ;
1572         TXNGetTXNObjectControls( m_txn , 1 , tag , m_data ) ;
1573         if ( m_data[0].uValue == kTXNReadOnly )
1574         {
1575             TXNControlData data[] = { { kTXNReadWrite } } ;
1576             TXNSetTXNObjectControls( m_txn , false , 1 , tag , data ) ;
1577         }
1578     }
1579
1580     ~wxMacEditHelper()
1581     {
1582         TXNControlTag tag[] = { kTXNIOPrivilegesTag } ;
1583         if ( m_data[0].uValue == kTXNReadOnly )
1584             TXNSetTXNObjectControls( m_txn , false , 1 , tag , m_data ) ;
1585     }
1586
1587 protected :
1588     TXNObject m_txn ;
1589     TXNControlData m_data[1] ;
1590 } ;
1591
1592 wxMacMLTEControl::wxMacMLTEControl( wxTextCtrl *peer )
1593     : wxMacTextControl( peer )
1594 {
1595     SetNeedsFocusRect( true ) ;
1596 }
1597
1598 wxString wxMacMLTEControl::GetStringValue() const
1599 {
1600     wxString result ;
1601     OSStatus err ;
1602     Size actualSize = 0;
1603
1604     {
1605 #if wxUSE_UNICODE
1606         Handle theText ;
1607         err = TXNGetDataEncoded( m_txn, kTXNStartOffset, kTXNEndOffset, &theText, kTXNUnicodeTextData );
1608
1609         // all done
1610         if ( err != noErr )
1611         {
1612             actualSize = 0 ;
1613         }
1614         else
1615         {
1616             actualSize = GetHandleSize( theText ) / sizeof(UniChar) ;
1617             if ( actualSize > 0 )
1618             {
1619                 wxChar *ptr = NULL ;
1620
1621 #if SIZEOF_WCHAR_T == 2
1622                 ptr = new wxChar[actualSize + 1] ;
1623                 wxStrncpy( ptr , (wxChar*)(*theText) , actualSize ) ;
1624 #else
1625                 SetHandleSize( theText, (actualSize + 1) * sizeof(UniChar) ) ;
1626                 HLock( theText ) ;
1627                 (((UniChar*)*theText)[actualSize]) = 0 ;
1628                 wxMBConvUTF16 converter ;
1629                 size_t noChars = converter.MB2WC( NULL , (const char*)*theText , 0 ) ;
1630                 wxASSERT_MSG( noChars != wxCONV_FAILED, _T("Unable to count the number of characters in this string!") );
1631                 ptr = new wxChar[noChars + 1] ;
1632
1633                 noChars = converter.MB2WC( ptr , (const char*)*theText , noChars + 1 ) ;
1634                 wxASSERT_MSG( noChars != wxCONV_FAILED, _T("Conversion of string failed!") );
1635                 ptr[noChars] = 0 ;
1636                 HUnlock( theText ) ;
1637 #endif
1638
1639                 ptr[actualSize] = 0 ;
1640                 result = wxString( ptr ) ;
1641                 delete [] ptr ;
1642             }
1643
1644             DisposeHandle( theText ) ;
1645         }
1646 #else
1647         Handle theText ;
1648         err = TXNGetDataEncoded( m_txn , kTXNStartOffset, kTXNEndOffset, &theText, kTXNTextData );
1649
1650         // all done
1651         if ( err != noErr )
1652         {
1653             actualSize = 0 ;
1654         }
1655         else
1656         {
1657             actualSize = GetHandleSize( theText ) ;
1658             if ( actualSize > 0 )
1659             {
1660                 HLock( theText ) ;
1661                 result = wxString( *theText , wxConvLocal , actualSize ) ;
1662                 HUnlock( theText ) ;
1663             }
1664
1665             DisposeHandle( theText ) ;
1666         }
1667 #endif
1668     }
1669
1670 #if '\n' == 10
1671     wxMacConvertNewlines13To10( &result ) ;
1672 #else
1673     wxMacConvertNewlines10To13( &result ) ;
1674 #endif
1675
1676     return result ;
1677 }
1678
1679 void wxMacMLTEControl::SetStringValue( const wxString &str )
1680 {
1681     wxString st = str;
1682     wxMacConvertNewlines10To13( &st );
1683
1684     {
1685 #ifndef __LP64__
1686         wxMacWindowClipper c( m_peer ) ;
1687 #endif
1688
1689         {
1690             wxMacEditHelper help( m_txn );
1691             SetTXNData( st, kTXNStartOffset, kTXNEndOffset );
1692         }
1693
1694         TXNSetSelection( m_txn, 0, 0 );
1695         TXNShowSelection( m_txn, kTXNShowStart );
1696     }
1697 }
1698
1699 TXNFrameOptions wxMacMLTEControl::FrameOptionsFromWXStyle( long wxStyle )
1700 {
1701     TXNFrameOptions frameOptions = kTXNDontDrawCaretWhenInactiveMask;
1702
1703 #if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_3
1704     frameOptions |= kTXNDoFontSubstitutionMask;
1705 #endif
1706
1707     if ( ! (wxStyle & wxTE_NOHIDESEL) )
1708         frameOptions |= kTXNDontDrawSelectionWhenInactiveMask ;
1709
1710     if ( wxStyle & (wxHSCROLL | wxTE_DONTWRAP) )
1711         frameOptions |= kTXNWantHScrollBarMask ;
1712
1713     if ( wxStyle & wxTE_MULTILINE )
1714     {
1715         frameOptions |= kTXNAlwaysWrapAtViewEdgeMask ;
1716
1717         if ( !(wxStyle & wxTE_NO_VSCROLL) )
1718         {
1719             frameOptions |= kTXNWantVScrollBarMask ;
1720
1721             // The following code causes drawing problems on 10.4. Perhaps it can be restored for
1722             // older versions of the OS, but I'm not sure it's appropriate to put a grow icon here
1723             // anyways, as AFAIK users can't actually use it to resize the text ctrl.
