src/mac/carbon/textctrl.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/mac/carbon/textctrl.cpp
   3 // Purpose:     wxTextCtrl
   4 // Author:      Stefan Csomor
   5 // Modified by: Ryan Norton (MLTE GetLineLength and GetLineText)
   6 // Created:     1998-01-01
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Stefan Csomor
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #include "wx/wxprec.h"
  13
  14 #if wxUSE_TEXTCTRL
  15
  16 #include "wx/textctrl.h"
  17
  18 #ifndef WX_PRECOMP
  19     #include "wx/intl.h"
  20     #include "wx/app.h"
  21     #include "wx/utils.h"
  22     #include "wx/dc.h"
  23     #include "wx/button.h"
  24     #include "wx/menu.h"
  25     #include "wx/settings.h"
  26     #include "wx/msgdlg.h"
  27     #include "wx/toplevel.h"
  28 #endif
  29
  30 #ifdef __DARWIN__
  31     #include <sys/types.h>
  32     #include <sys/stat.h>
  33 #else
  34     #include <stat.h>
  35 #endif
  36
  37 #if wxUSE_STD_IOSTREAM
  38     #if wxUSE_IOSTREAMH
  39         #include <fstream.h>
  40     #else
  41         #include <fstream>
  42     #endif
  43 #endif
  44
  45 #include "wx/filefn.h"
  46 #include "wx/sysopt.h"
  47
  48 #if defined(__BORLANDC__) && !defined(__WIN32__)
  49     #include <alloc.h>
  50 #elif !defined(__MWERKS__) && !defined(__GNUWIN32) && !defined(__DARWIN__)
  51     #include <malloc.h>
  52 #endif
  53
  54 #ifndef __DARWIN__
  55 #include <Scrap.h>
  56 #endif
  57
  58 #ifndef __DARWIN__
  59 #include <MacTextEditor.h>
  60 #include <ATSUnicode.h>
  61 #include <TextCommon.h>
  62 #include <TextEncodingConverter.h>
  63 #endif
  64
  65 #include "wx/mac/uma.h"
  66
  67 #ifndef __WXMAC_OSX__
  68 enum
  69 {
  70     kTXNVisibilityTag = 'visb' // set the visibility state of the object
  71 };
  72 #endif
  73
  74
  75 class wxMacFunctor
  76 {
  77 public :
  78     wxMacFunctor() {}
  79     virtual ~wxMacFunctor() {}
  80
  81     virtual void* operator()() = 0 ;
  82
  83     static void* CallBackProc( void *param )
  84     {
  85         wxMacFunctor* f = (wxMacFunctor*) param ;
  86         void *result = (*f)() ;
  87         return result ;
  88     }
  89 } ;
  90
  91 template<typename classtype, typename param1type>
  92
  93 class wxMacObjectFunctor1 : public wxMacFunctor
  94 {
  95     typedef void (classtype::*function)( param1type p1 ) ;
  96     typedef void (classtype::*ref_function)( const param1type& p1 ) ;
  97 public :
  98     wxMacObjectFunctor1( classtype *obj , function f , param1type p1 ) :
  99         wxMacFunctor()
 100     {
 101         m_object = obj ;
 102         m_function = f ;
 103         m_param1 = p1 ;
 104     }
 105
 106     wxMacObjectFunctor1( classtype *obj , ref_function f , param1type p1 ) :
 107         wxMacFunctor()
 108     {
 109         m_object = obj ;
 110         m_refFunction = f ;
 111         m_param1 = p1 ;
 112     }
 113
 114     virtual ~wxMacObjectFunctor1() {}
 115
 116     virtual void* operator()()
 117     {
 118         (m_object->*m_function)( m_param1 ) ;
 119         return NULL ;
 120     }
 121
 122 private :
 123     classtype* m_object ;
 124     param1type m_param1 ;
 125     union
 126     {
 127         function m_function ;
 128         ref_function m_refFunction ;
 129     } ;
 130 } ;
 131
 132 template<typename classtype, typename param1type>
 133 void* wxMacMPRemoteCall( classtype *object , void (classtype::*function)( param1type p1 ) , param1type p1 )
 134 {
 135     wxMacObjectFunctor1<classtype, param1type> params(object, function, p1) ;
 136     void *result =
 137         MPRemoteCall( wxMacFunctor::CallBackProc , &params , kMPOwningProcessRemoteContext ) ;
 138     return result ;
 139 }
 140
 141 template<typename classtype, typename param1type>
 142 void* wxMacMPRemoteCall( classtype *object , void (classtype::*function)( const param1type& p1 ) , param1type p1 )
 143 {
 144     wxMacObjectFunctor1<classtype,param1type> params(object, function, p1) ;
 145     void *result =
 146         MPRemoteCall( wxMacFunctor::CallBackProc , &params , kMPOwningProcessRemoteContext ) ;
 147     return result ;
 148 }
 149
 150 template<typename classtype, typename param1type>
 151 void* wxMacMPRemoteGUICall( classtype *object , void (classtype::*function)( param1type p1 ) , param1type p1 )
 152 {
 153     wxMutexGuiLeave() ;
 154     void *result = wxMacMPRemoteCall( object , function , p1 ) ;
 155     wxMutexGuiEnter() ;
 156     return result ;
 157 }
 158
 159 template<typename classtype, typename param1type>
 160 void* wxMacMPRemoteGUICall( classtype *object , void (classtype::*function)( const param1type& p1 ) , param1type p1 )
 161 {
 162     wxMutexGuiLeave() ;
 163     void *result = wxMacMPRemoteCall( object , function , p1 ) ;
 164     wxMutexGuiEnter() ;
 165     return result ;
 166 }
 167
 168 // common interface for all implementations
 169 class wxMacTextControl : public wxMacControl
 170 {
 171 public :
 172     wxMacTextControl( wxTextCtrl *peer ) ;
 173     virtual ~wxMacTextControl() ;
 174
 175     virtual wxString GetStringValue() const = 0 ;
 176     virtual void SetStringValue( const wxString &val ) = 0 ;
 177     virtual void SetSelection( long from, long to ) = 0 ;
 178     virtual void GetSelection( long* from, long* to ) const = 0 ;
 179     virtual void WriteText( const wxString& str ) = 0 ;
 180
 181     virtual void SetStyle( long start, long end, const wxTextAttr& style ) ;
 182     virtual void Copy() ;
 183     virtual void Cut() ;
 184     virtual void Paste() ;
 185     virtual bool CanPaste() const ;
 186     virtual void SetEditable( bool editable ) ;
 187     virtual wxTextPos GetLastPosition() const ;
 188     virtual void Replace( long from, long to, const wxString &str ) ;
 189     virtual void Remove( long from, long to ) ;
 190
 191
 192     virtual bool HasOwnContextMenu() const
 193     { return false ; }
 194
 195     virtual bool SetupCursor( const wxPoint& pt )
 196     { return false ; }
 197
 198     virtual void Clear() ;
 199     virtual bool CanUndo() const;
 200     virtual void Undo() ;
 201     virtual bool CanRedo() const;
 202     virtual void Redo() ;
 203     virtual int GetNumberOfLines() const ;
 204     virtual long XYToPosition(long x, long y) const;
 205     virtual bool PositionToXY(long pos, long *x, long *y) const ;
 206     virtual void ShowPosition(long WXUNUSED(pos)) ;
 207     virtual int GetLineLength(long lineNo) const ;
 208     virtual wxString GetLineText(long lineNo) const ;
 209
 210 #ifndef __WXMAC_OSX__
 211     virtual void            MacControlUserPaneDrawProc(wxInt16 part) = 0 ;
 212     virtual wxInt16         MacControlUserPaneHitTestProc(wxInt16 x, wxInt16 y) = 0 ;
 213     virtual wxInt16         MacControlUserPaneTrackingProc(wxInt16 x, wxInt16 y, void* actionProc) = 0 ;
 214     virtual void            MacControlUserPaneIdleProc() = 0 ;
 215     virtual wxInt16         MacControlUserPaneKeyDownProc(wxInt16 keyCode, wxInt16 charCode, wxInt16 modifiers) = 0 ;
 216     virtual void            MacControlUserPaneActivateProc(bool activating) = 0 ;
 217     virtual wxInt16         MacControlUserPaneFocusProc(wxInt16 action) = 0 ;
 218     virtual void            MacControlUserPaneBackgroundProc(void* info) = 0 ;
 219 #endif
 220 } ;
 221
 222 // common parts for implementations based on MLTE
 223
 224 class wxMacMLTEControl : public wxMacTextControl
 225 {
 226 public :
 227     wxMacMLTEControl( wxTextCtrl *peer ) ;
 228
 229     virtual wxString GetStringValue() const ;
 230     virtual void SetStringValue( const wxString &str ) ;
 231
 232     static TXNFrameOptions FrameOptionsFromWXStyle( long wxStyle ) ;
 233
 234     void AdjustCreationAttributes( const wxColour& background, bool visible ) ;
 235
 236     virtual void SetFont( const wxFont & font, const wxColour& foreground, long windowStyle ) ;
 237     virtual void SetBackground( const wxBrush &brush ) ;
 238     virtual void SetStyle( long start, long end, const wxTextAttr& style ) ;
 239     virtual void Copy() ;
 240     virtual void Cut() ;
 241     virtual void Paste() ;
 242     virtual bool CanPaste() const ;
 243     virtual void SetEditable( bool editable ) ;
 244     virtual wxTextPos GetLastPosition() const ;
 245     virtual void Replace( long from, long to, const wxString &str ) ;
 246     virtual void Remove( long from, long to ) ;
 247     virtual void GetSelection( long* from, long* to ) const ;
 248     virtual void SetSelection( long from, long to ) ;
 249
 250     virtual void WriteText( const wxString& str ) ;
 251
 252     virtual bool HasOwnContextMenu() const
 253     {
 254 #if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_4
 255         if ( UMAGetSystemVersion() >= 0x1040 )
 256         {
 257             TXNCommandEventSupportOptions options ;
 258             TXNGetCommandEventSupport( m_txn , & options ) ;
 259             return options & kTXNSupportEditCommandProcessing ;
 260         }
 261 #endif
 262
 263         return false ;
 264     }
 265
 266     virtual void Clear() ;
 267
 268     virtual bool CanUndo() const ;
 269     virtual void Undo() ;
 270     virtual bool CanRedo()  const;
 271     virtual void Redo() ;
 272     virtual int GetNumberOfLines() const ;
 273     virtual long XYToPosition(long x, long y) const ;
 274     virtual bool PositionToXY(long pos, long *x, long *y) const ;
 275     virtual void ShowPosition( long pos ) ;
 276     virtual int GetLineLength(long lineNo) const ;
 277     virtual wxString GetLineText(long lineNo) const ;
 278
 279     void SetTXNData( const wxString& st , TXNOffset start , TXNOffset end ) ;
 280     TXNObject GetTXNObject() { return m_txn ; }
 281
 282 protected :
 283     void TXNSetAttribute( const wxTextAttr& style , long from , long to ) ;
 284
 285     TXNObject m_txn ;
 286 } ;
 287
 288 #if TARGET_API_MAC_OSX
 289
 290 // implementation available under OSX
 291
 292 #if MAC_OS_X_VERSION_MAX_ALLOWED > MAC_OS_X_VERSION_10_2
 293
 294 class wxMacMLTEHIViewControl : public wxMacMLTEControl
 295 {
 296 public :
 297     wxMacMLTEHIViewControl( wxTextCtrl *wxPeer,
 298                              const wxString& str,
 299                              const wxPoint& pos,
 300                              const wxSize& size, long style ) ;
 301     virtual ~wxMacMLTEHIViewControl() ;
 302
 303     virtual OSStatus SetFocus( ControlFocusPart focusPart ) ;
 304     virtual bool HasFocus() const ;
 305     virtual void SetBackground( const wxBrush &brush) ;
 306
 307 protected :
 308     HIViewRef m_scrollView ;
 309     HIViewRef m_textView ;
 310     EventHandlerRef m_textEventHandlerRef ;
 311 };
 312
 313 #endif
 314
 315 class wxMacUnicodeTextControl : public wxMacTextControl
 316 {
 317 public :
 318     wxMacUnicodeTextControl( wxTextCtrl *wxPeer,
 319                              const wxString& str,
 320                              const wxPoint& pos,
 321                              const wxSize& size, long style ) ;
 322     virtual ~wxMacUnicodeTextControl();
 323
 324     virtual void VisibilityChanged(bool shown);
 325     virtual wxString GetStringValue() const ;
 326     virtual void SetStringValue( const wxString &str) ;
 327     virtual void Copy();
 328     virtual void Cut();
 329     virtual void Paste();
 330     virtual bool CanPaste() const;
 331     virtual void SetEditable(bool editable) ;
 332     virtual void GetSelection( long* from, long* to) const ;
 333     virtual void SetSelection( long from , long to ) ;
 334     virtual void WriteText(const wxString& str) ;
 335
 336 protected :
 337     // contains the tag for the content (is different for password and non-password controls)
 338     OSType m_valueTag ;
 339
 340     // as the selection tag only works correctly when the control has the focus we have to mirror the
 341     // intended value
 342     EventHandlerRef m_focusHandlerRef ;
 343 public :
 344     ControlEditTextSelectionRec m_selection ;
 345 };
 346
 347 #endif
 348
 349 // 'classic' MLTE implementation
 350
 351 class wxMacMLTEClassicControl : public wxMacMLTEControl
 352 {
 353 public :
 354     wxMacMLTEClassicControl( wxTextCtrl *wxPeer,
 355                              const wxString& str,
 356                              const wxPoint& pos,
 357                              const wxSize& size, long style ) ;
 358     virtual ~wxMacMLTEClassicControl() ;
 359
 360     virtual void VisibilityChanged(bool shown) ;
 361     virtual void SuperChangedPosition() ;
 362
 363     virtual void            MacControlUserPaneDrawProc(wxInt16 part) ;
 364     virtual wxInt16         MacControlUserPaneHitTestProc(wxInt16 x, wxInt16 y) ;
 365     virtual wxInt16         MacControlUserPaneTrackingProc(wxInt16 x, wxInt16 y, void* actionProc) ;
 366     virtual void            MacControlUserPaneIdleProc() ;
 367     virtual wxInt16         MacControlUserPaneKeyDownProc(wxInt16 keyCode, wxInt16 charCode, wxInt16 modifiers) ;
 368     virtual void            MacControlUserPaneActivateProc(bool activating) ;
 369     virtual wxInt16         MacControlUserPaneFocusProc(wxInt16 action) ;
 370     virtual void            MacControlUserPaneBackgroundProc(void* info) ;
 371
 372     virtual bool SetupCursor( const wxPoint& WXUNUSED(pt) )
