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
  68 // if this is set to 1 then under OSX 10.2 the 'classic' MLTE implementation will be used
  69 // if set to 0 then the unicode textctrl will be used
  70 #ifndef wxMAC_AWAYS_USE_MLTE
  71 #define wxMAC_AWAYS_USE_MLTE 1
  72 #endif
  73
  74 #ifndef __WXMAC_OSX__
  75 enum
  76 {
  77     kTXNVisibilityTag = 'visb' // set the visibility state of the object
  78 };
  79 #endif
  80
  81
  82 class wxMacFunctor
  83 {
  84 public :
  85     wxMacFunctor() {}
  86     virtual ~wxMacFunctor() {}
  87
  88     virtual void* operator()() = 0 ;
  89
  90     static void* CallBackProc( void *param )
  91     {
  92         wxMacFunctor* f = (wxMacFunctor*) param ;
  93         void *result = (*f)() ;
  94         return result ;
  95     }
  96 } ;
  97
  98 template<typename classtype, typename param1type>
  99
 100 class wxMacObjectFunctor1 : public wxMacFunctor
 101 {
 102     typedef void (classtype::*function)( param1type p1 ) ;
 103     typedef void (classtype::*ref_function)( const param1type& p1 ) ;
 104 public :
 105     wxMacObjectFunctor1( classtype *obj , function f , param1type p1 ) :
 106         wxMacFunctor()
 107     {
 108         m_object = obj ;
 109         m_function = f ;
 110         m_param1 = p1 ;
 111     }
 112
 113     wxMacObjectFunctor1( classtype *obj , ref_function f , param1type p1 ) :
 114         wxMacFunctor()
 115     {
 116         m_object = obj ;
 117         m_refFunction = f ;
 118         m_param1 = p1 ;
 119     }
 120
 121     virtual ~wxMacObjectFunctor1() {}
 122
 123     virtual void* operator()()
 124     {
 125         (m_object->*m_function)( m_param1 ) ;
 126         return NULL ;
 127     }
 128
 129 private :
 130     classtype* m_object ;
 131     param1type m_param1 ;
 132     union
 133     {
 134         function m_function ;
 135         ref_function m_refFunction ;
 136     } ;
 137 } ;
 138
 139 template<typename classtype, typename param1type>
 140 void* wxMacMPRemoteCall( classtype *object , void (classtype::*function)( param1type p1 ) , param1type p1 )
 141 {
 142     wxMacObjectFunctor1<classtype, param1type> params(object, function, p1) ;
 143     void *result =
 144         MPRemoteCall( wxMacFunctor::CallBackProc , &params , kMPOwningProcessRemoteContext ) ;
 145     return result ;
 146 }
 147
 148 template<typename classtype, typename param1type>
 149 void* wxMacMPRemoteCall( classtype *object , void (classtype::*function)( const param1type& p1 ) , param1type p1 )
 150 {
 151     wxMacObjectFunctor1<classtype,param1type> params(object, function, p1) ;
 152     void *result =
 153         MPRemoteCall( wxMacFunctor::CallBackProc , &params , kMPOwningProcessRemoteContext ) ;
 154     return result ;
 155 }
 156
 157 template<typename classtype, typename param1type>
 158 void* wxMacMPRemoteGUICall( classtype *object , void (classtype::*function)( param1type p1 ) , param1type p1 )
 159 {
 160     wxMutexGuiLeave() ;
 161     void *result = wxMacMPRemoteCall( object , function , p1 ) ;
 162     wxMutexGuiEnter() ;
 163     return result ;
 164 }
 165
 166 template<typename classtype, typename param1type>
 167 void* wxMacMPRemoteGUICall( classtype *object , void (classtype::*function)( const param1type& p1 ) , param1type p1 )
 168 {
 169     wxMutexGuiLeave() ;
 170     void *result = wxMacMPRemoteCall( object , function , p1 ) ;
 171     wxMutexGuiEnter() ;
 172     return result ;
 173 }
 174
 175 // common interface for all implementations
 176 class wxMacTextControl : public wxMacControl
 177 {
 178 public :
 179     wxMacTextControl( wxTextCtrl *peer ) ;
 180     virtual ~wxMacTextControl() ;
 181
 182     virtual wxString GetStringValue() const = 0 ;
 183     virtual void SetStringValue( const wxString &val ) = 0 ;
 184     virtual void SetSelection( long from, long to ) = 0 ;
 185     virtual void GetSelection( long* from, long* to ) const = 0 ;
 186     virtual void WriteText( const wxString& str ) = 0 ;
 187
 188     virtual void SetStyle( long start, long end, const wxTextAttr& style ) ;
 189     virtual void Copy() ;
 190     virtual void Cut() ;
 191     virtual void Paste() ;
 192     virtual bool CanPaste() const ;
 193     virtual void SetEditable( bool editable ) ;
 194     virtual wxTextPos GetLastPosition() const ;
 195     virtual void Replace( long from, long to, const wxString &str ) ;
 196     virtual void Remove( long from, long to ) ;
 197
 198
 199     virtual bool HasOwnContextMenu() const
 200     { return false ; }
 201
 202     virtual bool SetupCursor( const wxPoint& pt )
 203     { return false ; }
 204
 205     virtual void Clear() ;
 206     virtual bool CanUndo() const;
 207     virtual void Undo() ;
 208     virtual bool CanRedo() const;
 209     virtual void Redo() ;
 210     virtual int GetNumberOfLines() const ;
 211     virtual long XYToPosition(long x, long y) const;
 212     virtual bool PositionToXY(long pos, long *x, long *y) const ;
 213     virtual void ShowPosition(long WXUNUSED(pos)) ;
 214     virtual int GetLineLength(long lineNo) const ;
 215     virtual wxString GetLineText(long lineNo) const ;
 216
 217 #ifndef __WXMAC_OSX__
 218     virtual void            MacControlUserPaneDrawProc(wxInt16 part) = 0 ;
 219     virtual wxInt16         MacControlUserPaneHitTestProc(wxInt16 x, wxInt16 y) = 0 ;
 220     virtual wxInt16         MacControlUserPaneTrackingProc(wxInt16 x, wxInt16 y, void* actionProc) = 0 ;
 221     virtual void            MacControlUserPaneIdleProc() = 0 ;
 222     virtual wxInt16         MacControlUserPaneKeyDownProc(wxInt16 keyCode, wxInt16 charCode, wxInt16 modifiers) = 0 ;
 223     virtual void            MacControlUserPaneActivateProc(bool activating) = 0 ;
 224     virtual wxInt16         MacControlUserPaneFocusProc(wxInt16 action) = 0 ;
 225     virtual void            MacControlUserPaneBackgroundProc(void* info) = 0 ;
 226 #endif
 227 } ;
 228
 229 // common parts for implementations based on MLTE
 230
 231 class wxMacMLTEControl : public wxMacTextControl
 232 {
 233 public :
 234     wxMacMLTEControl( wxTextCtrl *peer ) ;
 235
 236     virtual wxString GetStringValue() const ;
 237     virtual void SetStringValue( const wxString &str ) ;
 238
 239     static TXNFrameOptions FrameOptionsFromWXStyle( long wxStyle ) ;
 240
 241     void AdjustCreationAttributes( const wxColour& background, bool visible ) ;
 242
 243     virtual void SetFont( const wxFont & font, const wxColour& foreground, long windowStyle ) ;
 244     virtual void SetBackground( const wxBrush &brush ) ;
 245     virtual void SetStyle( long start, long end, const wxTextAttr& style ) ;
 246     virtual void Copy() ;
 247     virtual void Cut() ;
 248     virtual void Paste() ;
 249     virtual bool CanPaste() const ;
 250     virtual void SetEditable( bool editable ) ;
 251     virtual wxTextPos GetLastPosition() const ;
 252     virtual void Replace( long from, long to, const wxString &str ) ;
 253     virtual void Remove( long from, long to ) ;
 254     virtual void GetSelection( long* from, long* to ) const ;
 255     virtual void SetSelection( long from, long to ) ;
 256
 257     virtual void WriteText( const wxString& str ) ;
 258
 259     virtual bool HasOwnContextMenu() const
 260     {
 261 #if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_4
 262         if ( UMAGetSystemVersion() >= 0x1040 )
 263         {
 264             TXNCommandEventSupportOptions options ;
 265             TXNGetCommandEventSupport( m_txn , & options ) ;
 266             return options & kTXNSupportEditCommandProcessing ;
 267         }
 268 #endif
 269
 270         return false ;
 271     }
 272
 273     virtual void Clear() ;
 274
 275     virtual bool CanUndo() const ;
 276     virtual void Undo() ;
 277     virtual bool CanRedo()  const;
 278     virtual void Redo() ;
 279     virtual int GetNumberOfLines() const ;
 280     virtual long XYToPosition(long x, long y) const ;
 281     virtual bool PositionToXY(long pos, long *x, long *y) const ;
 282     virtual void ShowPosition( long pos ) ;
 283     virtual int GetLineLength(long lineNo) const ;
 284     virtual wxString GetLineText(long lineNo) const ;
 285
 286     void SetTXNData( const wxString& st , TXNOffset start , TXNOffset end ) ;
 287     TXNObject GetTXNObject() { return m_txn ; }
 288
 289 protected :
 290     void TXNSetAttribute( const wxTextAttr& style , long from , long to ) ;
 291
 292     TXNObject m_txn ;
 293 } ;
 294
 295 #if TARGET_API_MAC_OSX
 296
 297 // implementation available under OSX
 298
 299 #if MAC_OS_X_VERSION_MAX_ALLOWED > MAC_OS_X_VERSION_10_2
 300
 301 class wxMacMLTEHIViewControl : public wxMacMLTEControl
 302 {
 303 public :
 304     wxMacMLTEHIViewControl( wxTextCtrl *wxPeer,
 305                              const wxString& str,
 306                              const wxPoint& pos,
 307                              const wxSize& size, long style ) ;
 308     virtual ~wxMacMLTEHIViewControl() ;
 309
 310     virtual OSStatus SetFocus( ControlFocusPart focusPart ) ;
 311     virtual bool HasFocus() const ;
 312     virtual void SetBackground( const wxBrush &brush) ;
 313
 314 protected :
 315     HIViewRef m_scrollView ;
 316     HIViewRef m_textView ;
 317     EventHandlerRef m_textEventHandlerRef ;
 318 };
 319
 320 #endif
 321
 322 class wxMacUnicodeTextControl : public wxMacTextControl
 323 {
 324 public :
 325     wxMacUnicodeTextControl( wxTextCtrl *wxPeer,
 326                              const wxString& str,
 327                              const wxPoint& pos,
 328                              const wxSize& size, long style ) ;
 329     virtual ~wxMacUnicodeTextControl();
 330
 331     virtual void VisibilityChanged(bool shown);
 332     virtual wxString GetStringValue() const ;
 333     virtual void SetStringValue( const wxString &str) ;
 334     virtual void Copy();
 335     virtual void Cut();
 336     virtual void Paste();
 337     virtual bool CanPaste() const;
 338     virtual void SetEditable(bool editable) ;
 339     virtual void GetSelection( long* from, long* to) const ;
 340     virtual void SetSelection( long from , long to ) ;
 341     virtual void WriteText(const wxString& str) ;
 342
 343 protected :
 344     // contains the tag for the content (is different for password and non-password controls)
 345     OSType m_valueTag ;
 346
 347     // as the selection tag only works correctly when the control has the focus we have to mirror the
 348     // intended value
 349     EventHandlerRef m_focusHandlerRef ;
 350 public :
 351     ControlEditTextSelectionRec m_selection ;
 352 };
 353
 354 #endif
 355
 356 // 'classic' MLTE implementation
 357
 358 class wxMacMLTEClassicControl : public wxMacMLTEControl
 359 {
 360 public :
 361     wxMacMLTEClassicControl( wxTextCtrl *wxPeer,
 362                              const wxString& str,
 363                              const wxPoint& pos,
 364                              const wxSize& size, long style ) ;
 365     virtual ~wxMacMLTEClassicControl() ;
 366
 367     virtual void VisibilityChanged(bool shown) ;
 368     virtual void SuperChangedPosition() ;
 369
 370     virtual void            MacControlUserPaneDrawProc(wxInt16 part) ;
 371     virtual wxInt16         MacControlUserPaneHitTestProc(wxInt16 x, wxInt16 y) ;
 372     virtual wxInt16         MacControlUserPaneTrackingProc(wxInt16 x, wxInt16 y, void* actionProc) ;
 373     virtual void            MacControlUserPaneIdleProc() ;
 374     virtual wxInt16         MacControlUserPaneKeyDownProc(wxInt16 keyCode, wxInt16 charCode, wxInt16 modifiers) ;
 375     virtual void            MacControlUserPaneActivateProc(bool activating) ;
 376     virtual wxInt16         MacControlUserPaneFocusProc(wxInt16 action) ;
 377     virtual void            MacControlUserPaneBackgroundProc(void* info) ;
 378
 379     virtual bool SetupCursor( const wxPoint& WXUNUSED(pt) )
 380     {
 381         MacControlUserPaneIdleProc();
 382         return true;
 383     }
 384
 385     virtual void            SetRect( Rect *r ) ;
 386
 387 protected :
 388     OSStatus                 DoCreate();
 389
 390     void                    MacUpdatePosition() ;
 391     void                    MacActivatePaneText(bool setActive) ;
 392     void                    MacFocusPaneText(bool setFocus) ;
 393     void                    MacSetObjectVisibility(bool vis) ;
 394
 395 private :
 396     TXNFrameID              m_txnFrameID ;
 397     GrafPtr                 m_txnPort ;
 398     WindowRef               m_txnWindow ;
 399     // bounds of the control as we last did set the txn frames
 400     Rect                    m_txnControlBounds ;
 401     Rect                    m_txnVisBounds ;
 402
 403 #ifdef __WXMAC_OSX__
