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1 /////////////////////////////////////////////////////////////////////////////
2 // Name: src/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 #include "wx/module.h"
40 #include "wx/wxcrtvararg.h"
41 #endif
42
43 #include "wx/sysopt.h"
44
45 #if wxUSE_CLIPBOARD
46 #include "wx/clipbrd.h"
47 #endif
48
49 #include "wx/textfile.h"
50
51 #include <windowsx.h>
52
53 #include "wx/msw/private.h"
54 #include "wx/msw/winundef.h"
55 #include "wx/msw/mslu.h"
56
57 #include <string.h>
58 #include <stdlib.h>
59
60 #ifndef __WXWINCE__
61 #include <sys/types.h>
62 #endif
63
64 #if wxUSE_RICHEDIT
65
66 #if wxUSE_INKEDIT
67 #include "wx/dynlib.h"
68 #endif
69
70 // old mingw32 has richedit stuff directly in windows.h and doesn't have
71 // richedit.h at all
72 #if !defined(__GNUWIN32_OLD__) || defined(__CYGWIN10__)
73 #include <richedit.h>
74 #endif
75
76 #endif // wxUSE_RICHEDIT
77
78 #include "wx/msw/missing.h"
79
80 #if wxUSE_DRAG_AND_DROP && wxUSE_RICHEDIT
81
82 // dummy value used for m_dropTarget, different from any valid pointer value
83 // (which are all even under Windows) and NULL
84 static wxDropTarget *
85 wxRICHTEXT_DEFAULT_DROPTARGET = reinterpret_cast<wxDropTarget *>(1);
86
87 #endif // wxUSE_DRAG_AND_DROP && wxUSE_RICHEDIT
88
89 // ----------------------------------------------------------------------------
90 // private classes
91 // ----------------------------------------------------------------------------
92
93 #if wxUSE_RICHEDIT
94
95 // this module initializes RichEdit DLL(s) if needed
96 class wxRichEditModule : public wxModule
97 {
98 public:
99 enum Version
100 {
101 Version_1, // riched32.dll
102 Version_2or3, // both use riched20.dll
103 Version_41, // msftedit.dll (XP SP1 and Windows 2003)
104 Version_Max
105 };
106
107 virtual bool OnInit();
108 virtual void OnExit();
109
110 // load the richedit DLL for the specified version of rich edit
111 static bool Load(Version version);
112
113 #if wxUSE_INKEDIT
114 // load the InkEdit library
115 static bool LoadInkEdit();
116 #endif
117
118 private:
119 // the handles to richedit 1.0 and 2.0 (or 3.0) DLLs
120 static HINSTANCE ms_hRichEdit[Version_Max];
121
122 #if wxUSE_INKEDIT
123 static wxDynamicLibrary ms_inkEditLib;
124 static bool ms_inkEditLibLoadAttemped;
125 #endif
126
127 DECLARE_DYNAMIC_CLASS(wxRichEditModule)
128 };
129
130 HINSTANCE wxRichEditModule::ms_hRichEdit[Version_Max] = { NULL, NULL, NULL };
131
132 #if wxUSE_INKEDIT
133 wxDynamicLibrary wxRichEditModule::ms_inkEditLib;
134 bool wxRichEditModule::ms_inkEditLibLoadAttemped = false;
135 #endif
136
137 IMPLEMENT_DYNAMIC_CLASS(wxRichEditModule, wxModule)
138
139 #endif // wxUSE_RICHEDIT
140
141 // a small class used to set m_updatesCount to 0 (to filter duplicate events if
142 // necessary) and to reset it back to -1 afterwards
143 class UpdatesCountFilter
144 {
145 public:
146 UpdatesCountFilter(int& count)
147 : m_count(count)
148 {
149 wxASSERT_MSG( m_count == -1 || m_count == -2,
150 wxT("wrong initial m_updatesCount value") );
151
152 if (m_count != -2)
153 m_count = 0;
154 //else: we don't want to count how many update events we get as we're going
155 // to ignore all of them
156 }
157
158 ~UpdatesCountFilter()
159 {
160 m_count = -1;
161 }
162
163 // return true if an event has been received
164 bool GotUpdate() const
165 {
166 return m_count == 1;
167 }
168
169 private:
170 int& m_count;
171
172 wxDECLARE_NO_COPY_CLASS(UpdatesCountFilter);
173 };
174
175 // ----------------------------------------------------------------------------
176 // event tables and other macros
177 // ----------------------------------------------------------------------------
178
179 BEGIN_EVENT_TABLE(wxTextCtrl, wxTextCtrlBase)
180 EVT_CHAR(wxTextCtrl::OnChar)
181 EVT_KEY_DOWN(wxTextCtrl::OnKeyDown)
182 EVT_DROP_FILES(wxTextCtrl::OnDropFiles)
183
184 #if wxUSE_RICHEDIT
185 EVT_CONTEXT_MENU(wxTextCtrl::OnContextMenu)
186 #endif
187
188 EVT_MENU(wxID_CUT, wxTextCtrl::OnCut)
189 EVT_MENU(wxID_COPY, wxTextCtrl::OnCopy)
190 EVT_MENU(wxID_PASTE, wxTextCtrl::OnPaste)
191 EVT_MENU(wxID_UNDO, wxTextCtrl::OnUndo)
192 EVT_MENU(wxID_REDO, wxTextCtrl::OnRedo)
193 EVT_MENU(wxID_CLEAR, wxTextCtrl::OnDelete)
194 EVT_MENU(wxID_SELECTALL, wxTextCtrl::OnSelectAll)
195
196 EVT_UPDATE_UI(wxID_CUT, wxTextCtrl::OnUpdateCut)
197 EVT_UPDATE_UI(wxID_COPY, wxTextCtrl::OnUpdateCopy)
198 EVT_UPDATE_UI(wxID_PASTE, wxTextCtrl::OnUpdatePaste)
199 EVT_UPDATE_UI(wxID_UNDO, wxTextCtrl::OnUpdateUndo)
200 EVT_UPDATE_UI(wxID_REDO, wxTextCtrl::OnUpdateRedo)
201 EVT_UPDATE_UI(wxID_CLEAR, wxTextCtrl::OnUpdateDelete)
202 EVT_UPDATE_UI(wxID_SELECTALL, wxTextCtrl::OnUpdateSelectAll)
203
204 EVT_SET_FOCUS(wxTextCtrl::OnSetFocus)
205 END_EVENT_TABLE()
206
207 // ============================================================================
208 // implementation
209 // ============================================================================
210
211 // ----------------------------------------------------------------------------
212 // creation
213 // ----------------------------------------------------------------------------
214
215 void wxTextCtrl::Init()
216 {
217 #if wxUSE_RICHEDIT
218 m_verRichEdit = 0;
219 #endif // wxUSE_RICHEDIT
220
221 #if wxUSE_INKEDIT && wxUSE_RICHEDIT
222 m_isInkEdit = 0;
223 #endif
224
225 m_privateContextMenu = NULL;
226 m_updatesCount = -1;
227 m_isNativeCaretShown = true;
228 }
229
230 wxTextCtrl::~wxTextCtrl()
231 {
232 #if wxUSE_DRAG_AND_DROP && wxUSE_RICHEDIT
233 if ( m_dropTarget == wxRICHTEXT_DEFAULT_DROPTARGET )
234 {
235 // don't try to destroy this dummy pointer in the base class dtor
236 m_dropTarget = NULL;
237 }
238 #endif // wxUSE_DRAG_AND_DROP && wxUSE_RICHEDIT
239
240 delete m_privateContextMenu;
241 }
242
243 bool wxTextCtrl::Create(wxWindow *parent,
244 wxWindowID id,
245 const wxString& value,
246 const wxPoint& pos,
247 const wxSize& size,
248 long style,
249 const wxValidator& validator,
250 const wxString& name)
251 {
252 // base initialization
253 if ( !CreateControl(parent, id, pos, size, style, validator, name) )
254 return false;
255
256 if ( !MSWCreateText(value, pos, size) )
257 return false;
258
259 #if wxUSE_DRAG_AND_DROP && wxUSE_RICHEDIT
260 if ( IsRich() )
261 {
262 // rich text controls have a default associated drop target which
263 // allows them to receive (rich) text dropped on them, which is nice,
264 // but prevents us from associating a user-defined drop target with
265 // them as we need to unregister the old one first
266 //
267 // to make it work, we set m_dropTarget to this special value initially
268 // and check for it in our SetDropTarget()
269 m_dropTarget = wxRICHTEXT_DEFAULT_DROPTARGET;
270 }
271 #endif // wxUSE_DRAG_AND_DROP && wxUSE_RICHEDIT
272
273 return true;
274 }
275
276 // returns true if the platform should explicitly apply a theme border
277 bool wxTextCtrl::CanApplyThemeBorder() const
278 {
279 #ifdef __WXWINCE__
280 return false;
281 #else
282 // Standard text control already handles theming
283 return ((GetWindowStyle() & (wxTE_RICH|wxTE_RICH2)) != 0);
284 #endif
285 }
286
287 bool wxTextCtrl::MSWCreateText(const wxString& value,
288 const wxPoint& pos,
289 const wxSize& size)
290 {
291 // translate wxWin style flags to MSW ones
292 WXDWORD msStyle = MSWGetCreateWindowFlags();
293
294 // do create the control - either an EDIT or RICHEDIT
295 wxString windowClass = wxT("EDIT");
296
297 #if defined(__POCKETPC__) || defined(__SMARTPHONE__)
298 // A control that capitalizes the first letter
299 if ( HasFlag(wxTE_CAPITALIZE) )
300 windowClass = wxT("CAPEDIT");
301 #endif
302
303 #if wxUSE_RICHEDIT
304 if ( m_windowStyle & wxTE_AUTO_URL )
305 {
306 // automatic URL detection only works in RichEdit 2.0+
307 m_windowStyle |= wxTE_RICH2;
308 }
309
310 if ( m_windowStyle & wxTE_RICH2 )
311 {
312 // using richedit 2.0 implies using wxTE_RICH
313 m_windowStyle |= wxTE_RICH;
314 }
315
316 // we need to load the richedit DLL before creating the rich edit control
317 if ( m_windowStyle & wxTE_RICH )
318 {
319 // versions 2.0, 3.0 and 4.1 of rich edit are mostly compatible with
320 // each other but not with version 1.0, so we have separate flags for
321 // the version 1.0 and the others (and so m_verRichEdit may be 0 (plain
322 // EDIT control), 1 for version 1.0 or 2 for any higher version)
323 //
324 // notice that 1.0 has no Unicode support at all so in Unicode build we
325 // must use another version
326
327 #if wxUSE_UNICODE
328 m_verRichEdit = 2;
329 #else // !wxUSE_UNICODE
330 m_verRichEdit = m_windowStyle & wxTE_RICH2 ? 2 : 1;
331 #endif // wxUSE_UNICODE/!wxUSE_UNICODE
332
333 #if wxUSE_INKEDIT
334 // First test if we can load an ink edit control. Normally, all edit
335 // controls will be made ink edit controls if a tablet environment is
336 // found (or if msw.inkedit != 0 and the InkEd.dll is present).
337 // However, an application can veto ink edit controls by either specifying
338 // msw.inkedit = 0 or by removing wxTE_RICH[2] from the style.