1724 //            if ( frameOptions & kTXNWantHScrollBarMask )
1725 //                frameOptions |= kTXNDrawGrowIconMask ;
1726         }
1727     }
1728     else
1729     {
1730         frameOptions |= kTXNSingleLineOnlyMask ;
1731     }
1732
1733     return frameOptions ;
1734 }
1735
1736 void wxMacMLTEControl::AdjustCreationAttributes(const wxColour &background,
1737                                                 bool WXUNUSED(visible))
1738 {
1739     TXNControlTag iControlTags[] =
1740         {
1741             kTXNDoFontSubstitution,
1742             kTXNWordWrapStateTag ,
1743         };
1744     TXNControlData iControlData[] =
1745         {
1746             { true },
1747             { kTXNNoAutoWrap },
1748         };
1749
1750     int toptag = WXSIZEOF( iControlTags ) ;
1751
1752     if ( m_windowStyle & wxTE_MULTILINE )
1753     {
1754         iControlData[1].uValue =
1755             (m_windowStyle & wxTE_DONTWRAP)
1756             ? kTXNNoAutoWrap
1757             : kTXNAutoWrap;
1758     }
1759
1760     OSStatus err = TXNSetTXNObjectControls( m_txn, false, toptag, iControlTags, iControlData ) ;
1761     verify_noerr( err );
1762
1763     // setting the default font:
1764     // under 10.2 this causes a visible caret, therefore we avoid it
1765
1766     if ( UMAGetSystemVersion() >= 0x1030 )
1767     {
1768         Str255 fontName ;
1769         SInt16 fontSize ;
1770         Style fontStyle ;
1771
1772         GetThemeFont( kThemeSystemFont , GetApplicationScript() , fontName , &fontSize , &fontStyle ) ;
1773
1774         TXNTypeAttributes typeAttr[] =
1775         {
1776             { kTXNQDFontNameAttribute , kTXNQDFontNameAttributeSize , { (void*) fontName } } ,
1777             { kTXNQDFontSizeAttribute , kTXNFontSizeAttributeSize , { (void*) (fontSize << 16) } } ,
1778             { kTXNQDFontStyleAttribute , kTXNQDFontStyleAttributeSize , { (void*) normal } } ,
1779         } ;
1780
1781         err = TXNSetTypeAttributes(
1782             m_txn, sizeof(typeAttr) / sizeof(TXNTypeAttributes),
1783             typeAttr, kTXNStartOffset, kTXNEndOffset );
1784         verify_noerr( err );
1785     }
1786
1787     if ( m_windowStyle & wxTE_PASSWORD )
1788     {
1789         UniChar c = 0x00A5 ;
1790         err = TXNEchoMode( m_txn , c , 0 , true );
1791         verify_noerr( err );
1792     }
1793
1794     TXNBackground tback;
1795     tback.bgType = kTXNBackgroundTypeRGB;
1796     tback.bg.color = MAC_WXCOLORREF( background.GetPixel() );
1797     TXNSetBackground( m_txn , &tback );
1798
1799 #if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_4
1800     if ( UMAGetSystemVersion() >= 0x1040 )
1801     {
1802         TXNCommandEventSupportOptions options ;
1803         if ( TXNGetCommandEventSupport( m_txn, &options ) == noErr )
1804         {
1805             options |=
1806                 kTXNSupportEditCommandProcessing
1807                 | kTXNSupportEditCommandUpdating
1808                 | kTXNSupportSpellCheckCommandProcessing
1809                 | kTXNSupportSpellCheckCommandUpdating
1810                 | kTXNSupportFontCommandProcessing
1811                 | kTXNSupportFontCommandUpdating;
1812
1813             TXNSetCommandEventSupport( m_txn , options ) ;
1814         }
1815     }
1816 #endif
1817 }
1818
1819 void wxMacMLTEControl::SetBackground( const wxBrush &brush )
1820 {
1821     // currently only solid background are supported
1822     TXNBackground tback;
1823
1824     tback.bgType = kTXNBackgroundTypeRGB;
1825     tback.bg.color = MAC_WXCOLORREF( brush.GetColour().GetPixel() );
1826     TXNSetBackground( m_txn , &tback );
1827 }
1828
1829 void wxMacMLTEControl::TXNSetAttribute( const wxTextAttr& style , long from , long to )
1830 {
1831     TXNTypeAttributes typeAttr[4] ;
1832     RGBColor color ;
1833     int attrCount = 0 ;
1834
1835     if ( style.HasFont() )
1836     {
1837         wxFont font(style.GetFont()) ;
1838
1839 #if 0 // old version
1840         Str255 fontName = "\pMonaco" ;
1841         SInt16 fontSize = 12 ;
1842         Style fontStyle = normal ;
1843         wxMacStringToPascal( font.GetFaceName() , fontName ) ;
1844         fontSize = font.GetPointSize() ;
1845         if ( font.GetUnderlined() )
1846             fontStyle |= underline ;
1847         if ( font.GetWeight() == wxBOLD )
1848             fontStyle |= bold ;
1849         if ( font.GetStyle() == wxITALIC )
1850             fontStyle |= italic ;
1851
1852         typeAttr[attrCount].tag = kTXNQDFontNameAttribute ;
1853         typeAttr[attrCount].size = kTXNQDFontNameAttributeSize ;
1854         typeAttr[attrCount].data.dataPtr = (void*)fontName ;
1855         attrCount++ ;
1856
1857         typeAttr[attrCount].tag = kTXNQDFontSizeAttribute ;
1858         typeAttr[attrCount].size = kTXNFontSizeAttributeSize ;
1859         typeAttr[attrCount].data.dataValue = (fontSize << 16) ;
1860         attrCount++ ;
1861
1862         typeAttr[attrCount].tag = kTXNQDFontStyleAttribute ;
1863         typeAttr[attrCount].size = kTXNQDFontStyleAttributeSize ;
1864         typeAttr[attrCount].data.dataValue = fontStyle ;
1865         attrCount++ ;
1866 #else
1867         typeAttr[attrCount].tag = kTXNATSUIStyle ;
1868         typeAttr[attrCount].size = kTXNATSUIStyleSize ;
1869         typeAttr[attrCount].data.dataPtr = font.MacGetATSUStyle() ;
1870         attrCount++ ;
1871 #endif
1872     }
1873
1874     if ( style.HasTextColour() )
1875     {
1876         color = MAC_WXCOLORREF(style.GetTextColour().GetPixel()) ;
1877
1878         typeAttr[attrCount].tag = kTXNQDFontColorAttribute ;
1879         typeAttr[attrCount].size = kTXNQDFontColorAttributeSize ;
1880         typeAttr[attrCount].data.dataPtr = (void*) &color ;
1881         attrCount++ ;
1882     }
1883
1884     if ( attrCount > 0 )
1885     {
1886         verify_noerr( TXNSetTypeAttributes( m_txn , attrCount , typeAttr, from , to ) );
1887         // unfortunately the relayout is not automatic
1888         TXNRecalcTextLayout( m_txn );
1889     }
1890 }
1891
1892 void wxMacMLTEControl::SetFont(const wxFont & font,
1893                                const wxColour& foreground,
1894                                long WXUNUSED(windowStyle))
1895 {
1896     wxMacEditHelper help( m_txn ) ;
1897     TXNSetAttribute( wxTextAttr( foreground, wxNullColour, font ), kTXNStartOffset, kTXNEndOffset ) ;
1898 }
1899
1900 void wxMacMLTEControl::SetStyle( long start, long end, const wxTextAttr& style )
1901 {
1902     wxMacEditHelper help( m_txn ) ;
1903     TXNSetAttribute( style, start, end ) ;
1904 }
1905
1906 void wxMacMLTEControl::Copy()
1907 {
1908     ClearCurrentScrap();
1909     TXNCopy( m_txn );
1910     TXNConvertToPublicScrap();
1911 }
1912
1913 void wxMacMLTEControl::Cut()
1914 {
1915     ClearCurrentScrap();
1916     TXNCut( m_txn );
1917     TXNConvertToPublicScrap();
1918 }
1919
1920 void wxMacMLTEControl::Paste()
1921 {
1922     TXNConvertFromPublicScrap();
1923     TXNPaste( m_txn );
1924 }
1925
1926 bool wxMacMLTEControl::CanPaste() const
1927 {
1928     return TXNIsScrapPastable() ;
1929 }
1930
1931 void wxMacMLTEControl::SetEditable(bool editable)
1932 {
1933     TXNControlTag tag[] = { kTXNIOPrivilegesTag } ;
1934     TXNControlData data[] = { { editable ? kTXNReadWrite : kTXNReadOnly } } ;
1935     TXNSetTXNObjectControls( m_txn, false, WXSIZEOF(tag), tag, data ) ;
1936 }
1937
1938 wxTextPos wxMacMLTEControl::GetLastPosition() const
1939 {
1940     wxTextPos actualsize = 0 ;
1941
1942     Handle theText ;
1943     OSErr err = TXNGetDataEncoded( m_txn, kTXNStartOffset, kTXNEndOffset, &theText, kTXNTextData );
1944
1945     // all done
1946     if ( err == noErr )
1947     {
1948         actualsize = GetHandleSize( theText ) ;
1949         DisposeHandle( theText ) ;
1950     }
1951     else
1952     {
1953         actualsize = 0 ;
1954     }
1955
1956     return actualsize ;
1957 }
1958
1959 void wxMacMLTEControl::Replace( long from , long to , const wxString &str )
1960 {
1961     wxString value = str ;
1962     wxMacConvertNewlines10To13( &value ) ;
1963
1964     wxMacEditHelper help( m_txn ) ;
1965 #ifndef __LP64__
1966     wxMacWindowClipper c( m_peer ) ;
1967 #endif
1968
1969     TXNSetSelection( m_txn, from, to ) ;
1970     TXNClear( m_txn ) ;
1971     SetTXNData( value, kTXNUseCurrentSelection, kTXNUseCurrentSelection ) ;
1972 }
1973
1974 void wxMacMLTEControl::Remove( long from , long to )
1975 {
1976 #ifndef __LP64__
1977     wxMacWindowClipper c( m_peer ) ;
1978 #endif
1979     wxMacEditHelper help( m_txn ) ;
1980     TXNSetSelection( m_txn , from , to ) ;
1981     TXNClear( m_txn ) ;
1982 }
1983
1984 void wxMacMLTEControl::GetSelection( long* from, long* to) const
1985 {
1986     TXNGetSelection( m_txn , (TXNOffset*) from , (TXNOffset*) to ) ;
1987 }
1988
1989 void wxMacMLTEControl::SetSelection( long from , long to )
1990 {
1991 #ifndef __LP64__
1992     wxMacWindowClipper c( m_peer ) ;
1993 #endif
1994
1995     // change the selection
1996     if ((from == -1) && (to == -1))
1997         TXNSelectAll( m_txn );
