1 /////////////////////////////////////////////////////////////////////////////
2 // Name: src/msw/textctrl.cpp
4 // Author: Julian Smart
8 // Copyright: (c) Julian Smart
9 // Licence: wxWindows licence
10 /////////////////////////////////////////////////////////////////////////////
12 // ============================================================================
14 // ============================================================================
16 // ----------------------------------------------------------------------------
18 // ----------------------------------------------------------------------------
20 // For compilers that support precompilation, includes "wx.h".
21 #include "wx/wxprec.h"
27 #if wxUSE_TEXTCTRL && !(defined(__SMARTPHONE__) && defined(__WXWINCE__))
30 #include "wx/textctrl.h"
31 #include "wx/settings.h"
41 #include "wx/module.h"
42 #include "wx/sysopt.h"
45 #include "wx/clipbrd.h"
48 #include "wx/textfile.h"
52 #include "wx/msw/private.h"
53 #include "wx/msw/winundef.h"
59 #include <sys/types.h>
65 #include "wx/dynlib.h"
68 // old mingw32 has richedit stuff directly in windows.h and doesn't have
70 #if !defined(__GNUWIN32_OLD__) || defined(__CYGWIN10__)
74 #include "wx/msw/missing.h"
76 #endif // wxUSE_RICHEDIT
78 // ----------------------------------------------------------------------------
80 // ----------------------------------------------------------------------------
84 // this module initializes RichEdit DLL(s) if needed
85 class wxRichEditModule
: public wxModule
90 Version_1
, // riched32.dll
91 Version_2or3
, // both use riched20.dll
92 Version_41
, // msftedit.dll (XP SP1 and Windows 2003)
96 virtual bool OnInit();
97 virtual void OnExit();
99 // load the richedit DLL for the specified version of rich edit
100 static bool Load(Version version
);
103 // load the InkEdit library
104 static bool LoadInkEdit();
108 // the handles to richedit 1.0 and 2.0 (or 3.0) DLLs
109 static HINSTANCE ms_hRichEdit
[Version_Max
];
112 static wxDynamicLibrary ms_inkEditLib
;
113 static bool ms_inkEditLibLoadAttemped
;
116 DECLARE_DYNAMIC_CLASS(wxRichEditModule
)
119 HINSTANCE
wxRichEditModule::ms_hRichEdit
[Version_Max
] = { NULL
, NULL
, NULL
};
122 wxDynamicLibrary
wxRichEditModule::ms_inkEditLib
;
123 bool wxRichEditModule::ms_inkEditLibLoadAttemped
= false;
126 IMPLEMENT_DYNAMIC_CLASS(wxRichEditModule
, wxModule
)
128 #endif // wxUSE_RICHEDIT
130 // a small class used to set m_updatesCount to 0 (to filter duplicate events if
131 // necessary) and to reset it back to -1 afterwards
132 class UpdatesCountFilter
135 UpdatesCountFilter(int& count
)
138 wxASSERT_MSG( m_count
== -1, _T("wrong initial m_updatesCount value") );
143 ~UpdatesCountFilter()
148 // return true if an event has been received
149 bool GotUpdate() const
157 DECLARE_NO_COPY_CLASS(UpdatesCountFilter
)
160 // ----------------------------------------------------------------------------
161 // event tables and other macros
162 // ----------------------------------------------------------------------------
164 #if wxUSE_EXTENDED_RTTI
165 WX_DEFINE_FLAGS( wxTextCtrlStyle
)
167 wxBEGIN_FLAGS( wxTextCtrlStyle
)
168 // new style border flags, we put them first to
169 // use them for streaming out
170 wxFLAGS_MEMBER(wxBORDER_SIMPLE
)
171 wxFLAGS_MEMBER(wxBORDER_SUNKEN
)
172 wxFLAGS_MEMBER(wxBORDER_DOUBLE
)
173 wxFLAGS_MEMBER(wxBORDER_RAISED
)
174 wxFLAGS_MEMBER(wxBORDER_STATIC
)
175 wxFLAGS_MEMBER(wxBORDER_NONE
)
177 // old style border flags
178 wxFLAGS_MEMBER(wxSIMPLE_BORDER
)
179 wxFLAGS_MEMBER(wxSUNKEN_BORDER
)
180 wxFLAGS_MEMBER(wxDOUBLE_BORDER
)
181 wxFLAGS_MEMBER(wxRAISED_BORDER
)
182 wxFLAGS_MEMBER(wxSTATIC_BORDER
)
183 wxFLAGS_MEMBER(wxBORDER
)
185 // standard window styles
186 wxFLAGS_MEMBER(wxTAB_TRAVERSAL
)
187 wxFLAGS_MEMBER(wxCLIP_CHILDREN
)
188 wxFLAGS_MEMBER(wxTRANSPARENT_WINDOW
)
189 wxFLAGS_MEMBER(wxWANTS_CHARS
)
