src/mac/carbon/textctrl.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/mac/carbon/textctrl.cpp
   3 // Purpose:     wxTextCtrl
   4 // Author:      Stefan Csomor
   5 // Modified by: Ryan Norton (MLTE GetLineLength and GetLineText)
   6 // Created:     1998-01-01
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Stefan Csomor
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #include "wx/wxprec.h"
  13
  14 #if wxUSE_TEXTCTRL
  15
  16 #include "wx/textctrl.h"
  17
  18 #ifndef WX_PRECOMP
  19     #include "wx/intl.h"
  20     #include "wx/app.h"
  21     #include "wx/utils.h"
  22     #include "wx/dc.h"
  23     #include "wx/button.h"
  24     #include "wx/menu.h"
  25     #include "wx/settings.h"
  26     #include "wx/msgdlg.h"
  27     #include "wx/toplevel.h"
  28 #endif
  29
  30 #ifdef __DARWIN__
  31     #include <sys/types.h>
  32     #include <sys/stat.h>
  33 #else
  34     #include <stat.h>
  35 #endif
  36
  37 #if wxUSE_STD_IOSTREAM
  38     #if wxUSE_IOSTREAMH
  39         #include <fstream.h>
  40     #else
  41         #include <fstream>
  42     #endif
  43 #endif
  44
  45 #include "wx/filefn.h"
  46 #include "wx/sysopt.h"
  47
  48 #include "wx/mac/uma.h"
  49 #include "wx/mac/carbon/private/mactext.h"
  50
  51 class wxMacFunctor
  52 {
  53 public :
  54     wxMacFunctor() {}
  55     virtual ~wxMacFunctor() {}
  56
  57     virtual void* operator()() = 0 ;
  58
  59     static void* CallBackProc( void *param )
  60     {
  61         wxMacFunctor* f = (wxMacFunctor*) param ;
  62         void *result = (*f)() ;
  63         return result ;
  64     }
  65 } ;
  66
  67 template<typename classtype, typename param1type>
  68
  69 class wxMacObjectFunctor1 : public wxMacFunctor
  70 {
  71     typedef void (classtype::*function)( param1type p1 ) ;
  72     typedef void (classtype::*ref_function)( const param1type& p1 ) ;
  73 public :
  74     wxMacObjectFunctor1( classtype *obj , function f , param1type p1 ) :
  75         wxMacFunctor()
  76     {
  77         m_object = obj ;
  78         m_function = f ;
  79         m_param1 = p1 ;
  80     }
  81
  82     wxMacObjectFunctor1( classtype *obj , ref_function f , param1type p1 ) :
  83         wxMacFunctor()
  84     {
  85         m_object = obj ;
  86         m_refFunction = f ;
  87         m_param1 = p1 ;
  88     }
  89
  90     virtual ~wxMacObjectFunctor1() {}
  91
  92     virtual void* operator()()
  93     {
  94         (m_object->*m_function)( m_param1 ) ;
  95         return NULL ;
  96     }
  97
  98 private :
  99     classtype* m_object ;
 100     param1type m_param1 ;
 101     union
 102     {
 103         function m_function ;
 104         ref_function m_refFunction ;
 105     } ;
 106 } ;
 107
 108 template<typename classtype, typename param1type>
 109 void* wxMacMPRemoteCall( classtype *object , void (classtype::*function)( param1type p1 ) , param1type p1 )
 110 {
 111     wxMacObjectFunctor1<classtype, param1type> params(object, function, p1) ;
 112     void *result =
 113         MPRemoteCall( wxMacFunctor::CallBackProc , &params , kMPOwningProcessRemoteContext ) ;
 114     return result ;
 115 }
 116
 117 template<typename classtype, typename param1type>
 118 void* wxMacMPRemoteCall( classtype *object , void (classtype::*function)( const param1type& p1 ) , param1type p1 )
 119 {
 120     wxMacObjectFunctor1<classtype,param1type> params(object, function, p1) ;
 121     void *result =
 122         MPRemoteCall( wxMacFunctor::CallBackProc , &params , kMPOwningProcessRemoteContext ) ;
 123     return result ;
 124 }
 125
 126 template<typename classtype, typename param1type>
 127 void* wxMacMPRemoteGUICall( classtype *object , void (classtype::*function)( param1type p1 ) , param1type p1 )
 128 {
 129     wxMutexGuiLeave() ;
 130     void *result = wxMacMPRemoteCall( object , function , p1 ) ;
 131     wxMutexGuiEnter() ;
 132     return result ;
 133 }
 134
 135 template<typename classtype, typename param1type>
 136 void* wxMacMPRemoteGUICall( classtype *object , void (classtype::*function)( const param1type& p1 ) , param1type p1 )
 137 {
 138     wxMutexGuiLeave() ;
 139     void *result = wxMacMPRemoteCall( object , function , p1 ) ;
 140     wxMutexGuiEnter() ;
 141     return result ;
 142 }
 143
 144
 145 // common parts for implementations based on MLTE
 146
 147 class wxMacMLTEControl : public wxMacTextControl
 148 {
 149 public :
 150     wxMacMLTEControl( wxTextCtrl *peer ) ;
 151
 152     virtual wxString GetStringValue() const ;
 153     virtual void SetStringValue( const wxString &str ) ;
 154
 155     static TXNFrameOptions FrameOptionsFromWXStyle( long wxStyle ) ;
 156
 157     void AdjustCreationAttributes( const wxColour& background, bool visible ) ;
 158
 159     virtual void SetFont( const wxFont & font, const wxColour& foreground, long windowStyle ) ;
 160     virtual void SetBackground( const wxBrush &brush ) ;
 161     virtual void SetStyle( long start, long end, const wxTextAttr& style ) ;
 162     virtual void Copy() ;
 163     virtual void Cut() ;
 164     virtual void Paste() ;
 165     virtual bool CanPaste() const ;
 166     virtual void SetEditable( bool editable ) ;
 167     virtual wxTextPos GetLastPosition() const ;
 168     virtual void Replace( long from, long to, const wxString &str ) ;
 169     virtual void Remove( long from, long to ) ;
 170     virtual void GetSelection( long* from, long* to ) const ;
 171     virtual void SetSelection( long from, long to ) ;
 172
 173     virtual void WriteText( const wxString& str ) ;
 174
 175     virtual bool HasOwnContextMenu() const
 176     {
 177 #if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_4
 178         if ( UMAGetSystemVersion() >= 0x1040 )
 179         {
 180             TXNCommandEventSupportOptions options ;
 181             TXNGetCommandEventSupport( m_txn , & options ) ;
 182             return options & kTXNSupportEditCommandProcessing ;
 183         }
 184 #endif
 185
 186         return false ;
 187     }
 188
 189     virtual void CheckSpelling(bool check)
 190     {
 191 #if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_4
 192     TXNSetSpellCheckAsYouType( m_txn, (Boolean) check );
 193 #endif
 194     }
 195     virtual void Clear() ;
 196
 197     virtual bool CanUndo() const ;
 198     virtual void Undo() ;
 199     virtual bool CanRedo()  const;
 200     virtual void Redo() ;
 201     virtual int GetNumberOfLines() const ;
 202     virtual long XYToPosition(long x, long y) const ;
 203     virtual bool PositionToXY(long pos, long *x, long *y) const ;
 204     virtual void ShowPosition( long pos ) ;
 205     virtual int GetLineLength(long lineNo) const ;
 206     virtual wxString GetLineText(long lineNo) const ;
 207
 208     void SetTXNData( const wxString& st , TXNOffset start , TXNOffset end ) ;
 209     TXNObject GetTXNObject() { return m_txn ; }
 210
 211 protected :
 212     void TXNSetAttribute( const wxTextAttr& style , long from , long to ) ;
 213
 214     TXNObject m_txn ;
 215 } ;
 216
 217 // implementation available under OSX
 218
 219 class wxMacMLTEHIViewControl : public wxMacMLTEControl
 220 {
 221 public :
 222     wxMacMLTEHIViewControl( wxTextCtrl *wxPeer,
 223                              const wxString& str,
 224                              const wxPoint& pos,
 225                              const wxSize& size, long style ) ;
 226     virtual ~wxMacMLTEHIViewControl() ;
 227
 228     virtual OSStatus SetFocus( ControlFocusPart focusPart ) ;
 229     virtual bool HasFocus() const ;
 230     virtual void SetBackground( const wxBrush &brush) ;
 231
 232 protected :
 233     HIViewRef m_scrollView ;
 234     HIViewRef m_textView ;
 235 };
 236
 237 // 'classic' MLTE implementation
 238
 239 class wxMacMLTEClassicControl : public wxMacMLTEControl
 240 {
 241 public :
 242     wxMacMLTEClassicControl( wxTextCtrl *wxPeer,
 243                              const wxString& str,
 244                              const wxPoint& pos,
 245                              const wxSize& size, long style ) ;
 246     virtual ~wxMacMLTEClassicControl() ;
 247
 248     virtual void VisibilityChanged(bool shown) ;
 249     virtual void SuperChangedPosition() ;
 250
 251     virtual void            MacControlUserPaneDrawProc(wxInt16 part) ;
 252     virtual wxInt16         MacControlUserPaneHitTestProc(wxInt16 x, wxInt16 y) ;
 253     virtual wxInt16         MacControlUserPaneTrackingProc(wxInt16 x, wxInt16 y, void* actionProc) ;
 254     virtual void            MacControlUserPaneIdleProc() ;
 255     virtual wxInt16         MacControlUserPaneKeyDownProc(wxInt16 keyCode, wxInt16 charCode, wxInt16 modifiers) ;
 256     virtual void            MacControlUserPaneActivateProc(bool activating) ;
 257     virtual wxInt16         MacControlUserPaneFocusProc(wxInt16 action) ;
 258     virtual void            MacControlUserPaneBackgroundProc(void* info) ;
 259
 260     virtual bool SetupCursor( const wxPoint& WXUNUSED(pt) )
 261     {
 262         MacControlUserPaneIdleProc();
 263         return true;
 264     }
 265
 266     virtual void            SetRect( Rect *r ) ;
 267
 268 protected :
 269     OSStatus                 DoCreate();
 270
 271     void                    MacUpdatePosition() ;
 272     void                    MacActivatePaneText(bool setActive) ;
 273     void                    MacFocusPaneText(bool setFocus) ;
 274     void                    MacSetObjectVisibility(bool vis) ;
 275
 276 private :
 277     TXNFrameID              m_txnFrameID ;
 278     GrafPtr                 m_txnPort ;
 279     WindowRef               m_txnWindow ;
 280     // bounds of the control as we last did set the txn frames
 281     Rect                    m_txnControlBounds ;
 282     Rect                    m_txnVisBounds ;
 283
 284     static pascal void TXNScrollActionProc( ControlRef controlRef , ControlPartCode partCode ) ;
 285     static pascal void TXNScrollInfoProc(
 286         SInt32 iValue, SInt32 iMaximumValue,
 287         TXNScrollBarOrientation iScrollBarOrientation, SInt32 iRefCon ) ;
 288
 289     ControlRef              m_sbHorizontal ;
 290     SInt32                  m_lastHorizontalValue ;
 291     ControlRef              m_sbVertical ;
 292     SInt32                  m_lastVerticalValue ;
 293 };
 294
 295
 296 IMPLEMENT_DYNAMIC_CLASS(wxTextCtrl, wxTextCtrlBase)
 297
 298 BEGIN_EVENT_TABLE(wxTextCtrl, wxTextCtrlBase)
 299     EVT_ERASE_BACKGROUND( wxTextCtrl::OnEraseBackground )
 300     EVT_DROP_FILES(wxTextCtrl::OnDropFiles)
 301     EVT_CHAR(wxTextCtrl::OnChar)
 302     EVT_MENU(wxID_CUT, wxTextCtrl::OnCut)
 303     EVT_MENU(wxID_COPY, wxTextCtrl::OnCopy)
 304     EVT_MENU(wxID_PASTE, wxTextCtrl::OnPaste)
 305     EVT_MENU(wxID_UNDO, wxTextCtrl::OnUndo)
 306     EVT_MENU(wxID_REDO, wxTextCtrl::OnRedo)
 307     EVT_MENU(wxID_CLEAR, wxTextCtrl::OnDelete)
 308     EVT_MENU(wxID_SELECTALL, wxTextCtrl::OnSelectAll)
 309
 310     EVT_CONTEXT_MENU(wxTextCtrl::OnContextMenu)
 311
 312     EVT_UPDATE_UI(wxID_CUT, wxTextCtrl::OnUpdateCut)
 313     EVT_UPDATE_UI(wxID_COPY, wxTextCtrl::OnUpdateCopy)
 314     EVT_UPDATE_UI(wxID_PASTE, wxTextCtrl::OnUpdatePaste)
 315     EVT_UPDATE_UI(wxID_UNDO, wxTextCtrl::OnUpdateUndo)
 316     EVT_UPDATE_UI(wxID_REDO, wxTextCtrl::OnUpdateRedo)
 317     EVT_UPDATE_UI(wxID_CLEAR, wxTextCtrl::OnUpdateDelete)
 318     EVT_UPDATE_UI(wxID_SELECTALL, wxTextCtrl::OnUpdateSelectAll)
 319 END_EVENT_TABLE()
 320
 321
 322 void wxTextCtrl::Init()
 323 {
 324     m_editable = true ;
 325     m_dirty = false;
 326
 327     m_maxLength = 0;
 328     m_privateContextMenu = NULL;
 329     m_triggerOnSetValue = true ;
 330 }
 331
 332 wxTextCtrl::~wxTextCtrl()
 333 {
 334     delete m_privateContextMenu;
 335 }
 336
 337 bool wxTextCtrl::Create( wxWindow *parent,
 338     wxWindowID id,
 339     const wxString& str,
 340     const wxPoint& pos,
 341     const wxSize& size,
 342     long style,
 343     const wxValidator& validator,
 344     const wxString& name )
 345 {
 346     m_macIsUserPane = false ;
 347     m_editable = true ;
 348
 349     if ( ! (style & wxNO_BORDER) )
 350         style = (style & ~wxBORDER_MASK) | wxSUNKEN_BORDER ;
 351
 352     if ( !wxTextCtrlBase::Create( parent, id, pos, size, style & ~(wxHSCROLL | wxVSCROLL), validator, name ) )
 353         return false;
 354
 355     if ( m_windowStyle & wxTE_MULTILINE )
 356     {
 357         // always turn on this style for multi-line controls
 358         m_windowStyle |= wxTE_PROCESS_ENTER;
 359         style |= wxTE_PROCESS_ENTER ;
 360     }
 361
 362     CreatePeer( str, pos, size, style );
 363
 364     MacPostControlCreate(pos, size) ;
 365
 366     // only now the embedding is correct and we can do a positioning update
 367
 368     MacSuperChangedPosition() ;
 369
 370     if ( m_windowStyle & wxTE_READONLY)
 371         SetEditable( false ) ;
 372
 373     SetCursor( wxCursor( wxCURSOR_IBEAM ) ) ;
 374
 375     return true;
 376 }
 377
 378 void wxTextCtrl::CreatePeer(
 379            const wxString& str,
 380            const wxPoint& pos,
 381            const wxSize& size, long style )
 382 {
 383     bool forceMLTE = false ;
 384
 385 #if wxUSE_SYSTEM_OPTIONS
 386     if (wxSystemOptions::HasOption( wxMAC_TEXTCONTROL_USE_MLTE ) && (wxSystemOptions::GetOptionInt( wxMAC_TEXTCONTROL_USE_MLTE ) == 1))
 387     {
 388         forceMLTE = true ;
 389     }
 390 #endif
 391
 392     if ( UMAGetSystemVersion() >= 0x1050 )
 393         forceMLTE = false;
 394