1998     else
1999         TXNSetSelection( m_txn, from, to );
2000
2001     TXNShowSelection( m_txn, kTXNShowStart );
2002 }
2003
2004 void wxMacMLTEControl::WriteText( const wxString& str )
2005 {
2006     wxString st = str ;
2007     wxMacConvertNewlines10To13( &st ) ;
2008
2009     long start , end , dummy ;
2010
2011     GetSelection( &start , &dummy ) ;
2012 #ifndef __LP64__
2013     wxMacWindowClipper c( m_peer ) ;
2014 #endif
2015
2016     {
2017         wxMacEditHelper helper( m_txn ) ;
2018         SetTXNData( st, kTXNUseCurrentSelection, kTXNUseCurrentSelection ) ;
2019     }
2020
2021     GetSelection( &dummy, &end ) ;
2022
2023     // TODO: SetStyle( start , end , GetDefaultStyle() ) ;
2024 }
2025
2026 void wxMacMLTEControl::Clear()
2027 {
2028 #ifndef __LP64__
2029     wxMacWindowClipper c( m_peer ) ;
2030 #endif
2031     wxMacEditHelper st( m_txn ) ;
2032     TXNSetSelection( m_txn , kTXNStartOffset , kTXNEndOffset ) ;
2033     TXNClear( m_txn ) ;
2034 }
2035
2036 bool wxMacMLTEControl::CanUndo() const
2037 {
2038     return TXNCanUndo( m_txn , NULL ) ;
2039 }
2040
2041 void wxMacMLTEControl::Undo()
2042 {
2043     TXNUndo( m_txn ) ;
2044 }
2045
2046 bool wxMacMLTEControl::CanRedo() const
2047 {
2048     return TXNCanRedo( m_txn , NULL ) ;
2049 }
2050
2051 void wxMacMLTEControl::Redo()
2052 {
2053     TXNRedo( m_txn ) ;
2054 }
2055
2056 int wxMacMLTEControl::GetNumberOfLines() const
2057 {
2058     ItemCount lines = 0 ;
2059     TXNGetLineCount( m_txn, &lines ) ;
2060
2061     return lines ;
2062 }
2063
2064 long wxMacMLTEControl::XYToPosition(long x, long y) const
2065 {
2066     Point curpt ;
2067     wxTextPos lastpos ;
2068
2069     // TODO: find a better implementation : while we can get the
2070     // line metrics of a certain line, we don't get its starting
2071     // position, so it would probably be rather a binary search
2072     // for the start position
2073     long xpos = 0, ypos = 0 ;
2074     int lastHeight = 0 ;
2075     ItemCount n ;
2076
2077     lastpos = GetLastPosition() ;
2078     for ( n = 0 ; n <= (ItemCount) lastpos ; ++n )
2079     {
2080         if ( y == ypos && x == xpos )
2081             return n ;
2082
2083         TXNOffsetToPoint( m_txn, n, &curpt ) ;
2084
2085         if ( curpt.v > lastHeight )
2086         {
2087             xpos = 0 ;
2088             if ( n > 0 )
2089                 ++ypos ;
2090
2091             lastHeight = curpt.v ;
2092         }
2093         else
2094             ++xpos ;
2095     }
2096
2097     return 0 ;
2098 }
2099
2100 bool wxMacMLTEControl::PositionToXY( long pos, long *x, long *y ) const
2101 {
2102     Point curpt ;
2103     wxTextPos lastpos ;
2104
2105     if ( y )
2106         *y = 0 ;
2107     if ( x )
2108         *x = 0 ;
2109
2110     lastpos = GetLastPosition() ;
2111     if ( pos <= lastpos )
2112     {
2113         // TODO: find a better implementation - while we can get the
2114         // line metrics of a certain line, we don't get its starting
2115         // position, so it would probably be rather a binary search
2116         // for the start position
2117         long xpos = 0, ypos = 0 ;
2118         int lastHeight = 0 ;
2119         ItemCount n ;
2120
2121         for ( n = 0 ; n <= (ItemCount) pos ; ++n )
2122         {
2123             TXNOffsetToPoint( m_txn, n, &curpt ) ;
2124
2125             if ( curpt.v > lastHeight )
2126             {
2127                 xpos = 0 ;
2128                 if ( n > 0 )
2129                     ++ypos ;
2130
2131                 lastHeight = curpt.v ;
2132             }
2133             else
2134                 ++xpos ;
2135         }
2136
2137         if ( y )
2138             *y = ypos ;
2139         if ( x )
2140             *x = xpos ;
2141     }
2142
2143     return false ;
2144 }
2145
2146 void wxMacMLTEControl::ShowPosition( long pos )
2147 {
2148     Point current, desired ;
2149     TXNOffset selstart, selend;
2150
2151     TXNGetSelection( m_txn, &selstart, &selend );
2152     TXNOffsetToPoint( m_txn, selstart, &current );
2153     TXNOffsetToPoint( m_txn, pos, &desired );
2154
2155     // TODO: use HIPoints for 10.3 and above
2156
2157     OSErr theErr = noErr;
2158     long dv = desired.v - current.v;
2159     long dh = desired.h - current.h;
2160     TXNShowSelection( m_txn, kTXNShowStart ) ; // NB: should this be kTXNShowStart or kTXNShowEnd ??
2161     theErr = TXNScroll( m_txn, kTXNScrollUnitsInPixels, kTXNScrollUnitsInPixels, &dv, &dh );
2162
2163     // there will be an error returned for classic MLTE implementation when the control is
2164     // invisible, but HITextView works correctly, so we don't assert that one
2165     // wxASSERT_MSG( theErr == noErr, _T("TXNScroll returned an error!") );
2166 }
2167
2168 void wxMacMLTEControl::SetTXNData( const wxString& st, TXNOffset start, TXNOffset end )
2169 {
2170 #if wxUSE_UNICODE
2171 #if SIZEOF_WCHAR_T == 2
2172     size_t len = st.length() ;
2173     TXNSetData( m_txn, kTXNUnicodeTextData, (void*)st.wc_str(), len * 2, start, end );
2174 #else
2175     wxMBConvUTF16 converter ;
2176     ByteCount byteBufferLen = converter.WC2MB( NULL, st.wc_str(), 0 ) ;
2177     UniChar *unibuf = (UniChar*)malloc( byteBufferLen ) ;
2178     converter.WC2MB( (char*)unibuf, st.wc_str(), byteBufferLen ) ;
2179     TXNSetData( m_txn, kTXNUnicodeTextData, (void*)unibuf, byteBufferLen, start, end ) ;
2180     free( unibuf ) ;
2181 #endif
2182 #else
2183     wxCharBuffer text = st.mb_str( wxConvLocal ) ;
2184     TXNSetData( m_txn, kTXNTextData, (void*)text.data(), strlen( text ), start, end ) ;
2185 #endif
2186 }
2187
2188 wxString wxMacMLTEControl::GetLineText(long lineNo) const
2189 {
2190     wxString line ;
2191
2192     if ( lineNo < GetNumberOfLines() )
2193     {
2194         Point firstPoint;
2195         Fixed lineWidth, lineHeight, currentHeight;
2196         long ypos ;
2197
2198         // get the first possible position in the control
2199         TXNOffsetToPoint(m_txn, 0, &firstPoint);
2200
2201         // Iterate through the lines until we reach the one we want,
2202         // adding to our current y pixel point position
2203         ypos = 0 ;
2204         currentHeight = 0;
2205         while (ypos < lineNo)
2206         {
2207             TXNGetLineMetrics(m_txn, ypos++, &lineWidth, &lineHeight);
2208             currentHeight += lineHeight;
2209         }
2210
2211         Point thePoint = { firstPoint.v + (currentHeight >> 16), firstPoint.h + (0) };
2212         TXNOffset theOffset;
2213         TXNPointToOffset(m_txn, thePoint, &theOffset);
2214
2215         wxString content = GetStringValue() ;
2216         Point currentPoint = thePoint;
2217         while (thePoint.v == currentPoint.v && theOffset < content.length())
2218         {
2219             line += content[theOffset];
2220             TXNOffsetToPoint(m_txn, ++theOffset, &currentPoint);
2221         }
2222     }
2223
2224     return line ;
2225 }
2226
2227 int wxMacMLTEControl::GetLineLength(long lineNo) const
2228 {
2229     int theLength = 0;
2230
2231     if ( lineNo < GetNumberOfLines() )
2232     {
2233         Point firstPoint;
2234         Fixed lineWidth, lineHeight, currentHeight;
2235         long ypos;
2236
2237         // get the first possible position in the control
2238         TXNOffsetToPoint(m_txn, 0, &firstPoint);
2239
2240         // Iterate through the lines until we reach the one we want,
2241         // adding to our current y pixel point position
2242         ypos = 0;
2243         currentHeight = 0;
2244         while (ypos < lineNo)
2245         {
2246             TXNGetLineMetrics(m_txn, ypos++, &lineWidth, &lineHeight);
2247             currentHeight += lineHeight;
2248         }
2249
2250         Point thePoint = { firstPoint.v + (currentHeight >> 16), firstPoint.h + (0) };
2251         TXNOffset theOffset;
2252         TXNPointToOffset(m_txn, thePoint, &theOffset);
2253
2254         wxString content = GetStringValue() ;
2255         Point currentPoint = thePoint;
2256         while (thePoint.v == currentPoint.v && theOffset < content.length())
2257         {
2258             ++theLength;
2259             TXNOffsetToPoint(m_txn, ++theOffset, &currentPoint);
2260         }
2261     }
2262
2263     return theLength ;
2264 }
2265
2266 #if MAC_OS_X_VERSION_MAX_ALLOWED < MAC_OS_X_VERSION_10_5
2267
2268 // ----------------------------------------------------------------------------
2269 // MLTE control implementation (classic part)
2270 // ----------------------------------------------------------------------------
2271
2272 // OS X Notes : We still don't have a full replacement for MLTE, so this implementation
2273 // has to live on. We have different problems coming from outdated implementations on the
2274 // various OS X versions. Most deal with the scrollbars: they are not correctly embedded
2275 // while this can be solved on 10.3 by reassigning them the correct place, on 10.2 there is
2276 // no way out, therefore we are using our own implementation and our own scrollbars ....
