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                       0, (LPARAM)valueDos.c_str());
 965
 966         if ( !ucf.GotUpdate() )
 967         {
 968             SendUpdateEvent();
 969         }
 970     }
 971 }
 972
 973 void wxTextCtrl::AppendText(const wxString& text)
 974 {
 975     SetInsertionPointEnd();
 976
 977     WriteText(text);
 978
 979 #if wxUSE_RICHEDIT
 980     // don't do this if we're frozen, saves some time
 981     if ( !IsFrozen() && IsMultiLine() && GetRichVersion() > 1 )
 982     {
 983         // setting the caret to the end and showing it simply doesn't work for
 984         // RichEdit 2.0 -- force it to still do what we want
 985         ::SendMessage(GetHwnd(), EM_LINESCROLL, 0, GetNumberOfLines());
 986     }
 987 #endif // wxUSE_RICHEDIT
 988 }
 989
 990 void wxTextCtrl::Clear()
 991 {
 992     ::SetWindowText(GetHwnd(), wxEmptyString);
 993
 994 #if wxUSE_RICHEDIT
 995     if ( !IsRich() )
 996 #endif // wxUSE_RICHEDIT
 997     {
 998         // rich edit controls send EN_UPDATE from WM_SETTEXT handler themselves
 999         // but the normal ones don't -- make Clear() behaviour consistent by
1000         // always sending this event
1001
1002         // Windows already sends an update event for single-line
1003         // controls.
1004         if ( m_windowStyle & wxTE_MULTILINE )
1005             SendUpdateEvent();
1006     }
1007 }
1008
1009 #ifdef __WIN32__
1010
1011 bool wxTextCtrl::EmulateKeyPress(const wxKeyEvent& event)
1012 {
1013     SetFocus();
1014
1015     size_t lenOld = GetValue().length();
1016
1017     wxUint32 code = event.GetRawKeyCode();
1018     ::keybd_event((BYTE)code, 0, 0 /* key press */, 0);
1019     ::keybd_event((BYTE)code, 0, KEYEVENTF_KEYUP, 0);
1020
1021     // assume that any alphanumeric key changes the total number of characters
1022     // in the control - this should work in 99% of cases
1023     return GetValue().length() != lenOld;
1024 }
1025
1026 #endif // __WIN32__
1027
1028 // ----------------------------------------------------------------------------
1029 // Clipboard operations
1030 // ----------------------------------------------------------------------------
1031
1032 void wxTextCtrl::Copy()
1033 {
1034     if (CanCopy())
1035     {
1036         ::SendMessage(GetHwnd(), WM_COPY, 0, 0L);
1037     }
1038 }
1039
1040 void wxTextCtrl::Cut()
1041 {
1042     if (CanCut())
1043     {
1044         ::SendMessage(GetHwnd(), WM_CUT, 0, 0L);
1045     }
1046 }
1047
1048 void wxTextCtrl::Paste()
1049 {
1050     if (CanPaste())
1051     {
1052         ::SendMessage(GetHwnd(), WM_PASTE, 0, 0L);
1053     }
1054 }
1055
1056 bool wxTextCtrl::HasSelection() const
1057 {
1058     long from, to;
1059     GetSelection(&from, &to);
1060     return from != to;
1061 }
1062
1063 bool wxTextCtrl::CanCopy() const
1064 {
1065     // Can copy if there's a selection
1066     return HasSelection();
1067 }
1068
1069 bool wxTextCtrl::CanCut() const
1070 {
1071     return CanCopy() && IsEditable();
1072 }
1073
1074 bool wxTextCtrl::CanPaste() const
1075 {
1076     if ( !IsEditable() )
1077         return false;
1078
1079 #if wxUSE_RICHEDIT
1080     if ( IsRich() )
1081     {
1082         UINT cf = 0; // 0 == any format
1083
1084         return ::SendMessage(GetHwnd(), EM_CANPASTE, cf, 0) != 0;
1085     }
1086 #endif // wxUSE_RICHEDIT
1087
1088     // Standard edit control: check for straight text on clipboard
1089     if ( !::OpenClipboard(GetHwndOf(wxTheApp->GetTopWindow())) )
1090         return false;
1091
1092     bool isTextAvailable = ::IsClipboardFormatAvailable(CF_TEXT) != 0;
1093     ::CloseClipboard();
1094
1095     return isTextAvailable;
1096 }
1097
1098 // ----------------------------------------------------------------------------
1099 // Accessors
1100 // ----------------------------------------------------------------------------
1101
1102 void wxTextCtrl::SetEditable(bool editable)
1103 {
1104     HWND hWnd = GetHwnd();
1105     ::SendMessage(hWnd, EM_SETREADONLY, (WPARAM)!editable, (LPARAM)0L);
1106 }
1107
1108 void wxTextCtrl::SetInsertionPoint(long pos)
1109 {
1110     DoSetSelection(pos, pos);
1111 }
1112
1113 void wxTextCtrl::SetInsertionPointEnd()
1114 {
1115     // we must not do anything if the caret is already there because calling
1116     // SetInsertionPoint() thaws the controls if Freeze() had been called even
1117     // if it doesn't actually move the caret anywhere and so the simple fact of
1118     // doing it results in horrible flicker when appending big amounts of text
1119     // to the control in a few chunks (see DoAddText() test in the text sample)
1120     if ( GetInsertionPoint() == GetLastPosition() )
1121     {
1122         return;
1123     }
1124
1125     long pos;
1126
1127 #if wxUSE_RICHEDIT
1128     if ( m_verRichEdit == 1 )
1129     {
1130         // we don't have to waste time calling GetLastPosition() in this case
1131         pos = -1;
1132     }
1133     else // !RichEdit 1.0
1134 #endif // wxUSE_RICHEDIT
1135     {
1136         pos = GetLastPosition();
1137     }
1138
1139     SetInsertionPoint(pos);
1140 }
1141
1142 long wxTextCtrl::GetInsertionPoint() const
1143 {
1144 #if wxUSE_RICHEDIT
1145     if ( IsRich() )
1146     {
1147         CHARRANGE range;
1148         range.cpMin = 0;
1149         range.cpMax = 0;
1150         ::SendMessage(GetHwnd(), EM_EXGETSEL, 0, (LPARAM) &range);
1151         return range.cpMin;
1152     }
1153 #endif // wxUSE_RICHEDIT
1154
1155     DWORD Pos = (DWORD)::SendMessage(GetHwnd(), EM_GETSEL, 0, 0L);
1156     return Pos & 0xFFFF;
1157 }
1158
1159 wxTextPos wxTextCtrl::GetLastPosition() const
1160 {
1161     int numLines = GetNumberOfLines();
1162     long posStartLastLine = XYToPosition(0, numLines - 1);
1163
1164     long lenLastLine = GetLengthOfLineContainingPos(posStartLastLine);
1165
1166     return posStartLastLine + lenLastLine;
1167 }
1168
1169 // If the return values from and to are the same, there is no
1170 // selection.
