src/msw/textctrl.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        msw/textctrl.cpp
   3 // Purpose:     wxTextCtrl
   4 // Author:      Julian Smart
   5 // Modified by:
   6 // Created:     04/01/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Julian Smart
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // ============================================================================
  13 // declarations
  14 // ============================================================================
  15
  16 // ----------------------------------------------------------------------------
  17 // headers
  18 // ----------------------------------------------------------------------------
  19
  20 // For compilers that support precompilation, includes "wx.h".
  21 #include "wx/wxprec.h"
  22
  23 #ifdef __BORLANDC__
  24     #pragma hdrstop
  25 #endif
  26
  27 #if wxUSE_TEXTCTRL && !(defined(__SMARTPHONE__) && defined(__WXWINCE__))
  28
  29 #ifndef WX_PRECOMP
  30     #include "wx/textctrl.h"
  31     #include "wx/settings.h"
  32     #include "wx/brush.h"
  33     #include "wx/utils.h"
  34     #include "wx/intl.h"
  35     #include "wx/log.h"
  36     #include "wx/app.h"
  37     #include "wx/menu.h"
  38     #include "wx/math.h"
  39 #endif
  40
  41 #include "wx/module.h"
  42
  43 #if wxUSE_CLIPBOARD
  44     #include "wx/clipbrd.h"
  45 #endif
  46
  47 #include "wx/textfile.h"
  48
  49 #include <windowsx.h>
  50
  51 #include "wx/msw/private.h"
  52 #include "wx/msw/winundef.h"
  53
  54 #include <string.h>
  55 #include <stdlib.h>
  56
  57 #ifndef __WXWINCE__
  58 #include <sys/types.h>
  59 #endif
  60
  61 #if wxUSE_RICHEDIT
  62
  63 // old mingw32 has richedit stuff directly in windows.h and doesn't have
  64 // richedit.h at all
  65 #if !defined(__GNUWIN32_OLD__) || defined(__CYGWIN10__)
  66     #include <richedit.h>
  67 #endif
  68
  69 #include "wx/msw/missing.h"
  70
  71 #endif // wxUSE_RICHEDIT
  72
  73 // ----------------------------------------------------------------------------
  74 // private classes
  75 // ----------------------------------------------------------------------------
  76
  77 #if wxUSE_RICHEDIT
  78
  79 // this module initializes RichEdit DLL(s) if needed
  80 class wxRichEditModule : public wxModule
  81 {
  82 public:
  83     enum Version
  84     {
  85         Version_1,          // riched32.dll
  86         Version_2or3,       // both use riched20.dll
  87         Version_41,         // msftedit.dll (XP SP1 and Windows 2003)
  88         Version_Max
  89     };
  90
  91     virtual bool OnInit();
  92     virtual void OnExit();
  93
  94     // load the richedit DLL for the specified version of rich edit
  95     static bool Load(Version version);
  96
  97 private:
  98     // the handles to richedit 1.0 and 2.0 (or 3.0) DLLs
  99     static HINSTANCE ms_hRichEdit[Version_Max];
 100
 101     DECLARE_DYNAMIC_CLASS(wxRichEditModule)
 102 };
 103
 104 HINSTANCE wxRichEditModule::ms_hRichEdit[Version_Max] = { NULL, NULL, NULL };
 105
 106 IMPLEMENT_DYNAMIC_CLASS(wxRichEditModule, wxModule)
 107
 108 #endif // wxUSE_RICHEDIT
 109
 110 // a small class used to set m_updatesCount to 0 (to filter duplicate events if
 111 // necessary) and to reset it back to -1 afterwards
 112 class UpdatesCountFilter
 113 {
 114 public:
 115     UpdatesCountFilter(int& count)
 116         : m_count(count)
 117     {
 118         wxASSERT_MSG( m_count == -1, _T("wrong initial m_updatesCount value") );
 119
 120         m_count = 0;
 121     }
 122
 123     ~UpdatesCountFilter()
 124     {
 125         m_count = -1;
 126     }
 127
 128     // return true if an event has been received
 129     bool GotUpdate() const
 130     {
 131         return m_count == 1;
 132     }
 133
 134 private:
 135     int& m_count;
 136
 137     DECLARE_NO_COPY_CLASS(UpdatesCountFilter)
 138 };
 139
 140 // ----------------------------------------------------------------------------
 141 // event tables and other macros
 142 // ----------------------------------------------------------------------------
 143
 144 #if wxUSE_EXTENDED_RTTI
 145 WX_DEFINE_FLAGS( wxTextCtrlStyle )
 146
 147 wxBEGIN_FLAGS( wxTextCtrlStyle )
 148     // new style border flags, we put them first to
 149     // use them for streaming out
 150     wxFLAGS_MEMBER(wxBORDER_SIMPLE)
 151     wxFLAGS_MEMBER(wxBORDER_SUNKEN)
 152     wxFLAGS_MEMBER(wxBORDER_DOUBLE)
 153     wxFLAGS_MEMBER(wxBORDER_RAISED)
 154     wxFLAGS_MEMBER(wxBORDER_STATIC)
 155     wxFLAGS_MEMBER(wxBORDER_NONE)
 156
 157     // old style border flags
 158     wxFLAGS_MEMBER(wxSIMPLE_BORDER)
 159     wxFLAGS_MEMBER(wxSUNKEN_BORDER)
 160     wxFLAGS_MEMBER(wxDOUBLE_BORDER)
 161     wxFLAGS_MEMBER(wxRAISED_BORDER)
 162     wxFLAGS_MEMBER(wxSTATIC_BORDER)
 163     wxFLAGS_MEMBER(wxBORDER)
 164
 165     // standard window styles
 166     wxFLAGS_MEMBER(wxTAB_TRAVERSAL)
 167     wxFLAGS_MEMBER(wxCLIP_CHILDREN)
 168     wxFLAGS_MEMBER(wxTRANSPARENT_WINDOW)
 169     wxFLAGS_MEMBER(wxWANTS_CHARS)
 170     wxFLAGS_MEMBER(wxFULL_REPAINT_ON_RESIZE)
 171     wxFLAGS_MEMBER(wxALWAYS_SHOW_SB )
 172     wxFLAGS_MEMBER(wxVSCROLL)
 173     wxFLAGS_MEMBER(wxHSCROLL)
 174
 175     wxFLAGS_MEMBER(wxTE_PROCESS_ENTER)
 176     wxFLAGS_MEMBER(wxTE_PROCESS_TAB)
 177     wxFLAGS_MEMBER(wxTE_MULTILINE)
 178     wxFLAGS_MEMBER(wxTE_PASSWORD)
 179     wxFLAGS_MEMBER(wxTE_READONLY)
 180     wxFLAGS_MEMBER(wxHSCROLL)
 181     wxFLAGS_MEMBER(wxTE_RICH)
 182     wxFLAGS_MEMBER(wxTE_RICH2)
 183     wxFLAGS_MEMBER(wxTE_AUTO_URL)
 184     wxFLAGS_MEMBER(wxTE_NOHIDESEL)
 185     wxFLAGS_MEMBER(wxTE_LEFT)
 186     wxFLAGS_MEMBER(wxTE_CENTRE)
 187     wxFLAGS_MEMBER(wxTE_RIGHT)
 188     wxFLAGS_MEMBER(wxTE_DONTWRAP)
 189     wxFLAGS_MEMBER(wxTE_LINEWRAP)
 190     wxFLAGS_MEMBER(wxTE_WORDWRAP)
 191
 192 wxEND_FLAGS( wxTextCtrlStyle )
 193
 194 IMPLEMENT_DYNAMIC_CLASS_XTI(wxTextCtrl, wxControl,"wx/textctrl.h")
 195
 196 wxBEGIN_PROPERTIES_TABLE(wxTextCtrl)
 197     wxEVENT_PROPERTY( TextUpdated , wxEVT_COMMAND_TEXT_UPDATED , wxCommandEvent )
 198     wxEVENT_PROPERTY( TextEnter , wxEVT_COMMAND_TEXT_ENTER , wxCommandEvent )
 199
 200     wxPROPERTY( Font , wxFont , SetFont , GetFont  , EMPTY_MACROVALUE, 0 /*flags*/ , wxT("Helpstring") , wxT("group") )
 201     wxPROPERTY( Value , wxString , SetValue, GetValue, wxString() , 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
 202     wxPROPERTY_FLAGS( WindowStyle , wxTextCtrlStyle , long , SetWindowStyleFlag , GetWindowStyleFlag , EMPTY_MACROVALUE , 0 /*flags*/ , wxT("Helpstring") , wxT("group")) // style
 203 wxEND_PROPERTIES_TABLE()
 204
 205 wxBEGIN_HANDLERS_TABLE(wxTextCtrl)
 206 wxEND_HANDLERS_TABLE()
 207
 208 wxCONSTRUCTOR_6( wxTextCtrl , wxWindow* , Parent , wxWindowID , Id , wxString , Value , wxPoint , Position , wxSize , Size , long , WindowStyle)
 209 #else
 210 IMPLEMENT_DYNAMIC_CLASS(wxTextCtrl, wxControl)
 211 #endif
 212
 213
 214 BEGIN_EVENT_TABLE(wxTextCtrl, wxControl)
 215     EVT_CHAR(wxTextCtrl::OnChar)
 216     EVT_DROP_FILES(wxTextCtrl::OnDropFiles)
 217
 218 #if wxUSE_RICHEDIT
 219     EVT_CONTEXT_MENU(wxTextCtrl::OnContextMenu)
 220 #endif
 221
 222     EVT_MENU(wxID_CUT, wxTextCtrl::OnCut)
 223     EVT_MENU(wxID_COPY, wxTextCtrl::OnCopy)
 224     EVT_MENU(wxID_PASTE, wxTextCtrl::OnPaste)
 225     EVT_MENU(wxID_UNDO, wxTextCtrl::OnUndo)
 226     EVT_MENU(wxID_REDO, wxTextCtrl::OnRedo)
 227     EVT_MENU(wxID_CLEAR, wxTextCtrl::OnDelete)
 228     EVT_MENU(wxID_SELECTALL, wxTextCtrl::OnSelectAll)
 229
 230     EVT_UPDATE_UI(wxID_CUT, wxTextCtrl::OnUpdateCut)
 231     EVT_UPDATE_UI(wxID_COPY, wxTextCtrl::OnUpdateCopy)
 232     EVT_UPDATE_UI(wxID_PASTE, wxTextCtrl::OnUpdatePaste)
 233     EVT_UPDATE_UI(wxID_UNDO, wxTextCtrl::OnUpdateUndo)
 234     EVT_UPDATE_UI(wxID_REDO, wxTextCtrl::OnUpdateRedo)
 235     EVT_UPDATE_UI(wxID_CLEAR, wxTextCtrl::OnUpdateDelete)
 236     EVT_UPDATE_UI(wxID_SELECTALL, wxTextCtrl::OnUpdateSelectAll)
 237
 238     EVT_SET_FOCUS(wxTextCtrl::OnSetFocus)
 239 END_EVENT_TABLE()
 240
 241 // ============================================================================
 242 // implementation
 243 // ============================================================================
 244
 245 // ----------------------------------------------------------------------------
 246 // creation
 247 // ----------------------------------------------------------------------------
 248
 249 void wxTextCtrl::Init()
 250 {
 251 #if wxUSE_RICHEDIT
 252     m_verRichEdit = 0;
 253 #endif // wxUSE_RICHEDIT
 254
 255     m_privateContextMenu = NULL;
 256     m_updatesCount = -1;
 257     m_isNativeCaretShown = true;
 258 }
 259
 260 wxTextCtrl::~wxTextCtrl()
 261 {
 262     delete m_privateContextMenu;
 263 }
 264
 265 bool wxTextCtrl::Create(wxWindow *parent, wxWindowID id,
 266                         const wxString& value,
 267                         const wxPoint& pos,
 268                         const wxSize& size,
 269                         long style,
 270                         const wxValidator& validator,
 271                         const wxString& name)
 272 {
 273 #ifdef __WXWINCE__
 274     if ((style & wxBORDER_MASK) == 0)
 275         style |= wxBORDER_SIMPLE;
 276 #endif
 277
 278     // base initialization
 279     if ( !CreateControl(parent, id, pos, size, style, validator, name) )
 280         return false;
 281
 282     // translate wxWin style flags to MSW ones
 283     WXDWORD msStyle = MSWGetCreateWindowFlags();
 284
 285     // do create the control - either an EDIT or RICHEDIT
 286     wxString windowClass = wxT("EDIT");
 287
 288 #if defined(__POCKETPC__) || defined(__SMARTPHONE__)
 289     // A control that capitalizes the first letter
 290     if (style & wxTE_CAPITALIZE)
 291         windowClass = wxT("CAPEDIT");
 292 #endif
 293
 294 #if wxUSE_RICHEDIT
 295     if ( m_windowStyle & wxTE_AUTO_URL )
 296     {
 297         // automatic URL detection only works in RichEdit 2.0+
 298         m_windowStyle |= wxTE_RICH2;
 299     }
 300
 301     if ( m_windowStyle & wxTE_RICH2 )
 302     {
 303         // using richedit 2.0 implies using wxTE_RICH
 304         m_windowStyle |= wxTE_RICH;
 305     }
 306
 307     // we need to load the richedit DLL before creating the rich edit control
 308     if ( m_windowStyle & wxTE_RICH )