190 wxFLAGS_MEMBER(wxFULL_REPAINT_ON_RESIZE
)
191 wxFLAGS_MEMBER(wxALWAYS_SHOW_SB
)
192 wxFLAGS_MEMBER(wxVSCROLL
)
193 wxFLAGS_MEMBER(wxHSCROLL
)
195 wxFLAGS_MEMBER(wxTE_PROCESS_ENTER
)
196 wxFLAGS_MEMBER(wxTE_PROCESS_TAB
)
197 wxFLAGS_MEMBER(wxTE_MULTILINE
)
198 wxFLAGS_MEMBER(wxTE_PASSWORD
)
199 wxFLAGS_MEMBER(wxTE_READONLY
)
200 wxFLAGS_MEMBER(wxHSCROLL
)
201 wxFLAGS_MEMBER(wxTE_RICH
)
202 wxFLAGS_MEMBER(wxTE_RICH2
)
203 wxFLAGS_MEMBER(wxTE_AUTO_URL
)
204 wxFLAGS_MEMBER(wxTE_NOHIDESEL
)
205 wxFLAGS_MEMBER(wxTE_LEFT
)
206 wxFLAGS_MEMBER(wxTE_CENTRE
)
207 wxFLAGS_MEMBER(wxTE_RIGHT
)
208 wxFLAGS_MEMBER(wxTE_DONTWRAP
)
209 wxFLAGS_MEMBER(wxTE_CHARWRAP
)
210 wxFLAGS_MEMBER(wxTE_WORDWRAP
)
212 wxEND_FLAGS( wxTextCtrlStyle
)
214 IMPLEMENT_DYNAMIC_CLASS_XTI(wxTextCtrl
, wxControl
,"wx/textctrl.h")
216 wxBEGIN_PROPERTIES_TABLE(wxTextCtrl
)
217 wxEVENT_PROPERTY( TextUpdated
, wxEVT_COMMAND_TEXT_UPDATED
, wxCommandEvent
)
218 wxEVENT_PROPERTY( TextEnter
, wxEVT_COMMAND_TEXT_ENTER
, wxCommandEvent
)
220 wxPROPERTY( Font
, wxFont
, SetFont
, GetFont
, EMPTY_MACROVALUE
, 0 /*flags*/ , wxT("Helpstring") , wxT("group") )
221 wxPROPERTY( Value
, wxString
, SetValue
, GetValue
, wxString() , 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
222 wxPROPERTY_FLAGS( WindowStyle
, wxTextCtrlStyle
, long , SetWindowStyleFlag
, GetWindowStyleFlag
, EMPTY_MACROVALUE
, 0 /*flags*/ , wxT("Helpstring") , wxT("group")) // style
223 wxEND_PROPERTIES_TABLE()
225 wxBEGIN_HANDLERS_TABLE(wxTextCtrl
)
226 wxEND_HANDLERS_TABLE()
228 wxCONSTRUCTOR_6( wxTextCtrl
, wxWindow
* , Parent
, wxWindowID
, Id
, wxString
, Value
, wxPoint
, Position
, wxSize
, Size
, long , WindowStyle
)
230 IMPLEMENT_DYNAMIC_CLASS(wxTextCtrl
, wxControl
)
234 BEGIN_EVENT_TABLE(wxTextCtrl
, wxControl
)
235 EVT_CHAR(wxTextCtrl::OnChar
)
236 EVT_DROP_FILES(wxTextCtrl::OnDropFiles
)
239 EVT_CONTEXT_MENU(wxTextCtrl::OnContextMenu
)
242 EVT_MENU(wxID_CUT
, wxTextCtrl::OnCut
)
243 EVT_MENU(wxID_COPY
, wxTextCtrl::OnCopy
)
244 EVT_MENU(wxID_PASTE
, wxTextCtrl::OnPaste
)
245 EVT_MENU(wxID_UNDO
, wxTextCtrl::OnUndo
)
246 EVT_MENU(wxID_REDO
, wxTextCtrl::OnRedo
)
247 EVT_MENU(wxID_CLEAR
, wxTextCtrl::OnDelete
)
248 EVT_MENU(wxID_SELECTALL
, wxTextCtrl::OnSelectAll
)
250 EVT_UPDATE_UI(wxID_CUT
, wxTextCtrl::OnUpdateCut
)
251 EVT_UPDATE_UI(wxID_COPY
, wxTextCtrl::OnUpdateCopy
)
252 EVT_UPDATE_UI(wxID_PASTE
, wxTextCtrl::OnUpdatePaste
)
253 EVT_UPDATE_UI(wxID_UNDO
, wxTextCtrl::OnUpdateUndo
)
254 EVT_UPDATE_UI(wxID_REDO
, wxTextCtrl::OnUpdateRedo
)
255 EVT_UPDATE_UI(wxID_CLEAR
, wxTextCtrl::OnUpdateDelete
)
256 EVT_UPDATE_UI(wxID_SELECTALL
, wxTextCtrl::OnUpdateSelectAll
)
258 EVT_SET_FOCUS(wxTextCtrl::OnSetFocus
)
261 // ----------------------------------------------------------------------------
262 // function prototypes
263 // ----------------------------------------------------------------------------
265 LRESULT APIENTRY _EXPORT
wxTextCtrlWndProc(HWND hWnd
,
270 // ---------------------------------------------------------------------------
272 // ---------------------------------------------------------------------------
274 // the pointer to standard text control wnd proc
275 static WNDPROC gs_wndprocEdit
= (WNDPROC
)NULL
;
277 // ============================================================================
279 // ============================================================================
281 // ----------------------------------------------------------------------------
282 // wnd proc for subclassed edit control
283 // ----------------------------------------------------------------------------
285 LRESULT APIENTRY _EXPORT
wxTextCtrlWndProc(HWND hWnd
,
290 wxWindow
*win
= wxFindWinFromHandle((WXHWND
)hWnd
);
297 if( win
->HandleClipboardEvent( message
) )
301 return ::CallWindowProc(CASTWNDPROC gs_wndprocEdit
, hWnd
, message
, wParam
, lParam
);
304 // ----------------------------------------------------------------------------
