src/mac/textctrl.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        textctrl.cpp
   3 // Purpose:     wxTextCtrl
   4 // Author:      AUTHOR
   5 // Modified by:
   6 // Created:     ??/??/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) AUTHOR
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifdef __GNUG__
  13 #pragma implementation "textctrl.h"
  14 #endif
  15
  16 #include "wx/defs.h"
  17
  18 #if wxUSE_TEXTCTRL
  19
  20 #ifdef __DARWIN__
  21   #include <sys/types.h>
  22   #include <sys/stat.h>
  23 #else
  24   #include <stat.h>
  25 #endif
  26 #include <fstream.h>
  27
  28 #include "wx/app.h"
  29 #include "wx/dc.h"
  30 #include "wx/button.h"
  31 #include "wx/toplevel.h"
  32 #include "wx/textctrl.h"
  33 #include "wx/notebook.h"
  34 #include "wx/tabctrl.h"
  35 #include "wx/settings.h"
  36 #include "wx/filefn.h"
  37 #include "wx/utils.h"
  38
  39 #if defined(__BORLANDC__) && !defined(__WIN32__)
  40   #include <alloc.h>
  41 #elif !defined(__MWERKS__) && !defined(__GNUWIN32) && !defined(__DARWIN__)
  42   #include <malloc.h>
  43 #endif
  44
  45 #include "wx/mac/uma.h"
  46
  47 #define wxUSE_MLTE 0
  48
  49 #if wxUSE_MLTE == 0 // old textctrl implementation
  50
  51 #if !USE_SHARED_LIBRARY
  52 IMPLEMENT_DYNAMIC_CLASS(wxTextCtrl, wxControl)
  53
  54 BEGIN_EVENT_TABLE(wxTextCtrl, wxControl)
  55     EVT_DROP_FILES(wxTextCtrl::OnDropFiles)
  56     EVT_CHAR(wxTextCtrl::OnChar)
  57     EVT_MENU(wxID_CUT, wxTextCtrl::OnCut)
  58     EVT_MENU(wxID_COPY, wxTextCtrl::OnCopy)
  59     EVT_MENU(wxID_PASTE, wxTextCtrl::OnPaste)
  60     EVT_MENU(wxID_UNDO, wxTextCtrl::OnUndo)
  61     EVT_MENU(wxID_REDO, wxTextCtrl::OnRedo)
  62
  63     EVT_UPDATE_UI(wxID_CUT, wxTextCtrl::OnUpdateCut)
  64     EVT_UPDATE_UI(wxID_COPY, wxTextCtrl::OnUpdateCopy)
  65     EVT_UPDATE_UI(wxID_PASTE, wxTextCtrl::OnUpdatePaste)
  66     EVT_UPDATE_UI(wxID_UNDO, wxTextCtrl::OnUpdateUndo)
  67     EVT_UPDATE_UI(wxID_REDO, wxTextCtrl::OnUpdateRedo)
  68 END_EVENT_TABLE()
  69 #endif
  70
  71 // Text item
  72 wxTextCtrl::wxTextCtrl()
  73 {
  74 }
  75
  76 const short kVerticalMargin = 2 ;
  77 const short kHorizontalMargin = 2 ;
  78
  79 bool wxTextCtrl::Create(wxWindow *parent, wxWindowID id,
  80            const wxString& st,
  81            const wxPoint& pos,
  82            const wxSize& size, long style,
  83            const wxValidator& validator,
  84            const wxString& name)
  85 {
  86     // base initialization
  87     if ( !CreateBase(parent, id, pos, size, style, validator, name) )
  88         return FALSE;
  89
  90     wxSize mySize = size ;
  91     if ( UMAHasAppearance() )
  92     {
  93         m_macHorizontalBorder = 5 ; // additional pixels around the real control
  94         m_macVerticalBorder = 5 ;
  95     }
  96     else
  97     {
  98         m_macHorizontalBorder = 0 ; // additional pixels around the real control
  99         m_macVerticalBorder = 0 ;
 100     }
 101
 102
 103     Rect bounds ;
 104     Str255 title ;
 105
 106     if ( mySize.y == -1 )
 107     {
 108         if ( UMAHasAppearance() )
 109             mySize.y = 13 ;
 110         else
 111             mySize.y = 24 ;
 112
 113         mySize.y += 2 * m_macVerticalBorder ;
 114     }
 115
 116     MacPreControlCreate( parent , id ,  "" , pos , mySize ,style, validator , name , &bounds , title ) ;
 117
 118     if ( m_windowStyle & wxTE_MULTILINE )
 119     {
 120         wxASSERT_MSG( !(m_windowStyle & wxTE_PROCESS_ENTER),
 121                       wxT("wxTE_PROCESS_ENTER style is ignored for multiline text controls (they always process it)") );
 122
 123         m_windowStyle |= wxTE_PROCESS_ENTER;
 124     }
 125
 126
 127     m_macControl = ::NewControl( MAC_WXHWND(parent->MacGetRootWindow()) , &bounds , "\p" , true , 0 , 0 , 1,
 128         ( style & wxTE_PASSWORD ) ? kControlEditTextPasswordProc : kControlEditTextProc , (long) this ) ;
 129     MacPostControlCreate() ;
 130
 131     wxString value ;
 132
 133     {
 134         TEHandle teH ;
 135         long size ;
 136
 137         ::GetControlData( (ControlHandle) m_macControl , 0, kControlEditTextTEHandleTag , sizeof( TEHandle ) , (char*) &teH , &size ) ;
 138         (*teH)->lineHeight = -1 ;
 139     }
 140
 141     if( wxApp::s_macDefaultEncodingIsPC )
 142         value = wxMacMakeMacStringFromPC( st ) ;
 143     else
 144         value = st ;
 145     ::SetControlData( (ControlHandle) m_macControl, 0, ( m_windowStyle & wxTE_PASSWORD ) ? kControlEditTextPasswordTag : kControlEditTextTextTag , value.Length() , (char*) ((const char*)value) ) ;
 146
 147   return TRUE;
 148 }
 149
 150 wxString wxTextCtrl::GetValue() const
 151 {
 152     Size actualsize;
 153     ::GetControlData( (ControlHandle) m_macControl, 0, ( m_windowStyle & wxTE_PASSWORD ) ? kControlEditTextPasswordTag : kControlEditTextTextTag , 32767 , wxBuffer , &actualsize) ;
 154     wxBuffer[actualsize] = 0 ;
 155     if( wxApp::s_macDefaultEncodingIsPC )
 156         return wxMacMakePCStringFromMac( wxBuffer ) ;
 157     else
 158         return wxString(wxBuffer);
 159 }
 160
 161 void wxTextCtrl::GetSelection(long* from, long* to) const
 162 {
 163    ControlEditTextSelectionRec selection ;
 164    TEHandle teH ;
 165    long size ;
 166
 167    ::GetControlData( (ControlHandle) m_macControl , 0, kControlEditTextTEHandleTag , sizeof( TEHandle ) , (char*) &teH , &size ) ;
 168
 169     *from = (**teH).selStart;
 170     *to = (**teH).selEnd;
 171 }
 172
 173 void wxTextCtrl::SetValue(const wxString& st)
 174 {
 175     wxString value ;
 176
 177     if( wxApp::s_macDefaultEncodingIsPC )
 178         value = wxMacMakeMacStringFromPC( st ) ;
 179     else
 180         value = st ;
 181     ::SetControlData( (ControlHandle) m_macControl, 0, ( m_windowStyle & wxTE_PASSWORD ) ? kControlEditTextPasswordTag : kControlEditTextTextTag , value.Length() , (char*) ((const char*)value) ) ;
 182     MacRedrawControl() ;
 183 }
 184
 185 // Clipboard operations
 186 void wxTextCtrl::Copy()
 187 {
 188     if (CanCopy())
 189     {
 190         TEHandle teH ;
 191         long size ;
 192
 193                   ::GetControlData( (ControlHandle) m_macControl , 0, kControlEditTextTEHandleTag , sizeof( TEHandle ) , (char*) &teH , &size ) ;
 194                     TECopy( teH ) ;
 195         ClearCurrentScrap();
 196                     TEToScrap() ;
 197     }
 198 }
 199
 200 void wxTextCtrl::Cut()
 201 {
 202     if (CanCut())
 203     {
 204         TEHandle teH ;
 205         long size ;
 206
 207                   ::GetControlData( (ControlHandle) m_macControl , 0, kControlEditTextTEHandleTag , sizeof( TEHandle ) , (char*) &teH , &size ) ;
 208                     TECut( teH ) ;
 209         ClearCurrentScrap();
 210                     TEToScrap() ;
 211                     //  MacInvalidateControl() ;
 212           }
 213 }
 214
 215 void wxTextCtrl::Paste()
 216 {
 217     if (CanPaste())
 218     {
 219         TEHandle teH ;
 220         long size ;
 221
 222         ::GetControlData( (ControlHandle) m_macControl , 0, kControlEditTextTEHandleTag , sizeof( TEHandle ) , (char*) &teH , &size ) ;
 223         TEFromScrap() ;
 224         TEPaste( teH ) ;
 225         MacRedrawControl() ;
 226     }
 227 }
 228
 229 bool wxTextCtrl::CanCopy() const
 230 {
 231     // Can copy if there's a selection
 232     long from, to;
 233     GetSelection(& from, & to);
 234     return (from != to);
 235 }
 236
 237 bool wxTextCtrl::CanCut() const
 238 {
 239     // Can cut if there's a selection
 240     long from, to;
 241     GetSelection(& from, & to);
 242     return (from != to);
 243 }
 244
 245 bool wxTextCtrl::CanPaste() const
 246 {
 247     if (!IsEditable())
 248         return FALSE;
 249
 250     long offset ;
 251 #if TARGET_CARBON
 252     OSStatus err = noErr;
 253     ScrapRef scrapRef;
 254
 255     err = GetCurrentScrap( &scrapRef );
 256     if ( err != noTypeErr && err != memFullErr )
 257     {
 258         ScrapFlavorFlags    flavorFlags;
 259         Size                byteCount;
 260
 261         if (( err = GetScrapFlavorFlags( scrapRef, 'TEXT', &flavorFlags )) == noErr)
 262         {
 263             if (( err = GetScrapFlavorSize( scrapRef, 'TEXT', &byteCount )) == noErr)
 264             {
 265                 return TRUE ;
 266             }
 267         }
 268     }
 269     return FALSE;
 270
 271 #else
 272     if ( GetScrap( NULL , 'TEXT' , &offset ) > 0 )
 273     {
 274         return TRUE ;
 275     }
 276 #endif
 277     return FALSE ;
 278 }
 279
 280 void wxTextCtrl::SetEditable(bool editable)
 281 {
 282     if ( editable )
 283         UMAActivateControl( (ControlHandle) m_macControl ) ;
 284     else
 285         UMADeactivateControl( (ControlHandle) m_macControl ) ;
 286 }
 287
 288 void wxTextCtrl::SetInsertionPoint(long pos)
 289 {
 290     SetSelection( pos , pos ) ;
 291 }
 292
 293 void wxTextCtrl::SetInsertionPointEnd()
 294 {
 295     long pos = GetLastPosition();
 296     SetInsertionPoint(pos);
 297 }
 298
 299 long wxTextCtrl::GetInsertionPoint() const
 300 {
 301    ControlEditTextSelectionRec selection ;
 302    TEHandle teH ;
 303    long size ;
 304
 305    ::GetControlData( (ControlHandle) m_macControl , 0, kControlEditTextTEHandleTag , sizeof( TEHandle ) , (char*) &teH , &size ) ;
 306 //   ::GetControlData( (ControlHandle) m_macControl , 0, kControlEditTextSelectionTag , sizeof( selection ) , (char*) &selection , &size ) ;
 307     return (**teH).selStart ;
 308 }
 309
 310 long wxTextCtrl::GetLastPosition() const
 311 {
 312    ControlEditTextSelectionRec selection ;
 313    TEHandle teH ;
 314    long size ;
 315
 316    ::GetControlData( (ControlHandle) m_macControl , 0, kControlEditTextTEHandleTag , sizeof( TEHandle ) , (char*) &teH , &size ) ;
 317