2277
2278 #ifdef __WXMAC_OSX__
2279
2280 TXNScrollInfoUPP gTXNScrollInfoProc = NULL ;
2281 ControlActionUPP gTXNScrollActionProc = NULL ;
2282
2283 pascal void wxMacMLTEClassicControl::TXNScrollInfoProc(
2284     SInt32 iValue, SInt32 iMaximumValue,
2285     TXNScrollBarOrientation iScrollBarOrientation, SInt32 iRefCon )
2286 {
2287     wxMacMLTEClassicControl* mlte = (wxMacMLTEClassicControl*) iRefCon ;
2288     SInt32 value =  wxMax( iValue , 0 ) ;
2289     SInt32 maximum = wxMax( iMaximumValue , 0 ) ;
2290
2291     if ( iScrollBarOrientation == kTXNHorizontal )
2292     {
2293         if ( mlte->m_sbHorizontal )
2294         {
2295             SetControl32BitValue( mlte->m_sbHorizontal , value ) ;
2296             SetControl32BitMaximum( mlte->m_sbHorizontal , maximum ) ;
2297             mlte->m_lastHorizontalValue = value ;
2298         }
2299     }
2300     else if ( iScrollBarOrientation == kTXNVertical )
2301     {
2302         if ( mlte->m_sbVertical )
2303         {
2304             SetControl32BitValue( mlte->m_sbVertical , value ) ;
2305             SetControl32BitMaximum( mlte->m_sbVertical , maximum ) ;
2306             mlte->m_lastVerticalValue = value ;
2307         }
2308     }
2309 }
2310
2311 pascal void wxMacMLTEClassicControl::TXNScrollActionProc( ControlRef controlRef , ControlPartCode partCode )
2312 {
2313     wxMacMLTEClassicControl* mlte = (wxMacMLTEClassicControl*) GetControlReference( controlRef ) ;
2314     if ( mlte == NULL )
2315         return ;
2316
2317     if ( controlRef != mlte->m_sbVertical && controlRef != mlte->m_sbHorizontal )
2318         return ;
2319
2320     OSStatus err ;
2321     bool isHorizontal = ( controlRef == mlte->m_sbHorizontal ) ;
2322
2323     SInt32 minimum = 0 ;
2324     SInt32 maximum = GetControl32BitMaximum( controlRef ) ;
2325     SInt32 value = GetControl32BitValue( controlRef ) ;
2326     SInt32 delta = 0;
2327
2328     switch ( partCode )
2329     {
2330         case kControlDownButtonPart :
2331             delta = 10 ;
2332             break ;
2333
2334         case kControlUpButtonPart :
2335             delta = -10 ;
2336             break ;
2337
2338         case kControlPageDownPart :
2339             delta = GetControlViewSize( controlRef ) ;
2340             break ;
2341
2342         case kControlPageUpPart :
2343             delta = -GetControlViewSize( controlRef ) ;
2344             break ;
2345
2346         case kControlIndicatorPart :
2347             delta = value - (isHorizontal ? mlte->m_lastHorizontalValue : mlte->m_lastVerticalValue) ;
2348             break ;
2349
2350         default :
2351             break ;
2352     }
2353
2354     if ( delta != 0 )
2355     {
2356         SInt32 newValue = value ;
2357
2358         if ( partCode != kControlIndicatorPart )
2359         {
2360             if ( value + delta < minimum )
2361                 delta = minimum - value ;
2362             if ( value + delta > maximum )
2363                 delta = maximum - value ;
2364
2365             SetControl32BitValue( controlRef , value + delta ) ;
2366             newValue = value + delta ;
2367         }
2368
2369         SInt32 verticalDelta = isHorizontal ? 0 : delta ;
2370         SInt32 horizontalDelta = isHorizontal ? delta : 0 ;
2371
2372         err = TXNScroll(
2373             mlte->m_txn, kTXNScrollUnitsInPixels, kTXNScrollUnitsInPixels,
2374             &verticalDelta, &horizontalDelta );
2375         verify_noerr( err );
2376
2377         if ( isHorizontal )
2378             mlte->m_lastHorizontalValue = newValue ;
2379         else
2380             mlte->m_lastVerticalValue = newValue ;
2381     }
2382 }
2383 #endif
2384
2385 // make correct activations
2386 void wxMacMLTEClassicControl::MacActivatePaneText(bool setActive)
2387 {
2388     wxTextCtrl* textctrl = (wxTextCtrl*) GetControlReference(m_controlRef);
2389
2390     wxMacWindowClipper clipper( textctrl ) ;
2391     TXNActivate( m_txn, m_txnFrameID, setActive );
2392
2393     ControlRef controlFocus = 0 ;
2394     GetKeyboardFocus( m_txnWindow , &controlFocus ) ;
2395     if ( controlFocus == m_controlRef )
2396         TXNFocus( m_txn, setActive );
2397 }
2398
2399 void wxMacMLTEClassicControl::MacFocusPaneText(bool setFocus)
2400 {
2401     TXNFocus( m_txn, setFocus );
2402 }
2403
2404 // guards against inappropriate redraw (hidden objects drawing onto window)
2405
2406 void wxMacMLTEClassicControl::MacSetObjectVisibility(bool vis)
2407 {
2408     ControlRef controlFocus = 0 ;
2409     GetKeyboardFocus( m_txnWindow , &controlFocus ) ;
2410
2411     if ( !vis && (controlFocus == m_controlRef ) )
2412         SetKeyboardFocus( m_txnWindow , m_controlRef , kControlFocusNoPart ) ;
2413
2414     TXNControlTag iControlTags[1] = { kTXNVisibilityTag };
2415     TXNControlData iControlData[1] = { { (UInt32)false } };
2416
2417     verify_noerr( TXNGetTXNObjectControls( m_txn , 1, iControlTags, iControlData ) ) ;
2418
2419     if ( iControlData[0].uValue != vis )
2420     {
2421         iControlData[0].uValue = vis ;
2422         verify_noerr( TXNSetTXNObjectControls( m_txn, false , 1, iControlTags, iControlData ) ) ;
2423     }
2424
2425     // currently, we always clip as partial visibility (overlapped) visibility is also a problem,
2426     // if we run into further problems we might set the FrameBounds to an empty rect here
2427 }
2428
2429 // make sure that the TXNObject is at the right position
2430
2431 void wxMacMLTEClassicControl::MacUpdatePosition()
2432 {
2433     wxTextCtrl* textctrl = (wxTextCtrl*)GetControlReference( m_controlRef );
2434     if ( textctrl == NULL )
2435         return ;
2436
2437     Rect bounds ;
2438     UMAGetControlBoundsInWindowCoords( m_controlRef, &bounds );
2439
2440     wxRect visRect = textctrl->MacGetClippedClientRect() ;
2441     Rect visBounds = { visRect.y , visRect.x , visRect.y + visRect.height , visRect.x + visRect.width } ;
2442     int x , y ;
2443     x = y = 0 ;
2444     textctrl->MacWindowToRootWindow( &x , &y ) ;
2445     OffsetRect( &visBounds , x , y ) ;
2446
2447     if ( !EqualRect( &bounds, &m_txnControlBounds ) || !EqualRect( &visBounds, &m_txnVisBounds ) )
2448     {
2449         m_txnControlBounds = bounds ;
2450         m_txnVisBounds = visBounds ;
2451         wxMacWindowClipper cl( textctrl ) ;
2452
2453 #ifdef __WXMAC_OSX__
2454         if ( m_sbHorizontal || m_sbVertical )
2455         {
2456             int w = bounds.right - bounds.left ;
2457             int h = bounds.bottom - bounds.top ;
2458
2459             if ( m_sbHorizontal )
2460             {
2461                 Rect sbBounds ;
2462
2463                 sbBounds.left = -1 ;