 309     {
 310         // versions 2.0, 3.0 and 4.1 of rich edit are mostly compatible with
 311         // each other but not with version 1.0, so we have separate flags for
 312         // the version 1.0 and the others (and so m_verRichEdit may be 0 (plain
 313         // EDIT control), 1 for version 1.0 or 2 for any higher version)
 314         //
 315         // notice that 1.0 has no Unicode support at all so in Unicode build we
 316         // must use another version
 317
 318 #if wxUSE_UNICODE
 319         m_verRichEdit = 2;
 320 #else // !wxUSE_UNICODE
 321         m_verRichEdit = m_windowStyle & wxTE_RICH2 ? 2 : 1;
 322 #endif // wxUSE_UNICODE/!wxUSE_UNICODE
 323
 324         if ( m_verRichEdit == 2 )
 325         {
 326             if ( wxRichEditModule::Load(wxRichEditModule::Version_41) )
 327             {
 328                 // yes, class name for version 4.1 really is 5.0
 329                 windowClass = _T("RICHEDIT50W");
 330             }
 331             else if ( wxRichEditModule::Load(wxRichEditModule::Version_2or3) )
 332             {
 333                 windowClass = _T("RichEdit20")
 334 #if wxUSE_UNICODE
 335                               _T("W");
 336 #else // ANSI
 337                               _T("A");
 338 #endif // Unicode/ANSI
 339             }
 340             else // failed to load msftedit.dll and riched20.dll
 341             {
 342                 m_verRichEdit = 1;
 343             }
 344         }
 345
 346         if ( m_verRichEdit == 1 )
 347         {
 348             if ( wxRichEditModule::Load(wxRichEditModule::Version_1) )
 349             {
 350                 windowClass = _T("RICHEDIT");
 351             }
 352             else // failed to load any richedit control DLL
 353             {
 354                 // only give the error msg once if the DLL can't be loaded
 355                 static bool s_errorGiven = false; // MT ok as only used by GUI
 356
 357                 if ( !s_errorGiven )
 358                 {
 359                     wxLogError(_("Impossible to create a rich edit control, using simple text control instead. Please reinstall riched32.dll"));
 360
 361                     s_errorGiven = true;
 362                 }
 363
 364                 m_verRichEdit = 0;
 365             }
 366         }
 367     }
 368 #endif // wxUSE_RICHEDIT
 369
 370     // we need to turn '\n's into "\r\n"s for the multiline controls
 371     wxString valueWin;
 372     if ( m_windowStyle & wxTE_MULTILINE )
 373     {
 374         valueWin = wxTextFile::Translate(value, wxTextFileType_Dos);
 375     }
 376     else // single line
 377     {
 378         valueWin = value;
 379     }
 380
 381     if ( !MSWCreateControl(windowClass, msStyle, pos, size, valueWin) )
 382         return false;
 383
 384 #if wxUSE_RICHEDIT
 385     if ( IsRich() )
 386     {
 387         // enable the events we're interested in: we want to get EN_CHANGE as
 388         // for the normal controls
 389         LPARAM mask = ENM_CHANGE;
 390
 391         if ( GetRichVersion() == 1 )
 392         {
 393             // we also need EN_MSGFILTER for richedit 1.0 for the reasons
 394             // explained in its handler
 395            mask |= ENM_MOUSEEVENTS;
 396
 397            // we also need to force the appearance of the vertical scrollbar
 398            // initially as otherwise the control doesn't refresh correctly
 399            // after resize: but once the vertical scrollbar had been shown
 400            // (even if it's subsequently hidden) it does
 401            //
 402            // this is clearly a bug and for now it has been only noticed under
 403            // Windows XP, so if we're sure it works correctly under other
 404            // systems we could do this only for XP
 405            SetSize(-1, 1); // 1 is small enough to force vert scrollbar
 406            SetSize(size);
 407         }
 408         else if ( m_windowStyle & wxTE_AUTO_URL )
 409         {
 410             mask |= ENM_LINK;
 411
 412             ::SendMessage(GetHwnd(), EM_AUTOURLDETECT, TRUE, 0);
 413         }
 414
 415         ::SendMessage(GetHwnd(), EM_SETEVENTMASK, 0, mask);
 416     }
 417 #endif // wxUSE_RICHEDIT
 418
 419     return true;
 420 }
 421
 422 // Make sure the window style (etc.) reflects the HWND style (roughly)
 423 void wxTextCtrl::AdoptAttributesFromHWND()
 424 {
 425     wxWindow::AdoptAttributesFromHWND();
 426
 427     HWND hWnd = GetHwnd();
 428     long style = ::GetWindowLong(hWnd, GWL_STYLE);
 429
 430     // retrieve the style to see whether this is an edit or richedit ctrl
 431 #if wxUSE_RICHEDIT
 432     wxString classname = wxGetWindowClass(GetHWND());
 433
 434     if ( classname.IsSameAs(_T("EDIT"), false /* no case */) )
 435     {
 436         m_verRichEdit = 0;
 437     }
 438     else // rich edit?
 439     {
 440         wxChar c;
 441         if ( wxSscanf(classname, _T("RichEdit%d0%c"), &m_verRichEdit, &c) != 2 )
 442         {
 443             wxLogDebug(_T("Unknown edit control '%s'."), classname.c_str());
 444
 445             m_verRichEdit = 0;
 446         }
 447     }
 448 #endif // wxUSE_RICHEDIT
 449
 450     if (style & ES_MULTILINE)
 451         m_windowStyle |= wxTE_MULTILINE;
 452     if (style & ES_PASSWORD)
 453         m_windowStyle |= wxTE_PASSWORD;
 454     if (style & ES_READONLY)
 455         m_windowStyle |= wxTE_READONLY;
 456     if (style & ES_WANTRETURN)
 457         m_windowStyle |= wxTE_PROCESS_ENTER;
 458     if (style & ES_CENTER)
 459         m_windowStyle |= wxTE_CENTRE;
 460     if (style & ES_RIGHT)
 461         m_windowStyle |= wxTE_RIGHT;
 462 }
 463
 464 WXDWORD wxTextCtrl::MSWGetStyle(long style, WXDWORD *exstyle) const
 465 {
 466     long msStyle = wxControl::MSWGetStyle(style, exstyle);
 467
 468     // styles which we alaways add by default
 469     if ( style & wxTE_MULTILINE )
 470     {
 471         wxASSERT_MSG( !(style & wxTE_PROCESS_ENTER),
 472                       wxT("wxTE_PROCESS_ENTER style is ignored for multiline text controls (they always process it)") );
 473
 474         msStyle |= ES_MULTILINE | ES_WANTRETURN;
 475         if ( !(style & wxTE_NO_VSCROLL) )
 476         {
 477             // always adjust the vertical scrollbar automatically if we have it
 478             msStyle |= WS_VSCROLL | ES_AUTOVSCROLL;
 479
 480 #if wxUSE_RICHEDIT
 481             // we have to use this style for the rich edit controls because
 482             // without it the vertical scrollbar never appears at all in
 483             // richedit 3.0 because of our ECO_NOHIDESEL hack (search for it)
 484             if ( style & wxTE_RICH2 )
 485             {
 486                 msStyle |= ES_DISABLENOSCROLL;
 487             }
 488 #endif // wxUSE_RICHEDIT
 489         }
 490
 491         style |= wxTE_PROCESS_ENTER;
 492     }
 493     else // !multiline
 494     {
 495         // there is really no reason to not have this style for single line
 496         // text controls
 497         msStyle |= ES_AUTOHSCROLL;
 498     }
 499
 500     // note that wxTE_DONTWRAP is the same as wxHSCROLL so if we have a horz
 501     // scrollbar, there is no wrapping -- which makes sense
 502     if ( style & wxTE_DONTWRAP )
 503     {
 504         // automatically scroll the control horizontally as necessary
 505         //
 506         // NB: ES_AUTOHSCROLL is needed for richedit controls or they don't
 507         //     show horz scrollbar at all, even in spite of WS_HSCROLL, and as
 508         //     it doesn't seem to do any harm for plain edit controls, add it
 509         //     always
 510         msStyle |= WS_HSCROLL | ES_AUTOHSCROLL;
 511     }
 512
 513     if ( style & wxTE_READONLY )
 514         msStyle |= ES_READONLY;
 515
 516     if ( style & wxTE_PASSWORD )
 517         msStyle |= ES_PASSWORD;
 518
 519     if ( style & wxTE_NOHIDESEL )
 520         msStyle |= ES_NOHIDESEL;
 521
 522     // note that we can't do do "& wxTE_LEFT" as wxTE_LEFT == 0
 523     if ( style & wxTE_CENTRE )
 524         msStyle |= ES_CENTER;
 525     else if ( style & wxTE_RIGHT )
 526         msStyle |= ES_RIGHT;
 527     else
 528         msStyle |= ES_LEFT; // ES_LEFT is 0 as well but for consistency...
 529
 530     return msStyle;
 531 }
 532
 533 void wxTextCtrl::SetWindowStyleFlag(long style)
 534 {
 535 #if wxUSE_RICHEDIT
 536     // we have to deal with some styles separately because they can't be
 537     // changed by simply calling SetWindowLong(GWL_STYLE) but can be changed
 538     // using richedit-specific EM_SETOPTIONS
 539     if ( IsRich() &&
 540             ((style & wxTE_NOHIDESEL) != (GetWindowStyle() & wxTE_NOHIDESEL)) )
 541     {
 542         bool set = (style & wxTE_NOHIDESEL) != 0;
 543
 544         ::SendMessage(GetHwnd(), EM_SETOPTIONS, set ? ECOOP_OR : ECOOP_AND,
 545                       set ? ECO_NOHIDESEL : ~ECO_NOHIDESEL);
 546     }
 547 #endif // wxUSE_RICHEDIT
 548
 549     wxControl::SetWindowStyleFlag(style);
 550 }
 551
 552 // ----------------------------------------------------------------------------
 553 // set/get the controls text
 554 // ----------------------------------------------------------------------------
 555
 556 wxString wxTextCtrl::GetValue() const
 557 {
 558     // range 0..-1 is special for GetRange() and means to retrieve all text
 559     return GetRange(0, -1);
 560 }
 561
 562 wxString wxTextCtrl::GetRange(long from, long to) const
 563 {
 564     wxString str;
 565
 566     if ( from >= to && to != -1 )
 567     {
 568         // nothing to retrieve
 569         return str;
 570     }
 571
 572 #if wxUSE_RICHEDIT
 573     if ( IsRich() )
 574     {
 575         int len = GetWindowTextLength(GetHwnd());
 576         if ( len > from )
 577         {
 578             if ( to == -1 )
 579                 to = len;
 580
 581 #if !wxUSE_UNICODE
 582             // we must use EM_STREAMOUT if we don't want to lose all characters
 583             // not representable in the current character set (EM_GETTEXTRANGE
 584             // simply replaces them with question marks...)
 585             if ( GetRichVersion() > 1 )
 586             {
 587                 // we must have some encoding, otherwise any 8bit chars in the
 588                 // control are simply *lost* (replaced by '?')
