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