1 /////////////////////////////////////////////////////////////////////////////
2 // Name: msw/textctrl.cpp
4 // Author: Julian Smart
8 // Copyright: (c) Julian Smart
9 // Licence: wxWindows licence
10 /////////////////////////////////////////////////////////////////////////////
12 // ============================================================================
14 // ============================================================================
16 #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
17 #pragma implementation "textctrl.h"
20 // ----------------------------------------------------------------------------
22 // ----------------------------------------------------------------------------
24 // For compilers that support precompilation, includes "wx.h".
25 #include "wx/wxprec.h"
31 #if wxUSE_TEXTCTRL && !(defined(__SMARTPHONE__) && defined(__WXWINCE__))
34 #include "wx/textctrl.h"
35 #include "wx/settings.h"
45 #include "wx/module.h"
48 #include "wx/clipbrd.h"
51 #include "wx/textfile.h"
55 #include "wx/msw/private.h"
56 #include "wx/msw/winundef.h"
62 #include <sys/types.h>
67 // old mingw32 has richedit stuff directly in windows.h and doesn't have
69 #if !defined(__GNUWIN32_OLD__) || defined(__CYGWIN10__)
73 #include "wx/msw/missing.h"
75 #endif // wxUSE_RICHEDIT
77 // ----------------------------------------------------------------------------
79 // ----------------------------------------------------------------------------
83 // this module initializes RichEdit DLL(s) if needed
84 class wxRichEditModule
: public wxModule
89 Version_1
, // riched32.dll
90 Version_2or3
, // both use riched20.dll
91 Version_41
, // msftedit.dll (XP SP1 and Windows 2003)
95 virtual bool OnInit();
96 virtual void OnExit();
98 // load the richedit DLL for the specified version of rich edit
99 static bool Load(Version version
);
102 // the handles to richedit 1.0 and 2.0 (or 3.0) DLLs
103 static HINSTANCE ms_hRichEdit
[Version_Max
];
105 DECLARE_DYNAMIC_CLASS(wxRichEditModule
)
108 HINSTANCE
wxRichEditModule::ms_hRichEdit
[Version_Max
] = { NULL
, NULL
, NULL
};
110 IMPLEMENT_DYNAMIC_CLASS(wxRichEditModule
, wxModule
)
112 #endif // wxUSE_RICHEDIT
114 // a small class used to set m_updatesCount to 0 (to filter duplicate events if
115 // necessary) and to reset it back to -1 afterwards
116 class UpdatesCountFilter
119 UpdatesCountFilter(int& count
)
122 wxASSERT_MSG( m_count
== -1, _T("wrong initial m_updatesCount value") );
127 ~UpdatesCountFilter()
132 // return true if an event has been received
133 bool GotUpdate() const
141 DECLARE_NO_COPY_CLASS(UpdatesCountFilter
)
144 // ----------------------------------------------------------------------------
145 // event tables and other macros
146 // ----------------------------------------------------------------------------
148 #if wxUSE_EXTENDED_RTTI
149 WX_DEFINE_FLAGS( wxTextCtrlStyle
)
151 wxBEGIN_FLAGS( wxTextCtrlStyle
)
152 // new style border flags, we put them first to
153 // use them for streaming out
154 wxFLAGS_MEMBER(wxBORDER_SIMPLE
)
155 wxFLAGS_MEMBER(wxBORDER_SUNKEN
)
156 wxFLAGS_MEMBER(wxBORDER_DOUBLE
)
157 wxFLAGS_MEMBER(wxBORDER_RAISED
)
158 wxFLAGS_MEMBER(wxBORDER_STATIC
)
159 wxFLAGS_MEMBER(wxBORDER_NONE
)
161 // old style border flags
162 wxFLAGS_MEMBER(wxSIMPLE_BORDER
)
163 wxFLAGS_MEMBER(wxSUNKEN_BORDER
)
164 wxFLAGS_MEMBER(wxDOUBLE_BORDER
)
165 wxFLAGS_MEMBER(wxRAISED_BORDER
)
166 wxFLAGS_MEMBER(wxSTATIC_BORDER
)
167 wxFLAGS_MEMBER(wxBORDER
)
169 // standard window styles
170 wxFLAGS_MEMBER(wxTAB_TRAVERSAL
)
171 wxFLAGS_MEMBER(wxCLIP_CHILDREN
)
172 wxFLAGS_MEMBER(wxTRANSPARENT_WINDOW
)
173 wxFLAGS_MEMBER(wxWANTS_CHARS
)
174 wxFLAGS_MEMBER(wxFULL_REPAINT_ON_RESIZE
)
175 wxFLAGS_MEMBER(wxALWAYS_SHOW_SB
)
176 wxFLAGS_MEMBER(wxVSCROLL
)
177 wxFLAGS_MEMBER(wxHSCROLL
)
179 wxFLAGS_MEMBER(wxTE_PROCESS_ENTER
)
180 wxFLAGS_MEMBER(wxTE_PROCESS_TAB
)
181 wxFLAGS_MEMBER(wxTE_MULTILINE
)
182 wxFLAGS_MEMBER(wxTE_PASSWORD
)
183 wxFLAGS_MEMBER(wxTE_READONLY
)
184 wxFLAGS_MEMBER(wxHSCROLL
)
185 wxFLAGS_MEMBER(wxTE_RICH
)
186 wxFLAGS_MEMBER(wxTE_RICH2
)
187 wxFLAGS_MEMBER(wxTE_AUTO_URL
)
188 wxFLAGS_MEMBER(wxTE_NOHIDESEL
)
189 wxFLAGS_MEMBER(wxTE_LEFT
)
190 wxFLAGS_MEMBER(wxTE_CENTRE
)
191 wxFLAGS_MEMBER(wxTE_RIGHT
)
192 wxFLAGS_MEMBER(wxTE_DONTWRAP
)
193 wxFLAGS_MEMBER(wxTE_LINEWRAP
)
194 wxFLAGS_MEMBER(wxTE_WORDWRAP
)
196 wxEND_FLAGS( wxTextCtrlStyle
)
198 IMPLEMENT_DYNAMIC_CLASS_XTI(wxTextCtrl
, wxControl
,"wx/textctrl.h")
200 wxBEGIN_PROPERTIES_TABLE(wxTextCtrl
)
201 wxEVENT_PROPERTY( TextUpdated
, wxEVT_COMMAND_TEXT_UPDATED
, wxCommandEvent
)
202 wxEVENT_PROPERTY( TextEnter
, wxEVT_COMMAND_TEXT_ENTER
, wxCommandEvent
)
204 wxPROPERTY( Font
, wxFont
, SetFont
, GetFont
, EMPTY_MACROVALUE
, 0 /*flags*/ , wxT("Helpstring") , wxT("group") )
205 wxPROPERTY( Value
, wxString
, SetValue
, GetValue
, wxString() , 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
206 wxPROPERTY_FLAGS( WindowStyle
, wxTextCtrlStyle
, long , SetWindowStyleFlag
, GetWindowStyleFlag
, EMPTY_MACROVALUE
, 0 /*flags*/ , wxT("Helpstring") , wxT("group")) // style
207 wxEND_PROPERTIES_TABLE()
209 wxBEGIN_HANDLERS_TABLE(wxTextCtrl
)
210 wxEND_HANDLERS_TABLE()
212 wxCONSTRUCTOR_6( wxTextCtrl
, wxWindow
* , Parent
, wxWindowID
, Id
, wxString
, Value
, wxPoint
, Position
, wxSize
, Size
, long , WindowStyle
)
214 IMPLEMENT_DYNAMIC_CLASS(wxTextCtrl
, wxControl
)
218 BEGIN_EVENT_TABLE(wxTextCtrl
, wxControl
)
219 EVT_CHAR(wxTextCtrl::OnChar
)
220 EVT_DROP_FILES(wxTextCtrl::OnDropFiles
)
223 EVT_CONTEXT_MENU(wxTextCtrl::OnContextMenu
)
226 EVT_MENU(wxID_CUT
, wxTextCtrl::OnCut
)
227 EVT_MENU(wxID_COPY
, wxTextCtrl::OnCopy
)
228 EVT_MENU(wxID_PASTE
, wxTextCtrl::OnPaste
)
229 EVT_MENU(wxID_UNDO
, wxTextCtrl::OnUndo
)
230 EVT_MENU(wxID_REDO
, wxTextCtrl::OnRedo
)
231 EVT_MENU(wxID_CLEAR
, wxTextCtrl::OnDelete
)
232 EVT_MENU(wxID_SELECTALL
, wxTextCtrl::OnSelectAll
)
234 EVT_UPDATE_UI(wxID_CUT
, wxTextCtrl::OnUpdateCut
)
235 EVT_UPDATE_UI(wxID_COPY
, wxTextCtrl::OnUpdateCopy
)
236 EVT_UPDATE_UI(wxID_PASTE
, wxTextCtrl::OnUpdatePaste
)
237 EVT_UPDATE_UI(wxID_UNDO
, wxTextCtrl::OnUpdateUndo
)
238 EVT_UPDATE_UI(wxID_REDO
, wxTextCtrl::OnUpdateRedo
)
239 EVT_UPDATE_UI(wxID_CLEAR
, wxTextCtrl::OnUpdateDelete
)
240 EVT_UPDATE_UI(wxID_SELECTALL
, wxTextCtrl::OnUpdateSelectAll
)
242 EVT_SET_FOCUS(wxTextCtrl::OnSetFocus
)
245 // ============================================================================
247 // ============================================================================
249 // ----------------------------------------------------------------------------
251 // ----------------------------------------------------------------------------
253 void wxTextCtrl::Init()
257 #endif // wxUSE_RICHEDIT