306 // ----------------------------------------------------------------------------
308 void wxTextCtrl::Init()
312 #endif // wxUSE_RICHEDIT
314 #if wxUSE_INKEDIT && wxUSE_RICHEDIT
318 m_privateContextMenu
= NULL
;
320 m_isNativeCaretShown
= true;
323 wxTextCtrl::~wxTextCtrl()
325 delete m_privateContextMenu
;
328 bool wxTextCtrl::Create(wxWindow
*parent
, wxWindowID id
,
329 const wxString
& value
,
333 const wxValidator
& validator
,
334 const wxString
& name
)
337 if ((style
& wxBORDER_MASK
) == 0)
338 style
|= wxBORDER_SIMPLE
;
341 // base initialization
342 if ( !CreateControl(parent
, id
, pos
, size
, style
, validator
, name
) )
345 // translate wxWin style flags to MSW ones
346 WXDWORD msStyle
= MSWGetCreateWindowFlags();
348 // do create the control - either an EDIT or RICHEDIT
349 wxString windowClass
= wxT("EDIT");
351 #if defined(__POCKETPC__) || defined(__SMARTPHONE__)
352 // A control that capitalizes the first letter
353 if (style
& wxTE_CAPITALIZE
)
354 windowClass
= wxT("CAPEDIT");
358 if ( m_windowStyle
& wxTE_AUTO_URL
)
360 // automatic URL detection only works in RichEdit 2.0+
361 m_windowStyle
|= wxTE_RICH2
;
364 if ( m_windowStyle
& wxTE_RICH2
)
366 // using richedit 2.0 implies using wxTE_RICH
367 m_windowStyle
|= wxTE_RICH
;
370 // we need to load the richedit DLL before creating the rich edit control
371 if ( m_windowStyle
& wxTE_RICH
)
373 // versions 2.0, 3.0 and 4.1 of rich edit are mostly compatible with
374 // each other but not with version 1.0, so we have separate flags for
375 // the version 1.0 and the others (and so m_verRichEdit may be 0 (plain
376 // EDIT control), 1 for version 1.0 or 2 for any higher version)
378 // notice that 1.0 has no Unicode support at all so in Unicode build we
379 // must use another version
383 #else // !wxUSE_UNICODE
384 m_verRichEdit
= m_windowStyle
& wxTE_RICH2
? 2 : 1;
385 #endif // wxUSE_UNICODE/!wxUSE_UNICODE
388 // First test if we can load an ink edit control. Normally, all edit
389 // controls will be made ink edit controls if a tablet environment is
390 // found (or if msw.inkedit != 0 and the InkEd.dll is present).
391 // However, an application can veto ink edit controls by either specifying
392 // msw.inkedit = 0 or by removing wxTE_RICH[2] from the style.
394 if ((wxSystemSettings::HasFeature(wxSYS_TABLET_PRESENT
) || wxSystemOptions::GetOptionInt(wxT("msw.inkedit")) != 0) &&
395 !(wxSystemOptions::HasOption(wxT("msw.inkedit")) && wxSystemOptions::GetOptionInt(wxT("msw.inkedit")) == 0))
397 if (wxRichEditModule::LoadInkEdit())
399 windowClass
= INKEDIT_CLASS
;
401 #if wxUSE_INKEDIT && wxUSE_RICHEDIT
405 // Fake rich text version for other calls
413 if ( m_verRichEdit
== 2 )
415 if ( wxRichEditModule::Load(wxRichEditModule::Version_41
) )
417 // yes, class name for version 4.1 really is 5.0
418 windowClass
= _T("RICHEDIT50W");
420 else if ( wxRichEditModule::Load(wxRichEditModule::Version_2or3
) )
422 windowClass
= _T("RichEdit20")
427 #endif // Unicode/ANSI
429 else // failed to load msftedit.dll and riched20.dll
435 if ( m_verRichEdit
== 1 )
437 if ( wxRichEditModule::Load(wxRichEditModule::Version_1
) )
439 windowClass
= _T("RICHEDIT");
441 else // failed to load any richedit control DLL
443 // only give the error msg once if the DLL can't be loaded
444 static bool s_errorGiven
= false; // MT ok as only used by GUI
448 wxLogError(_("Impossible to create a rich edit control, using simple text control instead. Please reinstall riched32.dll"));
458 #endif // wxUSE_RICHEDIT
460 // we need to turn '\n's into "\r\n"s for the multiline controls
462 if ( m_windowStyle
& wxTE_MULTILINE
)
464 valueWin
= wxTextFile::Translate(value
, wxTextFileType_Dos
);
471 if ( !MSWCreateControl(windowClass
, msStyle
, pos
, size
, valueWin
) )
480 // Pass IEM_InsertText (0) as wParam, in order to have the ink always
481 // converted to text.