 318 //   ::GetControlData( (ControlHandle) m_macControl , 0, kControlEditTextSelectionTag , sizeof( selection ) , (char*) &selection , &size ) ;
 319     return (**teH).teLength ;
 320 }
 321
 322 void wxTextCtrl::Replace(long from, long to, const wxString& value)
 323 {
 324     TEHandle teH ;
 325     long size ;
 326
 327     ControlEditTextSelectionRec selection ;
 328
 329     selection.selStart = from ;
 330     selection.selEnd = to ;
 331     ::SetControlData( (ControlHandle) m_macControl , 0, kControlEditTextSelectionTag , sizeof( selection ) , (char*) &selection ) ;
 332         ::GetControlData( (ControlHandle) m_macControl , 0, kControlEditTextTEHandleTag , sizeof( TEHandle ) , (char*) &teH , &size ) ;
 333     TESetSelect( from , to  , teH ) ;
 334     TEDelete( teH ) ;
 335         TEInsert( value , value.Length() , teH ) ;
 336     Refresh() ;
 337 }
 338
 339 void wxTextCtrl::Remove(long from, long to)
 340 {
 341     TEHandle teH ;
 342     long size ;
 343
 344     ControlEditTextSelectionRec selection ;
 345
 346     selection.selStart = from ;
 347     selection.selEnd = to ;
 348     ::SetControlData( (ControlHandle) m_macControl , 0, kControlEditTextSelectionTag , sizeof( selection ) , (char*) &selection ) ;
 349     ::GetControlData( (ControlHandle) m_macControl , 0, kControlEditTextTEHandleTag , sizeof( TEHandle ) , (char*) &teH , &size ) ;
 350     TEDelete( teH ) ;
 351     Refresh() ;
 352 }
 353
 354 void wxTextCtrl::SetSelection(long from, long to)
 355 {
 356    ControlEditTextSelectionRec selection ;
 357    TEHandle teH ;
 358    long size ;
 359
 360    ::GetControlData( (ControlHandle) m_macControl , 0, kControlEditTextTEHandleTag , sizeof( TEHandle ) , (char*) &teH , &size ) ;
 361
 362    selection.selStart = from ;
 363    selection.selEnd = to ;
 364
 365    ::SetControlData( (ControlHandle) m_macControl , 0, kControlEditTextSelectionTag , sizeof( selection ) , (char*) &selection ) ;
 366    TESetSelect( selection.selStart , selection.selEnd , teH ) ;
 367 }
 368
 369 bool wxTextCtrl::LoadFile(const wxString& file)
 370 {
 371     if ( wxTextCtrlBase::LoadFile(file) )
 372     {
 373         return TRUE;
 374     }
 375
 376     return FALSE;
 377 }
 378
 379 void wxTextCtrl::WriteText(const wxString& text)
 380 {
 381     TEHandle teH ;
 382     long size ;
 383
 384     memcpy( wxBuffer, text , text.Length() ) ;
 385     wxBuffer[text.Length() ] = 0 ;
 386 //    wxMacConvertNewlines( wxBuffer , wxBuffer ) ;
 387
 388     ::GetControlData( (ControlHandle) m_macControl , 0, kControlEditTextTEHandleTag , sizeof( TEHandle ) , (char*) &teH , &size ) ;
 389
 390         TEInsert( wxBuffer , strlen( wxBuffer) , teH ) ;
 391         Refresh() ;
 392 }
 393
 394 void wxTextCtrl::AppendText(const wxString& text)
 395 {
 396     SetInsertionPointEnd();
 397     WriteText(text);
 398 }
 399
 400 void wxTextCtrl::Clear()
 401 {
 402     ::SetControlData( (ControlHandle) m_macControl, 0, ( m_windowStyle & wxTE_PASSWORD ) ? kControlEditTextPasswordTag : kControlEditTextTextTag , 0 , (char*) ((const char*)NULL) ) ;
 403     Refresh() ;
 404 }
 405
 406 bool wxTextCtrl::IsModified() const
 407 {
 408     return TRUE;
 409 }
 410
 411 bool wxTextCtrl::IsEditable() const
 412 {
 413     return IsEnabled();
 414 }
 415
 416 bool wxTextCtrl::AcceptsFocus() const
 417 {
 418     // we don't want focus if we can't be edited
 419     return IsEditable() && wxControl::AcceptsFocus();
 420 }
 421
 422 wxSize wxTextCtrl::DoGetBestSize() const
 423 {
 424     int wText = 100 ;
 425
 426     int hText ;
 427         if ( UMAHasAppearance() )
 428             hText = 13 ;
 429         else
 430             hText = 24 ;
 431     hText += 2 * m_macHorizontalBorder ;
 432 /*
 433     int cx, cy;
 434     wxGetCharSize(GetHWND(), &cx, &cy, &GetFont());
 435
 436     int wText = DEFAULT_ITEM_WIDTH;
 437
 438     int hText = EDIT_HEIGHT_FROM_CHAR_HEIGHT(cy);
 439
 440     return wxSize(wText, hText);
 441 */
 442     if ( m_windowStyle & wxTE_MULTILINE )
 443     {
 444         hText *= wxMin(GetNumberOfLines(), 5);
 445     }
 446     //else: for single line control everything is ok
 447     return wxSize(wText, hText);
 448 }
 449
 450 // ----------------------------------------------------------------------------
 451 // Undo/redo
 452 // ----------------------------------------------------------------------------
 453
 454 void wxTextCtrl::Undo()
 455 {
 456     if (CanUndo())
 457     {
 458     }
 459 }
 460
 461 void wxTextCtrl::Redo()
 462 {
 463     if (CanRedo())
 464     {
 465     }
 466 }
 467
 468 bool wxTextCtrl::CanUndo() const
 469 {
 470     return FALSE ;
 471 }
 472
 473 bool wxTextCtrl::CanRedo() const
 474 {
 475     return FALSE ;
 476 }
 477
 478 // Makes 'unmodified'
 479 void wxTextCtrl::DiscardEdits()
 480 {
 481     // TODO
 482 }
 483
 484 int wxTextCtrl::GetNumberOfLines() const
 485 {
 486     Size actualsize;
 487     ::GetControlData( (ControlHandle) m_macControl, 0, ( m_windowStyle & wxTE_PASSWORD ) ? kControlEditTextPasswordTag : kControlEditTextTextTag , 32767 , wxBuffer , &actualsize) ;
 488
 489     int count = 1;
 490     for (int i = 0; i < actualsize; i++)
 491     {
 492         if (wxBuffer[i] == '\r') count++;
 493     }
 494
 495     return count;
 496 }
 497
 498 long wxTextCtrl::XYToPosition(long x, long y) const
 499 {
 500     // TODO
 501     return 0;
 502 }
 503
 504 bool wxTextCtrl::PositionToXY(long pos, long *x, long *y) const
 505 {
 506     return FALSE ;
 507 }
 508
 509 void wxTextCtrl::ShowPosition(long pos)
 510 {
 511     // TODO
 512 }
 513
 514 int wxTextCtrl::GetLineLength(long lineNo) const
 515 {
 516     Size actualsize;
 517     ::GetControlData( (ControlHandle) m_macControl, 0, ( m_windowStyle & wxTE_PASSWORD ) ? kControlEditTextPasswordTag : kControlEditTextTextTag , 32767 , wxBuffer , &actualsize) ;
 518
 519     // Find line first
 520     int count = 0;
 521     for (int i = 0; i < actualsize; i++)
 522     {
 523         if (count == lineNo)
 524         {
 525             // Count chars in line then
 526             count = 0;
 527             for (int j = i; j < actualsize; j++)
 528             {
 529                 count++;
 530                 if (wxBuffer[j] == '\r') return count;
 531             }
 532
 533             return count;
 534         }
 535         if (wxBuffer[i] == '\r') count++;
 536     }
 537
 538     return 0;
 539 }
 540
 541 wxString wxTextCtrl::GetLineText(long lineNo) const
 542 {
 543     Size actualsize;
 544     ::GetControlData( (ControlHandle) m_macControl, 0, ( m_windowStyle & wxTE_PASSWORD ) ? kControlEditTextPasswordTag : kControlEditTextTextTag , 32767 , wxBuffer , &actualsize) ;
 545
 546     // Find line first
 547     int count = 0;
 548     for (int i = 0; i < actualsize; i++)
 549     {
 550         if (count == lineNo)
 551         {
 552             // Add chars in line then
 553             wxString tmp("");
 554
 555             for (int j = i; j < actualsize; j++)
 556             {
 557                 if (wxBuffer[j] == '\r')
 558                     return tmp;
 559
 560                 tmp += wxBuffer[j];
 561             }
 562
 563             return tmp;
 564         }
 565         if (wxBuffer[i] == '\r') count++;
 566     }
 567
 568     return wxString("");
 569 }
 570
 571 /*
 572  * Text item
 573  */
 574
 575 void wxTextCtrl::Command(wxCommandEvent & event)
 576 {
 577     SetValue (event.GetString());
 578     ProcessCommand (event);
 579 }
 580
 581 void wxTextCtrl::OnDropFiles(wxDropFilesEvent& event)
 582 {
 583     // By default, load the first file into the text window.
 584     if (event.GetNumberOfFiles() > 0)
 585     {
 586         LoadFile(event.GetFiles()[0]);
 587     }
 588 }
 589
 590 void wxTextCtrl::OnChar(wxKeyEvent& key_event)
 591 {
 592     bool eat_key = FALSE;
 593
 594     switch ( key_event.KeyCode() )
 595     {
 596         case WXK_RETURN:
 597             if (m_windowStyle & wxPROCESS_ENTER)
 598             {
 599                 wxCommandEvent event(wxEVT_COMMAND_TEXT_ENTER, m_windowId);
 600                 event.SetEventObject( this );
 601                 event.SetString( GetValue() );
 602                 if ( GetEventHandler()->ProcessEvent(event) )
 603                     return;
 604             }
 605             if ( !(m_windowStyle & wxTE_MULTILINE) )
 606             {
 607                 wxWindow *parent = GetParent();
 608                 while( parent && !parent->IsTopLevel() && parent->GetDefaultItem() == NULL ) {
 609                   parent = parent->GetParent() ;
 610                 }
 611                 if ( parent && parent->GetDefaultItem() )
 612                 {
 613                     wxButton *def = wxDynamicCast(parent->GetDefaultItem(),
 614                                                           wxButton);
 615                     if ( def && def->IsEnabled() )
 616                     {
 617                         wxCommandEvent event(wxEVT_COMMAND_BUTTON_CLICKED, def->GetId() );
 618                         event.SetEventObject(def);
 619                         def->Command(event);
 620                         return ;
 621                    }
 622                 }
 623
 624                 // this will make wxWindows eat the ENTER key so that
 625                 // we actually prevent line wrapping in a single line
 626                 // text control
 627                 eat_key = TRUE;
 628             }
 629
 630             break;
 631
 632         case WXK_TAB:
 633             // always produce navigation event - even if we process TAB
 634             // ourselves the fact that we got here means that the user code
 635             // decided to skip processing of this TAB - probably to let it
 636             // do its default job.