 373     {
 374         MacControlUserPaneIdleProc();
 375         return true;
 376     }
 377
 378     virtual void            SetRect( Rect *r ) ;
 379
 380 protected :
 381     OSStatus                 DoCreate();
 382
 383     void                    MacUpdatePosition() ;
 384     void                    MacActivatePaneText(bool setActive) ;
 385     void                    MacFocusPaneText(bool setFocus) ;
 386     void                    MacSetObjectVisibility(bool vis) ;
 387
 388 private :
 389     TXNFrameID              m_txnFrameID ;
 390     GrafPtr                 m_txnPort ;
 391     WindowRef               m_txnWindow ;
 392     // bounds of the control as we last did set the txn frames
 393     Rect                    m_txnControlBounds ;
 394     Rect                    m_txnVisBounds ;
 395
 396 #ifdef __WXMAC_OSX__
 397     static pascal void TXNScrollActionProc( ControlRef controlRef , ControlPartCode partCode ) ;
 398     static pascal void TXNScrollInfoProc(
 399         SInt32 iValue, SInt32 iMaximumValue,
 400         TXNScrollBarOrientation iScrollBarOrientation, SInt32 iRefCon ) ;
 401
 402     ControlRef              m_sbHorizontal ;
 403     SInt32                  m_lastHorizontalValue ;
 404     ControlRef              m_sbVertical ;
 405     SInt32                  m_lastVerticalValue ;
 406 #endif
 407 };
 408
 409
 410 IMPLEMENT_DYNAMIC_CLASS(wxTextCtrl, wxTextCtrlBase)
 411
 412 BEGIN_EVENT_TABLE(wxTextCtrl, wxTextCtrlBase)
 413     EVT_ERASE_BACKGROUND( wxTextCtrl::OnEraseBackground )
 414     EVT_DROP_FILES(wxTextCtrl::OnDropFiles)
 415     EVT_CHAR(wxTextCtrl::OnChar)
 416     EVT_MENU(wxID_CUT, wxTextCtrl::OnCut)
 417     EVT_MENU(wxID_COPY, wxTextCtrl::OnCopy)
 418     EVT_MENU(wxID_PASTE, wxTextCtrl::OnPaste)
 419     EVT_MENU(wxID_UNDO, wxTextCtrl::OnUndo)
 420     EVT_MENU(wxID_REDO, wxTextCtrl::OnRedo)
 421     EVT_MENU(wxID_CLEAR, wxTextCtrl::OnDelete)
 422     EVT_MENU(wxID_SELECTALL, wxTextCtrl::OnSelectAll)
 423
 424     EVT_CONTEXT_MENU(wxTextCtrl::OnContextMenu)
 425
 426     EVT_UPDATE_UI(wxID_CUT, wxTextCtrl::OnUpdateCut)
 427     EVT_UPDATE_UI(wxID_COPY, wxTextCtrl::OnUpdateCopy)
 428     EVT_UPDATE_UI(wxID_PASTE, wxTextCtrl::OnUpdatePaste)
 429     EVT_UPDATE_UI(wxID_UNDO, wxTextCtrl::OnUpdateUndo)
 430     EVT_UPDATE_UI(wxID_REDO, wxTextCtrl::OnUpdateRedo)
 431     EVT_UPDATE_UI(wxID_CLEAR, wxTextCtrl::OnUpdateDelete)
 432     EVT_UPDATE_UI(wxID_SELECTALL, wxTextCtrl::OnUpdateSelectAll)
 433 END_EVENT_TABLE()
 434
 435
 436 void wxTextCtrl::Init()
 437 {
 438     m_editable = true ;
 439     m_dirty = false;
 440
 441     m_maxLength = 0;
 442     m_privateContextMenu = NULL;
 443     m_triggerOnSetValue = true ;
 444 }
 445
 446 wxTextCtrl::~wxTextCtrl()
 447 {
 448     delete m_privateContextMenu;
 449 }
 450
 451 bool wxTextCtrl::Create( wxWindow *parent,
 452     wxWindowID id,
 453     const wxString& str,
 454     const wxPoint& pos,
 455     const wxSize& size,
 456     long style,
 457     const wxValidator& validator,
 458     const wxString& name )
 459 {
 460     m_macIsUserPane = false ;
 461     m_editable = true ;
 462
 463     if ( ! (style & wxNO_BORDER) )
 464         style = (style & ~wxBORDER_MASK) | wxSUNKEN_BORDER ;
 465
 466     if ( !wxTextCtrlBase::Create( parent, id, pos, size, style & ~(wxHSCROLL | wxVSCROLL), validator, name ) )
 467         return false;
 468
 469     if ( m_windowStyle & wxTE_MULTILINE )
 470     {
 471         // always turn on this style for multi-line controls
 472         m_windowStyle |= wxTE_PROCESS_ENTER;
 473         style |= wxTE_PROCESS_ENTER ;
 474     }
 475
 476     bool forceMLTE = false ;
 477
 478 #if wxUSE_SYSTEM_OPTIONS
 479     if (wxSystemOptions::HasOption( wxMAC_TEXTCONTROL_USE_MLTE ) && (wxSystemOptions::GetOptionInt( wxMAC_TEXTCONTROL_USE_MLTE ) == 1))
 480     {
 481         forceMLTE = true ;
 482     }
 483 #endif
 484
 485 #ifdef __WXMAC_OSX__
 486 #if MAC_OS_X_VERSION_MAX_ALLOWED > MAC_OS_X_VERSION_10_2
 487     if ( UMAGetSystemVersion() >= 0x1030 && !forceMLTE )
 488     {
 489         if ( m_windowStyle & wxTE_MULTILINE )
 490             m_peer = new wxMacMLTEHIViewControl( this , str , pos , size , style ) ;
 491     }
 492 #endif
 493
 494     if ( !m_peer )
 495     {
 496         if ( !(m_windowStyle & wxTE_MULTILINE) && !forceMLTE )
 497             m_peer = new wxMacUnicodeTextControl( this , str , pos , size , style ) ;
 498     }
 499 #endif
 500
 501     if ( !m_peer )
 502         m_peer = new wxMacMLTEClassicControl( this , str , pos , size , style ) ;
 503
 504     MacPostControlCreate(pos, size) ;
 505
 506     // only now the embedding is correct and we can do a positioning update
 507
 508     MacSuperChangedPosition() ;
 509
 510     if ( m_windowStyle & wxTE_READONLY)
 511         SetEditable( false ) ;
 512
 513     SetCursor( wxCursor( wxCURSOR_IBEAM ) ) ;
 514
 515     return true;
 516 }
 517
 518 void wxTextCtrl::MacSuperChangedPosition()
 519 {
 520     wxWindow::MacSuperChangedPosition() ;
 521     GetPeer()->SuperChangedPosition() ;
 522 }
 523
 524 void wxTextCtrl::MacVisibilityChanged()
 525 {
 526     GetPeer()->VisibilityChanged( MacIsReallyShown() ) ;
 527 }
 528
 529 void wxTextCtrl::MacEnabledStateChanged()
 530 {
 531 }
 532
 533 wxString wxTextCtrl::GetValue() const
 534 {
 535     return GetPeer()->GetStringValue() ;
 536 }
 537
 538 void wxTextCtrl::GetSelection(long* from, long* to) const
 539 {
 540     GetPeer()->GetSelection( from , to ) ;
 541 }
 542
 543 void wxTextCtrl::DoSetValue(const wxString& str, int flags)
 544 {
 545     // optimize redraws
 546     if ( GetValue() == str )
 547         return;
 548
 549     GetPeer()->SetStringValue( str ) ;
 550
 551     if ( (flags & SetValue_SendEvent) && m_triggerOnSetValue )
 552     {
 553         SendTextUpdatedEvent();
 554     }
 555 }
 556
 557 void wxTextCtrl::SetMaxLength(unsigned long len)
 558 {
 559     m_maxLength = len ;
 560 }
 561
 562 bool wxTextCtrl::SetFont( const wxFont& font )
 563 {
 564     if ( !wxTextCtrlBase::SetFont( font ) )
 565         return false ;
 566
 567     GetPeer()->SetFont( font , GetForegroundColour() , GetWindowStyle() ) ;
 568
 569     return true ;
 570 }
 571
 572 bool wxTextCtrl::SetStyle(long start, long end, const wxTextAttr& style)
 573 {
 574     GetPeer()->SetStyle( start , end , style ) ;
 575
 576     return true ;
 577 }
 578
 579 bool wxTextCtrl::SetDefaultStyle(const wxTextAttr& style)
 580 {
 581     wxTextCtrlBase::SetDefaultStyle( style ) ;
 582     SetStyle( kTXNUseCurrentSelection , kTXNUseCurrentSelection , GetDefaultStyle() ) ;
 583
 584     return true ;
 585 }
 586
 587 // Clipboard operations
 588
 589 void wxTextCtrl::Copy()
 590 {
 591     if (CanCopy())
 592         GetPeer()->Copy() ;
 593 }
 594
 595 void wxTextCtrl::Cut()
 596 {
 597     if (CanCut())
 598     {
 599         GetPeer()->Cut() ;
 600
 601         wxCommandEvent event( wxEVT_COMMAND_TEXT_UPDATED, m_windowId );
 602         event.SetEventObject( this );
 603         GetEventHandler()->ProcessEvent( event );
 604       }
 605 }
 606
 607 void wxTextCtrl::Paste()
 608 {
 609     if (CanPaste())
 610     {
 611         GetPeer()->Paste() ;
 612
 613         // TODO: eventually we should add setting the default style again
 614
 615         wxCommandEvent event( wxEVT_COMMAND_TEXT_UPDATED, m_windowId );
 616         event.SetEventObject( this );
 617         GetEventHandler()->ProcessEvent( event );
 618     }
 619 }
 620
 621 bool wxTextCtrl::CanCopy() const
 622 {
 623     // Can copy if there's a selection
 624     long from, to;
 625     GetSelection( &from, &to );
 626
 627     return (from != to);
 628 }
 629
 630 bool wxTextCtrl::CanCut() const
 631 {
 632     if ( !IsEditable() )
 633         return false;
 634
 635     // Can cut if there's a selection
 636     long from, to;
 637     GetSelection( &from, &to );
 638
 639     return (from != to);
 640 }
 641
 642 bool wxTextCtrl::CanPaste() const
 643 {
 644     if (!IsEditable())
 645         return false;
 646
 647     return GetPeer()->CanPaste() ;
 648 }
 649
 650 void wxTextCtrl::SetEditable(bool editable)
 651 {
 652     if ( editable != m_editable )
 653     {
 654         m_editable = editable ;
 655         GetPeer()->SetEditable( editable ) ;
 656     }
 657 }
 658
 659 void wxTextCtrl::SetInsertionPoint(long pos)
 660 {
 661     SetSelection( pos , pos ) ;
 662 }
 663
 664 void wxTextCtrl::SetInsertionPointEnd()
 665 {
 666     wxTextPos pos = GetLastPosition();
 667     SetInsertionPoint( pos );
 668 }
 669
 670 long wxTextCtrl::GetInsertionPoint() const
 671 {
 672     long begin, end ;
 673     GetSelection( &begin , &end ) ;
 674
 675     return begin ;
 676 }
 677
 678 wxTextPos wxTextCtrl::GetLastPosition() const
 679 {
 680     return GetPeer()->GetLastPosition() ;
 681 }
 682
 683 void wxTextCtrl::Replace(long from, long to, const wxString& str)
 684 {
 685     GetPeer()->Replace( from , to , str ) ;
 686 }
 687
 688 void wxTextCtrl::Remove(long from, long to)
 689 {
 690     GetPeer()->Remove( from , to ) ;
 691 }
 692
 693 void wxTextCtrl::SetSelection(long from, long to)
 694 {
 695     GetPeer()->SetSelection( from , to ) ;
 696 }
 697
 698 void wxTextCtrl::WriteText(const wxString& str)
 699 {
 700     // TODO: this MPRemoting will be moved into a remoting peer proxy for any command
 701     if ( !wxIsMainThread() )
 702     {
 703         // unfortunately CW 8 is not able to correctly deduce the template types,
 704         // so we have to instantiate explicitly
 705         wxMacMPRemoteGUICall<wxTextCtrl,wxString>( this , &wxTextCtrl::WriteText , str ) ;
 706
 707         return ;
 708     }
 709
 710     GetPeer()->WriteText( str ) ;
 711 }
 712
 713 void wxTextCtrl::AppendText(const wxString& text)
 714 {
 715     SetInsertionPointEnd();
 716     WriteText( text );
 717 }
 718
 719 void wxTextCtrl::Clear()
 720 {
 721     GetPeer()->Clear() ;
 722 }
 723
 724 bool wxTextCtrl::IsModified() const
 725 {
 726     return m_dirty;
 727 }
 728
 729 bool wxTextCtrl::IsEditable() const
 730 {
 731     return IsEnabled() && m_editable ;
 732 }
 733
 734 bool wxTextCtrl::AcceptsFocus() const
 735 {
 736     // we don't want focus if we can't be edited
 737     return /*IsEditable() && */ wxControl::AcceptsFocus();
 738 }
 739
 740 wxSize wxTextCtrl::DoGetBestSize() const
 741 {
 742     int wText, hText;
 743
 744     // these are the numbers from the HIG:
 745     // we reduce them by the borders first
 746     wText = 100 ;
 747
 748     switch ( m_windowVariant )
 749     {
 750         case wxWINDOW_VARIANT_NORMAL :
 751             hText = 22 - 6 ;
 752             break ;
 753
 754         case wxWINDOW_VARIANT_SMALL :
 755             hText = 19 - 6 ;
 756             break ;
 757
 758         case wxWINDOW_VARIANT_MINI :
 759             hText = 15 - 6 ;
 760             break ;
 761
 762         default :
 763             hText = 22 - 6;
 764             break ;
 765     }
 766
 767     // as the above numbers have some free space around the text
 768     // we get 5 lines like this anyway
 769     if ( m_windowStyle & wxTE_MULTILINE )
 770          hText *= 5 ;
 771
 772     if ( !HasFlag(wxNO_BORDER) )
 773         hText += 6 ;
 774
 775     return wxSize(wText, hText);
 776 }
 777
 778 // ----------------------------------------------------------------------------
 779 // Undo/redo
 780 // ----------------------------------------------------------------------------
 781
 782 void wxTextCtrl::Undo()
 783 {
 784     if (CanUndo())
 785         GetPeer()->Undo() ;
 786 }
 787
 788 void wxTextCtrl::Redo()
 789 {
 790     if (CanRedo())
 791         GetPeer()->Redo() ;
 792 }
 793
 794 bool wxTextCtrl::CanUndo() const
 795 {
 796     if ( !IsEditable() )
 797         return false ;
 798
 799     return GetPeer()->CanUndo() ;
 800 }
 801
 802 bool wxTextCtrl::CanRedo() const
 803 {
 804     if ( !IsEditable() )
 805         return false ;
 806
 807     return GetPeer()->CanRedo() ;
 808 }
 809
 810 void wxTextCtrl::MarkDirty()
 811 {
 812     m_dirty = true;
 813 }
 814
 815 void wxTextCtrl::DiscardEdits()
 816 {
 817     m_dirty = false;
 818 }
 819
 820 int wxTextCtrl::GetNumberOfLines() const
 821 {
 822     return GetPeer()->GetNumberOfLines() ;
 823 }
 824
 825 long wxTextCtrl::XYToPosition(long x, long y) const
 826 {
 827     return GetPeer()->XYToPosition( x , y ) ;
 828 }
 829
 830 bool wxTextCtrl::PositionToXY(long pos, long *x, long *y) const
 831 {
 832     return GetPeer()->PositionToXY( pos , x , y ) ;
 833 }
 834
 835 void wxTextCtrl::ShowPosition(long pos)
 836 {
 837     return GetPeer()->ShowPosition(pos) ;
 838 }
 839
 840 int wxTextCtrl::GetLineLength(long lineNo) const
 841 {
 842     return GetPeer()->GetLineLength(lineNo) ;
 843 }
 844
 845 wxString wxTextCtrl::GetLineText(long lineNo) const
 846 {
 847     return GetPeer()->GetLineText(lineNo) ;
 848 }
 849
 850 void wxTextCtrl::Command(wxCommandEvent & event)
 851 {
 852     SetValue(event.GetString());
 853     ProcessCommand(event);
 854 }
 855
 856 void wxTextCtrl::OnDropFiles(wxDropFilesEvent& event)
 857 {
 858     // By default, load the first file into the text window.