 395     if ( !forceMLTE )
 396     {
 397         if ( m_windowStyle & wxTE_MULTILINE )
 398             m_peer = new wxMacMLTEHIViewControl( this , str , pos , size , style ) ;
 399     }
 400
 401     if ( !m_peer )
 402     {
 403         if ( !(m_windowStyle & wxTE_MULTILINE) && !forceMLTE )
 404         {
 405             m_peer = new wxMacUnicodeTextControl( this , str , pos , size , style ) ;
 406         }
 407     }
 408
 409     // the horizontal single line scrolling bug that made us keep the classic implementation
 410     // is fixed in 10.5
 411 #if MAC_OS_X_VERSION_MIN_REQUIRED < MAC_OS_X_VERSION_10_5
 412     if ( !m_peer )
 413         m_peer = new wxMacMLTEClassicControl( this , str , pos , size , style ) ;
 414 #endif
 415 }
 416
 417 void wxTextCtrl::MacSuperChangedPosition()
 418 {
 419     wxWindow::MacSuperChangedPosition() ;
 420     GetPeer()->SuperChangedPosition() ;
 421 }
 422
 423 void wxTextCtrl::MacVisibilityChanged()
 424 {
 425     GetPeer()->VisibilityChanged( MacIsReallyShown() ) ;
 426 }
 427
 428 void wxTextCtrl::MacEnabledStateChanged()
 429 {
 430 }
 431
 432 void wxTextCtrl::MacCheckSpelling(bool check)
 433 {
 434     GetPeer()->CheckSpelling(check);
 435 }
 436
 437 wxString wxTextCtrl::GetValue() const
 438 {
 439     return GetPeer()->GetStringValue() ;
 440 }
 441
 442 void wxTextCtrl::GetSelection(long* from, long* to) const
 443 {
 444     GetPeer()->GetSelection( from , to ) ;
 445 }
 446
 447 void wxTextCtrl::DoSetValue(const wxString& str, int flags)
 448 {
 449     // optimize redraws
 450     if ( GetValue() == str )
 451         return;
 452
 453     GetPeer()->SetStringValue( str ) ;
 454
 455     if ( (flags & SetValue_SendEvent) && m_triggerOnSetValue )
 456     {
 457         SendTextUpdatedEvent();
 458     }
 459 }
 460
 461 void wxTextCtrl::SetMaxLength(unsigned long len)
 462 {
 463     m_maxLength = len ;
 464 }
 465
 466 bool wxTextCtrl::SetFont( const wxFont& font )
 467 {
 468     if ( !wxTextCtrlBase::SetFont( font ) )
 469         return false ;
 470
 471     GetPeer()->SetFont( font , GetForegroundColour() , GetWindowStyle() ) ;
 472
 473     return true ;
 474 }
 475
 476 bool wxTextCtrl::SetStyle(long start, long end, const wxTextAttr& style)
 477 {
 478     GetPeer()->SetStyle( start , end , style ) ;
 479
 480     return true ;
 481 }
 482
 483 bool wxTextCtrl::SetDefaultStyle(const wxTextAttr& style)
 484 {
 485     wxTextCtrlBase::SetDefaultStyle( style ) ;
 486     SetStyle( kTXNUseCurrentSelection , kTXNUseCurrentSelection , GetDefaultStyle() ) ;
 487
 488     return true ;
 489 }
 490
 491 // Clipboard operations
 492
 493 void wxTextCtrl::Copy()
 494 {
 495     if (CanCopy())
 496         GetPeer()->Copy() ;
 497 }
 498
 499 void wxTextCtrl::Cut()
 500 {
 501     if (CanCut())
 502     {
 503         GetPeer()->Cut() ;
 504
 505         wxCommandEvent event( wxEVT_COMMAND_TEXT_UPDATED, m_windowId );
 506         event.SetEventObject( this );
 507         GetEventHandler()->ProcessEvent( event );
 508       }
 509 }
 510
 511 void wxTextCtrl::Paste()
 512 {
 513     if (CanPaste())
 514     {
 515         GetPeer()->Paste() ;
 516
 517         // TODO: eventually we should add setting the default style again
 518
 519         wxCommandEvent event( wxEVT_COMMAND_TEXT_UPDATED, m_windowId );
 520         event.SetEventObject( this );
 521         GetEventHandler()->ProcessEvent( event );
 522     }
 523 }
 524
 525 bool wxTextCtrl::CanCopy() const
 526 {
 527     // Can copy if there's a selection
 528     long from, to;
 529     GetSelection( &from, &to );
 530
 531     return (from != to);
 532 }
 533
 534 bool wxTextCtrl::CanCut() const
 535 {
 536     if ( !IsEditable() )
 537         return false;
 538
 539     // Can cut if there's a selection
 540     long from, to;
 541     GetSelection( &from, &to );
 542
 543     return (from != to);
 544 }
 545
 546 bool wxTextCtrl::CanPaste() const
 547 {
 548     if (!IsEditable())
 549         return false;
 550
 551     return GetPeer()->CanPaste() ;
 552 }
 553
 554 void wxTextCtrl::SetEditable(bool editable)
 555 {
 556     if ( editable != m_editable )
 557     {
 558         m_editable = editable ;
 559         GetPeer()->SetEditable( editable ) ;
 560     }
 561 }
 562
 563 void wxTextCtrl::SetInsertionPoint(long pos)
 564 {
 565     SetSelection( pos , pos ) ;
 566 }
 567
 568 void wxTextCtrl::SetInsertionPointEnd()
 569 {
 570     wxTextPos pos = GetLastPosition();
 571     SetInsertionPoint( pos );
 572 }
 573
 574 long wxTextCtrl::GetInsertionPoint() const
 575 {
 576     long begin, end ;
 577     GetSelection( &begin , &end ) ;
 578
 579     return begin ;
 580 }
 581
 582 wxTextPos wxTextCtrl::GetLastPosition() const
 583 {
 584     return GetPeer()->GetLastPosition() ;
 585 }
 586
 587 void wxTextCtrl::Replace(long from, long to, const wxString& str)
 588 {
 589     GetPeer()->Replace( from , to , str ) ;
 590 }
 591
 592 void wxTextCtrl::Remove(long from, long to)
 593 {
 594     GetPeer()->Remove( from , to ) ;
 595 }
 596
 597 void wxTextCtrl::SetSelection(long from, long to)
 598 {
 599     GetPeer()->SetSelection( from , to ) ;
 600 }
 601
 602 void wxTextCtrl::WriteText(const wxString& str)
 603 {
 604     // TODO: this MPRemoting will be moved into a remoting peer proxy for any command
 605     if ( !wxIsMainThread() )
 606     {
 607         // unfortunately CW 8 is not able to correctly deduce the template types,
 608         // so we have to instantiate explicitly
 609         wxMacMPRemoteGUICall<wxTextCtrl,wxString>( this , &wxTextCtrl::WriteText , str ) ;
 610
 611         return ;
 612     }
 613
 614     GetPeer()->WriteText( str ) ;
 615 }
 616
 617 void wxTextCtrl::AppendText(const wxString& text)
 618 {
 619     SetInsertionPointEnd();
 620     WriteText( text );
 621 }
 622
 623 void wxTextCtrl::Clear()
 624 {
 625     GetPeer()->Clear() ;
 626 }
 627
 628 bool wxTextCtrl::IsModified() const
 629 {
 630     return m_dirty;
 631 }
 632
 633 bool wxTextCtrl::IsEditable() const
 634 {
 635     return IsEnabled() && m_editable ;
 636 }
 637
 638 bool wxTextCtrl::AcceptsFocus() const
 639 {
 640     // we don't want focus if we can't be edited
 641     return /*IsEditable() && */ wxControl::AcceptsFocus();
 642 }
 643
 644 wxSize wxTextCtrl::DoGetBestSize() const
 645 {
 646     int wText, hText;
 647
 648     // these are the numbers from the HIG:
 649     // we reduce them by the borders first
 650     wText = 100 ;
 651
 652     switch ( m_windowVariant )
 653     {
 654         case wxWINDOW_VARIANT_NORMAL :
 655             hText = 22 - 6 ;
 656             break ;
 657
 658         case wxWINDOW_VARIANT_SMALL :
 659             hText = 19 - 6 ;
 660             break ;
 661
 662         case wxWINDOW_VARIANT_MINI :
 663             hText = 15 - 6 ;
 664             break ;
 665
 666         default :
 667             hText = 22 - 6;
 668             break ;
 669     }
 670
 671     // as the above numbers have some free space around the text
 672     // we get 5 lines like this anyway
 673     if ( m_windowStyle & wxTE_MULTILINE )
 674          hText *= 5 ;
 675
 676     if ( !HasFlag(wxNO_BORDER) )
 677         hText += 6 ;
 678
 679     return wxSize(wText, hText);
 680 }
 681
 682 // ----------------------------------------------------------------------------
 683 // Undo/redo
 684 // ----------------------------------------------------------------------------
 685
 686 void wxTextCtrl::Undo()
 687 {
 688     if (CanUndo())
 689         GetPeer()->Undo() ;
 690 }
 691
 692 void wxTextCtrl::Redo()
 693 {
 694     if (CanRedo())
 695         GetPeer()->Redo() ;
 696 }
 697
 698 bool wxTextCtrl::CanUndo() const
 699 {
 700     if ( !IsEditable() )
 701         return false ;
 702
 703     return GetPeer()->CanUndo() ;
 704 }
 705
 706 bool wxTextCtrl::CanRedo() const
 707 {
 708     if ( !IsEditable() )
 709         return false ;
 710
 711     return GetPeer()->CanRedo() ;
 712 }
 713
 714 void wxTextCtrl::MarkDirty()
 715 {
 716     m_dirty = true;
 717 }
 718
 719 void wxTextCtrl::DiscardEdits()
 720 {
 721     m_dirty = false;
 722 }
 723
 724 int wxTextCtrl::GetNumberOfLines() const
 725 {
 726     return GetPeer()->GetNumberOfLines() ;
 727 }
 728
 729 long wxTextCtrl::XYToPosition(long x, long y) const
 730 {
 731     return GetPeer()->XYToPosition( x , y ) ;
 732 }
 733
 734 bool wxTextCtrl::PositionToXY(long pos, long *x, long *y) const
 735 {
 736     return GetPeer()->PositionToXY( pos , x , y ) ;
 737 }
 738
 739 void wxTextCtrl::ShowPosition(long pos)
 740 {
 741     return GetPeer()->ShowPosition(pos) ;
 742 }
 743
 744 int wxTextCtrl::GetLineLength(long lineNo) const
 745 {
 746     return GetPeer()->GetLineLength(lineNo) ;
 747 }
 748
 749 wxString wxTextCtrl::GetLineText(long lineNo) const
 750 {
 751     return GetPeer()->GetLineText(lineNo) ;
 752 }
 753
 754 void wxTextCtrl::Command(wxCommandEvent & event)
 755 {
 756     SetValue(event.GetString());
 757     ProcessCommand(event);
 758 }
 759
 760 void wxTextCtrl::OnDropFiles(wxDropFilesEvent& event)
 761 {
 762     // By default, load the first file into the text window.
 763     if (event.GetNumberOfFiles() > 0)
 764         LoadFile( event.GetFiles()[0] );
 765 }
 766
 767 void wxTextCtrl::OnEraseBackground(wxEraseEvent& event)
 768 {
 769     // all erasing should be done by the real mac control implementation
 770     // while this is true for MLTE under classic, the HITextView is somehow
 771     // transparent but background erase is not working correctly, so intercept
 772     // things while we can...
 773     event.Skip() ;
 774 }
 775
 776 void wxTextCtrl::OnChar(wxKeyEvent& event)
 777 {
 778     int key = event.GetKeyCode() ;
 779     bool eat_key = false ;
 780
 781     if ( key == 'a' && event.MetaDown() )
 782     {
 783         SelectAll() ;
 784
 785         return ;
 786     }
 787
 788     if ( key == 'c' && event.MetaDown() )
 789     {
 790         if ( CanCopy() )
 791             Copy() ;
 792
 793         return ;
 794     }
 795
 796     if ( !IsEditable() && key != WXK_LEFT && key != WXK_RIGHT && key != WXK_DOWN && key != WXK_UP && key != WXK_TAB &&
 797         !( key == WXK_RETURN && ( (m_windowStyle & wxTE_PROCESS_ENTER) || (m_windowStyle & wxTE_MULTILINE) ) )
 798 //        && key != WXK_PAGEUP && key != WXK_PAGEDOWN && key != WXK_HOME && key != WXK_END
 799         )
 800     {
 801         // eat it
 802         return ;
 803     }
 804
 805     // Check if we have reached the max # of chars (if it is set), but still
 806     // allow navigation and deletion
 807     if ( !IsMultiLine() && m_maxLength && GetValue().length() >= m_maxLength &&
 808         key != WXK_LEFT && key != WXK_RIGHT && key != WXK_TAB &&
 809         key != WXK_BACK && !( key == WXK_RETURN && (m_windowStyle & wxTE_PROCESS_ENTER) )
 810        )
 811     {
 812         // eat it, we don't want to add more than allowed # of characters
 813
 814         // TODO: generate EVT_TEXT_MAXLEN()
 815         return;
 816     }
 817
 818     // assume that any key not processed yet is going to modify the control
 819     m_dirty = true;
 820
 821     if ( key == 'v' && event.MetaDown() )
 822     {
 823         if ( CanPaste() )
 824             Paste() ;
 825
 826         return ;
 827     }
 828
 829     if ( key == 'x' && event.MetaDown() )
 830     {
 831         if ( CanCut() )
 832             Cut() ;
 833
 834         return ;
 835     }
 836
 837     switch ( key )
 838     {
 839         case WXK_RETURN:
 840             if (m_windowStyle & wxTE_PROCESS_ENTER)
 841             {
 842                 wxCommandEvent event(wxEVT_COMMAND_TEXT_ENTER, m_windowId);
 843                 event.SetEventObject( this );
 844                 event.SetString( GetValue() );
 845                 if ( GetEventHandler()->ProcessEvent(event) )
 846                     return;
 847             }
 848
 849             if ( !(m_windowStyle & wxTE_MULTILINE) )
 850             {
 851                 wxTopLevelWindow *tlw = wxDynamicCast(wxGetTopLevelParent(this), wxTopLevelWindow);
 852                 if ( tlw && tlw->GetDefaultItem() )
 853                 {
 854                     wxButton *def = wxDynamicCast(tlw->GetDefaultItem(), wxButton);
 855                     if ( def && def->IsEnabled() )
 856                     {
 857                         wxCommandEvent event(wxEVT_COMMAND_BUTTON_CLICKED, def->GetId() );
 858                         event.SetEventObject(def);
 859                         def->Command(event);
 860
 861                         return ;
 862                     }
 863                 }
 864
 865                 // this will make wxWidgets eat the ENTER key so that
 866                 // we actually prevent line wrapping in a single line text control
 867                 eat_key = true;
 868             }
 869             break;
 870
 871         case WXK_TAB:
 872             if ( !(m_windowStyle & wxTE_PROCESS_TAB))
 873             {
 874                 int flags = 0;
 875                 if (!event.ShiftDown())
 876                     flags |= wxNavigationKeyEvent::IsForward ;
 877                 if (event.ControlDown())
 878                     flags |= wxNavigationKeyEvent::WinChange ;
 879                 Navigate(flags);
 880
 881                 return;
 882             }
 883             else
 884             {
 885                 // This is necessary (don't know why);
 886                 // otherwise the tab will not be inserted.