482 ::SendMessage(GetHwnd(), EM_SETINKINSERTMODE
, 0, 0);
484 // Make sure the mouse can be used for input
485 ::SendMessage(GetHwnd(), EM_SETUSEMOUSEFORINPUT
, 1, 0);
489 // enable the events we're interested in: we want to get EN_CHANGE as
490 // for the normal controls
491 LPARAM mask
= ENM_CHANGE
;
493 if (GetRichVersion() == 1 && !IsInkEdit())
495 // we also need EN_MSGFILTER for richedit 1.0 for the reasons
496 // explained in its handler
497 mask
|= ENM_MOUSEEVENTS
;
499 // we also need to force the appearance of the vertical scrollbar
500 // initially as otherwise the control doesn't refresh correctly
501 // after resize: but once the vertical scrollbar had been shown
502 // (even if it's subsequently hidden) it does
504 // this is clearly a bug and for now it has been only noticed under
505 // Windows XP, so if we're sure it works correctly under other
506 // systems we could do this only for XP
507 SetSize(-1, 1); // 1 is small enough to force vert scrollbar
510 else if ( m_windowStyle
& wxTE_AUTO_URL
)
514 ::SendMessage(GetHwnd(), EM_AUTOURLDETECT
, TRUE
, 0);
517 ::SendMessage(GetHwnd(), EM_SETEVENTMASK
, 0, mask
);
519 #endif // wxUSE_RICHEDIT
521 gs_wndprocEdit
= wxSetWindowProc((HWND
)GetHwnd(),
527 // Make sure the window style (etc.) reflects the HWND style (roughly)
528 void wxTextCtrl::AdoptAttributesFromHWND()
530 wxWindow::AdoptAttributesFromHWND();
532 HWND hWnd
= GetHwnd();
533 long style
= ::GetWindowLong(hWnd
, GWL_STYLE
);
535 // retrieve the style to see whether this is an edit or richedit ctrl
537 wxString classname
= wxGetWindowClass(GetHWND());
539 if ( classname
.IsSameAs(_T("EDIT"), false /* no case */) )
546 if ( wxSscanf(classname
, _T("RichEdit%d0%c"), &m_verRichEdit
, &c
) != 2 )
548 wxLogDebug(_T("Unknown edit control '%s'."), classname
.c_str());
553 #endif // wxUSE_RICHEDIT
555 if (style
& ES_MULTILINE
)
556 m_windowStyle
|= wxTE_MULTILINE
;
557 if (style
& ES_PASSWORD
)
558 m_windowStyle
|= wxTE_PASSWORD
;
559 if (style
& ES_READONLY
)
560 m_windowStyle
|= wxTE_READONLY
;
561 if (style
& ES_WANTRETURN
)
562 m_windowStyle
|= wxTE_PROCESS_ENTER
;
563 if (style
& ES_CENTER
)
564 m_windowStyle
|= wxTE_CENTRE
;
565 if (style
& ES_RIGHT
)
566 m_windowStyle
|= wxTE_RIGHT
;
569 WXDWORD
wxTextCtrl::MSWGetStyle(long style
, WXDWORD
*exstyle
) const
571 long msStyle
= wxControl::MSWGetStyle(style
, exstyle
);
573 // styles which we alaways add by default
574 if ( style
& wxTE_MULTILINE
)
576 wxASSERT_MSG( !(style
& wxTE_PROCESS_ENTER
),
577 wxT("wxTE_PROCESS_ENTER style is ignored for multiline text controls (they always process it)") );
579 msStyle
|= ES_MULTILINE
| ES_WANTRETURN
;
580 if ( !(style
& wxTE_NO_VSCROLL
) )
582 // always adjust the vertical scrollbar automatically if we have it
583 msStyle
|= WS_VSCROLL
| ES_AUTOVSCROLL
;
586 // we have to use this style for the rich edit controls because
587 // without it the vertical scrollbar never appears at all in
588 // richedit 3.0 because of our ECO_NOHIDESEL hack (search for it)
589 if ( style
& wxTE_RICH2
)
591 msStyle
|= ES_DISABLENOSCROLL
;
593 #endif // wxUSE_RICHEDIT
596 style
|= wxTE_PROCESS_ENTER
;
600 // there is really no reason to not have this style for single line
602 msStyle
|= ES_AUTOHSCROLL
;
605 // note that wxTE_DONTWRAP is the same as wxHSCROLL so if we have a horz
606 // scrollbar, there is no wrapping -- which makes sense
607 if ( style
& wxTE_DONTWRAP
)
609 // automatically scroll the control horizontally as necessary
611 // NB: ES_AUTOHSCROLL is needed for richedit controls or they don't
612 // show horz scrollbar at all, even in spite of WS_HSCROLL, and as
613 // it doesn't seem to do any harm for plain edit controls, add it
615 msStyle
|= WS_HSCROLL
| ES_AUTOHSCROLL
;
618 if ( style
& wxTE_READONLY
)
619 msStyle
|= ES_READONLY
;
621 if ( style
& wxTE_PASSWORD
)
622 msStyle
|= ES_PASSWORD
;
624 if ( style
& wxTE_NOHIDESEL
)
625 msStyle
|= ES_NOHIDESEL
;
627 // note that we can't do do "& wxTE_LEFT" as wxTE_LEFT == 0
628 if ( style
& wxTE_CENTRE
)
629 msStyle
|= ES_CENTER
;
630 else if ( style
& wxTE_RIGHT
)
633 msStyle
|= ES_LEFT
; // ES_LEFT is 0 as well but for consistency...