 637             {
 638                 wxNavigationKeyEvent eventNav;
 639                 eventNav.SetDirection(!key_event.ShiftDown());
 640                 eventNav.SetWindowChange(key_event.ControlDown());
 641                 eventNav.SetEventObject(this);
 642
 643                 if ( GetParent()->GetEventHandler()->ProcessEvent(eventNav) )
 644                     return;
 645
 646                 key_event.Skip() ;
 647                 return;
 648             }
 649             break;
 650     }
 651
 652     EventRecord *ev = (EventRecord*) wxTheApp->MacGetCurrentEvent();
 653     short keychar = short(ev->message & charCodeMask);
 654     if (!eat_key)
 655     {
 656         short keycode = short(ev->message & keyCodeMask) >> 8 ;
 657         ::HandleControlKey( (ControlHandle) m_macControl , keycode , keychar , ev->modifiers );
 658     }
 659     if ( keychar >= 0x20 ||
 660          key_event.KeyCode() == WXK_RETURN ||
 661          key_event.KeyCode() == WXK_DELETE ||
 662          key_event.KeyCode() == WXK_BACK)
 663     {
 664         wxCommandEvent event(wxEVT_COMMAND_TEXT_UPDATED, m_windowId);
 665         event.SetString( GetValue() ) ;
 666         event.SetEventObject( this );
 667         GetEventHandler()->ProcessEvent(event);
 668     }
 669 }
 670
 671 // ----------------------------------------------------------------------------
 672 // standard handlers for standard edit menu events
 673 // ----------------------------------------------------------------------------
 674
 675 void wxTextCtrl::OnCut(wxCommandEvent& event)
 676 {
 677     Cut();
 678 }
 679
 680 void wxTextCtrl::OnCopy(wxCommandEvent& event)
 681 {
 682     Copy();
 683 }
 684
 685 void wxTextCtrl::OnPaste(wxCommandEvent& event)
 686 {
 687     Paste();
 688 }
 689
 690 void wxTextCtrl::OnUndo(wxCommandEvent& event)
 691 {
 692     Undo();
 693 }
 694
 695 void wxTextCtrl::OnRedo(wxCommandEvent& event)
 696 {
 697     Redo();
 698 }
 699
 700 void wxTextCtrl::OnUpdateCut(wxUpdateUIEvent& event)
 701 {
 702     event.Enable( CanCut() );
 703 }
 704
 705 void wxTextCtrl::OnUpdateCopy(wxUpdateUIEvent& event)
 706 {
 707     event.Enable( CanCopy() );
 708 }
 709
 710 void wxTextCtrl::OnUpdatePaste(wxUpdateUIEvent& event)
 711 {
 712     event.Enable( CanPaste() );
 713 }
 714
 715 void wxTextCtrl::OnUpdateUndo(wxUpdateUIEvent& event)
 716 {
 717     event.Enable( CanUndo() );
 718 }
 719
 720 void wxTextCtrl::OnUpdateRedo(wxUpdateUIEvent& event)
 721 {
 722     event.Enable( CanRedo() );
 723 }
 724
 725 #else
 726
 727 extern wxApp *wxTheApp ;
 728 // CS:We will replace the TextEdit by using the MultiLanguageTextEngine based on the following code written by apple
 729
 730 /*
 731     File: mUPControl.c
 732
 733     Description:
 734         mUPControl implementation.
 735
 736     Copyright:
 737         © Copyright 2000 Apple Computer, Inc. All rights reserved.
 738
 739     Disclaimer:
 740         IMPORTANT:  This Apple software is supplied to you by Apple Computer, Inc.
 741         ("Apple") in consideration of your agreement to the following terms, and your
 742         use, installation, modification or redistribution of this Apple software
 743         constitutes acceptance of these terms.  If you do not agree with these terms,
 744         please do not use, install, modify or redistribute this Apple software.
 745
 746         In consideration of your agreement to abide by the following terms, and subject
 747         to these terms, Apple grants you a personal, non-exclusive license, under AppleÕs
 748         copyrights in this original Apple software (the "Apple Software"), to use,
 749         reproduce, modify and redistribute the Apple Software, with or without
 750         modifications, in source and/or binary forms; provided that if you redistribute
 751         the Apple Software in its entirety and without modifications, you must retain
 752         this notice and the following text and disclaimers in all such redistributions of
 753         the Apple Software.  Neither the name, trademarks, service marks or logos of
 754         Apple Computer, Inc. may be used to endorse or promote products derived from the
 755         Apple Software without specific prior written permission from Apple.  Except as
 756         expressly stated in this notice, no other rights or licenses, express or implied,
 757         are granted by Apple herein, including but not limited to any patent rights that
 758         may be infringed by your derivative works or by other works in which the Apple
 759         Software may be incorporated.
 760
 761         The Apple Software is provided by Apple on an "AS IS" basis.  APPLE MAKES NO
 762         WARRANTIES, EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION THE IMPLIED
 763         WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 764         PURPOSE, REGARDING THE APPLE SOFTWARE OR ITS USE AND OPERATION ALONE OR IN
 765         COMBINATION WITH YOUR PRODUCTS.
 766
 767         IN NO EVENT SHALL APPLE BE LIABLE FOR ANY SPECIAL, INDIRECT, INCIDENTAL OR
 768         CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
 769         GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 770         ARISING IN ANY WAY OUT OF THE USE, REPRODUCTION, MODIFICATION AND/OR DISTRIBUTION
 771         OF THE APPLE SOFTWARE, HOWEVER CAUSED AND WHETHER UNDER THEORY OF CONTRACT, TORT
 772         (INCLUDING NEGLIGENCE), STRICT LIABILITY OR OTHERWISE, EVEN IF APPLE HAS BEEN
 773         ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 774
 775     Change History (most recent first):
 776         Fri, Jan 28, 2000 -- created
 777 */
 778
 779 #include "MacTextEditor.h"
 780
 781 /* part codes */
 782
 783 /* kmUPTextPart is the part code we return to indicate the user has clicked
 784     in the text area of our control */
 785 #define kmUPTextPart 1
 786
 787 /* kmUPScrollPart is the part code we return to indicate the user has clicked
 788     in the scroll bar part of the control. */
 789 #define kmUPScrollPart 2
 790
 791
 792 /* routines for using existing user pane controls.
 793     These routines are useful for cases where you would like to use an
 794     existing user pane control in, say, a dialog window as a scrolling
 795     text edit field.*/
 796
 797 /* mUPOpenControl initializes a user pane control so it will be drawn
 798     and will behave as a scrolling text edit field inside of a window.
 799     This routine performs all of the initialization steps necessary,
 800     except it does not create the user pane control itself.  theControl
 801     should refer to a user pane control that you have either created
 802     yourself or extracted from a dialog's control heirarchy using
 803     the GetDialogItemAsControl routine.  */
 804 OSStatus mUPOpenControl(ControlHandle theControl);
 805
 806 /* mUPCloseControl deallocates all of the structures allocated
 807     by mUPOpenControl.  */
 808 OSStatus mUPCloseControl(ControlHandle theControl);
 809
 810
 811
 812 /* routines for creating new scrolling text user pane controls.
 813     These routines allow you to create new scrolling text
 814     user pane controls. */
 815
 816 /* mUPCreateControl creates a new user pane control and then it passes it
 817     to mUPOpenControl to initialize it as a scrolling text user pane control. */
 818 OSStatus mUPCreateControl(WindowPtr theWindow, Rect *bounds, ControlHandle *theControl);
 819
 820 /* mUPDisposeControl calls mUPCloseControl and then it calls DisposeControl. */
 821 OSStatus mUPDisposeControl(ControlHandle theControl);
 822
 823
 824 /* Utility Routines */
 825
 826     /* mUPSetText replaces the contents of the selection with the unicode
 827     text described by the text and count parameters:.
 828         text = pointer to unicode text buffer
 829         count = number of bytes in the buffer.  */
 830 OSStatus mUPSetText(ControlHandle theControl, char* text, long count);
 831
 832 /* mUPGetText returns the current text data being displayed inside of
 833     the mUPControl.  When noErr is returned, *theText contain a new
 834     handle containing all of the Unicode text copied from the current
 835     selection.  It is the caller's responsibiliby to dispose of this handle. */
 836 OSStatus mUPGetText(ControlHandle theControl, Handle *theText);
 837
 838
 839 /* mUPSetSelection sets the text selection and autoscrolls the text view
 840     so either the cursor or the selction is in the view. */
 841 void mUPSetSelection(ControlHandle theControl, long selStart, long selEnd);
 842
 843
 844
 845 /* IsmUPControl returns true if theControl is not NULL
 846     and theControl refers to a mUP Control.  */
 847 Boolean IsmUPControl(ControlHandle theControl);
 848
 849
 850
 851 /* Edit commands for mUP Controls. */
 852 enum {
 853     kmUPCut = 1,
 854     kmUPCopy = 2,
 855     kmUPPaste = 3,
 856     kmUPClear = 4
 857 };
 858
 859
 860 /* mUPDoEditCommand performs the editing command specified
 861     in the editCommand parameter.  The mUPControl's text
 862     and scroll bar are redrawn and updated as necessary. */
 863 void mUPDoEditCommand(ControlHandle theControl, short editCommand);
 864
 865
 866
 867
 868 /* mUPGetContents returns the entire contents of the control including the text
 869     and the formatting information. */
 870 OSStatus mUPGetContents(ControlHandle theControl, Handle *theContents);
 871 /* mUPSetContents replaces the contents of the selection with the data stored in the handle. */
 872 OSStatus mUPSetContents(ControlHandle theControl, Handle theContents);
 873
 874 enum {
 875     kShiftKeyCode = 56
 876 };
 877
 878 /* kUserClickedToFocusPart is a part code we pass to the SetKeyboardFocus
 879     routine.  In our focus switching routine this part code is understood
 880     as meaning 'the user has clicked in the control and we need to switch
 881     the current focus to ourselves before we can continue'. */
 882 #define kUserClickedToFocusPart 100
 883
 884
 885 /* kmUPClickScrollDelayTicks is a time measurement in ticks used to
 886     slow the speed of 'auto scrolling' inside of our clickloop routine.
 887     This value prevents the text from wizzzzzing by while the mouse
 888     is being held down inside of the text area. */
 889 #define kmUPClickScrollDelayTicks 3
 890
 891
 892 /* STPTextPaneVars is a structure used for storing the the mUP Control's
 893     internal variables and state information.  A handle to this record is
 894     stored in the pane control's reference value field using the
 895     SetControlReference routine. */
 896
 897 typedef struct {
 898         /* OS records referenced */
 899     TXNObject fTXNRec; /* the txn record */
 900     TXNFrameID fTXNFrame; /* the txn frame ID */
 901     ControlHandle fUserPaneRec;  /* handle to the user pane control */
 902     WindowPtr fOwner; /* window containing control */
 903     GrafPtr fDrawingEnvironment; /* grafport where control is drawn */
 904         /* flags */
 905     Boolean fInFocus; /* true while the focus rect is drawn around the control */
 906     Boolean fIsActive; /* true while the control is drawn in the active state */
 907     Boolean fTEActive; /* reflects the activation state of the text edit record */
 908     Boolean fInDialogWindow; /* true if displayed in a dialog window */
 909         /* calculated locations */
 910     Rect fRTextArea; /* area where the text is drawn */
 911     Rect fRFocusOutline;  /* rectangle used to draw the focus box */
 912     Rect fRTextOutline; /* rectangle used to draw the border */
 913     RgnHandle fTextBackgroundRgn; /* background region for the text, erased before calling TEUpdate */
 914         /* our focus advance override routine */
 915     EventHandlerUPP handlerUPP;
 916     EventHandlerRef handlerRef;
 917 } STPTextPaneVars;
 918
 919
 920
 921
 922 /* Univerals Procedure Pointer variables used by the
 923     mUP Control.  These variables are set up
 924     the first time that mUPOpenControl is called. */
 925 ControlUserPaneDrawUPP gTPDrawProc = NULL;
 926 ControlUserPaneHitTestUPP gTPHitProc = NULL;
 927 ControlUserPaneTrackingUPP gTPTrackProc = NULL;
 928 ControlUserPaneIdleUPP gTPIdleProc = NULL;
 929 ControlUserPaneKeyDownUPP gTPKeyProc = NULL;
 930 ControlUserPaneActivateUPP gTPActivateProc = NULL;
 931 ControlUserPaneFocusUPP gTPFocusProc = NULL;
 932
 933     /* events handled by our focus advance override routine */
 934 #if TARGET_CARBON
 935 static const EventTypeSpec gMLTEEvents[] = { { kEventClassTextInput, kEventTextInputUnicodeForKeyEvent } };
 936 #define kMLTEEventCount (sizeof( gMLTEEvents ) / sizeof( EventTypeSpec ))
 937 #endif
 938
 939
 940 /* TPActivatePaneText activates or deactivates the text edit record
 941     according to the value of setActive.  The primary purpose of this
 942     routine is to ensure each call is only made once. */
 943 static void TPActivatePaneText(STPTextPaneVars **tpvars, Boolean setActive) {
 944     STPTextPaneVars *varsp;
 945     varsp = *tpvars;
 946     if (varsp->fTEActive != setActive) {
 947
 948         varsp->fTEActive = setActive;
 949
 950         TXNActivate(varsp->fTXNRec, varsp->fTXNFrame, varsp->fTEActive);
 951
 952         if (varsp->fInFocus)
 953             TXNFocus( varsp->fTXNRec, varsp->fTEActive);
 954     }
 955 }
 956
 957
 958 /* TPFocusPaneText set the focus state for the text record. */
 959 static void TPFocusPaneText(STPTextPaneVars **tpvars, Boolean setFocus) {
 960     STPTextPaneVars *varsp;
 961     varsp = *tpvars;
 962     if (varsp->fInFocus != setFocus) {
 963         varsp->fInFocus = setFocus;
 964         TXNFocus( varsp->fTXNRec, varsp->fInFocus);
 965     }
 966 }
 967
 968
 969 /* TPPaneDrawProc is called to redraw the control and for update events
 970     referring to the control.  This routine erases the text area's background,
 971     and redraws the text.  This routine assumes the scroll bar has been
 972     redrawn by a call to DrawControls. */
 973 static pascal void TPPaneDrawProc(ControlRef theControl, ControlPartCode thePart) {
 974     STPTextPaneVars **tpvars, *varsp;
 975     char state;
 976     Rect bounds;
 977         /* set up our globals */
 978     tpvars = (STPTextPaneVars **) GetControlReference(theControl);
 979     if (tpvars != NULL) {
 980         state = HGetState((Handle) tpvars);
 981         HLock((Handle) tpvars);
 982         varsp = *tpvars;
 983
 984             /* save the drawing state */
 985         SetPort((**tpvars).fDrawingEnvironment);
 986             /* verify our boundary */
 987         GetControlBounds(theControl, &bounds);
 988         if ( ! EqualRect(&bounds, &varsp->fRTextArea) ) {
 989             SetRect(&varsp->fRFocusOutline, bounds.left, bounds.top, bounds.right, bounds.bottom);
 990             SetRect(&varsp->fRTextOutline, bounds.left, bounds.top, bounds.right, bounds.bottom);
 991             SetRect(&varsp->fRTextArea, bounds.left, bounds.top, bounds.right, bounds.bottom);
 992             RectRgn(varsp->fTextBackgroundRgn, &varsp->fRTextOutline);
 993             TXNSetFrameBounds(  varsp->fTXNRec, bounds.top, bounds.left, bounds.bottom, bounds.right, varsp->fTXNFrame);
 994         }
 995
 996             /* update the text region */
 997         EraseRgn(varsp->fTextBackgroundRgn);
 998         TXNDraw(varsp->fTXNRec, NULL);
 999             /* restore the drawing environment */
1000             /* draw the text frame and focus frame (if necessary) */
1001         DrawThemeEditTextFrame(&varsp->fRTextOutline, varsp->fIsActive ? kThemeStateActive: kThemeStateInactive);
1002         if ((**tpvars).fIsActive && varsp->fInFocus) DrawThemeFocusRect(&varsp->fRFocusOutline, true);
1003             /* release our globals */
1004         HSetState((Handle) tpvars, state);
1005     }
1006 }
1007
1008
1009 /* TPPaneHitTestProc is called when the control manager would
1010     like to determine what part of the control the mouse resides over.