 589                 wxFontEncoding encoding = wxFONTENCODING_SYSTEM;
 590
 591                 wxFont font = m_defaultStyle.GetFont();
 592                 if ( !font.Ok() )
 593                     font = GetFont();
 594
 595                 if ( font.Ok() )
 596                 {
 597                    encoding = font.GetEncoding();
 598                 }
 599
 600                 if ( encoding == wxFONTENCODING_SYSTEM )
 601                 {
 602                     encoding = wxLocale::GetSystemEncoding();
 603                 }
 604
 605                 if ( encoding == wxFONTENCODING_SYSTEM )
 606                 {
 607                     encoding = wxFONTENCODING_ISO8859_1;
 608                 }
 609
 610                 str = StreamOut(encoding);
 611
 612                 if ( !str.empty() )
 613                 {
 614                     // we have to manually extract the required part, luckily
 615                     // this is easy in this case as EOL characters in str are
 616                     // just LFs because we remove CRs in wxRichEditStreamOut
 617                     str = str.Mid(from, to - from);
 618                 }
 619             }
 620
 621             // StreamOut() wasn't used or failed, try to do it in normal way
 622             if ( str.empty() )
 623 #endif // !wxUSE_UNICODE
 624             {
 625                 // alloc one extra WORD as needed by the control
 626                 wxStringBuffer tmp(str, ++len);
 627                 wxChar *p = tmp;
 628
 629                 TEXTRANGE textRange;
 630                 textRange.chrg.cpMin = from;
 631                 textRange.chrg.cpMax = to;
 632                 textRange.lpstrText = p;
 633
 634                 (void)::SendMessage(GetHwnd(), EM_GETTEXTRANGE,
 635                                     0, (LPARAM)&textRange);
 636
 637                 if ( m_verRichEdit > 1 )
 638                 {
 639                     // RichEdit 2.0 uses just CR ('\r') for the
 640                     // newlines which is neither Unix nor Windows
 641                     // style - convert it to something reasonable
 642                     for ( ; *p; p++ )
 643                     {
 644                         if ( *p == _T('\r') )
 645                             *p = _T('\n');
 646                     }
 647                 }
 648             }
 649
 650             if ( m_verRichEdit == 1 )
 651             {
 652                 // convert to the canonical form - see comment below
 653                 str = wxTextFile::Translate(str, wxTextFileType_Unix);
 654             }
 655         }
 656         //else: no text at all, leave the string empty
 657     }
 658     else
 659 #endif // wxUSE_RICHEDIT
 660     {
 661         // retrieve all text
 662         str = wxGetWindowText(GetHWND());
 663
 664         // need only a range?
 665         if ( from < to )
 666         {
 667             str = str.Mid(from, to - from);
 668         }
 669
 670         // WM_GETTEXT uses standard DOS CR+LF (\r\n) convention - convert to the
 671         // canonical one (same one as above) for consistency with the other kinds
 672         // of controls and, more importantly, with the other ports
 673         str = wxTextFile::Translate(str, wxTextFileType_Unix);
 674     }
 675
 676     return str;
 677 }
 678
 679 void wxTextCtrl::SetValue(const wxString& value)
 680 {
 681     // if the text is long enough, it's faster to just set it instead of first
 682     // comparing it with the old one (chances are that it will be different
 683     // anyhow, this comparison is there to avoid flicker for small single-line
 684     // edit controls mostly)
 685     if ( (value.length() > 0x400) || (value != GetValue()) )
 686     {
 687         DoWriteText(value, false /* not selection only */);
 688
 689         // for compatibility, don't move the cursor when doing SetValue()
 690         SetInsertionPoint(0);
 691     }
 692     else // same text
 693     {
 694         // still send an event for consistency
 695         SendUpdateEvent();
 696     }
 697
 698     // we should reset the modified flag even if the value didn't really change
 699
 700     // mark the control as being not dirty - we changed its text, not the
 701     // user
 702     DiscardEdits();
 703 }
 704
 705 #if wxUSE_RICHEDIT && (!wxUSE_UNICODE || wxUSE_UNICODE_MSLU)
 706
 707 // TODO: using memcpy() would improve performance a lot for big amounts of text
 708
 709 DWORD CALLBACK
 710 wxRichEditStreamIn(DWORD dwCookie, BYTE *buf, LONG cb, LONG *pcb)
 711 {
 712     *pcb = 0;
 713
 714     const wchar_t ** const ppws = (const wchar_t **)dwCookie;
 715
 716     wchar_t *wbuf = (wchar_t *)buf;
 717     const wchar_t *wpc = *ppws;
 718     while ( cb && *wpc )
 719     {
 720         *wbuf++ = *wpc++;
 721
 722         cb -= sizeof(wchar_t);
 723         (*pcb) += sizeof(wchar_t);
 724     }
 725
 726     *ppws = wpc;
 727
 728     return 0;
 729 }
 730
 731 // helper struct used to pass parameters from wxTextCtrl to wxRichEditStreamOut
 732 struct wxStreamOutData
 733 {
 734     wchar_t *wpc;
 735     size_t len;
 736 };
 737
 738 DWORD CALLBACK
 739 wxRichEditStreamOut(DWORD_PTR dwCookie, BYTE *buf, LONG cb, LONG *pcb)
 740 {
 741     *pcb = 0;
 742
 743     wxStreamOutData *data = (wxStreamOutData *)dwCookie;
 744
 745     const wchar_t *wbuf = (const wchar_t *)buf;
 746     wchar_t *wpc = data->wpc;
 747     while ( cb )
 748     {
 749         wchar_t wch = *wbuf++;
 750
 751         // turn "\r\n" into "\n" on the fly
 752         if ( wch != L'\r' )
 753             *wpc++ = wch;
 754         else
 755             data->len--;
 756
 757         cb -= sizeof(wchar_t);
 758         (*pcb) += sizeof(wchar_t);
 759     }
 760
 761     data->wpc = wpc;
 762
 763     return 0;
 764 }
 765
 766
 767 #if wxUSE_UNICODE_MSLU
 768     #define UNUSED_IF_MSLU(param)
 769 #else
 770     #define UNUSED_IF_MSLU(param) param
 771 #endif
 772
 773 bool
 774 wxTextCtrl::StreamIn(const wxString& value,
 775                      wxFontEncoding UNUSED_IF_MSLU(encoding),
 776                      bool selectionOnly)
 777 {
 778 #if wxUSE_UNICODE_MSLU
 779     const wchar_t *wpc = value.c_str();
 780 #else // !wxUSE_UNICODE_MSLU
 781     wxCSConv conv(encoding);
 782
 783     const size_t len = conv.MB2WC(NULL, value, value.length());
 784
 785 #if wxUSE_WCHAR_T
 786     wxWCharBuffer wchBuf(len);
 787     wchar_t *wpc = wchBuf.data();
 788 #else
 789     wchar_t *wchBuf = (wchar_t *)malloc((len + 1)*sizeof(wchar_t));
 790     wchar_t *wpc = wchBuf;
 791 #endif
 792
 793     conv.MB2WC(wpc, value, value.length());
 794 #endif // wxUSE_UNICODE_MSLU
 795
 796     // finally, stream it in the control
 797     EDITSTREAM eds;
 798     wxZeroMemory(eds);
 799     eds.dwCookie = (DWORD)&wpc;
 800     // the cast below is needed for broken (very) old mingw32 headers
 801     eds.pfnCallback = (EDITSTREAMCALLBACK)wxRichEditStreamIn;
 802
 803     // same problem as in DoWriteText(): we can get multiple events here
 804     UpdatesCountFilter ucf(m_updatesCount);
 805
 806     ::SendMessage(GetHwnd(), EM_STREAMIN,
 807                   SF_TEXT |
 808                   SF_UNICODE |
 809                   (selectionOnly ? SFF_SELECTION : 0),
 810                   (LPARAM)&eds);
 811
 812     wxASSERT_MSG( ucf.GotUpdate(), _T("EM_STREAMIN didn't send EN_UPDATE?") );
 813
 814     if ( eds.dwError )
 815     {
 816         wxLogLastError(_T("EM_STREAMIN"));
 817     }
 818
 819 #if !wxUSE_WCHAR_T
 820     free(wchBuf);
 821 #endif // !wxUSE_WCHAR_T
 822
 823     return true;
 824 }
 825
 826 #if !wxUSE_UNICODE_MSLU
 827
 828 wxString
 829 wxTextCtrl::StreamOut(wxFontEncoding encoding, bool selectionOnly) const
 830 {
 831     wxString out;
 832
 833     const int len = GetWindowTextLength(GetHwnd());
 834
 835 #if wxUSE_WCHAR_T
 836     wxWCharBuffer wchBuf(len);
 837     wchar_t *wpc = wchBuf.data();
 838 #else
 839     wchar_t *wchBuf = (wchar_t *)malloc((len + 1)*sizeof(wchar_t));
 840     wchar_t *wpc = wchBuf;
 841 #endif
 842
 843     wxStreamOutData data;
 844     data.wpc = wpc;
 845     data.len = len;
 846
 847     EDITSTREAM eds;
 848     wxZeroMemory(eds);
 849     eds.dwCookie = (DWORD)&data;
 850     eds.pfnCallback = wxRichEditStreamOut;
 851
 852     ::SendMessage
 853       (
 854         GetHwnd(),
 855         EM_STREAMOUT,
 856         SF_TEXT | SF_UNICODE | (selectionOnly ? SFF_SELECTION : 0),
 857         (LPARAM)&eds
 858       );
 859
 860     if ( eds.dwError )
 861     {
 862         wxLogLastError(_T("EM_STREAMOUT"));
 863     }
 864     else // streamed out ok
 865     {
 866         // NUL-terminate the string because its length could have been
 867         // decreased by wxRichEditStreamOut
 868         *(wchBuf.data() + data.len) = L'\0';
 869
 870         // now convert to the given encoding (this is a possibly lossful
 871         // conversion but what else can we do)
 872         wxCSConv conv(encoding);
 873         size_t lenNeeded = conv.WC2MB(NULL, wchBuf, 0);
 874         if ( lenNeeded++ )
 875         {
 876             conv.WC2MB(wxStringBuffer(out, lenNeeded), wchBuf, lenNeeded);
 877         }
 878     }
 879
 880 #if !wxUSE_WCHAR_T
 881     free(wchBuf);
 882 #endif // !wxUSE_WCHAR_T
 883
 884     return out;
 885 }
 886
 887 #endif // !wxUSE_UNICODE_MSLU
 888
 889 #endif // wxUSE_RICHEDIT
 890
 891 void wxTextCtrl::WriteText(const wxString& value)
 892 {
 893     DoWriteText(value);
 894 }
 895
 896 void wxTextCtrl::DoWriteText(const wxString& value, bool selectionOnly)
 897 {
 898     wxString valueDos;
 899     if ( m_windowStyle & wxTE_MULTILINE )
 900         valueDos = wxTextFile::Translate(value, wxTextFileType_Dos);
 901     else
 902         valueDos = value;
 903
 904 #if wxUSE_RICHEDIT
 905     // there are several complications with the rich edit controls here
 906     bool done = false;
 907     if ( IsRich() )
 908     {
 909         // first, ensure that the new text will be in the default style
 910         if ( !m_defaultStyle.IsDefault() )
 911         {
 912             long start, end;
 913             GetSelection(&start, &end);
 914             SetStyle(start, end, m_defaultStyle);
 915         }
 916
 917 #if wxUSE_UNICODE_MSLU
 918         // RichEdit doesn't have Unicode version of EM_REPLACESEL on Win9x,
 919         // but EM_STREAMIN works
 920         if ( wxUsingUnicowsDll() && GetRichVersion() > 1 )
 921         {
 922            done = StreamIn(valueDos, wxFONTENCODING_SYSTEM, selectionOnly);
 923         }
 924 #endif // wxUSE_UNICODE_MSLU
 925
 926 #if !wxUSE_UNICODE
 927         // next check if the text we're inserting must be shown in a non
 928         // default charset -- this only works for RichEdit > 1.0
 929         if ( GetRichVersion() > 1 )
 930         {
 931             wxFont font = m_defaultStyle.GetFont();
 932             if ( !font.Ok() )
 933                 font = GetFont();
 934
 935             if ( font.Ok() )
 936             {
 937                wxFontEncoding encoding = font.GetEncoding();
 938                if ( encoding != wxFONTENCODING_SYSTEM )
 939                {
 940                    // we have to use EM_STREAMIN to force richedit control 2.0+
 941                    // to show any text in the non default charset -- otherwise
 942                    // it thinks it knows better than we do and always shows it
 943                    // in the default one
 944                    done = StreamIn(valueDos, encoding, selectionOnly);
 945                }
 946             }
 947         }
 948 #endif // !wxUSE_UNICODE
 949     }
 950
 951     if ( !done )
 952 #endif // wxUSE_RICHEDIT
 953     {
 954         // in some cases we get 2 EN_CHANGE notifications after the SendMessage
 955         // call (this happens for plain EDITs with EM_REPLACESEL and under some
 956         // -- undetermined -- conditions with rich edit) and sometimes we don't
 957         // get any events at all (plain EDIT with WM_SETTEXT), so ensure that
 958         // we generate exactly one of them by ignoring all but the first one in
 959         // SendUpdateEvent() and generating one ourselves if we hadn't got any
 960         // notifications from Windows
 961         UpdatesCountFilter ucf(m_updatesCount);
 962
 963         ::SendMessage(GetHwnd(), selectionOnly ? EM_REPLACESEL : WM_SETTEXT,
 964                       // EM_REPLACESEL takes 1 to indicate the operation should be redoable
 965                       selectionOnly ? 1 : 0, (LPARAM)valueDos.c_str());
 966
 967         if ( !ucf.GotUpdate() )
 968         {
 969             SendUpdateEvent();
 970         }
 971     }
 972 }
 973
 974 void wxTextCtrl::AppendText(const wxString& text)
 975 {
 976     SetInsertionPointEnd();
 977
 978     WriteText(text);
 979
 980 #if wxUSE_RICHEDIT
 981     // don't do this if we're frozen, saves some time
 982     if ( !IsFrozen() && IsMultiLine() && GetRichVersion() > 1 )
 983     {
 984         // setting the caret to the end and showing it simply doesn't work for
 985         // RichEdit 2.0 -- force it to still do what we want
 986         ::SendMessage(GetHwnd(), EM_LINESCROLL, 0, GetNumberOfLines());
 987     }
 988 #endif // wxUSE_RICHEDIT
 989 }
 990
 991 void wxTextCtrl::Clear()
 992 {
 993     ::SetWindowText(GetHwnd(), wxEmptyString);
 994
 995 #if wxUSE_RICHEDIT
 996     if ( !IsRich() )
 997 #endif // wxUSE_RICHEDIT
 998     {
 999         // rich edit controls send EN_UPDATE from WM_SETTEXT handler themselves
1000         // but the normal ones don't -- make Clear() behaviour consistent by
1001         // always sending this event
1002
1003         // Windows already sends an update event for single-line
1004         // controls.