1171 void wxTextCtrl::GetSelection(long* from, long* to) const
1172 {
1173 #if wxUSE_RICHEDIT
1174     if ( IsRich() )
1175     {
1176         CHARRANGE charRange;
1177         ::SendMessage(GetHwnd(), EM_EXGETSEL, 0, (LPARAM) &charRange);
1178
1179         *from = charRange.cpMin;
1180         *to = charRange.cpMax;
1181     }
1182     else
1183 #endif // !wxUSE_RICHEDIT
1184     {
1185         DWORD dwStart, dwEnd;
1186         ::SendMessage(GetHwnd(), EM_GETSEL, (WPARAM)&dwStart, (LPARAM)&dwEnd);
1187
1188         *from = dwStart;
1189         *to = dwEnd;
1190     }
1191 }
1192
1193 bool wxTextCtrl::IsEditable() const
1194 {
1195     // strangely enough, we may be called before the control is created: our
1196     // own Create() calls MSWGetStyle() which calls AcceptsFocus() which calls
1197     // us
1198     if ( !m_hWnd )
1199         return true;
1200
1201     long style = ::GetWindowLong(GetHwnd(), GWL_STYLE);
1202
1203     return (style & ES_READONLY) == 0;
1204 }
1205
1206 // ----------------------------------------------------------------------------
1207 // selection
1208 // ----------------------------------------------------------------------------
1209
1210 void wxTextCtrl::SetSelection(long from, long to)
1211 {
1212     // if from and to are both -1, it means (in wxWidgets) that all text should
1213     // be selected - translate into Windows convention
1214     if ( (from == -1) && (to == -1) )
1215     {
1216         from = 0;
1217         to = -1;
1218     }
1219
1220     DoSetSelection(from, to);
1221 }
1222
1223 void wxTextCtrl::DoSetSelection(long from, long to, bool scrollCaret)
1224 {
1225     HWND hWnd = GetHwnd();
1226
1227 #if wxUSE_RICHEDIT
1228     if ( IsRich() )
1229     {
1230         CHARRANGE range;
1231         range.cpMin = from;
1232         range.cpMax = to;
1233         ::SendMessage(hWnd, EM_EXSETSEL, 0, (LPARAM) &range);
1234     }
1235     else
1236 #endif // wxUSE_RICHEDIT
1237     {
1238         ::SendMessage(hWnd, EM_SETSEL, (WPARAM)from, (LPARAM)to);
1239     }
1240
1241     if ( scrollCaret && !IsFrozen() )
1242     {
1243 #if wxUSE_RICHEDIT
1244         // richedit 3.0 (i.e. the version living in riched20.dll distributed
1245         // with Windows 2000 and beyond) doesn't honour EM_SCROLLCARET when
1246         // emulating richedit 2.0 unless the control has focus or ECO_NOHIDESEL
1247         // option is set (but it does work ok in richedit 1.0 mode...)
1248         //
1249         // so to make it work we either need to give focus to it here which
1250         // will probably create many problems (dummy focus events; window
1251         // containing the text control being brought to foreground
1252         // unexpectedly; ...) or to temporarily set ECO_NOHIDESEL which may
1253         // create other problems too -- and in fact it does because if we turn
1254         // on/off this style while appending the text to the control, the
1255         // vertical scrollbar never appears in it even if we append tons of
1256         // text and to work around this the only solution I found was to use
1257         // ES_DISABLENOSCROLL
1258         //
1259         // this is very ugly but I don't see any other way to make this work
1260         if ( GetRichVersion() > 1 )
1261         {
1262             if ( !HasFlag(wxTE_NOHIDESEL) )
1263             {
1264                 ::SendMessage(GetHwnd(), EM_SETOPTIONS,
1265                               ECOOP_OR, ECO_NOHIDESEL);
1266             }
1267             //else: everything is already ok
1268         }
1269 #endif // wxUSE_RICHEDIT
1270
1271         ::SendMessage(hWnd, EM_SCROLLCARET, (WPARAM)0, (LPARAM)0);
1272
1273 #if wxUSE_RICHEDIT
1274         // restore ECO_NOHIDESEL if we changed it
1275         if ( GetRichVersion() > 1 && !HasFlag(wxTE_NOHIDESEL) )
1276         {
1277             ::SendMessage(GetHwnd(), EM_SETOPTIONS,
1278                           ECOOP_AND, ~ECO_NOHIDESEL);
1279         }
1280 #endif // wxUSE_RICHEDIT
1281     }
1282 }
1283
1284 // ----------------------------------------------------------------------------
1285 // Working with files
1286 // ----------------------------------------------------------------------------
1287
1288 bool wxTextCtrl::LoadFile(const wxString& file)
1289 {
1290     if ( wxTextCtrlBase::LoadFile(file) )
1291     {
1292         // update the size limit if needed
1293         AdjustSpaceLimit();
1294
1295         return true;
1296     }
1297
1298     return false;
1299 }
1300
1301 // ----------------------------------------------------------------------------
1302 // Editing
1303 // ----------------------------------------------------------------------------
1304
1305 void wxTextCtrl::Replace(long from, long to, const wxString& value)
1306 {
1307     // Set selection and remove it
1308     DoSetSelection(from, to, false /* don't scroll caret into view */);
1309
1310     DoWriteText(value, true /* selection only */);
1311 }
1312
1313 void wxTextCtrl::Remove(long from, long to)
1314 {
1315     Replace(from, to, wxEmptyString);
1316 }
1317
1318 bool wxTextCtrl::IsModified() const
1319 {
1320     return ::SendMessage(GetHwnd(), EM_GETMODIFY, 0, 0) != 0;
1321 }
1322
1323 void wxTextCtrl::MarkDirty()
1324 {
1325     ::SendMessage(GetHwnd(), EM_SETMODIFY, TRUE, 0L);
1326 }
1327
1328 void wxTextCtrl::DiscardEdits()
1329 {
1330     ::SendMessage(GetHwnd(), EM_SETMODIFY, FALSE, 0L);
1331 }
1332
1333 int wxTextCtrl::GetNumberOfLines() const
1334 {
1335     return (int)::SendMessage(GetHwnd(), EM_GETLINECOUNT, (WPARAM)0, (LPARAM)0);
1336 }
1337
1338 // ----------------------------------------------------------------------------
1339 // Positions <-> coords
1340 // ----------------------------------------------------------------------------
1341
1342 long wxTextCtrl::XYToPosition(long x, long y) const
1343 {
1344     // This gets the char index for the _beginning_ of this line
1345     long charIndex = ::SendMessage(GetHwnd(), EM_LINEINDEX, (WPARAM)y, (LPARAM)0);
1346
1347     return charIndex + x;
1348 }
1349
1350 bool wxTextCtrl::PositionToXY(long pos, long *x, long *y) const
1351 {
1352     HWND hWnd = GetHwnd();
1353
1354     // This gets the line number containing the character
1355     long lineNo;
1356 #if wxUSE_RICHEDIT
1357     if ( IsRich() )
1358     {
1359         lineNo = ::SendMessage(hWnd, EM_EXLINEFROMCHAR, 0, (LPARAM)pos);
1360     }
1361     else
1362 #endif // wxUSE_RICHEDIT
1363     {
1364         lineNo = ::SendMessage(hWnd, EM_LINEFROMCHAR, (WPARAM)pos, 0);
1365     }
1366
1367     if ( lineNo == -1 )
1368     {
1369         // no such line
1370         return false;
1371     }
1372
1373     // This gets the char index for the _beginning_ of this line
1374     long charIndex = ::SendMessage(hWnd, EM_LINEINDEX, (WPARAM)lineNo, (LPARAM)0);
1375     if ( charIndex == -1 )
1376     {
1377         return false;
1378     }
1379
1380     // The X position must therefore be the different between pos and charIndex
1381     if ( x )
1382         *x = pos - charIndex;
1383     if ( y )
1384         *y = lineNo;
1385
1386     return true;
1387 }
1388
1389 wxTextCtrlHitTestResult
1390 wxTextCtrl::HitTest(const wxPoint& pt, long *posOut) const
1391 {
1392     // first get the position from Windows
1393     LPARAM lParam;
1394
1395 #if wxUSE_RICHEDIT
1396     POINTL ptl;
1397     if ( IsRich() )
1398     {
1399         // for rich edit controls the position is passed iva the struct fields
1400         ptl.x = pt.x;
1401         ptl.y = pt.y;
1402         lParam = (LPARAM)&ptl;
1403     }
1404     else
1405 #endif // wxUSE_RICHEDIT
1406     {
1407         // for the plain ones, we are limited to 16 bit positions which are
1408         // combined in a single 32 bit value
1409         lParam = MAKELPARAM(pt.x, pt.y);
1410     }
1411
1412     LRESULT pos = ::SendMessage(GetHwnd(), EM_CHARFROMPOS, 0, lParam);
1413
1414     if ( pos == -1 )
1415     {
1416         // this seems to indicate an error...