1011     We also call this routine from our tracking proc to determine how
1012     to handle mouse clicks. */
1013 static pascal ControlPartCode TPPaneHitTestProc(ControlHandle theControl, Point where) {
1014     STPTextPaneVars **tpvars;
1015     ControlPartCode result;
1016     char state;
1017         /* set up our locals and lock down our globals*/
1018     result = 0;
1019     tpvars = (STPTextPaneVars **) GetControlReference(theControl);
1020     if (tpvars != NULL) {
1021         state = HGetState((Handle) tpvars);
1022         HLock((Handle) tpvars);
1023             /* find the region where we clicked */
1024         if (PtInRect(where, &(**tpvars).fRTextArea)) {
1025             result = kmUPTextPart;
1026         } else result = 0;
1027             /* release oure globals */
1028         HSetState((Handle) tpvars, state);
1029     }
1030     return result;
1031 }
1032
1033
1034
1035
1036
1037 /* TPPaneTrackingProc is called when the mouse is being held down
1038     over our control.  This routine handles clicks in the text area
1039     and in the scroll bar. */
1040 static pascal ControlPartCode TPPaneTrackingProc(ControlHandle theControl, Point startPt, ControlActionUPP actionProc) {
1041     STPTextPaneVars **tpvars, *varsp;
1042     char state;
1043     ControlPartCode partCodeResult;
1044         /* make sure we have some variables... */
1045     partCodeResult = 0;
1046     tpvars = (STPTextPaneVars **) GetControlReference(theControl);
1047     if (tpvars != NULL) {
1048             /* lock 'em down */
1049         state = HGetState((Handle) tpvars);
1050         HLock((Handle) tpvars);
1051         varsp = *tpvars;
1052             /* we don't do any of these functions unless we're in focus */
1053         if ( ! varsp->fInFocus) {
1054             WindowPtr owner;
1055             owner = GetControlOwner(theControl);
1056             ClearKeyboardFocus(owner);
1057             SetKeyboardFocus(owner, theControl, kUserClickedToFocusPart);
1058         }
1059             /* find the location for the click */
1060         switch (TPPaneHitTestProc(theControl, startPt)) {
1061
1062                 /* handle clicks in the text part */
1063             case kmUPTextPart:
1064                 {   SetPort((**tpvars).fDrawingEnvironment);
1065                     TXNClick( varsp->fTXNRec, GetCurrentEventRecord());
1066                 }
1067                 break;
1068
1069         }
1070
1071         HSetState((Handle) tpvars, state);
1072     }
1073     return partCodeResult;
1074 }
1075
1076
1077 /* TPPaneIdleProc is our user pane idle routine.  When our text field
1078     is active and in focus, we use this routine to set the cursor. */
1079 static pascal void TPPaneIdleProc(ControlHandle theControl) {
1080     STPTextPaneVars **tpvars, *varsp;
1081         /* set up locals */
1082     tpvars = (STPTextPaneVars **) GetControlReference(theControl);
1083     if (tpvars != NULL) {
1084             /* if we're not active, then we have nothing to say about the cursor */
1085         if ((**tpvars).fIsActive) {
1086             char state;
1087             Rect bounds;
1088             Point mousep;
1089                 /* lock down the globals */
1090             state = HGetState((Handle) tpvars);
1091             HLock((Handle) tpvars);
1092             varsp = *tpvars;
1093                 /* get the current mouse coordinates (in our window) */
1094 #if TARGET_CARBON
1095             SetPort(GetWindowPort(GetControlOwner(theControl)));
1096 #else
1097             SetPort((GrafPtr) GetWindowPort(GetControlOwner(theControl)));
1098 #endif
1099             GetMouse(&mousep);
1100                 /* there's a 'focus thing' and an 'unfocused thing' */
1101             if (varsp->fInFocus) {
1102                     /* flash the cursor */
1103                 SetPort((**tpvars).fDrawingEnvironment);
1104                 TXNIdle(varsp->fTXNRec);
1105                 /* set the cursor */
1106                 if (PtInRect(mousep, &varsp->fRTextArea)) {
1107                     RgnHandle theRgn;
1108                     RectRgn((theRgn = NewRgn()), &varsp->fRTextArea);
1109                     TXNAdjustCursor(varsp->fTXNRec, theRgn);
1110                     DisposeRgn(theRgn);
1111                  } else SetThemeCursor(kThemeArrowCursor);
1112             } else {
1113                 /* if it's in our bounds, set the cursor */
1114                 GetControlBounds(theControl, &bounds);
1115                 if (PtInRect(mousep, &bounds))
1116                     SetThemeCursor(kThemeArrowCursor);
1117             }
1118
1119             HSetState((Handle) tpvars, state);
1120         }
1121     }
1122 }
1123
1124
1125 /* TPPaneKeyDownProc is called whenever a keydown event is directed
1126     at our control.  Here, we direct the keydown event to the text
1127     edit record and redraw the scroll bar and text field as appropriate. */
1128 static pascal ControlPartCode TPPaneKeyDownProc(ControlHandle theControl,
1129                             SInt16 keyCode, SInt16 charCode, SInt16 modifiers) {
1130     STPTextPaneVars **tpvars;
1131     tpvars = (STPTextPaneVars **) GetControlReference(theControl);
1132     if (tpvars != NULL) {
1133         if ((**tpvars).fInFocus) {
1134                 /* turn autoscrolling on and send the key event to text edit */
1135             SetPort((**tpvars).fDrawingEnvironment);
1136             TXNKeyDown( (**tpvars).fTXNRec, GetCurrentEventRecord());
1137         }
1138     }
1139     return kControlEntireControl;
1140 }
1141
1142
1143 /* TPPaneActivateProc is called when the window containing
1144     the user pane control receives activate events. Here, we redraw
1145     the control and it's text as necessary for the activation state. */
1146 static pascal void TPPaneActivateProc(ControlHandle theControl, Boolean activating) {
1147     Rect bounds;
1148     STPTextPaneVars **tpvars, *varsp;
1149     char state;
1150         /* set up locals */
1151     tpvars = (STPTextPaneVars **) GetControlReference(theControl);
1152     if (tpvars != NULL) {
1153         state = HGetState((Handle) tpvars);
1154         HLock((Handle) tpvars);
1155         varsp = *tpvars;
1156             /* de/activate the text edit record */
1157         SetPort((**tpvars).fDrawingEnvironment);
1158             GetControlBounds(theControl, &bounds);
1159             varsp->fIsActive = activating;
1160             TPActivatePaneText(tpvars, varsp->fIsActive && varsp->fInFocus);
1161             /* redraw the frame */
1162         DrawThemeEditTextFrame(&varsp->fRTextOutline, varsp->fIsActive ? kThemeStateActive: kThemeStateInactive);
1163         if (varsp->fInFocus) DrawThemeFocusRect(&varsp->fRFocusOutline, varsp->fIsActive);
1164         HSetState((Handle) tpvars, state);
1165     }
1166 }
1167
1168
1169 /* TPPaneFocusProc is called when every the focus changes to or
1170     from our control.  Herein, switch the focus appropriately
1171     according to the parameters and redraw the control as
1172     necessary.  */
1173 static pascal ControlPartCode TPPaneFocusProc(ControlHandle theControl, ControlFocusPart action) {
1174     ControlPartCode focusResult;
1175     STPTextPaneVars **tpvars, *varsp;
1176     char state;
1177         /* set up locals */
1178     focusResult = kControlFocusNoPart;
1179     tpvars = (STPTextPaneVars **) GetControlReference(theControl);
1180     if (tpvars != NULL) {
1181         state = HGetState((Handle) tpvars);
1182         HLock((Handle) tpvars);
1183         varsp = *tpvars;
1184             /* if kControlFocusPrevPart and kControlFocusNextPart are received when the user is
1185             tabbing forwards (or shift tabbing backwards) through the items in the dialog,
1186             and kControlFocusNextPart will be received.  When the user clicks in our field
1187             and it is not the current focus, then the constant kUserClickedToFocusPart will
1188             be received.  The constant kControlFocusNoPart will be received when our control
1189             is the current focus and the user clicks in another control.  In your focus routine,
1190             you should respond to these codes as follows:
1191
1192             kControlFocusNoPart - turn off focus and return kControlFocusNoPart.  redraw
1193                 the control and the focus rectangle as necessary.
1194
1195             kControlFocusPrevPart or kControlFocusNextPart - toggle focus on or off
1196                 depending on its current state.  redraw the control and the focus rectangle
1197                 as appropriate for the new focus state.  If the focus state is 'off', return the constant
1198                 kControlFocusNoPart, otherwise return a non-zero part code.