 404     static pascal void TXNScrollActionProc( ControlRef controlRef , ControlPartCode partCode ) ;
 405     static pascal void TXNScrollInfoProc(
 406         SInt32 iValue, SInt32 iMaximumValue,
 407         TXNScrollBarOrientation iScrollBarOrientation, SInt32 iRefCon ) ;
 408
 409     ControlRef              m_sbHorizontal ;
 410     SInt32                  m_lastHorizontalValue ;
 411     ControlRef              m_sbVertical ;
 412     SInt32                  m_lastVerticalValue ;
 413 #endif
 414 };
 415
 416
 417 IMPLEMENT_DYNAMIC_CLASS(wxTextCtrl, wxTextCtrlBase)
 418
 419 BEGIN_EVENT_TABLE(wxTextCtrl, wxTextCtrlBase)
 420     EVT_ERASE_BACKGROUND( wxTextCtrl::OnEraseBackground )
 421     EVT_DROP_FILES(wxTextCtrl::OnDropFiles)
 422     EVT_CHAR(wxTextCtrl::OnChar)
 423     EVT_MENU(wxID_CUT, wxTextCtrl::OnCut)
 424     EVT_MENU(wxID_COPY, wxTextCtrl::OnCopy)
 425     EVT_MENU(wxID_PASTE, wxTextCtrl::OnPaste)
 426     EVT_MENU(wxID_UNDO, wxTextCtrl::OnUndo)
 427     EVT_MENU(wxID_REDO, wxTextCtrl::OnRedo)
 428     EVT_MENU(wxID_CLEAR, wxTextCtrl::OnDelete)
 429     EVT_MENU(wxID_SELECTALL, wxTextCtrl::OnSelectAll)
 430
 431     EVT_CONTEXT_MENU(wxTextCtrl::OnContextMenu)
 432
 433     EVT_UPDATE_UI(wxID_CUT, wxTextCtrl::OnUpdateCut)
 434     EVT_UPDATE_UI(wxID_COPY, wxTextCtrl::OnUpdateCopy)
 435     EVT_UPDATE_UI(wxID_PASTE, wxTextCtrl::OnUpdatePaste)
 436     EVT_UPDATE_UI(wxID_UNDO, wxTextCtrl::OnUpdateUndo)
 437     EVT_UPDATE_UI(wxID_REDO, wxTextCtrl::OnUpdateRedo)
 438     EVT_UPDATE_UI(wxID_CLEAR, wxTextCtrl::OnUpdateDelete)
 439     EVT_UPDATE_UI(wxID_SELECTALL, wxTextCtrl::OnUpdateSelectAll)
 440 END_EVENT_TABLE()
 441
 442
 443 void wxTextCtrl::Init()
 444 {
 445     m_editable = true ;
 446     m_dirty = false;
 447
 448     m_maxLength = 0;
 449     m_privateContextMenu = NULL;
 450     m_triggerOnSetValue = true ;
 451 }
 452
 453 wxTextCtrl::~wxTextCtrl()
 454 {
 455     delete m_privateContextMenu;
 456 }
 457
 458 bool wxTextCtrl::Create( wxWindow *parent,
 459     wxWindowID id,
 460     const wxString& str,
 461     const wxPoint& pos,
 462     const wxSize& size,
 463     long style,
 464     const wxValidator& validator,
 465     const wxString& name )
 466 {
 467     m_macIsUserPane = false ;
 468     m_editable = true ;
 469
 470     if ( ! (style & wxNO_BORDER) )
 471         style = (style & ~wxBORDER_MASK) | wxSUNKEN_BORDER ;
 472
 473     if ( !wxTextCtrlBase::Create( parent, id, pos, size, style & ~(wxHSCROLL | wxVSCROLL), validator, name ) )
 474         return false;
 475
 476     if ( m_windowStyle & wxTE_MULTILINE )
 477     {
 478         // always turn on this style for multi-line controls
 479         m_windowStyle |= wxTE_PROCESS_ENTER;
 480         style |= wxTE_PROCESS_ENTER ;
 481     }
 482
 483     bool forceMLTE = false ;
 484
 485 #if wxUSE_SYSTEM_OPTIONS
 486     if (wxSystemOptions::HasOption( wxMAC_TEXTCONTROL_USE_MLTE ) && (wxSystemOptions::GetOptionInt( wxMAC_TEXTCONTROL_USE_MLTE ) == 1))
 487     {
 488         forceMLTE = true ;
 489     }
 490 #endif
 491
 492 #ifdef __WXMAC_OSX__
 493 #if MAC_OS_X_VERSION_MAX_ALLOWED > MAC_OS_X_VERSION_10_2
 494     if ( UMAGetSystemVersion() >= 0x1030 && !forceMLTE )
 495     {
 496         if ( m_windowStyle & wxTE_MULTILINE )
 497             m_peer = new wxMacMLTEHIViewControl( this , str , pos , size , style ) ;
 498     }
 499 #endif
 500
 501     if ( !m_peer )
 502     {
 503         if ( !(m_windowStyle & wxTE_MULTILINE) && !forceMLTE )
 504             m_peer = new wxMacUnicodeTextControl( this , str , pos , size , style ) ;
 505     }
 506 #endif
 507
 508     if ( !m_peer )
 509         m_peer = new wxMacMLTEClassicControl( this , str , pos , size , style ) ;
 510
 511     MacPostControlCreate(pos, size) ;
 512
 513     // only now the embedding is correct and we can do a positioning update
 514
 515     MacSuperChangedPosition() ;
 516
 517     if ( m_windowStyle & wxTE_READONLY)
 518         SetEditable( false ) ;
 519
 520     SetCursor( wxCursor( wxCURSOR_IBEAM ) ) ;
 521
 522     return true;
 523 }
 524
 525 void wxTextCtrl::MacSuperChangedPosition()
 526 {
 527     wxWindow::MacSuperChangedPosition() ;
 528     GetPeer()->SuperChangedPosition() ;
 529 }
 530
 531 void wxTextCtrl::MacVisibilityChanged()
 532 {
 533     GetPeer()->VisibilityChanged( MacIsReallyShown() ) ;
 534 }
 535
 536 void wxTextCtrl::MacEnabledStateChanged()
 537 {
 538 }
 539
 540 wxString wxTextCtrl::GetValue() const
 541 {
 542     return GetPeer()->GetStringValue() ;
 543 }
 544
 545 void wxTextCtrl::GetSelection(long* from, long* to) const
 546 {
 547     GetPeer()->GetSelection( from , to ) ;
 548 }
 549
 550 void wxTextCtrl::DoSetValue(const wxString& str, int flags)
 551 {
 552     // optimize redraws
 553     if ( GetValue() == str )
 554         return;
 555
 556     GetPeer()->SetStringValue( str ) ;
 557
 558     if ( (flags & SetValue_SendEvent) && m_triggerOnSetValue )
 559     {
 560         SendTextUpdatedEvent();
 561     }
 562 }
 563
 564 void wxTextCtrl::SetMaxLength(unsigned long len)
 565 {
 566     m_maxLength = len ;
 567 }
 568
 569 bool wxTextCtrl::SetFont( const wxFont& font )
 570 {
 571     if ( !wxTextCtrlBase::SetFont( font ) )
 572         return false ;
 573
 574     GetPeer()->SetFont( font , GetForegroundColour() , GetWindowStyle() ) ;
 575
 576     return true ;
 577 }
 578
 579 bool wxTextCtrl::SetStyle(long start, long end, const wxTextAttr& style)
 580 {
 581     GetPeer()->SetStyle( start , end , style ) ;
 582
 583     return true ;
 584 }
 585
 586 bool wxTextCtrl::SetDefaultStyle(const wxTextAttr& style)
 587 {
 588     wxTextCtrlBase::SetDefaultStyle( style ) ;
 589     SetStyle( kTXNUseCurrentSelection , kTXNUseCurrentSelection , GetDefaultStyle() ) ;
 590
 591     return true ;
 592 }
 593
 594 // Clipboard operations
 595
 596 void wxTextCtrl::Copy()
 597 {
 598     if (CanCopy())
 599         GetPeer()->Copy() ;
 600 }
 601
 602 void wxTextCtrl::Cut()
 603 {
 604     if (CanCut())
 605     {
 606         GetPeer()->Cut() ;
 607
 608         wxCommandEvent event( wxEVT_COMMAND_TEXT_UPDATED, m_windowId );
 609         event.SetEventObject( this );
 610         GetEventHandler()->ProcessEvent( event );
 611       }
 612 }
 613
 614 void wxTextCtrl::Paste()
 615 {
 616     if (CanPaste())
 617     {
 618         GetPeer()->Paste() ;
 619
 620         // TODO: eventually we should add setting the default style again
 621
 622         wxCommandEvent event( wxEVT_COMMAND_TEXT_UPDATED, m_windowId );
 623         event.SetEventObject( this );
 624         GetEventHandler()->ProcessEvent( event );
 625     }
 626 }
 627
 628 bool wxTextCtrl::CanCopy() const
 629 {
 630     // Can copy if there's a selection
 631     long from, to;
 632     GetSelection( &from, &to );
 633
 634     return (from != to);
 635 }
 636
 637 bool wxTextCtrl::CanCut() const
 638 {
 639     if ( !IsEditable() )
 640         return false;
 641
 642     // Can cut if there's a selection
 643     long from, to;
 644     GetSelection( &from, &to );
 645
 646     return (from != to);
 647 }
 648
 649 bool wxTextCtrl::CanPaste() const
 650 {
 651     if (!IsEditable())
 652         return false;
 653
 654     return GetPeer()->CanPaste() ;
 655 }
 656
 657 void wxTextCtrl::SetEditable(bool editable)
 658 {
 659     if ( editable != m_editable )
 660     {
 661         m_editable = editable ;
 662         GetPeer()->SetEditable( editable ) ;
 663     }
 664 }
 665
 666 void wxTextCtrl::SetInsertionPoint(long pos)
 667 {
 668     SetSelection( pos , pos ) ;
 669 }
 670
 671 void wxTextCtrl::SetInsertionPointEnd()
 672 {
 673     wxTextPos pos = GetLastPosition();
 674     SetInsertionPoint( pos );
 675 }
 676
 677 long wxTextCtrl::GetInsertionPoint() const
 678 {
 679     long begin, end ;
 680     GetSelection( &begin , &end ) ;
 681
 682     return begin ;
 683 }
 684
 685 wxTextPos wxTextCtrl::GetLastPosition() const
 686 {
 687     return GetPeer()->GetLastPosition() ;
 688 }
 689
 690 void wxTextCtrl::Replace(long from, long to, const wxString& str)
 691 {
 692     GetPeer()->Replace( from , to , str ) ;
 693 }
 694
 695 void wxTextCtrl::Remove(long from, long to)
 696 {
 697     GetPeer()->Remove( from , to ) ;
 698 }
 699
 700 void wxTextCtrl::SetSelection(long from, long to)
 701 {
 702     GetPeer()->SetSelection( from , to ) ;
 703 }
 704
 705 void wxTextCtrl::WriteText(const wxString& str)
 706 {
 707     // TODO: this MPRemoting will be moved into a remoting peer proxy for any command
 708     if ( !wxIsMainThread() )
 709     {
 710         // unfortunately CW 8 is not able to correctly deduce the template types,
 711         // so we have to instantiate explicitly
 712         wxMacMPRemoteGUICall<wxTextCtrl,wxString>( this , &wxTextCtrl::WriteText , str ) ;
 713
 714         return ;
 715     }
 716
 717     GetPeer()->WriteText( str ) ;
 718 }
 719
 720 void wxTextCtrl::AppendText(const wxString& text)
 721 {
 722     SetInsertionPointEnd();
 723     WriteText( text );
 724 }
 725
 726 void wxTextCtrl::Clear()
 727 {
 728     GetPeer()->Clear() ;
 729 }
 730
 731 bool wxTextCtrl::IsModified() const
 732 {
 733     return m_dirty;
 734 }
 735
 736 bool wxTextCtrl::IsEditable() const
 737 {
 738     return IsEnabled() && m_editable ;
 739 }
 740
 741 bool wxTextCtrl::AcceptsFocus() const
 742 {
 743     // we don't want focus if we can't be edited
 744     return /*IsEditable() && */ wxControl::AcceptsFocus();
 745 }
 746
 747 wxSize wxTextCtrl::DoGetBestSize() const
 748 {
 749     int wText, hText;
 750
 751     // these are the numbers from the HIG:
 752     // we reduce them by the borders first
 753     wText = 100 ;
 754
 755     switch ( m_windowVariant )
 756     {
 757         case wxWINDOW_VARIANT_NORMAL :
 758             hText = 22 - 6 ;
 759             break ;
 760
 761         case wxWINDOW_VARIANT_SMALL :
 762             hText = 19 - 6 ;
 763             break ;
 764
 765         case wxWINDOW_VARIANT_MINI :
 766             hText = 15 - 6 ;
 767             break ;
 768
 769         default :
 770             hText = 22 - 6;
 771             break ;
 772     }
 773
 774     // as the above numbers have some free space around the text
 775     // we get 5 lines like this anyway
 776     if ( m_windowStyle & wxTE_MULTILINE )
 777          hText *= 5 ;
 778
 779     if ( !HasFlag(wxNO_BORDER) )
 780         hText += 6 ;
 781
 782     return wxSize(wText, hText);
 783 }
 784
 785 // ----------------------------------------------------------------------------
 786 // Undo/redo
 787 // ----------------------------------------------------------------------------
 788
 789 void wxTextCtrl::Undo()
 790 {
 791     if (CanUndo())
 792         GetPeer()->Undo() ;
 793 }
 794
 795 void wxTextCtrl::Redo()
 796 {
 797     if (CanRedo())
 798         GetPeer()->Redo() ;
 799 }
 800
 801 bool wxTextCtrl::CanUndo() const
 802 {
 803     if ( !IsEditable() )
 804         return false ;
 805
 806     return GetPeer()->CanUndo() ;
 807 }
 808
 809 bool wxTextCtrl::CanRedo() const
 810 {
 811     if ( !IsEditable() )
 812         return false ;
 813
 814     return GetPeer()->CanRedo() ;
 815 }
 816
 817 void wxTextCtrl::MarkDirty()
 818 {
 819     m_dirty = true;
 820 }
 821
 822 void wxTextCtrl::DiscardEdits()
 823 {
 824     m_dirty = false;
 825 }
 826
 827 int wxTextCtrl::GetNumberOfLines() const
 828 {
 829     return GetPeer()->GetNumberOfLines() ;
 830 }
 831
 832 long wxTextCtrl::XYToPosition(long x, long y) const
 833 {
 834     return GetPeer()->XYToPosition( x , y ) ;
 835 }
 836
 837 bool wxTextCtrl::PositionToXY(long pos, long *x, long *y) const
 838 {
 839     return GetPeer()->PositionToXY( pos , x , y ) ;
 840 }
 841
 842 void wxTextCtrl::ShowPosition(long pos)
 843 {
 844     return GetPeer()->ShowPosition(pos) ;
 845 }
 846
 847 int wxTextCtrl::GetLineLength(long lineNo) const
 848 {
 849     return GetPeer()->GetLineLength(lineNo) ;
 850 }
 851
 852 wxString wxTextCtrl::GetLineText(long lineNo) const
 853 {
 854     return GetPeer()->GetLineText(lineNo) ;
 855 }
 856
 857 void wxTextCtrl::Command(wxCommandEvent & event)
 858 {
 859     SetValue(event.GetString());
 860     ProcessCommand(event);
 861 }
 862
 863 void wxTextCtrl::OnDropFiles(wxDropFilesEvent& event)
 864 {
 865     // By default, load the first file into the text window.
 866     if (event.GetNumberOfFiles() > 0)
 867         LoadFile( event.GetFiles()[0] );
 868 }
 869
 870 void wxTextCtrl::OnEraseBackground(wxEraseEvent& event)
 871 {
 872     // all erasing should be done by the real mac control implementation
 873     // while this is true for MLTE under classic, the HITextView is somehow
 874     // transparent but background erase is not working correctly, so intercept
 875     // things while we can...