638 void wxTextCtrl::SetWindowStyleFlag(long style
)
641 // we have to deal with some styles separately because they can't be
642 // changed by simply calling SetWindowLong(GWL_STYLE) but can be changed
643 // using richedit-specific EM_SETOPTIONS
645 ((style
& wxTE_NOHIDESEL
) != (GetWindowStyle() & wxTE_NOHIDESEL
)) )
647 bool set
= (style
& wxTE_NOHIDESEL
) != 0;
649 ::SendMessage(GetHwnd(), EM_SETOPTIONS
, set
? ECOOP_OR
: ECOOP_AND
,
650 set
? ECO_NOHIDESEL
: ~ECO_NOHIDESEL
);
652 #endif // wxUSE_RICHEDIT
654 wxControl::SetWindowStyleFlag(style
);
657 // ----------------------------------------------------------------------------
658 // set/get the controls text
659 // ----------------------------------------------------------------------------
661 wxString
wxTextCtrl::GetValue() const
663 // range 0..-1 is special for GetRange() and means to retrieve all text
664 return GetRange(0, -1);
667 wxString
wxTextCtrl::GetRange(long from
, long to
) const
671 if ( from
>= to
&& to
!= -1 )
673 // nothing to retrieve
680 int len
= GetWindowTextLength(GetHwnd());
687 // we must use EM_STREAMOUT if we don't want to lose all characters
688 // not representable in the current character set (EM_GETTEXTRANGE
689 // simply replaces them with question marks...)
690 if ( GetRichVersion() > 1 )
692 // we must have some encoding, otherwise any 8bit chars in the
693 // control are simply *lost* (replaced by '?')
694 wxFontEncoding encoding
= wxFONTENCODING_SYSTEM
;
696 wxFont font
= m_defaultStyle
.GetFont();
702 encoding
= font
.GetEncoding();
705 if ( encoding
== wxFONTENCODING_SYSTEM
)
707 encoding
= wxLocale::GetSystemEncoding();
710 if ( encoding
== wxFONTENCODING_SYSTEM
)
712 encoding
= wxFONTENCODING_ISO8859_1
;
715 str
= StreamOut(encoding
);
719 // we have to manually extract the required part, luckily
720 // this is easy in this case as EOL characters in str are
721 // just LFs because we remove CRs in wxRichEditStreamOut
722 str
= str
.Mid(from
, to
- from
);
726 // StreamOut() wasn't used or failed, try to do it in normal way
728 #endif // !wxUSE_UNICODE
730 // alloc one extra WORD as needed by the control
731 wxStringBuffer
tmp(str
, ++len
);
735 textRange
.chrg
.cpMin
= from
;
736 textRange
.chrg
.cpMax
= to
;
737 textRange
.lpstrText
= p
;
739 (void)::SendMessage(GetHwnd(), EM_GETTEXTRANGE
,
740 0, (LPARAM
)&textRange
);
742 if ( m_verRichEdit
> 1 )
744 // RichEdit 2.0 uses just CR ('\r') for the
745 // newlines which is neither Unix nor Windows
746 // style - convert it to something reasonable
749 if ( *p
== _T('\r') )
755 if ( m_verRichEdit
== 1 )
757 // convert to the canonical form - see comment below
758 str
= wxTextFile::Translate(str
, wxTextFileType_Unix
);
761 //else: no text at all, leave the string empty
764 #endif // wxUSE_RICHEDIT
767 str
= wxGetWindowText(GetHWND());
769 // need only a range?