 887                 WriteText(wxT("\t"));
 888                 eat_key = true;
 889             }
 890             break;
 891
 892         default:
 893             break;
 894     }
 895
 896     if (!eat_key)
 897     {
 898         // perform keystroke handling
 899         event.Skip(true) ;
 900     }
 901
 902     if ( ( key >= 0x20 && key < WXK_START ) ||
 903          ( key >= WXK_NUMPAD0 && key <= WXK_DIVIDE ) ||
 904          key == WXK_RETURN ||
 905          key == WXK_DELETE ||
 906          key == WXK_BACK)
 907     {
 908         wxCommandEvent event1(wxEVT_COMMAND_TEXT_UPDATED, m_windowId);
 909         event1.SetEventObject( this );
 910         wxPostEvent( GetEventHandler(), event1 );
 911     }
 912 }
 913
 914 // ----------------------------------------------------------------------------
 915 // standard handlers for standard edit menu events
 916 // ----------------------------------------------------------------------------
 917
 918 void wxTextCtrl::OnCut(wxCommandEvent& WXUNUSED(event))
 919 {
 920     Cut();
 921 }
 922
 923 void wxTextCtrl::OnCopy(wxCommandEvent& WXUNUSED(event))
 924 {
 925     Copy();
 926 }
 927
 928 void wxTextCtrl::OnPaste(wxCommandEvent& WXUNUSED(event))
 929 {
 930     Paste();
 931 }
 932
 933 void wxTextCtrl::OnUndo(wxCommandEvent& WXUNUSED(event))
 934 {
 935     Undo();
 936 }
 937
 938 void wxTextCtrl::OnRedo(wxCommandEvent& WXUNUSED(event))
 939 {
 940     Redo();
 941 }
 942
 943 void wxTextCtrl::OnDelete(wxCommandEvent& WXUNUSED(event))
 944 {
 945     long from, to;
 946
 947     GetSelection( &from, &to );
 948     if (from != -1 && to != -1)
 949         Remove( from, to );
 950 }
 951
 952 void wxTextCtrl::OnSelectAll(wxCommandEvent& WXUNUSED(event))
 953 {
 954     SetSelection(-1, -1);
 955 }
 956
 957 void wxTextCtrl::OnUpdateCut(wxUpdateUIEvent& event)
 958 {
 959     event.Enable( CanCut() );
 960 }
 961
 962 void wxTextCtrl::OnUpdateCopy(wxUpdateUIEvent& event)
 963 {
 964     event.Enable( CanCopy() );
 965 }
 966
 967 void wxTextCtrl::OnUpdatePaste(wxUpdateUIEvent& event)
 968 {
 969     event.Enable( CanPaste() );
 970 }
 971
 972 void wxTextCtrl::OnUpdateUndo(wxUpdateUIEvent& event)
 973 {
 974     event.Enable( CanUndo() );
 975 }
 976
 977 void wxTextCtrl::OnUpdateRedo(wxUpdateUIEvent& event)
 978 {
 979     event.Enable( CanRedo() );
 980 }
 981
 982 void wxTextCtrl::OnUpdateDelete(wxUpdateUIEvent& event)
 983 {
 984     long from, to;
 985
 986     GetSelection( &from, &to );
 987     event.Enable( from != -1 && to != -1 && from != to && IsEditable() ) ;
 988 }
 989
 990 void wxTextCtrl::OnUpdateSelectAll(wxUpdateUIEvent& event)
 991 {
 992     event.Enable(GetLastPosition() > 0);
 993 }
 994
 995 // CS: Context Menus only work with MLTE implementations or non-multiline HIViews at the moment
 996
 997 void wxTextCtrl::OnContextMenu(wxContextMenuEvent& event)
 998 {
 999     if ( GetPeer()->HasOwnContextMenu() )
1000     {
1001         event.Skip() ;
1002         return ;
1003     }
1004
1005     if (m_privateContextMenu == NULL)
1006     {
1007         m_privateContextMenu = new wxMenu;
1008         m_privateContextMenu->Append(wxID_UNDO, _("&Undo"));
1009         m_privateContextMenu->Append(wxID_REDO, _("&Redo"));
1010         m_privateContextMenu->AppendSeparator();
1011         m_privateContextMenu->Append(wxID_CUT, _("Cu&t"));
1012         m_privateContextMenu->Append(wxID_COPY, _("&Copy"));
1013         m_privateContextMenu->Append(wxID_PASTE, _("&Paste"));
1014         m_privateContextMenu->Append(wxID_CLEAR, _("&Delete"));
1015         m_privateContextMenu->AppendSeparator();
1016         m_privateContextMenu->Append(wxID_SELECTALL, _("Select &All"));
1017     }
1018
1019     if (m_privateContextMenu != NULL)
1020         PopupMenu(m_privateContextMenu);
1021 }
1022
1023 bool wxTextCtrl::MacSetupCursor( const wxPoint& pt )
1024 {
1025     if ( !GetPeer()->SetupCursor( pt ) )
1026         return wxWindow::MacSetupCursor( pt ) ;
1027     else
1028         return true ;
1029 }
1030
1031 #if !TARGET_API_MAC_OSX
1032
1033 // user pane implementation
1034
1035 void wxTextCtrl::MacControlUserPaneDrawProc(wxInt16 part)
1036 {
1037     GetPeer()->MacControlUserPaneDrawProc( part ) ;
1038 }
1039
1040 wxInt16 wxTextCtrl::MacControlUserPaneHitTestProc(wxInt16 x, wxInt16 y)
1041 {
1042     return GetPeer()->MacControlUserPaneHitTestProc( x , y ) ;
1043 }
1044
1045 wxInt16 wxTextCtrl::MacControlUserPaneTrackingProc(wxInt16 x, wxInt16 y, void* actionProc)
1046 {
1047     return GetPeer()->MacControlUserPaneTrackingProc( x , y , actionProc ) ;
1048 }
1049
1050 void wxTextCtrl::MacControlUserPaneIdleProc()
1051 {
1052     GetPeer()->MacControlUserPaneIdleProc( ) ;
1053 }
1054
1055 wxInt16 wxTextCtrl::MacControlUserPaneKeyDownProc(wxInt16 keyCode, wxInt16 charCode, wxInt16 modifiers)
1056 {
1057     return GetPeer()->MacControlUserPaneKeyDownProc( keyCode , charCode , modifiers ) ;
1058 }
1059
1060 void wxTextCtrl::MacControlUserPaneActivateProc(bool activating)
1061 {
1062     GetPeer()->MacControlUserPaneActivateProc( activating ) ;
1063 }
1064
1065 wxInt16 wxTextCtrl::MacControlUserPaneFocusProc(wxInt16 action)
1066 {
1067     return GetPeer()->MacControlUserPaneFocusProc( action ) ;
1068 }
1069
1070 void wxTextCtrl::MacControlUserPaneBackgroundProc(void* info)
1071 {
1072     GetPeer()->MacControlUserPaneBackgroundProc( info ) ;
1073 }
1074
1075 #endif
1076
1077 // ----------------------------------------------------------------------------
1078 // implementation base class
1079 // ----------------------------------------------------------------------------
1080
1081 wxMacTextControl::wxMacTextControl(wxTextCtrl* peer) :
1082     wxMacControl( peer )
1083 {
1084 }
1085
1086 wxMacTextControl::~wxMacTextControl()
1087 {
1088 }
1089
1090 void wxMacTextControl::SetStyle(long WXUNUSED(start),
1091                                 long WXUNUSED(end),
1092                                 const wxTextAttr& WXUNUSED(style))
1093 {
1094 }
1095
1096 void wxMacTextControl::Copy()
1097 {
1098 }
1099
1100 void wxMacTextControl::Cut()
1101 {
1102 }
1103
1104 void wxMacTextControl::Paste()
1105 {
1106 }
1107
1108 bool wxMacTextControl::CanPaste() const
1109 {
1110     return false ;
1111 }
1112
1113 void wxMacTextControl::SetEditable(bool WXUNUSED(editable))
1114 {
1115 }
1116
1117 wxTextPos wxMacTextControl::GetLastPosition() const
1118 {
1119     return GetStringValue().length() ;
1120 }
1121
1122 void wxMacTextControl::Replace( long from , long to , const wxString &val )
1123 {
1124     SetSelection( from , to ) ;
1125     WriteText( val ) ;
1126 }
1127
1128 void wxMacTextControl::Remove( long from , long to )
1129 {
1130     SetSelection( from , to ) ;
1131     WriteText( wxEmptyString) ;
1132 }
1133
1134 void wxMacTextControl::Clear()
1135 {
1136     SetStringValue( wxEmptyString ) ;
1137 }
1138
1139 bool wxMacTextControl::CanUndo() const
1140 {
1141     return false ;
1142 }
1143
1144 void wxMacTextControl::Undo()
1145 {
1146 }
1147
1148 bool wxMacTextControl::CanRedo()  const
1149 {
1150     return false ;
1151 }
1152
1153 void wxMacTextControl::Redo()
1154 {
1155 }
1156
1157 long wxMacTextControl::XYToPosition(long WXUNUSED(x), long WXUNUSED(y)) const
1158 {
1159     return 0 ;
1160 }
1161
1162 bool wxMacTextControl::PositionToXY(long WXUNUSED(pos),
1163                                     long *WXUNUSED(x),
1164                                     long *WXUNUSED(y)) const
1165 {
1166     return false ;
1167 }
1168
1169 void wxMacTextControl::ShowPosition( long WXUNUSED(pos) )
1170 {
1171 }
1172
1173 int wxMacTextControl::GetNumberOfLines() const
1174 {
1175     ItemCount lines = 0 ;
1176     wxString content = GetStringValue() ;
1177     lines = 1;
1178
1179     for (size_t i = 0; i < content.length() ; i++)
1180     {
1181         if (content[i] == '\r')
1182             lines++;
1183     }
1184
1185     return lines ;
1186 }
1187
1188 wxString wxMacTextControl::GetLineText(long lineNo) const
1189 {
1190     // TODO: change this if possible to reflect real lines
1191     wxString content = GetStringValue() ;
1192
1193     // Find line first
1194     int count = 0;
1195     for (size_t i = 0; i < content.length() ; i++)
1196     {
1197         if (count == lineNo)
1198         {
1199             // Add chars in line then
1200             wxString tmp;
1201
1202             for (size_t j = i; j < content.length(); j++)
1203             {
1204                 if (content[j] == '\n')
1205                     return tmp;
1206
1207                 tmp += content[j];
1208             }
1209
1210             return tmp;
1211         }
1212
1213         if (content[i] == '\n')
1214             count++;
1215     }
1216
1217     return wxEmptyString ;
1218 }
1219
1220 int wxMacTextControl::GetLineLength(long lineNo) const
1221 {
1222     // TODO: change this if possible to reflect real lines
1223     wxString content = GetStringValue() ;
1224
1225     // Find line first
1226     int count = 0;
1227     for (size_t i = 0; i < content.length() ; i++)
1228     {
1229         if (count == lineNo)
1230         {
1231             // Count chars in line then
1232             count = 0;
1233             for (size_t j = i; j < content.length(); j++)
1234             {
1235                 count++;
1236                 if (content[j] == '\n')
1237                     return count;
1238             }
1239
1240             return count;
1241         }
1242
1243         if (content[i] == '\n')
1244             count++;
1245     }
1246
1247     return 0 ;
1248 }
1249
1250 // ----------------------------------------------------------------------------
1251 // standard unicode control implementation
1252 // ----------------------------------------------------------------------------
1253
1254 #if TARGET_API_MAC_OSX
1255
1256 // the current unicode textcontrol implementation has a bug : only if the control
1257 // is currently having the focus, the selection can be retrieved by the corresponding
1258 // data tag. So we have a mirroring using a member variable
1259 // TODO : build event table using virtual member functions for wxMacControl
1260
1261 static const EventTypeSpec unicodeTextControlEventList[] =
1262 {
1263     { kEventClassControl , kEventControlSetFocusPart } ,
1264 } ;
1265
1266 static pascal OSStatus wxMacUnicodeTextControlControlEventHandler( EventHandlerCallRef handler , EventRef event , void *data )
1267 {
1268     OSStatus result = eventNotHandledErr ;
1269     wxMacUnicodeTextControl* focus = (wxMacUnicodeTextControl*) data ;
1270     wxMacCarbonEvent cEvent( event ) ;
1271
1272     switch ( GetEventKind( event ) )
1273     {
1274         case kEventControlSetFocusPart :
1275         {
1276             ControlPartCode controlPart = cEvent.GetParameter<ControlPartCode>(kEventParamControlPart , typeControlPartCode );
1277             if ( controlPart == kControlFocusNoPart )
1278             {
1279                 // about to loose focus -> store selection to field
1280                 focus->GetData<ControlEditTextSelectionRec>( 0, kControlEditTextSelectionTag, &focus->m_selection );
1281             }
1282             result = CallNextEventHandler(handler,event) ;
1283             if ( controlPart != kControlFocusNoPart )
1284             {
1285                 // about to gain focus -> set selection from field
1286                 focus->SetData<ControlEditTextSelectionRec>( 0, kControlEditTextSelectionTag, &focus->m_selection );
1287             }
1288             break;
1289         }
1290         default:
1291             break ;
1292     }
1293
1294     return result ;
1295 }
1296
1297 static pascal OSStatus wxMacUnicodeTextControlEventHandler( EventHandlerCallRef handler , EventRef event , void *data )
1298 {
1299     OSStatus result = eventNotHandledErr ;
1300
1301     switch ( GetEventClass( event ) )
1302     {
1303         case kEventClassControl :
1304             result = wxMacUnicodeTextControlControlEventHandler( handler , event , data ) ;
1305             break ;
1306
1307         default :
1308             break ;
1309     }
1310     return result ;
1311 }
1312
1313 DEFINE_ONE_SHOT_HANDLER_GETTER( wxMacUnicodeTextControlEventHandler )