 876     event.Skip() ;
 877 }
 878
 879 void wxTextCtrl::OnChar(wxKeyEvent& event)
 880 {
 881     int key = event.GetKeyCode() ;
 882     bool eat_key = false ;
 883
 884     if ( key == 'a' && event.MetaDown() )
 885     {
 886         SelectAll() ;
 887
 888         return ;
 889     }
 890
 891     if ( key == 'c' && event.MetaDown() )
 892     {
 893         if ( CanCopy() )
 894             Copy() ;
 895
 896         return ;
 897     }
 898
 899     if ( !IsEditable() && key != WXK_LEFT && key != WXK_RIGHT && key != WXK_DOWN && key != WXK_UP && key != WXK_TAB &&
 900         !( key == WXK_RETURN && ( (m_windowStyle & wxTE_PROCESS_ENTER) || (m_windowStyle & wxTE_MULTILINE) ) )
 901 //        && key != WXK_PAGEUP && key != WXK_PAGEDOWN && key != WXK_HOME && key != WXK_END
 902         )
 903     {
 904         // eat it
 905         return ;
 906     }
 907
 908     // Check if we have reached the max # of chars (if it is set), but still
 909     // allow navigation and deletion
 910     if ( !IsMultiLine() && m_maxLength && GetValue().length() >= m_maxLength &&
 911         key != WXK_LEFT && key != WXK_RIGHT && key != WXK_TAB &&
 912         key != WXK_BACK && !( key == WXK_RETURN && (m_windowStyle & wxTE_PROCESS_ENTER) )
 913        )
 914     {
 915         // eat it, we don't want to add more than allowed # of characters
 916
 917         // TODO: generate EVT_TEXT_MAXLEN()
 918         return;
 919     }
 920
 921     // assume that any key not processed yet is going to modify the control
 922     m_dirty = true;
 923
 924     if ( key == 'v' && event.MetaDown() )
 925     {
 926         if ( CanPaste() )
 927             Paste() ;
 928
 929         return ;
 930     }
 931
 932     if ( key == 'x' && event.MetaDown() )
 933     {
 934         if ( CanCut() )
 935             Cut() ;
 936
 937         return ;
 938     }
 939
 940     switch ( key )
 941     {
 942         case WXK_RETURN:
 943             if (m_windowStyle & wxTE_PROCESS_ENTER)
 944             {
 945                 wxCommandEvent event(wxEVT_COMMAND_TEXT_ENTER, m_windowId);
 946                 event.SetEventObject( this );
 947                 event.SetString( GetValue() );
 948                 if ( GetEventHandler()->ProcessEvent(event) )
 949                     return;
 950             }
 951
 952             if ( !(m_windowStyle & wxTE_MULTILINE) )
 953             {
 954                 wxTopLevelWindow *tlw = wxDynamicCast(wxGetTopLevelParent(this), wxTopLevelWindow);
 955                 if ( tlw && tlw->GetDefaultItem() )
 956                 {
 957                     wxButton *def = wxDynamicCast(tlw->GetDefaultItem(), wxButton);
 958                     if ( def && def->IsEnabled() )
 959                     {
 960                         wxCommandEvent event(wxEVT_COMMAND_BUTTON_CLICKED, def->GetId() );
 961                         event.SetEventObject(def);
 962                         def->Command(event);
 963
 964                         return ;
 965                     }
 966                 }
 967
 968                 // this will make wxWidgets eat the ENTER key so that
 969                 // we actually prevent line wrapping in a single line text control
 970                 eat_key = true;
 971             }
 972             break;
 973
 974         case WXK_TAB:
 975             if ( !(m_windowStyle & wxTE_PROCESS_TAB))
 976             {
 977                 int flags = 0;
 978                 if (!event.ShiftDown())
 979                     flags |= wxNavigationKeyEvent::IsForward ;
 980                 if (event.ControlDown())
 981                     flags |= wxNavigationKeyEvent::WinChange ;
 982                 Navigate(flags);
 983
 984                 return;
 985             }
 986             else
 987             {
 988                 // This is necessary (don't know why);
 989                 // otherwise the tab will not be inserted.
 990                 WriteText(wxT("\t"));
 991                 eat_key = true;
 992             }
 993             break;
 994
 995         default:
 996             break;
 997     }
 998
 999     if (!eat_key)
1000     {
1001         // perform keystroke handling
1002         event.Skip(true) ;
1003     }
1004
1005     if ( ( key >= 0x20 && key < WXK_START ) ||
1006          ( key >= WXK_NUMPAD0 && key <= WXK_DIVIDE ) ||
1007          key == WXK_RETURN ||
1008          key == WXK_DELETE ||
1009          key == WXK_BACK)
1010     {
1011         wxCommandEvent event1(wxEVT_COMMAND_TEXT_UPDATED, m_windowId);
1012         event1.SetEventObject( this );
1013         wxPostEvent( GetEventHandler(), event1 );
1014     }
1015 }
1016
1017 // ----------------------------------------------------------------------------
1018 // standard handlers for standard edit menu events
1019 // ----------------------------------------------------------------------------
1020
1021 void wxTextCtrl::OnCut(wxCommandEvent& WXUNUSED(event))
1022 {
1023     Cut();
1024 }
1025
1026 void wxTextCtrl::OnCopy(wxCommandEvent& WXUNUSED(event))
1027 {
1028     Copy();
1029 }
1030
1031 void wxTextCtrl::OnPaste(wxCommandEvent& WXUNUSED(event))
1032 {
1033     Paste();
1034 }
1035
1036 void wxTextCtrl::OnUndo(wxCommandEvent& WXUNUSED(event))
1037 {
1038     Undo();
1039 }
1040
1041 void wxTextCtrl::OnRedo(wxCommandEvent& WXUNUSED(event))
1042 {
1043     Redo();
1044 }
1045
1046 void wxTextCtrl::OnDelete(wxCommandEvent& WXUNUSED(event))
1047 {
1048     long from, to;
1049
1050     GetSelection( &from, &to );
1051     if (from != -1 && to != -1)
1052         Remove( from, to );
1053 }
1054
1055 void wxTextCtrl::OnSelectAll(wxCommandEvent& WXUNUSED(event))
1056 {
1057     SetSelection(-1, -1);
1058 }
1059
1060 void wxTextCtrl::OnUpdateCut(wxUpdateUIEvent& event)
1061 {
1062     event.Enable( CanCut() );
1063 }
1064
1065 void wxTextCtrl::OnUpdateCopy(wxUpdateUIEvent& event)
1066 {
1067     event.Enable( CanCopy() );
1068 }
1069
1070 void wxTextCtrl::OnUpdatePaste(wxUpdateUIEvent& event)
1071 {
1072     event.Enable( CanPaste() );
1073 }
1074
1075 void wxTextCtrl::OnUpdateUndo(wxUpdateUIEvent& event)
1076 {
1077     event.Enable( CanUndo() );
1078 }
1079
1080 void wxTextCtrl::OnUpdateRedo(wxUpdateUIEvent& event)
1081 {
1082     event.Enable( CanRedo() );
1083 }
1084
1085 void wxTextCtrl::OnUpdateDelete(wxUpdateUIEvent& event)
1086 {
1087     long from, to;
1088
1089     GetSelection( &from, &to );
1090     event.Enable( from != -1 && to != -1 && from != to && IsEditable() ) ;
1091 }
1092
1093 void wxTextCtrl::OnUpdateSelectAll(wxUpdateUIEvent& event)
1094 {
1095     event.Enable(GetLastPosition() > 0);
1096 }
1097
1098 // CS: Context Menus only work with MLTE implementations or non-multiline HIViews at the moment
1099
1100 void wxTextCtrl::OnContextMenu(wxContextMenuEvent& event)
1101 {
1102     if ( GetPeer()->HasOwnContextMenu() )
1103     {
1104         event.Skip() ;
1105         return ;
1106     }
1107
1108     if (m_privateContextMenu == NULL)
1109     {
1110         m_privateContextMenu = new wxMenu;
1111         m_privateContextMenu->Append(wxID_UNDO, _("&Undo"));
1112         m_privateContextMenu->Append(wxID_REDO, _("&Redo"));
1113         m_privateContextMenu->AppendSeparator();
1114         m_privateContextMenu->Append(wxID_CUT, _("Cu&t"));
1115         m_privateContextMenu->Append(wxID_COPY, _("&Copy"));
1116         m_privateContextMenu->Append(wxID_PASTE, _("&Paste"));
1117         m_privateContextMenu->Append(wxID_CLEAR, _("&Delete"));
1118         m_privateContextMenu->AppendSeparator();
1119         m_privateContextMenu->Append(wxID_SELECTALL, _("Select &All"));
1120     }
1121
1122     if (m_privateContextMenu != NULL)
1123         PopupMenu(m_privateContextMenu);
1124 }
1125
1126 bool wxTextCtrl::MacSetupCursor( const wxPoint& pt )
1127 {
1128     if ( !GetPeer()->SetupCursor( pt ) )
1129         return wxWindow::MacSetupCursor( pt ) ;
1130     else
1131         return true ;
1132 }
1133
1134 #if !TARGET_API_MAC_OSX
1135
1136 // user pane implementation
1137
1138 void wxTextCtrl::MacControlUserPaneDrawProc(wxInt16 part)
1139 {
1140     GetPeer()->MacControlUserPaneDrawProc( part ) ;
1141 }
1142
1143 wxInt16 wxTextCtrl::MacControlUserPaneHitTestProc(wxInt16 x, wxInt16 y)
1144 {
1145     return GetPeer()->MacControlUserPaneHitTestProc( x , y ) ;
1146 }
1147
1148 wxInt16 wxTextCtrl::MacControlUserPaneTrackingProc(wxInt16 x, wxInt16 y, void* actionProc)
1149 {
1150     return GetPeer()->MacControlUserPaneTrackingProc( x , y , actionProc ) ;
1151 }
1152
1153 void wxTextCtrl::MacControlUserPaneIdleProc()
1154 {
1155     GetPeer()->MacControlUserPaneIdleProc( ) ;
1156 }
1157
1158 wxInt16 wxTextCtrl::MacControlUserPaneKeyDownProc(wxInt16 keyCode, wxInt16 charCode, wxInt16 modifiers)
1159 {
1160     return GetPeer()->MacControlUserPaneKeyDownProc( keyCode , charCode , modifiers ) ;
1161 }
1162
1163 void wxTextCtrl::MacControlUserPaneActivateProc(bool activating)
1164 {
1165     GetPeer()->MacControlUserPaneActivateProc( activating ) ;
1166 }
1167
1168 wxInt16 wxTextCtrl::MacControlUserPaneFocusProc(wxInt16 action)
1169 {
1170     return GetPeer()->MacControlUserPaneFocusProc( action ) ;
1171 }
1172
1173 void wxTextCtrl::MacControlUserPaneBackgroundProc(void* info)
1174 {
1175     GetPeer()->MacControlUserPaneBackgroundProc( info ) ;
1176 }
1177
1178 #endif
1179
1180 // ----------------------------------------------------------------------------
1181 // implementation base class
1182 // ----------------------------------------------------------------------------
1183
1184 wxMacTextControl::wxMacTextControl(wxTextCtrl* peer) :
1185     wxMacControl( peer )
1186 {
1187 }
1188
1189 wxMacTextControl::~wxMacTextControl()
1190 {
1191 }
1192
1193 void wxMacTextControl::SetStyle(long start, long end, const wxTextAttr& style)
1194 {
1195 }
1196
1197 void wxMacTextControl::Copy()
1198 {
1199 }
1200
1201 void wxMacTextControl::Cut()
1202 {
1203 }
1204
1205 void wxMacTextControl::Paste()
1206 {
1207 }
1208
1209 bool wxMacTextControl::CanPaste() const
1210 {
1211     return false ;
1212 }
1213
1214 void wxMacTextControl::SetEditable(bool editable)
1215 {
1216 }
1217
1218 wxTextPos wxMacTextControl::GetLastPosition() const
1219 {
1220     return GetStringValue().length() ;
1221 }
1222
1223 void wxMacTextControl::Replace( long from , long to , const wxString &val )
1224 {
1225     SetSelection( from , to ) ;
1226     WriteText( val ) ;
1227 }
1228
1229 void wxMacTextControl::Remove( long from , long to )
1230 {
1231     SetSelection( from , to ) ;
1232     WriteText( wxEmptyString) ;
1233 }
1234
1235 void wxMacTextControl::Clear()
1236 {
1237     SetStringValue( wxEmptyString ) ;
1238 }
1239
1240 bool wxMacTextControl::CanUndo() const
1241 {
1242     return false ;
1243 }
1244
1245 void wxMacTextControl::Undo()
1246 {
1247 }
1248
1249 bool wxMacTextControl::CanRedo()  const
1250 {
1251     return false ;
1252 }
1253
1254 void wxMacTextControl::Redo()
1255 {
1256 }
1257
1258 long wxMacTextControl::XYToPosition(long x, long y) const
1259 {
1260     return 0 ;
1261 }
1262
1263 bool wxMacTextControl::PositionToXY(long pos, long *x, long *y) const
1264 {
1265     return false ;
1266 }
1267
1268 void wxMacTextControl::ShowPosition( long WXUNUSED(pos) )
1269 {
1270 }
1271
1272 int wxMacTextControl::GetNumberOfLines() const
1273 {
1274     ItemCount lines = 0 ;
1275     wxString content = GetStringValue() ;
1276     lines = 1;
1277
1278     for (size_t i = 0; i < content.length() ; i++)
1279     {
1280         if (content[i] == '\r')
1281             lines++;
1282     }
1283
1284     return lines ;
1285 }
1286
1287 wxString wxMacTextControl::GetLineText(long lineNo) const
1288 {
1289     // TODO: change this if possible to reflect real lines
1290     wxString content = GetStringValue() ;
1291
1292     // Find line first
1293     int count = 0;
1294     for (size_t i = 0; i < content.length() ; i++)
1295     {
1296         if (count == lineNo)
1297         {
1298             // Add chars in line then
1299             wxString tmp;
1300
1301             for (size_t j = i; j < content.length(); j++)
1302             {
1303                 if (content[j] == '\n')
1304                     return tmp;
1305
1306                 tmp += content[j];
1307             }
1308
1309             return tmp;
1310         }
1311
1312         if (content[i] == '\n')
1313             count++;
1314     }
1315
1316     return wxEmptyString ;
1317 }
1318
1319 int wxMacTextControl::GetLineLength(long lineNo) const
1320 {
1321     // TODO: change this if possible to reflect real lines
1322     wxString content = GetStringValue() ;
1323
1324     // Find line first
1325     int count = 0;
1326     for (size_t i = 0; i < content.length() ; i++)
1327     {
1328         if (count == lineNo)
1329         {
1330             // Count chars in line then
1331             count = 0;
1332             for (size_t j = i; j < content.length(); j++)
1333             {
1334                 count++;
1335                 if (content[j] == '\n')
1336                     return count;
1337             }
1338
1339             return count;
1340         }
1341
1342         if (content[i] == '\n')
1343             count++;
1344     }
1345
1346     return 0 ;
1347 }
1348
1349 // ----------------------------------------------------------------------------
1350 // standard unicode control implementation
1351 // ----------------------------------------------------------------------------
1352
1353 #if TARGET_API_MAC_OSX
1354
1355 // the current unicode textcontrol implementation has a bug : only if the control
1356 // is currently having the focus, the selection can be retrieved by the corresponding
1357 // data tag. So we have a mirroring using a member variable