259 m_privateContextMenu
= NULL
;
261 m_isNativeCaretShown
= true;
264 wxTextCtrl::~wxTextCtrl()
266 delete m_privateContextMenu
;
269 bool wxTextCtrl::Create(wxWindow
*parent
, wxWindowID id
,
270 const wxString
& value
,
274 const wxValidator
& validator
,
275 const wxString
& name
)
278 if ((style
& wxBORDER_MASK
) == 0)
279 style
|= wxBORDER_SIMPLE
;
282 // base initialization
283 if ( !CreateControl(parent
, id
, pos
, size
, style
, validator
, name
) )
286 // translate wxWin style flags to MSW ones
287 WXDWORD msStyle
= MSWGetCreateWindowFlags();
289 // do create the control - either an EDIT or RICHEDIT
290 wxString windowClass
= wxT("EDIT");
292 #if defined(__POCKETPC__) || defined(__SMARTPHONE__)
293 // A control that capitalizes the first letter
294 if (style
& wxTE_CAPITALIZE
)
295 windowClass
= wxT("CAPEDIT");
299 if ( m_windowStyle
& wxTE_AUTO_URL
)
301 // automatic URL detection only works in RichEdit 2.0+
302 m_windowStyle
|= wxTE_RICH2
;
305 if ( m_windowStyle
& wxTE_RICH2
)
307 // using richedit 2.0 implies using wxTE_RICH
308 m_windowStyle
|= wxTE_RICH
;
311 // we need to load the richedit DLL before creating the rich edit control
312 if ( m_windowStyle
& wxTE_RICH
)
314 // versions 2.0, 3.0 and 4.1 of rich edit are mostly compatible with
315 // each other but not with version 1.0, so we have separate flags for
316 // the version 1.0 and the others (and so m_verRichEdit may be 0 (plain
317 // EDIT control), 1 for version 1.0 or 2 for any higher version)
319 // notice that 1.0 has no Unicode support at all so in Unicode build we
320 // must use another version
324 #else // !wxUSE_UNICODE
325 m_verRichEdit
= m_windowStyle
& wxTE_RICH2
? 2 : 1;
326 #endif // wxUSE_UNICODE/!wxUSE_UNICODE
328 if ( m_verRichEdit
== 2 )
330 if ( wxRichEditModule::Load(wxRichEditModule::Version_41
) )
332 // yes, class name for version 4.1 really is 5.0
333 windowClass
= _T("RICHEDIT50W");
335 else if ( wxRichEditModule::Load(wxRichEditModule::Version_2or3
) )
337 windowClass
= _T("RichEdit20")
342 #endif // Unicode/ANSI
344 else // failed to load msftedit.dll and riched20.dll
350 if ( m_verRichEdit
== 1 )
352 if ( wxRichEditModule::Load(wxRichEditModule::Version_1
) )
354 windowClass
= _T("RICHEDIT");
356 else // failed to load any richedit control DLL
358 // only give the error msg once if the DLL can't be loaded
359 static bool s_errorGiven
= false; // MT ok as only used by GUI
361 wxLogError(_("Impossible to create a rich edit control, using simple text control instead. Please reinstall riched32.dll"));
369 #endif // wxUSE_RICHEDIT
371 // we need to turn '\n's into "\r\n"s for the multiline controls
373 if ( m_windowStyle
& wxTE_MULTILINE
)
375 valueWin
= wxTextFile::Translate(value
, wxTextFileType_Dos
);
382 if ( !MSWCreateControl(windowClass
, msStyle
, pos
, size
, valueWin
) )
388 // enable the events we're interested in: we want to get EN_CHANGE as
389 // for the normal controls
390 LPARAM mask
= ENM_CHANGE
;
392 if ( GetRichVersion() == 1 )
394 // we also need EN_MSGFILTER for richedit 1.0 for the reasons
395 // explained in its handler
396 mask
|= ENM_MOUSEEVENTS
;
398 // we also need to force the appearance of the vertical scrollbar
399 // initially as otherwise the control doesn't refresh correctly
400 // after resize: but once the vertical scrollbar had been shown
401 // (even if it's subsequently hidden) it does
403 // this is clearly a bug and for now it has been only noticed under
404 // Windows XP, so if we're sure it works correctly under other
405 // systems we could do this only for XP
406 SetSize(-1, 1); // 1 is small enough to force vert scrollbar
409 else if ( m_windowStyle
& wxTE_AUTO_URL
)
413 ::SendMessage(GetHwnd(), EM_AUTOURLDETECT
, TRUE
, 0);
416 ::SendMessage(GetHwnd(), EM_SETEVENTMASK
, 0, mask
);
418 #endif // wxUSE_RICHEDIT
423 // Make sure the window style (etc.) reflects the HWND style (roughly)
424 void wxTextCtrl::AdoptAttributesFromHWND()
426 wxWindow::AdoptAttributesFromHWND();
428 HWND hWnd
= GetHwnd();
429 long style
= ::GetWindowLong(hWnd
, GWL_STYLE
);
431 // retrieve the style to see whether this is an edit or richedit ctrl
433 wxString classname
= wxGetWindowClass(GetHWND());
435 if ( classname
.IsSameAs(_T("EDIT"), false /* no case */) )
442 if ( wxSscanf(classname
, _T("RichEdit%d0%c"), &m_verRichEdit
, &c
) != 2 )
444 wxLogDebug(_T("Unknown edit control '%s'."), classname
.c_str());
449 #endif // wxUSE_RICHEDIT
451 if (style
& ES_MULTILINE
)
452 m_windowStyle
|= wxTE_MULTILINE
;
453 if (style
& ES_PASSWORD
)
454 m_windowStyle
|= wxTE_PASSWORD
;
455 if (style
& ES_READONLY
)
456 m_windowStyle
|= wxTE_READONLY
;
457 if (style
& ES_WANTRETURN
)
458 m_windowStyle
|= wxTE_PROCESS_ENTER
;
459 if (style
& ES_CENTER
)
460 m_windowStyle
|= wxTE_CENTRE
;
461 if (style
& ES_RIGHT
)
462 m_windowStyle
|= wxTE_RIGHT
;
465 WXDWORD
wxTextCtrl::MSWGetStyle(long style
, WXDWORD
*exstyle
) const
467 long msStyle
= wxControl::MSWGetStyle(style
, exstyle
);
469 // styles which we alaways add by default
470 if ( style
& wxTE_MULTILINE
)
472 wxASSERT_MSG( !(style
& wxTE_PROCESS_ENTER
),
473 wxT("wxTE_PROCESS_ENTER style is ignored for multiline text controls (they always process it)") );
475 msStyle
|= ES_MULTILINE
| ES_WANTRETURN
;
476 if ( !(style
& wxTE_NO_VSCROLL
) )
478 // always adjust the vertical scrollbar automatically if we have it
479 msStyle
|= WS_VSCROLL
| ES_AUTOVSCROLL
;
482 // we have to use this style for the rich edit controls because
483 // without it the vertical scrollbar never appears at all in
484 // richedit 3.0 because of our ECO_NOHIDESEL hack (search for it)
485 if ( style
& wxTE_RICH2
)
487 msStyle
|= ES_DISABLENOSCROLL
;
489 #endif // wxUSE_RICHEDIT
492 style
|= wxTE_PROCESS_ENTER
;
496 // there is really no reason to not have this style for single line
498 msStyle
|= ES_AUTOHSCROLL
;
501 // note that wxTE_DONTWRAP is the same as wxHSCROLL so if we have a horz
502 // scrollbar, there is no wrapping -- which makes sense
503 if ( style
& wxTE_DONTWRAP
)
505 // automatically scroll the control horizontally as necessary
507 // NB: ES_AUTOHSCROLL is needed for richedit controls or they don't
508 // show horz scrollbar at all, even in spite of WS_HSCROLL, and as
509 // it doesn't seem to do any harm for plain edit controls, add it
511 msStyle
|= WS_HSCROLL
| ES_AUTOHSCROLL
;
514 if ( style
& wxTE_READONLY
)
515 msStyle
|= ES_READONLY
;
517 if ( style
& wxTE_PASSWORD
)
518 msStyle
|= ES_PASSWORD
;
520 if ( style
& wxTE_NOHIDESEL
)
521 msStyle
|= ES_NOHIDESEL
;
523 // note that we can't do do "& wxTE_LEFT" as wxTE_LEFT == 0
524 if ( style
& wxTE_CENTRE
)
525 msStyle
|= ES_CENTER
;
526 else if ( style
& wxTE_RIGHT
)
529 msStyle
|= ES_LEFT
; // ES_LEFT is 0 as well but for consistency...