1314
1315 wxMacUnicodeTextControl::wxMacUnicodeTextControl( wxTextCtrl *wxPeer ) : wxMacTextControl( wxPeer )
1316 {
1317 }
1318
1319 wxMacUnicodeTextControl::wxMacUnicodeTextControl( wxTextCtrl *wxPeer,
1320     const wxString& str,
1321     const wxPoint& pos,
1322     const wxSize& size, long style )
1323     : wxMacTextControl( wxPeer )
1324 {
1325     Create( wxPeer, str, pos, size, style );
1326 }
1327
1328 bool wxMacUnicodeTextControl::Create( wxTextCtrl *wxPeer,
1329     const wxString& str,
1330     const wxPoint& pos,
1331     const wxSize& size, long style )
1332 {
1333     m_font = wxPeer->GetFont() ;
1334     m_windowStyle = style ;
1335     m_selection.selStart = m_selection.selEnd = 0;
1336     Rect bounds = wxMacGetBoundsForControl( wxPeer , pos , size ) ;
1337     wxString st = str ;
1338     wxMacConvertNewlines10To13( &st ) ;
1339     wxMacCFStringHolder cf(st , m_font.GetEncoding()) ;
1340     CFStringRef cfr = cf ;
1341
1342     m_valueTag = kControlEditTextCFStringTag ;
1343     CreateControl( wxPeer, &bounds, cfr );
1344
1345     if ( !(m_windowStyle & wxTE_MULTILINE) )
1346         SetData<Boolean>( kControlEditTextPart , kControlEditTextSingleLineTag , true ) ;
1347
1348     InstallControlEventHandler( m_controlRef , GetwxMacUnicodeTextControlEventHandlerUPP(),
1349                                 GetEventTypeCount(unicodeTextControlEventList), unicodeTextControlEventList, this,
1350                                 NULL);
1351
1352     return true;
1353 }
1354
1355 wxMacUnicodeTextControl::~wxMacUnicodeTextControl()
1356 {
1357 }
1358
1359 void wxMacUnicodeTextControl::VisibilityChanged(bool shown)
1360 {
1361     if ( !(m_windowStyle & wxTE_MULTILINE) && shown )
1362     {
1363         // work around a refresh issue insofar as not always the entire content is shown,
1364         // even if this would be possible
1365         ControlEditTextSelectionRec sel ;
1366         CFStringRef value = NULL ;
1367
1368         verify_noerr( GetData<ControlEditTextSelectionRec>( 0, kControlEditTextSelectionTag, &sel ) );
1369         verify_noerr( GetData<CFStringRef>( 0, m_valueTag, &value ) );
1370         verify_noerr( SetData<CFStringRef>( 0, m_valueTag, &value ) );
1371         verify_noerr( SetData<ControlEditTextSelectionRec>( 0, kControlEditTextSelectionTag, &sel ) );
1372
1373         CFRelease( value ) ;
1374     }
1375 }
1376
1377 wxString wxMacUnicodeTextControl::GetStringValue() const
1378 {
1379     wxString result ;
1380     CFStringRef value = GetData<CFStringRef>(0, m_valueTag) ;
1381     if ( value )
1382     {
1383         wxMacCFStringHolder cf(value) ;
1384         result = cf.AsString() ;
1385     }
1386
1387 #if '\n' == 10
1388     wxMacConvertNewlines13To10( &result ) ;
1389 #else
1390     wxMacConvertNewlines10To13( &result ) ;
1391 #endif
1392
1393     return result ;
1394 }
1395
1396 void wxMacUnicodeTextControl::SetStringValue( const wxString &str )
1397 {
1398     wxString st = str ;
1399     wxMacConvertNewlines10To13( &st ) ;
1400     wxMacCFStringHolder cf( st , m_font.GetEncoding() ) ;
1401     verify_noerr( SetData<CFStringRef>( 0, m_valueTag , cf ) ) ;
1402 }
1403
1404 void wxMacUnicodeTextControl::CreateControl( wxTextCtrl* peer, const Rect* bounds, CFStringRef cfr )
1405 {
1406     Boolean isPassword = ( m_windowStyle & wxTE_PASSWORD ) != 0 ;
1407     if ( isPassword )
1408     {
1409         m_valueTag = kControlEditTextPasswordCFStringTag ;
1410     }
1411     OSStatus err = CreateEditUnicodeTextControl(
1412         MAC_WXHWND(peer->MacGetTopLevelWindowRef()), bounds , cfr ,
1413         isPassword , NULL , &m_controlRef ) ;
1414     verify_noerr( err );
1415 }
1416
1417 void wxMacUnicodeTextControl::Copy()
1418 {
1419     SendHICommand( kHICommandCopy ) ;
1420 }
1421
1422 void wxMacUnicodeTextControl::Cut()
1423 {
1424     SendHICommand( kHICommandCut ) ;
1425 }
1426
1427 void wxMacUnicodeTextControl::Paste()
1428 {
1429     SendHICommand( kHICommandPaste ) ;
1430 }
1431
1432 bool wxMacUnicodeTextControl::CanPaste() const
1433 {
1434     return true ;
1435 }
1436
1437 void wxMacUnicodeTextControl::SetEditable(bool WXUNUSED(editable))
1438 {
1439 #if 0 // leads to problem because text cannot be selected anymore
1440     SetData<Boolean>( kControlEditTextPart , kControlEditTextLockedTag , (Boolean) !editable ) ;
1441 #endif
1442 }
1443
1444 void wxMacUnicodeTextControl::GetSelection( long* from, long* to ) const
1445 {
1446     ControlEditTextSelectionRec sel ;
1447     if (HasFocus())
1448         verify_noerr( GetData<ControlEditTextSelectionRec>( 0, kControlEditTextSelectionTag, &sel ) ) ;
1449     else
1450         sel = m_selection ;
1451
1452     if ( from )
1453         *from = sel.selStart ;
1454     if ( to )
1455         *to = sel.selEnd ;
1456 }
1457
1458 void wxMacUnicodeTextControl::SetSelection( long from , long to )
1459 {
1460     ControlEditTextSelectionRec sel ;
1461     wxString result ;
1462     int textLength = 0 ;
1463     CFStringRef value = GetData<CFStringRef>(0, m_valueTag) ;
1464     if ( value )
1465     {
1466         wxMacCFStringHolder cf(value) ;
1467         textLength = cf.AsString().length() ;
1468     }
1469
1470     if ((from == -1) && (to == -1))
1471     {
1472         from = 0 ;
1473         to = textLength ;
1474     }
1475     else
1476     {
1477         from = wxMin(textLength,wxMax(from,0)) ;
1478         to = wxMax(0,wxMin(textLength,to)) ;
1479     }
1480
1481     sel.selStart = from ;
1482     sel.selEnd = to ;
1483     if ( HasFocus() )
1484         SetData<ControlEditTextSelectionRec>( 0, kControlEditTextSelectionTag, &sel ) ;
1485     else
1486         m_selection = sel;
1487 }
1488
1489 void wxMacUnicodeTextControl::WriteText( const wxString& str )
1490 {
1491     wxString st = str ;
1492     wxMacConvertNewlines10To13( &st ) ;
1493
1494     if ( HasFocus() )
1495     {
1496         wxMacCFStringHolder cf(st , m_font.GetEncoding() ) ;
1497         CFStringRef value = cf ;
1498         SetData<CFStringRef>( 0, kControlEditTextInsertCFStringRefTag, &value );
1499     }
1500     else
1501     {
1502         wxString val = GetStringValue() ;
1503         long start , end ;
1504         GetSelection( &start , &end ) ;
1505         val.Remove( start , end - start ) ;
1506         val.insert( start , str ) ;
1507         SetStringValue( val ) ;
1508         SetSelection( start + str.length() , start + str.length() ) ;
1509     }
1510 }
1511
1512 #endif
1513
1514 // ----------------------------------------------------------------------------
1515 // MLTE control implementation (common part)
1516 // ----------------------------------------------------------------------------
1517
1518 // if MTLE is read only, no changes at all are allowed, not even from
1519 // procedural API, in order to allow changes via API all the same we must undo
1520 // the readonly status while we are executing, this class helps to do so
1521
1522 class wxMacEditHelper
1523 {
1524 public :
1525     wxMacEditHelper( TXNObject txn )
1526     {
1527         TXNControlTag tag[] = { kTXNIOPrivilegesTag } ;
1528         m_txn = txn ;
1529         TXNGetTXNObjectControls( m_txn , 1 , tag , m_data ) ;
1530         if ( m_data[0].uValue == kTXNReadOnly )
1531         {
1532             TXNControlData data[] = { { kTXNReadWrite } } ;
1533             TXNSetTXNObjectControls( m_txn , false , 1 , tag , data ) ;
1534         }
1535     }
1536
1537     ~wxMacEditHelper()
1538     {
1539         TXNControlTag tag[] = { kTXNIOPrivilegesTag } ;
1540         if ( m_data[0].uValue == kTXNReadOnly )
1541             TXNSetTXNObjectControls( m_txn , false , 1 , tag , m_data ) ;
1542     }
1543
1544 protected :
1545     TXNObject m_txn ;
1546     TXNControlData m_data[1] ;
1547 } ;
1548
1549 wxMacMLTEControl::wxMacMLTEControl( wxTextCtrl *peer )
1550     : wxMacTextControl( peer )
1551 {
1552     SetNeedsFocusRect( true ) ;
1553 }
1554
1555 wxString wxMacMLTEControl::GetStringValue() const
1556 {
1557     wxString result ;
1558     OSStatus err ;
1559     Size actualSize = 0;
1560
1561     {
1562 #if wxUSE_UNICODE
1563         Handle theText ;
1564         err = TXNGetDataEncoded( m_txn, kTXNStartOffset, kTXNEndOffset, &theText, kTXNUnicodeTextData );
1565
1566         // all done
1567         if ( err != noErr )
1568         {
1569             actualSize = 0 ;
1570         }
1571         else
1572         {
1573             actualSize = GetHandleSize( theText ) / sizeof(UniChar) ;
1574             if ( actualSize > 0 )
1575             {
1576                 wxChar *ptr = NULL ;
1577
1578 #if SIZEOF_WCHAR_T == 2
1579                 ptr = new wxChar[actualSize + 1] ;
1580                 wxStrncpy( ptr , (wxChar*)(*theText) , actualSize ) ;
1581 #else
1582                 SetHandleSize( theText, (actualSize + 1) * sizeof(UniChar) ) ;
1583                 HLock( theText ) ;
1584                 (((UniChar*)*theText)[actualSize]) = 0 ;
1585                 wxMBConvUTF16 converter ;
1586                 size_t noChars = converter.MB2WC( NULL , (const char*)*theText , 0 ) ;
1587                 wxASSERT_MSG( noChars != wxCONV_FAILED, _T("Unable to count the number of characters in this string!") );
1588                 ptr = new wxChar[noChars + 1] ;
1589
1590                 noChars = converter.MB2WC( ptr , (const char*)*theText , noChars + 1 ) ;
1591                 wxASSERT_MSG( noChars != wxCONV_FAILED, _T("Conversion of string failed!") );
1592                 ptr[noChars] = 0 ;
1593                 HUnlock( theText ) ;
1594 #endif
1595
1596                 ptr[actualSize] = 0 ;
1597                 result = wxString( ptr ) ;
1598                 delete [] ptr ;
1599             }
1600
1601             DisposeHandle( theText ) ;
1602         }
1603 #else
1604         Handle theText ;
1605         err = TXNGetDataEncoded( m_txn , kTXNStartOffset, kTXNEndOffset, &theText, kTXNTextData );
1606
1607         // all done
1608         if ( err != noErr )
1609         {
1610             actualSize = 0 ;
1611         }
1612         else
1613         {
1614             actualSize = GetHandleSize( theText ) ;
1615             if ( actualSize > 0 )
1616             {
1617                 HLock( theText ) ;
1618                 result = wxString( *theText , wxConvLocal , actualSize ) ;
1619                 HUnlock( theText ) ;
1620             }
1621
1622             DisposeHandle( theText ) ;
1623         }
1624 #endif
1625     }
1626
1627 #if '\n' == 10
1628     wxMacConvertNewlines13To10( &result ) ;
1629 #else
1630     wxMacConvertNewlines10To13( &result ) ;
1631 #endif
1632
1633     return result ;
1634 }
1635
1636 void wxMacMLTEControl::SetStringValue( const wxString &str )
1637 {
1638     wxString st = str;
1639     wxMacConvertNewlines10To13( &st );
1640
1641     {
1642 #ifndef __LP64__
1643         wxMacWindowClipper c( m_peer ) ;
1644 #endif
1645
1646         {
1647             wxMacEditHelper help( m_txn );
1648             SetTXNData( st, kTXNStartOffset, kTXNEndOffset );
1649         }
1650
1651         TXNSetSelection( m_txn, 0, 0 );
1652         TXNShowSelection( m_txn, kTXNShowStart );
1653     }
1654 }
1655
1656 TXNFrameOptions wxMacMLTEControl::FrameOptionsFromWXStyle( long wxStyle )
1657 {
1658     TXNFrameOptions frameOptions = kTXNDontDrawCaretWhenInactiveMask;
1659
1660     frameOptions |= kTXNDoFontSubstitutionMask;
1661
1662     if ( ! (wxStyle & wxTE_NOHIDESEL) )
1663         frameOptions |= kTXNDontDrawSelectionWhenInactiveMask ;
1664
1665     if ( wxStyle & (wxHSCROLL | wxTE_DONTWRAP) )
1666         frameOptions |= kTXNWantHScrollBarMask ;
1667
1668     if ( wxStyle & wxTE_MULTILINE )
1669     {
1670         frameOptions |= kTXNAlwaysWrapAtViewEdgeMask ;
1671
1672         if ( !(wxStyle & wxTE_NO_VSCROLL) )
1673         {
1674             frameOptions |= kTXNWantVScrollBarMask ;
1675
1676             // The following code causes drawing problems on 10.4. Perhaps it can be restored for
1677             // older versions of the OS, but I'm not sure it's appropriate to put a grow icon here
1678             // anyways, as AFAIK users can't actually use it to resize the text ctrl.