339 //
340 if ((wxSystemSettings::HasFeature(wxSYS_TABLET_PRESENT) || wxSystemOptions::GetOptionInt(wxT("msw.inkedit")) != 0) &&
341 !(wxSystemOptions::HasOption(wxT("msw.inkedit")) && wxSystemOptions::GetOptionInt(wxT("msw.inkedit")) == 0))
342 {
343 if (wxRichEditModule::LoadInkEdit())
344 {
345 windowClass = INKEDIT_CLASS;
346
347 #if wxUSE_INKEDIT && wxUSE_RICHEDIT
348 m_isInkEdit = 1;
349 #endif
350
351 // Fake rich text version for other calls
352 m_verRichEdit = 2;
353 }
354 }
355 #endif
356
357 #if wxUSE_INKEDIT
358 if (!IsInkEdit())
359 #endif // wxUSE_INKEDIT
360 {
361 if ( m_verRichEdit == 2 )
362 {
363 if ( wxRichEditModule::Load(wxRichEditModule::Version_41) )
364 {
365 // yes, class name for version 4.1 really is 5.0
366 windowClass = wxT("RICHEDIT50W");
367
368 m_verRichEdit = 4;
369 }
370 else if ( wxRichEditModule::Load(wxRichEditModule::Version_2or3) )
371 {
372 windowClass = wxT("RichEdit20")
373 #if wxUSE_UNICODE
374 wxT("W");
375 #else // ANSI
376 wxT("A");
377 #endif // Unicode/ANSI
378 }
379 else // failed to load msftedit.dll and riched20.dll
380 {
381 m_verRichEdit = 1;
382 }
383 }
384
385 if ( m_verRichEdit == 1 )
386 {
387 if ( wxRichEditModule::Load(wxRichEditModule::Version_1) )
388 {
389 windowClass = wxT("RICHEDIT");
390 }
391 else // failed to load any richedit control DLL
392 {
393 // only give the error msg once if the DLL can't be loaded
394 static bool s_errorGiven = false; // MT ok as only used by GUI
395
396 if ( !s_errorGiven )
397 {
398 wxLogError(_("Impossible to create a rich edit control, using simple text control instead. Please reinstall riched32.dll"));
399
400 s_errorGiven = true;
401 }
402
403 m_verRichEdit = 0;
404 }
405 }
406 } // !useInkEdit
407 }
408 #endif // wxUSE_RICHEDIT
409
410 // we need to turn '\n's into "\r\n"s for the multiline controls
411 wxString valueWin;
412 if ( m_windowStyle & wxTE_MULTILINE )
413 {
414 valueWin = wxTextFile::Translate(value, wxTextFileType_Dos);
415 }
416 else // single line
417 {
418 valueWin = value;
419 }
420
421 // suppress events sent during control creation: we're called either from
422 // the ctor and then we shouldn't generate any events for compatibility
423 // with the other ports, or from SetWindowStyleFlag() and then we shouldn't
424 // generate the events because our text doesn't really change, the fact
425 // that we (sometimes) need to recreate the control is just an
426 // implementation detail
427 m_updatesCount = -2;
428
429 if ( !MSWCreateControl(windowClass.wx_str(), msStyle, pos, size, valueWin) )
430 return false;
431
432 m_updatesCount = -1;
433
434 #if wxUSE_RICHEDIT
435 if (IsRich())
436 {
437 #if wxUSE_INKEDIT
438 if (IsInkEdit())
439 {
440 // Pass IEM_InsertText (0) as wParam, in order to have the ink always
441 // converted to text.
442 ::SendMessage(GetHwnd(), EM_SETINKINSERTMODE, 0, 0);
443
444 // Make sure the mouse can be used for input
445 ::SendMessage(GetHwnd(), EM_SETUSEMOUSEFORINPUT, 1, 0);
446 }
447 #endif
448
449 // enable the events we're interested in: we want to get EN_CHANGE as
450 // for the normal controls
451 LPARAM mask = ENM_CHANGE;
452
453 if (GetRichVersion() == 1 && !IsInkEdit())
454 {
455 // we also need EN_MSGFILTER for richedit 1.0 for the reasons
456 // explained in its handler
457 mask |= ENM_MOUSEEVENTS;
458
459 // we also need to force the appearance of the vertical scrollbar
460 // initially as otherwise the control doesn't refresh correctly
461 // after resize: but once the vertical scrollbar had been shown
462 // (even if it's subsequently hidden) it does
463 //
464 // this is clearly a bug and for now it has been only noticed under
465 // Windows XP, so if we're sure it works correctly under other
466 // systems we could do this only for XP
467 SetSize(-1, 1); // 1 is small enough to force vert scrollbar
468 SetInitialSize(size);
469 }
470 else if ( m_windowStyle & wxTE_AUTO_URL )
471 {
472 mask |= ENM_LINK;
473
474 ::SendMessage(GetHwnd(), EM_AUTOURLDETECT, TRUE, 0);
475 }
476
477 ::SendMessage(GetHwnd(), EM_SETEVENTMASK, 0, mask);
478 }
479 else
480 #endif // wxUSE_RICHEDIT
481 if ( HasFlag(wxTE_MULTILINE) && HasFlag(wxTE_READONLY) )
482 {
483 // non-rich read-only multiline controls have grey background by
484 // default under MSW but this is not always appropriate, so forcefully
485 // reset the background colour to normal default
486 //
487 // this is not ideal but, after a long discussion on wx-dev (see
488 // http://thread.gmane.org/gmane.comp.lib.wxwidgets.devel/116360/) it
489 // was finally deemed to be the best behaviour by default (and ideally
490 // we'd have a way to change this, see #11521)
491 SetBackgroundColour(GetClassDefaultAttributes().colBg);
492 }
493
494 #ifndef __WXWINCE__
495 // Without this, if we pass the size in the constructor and then don't change it,
496 // the themed borders will be drawn incorrectly.
497 SetWindowPos(GetHwnd(), NULL, 0, 0, 0, 0,
498 SWP_NOZORDER|SWP_NOMOVE|SWP_NOSIZE|SWP_NOACTIVATE|
499 SWP_FRAMECHANGED);
500 #endif
501
502 return true;
503 }
504
505 // Make sure the window style (etc.) reflects the HWND style (roughly)
506 void wxTextCtrl::AdoptAttributesFromHWND()
507 {
508 wxWindow::AdoptAttributesFromHWND();
509
510 HWND hWnd = GetHwnd();
511 long style = ::GetWindowLong(hWnd, GWL_STYLE);
512
513 // retrieve the style to see whether this is an edit or richedit ctrl
514 #if wxUSE_RICHEDIT
515 wxString classname = wxGetWindowClass(GetHWND());
516
517 if ( classname.IsSameAs(wxT("EDIT"), false /* no case */) )
518 {
519 m_verRichEdit = 0;
520 }
521 else // rich edit?
522 {
523 wxChar c;
524 if ( wxSscanf(classname, wxT("RichEdit%d0%c"), &m_verRichEdit, &c) != 2 )
525 {
526 wxLogDebug(wxT("Unknown edit control '%s'."), classname.c_str());
527
528 m_verRichEdit = 0;
529 }
530 }
531 #endif // wxUSE_RICHEDIT
532
533 if (style & ES_MULTILINE)
534 m_windowStyle |= wxTE_MULTILINE;
535 if (style & ES_PASSWORD)
536 m_windowStyle |= wxTE_PASSWORD;
537 if (style & ES_READONLY)
538 m_windowStyle |= wxTE_READONLY;
539 if (style & ES_WANTRETURN)
540 m_windowStyle |= wxTE_PROCESS_ENTER;
541 if (style & ES_CENTER)
542 m_windowStyle |= wxTE_CENTRE;
543 if (style & ES_RIGHT)
544 m_windowStyle |= wxTE_RIGHT;
545 }
546
547 WXDWORD wxTextCtrl::MSWGetStyle(long style, WXDWORD *exstyle) const
548 {
549 long msStyle = wxControl::MSWGetStyle(style, exstyle);
550
551 // styles which we always add by default
552 if ( style & wxTE_MULTILINE )
553 {
554 msStyle |= ES_MULTILINE | ES_WANTRETURN;
555 if ( !(style & wxTE_NO_VSCROLL) )
556 {
557 // always adjust the vertical scrollbar automatically if we have it
558 msStyle |= WS_VSCROLL | ES_AUTOVSCROLL;
559
560 #if wxUSE_RICHEDIT
561 // we have to use this style for the rich edit controls because
562 // without it the vertical scrollbar never appears at all in
563 // richedit 3.0 because of our ECO_NOHIDESEL hack (search for it)
564 if ( style & wxTE_RICH2 )
565 {
566 msStyle |= ES_DISABLENOSCROLL;
567 }
568 #endif // wxUSE_RICHEDIT
569 }
570
571 style |= wxTE_PROCESS_ENTER;
572 }
573 else // !multiline
574 {
575 // there is really no reason to not have this style for single line
576 // text controls
577 msStyle |= ES_AUTOHSCROLL;
578 }
579
580 // note that wxTE_DONTWRAP is the same as wxHSCROLL so if we have a horz
581 // scrollbar, there is no wrapping -- which makes sense
582 if ( style & wxTE_DONTWRAP )
583 {
584 // automatically scroll the control horizontally as necessary
585 //
586 // NB: ES_AUTOHSCROLL is needed for richedit controls or they don't
587 // show horz scrollbar at all, even in spite of WS_HSCROLL, and as
588 // it doesn't seem to do any harm for plain edit controls, add it
589 // always
590 msStyle |= WS_HSCROLL | ES_AUTOHSCROLL;
591 }
592
593 if ( style & wxTE_READONLY )
594 msStyle |= ES_READONLY;
595
596 if ( style & wxTE_PASSWORD )
597 msStyle |= ES_PASSWORD;
598
599 if ( style & wxTE_NOHIDESEL )
600 msStyle |= ES_NOHIDESEL;
601
602 // note that we can't do do "& wxTE_LEFT" as wxTE_LEFT == 0
603 if ( style & wxTE_CENTRE )
604 msStyle |= ES_CENTER;
605 else if ( style & wxTE_RIGHT )
606 msStyle |= ES_RIGHT;
607 else
608 msStyle |= ES_LEFT; // ES_LEFT is 0 as well but for consistency...
609
610 return msStyle;
611 }
612
613 void wxTextCtrl::SetWindowStyleFlag(long style)
614 {
615 // changing the alignment of the control dynamically works under Win2003
616 // (but not older Windows version: it seems to work under some versions of
617 // XP but not other ones, and we have no way to determine it so be
618 // conservative here) and only for plain EDIT controls (not RICH ones) and
619 // we have to recreate the control to make it always work
620 if ( IsRich() || wxGetWinVersion() < wxWinVersion_2003 )
621 {
622 const long alignMask = wxTE_LEFT | wxTE_CENTRE | wxTE_RIGHT;
623 if ( (style & alignMask) != (GetWindowStyle() & alignMask) )
624 {
625 const wxString value = GetValue();
626 const wxPoint pos = GetPosition();
627 const wxSize size = GetSize();
628
629 // delete the old window
630 HWND hwnd = GetHwnd();
631 DissociateHandle();
632 ::DestroyWindow(hwnd);
633
634 // create the new one with the updated flags
635 m_windowStyle = style;
636 MSWCreateText(value, pos, size);
637
638 // and make sure it has the same attributes as before
639 if ( m_hasFont )
640 {
641 // calling SetFont(m_font) would do nothing as the code would
642 // notice that the font didn't change, so force it to believe
643 // that it did
644 wxFont font = m_font;
645 m_font = wxNullFont;
646 SetFont(font);
647 }
648
649 if ( m_hasFgCol )
650 {
651 wxColour colFg = m_foregroundColour;
652 m_foregroundColour = wxNullColour;
653 SetForegroundColour(colFg);
654 }
655
656 if ( m_hasBgCol )
657 {
658 wxColour colBg = m_backgroundColour;
659 m_backgroundColour = wxNullColour;
660 SetBackgroundColour(colBg);
661 }
662
663 // note that text styles are lost but this is probably not a big
664 // problem: if you use styles, you probably don't use nor change
665 // alignment flags anyhow
666
667 return;
668 }
669 }
670
671 #if wxUSE_RICHEDIT
672 // we have to deal with some styles separately because they can't be
673 // changed by simply calling SetWindowLong(GWL_STYLE) but can be changed
674 // using richedit-specific EM_SETOPTIONS
675 if ( IsRich() &&
676 ((style & wxTE_NOHIDESEL) != (GetWindowStyle() & wxTE_NOHIDESEL)) )
677 {
678 bool set = (style & wxTE_NOHIDESEL) != 0;
679
680 ::SendMessage(GetHwnd(), EM_SETOPTIONS, set ? ECOOP_OR : ECOOP_AND,
681 set ? ECO_NOHIDESEL : ~ECO_NOHIDESEL);
682 }
683 #endif // wxUSE_RICHEDIT
684
685 wxControl::SetWindowStyleFlag(style);
686 }
687
688 // ----------------------------------------------------------------------------
689 // set/get the controls text
690 // ----------------------------------------------------------------------------
691
692 bool wxTextCtrl::IsEmpty() const
693 {
694 // this is an optimization for multiline controls containing a lot of text
695 if ( IsMultiLine() && GetNumberOfLines() != 1 )
696 return false;
697
698 return wxTextCtrlBase::IsEmpty();
699 }
700
701 wxString wxTextCtrl::GetValue() const
702 {
703 // range 0..-1 is special for GetRange() and means to retrieve all text
704 return GetRange(0, -1);
705 }
706
707 wxString wxTextCtrl::GetRange(long from, long to) const
708 {
709 wxString str;
710
711 if ( from >= to && to != -1 )
712 {
713 // nothing to retrieve
714 return str;
715 }
716
717 #if wxUSE_RICHEDIT
718 if ( IsRich() )
719 {
720 int len = GetWindowTextLength(GetHwnd());
721 if ( len > from )
722 {
723 if ( to == -1 )
724 to = len;
725
726 #if !wxUSE_UNICODE
727 // we must use EM_STREAMOUT if we don't want to lose all characters
728 // not representable in the current character set (EM_GETTEXTRANGE
729 // simply replaces them with question marks...)