 859     if (event.GetNumberOfFiles() > 0)
 860         LoadFile( event.GetFiles()[0] );
 861 }
 862
 863 void wxTextCtrl::OnEraseBackground(wxEraseEvent& event)
 864 {
 865     // all erasing should be done by the real mac control implementation
 866     // while this is true for MLTE under classic, the HITextView is somehow
 867     // transparent but background erase is not working correctly, so intercept
 868     // things while we can...
 869     event.Skip() ;
 870 }
 871
 872 void wxTextCtrl::OnChar(wxKeyEvent& event)
 873 {
 874     int key = event.GetKeyCode() ;
 875     bool eat_key = false ;
 876
 877     if ( key == 'a' && event.MetaDown() )
 878     {
 879         SelectAll() ;
 880
 881         return ;
 882     }
 883
 884     if ( key == 'c' && event.MetaDown() )
 885     {
 886         if ( CanCopy() )
 887             Copy() ;
 888
 889         return ;
 890     }
 891
 892     if ( !IsEditable() && key != WXK_LEFT && key != WXK_RIGHT && key != WXK_DOWN && key != WXK_UP && key != WXK_TAB &&
 893         !( key == WXK_RETURN && ( (m_windowStyle & wxTE_PROCESS_ENTER) || (m_windowStyle & wxTE_MULTILINE) ) )
 894 //        && key != WXK_PAGEUP && key != WXK_PAGEDOWN && key != WXK_HOME && key != WXK_END
 895         )
 896     {
 897         // eat it
 898         return ;
 899     }
 900
 901     // Check if we have reached the max # of chars (if it is set), but still
 902     // allow navigation and deletion
 903     if ( !IsMultiLine() && m_maxLength && GetValue().length() >= m_maxLength &&
 904         key != WXK_LEFT && key != WXK_RIGHT && key != WXK_TAB &&
 905         key != WXK_BACK && !( key == WXK_RETURN && (m_windowStyle & wxTE_PROCESS_ENTER) )
 906        )
 907     {
 908         // eat it, we don't want to add more than allowed # of characters
 909
 910         // TODO: generate EVT_TEXT_MAXLEN()
 911         return;
 912     }
 913
 914     // assume that any key not processed yet is going to modify the control
 915     m_dirty = true;
 916
 917     if ( key == 'v' && event.MetaDown() )
 918     {
 919         if ( CanPaste() )
 920             Paste() ;
 921
 922         return ;
 923     }
 924
 925     if ( key == 'x' && event.MetaDown() )
 926     {
 927         if ( CanCut() )
 928             Cut() ;
 929
 930         return ;
 931     }
 932
 933     switch ( key )
 934     {
 935         case WXK_RETURN:
 936             if (m_windowStyle & wxTE_PROCESS_ENTER)
 937             {
 938                 wxCommandEvent event(wxEVT_COMMAND_TEXT_ENTER, m_windowId);
 939                 event.SetEventObject( this );
 940                 event.SetString( GetValue() );
 941                 if ( GetEventHandler()->ProcessEvent(event) )
 942                     return;
 943             }
 944
 945             if ( !(m_windowStyle & wxTE_MULTILINE) )
 946             {
 947                 wxTopLevelWindow *tlw = wxDynamicCast(wxGetTopLevelParent(this), wxTopLevelWindow);
 948                 if ( tlw && tlw->GetDefaultItem() )
 949                 {
 950                     wxButton *def = wxDynamicCast(tlw->GetDefaultItem(), wxButton);
 951                     if ( def && def->IsEnabled() )
 952                     {
 953                         wxCommandEvent event(wxEVT_COMMAND_BUTTON_CLICKED, def->GetId() );
 954                         event.SetEventObject(def);
 955                         def->Command(event);
 956
 957                         return ;
 958                     }
 959                 }
 960
 961                 // this will make wxWidgets eat the ENTER key so that
 962                 // we actually prevent line wrapping in a single line text control
 963                 eat_key = true;
 964             }
 965             break;
 966
 967         case WXK_TAB:
 968             if ( !(m_windowStyle & wxTE_PROCESS_TAB))
 969             {
 970                 int flags = 0;
 971                 if (!event.ShiftDown())
 972                     flags |= wxNavigationKeyEvent::IsForward ;
 973                 if (event.ControlDown())
 974                     flags |= wxNavigationKeyEvent::WinChange ;
 975                 Navigate(flags);
 976
 977                 return;
 978             }
 979             else
 980             {
 981                 // This is necessary (don't know why);
 982                 // otherwise the tab will not be inserted.
 983                 WriteText(wxT("\t"));
 984                 eat_key = true;
 985             }
 986             break;
 987
 988         default:
 989             break;
 990     }
 991
 992     if (!eat_key)
 993     {
 994         // perform keystroke handling
 995         event.Skip(true) ;
 996     }
 997
 998     if ( ( key >= 0x20 && key < WXK_START ) ||
 999          ( key >= WXK_NUMPAD0 && key <= WXK_DIVIDE ) ||
1000          key == WXK_RETURN ||
1001          key == WXK_DELETE ||
1002          key == WXK_BACK)
1003     {
1004         wxCommandEvent event1(wxEVT_COMMAND_TEXT_UPDATED, m_windowId);
1005         event1.SetEventObject( this );
1006         wxPostEvent( GetEventHandler(), event1 );
1007     }
1008 }
1009
1010 // ----------------------------------------------------------------------------
1011 // standard handlers for standard edit menu events
1012 // ----------------------------------------------------------------------------
1013
1014 void wxTextCtrl::OnCut(wxCommandEvent& WXUNUSED(event))
1015 {
1016     Cut();
1017 }
1018
1019 void wxTextCtrl::OnCopy(wxCommandEvent& WXUNUSED(event))
1020 {
1021     Copy();
1022 }
1023
1024 void wxTextCtrl::OnPaste(wxCommandEvent& WXUNUSED(event))
1025 {
1026     Paste();
1027 }
1028
1029 void wxTextCtrl::OnUndo(wxCommandEvent& WXUNUSED(event))
1030 {
1031     Undo();
1032 }
1033
1034 void wxTextCtrl::OnRedo(wxCommandEvent& WXUNUSED(event))
1035 {
1036     Redo();
1037 }
1038
1039 void wxTextCtrl::OnDelete(wxCommandEvent& WXUNUSED(event))
1040 {
1041     long from, to;
1042
1043     GetSelection( &from, &to );
1044     if (from != -1 && to != -1)
1045         Remove( from, to );
1046 }
1047
1048 void wxTextCtrl::OnSelectAll(wxCommandEvent& WXUNUSED(event))
1049 {
1050     SetSelection(-1, -1);
1051 }
1052
1053 void wxTextCtrl::OnUpdateCut(wxUpdateUIEvent& event)
1054 {
1055     event.Enable( CanCut() );
1056 }
1057
1058 void wxTextCtrl::OnUpdateCopy(wxUpdateUIEvent& event)
1059 {
1060     event.Enable( CanCopy() );
1061 }
1062
1063 void wxTextCtrl::OnUpdatePaste(wxUpdateUIEvent& event)
1064 {
1065     event.Enable( CanPaste() );
1066 }
1067
1068 void wxTextCtrl::OnUpdateUndo(wxUpdateUIEvent& event)
1069 {
1070     event.Enable( CanUndo() );
1071 }
1072
1073 void wxTextCtrl::OnUpdateRedo(wxUpdateUIEvent& event)
1074 {
1075     event.Enable( CanRedo() );
1076 }
1077
1078 void wxTextCtrl::OnUpdateDelete(wxUpdateUIEvent& event)
1079 {
1080     long from, to;
1081
1082     GetSelection( &from, &to );
1083     event.Enable( from != -1 && to != -1 && from != to && IsEditable() ) ;
1084 }
1085
1086 void wxTextCtrl::OnUpdateSelectAll(wxUpdateUIEvent& event)
1087 {
1088     event.Enable(GetLastPosition() > 0);
1089 }
1090
1091 // CS: Context Menus only work with MLTE implementations or non-multiline HIViews at the moment
1092
1093 void wxTextCtrl::OnContextMenu(wxContextMenuEvent& event)
1094 {
1095     if ( GetPeer()->HasOwnContextMenu() )
1096     {
1097         event.Skip() ;
1098         return ;
1099     }
1100
1101     if (m_privateContextMenu == NULL)
1102     {
1103         m_privateContextMenu = new wxMenu;
1104         m_privateContextMenu->Append(wxID_UNDO, _("&Undo"));
1105         m_privateContextMenu->Append(wxID_REDO, _("&Redo"));
1106         m_privateContextMenu->AppendSeparator();
1107         m_privateContextMenu->Append(wxID_CUT, _("Cu&t"));
1108         m_privateContextMenu->Append(wxID_COPY, _("&Copy"));
1109         m_privateContextMenu->Append(wxID_PASTE, _("&Paste"));
1110         m_privateContextMenu->Append(wxID_CLEAR, _("&Delete"));
1111         m_privateContextMenu->AppendSeparator();
1112         m_privateContextMenu->Append(wxID_SELECTALL, _("Select &All"));
1113     }
1114
1115     if (m_privateContextMenu != NULL)
1116         PopupMenu(m_privateContextMenu);
1117 }
1118
1119 bool wxTextCtrl::MacSetupCursor( const wxPoint& pt )
1120 {
1121     if ( !GetPeer()->SetupCursor( pt ) )
1122         return wxWindow::MacSetupCursor( pt ) ;
1123     else
1124         return true ;
1125 }
1126
1127 #if !TARGET_API_MAC_OSX
1128
1129 // user pane implementation
1130
1131 void wxTextCtrl::MacControlUserPaneDrawProc(wxInt16 part)
1132 {
1133     GetPeer()->MacControlUserPaneDrawProc( part ) ;
1134 }
1135
1136 wxInt16 wxTextCtrl::MacControlUserPaneHitTestProc(wxInt16 x, wxInt16 y)
1137 {
1138     return GetPeer()->MacControlUserPaneHitTestProc( x , y ) ;
1139 }
1140
1141 wxInt16 wxTextCtrl::MacControlUserPaneTrackingProc(wxInt16 x, wxInt16 y, void* actionProc)
1142 {
1143     return GetPeer()->MacControlUserPaneTrackingProc( x , y , actionProc ) ;
1144 }
1145
1146 void wxTextCtrl::MacControlUserPaneIdleProc()
1147 {
1148     GetPeer()->MacControlUserPaneIdleProc( ) ;
1149 }
1150
1151 wxInt16 wxTextCtrl::MacControlUserPaneKeyDownProc(wxInt16 keyCode, wxInt16 charCode, wxInt16 modifiers)
1152 {
1153     return GetPeer()->MacControlUserPaneKeyDownProc( keyCode , charCode , modifiers ) ;
1154 }
1155
1156 void wxTextCtrl::MacControlUserPaneActivateProc(bool activating)
1157 {
1158     GetPeer()->MacControlUserPaneActivateProc( activating ) ;
1159 }
1160
1161 wxInt16 wxTextCtrl::MacControlUserPaneFocusProc(wxInt16 action)
1162 {
1163     return GetPeer()->MacControlUserPaneFocusProc( action ) ;
1164 }
1165
1166 void wxTextCtrl::MacControlUserPaneBackgroundProc(void* info)
1167 {
1168     GetPeer()->MacControlUserPaneBackgroundProc( info ) ;
1169 }
1170
1171 #endif
1172
1173 // ----------------------------------------------------------------------------
1174 // implementation base class
1175 // ----------------------------------------------------------------------------
1176
1177 wxMacTextControl::wxMacTextControl(wxTextCtrl* peer) :
1178     wxMacControl( peer )
1179 {
1180 }
1181
1182 wxMacTextControl::~wxMacTextControl()
1183 {
1184 }
1185
1186 void wxMacTextControl::SetStyle(long start, long end, const wxTextAttr& style)
1187 {
1188 }
1189
1190 void wxMacTextControl::Copy()
1191 {
1192 }
1193
1194 void wxMacTextControl::Cut()
1195 {
1196 }
1197
1198 void wxMacTextControl::Paste()
1199 {
1200 }
1201
1202 bool wxMacTextControl::CanPaste() const
1203 {
1204     return false ;
1205 }
1206
1207 void wxMacTextControl::SetEditable(bool editable)
1208 {
1209 }
1210
1211 wxTextPos wxMacTextControl::GetLastPosition() const
1212 {
1213     return GetStringValue().length() ;
1214 }
1215
1216 void wxMacTextControl::Replace( long from , long to , const wxString &val )
1217 {
1218     SetSelection( from , to ) ;
1219     WriteText( val ) ;
1220 }
1221
1222 void wxMacTextControl::Remove( long from , long to )
1223 {
1224     SetSelection( from , to ) ;
1225     WriteText( wxEmptyString) ;
1226 }
1227
1228 void wxMacTextControl::Clear()
1229 {
1230     SetStringValue( wxEmptyString ) ;
1231 }
1232
1233 bool wxMacTextControl::CanUndo() const
1234 {
1235     return false ;
1236 }
1237
1238 void wxMacTextControl::Undo()
1239 {
1240 }
1241
1242 bool wxMacTextControl::CanRedo()  const
1243 {
1244     return false ;
1245 }
1246
1247 void wxMacTextControl::Redo()
1248 {
1249 }
1250
1251 long wxMacTextControl::XYToPosition(long x, long y) const
1252 {
1253     return 0 ;
1254 }
1255
1256 bool wxMacTextControl::PositionToXY(long pos, long *x, long *y) const
1257 {
1258     return false ;
1259 }
1260
1261 void wxMacTextControl::ShowPosition( long WXUNUSED(pos) )
1262 {
1263 }
1264
1265 int wxMacTextControl::GetNumberOfLines() const
1266 {
1267     ItemCount lines = 0 ;
1268     wxString content = GetStringValue() ;
1269     lines = 1;
1270
1271     for (size_t i = 0; i < content.length() ; i++)
1272     {
1273         if (content[i] == '\r')
1274             lines++;
1275     }
1276
1277     return lines ;
1278 }
1279
1280 wxString wxMacTextControl::GetLineText(long lineNo) const
1281 {
1282     // TODO: change this if possible to reflect real lines
1283     wxString content = GetStringValue() ;
1284
1285     // Find line first
1286     int count = 0;
1287     for (size_t i = 0; i < content.length() ; i++)
1288     {
1289         if (count == lineNo)
1290         {
1291             // Add chars in line then
1292             wxString tmp;
1293
1294             for (size_t j = i; j < content.length(); j++)
1295             {
1296                 if (content[j] == '\n')
1297                     return tmp;
1298
1299                 tmp += content[j];
1300             }
1301
1302             return tmp;
1303         }
1304
1305         if (content[i] == '\n')
1306             count++;
1307     }
1308
1309     return wxEmptyString ;
1310 }
1311
1312 int wxMacTextControl::GetLineLength(long lineNo) const
1313 {
1314     // TODO: change this if possible to reflect real lines
1315     wxString content = GetStringValue() ;
1316
1317     // Find line first
1318     int count = 0;
1319     for (size_t i = 0; i < content.length() ; i++)
1320     {
1321         if (count == lineNo)
1322         {
1323             // Count chars in line then
1324             count = 0;
1325             for (size_t j = i; j < content.length(); j++)
1326             {
1327                 count++;
1328                 if (content[j] == '\n')
1329                     return count;
1330             }
1331
1332             return count;
1333         }
1334
1335         if (content[i] == '\n')
1336             count++;
1337     }
1338
1339     return 0 ;
1340 }
1341
1342 // ----------------------------------------------------------------------------
1343 // standard unicode control implementation
1344 // ----------------------------------------------------------------------------
1345
1346 #if TARGET_API_MAC_OSX
1347
1348 // the current unicode textcontrol implementation has a bug : only if the control