1679 //            if ( frameOptions & kTXNWantHScrollBarMask )
1680 //                frameOptions |= kTXNDrawGrowIconMask ;
1681         }
1682     }
1683     else
1684     {
1685         frameOptions |= kTXNSingleLineOnlyMask ;
1686     }
1687
1688     return frameOptions ;
1689 }
1690
1691 void wxMacMLTEControl::AdjustCreationAttributes(const wxColour &background,
1692                                                 bool WXUNUSED(visible))
1693 {
1694     TXNControlTag iControlTags[] =
1695         {
1696             kTXNDoFontSubstitution,
1697             kTXNWordWrapStateTag ,
1698         };
1699     TXNControlData iControlData[] =
1700         {
1701             { true },
1702             { kTXNNoAutoWrap },
1703         };
1704
1705     int toptag = WXSIZEOF( iControlTags ) ;
1706
1707     if ( m_windowStyle & wxTE_MULTILINE )
1708     {
1709         iControlData[1].uValue =
1710             (m_windowStyle & wxTE_DONTWRAP)
1711             ? kTXNNoAutoWrap
1712             : kTXNAutoWrap;
1713     }
1714
1715     OSStatus err = TXNSetTXNObjectControls( m_txn, false, toptag, iControlTags, iControlData ) ;
1716     verify_noerr( err );
1717
1718     // setting the default font:
1719     // under 10.2 this causes a visible caret, therefore we avoid it
1720
1721     Str255 fontName ;
1722     SInt16 fontSize ;
1723     Style fontStyle ;
1724
1725     GetThemeFont( kThemeSystemFont , GetApplicationScript() , fontName , &fontSize , &fontStyle ) ;
1726
1727     TXNTypeAttributes typeAttr[] =
1728     {
1729         { kTXNQDFontNameAttribute , kTXNQDFontNameAttributeSize , { (void*) fontName } } ,
1730         { kTXNQDFontSizeAttribute , kTXNFontSizeAttributeSize , { (void*) (fontSize << 16) } } ,
1731         { kTXNQDFontStyleAttribute , kTXNQDFontStyleAttributeSize , { (void*) normal } } ,
1732     } ;
1733
1734     err = TXNSetTypeAttributes(
1735         m_txn, sizeof(typeAttr) / sizeof(TXNTypeAttributes),
1736         typeAttr, kTXNStartOffset, kTXNEndOffset );
1737     verify_noerr( err );
1738
1739     if ( m_windowStyle & wxTE_PASSWORD )
1740     {
1741         UniChar c = 0x00A5 ;
1742         err = TXNEchoMode( m_txn , c , 0 , true );
1743         verify_noerr( err );
1744     }
1745
1746     TXNBackground tback;
1747     tback.bgType = kTXNBackgroundTypeRGB;
1748     tback.bg.color = MAC_WXCOLORREF( background.GetPixel() );
1749     TXNSetBackground( m_txn , &tback );
1750
1751 #if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_4
1752     if ( UMAGetSystemVersion() >= 0x1040 )
1753     {
1754         TXNCommandEventSupportOptions options ;
1755         if ( TXNGetCommandEventSupport( m_txn, &options ) == noErr )
1756         {
1757             options |=
1758                 kTXNSupportEditCommandProcessing
1759                 | kTXNSupportEditCommandUpdating
1760                 | kTXNSupportFontCommandProcessing
1761                 | kTXNSupportFontCommandUpdating;
1762
1763             // only spell check when not read-only
1764             // use system options for the default
1765             bool checkSpelling = false ;
1766             if ( !(m_windowStyle & wxTE_READONLY) )
1767             {
1768 #if wxUSE_SYSTEM_OPTIONS
1769                 if ( wxSystemOptions::HasOption( wxMAC_TEXTCONTROL_USE_SPELL_CHECKER ) && (wxSystemOptions::GetOptionInt( wxMAC_TEXTCONTROL_USE_SPELL_CHECKER ) == 1) )
1770                 {
1771                     checkSpelling = true ;
1772                 }
1773 #endif
1774             }
1775
1776             if ( checkSpelling )
1777                 options |=
1778                     kTXNSupportSpellCheckCommandProcessing
1779                     | kTXNSupportSpellCheckCommandUpdating;
1780
1781             TXNSetCommandEventSupport( m_txn , options ) ;
1782         }
1783     }
1784 #endif
1785 }
1786
1787 void wxMacMLTEControl::SetBackground( const wxBrush &brush )
1788 {
1789     // currently only solid background are supported
1790     TXNBackground tback;
1791
1792     tback.bgType = kTXNBackgroundTypeRGB;
1793     tback.bg.color = MAC_WXCOLORREF( brush.GetColour().GetPixel() );
1794     TXNSetBackground( m_txn , &tback );
1795 }
1796
1797 static inline int wxConvertToTXN(int x)
1798 {
1799     return wx_static_cast(int, x / 254.0 * 72 + 0.5);
1800 }
1801
1802 void wxMacMLTEControl::TXNSetAttribute( const wxTextAttr& style , long from , long to )
1803 {
1804     TXNTypeAttributes typeAttr[4] ;
1805     RGBColor color ;
1806     size_t typeAttrCount = 0 ;
1807
1808     TXNMargins margins;
1809     TXNControlTag    controlTags[4];
1810     TXNControlData   controlData[4];
1811     size_t controlAttrCount = 0;
1812
1813     TXNTab* tabs = NULL;
1814
1815     bool relayout = false;
1816
1817     if ( style.HasFont() )
1818     {
1819         wxASSERT( typeAttrCount < WXSIZEOF(typeAttr) );
1820         const wxFont &font = style.GetFont() ;
1821         typeAttr[typeAttrCount].tag = kTXNATSUIStyle ;
1822         typeAttr[typeAttrCount].size = kTXNATSUIStyleSize ;
1823         typeAttr[typeAttrCount].data.dataPtr = font.MacGetATSUStyle() ;
1824         typeAttrCount++ ;
1825     }
1826
1827     if ( style.HasTextColour() )
1828     {
1829         wxASSERT( typeAttrCount < WXSIZEOF(typeAttr) );
1830         color = MAC_WXCOLORREF(style.GetTextColour().GetPixel()) ;
1831
1832         typeAttr[typeAttrCount].tag = kTXNQDFontColorAttribute ;
1833         typeAttr[typeAttrCount].size = kTXNQDFontColorAttributeSize ;
1834         typeAttr[typeAttrCount].data.dataPtr = (void*) &color ;
1835         typeAttrCount++ ;
1836     }
1837
1838     if ( style.HasAlignment() )
1839     {
1840         wxASSERT( controlAttrCount < WXSIZEOF(controlTags) );
1841         SInt32 align;
1842
1843         switch ( style.GetAlignment() )
1844         {
1845             case wxTEXT_ALIGNMENT_LEFT:
1846                 align = kTXNFlushLeft;
1847                 break;
1848             case wxTEXT_ALIGNMENT_CENTRE:
1849                 align = kTXNCenter;
1850                 break;
1851             case wxTEXT_ALIGNMENT_RIGHT:
1852                 align = kTXNFlushRight;
1853                 break;
1854             case wxTEXT_ALIGNMENT_JUSTIFIED:
1855                 align = kTXNFullJust;
1856                 break;
1857             default :
1858             case wxTEXT_ALIGNMENT_DEFAULT:
1859                 align = kTXNFlushDefault;
1860                 break;
1861         }
1862
1863         controlTags[controlAttrCount] = kTXNJustificationTag ;
1864         controlData[controlAttrCount].sValue = align ;
1865         controlAttrCount++ ;
1866     }
1867
1868     if ( style.HasLeftIndent() || style.HasRightIndent() )
1869     {
1870         wxASSERT( controlAttrCount < WXSIZEOF(controlTags) );
1871         controlTags[controlAttrCount] = kTXNMarginsTag;
1872         controlData[controlAttrCount].marginsPtr = &margins;
1873         verify_noerr( TXNGetTXNObjectControls (m_txn, 1 ,
1874                                 &controlTags[controlAttrCount], &controlData[controlAttrCount]) );
1875         if ( style.HasLeftIndent() )
1876         {
1877             margins.leftMargin = wxConvertToTXN(style.GetLeftIndent());
1878         }
1879         if ( style.HasRightIndent() )
1880         {
1881             margins.rightMargin = wxConvertToTXN(style.GetRightIndent());
1882         }
1883         controlAttrCount++ ;
1884     }
1885
1886     if ( style.HasTabs() )
1887     {
1888         const wxArrayInt& tabarray = style.GetTabs();
1889         // unfortunately Mac only applies a tab distance, not individually different tabs
1890         controlTags[controlAttrCount] = kTXNTabSettingsTag;
1891         if ( tabarray.size() > 0 )
1892             controlData[controlAttrCount].tabValue.value = wxConvertToTXN(tabarray[0]);
1893         else
1894             controlData[controlAttrCount].tabValue.value = 72 ;
1895
1896         controlData[controlAttrCount].tabValue.tabType = kTXNLeftTab;
1897         controlAttrCount++ ;
1898     }
1899
1900     // unfortunately the relayout is not automatic
1901     if ( controlAttrCount > 0 )
1902     {
1903         verify_noerr( TXNSetTXNObjectControls (m_txn, false /* don't clear all */, controlAttrCount,
1904                                 controlTags, controlData) );
1905         relayout = true;
1906     }
1907
1908     if ( typeAttrCount > 0 )
1909     {
1910         verify_noerr( TXNSetTypeAttributes( m_txn , typeAttrCount, typeAttr, from , to ) );
1911         relayout = true;
1912     }
1913
1914     if ( tabs != NULL )
1915     {
1916         delete[] tabs;
1917     }
1918
1919     if ( relayout )
1920     {
1921         TXNRecalcTextLayout( m_txn );
1922     }
1923 }
1924
1925 void wxMacMLTEControl::SetFont(const wxFont & font,
1926                                const wxColour& foreground,
1927                                long WXUNUSED(windowStyle))
1928 {
1929     wxMacEditHelper help( m_txn ) ;
1930     TXNSetAttribute( wxTextAttr( foreground, wxNullColour, font ), kTXNStartOffset, kTXNEndOffset ) ;
1931 }
1932
1933 void wxMacMLTEControl::SetStyle( long start, long end, const wxTextAttr& style )
1934 {
1935     wxMacEditHelper help( m_txn ) ;
1936     TXNSetAttribute( style, start, end ) ;
1937 }
1938
1939 void wxMacMLTEControl::Copy()
1940 {
1941     TXNCopy( m_txn );
1942 }
1943
1944 void wxMacMLTEControl::Cut()
1945 {
1946     TXNCut( m_txn );
1947 }
1948
1949 void wxMacMLTEControl::Paste()
1950 {
1951     TXNPaste( m_txn );
1952 }
1953
1954 bool wxMacMLTEControl::CanPaste() const
1955 {
1956     return TXNIsScrapPastable() ;
1957 }
1958
1959 void wxMacMLTEControl::SetEditable(bool editable)
1960 {
1961     TXNControlTag tag[] = { kTXNIOPrivilegesTag } ;
1962     TXNControlData data[] = { { editable ? kTXNReadWrite : kTXNReadOnly } } ;
1963     TXNSetTXNObjectControls( m_txn, false, WXSIZEOF(tag), tag, data ) ;
1964 }
1965
1966 wxTextPos wxMacMLTEControl::GetLastPosition() const
1967 {
1968     wxTextPos actualsize = 0 ;
1969
1970     Handle theText ;
1971     OSErr err = TXNGetDataEncoded( m_txn, kTXNStartOffset, kTXNEndOffset, &theText, kTXNTextData );
1972
1973     // all done
1974     if ( err == noErr )
1975     {
1976         actualsize = GetHandleSize( theText ) ;
1977         DisposeHandle( theText ) ;
1978     }
1979     else
1980     {
1981         actualsize = 0 ;
1982     }
1983
1984     return actualsize ;
1985 }
1986
1987 void wxMacMLTEControl::Replace( long from , long to , const wxString &str )
1988 {
1989     wxString value = str ;
1990     wxMacConvertNewlines10To13( &value ) ;
1991
1992     wxMacEditHelper help( m_txn ) ;
1993 #ifndef __LP64__
1994     wxMacWindowClipper c( m_peer ) ;
1995 #endif
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 #ifndef __LP64__
2005     wxMacWindowClipper c( m_peer ) ;
2006 #endif
2007     wxMacEditHelper help( m_txn ) ;
2008     TXNSetSelection( m_txn , from , to ) ;
2009     TXNClear( m_txn ) ;
2010 }
2011
2012 void wxMacMLTEControl::GetSelection( long* from, long* to) const
2013 {
2014     TXNOffset f,t ;
2015     TXNGetSelection( m_txn , &f , &t ) ;
2016     *from = f;
2017     *to = t;
2018 }
2019
2020 void wxMacMLTEControl::SetSelection( long from , long to )
2021 {
2022 #ifndef __LP64__
2023     wxMacWindowClipper c( m_peer ) ;
2024 #endif
2025
2026     // change the selection
2027     if ((from == -1) && (to == -1))
2028         TXNSelectAll( m_txn );
2029     else
2030         TXNSetSelection( m_txn, from, to );
2031
2032     TXNShowSelection( m_txn, kTXNShowStart );
2033 }
2034
2035 void wxMacMLTEControl::WriteText( const wxString& str )
2036 {
2037     wxString st = str ;
2038     wxMacConvertNewlines10To13( &st ) ;
2039
2040     long start , end , dummy ;
2041
2042     GetSelection( &start , &dummy ) ;
2043 #ifndef __LP64__
2044     wxMacWindowClipper c( m_peer ) ;
2045 #endif
2046
2047     {
2048         wxMacEditHelper helper( m_txn ) ;
2049         SetTXNData( st, kTXNUseCurrentSelection, kTXNUseCurrentSelection ) ;
2050     }
2051
2052     GetSelection( &dummy, &end ) ;
2053
2054     // TODO: SetStyle( start , end , GetDefaultStyle() ) ;
2055 }
2056
2057 void wxMacMLTEControl::Clear()
2058 {
2059 #ifndef __LP64__
2060     wxMacWindowClipper c( m_peer ) ;
2061 #endif
2062     wxMacEditHelper st( m_txn ) ;
2063     TXNSetSelection( m_txn , kTXNStartOffset , kTXNEndOffset ) ;
2064     TXNClear( m_txn ) ;
2065 }
2066
2067 bool wxMacMLTEControl::CanUndo() const
2068 {
2069     return TXNCanUndo( m_txn , NULL ) ;
2070 }
2071
2072 void wxMacMLTEControl::Undo()
2073 {
2074     TXNUndo( m_txn ) ;
2075 }
2076
2077 bool wxMacMLTEControl::CanRedo() const
2078 {
2079     return TXNCanRedo( m_txn , NULL ) ;
2080 }
2081
2082 void wxMacMLTEControl::Redo()
2083 {
2084     TXNRedo( m_txn ) ;
2085 }
2086
2087 int wxMacMLTEControl::GetNumberOfLines() const
2088 {
2089     ItemCount lines = 0 ;
2090     TXNGetLineCount( m_txn, &lines ) ;
2091
2092     return lines ;
2093 }
2094
2095 long wxMacMLTEControl::XYToPosition(long x, long y) const
2096 {
2097     Point curpt ;
2098     wxTextPos lastpos ;
2099
2100     // TODO: find a better implementation : while we can get the
2101     // line metrics of a certain line, we don't get its starting
2102     // position, so it would probably be rather a binary search
2103     // for the start position
2104     long xpos = 0, ypos = 0 ;
2105     int lastHeight = 0 ;
2106     ItemCount n ;
2107
2108     lastpos = GetLastPosition() ;
2109     for ( n = 0 ; n <= (ItemCount) lastpos ; ++n )
2110     {
2111         if ( y == ypos && x == xpos )
2112             return n ;
2113
2114         TXNOffsetToPoint( m_txn, n, &curpt ) ;
2115
2116         if ( curpt.v > lastHeight )
2117         {
2118             xpos = 0 ;
2119             if ( n > 0 )
2120                 ++ypos ;
2121
2122             lastHeight = curpt.v ;
2123         }
2124         else
2125             ++xpos ;
2126     }
2127
2128     return 0 ;
2129 }
2130
2131 bool wxMacMLTEControl::PositionToXY( long pos, long *x, long *y ) const
2132 {
2133     Point curpt ;
2134     wxTextPos lastpos ;
2135
2136     if ( y )
2137         *y = 0 ;
2138     if ( x )
2139         *x = 0 ;
2140
2141     lastpos = GetLastPosition() ;
2142     if ( pos <= lastpos )
2143     {
2144         // TODO: find a better implementation - while we can get the
2145         // line metrics of a certain line, we don't get its starting
2146         // position, so it would probably be rather a binary search
2147         // for the start position
2148         long xpos = 0, ypos = 0 ;
2149         int lastHeight = 0 ;
2150         ItemCount n ;
2151
2152         for ( n = 0 ; n <= (ItemCount) pos ; ++n )
2153         {
2154             TXNOffsetToPoint( m_txn, n, &curpt ) ;
2155
2156             if ( curpt.v > lastHeight )
2157             {
2158                 xpos = 0 ;
2159                 if ( n > 0 )
2160                     ++ypos ;
2161
2162                 lastHeight = curpt.v ;
2163             }
2164             else
2165                 ++xpos ;
2166         }
2167
2168         if ( y )
2169             *y = ypos ;
2170         if ( x )
2171             *x = xpos ;
2172     }
2173
2174     return false ;
2175 }
2176
2177 void wxMacMLTEControl::ShowPosition( long pos )
2178 {
2179     Point current, desired ;
2180     TXNOffset selstart, selend;
2181
2182     TXNGetSelection( m_txn, &selstart, &selend );
2183     TXNOffsetToPoint( m_txn, selstart, &current );
2184     TXNOffsetToPoint( m_txn, pos, &desired );
2185
2186     // TODO: use HIPoints for 10.3 and above
2187
2188     OSErr theErr = noErr;
2189     long dv = desired.v - current.v;
2190     long dh = desired.h - current.h;