730 if ( GetRichVersion() > 1 )
731 {
732 // we must have some encoding, otherwise any 8bit chars in the
733 // control are simply *lost* (replaced by '?')
734 wxFontEncoding encoding = wxFONTENCODING_SYSTEM;
735
736 wxFont font = m_defaultStyle.GetFont();
737 if ( !font.IsOk() )
738 font = GetFont();
739
740 if ( font.IsOk() )
741 {
742 encoding = font.GetEncoding();
743 }
744
745 #if wxUSE_INTL
746 if ( encoding == wxFONTENCODING_SYSTEM )
747 {
748 encoding = wxLocale::GetSystemEncoding();
749 }
750 #endif // wxUSE_INTL
751
752 if ( encoding == wxFONTENCODING_SYSTEM )
753 {
754 encoding = wxFONTENCODING_ISO8859_1;
755 }
756
757 str = StreamOut(encoding);
758
759 if ( !str.empty() )
760 {
761 // we have to manually extract the required part, luckily
762 // this is easy in this case as EOL characters in str are
763 // just LFs because we remove CRs in wxRichEditStreamOut
764 str = str.Mid(from, to - from);
765 }
766 }
767
768 // StreamOut() wasn't used or failed, try to do it in normal way
769 if ( str.empty() )
770 #endif // !wxUSE_UNICODE
771 {
772 // alloc one extra WORD as needed by the control
773 wxStringBuffer tmp(str, ++len);
774 wxChar *p = tmp;
775
776 TEXTRANGE textRange;
777 textRange.chrg.cpMin = from;
778 textRange.chrg.cpMax = to;
779 textRange.lpstrText = p;
780
781 (void)::SendMessage(GetHwnd(), EM_GETTEXTRANGE,
782 0, (LPARAM)&textRange);
783
784 if ( m_verRichEdit > 1 )
785 {
786 // RichEdit 2.0 uses just CR ('\r') for the
787 // newlines which is neither Unix nor Windows
788 // style - convert it to something reasonable
789 for ( ; *p; p++ )
790 {
791 if ( *p == wxT('\r') )
792 *p = wxT('\n');
793 }
794 }
795 }
796
797 if ( m_verRichEdit == 1 )
798 {
799 // convert to the canonical form - see comment below
800 str = wxTextFile::Translate(str, wxTextFileType_Unix);
801 }
802 }
803 //else: no text at all, leave the string empty
804 }
805 else
806 #endif // wxUSE_RICHEDIT
807 {
808 // retrieve all text: wxTextEntry method works even for multiline
809 // controls and must be used for single line ones to account for hints
810 str = wxTextEntry::GetValue();
811
812 // need only a range?
813 if ( from < to )
814 {
815 str = str.Mid(from, to - from);
816 }
817
818 // WM_GETTEXT uses standard DOS CR+LF (\r\n) convention - convert to the
819 // canonical one (same one as above) for consistency with the other kinds
820 // of controls and, more importantly, with the other ports
821 str = wxTextFile::Translate(str, wxTextFileType_Unix);
822 }
823
824 return str;
825 }
826
827 void wxTextCtrl::DoSetValue(const wxString& value, int flags)
828 {
829 // if the text is long enough, it's faster to just set it instead of first
830 // comparing it with the old one (chances are that it will be different
831 // anyhow, this comparison is there to avoid flicker for small single-line
832 // edit controls mostly)
833 if ( (value.length() > 0x400) || (value != DoGetValue()) )
834 {
835 DoWriteText(value, flags /* doesn't include SelectionOnly here */);
836
837 // mark the control as being not dirty - we changed its text, not the
838 // user
839 DiscardEdits();
840
841 // for compatibility, don't move the cursor when doing SetValue()
842 SetInsertionPoint(0);
843 }
844 else // same text
845 {
846 // still reset the modified flag even if the value didn't really change
847 // because now it comes from the program and not the user (and do it
848 // before generating the event so that the event handler could get the
849 // expected value from IsModified())
850 DiscardEdits();
851
852 // still send an event for consistency
853 if (flags & SetValue_SendEvent)
854 SendUpdateEvent();
855 }
856 }
857
858 #if wxUSE_RICHEDIT && (!wxUSE_UNICODE || wxUSE_UNICODE_MSLU)
859
860 // TODO: using memcpy() would improve performance a lot for big amounts of text
861
862 DWORD CALLBACK
863 wxRichEditStreamIn(DWORD_PTR dwCookie, BYTE *buf, LONG cb, LONG *pcb)
864 {
865 *pcb = 0;
866
867 const wchar_t ** const ppws = (const wchar_t **)dwCookie;
868
869 wchar_t *wbuf = (wchar_t *)buf;
870 const wchar_t *wpc = *ppws;
871 while ( cb && *wpc )
872 {
873 *wbuf++ = *wpc++;
874
875 cb -= sizeof(wchar_t);
876 (*pcb) += sizeof(wchar_t);
877 }
878
879 *ppws = wpc;
880
881 return 0;
882 }
883
884 // helper struct used to pass parameters from wxTextCtrl to wxRichEditStreamOut
885 struct wxStreamOutData
886 {
887 wchar_t *wpc;
888 size_t len;
889 };
890
891 DWORD CALLBACK
892 wxRichEditStreamOut(DWORD_PTR dwCookie, BYTE *buf, LONG cb, LONG *pcb)
893 {
894 *pcb = 0;
895
896 wxStreamOutData *data = (wxStreamOutData *)dwCookie;
897
898 const wchar_t *wbuf = (const wchar_t *)buf;
899 wchar_t *wpc = data->wpc;
900 while ( cb )
901 {
902 wchar_t wch = *wbuf++;
903
904 // turn "\r\n" into "\n" on the fly
905 if ( wch != L'\r' )
906 *wpc++ = wch;
907 else
908 data->len--;
909
910 cb -= sizeof(wchar_t);
911 (*pcb) += sizeof(wchar_t);
912 }
913
914 data->wpc = wpc;
915
916 return 0;
917 }
918
919
920 #if wxUSE_UNICODE_MSLU
921 #define UNUSED_IF_MSLU(param)
922 #else
923 #define UNUSED_IF_MSLU(param) param
924 #endif
925
926 bool
927 wxTextCtrl::StreamIn(const wxString& value,
928 wxFontEncoding UNUSED_IF_MSLU(encoding),
929 bool selectionOnly)
930 {
931 #if wxUSE_UNICODE_MSLU
932 const wchar_t *wpc = value.c_str();
933 #else // !wxUSE_UNICODE_MSLU
934 wxCSConv conv(encoding);
935
936 const size_t len = conv.MB2WC(NULL, value.mb_str(), value.length());
937
938 if (len == wxCONV_FAILED)
939 return false;
940
941 wxWCharBuffer wchBuf(len); // allocates one extra character
942 wchar_t *wpc = wchBuf.data();
943
944 conv.MB2WC(wpc, value.mb_str(), len + 1);
945 #endif // wxUSE_UNICODE_MSLU
946
947 // finally, stream it in the control
948 EDITSTREAM eds;
949 wxZeroMemory(eds);
950 eds.dwCookie = (DWORD_PTR)&wpc;
951 // the cast below is needed for broken (very) old mingw32 headers
952 eds.pfnCallback = (EDITSTREAMCALLBACK)wxRichEditStreamIn;
953
954 // same problem as in DoWriteText(): we can get multiple events here
955 UpdatesCountFilter ucf(m_updatesCount);
956
957 ::SendMessage(GetHwnd(), EM_STREAMIN,
958 SF_TEXT |
959 SF_UNICODE |
960 (selectionOnly ? SFF_SELECTION : 0),
961 (LPARAM)&eds);
962
963 // It's okay for EN_UPDATE to not be sent if the selection is empty and
964 // the text is empty, otherwise warn the programmer about it.
965 wxASSERT_MSG( ucf.GotUpdate() || ( !HasSelection() && value.empty() ),
966 wxT("EM_STREAMIN didn't send EN_UPDATE?") );
967
968 if ( eds.dwError )
969 {
970 wxLogLastError(wxT("EM_STREAMIN"));
971 }
972
973 return true;
974 }
975
976 #if !wxUSE_UNICODE_MSLU
977
978 wxString
979 wxTextCtrl::StreamOut(wxFontEncoding encoding, bool selectionOnly) const
980 {
981 wxString out;
982
983 const int len = GetWindowTextLength(GetHwnd());
984
985 wxWCharBuffer wchBuf(len);
986 wchar_t *wpc = wchBuf.data();
987
988 wxStreamOutData data;
989 data.wpc = wpc;
990 data.len = len;
991
992 EDITSTREAM eds;
993 wxZeroMemory(eds);
994 eds.dwCookie = (DWORD)&data;
995 eds.pfnCallback = wxRichEditStreamOut;
996
997 ::SendMessage
998 (
999 GetHwnd(),
1000 EM_STREAMOUT,
1001 SF_TEXT | SF_UNICODE | (selectionOnly ? SFF_SELECTION : 0),
1002 (LPARAM)&eds
1003 );
1004
1005 if ( eds.dwError )
1006 {
1007 wxLogLastError(wxT("EM_STREAMOUT"));
1008 }
1009 else // streamed out ok
1010 {
1011 // NUL-terminate the string because its length could have been
1012 // decreased by wxRichEditStreamOut
1013 *(wchBuf.data() + data.len) = L'\0';
1014
1015 // now convert to the given encoding (this is a possibly lossful
1016 // conversion but what else can we do)
1017 wxCSConv conv(encoding);
1018 size_t lenNeeded = conv.WC2MB(NULL, wchBuf, 0);
1019
1020 if ( lenNeeded != wxCONV_FAILED && lenNeeded++ )
1021 {
1022 conv.WC2MB(wxStringBuffer(out, lenNeeded), wchBuf, lenNeeded);
1023 }
1024 }
1025
1026 return out;
1027 }
1028
1029 #endif // !wxUSE_UNICODE_MSLU
1030
1031 #endif // wxUSE_RICHEDIT
1032
1033 void wxTextCtrl::WriteText(const wxString& value)
1034 {
1035 DoWriteText(value);
1036 }
1037
1038 void wxTextCtrl::DoWriteText(const wxString& value, int flags)
1039 {
1040 bool selectionOnly = (flags & SetValue_SelectionOnly) != 0;
1041 wxString valueDos;
1042 if ( m_windowStyle & wxTE_MULTILINE )
1043 valueDos = wxTextFile::Translate(value, wxTextFileType_Dos);
1044 else
1045 valueDos = value;
1046
1047 #if wxUSE_RICHEDIT
1048 // there are several complications with the rich edit controls here
1049 bool done = false;
1050 if ( IsRich() )
1051 {
1052 // first, ensure that the new text will be in the default style
1053 if ( !m_defaultStyle.IsDefault() )
1054 {
1055 long start, end;
1056 GetSelection(&start, &end);
1057 SetStyle(start, end, m_defaultStyle);
1058 }
1059
1060 #if wxUSE_UNICODE_MSLU
1061 // RichEdit doesn't have Unicode version of EM_REPLACESEL on Win9x,
1062 // but EM_STREAMIN works
1063 if ( wxUsingUnicowsDll() && GetRichVersion() > 1 )
1064 {
1065 done = StreamIn(valueDos, wxFONTENCODING_SYSTEM, selectionOnly);
1066 }
1067 #endif // wxUSE_UNICODE_MSLU
1068
1069 #if !wxUSE_UNICODE
1070 // next check if the text we're inserting must be shown in a non
1071 // default charset -- this only works for RichEdit > 1.0
1072 if ( GetRichVersion() > 1 )
1073 {
1074 wxFont font = m_defaultStyle.GetFont();
1075 if ( !font.IsOk() )
1076 font = GetFont();
1077
1078 if ( font.IsOk() )
1079 {
1080 wxFontEncoding encoding = font.GetEncoding();
1081 if ( encoding != wxFONTENCODING_SYSTEM )
1082 {
1083 // we have to use EM_STREAMIN to force richedit control 2.0+
1084 // to show any text in the non default charset -- otherwise
1085 // it thinks it knows better than we do and always shows it
1086 // in the default one
1087 done = StreamIn(valueDos, encoding, selectionOnly);
1088 }
1089 }
1090 }
1091 #endif // !wxUSE_UNICODE
1092 }
1093
1094 if ( !done )
1095 #endif // wxUSE_RICHEDIT
1096 {
1097 // in some cases we get 2 EN_CHANGE notifications after the SendMessage
1098 // call (this happens for plain EDITs with EM_REPLACESEL and under some
1099 // -- undetermined -- conditions with rich edit) and sometimes we don't