534 void wxTextCtrl::SetWindowStyleFlag(long style
)
537 // we have to deal with some styles separately because they can't be
538 // changed by simply calling SetWindowLong(GWL_STYLE) but can be changed
539 // using richedit-specific EM_SETOPTIONS
541 ((style
& wxTE_NOHIDESEL
) != (GetWindowStyle() & wxTE_NOHIDESEL
)) )
543 bool set
= (style
& wxTE_NOHIDESEL
) != 0;
545 ::SendMessage(GetHwnd(), EM_SETOPTIONS
, set
? ECOOP_OR
: ECOOP_AND
,
546 set
? ECO_NOHIDESEL
: ~ECO_NOHIDESEL
);
548 #endif // wxUSE_RICHEDIT
550 wxControl::SetWindowStyleFlag(style
);
553 // ----------------------------------------------------------------------------
554 // set/get the controls text
555 // ----------------------------------------------------------------------------
557 wxString
wxTextCtrl::GetValue() const
559 // range 0..-1 is special for GetRange() and means to retrieve all text
560 return GetRange(0, -1);
563 wxString
wxTextCtrl::GetRange(long from
, long to
) const
567 if ( from
>= to
&& to
!= -1 )
569 // nothing to retrieve
576 int len
= GetWindowTextLength(GetHwnd());
583 // we must use EM_STREAMOUT if we don't want to lose all characters
584 // not representable in the current character set (EM_GETTEXTRANGE
585 // simply replaces them with question marks...)
586 if ( GetRichVersion() > 1 )
588 // we must have some encoding, otherwise any 8bit chars in the
589 // control are simply *lost* (replaced by '?')
590 wxFontEncoding encoding
= wxFONTENCODING_SYSTEM
;
592 wxFont font
= m_defaultStyle
.GetFont();
598 encoding
= font
.GetEncoding();
601 if ( encoding
== wxFONTENCODING_SYSTEM
)
603 encoding
= wxLocale::GetSystemEncoding();
606 if ( encoding
== wxFONTENCODING_SYSTEM
)
608 encoding
= wxFONTENCODING_ISO8859_1
;
611 str
= StreamOut(encoding
);
615 // we have to manually extract the required part, luckily
616 // this is easy in this case as EOL characters in str are
617 // just LFs because we remove CRs in wxRichEditStreamOut
618 str
= str
.Mid(from
, to
- from
);
622 // StreamOut() wasn't used or failed, try to do it in normal way
624 #endif // !wxUSE_UNICODE
626 // alloc one extra WORD as needed by the control
627 wxStringBuffer
tmp(str
, ++len
);
631 textRange
.chrg
.cpMin
= from
;
632 textRange
.chrg
.cpMax
= to
;
633 textRange
.lpstrText
= p
;
635 (void)::SendMessage(GetHwnd(), EM_GETTEXTRANGE
,
636 0, (LPARAM
)&textRange
);
638 if ( m_verRichEdit
> 1 )
640 // RichEdit 2.0 uses just CR ('\r') for the
641 // newlines which is neither Unix nor Windows
642 // style - convert it to something reasonable
645 if ( *p
== _T('\r') )
651 if ( m_verRichEdit
== 1 )
653 // convert to the canonical form - see comment below
654 str
= wxTextFile::Translate(str
, wxTextFileType_Unix
);
657 //else: no text at all, leave the string empty
660 #endif // wxUSE_RICHEDIT
663 str
= wxGetWindowText(GetHWND());
665 // need only a range?
668 str
= str
.Mid(from
, to
- from
);
671 // WM_GETTEXT uses standard DOS CR+LF (\r\n) convention - convert to the
672 // canonical one (same one as above) for consistency with the other kinds
673 // of controls and, more importantly, with the other ports
674 str
= wxTextFile::Translate(str
, wxTextFileType_Unix
);
680 void wxTextCtrl::SetValue(const wxString
& value
)
682 // if the text is long enough, it's faster to just set it instead of first
683 // comparing it with the old one (chances are that it will be different
684 // anyhow, this comparison is there to avoid flicker for small single-line
685 // edit controls mostly)
686 if ( (value
.length() > 0x400) || (value
!= GetValue()) )
688 DoWriteText(value
, false /* not selection only */);
690 // for compatibility, don't move the cursor when doing SetValue()
691 SetInsertionPoint(0);
695 // still send an event for consistency
699 // we should reset the modified flag even if the value didn't really change
701 // mark the control as being not dirty - we changed its text, not the
706 #if wxUSE_RICHEDIT && (!wxUSE_UNICODE || wxUSE_UNICODE_MSLU)
708 // TODO: using memcpy() would improve performance a lot for big amounts of text
711 wxRichEditStreamIn(DWORD dwCookie
, BYTE
*buf
, LONG cb
, LONG
*pcb
)
715 const wchar_t ** const ppws
= (const wchar_t **)dwCookie
;
717 wchar_t *wbuf
= (wchar_t *)buf
;
718 const wchar_t *wpc
= *ppws
;
723 cb
-= sizeof(wchar_t);
724 (*pcb
) += sizeof(wchar_t);
732 // helper struct used to pass parameters from wxTextCtrl to wxRichEditStreamOut
733 struct wxStreamOutData
740 wxRichEditStreamOut(DWORD_PTR dwCookie
, BYTE
*buf
, LONG cb
, LONG
*pcb
)
744 wxStreamOutData
*data
= (wxStreamOutData
*)dwCookie
;
746 const wchar_t *wbuf
= (const wchar_t *)buf
;
747 wchar_t *wpc
= data
->wpc
;
750 wchar_t wch
= *wbuf
++;
752 // turn "\r\n" into "\n" on the fly
758 cb
-= sizeof(wchar_t);
759 (*pcb
) += sizeof(wchar_t);
768 #if wxUSE_UNICODE_MSLU
769 #define UNUSED_IF_MSLU(param)
771 #define UNUSED_IF_MSLU(param) param
775 wxTextCtrl::StreamIn(const wxString
& value
,
776 wxFontEncoding
UNUSED_IF_MSLU(encoding
),
779 #if wxUSE_UNICODE_MSLU
780 const wchar_t *wpc
= value
.c_str();
781 #else // !wxUSE_UNICODE_MSLU
782 wxCSConv
conv(encoding
);
784 const size_t len
= conv
.MB2WC(NULL
, value
, value
.length());
787 wxWCharBuffer
wchBuf(len
);
788 wchar_t *wpc
= wchBuf
.data();
790 wchar_t *wchBuf
= (wchar_t *)malloc((len
+ 1)*sizeof(wchar_t));
791 wchar_t *wpc
= wchBuf
;
794 conv
.MB2WC(wpc
, value
, value
.length());
795 #endif // wxUSE_UNICODE_MSLU
797 // finally, stream it in the control
800 eds
.dwCookie
= (DWORD
)&wpc
;
801 // the cast below is needed for broken (very) old mingw32 headers
802 eds
.pfnCallback
= (EDITSTREAMCALLBACK
)wxRichEditStreamIn
;
804 // same problem as in DoWriteText(): we can get multiple events here
805 UpdatesCountFilter
ucf(m_updatesCount
);
807 ::SendMessage(GetHwnd(), EM_STREAMIN
,
810 (selectionOnly
? SFF_SELECTION
: 0),
813 wxASSERT_MSG( ucf
.GotUpdate(), _T("EM_STREAMIN didn't send EN_UPDATE?") );
817 wxLogLastError(_T("EM_STREAMIN"));
822 #endif // !wxUSE_WCHAR_T
827 #if !wxUSE_UNICODE_MSLU
830 wxTextCtrl::StreamOut(wxFontEncoding encoding
, bool selectionOnly
) const
834 const int len
= GetWindowTextLength(GetHwnd());
837 wxWCharBuffer
wchBuf(len
);
838 wchar_t *wpc
= wchBuf
.data();
840 wchar_t *wchBuf
= (wchar_t *)malloc((len
+ 1)*sizeof(wchar_t));
841 wchar_t *wpc
= wchBuf
;
844 wxStreamOutData data
;
850 eds
.dwCookie
= (DWORD
)&data
;
851 eds
.pfnCallback
= wxRichEditStreamOut
;
857 SF_TEXT
| SF_UNICODE
| (selectionOnly
? SFF_SELECTION
: 0),
863 wxLogLastError(_T("EM_STREAMOUT"));
865 else // streamed out ok
867 // NUL-terminate the string because its length could have been
868 // decreased by wxRichEditStreamOut
869 *(wchBuf
.data() + data
.len
) = L
'\0';
871 // now convert to the given encoding (this is a possibly lossful
872 // conversion but what else can we do)
873 wxCSConv
conv(encoding
);
874 size_t lenNeeded
= conv
.WC2MB(NULL
, wchBuf
, 0);
877 conv
.WC2MB(wxStringBuffer(out
, lenNeeded
), wchBuf
, lenNeeded
);
883 #endif // !wxUSE_WCHAR_T
888 #endif // !wxUSE_UNICODE_MSLU
890 #endif // wxUSE_RICHEDIT
892 void wxTextCtrl::WriteText(const wxString
& value
)
897 void wxTextCtrl::DoWriteText(const wxString
& value
, bool selectionOnly
)
900 if ( m_windowStyle
& wxTE_MULTILINE
)
901 valueDos
= wxTextFile::Translate(value
, wxTextFileType_Dos
);
906 // there are several complications with the rich edit controls here
910 // first, ensure that the new text will be in the default style
911 if ( !m_defaultStyle
.IsDefault() )