1417         return wxTE_HT_UNKNOWN;
1418     }
1419
1420 #if wxUSE_RICHEDIT
1421     if ( !IsRich() )
1422 #endif // wxUSE_RICHEDIT
1423     {
1424         // for plain EDIT controls the higher word contains something else
1425         pos = LOWORD(pos);
1426     }
1427
1428
1429     // next determine where it is relatively to our point: EM_CHARFROMPOS
1430     // always returns the closest character but we need to be more precise, so
1431     // double check that we really are where it pretends
1432     POINTL ptReal;
1433
1434 #if wxUSE_RICHEDIT
1435     // FIXME: we need to distinguish between richedit 2 and 3 here somehow but
1436     //        we don't know how to do it
1437     if ( IsRich() )
1438     {
1439         ::SendMessage(GetHwnd(), EM_POSFROMCHAR, (WPARAM)&ptReal, pos);
1440     }
1441     else
1442 #endif // wxUSE_RICHEDIT
1443     {
1444         LRESULT lRc = ::SendMessage(GetHwnd(), EM_POSFROMCHAR, pos, 0);
1445
1446         if ( lRc == -1 )
1447         {
1448             // this is apparently returned when pos corresponds to the last
1449             // position
1450             ptReal.x =
1451             ptReal.y = 0;
1452         }
1453         else
1454         {
1455             ptReal.x = LOWORD(lRc);
1456             ptReal.y = HIWORD(lRc);
1457         }
1458     }
1459
1460     wxTextCtrlHitTestResult rc;
1461
1462     if ( pt.y > ptReal.y + GetCharHeight() )
1463         rc = wxTE_HT_BELOW;
1464     else if ( pt.x > ptReal.x + GetCharWidth() )
1465         rc = wxTE_HT_BEYOND;
1466     else
1467         rc = wxTE_HT_ON_TEXT;
1468
1469     if ( posOut )
1470         *posOut = pos;
1471
1472     return rc;
1473 }
1474
1475 // ----------------------------------------------------------------------------
1476 //
1477 // ----------------------------------------------------------------------------
1478
1479 void wxTextCtrl::ShowPosition(long pos)
1480 {
1481     HWND hWnd = GetHwnd();
1482
1483     // To scroll to a position, we pass the number of lines and characters
1484     // to scroll *by*. This means that we need to:
1485     // (1) Find the line position of the current line.
1486     // (2) Find the line position of pos.
1487     // (3) Scroll by (pos - current).
1488     // For now, ignore the horizontal scrolling.
1489
1490     // Is this where scrolling is relative to - the line containing the caret?
1491     // Or is the first visible line??? Try first visible line.
1492 //    int currentLineLineNo1 = (int)::SendMessage(hWnd, EM_LINEFROMCHAR, (WPARAM)-1, (LPARAM)0L);
1493
1494     int currentLineLineNo = (int)::SendMessage(hWnd, EM_GETFIRSTVISIBLELINE, (WPARAM)0, (LPARAM)0L);
1495
1496     int specifiedLineLineNo = (int)::SendMessage(hWnd, EM_LINEFROMCHAR, (WPARAM)pos, (LPARAM)0L);
1497
1498     int linesToScroll = specifiedLineLineNo - currentLineLineNo;
1499
1500     if (linesToScroll != 0)
1501       (void)::SendMessage(hWnd, EM_LINESCROLL, (WPARAM)0, (LPARAM)linesToScroll);
1502 }
1503
1504 long wxTextCtrl::GetLengthOfLineContainingPos(long pos) const
1505 {
1506     return ::SendMessage(GetHwnd(), EM_LINELENGTH, (WPARAM)pos, 0);
1507 }
1508
1509 int wxTextCtrl::GetLineLength(long lineNo) const
1510 {
1511     long pos = XYToPosition(0, lineNo);
1512
1513     return GetLengthOfLineContainingPos(pos);
1514 }
1515
1516 wxString wxTextCtrl::GetLineText(long lineNo) const
1517 {
1518     size_t len = (size_t)GetLineLength(lineNo) + 1;
1519
1520     // there must be at least enough place for the length WORD in the
1521     // buffer
1522     len += sizeof(WORD);
1523
1524     wxString str;
1525     {
1526         wxStringBufferLength tmp(str, len);
1527         wxChar *buf = tmp;
1528
1529         *(WORD *)buf = (WORD)len;
1530         len = (size_t)::SendMessage(GetHwnd(), EM_GETLINE, lineNo, (LPARAM)buf);
1531
1532 #if wxUSE_RICHEDIT
1533         if ( IsRich() )
1534         {
1535             // remove the '\r' returned by the rich edit control, the user code
1536             // should never see it
1537             if ( buf[len - 2] == _T('\r') && buf[len - 1] == _T('\n') )
1538             {
1539                 buf[len - 2] = _T('\n');
1540                 len--;
1541             }
1542         }
1543 #endif // wxUSE_RICHEDIT
1544
1545         // remove the '\n' at the end, if any (this is how this function is
1546         // supposed to work according to the docs)
1547         if ( buf[len - 1] == _T('\n') )
1548         {
1549             len--;
1550         }
1551
1552         buf[len] = 0;
1553         tmp.SetLength(len);
1554     }
1555
1556     return str;
1557 }
1558
1559 void wxTextCtrl::SetMaxLength(unsigned long len)
1560 {
1561 #if wxUSE_RICHEDIT
1562     if ( IsRich() )
1563     {
1564         ::SendMessage(GetHwnd(), EM_EXLIMITTEXT, 0, len ? len : 0x7fffffff);
1565     }
1566     else
1567 #endif // wxUSE_RICHEDIT
1568     {
1569         if ( len >= 0xffff )
1570         {
1571             // this will set it to a platform-dependent maximum (much more
1572             // than 64Kb under NT)
1573             len = 0;
1574         }
1575
1576         ::SendMessage(GetHwnd(), EM_LIMITTEXT, len, 0);
1577     }
1578 }
1579
1580 // ----------------------------------------------------------------------------
1581 // Undo/redo
1582 // ----------------------------------------------------------------------------
1583
1584 void wxTextCtrl::Undo()
1585 {
1586     if (CanUndo())
1587     {
1588         ::SendMessage(GetHwnd(), EM_UNDO, 0, 0);
1589     }
1590 }
1591
1592 void wxTextCtrl::Redo()
1593 {
1594     if (CanRedo())
1595     {
1596 #if wxUSE_RICHEDIT
1597         if (GetRichVersion() > 1)
1598             ::SendMessage(GetHwnd(), EM_REDO, 0, 0);
1599         else
1600 #endif
1601         // Same as Undo, since Undo undoes the undo, i.e. a redo.
1602         ::SendMessage(GetHwnd(), EM_UNDO, 0, 0);
1603     }
1604 }
1605
1606 bool wxTextCtrl::CanUndo() const
1607 {
1608     return ::SendMessage(GetHwnd(), EM_CANUNDO, 0, 0) != 0;
1609 }
1610
1611 bool wxTextCtrl::CanRedo() const
1612 {
1613 #if wxUSE_RICHEDIT
1614     if (GetRichVersion() > 1)
1615         return ::SendMessage(GetHwnd(), EM_CANREDO, 0, 0) != 0;
1616     else
1617 #endif
1618     return ::SendMessage(GetHwnd(), EM_CANUNDO, 0, 0) != 0;
1619 }
1620
1621 // ----------------------------------------------------------------------------
1622 // caret handling (Windows only)
1623 // ----------------------------------------------------------------------------
1624
1625 bool wxTextCtrl::ShowNativeCaret(bool show)
1626 {
1627     if ( show != m_isNativeCaretShown )
1628     {
1629         if ( !(show ? ::ShowCaret(GetHwnd()) : ::HideCaret(GetHwnd())) )
1630         {
1631             // not an error, may simply indicate that it's not shown/hidden
1632             // yet (i.e. it had been hidden/showh 2 times before)
1633             return false;
1634         }
1635
1636         m_isNativeCaretShown = show;
1637     }
1638
1639     return true;
1640 }
1641
1642 // ----------------------------------------------------------------------------
1643 // implemenation details
1644 // ----------------------------------------------------------------------------
1645
1646 void wxTextCtrl::Command(wxCommandEvent & event)
1647 {
1648     SetValue(event.GetString());
1649     ProcessCommand (event);
1650 }
1651
1652 void wxTextCtrl::OnDropFiles(wxDropFilesEvent& event)
1653 {
1654     // By default, load the first file into the text window.