1199             kUserClickedToFocusPart - is a constant defined for this example.  You should
1200                 define your own value for handling click-to-focus type events. */
1201             /* save the drawing state */
1202         SetPort((**tpvars).fDrawingEnvironment);
1203             /* calculate the next highlight state */
1204         switch (action) {
1205             default:
1206             case kControlFocusNoPart:
1207                 TPFocusPaneText(tpvars, false);
1208                 focusResult = kControlFocusNoPart;
1209                 break;
1210             case kUserClickedToFocusPart:
1211                 TPFocusPaneText(tpvars, true);
1212                 focusResult = 1;
1213                 break;
1214             case kControlFocusPrevPart:
1215             case kControlFocusNextPart:
1216                 TPFocusPaneText(tpvars, ( ! varsp->fInFocus));
1217                 focusResult = varsp->fInFocus ? 1 : kControlFocusNoPart;
1218                 break;
1219         }
1220             TPActivatePaneText(tpvars, varsp->fIsActive && varsp->fInFocus);
1221             /* redraw the text fram and focus rectangle to indicate the
1222             new focus state */
1223         DrawThemeEditTextFrame(&varsp->fRTextOutline, varsp->fIsActive ? kThemeStateActive: kThemeStateInactive);
1224         DrawThemeFocusRect(&varsp->fRFocusOutline, varsp->fIsActive && varsp->fInFocus);
1225             /* done */
1226         HSetState((Handle) tpvars, state);
1227     }
1228     return focusResult;
1229 }
1230
1231
1232
1233
1234
1235
1236
1237
1238
1239
1240
1241 //This our carbon event handler for unicode key downs
1242 #if TARGET_CARBON
1243 static pascal OSStatus FocusAdvanceOverride(EventHandlerCallRef myHandler, EventRef event, void* userData) {
1244     WindowRef window;
1245     STPTextPaneVars **tpvars;
1246     OSStatus err;
1247     unsigned short mUnicodeText;
1248     ByteCount charCounts=0;
1249         /* get our window pointer */
1250     tpvars = (STPTextPaneVars **) userData;
1251     window = (**tpvars).fOwner;
1252         //find out how many bytes are needed
1253     err = GetEventParameter(event, kEventParamTextInputSendText,
1254                 typeUnicodeText, NULL, 0, &charCounts, NULL);
1255     if (err != noErr) goto bail;
1256         /* we're only looking at single characters */
1257     if (charCounts != 2) { err = eventNotHandledErr; goto bail; }
1258         /* get the character */
1259     err = GetEventParameter(event, kEventParamTextInputSendText,
1260                 typeUnicodeText, NULL, sizeof(mUnicodeText),
1261                 &charCounts, (char*) &mUnicodeText);
1262     if (err != noErr) goto bail;
1263         /* if it's not the tab key, forget it... */
1264     if ((mUnicodeText != '\t')) { err = eventNotHandledErr; goto bail; }
1265         /* advance the keyboard focus */
1266     AdvanceKeyboardFocus(window);
1267         /* noErr lets the CEM know we handled the event */
1268     return noErr;
1269 bail:
1270     return eventNotHandledErr;
1271 }
1272 #endif
1273
1274
1275 /* mUPOpenControl initializes a user pane control so it will be drawn
1276         and will behave as a scrolling text edit field inside of a window.
1277         This routine performs all of the initialization steps necessary,
1278         except it does not create the user pane control itself.  theControl
1279         should refer to a user pane control that you have either created
1280         yourself or extracted from a dialog's control heirarchy using
1281         the GetDialogItemAsControl routine.  */
1282 OSStatus mUPOpenControl(ControlHandle theControl, bool multiline) {
1283         Rect bounds;
1284         WindowPtr theWindow;
1285         STPTextPaneVars **tpvars, *varsp;
1286         OSStatus err;
1287         RGBColor rgbWhite = {0xFFFF, 0xFFFF, 0xFFFF};
1288         TXNBackground tback;
1289
1290                 /* set up our globals */
1291         if (gTPDrawProc == NULL) gTPDrawProc = NewControlUserPaneDrawUPP(TPPaneDrawProc);
1292         if (gTPHitProc == NULL) gTPHitProc = NewControlUserPaneHitTestUPP(TPPaneHitTestProc);
1293         if (gTPTrackProc == NULL) gTPTrackProc = NewControlUserPaneTrackingUPP(TPPaneTrackingProc);
1294         if (gTPIdleProc == NULL) gTPIdleProc = NewControlUserPaneIdleUPP(TPPaneIdleProc);
1295         if (gTPKeyProc == NULL) gTPKeyProc = NewControlUserPaneKeyDownUPP(TPPaneKeyDownProc);
1296         if (gTPActivateProc == NULL) gTPActivateProc = NewControlUserPaneActivateUPP(TPPaneActivateProc);
1297         if (gTPFocusProc == NULL) gTPFocusProc = NewControlUserPaneFocusUPP(TPPaneFocusProc);
1298
1299                 /* allocate our private storage */
1300         tpvars = (STPTextPaneVars **) NewHandleClear(sizeof(STPTextPaneVars));
1301         SetControlReference(theControl, (long) tpvars);
1302         HLock((Handle) tpvars);
1303         varsp = *tpvars;
1304                 /* set the initial settings for our private data */
1305         varsp->fInFocus = false;
1306         varsp->fIsActive = true;
1307         varsp->fTEActive = false;
1308         varsp->fUserPaneRec = theControl;
1309         theWindow = varsp->fOwner = GetControlOwner(theControl);
1310 #if TARGET_CARBON
1311     varsp->fDrawingEnvironment = GetWindowPort(varsp->fOwner);
1312 #else
1313     varsp->fDrawingEnvironment = (GrafPtr) GetWindowPort(varsp->fOwner);
1314 #endif
1315     varsp->fInDialogWindow = ( GetWindowKind(varsp->fOwner) == kDialogWindowKind );
1316         /* set up the user pane procedures */
1317     SetControlData(theControl, kControlEntireControl, kControlUserPaneDrawProcTag, sizeof(gTPDrawProc), &gTPDrawProc);
1318     SetControlData(theControl, kControlEntireControl, kControlUserPaneHitTestProcTag, sizeof(gTPHitProc), &gTPHitProc);
1319     SetControlData(theControl, kControlEntireControl, kControlUserPaneTrackingProcTag, sizeof(gTPTrackProc), &gTPTrackProc);
1320     SetControlData(theControl, kControlEntireControl, kControlUserPaneIdleProcTag, sizeof(gTPIdleProc), &gTPIdleProc);
1321     SetControlData(theControl, kControlEntireControl, kControlUserPaneKeyDownProcTag, sizeof(gTPKeyProc), &gTPKeyProc);
1322     SetControlData(theControl, kControlEntireControl, kControlUserPaneActivateProcTag, sizeof(gTPActivateProc), &gTPActivateProc);
1323     SetControlData(theControl, kControlEntireControl, kControlUserPaneFocusProcTag, sizeof(gTPFocusProc), &gTPFocusProc);
1324         /* calculate the rectangles used by the control */
1325     GetControlBounds(theControl, &bounds);
1326     SetRect(&varsp->fRFocusOutline, bounds.left, bounds.top, bounds.right, bounds.bottom);
1327     SetRect(&varsp->fRTextOutline, bounds.left, bounds.top, bounds.right, bounds.bottom);
1328     SetRect(&varsp->fRTextArea, bounds.left, bounds.top, bounds.right, bounds.bottom);
1329         /* calculate the background region for the text.  In this case, it's kindof
1330         and irregular region because we're setting the scroll bar a little ways inside
1331         of the text area. */
1332     RectRgn((varsp->fTextBackgroundRgn = NewRgn()), &varsp->fRTextOutline);
1333
1334         /* set up the drawing environment */
1335     SetPort(varsp->fDrawingEnvironment);
1336
1337         /* create the new edit field */
1338     TXNNewObject(NULL, varsp->fOwner, &varsp->fRTextArea,
1339         kTXNWantVScrollBarMask | kTXNAlwaysWrapAtViewEdgeMask,
1340         kTXNTextEditStyleFrameType,
1341         kTXNTextensionFile,
1342         kTXNSystemDefaultEncoding,
1343         &varsp->fTXNRec, &varsp->fTXNFrame, (TXNObjectRefcon) tpvars);
1344
1345         /* set the field's background */
1346     tback.bgType = kTXNBackgroundTypeRGB;
1347     tback.bg.color = rgbWhite;
1348     TXNSetBackground( varsp->fTXNRec, &tback);
1349
1350         /* install our focus advance override routine */
1351 #if TARGET_CARBON
1352     varsp->handlerUPP = NewEventHandlerUPP(FocusAdvanceOverride);
1353     err = InstallWindowEventHandler( varsp->fOwner, varsp->handlerUPP,
1354         kMLTEEventCount, gMLTEEvents, tpvars, &varsp->handlerRef );
1355 #endif
1356         /* unlock our storage */
1357     HUnlock((Handle) tpvars);
1358         /* perform final activations and setup for our text field.  Here,
1359         we assume that the window is going to be the 'active' window. */
1360     TPActivatePaneText(tpvars, varsp->fIsActive && varsp->fInFocus);
1361         /* all done */
1362     return noErr;
1363 }
1364
1365
1366
1367 /* mUPCloseControl deallocates all of the structures allocated
1368     by mUPOpenControl.  */
1369 OSStatus mUPCloseControl(ControlHandle theControl) {
1370     STPTextPaneVars **tpvars;
1371         /* set up locals */
1372     tpvars = (STPTextPaneVars **) GetControlReference(theControl);
1373         /* release our sub records */
1374     TXNDeleteObject((**tpvars).fTXNRec);
1375         /* remove our focus advance override */
1376     RemoveEventHandler((**tpvars).handlerRef);
1377     DisposeEventHandlerUPP((**tpvars).handlerUPP);
1378         /* delete our private storage */
1379     DisposeHandle((Handle) tpvars);
1380         /* zero the control reference */
1381     SetControlReference(theControl, 0);
1382     return noErr;
1383 }
1384
1385
1386
1387
1388     /* mUPSetText replaces the contents of the selection with the unicode
1389     text described by the text and count parameters:.