772 str
= str
.Mid(from
, to
- from
);
775 // WM_GETTEXT uses standard DOS CR+LF (\r\n) convention - convert to the
776 // canonical one (same one as above) for consistency with the other kinds
777 // of controls and, more importantly, with the other ports
778 str
= wxTextFile::Translate(str
, wxTextFileType_Unix
);
784 void wxTextCtrl::SetValue(const wxString
& value
)
786 // if the text is long enough, it's faster to just set it instead of first
787 // comparing it with the old one (chances are that it will be different
788 // anyhow, this comparison is there to avoid flicker for small single-line
789 // edit controls mostly)
790 if ( (value
.length() > 0x400) || (value
!= GetValue()) )
792 DoWriteText(value
, false /* not selection only */);
794 // for compatibility, don't move the cursor when doing SetValue()
795 SetInsertionPoint(0);
799 // still send an event for consistency
803 // we should reset the modified flag even if the value didn't really change
805 // mark the control as being not dirty - we changed its text, not the
810 #if wxUSE_RICHEDIT && (!wxUSE_UNICODE || wxUSE_UNICODE_MSLU)
812 // TODO: using memcpy() would improve performance a lot for big amounts of text
815 wxRichEditStreamIn(DWORD dwCookie
, BYTE
*buf
, LONG cb
, LONG
*pcb
)
819 const wchar_t ** const ppws
= (const wchar_t **)dwCookie
;
821 wchar_t *wbuf
= (wchar_t *)buf
;
822 const wchar_t *wpc
= *ppws
;
827 cb
-= sizeof(wchar_t);
828 (*pcb
) += sizeof(wchar_t);
836 // helper struct used to pass parameters from wxTextCtrl to wxRichEditStreamOut
837 struct wxStreamOutData
844 wxRichEditStreamOut(DWORD_PTR dwCookie
, BYTE
*buf
, LONG cb
, LONG
*pcb
)
848 wxStreamOutData
*data
= (wxStreamOutData
*)dwCookie
;
850 const wchar_t *wbuf
= (const wchar_t *)buf
;
851 wchar_t *wpc
= data
->wpc
;
854 wchar_t wch
= *wbuf
++;
856 // turn "\r\n" into "\n" on the fly
862 cb
-= sizeof(wchar_t);
863 (*pcb
) += sizeof(wchar_t);
872 #if wxUSE_UNICODE_MSLU
873 #define UNUSED_IF_MSLU(param)
875 #define UNUSED_IF_MSLU(param) param
879 wxTextCtrl::StreamIn(const wxString
& value
,
880 wxFontEncoding
UNUSED_IF_MSLU(encoding
),
883 #if wxUSE_UNICODE_MSLU
884 const wchar_t *wpc
= value
.c_str();
885 #else // !wxUSE_UNICODE_MSLU
886 wxCSConv
conv(encoding
);
888 const size_t len
= conv
.MB2WC(NULL
, value
, value
.length());
891 wxWCharBuffer
wchBuf(len
);
892 wchar_t *wpc
= wchBuf
.data();
894 wchar_t *wchBuf
= (wchar_t *)malloc((len
+ 1)*sizeof(wchar_t));
895 wchar_t *wpc
= wchBuf
;
898 conv
.MB2WC(wpc
, value
, value
.length());
899 #endif // wxUSE_UNICODE_MSLU
901 // finally, stream it in the control
904 eds
.dwCookie
= (DWORD
)&wpc
;
905 // the cast below is needed for broken (very) old mingw32 headers
906 eds
.pfnCallback
= (EDITSTREAMCALLBACK
)wxRichEditStreamIn
;
908 // same problem as in DoWriteText(): we can get multiple events here
909 UpdatesCountFilter
ucf(m_updatesCount
);
911 ::SendMessage(GetHwnd(), EM_STREAMIN
,
914 (selectionOnly
? SFF_SELECTION
: 0),
917 // It's okay for EN_UPDATE to not be sent if the selection is empty and
918 // the text is empty, otherwise warn the programmer about it.
919 wxASSERT_MSG( ucf
.GotUpdate() || ( !HasSelection() && value
.empty() ),
920 _T("EM_STREAMIN didn't send EN_UPDATE?") );
924 wxLogLastError(_T("EM_STREAMIN"));
929 #endif // !wxUSE_WCHAR_T
934 #if !wxUSE_UNICODE_MSLU
937 wxTextCtrl::StreamOut(wxFontEncoding encoding
, bool selectionOnly
) const
941 const int len
= GetWindowTextLength(GetHwnd());
944 wxWCharBuffer
wchBuf(len
);
945 wchar_t *wpc
= wchBuf
.data();
947 wchar_t *wchBuf
= (wchar_t *)malloc((len
+ 1)*sizeof(wchar_t));
948 wchar_t *wpc
= wchBuf
;
951 wxStreamOutData data
;
957 eds
.dwCookie
= (DWORD
)&data
;
958 eds
.pfnCallback
= wxRichEditStreamOut
;
964 SF_TEXT
| SF_UNICODE
| (selectionOnly
? SFF_SELECTION
: 0),
970 wxLogLastError(_T("EM_STREAMOUT"));
972 else // streamed out ok
974 // NUL-terminate the string because its length could have been
975 // decreased by wxRichEditStreamOut
976 *(wchBuf
.data() + data
.len
) = L
'\0';
978 // now convert to the given encoding (this is a possibly lossful
979 // conversion but what else can we do)
980 wxCSConv
conv(encoding
);
981 size_t lenNeeded
= conv
.WC2MB(NULL
, wchBuf
, 0);
984 conv
.WC2MB(wxStringBuffer(out
, lenNeeded
), wchBuf
, lenNeeded
);
990 #endif // !wxUSE_WCHAR_T
995 #endif // !wxUSE_UNICODE_MSLU
997 #endif // wxUSE_RICHEDIT
999 void wxTextCtrl::WriteText(const wxString
& value
)
1004 void wxTextCtrl::DoWriteText(const wxString