914 GetSelection(&start
, &end
);
915 SetStyle(start
, end
, m_defaultStyle
);
918 #if wxUSE_UNICODE_MSLU
919 // RichEdit doesn't have Unicode version of EM_REPLACESEL on Win9x,
920 // but EM_STREAMIN works
921 if ( wxUsingUnicowsDll() && GetRichVersion() > 1 )
923 done
= StreamIn(valueDos
, wxFONTENCODING_SYSTEM
, selectionOnly
);
925 #endif // wxUSE_UNICODE_MSLU
928 // next check if the text we're inserting must be shown in a non
929 // default charset -- this only works for RichEdit > 1.0
930 if ( GetRichVersion() > 1 )
932 wxFont font
= m_defaultStyle
.GetFont();
938 wxFontEncoding encoding
= font
.GetEncoding();
939 if ( encoding
!= wxFONTENCODING_SYSTEM
)
941 // we have to use EM_STREAMIN to force richedit control 2.0+
942 // to show any text in the non default charset -- otherwise
943 // it thinks it knows better than we do and always shows it
944 // in the default one
945 done
= StreamIn(valueDos
, encoding
, selectionOnly
);
949 #endif // !wxUSE_UNICODE
953 #endif // wxUSE_RICHEDIT
955 // in some cases we get 2 EN_CHANGE notifications after the SendMessage
956 // call (this happens for plain EDITs with EM_REPLACESEL and under some
957 // -- undetermined -- conditions with rich edit) and sometimes we don't
958 // get any events at all (plain EDIT with WM_SETTEXT), so ensure that
959 // we generate exactly one of them by ignoring all but the first one in
960 // SendUpdateEvent() and generating one ourselves if we hadn't got any
961 // notifications from Windows
962 UpdatesCountFilter
ucf(m_updatesCount
);
964 ::SendMessage(GetHwnd(), selectionOnly
? EM_REPLACESEL
: WM_SETTEXT
,
965 0, (LPARAM
)valueDos
.c_str());
967 if ( !ucf
.GotUpdate() )
974 void wxTextCtrl::AppendText(const wxString
& text
)
976 SetInsertionPointEnd();
981 // don't do this if we're frozen, saves some time
982 if ( !IsFrozen() && IsMultiLine() && GetRichVersion() > 1 )
984 // setting the caret to the end and showing it simply doesn't work for
985 // RichEdit 2.0 -- force it to still do what we want
986 ::SendMessage(GetHwnd(), EM_LINESCROLL
, 0, GetNumberOfLines());
988 #endif // wxUSE_RICHEDIT
991 void wxTextCtrl::Clear()
993 ::SetWindowText(GetHwnd(), wxEmptyString
);
997 #endif // wxUSE_RICHEDIT
999 // rich edit controls send EN_UPDATE from WM_SETTEXT handler themselves
1000 // but the normal ones don't -- make Clear() behaviour consistent by
1001 // always sending this event
1003 // Windows already sends an update event for single-line
1005 if ( m_windowStyle
& wxTE_MULTILINE
)
1012 bool wxTextCtrl::EmulateKeyPress(const wxKeyEvent
& event
)
1016 size_t lenOld
= GetValue().length();
1018 wxUint32 code
= event
.GetRawKeyCode();
1019 ::keybd_event((BYTE
)code
, 0, 0 /* key press */, 0);
1020 ::keybd_event((BYTE
)code
, 0, KEYEVENTF_KEYUP
, 0);
1022 // assume that any alphanumeric key changes the total number of characters
1023 // in the control - this should work in 99% of cases
1024 return GetValue().length() != lenOld
;
1029 // ----------------------------------------------------------------------------
1030 // Clipboard operations
1031 // ----------------------------------------------------------------------------
1033 void wxTextCtrl::Copy()
1037 ::SendMessage(GetHwnd(), WM_COPY
, 0, 0L);
1041 void wxTextCtrl::Cut()
1045 ::SendMessage(GetHwnd(), WM_CUT
, 0, 0L);
1049 void wxTextCtrl::Paste()
1053 ::SendMessage(GetHwnd(), WM_PASTE
, 0, 0L);
1057 bool wxTextCtrl::HasSelection() const
1060 GetSelection(&from
, &to
);
1064 bool wxTextCtrl::CanCopy() const
1066 // Can copy if there's a selection
1067 return HasSelection();
1070 bool wxTextCtrl::CanCut() const
1072 return CanCopy() && IsEditable();
1075 bool wxTextCtrl::CanPaste() const
1077 if ( !IsEditable() )
1083 UINT cf
= 0; // 0 == any format
1085 return ::SendMessage(GetHwnd(), EM_CANPASTE
, cf
, 0) != 0;
1087 #endif // wxUSE_RICHEDIT
1089 // Standard edit control: check for straight text on clipboard
1090 if ( !::OpenClipboard(GetHwndOf(wxTheApp
->GetTopWindow())) )
1093 bool isTextAvailable
= ::IsClipboardFormatAvailable(CF_TEXT
) != 0;
1096 return isTextAvailable
;
1099 // ----------------------------------------------------------------------------
1101 // ----------------------------------------------------------------------------
1103 void wxTextCtrl::SetEditable(bool editable
)
1105 HWND hWnd
= GetHwnd();
1106 ::SendMessage(hWnd
, EM_SETREADONLY
, (WPARAM
)!editable
, (LPARAM
)0L);
1109 void wxTextCtrl::SetInsertionPoint(long pos
)
1111 DoSetSelection(pos
, pos
);
1114 void wxTextCtrl::SetInsertionPointEnd()
1116 // we must not do anything if the caret is already there because calling
1117 // SetInsertionPoint() thaws the controls if Freeze() had been called even
1118 // if it doesn't actually move the caret anywhere and so the simple fact of
1119 // doing it results in horrible flicker when appending big amounts of text
1120 // to the control in a few chunks (see DoAddText() test in the text sample)
1121 if ( GetInsertionPoint() == GetLastPosition() )
1129 if ( m_verRichEdit
== 1 )
1131 // we don't have to waste time calling GetLastPosition() in this case
1134 else // !RichEdit 1.0
1135 #endif // wxUSE_RICHEDIT
1137 pos
= GetLastPosition();
1140 SetInsertionPoint(pos
);
1143 long wxTextCtrl::GetInsertionPoint() const
1151 ::SendMessage(GetHwnd(), EM_EXGETSEL
, 0, (LPARAM
) &range
);
1154 #endif // wxUSE_RICHEDIT
1156 DWORD Pos
= (DWORD
)::SendMessage(GetHwnd(), EM_GETSEL
, 0, 0L);
1157 return Pos
& 0xFFFF;
1160 wxTextPos
wxTextCtrl::GetLastPosition() const
1162 int numLines
= GetNumberOfLines();
1163 long posStartLastLine
= XYToPosition(0, numLines
- 1);
1165 long lenLastLine
= GetLengthOfLineContainingPos(posStartLastLine
);
1167 return posStartLastLine
+ lenLastLine
;
1170 // If the return values from and to are the same, there is no
1172 void wxTextCtrl::GetSelection(long* from
, long* to
) const
1177 CHARRANGE charRange
;
1178 ::SendMessage(GetHwnd(), EM_EXGETSEL
, 0, (LPARAM
) &charRange
);
1180 *from
= charRange
.cpMin
;
1181 *to
= charRange
.cpMax
;
1184 #endif // !wxUSE_RICHEDIT
1186 DWORD dwStart
, dwEnd
;
1187 ::SendMessage(GetHwnd(), EM_GETSEL
, (WPARAM
)&dwStart
, (LPARAM
)&dwEnd
);
1194 bool wxTextCtrl::IsEditable() const
1196 // strangely enough, we may be called before the control is created: our
1197 // own Create() calls MSWGetStyle() which calls AcceptsFocus() which calls
1202 long style
= ::GetWindowLong(GetHwnd(), GWL_STYLE
);
1204 return (style
& ES_READONLY
) == 0;
1207 // ----------------------------------------------------------------------------
1209 // ----------------------------------------------------------------------------
1211 void wxTextCtrl::SetSelection(long from
, long to
)
1213 // if from and to are both -1, it means (in wxWidgets) that all text should
1214 // be selected - translate into Windows convention
1215 if ( (from
== -1) && (to
== -1) )
1221 DoSetSelection(from
, to
);
1224 void wxTextCtrl::DoSetSelection(long from
, long to
, bool scrollCaret
)
1226 HWND hWnd
= GetHwnd();
1234 ::SendMessage(hWnd
, EM_EXSETSEL
, 0, (LPARAM
) &range
);
1237 #endif // wxUSE_RICHEDIT
1239 ::SendMessage(hWnd
, EM_SETSEL
, (WPARAM
)from
, (LPARAM
)to
);
1242 if ( scrollCaret
&& !IsFrozen() )
1245 // richedit 3.0 (i.e. the version living in riched20.dll distributed
1246 // with Windows 2000 and beyond) doesn't honour EM_SCROLLCARET when
1247 // emulating richedit 2.0 unless the control has focus or ECO_NOHIDESEL
1248 // option is set (but it does work ok in richedit 1.0 mode...)