1358 // TODO : build event table using virtual member functions for wxMacControl
1359
1360 static const EventTypeSpec unicodeTextControlEventList[] =
1361 {
1362     { kEventClassControl , kEventControlSetFocusPart } ,
1363 } ;
1364
1365 static pascal OSStatus wxMacUnicodeTextControlControlEventHandler( EventHandlerCallRef handler , EventRef event , void *data )
1366 {
1367     OSStatus result = eventNotHandledErr ;
1368     wxMacUnicodeTextControl* focus = (wxMacUnicodeTextControl*) data ;
1369     wxMacCarbonEvent cEvent( event ) ;
1370
1371     switch ( GetEventKind( event ) )
1372     {
1373         case kEventControlSetFocusPart :
1374         {
1375             ControlPartCode controlPart = cEvent.GetParameter<ControlPartCode>(kEventParamControlPart , typeControlPartCode );
1376             if ( controlPart == kControlFocusNoPart )
1377             {
1378                 // about to loose focus -> store selection to field
1379                 focus->GetData<ControlEditTextSelectionRec>( 0, kControlEditTextSelectionTag, &focus->m_selection );
1380             }
1381             result = CallNextEventHandler(handler,event) ;
1382             if ( controlPart != kControlFocusNoPart )
1383             {
1384                 // about to gain focus -> set selection from field
1385                 focus->SetData<ControlEditTextSelectionRec>( 0, kControlEditTextSelectionTag, &focus->m_selection );
1386             }
1387             break;
1388         }
1389         default:
1390             break ;
1391     }
1392
1393     return result ;
1394 }
1395
1396 static pascal OSStatus wxMacUnicodeTextControlEventHandler( EventHandlerCallRef handler , EventRef event , void *data )
1397 {
1398     OSStatus result = eventNotHandledErr ;
1399
1400     switch ( GetEventClass( event ) )
1401     {
1402         case kEventClassControl :
1403             result = wxMacUnicodeTextControlControlEventHandler( handler , event , data ) ;
1404             break ;
1405
1406         default :
1407             break ;
1408     }
1409     return result ;
1410 }
1411
1412 DEFINE_ONE_SHOT_HANDLER_GETTER( wxMacUnicodeTextControlEventHandler )
1413
1414 wxMacUnicodeTextControl::wxMacUnicodeTextControl( wxTextCtrl *wxPeer,
1415     const wxString& str,
1416     const wxPoint& pos,
1417     const wxSize& size, long style )
1418     : wxMacTextControl( wxPeer )
1419 {
1420     m_font = wxPeer->GetFont() ;
1421     m_windowStyle = style ;
1422     Rect bounds = wxMacGetBoundsForControl( wxPeer , pos , size ) ;
1423     wxString st = str ;
1424     wxMacConvertNewlines10To13( &st ) ;
1425     wxMacCFStringHolder cf(st , m_font.GetEncoding()) ;
1426     CFStringRef cfr = cf ;
1427     Boolean isPassword = ( m_windowStyle & wxTE_PASSWORD ) != 0 ;
1428     m_valueTag = isPassword ? kControlEditTextPasswordCFStringTag : kControlEditTextCFStringTag ;
1429
1430     OSStatus err = CreateEditUnicodeTextControl(
1431         MAC_WXHWND(wxPeer->MacGetTopLevelWindowRef()), &bounds , cfr ,
1432         isPassword , NULL , &m_controlRef ) ;
1433     verify_noerr( err );
1434
1435     if ( !(m_windowStyle & wxTE_MULTILINE) )
1436         SetData<Boolean>( kControlEditTextPart , kControlEditTextSingleLineTag , true ) ;
1437
1438     InstallControlEventHandler( m_controlRef , GetwxMacUnicodeTextControlEventHandlerUPP(),
1439                                 GetEventTypeCount(unicodeTextControlEventList), unicodeTextControlEventList, this,
1440                                 &m_focusHandlerRef);
1441 }
1442
1443 wxMacUnicodeTextControl::~wxMacUnicodeTextControl()
1444 {
1445     ::RemoveEventHandler( m_focusHandlerRef );
1446 }
1447
1448 void wxMacUnicodeTextControl::VisibilityChanged(bool shown)
1449 {
1450     if ( !(m_windowStyle & wxTE_MULTILINE) && shown )
1451     {
1452         // work around a refresh issue insofar as not always the entire content is shown,
1453         // even if this would be possible
1454         ControlEditTextSelectionRec sel ;
1455         CFStringRef value = NULL ;
1456
1457         verify_noerr( GetData<ControlEditTextSelectionRec>( 0, kControlEditTextSelectionTag, &sel ) );
1458         verify_noerr( GetData<CFStringRef>( 0, m_valueTag, &value ) );
1459         verify_noerr( SetData<CFStringRef>( 0, m_valueTag, &value ) );
1460         verify_noerr( SetData<ControlEditTextSelectionRec>( 0, kControlEditTextSelectionTag, &sel ) );
1461
1462         CFRelease( value ) ;
1463     }
1464 }
1465
1466 wxString wxMacUnicodeTextControl::GetStringValue() const
1467 {
1468     wxString result ;
1469     CFStringRef value = GetData<CFStringRef>(0, m_valueTag) ;
1470     if ( value )
1471     {
1472         wxMacCFStringHolder cf(value) ;
1473         result = cf.AsString() ;
1474     }
1475
1476 #if '\n' == 10
1477     wxMacConvertNewlines13To10( &result ) ;
1478 #else
1479     wxMacConvertNewlines10To13( &result ) ;
1480 #endif
1481
1482     return result ;
1483 }
1484
1485 void wxMacUnicodeTextControl::SetStringValue( const wxString &str )
1486 {
1487     wxString st = str ;
1488     wxMacConvertNewlines10To13( &st ) ;
1489     wxMacCFStringHolder cf( st , m_font.GetEncoding() ) ;
1490     verify_noerr( SetData<CFStringRef>( 0, m_valueTag , cf ) ) ;
1491 }
1492
1493 void wxMacUnicodeTextControl::Copy()
1494 {
1495     SendHICommand( kHICommandCopy ) ;
1496 }
1497
1498 void wxMacUnicodeTextControl::Cut()
1499 {
1500     SendHICommand( kHICommandCut ) ;
1501 }
1502
1503 void wxMacUnicodeTextControl::Paste()
1504 {
1505     SendHICommand( kHICommandPaste ) ;
1506 }
1507
1508 bool wxMacUnicodeTextControl::CanPaste() const
1509 {
1510     return true ;
1511 }
1512
1513 void wxMacUnicodeTextControl::SetEditable(bool editable)
1514 {
1515 #if 0 // leads to problem because text cannot be selected anymore
1516     SetData<Boolean>( kControlEditTextPart , kControlEditTextLockedTag , (Boolean) !editable ) ;
1517 #endif
1518 }
1519
1520 void wxMacUnicodeTextControl::GetSelection( long* from, long* to ) const
1521 {
1522     ControlEditTextSelectionRec sel ;
1523     if (HasFocus())
1524         verify_noerr( GetData<ControlEditTextSelectionRec>( 0, kControlEditTextSelectionTag, &sel ) ) ;
1525     else
1526         sel = m_selection ;
1527
1528     if ( from )
1529         *from = sel.selStart ;
1530     if ( to )
1531         *to = sel.selEnd ;
1532 }
1533
1534 void wxMacUnicodeTextControl::SetSelection( long from , long to )
1535 {
1536     ControlEditTextSelectionRec sel ;
1537     wxString result ;
1538     int textLength = 0 ;
1539     CFStringRef value = GetData<CFStringRef>(0, m_valueTag) ;
1540     if ( value )
1541     {
1542         wxMacCFStringHolder cf(value) ;
1543         textLength = cf.AsString().length() ;
1544     }
1545
1546     if ((from == -1) && (to == -1))
1547     {
1548         from = 0 ;
1549         to = textLength ;
1550     }
1551     else
1552     {
1553         from = wxMin(textLength,wxMax(from,0)) ;
1554         to = wxMax(0,wxMin(textLength,to)) ;
1555     }
1556
1557     sel.selStart = from ;
1558     sel.selEnd = to ;
1559     if ( HasFocus() )
1560         SetData<ControlEditTextSelectionRec>( 0, kControlEditTextSelectionTag, &sel ) ;
1561     else
1562         m_selection = sel;
1563 }
1564
1565 void wxMacUnicodeTextControl::WriteText( const wxString& str )
1566 {
1567     wxString st = str ;
1568     wxMacConvertNewlines10To13( &st ) ;
1569
1570 #if MAC_OS_X_VERSION_MAX_ALLOWED > MAC_OS_X_VERSION_10_2
1571     if ( HasFocus() )
1572     {
1573         wxMacCFStringHolder cf(st , m_font.GetEncoding() ) ;
1574         CFStringRef value = cf ;
1575         SetData<CFStringRef>( 0, kControlEditTextInsertCFStringRefTag, &value );
1576     }
1577     else
1578 #endif
1579     {
1580         wxString val = GetStringValue() ;
1581         long start , end ;
1582         GetSelection( &start , &end ) ;
1583         val.Remove( start , end - start ) ;
1584         val.insert( start , str ) ;
1585         SetStringValue( val ) ;
1586         SetSelection( start + str.length() , start + str.length() ) ;
1587     }
1588 }
1589
1590 #endif
1591
1592 // ----------------------------------------------------------------------------
1593 // MLTE control implementation (common part)
1594 // ----------------------------------------------------------------------------
1595
1596 // if MTLE is read only, no changes at all are allowed, not even from
1597 // procedural API, in order to allow changes via API all the same we must undo
1598 // the readonly status while we are executing, this class helps to do so
1599
1600 class wxMacEditHelper
1601 {
1602 public :
1603     wxMacEditHelper( TXNObject txn )
1604     {
1605         TXNControlTag tag[] = { kTXNIOPrivilegesTag } ;
1606         m_txn = txn ;
1607         TXNGetTXNObjectControls( m_txn , 1 , tag , m_data ) ;
1608         if ( m_data[0].uValue == kTXNReadOnly )
1609         {
1610             TXNControlData data[] = { { kTXNReadWrite } } ;
1611             TXNSetTXNObjectControls( m_txn , false , 1 , tag , data ) ;
1612         }
1613     }
1614
1615     ~wxMacEditHelper()
1616     {
1617         TXNControlTag tag[] = { kTXNIOPrivilegesTag } ;
1618         if ( m_data[0].uValue == kTXNReadOnly )
1619             TXNSetTXNObjectControls( m_txn , false , 1 , tag , m_data ) ;
1620     }
1621
1622 protected :
1623     TXNObject m_txn ;
1624     TXNControlData m_data[1] ;
1625 } ;
1626
1627 wxMacMLTEControl::wxMacMLTEControl( wxTextCtrl *peer )
1628     : wxMacTextControl( peer )
1629 {
1630     SetNeedsFocusRect( true ) ;
1631 }
1632
1633 wxString wxMacMLTEControl::GetStringValue() const
1634 {
1635     wxString result ;
1636     OSStatus err ;
1637     Size actualSize = 0;
1638
1639     {
1640 #if wxUSE_UNICODE
1641         Handle theText ;
1642         err = TXNGetDataEncoded( m_txn, kTXNStartOffset, kTXNEndOffset, &theText, kTXNUnicodeTextData );
1643
1644         // all done
1645         if ( err != noErr )
1646         {
1647             actualSize = 0 ;
1648         }
1649         else
1650         {
1651             actualSize = GetHandleSize( theText ) / sizeof(UniChar) ;
1652             if ( actualSize > 0 )
1653             {
1654                 wxChar *ptr = NULL ;
1655
1656 #if SIZEOF_WCHAR_T == 2
1657                 ptr = new wxChar[actualSize + 1] ;
1658                 wxStrncpy( ptr , (wxChar*)(*theText) , actualSize ) ;
1659 #else
1660                 SetHandleSize( theText, (actualSize + 1) * sizeof(UniChar) ) ;
1661                 HLock( theText ) ;
1662                 (((UniChar*)*theText)[actualSize]) = 0 ;
1663                 wxMBConvUTF16 converter ;
1664                 size_t noChars = converter.MB2WC( NULL , (const char*)*theText , 0 ) ;
1665                 wxASSERT_MSG( noChars != wxCONV_FAILED, _T("Unable to count the number of characters in this string!") );
1666                 ptr = new wxChar[noChars + 1] ;
1667
1668                 noChars = converter.MB2WC( ptr , (const char*)*theText , noChars + 1 ) ;
1669                 wxASSERT_MSG( noChars != wxCONV_FAILED, _T("Conversion of string failed!") );
1670                 ptr[noChars] = 0 ;
1671                 HUnlock( theText ) ;
1672 #endif
1673
1674                 ptr[actualSize] = 0 ;
1675                 result = wxString( ptr ) ;
1676                 delete [] ptr ;
1677             }
1678
1679             DisposeHandle( theText ) ;
1680         }
1681 #else
1682         Handle theText ;
1683         err = TXNGetDataEncoded( m_txn , kTXNStartOffset, kTXNEndOffset, &theText, kTXNTextData );
1684
1685         // all done
1686         if ( err != noErr )
1687         {
1688             actualSize = 0 ;
1689         }
1690         else
1691         {
1692             actualSize = GetHandleSize( theText ) ;
1693             if ( actualSize > 0 )
1694             {
1695                 HLock( theText ) ;
1696                 result = wxString( *theText , wxConvLocal , actualSize ) ;
1697                 HUnlock( theText ) ;
1698             }
1699
1700             DisposeHandle( theText ) ;
1701         }
1702 #endif
1703     }
1704
1705 #if '\n' == 10
1706     wxMacConvertNewlines13To10( &result ) ;
1707 #else
1708     wxMacConvertNewlines10To13( &result ) ;
1709 #endif
1710
1711     return result ;
1712 }
1713
1714 void wxMacMLTEControl::SetStringValue( const wxString &str )
1715 {
1716     wxString st = str;
1717     wxMacConvertNewlines10To13( &st );
1718
1719     {
1720         wxMacWindowClipper c( m_peer );
1721
1722         {
1723             wxMacEditHelper help( m_txn );
1724             SetTXNData( st, kTXNStartOffset, kTXNEndOffset );
1725         }
1726
1727         TXNSetSelection( m_txn, 0, 0 );
1728         TXNShowSelection( m_txn, kTXNShowStart );
1729     }
1730 }
1731
1732 TXNFrameOptions wxMacMLTEControl::FrameOptionsFromWXStyle( long wxStyle )
1733 {
1734     TXNFrameOptions frameOptions = kTXNDontDrawCaretWhenInactiveMask;
1735
1736 #if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_3
1737     frameOptions |= kTXNDoFontSubstitutionMask;
1738 #endif
1739
1740     if ( ! (wxStyle & wxTE_NOHIDESEL) )
1741         frameOptions |= kTXNDontDrawSelectionWhenInactiveMask ;
1742
1743     if ( wxStyle & (wxHSCROLL | wxTE_DONTWRAP) )
1744         frameOptions |= kTXNWantHScrollBarMask ;
1745
1746     if ( wxStyle & wxTE_MULTILINE )
1747     {
1748         frameOptions |= kTXNAlwaysWrapAtViewEdgeMask ;
1749
1750         if ( !(wxStyle & wxTE_NO_VSCROLL) )
1751         {
1752             frameOptions |= kTXNWantVScrollBarMask ;
1753
1754             // The following code causes drawing problems on 10.4. Perhaps it can be restored for
1755             // older versions of the OS, but I'm not sure it's appropriate to put a grow icon here
1756             // anyways, as AFAIK users can't actually use it to resize the text ctrl.