1349 // is currently having the focus, the selection can be retrieved by the corresponding
1350 // data tag. So we have a mirroring using a member variable
1351 // TODO : build event table using virtual member functions for wxMacControl
1352
1353 static const EventTypeSpec unicodeTextControlEventList[] =
1354 {
1355     { kEventClassControl , kEventControlSetFocusPart } ,
1356 } ;
1357
1358 static pascal OSStatus wxMacUnicodeTextControlControlEventHandler( EventHandlerCallRef handler , EventRef event , void *data )
1359 {
1360     OSStatus result = eventNotHandledErr ;
1361     wxMacUnicodeTextControl* focus = (wxMacUnicodeTextControl*) data ;
1362     wxMacCarbonEvent cEvent( event ) ;
1363
1364     switch ( GetEventKind( event ) )
1365     {
1366         case kEventControlSetFocusPart :
1367         {
1368             ControlPartCode controlPart = cEvent.GetParameter<ControlPartCode>(kEventParamControlPart , typeControlPartCode );
1369             if ( controlPart == kControlFocusNoPart )
1370             {
1371                 // about to loose focus -> store selection to field
1372                 focus->GetData<ControlEditTextSelectionRec>( 0, kControlEditTextSelectionTag, &focus->m_selection );
1373             }
1374             result = CallNextEventHandler(handler,event) ;
1375             if ( controlPart != kControlFocusNoPart )
1376             {
1377                 // about to gain focus -> set selection from field
1378                 focus->SetData<ControlEditTextSelectionRec>( 0, kControlEditTextSelectionTag, &focus->m_selection );
1379             }
1380             break;
1381         }
1382         default:
1383             break ;
1384     }
1385
1386     return result ;
1387 }
1388
1389 static pascal OSStatus wxMacUnicodeTextControlEventHandler( EventHandlerCallRef handler , EventRef event , void *data )
1390 {
1391     OSStatus result = eventNotHandledErr ;
1392
1393     switch ( GetEventClass( event ) )
1394     {
1395         case kEventClassControl :
1396             result = wxMacUnicodeTextControlControlEventHandler( handler , event , data ) ;
1397             break ;
1398
1399         default :
1400             break ;
1401     }
1402     return result ;
1403 }
1404
1405 DEFINE_ONE_SHOT_HANDLER_GETTER( wxMacUnicodeTextControlEventHandler )
1406
1407 wxMacUnicodeTextControl::wxMacUnicodeTextControl( wxTextCtrl *wxPeer,
1408     const wxString& str,
1409     const wxPoint& pos,
1410     const wxSize& size, long style )
1411     : wxMacTextControl( wxPeer )
1412 {
1413     m_font = wxPeer->GetFont() ;
1414     m_windowStyle = style ;
1415     Rect bounds = wxMacGetBoundsForControl( wxPeer , pos , size ) ;
1416     wxString st = str ;
1417     wxMacConvertNewlines10To13( &st ) ;
1418     wxMacCFStringHolder cf(st , m_font.GetEncoding()) ;
1419     CFStringRef cfr = cf ;
1420     Boolean isPassword = ( m_windowStyle & wxTE_PASSWORD ) != 0 ;
1421     m_valueTag = isPassword ? kControlEditTextPasswordCFStringTag : kControlEditTextCFStringTag ;
1422
1423     OSStatus err = CreateEditUnicodeTextControl(
1424         MAC_WXHWND(wxPeer->MacGetTopLevelWindowRef()), &bounds , cfr ,
1425         isPassword , NULL , &m_controlRef ) ;
1426     verify_noerr( err );
1427
1428     if ( !(m_windowStyle & wxTE_MULTILINE) )
1429         SetData<Boolean>( kControlEditTextPart , kControlEditTextSingleLineTag , true ) ;
1430
1431     InstallControlEventHandler( m_controlRef , GetwxMacUnicodeTextControlEventHandlerUPP(),
1432                                 GetEventTypeCount(unicodeTextControlEventList), unicodeTextControlEventList, this,
1433                                 &m_focusHandlerRef);
1434 }
1435
1436 wxMacUnicodeTextControl::~wxMacUnicodeTextControl()
1437 {
1438     ::RemoveEventHandler( m_focusHandlerRef );
1439 }
1440
1441 void wxMacUnicodeTextControl::VisibilityChanged(bool shown)
1442 {
1443     if ( !(m_windowStyle & wxTE_MULTILINE) && shown )
1444     {
1445         // work around a refresh issue insofar as not always the entire content is shown,
1446         // even if this would be possible
1447         ControlEditTextSelectionRec sel ;
1448         CFStringRef value = NULL ;
1449
1450         verify_noerr( GetData<ControlEditTextSelectionRec>( 0, kControlEditTextSelectionTag, &sel ) );
1451         verify_noerr( GetData<CFStringRef>( 0, m_valueTag, &value ) );
1452         verify_noerr( SetData<CFStringRef>( 0, m_valueTag, &value ) );
1453         verify_noerr( SetData<ControlEditTextSelectionRec>( 0, kControlEditTextSelectionTag, &sel ) );
1454
1455         CFRelease( value ) ;
1456     }
1457 }
1458
1459 wxString wxMacUnicodeTextControl::GetStringValue() const
1460 {
1461     wxString result ;
1462     CFStringRef value = GetData<CFStringRef>(0, m_valueTag) ;
1463     if ( value )
1464     {
1465         wxMacCFStringHolder cf(value) ;
1466         result = cf.AsString() ;
1467     }
1468
1469 #if '\n' == 10
1470     wxMacConvertNewlines13To10( &result ) ;
1471 #else
1472     wxMacConvertNewlines10To13( &result ) ;
1473 #endif
1474
1475     return result ;
1476 }
1477
1478 void wxMacUnicodeTextControl::SetStringValue( const wxString &str )
1479 {
1480     wxString st = str ;
1481     wxMacConvertNewlines10To13( &st ) ;
1482     wxMacCFStringHolder cf( st , m_font.GetEncoding() ) ;
1483     verify_noerr( SetData<CFStringRef>( 0, m_valueTag , cf ) ) ;
1484 }
1485
1486 void wxMacUnicodeTextControl::Copy()
1487 {
1488     SendHICommand( kHICommandCopy ) ;
1489 }
1490
1491 void wxMacUnicodeTextControl::Cut()
1492 {
1493     SendHICommand( kHICommandCut ) ;
1494 }
1495
1496 void wxMacUnicodeTextControl::Paste()
1497 {
1498     SendHICommand( kHICommandPaste ) ;
1499 }
1500
1501 bool wxMacUnicodeTextControl::CanPaste() const
1502 {
1503     return true ;
1504 }
1505
1506 void wxMacUnicodeTextControl::SetEditable(bool editable)
1507 {
1508 #if 0 // leads to problem because text cannot be selected anymore
1509     SetData<Boolean>( kControlEditTextPart , kControlEditTextLockedTag , (Boolean) !editable ) ;
1510 #endif
1511 }
1512
1513 void wxMacUnicodeTextControl::GetSelection( long* from, long* to ) const
1514 {
1515     ControlEditTextSelectionRec sel ;
1516     if (HasFocus())
1517         verify_noerr( GetData<ControlEditTextSelectionRec>( 0, kControlEditTextSelectionTag, &sel ) ) ;
1518     else
1519         sel = m_selection ;
1520
1521     if ( from )
1522         *from = sel.selStart ;
1523     if ( to )
1524         *to = sel.selEnd ;
1525 }
1526
1527 void wxMacUnicodeTextControl::SetSelection( long from , long to )
1528 {
1529     ControlEditTextSelectionRec sel ;
1530     wxString result ;
1531     int textLength = 0 ;
1532     CFStringRef value = GetData<CFStringRef>(0, m_valueTag) ;
1533     if ( value )
1534     {
1535         wxMacCFStringHolder cf(value) ;
1536         textLength = cf.AsString().length() ;
1537     }
1538
1539     if ((from == -1) && (to == -1))
1540     {
1541         from = 0 ;
1542         to = textLength ;
1543     }
1544     else
1545     {
1546         from = wxMin(textLength,wxMax(from,0)) ;
1547         to = wxMax(0,wxMin(textLength,to)) ;
1548     }
1549
1550     sel.selStart = from ;
1551     sel.selEnd = to ;
1552     if ( HasFocus() )
1553         SetData<ControlEditTextSelectionRec>( 0, kControlEditTextSelectionTag, &sel ) ;
1554     else
1555         m_selection = sel;
1556 }
1557
1558 void wxMacUnicodeTextControl::WriteText( const wxString& str )
1559 {
1560     wxString st = str ;
1561     wxMacConvertNewlines10To13( &st ) ;
1562
1563 #if MAC_OS_X_VERSION_MAX_ALLOWED > MAC_OS_X_VERSION_10_2
1564     if ( HasFocus() )
1565     {
1566         wxMacCFStringHolder cf(st , m_font.GetEncoding() ) ;
1567         CFStringRef value = cf ;
1568         SetData<CFStringRef>( 0, kControlEditTextInsertCFStringRefTag, &value );
1569     }
1570     else
1571 #endif
1572     {
1573         wxString val = GetStringValue() ;
1574         long start , end ;
1575         GetSelection( &start , &end ) ;
1576         val.Remove( start , end - start ) ;
1577         val.insert( start , str ) ;
1578         SetStringValue( val ) ;
1579         SetSelection( start + str.length() , start + str.length() ) ;
1580     }
1581 }
1582
1583 #endif
1584
1585 // ----------------------------------------------------------------------------
1586 // MLTE control implementation (common part)
1587 // ----------------------------------------------------------------------------
1588
1589 // if MTLE is read only, no changes at all are allowed, not even from
1590 // procedural API, in order to allow changes via API all the same we must undo
1591 // the readonly status while we are executing, this class helps to do so
1592
1593 class wxMacEditHelper
1594 {
1595 public :
1596     wxMacEditHelper( TXNObject txn )
1597     {
1598         TXNControlTag tag[] = { kTXNIOPrivilegesTag } ;
1599         m_txn = txn ;
1600         TXNGetTXNObjectControls( m_txn , 1 , tag , m_data ) ;
1601         if ( m_data[0].uValue == kTXNReadOnly )
1602         {
1603             TXNControlData data[] = { { kTXNReadWrite } } ;
1604             TXNSetTXNObjectControls( m_txn , false , 1 , tag , data ) ;
1605         }
1606     }
1607
1608     ~wxMacEditHelper()
1609     {
1610         TXNControlTag tag[] = { kTXNIOPrivilegesTag } ;
1611         if ( m_data[0].uValue == kTXNReadOnly )
1612             TXNSetTXNObjectControls( m_txn , false , 1 , tag , m_data ) ;
1613     }
1614
1615 protected :
1616     TXNObject m_txn ;
1617     TXNControlData m_data[1] ;
1618 } ;
1619
1620 wxMacMLTEControl::wxMacMLTEControl( wxTextCtrl *peer )
1621     : wxMacTextControl( peer )
1622 {
1623     SetNeedsFocusRect( true ) ;
1624 }
1625
1626 wxString wxMacMLTEControl::GetStringValue() const
1627 {
1628     wxString result ;
1629     OSStatus err ;
1630     Size actualSize = 0;
1631
1632     {
1633 #if wxUSE_UNICODE
1634         Handle theText ;
1635         err = TXNGetDataEncoded( m_txn, kTXNStartOffset, kTXNEndOffset, &theText, kTXNUnicodeTextData );
1636
1637         // all done
1638         if ( err != noErr )
1639         {
1640             actualSize = 0 ;
1641         }
1642         else
1643         {
1644             actualSize = GetHandleSize( theText ) / sizeof(UniChar) ;
1645             if ( actualSize > 0 )
1646             {
1647                 wxChar *ptr = NULL ;
1648
1649 #if SIZEOF_WCHAR_T == 2
1650                 ptr = new wxChar[actualSize + 1] ;
1651                 wxStrncpy( ptr , (wxChar*)(*theText) , actualSize ) ;
1652 #else
1653                 SetHandleSize( theText, (actualSize + 1) * sizeof(UniChar) ) ;
1654                 HLock( theText ) ;
1655                 (((UniChar*)*theText)[actualSize]) = 0 ;
1656                 wxMBConvUTF16 converter ;
1657                 size_t noChars = converter.MB2WC( NULL , (const char*)*theText , 0 ) ;
1658                 wxASSERT_MSG( noChars != wxCONV_FAILED, _T("Unable to count the number of characters in this string!") );
1659                 ptr = new wxChar[noChars + 1] ;
1660
1661                 noChars = converter.MB2WC( ptr , (const char*)*theText , noChars + 1 ) ;
1662                 wxASSERT_MSG( noChars != wxCONV_FAILED, _T("Conversion of string failed!") );
1663                 ptr[noChars] = 0 ;
1664                 HUnlock( theText ) ;
1665 #endif
1666
1667                 ptr[actualSize] = 0 ;
1668                 result = wxString( ptr ) ;
1669                 delete [] ptr ;
1670             }
1671
1672             DisposeHandle( theText ) ;
1673         }
1674 #else
1675         Handle theText ;
1676         err = TXNGetDataEncoded( m_txn , kTXNStartOffset, kTXNEndOffset, &theText, kTXNTextData );
1677
1678         // all done
1679         if ( err != noErr )
1680         {
1681             actualSize = 0 ;
1682         }
1683         else
1684         {
1685             actualSize = GetHandleSize( theText ) ;
1686             if ( actualSize > 0 )
1687             {
1688                 HLock( theText ) ;
1689                 result = wxString( *theText , wxConvLocal , actualSize ) ;
1690                 HUnlock( theText ) ;
1691             }
1692
1693             DisposeHandle( theText ) ;
1694         }
1695 #endif
1696     }
1697
1698 #if '\n' == 10
1699     wxMacConvertNewlines13To10( &result ) ;
1700 #else
1701     wxMacConvertNewlines10To13( &result ) ;
1702 #endif
1703
1704     return result ;
1705 }
1706
1707 void wxMacMLTEControl::SetStringValue( const wxString &str )
1708 {
1709     wxString st = str;
1710     wxMacConvertNewlines10To13( &st );
1711
1712     {
1713         wxMacWindowClipper c( m_peer );
1714
1715         {
1716             wxMacEditHelper help( m_txn );
1717             SetTXNData( st, kTXNStartOffset, kTXNEndOffset );
1718         }
1719
1720         TXNSetSelection( m_txn, 0, 0 );
1721         TXNShowSelection( m_txn, kTXNShowStart );
1722     }
1723 }
1724
1725 TXNFrameOptions wxMacMLTEControl::FrameOptionsFromWXStyle( long wxStyle )
1726 {
1727     TXNFrameOptions frameOptions = kTXNDontDrawCaretWhenInactiveMask;
1728
1729 #if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_3
1730     frameOptions |= kTXNDoFontSubstitutionMask;
1731 #endif
1732
1733     if ( ! (wxStyle & wxTE_NOHIDESEL) )
1734         frameOptions |= kTXNDontDrawSelectionWhenInactiveMask ;
1735
1736     if ( wxStyle & (wxHSCROLL | wxTE_DONTWRAP) )
1737         frameOptions |= kTXNWantHScrollBarMask ;
1738
1739     if ( wxStyle & wxTE_MULTILINE )
1740     {
1741         frameOptions |= kTXNAlwaysWrapAtViewEdgeMask ;
1742
1743         if ( !(wxStyle & wxTE_NO_VSCROLL) )
1744         {
1745             frameOptions |= kTXNWantVScrollBarMask ;
1746
1747             // The following code causes drawing problems on 10.4. Perhaps it can be restored for
1748             // older versions of the OS, but I'm not sure it's appropriate to put a grow icon here
1749             // anyways, as AFAIK users can't actually use it to resize the text ctrl.