1100 // get any events at all (plain EDIT with WM_SETTEXT), so ensure that
1101 // we generate exactly one of them by ignoring all but the first one in
1102 // SendUpdateEvent() and generating one ourselves if we hadn't got any
1103 // notifications from Windows
1104 if ( !(flags & SetValue_SendEvent) )
1105 m_updatesCount = -2; // suppress any update event
1106
1107 UpdatesCountFilter ucf(m_updatesCount);
1108
1109 ::SendMessage(GetHwnd(), selectionOnly ? EM_REPLACESEL : WM_SETTEXT,
1110 // EM_REPLACESEL takes 1 to indicate the operation should be redoable
1111 selectionOnly ? 1 : 0, (LPARAM)valueDos.wx_str());
1112
1113 if ( !ucf.GotUpdate() && (flags & SetValue_SendEvent) )
1114 {
1115 SendUpdateEvent();
1116 }
1117 }
1118 }
1119
1120 void wxTextCtrl::AppendText(const wxString& text)
1121 {
1122 wxTextEntry::AppendText(text);
1123
1124 #if wxUSE_RICHEDIT
1125 // don't do this if we're frozen, saves some time
1126 if ( !IsFrozen() && IsMultiLine() && GetRichVersion() > 1 )
1127 {
1128 ::SendMessage(GetHwnd(), WM_VSCROLL, SB_BOTTOM, (LPARAM)NULL);
1129 }
1130 #endif // wxUSE_RICHEDIT
1131 }
1132
1133 void wxTextCtrl::Clear()
1134 {
1135 ::SetWindowText(GetHwnd(), wxEmptyString);
1136
1137 if ( IsMultiLine() && !IsRich() )
1138 {
1139 // rich edit controls send EN_UPDATE from WM_SETTEXT handler themselves
1140 // but the normal ones don't -- make Clear() behaviour consistent by
1141 // always sending this event
1142 SendUpdateEvent();
1143 }
1144 }
1145
1146 #ifdef __WIN32__
1147
1148 bool wxTextCtrl::EmulateKeyPress(const wxKeyEvent& event)
1149 {
1150 SetFocus();
1151
1152 size_t lenOld = GetValue().length();
1153
1154 wxUint32 code = event.GetRawKeyCode();
1155 ::keybd_event((BYTE)code, 0, 0 /* key press */, 0);
1156 ::keybd_event((BYTE)code, 0, KEYEVENTF_KEYUP, 0);
1157
1158 // assume that any alphanumeric key changes the total number of characters
1159 // in the control - this should work in 99% of cases
1160 return GetValue().length() != lenOld;
1161 }
1162
1163 #endif // __WIN32__
1164
1165 // ----------------------------------------------------------------------------
1166 // Accessors
1167 // ----------------------------------------------------------------------------
1168
1169 void wxTextCtrl::SetInsertionPointEnd()
1170 {
1171 // we must not do anything if the caret is already there because calling
1172 // SetInsertionPoint() thaws the controls if Freeze() had been called even
1173 // if it doesn't actually move the caret anywhere and so the simple fact of
1174 // doing it results in horrible flicker when appending big amounts of text
1175 // to the control in a few chunks (see DoAddText() test in the text sample)
1176 const wxTextPos lastPosition = GetLastPosition();
1177 if ( GetInsertionPoint() == lastPosition )
1178 {
1179 return;
1180 }
1181
1182 SetInsertionPoint(lastPosition);
1183 }
1184
1185 long wxTextCtrl::GetInsertionPoint() const
1186 {
1187 #if wxUSE_RICHEDIT
1188 if ( IsRich() )
1189 {
1190 CHARRANGE range;
1191 range.cpMin = 0;
1192 range.cpMax = 0;
1193 ::SendMessage(GetHwnd(), EM_EXGETSEL, 0, (LPARAM) &range);
1194 return range.cpMin;
1195 }
1196 #endif // wxUSE_RICHEDIT
1197
1198 return wxTextEntry::GetInsertionPoint();
1199 }
1200
1201 wxTextPos wxTextCtrl::GetLastPosition() const
1202 {
1203 if ( IsMultiLine() )
1204 {
1205 int numLines = GetNumberOfLines();
1206 long posStartLastLine = XYToPosition(0, numLines - 1);
1207
1208 long lenLastLine = GetLengthOfLineContainingPos(posStartLastLine);
1209
1210 return posStartLastLine + lenLastLine;
1211 }
1212
1213 return wxTextEntry::GetLastPosition();
1214 }
1215
1216 // If the return values from and to are the same, there is no
1217 // selection.
1218 void wxTextCtrl::GetSelection(long *from, long *to) const
1219 {
1220 #if wxUSE_RICHEDIT
1221 if ( IsRich() )
1222 {
1223 CHARRANGE charRange;
1224 ::SendMessage(GetHwnd(), EM_EXGETSEL, 0, (LPARAM) &charRange);
1225
1226 *from = charRange.cpMin;
1227 *to = charRange.cpMax;
1228 }
1229 else
1230 #endif // !wxUSE_RICHEDIT
1231 {
1232 wxTextEntry::GetSelection(from, to);
1233 }
1234 }
1235
1236 // ----------------------------------------------------------------------------
1237 // selection
1238 // ----------------------------------------------------------------------------
1239
1240 void wxTextCtrl::DoSetSelection(long from, long to, int flags)
1241 {
1242 HWND hWnd = GetHwnd();
1243
1244 #if wxUSE_RICHEDIT
1245 if ( IsRich() )
1246 {
1247 // if from and to are both -1, it means (in wxWidgets) that all text
1248 // should be selected, translate this into Windows convention
1249 if ( (from == -1) && (to == -1) )
1250 {
1251 from = 0;
1252 }
1253
1254 CHARRANGE range;
1255 range.cpMin = from;
1256 range.cpMax = to;
1257 ::SendMessage(hWnd, EM_EXSETSEL, 0, (LPARAM)&range);
1258 }
1259 else
1260 #endif // wxUSE_RICHEDIT
1261 {
1262 wxTextEntry::DoSetSelection(from, to, flags);
1263 }
1264
1265 if ( (flags & SetSel_Scroll) && !IsFrozen() )
1266 {
1267 #if wxUSE_RICHEDIT
1268 // richedit 3.0 (i.e. the version living in riched20.dll distributed
1269 // with Windows 2000 and beyond) doesn't honour EM_SCROLLCARET when
1270 // emulating richedit 2.0 unless the control has focus or ECO_NOHIDESEL
1271 // option is set (but it does work ok in richedit 1.0 mode...)
1272 //
1273 // so to make it work we either need to give focus to it here which
1274 // will probably create many problems (dummy focus events; window
1275 // containing the text control being brought to foreground
1276 // unexpectedly; ...) or to temporarily set ECO_NOHIDESEL which may
1277 // create other problems too -- and in fact it does because if we turn
1278 // on/off this style while appending the text to the control, the
1279 // vertical scrollbar never appears in it even if we append tons of
1280 // text and to work around this the only solution I found was to use
1281 // ES_DISABLENOSCROLL
1282 //
1283 // this is very ugly but I don't see any other way to make this work
1284 long style = 0;
1285 if ( GetRichVersion() > 1 )
1286 {
1287 if ( !HasFlag(wxTE_NOHIDESEL) )
1288 {
1289 // setting ECO_NOHIDESEL also sets WS_VISIBLE and possibly
1290 // others, remember the style so we can reset it later if needed
1291 style = ::GetWindowLong(GetHwnd(), GWL_STYLE);
1292 ::SendMessage(GetHwnd(), EM_SETOPTIONS,
1293 ECOOP_OR, ECO_NOHIDESEL);
1294 }
1295 //else: everything is already ok
1296 }
1297 #endif // wxUSE_RICHEDIT
1298
1299 ::SendMessage(hWnd, EM_SCROLLCARET, 0, (LPARAM)0);
1300
1301 #if wxUSE_RICHEDIT
1302 // restore ECO_NOHIDESEL if we changed it
1303 if ( GetRichVersion() > 1 && !HasFlag(wxTE_NOHIDESEL) )
1304 {
1305 ::SendMessage(GetHwnd(), EM_SETOPTIONS,
1306 ECOOP_AND, ~ECO_NOHIDESEL);
1307 if ( style != ::GetWindowLong(GetHwnd(), GWL_STYLE) )
1308 ::SetWindowLong(GetHwnd(), GWL_STYLE, style);
1309 }
1310 #endif // wxUSE_RICHEDIT
1311 }
1312 }
1313
1314 // ----------------------------------------------------------------------------
1315 // Working with files
1316 // ----------------------------------------------------------------------------
1317
1318 bool wxTextCtrl::DoLoadFile(const wxString& file, int fileType)
1319 {
1320 if ( wxTextCtrlBase::DoLoadFile(file, fileType) )
1321 {
1322 // update the size limit if needed
1323 AdjustSpaceLimit();
1324
1325 return true;
1326 }
1327
1328 return false;
1329 }
1330
1331 // ----------------------------------------------------------------------------
1332 // dirty status
1333 // ----------------------------------------------------------------------------
1334
1335 bool wxTextCtrl::IsModified() const
1336 {
1337 return ::SendMessage(GetHwnd(), EM_GETMODIFY, 0, 0) != 0;
1338 }
1339
1340 void wxTextCtrl::MarkDirty()
1341 {
1342 ::SendMessage(GetHwnd(), EM_SETMODIFY, TRUE, 0);
1343 }
1344
1345 void wxTextCtrl::DiscardEdits()
1346 {
1347 ::SendMessage(GetHwnd(), EM_SETMODIFY, FALSE, 0);
1348 }
1349
1350 // ----------------------------------------------------------------------------
1351 // Positions <-> coords
1352 // ----------------------------------------------------------------------------
1353
1354 int wxTextCtrl::GetNumberOfLines() const
1355 {
1356 return (int)::SendMessage(GetHwnd(), EM_GETLINECOUNT, 0, 0);
1357 }
1358
1359 long wxTextCtrl::XYToPosition(long x, long y) const
1360 {
1361 // This gets the char index for the _beginning_ of this line
1362 long charIndex = ::SendMessage(GetHwnd(), EM_LINEINDEX, y, 0);
1363
1364 return charIndex + x;
1365 }
1366
1367 bool wxTextCtrl::PositionToXY(long pos, long *x, long *y) const
1368 {
1369 HWND hWnd = GetHwnd();
1370
1371 // This gets the line number containing the character
1372 long lineNo;
1373 #if wxUSE_RICHEDIT
1374 if ( IsRich() )
1375 {
1376 lineNo = ::SendMessage(hWnd, EM_EXLINEFROMCHAR, 0, pos);
1377 }
1378 else
1379 #endif // wxUSE_RICHEDIT
1380 {
1381 lineNo = ::SendMessage(hWnd, EM_LINEFROMCHAR, pos, 0);
1382 }
1383
1384 if ( lineNo == -1 )
1385 {
1386 // no such line
1387 return false;
1388 }
1389
1390 // This gets the char index for the _beginning_ of this line
1391 long charIndex = ::SendMessage(hWnd, EM_LINEINDEX, lineNo, 0);
1392 if ( charIndex == -1 )
1393 {
1394 return false;
1395 }
1396
1397 // The X position must therefore be the different between pos and charIndex
1398 if ( x )
1399 *x = pos - charIndex;
1400 if ( y )
1401 *y = lineNo;
1402
1403 return true;
1404 }
1405
1406 wxTextCtrlHitTestResult
1407 wxTextCtrl::HitTest(const wxPoint& pt, long *posOut) const
1408 {
1409 // first get the position from Windows
1410 LPARAM lParam;
1411
1412 #if wxUSE_RICHEDIT
1413 POINTL ptl;
1414 if ( IsRich() )
1415 {
1416 // for rich edit controls the position is passed iva the struct fields
1417 ptl.x = pt.x;
1418 ptl.y = pt.y;
1419 lParam = (LPARAM)&ptl;
1420 }
1421 else
1422 #endif // wxUSE_RICHEDIT
1423 {
1424 // for the plain ones, we are limited to 16 bit positions which are
1425 // combined in a single 32 bit value
1426 lParam = MAKELPARAM(pt.x, pt.y);
1427 }
1428
1429 LRESULT pos = ::SendMessage(GetHwnd(), EM_CHARFROMPOS, 0, lParam);
1430
1431 if ( pos == -1 )
1432 {
1433 // this seems to indicate an error...