1757 //            if ( frameOptions & kTXNWantHScrollBarMask )
1758 //                frameOptions |= kTXNDrawGrowIconMask ;
1759         }
1760     }
1761     else
1762     {
1763         frameOptions |= kTXNSingleLineOnlyMask ;
1764     }
1765
1766     return frameOptions ;
1767 }
1768
1769 void wxMacMLTEControl::AdjustCreationAttributes( const wxColour &background, bool visible )
1770 {
1771     TXNControlTag iControlTags[] =
1772         {
1773             kTXNDoFontSubstitution,
1774             kTXNWordWrapStateTag ,
1775         };
1776     TXNControlData iControlData[] =
1777         {
1778             { true },
1779             { kTXNNoAutoWrap },
1780         };
1781
1782     int toptag = WXSIZEOF( iControlTags ) ;
1783
1784     if ( m_windowStyle & wxTE_MULTILINE )
1785     {
1786         iControlData[1].uValue =
1787             (m_windowStyle & wxTE_DONTWRAP)
1788             ? kTXNNoAutoWrap
1789             : kTXNAutoWrap;
1790     }
1791
1792     OSStatus err = TXNSetTXNObjectControls( m_txn, false, toptag, iControlTags, iControlData ) ;
1793     verify_noerr( err );
1794
1795     // setting the default font:
1796     // under 10.2 this causes a visible caret, therefore we avoid it
1797
1798     if ( UMAGetSystemVersion() >= 0x1030 )
1799     {
1800         Str255 fontName ;
1801         SInt16 fontSize ;
1802         Style fontStyle ;
1803
1804         GetThemeFont( kThemeSystemFont , GetApplicationScript() , fontName , &fontSize , &fontStyle ) ;
1805
1806         TXNTypeAttributes typeAttr[] =
1807         {
1808             { kTXNQDFontNameAttribute , kTXNQDFontNameAttributeSize , { (void*) fontName } } ,
1809             { kTXNQDFontSizeAttribute , kTXNFontSizeAttributeSize , { (void*) (fontSize << 16) } } ,
1810             { kTXNQDFontStyleAttribute , kTXNQDFontStyleAttributeSize , { (void*) normal } } ,
1811         } ;
1812
1813         err = TXNSetTypeAttributes(
1814             m_txn, sizeof(typeAttr) / sizeof(TXNTypeAttributes),
1815             typeAttr, kTXNStartOffset, kTXNEndOffset );
1816         verify_noerr( err );
1817     }
1818
1819     if ( m_windowStyle & wxTE_PASSWORD )
1820     {
1821         UniChar c = 0x00A5 ;
1822         err = TXNEchoMode( m_txn , c , 0 , true );
1823         verify_noerr( err );
1824     }
1825
1826     TXNBackground tback;
1827     tback.bgType = kTXNBackgroundTypeRGB;
1828     tback.bg.color = MAC_WXCOLORREF( background.GetPixel() );
1829     TXNSetBackground( m_txn , &tback );
1830
1831 #if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_4
1832     if ( UMAGetSystemVersion() >= 0x1040 )
1833     {
1834         TXNCommandEventSupportOptions options ;
1835         if ( TXNGetCommandEventSupport( m_txn, &options ) == noErr )
1836         {
1837             options |=
1838                 kTXNSupportEditCommandProcessing
1839                 | kTXNSupportEditCommandUpdating
1840                 | kTXNSupportSpellCheckCommandProcessing
1841                 | kTXNSupportSpellCheckCommandUpdating
1842                 | kTXNSupportFontCommandProcessing
1843                 | kTXNSupportFontCommandUpdating;
1844
1845             TXNSetCommandEventSupport( m_txn , options ) ;
1846         }
1847     }
1848 #endif
1849 }
1850
1851 void wxMacMLTEControl::SetBackground( const wxBrush &brush )
1852 {
1853     // currently only solid background are supported
1854     TXNBackground tback;
1855
1856     tback.bgType = kTXNBackgroundTypeRGB;
1857     tback.bg.color = MAC_WXCOLORREF( brush.GetColour().GetPixel() );
1858     TXNSetBackground( m_txn , &tback );
1859 }
1860
1861 void wxMacMLTEControl::TXNSetAttribute( const wxTextAttr& style , long from , long to )
1862 {
1863     TXNTypeAttributes typeAttr[4] ;
1864     RGBColor color ;
1865     int attrCount = 0 ;
1866
1867     if ( style.HasFont() )
1868     {
1869         const wxFont &font = style.GetFont() ;
1870
1871 #if 0 // old version
1872         Str255 fontName = "\pMonaco" ;
1873         SInt16 fontSize = 12 ;
1874         Style fontStyle = normal ;
1875         wxMacStringToPascal( font.GetFaceName() , fontName ) ;
1876         fontSize = font.GetPointSize() ;
1877         if ( font.GetUnderlined() )
1878             fontStyle |= underline ;
1879         if ( font.GetWeight() == wxBOLD )
1880             fontStyle |= bold ;
1881         if ( font.GetStyle() == wxITALIC )
1882             fontStyle |= italic ;
1883
1884         typeAttr[attrCount].tag = kTXNQDFontNameAttribute ;
1885         typeAttr[attrCount].size = kTXNQDFontNameAttributeSize ;
1886         typeAttr[attrCount].data.dataPtr = (void*)fontName ;
1887         attrCount++ ;
1888
1889         typeAttr[attrCount].tag = kTXNQDFontSizeAttribute ;
1890         typeAttr[attrCount].size = kTXNFontSizeAttributeSize ;
1891         typeAttr[attrCount].data.dataValue = (fontSize << 16) ;
1892         attrCount++ ;
1893
1894         typeAttr[attrCount].tag = kTXNQDFontStyleAttribute ;
1895         typeAttr[attrCount].size = kTXNQDFontStyleAttributeSize ;
1896         typeAttr[attrCount].data.dataValue = fontStyle ;
1897         attrCount++ ;
1898 #else
1899         typeAttr[attrCount].tag = kTXNATSUIStyle ;
1900         typeAttr[attrCount].size = kTXNATSUIStyleSize ;
1901         typeAttr[attrCount].data.dataValue = (UInt32)font.MacGetATSUStyle() ;
1902         attrCount++ ;
1903 #endif
1904     }
1905
1906     if ( style.HasTextColour() )
1907     {
1908         color = MAC_WXCOLORREF(style.GetTextColour().GetPixel()) ;
1909
1910         typeAttr[attrCount].tag = kTXNQDFontColorAttribute ;
1911         typeAttr[attrCount].size = kTXNQDFontColorAttributeSize ;
1912         typeAttr[attrCount].data.dataPtr = (void*) &color ;
1913         attrCount++ ;
1914     }
1915
1916     if ( attrCount > 0 )
1917     {
1918         verify_noerr( TXNSetTypeAttributes( m_txn , attrCount , typeAttr, from , to ) );
1919         // unfortunately the relayout is not automatic
1920         TXNRecalcTextLayout( m_txn );
1921     }
1922 }
1923
1924 void wxMacMLTEControl::SetFont( const wxFont & font , const wxColour& foreground , long windowStyle )
1925 {
1926     wxMacEditHelper help( m_txn ) ;
1927     TXNSetAttribute( wxTextAttr( foreground, wxNullColour, font ), kTXNStartOffset, kTXNEndOffset ) ;
1928 }
1929
1930 void wxMacMLTEControl::SetStyle( long start, long end, const wxTextAttr& style )
1931 {
1932     wxMacEditHelper help( m_txn ) ;
1933     TXNSetAttribute( style, start, end ) ;
1934 }
1935
1936 void wxMacMLTEControl::Copy()
1937 {
1938     ClearCurrentScrap();
1939     TXNCopy( m_txn );
1940     TXNConvertToPublicScrap();
1941 }
1942
1943 void wxMacMLTEControl::Cut()
1944 {
1945     ClearCurrentScrap();
1946     TXNCut( m_txn );
1947     TXNConvertToPublicScrap();
1948 }
1949
1950 void wxMacMLTEControl::Paste()
1951 {
1952     TXNConvertFromPublicScrap();
1953     TXNPaste( m_txn );
1954 }
1955
1956 bool wxMacMLTEControl::CanPaste() const
1957 {
1958     return TXNIsScrapPastable() ;
1959 }
1960
1961 void wxMacMLTEControl::SetEditable(bool editable)
1962 {
1963     TXNControlTag tag[] = { kTXNIOPrivilegesTag } ;
1964     TXNControlData data[] = { { editable ? kTXNReadWrite : kTXNReadOnly } } ;
1965     TXNSetTXNObjectControls( m_txn, false, WXSIZEOF(tag), tag, data ) ;
1966 }
1967
1968 wxTextPos wxMacMLTEControl::GetLastPosition() const
1969 {
1970     wxTextPos actualsize = 0 ;
1971
1972     Handle theText ;
1973     OSErr err = TXNGetDataEncoded( m_txn, kTXNStartOffset, kTXNEndOffset, &theText, kTXNTextData );
1974
1975     // all done
1976     if ( err == noErr )
1977     {
1978         actualsize = GetHandleSize( theText ) ;
1979         DisposeHandle( theText ) ;
1980     }
1981     else
1982     {
1983         actualsize = 0 ;
1984     }
1985
1986     return actualsize ;
1987 }
1988
1989 void wxMacMLTEControl::Replace( long from , long to , const wxString &str )
1990 {
1991     wxString value = str ;
1992     wxMacConvertNewlines10To13( &value ) ;
1993
1994     wxMacEditHelper help( m_txn ) ;
1995     wxMacWindowClipper c( m_peer ) ;
1996
1997     TXNSetSelection( m_txn, from, to ) ;
1998     TXNClear( m_txn ) ;
1999     SetTXNData( value, kTXNUseCurrentSelection, kTXNUseCurrentSelection ) ;
2000 }
2001
2002 void wxMacMLTEControl::Remove( long from , long to )
2003 {
2004     wxMacWindowClipper c( m_peer ) ;
2005     wxMacEditHelper help( m_txn ) ;
2006     TXNSetSelection( m_txn , from , to ) ;
2007     TXNClear( m_txn ) ;
2008 }
2009
2010 void wxMacMLTEControl::GetSelection( long* from, long* to) const
2011 {
2012     TXNGetSelection( m_txn , (TXNOffset*) from , (TXNOffset*) to ) ;
2013 }
2014
2015 void wxMacMLTEControl::SetSelection( long from , long to )
2016 {
2017     wxMacWindowClipper c( m_peer ) ;
2018
2019     // change the selection
2020     if ((from == -1) && (to == -1))
2021         TXNSelectAll( m_txn );
2022     else
2023         TXNSetSelection( m_txn, from, to );
2024
2025     TXNShowSelection( m_txn, kTXNShowStart );
2026 }
2027
2028 void wxMacMLTEControl::WriteText( const wxString& str )
2029 {
2030     wxString st = str ;
2031     wxMacConvertNewlines10To13( &st ) ;
2032
2033     long start , end , dummy ;
2034
2035     GetSelection( &start , &dummy ) ;
2036     wxMacWindowClipper c( m_peer ) ;
2037
2038     {
2039         wxMacEditHelper helper( m_txn ) ;
2040         SetTXNData( st, kTXNUseCurrentSelection, kTXNUseCurrentSelection ) ;
2041     }
2042
2043     GetSelection( &dummy, &end ) ;
2044
2045     // TODO: SetStyle( start , end , GetDefaultStyle() ) ;
2046 }
2047
2048 void wxMacMLTEControl::Clear()
2049 {
2050     wxMacWindowClipper c( m_peer ) ;
2051     wxMacEditHelper st( m_txn ) ;
2052     TXNSetSelection( m_txn , kTXNStartOffset , kTXNEndOffset ) ;
2053     TXNClear( m_txn ) ;
2054 }
2055
2056 bool wxMacMLTEControl::CanUndo() const
2057 {
2058     return TXNCanUndo( m_txn , NULL ) ;
2059 }
2060
2061 void wxMacMLTEControl::Undo()
2062 {
2063     TXNUndo( m_txn ) ;
2064 }
2065
2066 bool wxMacMLTEControl::CanRedo() const
2067 {
2068     return TXNCanRedo( m_txn , NULL ) ;
2069 }
2070
2071 void wxMacMLTEControl::Redo()
2072 {
2073     TXNRedo( m_txn ) ;
2074 }
2075
2076 int wxMacMLTEControl::GetNumberOfLines() const
2077 {
2078     ItemCount lines = 0 ;
2079     TXNGetLineCount( m_txn, &lines ) ;
2080
2081     return lines ;
2082 }
2083
2084 long wxMacMLTEControl::XYToPosition(long x, long y) const
2085 {
2086     Point curpt ;
2087     wxTextPos lastpos ;
2088
2089     // TODO: find a better implementation : while we can get the
2090     // line metrics of a certain line, we don't get its starting
2091     // position, so it would probably be rather a binary search
2092     // for the start position
2093     long xpos = 0, ypos = 0 ;
2094     int lastHeight = 0 ;
2095     ItemCount n ;
2096
2097     lastpos = GetLastPosition() ;
2098     for ( n = 0 ; n <= (ItemCount) lastpos ; ++n )
2099     {
2100         if ( y == ypos && x == xpos )
2101             return n ;
2102
2103         TXNOffsetToPoint( m_txn, n, &curpt ) ;
2104
2105         if ( curpt.v > lastHeight )
2106         {
2107             xpos = 0 ;
2108             if ( n > 0 )
2109                 ++ypos ;
2110
2111             lastHeight = curpt.v ;
2112         }
2113         else
2114             ++xpos ;
2115     }
2116
2117     return 0 ;
2118 }
2119
2120 bool wxMacMLTEControl::PositionToXY( long pos, long *x, long *y ) const
2121 {
2122     Point curpt ;
2123     wxTextPos lastpos ;
2124
2125     if ( y )
2126         *y = 0 ;
2127     if ( x )
2128         *x = 0 ;
2129
2130     lastpos = GetLastPosition() ;
2131     if ( pos <= lastpos )
2132     {
2133         // TODO: find a better implementation - while we can get the
2134         // line metrics of a certain line, we don't get its starting
2135         // position, so it would probably be rather a binary search
2136         // for the start position
2137         long xpos = 0, ypos = 0 ;
2138         int lastHeight = 0 ;
2139         ItemCount n ;
2140
2141         for ( n = 0 ; n <= (ItemCount) pos ; ++n )
2142         {
2143             TXNOffsetToPoint( m_txn, n, &curpt ) ;
2144
2145             if ( curpt.v > lastHeight )
2146             {
2147                 xpos = 0 ;
2148                 if ( n > 0 )
2149                     ++ypos ;
2150
2151                 lastHeight = curpt.v ;
2152             }
2153             else
2154                 ++xpos ;
2155         }
2156
2157         if ( y )
2158             *y = ypos ;
2159         if ( x )
2160             *x = xpos ;
2161     }
2162
2163     return false ;
2164 }
2165
2166 void wxMacMLTEControl::ShowPosition( long pos )
2167 {
2168 #if TARGET_RT_MAC_MACHO && defined(AVAILABLE_MAC_OS_X_VERSION_10_2_AND_LATER)
2169     {
2170         Point current, desired ;
2171         TXNOffset selstart, selend;
2172
2173         TXNGetSelection( m_txn, &selstart, &selend );
2174         TXNOffsetToPoint( m_txn, selstart, &current );
2175         TXNOffsetToPoint( m_txn, pos, &desired );
2176
2177         // TODO: use HIPoints for 10.3 and above
2178         if ( (UInt32)TXNScroll != (UInt32)kUnresolvedCFragSymbolAddress )