2191     TXNShowSelection( m_txn, kTXNShowStart ) ; // NB: should this be kTXNShowStart or kTXNShowEnd ??
2192     theErr = TXNScroll( m_txn, kTXNScrollUnitsInPixels, kTXNScrollUnitsInPixels, &dv, &dh );
2193
2194     // there will be an error returned for classic MLTE implementation when the control is
2195     // invisible, but HITextView works correctly, so we don't assert that one
2196     // wxASSERT_MSG( theErr == noErr, _T("TXNScroll returned an error!") );
2197 }
2198
2199 void wxMacMLTEControl::SetTXNData( const wxString& st, TXNOffset start, TXNOffset end )
2200 {
2201 #if wxUSE_UNICODE
2202 #if SIZEOF_WCHAR_T == 2
2203     size_t len = st.length() ;
2204     TXNSetData( m_txn, kTXNUnicodeTextData, (void*)st.wc_str(), len * 2, start, end );
2205 #else
2206     wxMBConvUTF16 converter ;
2207     ByteCount byteBufferLen = converter.WC2MB( NULL, st.wc_str(), 0 ) ;
2208     UniChar *unibuf = (UniChar*)malloc( byteBufferLen ) ;
2209     converter.WC2MB( (char*)unibuf, st.wc_str(), byteBufferLen ) ;
2210     TXNSetData( m_txn, kTXNUnicodeTextData, (void*)unibuf, byteBufferLen, start, end ) ;
2211     free( unibuf ) ;
2212 #endif
2213 #else
2214     wxCharBuffer text = st.mb_str( wxConvLocal ) ;
2215     TXNSetData( m_txn, kTXNTextData, (void*)text.data(), strlen( text ), start, end ) ;
2216 #endif
2217 }
2218
2219 wxString wxMacMLTEControl::GetLineText(long lineNo) const
2220 {
2221     wxString line ;
2222
2223     if ( lineNo < GetNumberOfLines() )
2224     {
2225         Point firstPoint;
2226         Fixed lineWidth, lineHeight, currentHeight;
2227         long ypos ;
2228
2229         // get the first possible position in the control
2230         TXNOffsetToPoint(m_txn, 0, &firstPoint);
2231
2232         // Iterate through the lines until we reach the one we want,
2233         // adding to our current y pixel point position
2234         ypos = 0 ;
2235         currentHeight = 0;
2236         while (ypos < lineNo)
2237         {
2238             TXNGetLineMetrics(m_txn, ypos++, &lineWidth, &lineHeight);
2239             currentHeight += lineHeight;
2240         }
2241
2242         Point thePoint = { firstPoint.v + (currentHeight >> 16), firstPoint.h + (0) };
2243         TXNOffset theOffset;
2244         TXNPointToOffset(m_txn, thePoint, &theOffset);
2245
2246         wxString content = GetStringValue() ;
2247         Point currentPoint = thePoint;
2248         while (thePoint.v == currentPoint.v && theOffset < content.length())
2249         {
2250             line += content[theOffset];
2251             TXNOffsetToPoint(m_txn, ++theOffset, &currentPoint);
2252         }
2253     }
2254
2255     return line ;
2256 }
2257
2258 int wxMacMLTEControl::GetLineLength(long lineNo) const
2259 {
2260     int theLength = 0;
2261
2262     if ( lineNo < GetNumberOfLines() )
2263     {
2264         Point firstPoint;
2265         Fixed lineWidth, lineHeight, currentHeight;
2266         long ypos;
2267
2268         // get the first possible position in the control
2269         TXNOffsetToPoint(m_txn, 0, &firstPoint);
2270
2271         // Iterate through the lines until we reach the one we want,
2272         // adding to our current y pixel point position
2273         ypos = 0;
2274         currentHeight = 0;
2275         while (ypos < lineNo)
2276         {
2277             TXNGetLineMetrics(m_txn, ypos++, &lineWidth, &lineHeight);
2278             currentHeight += lineHeight;
2279         }
2280
2281         Point thePoint = { firstPoint.v + (currentHeight >> 16), firstPoint.h + (0) };
2282         TXNOffset theOffset;
2283         TXNPointToOffset(m_txn, thePoint, &theOffset);
2284
2285         wxString content = GetStringValue() ;
2286         Point currentPoint = thePoint;
2287         while (thePoint.v == currentPoint.v && theOffset < content.length())
2288         {
2289             ++theLength;
2290             TXNOffsetToPoint(m_txn, ++theOffset, &currentPoint);
2291         }
2292     }
2293
2294     return theLength ;
2295 }
2296
2297 #if MAC_OS_X_VERSION_MIN_REQUIRED < MAC_OS_X_VERSION_10_5
2298
2299 // ----------------------------------------------------------------------------
2300 // MLTE control implementation (classic part)
2301 // ----------------------------------------------------------------------------
2302
2303 // OS X Notes : We still don't have a full replacement for MLTE, so this implementation
2304 // has to live on. We have different problems coming from outdated implementations on the
2305 // various OS X versions. Most deal with the scrollbars: they are not correctly embedded
2306 // while this can be solved on 10.3 by reassigning them the correct place, on 10.2 there is
2307 // no way out, therefore we are using our own implementation and our own scrollbars ....
2308
2309 TXNScrollInfoUPP gTXNScrollInfoProc = NULL ;
2310 ControlActionUPP gTXNScrollActionProc = NULL ;
2311
2312 pascal void wxMacMLTEClassicControl::TXNScrollInfoProc(
2313     SInt32 iValue, SInt32 iMaximumValue,
2314     TXNScrollBarOrientation iScrollBarOrientation, SInt32 iRefCon )
2315 {
2316     wxMacMLTEClassicControl* mlte = (wxMacMLTEClassicControl*) iRefCon ;
2317     SInt32 value =  wxMax( iValue , 0 ) ;
2318     SInt32 maximum = wxMax( iMaximumValue , 0 ) ;
2319
2320     if ( iScrollBarOrientation == kTXNHorizontal )
2321     {
2322         if ( mlte->m_sbHorizontal )
2323         {
2324             SetControl32BitValue( mlte->m_sbHorizontal , value ) ;
2325             SetControl32BitMaximum( mlte->m_sbHorizontal , maximum ) ;
2326             mlte->m_lastHorizontalValue = value ;
2327         }
2328     }
2329     else if ( iScrollBarOrientation == kTXNVertical )
2330     {
2331         if ( mlte->m_sbVertical )
2332         {
2333             SetControl32BitValue( mlte->m_sbVertical , value ) ;
2334             SetControl32BitMaximum( mlte->m_sbVertical , maximum ) ;
2335             mlte->m_lastVerticalValue = value ;
2336         }
2337     }
2338 }
2339
2340 pascal void wxMacMLTEClassicControl::TXNScrollActionProc( ControlRef controlRef , ControlPartCode partCode )
2341 {
2342     wxMacMLTEClassicControl* mlte = (wxMacMLTEClassicControl*) GetControlReference( controlRef ) ;
2343     if ( mlte == NULL )
2344         return ;
2345
2346     if ( controlRef != mlte->m_sbVertical && controlRef != mlte->m_sbHorizontal )
2347         return ;
2348
2349     OSStatus err ;
2350     bool isHorizontal = ( controlRef == mlte->m_sbHorizontal ) ;
2351
2352     SInt32 minimum = 0 ;
2353     SInt32 maximum = GetControl32BitMaximum( controlRef ) ;
2354     SInt32 value = GetControl32BitValue( controlRef ) ;
2355     SInt32 delta = 0;
2356
2357     switch ( partCode )
2358     {
2359         case kControlDownButtonPart :
2360             delta = 10 ;
2361             break ;
2362
2363         case kControlUpButtonPart :
2364             delta = -10 ;
2365             break ;
2366
2367         case kControlPageDownPart :
2368             delta = GetControlViewSize( controlRef ) ;
2369             break ;
2370
2371         case kControlPageUpPart :
2372             delta = -GetControlViewSize( controlRef ) ;
2373             break ;
2374
2375         case kControlIndicatorPart :
2376             delta = value - (isHorizontal ? mlte->m_lastHorizontalValue : mlte->m_lastVerticalValue) ;
2377             break ;
2378
2379         default :
2380             break ;
2381     }
2382
2383     if ( delta != 0 )
2384     {
2385         SInt32 newValue = value ;
2386
2387         if ( partCode != kControlIndicatorPart )
2388         {
2389             if ( value + delta < minimum )
2390                 delta = minimum - value ;
2391             if ( value + delta > maximum )
2392                 delta = maximum - value ;
2393
2394             SetControl32BitValue( controlRef , value + delta ) ;
2395             newValue = value + delta ;
2396         }
2397
2398         SInt32 verticalDelta = isHorizontal ? 0 : delta ;
2399         SInt32 horizontalDelta = isHorizontal ? delta : 0 ;
2400
2401         err = TXNScroll(
2402             mlte->m_txn, kTXNScrollUnitsInPixels, kTXNScrollUnitsInPixels,
2403             &verticalDelta, &horizontalDelta );
2404         verify_noerr( err );
2405
2406         if ( isHorizontal )
2407             mlte->m_lastHorizontalValue = newValue ;
2408         else
2409             mlte->m_lastVerticalValue = newValue ;
2410     }
2411 }
2412
2413 // make correct activations
2414 void wxMacMLTEClassicControl::MacActivatePaneText(bool setActive)
2415 {
2416     wxTextCtrl* textctrl = (wxTextCtrl*) GetControlReference(m_controlRef);
2417
2418     wxMacWindowClipper clipper( textctrl ) ;
2419     TXNActivate( m_txn, m_txnFrameID, setActive );
2420
2421     ControlRef controlFocus = 0 ;
2422     GetKeyboardFocus( m_txnWindow , &controlFocus ) ;
2423     if ( controlFocus == m_controlRef )
2424         TXNFocus( m_txn, setActive );
2425 }
2426
2427 void wxMacMLTEClassicControl::MacFocusPaneText(bool setFocus)
2428 {
2429     TXNFocus( m_txn, setFocus );
2430 }
2431
2432 // guards against inappropriate redraw (hidden objects drawing onto window)
2433
2434 void wxMacMLTEClassicControl::MacSetObjectVisibility(bool vis)
2435 {
2436     ControlRef controlFocus = 0 ;
2437     GetKeyboardFocus( m_txnWindow , &controlFocus ) ;
2438
2439     if ( !vis && (controlFocus == m_controlRef ) )
2440         SetKeyboardFocus( m_txnWindow , m_controlRef , kControlFocusNoPart ) ;
2441
2442     TXNControlTag iControlTags[1] = { kTXNVisibilityTag };
2443     TXNControlData iControlData[1] = { { (UInt32)false } };
2444
2445     verify_noerr( TXNGetTXNObjectControls( m_txn , 1, iControlTags, iControlData ) ) ;
2446
2447     if ( iControlData[0].uValue != vis )
2448     {
2449         iControlData[0].uValue = vis ;
2450         verify_noerr( TXNSetTXNObjectControls( m_txn, false , 1, iControlTags, iControlData ) ) ;
2451     }
2452
2453     // currently, we always clip as partial visibility (overlapped) visibility is also a problem,
2454     // if we run into further problems we might set the FrameBounds to an empty rect here
2455 }
2456
2457 // make sure that the TXNObject is at the right position
2458
2459 void wxMacMLTEClassicControl::MacUpdatePosition()
2460 {
2461     wxTextCtrl* textctrl = (wxTextCtrl*)GetControlReference( m_controlRef );
2462     if ( textctrl == NULL )
2463         return ;
2464
2465     Rect bounds ;
2466     UMAGetControlBoundsInWindowCoords( m_controlRef, &bounds );
2467
2468     wxRect visRect = textctrl->MacGetClippedClientRect() ;
2469     Rect visBounds = { visRect.y , visRect.x , visRect.y + visRect.height , visRect.x + visRect.width } ;
2470     int x , y ;
2471     x = y = 0 ;
2472     textctrl->MacWindowToRootWindow( &x , &y ) ;
2473     OffsetRect( &visBounds , x , y ) ;
2474
2475     if ( !EqualRect( &bounds, &m_txnControlBounds ) || !EqualRect( &visBounds, &m_txnVisBounds ) )
2476     {
2477         m_txnControlBounds = bounds ;
2478         m_txnVisBounds = visBounds ;
2479         wxMacWindowClipper cl( textctrl ) ;
2480
2481         if ( m_sbHorizontal || m_sbVertical )
2482         {
2483             int w = bounds.right - bounds.left ;
2484             int h = bounds.bottom - bounds.top ;
2485
2486             if ( m_sbHorizontal )
2487             {
2488                 Rect sbBounds ;
2489
2490                 sbBounds.left = -1 ;
2491                 sbBounds.top = h - 14 ;
2492                 sbBounds.right = w + 1 ;
2493                 sbBounds.bottom = h + 1 ;
2494
2495                 SetControlBounds( m_sbHorizontal , &sbBounds ) ;
2496                 SetControlViewSize( m_sbHorizontal , w ) ;
2497             }
2498
2499             if ( m_sbVertical )
2500             {
2501                 Rect sbBounds ;
2502
2503                 sbBounds.left = w - 14 ;
2504                 sbBounds.top = -1 ;
2505                 sbBounds.right = w + 1 ;
2506                 sbBounds.bottom = m_sbHorizontal ? h - 14 : h + 1 ;
2507
2508                 SetControlBounds( m_sbVertical , &sbBounds ) ;
2509                 SetControlViewSize( m_sbVertical , h ) ;
2510             }
2511         }
2512
2513         Rect oldviewRect ;