& value
, bool selectionOnly
)
1007 if ( m_windowStyle
& wxTE_MULTILINE
)
1008 valueDos
= wxTextFile::Translate(value
, wxTextFileType_Dos
);
1013 // there are several complications with the rich edit controls here
1017 // first, ensure that the new text will be in the default style
1018 if ( !m_defaultStyle
.IsDefault() )
1021 GetSelection(&start
, &end
);
1022 SetStyle(start
, end
, m_defaultStyle
);
1025 #if wxUSE_UNICODE_MSLU
1026 // RichEdit doesn't have Unicode version of EM_REPLACESEL on Win9x,
1027 // but EM_STREAMIN works
1028 if ( wxUsingUnicowsDll() && GetRichVersion() > 1 )
1030 done
= StreamIn(valueDos
, wxFONTENCODING_SYSTEM
, selectionOnly
);
1032 #endif // wxUSE_UNICODE_MSLU
1035 // next check if the text we're inserting must be shown in a non
1036 // default charset -- this only works for RichEdit > 1.0
1037 if ( GetRichVersion() > 1 )
1039 wxFont font
= m_defaultStyle
.GetFont();
1045 wxFontEncoding encoding
= font
.GetEncoding();
1046 if ( encoding
!= wxFONTENCODING_SYSTEM
)
1048 // we have to use EM_STREAMIN to force richedit control 2.0+
1049 // to show any text in the non default charset -- otherwise
1050 // it thinks it knows better than we do and always shows it
1051 // in the default one
1052 done
= StreamIn(valueDos
, encoding
, selectionOnly
);
1056 #endif // !wxUSE_UNICODE
1060 #endif // wxUSE_RICHEDIT
1062 // in some cases we get 2 EN_CHANGE notifications after the SendMessage
1063 // call (this happens for plain EDITs with EM_REPLACESEL and under some
1064 // -- undetermined -- conditions with rich edit) and sometimes we don't
1065 // get any events at all (plain EDIT with WM_SETTEXT), so ensure that
1066 // we generate exactly one of them by ignoring all but the first one in
1067 // SendUpdateEvent() and generating one ourselves if we hadn't got any
1068 // notifications from Windows
1069 UpdatesCountFilter
ucf(m_updatesCount
);
1071 ::SendMessage(GetHwnd(), selectionOnly
? EM_REPLACESEL
: WM_SETTEXT
,
1072 // EM_REPLACESEL takes 1 to indicate the operation should be redoable
1073 selectionOnly
? 1 : 0, (LPARAM
)valueDos
.c_str());
1075 if ( !ucf
.GotUpdate() )
1082 void wxTextCtrl::AppendText(const wxString
& text
)
1084 SetInsertionPointEnd();
1089 // don't do this if we're frozen, saves some time
1090 if ( !IsFrozen() && IsMultiLine() && GetRichVersion() > 1 )
1092 // setting the caret to the end and showing it simply doesn't work for
1093 // RichEdit 2.0 -- force it to still do what we want
1094 ::SendMessage(GetHwnd(), EM_LINESCROLL
, 0, GetNumberOfLines());
1096 #endif // wxUSE_RICHEDIT
1099 void wxTextCtrl::Clear()
1101 ::SetWindowText(GetHwnd(), wxEmptyString
);
1105 #endif // wxUSE_RICHEDIT
1107 // rich edit controls send EN_UPDATE from WM_SETTEXT handler themselves
1108 // but the normal ones don't -- make Clear() behaviour consistent by
1109 // always sending this event
1111 // Windows already sends an update event for single-line
1113 if ( m_windowStyle
& wxTE_MULTILINE
)
1120 bool wxTextCtrl::EmulateKeyPress(const wxKeyEvent
& event
)
1124 size_t lenOld
= GetValue().length();
1126 wxUint32 code
= event
.GetRawKeyCode();
1127 ::keybd_event((BYTE
)code
, 0, 0 /* key press */, 0);
1128 ::keybd_event((BYTE
)code
, 0, KEYEVENTF_KEYUP
, 0);
1130 // assume that any alphanumeric key changes the total number of characters
1131 // in the control - this should work in 99% of cases
1132 return GetValue().length() != lenOld
;
1137 // ----------------------------------------------------------------------------
1138 // Clipboard operations
1139 // ----------------------------------------------------------------------------
1141 void wxTextCtrl::Copy()
1145 ::SendMessage(GetHwnd(), WM_COPY
, 0, 0L);
1149 void wxTextCtrl::Cut()
1153 ::SendMessage(GetHwnd(), WM_CUT
, 0, 0L);
1157 void wxTextCtrl::Paste()
1161 ::SendMessage(GetHwnd(), WM_PASTE
, 0, 0L);
1165 bool wxTextCtrl::HasSelection() const
1168 GetSelection(&from
, &to
);
1172 bool wxTextCtrl::CanCopy() const
1174 // Can copy if there's a selection
1175 return HasSelection();
1178 bool wxTextCtrl::CanCut() const
1180 return CanCopy() && IsEditable();
1183 bool wxTextCtrl::CanPaste() const
1185 if ( !IsEditable() )
1191 UINT cf
= 0; // 0 == any format
1193 return ::SendMessage(GetHwnd(), EM_CANPASTE
, cf
, 0) != 0;
1195 #endif // wxUSE_RICHEDIT
1197 // Standard edit control: check for straight text on clipboard
1198 if ( !::OpenClipboard(GetHwndOf(wxTheApp
->GetTopWindow())) )