1655     if (event.GetNumberOfFiles() > 0)
1656     {
1657         LoadFile(event.GetFiles()[0]);
1658     }
1659 }
1660
1661 // ----------------------------------------------------------------------------
1662 // kbd input processing
1663 // ----------------------------------------------------------------------------
1664
1665 bool wxTextCtrl::MSWShouldPreProcessMessage(WXMSG* pMsg)
1666 {
1667     MSG *msg = (MSG *)pMsg;
1668
1669     // check for our special keys here: if we don't do it and the parent frame
1670     // uses them as accelerators, they wouldn't work at all, so we disable
1671     // usual preprocessing for them
1672     if ( msg->message == WM_KEYDOWN )
1673     {
1674         WORD vkey = (WORD) msg->wParam;
1675         if ( (HIWORD(msg->lParam) & KF_ALTDOWN) == KF_ALTDOWN )
1676         {
1677             if ( vkey == VK_BACK )
1678                 return false;
1679         }
1680         else // no Alt
1681         {
1682             // we want to process some Ctrl-foo and Shift-bar but no key
1683             // combinations without either Ctrl or Shift nor with both of them
1684             // pressed
1685             const int ctrl = wxIsCtrlDown(),
1686                       shift = wxIsShiftDown();
1687             switch ( ctrl + shift )
1688             {
1689                 default:
1690                     wxFAIL_MSG( _T("how many modifiers have we got?") );
1691                     // fall through
1692
1693                 case 0:
1694                 case 2:
1695                     break;
1696
1697                 case 1:
1698                     // either Ctrl or Shift pressed
1699                     if ( ctrl )
1700                     {
1701                         switch ( vkey )
1702                         {
1703                             case 'C':
1704                             case 'V':
1705                             case 'X':
1706                             case VK_INSERT:
1707                             case VK_DELETE:
1708                             case VK_HOME:
1709                             case VK_END:
1710                                 return false;
1711                         }
1712                     }
1713                     else // Shift is pressed
1714                     {
1715                         if ( vkey == VK_INSERT || vkey == VK_DELETE )
1716                             return false;
1717                     }
1718             }
1719         }
1720     }
1721
1722     return wxControl::MSWShouldPreProcessMessage(pMsg);
1723 }
1724
1725 void wxTextCtrl::OnChar(wxKeyEvent& event)
1726 {
1727     switch ( event.GetKeyCode() )
1728     {
1729         case WXK_RETURN:
1730             if ( !HasFlag(wxTE_MULTILINE) )
1731             {
1732                 wxCommandEvent event(wxEVT_COMMAND_TEXT_ENTER, m_windowId);
1733                 InitCommandEvent(event);
1734                 event.SetString(GetValue());
1735                 if ( GetEventHandler()->ProcessEvent(event) )
1736                     return;
1737             }
1738             //else: multiline controls need Enter for themselves
1739
1740             break;
1741
1742         case WXK_TAB:
1743             // ok, so this is getting absolutely ridiculous but I don't see
1744             // any other way to fix this bug: when a multiline text control is
1745             // inside a wxFrame, we need to generate the navigation event as
1746             // otherwise nothing happens at all, but when the same control is
1747             // created inside a dialog, IsDialogMessage() *does* switch focus
1748             // all by itself and so if we do it here as well, it is advanced
1749             // twice and goes to the next control... to prevent this from
1750             // happening we're doing this ugly check, the logic being that if
1751             // we don't have focus then it had been already changed to the next
1752             // control
1753             //
1754             // the right thing to do would, of course, be to understand what
1755             // the hell is IsDialogMessage() doing but this is beyond my feeble
1756             // forces at the moment unfortunately
1757             if ( !(m_windowStyle & wxTE_PROCESS_TAB))
1758             {
1759                 if ( FindFocus() == this )
1760                 {
1761                     int flags = 0;
1762                     if (!event.ShiftDown())
1763                         flags |= wxNavigationKeyEvent::IsForward ;
1764                     if (event.ControlDown())
1765                         flags |= wxNavigationKeyEvent::WinChange ;
1766                     if (Navigate(flags))
1767                         return;
1768                 }
1769             }
1770             else
1771             {
1772                 // Insert tab since calling the default Windows handler
1773                 // doesn't seem to do it
1774                 WriteText(wxT("\t"));
1775                 return;
1776             }
1777             break;
1778     }
1779
1780     // no, we didn't process it
1781     event.Skip();
1782 }
1783
1784 WXLRESULT wxTextCtrl::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam)
1785 {
1786     WXLRESULT lRc = wxTextCtrlBase::MSWWindowProc(nMsg, wParam, lParam);
1787
1788     if ( nMsg == WM_GETDLGCODE )
1789     {
1790         // we always want the chars and the arrows: the arrows for navigation
1791         // and the chars because we want Ctrl-C to work even in a read only
1792         // control
1793         long lDlgCode = DLGC_WANTCHARS | DLGC_WANTARROWS;
1794
1795         if ( IsEditable() )
1796         {
1797             // we may have several different cases:
1798             // 1. normal case: both TAB and ENTER are used for dlg navigation
1799             // 2. ctrl which wants TAB for itself: ENTER is used to pass to the
1800             //    next control in the dialog
1801             // 3. ctrl which wants ENTER for itself: TAB is used for dialog
1802             //    navigation
1803             // 4. ctrl which wants both TAB and ENTER: Ctrl-ENTER is used to go
1804             //    to the next control
1805
1806             // the multiline edit control should always get <Return> for itself
1807             if ( HasFlag(wxTE_PROCESS_ENTER) || HasFlag(wxTE_MULTILINE) )
1808                 lDlgCode |= DLGC_WANTMESSAGE;
1809
1810             if ( HasFlag(wxTE_PROCESS_TAB) )
1811                 lDlgCode |= DLGC_WANTTAB;
1812
1813             lRc |= lDlgCode;
1814         }
1815         else // !editable
1816         {
1817             // NB: use "=", not "|=" as the base class version returns the
1818             //     same flags is this state as usual (i.e. including
1819             //     DLGC_WANTMESSAGE). This is strange (how does it work in the
1820             //     native Win32 apps?) but for now live with it.