2514         TXNLongRect olddestRect ;
2515         TXNGetRectBounds( m_txn , &oldviewRect , &olddestRect , NULL ) ;
2516
2517         Rect viewRect = { m_txnControlBounds.top, m_txnControlBounds.left,
2518             m_txnControlBounds.bottom - ( m_sbHorizontal ? 14 : 0 ) ,
2519             m_txnControlBounds.right - ( m_sbVertical ? 14 : 0 ) } ;
2520         TXNLongRect destRect = { m_txnControlBounds.top, m_txnControlBounds.left,
2521             m_txnControlBounds.bottom - ( m_sbHorizontal ? 14 : 0 ) ,
2522             m_txnControlBounds.right - ( m_sbVertical ? 14 : 0 ) } ;
2523
2524         if ( olddestRect.right >= 10000 )
2525             destRect.right = destRect.left + 32000 ;
2526
2527         if ( olddestRect.bottom >= 0x20000000 )
2528             destRect.bottom = destRect.top + 0x40000000 ;
2529
2530         SectRect( &viewRect , &visBounds , &viewRect ) ;
2531         TXNSetRectBounds( m_txn , &viewRect , &destRect , true ) ;
2532
2533 #if 0
2534         TXNSetFrameBounds(
2535             m_txn,
2536             m_txnControlBounds.top,
2537             m_txnControlBounds.left,
2538             m_txnControlBounds.bottom - (m_sbHorizontal ? 14 : 0),
2539             m_txnControlBounds.right - (m_sbVertical ? 14 : 0),
2540             m_txnFrameID );
2541 #endif
2542
2543         // the SetFrameBounds method under Classic sometimes does not correctly scroll a selection into sight after a
2544         // movement, therefore we have to force it
2545
2546         // this problem has been reported in OSX as well, so we use this here once again
2547
2548         TXNLongRect textRect ;
2549         TXNGetRectBounds( m_txn , NULL , NULL , &textRect ) ;
2550         if ( textRect.left < m_txnControlBounds.left )
2551             TXNShowSelection( m_txn , kTXNShowStart ) ;
2552     }
2553 }
2554
2555 void wxMacMLTEClassicControl::SetRect( Rect *r )
2556 {
2557     wxMacControl::SetRect( r ) ;
2558     MacUpdatePosition() ;
2559 }
2560
2561 void wxMacMLTEClassicControl::MacControlUserPaneDrawProc(wxInt16 WXUNUSED(thePart))
2562 {
2563     wxTextCtrl* textctrl = (wxTextCtrl*)GetControlReference( m_controlRef );
2564     if ( textctrl == NULL )
2565         return ;
2566
2567     if ( textctrl->MacIsReallyShown() )
2568     {
2569         wxMacWindowClipper clipper( textctrl ) ;
2570         TXNDraw( m_txn , NULL ) ;
2571     }
2572 }
2573
2574 wxInt16 wxMacMLTEClassicControl::MacControlUserPaneHitTestProc(wxInt16 x, wxInt16 y)
2575 {
2576     Point where = { y , x } ;
2577     ControlPartCode result = kControlNoPart;
2578
2579     wxTextCtrl* textctrl = (wxTextCtrl*) GetControlReference( m_controlRef );
2580     if ( (textctrl != NULL) && textctrl->MacIsReallyShown() )
2581     {
2582         if (PtInRect( where, &m_txnControlBounds ))
2583         {
2584             result = kControlEditTextPart ;
2585         }
2586         else
2587         {
2588             // sometimes we get the coords also in control local coordinates, therefore test again
2589             int x = 0 , y = 0 ;
2590             textctrl->MacClientToRootWindow( &x , &y ) ;
2591             where.h += x ;
2592             where.v += y ;
2593
2594             if (PtInRect( where, &m_txnControlBounds ))
2595                 result = kControlEditTextPart ;
2596         }
2597     }
2598
2599     return result;
2600 }
2601
2602 wxInt16 wxMacMLTEClassicControl::MacControlUserPaneTrackingProc( wxInt16 x, wxInt16 y, void* WXUNUSED(actionProc) )
2603 {
2604     ControlPartCode result = kControlNoPart;
2605
2606     wxTextCtrl* textctrl = (wxTextCtrl*) GetControlReference( m_controlRef );
2607     if ( (textctrl != NULL) && textctrl->MacIsReallyShown() )
2608     {
2609         Point startPt = { y , x } ;
2610
2611         // for compositing, we must convert these into toplevel window coordinates, because hittesting expects them
2612         int x = 0 , y = 0 ;
2613         textctrl->MacClientToRootWindow( &x , &y ) ;
2614         startPt.h += x ;
2615         startPt.v += y ;
2616
2617         switch (MacControlUserPaneHitTestProc( startPt.h , startPt.v ))
2618         {
2619             case kControlEditTextPart :
2620             {
2621                 wxMacWindowClipper clipper( textctrl ) ;
2622                 EventRecord rec ;
2623
2624                 ConvertEventRefToEventRecord( (EventRef) wxTheApp->MacGetCurrentEvent() , &rec ) ;
2625                 TXNClick( m_txn, &rec );
2626             }
2627                 break;
2628
2629             default :
2630                 break;
2631         }
2632     }
2633
2634     return result;
2635 }
2636
2637 void wxMacMLTEClassicControl::MacControlUserPaneIdleProc()
2638 {
2639     wxTextCtrl* textctrl = (wxTextCtrl*)GetControlReference( m_controlRef );
2640     if ( textctrl == NULL )
2641         return ;
2642
2643     if (textctrl->MacIsReallyShown())
2644     {
2645         if (IsControlActive(m_controlRef))
2646         {
2647             Point mousep;
2648
2649             wxMacWindowClipper clipper( textctrl ) ;
2650             GetMouse(&mousep);
2651
2652             TXNIdle(m_txn);
2653
2654             if (PtInRect(mousep, &m_txnControlBounds))
2655             {
2656                 RgnHandle theRgn = NewRgn();
2657                 RectRgn(theRgn, &m_txnControlBounds);
2658                 TXNAdjustCursor(m_txn, theRgn);
2659                 DisposeRgn(theRgn);
2660             }
2661         }
2662     }
2663 }
2664
2665 wxInt16 wxMacMLTEClassicControl::MacControlUserPaneKeyDownProc (wxInt16 keyCode, wxInt16 charCode, wxInt16 modifiers)
2666 {
2667     wxTextCtrl* textctrl = (wxTextCtrl*)GetControlReference( m_controlRef );
2668     if ( textctrl == NULL )
2669         return kControlNoPart;
2670
2671     wxMacWindowClipper clipper( textctrl ) ;
2672
2673     EventRecord ev ;
2674     memset( &ev , 0 , sizeof( ev ) ) ;
2675     ev.what = keyDown ;
2676     ev.modifiers = modifiers ;
2677     ev.message = ((keyCode << 8) & keyCodeMask) | (charCode & charCodeMask);
2678     TXNKeyDown( m_txn , &ev );
2679
2680     return kControlEntireControl;
2681 }
2682
2683 void wxMacMLTEClassicControl::MacControlUserPaneActivateProc(bool activating)
2684 {
2685     MacActivatePaneText( activating );
2686 }
2687
2688 wxInt16 wxMacMLTEClassicControl::MacControlUserPaneFocusProc(wxInt16 action)
2689 {
2690     ControlPartCode focusResult = kControlFocusNoPart;
2691
2692     wxTextCtrl* textctrl = (wxTextCtrl*)GetControlReference( m_controlRef );
2693     if ( textctrl == NULL )
2694         return focusResult;
2695
2696     wxMacWindowClipper clipper( textctrl ) ;
2697
2698     ControlRef controlFocus = NULL ;
2699     GetKeyboardFocus( m_txnWindow , &controlFocus ) ;
2700     bool wasFocused = ( controlFocus == m_controlRef ) ;
2701
2702     switch (action)
2703     {
2704         case kControlFocusPrevPart:
2705         case kControlFocusNextPart:
2706             MacFocusPaneText( !wasFocused );
2707             focusResult = (!wasFocused ? (ControlPartCode) kControlEditTextPart : (ControlPartCode) kControlFocusNoPart);
2708             break;
2709
2710         case kControlFocusNoPart:
2711         default:
2712             MacFocusPaneText( false );
2713             focusResult = kControlFocusNoPart;
2714             break;
2715     }
2716
2717     return focusResult;
2718 }
2719
2720 void wxMacMLTEClassicControl::MacControlUserPaneBackgroundProc( void *WXUNUSED(info) )
2721 {
2722 }
2723
2724 wxMacMLTEClassicControl::wxMacMLTEClassicControl( wxTextCtrl *wxPeer,
2725     const wxString& str,
2726     const wxPoint& pos,
2727     const wxSize& size, long style )
2728     : wxMacMLTEControl( wxPeer )
2729 {
2730     m_font = wxPeer->GetFont() ;
2731     m_windowStyle = style ;
2732     Rect bounds = wxMacGetBoundsForControl( wxPeer , pos , size ) ;
2733
2734     short featureSet =
2735         kControlSupportsEmbedding | kControlSupportsFocus | kControlWantsIdle
2736         | kControlWantsActivate  | kControlHandlesTracking
2737 //    | kControlHasSpecialBackground
2738         | kControlGetsFocusOnClick | kControlSupportsLiveFeedback;
2739
2740    OSStatus err = ::CreateUserPaneControl(
2741         MAC_WXHWND(wxPeer->GetParent()->MacGetTopLevelWindowRef()),
2742         &bounds, featureSet, &m_controlRef );
2743     verify_noerr( err );
2744
2745     DoCreate();
2746
2747     AdjustCreationAttributes( *wxWHITE , true ) ;
2748
2749     MacSetObjectVisibility( wxPeer->MacIsReallyShown() ) ;
2750
2751     {
2752         wxString st = str ;
2753         wxMacConvertNewlines10To13( &st ) ;
2754         wxMacWindowClipper clipper( m_peer ) ;
2755         SetTXNData( st , kTXNStartOffset, kTXNEndOffset ) ;
2756         TXNSetSelection( m_txn, 0, 0 ) ;
2757     }
2758 }
2759
2760 wxMacMLTEClassicControl::~wxMacMLTEClassicControl()
2761 {
2762     TXNDeleteObject( m_txn );
2763     m_txn = NULL ;
2764 }
2765
2766 void wxMacMLTEClassicControl::VisibilityChanged(bool shown)
2767 {
2768     MacSetObjectVisibility( shown ) ;
2769     wxMacControl::VisibilityChanged( shown ) ;
2770 }
2771
2772 void wxMacMLTEClassicControl::SuperChangedPosition()
2773 {
2774     MacUpdatePosition() ;
2775     wxMacControl::SuperChangedPosition() ;
2776 }
2777
2778 ControlUserPaneDrawUPP gTPDrawProc = NULL;
2779 ControlUserPaneHitTestUPP gTPHitProc = NULL;
2780 ControlUserPaneTrackingUPP gTPTrackProc = NULL;
2781 ControlUserPaneIdleUPP gTPIdleProc = NULL;
2782 ControlUserPaneKeyDownUPP gTPKeyProc = NULL;
2783 ControlUserPaneActivateUPP gTPActivateProc = NULL;
2784 ControlUserPaneFocusUPP gTPFocusProc = NULL;
2785
2786 static pascal void wxMacControlUserPaneDrawProc(ControlRef control, SInt16 part)
2787 {
2788     wxTextCtrl *textCtrl =  wxDynamicCast( wxFindControlFromMacControl(control) , wxTextCtrl ) ;
2789     wxMacMLTEClassicControl * win = textCtrl ? (wxMacMLTEClassicControl*)(textCtrl->GetPeer()) : NULL ;
2790     if ( win )
2791         win->MacControlUserPaneDrawProc( part ) ;
2792 }
2793
2794 static pascal ControlPartCode wxMacControlUserPaneHitTestProc(ControlRef control, Point where)
2795 {
2796     wxTextCtrl *textCtrl =  wxDynamicCast( wxFindControlFromMacControl(control) , wxTextCtrl ) ;
2797     wxMacMLTEClassicControl * win = textCtrl ? (wxMacMLTEClassicControl*)(textCtrl->GetPeer()) : NULL ;
2798     if ( win )
2799         return win->MacControlUserPaneHitTestProc( where.h , where.v ) ;
2800     else
2801         return kControlNoPart ;
2802 }
2803
2804 static pascal ControlPartCode wxMacControlUserPaneTrackingProc(ControlRef control, Point startPt, ControlActionUPP actionProc)
2805 {
2806     wxTextCtrl *textCtrl =  wxDynamicCast( wxFindControlFromMacControl(control) , wxTextCtrl ) ;
2807     wxMacMLTEClassicControl * win = textCtrl ? (wxMacMLTEClassicControl*)(textCtrl->GetPeer()) : NULL ;
2808     if ( win )
2809         return win->MacControlUserPaneTrackingProc( startPt.h , startPt.v , (void*) actionProc ) ;
2810     else
2811         return kControlNoPart ;
2812 }
2813
2814 static pascal void wxMacControlUserPaneIdleProc(ControlRef control)
2815 {
2816     wxTextCtrl *textCtrl =  wxDynamicCast( wxFindControlFromMacControl(control) , wxTextCtrl ) ;
2817     wxMacMLTEClassicControl * win = textCtrl ? (wxMacMLTEClassicControl*)(textCtrl->GetPeer()) : NULL ;
2818     if ( win )
2819         win->MacControlUserPaneIdleProc() ;
2820 }
2821
2822 static pascal ControlPartCode wxMacControlUserPaneKeyDownProc(ControlRef control, SInt16 keyCode, SInt16 charCode, SInt16 modifiers)
2823 {
2824     wxTextCtrl *textCtrl =  wxDynamicCast( wxFindControlFromMacControl(control) , wxTextCtrl ) ;
2825     wxMacMLTEClassicControl * win = textCtrl ? (wxMacMLTEClassicControl*)(textCtrl->GetPeer()) : NULL ;
2826     if ( win )
2827         return win->MacControlUserPaneKeyDownProc( keyCode, charCode, modifiers ) ;
2828     else
2829         return kControlNoPart ;
2830 }
2831
2832 static pascal void wxMacControlUserPaneActivateProc(ControlRef control, Boolean activating)
2833 {
2834     wxTextCtrl *textCtrl =  wxDynamicCast( wxFindControlFromMacControl(control) , wxTextCtrl ) ;