1390         text = pointer to unicode text buffer
1391         count = number of bytes in the buffer.  */
1392 OSStatus mUPSetText(ControlHandle theControl, char* text, long count) {
1393     STPTextPaneVars **tpvars;
1394         /* set up locals */
1395     tpvars = (STPTextPaneVars **) GetControlReference(theControl);
1396         /* set the text in the record */
1397     return TXNSetData( (**tpvars).fTXNRec, kTXNUnicodeTextData, text, count,
1398         kTXNUseCurrentSelection, kTXNUseCurrentSelection);
1399
1400     return noErr;
1401 }
1402
1403
1404 /* mUPSetSelection sets the text selection and autoscrolls the text view
1405     so either the cursor or the selction is in the view. */
1406 void mUPSetSelection(ControlHandle theControl, long selStart, long selEnd) {
1407     STPTextPaneVars **tpvars;
1408         /* set up our locals */
1409     tpvars = (STPTextPaneVars **) GetControlReference(theControl);
1410         /* and our drawing environment as the operation
1411         may force a redraw in the text area. */
1412     SetPort((**tpvars).fDrawingEnvironment);
1413         /* change the selection */
1414     TXNSetSelection( (**tpvars).fTXNRec, selStart, selEnd);
1415 }
1416
1417
1418
1419
1420
1421 /* mUPGetText returns the current text data being displayed inside of
1422     the mUPControl.  When noErr is returned, *theText contain a new
1423     handle containing all of the Unicode text copied from the current
1424     selection.  It is the caller's responsibiliby to dispose of this handle. */
1425 OSStatus mUPGetText(ControlHandle theControl, Handle *theText) {
1426     STPTextPaneVars **tpvars;
1427     OSStatus err;
1428         /* set up locals */
1429     tpvars = (STPTextPaneVars **) GetControlReference(theControl);
1430         /* extract the text from the record */
1431     err = TXNGetData( (**tpvars).fTXNRec, kTXNUseCurrentSelection, kTXNUseCurrentSelection, theText);
1432         /* all done */
1433     return err;
1434 }
1435
1436
1437
1438 /* mUPCreateControl creates a new user pane control and then it passes it
1439     to mUPOpenControl to initialize it as a scrolling text user pane control. */
1440 OSStatus mUPCreateControl(WindowPtr theWindow, Rect *bounds, ControlHandle *theControl) {
1441     short featurSet;
1442         /* the following feature set can be specified in CNTL resources by using
1443         the value 1214.  When creating a user pane control, we pass this value
1444         in the 'value' parameter. */
1445     featurSet = kControlSupportsEmbedding | kControlSupportsFocus | kControlWantsIdle
1446             | kControlWantsActivate | kControlHandlesTracking | kControlHasSpecialBackground
1447             | kControlGetsFocusOnClick | kControlSupportsLiveFeedback;
1448         /* create the control */
1449     *theControl = NewControl(theWindow, bounds, "\p", true, featurSet, 0, featurSet, kControlUserPaneProc, 0);
1450         /* set up the mUP specific features and data */
1451     mUPOpenControl(*theControl);
1452         /* all done.... */
1453     return noErr;
1454 }
1455
1456
1457 /* mUPDisposeControl calls mUPCloseControl and then it calls DisposeControl. */
1458 OSStatus mUPDisposeControl(ControlHandle theControl) {
1459         /* deallocate the mUP specific data */
1460     mUPCloseControl(theControl);
1461         /* deallocate the user pane control itself */
1462     DisposeControl(theControl);
1463     return noErr;
1464 }
1465
1466
1467
1468
1469 /* IsmUPControl returns true if theControl is not NULL
1470     and theControl refers to a mUP Control.  */
1471 Boolean IsmUPControl(ControlHandle theControl) {
1472     Size theSize;
1473     ControlUserPaneFocusUPP localFocusProc;
1474         /* a NULL control is not a mUP control */
1475     if (theControl == NULL) return false;
1476         /* check if the control is using our focus procedure */
1477     theSize = sizeof(localFocusProc);
1478     if (GetControlData(theControl, kControlEntireControl, kControlUserPaneFocusProcTag,
1479         sizeof(localFocusProc), &localFocusProc, &theSize) != noErr) return false;
1480     if (localFocusProc != gTPFocusProc) return false;
1481         /* all tests passed, it's a mUP control */
1482     return true;
1483 }
1484
1485
1486 /* mUPDoEditCommand performs the editing command specified
1487     in the editCommand parameter.  The mUPControl's text
1488     and scroll bar are redrawn and updated as necessary. */
1489 void mUPDoEditCommand(ControlHandle theControl, short editCommand) {
1490     STPTextPaneVars **tpvars;
1491         /* set up our locals */
1492     tpvars = (STPTextPaneVars **) GetControlReference(theControl);
1493         /* and our drawing environment as the operation
1494         may force a redraw in the text area. */
1495     SetPort((**tpvars).fDrawingEnvironment);
1496         /* perform the editing command */
1497     switch (editCommand) {
1498         case kmUPCut:
1499             ClearCurrentScrap();
1500             TXNCut((**tpvars).fTXNRec);
1501             TXNConvertToPublicScrap();
1502             break;
1503         case kmUPCopy:
1504             ClearCurrentScrap();
1505             TXNCopy((**tpvars).fTXNRec);
1506             TXNConvertToPublicScrap();
1507             break;
1508         case kmUPPaste:
1509             TXNConvertFromPublicScrap();
1510             TXNPaste((**tpvars).fTXNRec);
1511             break;
1512         case kmUPClear:
1513             TXNClear((**tpvars).fTXNRec);
1514             break;
1515     }
1516 }
1517
1518
1519
1520
1521 /* mUPGetContents returns the entire contents of the control including the text
1522     and the formatting information. */
1523 OSStatus mUPGetContents(ControlHandle theControl, Handle *theContents) {
1524     STPTextPaneVars **tpvars;
1525     OSStatus err;
1526     short vRefNum;
1527     long dirID;
1528     FSSpec tspec;
1529     short trefnum;
1530     Boolean texists;
1531     long bytecount;
1532     Handle localdata;
1533         /* set up locals */
1534     trefnum = 0;
1535     texists = false;
1536     localdata = NULL;
1537     tpvars = (STPTextPaneVars **) GetControlReference(theControl);
1538     if (theContents == NULL) return paramErr;
1539         /* create a temporary file */
1540     err = FindFolder(kOnSystemDisk, kTemporaryFolderType, true, &vRefNum, &dirID);
1541     if (err != noErr) goto bail;
1542     FSMakeFSSpec(vRefNum, dirID, "\pmUPGetContents", &tspec);
1543     err = FSpCreate(&tspec, 'trsh', 'trsh', smSystemScript);
1544     if (err != noErr) goto bail;
1545     texists = true;
1546         /* open the file */
1547     err = FSpOpenDF(&tspec, fsRdWrPerm, &trefnum);
1548     if (err != noErr) goto bail;
1549         /* save the data */
1550     err = TXNSave( (**tpvars).fTXNRec, kTXNTextensionFile, 0, kTXNSystemDefaultEncoding, &tspec, trefnum, 0);
1551     if (err != noErr) goto bail;
1552         /* get the file length and set the position */
1553     err = GetEOF(trefnum, &bytecount);
1554     if (err != noErr) goto bail;
1555     err = SetFPos(trefnum, fsFromStart, 0);
1556     if (err != noErr) goto bail;
1557         /* copy the data fork to a handle */
1558     localdata = NewHandle(bytecount);
1559     if (localdata == NULL) { err = memFullErr; goto bail; }
1560     HLock(localdata);
1561     err = FSRead(trefnum, &bytecount, *localdata);
1562     HUnlock(localdata);
1563     if (err != noErr) goto bail;
1564         /* store result */
1565     *theContents = localdata;
1566         /* clean up */
1567     FSClose(trefnum);
1568     FSpDelete(&tspec);
1569         /* all done */
1570     return noErr;
1571 bail:
1572     if (trefnum != 0) FSClose(trefnum);
1573     if (texists) FSpDelete(&tspec);
1574     if (localdata != NULL) DisposeHandle(localdata);
1575     return err;
1576 }
1577
1578
1579
1580
1581 /* mUPSetContents replaces the contents of the selection with the data stored in the handle. */
1582 OSStatus mUPSetContents(ControlHandle theControl, Handle theContents) {
1583     STPTextPaneVars **tpvars;
1584     OSStatus err;
1585     short vRefNum;
1586     long dirID;
1587     FSSpec tspec;
1588     short trefnum;
1589     Boolean texists;
1590     long bytecount;
1591     char state;
1592         /* set up locals */
1593     trefnum = 0;
1594     texists = false;
1595     tpvars = (STPTextPaneVars **) GetControlReference(theControl);
1596     if (theContents == NULL) return paramErr;
1597         /* create a temporary file */
1598     err = FindFolder(kOnSystemDisk,  kTemporaryFolderType, true, &vRefNum, &dirID);
1599     if (err != noErr) goto bail;
1600     FSMakeFSSpec(vRefNum, dirID, "\pmUPSetContents", &tspec);
1601     err = FSpCreate(&tspec, 'trsh', 'trsh', smSystemScript);
1602     if (err != noErr) goto bail;
1603     texists = true;
1604         /* open the file */
1605     err = FSpOpenDF(&tspec, fsRdWrPerm, &trefnum);
1606     if (err != noErr) goto bail;
1607         /* save the data to the temporary file */
1608     state = HGetState(theContents);
1609     HLock(theContents);
1610     bytecount = GetHandleSize(theContents);
1611     err = FSWrite(trefnum, &bytecount, *theContents);
1612     HSetState(theContents, state);
1613     if (err != noErr) goto bail;
1614         /* reset the file position */
1615     err = SetFPos(trefnum, fsFromStart, 0);
1616     if (err != noErr) goto bail;
1617         /* load the data */
1618     err = TXNSetDataFromFile((**tpvars).fTXNRec, trefnum, kTXNTextensionFile, bytecount, kTXNUseCurrentSelection, kTXNUseCurrentSelection);
1619     if (err != noErr) goto bail;
1620         /* clean up */
1621     FSClose(trefnum);
1622     FSpDelete(&tspec);
1623         /* all done */
1624     return noErr;
1625 bail:
1626     if (trefnum != 0) FSClose(trefnum);
1627     if (texists) FSpDelete(&tspec);
1628     return err;
1629 }
1630
1631 #if !USE_SHARED_LIBRARY
1632 IMPLEMENT_DYNAMIC_CLASS(wxTextCtrl, wxControl)
1633
1634 BEGIN_EVENT_TABLE(wxTextCtrl, wxControl)
1635     EVT_DROP_FILES(wxTextCtrl::OnDropFiles)
1636     EVT_CHAR(wxTextCtrl::OnChar)
1637     EVT_MENU(wxID_CUT, wxTextCtrl::OnCut)
1638     EVT_MENU(wxID_COPY, wxTextCtrl::OnCopy)
1639     EVT_MENU(wxID_PASTE, wxTextCtrl::OnPaste)
1640     EVT_MENU(wxID_UNDO, wxTextCtrl::OnUndo)
1641     EVT_MENU(wxID_REDO, wxTextCtrl::OnRedo)
1642
1643     EVT_UPDATE_UI(wxID_CUT, wxTextCtrl::OnUpdateCut)
1644     EVT_UPDATE_UI(wxID_COPY, wxTextCtrl::OnUpdateCopy)
1645     EVT_UPDATE_UI(wxID_PASTE, wxTextCtrl::OnUpdatePaste)
1646     EVT_UPDATE_UI(wxID_UNDO, wxTextCtrl::OnUpdateUndo)
1647     EVT_UPDATE_UI(wxID_REDO, wxTextCtrl::OnUpdateRedo)
1648 END_EVENT_TABLE()
1649 #endif
1650
1651 // Text item
1652 wxTextCtrl::wxTextCtrl()
1653 {
1654 }
1655
1656 const short kVerticalMargin = 2 ;
1657 const short kHorizontalMargin = 2 ;
1658
1659 bool wxTextCtrl::Create(wxWindow *parent, wxWindowID id,
1660            const wxString& st,
1661            const wxPoint& pos,
1662            const wxSize& size, long style,
1663            const wxValidator& validator,
1664            const wxString& name)
1665 {
1666     // base initialization
1667     if ( !CreateBase(parent, id, pos, size, style, validator, name) )
1668         return FALSE;
1669
1670     wxSize mySize = size ;
1671     if ( UMAHasAppearance() )
1672     {
1673         m_macHorizontalBorder = 5 ; // additional pixels around the real control
1674         m_macVerticalBorder = 5 ;
1675     }
1676     else
1677     {
1678         m_macHorizontalBorder = 0 ; // additional pixels around the real control
1679         m_macVerticalBorder = 0 ;
1680     }