2179         {
2180             OSErr theErr = noErr;
2181             SInt32 dv = desired.v - current.v;
2182             SInt32 dh = desired.h - current.h;
2183             TXNShowSelection( m_txn, kTXNShowStart ) ; // NB: should this be kTXNShowStart or kTXNShowEnd ??
2184             theErr = TXNScroll( m_txn, kTXNScrollUnitsInPixels, kTXNScrollUnitsInPixels, &dv, &dh );
2185
2186             // there will be an error returned for classic MLTE implementation when the control is
2187             // invisible, but HITextView works correctly, so we don't assert that one
2188             // wxASSERT_MSG( theErr == noErr, _T("TXNScroll returned an error!") );
2189         }
2190     }
2191 #endif
2192 }
2193
2194 void wxMacMLTEControl::SetTXNData( const wxString& st, TXNOffset start, TXNOffset end )
2195 {
2196 #if wxUSE_UNICODE
2197 #if SIZEOF_WCHAR_T == 2
2198     size_t len = st.length() ;
2199     TXNSetData( m_txn, kTXNUnicodeTextData, (void*)st.wc_str(), len * 2, start, end );
2200 #else
2201     wxMBConvUTF16 converter ;
2202     ByteCount byteBufferLen = converter.WC2MB( NULL, st.wc_str(), 0 ) ;
2203     UniChar *unibuf = (UniChar*)malloc( byteBufferLen ) ;
2204     converter.WC2MB( (char*)unibuf, st.wc_str(), byteBufferLen ) ;
2205     TXNSetData( m_txn, kTXNUnicodeTextData, (void*)unibuf, byteBufferLen, start, end ) ;
2206     free( unibuf ) ;
2207 #endif
2208 #else
2209     wxCharBuffer text = st.mb_str( wxConvLocal ) ;
2210     TXNSetData( m_txn, kTXNTextData, (void*)text.data(), strlen( text ), start, end ) ;
2211 #endif
2212 }
2213
2214 wxString wxMacMLTEControl::GetLineText(long lineNo) const
2215 {
2216     wxString line ;
2217
2218     if ( lineNo < GetNumberOfLines() )
2219     {
2220         Point firstPoint;
2221         Fixed lineWidth, lineHeight, currentHeight;
2222         long ypos ;
2223
2224         // get the first possible position in the control
2225         TXNOffsetToPoint(m_txn, 0, &firstPoint);
2226
2227         // Iterate through the lines until we reach the one we want,
2228         // adding to our current y pixel point position
2229         ypos = 0 ;
2230         currentHeight = 0;
2231         while (ypos < lineNo)
2232         {
2233             TXNGetLineMetrics(m_txn, ypos++, &lineWidth, &lineHeight);
2234             currentHeight += lineHeight;
2235         }
2236
2237         Point thePoint = { firstPoint.v + (currentHeight >> 16), firstPoint.h + (0) };
2238         TXNOffset theOffset;
2239         TXNPointToOffset(m_txn, thePoint, &theOffset);
2240
2241         wxString content = GetStringValue() ;
2242         Point currentPoint = thePoint;
2243         while (thePoint.v == currentPoint.v && theOffset < content.length())
2244         {
2245             line += content[theOffset];
2246             TXNOffsetToPoint(m_txn, ++theOffset, &currentPoint);
2247         }
2248     }
2249
2250     return line ;
2251 }
2252
2253 int wxMacMLTEControl::GetLineLength(long lineNo) const
2254 {
2255     int theLength = 0;
2256
2257     if ( lineNo < GetNumberOfLines() )
2258     {
2259         Point firstPoint;
2260         Fixed lineWidth, lineHeight, currentHeight;
2261         long ypos;
2262
2263         // get the first possible position in the control
2264         TXNOffsetToPoint(m_txn, 0, &firstPoint);
2265
2266         // Iterate through the lines until we reach the one we want,
2267         // adding to our current y pixel point position
2268         ypos = 0;
2269         currentHeight = 0;
2270         while (ypos < lineNo)
2271         {
2272             TXNGetLineMetrics(m_txn, ypos++, &lineWidth, &lineHeight);
2273             currentHeight += lineHeight;
2274         }
2275
2276         Point thePoint = { firstPoint.v + (currentHeight >> 16), firstPoint.h + (0) };
2277         TXNOffset theOffset;
2278         TXNPointToOffset(m_txn, thePoint, &theOffset);
2279
2280         wxString content = GetStringValue() ;
2281         Point currentPoint = thePoint;
2282         while (thePoint.v == currentPoint.v && theOffset < content.length())
2283         {
2284             ++theLength;
2285             TXNOffsetToPoint(m_txn, ++theOffset, &currentPoint);
2286         }
2287     }
2288
2289     return theLength ;
2290 }
2291
2292 // ----------------------------------------------------------------------------
2293 // MLTE control implementation (classic part)
2294 // ----------------------------------------------------------------------------
2295
2296 // OS X Notes : We still don't have a full replacement for MLTE, so this implementation
2297 // has to live on. We have different problems coming from outdated implementations on the
2298 // various OS X versions. Most deal with the scrollbars: they are not correctly embedded
2299 // while this can be solved on 10.3 by reassigning them the correct place, on 10.2 there is
2300 // no way out, therefore we are using our own implementation and our own scrollbars ....
2301
2302 #ifdef __WXMAC_OSX__
2303
2304 TXNScrollInfoUPP gTXNScrollInfoProc = NULL ;
2305 ControlActionUPP gTXNScrollActionProc = NULL ;
2306
2307 pascal void wxMacMLTEClassicControl::TXNScrollInfoProc(
2308     SInt32 iValue, SInt32 iMaximumValue,
2309     TXNScrollBarOrientation iScrollBarOrientation, SInt32 iRefCon )
2310 {
2311     wxMacMLTEClassicControl* mlte = (wxMacMLTEClassicControl*) iRefCon ;
2312     SInt32 value =  wxMax( iValue , 0 ) ;
2313     SInt32 maximum = wxMax( iMaximumValue , 0 ) ;
2314
2315     if ( iScrollBarOrientation == kTXNHorizontal )
2316     {
2317         if ( mlte->m_sbHorizontal )
2318         {
2319             SetControl32BitValue( mlte->m_sbHorizontal , value ) ;
2320             SetControl32BitMaximum( mlte->m_sbHorizontal , maximum ) ;
2321             mlte->m_lastHorizontalValue = value ;
2322         }
2323     }
2324     else if ( iScrollBarOrientation == kTXNVertical )
2325     {
2326         if ( mlte->m_sbVertical )
2327         {
2328             SetControl32BitValue( mlte->m_sbVertical , value ) ;
2329             SetControl32BitMaximum( mlte->m_sbVertical , maximum ) ;
2330             mlte->m_lastVerticalValue = value ;
2331         }
2332     }
2333 }
2334
2335 pascal void wxMacMLTEClassicControl::TXNScrollActionProc( ControlRef controlRef , ControlPartCode partCode )
2336 {
2337     wxMacMLTEClassicControl* mlte = (wxMacMLTEClassicControl*) GetControlReference( controlRef ) ;
2338     if ( mlte == NULL )
2339         return ;
2340
2341     if ( controlRef != mlte->m_sbVertical && controlRef != mlte->m_sbHorizontal )
2342         return ;
2343
2344     OSStatus err ;
2345     bool isHorizontal = ( controlRef == mlte->m_sbHorizontal ) ;
2346
2347     SInt32 minimum = 0 ;
2348     SInt32 maximum = GetControl32BitMaximum( controlRef ) ;
2349     SInt32 value = GetControl32BitValue( controlRef ) ;
2350     SInt32 delta = 0;
2351
2352     switch ( partCode )
2353     {
2354         case kControlDownButtonPart :
2355             delta = 10 ;
2356             break ;
2357
2358         case kControlUpButtonPart :
2359             delta = -10 ;
2360             break ;
2361
2362         case kControlPageDownPart :
2363             delta = GetControlViewSize( controlRef ) ;
2364             break ;
2365
2366         case kControlPageUpPart :
2367             delta = -GetControlViewSize( controlRef ) ;
2368             break ;
2369
2370         case kControlIndicatorPart :
2371             delta = value - (isHorizontal ? mlte->m_lastHorizontalValue : mlte->m_lastVerticalValue) ;
2372             break ;
2373
2374         default :
2375             break ;
2376     }
2377
2378     if ( delta != 0 )
2379     {
2380         SInt32 newValue = value ;
2381
2382         if ( partCode != kControlIndicatorPart )
2383         {
2384             if ( value + delta < minimum )
2385                 delta = minimum - value ;
2386             if ( value + delta > maximum )
2387                 delta = maximum - value ;
2388
2389             SetControl32BitValue( controlRef , value + delta ) ;
2390             newValue = value + delta ;
2391         }
2392
2393         SInt32 verticalDelta = isHorizontal ? 0 : delta ;
2394         SInt32 horizontalDelta = isHorizontal ? delta : 0 ;
2395
2396         err = TXNScroll(
2397             mlte->m_txn, kTXNScrollUnitsInPixels, kTXNScrollUnitsInPixels,
2398             &verticalDelta, &horizontalDelta );
2399         verify_noerr( err );
2400
2401         if ( isHorizontal )
2402             mlte->m_lastHorizontalValue = newValue ;
2403         else
2404             mlte->m_lastVerticalValue = newValue ;
2405     }
2406 }
2407 #endif
2408
2409 // make correct activations
2410 void wxMacMLTEClassicControl::MacActivatePaneText(bool setActive)
2411 {
2412     wxTextCtrl* textctrl = (wxTextCtrl*) GetControlReference(m_controlRef);
2413
2414     wxMacWindowClipper clipper( textctrl ) ;
2415     TXNActivate( m_txn, m_txnFrameID, setActive );
2416
2417     ControlRef controlFocus = 0 ;
2418     GetKeyboardFocus( m_txnWindow , &controlFocus ) ;
2419     if ( controlFocus == m_controlRef )
2420         TXNFocus( m_txn, setActive );
2421 }
2422
2423 void wxMacMLTEClassicControl::MacFocusPaneText(bool setFocus)
2424 {
2425     TXNFocus( m_txn, setFocus );
2426 }
2427
2428 // guards against inappropriate redraw (hidden objects drawing onto window)
2429
2430 void wxMacMLTEClassicControl::MacSetObjectVisibility(bool vis)
2431 {
2432     ControlRef controlFocus = 0 ;
2433     GetKeyboardFocus( m_txnWindow , &controlFocus ) ;
2434
2435     if ( !vis && (controlFocus == m_controlRef ) )
2436         SetKeyboardFocus( m_txnWindow , m_controlRef , kControlFocusNoPart ) ;
2437
2438     TXNControlTag iControlTags[1] = { kTXNVisibilityTag };
2439     TXNControlData iControlData[1] = { { (UInt32)false } };
2440
2441     verify_noerr( TXNGetTXNObjectControls( m_txn , 1, iControlTags, iControlData ) ) ;
2442
2443     if ( iControlData[0].uValue != vis )
2444     {
2445         iControlData[0].uValue = vis ;
2446         verify_noerr( TXNSetTXNObjectControls( m_txn, false , 1, iControlTags, iControlData ) ) ;
2447     }
2448
2449     // currently, we always clip as partial visibility (overlapped) visibility is also a problem,
2450     // if we run into further problems we might set the FrameBounds to an empty rect here
2451 }
2452
2453 // make sure that the TXNObject is at the right position
2454
2455 void wxMacMLTEClassicControl::MacUpdatePosition()
2456 {
2457     wxTextCtrl* textctrl = (wxTextCtrl*)GetControlReference( m_controlRef );
2458     if ( textctrl == NULL )
2459         return ;
2460
2461     Rect bounds ;
2462     UMAGetControlBoundsInWindowCoords( m_controlRef, &bounds );
2463
2464     wxRect visRect = textctrl->MacGetClippedClientRect() ;
2465     Rect visBounds = { visRect.y , visRect.x , visRect.y + visRect.height , visRect.x + visRect.width } ;
2466     int x , y ;
2467     x = y = 0 ;
2468     textctrl->MacWindowToRootWindow( &x , &y ) ;
2469     OffsetRect( &visBounds , x , y ) ;
2470
2471     if ( !EqualRect( &bounds, &m_txnControlBounds ) || !EqualRect( &visBounds, &m_txnVisBounds ) )
2472     {
2473         m_txnControlBounds = bounds ;
2474         m_txnVisBounds = visBounds ;
2475         wxMacWindowClipper cl( textctrl ) ;
2476
2477 #ifdef __WXMAC_OSX__
2478         if ( m_sbHorizontal || m_sbVertical )
2479         {
2480             int w = bounds.right - bounds.left ;
2481             int h = bounds.bottom - bounds.top ;
2482
2483             if ( m_sbHorizontal )
2484             {
2485                 Rect sbBounds ;
2486
2487                 sbBounds.left = -1 ;
2488                 sbBounds.top = h - 14 ;
2489                 sbBounds.right = w + 1 ;
2490                 sbBounds.bottom = h + 1 ;
2491
2492                 SetControlBounds( m_sbHorizontal , &sbBounds ) ;
2493                 SetControlViewSize( m_sbHorizontal , w ) ;
2494             }
2495
2496             if ( m_sbVertical )
2497             {
2498                 Rect sbBounds ;
2499
2500                 sbBounds.left = w - 14 ;
2501                 sbBounds.top = -1 ;
2502                 sbBounds.right = w + 1 ;
2503                 sbBounds.bottom = m_sbHorizontal ? h - 14 : h + 1 ;
2504
2505                 SetControlBounds( m_sbVertical , &sbBounds ) ;
2506                 SetControlViewSize( m_sbVertical , h ) ;