1005         if ( m_windowStyle & wxTE_MULTILINE )
1006             SendUpdateEvent();
1007     }
1008 }
1009
1010 #ifdef __WIN32__
1011
1012 bool wxTextCtrl::EmulateKeyPress(const wxKeyEvent& event)
1013 {
1014     SetFocus();
1015
1016     size_t lenOld = GetValue().length();
1017
1018     wxUint32 code = event.GetRawKeyCode();
1019     ::keybd_event((BYTE)code, 0, 0 /* key press */, 0);
1020     ::keybd_event((BYTE)code, 0, KEYEVENTF_KEYUP, 0);
1021
1022     // assume that any alphanumeric key changes the total number of characters
1023     // in the control - this should work in 99% of cases
1024     return GetValue().length() != lenOld;
1025 }
1026
1027 #endif // __WIN32__
1028
1029 // ----------------------------------------------------------------------------
1030 // Clipboard operations
1031 // ----------------------------------------------------------------------------
1032
1033 void wxTextCtrl::Copy()
1034 {
1035     if (CanCopy())
1036     {
1037         ::SendMessage(GetHwnd(), WM_COPY, 0, 0L);
1038     }
1039 }
1040
1041 void wxTextCtrl::Cut()
1042 {
1043     if (CanCut())
1044     {
1045         ::SendMessage(GetHwnd(), WM_CUT, 0, 0L);
1046     }
1047 }
1048
1049 void wxTextCtrl::Paste()
1050 {
1051     if (CanPaste())
1052     {
1053         ::SendMessage(GetHwnd(), WM_PASTE, 0, 0L);
1054     }
1055 }
1056
1057 bool wxTextCtrl::HasSelection() const
1058 {
1059     long from, to;
1060     GetSelection(&from, &to);
1061     return from != to;
1062 }
1063
1064 bool wxTextCtrl::CanCopy() const
1065 {
1066     // Can copy if there's a selection
1067     return HasSelection();
1068 }
1069
1070 bool wxTextCtrl::CanCut() const
1071 {
1072     return CanCopy() && IsEditable();
1073 }
1074
1075 bool wxTextCtrl::CanPaste() const
1076 {
1077     if ( !IsEditable() )
1078         return false;
1079
1080 #if wxUSE_RICHEDIT
1081     if ( IsRich() )
1082     {
1083         UINT cf = 0; // 0 == any format
1084
1085         return ::SendMessage(GetHwnd(), EM_CANPASTE, cf, 0) != 0;
1086     }
1087 #endif // wxUSE_RICHEDIT
1088
1089     // Standard edit control: check for straight text on clipboard
1090     if ( !::OpenClipboard(GetHwndOf(wxTheApp->GetTopWindow())) )
1091         return false;
1092
1093     bool isTextAvailable = ::IsClipboardFormatAvailable(CF_TEXT) != 0;
1094     ::CloseClipboard();
1095
1096     return isTextAvailable;
1097 }
1098
1099 // ----------------------------------------------------------------------------
1100 // Accessors
1101 // ----------------------------------------------------------------------------
1102
1103 void wxTextCtrl::SetEditable(bool editable)
1104 {
1105     HWND hWnd = GetHwnd();
1106     ::SendMessage(hWnd, EM_SETREADONLY, (WPARAM)!editable, (LPARAM)0L);
1107 }
1108
1109 void wxTextCtrl::SetInsertionPoint(long pos)
1110 {
1111     DoSetSelection(pos, pos);
1112 }
1113
1114 void wxTextCtrl::SetInsertionPointEnd()
1115 {
1116     // we must not do anything if the caret is already there because calling
1117     // SetInsertionPoint() thaws the controls if Freeze() had been called even
1118     // if it doesn't actually move the caret anywhere and so the simple fact of
1119     // doing it results in horrible flicker when appending big amounts of text
1120     // to the control in a few chunks (see DoAddText() test in the text sample)
1121     if ( GetInsertionPoint() == GetLastPosition() )
1122     {
1123         return;
1124     }
1125
1126     long pos;
1127
1128 #if wxUSE_RICHEDIT
1129     if ( m_verRichEdit == 1 )
1130     {
1131         // we don't have to waste time calling GetLastPosition() in this case
1132         pos = -1;
1133     }
1134     else // !RichEdit 1.0
1135 #endif // wxUSE_RICHEDIT
1136     {
1137         pos = GetLastPosition();
1138     }
1139
1140     SetInsertionPoint(pos);
1141 }
1142
1143 long wxTextCtrl::GetInsertionPoint() const
1144 {
1145 #if wxUSE_RICHEDIT
1146     if ( IsRich() )
1147     {
1148         CHARRANGE range;
1149         range.cpMin = 0;
1150         range.cpMax = 0;
1151         ::SendMessage(GetHwnd(), EM_EXGETSEL, 0, (LPARAM) &range);
1152         return range.cpMin;
1153     }
1154 #endif // wxUSE_RICHEDIT
1155
1156     DWORD Pos = (DWORD)::SendMessage(GetHwnd(), EM_GETSEL, 0, 0L);
1157     return Pos & 0xFFFF;
1158 }
1159
1160 wxTextPos wxTextCtrl::GetLastPosition() const
1161 {
1162     int numLines = GetNumberOfLines();
1163     long posStartLastLine = XYToPosition(0, numLines - 1);
1164
1165     long lenLastLine = GetLengthOfLineContainingPos(posStartLastLine);
1166
1167     return posStartLastLine + lenLastLine;
1168 }
1169
1170 // If the return values from and to are the same, there is no
1171 // selection.
1172 void wxTextCtrl::GetSelection(long* from, long* to) const
1173 {
1174 #if wxUSE_RICHEDIT
1175     if ( IsRich() )
1176     {
1177         CHARRANGE charRange;
1178         ::SendMessage(GetHwnd(), EM_EXGETSEL, 0, (LPARAM) &charRange);
1179
1180         *from = charRange.cpMin;
1181         *to = charRange.cpMax;
1182     }
1183     else
1184 #endif // !wxUSE_RICHEDIT
1185     {
1186         DWORD dwStart, dwEnd;
1187         ::SendMessage(GetHwnd(), EM_GETSEL, (WPARAM)&dwStart, (LPARAM)&dwEnd);
1188
1189         *from = dwStart;
1190         *to = dwEnd;
1191     }
1192 }
1193
1194 bool wxTextCtrl::IsEditable() const
1195 {
1196     // strangely enough, we may be called before the control is created: our
1197     // own Create() calls MSWGetStyle() which calls AcceptsFocus() which calls
1198     // us
1199     if ( !m_hWnd )
1200         return true;
1201
1202     long style = ::GetWindowLong(GetHwnd(), GWL_STYLE);
1203
1204     return (style & ES_READONLY) == 0;
1205 }
1206
1207 // ----------------------------------------------------------------------------
1208 // selection
1209 // ----------------------------------------------------------------------------
1210
1211 void wxTextCtrl::SetSelection(long from, long to)
1212 {
1213     // if from and to are both -1, it means (in wxWidgets) that all text should
1214     // be selected - translate into Windows convention
1215     if ( (from == -1) && (to == -1) )
1216     {
1217         from = 0;
1218         to = -1;
1219     }
1220
1221     DoSetSelection(from, to);
1222 }
1223
1224 void wxTextCtrl::DoSetSelection(long from, long to, bool scrollCaret)
1225 {
1226     HWND hWnd = GetHwnd();
1227
1228 #if wxUSE_RICHEDIT
1229     if ( IsRich() )
1230     {
1231         CHARRANGE range;
1232         range.cpMin = from;
1233         range.cpMax = to;
1234         ::SendMessage(hWnd, EM_EXSETSEL, 0, (LPARAM) &range);
1235     }
1236     else
1237 #endif // wxUSE_RICHEDIT
1238     {
1239         ::SendMessage(hWnd, EM_SETSEL, (WPARAM)from, (LPARAM)to);
1240     }
1241
1242     if ( scrollCaret && !IsFrozen() )
1243     {
1244 #if wxUSE_RICHEDIT
1245         // richedit 3.0 (i.e. the version living in riched20.dll distributed
1246         // with Windows 2000 and beyond) doesn't honour EM_SCROLLCARET when
1247         // emulating richedit 2.0 unless the control has focus or ECO_NOHIDESEL
1248         // option is set (but it does work ok in richedit 1.0 mode...)