1250 // so to make it work we either need to give focus to it here which
1251 // will probably create many problems (dummy focus events; window
1252 // containing the text control being brought to foreground
1253 // unexpectedly; ...) or to temporarily set ECO_NOHIDESEL which may
1254 // create other problems too -- and in fact it does because if we turn
1255 // on/off this style while appending the text to the control, the
1256 // vertical scrollbar never appears in it even if we append tons of
1257 // text and to work around this the only solution I found was to use
1258 // ES_DISABLENOSCROLL
1260 // this is very ugly but I don't see any other way to make this work
1261 if ( GetRichVersion() > 1 )
1263 if ( !HasFlag(wxTE_NOHIDESEL
) )
1265 ::SendMessage(GetHwnd(), EM_SETOPTIONS
,
1266 ECOOP_OR
, ECO_NOHIDESEL
);
1268 //else: everything is already ok
1270 #endif // wxUSE_RICHEDIT
1272 ::SendMessage(hWnd
, EM_SCROLLCARET
, (WPARAM
)0, (LPARAM
)0);
1275 // restore ECO_NOHIDESEL if we changed it
1276 if ( GetRichVersion() > 1 && !HasFlag(wxTE_NOHIDESEL
) )
1278 ::SendMessage(GetHwnd(), EM_SETOPTIONS
,
1279 ECOOP_AND
, ~ECO_NOHIDESEL
);
1281 #endif // wxUSE_RICHEDIT
1285 // ----------------------------------------------------------------------------
1286 // Working with files
1287 // ----------------------------------------------------------------------------
1289 bool wxTextCtrl::LoadFile(const wxString
& file
)
1291 if ( wxTextCtrlBase::LoadFile(file
) )
1293 // update the size limit if needed
1302 // ----------------------------------------------------------------------------
1304 // ----------------------------------------------------------------------------
1306 void wxTextCtrl::Replace(long from
, long to
, const wxString
& value
)
1308 // Set selection and remove it
1309 DoSetSelection(from
, to
, false /* don't scroll caret into view */);
1311 DoWriteText(value
, true /* selection only */);
1314 void wxTextCtrl::Remove(long from
, long to
)
1316 Replace(from
, to
, wxEmptyString
);
1319 bool wxTextCtrl::IsModified() const
1321 return ::SendMessage(GetHwnd(), EM_GETMODIFY
, 0, 0) != 0;
1324 void wxTextCtrl::MarkDirty()
1326 ::SendMessage(GetHwnd(), EM_SETMODIFY
, TRUE
, 0L);
1329 void wxTextCtrl::DiscardEdits()
1331 ::SendMessage(GetHwnd(), EM_SETMODIFY
, FALSE
, 0L);
1334 int wxTextCtrl::GetNumberOfLines() const
1336 return (int)::SendMessage(GetHwnd(), EM_GETLINECOUNT
, (WPARAM
)0, (LPARAM
)0);
1339 // ----------------------------------------------------------------------------
1340 // Positions <-> coords
1341 // ----------------------------------------------------------------------------
1343 long wxTextCtrl::XYToPosition(long x
, long y
) const
1345 // This gets the char index for the _beginning_ of this line
1346 long charIndex
= ::SendMessage(GetHwnd(), EM_LINEINDEX
, (WPARAM
)y
, (LPARAM
)0);
1348 return charIndex
+ x
;
1351 bool wxTextCtrl::PositionToXY(long pos
, long *x
, long *y
) const
1353 HWND hWnd
= GetHwnd();
1355 // This gets the line number containing the character
1360 lineNo
= ::SendMessage(hWnd
, EM_EXLINEFROMCHAR
, 0, (LPARAM
)pos
);
1363 #endif // wxUSE_RICHEDIT
1365 lineNo
= ::SendMessage(hWnd
, EM_LINEFROMCHAR
, (WPARAM
)pos
, 0);
1374 // This gets the char index for the _beginning_ of this line
1375 long charIndex
= ::SendMessage(hWnd
, EM_LINEINDEX
, (WPARAM
)lineNo
, (LPARAM
)0);
1376 if ( charIndex
== -1 )
1381 // The X position must therefore be the different between pos and charIndex
1383 *x
= pos
- charIndex
;
1390 wxTextCtrlHitTestResult
1391 wxTextCtrl::HitTest(const wxPoint
& pt
, long *posOut
) const
1393 // first get the position from Windows
1400 // for rich edit controls the position is passed iva the struct fields
1403 lParam
= (LPARAM
)&ptl
;
1406 #endif // wxUSE_RICHEDIT
1408 // for the plain ones, we are limited to 16 bit positions which are
1409 // combined in a single 32 bit value
1410 lParam
= MAKELPARAM(pt
.x
, pt
.y
);
1413 LRESULT pos
= ::SendMessage(GetHwnd(), EM_CHARFROMPOS
, 0, lParam
);
1417 // this seems to indicate an error...
1418 return wxTE_HT_UNKNOWN
;
1423 #endif // wxUSE_RICHEDIT
1425 // for plain EDIT controls the higher word contains something else
1430 // next determine where it is relatively to our point: EM_CHARFROMPOS
1431 // always returns the closest character but we need to be more precise, so
1432 // double check that we really are where it pretends
1436 // FIXME: we need to distinguish between richedit 2 and 3 here somehow but
1437 // we don't know how to do it
1440 ::SendMessage(GetHwnd(), EM_POSFROMCHAR
, (WPARAM
)&ptReal
, pos
);
1443 #endif // wxUSE_RICHEDIT
1445 LRESULT lRc
= ::SendMessage(GetHwnd(), EM_POSFROMCHAR
, pos
, 0);
1449 // this is apparently returned when pos corresponds to the last
1456 ptReal
.x
= LOWORD(lRc
);
1457 ptReal
.y
= HIWORD(lRc
);
1461 wxTextCtrlHitTestResult rc
;
1463 if ( pt
.y
> ptReal
.y
+ GetCharHeight() )
1465 else if ( pt
.x
> ptReal
.x
+ GetCharWidth() )
1466 rc
= wxTE_HT_BEYOND
;
1468 rc
= wxTE_HT_ON_TEXT
;
1476 // ----------------------------------------------------------------------------
1478 // ----------------------------------------------------------------------------
1480 void wxTextCtrl::ShowPosition(long pos
)
1482 HWND hWnd
= GetHwnd();
1484 // To scroll to a position, we pass the number of lines and characters
1485 // to scroll *by*. This means that we need to:
1486 // (1) Find the line position of the current line.
1487 // (2) Find the line position of pos.
1488 // (3) Scroll by (pos - current).
1489 // For now, ignore the horizontal scrolling.
1491 // Is this where scrolling is relative to - the line containing the caret?
1492 // Or is the first visible line??? Try first visible line.