2464                 sbBounds.top = h - 14 ;
2465                 sbBounds.right = w + 1 ;
2466                 sbBounds.bottom = h + 1 ;
2467
2468                 SetControlBounds( m_sbHorizontal , &sbBounds ) ;
2469                 SetControlViewSize( m_sbHorizontal , w ) ;
2470             }
2471
2472             if ( m_sbVertical )
2473             {
2474                 Rect sbBounds ;
2475
2476                 sbBounds.left = w - 14 ;
2477                 sbBounds.top = -1 ;
2478                 sbBounds.right = w + 1 ;
2479                 sbBounds.bottom = m_sbHorizontal ? h - 14 : h + 1 ;
2480
2481                 SetControlBounds( m_sbVertical , &sbBounds ) ;
2482                 SetControlViewSize( m_sbVertical , h ) ;
2483             }
2484         }
2485
2486         Rect oldviewRect ;
2487         TXNLongRect olddestRect ;
2488         TXNGetRectBounds( m_txn , &oldviewRect , &olddestRect , NULL ) ;
2489
2490         Rect viewRect = { m_txnControlBounds.top, m_txnControlBounds.left,
2491             m_txnControlBounds.bottom - ( m_sbHorizontal ? 14 : 0 ) ,
2492             m_txnControlBounds.right - ( m_sbVertical ? 14 : 0 ) } ;
2493         TXNLongRect destRect = { m_txnControlBounds.top, m_txnControlBounds.left,
2494             m_txnControlBounds.bottom - ( m_sbHorizontal ? 14 : 0 ) ,
2495             m_txnControlBounds.right - ( m_sbVertical ? 14 : 0 ) } ;
2496
2497         if ( olddestRect.right >= 10000 )
2498             destRect.right = destRect.left + 32000 ;
2499
2500         if ( olddestRect.bottom >= 0x20000000 )
2501             destRect.bottom = destRect.top + 0x40000000 ;
2502
2503         SectRect( &viewRect , &visBounds , &viewRect ) ;
2504         TXNSetRectBounds( m_txn , &viewRect , &destRect , true ) ;
2505
2506 #if 0
2507         TXNSetFrameBounds(
2508             m_txn,
2509             m_txnControlBounds.top,
2510             m_txnControlBounds.left,
2511             m_txnControlBounds.bottom - (m_sbHorizontal ? 14 : 0),
2512             m_txnControlBounds.right - (m_sbVertical ? 14 : 0),
2513             m_txnFrameID );
2514 #endif
2515 #else
2516
2517         TXNSetFrameBounds(
2518             m_txn, m_txnControlBounds.top, m_txnControlBounds.left,
2519             wxMax( m_txnControlBounds.bottom, m_txnControlBounds.top ),
2520             wxMax( m_txnControlBounds.right, m_txnControlBounds.left ), m_txnFrameID );
2521 #endif
2522
2523         // the SetFrameBounds method under Classic sometimes does not correctly scroll a selection into sight after a
2524         // movement, therefore we have to force it
2525
2526         // this problem has been reported in OSX as well, so we use this here once again
2527
2528         TXNLongRect textRect ;
2529         TXNGetRectBounds( m_txn , NULL , NULL , &textRect ) ;
2530         if ( textRect.left < m_txnControlBounds.left )
2531             TXNShowSelection( m_txn , kTXNShowStart ) ;
2532     }
2533 }
2534
2535 void wxMacMLTEClassicControl::SetRect( Rect *r )
2536 {
2537     wxMacControl::SetRect( r ) ;
2538     MacUpdatePosition() ;
2539 }
2540
2541 void wxMacMLTEClassicControl::MacControlUserPaneDrawProc(wxInt16 WXUNUSED(thePart))
2542 {
2543     wxTextCtrl* textctrl = (wxTextCtrl*)GetControlReference( m_controlRef );
2544     if ( textctrl == NULL )
2545         return ;
2546
2547     if ( textctrl->MacIsReallyShown() )
2548     {
2549         wxMacWindowClipper clipper( textctrl ) ;
2550         TXNDraw( m_txn , NULL ) ;
2551     }
2552 }
2553
2554 wxInt16 wxMacMLTEClassicControl::MacControlUserPaneHitTestProc(wxInt16 x, wxInt16 y)
2555 {
2556     Point where = { y , x } ;
2557     ControlPartCode result = kControlNoPart;
2558
2559     wxTextCtrl* textctrl = (wxTextCtrl*) GetControlReference( m_controlRef );
2560     if ( (textctrl != NULL) && textctrl->MacIsReallyShown() )
2561     {
2562         if (PtInRect( where, &m_txnControlBounds ))
2563         {
2564             result = kControlEditTextPart ;
2565         }
2566         else
2567         {
2568             // sometimes we get the coords also in control local coordinates, therefore test again
2569             int x = 0 , y = 0 ;
2570             textctrl->MacClientToRootWindow( &x , &y ) ;
2571             where.h += x ;
2572             where.v += y ;
2573
2574             if (PtInRect( where, &m_txnControlBounds ))
2575                 result = kControlEditTextPart ;
2576         }
2577     }
2578
2579     return result;
2580 }
2581
2582 wxInt16 wxMacMLTEClassicControl::MacControlUserPaneTrackingProc( wxInt16 x, wxInt16 y, void* WXUNUSED(actionProc) )
2583 {
2584     ControlPartCode result = kControlNoPart;
2585
2586     wxTextCtrl* textctrl = (wxTextCtrl*) GetControlReference( m_controlRef );
2587     if ( (textctrl != NULL) && textctrl->MacIsReallyShown() )
2588     {
2589         Point startPt = { y , x } ;
2590
2591         // for compositing, we must convert these into toplevel window coordinates, because hittesting expects them
2592         int x = 0 , y = 0 ;
2593         textctrl->MacClientToRootWindow( &x , &y ) ;
2594         startPt.h += x ;
2595         startPt.v += y ;
2596
2597         switch (MacControlUserPaneHitTestProc( startPt.h , startPt.v ))
2598         {
2599             case kControlEditTextPart :
2600             {
2601                 wxMacWindowClipper clipper( textctrl ) ;
2602                 EventRecord rec ;
2603
2604                 ConvertEventRefToEventRecord( (EventRef) wxTheApp->MacGetCurrentEvent() , &rec ) ;
2605                 TXNClick( m_txn, &rec );
2606             }
2607                 break;
2608
2609             default :
2610                 break;
2611         }
2612     }
2613
2614     return result;
2615 }
2616
2617 void wxMacMLTEClassicControl::MacControlUserPaneIdleProc()
2618 {
2619     wxTextCtrl* textctrl = (wxTextCtrl*)GetControlReference( m_controlRef );
2620     if ( textctrl == NULL )
2621         return ;
2622
2623     if (textctrl->MacIsReallyShown())
2624     {
2625         if (IsControlActive(m_controlRef))
2626         {
2627             Point mousep;
2628
2629             wxMacWindowClipper clipper( textctrl ) ;
2630             GetMouse(&mousep);
2631
2632             TXNIdle(m_txn);
2633
2634             if (PtInRect(mousep, &m_txnControlBounds))
2635             {
2636                 RgnHandle theRgn = NewRgn();
2637                 RectRgn(theRgn, &m_txnControlBounds);
2638                 TXNAdjustCursor(m_txn, theRgn);
2639                 DisposeRgn(theRgn);
2640             }
2641         }
2642     }
2643 }
2644
2645 wxInt16 wxMacMLTEClassicControl::MacControlUserPaneKeyDownProc (wxInt16 keyCode, wxInt16 charCode, wxInt16 modifiers)
2646 {