1249         //
1250         // so to make it work we either need to give focus to it here which
1251         // will probably create many problems (dummy focus events; window
1252         // containing the text control being brought to foreground
1253         // unexpectedly; ...) or to temporarily set ECO_NOHIDESEL which may
1254         // create other problems too -- and in fact it does because if we turn
1255         // on/off this style while appending the text to the control, the
1256         // vertical scrollbar never appears in it even if we append tons of
1257         // text and to work around this the only solution I found was to use
1258         // ES_DISABLENOSCROLL
1259         //
1260         // this is very ugly but I don't see any other way to make this work
1261         if ( GetRichVersion() > 1 )
1262         {
1263             if ( !HasFlag(wxTE_NOHIDESEL) )
1264             {
1265                 ::SendMessage(GetHwnd(), EM_SETOPTIONS,
1266                               ECOOP_OR, ECO_NOHIDESEL);
1267             }
1268             //else: everything is already ok
1269         }
1270 #endif // wxUSE_RICHEDIT
1271
1272         ::SendMessage(hWnd, EM_SCROLLCARET, (WPARAM)0, (LPARAM)0);
1273
1274 #if wxUSE_RICHEDIT
1275         // restore ECO_NOHIDESEL if we changed it
1276         if ( GetRichVersion() > 1 && !HasFlag(wxTE_NOHIDESEL) )
1277         {
1278             ::SendMessage(GetHwnd(), EM_SETOPTIONS,
1279                           ECOOP_AND, ~ECO_NOHIDESEL);
1280         }
1281 #endif // wxUSE_RICHEDIT
1282     }
1283 }
1284
1285 // ----------------------------------------------------------------------------
1286 // Working with files
1287 // ----------------------------------------------------------------------------
1288
1289 bool wxTextCtrl::LoadFile(const wxString& file)
1290 {
1291     if ( wxTextCtrlBase::LoadFile(file) )
1292     {
1293         // update the size limit if needed
1294         AdjustSpaceLimit();
1295
1296         return true;
1297     }
1298
1299     return false;
1300 }
1301
1302 // ----------------------------------------------------------------------------
1303 // Editing
1304 // ----------------------------------------------------------------------------
1305
1306 void wxTextCtrl::Replace(long from, long to, const wxString& value)
1307 {
1308     // Set selection and remove it
1309     DoSetSelection(from, to, false /* don't scroll caret into view */);
1310
1311     DoWriteText(value, true /* selection only */);
1312 }
1313
1314 void wxTextCtrl::Remove(long from, long to)
1315 {
1316     Replace(from, to, wxEmptyString);
1317 }
1318
1319 bool wxTextCtrl::IsModified() const
1320 {
1321     return ::SendMessage(GetHwnd(), EM_GETMODIFY, 0, 0) != 0;
1322 }
1323
1324 void wxTextCtrl::MarkDirty()
1325 {
1326     ::SendMessage(GetHwnd(), EM_SETMODIFY, TRUE, 0L);
1327 }
1328
1329 void wxTextCtrl::DiscardEdits()
1330 {
1331     ::SendMessage(GetHwnd(), EM_SETMODIFY, FALSE, 0L);
1332 }
1333
1334 int wxTextCtrl::GetNumberOfLines() const
1335 {
1336     return (int)::SendMessage(GetHwnd(), EM_GETLINECOUNT, (WPARAM)0, (LPARAM)0);
1337 }
1338
1339 // ----------------------------------------------------------------------------
1340 // Positions <-> coords
1341 // ----------------------------------------------------------------------------
1342
1343 long wxTextCtrl::XYToPosition(long x, long y) const
1344 {
1345     // This gets the char index for the _beginning_ of this line
1346     long charIndex = ::SendMessage(GetHwnd(), EM_LINEINDEX, (WPARAM)y, (LPARAM)0);
1347
1348     return charIndex + x;
1349 }
1350
1351 bool wxTextCtrl::PositionToXY(long pos, long *x, long *y) const
1352 {
1353     HWND hWnd = GetHwnd();
1354
1355     // This gets the line number containing the character
1356     long lineNo;
1357 #if wxUSE_RICHEDIT
1358     if ( IsRich() )
1359     {
1360         lineNo = ::SendMessage(hWnd, EM_EXLINEFROMCHAR, 0, (LPARAM)pos);
1361     }
1362     else
1363 #endif // wxUSE_RICHEDIT
1364     {
1365         lineNo = ::SendMessage(hWnd, EM_LINEFROMCHAR, (WPARAM)pos, 0);
1366     }
1367
1368     if ( lineNo == -1 )
1369     {
1370         // no such line
1371         return false;
1372     }
1373
1374     // This gets the char index for the _beginning_ of this line
1375     long charIndex = ::SendMessage(hWnd, EM_LINEINDEX, (WPARAM)lineNo, (LPARAM)0);
1376     if ( charIndex == -1 )
1377     {
1378         return false;
1379     }
1380
1381     // The X position must therefore be the different between pos and charIndex
1382     if ( x )
1383         *x = pos - charIndex;
1384     if ( y )
1385         *y = lineNo;
1386
1387     return true;
1388 }
1389
1390 wxTextCtrlHitTestResult
1391 wxTextCtrl::HitTest(const wxPoint& pt, long *posOut) const
1392 {
1393     // first get the position from Windows
1394     LPARAM lParam;
1395
1396 #if wxUSE_RICHEDIT
1397     POINTL ptl;
1398     if ( IsRich() )
1399     {
1400         // for rich edit controls the position is passed iva the struct fields
1401         ptl.x = pt.x;
1402         ptl.y = pt.y;
1403         lParam = (LPARAM)&ptl;
1404     }
1405     else
1406 #endif // wxUSE_RICHEDIT
1407     {
1408         // for the plain ones, we are limited to 16 bit positions which are
1409         // combined in a single 32 bit value
1410         lParam = MAKELPARAM(pt.x, pt.y);
1411     }
1412
1413     LRESULT pos = ::SendMessage(GetHwnd(), EM_CHARFROMPOS, 0, lParam);
1414
1415     if ( pos == -1 )
1416     {
1417         // this seems to indicate an error...
1418         return wxTE_HT_UNKNOWN;
1419     }
1420
1421 #if wxUSE_RICHEDIT
1422     if ( !IsRich() )
1423 #endif // wxUSE_RICHEDIT
1424     {
1425         // for plain EDIT controls the higher word contains something else
1426         pos = LOWORD(pos);
1427     }
1428
1429
1430     // next determine where it is relatively to our point: EM_CHARFROMPOS
1431     // always returns the closest character but we need to be more precise, so
1432     // double check that we really are where it pretends
1433     POINTL ptReal;
1434
1435 #if wxUSE_RICHEDIT
1436     // FIXME: we need to distinguish between richedit 2 and 3 here somehow but
1437     //        we don't know how to do it
1438     if ( IsRich() )
1439     {
1440         ::SendMessage(GetHwnd(), EM_POSFROMCHAR, (WPARAM)&ptReal, pos);
1441     }
1442     else
1443 #endif // wxUSE_RICHEDIT
1444     {
1445         LRESULT lRc = ::SendMessage(GetHwnd(), EM_POSFROMCHAR, pos, 0);
1446
1447         if ( lRc == -1 )
1448         {
1449             // this is apparently returned when pos corresponds to the last
1450             // position
1451             ptReal.x =
1452             ptReal.y = 0;
1453         }
1454         else
1455         {
1456             ptReal.x = LOWORD(lRc);
1457             ptReal.y = HIWORD(lRc);
1458         }
1459     }
1460
1461     wxTextCtrlHitTestResult rc;
1462
1463     if ( pt.y > ptReal.y + GetCharHeight() )
1464         rc = wxTE_HT_BELOW;
1465     else if ( pt.x > ptReal.x + GetCharWidth() )
1466         rc = wxTE_HT_BEYOND;
1467     else
1468         rc = wxTE_HT_ON_TEXT;
1469
1470     if ( posOut )
1471         *posOut = pos;
1472
1473     return rc;
1474 }
1475
1476 // ----------------------------------------------------------------------------
1477 //
1478 // ----------------------------------------------------------------------------
1479
1480 void wxTextCtrl::ShowPosition(long pos)
1481 {
1482     HWND hWnd = GetHwnd();
1483
1484     // To scroll to a position, we pass the number of lines and characters
1485     // to scroll *by*. This means that we need to:
1486     // (1) Find the line position of the current line.
1487     // (2) Find the line position of pos.
1488     // (3) Scroll by (pos - current).
1489     // For now, ignore the horizontal scrolling.
1490
1491     // Is this where scrolling is relative to - the line containing the caret?
1492     // Or is the first visible line??? Try first visible line.
1493 //    int currentLineLineNo1 = (int)::SendMessage(hWnd, EM_LINEFROMCHAR, (WPARAM)-1, (LPARAM)0L);
1494
1495     int currentLineLineNo = (int)::SendMessage(hWnd, EM_GETFIRSTVISIBLELINE, (WPARAM)0, (LPARAM)0L);
1496
1497     int specifiedLineLineNo = (int)::SendMessage(hWnd, EM_LINEFROMCHAR, (WPARAM)pos, (LPARAM)0L);
1498
1499     int linesToScroll = specifiedLineLineNo - currentLineLineNo;
1500
1501     if (linesToScroll != 0)
1502       (void)::SendMessage(hWnd, EM_LINESCROLL, (WPARAM)0, (LPARAM)linesToScroll);
1503 }
1504
1505 long wxTextCtrl::GetLengthOfLineContainingPos(long pos) const
1506 {
1507     return ::SendMessage(GetHwnd(), EM_LINELENGTH, (WPARAM)pos, 0);
1508 }
1509
1510 int wxTextCtrl::GetLineLength(long lineNo) const
1511 {
1512     long pos = XYToPosition(0, lineNo);
1513
1514     return GetLengthOfLineContainingPos(pos);
1515 }
1516
1517 wxString wxTextCtrl::GetLineText(long lineNo) const
1518 {
1519     size_t len = (size_t)GetLineLength(lineNo) + 1;
1520
1521     // there must be at least enough place for the length WORD in the
1522     // buffer
1523     len += sizeof(WORD);
1524
1525     wxString str;
1526     {
1527         wxStringBufferLength tmp(str, len);
1528         wxChar *buf = tmp;
1529
1530         *(WORD *)buf = (WORD)len;
1531         len = (size_t)::SendMessage(GetHwnd(), EM_GETLINE, lineNo, (LPARAM)buf);
1532
1533 #if wxUSE_RICHEDIT
1534         if ( IsRich() )
1535         {
1536             // remove the '\r' returned by the rich edit control, the user code
1537             // should never see it
1538             if ( buf[len - 2] == _T('\r') && buf[len - 1] == _T('\n') )
1539             {
1540                 buf[len - 2] = _T('\n');
1541                 len--;
1542             }
1543         }
1544 #endif // wxUSE_RICHEDIT
1545
1546         // remove the '\n' at the end, if any (this is how this function is
1547         // supposed to work according to the docs)
1548         if ( buf[len - 1] == _T('\n') )
1549         {
1550             len--;
1551         }
1552
1553         buf[len] = 0;
1554         tmp.SetLength(len);
1555     }
1556
1557     return str;
1558 }
1559
1560 void wxTextCtrl::SetMaxLength(unsigned long len)
1561 {
1562 #if wxUSE_RICHEDIT
1563     if ( IsRich() )
1564     {
1565         ::SendMessage(GetHwnd(), EM_EXLIMITTEXT, 0, len ? len : 0x7fffffff);
1566     }
1567     else
1568 #endif // wxUSE_RICHEDIT
1569     {
1570         if ( len >= 0xffff )
1571         {
1572             // this will set it to a platform-dependent maximum (much more
1573             // than 64Kb under NT)
1574             len = 0;
1575         }
1576
1577         ::SendMessage(GetHwnd(), EM_LIMITTEXT, len, 0);
1578     }
1579 }
1580
1581 // ----------------------------------------------------------------------------
1582 // Undo/redo
1583 // ----------------------------------------------------------------------------
1584
1585 void wxTextCtrl::Undo()
1586 {
1587     if (CanUndo())
1588     {
1589         ::SendMessage(GetHwnd(), EM_UNDO, 0, 0);
1590     }
1591 }
1592
1593 void wxTextCtrl::Redo()
1594 {
1595     if (CanRedo())
1596     {
1597 #if wxUSE_RICHEDIT
1598         if (GetRichVersion() > 1)
1599             ::SendMessage(GetHwnd(), EM_REDO, 0, 0);
1600         else
1601 #endif
1602         // Same as Undo, since Undo undoes the undo, i.e. a redo.
1603         ::SendMessage(GetHwnd(), EM_UNDO, 0, 0);
1604     }
1605 }
1606
1607 bool wxTextCtrl::CanUndo() const
1608 {
1609     return ::SendMessage(GetHwnd(), EM_CANUNDO, 0, 0) != 0;
1610 }
1611
1612 bool wxTextCtrl::CanRedo() const
1613 {
1614 #if wxUSE_RICHEDIT
1615     if (GetRichVersion() > 1)
1616         return ::SendMessage(GetHwnd(), EM_CANREDO, 0, 0) != 0;
1617     else
1618 #endif
1619     return ::SendMessage(GetHwnd(), EM_CANUNDO, 0, 0) != 0;
1620 }
1621
1622 // ----------------------------------------------------------------------------
1623 // caret handling (Windows only)
1624 // ----------------------------------------------------------------------------
1625
1626 bool wxTextCtrl::ShowNativeCaret(bool show)
1627 {
1628     if ( show != m_isNativeCaretShown )
1629     {
1630         if ( !(show ? ::ShowCaret(GetHwnd()) : ::HideCaret(GetHwnd())) )
1631         {
1632             // not an error, may simply indicate that it's not shown/hidden
1633             // yet (i.e. it had been hidden/showh 2 times before)
1634             return false;
1635         }
1636
1637         m_isNativeCaretShown = show;
1638     }
1639
1640     return true;
1641 }
1642
1643 // ----------------------------------------------------------------------------
1644 // implemenation details
1645 // ----------------------------------------------------------------------------
1646
1647 void wxTextCtrl::Command(wxCommandEvent & event)
1648 {
1649     SetValue(event.GetString());
1650     ProcessCommand (event);
1651 }
1652
1653 void wxTextCtrl::OnDropFiles(wxDropFilesEvent& event)
1654 {
1655     // By default, load the first file into the text window.