1750 //            if ( frameOptions & kTXNWantHScrollBarMask )
1751 //                frameOptions |= kTXNDrawGrowIconMask ;
1752         }
1753     }
1754     else
1755     {
1756         frameOptions |= kTXNSingleLineOnlyMask ;
1757     }
1758
1759     return frameOptions ;
1760 }
1761
1762 void wxMacMLTEControl::AdjustCreationAttributes( const wxColour &background, bool visible )
1763 {
1764     TXNControlTag iControlTags[] =
1765         {
1766             kTXNDoFontSubstitution,
1767             kTXNWordWrapStateTag ,
1768         };
1769     TXNControlData iControlData[] =
1770         {
1771             { true },
1772             { kTXNNoAutoWrap },
1773         };
1774
1775     int toptag = WXSIZEOF( iControlTags ) ;
1776
1777     if ( m_windowStyle & wxTE_MULTILINE )
1778     {
1779         iControlData[1].uValue =
1780             (m_windowStyle & wxTE_DONTWRAP)
1781             ? kTXNNoAutoWrap
1782             : kTXNAutoWrap;
1783     }
1784
1785     OSStatus err = TXNSetTXNObjectControls( m_txn, false, toptag, iControlTags, iControlData ) ;
1786     verify_noerr( err );
1787
1788     // setting the default font:
1789     // under 10.2 this causes a visible caret, therefore we avoid it
1790
1791     if ( UMAGetSystemVersion() >= 0x1030 )
1792     {
1793         Str255 fontName ;
1794         SInt16 fontSize ;
1795         Style fontStyle ;
1796
1797         GetThemeFont( kThemeSystemFont , GetApplicationScript() , fontName , &fontSize , &fontStyle ) ;
1798
1799         TXNTypeAttributes typeAttr[] =
1800         {
1801             { kTXNQDFontNameAttribute , kTXNQDFontNameAttributeSize , { (void*) fontName } } ,
1802             { kTXNQDFontSizeAttribute , kTXNFontSizeAttributeSize , { (void*) (fontSize << 16) } } ,
1803             { kTXNQDFontStyleAttribute , kTXNQDFontStyleAttributeSize , { (void*) normal } } ,
1804         } ;
1805
1806         err = TXNSetTypeAttributes(
1807             m_txn, sizeof(typeAttr) / sizeof(TXNTypeAttributes),
1808             typeAttr, kTXNStartOffset, kTXNEndOffset );
1809         verify_noerr( err );
1810     }
1811
1812     if ( m_windowStyle & wxTE_PASSWORD )
1813     {
1814         UniChar c = 0x00A5 ;
1815         err = TXNEchoMode( m_txn , c , 0 , true );
1816         verify_noerr( err );
1817     }
1818
1819     TXNBackground tback;
1820     tback.bgType = kTXNBackgroundTypeRGB;
1821     tback.bg.color = MAC_WXCOLORREF( background.GetPixel() );
1822     TXNSetBackground( m_txn , &tback );
1823
1824 #if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_4
1825     if ( UMAGetSystemVersion() >= 0x1040 )
1826     {
1827         TXNCommandEventSupportOptions options ;
1828         if ( TXNGetCommandEventSupport( m_txn, &options ) == noErr )
1829         {
1830             options |=
1831                 kTXNSupportEditCommandProcessing
1832                 | kTXNSupportEditCommandUpdating
1833                 | kTXNSupportSpellCheckCommandProcessing
1834                 | kTXNSupportSpellCheckCommandUpdating
1835                 | kTXNSupportFontCommandProcessing
1836                 | kTXNSupportFontCommandUpdating;
1837
1838             TXNSetCommandEventSupport( m_txn , options ) ;
1839         }
1840     }
1841 #endif
1842 }
1843
1844 void wxMacMLTEControl::SetBackground( const wxBrush &brush )
1845 {
1846     // currently only solid background are supported
1847     TXNBackground tback;
1848
1849     tback.bgType = kTXNBackgroundTypeRGB;
1850     tback.bg.color = MAC_WXCOLORREF( brush.GetColour().GetPixel() );
1851     TXNSetBackground( m_txn , &tback );
1852 }
1853
1854 void wxMacMLTEControl::TXNSetAttribute( const wxTextAttr& style , long from , long to )
1855 {
1856     TXNTypeAttributes typeAttr[4] ;
1857     RGBColor color ;
1858     int attrCount = 0 ;
1859
1860     if ( style.HasFont() )
1861     {
1862         const wxFont &font = style.GetFont() ;
1863
1864 #if 0 // old version
1865         Str255 fontName = "\pMonaco" ;
1866         SInt16 fontSize = 12 ;
1867         Style fontStyle = normal ;
1868         wxMacStringToPascal( font.GetFaceName() , fontName ) ;
1869         fontSize = font.GetPointSize() ;
1870         if ( font.GetUnderlined() )
1871             fontStyle |= underline ;
1872         if ( font.GetWeight() == wxBOLD )
1873             fontStyle |= bold ;
1874         if ( font.GetStyle() == wxITALIC )
1875             fontStyle |= italic ;
1876
1877         typeAttr[attrCount].tag = kTXNQDFontNameAttribute ;
1878         typeAttr[attrCount].size = kTXNQDFontNameAttributeSize ;
1879         typeAttr[attrCount].data.dataPtr = (void*)fontName ;
1880         attrCount++ ;
1881
1882         typeAttr[attrCount].tag = kTXNQDFontSizeAttribute ;
1883         typeAttr[attrCount].size = kTXNFontSizeAttributeSize ;
1884         typeAttr[attrCount].data.dataValue = (fontSize << 16) ;
1885         attrCount++ ;
1886
1887         typeAttr[attrCount].tag = kTXNQDFontStyleAttribute ;
1888         typeAttr[attrCount].size = kTXNQDFontStyleAttributeSize ;
1889         typeAttr[attrCount].data.dataValue = fontStyle ;
1890         attrCount++ ;
1891 #else
1892         typeAttr[attrCount].tag = kTXNATSUIStyle ;
1893         typeAttr[attrCount].size = kTXNATSUIStyleSize ;
1894         typeAttr[attrCount].data.dataValue = (UInt32)font.MacGetATSUStyle() ;
1895         attrCount++ ;
1896 #endif
1897     }
1898
1899     if ( style.HasTextColour() )
1900     {
1901         color = MAC_WXCOLORREF(style.GetTextColour().GetPixel()) ;
1902
1903         typeAttr[attrCount].tag = kTXNQDFontColorAttribute ;
1904         typeAttr[attrCount].size = kTXNQDFontColorAttributeSize ;
1905         typeAttr[attrCount].data.dataPtr = (void*) &color ;
1906         attrCount++ ;
1907     }
1908
1909     if ( attrCount > 0 )
1910     {
1911         verify_noerr( TXNSetTypeAttributes( m_txn , attrCount , typeAttr, from , to ) );
1912         // unfortunately the relayout is not automatic
1913         TXNRecalcTextLayout( m_txn );
1914     }
1915 }
1916
1917 void wxMacMLTEControl::SetFont( const wxFont & font , const wxColour& foreground , long windowStyle )
1918 {
1919     wxMacEditHelper help( m_txn ) ;
1920     TXNSetAttribute( wxTextAttr( foreground, wxNullColour, font ), kTXNStartOffset, kTXNEndOffset ) ;
1921 }
1922
1923 void wxMacMLTEControl::SetStyle( long start, long end, const wxTextAttr& style )
1924 {
1925     wxMacEditHelper help( m_txn ) ;
1926     TXNSetAttribute( style, start, end ) ;
1927 }
1928
1929 void wxMacMLTEControl::Copy()
1930 {
1931     ClearCurrentScrap();
1932     TXNCopy( m_txn );
1933     TXNConvertToPublicScrap();
1934 }
1935
1936 void wxMacMLTEControl::Cut()
1937 {
1938     ClearCurrentScrap();
1939     TXNCut( m_txn );
1940     TXNConvertToPublicScrap();
1941 }
1942
1943 void wxMacMLTEControl::Paste()
1944 {
1945     TXNConvertFromPublicScrap();
1946     TXNPaste( m_txn );
1947 }
1948
1949 bool wxMacMLTEControl::CanPaste() const
1950 {
1951     return TXNIsScrapPastable() ;
1952 }
1953
1954 void wxMacMLTEControl::SetEditable(bool editable)
1955 {
1956     TXNControlTag tag[] = { kTXNIOPrivilegesTag } ;
1957     TXNControlData data[] = { { editable ? kTXNReadWrite : kTXNReadOnly } } ;
1958     TXNSetTXNObjectControls( m_txn, false, WXSIZEOF(tag), tag, data ) ;
1959 }
1960
1961 wxTextPos wxMacMLTEControl::GetLastPosition() const
1962 {
1963     wxTextPos actualsize = 0 ;
1964
1965     Handle theText ;
1966     OSErr err = TXNGetDataEncoded( m_txn, kTXNStartOffset, kTXNEndOffset, &theText, kTXNTextData );
1967
1968     // all done
1969     if ( err == noErr )
1970     {
1971         actualsize = GetHandleSize( theText ) ;
1972         DisposeHandle( theText ) ;
1973     }
1974     else
1975     {
1976         actualsize = 0 ;
1977     }
1978
1979     return actualsize ;
1980 }
1981
1982 void wxMacMLTEControl::Replace( long from , long to , const wxString &str )
1983 {
1984     wxString value = str ;
1985     wxMacConvertNewlines10To13( &value ) ;
1986
1987     wxMacEditHelper help( m_txn ) ;
1988     wxMacWindowClipper c( m_peer ) ;
1989
1990     TXNSetSelection( m_txn, from, to ) ;
1991     TXNClear( m_txn ) ;
1992     SetTXNData( value, kTXNUseCurrentSelection, kTXNUseCurrentSelection ) ;
1993 }
1994
1995 void wxMacMLTEControl::Remove( long from , long to )
1996 {
1997     wxMacWindowClipper c( m_peer ) ;
1998     wxMacEditHelper help( m_txn ) ;
1999     TXNSetSelection( m_txn , from , to ) ;
2000     TXNClear( m_txn ) ;
2001 }
2002
2003 void wxMacMLTEControl::GetSelection( long* from, long* to) const
2004 {
2005     TXNGetSelection( m_txn , (TXNOffset*) from , (TXNOffset*) to ) ;
2006 }
2007
2008 void wxMacMLTEControl::SetSelection( long from , long to )
2009 {
2010     wxMacWindowClipper c( m_peer ) ;
2011
2012     // change the selection
2013     if ((from == -1) && (to == -1))
2014         TXNSelectAll( m_txn );
2015     else
2016         TXNSetSelection( m_txn, from, to );
2017
2018     TXNShowSelection( m_txn, kTXNShowStart );
2019 }
2020
2021 void wxMacMLTEControl::WriteText( const wxString& str )
2022 {
2023     wxString st = str ;
2024     wxMacConvertNewlines10To13( &st ) ;
2025
2026     long start , end , dummy ;
2027
2028     GetSelection( &start , &dummy ) ;
2029     wxMacWindowClipper c( m_peer ) ;
2030
2031     {
2032         wxMacEditHelper helper( m_txn ) ;
2033         SetTXNData( st, kTXNUseCurrentSelection, kTXNUseCurrentSelection ) ;
2034     }
2035
2036     GetSelection( &dummy, &end ) ;
2037
2038     // TODO: SetStyle( start , end , GetDefaultStyle() ) ;
2039 }
2040
2041 void wxMacMLTEControl::Clear()
2042 {
2043     wxMacWindowClipper c( m_peer ) ;
2044     wxMacEditHelper st( m_txn ) ;
2045     TXNSetSelection( m_txn , kTXNStartOffset , kTXNEndOffset ) ;
2046     TXNClear( m_txn ) ;
2047 }
2048
2049 bool wxMacMLTEControl::CanUndo() const
2050 {
2051     return TXNCanUndo( m_txn , NULL ) ;
2052 }
2053
2054 void wxMacMLTEControl::Undo()
2055 {
2056     TXNUndo( m_txn ) ;
2057 }
2058
2059 bool wxMacMLTEControl::CanRedo() const
2060 {
2061     return TXNCanRedo( m_txn , NULL ) ;
2062 }
2063
2064 void wxMacMLTEControl::Redo()
2065 {
2066     TXNRedo( m_txn ) ;
2067 }
2068
2069 int wxMacMLTEControl::GetNumberOfLines() const
2070 {
2071     ItemCount lines = 0 ;
2072     TXNGetLineCount( m_txn, &lines ) ;
2073
2074     return lines ;
2075 }
2076
2077 long wxMacMLTEControl::XYToPosition(long x, long y) const
2078 {
2079     Point curpt ;
2080     wxTextPos lastpos ;
2081
2082     // TODO: find a better implementation : while we can get the
2083     // line metrics of a certain line, we don't get its starting
2084     // position, so it would probably be rather a binary search
2085     // for the start position
2086     long xpos = 0, ypos = 0 ;
2087     int lastHeight = 0 ;
2088     ItemCount n ;
2089
2090     lastpos = GetLastPosition() ;
2091     for ( n = 0 ; n <= (ItemCount) lastpos ; ++n )
2092     {
2093         if ( y == ypos && x == xpos )
2094             return n ;
2095
2096         TXNOffsetToPoint( m_txn, n, &curpt ) ;
2097
2098         if ( curpt.v > lastHeight )
2099         {
2100             xpos = 0 ;
2101             if ( n > 0 )
2102                 ++ypos ;
2103
2104             lastHeight = curpt.v ;
2105         }
2106         else
2107             ++xpos ;
2108     }
2109
2110     return 0 ;
2111 }
2112
2113 bool wxMacMLTEControl::PositionToXY( long pos, long *x, long *y ) const
2114 {
2115     Point curpt ;
2116     wxTextPos lastpos ;
2117
2118     if ( y )
2119         *y = 0 ;
2120     if ( x )
2121         *x = 0 ;
2122
2123     lastpos = GetLastPosition() ;
2124     if ( pos <= lastpos )
2125     {
2126         // TODO: find a better implementation - while we can get the
2127         // line metrics of a certain line, we don't get its starting
2128         // position, so it would probably be rather a binary search
2129         // for the start position
2130         long xpos = 0, ypos = 0 ;
2131         int lastHeight = 0 ;
2132         ItemCount n ;
2133
2134         for ( n = 0 ; n <= (ItemCount) pos ; ++n )
2135         {
2136             TXNOffsetToPoint( m_txn, n, &curpt ) ;
2137
2138             if ( curpt.v > lastHeight )
2139             {
2140                 xpos = 0 ;
2141                 if ( n > 0 )
2142                     ++ypos ;
2143
2144                 lastHeight = curpt.v ;
2145             }
2146             else
2147                 ++xpos ;
2148         }
2149
2150         if ( y )
2151             *y = ypos ;
2152         if ( x )
2153             *x = xpos ;
2154     }
2155
2156     return false ;
2157 }
2158
2159 void wxMacMLTEControl::ShowPosition( long pos )
2160 {
2161 #if TARGET_RT_MAC_MACHO && defined(AVAILABLE_MAC_OS_X_VERSION_10_2_AND_LATER)
2162     {
2163         Point current, desired ;
2164         TXNOffset selstart, selend;
2165
2166         TXNGetSelection( m_txn, &selstart, &selend );
2167         TXNOffsetToPoint( m_txn, selstart, &current );
2168         TXNOffsetToPoint( m_txn, pos, &desired );
2169
2170         // TODO: use HIPoints for 10.3 and above
2171         if ( (UInt32)TXNScroll != (UInt32)kUnresolvedCFragSymbolAddress )