1434 return wxTE_HT_UNKNOWN;
1435 }
1436
1437 #if wxUSE_RICHEDIT
1438 if ( !IsRich() )
1439 #endif // wxUSE_RICHEDIT
1440 {
1441 // for plain EDIT controls the higher word contains something else
1442 pos = LOWORD(pos);
1443 }
1444
1445
1446 // next determine where it is relatively to our point: EM_CHARFROMPOS
1447 // always returns the closest character but we need to be more precise, so
1448 // double check that we really are where it pretends
1449 POINTL ptReal;
1450
1451 #if wxUSE_RICHEDIT
1452 // FIXME: we need to distinguish between richedit 2 and 3 here somehow but
1453 // we don't know how to do it
1454 if ( IsRich() )
1455 {
1456 ::SendMessage(GetHwnd(), EM_POSFROMCHAR, (WPARAM)&ptReal, pos);
1457 }
1458 else
1459 #endif // wxUSE_RICHEDIT
1460 {
1461 LRESULT lRc = ::SendMessage(GetHwnd(), EM_POSFROMCHAR, pos, 0);
1462
1463 if ( lRc == -1 )
1464 {
1465 // this is apparently returned when pos corresponds to the last
1466 // position
1467 ptReal.x =
1468 ptReal.y = 0;
1469 }
1470 else
1471 {
1472 ptReal.x = LOWORD(lRc);
1473 ptReal.y = HIWORD(lRc);
1474 }
1475 }
1476
1477 wxTextCtrlHitTestResult rc;
1478
1479 if ( pt.y > ptReal.y + GetCharHeight() )
1480 rc = wxTE_HT_BELOW;
1481 else if ( pt.x > ptReal.x + GetCharWidth() )
1482 rc = wxTE_HT_BEYOND;
1483 else
1484 rc = wxTE_HT_ON_TEXT;
1485
1486 if ( posOut )
1487 *posOut = pos;
1488
1489 return rc;
1490 }
1491
1492 // ----------------------------------------------------------------------------
1493 //
1494 // ----------------------------------------------------------------------------
1495
1496 void wxTextCtrl::ShowPosition(long pos)
1497 {
1498 HWND hWnd = GetHwnd();
1499
1500 // To scroll to a position, we pass the number of lines and characters
1501 // to scroll *by*. This means that we need to:
1502 // (1) Find the line position of the current line.
1503 // (2) Find the line position of pos.
1504 // (3) Scroll by (pos - current).
1505 // For now, ignore the horizontal scrolling.
1506
1507 // Is this where scrolling is relative to - the line containing the caret?
1508 // Or is the first visible line??? Try first visible line.
1509 // int currentLineLineNo1 = (int)::SendMessage(hWnd, EM_LINEFROMCHAR, -1, 0L);
1510
1511 int currentLineLineNo = (int)::SendMessage(hWnd, EM_GETFIRSTVISIBLELINE, 0, 0);
1512
1513 int specifiedLineLineNo = (int)::SendMessage(hWnd, EM_LINEFROMCHAR, pos, 0);
1514
1515 int linesToScroll = specifiedLineLineNo - currentLineLineNo;
1516
1517 if (linesToScroll != 0)
1518 ::SendMessage(hWnd, EM_LINESCROLL, 0, linesToScroll);
1519 }
1520
1521 long wxTextCtrl::GetLengthOfLineContainingPos(long pos) const
1522 {
1523 return ::SendMessage(GetHwnd(), EM_LINELENGTH, pos, 0);
1524 }
1525
1526 int wxTextCtrl::GetLineLength(long lineNo) const
1527 {
1528 long pos = XYToPosition(0, lineNo);
1529
1530 return GetLengthOfLineContainingPos(pos);
1531 }
1532
1533 wxString wxTextCtrl::GetLineText(long lineNo) const
1534 {
1535 size_t len = (size_t)GetLineLength(lineNo) + 1;
1536
1537 // there must be at least enough place for the length WORD in the
1538 // buffer
1539 len += sizeof(WORD);
1540
1541 wxString str;
1542 {
1543 wxStringBufferLength tmp(str, len);
1544 wxChar *buf = tmp;
1545
1546 *(WORD *)buf = (WORD)len;
1547 len = (size_t)::SendMessage(GetHwnd(), EM_GETLINE, lineNo, (LPARAM)buf);
1548
1549 #if wxUSE_RICHEDIT
1550 if ( IsRich() )
1551 {
1552 // remove the '\r' returned by the rich edit control, the user code
1553 // should never see it
1554 if ( buf[len - 2] == wxT('\r') && buf[len - 1] == wxT('\n') )
1555 {
1556 // richedit 1.0 uses "\r\n" as line terminator, so remove "\r"
1557 // here and "\n" below
1558 buf[len - 2] = wxT('\n');
1559 len--;
1560 }
1561 else if ( buf[len - 1] == wxT('\r') )
1562 {
1563 // richedit 2.0+ uses only "\r", replace it with "\n"
1564 buf[len - 1] = wxT('\n');
1565 }
1566 }
1567 #endif // wxUSE_RICHEDIT
1568
1569 // remove the '\n' at the end, if any (this is how this function is
1570 // supposed to work according to the docs)
1571 if ( buf[len - 1] == wxT('\n') )
1572 {
1573 len--;
1574 }
1575
1576 buf[len] = 0;
1577 tmp.SetLength(len);
1578 }
1579
1580 return str;
1581 }
1582
1583 void wxTextCtrl::SetMaxLength(unsigned long len)
1584 {
1585 #if wxUSE_RICHEDIT
1586 if ( IsRich() )
1587 {
1588 ::SendMessage(GetHwnd(), EM_EXLIMITTEXT, 0, len ? len : 0x7fffffff);
1589 }
1590 else
1591 #endif // wxUSE_RICHEDIT
1592 {
1593 wxTextEntry::SetMaxLength(len);
1594 }
1595 }
1596
1597 // ----------------------------------------------------------------------------
1598 // Undo/redo
1599 // ----------------------------------------------------------------------------
1600
1601 void wxTextCtrl::Redo()
1602 {
1603 #if wxUSE_RICHEDIT
1604 if ( GetRichVersion() > 1 )
1605 {
1606 ::SendMessage(GetHwnd(), EM_REDO, 0, 0);
1607 return;
1608 }
1609 #endif // wxUSE_RICHEDIT
1610
1611 wxTextEntry::Redo();
1612 }
1613
1614 bool wxTextCtrl::CanRedo() const
1615 {
1616 #if wxUSE_RICHEDIT
1617 if ( GetRichVersion() > 1 )
1618 return ::SendMessage(GetHwnd(), EM_CANREDO, 0, 0) != 0;
1619 #endif // wxUSE_RICHEDIT
1620
1621 return wxTextEntry::CanRedo();
1622 }
1623
1624 // ----------------------------------------------------------------------------
1625 // caret handling (Windows only)
1626 // ----------------------------------------------------------------------------
1627
1628 bool wxTextCtrl::ShowNativeCaret(bool show)
1629 {
1630 if ( show != m_isNativeCaretShown )
1631 {
1632 if ( !(show ? ::ShowCaret(GetHwnd()) : ::HideCaret(GetHwnd())) )
1633 {
1634 // not an error, may simply indicate that it's not shown/hidden
1635 // yet (i.e. it had been hidden/shown 2 times before)
1636 return false;
1637 }
1638
1639 m_isNativeCaretShown = show;
1640 }
1641
1642 return true;
1643 }
1644
1645 // ----------------------------------------------------------------------------
1646 // implementation details
1647 // ----------------------------------------------------------------------------
1648
1649 void wxTextCtrl::Command(wxCommandEvent & event)
1650 {
1651 SetValue(event.GetString());
1652 ProcessCommand (event);
1653 }
1654
1655 void wxTextCtrl::OnDropFiles(wxDropFilesEvent& event)
1656 {
1657 // By default, load the first file into the text window.
1658 if (event.GetNumberOfFiles() > 0)
1659 {
1660 LoadFile(event.GetFiles()[0]);
1661 }
1662 }
1663
1664 // ----------------------------------------------------------------------------
1665 // kbd input processing
1666 // ----------------------------------------------------------------------------
1667
1668 bool wxTextCtrl::MSWShouldPreProcessMessage(WXMSG* msg)
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 const WPARAM vkey = msg->wParam;
1676 if ( HIWORD(msg->lParam) & KF_ALTDOWN )
1677 {
1678 // Alt-Backspace is accelerator for "Undo"
1679 if ( vkey == VK_BACK )
1680 return false;
1681 }
1682 else // no Alt
1683 {
1684 // we want to process some Ctrl-foo and Shift-bar but no key
1685 // combinations without either Ctrl or Shift nor with both of them
1686 // pressed
1687 const int ctrl = wxIsCtrlDown(),
1688 shift = wxIsShiftDown();
1689 switch ( ctrl + shift )
1690 {
1691 default:
1692 wxFAIL_MSG( wxT("how many modifiers have we got?") );
1693 // fall through
1694
1695 case 0:
1696 if ( IsMultiLine() && vkey == VK_RETURN )
1697 return false;
1698 // fall through
1699 case 2:
1700 break;
1701
1702 case 1:
1703 // either Ctrl or Shift pressed
1704 if ( ctrl )
1705 {
1706 switch ( vkey )
1707 {
1708 case 'C':
1709 case 'V':
1710 case 'X':
1711 case VK_INSERT:
1712 case VK_DELETE:
1713 case VK_HOME:
1714 case VK_END:
1715 return false;
1716 }
1717 }
1718 else // Shift is pressed
1719 {
1720 if ( vkey == VK_INSERT || vkey == VK_DELETE )
1721 return false;
1722 }
1723 }
1724 }
1725 }
1726
1727 return wxControl::MSWShouldPreProcessMessage(msg);
1728 }
1729
1730 void wxTextCtrl::OnChar(wxKeyEvent& event)
1731 {
1732 switch ( event.GetKeyCode() )
1733 {
1734 case WXK_RETURN:
1735 {
1736 wxCommandEvent event(wxEVT_COMMAND_TEXT_ENTER, m_windowId);
1737 InitCommandEvent(event);
1738 event.SetString(GetValue());
1739 if ( HandleWindowEvent(event) )
1740 if ( !HasFlag(wxTE_MULTILINE) )
1741 return;
1742 //else: multiline controls need Enter for themselves
1743 }
1744 break;
1745
1746 case WXK_TAB:
1747 // ok, so this is getting absolutely ridiculous but I don't see
1748 // any other way to fix this bug: when a multiline text control is
1749 // inside a wxFrame, we need to generate the navigation event as
1750 // otherwise nothing happens at all, but when the same control is
1751 // created inside a dialog, IsDialogMessage() *does* switch focus
1752 // all by itself and so if we do it here as well, it is advanced
1753 // twice and goes to the next control... to prevent this from
1754 // happening we're doing this ugly check, the logic being that if
1755 // we don't have focus then it had been already changed to the next
1756 // control
1757 //
1758 // the right thing to do would, of course, be to understand what
1759 // the hell is IsDialogMessage() doing but this is beyond my feeble
1760 // forces at the moment unfortunately
1761 if ( !(m_windowStyle & wxTE_PROCESS_TAB))
1762 {
1763 if ( FindFocus() == this )
1764 {
1765 int flags = 0;
1766 if (!event.ShiftDown())
1767 flags |= wxNavigationKeyEvent::IsForward ;
1768 if (event.ControlDown())
1769 flags |= wxNavigationKeyEvent::WinChange ;
1770 if (Navigate(flags))
1771 return;
1772 }
1773 }
1774 else
1775 {
1776 // Insert tab since calling the default Windows handler
1777 // doesn't seem to do it
1778 WriteText(wxT("\t"));
1779 return;
1780 }
1781 break;
1782 }
1783
1784 // no, we didn't process it
1785 event.Skip();
1786 }
1787
1788 void wxTextCtrl::OnKeyDown(wxKeyEvent& event)
1789 {
1790 // richedit control doesn't send WM_PASTE, WM_CUT and WM_COPY messages
1791 // when Ctrl-V, X or C is pressed and this prevents wxClipboardTextEvent
1792 // from working. So we work around it by intercepting these shortcuts
1793 // ourselves and emitting clipboard events (which richedit will handle,
1794 // so everything works as before, including pasting of rich text):
1795 if ( event.GetModifiers() == wxMOD_CONTROL && IsRich() )
1796 {
1797 switch ( event.GetKeyCode() )
1798 {
1799 case 'C':
1800 Copy();
1801 return;
1802 case 'X':
1803 Cut();
1804 return;
1805 case 'V':
1806 Paste();
1807 return;
1808 default:
1809 break;
1810 }
1811 }
1812
1813 // Default window procedure of multiline edit controls posts WM_CLOSE to
1814 // the parent window when it gets Escape key press for some reason, prevent
1815 // it from doing this as this resulted in dialog boxes being closed on
1816 // Escape even when they shouldn't be (we do handle Escape ourselves
1817 // correctly in the situations when it should close them).