1656     if (event.GetNumberOfFiles() > 0)
1657     {
1658         LoadFile(event.GetFiles()[0]);
1659     }
1660 }
1661
1662 // ----------------------------------------------------------------------------
1663 // kbd input processing
1664 // ----------------------------------------------------------------------------
1665
1666 bool wxTextCtrl::MSWShouldPreProcessMessage(WXMSG* pMsg)
1667 {
1668     MSG *msg = (MSG *)pMsg;
1669
1670     // check for our special keys here: if we don't do it and the parent frame
1671     // uses them as accelerators, they wouldn't work at all, so we disable
1672     // usual preprocessing for them
1673     if ( msg->message == WM_KEYDOWN )
1674     {
1675         WORD vkey = (WORD) msg->wParam;
1676         if ( (HIWORD(msg->lParam) & KF_ALTDOWN) == KF_ALTDOWN )
1677         {
1678             if ( vkey == VK_BACK )
1679                 return false;
1680         }
1681         else // no Alt
1682         {
1683             // we want to process some Ctrl-foo and Shift-bar but no key
1684             // combinations without either Ctrl or Shift nor with both of them
1685             // pressed
1686             const int ctrl = wxIsCtrlDown(),
1687                       shift = wxIsShiftDown();
1688             switch ( ctrl + shift )
1689             {
1690                 default:
1691                     wxFAIL_MSG( _T("how many modifiers have we got?") );
1692                     // fall through
1693
1694                 case 0:
1695                 case 2:
1696                     break;
1697
1698                 case 1:
1699                     // either Ctrl or Shift pressed
1700                     if ( ctrl )
1701                     {
1702                         switch ( vkey )
1703                         {
1704                             case 'C':
1705                             case 'V':
1706                             case 'X':
1707                             case VK_INSERT:
1708                             case VK_DELETE:
1709                             case VK_HOME:
1710                             case VK_END:
1711                                 return false;
1712                         }
1713                     }
1714                     else // Shift is pressed
1715                     {
1716                         if ( vkey == VK_INSERT || vkey == VK_DELETE )
1717                             return false;
1718                     }
1719             }
1720         }
1721     }
1722
1723     return wxControl::MSWShouldPreProcessMessage(pMsg);
1724 }
1725
1726 void wxTextCtrl::OnChar(wxKeyEvent& event)
1727 {
1728     switch ( event.GetKeyCode() )
1729     {
1730         case WXK_RETURN:
1731             if ( !HasFlag(wxTE_MULTILINE) )
1732             {
1733                 wxCommandEvent event(wxEVT_COMMAND_TEXT_ENTER, m_windowId);
1734                 InitCommandEvent(event);
1735                 event.SetString(GetValue());
1736                 if ( GetEventHandler()->ProcessEvent(event) )
1737                     return;
1738             }
1739             //else: multiline controls need Enter for themselves
1740
1741             break;
1742
1743         case WXK_TAB:
1744             // ok, so this is getting absolutely ridiculous but I don't see
1745             // any other way to fix this bug: when a multiline text control is
1746             // inside a wxFrame, we need to generate the navigation event as
1747             // otherwise nothing happens at all, but when the same control is
1748             // created inside a dialog, IsDialogMessage() *does* switch focus
1749             // all by itself and so if we do it here as well, it is advanced
1750             // twice and goes to the next control... to prevent this from
1751             // happening we're doing this ugly check, the logic being that if
1752             // we don't have focus then it had been already changed to the next
1753             // control
1754             //
1755             // the right thing to do would, of course, be to understand what
1756             // the hell is IsDialogMessage() doing but this is beyond my feeble
1757             // forces at the moment unfortunately
1758             if ( !(m_windowStyle & wxTE_PROCESS_TAB))
1759             {
1760                 if ( FindFocus() == this )
1761                 {
1762                     int flags = 0;
1763                     if (!event.ShiftDown())
1764                         flags |= wxNavigationKeyEvent::IsForward ;
1765                     if (event.ControlDown())
1766                         flags |= wxNavigationKeyEvent::WinChange ;
1767                     if (Navigate(flags))
1768                         return;
1769                 }
1770             }
1771             else
1772             {
1773                 // Insert tab since calling the default Windows handler
1774                 // doesn't seem to do it
1775                 WriteText(wxT("\t"));
1776                 return;
1777             }
1778             break;
1779     }
1780
1781     // no, we didn't process it
1782     event.Skip();
1783 }
1784
1785 WXLRESULT wxTextCtrl::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam)
1786 {
1787     WXLRESULT lRc = wxTextCtrlBase::MSWWindowProc(nMsg, wParam, lParam);
1788
1789     if ( nMsg == WM_GETDLGCODE )
1790     {
1791         // we always want the chars and the arrows: the arrows for navigation
1792         // and the chars because we want Ctrl-C to work even in a read only
1793         // control
1794         long lDlgCode = DLGC_WANTCHARS | DLGC_WANTARROWS;
1795
1796         if ( IsEditable() )
1797         {
1798             // we may have several different cases:
1799             // 1. normal case: both TAB and ENTER are used for dlg navigation
1800             // 2. ctrl which wants TAB for itself: ENTER is used to pass to the
1801             //    next control in the dialog
1802             // 3. ctrl which wants ENTER for itself: TAB is used for dialog
1803             //    navigation
1804             // 4. ctrl which wants both TAB and ENTER: Ctrl-ENTER is used to go
1805             //    to the next control
1806
1807             // the multiline edit control should always get <Return> for itself
1808             if ( HasFlag(wxTE_PROCESS_ENTER) || HasFlag(wxTE_MULTILINE) )
1809                 lDlgCode |= DLGC_WANTMESSAGE;
1810
1811             if ( HasFlag(wxTE_PROCESS_TAB) )
1812                 lDlgCode |= DLGC_WANTTAB;
1813
1814             lRc |= lDlgCode;
1815         }
1816         else // !editable
1817         {
1818             // NB: use "=", not "|=" as the base class version returns the
1819             //     same flags is this state as usual (i.e. including
1820             //     DLGC_WANTMESSAGE). This is strange (how does it work in the
1821             //     native Win32 apps?) but for now live with it.
1822             lRc = lDlgCode;
1823         }
1824     }
1825
1826     return lRc;
1827 }
1828
1829 // ----------------------------------------------------------------------------
1830 // text control event processing
1831 // ----------------------------------------------------------------------------
1832
1833 bool wxTextCtrl::SendUpdateEvent()
1834 {
1835     switch ( m_updatesCount )
1836     {
1837         case 0:
1838             // remember that we've got an update
1839             m_updatesCount++;
1840             break;
1841
1842         case 1:
1843             // we had already sent one event since the last control modification
1844             return false;
1845
1846         default:
1847             wxFAIL_MSG( _T("unexpected wxTextCtrl::m_updatesCount value") );
1848             // fall through
1849
1850         case -1:
1851             // we hadn't updated the control ourselves, this event comes from
1852             // the user, don't need to ignore it nor update the count
1853             break;
1854     }
1855
1856     wxCommandEvent event(wxEVT_COMMAND_TEXT_UPDATED, GetId());
1857     InitCommandEvent(event);
1858
1859     return ProcessCommand(event);
1860 }
1861
1862 bool wxTextCtrl::MSWCommand(WXUINT param, WXWORD WXUNUSED(id))
1863 {
1864     switch ( param )
1865     {
1866         case EN_SETFOCUS:
1867         case EN_KILLFOCUS:
1868             {
1869                 wxFocusEvent event(param == EN_KILLFOCUS ? wxEVT_KILL_FOCUS
1870                                                          : wxEVT_SET_FOCUS,
1871                                    m_windowId);
1872                 event.SetEventObject(this);
1873                 GetEventHandler()->ProcessEvent(event);
1874             }
1875             break;
1876
1877         case EN_CHANGE:
1878             SendUpdateEvent();
1879             break;
1880
1881         case EN_MAXTEXT:
1882             // the text size limit has been hit -- try to increase it
1883             if ( !AdjustSpaceLimit() )
1884             {
1885                 wxCommandEvent event(wxEVT_COMMAND_TEXT_MAXLEN, m_windowId);
1886                 InitCommandEvent(event);
1887                 event.SetString(GetValue());
1888                 ProcessCommand(event);
1889             }
1890             break;
1891
1892             // the other edit notification messages are not processed
1893         default:
1894             return false;
1895     }
1896
1897     // processed
1898     return true;
1899 }
1900
1901 WXHBRUSH wxTextCtrl::MSWControlColor(WXHDC hDC, WXHWND hWnd)
1902 {
1903     if ( !IsEnabled() && !HasFlag(wxTE_MULTILINE) )
1904         return MSWControlColorDisabled(hDC);
1905
1906     return wxTextCtrlBase::MSWControlColor(hDC, hWnd);
1907 }
1908
1909 bool wxTextCtrl::HasSpaceLimit(unsigned int *len) const
1910 {
1911     // HACK: we try to automatically extend the limit for the amount of text
1912     //       to allow (interactively) entering more than 64Kb of text under
1913     //       Win9x but we shouldn't reset the text limit which was previously
1914     //       set explicitly with SetMaxLength()
1915     //
1916     //       Unfortunately there is no EM_GETLIMITTEXTSETBYUSER and so we don't
1917     //       know the limit we set (if any). We could solve this by storing the
1918     //       limit we set in wxTextCtrl but to save space we prefer to simply
1919     //       test here the actual limit value: we consider that SetMaxLength()
1920     //       can only be called for small values while EN_MAXTEXT is only sent
1921     //       for large values (in practice the default limit seems to be 30000
1922     //       but make it smaller just to be on the safe side)
1923     *len = ::SendMessage(GetHwnd(), EM_GETLIMITTEXT, 0, 0);
1924     return *len < 10001;
1925
1926 }
1927
1928 bool wxTextCtrl::AdjustSpaceLimit()
1929 {
1930     unsigned int limit;
1931     if ( HasSpaceLimit(&limit) )
1932         return false;
1933
1934     unsigned int len = ::GetWindowTextLength(GetHwnd());
1935     if ( len >= limit )
1936     {
1937         // increment in 32Kb chunks
1938         SetMaxLength(len + 0x8000);
1939     }
1940
1941     // we changed the limit
1942     return true;
1943 }
1944
1945 bool wxTextCtrl::AcceptsFocus() const
1946 {
1947     // we don't want focus if we can't be edited unless we're a multiline
1948     // control because then it might be still nice to get focus from keyboard
1949     // to be able to scroll it without mouse
1950     return (IsEditable() || IsMultiLine()) && wxControl::AcceptsFocus();
1951 }
1952
1953 wxSize wxTextCtrl::DoGetBestSize() const
1954 {
1955     int cx, cy;
1956     wxGetCharSize(GetHWND(), &cx, &cy, GetFont());
1957
1958     int wText = DEFAULT_ITEM_WIDTH;
1959
1960     int hText = cy;
1961     if ( m_windowStyle & wxTE_MULTILINE )
1962     {
1963         hText *= wxMax(wxMin(GetNumberOfLines(), 10), 2);
1964     }
1965     //else: for single line control everything is ok
1966
1967     // we have to add the adjustments for the control height only once, not
1968     // once per line, so do it after multiplication above
1969     hText += EDIT_HEIGHT_FROM_CHAR_HEIGHT(cy) - cy;
1970
1971     return wxSize(wText, hText);
1972 }
1973
1974 // ----------------------------------------------------------------------------
1975 // standard handlers for standard edit menu events
1976 // ----------------------------------------------------------------------------
1977
1978 void wxTextCtrl::OnCut(wxCommandEvent& WXUNUSED(event))
1979 {
1980     Cut();
1981 }
1982
1983 void wxTextCtrl::OnCopy(wxCommandEvent& WXUNUSED(event))
1984 {
1985     Copy();
1986 }
1987
1988 void wxTextCtrl::OnPaste(wxCommandEvent& WXUNUSED(event))
1989 {
1990     Paste();
1991 }
1992
1993 void wxTextCtrl::OnUndo(wxCommandEvent& WXUNUSED(event))
1994 {
1995     Undo();
1996 }
1997
1998 void wxTextCtrl::OnRedo(wxCommandEvent& WXUNUSED(event))
1999 {
2000     Redo();
2001 }
2002
2003 void wxTextCtrl::OnDelete(wxCommandEvent& WXUNUSED(event))
2004 {
2005     long from, to;
2006     GetSelection(& from, & to);
2007     if (from != -1 && to != -1)
2008         Remove(from, to);
2009 }
2010
2011 void wxTextCtrl::OnSelectAll(wxCommandEvent& WXUNUSED(event))
2012 {
2013     SetSelection(-1, -1);
2014 }
2015
2016 void wxTextCtrl::OnUpdateCut(wxUpdateUIEvent& event)
2017 {
2018     event.Enable( CanCut() );
2019 }
2020
2021 void wxTextCtrl::OnUpdateCopy(wxUpdateUIEvent& event)
2022 {
2023     event.Enable( CanCopy() );
2024 }
2025
2026 void wxTextCtrl::OnUpdatePaste(wxUpdateUIEvent& event)
2027 {
2028     event.Enable( CanPaste() );
2029 }
2030
2031 void wxTextCtrl::OnUpdateUndo(wxUpdateUIEvent& event)
2032 {
2033     event.Enable( CanUndo() );
2034 }
2035
2036 void wxTextCtrl::OnUpdateRedo(wxUpdateUIEvent& event)
2037 {
2038     event.Enable( CanRedo() );
2039 }
2040
2041 void wxTextCtrl::OnUpdateDelete(wxUpdateUIEvent& event)
2042 {
2043     long from, to;
2044     GetSelection(& from, & to);
2045     event.Enable(from != -1 && to != -1 && from != to && IsEditable()) ;
2046 }
2047
2048 void wxTextCtrl::OnUpdateSelectAll(wxUpdateUIEvent& event)
2049 {
2050     event.Enable(GetLastPosition() > 0);
2051 }
2052
2053 void wxTextCtrl::OnContextMenu(wxContextMenuEvent& event)
2054 {
2055 #if wxUSE_RICHEDIT
2056     if (IsRich())
2057     {
2058         if (!m_privateContextMenu)
2059         {
2060             m_privateContextMenu = new wxMenu;
2061             m_privateContextMenu->Append(wxID_UNDO, _("&Undo"));
2062             m_privateContextMenu->Append(wxID_REDO, _("&Redo"));
2063             m_privateContextMenu->AppendSeparator();
2064             m_privateContextMenu->Append(wxID_CUT, _("Cu&t"));
2065             m_privateContextMenu->Append(wxID_COPY, _("&Copy"));
2066             m_privateContextMenu->Append(wxID_PASTE, _("&Paste"));
2067             m_privateContextMenu->Append(wxID_CLEAR, _("&Delete"));
2068             m_privateContextMenu->AppendSeparator();
2069             m_privateContextMenu->Append(wxID_SELECTALL, _("Select &All"));
2070         }
2071         PopupMenu(m_privateContextMenu);
2072         return;
2073     }
2074     else
2075 #endif
2076     event.Skip();
2077 }
2078
2079 void wxTextCtrl::OnSetFocus(wxFocusEvent& WXUNUSED(event))
2080 {
2081     // be sure the caret remains invisible if the user had hidden it
2082     if ( !m_isNativeCaretShown )
2083     {
2084         ::HideCaret(GetHwnd());
2085     }
2086 }
2087
2088 // ----------------------------------------------------------------------------
2089 // Default colors for MSW text control
2090 //
2091 // Set default background color to the native white instead of
2092 // the default wxSYS_COLOUR_BTNFACE (is triggered with wxNullColour).