2172         {
2173             OSErr theErr = noErr;
2174             SInt32 dv = desired.v - current.v;
2175             SInt32 dh = desired.h - current.h;
2176             TXNShowSelection( m_txn, kTXNShowStart ) ; // NB: should this be kTXNShowStart or kTXNShowEnd ??
2177             theErr = TXNScroll( m_txn, kTXNScrollUnitsInPixels, kTXNScrollUnitsInPixels, &dv, &dh );
2178
2179             // there will be an error returned for classic MLTE implementation when the control is
2180             // invisible, but HITextView works correctly, so we don't assert that one
2181             // wxASSERT_MSG( theErr == noErr, _T("TXNScroll returned an error!") );
2182         }
2183     }
2184 #endif
2185 }
2186
2187 void wxMacMLTEControl::SetTXNData( const wxString& st, TXNOffset start, TXNOffset end )
2188 {
2189 #if wxUSE_UNICODE
2190 #if SIZEOF_WCHAR_T == 2
2191     size_t len = st.length() ;
2192     TXNSetData( m_txn, kTXNUnicodeTextData, (void*)st.wc_str(), len * 2, start, end );
2193 #else
2194     wxMBConvUTF16 converter ;
2195     ByteCount byteBufferLen = converter.WC2MB( NULL, st.wc_str(), 0 ) ;
2196     UniChar *unibuf = (UniChar*)malloc( byteBufferLen ) ;
2197     converter.WC2MB( (char*)unibuf, st.wc_str(), byteBufferLen ) ;
2198     TXNSetData( m_txn, kTXNUnicodeTextData, (void*)unibuf, byteBufferLen, start, end ) ;
2199     free( unibuf ) ;
2200 #endif
2201 #else
2202     wxCharBuffer text = st.mb_str( wxConvLocal ) ;
2203     TXNSetData( m_txn, kTXNTextData, (void*)text.data(), strlen( text ), start, end ) ;
2204 #endif
2205 }
2206
2207 wxString wxMacMLTEControl::GetLineText(long lineNo) const
2208 {
2209     wxString line ;
2210
2211     if ( lineNo < GetNumberOfLines() )
2212     {
2213         Point firstPoint;
2214         Fixed lineWidth, lineHeight, currentHeight;
2215         long ypos ;
2216
2217         // get the first possible position in the control
2218         TXNOffsetToPoint(m_txn, 0, &firstPoint);
2219
2220         // Iterate through the lines until we reach the one we want,
2221         // adding to our current y pixel point position
2222         ypos = 0 ;
2223         currentHeight = 0;
2224         while (ypos < lineNo)
2225         {
2226             TXNGetLineMetrics(m_txn, ypos++, &lineWidth, &lineHeight);
2227             currentHeight += lineHeight;
2228         }
2229
2230         Point thePoint = { firstPoint.v + (currentHeight >> 16), firstPoint.h + (0) };
2231         TXNOffset theOffset;
2232         TXNPointToOffset(m_txn, thePoint, &theOffset);
2233
2234         wxString content = GetStringValue() ;
2235         Point currentPoint = thePoint;
2236         while (thePoint.v == currentPoint.v && theOffset < content.length())
2237         {
2238             line += content[theOffset];
2239             TXNOffsetToPoint(m_txn, ++theOffset, &currentPoint);
2240         }
2241     }
2242
2243     return line ;
2244 }
2245
2246 int wxMacMLTEControl::GetLineLength(long lineNo) const
2247 {
2248     int theLength = 0;
2249
2250     if ( lineNo < GetNumberOfLines() )
2251     {
2252         Point firstPoint;
2253         Fixed lineWidth, lineHeight, currentHeight;
2254         long ypos;
2255
2256         // get the first possible position in the control
2257         TXNOffsetToPoint(m_txn, 0, &firstPoint);
2258
2259         // Iterate through the lines until we reach the one we want,
2260         // adding to our current y pixel point position
2261         ypos = 0;
2262         currentHeight = 0;
2263         while (ypos < lineNo)
2264         {
2265             TXNGetLineMetrics(m_txn, ypos++, &lineWidth, &lineHeight);
2266             currentHeight += lineHeight;
2267         }
2268
2269         Point thePoint = { firstPoint.v + (currentHeight >> 16), firstPoint.h + (0) };
2270         TXNOffset theOffset;
2271         TXNPointToOffset(m_txn, thePoint, &theOffset);
2272
2273         wxString content = GetStringValue() ;
2274         Point currentPoint = thePoint;
2275         while (thePoint.v == currentPoint.v && theOffset < content.length())
2276         {
2277             ++theLength;
2278             TXNOffsetToPoint(m_txn, ++theOffset, &currentPoint);
2279         }
2280     }
2281
2282     return theLength ;
2283 }
2284
2285 // ----------------------------------------------------------------------------
2286 // MLTE control implementation (classic part)
2287 // ----------------------------------------------------------------------------
2288
2289 // OS X Notes : We still don't have a full replacement for MLTE, so this implementation
2290 // has to live on. We have different problems coming from outdated implementations on the
2291 // various OS X versions. Most deal with the scrollbars: they are not correctly embedded
2292 // while this can be solved on 10.3 by reassigning them the correct place, on 10.2 there is
2293 // no way out, therefore we are using our own implementation and our own scrollbars ....
2294
2295 #ifdef __WXMAC_OSX__
2296
2297 TXNScrollInfoUPP gTXNScrollInfoProc = NULL ;
2298 ControlActionUPP gTXNScrollActionProc = NULL ;
2299
2300 pascal void wxMacMLTEClassicControl::TXNScrollInfoProc(
2301     SInt32 iValue, SInt32 iMaximumValue,
2302     TXNScrollBarOrientation iScrollBarOrientation, SInt32 iRefCon )
2303 {
2304     wxMacMLTEClassicControl* mlte = (wxMacMLTEClassicControl*) iRefCon ;
2305     SInt32 value =  wxMax( iValue , 0 ) ;
2306     SInt32 maximum = wxMax( iMaximumValue , 0 ) ;
2307
2308     if ( iScrollBarOrientation == kTXNHorizontal )
2309     {
2310         if ( mlte->m_sbHorizontal )
2311         {
2312             SetControl32BitValue( mlte->m_sbHorizontal , value ) ;
2313             SetControl32BitMaximum( mlte->m_sbHorizontal , maximum ) ;
2314             mlte->m_lastHorizontalValue = value ;
2315         }
2316     }
2317     else if ( iScrollBarOrientation == kTXNVertical )
2318     {
2319         if ( mlte->m_sbVertical )
2320         {
2321             SetControl32BitValue( mlte->m_sbVertical , value ) ;
2322             SetControl32BitMaximum( mlte->m_sbVertical , maximum ) ;
2323             mlte->m_lastVerticalValue = value ;
2324         }
2325     }
2326 }
2327
2328 pascal void wxMacMLTEClassicControl::TXNScrollActionProc( ControlRef controlRef , ControlPartCode partCode )
2329 {
2330     wxMacMLTEClassicControl* mlte = (wxMacMLTEClassicControl*) GetControlReference( controlRef ) ;
2331     if ( mlte == NULL )
2332         return ;
2333
2334     if ( controlRef != mlte->m_sbVertical && controlRef != mlte->m_sbHorizontal )
2335         return ;
2336
2337     OSStatus err ;
2338     bool isHorizontal = ( controlRef == mlte->m_sbHorizontal ) ;
2339
2340     SInt32 minimum = 0 ;
2341     SInt32 maximum = GetControl32BitMaximum( controlRef ) ;
2342     SInt32 value = GetControl32BitValue( controlRef ) ;
2343     SInt32 delta = 0;
2344
2345     switch ( partCode )
2346     {
2347         case kControlDownButtonPart :
2348             delta = 10 ;
2349             break ;
2350
2351         case kControlUpButtonPart :
2352             delta = -10 ;
2353             break ;
2354
2355         case kControlPageDownPart :
2356             delta = GetControlViewSize( controlRef ) ;
2357             break ;
2358
2359         case kControlPageUpPart :
2360             delta = -GetControlViewSize( controlRef ) ;
2361             break ;
2362
2363         case kControlIndicatorPart :
2364             delta = value - (isHorizontal ? mlte->m_lastHorizontalValue : mlte->m_lastVerticalValue) ;
2365             break ;
2366
2367         default :
2368             break ;
2369     }
2370
2371     if ( delta != 0 )
2372     {
2373         SInt32 newValue = value ;
2374
2375         if ( partCode != kControlIndicatorPart )
2376         {
2377             if ( value + delta < minimum )
2378                 delta = minimum - value ;
2379             if ( value + delta > maximum )
2380                 delta = maximum - value ;
2381
2382             SetControl32BitValue( controlRef , value + delta ) ;
2383             newValue = value + delta ;
2384         }
2385
2386         SInt32 verticalDelta = isHorizontal ? 0 : delta ;
2387         SInt32 horizontalDelta = isHorizontal ? delta : 0 ;
2388
2389         err = TXNScroll(
2390             mlte->m_txn, kTXNScrollUnitsInPixels, kTXNScrollUnitsInPixels,
2391             &verticalDelta, &horizontalDelta );
2392         verify_noerr( err );
2393
2394         if ( isHorizontal )
2395             mlte->m_lastHorizontalValue = newValue ;
2396         else
2397             mlte->m_lastVerticalValue = newValue ;
2398     }
2399 }
2400 #endif
2401
2402 // make correct activations
2403 void wxMacMLTEClassicControl::MacActivatePaneText(bool setActive)
2404 {
2405     wxTextCtrl* textctrl = (wxTextCtrl*) GetControlReference(m_controlRef);
2406
2407     wxMacWindowClipper clipper( textctrl ) ;
2408     TXNActivate( m_txn, m_txnFrameID, setActive );
2409
2410     ControlRef controlFocus = 0 ;
2411     GetKeyboardFocus( m_txnWindow , &controlFocus ) ;
2412     if ( controlFocus == m_controlRef )
2413         TXNFocus( m_txn, setActive );
2414 }
2415
2416 void wxMacMLTEClassicControl::MacFocusPaneText(bool setFocus)
2417 {
2418     TXNFocus( m_txn, setFocus );
2419 }
2420
2421 // guards against inappropriate redraw (hidden objects drawing onto window)
2422
2423 void wxMacMLTEClassicControl::MacSetObjectVisibility(bool vis)
2424 {
2425     ControlRef controlFocus = 0 ;
2426     GetKeyboardFocus( m_txnWindow , &controlFocus ) ;
2427
2428     if ( !vis && (controlFocus == m_controlRef ) )
2429         SetKeyboardFocus( m_txnWindow , m_controlRef , kControlFocusNoPart ) ;
2430
2431     TXNControlTag iControlTags[1] = { kTXNVisibilityTag };
2432     TXNControlData iControlData[1] = { { (UInt32)false } };
2433
2434     verify_noerr( TXNGetTXNObjectControls( m_txn , 1, iControlTags, iControlData ) ) ;
2435
2436     if ( iControlData[0].uValue != vis )
2437     {
2438         iControlData[0].uValue = vis ;
2439         verify_noerr( TXNSetTXNObjectControls( m_txn, false , 1, iControlTags, iControlData ) ) ;
2440     }
2441
2442     // currently, we always clip as partial visibility (overlapped) visibility is also a problem,
2443     // if we run into further problems we might set the FrameBounds to an empty rect here
2444 }
2445
2446 // make sure that the TXNObject is at the right position
2447
2448 void wxMacMLTEClassicControl::MacUpdatePosition()
2449 {
2450     wxTextCtrl* textctrl = (wxTextCtrl*)GetControlReference( m_controlRef );
2451     if ( textctrl == NULL )
2452         return ;
2453
2454     Rect bounds ;
2455     UMAGetControlBoundsInWindowCoords( m_controlRef, &bounds );
2456
2457     wxRect visRect = textctrl->MacGetClippedClientRect() ;
2458     Rect visBounds = { visRect.y , visRect.x , visRect.y + visRect.height , visRect.x + visRect.width } ;
2459     int x , y ;
2460     x = y = 0 ;
2461     textctrl->MacWindowToRootWindow( &x , &y ) ;
2462     OffsetRect( &visBounds , x , y ) ;
2463
2464     if ( !EqualRect( &bounds, &m_txnControlBounds ) || !EqualRect( &visBounds, &m_txnVisBounds ) )
2465     {
2466         m_txnControlBounds = bounds ;
2467         m_txnVisBounds = visBounds ;
2468         wxMacWindowClipper cl( textctrl ) ;
2469
2470 #ifdef __WXMAC_OSX__
2471         if ( m_sbHorizontal || m_sbVertical )
2472         {
2473             int w = bounds.right - bounds.left ;
2474             int h = bounds.bottom - bounds.top ;
2475
2476             if ( m_sbHorizontal )
2477             {
2478                 Rect sbBounds ;
2479
2480                 sbBounds.left = -1 ;
2481                 sbBounds.top = h - 14 ;
2482                 sbBounds.right = w + 1 ;
2483                 sbBounds.bottom = h + 1 ;
2484
2485                 SetControlBounds( m_sbHorizontal , &sbBounds ) ;
2486                 SetControlViewSize( m_sbHorizontal , w ) ;
2487             }
2488
2489             if ( m_sbVertical )
2490             {
2491                 Rect sbBounds ;
2492
2493                 sbBounds.left = w - 14 ;
2494                 sbBounds.top = -1 ;
2495                 sbBounds.right = w + 1 ;
2496                 sbBounds.bottom = m_sbHorizontal ? h - 14 : h + 1 ;
2497
2498                 SetControlBounds( m_sbVertical , &sbBounds ) ;
2499                 SetControlViewSize( m_sbVertical , h ) ;