1818 if ( event.GetKeyCode() == WXK_ESCAPE && IsMultiLine() )
1819 return;
1820
1821 // no, we didn't process it
1822 event.Skip();
1823 }
1824
1825 WXLRESULT wxTextCtrl::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam)
1826 {
1827 WXLRESULT lRc = wxTextCtrlBase::MSWWindowProc(nMsg, wParam, lParam);
1828
1829 switch ( nMsg )
1830 {
1831 case WM_GETDLGCODE:
1832 {
1833 // we always want the chars and the arrows: the arrows for
1834 // navigation and the chars because we want Ctrl-C to work even
1835 // in a read only control
1836 long lDlgCode = DLGC_WANTCHARS | DLGC_WANTARROWS;
1837
1838 if ( IsEditable() )
1839 {
1840 // we may have several different cases:
1841 // 1. normal: both TAB and ENTER are used for navigation
1842 // 2. ctrl wants TAB for itself: ENTER is used to pass to
1843 // the next control in the dialog
1844 // 3. ctrl wants ENTER for itself: TAB is used for dialog
1845 // navigation
1846 // 4. ctrl wants both TAB and ENTER: Ctrl-ENTER is used to
1847 // go to the next control (we need some way to do it)
1848
1849 // multiline controls should always get ENTER for themselves
1850 if ( HasFlag(wxTE_PROCESS_ENTER) || HasFlag(wxTE_MULTILINE) )
1851 lDlgCode |= DLGC_WANTMESSAGE;
1852
1853 if ( HasFlag(wxTE_PROCESS_TAB) )
1854 lDlgCode |= DLGC_WANTTAB;
1855
1856 lRc |= lDlgCode;
1857 }
1858 else // !editable
1859 {
1860 // NB: use "=", not "|=" as the base class version returns
1861 // the same flags in the disabled state as usual (i.e.
1862 // including DLGC_WANTMESSAGE). This is strange (how
1863 // does it work in the native Win32 apps?) but for now
1864 // live with it.
1865 lRc = lDlgCode;
1866 }
1867 }
1868 break;
1869
1870 #if wxUSE_MENUS
1871 case WM_SETCURSOR:
1872 // rich text controls seem to have a bug and don't change the
1873 // cursor to the standard arrow one from the I-beam cursor usually
1874 // used by them even when a popup menu is shown (this works fine
1875 // for plain EDIT controls though), so explicitly work around this
1876 if ( IsRich() )
1877 {
1878 extern wxMenu *wxCurrentPopupMenu;
1879 if ( wxCurrentPopupMenu &&
1880 wxCurrentPopupMenu->GetInvokingWindow() == this )
1881 ::SetCursor(GetHcursorOf(*wxSTANDARD_CURSOR));
1882 }
1883 #endif // wxUSE_MENUS
1884 }
1885
1886 return lRc;
1887 }
1888
1889 // ----------------------------------------------------------------------------
1890 // text control event processing
1891 // ----------------------------------------------------------------------------
1892
1893 bool wxTextCtrl::SendUpdateEvent()
1894 {
1895 switch ( m_updatesCount )
1896 {
1897 case 0:
1898 // remember that we've got an update
1899 m_updatesCount++;
1900 break;
1901
1902 case 1:
1903 // we had already sent one event since the last control modification
1904 return false;
1905
1906 default:
1907 wxFAIL_MSG( wxT("unexpected wxTextCtrl::m_updatesCount value") );
1908 // fall through
1909
1910 case -1:
1911 // we hadn't updated the control ourselves, this event comes from
1912 // the user, don't need to ignore it nor update the count
1913 break;
1914
1915 case -2:
1916 // the control was updated programmatically and we do NOT want to
1917 // send events
1918 return false;
1919 }
1920
1921 return SendTextUpdatedEvent();
1922 }
1923
1924 bool wxTextCtrl::MSWCommand(WXUINT param, WXWORD WXUNUSED(id))
1925 {
1926 switch ( param )
1927 {
1928 case EN_CHANGE:
1929 SendUpdateEvent();
1930 break;
1931
1932 case EN_MAXTEXT:
1933 // the text size limit has been hit -- try to increase it
1934 if ( !AdjustSpaceLimit() )
1935 {
1936 wxCommandEvent event(wxEVT_COMMAND_TEXT_MAXLEN, m_windowId);
1937 InitCommandEvent(event);
1938 event.SetString(GetValue());
1939 ProcessCommand(event);
1940 }
1941 break;
1942
1943 // the other edit notification messages are not processed (or, in
1944 // the case of EN_{SET/KILL}FOCUS were already handled at WM_SET/
1945 // KILLFOCUS level)
1946 default:
1947 return false;
1948 }
1949
1950 // processed
1951 return true;
1952 }
1953
1954 WXHBRUSH wxTextCtrl::MSWControlColor(WXHDC hDC, WXHWND hWnd)
1955 {
1956 if ( !IsEnabled() && !HasFlag(wxTE_MULTILINE) )
1957 return MSWControlColorDisabled(hDC);
1958
1959 return wxTextCtrlBase::MSWControlColor(hDC, hWnd);
1960 }
1961
1962 bool wxTextCtrl::HasSpaceLimit(unsigned int *len) const
1963 {
1964 // HACK: we try to automatically extend the limit for the amount of text
1965 // to allow (interactively) entering more than 64Kb of text under
1966 // Win9x but we shouldn't reset the text limit which was previously
1967 // set explicitly with SetMaxLength()
1968 //
1969 // Unfortunately there is no EM_GETLIMITTEXTSETBYUSER and so we don't
1970 // know the limit we set (if any). We could solve this by storing the
1971 // limit we set in wxTextCtrl but to save space we prefer to simply
1972 // test here the actual limit value: we consider that SetMaxLength()
1973 // can only be called for small values while EN_MAXTEXT is only sent
1974 // for large values (in practice the default limit seems to be 30000
1975 // but make it smaller just to be on the safe side)
1976 *len = ::SendMessage(GetHwnd(), EM_GETLIMITTEXT, 0, 0);
1977 return *len < 10001;
1978
1979 }
1980
1981 bool wxTextCtrl::AdjustSpaceLimit()
1982 {
1983 unsigned int limit;
1984 if ( HasSpaceLimit(&limit) )
1985 return false;
1986
1987 unsigned int len = ::GetWindowTextLength(GetHwnd());
1988 if ( len >= limit )
1989 {
1990 // increment in 32Kb chunks
1991 SetMaxLength(len + 0x8000);
1992 }
1993
1994 // we changed the limit
1995 return true;
1996 }
1997
1998 bool wxTextCtrl::AcceptsFocusFromKeyboard() const
1999 {
2000 // we don't want focus if we can't be edited unless we're a multiline
2001 // control because then it might be still nice to get focus from keyboard
2002 // to be able to scroll it without mouse
2003 return (IsEditable() || IsMultiLine()) && wxControl::AcceptsFocus();
2004 }
2005
2006 wxSize wxTextCtrl::DoGetBestSize() const
2007 {
2008 int cx, cy;
2009 wxGetCharSize(GetHWND(), &cx, &cy, GetFont());
2010
2011 int wText = DEFAULT_ITEM_WIDTH;
2012
2013 int hText = cy;
2014 if ( m_windowStyle & wxTE_MULTILINE )
2015 {
2016 hText *= wxMax(wxMin(GetNumberOfLines(), 10), 2);
2017 }
2018 //else: for single line control everything is ok
2019
2020 // we have to add the adjustments for the control height only once, not
2021 // once per line, so do it after multiplication above
2022 hText += EDIT_HEIGHT_FROM_CHAR_HEIGHT(cy) - cy;
2023
2024 return wxSize(wText, hText);
2025 }
2026
2027 // ----------------------------------------------------------------------------
2028 // standard handlers for standard edit menu events
2029 // ----------------------------------------------------------------------------
2030
2031 void wxTextCtrl::OnCut(wxCommandEvent& WXUNUSED(event))
2032 {
2033 Cut();
2034 }
2035
2036 void wxTextCtrl::OnCopy(wxCommandEvent& WXUNUSED(event))
2037 {
2038 Copy();
2039 }
2040
2041 void wxTextCtrl::OnPaste(wxCommandEvent& WXUNUSED(event))
2042 {
2043 Paste();
2044 }
2045
2046 void wxTextCtrl::OnUndo(wxCommandEvent& WXUNUSED(event))
2047 {
2048 Undo();
2049 }
2050
2051 void wxTextCtrl::OnRedo(wxCommandEvent& WXUNUSED(event))
2052 {
2053 Redo();
2054 }
2055
2056 void wxTextCtrl::OnDelete(wxCommandEvent& WXUNUSED(event))
2057 {
2058 RemoveSelection();
2059 }
2060
2061 void wxTextCtrl::OnSelectAll(wxCommandEvent& WXUNUSED(event))
2062 {
2063 SelectAll();
2064 }
2065
2066 void wxTextCtrl::OnUpdateCut(wxUpdateUIEvent& event)
2067 {
2068 event.Enable( CanCut() );
2069 }
2070
2071 void wxTextCtrl::OnUpdateCopy(wxUpdateUIEvent& event)
2072 {
2073 event.Enable( CanCopy() );
2074 }
2075
2076 void wxTextCtrl::OnUpdatePaste(wxUpdateUIEvent& event)
2077 {
2078 event.Enable( CanPaste() );
2079 }
2080
2081 void wxTextCtrl::OnUpdateUndo(wxUpdateUIEvent& event)
2082 {
2083 event.Enable( CanUndo() );
2084 }
2085
2086 void wxTextCtrl::OnUpdateRedo(wxUpdateUIEvent& event)
2087 {
2088 event.Enable( CanRedo() );
2089 }
2090
2091 void wxTextCtrl::OnUpdateDelete(wxUpdateUIEvent& event)
2092 {
2093 event.Enable( HasSelection() && IsEditable() );
2094 }
2095
2096 void wxTextCtrl::OnUpdateSelectAll(wxUpdateUIEvent& event)
2097 {
2098 event.Enable( !IsEmpty() );
2099 }
2100
2101 void wxTextCtrl::OnContextMenu(wxContextMenuEvent& event)
2102 {
2103 #if wxUSE_RICHEDIT
2104 if (IsRich())
2105 {
2106 if (!m_privateContextMenu)
2107 {
2108 m_privateContextMenu = new wxMenu;
2109 m_privateContextMenu->Append(wxID_UNDO, _("&Undo"));
2110 m_privateContextMenu->Append(wxID_REDO, _("&Redo"));
2111 m_privateContextMenu->AppendSeparator();
2112 m_privateContextMenu->Append(wxID_CUT, _("Cu&t"));
2113 m_privateContextMenu->Append(wxID_COPY, _("&Copy"));
2114 m_privateContextMenu->Append(wxID_PASTE, _("&Paste"));
2115 m_privateContextMenu->Append(wxID_CLEAR, _("&Delete"));
2116 m_privateContextMenu->AppendSeparator();
2117 m_privateContextMenu->Append(wxID_SELECTALL, _("Select &All"));
2118 }
2119 PopupMenu(m_privateContextMenu);
2120 return;
2121 }
2122 else
2123 #endif
2124 event.Skip();
2125 }
2126
2127 void wxTextCtrl::OnSetFocus(wxFocusEvent& event)
2128 {
2129 // be sure the caret remains invisible if the user had hidden it
2130 if ( !m_isNativeCaretShown )
2131 {
2132 ::HideCaret(GetHwnd());
2133 }
2134
2135 event.Skip();
2136 }
2137
2138 // the rest of the file only deals with the rich edit controls
2139 #if wxUSE_RICHEDIT
2140
2141 // ----------------------------------------------------------------------------
2142 // EN_LINK processing
2143 // ----------------------------------------------------------------------------
2144
2145 bool wxTextCtrl::MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result)
2146 {
2147 NMHDR *hdr = (NMHDR* )lParam;
2148 switch ( hdr->code )
2149 {
2150 case EN_MSGFILTER:
2151 {
2152 const MSGFILTER *msgf = (MSGFILTER *)lParam;
2153 UINT msg = msgf->msg;
2154
2155 // this is a bit crazy but richedit 1.0 sends us all mouse
2156 // events _except_ WM_LBUTTONUP (don't ask me why) so we have
2157 // generate the wxWin events for this message manually
2158 //
2159 // NB: in fact, this is still not totally correct as it does
2160 // send us WM_LBUTTONUP if the selection was cleared by the
2161 // last click -- so currently we get 2 events in this case,
2162 // but as I don't see any obvious way to check for this I
2163 // leave this code in place because it's still better than
2164 // not getting left up events at all
2165 if ( msg == WM_LBUTTONUP )
2166 {
2167 WXUINT flags = msgf->wParam;
2168 int x = GET_X_LPARAM(msgf->lParam),
2169 y = GET_Y_LPARAM(msgf->lParam);
2170
2171 HandleMouseEvent(msg, x, y, flags);
2172 }
2173 }
2174
2175 // return true to process the event (and false to ignore it)
2176 return true;
2177
2178 case EN_LINK:
2179 {
2180 const ENLINK *enlink = (ENLINK *)hdr;
2181
2182 switch ( enlink->msg )
2183 {
2184 case WM_SETCURSOR:
2185 // ok, so it is hardcoded - do we really nee to
2186 // customize it?