2093 // ----------------------------------------------------------------------------
2094
2095 wxVisualAttributes wxTextCtrl::GetDefaultAttributes() const
2096 {
2097     wxVisualAttributes attrs;
2098     attrs.font = wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT);
2099     attrs.colFg = wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOWTEXT);
2100     attrs.colBg = wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW); //white
2101
2102     return attrs;
2103 }
2104
2105 // the rest of the file only deals with the rich edit controls
2106 #if wxUSE_RICHEDIT
2107
2108 // ----------------------------------------------------------------------------
2109 // EN_LINK processing
2110 // ----------------------------------------------------------------------------
2111
2112 bool wxTextCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
2113 {
2114     NMHDR *hdr = (NMHDR* )lParam;
2115     switch ( hdr->code )
2116     {
2117        case EN_MSGFILTER:
2118             {
2119                 const MSGFILTER *msgf = (MSGFILTER *)lParam;
2120                 UINT msg = msgf->msg;
2121
2122                 // this is a bit crazy but richedit 1.0 sends us all mouse
2123                 // events _except_ WM_LBUTTONUP (don't ask me why) so we have
2124                 // generate the wxWin events for this message manually
2125                 //
2126                 // NB: in fact, this is still not totally correct as it does
2127                 //     send us WM_LBUTTONUP if the selection was cleared by the
2128                 //     last click -- so currently we get 2 events in this case,
2129                 //     but as I don't see any obvious way to check for this I
2130                 //     leave this code in place because it's still better than
2131                 //     not getting left up events at all
2132                 if ( msg == WM_LBUTTONUP )
2133                 {
2134                     WXUINT flags = msgf->wParam;
2135                     int x = GET_X_LPARAM(msgf->lParam),
2136                         y = GET_Y_LPARAM(msgf->lParam);
2137
2138                     HandleMouseEvent(msg, x, y, flags);
2139                 }
2140             }
2141
2142             // return true to process the event (and false to ignore it)
2143             return true;
2144
2145         case EN_LINK:
2146             {
2147                 const ENLINK *enlink = (ENLINK *)hdr;
2148
2149                 switch ( enlink->msg )
2150                 {
2151                     case WM_SETCURSOR:
2152                         // ok, so it is hardcoded - do we really nee to
2153                         // customize it?
2154                         {
2155                             wxCursor cur(wxCURSOR_HAND);
2156                             ::SetCursor(GetHcursorOf(cur));
2157                             *result = TRUE;
2158                             break;
2159                         }
2160
2161                     case WM_MOUSEMOVE:
2162                     case WM_LBUTTONDOWN:
2163                     case WM_LBUTTONUP:
2164                     case WM_LBUTTONDBLCLK:
2165                     case WM_RBUTTONDOWN:
2166                     case WM_RBUTTONUP:
2167                     case WM_RBUTTONDBLCLK:
2168                         // send a mouse event
2169                         {
2170                             static const wxEventType eventsMouse[] =
2171                             {
2172                                 wxEVT_MOTION,
2173                                 wxEVT_LEFT_DOWN,
2174                                 wxEVT_LEFT_UP,
2175                                 wxEVT_LEFT_DCLICK,
2176                                 wxEVT_RIGHT_DOWN,
2177                                 wxEVT_RIGHT_UP,
2178                                 wxEVT_RIGHT_DCLICK,
2179                             };
2180
2181                             // the event ids are consecutive
2182                             wxMouseEvent
2183                                 evtMouse(eventsMouse[enlink->msg - WM_MOUSEMOVE]);
2184
2185                             InitMouseEvent(evtMouse,
2186                                            GET_X_LPARAM(enlink->lParam),
2187                                            GET_Y_LPARAM(enlink->lParam),
2188                                            enlink->wParam);
2189
2190                             wxTextUrlEvent event(m_windowId, evtMouse,
2191                                                  enlink->chrg.cpMin,
2192                                                  enlink->chrg.cpMax);
2193
2194                             InitCommandEvent(event);
2195
2196                             *result = ProcessCommand(event);
2197                         }
2198                         break;
2199                 }
2200             }
2201             return true;
2202     }
2203
2204     // not processed, leave it to the base class
2205     return wxTextCtrlBase::MSWOnNotify(idCtrl, lParam, result);
2206 }
2207
2208 // ----------------------------------------------------------------------------
2209 // colour setting for the rich edit controls
2210 // ----------------------------------------------------------------------------
2211
2212 bool wxTextCtrl::SetBackgroundColour(const wxColour& colour)
2213 {
2214     if ( !wxTextCtrlBase::SetBackgroundColour(colour) )
2215     {
2216         // colour didn't really change
2217         return false;
2218     }
2219
2220     if ( IsRich() )
2221     {
2222         // rich edit doesn't use WM_CTLCOLOR, hence we need to send
2223         // EM_SETBKGNDCOLOR additionally
2224         ::SendMessage(GetHwnd(), EM_SETBKGNDCOLOR, 0, wxColourToRGB(colour));
2225     }
2226
2227     return true;
2228 }
2229
2230 bool wxTextCtrl::SetForegroundColour(const wxColour& colour)
2231 {
2232     if ( !wxTextCtrlBase::SetForegroundColour(colour) )
2233     {
2234         // colour didn't really change
2235         return false;
2236     }
2237
2238     if ( IsRich() )
2239     {
2240         // change the colour of everything
2241         CHARFORMAT cf;
2242         wxZeroMemory(cf);
2243         cf.cbSize = sizeof(cf);
2244         cf.dwMask = CFM_COLOR;
2245         cf.crTextColor = wxColourToRGB(colour);
2246         ::SendMessage(GetHwnd(), EM_SETCHARFORMAT, SCF_ALL, (LPARAM)&cf);
2247     }
2248
2249     return true;
2250 }
2251
2252 // ----------------------------------------------------------------------------
2253 // styling support for rich edit controls
2254 // ----------------------------------------------------------------------------
2255
2256 #if wxUSE_RICHEDIT
2257
2258 bool wxTextCtrl::SetStyle(long start, long end, const wxTextAttr& style)
2259 {
2260     if ( !IsRich() )
2261     {
2262         // can't do it with normal text control
2263         return false;
2264     }
2265
2266     // the richedit 1.0 doesn't handle setting background colour, so don't
2267     // even try to do anything if it's the only thing we want to change
2268     if ( m_verRichEdit == 1 && !style.HasFont() && !style.HasTextColour() &&
2269         !style.HasLeftIndent() && !style.HasRightIndent() && !style.HasAlignment() &&
2270         !style.HasTabs() )
2271     {
2272         // nothing to do: return true if there was really nothing to do and
2273         // false if we failed to set bg colour
2274         return !style.HasBackgroundColour();
2275     }
2276
2277     // order the range if needed
2278     if ( start > end )
2279     {
2280         long tmp = start;
2281         start = end;
2282         end = tmp;
2283     }
2284
2285     // we can only change the format of the selection, so select the range we
2286     // want and restore the old selection later
2287     long startOld, endOld;
2288     GetSelection(&startOld, &endOld);
2289
2290     // but do we really have to change the selection?