2507             }
2508         }
2509
2510         Rect oldviewRect ;
2511         TXNLongRect olddestRect ;
2512         TXNGetRectBounds( m_txn , &oldviewRect , &olddestRect , NULL ) ;
2513
2514         Rect viewRect = { m_txnControlBounds.top, m_txnControlBounds.left,
2515             m_txnControlBounds.bottom - ( m_sbHorizontal ? 14 : 0 ) ,
2516             m_txnControlBounds.right - ( m_sbVertical ? 14 : 0 ) } ;
2517         TXNLongRect destRect = { m_txnControlBounds.top, m_txnControlBounds.left,
2518             m_txnControlBounds.bottom - ( m_sbHorizontal ? 14 : 0 ) ,
2519             m_txnControlBounds.right - ( m_sbVertical ? 14 : 0 ) } ;
2520
2521         if ( olddestRect.right >= 10000 )
2522             destRect.right = destRect.left + 32000 ;
2523
2524         if ( olddestRect.bottom >= 0x20000000 )
2525             destRect.bottom = destRect.top + 0x40000000 ;
2526
2527         SectRect( &viewRect , &visBounds , &viewRect ) ;
2528         TXNSetRectBounds( m_txn , &viewRect , &destRect , true ) ;
2529
2530 #if 0
2531         TXNSetFrameBounds(
2532             m_txn,
2533             m_txnControlBounds.top,
2534             m_txnControlBounds.left,
2535             m_txnControlBounds.bottom - (m_sbHorizontal ? 14 : 0),
2536             m_txnControlBounds.right - (m_sbVertical ? 14 : 0),
2537             m_txnFrameID );
2538 #endif
2539 #else
2540
2541         TXNSetFrameBounds(
2542             m_txn, m_txnControlBounds.top, m_txnControlBounds.left,
2543             wxMax( m_txnControlBounds.bottom, m_txnControlBounds.top ),
2544             wxMax( m_txnControlBounds.right, m_txnControlBounds.left ), m_txnFrameID );
2545 #endif
2546
2547         // the SetFrameBounds method under Classic sometimes does not correctly scroll a selection into sight after a
2548         // movement, therefore we have to force it
2549
2550         // this problem has been reported in OSX as well, so we use this here once again
2551
2552         TXNLongRect textRect ;
2553         TXNGetRectBounds( m_txn , NULL , NULL , &textRect ) ;
2554         if ( textRect.left < m_txnControlBounds.left )
2555             TXNShowSelection( m_txn , kTXNShowStart ) ;
2556     }
2557 }
2558
2559 void wxMacMLTEClassicControl::SetRect( Rect *r )
2560 {
2561     wxMacControl::SetRect( r ) ;
2562     MacUpdatePosition() ;
2563 }
2564
2565 void wxMacMLTEClassicControl::MacControlUserPaneDrawProc(wxInt16 thePart)
2566 {
2567     wxTextCtrl* textctrl = (wxTextCtrl*)GetControlReference( m_controlRef );
2568     if ( textctrl == NULL )
2569         return ;
2570
2571     if ( textctrl->MacIsReallyShown() )
2572     {
2573         wxMacWindowClipper clipper( textctrl ) ;
2574         TXNDraw( m_txn , NULL ) ;
2575     }
2576 }
2577
2578 wxInt16 wxMacMLTEClassicControl::MacControlUserPaneHitTestProc(wxInt16 x, wxInt16 y)
2579 {
2580     Point where = { y , x } ;
2581     ControlPartCode result = kControlNoPart;
2582
2583     wxTextCtrl* textctrl = (wxTextCtrl*) GetControlReference( m_controlRef );
2584     if ( (textctrl != NULL) && textctrl->MacIsReallyShown() )
2585     {
2586         if (PtInRect( where, &m_txnControlBounds ))
2587         {
2588             result = kControlEditTextPart ;
2589         }
2590         else
2591         {
2592             // sometimes we get the coords also in control local coordinates, therefore test again
2593             int x = 0 , y = 0 ;
2594             textctrl->MacClientToRootWindow( &x , &y ) ;
2595             where.h += x ;
2596             where.v += y ;
2597
2598             if (PtInRect( where, &m_txnControlBounds ))
2599                 result = kControlEditTextPart ;
2600         }
2601     }
2602
2603     return result;
2604 }
2605
2606 wxInt16 wxMacMLTEClassicControl::MacControlUserPaneTrackingProc( wxInt16 x, wxInt16 y, void* actionProc )
2607 {
2608     ControlPartCode result = kControlNoPart;
2609
2610     wxTextCtrl* textctrl = (wxTextCtrl*) GetControlReference( m_controlRef );
2611     if ( (textctrl != NULL) && textctrl->MacIsReallyShown() )
2612     {
2613         Point startPt = { y , x } ;
2614
2615         // for compositing, we must convert these into toplevel window coordinates, because hittesting expects them
2616         int x = 0 , y = 0 ;
2617         textctrl->MacClientToRootWindow( &x , &y ) ;
2618         startPt.h += x ;
2619         startPt.v += y ;
2620
2621         switch (MacControlUserPaneHitTestProc( startPt.h , startPt.v ))
2622         {
2623             case kControlEditTextPart :
2624             {
2625                 wxMacWindowClipper clipper( textctrl ) ;
2626                 EventRecord rec ;
2627
2628                 ConvertEventRefToEventRecord( (EventRef) wxTheApp->MacGetCurrentEvent() , &rec ) ;
2629                 TXNClick( m_txn, &rec );
2630             }
2631                 break;
2632
2633             default :
2634                 break;
2635         }
2636     }
2637
2638     return result;
2639 }
2640
2641 void wxMacMLTEClassicControl::MacControlUserPaneIdleProc()
2642 {
2643     wxTextCtrl* textctrl = (wxTextCtrl*)GetControlReference( m_controlRef );
2644     if ( textctrl == NULL )
2645         return ;
2646
2647     if (textctrl->MacIsReallyShown())
2648     {
2649         if (IsControlActive(m_controlRef))
2650         {
2651             Point mousep;
2652
2653             wxMacWindowClipper clipper( textctrl ) ;
2654             GetMouse(&mousep);
2655
2656             TXNIdle(m_txn);
2657
2658             if (PtInRect(mousep, &m_txnControlBounds))
2659             {
2660                 RgnHandle theRgn = NewRgn();
2661                 RectRgn(theRgn, &m_txnControlBounds);
2662                 TXNAdjustCursor(m_txn, theRgn);
2663                 DisposeRgn(theRgn);
2664             }
2665         }
2666     }
2667 }
2668
2669 wxInt16 wxMacMLTEClassicControl::MacControlUserPaneKeyDownProc (wxInt16 keyCode, wxInt16 charCode, wxInt16 modifiers)
2670 {
2671     wxTextCtrl* textctrl = (wxTextCtrl*)GetControlReference( m_controlRef );
2672     if ( textctrl == NULL )
2673         return kControlNoPart;
2674
2675     wxMacWindowClipper clipper( textctrl ) ;
2676
2677     EventRecord ev ;
2678     memset( &ev , 0 , sizeof( ev ) ) ;
2679     ev.what = keyDown ;
2680     ev.modifiers = modifiers ;
2681     ev.message = ((keyCode << 8) & keyCodeMask) | (charCode & charCodeMask);
2682     TXNKeyDown( m_txn , &ev );
2683
2684     return kControlEntireControl;
2685 }
2686
2687 void wxMacMLTEClassicControl::MacControlUserPaneActivateProc(bool activating)
2688 {
2689     MacActivatePaneText( activating );
2690 }
2691
2692 wxInt16 wxMacMLTEClassicControl::MacControlUserPaneFocusProc(wxInt16 action)
2693 {
2694     ControlPartCode focusResult = kControlFocusNoPart;
2695
2696     wxTextCtrl* textctrl = (wxTextCtrl*)GetControlReference( m_controlRef );
2697     if ( textctrl == NULL )
2698         return focusResult;
2699
2700     wxMacWindowClipper clipper( textctrl ) ;
2701
2702     ControlRef controlFocus = NULL ;
2703     GetKeyboardFocus( m_txnWindow , &controlFocus ) ;
2704     bool wasFocused = ( controlFocus == m_controlRef ) ;
2705
2706     switch (action)
2707     {
2708         case kControlFocusPrevPart:
2709         case kControlFocusNextPart:
2710             MacFocusPaneText( !wasFocused );
2711             focusResult = (!wasFocused ? (ControlPartCode) kControlEditTextPart : (ControlPartCode) kControlFocusNoPart);
2712             break;
2713
2714         case kControlFocusNoPart:
2715         default:
2716             MacFocusPaneText( false );
2717             focusResult = kControlFocusNoPart;
2718             break;
2719     }
2720
2721     return focusResult;
2722 }
2723
2724 void wxMacMLTEClassicControl::MacControlUserPaneBackgroundProc( void *info )
2725 {
2726 }
2727
2728 wxMacMLTEClassicControl::wxMacMLTEClassicControl( wxTextCtrl *wxPeer,
2729     const wxString& str,
2730     const wxPoint& pos,
2731     const wxSize& size, long style )
2732     : wxMacMLTEControl( wxPeer )
2733 {
2734     m_font = wxPeer->GetFont() ;
2735     m_windowStyle = style ;
2736     Rect bounds = wxMacGetBoundsForControl( wxPeer , pos , size ) ;
2737
2738     short featureSet =
2739         kControlSupportsEmbedding | kControlSupportsFocus | kControlWantsIdle
2740         | kControlWantsActivate  | kControlHandlesTracking
2741 //    | kControlHasSpecialBackground
2742         | kControlGetsFocusOnClick | kControlSupportsLiveFeedback;
2743
2744    OSStatus err = ::CreateUserPaneControl(
2745         MAC_WXHWND(wxPeer->GetParent()->MacGetTopLevelWindowRef()),
2746         &bounds, featureSet, &m_controlRef );
2747     verify_noerr( err );
2748
2749     DoCreate();
2750
2751     AdjustCreationAttributes( *wxWHITE , true ) ;
2752
2753     MacSetObjectVisibility( wxPeer->MacIsReallyShown() ) ;
2754
2755     {
2756         wxString st = str ;
2757         wxMacConvertNewlines10To13( &st ) ;
2758         wxMacWindowClipper clipper( m_peer ) ;
2759         SetTXNData( st , kTXNStartOffset, kTXNEndOffset ) ;
2760         TXNSetSelection( m_txn, 0, 0 ) ;
2761     }
2762 }
2763
2764 wxMacMLTEClassicControl::~wxMacMLTEClassicControl()
2765 {
2766     TXNDeleteObject( m_txn );
2767     m_txn = NULL ;
2768 }
2769
2770 void wxMacMLTEClassicControl::VisibilityChanged(bool shown)
2771 {
2772     MacSetObjectVisibility( shown ) ;
2773     wxMacControl::VisibilityChanged( shown ) ;
2774 }
2775
2776 void wxMacMLTEClassicControl::SuperChangedPosition()
2777 {
2778     MacUpdatePosition() ;
2779     wxMacControl::SuperChangedPosition() ;
2780 }
2781
2782 #ifdef __WXMAC_OSX__
2783
2784 ControlUserPaneDrawUPP gTPDrawProc = NULL;
2785 ControlUserPaneHitTestUPP gTPHitProc = NULL;
2786 ControlUserPaneTrackingUPP gTPTrackProc = NULL;
2787 ControlUserPaneIdleUPP gTPIdleProc = NULL;
2788 ControlUserPaneKeyDownUPP gTPKeyProc = NULL;
2789 ControlUserPaneActivateUPP gTPActivateProc = NULL;
2790 ControlUserPaneFocusUPP gTPFocusProc = NULL;
2791
2792 static pascal void wxMacControlUserPaneDrawProc(ControlRef control, SInt16 part)
2793 {
2794     wxTextCtrl *textCtrl =  wxDynamicCast( wxFindControlFromMacControl(control) , wxTextCtrl ) ;
2795     wxMacMLTEClassicControl * win = textCtrl ? (wxMacMLTEClassicControl*)(textCtrl->GetPeer()) : NULL ;
2796     if ( win )
2797         win->MacControlUserPaneDrawProc( part ) ;
2798 }
2799
2800 static pascal ControlPartCode wxMacControlUserPaneHitTestProc(ControlRef control, Point where)
2801 {
2802     wxTextCtrl *textCtrl =  wxDynamicCast( wxFindControlFromMacControl(control) , wxTextCtrl ) ;
2803     wxMacMLTEClassicControl * win = textCtrl ? (wxMacMLTEClassicControl*)(textCtrl->GetPeer()) : NULL ;
2804     if ( win )
2805         return win->MacControlUserPaneHitTestProc( where.h , where.v ) ;
2806     else
2807         return kControlNoPart ;
2808 }
2809
2810 static pascal ControlPartCode wxMacControlUserPaneTrackingProc(ControlRef control, Point startPt, ControlActionUPP actionProc)
2811 {
2812     wxTextCtrl *textCtrl =  wxDynamicCast( wxFindControlFromMacControl(control) , wxTextCtrl ) ;
2813     wxMacMLTEClassicControl * win = textCtrl ? (wxMacMLTEClassicControl*)(textCtrl->GetPeer()) : NULL ;
2814     if ( win )
2815         return win->MacControlUserPaneTrackingProc( startPt.h , startPt.v , (void*) actionProc ) ;
2816     else
2817         return kControlNoPart ;
2818 }
2819
2820 static pascal void wxMacControlUserPaneIdleProc(ControlRef control)
2821 {
2822     wxTextCtrl *textCtrl =  wxDynamicCast( wxFindControlFromMacControl(control) , wxTextCtrl ) ;
2823     wxMacMLTEClassicControl * win = textCtrl ? (wxMacMLTEClassicControl*)(textCtrl->GetPeer()) : NULL ;
2824     if ( win )
2825         win->MacControlUserPaneIdleProc() ;
2826 }
2827
2828 static pascal ControlPartCode wxMacControlUserPaneKeyDownProc(ControlRef control, SInt16 keyCode, SInt16 charCode, SInt16 modifiers)
2829 {
2830     wxTextCtrl *textCtrl =  wxDynamicCast( wxFindControlFromMacControl(control) , wxTextCtrl ) ;
2831     wxMacMLTEClassicControl * win = textCtrl ? (wxMacMLTEClassicControl*)(textCtrl->GetPeer()) : NULL ;
2832     if ( win )
2833         return win->MacControlUserPaneKeyDownProc( keyCode, charCode, modifiers ) ;
2834     else
2835         return kControlNoPart ;
2836 }
2837
2838 static pascal void wxMacControlUserPaneActivateProc(ControlRef control, Boolean activating)