2187 {
2188 wxCursor cur(wxCURSOR_HAND);
2189 ::SetCursor(GetHcursorOf(cur));
2190 *result = TRUE;
2191 break;
2192 }
2193
2194 case WM_MOUSEMOVE:
2195 case WM_LBUTTONDOWN:
2196 case WM_LBUTTONUP:
2197 case WM_LBUTTONDBLCLK:
2198 case WM_RBUTTONDOWN:
2199 case WM_RBUTTONUP:
2200 case WM_RBUTTONDBLCLK:
2201 // send a mouse event
2202 {
2203 static const wxEventType eventsMouse[] =
2204 {
2205 wxEVT_MOTION,
2206 wxEVT_LEFT_DOWN,
2207 wxEVT_LEFT_UP,
2208 wxEVT_LEFT_DCLICK,
2209 wxEVT_RIGHT_DOWN,
2210 wxEVT_RIGHT_UP,
2211 wxEVT_RIGHT_DCLICK,
2212 };
2213
2214 // the event ids are consecutive
2215 wxMouseEvent
2216 evtMouse(eventsMouse[enlink->msg - WM_MOUSEMOVE]);
2217
2218 InitMouseEvent(evtMouse,
2219 GET_X_LPARAM(enlink->lParam),
2220 GET_Y_LPARAM(enlink->lParam),
2221 enlink->wParam);
2222
2223 wxTextUrlEvent event(m_windowId, evtMouse,
2224 enlink->chrg.cpMin,
2225 enlink->chrg.cpMax);
2226
2227 InitCommandEvent(event);
2228
2229 *result = ProcessCommand(event);
2230 }
2231 break;
2232 }
2233 }
2234 return true;
2235 }
2236
2237 // not processed, leave it to the base class
2238 return wxTextCtrlBase::MSWOnNotify(idCtrl, lParam, result);
2239 }
2240
2241 #if wxUSE_DRAG_AND_DROP
2242
2243 void wxTextCtrl::SetDropTarget(wxDropTarget *dropTarget)
2244 {
2245 if ( m_dropTarget == wxRICHTEXT_DEFAULT_DROPTARGET )
2246 {
2247 // get rid of the built-in drop target
2248 ::RevokeDragDrop(GetHwnd());
2249 m_dropTarget = NULL;
2250 }
2251
2252 wxTextCtrlBase::SetDropTarget(dropTarget);
2253 }
2254
2255 #endif // wxUSE_DRAG_AND_DROP
2256
2257 // ----------------------------------------------------------------------------
2258 // colour setting for the rich edit controls
2259 // ----------------------------------------------------------------------------
2260
2261 bool wxTextCtrl::SetBackgroundColour(const wxColour& colour)
2262 {
2263 if ( !wxTextCtrlBase::SetBackgroundColour(colour) )
2264 {
2265 // colour didn't really change
2266 return false;
2267 }
2268
2269 if ( IsRich() )
2270 {
2271 // rich edit doesn't use WM_CTLCOLOR, hence we need to send
2272 // EM_SETBKGNDCOLOR additionally
2273 ::SendMessage(GetHwnd(), EM_SETBKGNDCOLOR, 0, wxColourToRGB(colour));
2274 }
2275
2276 return true;
2277 }
2278
2279 bool wxTextCtrl::SetForegroundColour(const wxColour& colour)
2280 {
2281 if ( !wxTextCtrlBase::SetForegroundColour(colour) )
2282 {
2283 // colour didn't really change
2284 return false;
2285 }
2286
2287 if ( IsRich() )
2288 {
2289 // change the colour of everything
2290 CHARFORMAT cf;
2291 wxZeroMemory(cf);
2292 cf.cbSize = sizeof(cf);
2293 cf.dwMask = CFM_COLOR;
2294 cf.crTextColor = wxColourToRGB(colour);
2295 ::SendMessage(GetHwnd(), EM_SETCHARFORMAT, SCF_ALL, (LPARAM)&cf);
2296 }
2297
2298 return true;
2299 }
2300
2301 bool wxTextCtrl::SetFont(const wxFont& font)
2302 {
2303 if ( !wxTextCtrlBase::SetFont(font) )
2304 return false;
2305
2306 if ( GetRichVersion() >= 4 )
2307 {
2308 // Using WM_SETFONT is not enough with RichEdit 4.1: it does work but
2309 // for ASCII characters only and inserting a non-ASCII one into it
2310 // later reverts to the default font so use EM_SETCHARFORMAT to change
2311 // the default font for it.
2312 wxTextAttr attr;
2313 attr.SetFont(font);
2314 SetStyle(-1, -1, attr);
2315 }
2316
2317 return true;
2318 }
2319
2320 // ----------------------------------------------------------------------------
2321 // styling support for rich edit controls
2322 // ----------------------------------------------------------------------------
2323
2324 bool wxTextCtrl::MSWSetCharFormat(const wxTextAttr& style, long start, long end)
2325 {
2326 // initialize CHARFORMAT struct
2327 #if wxUSE_RICHEDIT2
2328 CHARFORMAT2 cf;
2329 #else
2330 CHARFORMAT cf;
2331 #endif
2332
2333 wxZeroMemory(cf);
2334
2335 // we can't use CHARFORMAT2 with RichEdit 1.0, so pretend it is a simple
2336 // CHARFORMAT in that case
2337 #if wxUSE_RICHEDIT2
2338 if ( m_verRichEdit == 1 )
2339 {
2340 // this is the only thing the control is going to grok
2341 cf.cbSize = sizeof(CHARFORMAT);
2342 }
2343 else
2344 #endif
2345 {
2346 // CHARFORMAT or CHARFORMAT2
2347 cf.cbSize = sizeof(cf);
2348 }
2349
2350 if ( style.HasFont() )
2351 {
2352 // VZ: CFM_CHARSET doesn't seem to do anything at all in RichEdit 2.0
2353 // but using it doesn't seem to hurt neither so leaving it for now
2354
2355 cf.dwMask |= CFM_FACE | CFM_SIZE | CFM_CHARSET |
2356 CFM_ITALIC | CFM_BOLD | CFM_UNDERLINE;
2357
2358 // fill in data from LOGFONT but recalculate lfHeight because we need
2359 // the real height in twips and not the negative number which
2360 // wxFillLogFont() returns (this is correct in general and works with
2361 // the Windows font mapper, but not here)
2362
2363 wxFont font(style.GetFont());
2364
2365 LOGFONT lf;
2366 wxFillLogFont(&lf, &font);
2367 cf.yHeight = 20*font.GetPointSize(); // 1 pt = 20 twips
2368 cf.bCharSet = lf.lfCharSet;
2369 cf.bPitchAndFamily = lf.lfPitchAndFamily;
2370 wxStrlcpy(cf.szFaceName, lf.lfFaceName, WXSIZEOF(cf.szFaceName));
2371
2372 // also deal with underline/italic/bold attributes: note that we must
2373 // always set CFM_ITALIC &c bits in dwMask, even if we don't set the
2374 // style to allow clearing it
2375 if ( lf.lfItalic )
2376 {
2377 cf.dwEffects |= CFE_ITALIC;
2378 }
2379
2380 if ( lf.lfWeight == FW_BOLD )
2381 {
2382 cf.dwEffects |= CFE_BOLD;
2383 }
2384
2385 if ( lf.lfUnderline )
2386 {
2387 cf.dwEffects |= CFE_UNDERLINE;
2388 }
2389
2390 // strikeout fonts are not supported by wxWidgets
2391 }
2392
2393 if ( style.HasTextColour() )
2394 {
2395 cf.dwMask |= CFM_COLOR;
2396 cf.crTextColor = wxColourToRGB(style.GetTextColour());
2397 }
2398
2399 #if wxUSE_RICHEDIT2
2400 if ( m_verRichEdit != 1 && style.HasBackgroundColour() )
2401 {
2402 cf.dwMask |= CFM_BACKCOLOR;
2403 cf.crBackColor = wxColourToRGB(style.GetBackgroundColour());
2404 }
2405 #endif // wxUSE_RICHEDIT2
2406
2407 // Apply the style either to the selection or to the entire control.
2408 WPARAM selMode;
2409 if ( start != -1 || end != -1 )
2410 {
2411 DoSetSelection(start, end, SetSel_NoScroll);
2412 selMode = SCF_SELECTION;
2413 }
2414 else
2415 {
2416 selMode = SCF_ALL;
2417 }
2418
2419 if ( !::SendMessage(GetHwnd(), EM_SETCHARFORMAT, selMode, (LPARAM)&cf) )
2420 {
2421 wxLogLastError(wxT("SendMessage(EM_SETCHARFORMAT)"));
2422 return false;
2423 }
2424
2425 return true;
2426 }
2427
2428 bool wxTextCtrl::MSWSetParaFormat(const wxTextAttr& style, long start, long end)
2429 {
2430 #if wxUSE_RICHEDIT2
2431 PARAFORMAT2 pf;
2432 #else
2433 PARAFORMAT pf;
2434 #endif
2435
2436 wxZeroMemory(pf);
2437
2438 // we can't use PARAFORMAT2 with RichEdit 1.0, so pretend it is a simple
2439 // PARAFORMAT in that case
2440 #if wxUSE_RICHEDIT2
2441 if ( m_verRichEdit == 1 )
2442 {
2443 // this is the only thing the control is going to grok
2444 pf.cbSize = sizeof(PARAFORMAT);
2445 }
2446 else
2447 #endif
2448 {
2449 // PARAFORMAT or PARAFORMAT2
2450 pf.cbSize = sizeof(pf);
2451 }
2452
2453 if (style.HasAlignment())
2454 {
2455 pf.dwMask |= PFM_ALIGNMENT;
2456 if (style.GetAlignment() == wxTEXT_ALIGNMENT_RIGHT)
2457 pf.wAlignment = PFA_RIGHT;
2458 else if (style.GetAlignment() == wxTEXT_ALIGNMENT_CENTRE)
2459 pf.wAlignment = PFA_CENTER;
2460 else if (style.GetAlignment() == wxTEXT_ALIGNMENT_JUSTIFIED)
2461 pf.wAlignment = PFA_JUSTIFY;
2462 else
2463 pf.wAlignment = PFA_LEFT;
2464 }
2465
2466 if (style.HasLeftIndent())
2467 {
2468 pf.dwMask |= PFM_STARTINDENT | PFM_OFFSET;
2469
2470 // Convert from 1/10 mm to TWIPS
2471 pf.dxStartIndent = (int) (((double) style.GetLeftIndent()) * mm2twips / 10.0) ;
2472 pf.dxOffset = (int) (((double) style.GetLeftSubIndent()) * mm2twips / 10.0) ;
2473 }
2474
2475 if (style.HasRightIndent())
2476 {
2477 pf.dwMask |= PFM_RIGHTINDENT;
2478
2479 // Convert from 1/10 mm to TWIPS
2480 pf.dxRightIndent = (int) (((double) style.GetRightIndent()) * mm2twips / 10.0) ;
2481 }
2482
2483 if (style.HasTabs())
2484 {
2485 pf.dwMask |= PFM_TABSTOPS;
2486
2487 const wxArrayInt& tabs = style.GetTabs();
2488
2489 pf.cTabCount = (SHORT)wxMin(tabs.GetCount(), MAX_TAB_STOPS);
2490 size_t i;
2491 for (i = 0; i < (size_t) pf.cTabCount; i++)
2492 {
2493 // Convert from 1/10 mm to TWIPS
2494 pf.rgxTabs[i] = (int) (((double) tabs[i]) * mm2twips / 10.0) ;
2495 }
2496 }
2497
2498 #if wxUSE_RICHEDIT2
2499 if ( m_verRichEdit > 1 )
2500 {
2501 if ( wxTheApp->GetLayoutDirection() == wxLayout_RightToLeft )
2502 {
2503 // Use RTL paragraphs in RTL mode to get proper layout
2504 pf.dwMask |= PFM_RTLPARA;
2505 pf.wEffects |= PFE_RTLPARA;
2506 }
2507 }
2508 #endif // wxUSE_RICHEDIT2
2509
2510 if ( pf.dwMask )
2511 {
2512 // Do format the selection.