2291     bool changeSel = start != startOld || end != endOld;
2292
2293     if ( changeSel )
2294     {
2295         DoSetSelection(start, end, false /* don't scroll caret into view */);
2296     }
2297
2298     // initialize CHARFORMAT struct
2299 #if wxUSE_RICHEDIT2
2300     CHARFORMAT2 cf;
2301 #else
2302     CHARFORMAT cf;
2303 #endif
2304
2305     wxZeroMemory(cf);
2306
2307     // we can't use CHARFORMAT2 with RichEdit 1.0, so pretend it is a simple
2308     // CHARFORMAT in that case
2309 #if wxUSE_RICHEDIT2
2310     if ( m_verRichEdit == 1 )
2311     {
2312         // this is the only thing the control is going to grok
2313         cf.cbSize = sizeof(CHARFORMAT);
2314     }
2315     else
2316 #endif
2317     {
2318         // CHARFORMAT or CHARFORMAT2
2319         cf.cbSize = sizeof(cf);
2320     }
2321
2322     if ( style.HasFont() )
2323     {
2324         // VZ: CFM_CHARSET doesn't seem to do anything at all in RichEdit 2.0
2325         //     but using it doesn't seem to hurt neither so leaving it for now
2326
2327         cf.dwMask |= CFM_FACE | CFM_SIZE | CFM_CHARSET |
2328                      CFM_ITALIC | CFM_BOLD | CFM_UNDERLINE;
2329
2330         // fill in data from LOGFONT but recalculate lfHeight because we need
2331         // the real height in twips and not the negative number which
2332         // wxFillLogFont() returns (this is correct in general and works with
2333         // the Windows font mapper, but not here)
2334         LOGFONT lf;
2335         wxFillLogFont(&lf, &style.GetFont());
2336         cf.yHeight = 20*style.GetFont().GetPointSize(); // 1 pt = 20 twips
2337         cf.bCharSet = lf.lfCharSet;
2338         cf.bPitchAndFamily = lf.lfPitchAndFamily;
2339         wxStrncpy( cf.szFaceName, lf.lfFaceName, WXSIZEOF(cf.szFaceName) );
2340
2341         // also deal with underline/italic/bold attributes: note that we must
2342         // always set CFM_ITALIC &c bits in dwMask, even if we don't set the
2343         // style to allow clearing it
2344         if ( lf.lfItalic )
2345         {
2346             cf.dwEffects |= CFE_ITALIC;
2347         }
2348
2349         if ( lf.lfWeight == FW_BOLD )
2350         {
2351             cf.dwEffects |= CFE_BOLD;
2352         }
2353
2354         if ( lf.lfUnderline )
2355         {
2356             cf.dwEffects |= CFE_UNDERLINE;
2357         }
2358
2359         // strikeout fonts are not supported by wxWidgets
2360     }
2361
2362     if ( style.HasTextColour() )
2363     {
2364         cf.dwMask |= CFM_COLOR;
2365         cf.crTextColor = wxColourToRGB(style.GetTextColour());
2366     }
2367
2368 #if wxUSE_RICHEDIT2
2369     if ( m_verRichEdit != 1 && style.HasBackgroundColour() )
2370     {
2371         cf.dwMask |= CFM_BACKCOLOR;
2372         cf.crBackColor = wxColourToRGB(style.GetBackgroundColour());
2373     }
2374 #endif // wxUSE_RICHEDIT2
2375
2376     // do format the selection
2377     bool ok = ::SendMessage(GetHwnd(), EM_SETCHARFORMAT,
2378                             SCF_SELECTION, (LPARAM)&cf) != 0;
2379     if ( !ok )
2380     {
2381         wxLogDebug(_T("SendMessage(EM_SETCHARFORMAT, SCF_SELECTION) failed"));
2382     }
2383
2384     // now do the paragraph formatting
2385     PARAFORMAT2 pf;
2386     wxZeroMemory(pf);
2387     // we can't use PARAFORMAT2 with RichEdit 1.0, so pretend it is a simple
2388     // PARAFORMAT in that case
2389 #if wxUSE_RICHEDIT2
2390     if ( m_verRichEdit == 1 )
2391     {
2392         // this is the only thing the control is going to grok
2393         pf.cbSize = sizeof(PARAFORMAT);
2394     }
2395     else
2396 #endif
2397     {
2398         // PARAFORMAT or PARAFORMAT2
2399         pf.cbSize = sizeof(pf);
2400     }
2401
2402     if (style.HasAlignment())
2403     {
2404         pf.dwMask |= PFM_ALIGNMENT;
2405         if (style.GetAlignment() == wxTEXT_ALIGNMENT_RIGHT)
2406             pf.wAlignment = PFA_RIGHT;
2407         else if (style.GetAlignment() == wxTEXT_ALIGNMENT_CENTRE)
2408             pf.wAlignment = PFA_CENTER;
2409         else if (style.GetAlignment() == wxTEXT_ALIGNMENT_JUSTIFIED)
2410             pf.wAlignment = PFA_JUSTIFY;
2411         else
2412             pf.wAlignment = PFA_LEFT;
2413     }
2414
2415     if (style.HasLeftIndent())
2416     {
2417         pf.dwMask |= PFM_STARTINDENT | PFM_OFFSET;
2418
2419         // Convert from 1/10 mm to TWIPS
2420         pf.dxStartIndent = (int) (((double) style.GetLeftIndent()) * mm2twips / 10.0) ;
2421         pf.dxOffset = (int) (((double) style.GetLeftSubIndent()) * mm2twips / 10.0) ;
2422     }
2423
2424     if (style.HasRightIndent())
2425     {
2426         pf.dwMask |= PFM_RIGHTINDENT;
2427
2428         // Convert from 1/10 mm to TWIPS
2429         pf.dxRightIndent = (int) (((double) style.GetRightIndent()) * mm2twips / 10.0) ;
2430     }
2431
2432     if (style.HasTabs())
2433     {
2434         pf.dwMask |= PFM_TABSTOPS;
2435
2436         const wxArrayInt& tabs = style.GetTabs();
2437
2438         pf.cTabCount = (SHORT)wxMin(tabs.GetCount(), MAX_TAB_STOPS);
2439         size_t i;
2440         for (i = 0; i < (size_t) pf.cTabCount; i++)
2441         {
2442             // Convert from 1/10 mm to TWIPS
2443             pf.rgxTabs[i] = (int) (((double) tabs[i]) * mm2twips / 10.0) ;
2444         }
2445     }
2446
2447     if (pf.dwMask != 0)
2448     {
2449         // do format the selection
2450         bool ok = ::SendMessage(GetHwnd(), EM_SETPARAFORMAT,
2451             0, (LPARAM) &pf) != 0;
2452         if ( !ok )
2453         {
2454             wxLogDebug(_T("SendMessage(EM_SETPARAFORMAT, 0) failed"));
2455         }
2456     }
2457
2458     if ( changeSel )
2459     {
2460         // restore the original selection
2461         DoSetSelection(startOld, endOld, false);
2462     }
2463
2464     return ok;
2465 }
2466
2467 bool wxTextCtrl::SetDefaultStyle(const wxTextAttr& style)
2468 {
2469     if ( !wxTextCtrlBase::SetDefaultStyle(style) )
2470         return false;
2471
2472     if ( IsEditable() )
2473     {
2474         // we have to do this or the style wouldn't apply for the text typed by
2475         // the user
2476         wxTextPos posLast = GetLastPosition();
2477         SetStyle(posLast, posLast, m_defaultStyle);
2478     }
2479
2480     return true;
2481 }
2482
2483 bool wxTextCtrl::GetStyle(long position, wxTextAttr& style)
2484 {
2485     if ( !IsRich() )
2486     {
2487         // can't do it with normal text control
2488         return false;
2489     }
2490
2491     // initialize CHARFORMAT struct
2492 #if wxUSE_RICHEDIT2
2493     CHARFORMAT2 cf;
2494 #else
2495     CHARFORMAT cf;
2496 #endif
2497
2498     wxZeroMemory(cf);
2499
2500     // we can't use CHARFORMAT2 with RichEdit 1.0, so pretend it is a simple
2501     // CHARFORMAT in that case
2502 #if wxUSE_RICHEDIT2
2503     if ( m_verRichEdit == 1 )
2504     {
2505         // this is the only thing the control is going to grok
2506         cf.cbSize = sizeof(CHARFORMAT);
2507     }
2508     else
2509 #endif
2510     {
2511         // CHARFORMAT or CHARFORMAT2
2512         cf.cbSize = sizeof(cf);
2513     }
2514     // we can only change the format of the selection, so select the range we
2515     // want and restore the old selection later
2516     long startOld, endOld;
2517     GetSelection(&startOld, &endOld);
2518
2519     // but do we really have to change the selection?
2520     bool changeSel = position != startOld || position != endOld;
2521
2522     if ( changeSel )
2523     {
2524         DoSetSelection(position, position, false /* don't scroll caret into view */);
2525     }
2526
2527     // get the selection formatting
2528     (void) ::SendMessage(GetHwnd(), EM_GETCHARFORMAT,
2529                             SCF_SELECTION, (LPARAM)&cf) ;
2530
2531
2532     LOGFONT lf;
2533     lf.lfHeight = cf.yHeight;
2534     lf.lfWidth = 0;
2535     lf.lfCharSet = ANSI_CHARSET; // FIXME: how to get correct charset?
2536     lf.lfClipPrecision = 0;
2537     lf.lfEscapement = 0;
2538     wxStrcpy(lf.lfFaceName, cf.szFaceName);
2539
2540     //NOTE:  we _MUST_ set each of these values to _something_ since we
2541     //do not call wxZeroMemory on the LOGFONT lf
2542     if (cf.dwEffects & CFE_ITALIC)
2543         lf.lfItalic = TRUE;
2544     else
2545         lf.lfItalic = FALSE;
2546
2547     lf.lfOrientation = 0;
2548     lf.lfPitchAndFamily = cf.bPitchAndFamily;
2549     lf.lfQuality = 0;
2550
2551     if (cf.dwEffects & CFE_STRIKEOUT)
2552         lf.lfStrikeOut = TRUE;
2553     else
2554         lf.lfStrikeOut = FALSE;
2555
2556     if (cf.dwEffects & CFE_UNDERLINE)
2557         lf.lfUnderline = TRUE;
2558     else
2559         lf.lfUnderline = FALSE;
2560
2561     if (cf.dwEffects & CFE_BOLD)
2562         lf.lfWeight = FW_BOLD;
2563     else
2564         lf.lfWeight = FW_NORMAL;
2565
2566     wxFont font = wxCreateFontFromLogFont(& lf);
2567     if (font.Ok())
2568     {
2569         style.SetFont(font);
2570     }
2571     style.SetTextColour(wxColour(cf.crTextColor));
2572
2573 #if wxUSE_RICHEDIT2
2574     if ( m_verRichEdit != 1 )
2575     {
2576         // cf.dwMask |= CFM_BACKCOLOR;
2577         style.SetBackgroundColour(wxColour(cf.crBackColor));
2578     }
2579 #endif // wxUSE_RICHEDIT2
2580
2581     // now get the paragraph formatting
2582     PARAFORMAT2 pf;
2583     wxZeroMemory(pf);
2584     // we can't use PARAFORMAT2 with RichEdit 1.0, so pretend it is a simple
2585     // PARAFORMAT in that case
2586 #if wxUSE_RICHEDIT2
2587     if ( m_verRichEdit == 1 )
2588     {
2589         // this is the only thing the control is going to grok
2590         pf.cbSize = sizeof(PARAFORMAT);
2591     }
2592     else
2593 #endif
2594     {
2595         // PARAFORMAT or PARAFORMAT2
2596         pf.cbSize = sizeof(pf);
2597     }
2598
2599     // do format the selection
2600     (void) ::SendMessage(GetHwnd(), EM_GETPARAFORMAT, 0, (LPARAM) &pf) ;
2601
2602     style.SetLeftIndent( (int) ((double) pf.dxStartIndent * twips2mm * 10.0), (int) ((double) pf.dxOffset * twips2mm * 10.0) );
2603     style.SetRightIndent( (int) ((double) pf.dxRightIndent * twips2mm * 10.0) );
2604
2605     if (pf.wAlignment == PFA_CENTER)
2606         style.SetAlignment(wxTEXT_ALIGNMENT_CENTRE);
2607     else if (pf.wAlignment == PFA_RIGHT)
2608         style.SetAlignment(wxTEXT_ALIGNMENT_RIGHT);
2609     else if (pf.wAlignment == PFA_JUSTIFY)
2610         style.SetAlignment(wxTEXT_ALIGNMENT_JUSTIFIED);
2611     else
2612         style.SetAlignment(wxTEXT_ALIGNMENT_LEFT);
2613
2614     wxArrayInt tabStops;
2615     size_t i;
2616     for (i = 0; i < (size_t) pf.cTabCount; i++)
2617     {
2618         tabStops.Add( (int) ((double) (pf.rgxTabs[i] & 0xFFFF) * twips2mm * 10.0) );
2619     }
2620
2621     if ( changeSel )
2622     {
2623         // restore the original selection
2624         DoSetSelection(startOld, endOld, false);
2625     }
2626
2627     return true;
2628 }
2629
2630 #endif
2631
2632 // ----------------------------------------------------------------------------
2633 // wxRichEditModule
2634 // ----------------------------------------------------------------------------
2635
2636 static const HINSTANCE INVALID_HINSTANCE = (HINSTANCE)-1;
2637
2638 bool wxRichEditModule::OnInit()
2639 {
2640     // don't do anything - we will load it when needed
2641     return true;
2642 }
2643
2644 void wxRichEditModule::OnExit()
2645 {
2646     for ( size_t i = 0; i < WXSIZEOF(ms_hRichEdit); i++ )
2647     {
2648         if ( ms_hRichEdit[i] && ms_hRichEdit[i] != INVALID_HINSTANCE )
2649         {
2650             ::FreeLibrary(ms_hRichEdit[i]);
2651             ms_hRichEdit[i] = NULL;
2652         }
2653     }
2654 }
2655
2656 /* static */
2657 bool wxRichEditModule::Load(Version version)
2658 {
2659     if ( ms_hRichEdit[version] == INVALID_HINSTANCE )
2660     {
2661         // we had already tried to load it and failed
2662         return false;
2663     }
2664
2665     if ( ms_hRichEdit[version] )
2666     {
2667         // we've already got this one
2668         return true;
2669     }
2670
2671     static const wxChar *dllnames[] =
2672     {
2673         _T("riched32"),
2674         _T("riched20"),
2675         _T("msftedit"),
2676     };
2677
2678     wxCOMPILE_TIME_ASSERT( WXSIZEOF(dllnames) == Version_Max,
2679                             RichEditDllNamesVersionsMismatch );
2680
2681     ms_hRichEdit[version] = ::LoadLibrary(dllnames[version]);
2682
2683     if ( !ms_hRichEdit[version] )
2684     {
2685         ms_hRichEdit[version] = INVALID_HINSTANCE;
2686
2687         return false;
2688     }
2689
2690     return true;
2691 }
2692
2693 #endif // wxUSE_RICHEDIT
2694
2695 #endif // wxUSE_TEXTCTRL && !(__SMARTPHONE__ && __WXWINCE__)