2647     wxTextCtrl* textctrl = (wxTextCtrl*)GetControlReference( m_controlRef );
2648     if ( textctrl == NULL )
2649         return kControlNoPart;
2650
2651     wxMacWindowClipper clipper( textctrl ) ;
2652
2653     EventRecord ev ;
2654     memset( &ev , 0 , sizeof( ev ) ) ;
2655     ev.what = keyDown ;
2656     ev.modifiers = modifiers ;
2657     ev.message = ((keyCode << 8) & keyCodeMask) | (charCode & charCodeMask);
2658     TXNKeyDown( m_txn , &ev );
2659
2660     return kControlEntireControl;
2661 }
2662
2663 void wxMacMLTEClassicControl::MacControlUserPaneActivateProc(bool activating)
2664 {
2665     MacActivatePaneText( activating );
2666 }
2667
2668 wxInt16 wxMacMLTEClassicControl::MacControlUserPaneFocusProc(wxInt16 action)
2669 {
2670     ControlPartCode focusResult = kControlFocusNoPart;
2671
2672     wxTextCtrl* textctrl = (wxTextCtrl*)GetControlReference( m_controlRef );
2673     if ( textctrl == NULL )
2674         return focusResult;
2675
2676     wxMacWindowClipper clipper( textctrl ) ;
2677
2678     ControlRef controlFocus = NULL ;
2679     GetKeyboardFocus( m_txnWindow , &controlFocus ) ;
2680     bool wasFocused = ( controlFocus == m_controlRef ) ;
2681
2682     switch (action)
2683     {
2684         case kControlFocusPrevPart:
2685         case kControlFocusNextPart:
2686             MacFocusPaneText( !wasFocused );
2687             focusResult = (!wasFocused ? (ControlPartCode) kControlEditTextPart : (ControlPartCode) kControlFocusNoPart);
2688             break;
2689
2690         case kControlFocusNoPart:
2691         default:
2692             MacFocusPaneText( false );
2693             focusResult = kControlFocusNoPart;
2694             break;
2695     }
2696
2697     return focusResult;
2698 }
2699
2700 void wxMacMLTEClassicControl::MacControlUserPaneBackgroundProc( void *WXUNUSED(info) )
2701 {
2702 }
2703
2704 wxMacMLTEClassicControl::wxMacMLTEClassicControl( wxTextCtrl *wxPeer,
2705     const wxString& str,
2706     const wxPoint& pos,
2707     const wxSize& size, long style )
2708     : wxMacMLTEControl( wxPeer )
2709 {
2710     m_font = wxPeer->GetFont() ;
2711     m_windowStyle = style ;
2712     Rect bounds = wxMacGetBoundsForControl( wxPeer , pos , size ) ;
2713
2714     short featureSet =
2715         kControlSupportsEmbedding | kControlSupportsFocus | kControlWantsIdle
2716         | kControlWantsActivate  | kControlHandlesTracking
2717 //    | kControlHasSpecialBackground
2718         | kControlGetsFocusOnClick | kControlSupportsLiveFeedback;
2719
2720    OSStatus err = ::CreateUserPaneControl(
2721         MAC_WXHWND(wxPeer->GetParent()->MacGetTopLevelWindowRef()),
2722         &bounds, featureSet, &m_controlRef );
2723     verify_noerr( err );
2724
2725     DoCreate();
2726
2727     AdjustCreationAttributes( *wxWHITE , true ) ;
2728
2729     MacSetObjectVisibility( wxPeer->MacIsReallyShown() ) ;
2730
2731     {
2732         wxString st = str ;
2733         wxMacConvertNewlines10To13( &st ) ;
2734         wxMacWindowClipper clipper( m_peer ) ;
2735         SetTXNData( st , kTXNStartOffset, kTXNEndOffset ) ;
2736         TXNSetSelection( m_txn, 0, 0 ) ;
2737     }
2738 }
2739
2740 wxMacMLTEClassicControl::~wxMacMLTEClassicControl()
2741 {
2742     TXNDeleteObject( m_txn );
2743     m_txn = NULL ;
2744 }
2745
2746 void wxMacMLTEClassicControl::VisibilityChanged(bool shown)
2747 {
2748     MacSetObjectVisibility( shown ) ;
2749     wxMacControl::VisibilityChanged( shown ) ;
2750 }
2751
2752 void wxMacMLTEClassicControl::SuperChangedPosition()
2753 {
2754     MacUpdatePosition() ;
2755     wxMacControl::SuperChangedPosition() ;
2756 }
2757
2758 #ifdef __WXMAC_OSX__
2759
2760 ControlUserPaneDrawUPP gTPDrawProc = NULL;
2761 ControlUserPaneHitTestUPP gTPHitProc = NULL;
2762 ControlUserPaneTrackingUPP gTPTrackProc = NULL;
2763 ControlUserPaneIdleUPP gTPIdleProc = NULL;
2764 ControlUserPaneKeyDownUPP gTPKeyProc = NULL;
2765 ControlUserPaneActivateUPP gTPActivateProc = NULL;
2766 ControlUserPaneFocusUPP gTPFocusProc = NULL;
2767
2768 static pascal void wxMacControlUserPaneDrawProc(ControlRef control, SInt16 part)
2769 {
2770     wxTextCtrl *textCtrl =  wxDynamicCast( wxFindControlFromMacControl(control) , wxTextCtrl ) ;
2771     wxMacMLTEClassicControl * win = textCtrl ? (wxMacMLTEClassicControl*)(textCtrl->GetPeer()) : NULL ;
2772     if ( win )
2773         win->MacControlUserPaneDrawProc( part ) ;
2774 }
2775
2776 static pascal ControlPartCode wxMacControlUserPaneHitTestProc(ControlRef control, Point where)
2777 {
2778     wxTextCtrl *textCtrl =  wxDynamicCast( wxFindControlFromMacControl(control) , wxTextCtrl ) ;
2779     wxMacMLTEClassicControl * win = textCtrl ? (wxMacMLTEClassicControl*)(textCtrl->GetPeer()) : NULL ;
2780     if ( win )
2781         return win->MacControlUserPaneHitTestProc( where.h , where.v ) ;
2782     else
2783         return kControlNoPart ;
2784 }
2785
2786 static pascal ControlPartCode wxMacControlUserPaneTrackingProc(ControlRef control, Point startPt, ControlActionUPP actionProc)
2787 {
2788     wxTextCtrl *textCtrl =  wxDynamicCast( wxFindControlFromMacControl(control) , wxTextCtrl ) ;
2789     wxMacMLTEClassicControl * win = textCtrl ? (wxMacMLTEClassicControl*)(textCtrl->GetPeer()) : NULL ;
2790     if ( win )
2791         return win->MacControlUserPaneTrackingProc( startPt.h , startPt.v , (void*) actionProc ) ;
2792     else
2793         return kControlNoPart ;
2794 }
2795
2796 static pascal void wxMacControlUserPaneIdleProc(ControlRef control)
2797 {
2798     wxTextCtrl *textCtrl =  wxDynamicCast( wxFindControlFromMacControl(control) , wxTextCtrl ) ;
2799     wxMacMLTEClassicControl * win = textCtrl ? (wxMacMLTEClassicControl*)(textCtrl->GetPeer()) : NULL ;
2800     if ( win )
2801         win->MacControlUserPaneIdleProc() ;
2802 }
2803
2804 static pascal ControlPartCode wxMacControlUserPaneKeyDownProc(ControlRef control, SInt16 keyCode, SInt16 charCode, SInt16 modifiers)
2805 {
2806     wxTextCtrl *textCtrl =  wxDynamicCast( wxFindControlFromMacControl(control) , wxTextCtrl ) ;
2807     wxMacMLTEClassicControl * win = textCtrl ? (wxMacMLTEClassicControl*)(textCtrl->GetPeer()) : NULL ;
2808     if ( win )
2809         return win->MacControlUserPaneKeyDownProc( keyCode, charCode, modifiers ) ;
2810     else
2811         return kControlNoPart ;
2812 }
2813
2814 static pascal void wxMacControlUserPaneActivateProc(ControlRef control, Boolean activating)
2815 {
2816     wxTextCtrl *textCtrl =  wxDynamicCast( wxFindControlFromMacControl(control) , wxTextCtrl ) ;
2817     wxMacMLTEClassicControl * win = textCtrl ? (wxMacMLTEClassicControl*)(textCtrl->GetPeer()) : NULL ;
2818     if ( win )