1821             lRc = lDlgCode;
1822         }
1823     }
1824
1825     return lRc;
1826 }
1827
1828 // ----------------------------------------------------------------------------
1829 // text control event processing
1830 // ----------------------------------------------------------------------------
1831
1832 bool wxTextCtrl::SendUpdateEvent()
1833 {
1834     switch ( m_updatesCount )
1835     {
1836         case 0:
1837             // remember that we've got an update
1838             m_updatesCount++;
1839             break;
1840
1841         case 1:
1842             // we had already sent one event since the last control modification
1843             return false;
1844
1845         default:
1846             wxFAIL_MSG( _T("unexpected wxTextCtrl::m_updatesCount value") );
1847             // fall through
1848
1849         case -1:
1850             // we hadn't updated the control ourselves, this event comes from
1851             // the user, don't need to ignore it nor update the count
1852             break;
1853     }
1854
1855     wxCommandEvent event(wxEVT_COMMAND_TEXT_UPDATED, GetId());
1856     InitCommandEvent(event);
1857
1858     return ProcessCommand(event);
1859 }
1860
1861 bool wxTextCtrl::MSWCommand(WXUINT param, WXWORD WXUNUSED(id))
1862 {
1863     switch ( param )
1864     {
1865         case EN_SETFOCUS:
1866         case EN_KILLFOCUS:
1867             {
1868                 wxFocusEvent event(param == EN_KILLFOCUS ? wxEVT_KILL_FOCUS
1869                                                          : wxEVT_SET_FOCUS,
1870                                    m_windowId);
1871                 event.SetEventObject(this);
1872                 GetEventHandler()->ProcessEvent(event);
1873             }
1874             break;
1875
1876         case EN_CHANGE:
1877             SendUpdateEvent();
1878             break;
1879
1880         case EN_MAXTEXT:
1881             // the text size limit has been hit -- try to increase it
1882             if ( !AdjustSpaceLimit() )
1883             {
1884                 wxCommandEvent event(wxEVT_COMMAND_TEXT_MAXLEN, m_windowId);
1885                 InitCommandEvent(event);
1886                 event.SetString(GetValue());
1887                 ProcessCommand(event);
1888             }
1889             break;
1890
1891             // the other edit notification messages are not processed
1892         default:
1893             return false;
1894     }
1895
1896     // processed
1897     return true;
1898 }
1899
1900 WXHBRUSH wxTextCtrl::MSWControlColor(WXHDC hDC, WXHWND hWnd)
1901 {
1902     if ( !IsEnabled() && !HasFlag(wxTE_MULTILINE) )
1903         return MSWControlColorDisabled(hDC);
1904
1905     return wxTextCtrlBase::MSWControlColor(hDC, hWnd);
1906 }
1907
1908 bool wxTextCtrl::HasSpaceLimit(unsigned int *len) const
1909 {
1910     // HACK: we try to automatically extend the limit for the amount of text
1911     //       to allow (interactively) entering more than 64Kb of text under
1912     //       Win9x but we shouldn't reset the text limit which was previously
1913     //       set explicitly with SetMaxLength()
1914     //
1915     //       Unfortunately there is no EM_GETLIMITTEXTSETBYUSER and so we don't
1916     //       know the limit we set (if any). We could solve this by storing the
1917     //       limit we set in wxTextCtrl but to save space we prefer to simply
1918     //       test here the actual limit value: we consider that SetMaxLength()
1919     //       can only be called for small values while EN_MAXTEXT is only sent
1920     //       for large values (in practice the default limit seems to be 30000
1921     //       but make it smaller just to be on the safe side)
1922     *len = ::SendMessage(GetHwnd(), EM_GETLIMITTEXT, 0, 0);
1923     return *len < 10001;
1924
1925 }
1926
1927 bool wxTextCtrl::AdjustSpaceLimit()
1928 {
1929     unsigned int limit;
1930     if ( HasSpaceLimit(&limit) )
1931         return false;
1932
1933     unsigned int len = ::GetWindowTextLength(GetHwnd());
1934     if ( len >= limit )
1935     {
1936         // increment in 32Kb chunks
1937         SetMaxLength(len + 0x8000);
1938     }
1939
1940     // we changed the limit
1941     return true;
1942 }
1943
1944 bool wxTextCtrl::AcceptsFocus() const
1945 {
1946     // we don't want focus if we can't be edited unless we're a multiline
1947     // control because then it might be still nice to get focus from keyboard
1948     // to be able to scroll it without mouse
1949     return (IsEditable() || IsMultiLine()) && wxControl::AcceptsFocus();
1950 }
1951
1952 wxSize wxTextCtrl::DoGetBestSize() const
1953 {
1954     int cx, cy;
1955     wxGetCharSize(GetHWND(), &cx, &cy, GetFont());
1956
1957     int wText = DEFAULT_ITEM_WIDTH;
1958
1959     int hText = cy;
1960     if ( m_windowStyle & wxTE_MULTILINE )
1961     {
1962         hText *= wxMax(wxMin(GetNumberOfLines(), 10), 2);
1963     }
1964     //else: for single line control everything is ok
1965
1966     // we have to add the adjustments for the control height only once, not
1967     // once per line, so do it after multiplication above
1968     hText += EDIT_HEIGHT_FROM_CHAR_HEIGHT(cy) - cy;
1969
1970     return wxSize(wText, hText);
1971 }
1972
1973 // ----------------------------------------------------------------------------
1974 // standard handlers for standard edit menu events
1975 // ----------------------------------------------------------------------------
1976
1977 void wxTextCtrl::OnCut(wxCommandEvent& WXUNUSED(event))
1978 {
1979     Cut();
1980 }
1981
1982 void wxTextCtrl::OnCopy(wxCommandEvent& WXUNUSED(event))
1983 {
1984     Copy();
1985 }
1986
1987 void wxTextCtrl::OnPaste(wxCommandEvent& WXUNUSED(event))
1988 {
1989     Paste();
1990 }
1991
1992 void wxTextCtrl::OnUndo(wxCommandEvent& WXUNUSED(event))
1993 {
1994     Undo();
1995 }
1996
1997 void wxTextCtrl::OnRedo(wxCommandEvent& WXUNUSED(event))
1998 {
1999     Redo();
2000 }
2001
2002 void wxTextCtrl::OnDelete(wxCommandEvent& WXUNUSED(event))
2003 {
2004     long from, to;
2005     GetSelection(& from, & to);
2006     if (from != -1 && to != -1)
2007         Remove(from, to);
2008 }
2009
2010 void wxTextCtrl::OnSelectAll(wxCommandEvent& WXUNUSED(event))
2011 {
2012     SetSelection(-1, -1);
2013 }
2014
2015 void wxTextCtrl::OnUpdateCut(wxUpdateUIEvent& event)
2016 {
2017     event.Enable( CanCut() );
2018 }
2019
2020 void wxTextCtrl::OnUpdateCopy(wxUpdateUIEvent& event)
2021 {
2022     event.Enable( CanCopy() );
2023 }
2024
2025 void wxTextCtrl::OnUpdatePaste(wxUpdateUIEvent& event)
2026 {
2027     event.Enable( CanPaste() );
2028 }
2029
2030 void wxTextCtrl::OnUpdateUndo(wxUpdateUIEvent& event)
2031 {
2032     event.Enable( CanUndo() );
2033 }
2034
2035 void wxTextCtrl::OnUpdateRedo(wxUpdateUIEvent& event)
2036 {
2037     event.Enable( CanRedo() );
2038 }
2039
2040 void wxTextCtrl::OnUpdateDelete(wxUpdateUIEvent& event)
2041 {
2042     long from, to;
2043     GetSelection(& from, & to);
2044     event.Enable(from != -1 && to != -1 && from != to && IsEditable()) ;
2045 }
2046
2047 void wxTextCtrl::OnUpdateSelectAll(wxUpdateUIEvent& event)
2048 {
2049     event.Enable(GetLastPosition() > 0);
2050 }
2051
2052 void wxTextCtrl::OnContextMenu(wxContextMenuEvent& event)
2053 {
2054 #if wxUSE_RICHEDIT
2055     if (IsRich())
2056     {
2057         if (!m_privateContextMenu)
2058         {
2059             m_privateContextMenu = new wxMenu;
2060             m_privateContextMenu->Append(wxID_UNDO, _("&Undo"));
2061             m_privateContextMenu->Append(wxID_REDO, _("&Redo"));
2062             m_privateContextMenu->AppendSeparator();
2063             m_privateContextMenu->Append(wxID_CUT, _("Cu&t"));
2064             m_privateContextMenu->Append(wxID_COPY, _("&Copy"));
2065             m_privateContextMenu->Append(wxID_PASTE, _("&Paste"));
2066             m_privateContextMenu->Append(wxID_CLEAR, _("&Delete"));
2067             m_privateContextMenu->AppendSeparator();
2068             m_privateContextMenu->Append(wxID_SELECTALL, _("Select &All"));
2069         }
2070         PopupMenu(m_privateContextMenu);
2071         return;
2072     }
2073     else
2074 #endif
2075     event.Skip();
2076 }
2077
2078 void wxTextCtrl::OnSetFocus(wxFocusEvent& WXUNUSED(event))
2079 {
2080     // be sure the caret remains invisible if the user had hidden it
2081     if ( !m_isNativeCaretShown )
2082     {
2083         ::HideCaret(GetHwnd());
2084     }
2085 }
2086
2087 // ----------------------------------------------------------------------------
2088 // Default colors for MSW text control
2089 //
2090 // Set default background color to the native white instead of
2091 // the default wxSYS_COLOUR_BTNFACE (is triggered with wxNullColour).