2839 {
2840     wxTextCtrl *textCtrl =  wxDynamicCast( wxFindControlFromMacControl(control) , wxTextCtrl ) ;
2841     wxMacMLTEClassicControl * win = textCtrl ? (wxMacMLTEClassicControl*)(textCtrl->GetPeer()) : NULL ;
2842     if ( win )
2843         win->MacControlUserPaneActivateProc( activating ) ;
2844 }
2845
2846 static pascal ControlPartCode wxMacControlUserPaneFocusProc(ControlRef control, ControlFocusPart action)
2847 {
2848     wxTextCtrl *textCtrl =  wxDynamicCast( wxFindControlFromMacControl(control) , wxTextCtrl ) ;
2849     wxMacMLTEClassicControl * win = textCtrl ? (wxMacMLTEClassicControl*)(textCtrl->GetPeer()) : NULL ;
2850     if ( win )
2851         return win->MacControlUserPaneFocusProc( action ) ;
2852     else
2853         return kControlNoPart ;
2854 }
2855
2856 #if 0
2857 static pascal void wxMacControlUserPaneBackgroundProc(ControlRef control, ControlBackgroundPtr info)
2858 {
2859     wxTextCtrl *textCtrl =  wxDynamicCast( wxFindControlFromMacControl(control) , wxTextCtrl ) ;
2860     wxMacMLTEClassicControl * win = textCtrl ? (wxMacMLTEClassicControl*)(textCtrl->GetPeer()) : NULL ;
2861     if ( win )
2862         win->MacControlUserPaneBackgroundProc(info) ;
2863 }
2864 #endif
2865
2866 #endif // __WXMAC_OSX__
2867
2868 // TXNRegisterScrollInfoProc
2869
2870 OSStatus wxMacMLTEClassicControl::DoCreate()
2871 {
2872     Rect bounds;
2873     OSStatus err = noErr ;
2874
2875     // set up our globals
2876 #ifdef __WXMAC_OSX__
2877     if (gTPDrawProc == NULL) gTPDrawProc = NewControlUserPaneDrawUPP(wxMacControlUserPaneDrawProc);
2878     if (gTPHitProc == NULL) gTPHitProc = NewControlUserPaneHitTestUPP(wxMacControlUserPaneHitTestProc);
2879     if (gTPTrackProc == NULL) gTPTrackProc = NewControlUserPaneTrackingUPP(wxMacControlUserPaneTrackingProc);
2880     if (gTPIdleProc == NULL) gTPIdleProc = NewControlUserPaneIdleUPP(wxMacControlUserPaneIdleProc);
2881     if (gTPKeyProc == NULL) gTPKeyProc = NewControlUserPaneKeyDownUPP(wxMacControlUserPaneKeyDownProc);
2882     if (gTPActivateProc == NULL) gTPActivateProc = NewControlUserPaneActivateUPP(wxMacControlUserPaneActivateProc);
2883     if (gTPFocusProc == NULL) gTPFocusProc = NewControlUserPaneFocusUPP(wxMacControlUserPaneFocusProc);
2884
2885     if (gTXNScrollInfoProc == NULL ) gTXNScrollInfoProc = NewTXNScrollInfoUPP(TXNScrollInfoProc) ;
2886     if (gTXNScrollActionProc == NULL ) gTXNScrollActionProc = NewControlActionUPP(TXNScrollActionProc) ;
2887 #endif
2888
2889     // set the initial settings for our private data
2890
2891     m_txnWindow = GetControlOwner(m_controlRef);
2892     m_txnPort = (GrafPtr) GetWindowPort(m_txnWindow);
2893
2894 #ifdef __WXMAC_OSX__
2895     // set up the user pane procedures
2896     SetControlData(m_controlRef, kControlEntireControl, kControlUserPaneDrawProcTag, sizeof(gTPDrawProc), &gTPDrawProc);
2897     SetControlData(m_controlRef, kControlEntireControl, kControlUserPaneHitTestProcTag, sizeof(gTPHitProc), &gTPHitProc);
2898     SetControlData(m_controlRef, kControlEntireControl, kControlUserPaneTrackingProcTag, sizeof(gTPTrackProc), &gTPTrackProc);
2899     SetControlData(m_controlRef, kControlEntireControl, kControlUserPaneIdleProcTag, sizeof(gTPIdleProc), &gTPIdleProc);
2900     SetControlData(m_controlRef, kControlEntireControl, kControlUserPaneKeyDownProcTag, sizeof(gTPKeyProc), &gTPKeyProc);
2901     SetControlData(m_controlRef, kControlEntireControl, kControlUserPaneActivateProcTag, sizeof(gTPActivateProc), &gTPActivateProc);
2902     SetControlData(m_controlRef, kControlEntireControl, kControlUserPaneFocusProcTag, sizeof(gTPFocusProc), &gTPFocusProc);
2903 #endif
2904
2905     // calculate the rectangles used by the control
2906     UMAGetControlBoundsInWindowCoords( m_controlRef, &bounds );
2907
2908     m_txnControlBounds = bounds ;
2909     m_txnVisBounds = bounds ;
2910
2911     CGrafPtr origPort ;
2912     GDHandle origDev ;
2913
2914     GetGWorld( &origPort, &origDev ) ;
2915     SetPort( m_txnPort );
2916
2917     // create the new edit field
2918     TXNFrameOptions frameOptions = FrameOptionsFromWXStyle( m_windowStyle );
2919
2920 #ifdef __WXMAC_OSX__
2921     // the scrollbars are not correctly embedded but are inserted at the root:
2922     // this gives us problems as we have erratic redraws even over the structure area
2923
2924     m_sbHorizontal = 0 ;
2925     m_sbVertical = 0 ;
2926     m_lastHorizontalValue = 0 ;
2927     m_lastVerticalValue = 0 ;
2928
2929     Rect sb = { 0 , 0 , 0 , 0 } ;
2930     if ( frameOptions & kTXNWantVScrollBarMask )
2931     {
2932         CreateScrollBarControl( m_txnWindow, &sb, 0, 0, 100, 1, true, gTXNScrollActionProc, &m_sbVertical );
2933         SetControlReference( m_sbVertical, (SInt32)this );
2934         SetControlAction( m_sbVertical, gTXNScrollActionProc );
2935         ShowControl( m_sbVertical );
2936         EmbedControl( m_sbVertical , m_controlRef );
2937         frameOptions &= ~kTXNWantVScrollBarMask;
2938     }
2939
2940     if ( frameOptions & kTXNWantHScrollBarMask )
2941     {
2942         CreateScrollBarControl( m_txnWindow, &sb, 0, 0, 100, 1, true, gTXNScrollActionProc, &m_sbHorizontal );
2943         SetControlReference( m_sbHorizontal, (SInt32)this );
2944         SetControlAction( m_sbHorizontal, gTXNScrollActionProc );
2945         ShowControl( m_sbHorizontal );
2946         EmbedControl( m_sbHorizontal, m_controlRef );
2947         frameOptions &= ~(kTXNWantHScrollBarMask | kTXNDrawGrowIconMask);
2948     }
2949
2950 #endif
2951
2952     err = TXNNewObject(
2953         NULL, m_txnWindow, &bounds, frameOptions,
2954         kTXNTextEditStyleFrameType, kTXNTextensionFile, kTXNSystemDefaultEncoding,
2955         &m_txn, &m_txnFrameID, NULL );
2956     verify_noerr( err );
2957
2958 #if 0
2959     TXNControlTag iControlTags[] = { kTXNUseCarbonEvents };
2960     TXNControlData iControlData[] = { { (UInt32)&cInfo } };
2961     int toptag = WXSIZEOF( iControlTags ) ;
2962     TXNCarbonEventInfo cInfo ;
2963     cInfo.useCarbonEvents = false ;
2964     cInfo.filler = 0 ;
2965     cInfo.flags = 0 ;
2966     cInfo.fDictionary = NULL ;
2967
2968     verify_noerr( TXNSetTXNObjectControls( m_txn, false, toptag, iControlTags, iControlData ) );
2969 #endif
2970
2971 #ifdef __WXMAC_OSX__
2972     TXNRegisterScrollInfoProc( m_txn, gTXNScrollInfoProc, (SInt32)this );
2973 #endif
2974
2975     SetGWorld( origPort , origDev ) ;
2976
2977     return err;
2978 }
2979
2980 // ----------------------------------------------------------------------------
2981 // MLTE control implementation (OSX part)
2982 // ----------------------------------------------------------------------------
2983
2984 #if TARGET_API_MAC_OSX
2985
2986 #if MAC_OS_X_VERSION_MAX_ALLOWED > MAC_OS_X_VERSION_10_2
2987
2988 // tiger multi-line textcontrols with no CR in the entire content
2989 // don't scroll automatically, so we need a hack.
2990 // This attempt only works 'before' the key (ie before CallNextEventHandler)
2991 // is processed, thus the scrolling always occurs one character too late, but
2992 // better than nothing ...
2993
2994 static const EventTypeSpec eventList[] =
2995 {
2996     { kEventClassTextInput, kEventTextInputUnicodeForKeyEvent } ,
2997 } ;
2998
2999 static pascal OSStatus wxMacUnicodeTextEventHandler( EventHandlerCallRef handler , EventRef event , void *data )
3000 {
3001     OSStatus result = eventNotHandledErr ;
3002     wxMacMLTEHIViewControl* focus = (wxMacMLTEHIViewControl*) data ;
3003
3004     switch ( GetEventKind( event ) )
3005     {
3006         case kEventTextInputUnicodeForKeyEvent :
3007         {
3008             if ( UMAGetSystemVersion() >= 0x1040 )
3009             {
3010                 TXNOffset from , to ;
3011                 TXNGetSelection( focus->GetTXNObject() , &from , &to ) ;
3012                 if ( from == to )
3013                     TXNShowSelection( focus->GetTXNObject() , kTXNShowStart );
3014             }
3015             result = CallNextEventHandler(handler,event);
3016             break;
3017         }
3018         default:
3019             break ;
3020     }
3021
3022     return result ;
3023 }
3024
3025 static pascal OSStatus wxMacTextControlEventHandler( EventHandlerCallRef handler , EventRef event , void *data )
3026 {
3027     OSStatus result = eventNotHandledErr ;
3028
3029     switch ( GetEventClass( event ) )
3030     {
3031         case kEventClassTextInput :
3032             result = wxMacUnicodeTextEventHandler( handler , event , data ) ;
3033             break ;
3034
3035         default :
3036             break ;
3037     }
3038     return result ;
3039 }
3040
3041 DEFINE_ONE_SHOT_HANDLER_GETTER( wxMacTextControlEventHandler )
3042
3043 wxMacMLTEHIViewControl::wxMacMLTEHIViewControl( wxTextCtrl *wxPeer,
3044     const wxString& str,
3045     const wxPoint& pos,
3046     const wxSize& size, long style ) : wxMacMLTEControl( wxPeer )
3047 {
3048     m_font = wxPeer->GetFont() ;
3049     m_windowStyle = style ;
3050     Rect bounds = wxMacGetBoundsForControl( wxPeer , pos , size ) ;
3051     wxString st = str ;
3052     wxMacConvertNewlines10To13( &st ) ;
3053
3054     HIRect hr = {
3055         { bounds.left , bounds.top },
3056         { bounds.right - bounds.left, bounds.bottom - bounds.top } } ;
3057
3058     m_scrollView = NULL ;
3059     TXNFrameOptions frameOptions = FrameOptionsFromWXStyle( style ) ;
3060     if ( frameOptions & (kTXNWantVScrollBarMask | kTXNWantHScrollBarMask) )
3061     {
3062         HIScrollViewCreate(
3063             (frameOptions & kTXNWantHScrollBarMask ? kHIScrollViewOptionsHorizScroll : 0)
3064             | (frameOptions & kTXNWantVScrollBarMask ? kHIScrollViewOptionsVertScroll : 0) ,
3065             &m_scrollView ) ;
3066
3067         HIViewSetFrame( m_scrollView, &hr );
3068         HIViewSetVisible( m_scrollView, true );
3069     }
3070
3071     m_textView = NULL ;
3072     HITextViewCreate( NULL , 0, frameOptions , &m_textView ) ;
3073     m_txn = HITextViewGetTXNObject( m_textView ) ;
3074     HIViewSetVisible( m_textView , true ) ;
3075     if ( m_scrollView )
3076     {
3077         HIViewAddSubview( m_scrollView , m_textView ) ;
3078         m_controlRef = m_scrollView ;
3079         wxPeer->MacInstallEventHandler( (WXWidget) m_textView ) ;
3080     }
3081     else
3082     {
3083         HIViewSetFrame( m_textView, &hr );
3084         m_controlRef = m_textView ;
3085     }
3086
3087     AdjustCreationAttributes( *wxWHITE , true ) ;
3088
3089     wxMacWindowClipper c( m_peer ) ;
3090     SetTXNData( st , kTXNStartOffset, kTXNEndOffset ) ;
3091
3092     TXNSetSelection( m_txn, 0, 0 );
3093     TXNShowSelection( m_txn, kTXNShowStart );
3094
3095     InstallControlEventHandler( m_textView , GetwxMacTextControlEventHandlerUPP(),
3096                                 GetEventTypeCount(eventList), eventList, this,
3097                                 &m_textEventHandlerRef);
3098 }
3099
3100 wxMacMLTEHIViewControl::~wxMacMLTEHIViewControl()
3101 {
3102     ::RemoveEventHandler( m_textEventHandlerRef ) ;
3103 }
3104
3105 OSStatus wxMacMLTEHIViewControl::SetFocus( ControlFocusPart focusPart )
3106 {
3107     return SetKeyboardFocus( GetControlOwner( m_textView ), m_textView, focusPart ) ;
3108 }
3109
3110 bool wxMacMLTEHIViewControl::HasFocus() const
3111 {
3112     ControlRef control ;
3113     GetKeyboardFocus( GetUserFocusWindow() , &control ) ;
3114     return control == m_textView ;
3115 }
3116
3117 void wxMacMLTEHIViewControl::SetBackground( const wxBrush &brush )
3118 {
3119     wxMacMLTEControl::SetBackground( brush ) ;
3120
3121 #if 0
3122     CGColorSpaceRef rgbSpace = CGColorSpaceCreateDeviceRGB();
3123     RGBColor col = MAC_WXCOLORREF(brush.GetColour().GetPixel()) ;
3124
3125     float component[4] ;
3126     component[0] = col.red / 65536.0 ;
3127     component[1] = col.green / 65536.0 ;
3128     component[2] = col.blue / 65536.0 ;
3129     component[3] = 1.0 ; // alpha
3130
3131     CGColorRef color = CGColorCreate( rgbSpace , component );
3132     HITextViewSetBackgroundColor( m_textView , color );
3133     CGColorSpaceRelease( rgbSpace );
3134 #endif
3135 }
3136
3137 #endif // MAC_OS_X_VERSION_MAX_ALLOWED > MAC_OS_X_VERSION_10_2
3138
3139
3140 #endif
3141
3142 #endif // wxUSE_TEXTCTRL