2500             }
2501         }
2502
2503         Rect oldviewRect ;
2504         TXNLongRect olddestRect ;
2505         TXNGetRectBounds( m_txn , &oldviewRect , &olddestRect , NULL ) ;
2506
2507         Rect viewRect = { m_txnControlBounds.top, m_txnControlBounds.left,
2508             m_txnControlBounds.bottom - ( m_sbHorizontal ? 14 : 0 ) ,
2509             m_txnControlBounds.right - ( m_sbVertical ? 14 : 0 ) } ;
2510         TXNLongRect destRect = { m_txnControlBounds.top, m_txnControlBounds.left,
2511             m_txnControlBounds.bottom - ( m_sbHorizontal ? 14 : 0 ) ,
2512             m_txnControlBounds.right - ( m_sbVertical ? 14 : 0 ) } ;
2513
2514         if ( olddestRect.right >= 10000 )
2515             destRect.right = destRect.left + 32000 ;
2516
2517         if ( olddestRect.bottom >= 0x20000000 )
2518             destRect.bottom = destRect.top + 0x40000000 ;
2519
2520         SectRect( &viewRect , &visBounds , &viewRect ) ;
2521         TXNSetRectBounds( m_txn , &viewRect , &destRect , true ) ;
2522
2523 #if 0
2524         TXNSetFrameBounds(
2525             m_txn,
2526             m_txnControlBounds.top,
2527             m_txnControlBounds.left,
2528             m_txnControlBounds.bottom - (m_sbHorizontal ? 14 : 0),
2529             m_txnControlBounds.right - (m_sbVertical ? 14 : 0),
2530             m_txnFrameID );
2531 #endif
2532 #else
2533
2534         TXNSetFrameBounds(
2535             m_txn, m_txnControlBounds.top, m_txnControlBounds.left,
2536             wxMax( m_txnControlBounds.bottom, m_txnControlBounds.top ),
2537             wxMax( m_txnControlBounds.right, m_txnControlBounds.left ), m_txnFrameID );
2538 #endif
2539
2540         // the SetFrameBounds method under Classic sometimes does not correctly scroll a selection into sight after a
2541         // movement, therefore we have to force it
2542
2543         // this problem has been reported in OSX as well, so we use this here once again
2544
2545         TXNLongRect textRect ;
2546         TXNGetRectBounds( m_txn , NULL , NULL , &textRect ) ;
2547         if ( textRect.left < m_txnControlBounds.left )
2548             TXNShowSelection( m_txn , kTXNShowStart ) ;
2549     }
2550 }
2551
2552 void wxMacMLTEClassicControl::SetRect( Rect *r )
2553 {
2554     wxMacControl::SetRect( r ) ;
2555     MacUpdatePosition() ;
2556 }
2557
2558 void wxMacMLTEClassicControl::MacControlUserPaneDrawProc(wxInt16 thePart)
2559 {
2560     wxTextCtrl* textctrl = (wxTextCtrl*)GetControlReference( m_controlRef );
2561     if ( textctrl == NULL )
2562         return ;
2563
2564     if ( textctrl->MacIsReallyShown() )
2565     {
2566         wxMacWindowClipper clipper( textctrl ) ;
2567         TXNDraw( m_txn , NULL ) ;
2568     }
2569 }
2570
2571 wxInt16 wxMacMLTEClassicControl::MacControlUserPaneHitTestProc(wxInt16 x, wxInt16 y)
2572 {
2573     Point where = { y , x } ;
2574     ControlPartCode result = kControlNoPart;
2575
2576     wxTextCtrl* textctrl = (wxTextCtrl*) GetControlReference( m_controlRef );
2577     if ( (textctrl != NULL) && textctrl->MacIsReallyShown() )
2578     {
2579         if (PtInRect( where, &m_txnControlBounds ))
2580         {
2581             result = kControlEditTextPart ;
2582         }
2583         else
2584         {
2585             // sometimes we get the coords also in control local coordinates, therefore test again
2586             int x = 0 , y = 0 ;
2587             textctrl->MacClientToRootWindow( &x , &y ) ;
2588             where.h += x ;
2589             where.v += y ;
2590
2591             if (PtInRect( where, &m_txnControlBounds ))
2592                 result = kControlEditTextPart ;
2593         }
2594     }
2595
2596     return result;
2597 }
2598
2599 wxInt16 wxMacMLTEClassicControl::MacControlUserPaneTrackingProc( wxInt16 x, wxInt16 y, void* actionProc )
2600 {
2601     ControlPartCode result = kControlNoPart;
2602
2603     wxTextCtrl* textctrl = (wxTextCtrl*) GetControlReference( m_controlRef );
2604     if ( (textctrl != NULL) && textctrl->MacIsReallyShown() )
2605     {
2606         Point startPt = { y , x } ;
2607
2608         // for compositing, we must convert these into toplevel window coordinates, because hittesting expects them
2609         int x = 0 , y = 0 ;
2610         textctrl->MacClientToRootWindow( &x , &y ) ;
2611         startPt.h += x ;
2612         startPt.v += y ;
2613
2614         switch (MacControlUserPaneHitTestProc( startPt.h , startPt.v ))
2615         {
2616             case kControlEditTextPart :
2617             {
2618                 wxMacWindowClipper clipper( textctrl ) ;
2619                 EventRecord rec ;
2620
2621                 ConvertEventRefToEventRecord( (EventRef) wxTheApp->MacGetCurrentEvent() , &rec ) ;
2622                 TXNClick( m_txn, &rec );
2623             }
2624                 break;
2625
2626             default :
2627                 break;
2628         }
2629     }
2630
2631     return result;
2632 }
2633
2634 void wxMacMLTEClassicControl::MacControlUserPaneIdleProc()
2635 {
2636     wxTextCtrl* textctrl = (wxTextCtrl*)GetControlReference( m_controlRef );
2637     if ( textctrl == NULL )
2638         return ;
2639
2640     if (textctrl->MacIsReallyShown())
2641     {
2642         if (IsControlActive(m_controlRef))
2643         {
2644             Point mousep;
2645
2646             wxMacWindowClipper clipper( textctrl ) ;
2647             GetMouse(&mousep);
2648
2649             TXNIdle(m_txn);
2650
2651             if (PtInRect(mousep, &m_txnControlBounds))
2652             {
2653                 RgnHandle theRgn = NewRgn();
2654                 RectRgn(theRgn, &m_txnControlBounds);
2655                 TXNAdjustCursor(m_txn, theRgn);
2656                 DisposeRgn(theRgn);
2657             }
2658         }
2659     }
2660 }
2661
2662 wxInt16 wxMacMLTEClassicControl::MacControlUserPaneKeyDownProc (wxInt16 keyCode, wxInt16 charCode, wxInt16 modifiers)
2663 {
2664     wxTextCtrl* textctrl = (wxTextCtrl*)GetControlReference( m_controlRef );
2665     if ( textctrl == NULL )
2666         return kControlNoPart;
2667
2668     wxMacWindowClipper clipper( textctrl ) ;
2669
2670     EventRecord ev ;
2671     memset( &ev , 0 , sizeof( ev ) ) ;
2672     ev.what = keyDown ;
2673     ev.modifiers = modifiers ;
2674     ev.message = ((keyCode << 8) & keyCodeMask) | (charCode & charCodeMask);
2675     TXNKeyDown( m_txn , &ev );
2676
2677     return kControlEntireControl;
2678 }
2679
2680 void wxMacMLTEClassicControl::MacControlUserPaneActivateProc(bool activating)
2681 {
2682     MacActivatePaneText( activating );
2683 }
2684
2685 wxInt16 wxMacMLTEClassicControl::MacControlUserPaneFocusProc(wxInt16 action)
2686 {
2687     ControlPartCode focusResult = kControlFocusNoPart;
2688
2689     wxTextCtrl* textctrl = (wxTextCtrl*)GetControlReference( m_controlRef );
2690     if ( textctrl == NULL )
2691         return focusResult;
2692
2693     wxMacWindowClipper clipper( textctrl ) ;
2694
2695     ControlRef controlFocus = NULL ;
2696     GetKeyboardFocus( m_txnWindow , &controlFocus ) ;
2697     bool wasFocused = ( controlFocus == m_controlRef ) ;
2698
2699     switch (action)
2700     {
2701         case kControlFocusPrevPart:
2702         case kControlFocusNextPart:
2703             MacFocusPaneText( !wasFocused );
2704             focusResult = (!wasFocused ? (ControlPartCode) kControlEditTextPart : (ControlPartCode) kControlFocusNoPart);
2705             break;
2706
2707         case kControlFocusNoPart:
2708         default:
2709             MacFocusPaneText( false );
2710             focusResult = kControlFocusNoPart;
2711             break;
2712     }
2713
2714     return focusResult;
2715 }
2716
2717 void wxMacMLTEClassicControl::MacControlUserPaneBackgroundProc( void *info )
2718 {
2719 }
2720
2721 wxMacMLTEClassicControl::wxMacMLTEClassicControl( wxTextCtrl *wxPeer,
2722     const wxString& str,
2723     const wxPoint& pos,
2724     const wxSize& size, long style )
2725     : wxMacMLTEControl( wxPeer )
2726 {
2727     m_font = wxPeer->GetFont() ;
2728     m_windowStyle = style ;
2729     Rect bounds = wxMacGetBoundsForControl( wxPeer , pos , size ) ;
2730
2731     short featureSet =
2732         kControlSupportsEmbedding | kControlSupportsFocus | kControlWantsIdle
2733         | kControlWantsActivate  | kControlHandlesTracking
2734 //    | kControlHasSpecialBackground
2735         | kControlGetsFocusOnClick | kControlSupportsLiveFeedback;
2736
2737    OSStatus err = ::CreateUserPaneControl(
2738         MAC_WXHWND(wxPeer->GetParent()->MacGetTopLevelWindowRef()),
2739         &bounds, featureSet, &m_controlRef );
2740     verify_noerr( err );
2741
2742     DoCreate();
2743
2744     AdjustCreationAttributes( *wxWHITE , true ) ;
2745
2746     MacSetObjectVisibility( wxPeer->MacIsReallyShown() ) ;
2747
2748     {
2749         wxString st = str ;
2750         wxMacConvertNewlines10To13( &st ) ;
2751         wxMacWindowClipper clipper( m_peer ) ;
2752         SetTXNData( st , kTXNStartOffset, kTXNEndOffset ) ;
2753         TXNSetSelection( m_txn, 0, 0 ) ;
2754     }
2755 }
2756
2757 wxMacMLTEClassicControl::~wxMacMLTEClassicControl()
2758 {
2759     TXNDeleteObject( m_txn );
2760     m_txn = NULL ;
2761 }
2762
2763 void wxMacMLTEClassicControl::VisibilityChanged(bool shown)
2764 {
2765     MacSetObjectVisibility( shown ) ;
2766     wxMacControl::VisibilityChanged( shown ) ;
2767 }
2768
2769 void wxMacMLTEClassicControl::SuperChangedPosition()
2770 {
2771     MacUpdatePosition() ;
2772     wxMacControl::SuperChangedPosition() ;
2773 }
2774
2775 #ifdef __WXMAC_OSX__
2776
2777 ControlUserPaneDrawUPP gTPDrawProc = NULL;
2778 ControlUserPaneHitTestUPP gTPHitProc = NULL;
2779 ControlUserPaneTrackingUPP gTPTrackProc = NULL;
2780 ControlUserPaneIdleUPP gTPIdleProc = NULL;
2781 ControlUserPaneKeyDownUPP gTPKeyProc = NULL;
2782 ControlUserPaneActivateUPP gTPActivateProc = NULL;
2783 ControlUserPaneFocusUPP gTPFocusProc = NULL;
2784
2785 static pascal void wxMacControlUserPaneDrawProc(ControlRef control, SInt16 part)
2786 {
2787     wxTextCtrl *textCtrl =  wxDynamicCast( wxFindControlFromMacControl(control) , wxTextCtrl ) ;
2788     wxMacMLTEClassicControl * win = textCtrl ? (wxMacMLTEClassicControl*)(textCtrl->GetPeer()) : NULL ;
2789     if ( win )
2790         win->MacControlUserPaneDrawProc( part ) ;
2791 }
2792
2793 static pascal ControlPartCode wxMacControlUserPaneHitTestProc(ControlRef control, Point where)
2794 {
2795     wxTextCtrl *textCtrl =  wxDynamicCast( wxFindControlFromMacControl(control) , wxTextCtrl ) ;
2796     wxMacMLTEClassicControl * win = textCtrl ? (wxMacMLTEClassicControl*)(textCtrl->GetPeer()) : NULL ;
2797     if ( win )
2798         return win->MacControlUserPaneHitTestProc( where.h , where.v ) ;
2799     else
2800         return kControlNoPart ;
2801 }
2802
2803 static pascal ControlPartCode wxMacControlUserPaneTrackingProc(ControlRef control, Point startPt, ControlActionUPP actionProc)
2804 {
2805     wxTextCtrl *textCtrl =  wxDynamicCast( wxFindControlFromMacControl(control) , wxTextCtrl ) ;
2806     wxMacMLTEClassicControl * win = textCtrl ? (wxMacMLTEClassicControl*)(textCtrl->GetPeer()) : NULL ;
2807     if ( win )
2808         return win->MacControlUserPaneTrackingProc( startPt.h , startPt.v , (void*) actionProc ) ;
2809     else
2810         return kControlNoPart ;
2811 }
2812
2813 static pascal void wxMacControlUserPaneIdleProc(ControlRef control)
2814 {
2815     wxTextCtrl *textCtrl =  wxDynamicCast( wxFindControlFromMacControl(control) , wxTextCtrl ) ;
2816     wxMacMLTEClassicControl * win = textCtrl ? (wxMacMLTEClassicControl*)(textCtrl->GetPeer()) : NULL ;
2817     if ( win )
2818         win->MacControlUserPaneIdleProc() ;
2819 }
2820
2821 static pascal ControlPartCode wxMacControlUserPaneKeyDownProc(ControlRef control, SInt16 keyCode, SInt16 charCode, SInt16 modifiers)
2822 {
2823     wxTextCtrl *textCtrl =  wxDynamicCast( wxFindControlFromMacControl(control) , wxTextCtrl ) ;
2824     wxMacMLTEClassicControl * win = textCtrl ? (wxMacMLTEClassicControl*)(textCtrl->GetPeer()) : NULL ;
2825     if ( win )
2826         return win->MacControlUserPaneKeyDownProc( keyCode, charCode, modifiers ) ;
2827     else
2828         return kControlNoPart ;
2829 }
2830
2831 static pascal void wxMacControlUserPaneActivateProc(ControlRef control, Boolean activating)