2092 // ----------------------------------------------------------------------------
2093
2094 wxVisualAttributes wxTextCtrl::GetDefaultAttributes() const
2095 {
2096     wxVisualAttributes attrs;
2097     attrs.font = wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT);
2098     attrs.colFg = wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOWTEXT);
2099     attrs.colBg = wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW); //white
2100
2101     return attrs;
2102 }
2103
2104 // the rest of the file only deals with the rich edit controls
2105 #if wxUSE_RICHEDIT
2106
2107 // ----------------------------------------------------------------------------
2108 // EN_LINK processing
2109 // ----------------------------------------------------------------------------
2110
2111 bool wxTextCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
2112 {
2113     NMHDR *hdr = (NMHDR* )lParam;
2114     switch ( hdr->code )
2115     {
2116        case EN_MSGFILTER:
2117             {
2118                 const MSGFILTER *msgf = (MSGFILTER *)lParam;
2119                 UINT msg = msgf->msg;
2120
2121                 // this is a bit crazy but richedit 1.0 sends us all mouse
2122                 // events _except_ WM_LBUTTONUP (don't ask me why) so we have
2123                 // generate the wxWin events for this message manually
2124                 //
2125                 // NB: in fact, this is still not totally correct as it does
2126                 //     send us WM_LBUTTONUP if the selection was cleared by the
2127                 //     last click -- so currently we get 2 events in this case,
2128                 //     but as I don't see any obvious way to check for this I
2129                 //     leave this code in place because it's still better than
2130                 //     not getting left up events at all
2131                 if ( msg == WM_LBUTTONUP )
2132                 {
2133                     WXUINT flags = msgf->wParam;
2134                     int x = GET_X_LPARAM(msgf->lParam),
2135                         y = GET_Y_LPARAM(msgf->lParam);
2136
2137                     HandleMouseEvent(msg, x, y, flags);
2138                 }
2139             }
2140
2141             // return true to process the event (and false to ignore it)
2142             return true;
2143
2144         case EN_LINK:
2145             {
2146                 const ENLINK *enlink = (ENLINK *)hdr;
2147
2148                 switch ( enlink->msg )
2149                 {
2150                     case WM_SETCURSOR:
2151                         // ok, so it is hardcoded - do we really nee to
2152                         // customize it?
2153                         {
2154                             wxCursor cur(wxCURSOR_HAND);
2155                             ::SetCursor(GetHcursorOf(cur));
2156                             *result = TRUE;
2157                             break;
2158                         }
2159
2160                     case WM_MOUSEMOVE:
2161                     case WM_LBUTTONDOWN:
2162                     case WM_LBUTTONUP:
2163                     case WM_LBUTTONDBLCLK:
2164                     case WM_RBUTTONDOWN:
2165                     case WM_RBUTTONUP:
2166                     case WM_RBUTTONDBLCLK:
2167                         // send a mouse event
2168                         {
2169                             static const wxEventType eventsMouse[] =
2170                             {
2171                                 wxEVT_MOTION,
2172                                 wxEVT_LEFT_DOWN,
2173                                 wxEVT_LEFT_UP,
2174                                 wxEVT_LEFT_DCLICK,
2175                                 wxEVT_RIGHT_DOWN,
2176                                 wxEVT_RIGHT_UP,
2177                                 wxEVT_RIGHT_DCLICK,
2178                             };
2179
2180                             // the event ids are consecutive
2181                             wxMouseEvent
2182                                 evtMouse(eventsMouse[enlink->msg - WM_MOUSEMOVE]);
2183
2184                             InitMouseEvent(evtMouse,
2185                                            GET_X_LPARAM(enlink->lParam),
2186                                            GET_Y_LPARAM(enlink->lParam),
2187                                            enlink->wParam);
2188
2189                             wxTextUrlEvent event(m_windowId, evtMouse,
2190                                                  enlink->chrg.cpMin,
2191                                                  enlink->chrg.cpMax);
2192
2193                             InitCommandEvent(event);
2194
2195                             *result = ProcessCommand(event);
2196                         }
2197                         break;
2198                 }
2199             }
2200             return true;
2201     }
2202
2203     // not processed, leave it to the base class
2204     return wxTextCtrlBase::MSWOnNotify(idCtrl, lParam, result);
2205 }
2206
2207 // ----------------------------------------------------------------------------
2208 // colour setting for the rich edit controls
2209 // ----------------------------------------------------------------------------
2210
2211 bool wxTextCtrl::SetBackgroundColour(const wxColour& colour)
2212 {
2213     if ( !wxTextCtrlBase::SetBackgroundColour(colour) )
2214     {
2215         // colour didn't really change
2216         return false;
2217     }
2218
2219     if ( IsRich() )
2220     {
2221         // rich edit doesn't use WM_CTLCOLOR, hence we need to send
2222         // EM_SETBKGNDCOLOR additionally
2223         ::SendMessage(GetHwnd(), EM_SETBKGNDCOLOR, 0, wxColourToRGB(colour));
2224     }
2225
2226     return true;
2227 }
2228
2229 bool wxTextCtrl::SetForegroundColour(const wxColour& colour)
2230 {
2231     if ( !wxTextCtrlBase::SetForegroundColour(colour) )
2232     {
2233         // colour didn't really change
2234         return false;
2235     }
2236
2237     if ( IsRich() )
2238     {
2239         // change the colour of everything
2240         CHARFORMAT cf;
2241         wxZeroMemory(cf);
2242         cf.cbSize = sizeof(cf);
2243         cf.dwMask = CFM_COLOR;
2244         cf.crTextColor = wxColourToRGB(colour);
2245         ::SendMessage(GetHwnd(), EM_SETCHARFORMAT, SCF_ALL, (LPARAM)&cf);
2246     }
2247
2248     return true;
2249 }
2250
2251 // ----------------------------------------------------------------------------
2252 // styling support for rich edit controls
2253 // ----------------------------------------------------------------------------
2254
2255 #if wxUSE_RICHEDIT
2256
2257 bool wxTextCtrl::SetStyle(long start, long end, const wxTextAttr& style)
2258 {
2259     if ( !IsRich() )
2260     {
2261         // can't do it with normal text control
2262         return false;
2263     }
2264
2265     // the richedit 1.0 doesn't handle setting background colour, so don't
2266     // even try to do anything if it's the only thing we want to change
2267     if ( m_verRichEdit == 1 && !style.HasFont() && !style.HasTextColour() &&
2268         !style.HasLeftIndent() && !style.HasRightIndent() && !style.HasAlignment() &&
2269         !style.HasTabs() )
2270     {
2271         // nothing to do: return true if there was really nothing to do and
2272         // false if we failed to set bg colour
2273         return !style.HasBackgroundColour();
2274     }
2275
2276     // order the range if needed
2277     if ( start > end )
2278     {
2279         long tmp = start;
2280         start = end;
2281         end = tmp;
2282     }
2283
2284     // we can only change the format of the selection, so select the range we
2285     // want and restore the old selection later
2286     long startOld, endOld;
2287     GetSelection(&startOld, &endOld);
2288
2289     // but do we really have to change the selection?