1493 // int currentLineLineNo1 = (int)::SendMessage(hWnd, EM_LINEFROMCHAR, (WPARAM)-1, (LPARAM)0L);
1495 int currentLineLineNo
= (int)::SendMessage(hWnd
, EM_GETFIRSTVISIBLELINE
, (WPARAM
)0, (LPARAM
)0L);
1497 int specifiedLineLineNo
= (int)::SendMessage(hWnd
, EM_LINEFROMCHAR
, (WPARAM
)pos
, (LPARAM
)0L);
1499 int linesToScroll
= specifiedLineLineNo
- currentLineLineNo
;
1501 if (linesToScroll
!= 0)
1502 (void)::SendMessage(hWnd
, EM_LINESCROLL
, (WPARAM
)0, (LPARAM
)linesToScroll
);
1505 long wxTextCtrl::GetLengthOfLineContainingPos(long pos
) const
1507 return ::SendMessage(GetHwnd(), EM_LINELENGTH
, (WPARAM
)pos
, 0);
1510 int wxTextCtrl::GetLineLength(long lineNo
) const
1512 long pos
= XYToPosition(0, lineNo
);
1514 return GetLengthOfLineContainingPos(pos
);
1517 wxString
wxTextCtrl::GetLineText(long lineNo
) const
1519 size_t len
= (size_t)GetLineLength(lineNo
) + 1;
1521 // there must be at least enough place for the length WORD in the
1523 len
+= sizeof(WORD
);
1527 wxStringBufferLength
tmp(str
, len
);
1530 *(WORD
*)buf
= (WORD
)len
;
1531 len
= (size_t)::SendMessage(GetHwnd(), EM_GETLINE
, lineNo
, (LPARAM
)buf
);
1536 // remove the '\r' returned by the rich edit control, the user code
1537 // should never see it
1538 if ( buf
[len
- 2] == _T('\r') && buf
[len
- 1] == _T('\n') )
1540 buf
[len
- 2] = _T('\n');
1544 #endif // wxUSE_RICHEDIT
1546 // remove the '\n' at the end, if any (this is how this function is
1547 // supposed to work according to the docs)
1548 if ( buf
[len
- 1] == _T('\n') )
1560 void wxTextCtrl::SetMaxLength(unsigned long len
)
1565 ::SendMessage(GetHwnd(), EM_EXLIMITTEXT
, 0, len
? len
: 0x7fffffff);
1568 #endif // wxUSE_RICHEDIT
1570 if ( len
>= 0xffff )
1572 // this will set it to a platform-dependent maximum (much more
1573 // than 64Kb under NT)
1577 ::SendMessage(GetHwnd(), EM_LIMITTEXT
, len
, 0);
1581 // ----------------------------------------------------------------------------
1583 // ----------------------------------------------------------------------------
1585 void wxTextCtrl::Undo()
1589 ::SendMessage(GetHwnd(), EM_UNDO
, 0, 0);
1593 void wxTextCtrl::Redo()
1598 if (GetRichVersion() > 1)
1599 ::SendMessage(GetHwnd(), EM_REDO
, 0, 0);
1602 // Same as Undo, since Undo undoes the undo, i.e. a redo.
1603 ::SendMessage(GetHwnd(), EM_UNDO
, 0, 0);
1607 bool wxTextCtrl::CanUndo() const
1609 return ::SendMessage(GetHwnd(), EM_CANUNDO
, 0, 0) != 0;
1612 bool wxTextCtrl::CanRedo() const
1615 if (GetRichVersion() > 1)
1616 return ::SendMessage(GetHwnd(), EM_CANREDO
, 0, 0) != 0;
1619 return ::SendMessage(GetHwnd(), EM_CANUNDO
, 0, 0) != 0;
1622 // ----------------------------------------------------------------------------
1623 // caret handling (Windows only)
1624 // ----------------------------------------------------------------------------
1626 bool wxTextCtrl::ShowNativeCaret(bool show
)
1628 if ( show
!= m_isNativeCaretShown
)
1630 if ( !(show
? ::ShowCaret(GetHwnd()) : ::HideCaret(GetHwnd())) )
1632 // not an error, may simply indicate that it's not shown/hidden
1633 // yet (i.e. it had been hidden/showh 2 times before)
1637 m_isNativeCaretShown
= show
;
1643 // ----------------------------------------------------------------------------
1644 // implemenation details
1645 // ----------------------------------------------------------------------------
1647 void wxTextCtrl::Command(wxCommandEvent
& event
)
1649 SetValue(event
.GetString());
1650 ProcessCommand (event
);
1653 void wxTextCtrl::OnDropFiles(wxDropFilesEvent
& event
)
1655 // By default, load the first file into the text window.
1656 if (event
.GetNumberOfFiles() > 0)
1658 LoadFile(event
.GetFiles()[0]);
1662 // ----------------------------------------------------------------------------
1663 // kbd input processing
1664 // ----------------------------------------------------------------------------
1666 bool wxTextCtrl::MSWShouldPreProcessMessage(WXMSG
* pMsg
)
1668 MSG
*msg
= (MSG
*)pMsg
;
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
)
1675 WORD vkey
= (WORD
) msg
->wParam
;
1676 if ( (HIWORD(msg
->lParam
) & KF_ALTDOWN
) == KF_ALTDOWN
)
1678 if ( vkey
== VK_BACK
)
1683 // we want to process some Ctrl-foo and Shift-bar but no key
1684 // combinations without either Ctrl or Shift nor with both of them
1686 const int ctrl
= wxIsCtrlDown(),
1687 shift
= wxIsShiftDown();
1688 switch ( ctrl
+ shift
)
1691 wxFAIL_MSG( _T("how many modifiers have we got?") );
1699 // either Ctrl or Shift pressed
1714 else // Shift is pressed
1716 if ( vkey
== VK_INSERT
|| vkey
== VK_DELETE
)
1723 return wxControl::MSWShouldPreProcessMessage(pMsg
);
1726 void wxTextCtrl::OnChar(wxKeyEvent
& event
)
1728 switch ( event
.GetKeyCode() )
1731 if ( !HasFlag(wxTE_MULTILINE
) )
1733 wxCommandEvent
event(wxEVT_COMMAND_TEXT_ENTER
, m_windowId
);
1734 InitCommandEvent(event
);
1735 event
.SetString(GetValue());
1736 if ( GetEventHandler()->ProcessEvent(event
) )
1739 //else: multiline controls need Enter for themselves
1744 // ok, so this is getting absolutely ridiculous but I don't see
1745 // any other way to fix this bug: when a multiline text control is
1746 // inside a wxFrame, we need to generate the navigation event as
1747 // otherwise nothing happens at all, but when the same control is
1748 // created inside a dialog, IsDialogMessage() *does* switch focus
1749 // all by itself and so if we do it here as well, it is advanced
1750 // twice and goes to the next control... to prevent this from
1751 // happening we're doing this ugly check, the logic being that if
1752 // we don't have focus then it had been already changed to the next
1755 // the right thing to do would, of course, be to understand what
1756 // the hell is IsDialogMessage() doing but this is beyond my feeble
1757 // forces at the moment unfortunately
1758 if ( !(m_windowStyle
& wxTE_PROCESS_TAB
))
1760 if ( FindFocus() == this )
1763 if (!event
.ShiftDown())
1764 flags
|= wxNavigationKeyEvent::IsForward
;
1765 if (event
.ControlDown())
1766 flags
|= wxNavigationKeyEvent::WinChange
;
1767 if (Navigate(flags
))
1773 // Insert tab since calling the default Windows handler
1774 // doesn't seem to do it
1775 WriteText(wxT("\t"));
1780 // no, we didn't process it
1784 WXLRESULT
wxTextCtrl::MSWWindowProc(WXUINT nMsg
, WXWPARAM wParam
, WXLPARAM lParam
)
1786 WXLRESULT lRc
= wxTextCtrlBase::MSWWindowProc(nMsg
, wParam
, lParam
);
1788 if ( nMsg
== WM_GETDLGCODE
)
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
1793 long lDlgCode
= DLGC_WANTCHARS
| DLGC_WANTARROWS
;
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
1803 // 4. ctrl which wants both TAB and ENTER: Ctrl-ENTER is used to go
1804 // to the next control
1806 // the multiline edit control should always get <Return> for itself
1807 if ( HasFlag(wxTE_PROCESS_ENTER
) || HasFlag(wxTE_MULTILINE
) )
1808 lDlgCode
|= DLGC_WANTMESSAGE
;
1810 if ( HasFlag(wxTE_PROCESS_TAB
) )
1811 lDlgCode
|= DLGC_WANTTAB
;
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.