2513 DoSetSelection(start, end, SetSel_NoScroll);
2514
2515 if ( !::SendMessage(GetHwnd(), EM_SETPARAFORMAT, 0, (LPARAM) &pf) )
2516 {
2517 wxLogLastError(wxT("SendMessage(EM_SETPARAFORMAT)"));
2518
2519 return false;
2520 }
2521 }
2522
2523 return true;
2524 }
2525
2526 bool wxTextCtrl::SetStyle(long start, long end, const wxTextAttr& style)
2527 {
2528 if ( !IsRich() )
2529 {
2530 // can't do it with normal text control
2531 return false;
2532 }
2533
2534 // the richedit 1.0 doesn't handle setting background colour, so don't
2535 // even try to do anything if it's the only thing we want to change
2536 if ( m_verRichEdit == 1 && !style.HasFont() && !style.HasTextColour() &&
2537 !style.HasLeftIndent() && !style.HasRightIndent() && !style.HasAlignment() &&
2538 !style.HasTabs() )
2539 {
2540 // nothing to do: return true if there was really nothing to do and
2541 // false if we failed to set bg colour
2542 return !style.HasBackgroundColour();
2543 }
2544
2545 // order the range if needed
2546 if ( start > end )
2547 wxSwap(start, end);
2548
2549 // we can only change the format of the selection, so select the range we
2550 // want and restore the old selection later, after MSWSetXXXFormat()
2551 // functions (possibly) change it.
2552 long startOld, endOld;
2553 GetSelection(&startOld, &endOld);
2554
2555 bool ok = MSWSetCharFormat(style, start, end);
2556 if ( !MSWSetParaFormat(style, start, end) )
2557 ok = false;
2558
2559 if ( start != startOld || end != endOld )
2560 {
2561 // restore the original selection
2562 DoSetSelection(startOld, endOld, SetSel_NoScroll);
2563 }
2564
2565 return ok;
2566 }
2567
2568 bool wxTextCtrl::SetDefaultStyle(const wxTextAttr& style)
2569 {
2570 if ( !wxTextCtrlBase::SetDefaultStyle(style) )
2571 return false;
2572
2573 if ( IsEditable() )
2574 {
2575 // we have to do this or the style wouldn't apply for the text typed by
2576 // the user
2577 wxTextPos posLast = GetLastPosition();
2578 SetStyle(posLast, posLast, m_defaultStyle);
2579 }
2580
2581 return true;
2582 }
2583
2584 bool wxTextCtrl::GetStyle(long position, wxTextAttr& style)
2585 {
2586 if ( !IsRich() )
2587 {
2588 // can't do it with normal text control
2589 return false;
2590 }
2591
2592 // initialize CHARFORMAT struct
2593 #if wxUSE_RICHEDIT2
2594 CHARFORMAT2 cf;
2595 #else
2596 CHARFORMAT cf;
2597 #endif
2598
2599 wxZeroMemory(cf);
2600
2601 // we can't use CHARFORMAT2 with RichEdit 1.0, so pretend it is a simple
2602 // CHARFORMAT in that case
2603 #if wxUSE_RICHEDIT2
2604 if ( m_verRichEdit == 1 )
2605 {
2606 // this is the only thing the control is going to grok
2607 cf.cbSize = sizeof(CHARFORMAT);
2608 }
2609 else
2610 #endif
2611 {
2612 // CHARFORMAT or CHARFORMAT2
2613 cf.cbSize = sizeof(cf);
2614 }
2615 // we can only change the format of the selection, so select the range we
2616 // want and restore the old selection later
2617 long startOld, endOld;
2618 GetSelection(&startOld, &endOld);
2619
2620 // but do we really have to change the selection?
2621 bool changeSel = position != startOld || position != endOld;
2622
2623 if ( changeSel )
2624 {
2625 DoSetSelection(position, position + 1, SetSel_NoScroll);
2626 }
2627
2628 // get the selection formatting
2629 (void) ::SendMessage(GetHwnd(), EM_GETCHARFORMAT,
2630 SCF_SELECTION, (LPARAM)&cf) ;
2631
2632
2633 LOGFONT lf;
2634 lf.lfHeight = cf.yHeight;
2635 lf.lfWidth = 0;
2636 lf.lfCharSet = ANSI_CHARSET; // FIXME: how to get correct charset?
2637 lf.lfClipPrecision = 0;
2638 lf.lfEscapement = 0;
2639 wxStrcpy(lf.lfFaceName, cf.szFaceName);
2640
2641 //NOTE: we _MUST_ set each of these values to _something_ since we
2642 //do not call wxZeroMemory on the LOGFONT lf
2643 if (cf.dwEffects & CFE_ITALIC)
2644 lf.lfItalic = TRUE;
2645 else
2646 lf.lfItalic = FALSE;
2647
2648 lf.lfOrientation = 0;
2649 lf.lfPitchAndFamily = cf.bPitchAndFamily;
2650 lf.lfQuality = 0;
2651
2652 if (cf.dwEffects & CFE_STRIKEOUT)
2653 lf.lfStrikeOut = TRUE;
2654 else
2655 lf.lfStrikeOut = FALSE;
2656
2657 if (cf.dwEffects & CFE_UNDERLINE)
2658 lf.lfUnderline = TRUE;
2659 else
2660 lf.lfUnderline = FALSE;
2661
2662 if (cf.dwEffects & CFE_BOLD)
2663 lf.lfWeight = FW_BOLD;
2664 else
2665 lf.lfWeight = FW_NORMAL;
2666
2667 wxFont font = wxCreateFontFromLogFont(& lf);
2668 if (font.IsOk())
2669 {
2670 style.SetFont(font);
2671 }
2672 style.SetTextColour(wxColour(cf.crTextColor));
2673
2674 #if wxUSE_RICHEDIT2
2675 if ( m_verRichEdit != 1 )
2676 {
2677 // cf.dwMask |= CFM_BACKCOLOR;
2678 style.SetBackgroundColour(wxColour(cf.crBackColor));
2679 }
2680 #endif // wxUSE_RICHEDIT2
2681
2682 // now get the paragraph formatting
2683 PARAFORMAT2 pf;
2684 wxZeroMemory(pf);
2685 // we can't use PARAFORMAT2 with RichEdit 1.0, so pretend it is a simple
2686 // PARAFORMAT in that case
2687 #if wxUSE_RICHEDIT2
2688 if ( m_verRichEdit == 1 )
2689 {
2690 // this is the only thing the control is going to grok
2691 pf.cbSize = sizeof(PARAFORMAT);
2692 }
2693 else
2694 #endif
2695 {
2696 // PARAFORMAT or PARAFORMAT2
2697 pf.cbSize = sizeof(pf);
2698 }
2699
2700 // do format the selection
2701 (void) ::SendMessage(GetHwnd(), EM_GETPARAFORMAT, 0, (LPARAM) &pf) ;
2702
2703 style.SetLeftIndent( (int) ((double) pf.dxStartIndent * twips2mm * 10.0), (int) ((double) pf.dxOffset * twips2mm * 10.0) );
2704 style.SetRightIndent( (int) ((double) pf.dxRightIndent * twips2mm * 10.0) );
2705
2706 if (pf.wAlignment == PFA_CENTER)
2707 style.SetAlignment(wxTEXT_ALIGNMENT_CENTRE);
2708 else if (pf.wAlignment == PFA_RIGHT)
2709 style.SetAlignment(wxTEXT_ALIGNMENT_RIGHT);
2710 else if (pf.wAlignment == PFA_JUSTIFY)
2711 style.SetAlignment(wxTEXT_ALIGNMENT_JUSTIFIED);
2712 else
2713 style.SetAlignment(wxTEXT_ALIGNMENT_LEFT);
2714
2715 wxArrayInt tabStops;
2716 size_t i;
2717 for (i = 0; i < (size_t) pf.cTabCount; i++)
2718 {
2719 tabStops.Add( (int) ((double) (pf.rgxTabs[i] & 0xFFFF) * twips2mm * 10.0) );
2720 }
2721
2722 if ( changeSel )
2723 {
2724 // restore the original selection
2725 DoSetSelection(startOld, endOld, SetSel_NoScroll);
2726 }
2727
2728 return true;
2729 }
2730
2731 // ----------------------------------------------------------------------------
2732 // wxRichEditModule
2733 // ----------------------------------------------------------------------------
2734
2735 static const HINSTANCE INVALID_HINSTANCE = (HINSTANCE)-1;
2736
2737 bool wxRichEditModule::OnInit()
2738 {
2739 // don't do anything - we will load it when needed
2740 return true;
2741 }
2742
2743 void wxRichEditModule::OnExit()
2744 {
2745 for ( size_t i = 0; i < WXSIZEOF(ms_hRichEdit); i++ )
2746 {
2747 if ( ms_hRichEdit[i] && ms_hRichEdit[i] != INVALID_HINSTANCE )
2748 {
2749 ::FreeLibrary(ms_hRichEdit[i]);
2750 ms_hRichEdit[i] = NULL;
2751 }
2752 }
2753 #if wxUSE_INKEDIT
2754 if (ms_inkEditLib.IsLoaded())
2755 ms_inkEditLib.Unload();
2756 #endif
2757 }
2758
2759 /* static */
2760 bool wxRichEditModule::Load(Version version)
2761 {
2762 if ( ms_hRichEdit[version] == INVALID_HINSTANCE )
2763 {
2764 // we had already tried to load it and failed
2765 return false;
2766 }
2767
2768 if ( ms_hRichEdit[version] )
2769 {
2770 // we've already got this one
2771 return true;
2772 }
2773
2774 static const wxChar *const dllnames[] =
2775 {
2776 wxT("riched32"),
2777 wxT("riched20"),
2778 wxT("msftedit"),
2779 };
2780
2781 wxCOMPILE_TIME_ASSERT( WXSIZEOF(dllnames) == Version_Max,
2782 RichEditDllNamesVersionsMismatch );
2783
2784 ms_hRichEdit[version] = ::LoadLibrary(dllnames[version]);
2785
2786 if ( !ms_hRichEdit[version] )
2787 {
2788 ms_hRichEdit[version] = INVALID_HINSTANCE;
2789
2790 return false;
2791 }
2792
2793 return true;
2794 }
2795
2796 #if wxUSE_INKEDIT
2797 // load the InkEdit library
2798 bool wxRichEditModule::LoadInkEdit()
2799 {
2800 if (ms_inkEditLibLoadAttemped)
2801 return ms_inkEditLib.IsLoaded();
2802
2803 ms_inkEditLibLoadAttemped = true;
2804
2805 wxLogNull logNull;
2806 return ms_inkEditLib.Load(wxT("inked"));
2807 }
2808 #endif // wxUSE_INKEDIT
2809
2810
2811 #endif // wxUSE_RICHEDIT
2812
2813 #endif // wxUSE_TEXTCTRL && !(__SMARTPHONE__ && __WXWINCE__)