1681
1682
1683     Rect bounds ;
1684     Str255 title ;
1685
1686     if ( mySize.y == -1 )
1687     {
1688         if ( UMAHasAppearance() )
1689             mySize.y = 13 ;
1690         else
1691             mySize.y = 24 ;
1692
1693         mySize.y += 2 * m_macVerticalBorder ;
1694     }
1695
1696     MacPreControlCreate( parent , id ,  "" , pos , mySize ,style, validator , name , &bounds , title ) ;
1697
1698     if ( m_windowStyle & wxTE_MULTILINE )
1699     {
1700         wxASSERT_MSG( !(m_windowStyle & wxTE_PROCESS_ENTER),
1701                       wxT("wxTE_PROCESS_ENTER style is ignored for multiline text controls (they always process it)") );
1702
1703         m_windowStyle |= wxTE_PROCESS_ENTER;
1704     }
1705
1706
1707     if ( style & wxTE_PASSWORD )
1708     {
1709       m_macControl = ::NewControl( MAC_WXHWND(parent->MacGetRootWindow()) , &bounds , "\p" , true , 0 , 0 , 1,
1710         kControlEditTextPasswordProc , (long) this ) ;
1711     }
1712     else
1713     {
1714     if ( mUPCreateControl(parent->MacGetRootWindow(), &bounds, &m_macControl) != noErr )
1715       return FALSE ;
1716     }
1717     MacPostControlCreate() ;
1718
1719     wxString value ;
1720
1721     if( wxApp::s_macDefaultEncodingIsPC )
1722         value = wxMacMakeMacStringFromPC( st ) ;
1723     else
1724         value = st ;
1725
1726     if ( style & wxTE_PASSWORD )
1727     {
1728       ::SetControlData( (ControlHandle) m_macControl, 0, ( m_windowStyle & wxTE_PASSWORD ) ? kControlEditTextPasswordTag : kControlEditTextTextTag , value.Length() , (char*) ((const char*)value) ) ;
1729   }
1730   else
1731   {
1732     STPTextPaneVars **tpvars;
1733         /* set up locals */
1734     tpvars = (STPTextPaneVars **) GetControlReference( (ControlHandle) m_macControl);
1735         /* set the text in the record */
1736     TXNSetData( (**tpvars).fTXNRec, kTXNTextData,  (const char*)value, value.Length(),
1737       kTXNStartOffset, kTXNEndOffset);
1738   }
1739
1740   return TRUE;
1741 }
1742
1743 wxString wxTextCtrl::GetValue() const
1744 {
1745     Size actualsize;
1746   if ( m_windowStyle & wxTE_PASSWORD )
1747   {
1748       ::GetControlData( (ControlHandle) m_macControl, 0, ( m_windowStyle & wxTE_PASSWORD ) ? kControlEditTextPasswordTag : kControlEditTextTextTag , 32767 , wxBuffer , &actualsize) ;
1749   }
1750   else
1751   {
1752     STPTextPaneVars **tpvars;
1753     OSStatus err;
1754         /* set up locals */
1755     tpvars = (STPTextPaneVars **) GetControlReference( (ControlHandle) m_macControl);
1756         /* extract the text from the record */
1757     Handle theText ;
1758     err = TXNGetDataEncoded( (**tpvars).fTXNRec, kTXNStartOffset, kTXNEndOffset, &theText , kTXNTextData );
1759         /* all done */
1760     if ( err )
1761     {
1762       actualsize = 0 ;
1763     }
1764     else
1765     {
1766       actualsize = GetHandleSize( theText ) ;
1767       strncpy( wxBuffer , *theText , actualsize ) ;
1768       DisposeHandle( theText ) ;
1769     }
1770   }
1771     wxBuffer[actualsize] = 0 ;
1772     if( wxApp::s_macDefaultEncodingIsPC )
1773         return wxMacMakePCStringFromMac( wxBuffer ) ;
1774     else
1775         return wxString(wxBuffer);
1776 }
1777
1778 void wxTextCtrl::GetSelection(long* from, long* to) const
1779 {
1780   if ( m_windowStyle & wxTE_PASSWORD )
1781   {
1782    ControlEditTextSelectionRec selection ;
1783    TEHandle teH ;
1784    long size ;
1785
1786    ::GetControlData( (ControlHandle) m_macControl , 0, kControlEditTextTEHandleTag , sizeof( TEHandle ) , (char*) &teH , &size ) ;
1787
1788     *from = (**teH).selStart;
1789     *to = (**teH).selEnd;
1790    }
1791    else
1792    {
1793         STPTextPaneVars **tpvars;
1794
1795             /* set up locals */
1796         tpvars = (STPTextPaneVars **) GetControlReference( (ControlHandle) m_macControl);
1797
1798         TXNGetSelection(  (**tpvars).fTXNRec , (TXNOffset*) from , (TXNOffset*) to ) ;
1799
1800    }
1801 }
1802
1803 void wxTextCtrl::SetValue(const wxString& st)
1804 {
1805     wxString value ;
1806
1807     if( wxApp::s_macDefaultEncodingIsPC )
1808         value = wxMacMakeMacStringFromPC( st ) ;
1809     else
1810         value = st ;
1811   if ( m_windowStyle & wxTE_PASSWORD )
1812   {
1813       ::SetControlData( (ControlHandle) m_macControl, 0, ( m_windowStyle & wxTE_PASSWORD ) ? kControlEditTextPasswordTag : kControlEditTextTextTag , value.Length() , (char*) ((const char*)value) ) ;
1814   }
1815   else
1816   {
1817     STPTextPaneVars **tpvars;
1818         /* set up locals */
1819     tpvars = (STPTextPaneVars **) GetControlReference( (ControlHandle) m_macControl);
1820         /* set the text in the record */
1821     TXNSetData( (**tpvars).fTXNRec, kTXNTextData,  (const char*)value, value.Length(),
1822       kTXNStartOffset, kTXNEndOffset);
1823   }
1824   MacRedrawControl() ;
1825 }
1826
1827 // Clipboard operations
1828 void wxTextCtrl::Copy()
1829 {
1830     if (CanCopy())
1831     {
1832       if ( m_windowStyle & wxTE_PASSWORD )
1833       {
1834             TEHandle teH ;
1835             long size ;
1836
1837                  ::GetControlData( (ControlHandle) m_macControl , 0, kControlEditTextTEHandleTag , sizeof( TEHandle ) , (char*) &teH , &size ) ;
1838                 TECopy( teH ) ;
1839                 ClearCurrentScrap();
1840                 TEToScrap() ;
1841         }
1842         else
1843         {
1844           mUPDoEditCommand( (ControlHandle) m_macControl , kmUPCopy ) ;
1845         }
1846         }
1847 }
1848
1849 void wxTextCtrl::Cut()
1850 {
1851     if (CanCut())
1852     {
1853       if ( m_windowStyle & wxTE_PASSWORD )
1854       {
1855             TEHandle teH ;
1856             long size ;
1857
1858                 ::GetControlData( (ControlHandle) m_macControl , 0, kControlEditTextTEHandleTag , sizeof( TEHandle ) , (char*) &teH , &size ) ;
1859                 TECut( teH ) ;
1860                 ClearCurrentScrap();
1861                 TEToScrap() ;
1862                 //      MacInvalidateControl() ;
1863     }
1864         else
1865         {
1866           mUPDoEditCommand( (ControlHandle) m_macControl , kmUPCut ) ;
1867         }
1868         }
1869 }
1870
1871 void wxTextCtrl::Paste()
1872 {
1873     if (CanPaste())
1874     {
1875     if ( m_windowStyle & wxTE_PASSWORD )
1876     {
1877             TEHandle teH ;
1878             long size ;
1879
1880                 ::GetControlData( (ControlHandle) m_macControl , 0, kControlEditTextTEHandleTag , sizeof( TEHandle ) , (char*) &teH , &size ) ;
1881                 TEFromScrap() ;
1882                 TEPaste( teH ) ;
1883       MacRedrawControl() ;
1884         }
1885         else
1886         {
1887           mUPDoEditCommand( (ControlHandle) m_macControl , kmUPPaste ) ;
1888         }
1889         }
1890 }
1891
1892 bool wxTextCtrl::CanCopy() const
1893 {
1894     // Can copy if there's a selection
1895     long from, to;
1896     GetSelection(& from, & to);
1897     return (from != to);
1898 }
1899
1900 bool wxTextCtrl::CanCut() const
1901 {
1902     // Can cut if there's a selection
1903     long from, to;
1904     GetSelection(& from, & to);
1905     return (from != to);
1906 }
1907
1908 bool wxTextCtrl::CanPaste() const
1909 {
1910     if (!IsEditable())
1911         return FALSE;
1912
1913     long offset ;
1914 #if TARGET_CARBON
1915     OSStatus err = noErr;
1916     ScrapRef scrapRef;
1917
1918     err = GetCurrentScrap( &scrapRef );
1919     if ( err != noTypeErr && err != memFullErr )
1920     {
1921         ScrapFlavorFlags    flavorFlags;
1922         Size                byteCount;
1923
1924         if (( err = GetScrapFlavorFlags( scrapRef, 'TEXT', &flavorFlags )) == noErr)
1925         {
1926             if (( err = GetScrapFlavorSize( scrapRef, 'TEXT', &byteCount )) == noErr)
1927             {
1928                 return TRUE ;
1929             }
1930         }
1931     }
1932     return FALSE;
1933
1934 #else
1935     if ( GetScrap( NULL , 'TEXT' , &offset ) > 0 )
1936     {
1937         return TRUE ;
1938     }
1939 #endif
1940     return FALSE ;
1941 }
1942
1943 void wxTextCtrl::SetEditable(bool editable)
1944 {
1945     if ( editable )
1946         UMAActivateControl( (ControlHandle) m_macControl ) ;
1947     else
1948         UMADeactivateControl( (ControlHandle) m_macControl ) ;
1949 }
1950
1951 void wxTextCtrl::SetInsertionPoint(long pos)
1952 {
1953     SetSelection( pos , pos ) ;
1954 }
1955
1956 void wxTextCtrl::SetInsertionPointEnd()
1957 {
1958     long pos = GetLastPosition();
1959     SetInsertionPoint(pos);
1960 }
1961
1962 long wxTextCtrl::GetInsertionPoint() const
1963 {
1964   long begin,end ;
1965   GetSelection( &begin , &end ) ;
1966   return begin ;
1967 }
1968
1969 long wxTextCtrl::GetLastPosition() const
1970 {
1971     if ( m_windowStyle & wxTE_PASSWORD )
1972   {
1973
1974    ControlEditTextSelectionRec selection ;
1975    TEHandle teH ;
1976    long size ;
1977
1978    ::GetControlData( (ControlHandle) m_macControl , 0, kControlEditTextTEHandleTag , sizeof( TEHandle ) , (char*) &teH , &size ) ;
1979
1980 //   ::GetControlData( (ControlHandle) m_macControl , 0, kControlEditTextSelectionTag , sizeof( selection ) , (char*) &selection , &size ) ;
1981     return (**teH).teLength ;
1982   }
1983   else
1984   {
1985      STPTextPaneVars**  tpvars = (STPTextPaneVars **) GetControlReference( (ControlHandle) m_macControl);
1986
1987     int actualsize = 0 ;
1988         Handle theText ;
1989         OSErr err = TXNGetDataEncoded( (**tpvars).fTXNRec, kTXNStartOffset, kTXNEndOffset, &theText , kTXNTextData );
1990                 /* all done */
1991         if ( err )
1992         {
1993           actualsize = 0 ;
1994         }
1995         else
1996         {
1997           actualsize = GetHandleSize( theText ) ;
1998           DisposeHandle( theText ) ;
1999         }
2000         return actualsize ;
2001   }
2002 }
2003
2004 void wxTextCtrl::Replace(long from, long to, const wxString& value)
2005 {
2006   if ( m_windowStyle & wxTE_PASSWORD )
2007   {
2008     TEHandle teH ;
2009     long size ;
2010
2011     ControlEditTextSelectionRec selection ;
2012
2013         selection.selStart = from ;
2014         selection.selEnd = to ;
2015         ::SetControlData( (ControlHandle) m_macControl , 0, kControlEditTextSelectionTag , sizeof( selection ) , (char*) &selection ) ;
2016                 ::GetControlData( (ControlHandle) m_macControl , 0, kControlEditTextTEHandleTag , sizeof( TEHandle ) , (char*) &teH , &size ) ;
2017         TESetSelect( from , to  , teH ) ;
2018         TEDelete( teH ) ;
2019                 TEInsert( value , value.Length() , teH ) ;
2020         }
2021         else
2022         {
2023           // TODO
2024         }
2025         Refresh() ;
2026 }
2027
2028 void wxTextCtrl::Remove(long from, long to)
2029 {
2030   if ( m_windowStyle & wxTE_PASSWORD )
2031   {
2032     TEHandle teH ;
2033     long size ;
2034
2035     ControlEditTextSelectionRec selection ;
2036
2037         selection.selStart = from ;
2038         selection.selEnd = to ;
2039         ::SetControlData( (ControlHandle) m_macControl , 0, kControlEditTextSelectionTag , sizeof( selection ) , (char*) &selection ) ;
2040         ::GetControlData( (ControlHandle) m_macControl , 0, kControlEditTextTEHandleTag , sizeof( TEHandle ) , (char*) &teH , &size ) ;
2041         TEDelete( teH ) ;
2042   }
2043   else
2044   {
2045     //TODO
2046   }
2047     Refresh() ;
2048 }
2049
2050 void wxTextCtrl::SetSelection(long from, long to)
2051 {