2835     wxMacMLTEClassicControl * win = textCtrl ? (wxMacMLTEClassicControl*)(textCtrl->GetPeer()) : NULL ;
2836     if ( win )
2837         win->MacControlUserPaneActivateProc( activating ) ;
2838 }
2839
2840 static pascal ControlPartCode wxMacControlUserPaneFocusProc(ControlRef control, ControlFocusPart action)
2841 {
2842     wxTextCtrl *textCtrl =  wxDynamicCast( wxFindControlFromMacControl(control) , wxTextCtrl ) ;
2843     wxMacMLTEClassicControl * win = textCtrl ? (wxMacMLTEClassicControl*)(textCtrl->GetPeer()) : NULL ;
2844     if ( win )
2845         return win->MacControlUserPaneFocusProc( action ) ;
2846     else
2847         return kControlNoPart ;
2848 }
2849
2850 #if 0
2851 static pascal void wxMacControlUserPaneBackgroundProc(ControlRef control, ControlBackgroundPtr info)
2852 {
2853     wxTextCtrl *textCtrl =  wxDynamicCast( wxFindControlFromMacControl(control) , wxTextCtrl ) ;
2854     wxMacMLTEClassicControl * win = textCtrl ? (wxMacMLTEClassicControl*)(textCtrl->GetPeer()) : NULL ;
2855     if ( win )
2856         win->MacControlUserPaneBackgroundProc(info) ;
2857 }
2858 #endif
2859
2860 // TXNRegisterScrollInfoProc
2861
2862 OSStatus wxMacMLTEClassicControl::DoCreate()
2863 {
2864     Rect bounds;
2865     OSStatus err = noErr ;
2866
2867     // set up our globals
2868     if (gTPDrawProc == NULL) gTPDrawProc = NewControlUserPaneDrawUPP(wxMacControlUserPaneDrawProc);
2869     if (gTPHitProc == NULL) gTPHitProc = NewControlUserPaneHitTestUPP(wxMacControlUserPaneHitTestProc);
2870     if (gTPTrackProc == NULL) gTPTrackProc = NewControlUserPaneTrackingUPP(wxMacControlUserPaneTrackingProc);
2871     if (gTPIdleProc == NULL) gTPIdleProc = NewControlUserPaneIdleUPP(wxMacControlUserPaneIdleProc);
2872     if (gTPKeyProc == NULL) gTPKeyProc = NewControlUserPaneKeyDownUPP(wxMacControlUserPaneKeyDownProc);
2873     if (gTPActivateProc == NULL) gTPActivateProc = NewControlUserPaneActivateUPP(wxMacControlUserPaneActivateProc);
2874     if (gTPFocusProc == NULL) gTPFocusProc = NewControlUserPaneFocusUPP(wxMacControlUserPaneFocusProc);
2875
2876     if (gTXNScrollInfoProc == NULL ) gTXNScrollInfoProc = NewTXNScrollInfoUPP(TXNScrollInfoProc) ;
2877     if (gTXNScrollActionProc == NULL ) gTXNScrollActionProc = NewControlActionUPP(TXNScrollActionProc) ;
2878
2879     // set the initial settings for our private data
2880
2881     m_txnWindow = GetControlOwner(m_controlRef);
2882     m_txnPort = (GrafPtr) GetWindowPort(m_txnWindow);
2883
2884     // set up the user pane procedures
2885     SetControlData(m_controlRef, kControlEntireControl, kControlUserPaneDrawProcTag, sizeof(gTPDrawProc), &gTPDrawProc);
2886     SetControlData(m_controlRef, kControlEntireControl, kControlUserPaneHitTestProcTag, sizeof(gTPHitProc), &gTPHitProc);
2887     SetControlData(m_controlRef, kControlEntireControl, kControlUserPaneTrackingProcTag, sizeof(gTPTrackProc), &gTPTrackProc);
2888     SetControlData(m_controlRef, kControlEntireControl, kControlUserPaneIdleProcTag, sizeof(gTPIdleProc), &gTPIdleProc);
2889     SetControlData(m_controlRef, kControlEntireControl, kControlUserPaneKeyDownProcTag, sizeof(gTPKeyProc), &gTPKeyProc);
2890     SetControlData(m_controlRef, kControlEntireControl, kControlUserPaneActivateProcTag, sizeof(gTPActivateProc), &gTPActivateProc);
2891     SetControlData(m_controlRef, kControlEntireControl, kControlUserPaneFocusProcTag, sizeof(gTPFocusProc), &gTPFocusProc);
2892
2893     // calculate the rectangles used by the control
2894     UMAGetControlBoundsInWindowCoords( m_controlRef, &bounds );
2895
2896     m_txnControlBounds = bounds ;
2897     m_txnVisBounds = bounds ;
2898
2899     CGrafPtr origPort ;
2900     GDHandle origDev ;
2901
2902     GetGWorld( &origPort, &origDev ) ;
2903     SetPort( m_txnPort );
2904
2905     // create the new edit field
2906     TXNFrameOptions frameOptions = FrameOptionsFromWXStyle( m_windowStyle );
2907
2908     // the scrollbars are not correctly embedded but are inserted at the root:
2909     // this gives us problems as we have erratic redraws even over the structure area
2910
2911     m_sbHorizontal = 0 ;
2912     m_sbVertical = 0 ;
2913     m_lastHorizontalValue = 0 ;
2914     m_lastVerticalValue = 0 ;
2915
2916     Rect sb = { 0 , 0 , 0 , 0 } ;
2917     if ( frameOptions & kTXNWantVScrollBarMask )
2918     {
2919         CreateScrollBarControl( m_txnWindow, &sb, 0, 0, 100, 1, true, gTXNScrollActionProc, &m_sbVertical );
2920         SetControlReference( m_sbVertical, (SInt32)this );
2921         SetControlAction( m_sbVertical, gTXNScrollActionProc );
2922         ShowControl( m_sbVertical );
2923         EmbedControl( m_sbVertical , m_controlRef );
2924         frameOptions &= ~kTXNWantVScrollBarMask;
2925     }
2926
2927     if ( frameOptions & kTXNWantHScrollBarMask )
2928     {
2929         CreateScrollBarControl( m_txnWindow, &sb, 0, 0, 100, 1, true, gTXNScrollActionProc, &m_sbHorizontal );
2930         SetControlReference( m_sbHorizontal, (SInt32)this );
2931         SetControlAction( m_sbHorizontal, gTXNScrollActionProc );
2932         ShowControl( m_sbHorizontal );
2933         EmbedControl( m_sbHorizontal, m_controlRef );
2934         frameOptions &= ~(kTXNWantHScrollBarMask | kTXNDrawGrowIconMask);
2935     }
2936
2937     err = TXNNewObject(
2938         NULL, m_txnWindow, &bounds, frameOptions,
2939         kTXNTextEditStyleFrameType, kTXNTextensionFile, kTXNSystemDefaultEncoding,
2940         &m_txn, &m_txnFrameID, NULL );
2941     verify_noerr( err );
2942
2943 #if 0
2944     TXNControlTag iControlTags[] = { kTXNUseCarbonEvents };
2945     TXNControlData iControlData[] = { { (UInt32)&cInfo } };
2946     int toptag = WXSIZEOF( iControlTags ) ;
2947     TXNCarbonEventInfo cInfo ;
2948     cInfo.useCarbonEvents = false ;
2949     cInfo.filler = 0 ;
2950     cInfo.flags = 0 ;
2951     cInfo.fDictionary = NULL ;
2952
2953     verify_noerr( TXNSetTXNObjectControls( m_txn, false, toptag, iControlTags, iControlData ) );
2954 #endif
2955
2956     TXNRegisterScrollInfoProc( m_txn, gTXNScrollInfoProc, (SInt32)this );
2957
2958     SetGWorld( origPort , origDev ) ;
2959
2960     return err;
2961 }
2962 #endif
2963
2964 // ----------------------------------------------------------------------------
2965 // MLTE control implementation (OSX part)
2966 // ----------------------------------------------------------------------------
2967
2968 // tiger multi-line textcontrols with no CR in the entire content
2969 // don't scroll automatically, so we need a hack.
2970 // This attempt only works 'before' the key (ie before CallNextEventHandler)
2971 // is processed, thus the scrolling always occurs one character too late, but
2972 // better than nothing ...
2973
2974 static const EventTypeSpec eventList[] =
2975 {
2976     { kEventClassTextInput, kEventTextInputUnicodeForKeyEvent } ,
2977 } ;
2978
2979 static pascal OSStatus wxMacUnicodeTextEventHandler( EventHandlerCallRef handler , EventRef event , void *data )
2980 {
2981     OSStatus result = eventNotHandledErr ;
2982     wxMacMLTEHIViewControl* focus = (wxMacMLTEHIViewControl*) data ;
2983
2984     switch ( GetEventKind( event ) )
2985     {
2986         case kEventTextInputUnicodeForKeyEvent :
2987         {
2988             if ( UMAGetSystemVersion() >= 0x1040 )
2989             {
2990                 TXNOffset from , to ;
2991                 TXNGetSelection( focus->GetTXNObject() , &from , &to ) ;
2992                 if ( from == to )
2993                     TXNShowSelection( focus->GetTXNObject() , kTXNShowStart );
2994             }
2995             result = CallNextEventHandler(handler,event);
2996             break;
2997         }
2998         default:
2999             break ;
3000     }
3001
3002     return result ;
3003 }
3004
3005 static pascal OSStatus wxMacTextControlEventHandler( EventHandlerCallRef handler , EventRef event , void *data )
3006 {
3007     OSStatus result = eventNotHandledErr ;
3008
3009     switch ( GetEventClass( event ) )
3010     {
3011         case kEventClassTextInput :
3012             result = wxMacUnicodeTextEventHandler( handler , event , data ) ;
3013             break ;
3014
3015         default :
3016             break ;
3017     }
3018     return result ;
3019 }
3020
3021 DEFINE_ONE_SHOT_HANDLER_GETTER( wxMacTextControlEventHandler )
3022
3023 wxMacMLTEHIViewControl::wxMacMLTEHIViewControl( wxTextCtrl *wxPeer,
3024     const wxString& str,
3025     const wxPoint& pos,
3026     const wxSize& size, long style ) : wxMacMLTEControl( wxPeer )
3027 {
3028     m_font = wxPeer->GetFont() ;
3029     m_windowStyle = style ;
3030     Rect bounds = wxMacGetBoundsForControl( wxPeer , pos , size ) ;
3031     wxString st = str ;
3032     wxMacConvertNewlines10To13( &st ) ;
3033
3034     HIRect hr = {
3035         { bounds.left , bounds.top },
3036         { bounds.right - bounds.left, bounds.bottom - bounds.top } } ;
3037
3038     m_scrollView = NULL ;
3039     TXNFrameOptions frameOptions = FrameOptionsFromWXStyle( style ) ;
3040     if (( frameOptions & (kTXNWantVScrollBarMask | kTXNWantHScrollBarMask)) || !(frameOptions &kTXNSingleLineOnlyMask))
3041     {
3042         if ( frameOptions & (kTXNWantVScrollBarMask | kTXNWantHScrollBarMask) )
3043         {
3044             HIScrollViewCreate(
3045                 (frameOptions & kTXNWantHScrollBarMask ? kHIScrollViewOptionsHorizScroll : 0)
3046                 | (frameOptions & kTXNWantVScrollBarMask ? kHIScrollViewOptionsVertScroll : 0) ,
3047                 &m_scrollView ) ;
3048         }
3049         else
3050         {
3051             HIScrollViewCreate(kHIScrollViewOptionsVertScroll,&m_scrollView);
3052             HIScrollViewSetScrollBarAutoHide(m_scrollView,true);
3053         }
3054
3055         HIViewSetFrame( m_scrollView, &hr );
3056         HIViewSetVisible( m_scrollView, true );
3057     }
3058
3059     m_textView = NULL ;
3060     HITextViewCreate( NULL , 0, frameOptions , &m_textView ) ;
3061     m_txn = HITextViewGetTXNObject( m_textView ) ;
3062     HIViewSetVisible( m_textView , true ) ;
3063     if ( m_scrollView )
3064     {
3065         HIViewAddSubview( m_scrollView , m_textView ) ;
3066         m_controlRef = m_scrollView ;
3067         wxPeer->MacInstallEventHandler( (WXWidget) m_textView ) ;
3068     }
3069     else
3070     {
3071         HIViewSetFrame( m_textView, &hr );
3072         m_controlRef = m_textView ;
3073     }
3074
3075     AdjustCreationAttributes( *wxWHITE , true ) ;
3076 #ifndef __LP64__
3077     wxMacWindowClipper c( m_peer ) ;
3078 #endif
3079     SetTXNData( st , kTXNStartOffset, kTXNEndOffset ) ;
3080
3081     TXNSetSelection( m_txn, 0, 0 );
3082     TXNShowSelection( m_txn, kTXNShowStart );
3083
3084     InstallControlEventHandler( m_textView , GetwxMacTextControlEventHandlerUPP(),
3085                                 GetEventTypeCount(eventList), eventList, this,
3086                                 NULL);
3087 }
3088
3089 wxMacMLTEHIViewControl::~wxMacMLTEHIViewControl()
3090 {
3091 }
3092
3093 OSStatus wxMacMLTEHIViewControl::SetFocus( ControlFocusPart focusPart )
3094 {
3095     return SetKeyboardFocus( GetControlOwner( m_textView ), m_textView, focusPart ) ;
3096 }
3097
3098 bool wxMacMLTEHIViewControl::HasFocus() const
3099 {
3100     ControlRef control ;
3101     if ( GetUserFocusWindow() == NULL )
3102         return false;
3103
3104     GetKeyboardFocus( GetUserFocusWindow() , &control ) ;
3105     return control == m_textView ;
3106 }
3107
3108 void wxMacMLTEHIViewControl::SetBackground( const wxBrush &brush )
3109 {
3110     wxMacMLTEControl::SetBackground( brush ) ;
3111
3112 #if 0
3113     CGColorSpaceRef rgbSpace = CGColorSpaceCreateDeviceRGB();
3114     RGBColor col = MAC_WXCOLORREF(brush.GetColour().GetPixel()) ;
3115
3116     float component[4] ;
3117     component[0] = col.red / 65536.0 ;
3118     component[1] = col.green / 65536.0 ;
3119     component[2] = col.blue / 65536.0 ;
3120     component[3] = 1.0 ; // alpha
3121
3122     CGColorRef color = CGColorCreate( rgbSpace , component );
3123     HITextViewSetBackgroundColor( m_textView , color );
3124     CGColorSpaceRelease( rgbSpace );
3125 #endif
3126 }
3127
3128 #endif // wxUSE_TEXTCTRL