1828 // ----------------------------------------------------------------------------
1829 // text control event processing
1830 // ----------------------------------------------------------------------------
1832 bool wxTextCtrl::SendUpdateEvent()
1834 switch ( m_updatesCount
)
1837 // remember that we've got an update
1842 // we had already sent one event since the last control modification
1846 wxFAIL_MSG( _T("unexpected wxTextCtrl::m_updatesCount value") );
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
1855 wxCommandEvent
event(wxEVT_COMMAND_TEXT_UPDATED
, GetId());
1856 InitCommandEvent(event
);
1858 return ProcessCommand(event
);
1861 bool wxTextCtrl::MSWCommand(WXUINT param
, WXWORD
WXUNUSED(id
))
1868 wxFocusEvent
event(param
== EN_KILLFOCUS
? wxEVT_KILL_FOCUS
1871 event
.SetEventObject(this);
1872 GetEventHandler()->ProcessEvent(event
);
1881 // the text size limit has been hit -- try to increase it
1882 if ( !AdjustSpaceLimit() )
1884 wxCommandEvent
event(wxEVT_COMMAND_TEXT_MAXLEN
, m_windowId
);
1885 InitCommandEvent(event
);
1886 event
.SetString(GetValue());
1887 ProcessCommand(event
);
1891 // the other edit notification messages are not processed
1900 WXHBRUSH
wxTextCtrl::MSWControlColor(WXHDC hDC
, WXHWND hWnd
)
1902 if ( !IsEnabled() && !HasFlag(wxTE_MULTILINE
) )
1903 return MSWControlColorDisabled(hDC
);
1905 return wxTextCtrlBase::MSWControlColor(hDC
, hWnd
);
1908 bool wxTextCtrl::HasSpaceLimit(unsigned int *len
) const
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()
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;
1927 bool wxTextCtrl::AdjustSpaceLimit()
1930 if ( HasSpaceLimit(&limit
) )
1933 unsigned int len
= ::GetWindowTextLength(GetHwnd());
1936 // increment in 32Kb chunks
1937 SetMaxLength(len
+ 0x8000);
1940 // we changed the limit
1944 bool wxTextCtrl::AcceptsFocus() const
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();
1952 wxSize
wxTextCtrl::DoGetBestSize() const
1955 wxGetCharSize(GetHWND(), &cx
, &cy
, GetFont());
1957 int wText
= DEFAULT_ITEM_WIDTH
;
1960 if ( m_windowStyle
& wxTE_MULTILINE
)
1962 hText
*= wxMax(wxMin(GetNumberOfLines(), 10), 2);
1964 //else: for single line control everything is ok
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
;
1970 return wxSize(wText
, hText
);
1973 // ----------------------------------------------------------------------------
1974 // standard handlers for standard edit menu events
1975 // ----------------------------------------------------------------------------
1977 void wxTextCtrl::OnCut(wxCommandEvent
& WXUNUSED(event
))
1982 void wxTextCtrl::OnCopy(wxCommandEvent
& WXUNUSED(event
))
1987 void wxTextCtrl::OnPaste(wxCommandEvent
& WXUNUSED(event
))
1992 void wxTextCtrl::OnUndo(wxCommandEvent
& WXUNUSED(event
))
1997 void wxTextCtrl::OnRedo(wxCommandEvent
& WXUNUSED(event
))
2002 void wxTextCtrl::OnDelete(wxCommandEvent
& WXUNUSED(event
))
2005 GetSelection(& from
, & to
);
2006 if (from
!= -1 && to
!= -1)
2010 void wxTextCtrl::OnSelectAll(wxCommandEvent
& WXUNUSED(event
))
2012 SetSelection(-1, -1);
2015 void wxTextCtrl::OnUpdateCut(wxUpdateUIEvent
& event
)
2017 event
.Enable( CanCut() );
2020 void wxTextCtrl::OnUpdateCopy(wxUpdateUIEvent
& event
)
2022 event
.Enable( CanCopy() );
2025 void wxTextCtrl::OnUpdatePaste(wxUpdateUIEvent
& event
)
2027 event
.Enable( CanPaste() );
2030 void wxTextCtrl::OnUpdateUndo(wxUpdateUIEvent
& event
)
2032 event
.Enable( CanUndo() );
2035 void wxTextCtrl::OnUpdateRedo(wxUpdateUIEvent
& event
)
2037 event
.Enable( CanRedo() );
2040 void wxTextCtrl::OnUpdateDelete(wxUpdateUIEvent
& event
)
2043 GetSelection(& from
, & to
);
2044 event
.Enable(from
!= -1 && to
!= -1 && from
!= to
&& IsEditable()) ;
2047 void wxTextCtrl::OnUpdateSelectAll(wxUpdateUIEvent
& event
)
2049 event
.Enable(GetLastPosition() > 0);
2052 void wxTextCtrl::OnContextMenu(wxContextMenuEvent
& event
)
2057 if (!m_privateContextMenu
)
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"));
2070 PopupMenu(m_privateContextMenu
);
2078 void wxTextCtrl::OnSetFocus(wxFocusEvent
& WXUNUSED(event
))
2080 // be sure the caret remains invisible if the user had hidden it
2081 if ( !m_isNativeCaretShown
)
2083 ::HideCaret(GetHwnd());
2087 // ----------------------------------------------------------------------------
2088 // Default colors for MSW text control
2090 // Set default background color to the native white instead of
2091 // the default wxSYS_COLOUR_BTNFACE (is triggered with wxNullColour).
2092 // ----------------------------------------------------------------------------
2094 wxVisualAttributes
wxTextCtrl::GetDefaultAttributes() const
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
2104 // the rest of the file only deals with the rich edit controls
2107 // ----------------------------------------------------------------------------
2108 // EN_LINK processing
2109 // ----------------------------------------------------------------------------
2111 bool wxTextCtrl::MSWOnNotify(int idCtrl
, WXLPARAM lParam
, WXLPARAM
*result
)
2113 NMHDR
*hdr
= (NMHDR
* )lParam
;
2114 switch ( hdr
->code
)
2118 const MSGFILTER
*msgf
= (MSGFILTER
*)lParam
;
2119 UINT msg
= msgf
->msg
;
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
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
)
2133 WXUINT flags
= msgf
->wParam
;
2134 int x
= GET_X_LPARAM(msgf
->lParam
),
2135 y
= GET_Y_LPARAM(msgf
->lParam
);
2137 HandleMouseEvent(msg
, x
, y
, flags
);
2141 // return true to process the event (and false to ignore it)
2146 const ENLINK
*enlink
= (ENLINK
*)hdr
;
2148 switch ( enlink
->msg
)
2151 // ok, so it is hardcoded - do we really nee to
2154 wxCursor
cur(wxCURSOR_HAND
);
2155 ::SetCursor(GetHcursorOf(cur
));
2161 case WM_LBUTTONDOWN
:
2163 case WM_LBUTTONDBLCLK
:
2164 case WM_RBUTTONDOWN
:
2166 case WM_RBUTTONDBLCLK
:
2167 // send a mouse event
2169 static const wxEventType eventsMouse
[] =
2180 // the event ids are consecutive
2182 evtMouse(eventsMouse
[enlink
->msg
- WM_MOUSEMOVE
]);
2184 InitMouseEvent(evtMouse
,
2185 GET_X_LPARAM(enlink
->lParam
),
2186 GET_Y_LPARAM(enlink
->lParam
),
2189 wxTextUrlEvent
event(m_windowId
, evtMouse
,
2191 enlink
->chrg
.cpMax
);
2193 InitCommandEvent(event
);
2195 *result
= ProcessCommand(event
);
2203 // not processed, leave it to the base class
2204 return wxTextCtrlBase::MSWOnNotify(idCtrl
, lParam
, result
);
2207 // ----------------------------------------------------------------------------
2208 // colour setting for the rich edit controls
2209 // ----------------------------------------------------------------------------
2211 bool wxTextCtrl::SetBackgroundColour(const wxColour
& colour
)
2213 if ( !wxTextCtrlBase::SetBackgroundColour(colour
) )
2215 // colour didn't really change
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
));
2229 bool wxTextCtrl::SetForegroundColour(const wxColour
& colour
)
2231 if ( !wxTextCtrlBase::SetForegroundColour(colour
) )
2233 // colour didn't really change
2239 // change the colour of everything
2242 cf
.cbSize
= sizeof(cf
);
2243 cf
.dwMask
= CFM_COLOR
;
2244 cf
.crTextColor
= wxColourToRGB(colour
);
2245 ::SendMessage(GetHwnd(), EM_SETCHARFORMAT
, SCF_ALL
, (LPARAM
)&cf
);
2251 // ----------------------------------------------------------------------------
2252 // styling support for rich edit controls
2253 // ----------------------------------------------------------------------------
2257 bool wxTextCtrl::SetStyle(long start
, long end
, const wxTextAttr
& style
)
2261 // can't do it with normal text control
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() &&
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();
2276 // order the range if needed
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
);
2289 // but do we really have to change the selection?