2290     bool changeSel = start != startOld || end != endOld;
2291
2292     if ( changeSel )
2293     {
2294         DoSetSelection(start, end, false /* don't scroll caret into view */);
2295     }
2296
2297     // initialize CHARFORMAT struct
2298 #if wxUSE_RICHEDIT2
2299     CHARFORMAT2 cf;
2300 #else
2301     CHARFORMAT cf;
2302 #endif
2303
2304     wxZeroMemory(cf);
2305
2306     // we can't use CHARFORMAT2 with RichEdit 1.0, so pretend it is a simple
2307     // CHARFORMAT in that case
2308 #if wxUSE_RICHEDIT2
2309     if ( m_verRichEdit == 1 )
2310     {
2311         // this is the only thing the control is going to grok
2312         cf.cbSize = sizeof(CHARFORMAT);
2313     }
2314     else
2315 #endif
2316     {
2317         // CHARFORMAT or CHARFORMAT2
2318         cf.cbSize = sizeof(cf);
2319     }
2320
2321     if ( style.HasFont() )
2322     {
2323         // VZ: CFM_CHARSET doesn't seem to do anything at all in RichEdit 2.0
2324         //     but using it doesn't seem to hurt neither so leaving it for now
2325
2326         cf.dwMask |= CFM_FACE | CFM_SIZE | CFM_CHARSET |
2327                      CFM_ITALIC | CFM_BOLD | CFM_UNDERLINE;
2328
2329         // fill in data from LOGFONT but recalculate lfHeight because we need
2330         // the real height in twips and not the negative number which
2331         // wxFillLogFont() returns (this is correct in general and works with
2332         // the Windows font mapper, but not here)
2333         LOGFONT lf;
2334         wxFillLogFont(&lf, &style.GetFont());
2335         cf.yHeight = 20*style.GetFont().GetPointSize(); // 1 pt = 20 twips
2336         cf.bCharSet = lf.lfCharSet;
2337         cf.bPitchAndFamily = lf.lfPitchAndFamily;
2338         wxStrncpy( cf.szFaceName, lf.lfFaceName, WXSIZEOF(cf.szFaceName) );
2339
2340         // also deal with underline/italic/bold attributes: note that we must
2341         // always set CFM_ITALIC &c bits in dwMask, even if we don't set the
2342         // style to allow clearing it
2343         if ( lf.lfItalic )
2344         {
2345             cf.dwEffects |= CFE_ITALIC;
2346         }
2347
2348         if ( lf.lfWeight == FW_BOLD )
2349         {
2350             cf.dwEffects |= CFE_BOLD;
2351         }
2352
2353         if ( lf.lfUnderline )
2354         {
2355             cf.dwEffects |= CFE_UNDERLINE;
2356         }
2357
2358         // strikeout fonts are not supported by wxWidgets
2359     }
2360
2361     if ( style.HasTextColour() )
2362     {
2363         cf.dwMask |= CFM_COLOR;
2364         cf.crTextColor = wxColourToRGB(style.GetTextColour());
2365     }
2366
2367 #if wxUSE_RICHEDIT2
2368     if ( m_verRichEdit != 1 && style.HasBackgroundColour() )
2369     {
2370         cf.dwMask |= CFM_BACKCOLOR;
2371         cf.crBackColor = wxColourToRGB(style.GetBackgroundColour());
2372     }
2373 #endif // wxUSE_RICHEDIT2
2374
2375     // do format the selection
2376     bool ok = ::SendMessage(GetHwnd(), EM_SETCHARFORMAT,
2377                             SCF_SELECTION, (LPARAM)&cf) != 0;
2378     if ( !ok )
2379     {
2380         wxLogDebug(_T("SendMessage(EM_SETCHARFORMAT, SCF_SELECTION) failed"));
2381     }
2382
2383     // now do the paragraph formatting
2384     PARAFORMAT2 pf;
2385     wxZeroMemory(pf);
2386     // we can't use PARAFORMAT2 with RichEdit 1.0, so pretend it is a simple
2387     // PARAFORMAT in that case
2388 #if wxUSE_RICHEDIT2
2389     if ( m_verRichEdit == 1 )
2390     {
2391         // this is the only thing the control is going to grok
2392         pf.cbSize = sizeof(PARAFORMAT);
2393     }
2394     else
2395 #endif
2396     {
2397         // PARAFORMAT or PARAFORMAT2
2398         pf.cbSize = sizeof(pf);
2399     }
2400
2401     if (style.HasAlignment())
2402     {
2403         pf.dwMask |= PFM_ALIGNMENT;
2404         if (style.GetAlignment() == wxTEXT_ALIGNMENT_RIGHT)
2405             pf.wAlignment = PFA_RIGHT;
2406         else if (style.GetAlignment() == wxTEXT_ALIGNMENT_CENTRE)
2407             pf.wAlignment = PFA_CENTER;
2408         else if (style.GetAlignment() == wxTEXT_ALIGNMENT_JUSTIFIED)
2409             pf.wAlignment = PFA_JUSTIFY;
2410         else
2411             pf.wAlignment = PFA_LEFT;
2412     }
2413
2414     if (style.HasLeftIndent())
2415     {
2416         pf.dwMask |= PFM_STARTINDENT | PFM_OFFSET;
2417
2418         // Convert from 1/10 mm to TWIPS
2419         pf.dxStartIndent = (int) (((double) style.GetLeftIndent()) * mm2twips / 10.0) ;
2420         pf.dxOffset = (int) (((double) style.GetLeftSubIndent()) * mm2twips / 10.0) ;
2421     }
2422
2423     if (style.HasRightIndent())
2424     {
2425         pf.dwMask |= PFM_RIGHTINDENT;
2426
2427         // Convert from 1/10 mm to TWIPS
2428         pf.dxRightIndent = (int) (((double) style.GetRightIndent()) * mm2twips / 10.0) ;
2429     }
2430
2431     if (style.HasTabs())
2432     {
2433         pf.dwMask |= PFM_TABSTOPS;
2434
2435         const wxArrayInt& tabs = style.GetTabs();
2436
2437         pf.cTabCount = (SHORT)wxMin(tabs.GetCount(), MAX_TAB_STOPS);
2438         size_t i;
2439         for (i = 0; i < (size_t) pf.cTabCount; i++)
2440         {
2441             // Convert from 1/10 mm to TWIPS
2442             pf.rgxTabs[i] = (int) (((double) tabs[i]) * mm2twips / 10.0) ;
2443         }
2444     }
2445
2446     if (pf.dwMask != 0)
2447     {
2448         // do format the selection
2449         bool ok = ::SendMessage(GetHwnd(), EM_SETPARAFORMAT,
2450             0, (LPARAM) &pf) != 0;
2451         if ( !ok )
2452         {
2453             wxLogDebug(_T("SendMessage(EM_SETPARAFORMAT, 0) failed"));
2454         }
2455     }
2456
2457     if ( changeSel )
2458     {
2459         // restore the original selection
2460         DoSetSelection(startOld, endOld, false);
2461     }
2462
2463     return ok;
2464 }
2465
2466 bool wxTextCtrl::SetDefaultStyle(const wxTextAttr& style)
2467 {
2468     if ( !wxTextCtrlBase::SetDefaultStyle(style) )
2469         return false;
2470
2471     if ( IsEditable() )
2472     {
2473         // we have to do this or the style wouldn't apply for the text typed by
2474         // the user
2475         wxTextPos posLast = GetLastPosition();
2476         SetStyle(posLast, posLast, m_defaultStyle);
2477     }
2478
2479     return true;
2480 }
2481
2482 bool wxTextCtrl::GetStyle(long position, wxTextAttr& style)
2483 {
2484     if ( !IsRich() )
2485     {
2486         // can't do it with normal text control
2487         return false;
2488     }
2489
2490     // initialize CHARFORMAT struct
2491 #if wxUSE_RICHEDIT2
2492     CHARFORMAT2 cf;
2493 #else
2494     CHARFORMAT cf;
2495 #endif
2496
2497     wxZeroMemory(cf);
2498
2499     // we can't use CHARFORMAT2 with RichEdit 1.0, so pretend it is a simple
2500     // CHARFORMAT in that case
2501 #if wxUSE_RICHEDIT2
2502     if ( m_verRichEdit == 1 )
2503     {
2504         // this is the only thing the control is going to grok
2505         cf.cbSize = sizeof(CHARFORMAT);
2506     }
2507     else
2508 #endif
2509     {
2510         // CHARFORMAT or CHARFORMAT2
2511         cf.cbSize = sizeof(cf);
2512     }
2513     // we can only change the format of the selection, so select the range we
2514     // want and restore the old selection later
2515     long startOld, endOld;
2516     GetSelection(&startOld, &endOld);
2517
2518     // but do we really have to change the selection?