2819         win->MacControlUserPaneActivateProc( activating ) ;
2820 }
2821
2822 static pascal ControlPartCode wxMacControlUserPaneFocusProc(ControlRef control, ControlFocusPart action)
2823 {
2824     wxTextCtrl *textCtrl =  wxDynamicCast( wxFindControlFromMacControl(control) , wxTextCtrl ) ;
2825     wxMacMLTEClassicControl * win = textCtrl ? (wxMacMLTEClassicControl*)(textCtrl->GetPeer()) : NULL ;
2826     if ( win )
2827         return win->MacControlUserPaneFocusProc( action ) ;
2828     else
2829         return kControlNoPart ;
2830 }
2831
2832 #if 0
2833 static pascal void wxMacControlUserPaneBackgroundProc(ControlRef control, ControlBackgroundPtr info)
2834 {
2835     wxTextCtrl *textCtrl =  wxDynamicCast( wxFindControlFromMacControl(control) , wxTextCtrl ) ;
2836     wxMacMLTEClassicControl * win = textCtrl ? (wxMacMLTEClassicControl*)(textCtrl->GetPeer()) : NULL ;
2837     if ( win )
2838         win->MacControlUserPaneBackgroundProc(info) ;
2839 }
2840 #endif
2841
2842 #endif // __WXMAC_OSX__
2843
2844 // TXNRegisterScrollInfoProc
2845
2846 OSStatus wxMacMLTEClassicControl::DoCreate()
2847 {
2848     Rect bounds;
2849     OSStatus err = noErr ;
2850
2851     // set up our globals
2852 #ifdef __WXMAC_OSX__
2853     if (gTPDrawProc == NULL) gTPDrawProc = NewControlUserPaneDrawUPP(wxMacControlUserPaneDrawProc);
2854     if (gTPHitProc == NULL) gTPHitProc = NewControlUserPaneHitTestUPP(wxMacControlUserPaneHitTestProc);
2855     if (gTPTrackProc == NULL) gTPTrackProc = NewControlUserPaneTrackingUPP(wxMacControlUserPaneTrackingProc);
2856     if (gTPIdleProc == NULL) gTPIdleProc = NewControlUserPaneIdleUPP(wxMacControlUserPaneIdleProc);
2857     if (gTPKeyProc == NULL) gTPKeyProc = NewControlUserPaneKeyDownUPP(wxMacControlUserPaneKeyDownProc);
2858     if (gTPActivateProc == NULL) gTPActivateProc = NewControlUserPaneActivateUPP(wxMacControlUserPaneActivateProc);
2859     if (gTPFocusProc == NULL) gTPFocusProc = NewControlUserPaneFocusUPP(wxMacControlUserPaneFocusProc);
2860
2861     if (gTXNScrollInfoProc == NULL ) gTXNScrollInfoProc = NewTXNScrollInfoUPP(TXNScrollInfoProc) ;
2862     if (gTXNScrollActionProc == NULL ) gTXNScrollActionProc = NewControlActionUPP(TXNScrollActionProc) ;
2863 #endif
2864
2865     // set the initial settings for our private data
2866
2867     m_txnWindow = GetControlOwner(m_controlRef);
2868     m_txnPort = (GrafPtr) GetWindowPort(m_txnWindow);
2869
2870 #ifdef __WXMAC_OSX__
2871     // set up the user pane procedures
2872     SetControlData(m_controlRef, kControlEntireControl, kControlUserPaneDrawProcTag, sizeof(gTPDrawProc), &gTPDrawProc);
2873     SetControlData(m_controlRef, kControlEntireControl, kControlUserPaneHitTestProcTag, sizeof(gTPHitProc), &gTPHitProc);
2874     SetControlData(m_controlRef, kControlEntireControl, kControlUserPaneTrackingProcTag, sizeof(gTPTrackProc), &gTPTrackProc);
2875     SetControlData(m_controlRef, kControlEntireControl, kControlUserPaneIdleProcTag, sizeof(gTPIdleProc), &gTPIdleProc);
2876     SetControlData(m_controlRef, kControlEntireControl, kControlUserPaneKeyDownProcTag, sizeof(gTPKeyProc), &gTPKeyProc);
2877     SetControlData(m_controlRef, kControlEntireControl, kControlUserPaneActivateProcTag, sizeof(gTPActivateProc), &gTPActivateProc);
2878     SetControlData(m_controlRef, kControlEntireControl, kControlUserPaneFocusProcTag, sizeof(gTPFocusProc), &gTPFocusProc);
2879 #endif
2880
2881     // calculate the rectangles used by the control
2882     UMAGetControlBoundsInWindowCoords( m_controlRef, &bounds );
2883
2884     m_txnControlBounds = bounds ;
2885     m_txnVisBounds = bounds ;
2886
2887     CGrafPtr origPort ;
2888     GDHandle origDev ;
2889
2890     GetGWorld( &origPort, &origDev ) ;
2891     SetPort( m_txnPort );
2892
2893     // create the new edit field
2894     TXNFrameOptions frameOptions = FrameOptionsFromWXStyle( m_windowStyle );
2895
2896 #ifdef __WXMAC_OSX__
2897     // the scrollbars are not correctly embedded but are inserted at the root:
2898     // this gives us problems as we have erratic redraws even over the structure area
2899
2900     m_sbHorizontal = 0 ;
2901     m_sbVertical = 0 ;
2902     m_lastHorizontalValue = 0 ;
2903     m_lastVerticalValue = 0 ;
2904
2905     Rect sb = { 0 , 0 , 0 , 0 } ;
2906     if ( frameOptions & kTXNWantVScrollBarMask )
2907     {
2908         CreateScrollBarControl( m_txnWindow, &sb, 0, 0, 100, 1, true, gTXNScrollActionProc, &m_sbVertical );
2909         SetControlReference( m_sbVertical, (SInt32)this );
2910         SetControlAction( m_sbVertical, gTXNScrollActionProc );
2911         ShowControl( m_sbVertical );
2912         EmbedControl( m_sbVertical , m_controlRef );
2913         frameOptions &= ~kTXNWantVScrollBarMask;
2914     }
2915
2916     if ( frameOptions & kTXNWantHScrollBarMask )
2917     {
2918         CreateScrollBarControl( m_txnWindow, &sb, 0, 0, 100, 1, true, gTXNScrollActionProc, &m_sbHorizontal );
2919         SetControlReference( m_sbHorizontal, (SInt32)this );
2920         SetControlAction( m_sbHorizontal, gTXNScrollActionProc );
2921         ShowControl( m_sbHorizontal );
2922         EmbedControl( m_sbHorizontal, m_controlRef );
2923         frameOptions &= ~(kTXNWantHScrollBarMask | kTXNDrawGrowIconMask);
2924     }
2925
2926 #endif
2927
2928     err = TXNNewObject(
2929         NULL, m_txnWindow, &bounds, frameOptions,
2930         kTXNTextEditStyleFrameType, kTXNTextensionFile, kTXNSystemDefaultEncoding,
2931         &m_txn, &m_txnFrameID, NULL );
2932     verify_noerr( err );
2933
2934 #if 0
2935     TXNControlTag iControlTags[] = { kTXNUseCarbonEvents };
2936     TXNControlData iControlData[] = { { (UInt32)&cInfo } };
2937     int toptag = WXSIZEOF( iControlTags ) ;
2938     TXNCarbonEventInfo cInfo ;
2939     cInfo.useCarbonEvents = false ;
2940     cInfo.filler = 0 ;
2941     cInfo.flags = 0 ;
2942     cInfo.fDictionary = NULL ;
2943
2944     verify_noerr( TXNSetTXNObjectControls( m_txn, false, toptag, iControlTags, iControlData ) );
2945 #endif
2946
2947 #ifdef __WXMAC_OSX__
2948     TXNRegisterScrollInfoProc( m_txn, gTXNScrollInfoProc, (SInt32)this );
2949 #endif
2950
2951     SetGWorld( origPort , origDev ) ;
2952
2953     return err;
2954 }
2955 #endif
2956
2957 // ----------------------------------------------------------------------------
2958 // MLTE control implementation (OSX part)
2959 // ----------------------------------------------------------------------------
2960
2961 #if TARGET_API_MAC_OSX
2962
2963 #if MAC_OS_X_VERSION_MAX_ALLOWED > MAC_OS_X_VERSION_10_2
2964
2965 // tiger multi-line textcontrols with no CR in the entire content
2966 // don't scroll automatically, so we need a hack.