2290 bool changeSel
= start
!= startOld
|| end
!= endOld
;
2294 DoSetSelection(start
, end
, false /* don't scroll caret into view */);
2297 // initialize CHARFORMAT struct
2306 // we can't use CHARFORMAT2 with RichEdit 1.0, so pretend it is a simple
2307 // CHARFORMAT in that case
2309 if ( m_verRichEdit
== 1 )
2311 // this is the only thing the control is going to grok
2312 cf
.cbSize
= sizeof(CHARFORMAT
);
2317 // CHARFORMAT or CHARFORMAT2
2318 cf
.cbSize
= sizeof(cf
);
2321 if ( style
.HasFont() )
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
2326 cf
.dwMask
|= CFM_FACE
| CFM_SIZE
| CFM_CHARSET
|
2327 CFM_ITALIC
| CFM_BOLD
| CFM_UNDERLINE
;
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)
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
) );
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
2345 cf
.dwEffects
|= CFE_ITALIC
;
2348 if ( lf
.lfWeight
== FW_BOLD
)
2350 cf
.dwEffects
|= CFE_BOLD
;
2353 if ( lf
.lfUnderline
)
2355 cf
.dwEffects
|= CFE_UNDERLINE
;
2358 // strikeout fonts are not supported by wxWidgets
2361 if ( style
.HasTextColour() )
2363 cf
.dwMask
|= CFM_COLOR
;
2364 cf
.crTextColor
= wxColourToRGB(style
.GetTextColour());
2368 if ( m_verRichEdit
!= 1 && style
.HasBackgroundColour() )
2370 cf
.dwMask
|= CFM_BACKCOLOR
;
2371 cf
.crBackColor
= wxColourToRGB(style
.GetBackgroundColour());
2373 #endif // wxUSE_RICHEDIT2
2375 // do format the selection
2376 bool ok
= ::SendMessage(GetHwnd(), EM_SETCHARFORMAT
,
2377 SCF_SELECTION
, (LPARAM
)&cf
) != 0;
2380 wxLogDebug(_T("SendMessage(EM_SETCHARFORMAT, SCF_SELECTION) failed"));
2383 // now do the paragraph formatting
2386 // we can't use PARAFORMAT2 with RichEdit 1.0, so pretend it is a simple
2387 // PARAFORMAT in that case
2389 if ( m_verRichEdit
== 1 )
2391 // this is the only thing the control is going to grok
2392 pf
.cbSize
= sizeof(PARAFORMAT
);
2397 // PARAFORMAT or PARAFORMAT2
2398 pf
.cbSize
= sizeof(pf
);
2401 if (style
.HasAlignment())
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
;
2411 pf
.wAlignment
= PFA_LEFT
;
2414 if (style
.HasLeftIndent())
2416 pf
.dwMask
|= PFM_STARTINDENT
| PFM_OFFSET
;
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) ;
2423 if (style
.HasRightIndent())
2425 pf
.dwMask
|= PFM_RIGHTINDENT
;
2427 // Convert from 1/10 mm to TWIPS
2428 pf
.dxRightIndent
= (int) (((double) style
.GetRightIndent()) * mm2twips
/ 10.0) ;
2431 if (style
.HasTabs())
2433 pf
.dwMask
|= PFM_TABSTOPS
;
2435 const wxArrayInt
& tabs
= style
.GetTabs();
2437 pf
.cTabCount
= (SHORT
)wxMin(tabs
.GetCount(), MAX_TAB_STOPS
);
2439 for (i
= 0; i
< (size_t) pf
.cTabCount
; i
++)
2441 // Convert from 1/10 mm to TWIPS
2442 pf
.rgxTabs
[i
] = (int) (((double) tabs
[i
]) * mm2twips
/ 10.0) ;
2448 // do format the selection
2449 bool ok
= ::SendMessage(GetHwnd(), EM_SETPARAFORMAT
,
2450 0, (LPARAM
) &pf
) != 0;
2453 wxLogDebug(_T("SendMessage(EM_SETPARAFORMAT, 0) failed"));
2459 // restore the original selection
2460 DoSetSelection(startOld
, endOld
, false);
2466 bool wxTextCtrl::SetDefaultStyle(const wxTextAttr
& style
)
2468 if ( !wxTextCtrlBase::SetDefaultStyle(style
) )
2473 // we have to do this or the style wouldn't apply for the text typed by
2475 wxTextPos posLast
= GetLastPosition();
2476 SetStyle(posLast
, posLast
, m_defaultStyle
);
2482 bool wxTextCtrl::GetStyle(long position
, wxTextAttr
& style
)
2486 // can't do it with normal text control
2490 // initialize CHARFORMAT struct
2499 // we can't use CHARFORMAT2 with RichEdit 1.0, so pretend it is a simple
2500 // CHARFORMAT in that case
2502 if ( m_verRichEdit
== 1 )
2504 // this is the only thing the control is going to grok
2505 cf
.cbSize
= sizeof(CHARFORMAT
);
2510 // CHARFORMAT or CHARFORMAT2
2511 cf
.cbSize
= sizeof(cf
);
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
);
2518 // but do we really have to change the selection?
2519 bool changeSel
= position
!= startOld
|| position
!= endOld
;
2523 DoSetSelection(position
, position
, false /* don't scroll caret into view */);
2526 // get the selection formatting
2527 (void) ::SendMessage(GetHwnd(), EM_GETCHARFORMAT
,
2528 SCF_SELECTION
, (LPARAM
)&cf
) ;
2532 lf
.lfHeight
= cf
.yHeight
;
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
);
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
)
2544 lf
.lfItalic
= FALSE
;
2546 lf
.lfOrientation
= 0;
2547 lf
.lfPitchAndFamily
= cf
.bPitchAndFamily
;
2550 if (cf
.dwEffects
& CFE_STRIKEOUT
)
2551 lf
.lfStrikeOut
= TRUE
;
2553 lf
.lfStrikeOut
= FALSE
;
2555 if (cf
.dwEffects
& CFE_UNDERLINE
)
2556 lf
.lfUnderline
= TRUE
;
2558 lf
.lfUnderline
= FALSE
;
2560 if (cf
.dwEffects
& CFE_BOLD
)
2561 lf
.lfWeight
= FW_BOLD
;
2563 lf
.lfWeight
= FW_NORMAL
;
2565 wxFont font
= wxCreateFontFromLogFont(& lf
);
2568 style
.SetFont(font
);
2570 style
.SetTextColour(wxColour(cf
.crTextColor
));
2573 if ( m_verRichEdit
!= 1 )
2575 // cf.dwMask |= CFM_BACKCOLOR;
2576 style
.SetBackgroundColour(wxColour(cf
.crBackColor
));
2578 #endif // wxUSE_RICHEDIT2
2580 // now get the paragraph formatting
2583 // we can't use PARAFORMAT2 with RichEdit 1.0, so pretend it is a simple
2584 // PARAFORMAT in that case
2586 if ( m_verRichEdit
== 1 )
2588 // this is the only thing the control is going to grok
2589 pf
.cbSize
= sizeof(PARAFORMAT
);
2594 // PARAFORMAT or PARAFORMAT2
2595 pf
.cbSize
= sizeof(pf
);
2598 // do format the selection
2599 (void) ::SendMessage(GetHwnd(), EM_GETPARAFORMAT
, 0, (LPARAM
) &pf
) ;
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) );
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
);
2611 style
.SetAlignment(wxTEXT_ALIGNMENT_LEFT
);
2613 wxArrayInt tabStops
;
2615 for (i
= 0; i
< (size_t) pf
.cTabCount
; i
++)
2617 tabStops
.Add( (int) ((double) (pf
.rgxTabs
[i
] & 0xFFFF) * twips2mm
* 10.0) );
2622 // restore the original selection
2623 DoSetSelection(startOld
, endOld
, false);
2631 // ----------------------------------------------------------------------------
2633 // ----------------------------------------------------------------------------
2635 static const HINSTANCE INVALID_HINSTANCE
= (HINSTANCE
)-1;
2637 bool wxRichEditModule::OnInit()
2639 // don't do anything - we will load it when needed
2643 void wxRichEditModule::OnExit()
2645 for ( size_t i
= 0; i
< WXSIZEOF(ms_hRichEdit
); i
++ )
2647 if ( ms_hRichEdit
[i
] && ms_hRichEdit
[i
] != INVALID_HINSTANCE
)
2649 ::FreeLibrary(ms_hRichEdit
[i
]);
2650 ms_hRichEdit
[i
] = NULL
;
2656 bool wxRichEditModule::Load(Version version
)
2658 if ( ms_hRichEdit
[version
] == INVALID_HINSTANCE
)
2660 // we had already tried to load it and failed
2664 if ( ms_hRichEdit
[version
] )
2666 // we've already got this one
2670 static const wxChar
*dllnames
[] =
2677 wxCOMPILE_TIME_ASSERT( WXSIZEOF(dllnames
) == Version_Max
,
2678 RichEditDllNamesVersionsMismatch
);
2680 ms_hRichEdit
[version
] = ::LoadLibrary(dllnames
[version
]);
2682 if ( !ms_hRichEdit
[version
] )
2684 ms_hRichEdit
[version
] = INVALID_HINSTANCE
;
2692 #endif // wxUSE_RICHEDIT
2694 #endif // wxUSE_TEXTCTRL && !(__SMARTPHONE__ && __WXWINCE__)