2519     bool changeSel = position != startOld || position != endOld;
2520
2521     if ( changeSel )
2522     {
2523         DoSetSelection(position, position, false /* don't scroll caret into view */);
2524     }
2525
2526     // get the selection formatting
2527     (void) ::SendMessage(GetHwnd(), EM_GETCHARFORMAT,
2528                             SCF_SELECTION, (LPARAM)&cf) ;
2529
2530
2531     LOGFONT lf;
2532     lf.lfHeight = cf.yHeight;
2533     lf.lfWidth = 0;
2534     lf.lfCharSet = ANSI_CHARSET; // FIXME: how to get correct charset?
2535     lf.lfClipPrecision = 0;
2536     lf.lfEscapement = 0;
2537     wxStrcpy(lf.lfFaceName, cf.szFaceName);
2538
2539     //NOTE:  we _MUST_ set each of these values to _something_ since we
2540     //do not call wxZeroMemory on the LOGFONT lf
2541     if (cf.dwEffects & CFE_ITALIC)
2542         lf.lfItalic = TRUE;
2543     else
2544         lf.lfItalic = FALSE;
2545
2546     lf.lfOrientation = 0;
2547     lf.lfPitchAndFamily = cf.bPitchAndFamily;
2548     lf.lfQuality = 0;
2549
2550     if (cf.dwEffects & CFE_STRIKEOUT)
2551         lf.lfStrikeOut = TRUE;
2552     else
2553         lf.lfStrikeOut = FALSE;
2554
2555     if (cf.dwEffects & CFE_UNDERLINE)
2556         lf.lfUnderline = TRUE;
2557     else
2558         lf.lfUnderline = FALSE;
2559
2560     if (cf.dwEffects & CFE_BOLD)
2561         lf.lfWeight = FW_BOLD;
2562     else
2563         lf.lfWeight = FW_NORMAL;
2564
2565     wxFont font = wxCreateFontFromLogFont(& lf);
2566     if (font.Ok())
2567     {
2568         style.SetFont(font);
2569     }
2570     style.SetTextColour(wxColour(cf.crTextColor));
2571
2572 #if wxUSE_RICHEDIT2
2573     if ( m_verRichEdit != 1 )
2574     {
2575         // cf.dwMask |= CFM_BACKCOLOR;
2576         style.SetBackgroundColour(wxColour(cf.crBackColor));
2577     }
2578 #endif // wxUSE_RICHEDIT2
2579
2580     // now get the paragraph formatting
2581     PARAFORMAT2 pf;
2582     wxZeroMemory(pf);
2583     // we can't use PARAFORMAT2 with RichEdit 1.0, so pretend it is a simple
2584     // PARAFORMAT in that case
2585 #if wxUSE_RICHEDIT2
2586     if ( m_verRichEdit == 1 )
2587     {
2588         // this is the only thing the control is going to grok
2589         pf.cbSize = sizeof(PARAFORMAT);
2590     }
2591     else
2592 #endif
2593     {
2594         // PARAFORMAT or PARAFORMAT2
2595         pf.cbSize = sizeof(pf);
2596     }
2597
2598     // do format the selection
2599     (void) ::SendMessage(GetHwnd(), EM_GETPARAFORMAT, 0, (LPARAM) &pf) ;
2600
2601     style.SetLeftIndent( (int) ((double) pf.dxStartIndent * twips2mm * 10.0), (int) ((double) pf.dxOffset * twips2mm * 10.0) );
2602     style.SetRightIndent( (int) ((double) pf.dxRightIndent * twips2mm * 10.0) );
2603
2604     if (pf.wAlignment == PFA_CENTER)
2605         style.SetAlignment(wxTEXT_ALIGNMENT_CENTRE);
2606     else if (pf.wAlignment == PFA_RIGHT)
2607         style.SetAlignment(wxTEXT_ALIGNMENT_RIGHT);
2608     else if (pf.wAlignment == PFA_JUSTIFY)
2609         style.SetAlignment(wxTEXT_ALIGNMENT_JUSTIFIED);
2610     else
2611         style.SetAlignment(wxTEXT_ALIGNMENT_LEFT);
2612
2613     wxArrayInt tabStops;
2614     size_t i;
2615     for (i = 0; i < (size_t) pf.cTabCount; i++)
2616     {
2617         tabStops.Add( (int) ((double) (pf.rgxTabs[i] & 0xFFFF) * twips2mm * 10.0) );
2618     }
2619
2620     if ( changeSel )
2621     {
2622         // restore the original selection
2623         DoSetSelection(startOld, endOld, false);
2624     }
2625
2626     return true;
2627 }
2628
2629 #endif
2630
2631 // ----------------------------------------------------------------------------
2632 // wxRichEditModule
2633 // ----------------------------------------------------------------------------
2634
2635 static const HINSTANCE INVALID_HINSTANCE = (HINSTANCE)-1;
2636
2637 bool wxRichEditModule::OnInit()
2638 {
2639     // don't do anything - we will load it when needed
2640     return true;
2641 }
2642
2643 void wxRichEditModule::OnExit()
2644 {
2645     for ( size_t i = 0; i < WXSIZEOF(ms_hRichEdit); i++ )
2646     {
2647         if ( ms_hRichEdit[i] && ms_hRichEdit[i] != INVALID_HINSTANCE )
2648         {
2649             ::FreeLibrary(ms_hRichEdit[i]);
2650             ms_hRichEdit[i] = NULL;
2651         }
2652     }
2653 }
2654
2655 /* static */
2656 bool wxRichEditModule::Load(Version version)
2657 {
2658     if ( ms_hRichEdit[version] == INVALID_HINSTANCE )
2659     {
2660         // we had already tried to load it and failed
2661         return false;
2662     }
2663
2664     if ( ms_hRichEdit[version] )
2665     {
2666         // we've already got this one
2667         return true;
2668     }
2669
2670     static const wxChar *dllnames[] =
2671     {
2672         _T("riched32"),
2673         _T("riched20"),
2674         _T("msftedit"),
2675     };
2676
2677     wxCOMPILE_TIME_ASSERT( WXSIZEOF(dllnames) == Version_Max,
2678                             RichEditDllNamesVersionsMismatch );
2679
2680     ms_hRichEdit[version] = ::LoadLibrary(dllnames[version]);
2681
2682     if ( !ms_hRichEdit[version] )
2683     {
2684         ms_hRichEdit[version] = INVALID_HINSTANCE;
2685
2686         return false;
2687     }
2688
2689     return true;
2690 }
2691
2692 #endif // wxUSE_RICHEDIT
2693
2694 #endif // wxUSE_TEXTCTRL && !(__SMARTPHONE__ && __WXWINCE__)