2832 {
2833     wxTextCtrl *textCtrl =  wxDynamicCast( wxFindControlFromMacControl(control) , wxTextCtrl ) ;
2834     wxMacMLTEClassicControl * win = textCtrl ? (wxMacMLTEClassicControl*)(textCtrl->GetPeer()) : NULL ;
2835     if ( win )
2836         win->MacControlUserPaneActivateProc( activating ) ;
2837 }
2838
2839 static pascal ControlPartCode wxMacControlUserPaneFocusProc(ControlRef control, ControlFocusPart action)
2840 {
2841     wxTextCtrl *textCtrl =  wxDynamicCast( wxFindControlFromMacControl(control) , wxTextCtrl ) ;
2842     wxMacMLTEClassicControl * win = textCtrl ? (wxMacMLTEClassicControl*)(textCtrl->GetPeer()) : NULL ;
2843     if ( win )
2844         return win->MacControlUserPaneFocusProc( action ) ;
2845     else
2846         return kControlNoPart ;
2847 }
2848
2849 #if 0
2850 static pascal void wxMacControlUserPaneBackgroundProc(ControlRef control, ControlBackgroundPtr info)
2851 {
2852     wxTextCtrl *textCtrl =  wxDynamicCast( wxFindControlFromMacControl(control) , wxTextCtrl ) ;
2853     wxMacMLTEClassicControl * win = textCtrl ? (wxMacMLTEClassicControl*)(textCtrl->GetPeer()) : NULL ;
2854     if ( win )
2855         win->MacControlUserPaneBackgroundProc(info) ;
2856 }
2857 #endif
2858
2859 #endif // __WXMAC_OSX__
2860
2861 // TXNRegisterScrollInfoProc
2862
2863 OSStatus wxMacMLTEClassicControl::DoCreate()
2864 {
2865     Rect bounds;
2866     OSStatus err = noErr ;
2867
2868     // set up our globals
2869 #ifdef __WXMAC_OSX__
2870     if (gTPDrawProc == NULL) gTPDrawProc = NewControlUserPaneDrawUPP(wxMacControlUserPaneDrawProc);
2871     if (gTPHitProc == NULL) gTPHitProc = NewControlUserPaneHitTestUPP(wxMacControlUserPaneHitTestProc);
2872     if (gTPTrackProc == NULL) gTPTrackProc = NewControlUserPaneTrackingUPP(wxMacControlUserPaneTrackingProc);
2873     if (gTPIdleProc == NULL) gTPIdleProc = NewControlUserPaneIdleUPP(wxMacControlUserPaneIdleProc);
2874     if (gTPKeyProc == NULL) gTPKeyProc = NewControlUserPaneKeyDownUPP(wxMacControlUserPaneKeyDownProc);
2875     if (gTPActivateProc == NULL) gTPActivateProc = NewControlUserPaneActivateUPP(wxMacControlUserPaneActivateProc);
2876     if (gTPFocusProc == NULL) gTPFocusProc = NewControlUserPaneFocusUPP(wxMacControlUserPaneFocusProc);
2877
2878     if (gTXNScrollInfoProc == NULL ) gTXNScrollInfoProc = NewTXNScrollInfoUPP(TXNScrollInfoProc) ;
2879     if (gTXNScrollActionProc == NULL ) gTXNScrollActionProc = NewControlActionUPP(TXNScrollActionProc) ;
2880 #endif
2881
2882     // set the initial settings for our private data
2883
2884     m_txnWindow = GetControlOwner(m_controlRef);
2885     m_txnPort = (GrafPtr) GetWindowPort(m_txnWindow);
2886
2887 #ifdef __WXMAC_OSX__
2888     // set up the user pane procedures
2889     SetControlData(m_controlRef, kControlEntireControl, kControlUserPaneDrawProcTag, sizeof(gTPDrawProc), &gTPDrawProc);
2890     SetControlData(m_controlRef, kControlEntireControl, kControlUserPaneHitTestProcTag, sizeof(gTPHitProc), &gTPHitProc);
2891     SetControlData(m_controlRef, kControlEntireControl, kControlUserPaneTrackingProcTag, sizeof(gTPTrackProc), &gTPTrackProc);
2892     SetControlData(m_controlRef, kControlEntireControl, kControlUserPaneIdleProcTag, sizeof(gTPIdleProc), &gTPIdleProc);
2893     SetControlData(m_controlRef, kControlEntireControl, kControlUserPaneKeyDownProcTag, sizeof(gTPKeyProc), &gTPKeyProc);
2894     SetControlData(m_controlRef, kControlEntireControl, kControlUserPaneActivateProcTag, sizeof(gTPActivateProc), &gTPActivateProc);
2895     SetControlData(m_controlRef, kControlEntireControl, kControlUserPaneFocusProcTag, sizeof(gTPFocusProc), &gTPFocusProc);
2896 #endif
2897
2898     // calculate the rectangles used by the control
2899     UMAGetControlBoundsInWindowCoords( m_controlRef, &bounds );
2900
2901     m_txnControlBounds = bounds ;
2902     m_txnVisBounds = bounds ;
2903
2904     CGrafPtr origPort ;
2905     GDHandle origDev ;
2906
2907     GetGWorld( &origPort, &origDev ) ;
2908     SetPort( m_txnPort );
2909
2910     // create the new edit field
2911     TXNFrameOptions frameOptions = FrameOptionsFromWXStyle( m_windowStyle );
2912
2913 #ifdef __WXMAC_OSX__
2914     // the scrollbars are not correctly embedded but are inserted at the root:
2915     // this gives us problems as we have erratic redraws even over the structure area
2916
2917     m_sbHorizontal = 0 ;
2918     m_sbVertical = 0 ;
2919     m_lastHorizontalValue = 0 ;
2920     m_lastVerticalValue = 0 ;
2921
2922     Rect sb = { 0 , 0 , 0 , 0 } ;
2923     if ( frameOptions & kTXNWantVScrollBarMask )
2924     {
2925         CreateScrollBarControl( m_txnWindow, &sb, 0, 0, 100, 1, true, gTXNScrollActionProc, &m_sbVertical );
2926         SetControlReference( m_sbVertical, (SInt32)this );
2927         SetControlAction( m_sbVertical, gTXNScrollActionProc );
2928         ShowControl( m_sbVertical );
2929         EmbedControl( m_sbVertical , m_controlRef );
2930         frameOptions &= ~kTXNWantVScrollBarMask;
2931     }
2932
2933     if ( frameOptions & kTXNWantHScrollBarMask )
2934     {
2935         CreateScrollBarControl( m_txnWindow, &sb, 0, 0, 100, 1, true, gTXNScrollActionProc, &m_sbHorizontal );
2936         SetControlReference( m_sbHorizontal, (SInt32)this );
2937         SetControlAction( m_sbHorizontal, gTXNScrollActionProc );
2938         ShowControl( m_sbHorizontal );
2939         EmbedControl( m_sbHorizontal, m_controlRef );
2940         frameOptions &= ~(kTXNWantHScrollBarMask | kTXNDrawGrowIconMask);
2941     }
2942
2943 #endif
2944
2945     err = TXNNewObject(
2946         NULL, m_txnWindow, &bounds, frameOptions,
2947         kTXNTextEditStyleFrameType, kTXNTextensionFile, kTXNSystemDefaultEncoding,
2948         &m_txn, &m_txnFrameID, NULL );
2949     verify_noerr( err );
2950
2951 #if 0
2952     TXNControlTag iControlTags[] = { kTXNUseCarbonEvents };
2953     TXNControlData iControlData[] = { { (UInt32)&cInfo } };
2954     int toptag = WXSIZEOF( iControlTags ) ;
2955     TXNCarbonEventInfo cInfo ;
2956     cInfo.useCarbonEvents = false ;
2957     cInfo.filler = 0 ;
2958     cInfo.flags = 0 ;
2959     cInfo.fDictionary = NULL ;
2960
2961     verify_noerr( TXNSetTXNObjectControls( m_txn, false, toptag, iControlTags, iControlData ) );
2962 #endif
2963
2964 #ifdef __WXMAC_OSX__
2965     TXNRegisterScrollInfoProc( m_txn, gTXNScrollInfoProc, (SInt32)this );
2966 #endif
2967
2968     SetGWorld( origPort , origDev ) ;
2969
2970     return err;
2971 }
2972
2973 // ----------------------------------------------------------------------------
2974 // MLTE control implementation (OSX part)
2975 // ----------------------------------------------------------------------------
2976
2977 #if TARGET_API_MAC_OSX
2978
2979 #if MAC_OS_X_VERSION_MAX_ALLOWED > MAC_OS_X_VERSION_10_2
2980
2981 // tiger multi-line textcontrols with no CR in the entire content
2982 // don't scroll automatically, so we need a hack.
2983 // This attempt only works 'before' the key (ie before CallNextEventHandler)
2984 // is processed, thus the scrolling always occurs one character too late, but
2985 // better than nothing ...
2986
2987 static const EventTypeSpec eventList[] =
2988 {
2989     { kEventClassTextInput, kEventTextInputUnicodeForKeyEvent } ,
2990 } ;
2991
2992 static pascal OSStatus wxMacUnicodeTextEventHandler( EventHandlerCallRef handler , EventRef event , void *data )
2993 {
2994     OSStatus result = eventNotHandledErr ;
2995     wxMacMLTEHIViewControl* focus = (wxMacMLTEHIViewControl*) data ;
2996
2997     switch ( GetEventKind( event ) )
2998     {
2999         case kEventTextInputUnicodeForKeyEvent :
3000         {
3001             if ( UMAGetSystemVersion() >= 0x1040 )
3002             {
3003                 TXNOffset from , to ;
3004                 TXNGetSelection( focus->GetTXNObject() , &from , &to ) ;
3005                 if ( from == to )
3006                     TXNShowSelection( focus->GetTXNObject() , kTXNShowStart );
3007             }
3008             result = CallNextEventHandler(handler,event);
3009             break;
3010         }
3011         default:
3012             break ;
3013     }
3014
3015     return result ;
3016 }
3017
3018 static pascal OSStatus wxMacTextControlEventHandler( EventHandlerCallRef handler , EventRef event , void *data )
3019 {
3020     OSStatus result = eventNotHandledErr ;
3021
3022     switch ( GetEventClass( event ) )
3023     {
3024         case kEventClassTextInput :
3025             result = wxMacUnicodeTextEventHandler( handler , event , data ) ;
3026             break ;
3027
3028         default :
3029             break ;
3030     }
3031     return result ;
3032 }
3033
3034 DEFINE_ONE_SHOT_HANDLER_GETTER( wxMacTextControlEventHandler )
3035
3036 wxMacMLTEHIViewControl::wxMacMLTEHIViewControl( wxTextCtrl *wxPeer,
3037     const wxString& str,
3038     const wxPoint& pos,
3039     const wxSize& size, long style ) : wxMacMLTEControl( wxPeer )
3040 {
3041     m_font = wxPeer->GetFont() ;
3042     m_windowStyle = style ;
3043     Rect bounds = wxMacGetBoundsForControl( wxPeer , pos , size ) ;
3044     wxString st = str ;
3045     wxMacConvertNewlines10To13( &st ) ;
3046
3047     HIRect hr = {
3048         { bounds.left , bounds.top },
3049         { bounds.right - bounds.left, bounds.bottom - bounds.top } } ;
3050
3051     m_scrollView = NULL ;
3052     TXNFrameOptions frameOptions = FrameOptionsFromWXStyle( style ) ;
3053     if ( frameOptions & (kTXNWantVScrollBarMask | kTXNWantHScrollBarMask) )
3054     {
3055         HIScrollViewCreate(
3056             (frameOptions & kTXNWantHScrollBarMask ? kHIScrollViewOptionsHorizScroll : 0)
3057             | (frameOptions & kTXNWantVScrollBarMask ? kHIScrollViewOptionsVertScroll : 0) ,
3058             &m_scrollView ) ;
3059
3060         HIViewSetFrame( m_scrollView, &hr );
3061         HIViewSetVisible( m_scrollView, true );
3062     }
3063
3064     m_textView = NULL ;
3065     HITextViewCreate( NULL , 0, frameOptions , &m_textView ) ;
3066     m_txn = HITextViewGetTXNObject( m_textView ) ;
3067     HIViewSetVisible( m_textView , true ) ;
3068     if ( m_scrollView )
3069     {
3070         HIViewAddSubview( m_scrollView , m_textView ) ;
3071         m_controlRef = m_scrollView ;
3072         wxPeer->MacInstallEventHandler( (WXWidget) m_textView ) ;
3073     }
3074     else
3075     {
3076         HIViewSetFrame( m_textView, &hr );
3077         m_controlRef = m_textView ;
3078     }
3079
3080     AdjustCreationAttributes( *wxWHITE , true ) ;
3081
3082     wxMacWindowClipper c( m_peer ) ;
3083     SetTXNData( st , kTXNStartOffset, kTXNEndOffset ) ;
3084
3085     TXNSetSelection( m_txn, 0, 0 );
3086     TXNShowSelection( m_txn, kTXNShowStart );
3087
3088     InstallControlEventHandler( m_textView , GetwxMacTextControlEventHandlerUPP(),
3089                                 GetEventTypeCount(eventList), eventList, this,
3090                                 &m_textEventHandlerRef);
3091 }
3092
3093 wxMacMLTEHIViewControl::~wxMacMLTEHIViewControl()
3094 {
3095     ::RemoveEventHandler( m_textEventHandlerRef ) ;
3096 }
3097
3098 OSStatus wxMacMLTEHIViewControl::SetFocus( ControlFocusPart focusPart )
3099 {
3100     return SetKeyboardFocus( GetControlOwner( m_textView ), m_textView, focusPart ) ;
3101 }
3102
3103 bool wxMacMLTEHIViewControl::HasFocus() const
3104 {
3105     ControlRef control ;
3106     GetKeyboardFocus( GetUserFocusWindow() , &control ) ;
3107     return control == m_textView ;
3108 }
3109
3110 void wxMacMLTEHIViewControl::SetBackground( const wxBrush &brush )
3111 {
3112     wxMacMLTEControl::SetBackground( brush ) ;
3113
3114 #if 0
3115     CGColorSpaceRef rgbSpace = CGColorSpaceCreateDeviceRGB();
3116     RGBColor col = MAC_WXCOLORREF(brush.GetColour().GetPixel()) ;
3117
3118     float component[4] ;
3119     component[0] = col.red / 65536.0 ;
3120     component[1] = col.green / 65536.0 ;
3121     component[2] = col.blue / 65536.0 ;
3122     component[3] = 1.0 ; // alpha
3123
3124     CGColorRef color = CGColorCreate( rgbSpace , component );
3125     HITextViewSetBackgroundColor( m_textView , color );
3126     CGColorSpaceRelease( rgbSpace );
3127 #endif
3128 }
3129
3130 #endif // MAC_OS_X_VERSION_MAX_ALLOWED > MAC_OS_X_VERSION_10_2
3131
3132
3133 #endif
3134
3135 #endif // wxUSE_TEXTCTRL