2967 // This attempt only works 'before' the key (ie before CallNextEventHandler)
2968 // is processed, thus the scrolling always occurs one character too late, but
2969 // better than nothing ...
2970
2971 static const EventTypeSpec eventList[] =
2972 {
2973     { kEventClassTextInput, kEventTextInputUnicodeForKeyEvent } ,
2974 } ;
2975
2976 static pascal OSStatus wxMacUnicodeTextEventHandler( EventHandlerCallRef handler , EventRef event , void *data )
2977 {
2978     OSStatus result = eventNotHandledErr ;
2979     wxMacMLTEHIViewControl* focus = (wxMacMLTEHIViewControl*) data ;
2980
2981     switch ( GetEventKind( event ) )
2982     {
2983         case kEventTextInputUnicodeForKeyEvent :
2984         {
2985             if ( UMAGetSystemVersion() >= 0x1040 )
2986             {
2987                 TXNOffset from , to ;
2988                 TXNGetSelection( focus->GetTXNObject() , &from , &to ) ;
2989                 if ( from == to )
2990                     TXNShowSelection( focus->GetTXNObject() , kTXNShowStart );
2991             }
2992             result = CallNextEventHandler(handler,event);
2993             break;
2994         }
2995         default:
2996             break ;
2997     }
2998
2999     return result ;
3000 }
3001
3002 static pascal OSStatus wxMacTextControlEventHandler( EventHandlerCallRef handler , EventRef event , void *data )
3003 {
3004     OSStatus result = eventNotHandledErr ;
3005
3006     switch ( GetEventClass( event ) )
3007     {
3008         case kEventClassTextInput :
3009             result = wxMacUnicodeTextEventHandler( handler , event , data ) ;
3010             break ;
3011
3012         default :
3013             break ;
3014     }
3015     return result ;
3016 }
3017
3018 DEFINE_ONE_SHOT_HANDLER_GETTER( wxMacTextControlEventHandler )
3019
3020 wxMacMLTEHIViewControl::wxMacMLTEHIViewControl( wxTextCtrl *wxPeer,
3021     const wxString& str,
3022     const wxPoint& pos,
3023     const wxSize& size, long style ) : wxMacMLTEControl( wxPeer )
3024 {
3025     m_font = wxPeer->GetFont() ;
3026     m_windowStyle = style ;
3027     Rect bounds = wxMacGetBoundsForControl( wxPeer , pos , size ) ;
3028     wxString st = str ;
3029     wxMacConvertNewlines10To13( &st ) ;
3030
3031     HIRect hr = {
3032         { bounds.left , bounds.top },
3033         { bounds.right - bounds.left, bounds.bottom - bounds.top } } ;
3034
3035     m_scrollView = NULL ;
3036     TXNFrameOptions frameOptions = FrameOptionsFromWXStyle( style ) ;
3037     if (( frameOptions & (kTXNWantVScrollBarMask | kTXNWantHScrollBarMask)) || !(frameOptions &kTXNSingleLineOnlyMask))
3038     {
3039         if ( frameOptions & (kTXNWantVScrollBarMask | kTXNWantHScrollBarMask) )
3040         {
3041             HIScrollViewCreate(
3042                 (frameOptions & kTXNWantHScrollBarMask ? kHIScrollViewOptionsHorizScroll : 0)
3043                 | (frameOptions & kTXNWantVScrollBarMask ? kHIScrollViewOptionsVertScroll : 0) ,
3044                 &m_scrollView ) ;
3045         }
3046         else
3047         {
3048             HIScrollViewCreate(kHIScrollViewOptionsVertScroll,&m_scrollView);
3049             HIScrollViewSetScrollBarAutoHide(m_scrollView,true);
3050         }
3051
3052         HIViewSetFrame( m_scrollView, &hr );
3053         HIViewSetVisible( m_scrollView, true );
3054     }
3055
3056     m_textView = NULL ;
3057     HITextViewCreate( NULL , 0, frameOptions , &m_textView ) ;
3058     m_txn = HITextViewGetTXNObject( m_textView ) ;
3059     HIViewSetVisible( m_textView , true ) ;
3060     if ( m_scrollView )
3061     {
3062         HIViewAddSubview( m_scrollView , m_textView ) ;
3063         m_controlRef = m_scrollView ;
3064         wxPeer->MacInstallEventHandler( (WXWidget) m_textView ) ;
3065     }
3066     else
3067     {
3068         HIViewSetFrame( m_textView, &hr );
3069         m_controlRef = m_textView ;
3070     }
3071
3072     AdjustCreationAttributes( *wxWHITE , true ) ;
3073 #ifndef __LP64__
3074     wxMacWindowClipper c( m_peer ) ;
3075 #endif
3076     SetTXNData( st , kTXNStartOffset, kTXNEndOffset ) ;
3077
3078     TXNSetSelection( m_txn, 0, 0 );
3079     TXNShowSelection( m_txn, kTXNShowStart );
3080
3081     InstallControlEventHandler( m_textView , GetwxMacTextControlEventHandlerUPP(),
3082                                 GetEventTypeCount(eventList), eventList, this,
3083                                 &m_textEventHandlerRef);
3084 }
3085
3086 wxMacMLTEHIViewControl::~wxMacMLTEHIViewControl()
3087 {
3088     ::RemoveEventHandler( m_textEventHandlerRef ) ;
3089 }
3090
3091 OSStatus wxMacMLTEHIViewControl::SetFocus( ControlFocusPart focusPart )
3092 {
3093     return SetKeyboardFocus( GetControlOwner( m_textView ), m_textView, focusPart ) ;
3094 }
3095
3096 bool wxMacMLTEHIViewControl::HasFocus() const
3097 {
3098     ControlRef control ;
3099     GetKeyboardFocus( GetUserFocusWindow() , &control ) ;
3100     return control == m_textView ;
3101 }
3102
3103 void wxMacMLTEHIViewControl::SetBackground( const wxBrush &brush )
3104 {
3105     wxMacMLTEControl::SetBackground( brush ) ;
3106
3107 #if 0
3108     CGColorSpaceRef rgbSpace = CGColorSpaceCreateDeviceRGB();
3109     RGBColor col = MAC_WXCOLORREF(brush.GetColour().GetPixel()) ;
3110
3111     float component[4] ;
3112     component[0] = col.red / 65536.0 ;
3113     component[1] = col.green / 65536.0 ;
3114     component[2] = col.blue / 65536.0 ;
3115     component[3] = 1.0 ; // alpha
3116
3117     CGColorRef color = CGColorCreate( rgbSpace , component );
3118     HITextViewSetBackgroundColor( m_textView , color );
3119     CGColorSpaceRelease( rgbSpace );
3120 #endif
3121 }
3122
3123 #endif // MAC_OS_X_VERSION_MAX_ALLOWED > MAC_OS_X_VERSION_10_2
3124
3125
3126 #endif
3127
3128 #endif // wxUSE_TEXTCTRL