2052   if ( m_windowStyle & wxTE_PASSWORD )
2053   {
2054    ControlEditTextSelectionRec selection ;
2055    TEHandle teH ;
2056    long size ;
2057
2058    ::GetControlData( (ControlHandle) m_macControl , 0, kControlEditTextTEHandleTag , sizeof( TEHandle ) , (char*) &teH , &size ) ;
2059
2060    selection.selStart = from ;
2061    selection.selEnd = to ;
2062
2063    ::SetControlData( (ControlHandle) m_macControl , 0, kControlEditTextSelectionTag , sizeof( selection ) , (char*) &selection ) ;
2064    TESetSelect( selection.selStart , selection.selEnd , teH ) ;
2065   }
2066   else
2067   {
2068     STPTextPaneVars **tpvars;
2069         /* set up our locals */
2070     tpvars = (STPTextPaneVars **) GetControlReference( (ControlHandle) m_macControl);
2071         /* and our drawing environment as the operation
2072         may force a redraw in the text area. */
2073     SetPort((**tpvars).fDrawingEnvironment);
2074         /* change the selection */
2075     TXNSetSelection( (**tpvars).fTXNRec, from, to);
2076   }
2077 }
2078
2079 bool wxTextCtrl::LoadFile(const wxString& file)
2080 {
2081     if ( wxTextCtrlBase::LoadFile(file) )
2082     {
2083         return TRUE;
2084     }
2085
2086     return FALSE;
2087 }
2088
2089 void wxTextCtrl::WriteText(const wxString& text)
2090 {
2091     wxString value ;
2092     if( wxApp::s_macDefaultEncodingIsPC )
2093         value = wxMacMakeMacStringFromPC( text ) ;
2094     else
2095         value = text ;
2096     if ( m_windowStyle & wxTE_PASSWORD )
2097     {
2098       TEHandle teH ;
2099       long size ;
2100
2101       ::GetControlData( (ControlHandle) m_macControl , 0, kControlEditTextTEHandleTag , sizeof( TEHandle ) , (char*) &teH , &size ) ;
2102         TEInsert( value , value.Length() , teH ) ;
2103         }
2104         else
2105         {
2106         STPTextPaneVars **tpvars;
2107             /* set up locals */
2108         tpvars = (STPTextPaneVars **) GetControlReference( (ControlHandle) m_macControl);
2109             /* set the text in the record */
2110         TXNSetData( (**tpvars).fTXNRec, kTXNTextData,  (const char*)value, value.Length(),
2111           kTXNUseCurrentSelection, kTXNUseCurrentSelection);
2112         }
2113         Refresh() ;
2114 }
2115
2116 void wxTextCtrl::AppendText(const wxString& text)
2117 {
2118     SetInsertionPointEnd();
2119     WriteText(text);
2120 }
2121
2122 void wxTextCtrl::Clear()
2123 {
2124   if ( m_windowStyle & wxTE_PASSWORD )
2125   {
2126
2127     ::SetControlData( (ControlHandle) m_macControl, 0, ( m_windowStyle & wxTE_PASSWORD ) ? kControlEditTextPasswordTag : kControlEditTextTextTag , 0 , (char*) ((const char*)NULL) ) ;
2128   }
2129   else
2130   {
2131     mUPDoEditCommand( (ControlHandle) m_macControl , kmUPClear) ;
2132   }
2133         Refresh() ;
2134 }
2135
2136 bool wxTextCtrl::IsModified() const
2137 {
2138     return TRUE;
2139 }
2140
2141 bool wxTextCtrl::IsEditable() const
2142 {
2143     return IsEnabled();
2144 }
2145
2146 bool wxTextCtrl::AcceptsFocus() const
2147 {
2148     // we don't want focus if we can't be edited
2149     return IsEditable() && wxControl::AcceptsFocus();
2150 }
2151
2152 wxSize wxTextCtrl::DoGetBestSize() const
2153 {
2154     int wText = 100 ;
2155
2156     int hText ;
2157         if ( UMAHasAppearance() )
2158             hText = 13 ;
2159         else
2160             hText = 24 ;
2161     hText += 2 * m_macHorizontalBorder ;
2162 /*
2163     int cx, cy;
2164     wxGetCharSize(GetHWND(), &cx, &cy, &GetFont());
2165
2166     int wText = DEFAULT_ITEM_WIDTH;
2167
2168     int hText = EDIT_HEIGHT_FROM_CHAR_HEIGHT(cy);
2169
2170     return wxSize(wText, hText);
2171 */
2172     if ( m_windowStyle & wxTE_MULTILINE )
2173     {
2174         hText *= wxMin(GetNumberOfLines(), 5);
2175     }
2176     //else: for single line control everything is ok
2177     return wxSize(wText, hText);
2178 }
2179
2180 // ----------------------------------------------------------------------------
2181 // Undo/redo
2182 // ----------------------------------------------------------------------------
2183
2184 void wxTextCtrl::Undo()
2185 {
2186     if (CanUndo())
2187     {
2188     }
2189 }
2190
2191 void wxTextCtrl::Redo()
2192 {
2193     if (CanRedo())
2194     {
2195     }
2196 }
2197
2198 bool wxTextCtrl::CanUndo() const
2199 {
2200     return FALSE ;
2201 }
2202
2203 bool wxTextCtrl::CanRedo() const
2204 {
2205     return FALSE ;
2206 }
2207
2208 // Makes 'unmodified'
2209 void wxTextCtrl::DiscardEdits()
2210 {
2211     // TODO
2212 }
2213
2214 int wxTextCtrl::GetNumberOfLines() const
2215 {
2216   // TODO change this if possible to reflect real lines
2217   wxString content = GetValue() ;
2218
2219         int count = 1;
2220         for (int i = 0; i < content.Length() ; i++)
2221         {
2222             if (content[i] == '\r') count++;
2223         }
2224
2225   return count;
2226 }
2227
2228 long wxTextCtrl::XYToPosition(long x, long y) const
2229 {
2230     // TODO
2231     return 0;
2232 }
2233
2234 bool wxTextCtrl::PositionToXY(long pos, long *x, long *y) const
2235 {
2236     return FALSE ;
2237 }
2238
2239 void wxTextCtrl::ShowPosition(long pos)
2240 {
2241     // TODO
2242 }
2243
2244 int wxTextCtrl::GetLineLength(long lineNo) const
2245 {
2246   // TODO change this if possible to reflect real lines
2247   wxString content = GetValue() ;
2248
2249         // Find line first
2250         int count = 0;
2251         for (int i = 0; i < content.Length() ; i++)
2252         {
2253             if (count == lineNo)
2254             {
2255                 // Count chars in line then
2256                 count = 0;
2257                 for (int j = i; j < content.Length(); j++)
2258                 {
2259                     count++;
2260                     if (content[j] == '\r') return count;
2261                 }
2262
2263                 return count;
2264             }
2265             if (content[i] == '\r') count++;
2266         }
2267     return 0;
2268 }
2269
2270 wxString wxTextCtrl::GetLineText(long lineNo) const
2271 {
2272   // TODO change this if possible to reflect real lines
2273   wxString content = GetValue() ;
2274
2275         // Find line first
2276         int count = 0;
2277         for (int i = 0; i < content.Length() ; i++)
2278         {
2279             if (count == lineNo)
2280             {
2281                 // Add chars in line then
2282                 wxString tmp("");
2283
2284                 for (int j = i; j < content.Length(); j++)
2285                 {
2286                     if (content[j] == '\r')
2287                         return tmp;
2288
2289                     tmp += content[j];
2290                 }
2291
2292                 return tmp;
2293             }
2294             if (content[i] == '\r') count++;
2295         }
2296     return wxString("");
2297 }
2298
2299 /*
2300  * Text item
2301  */
2302
2303 void wxTextCtrl::Command(wxCommandEvent & event)
2304 {
2305     SetValue (event.GetString());
2306     ProcessCommand (event);
2307 }
2308
2309 void wxTextCtrl::OnDropFiles(wxDropFilesEvent& event)
2310 {
2311     // By default, load the first file into the text window.
2312     if (event.GetNumberOfFiles() > 0)
2313     {
2314         LoadFile(event.GetFiles()[0]);
2315     }
2316 }
2317
2318 void wxTextCtrl::OnChar(wxKeyEvent& event)
2319 {
2320     switch ( event.KeyCode() )
2321     {
2322         case WXK_RETURN:
2323             if (m_windowStyle & wxPROCESS_ENTER)
2324             {
2325                 wxCommandEvent event(wxEVT_COMMAND_TEXT_ENTER, m_windowId);
2326                 event.SetEventObject( this );
2327                 if ( GetEventHandler()->ProcessEvent(event) )
2328                     return;
2329             }
2330             if ( !(m_windowStyle & wxTE_MULTILINE) )
2331             {
2332                 wxWindow *parent = GetParent();
2333                 while( parent && !parent->IsTopLevel() && parent->GetDefaultItem() == NULL ) {
2334                   parent = parent->GetParent() ;
2335                 }
2336                 if ( parent && parent->GetDefaultItem() )
2337                 {
2338                     wxButton *def = wxDynamicCast(parent->GetDefaultItem(),
2339                                                           wxButton);
2340                     if ( def && def->IsEnabled() )
2341                     {
2342                         wxCommandEvent event(wxEVT_COMMAND_BUTTON_CLICKED, def->GetId() );
2343                         event.SetEventObject(def);
2344                         def->Command(event);
2345                         return ;
2346                    }
2347                 }
2348             }
2349             //else: multiline controls need Enter for themselves
2350
2351             break;
2352
2353         case WXK_TAB:
2354             // always produce navigation event - even if we process TAB
2355             // ourselves the fact that we got here means that the user code
2356             // decided to skip processing of this TAB - probably to let it
2357             // do its default job.
2358             {
2359                 wxNavigationKeyEvent eventNav;
2360                 eventNav.SetDirection(!event.ShiftDown());
2361                 eventNav.SetWindowChange(event.ControlDown());
2362                 eventNav.SetEventObject(this);
2363
2364                 if ( GetParent()->GetEventHandler()->ProcessEvent(eventNav) )
2365                     return;
2366                 event.Skip() ;
2367                 return ;
2368             }
2369             break;
2370     }
2371
2372     EventRecord *ev = wxTheApp->MacGetCurrentEvent() ;
2373     short keycode ;
2374     short keychar ;
2375     keychar = short(ev->message & charCodeMask);
2376     keycode = short(ev->message & keyCodeMask) >> 8 ;
2377     UMAHandleControlKey( (ControlHandle) m_macControl , keycode , keychar , ev->modifiers ) ;
2378     if ( keychar >= 0x20 || event.KeyCode() == WXK_RETURN || event.KeyCode() == WXK_DELETE || event.KeyCode() == WXK_BACK)
2379     {
2380         wxCommandEvent event(wxEVT_COMMAND_TEXT_UPDATED, m_windowId);
2381         event.SetString( GetValue() ) ;
2382         event.SetEventObject( this );
2383         GetEventHandler()->ProcessEvent(event);
2384     }
2385
2386 }
2387
2388 // ----------------------------------------------------------------------------
2389 // standard handlers for standard edit menu events
2390 // ----------------------------------------------------------------------------
2391
2392 void wxTextCtrl::OnCut(wxCommandEvent& event)
2393 {
2394     Cut();
2395 }
2396
2397 void wxTextCtrl::OnCopy(wxCommandEvent& event)
2398 {
2399     Copy();
2400 }
2401
2402 void wxTextCtrl::OnPaste(wxCommandEvent& event)
2403 {
2404     Paste();
2405 }
2406
2407 void wxTextCtrl::OnUndo(wxCommandEvent& event)
2408 {
2409     Undo();
2410 }
2411
2412 void wxTextCtrl::OnRedo(wxCommandEvent& event)
2413 {
2414     Redo();
2415 }
2416
2417 void wxTextCtrl::OnUpdateCut(wxUpdateUIEvent& event)
2418 {
2419     event.Enable( CanCut() );
2420 }
2421
2422 void wxTextCtrl::OnUpdateCopy(wxUpdateUIEvent& event)
2423 {
2424     event.Enable( CanCopy() );
2425 }
2426
2427 void wxTextCtrl::OnUpdatePaste(wxUpdateUIEvent& event)
2428 {
2429     event.Enable( CanPaste() );
2430 }
2431
2432 void wxTextCtrl::OnUpdateUndo(wxUpdateUIEvent& event)
2433 {
2434     event.Enable( CanUndo() );
2435 }
2436
2437 void wxTextCtrl::OnUpdateRedo(wxUpdateUIEvent& event)
2438 {
2439     event.Enable( CanRedo() );
2440 }
2441
2442 #endif
2443
2444 #endif
2445     // wxUSE_TEXTCTRL