1201 bool isTextAvailable
= ::IsClipboardFormatAvailable(CF_TEXT
) != 0;
1204 return isTextAvailable
;
1207 // ----------------------------------------------------------------------------
1209 // ----------------------------------------------------------------------------
1211 void wxTextCtrl::SetEditable(bool editable
)
1213 HWND hWnd
= GetHwnd();
1214 ::SendMessage(hWnd
, EM_SETREADONLY
, (WPARAM
)!editable
, (LPARAM
)0L);
1217 void wxTextCtrl::SetInsertionPoint(long pos
)
1219 DoSetSelection(pos
, pos
);
1222 void wxTextCtrl::SetInsertionPointEnd()
1224 // we must not do anything if the caret is already there because calling
1225 // SetInsertionPoint() thaws the controls if Freeze() had been called even
1226 // if it doesn't actually move the caret anywhere and so the simple fact of
1227 // doing it results in horrible flicker when appending big amounts of text
1228 // to the control in a few chunks (see DoAddText() test in the text sample)
1229 if ( GetInsertionPoint() == GetLastPosition() )
1237 if ( m_verRichEdit
== 1 )
1239 // we don't have to waste time calling GetLastPosition() in this case
1242 else // !RichEdit 1.0
1243 #endif // wxUSE_RICHEDIT
1245 pos
= GetLastPosition();
1248 SetInsertionPoint(pos
);
1251 long wxTextCtrl::GetInsertionPoint() const
1259 ::SendMessage(GetHwnd(), EM_EXGETSEL
, 0, (LPARAM
) &range
);
1262 #endif // wxUSE_RICHEDIT
1264 DWORD Pos
= (DWORD
)::SendMessage(GetHwnd(), EM_GETSEL
, 0, 0L);
1265 return Pos
& 0xFFFF;
1268 wxTextPos
wxTextCtrl::GetLastPosition() const
1270 int numLines
= GetNumberOfLines();
1271 long posStartLastLine
= XYToPosition(0, numLines
- 1);
1273 long lenLastLine
= GetLengthOfLineContainingPos(posStartLastLine
);
1275 return posStartLastLine
+ lenLastLine
;
1278 // If the return values from and to are the same, there is no
1280 void wxTextCtrl::GetSelection(long* from
, long* to
) const
1285 CHARRANGE charRange
;
1286 ::SendMessage(GetHwnd(), EM_EXGETSEL
, 0, (LPARAM
) &charRange
);
1288 *from
= charRange
.cpMin
;
1289 *to
= charRange
.cpMax
;
1292 #endif // !wxUSE_RICHEDIT
1294 DWORD dwStart
, dwEnd
;
1295 ::SendMessage(GetHwnd(), EM_GETSEL
, (WPARAM
)&dwStart
, (LPARAM
)&dwEnd
);
1302 bool wxTextCtrl::IsEditable() const
1304 // strangely enough, we may be called before the control is created: our
1305 // own Create() calls MSWGetStyle() which calls AcceptsFocus() which calls
1310 long style
= ::GetWindowLong(GetHwnd(), GWL_STYLE
);
1312 return (style
& ES_READONLY
) == 0;
1315 // ----------------------------------------------------------------------------
1317 // ----------------------------------------------------------------------------
1319 void wxTextCtrl::SetSelection(long from
, long to
)
1321 // if from and to are both -1, it means (in wxWidgets) that all text should
1322 // be selected - translate into Windows convention
1323 if ( (from
== -1) && (to
== -1) )
1329 DoSetSelection(from
, to
);
1332 void wxTextCtrl::DoSetSelection(long from
, long to
, bool scrollCaret
)
1334 HWND hWnd
= GetHwnd();
1342 ::SendMessage(hWnd
, EM_EXSETSEL
, 0, (LPARAM
) &range
);
1345 #endif // wxUSE_RICHEDIT
1347 ::SendMessage(hWnd
, EM_SETSEL
, (WPARAM
)from
, (LPARAM
)to
);
1350 if ( scrollCaret
&& !IsFrozen() )
1353 // richedit 3.0 (i.e. the version living in riched20.dll distributed
1354 // with Windows 2000 and beyond) doesn't honour EM_SCROLLCARET when
1355 // emulating richedit 2.0 unless the control has focus or ECO_NOHIDESEL
1356 // option is set (but it does work ok in richedit 1.0 mode...)
1358 // so to make it work we either need to give focus to it here which
1359 // will probably create many problems (dummy focus events; window
1360 // containing the text control being brought to foreground
1361 // unexpectedly; ...) or to temporarily set ECO_NOHIDESEL which may
1362 // create other problems too -- and in fact it does because if we turn
1363 // on/off this style while appending the text to the control, the
1364 // vertical scrollbar never appears in it even if we append tons of
1365 // text and to work around this the only solution I found was to use
1366 // ES_DISABLENOSCROLL
1368 // this is very ugly but I don't see any other way to make this work
1370 if ( GetRichVersion() > 1 )
1372 if ( !HasFlag(wxTE_NOHIDESEL
) )
1374 // setting ECO_NOHIDESEL also sets WS_VISIBLE and possibly
1375 // others, remember the style so we can reset it later if needed
1376 style
= ::GetWindowLong(GetHwnd(), GWL_STYLE
);
1377 ::SendMessage(GetHwnd(), EM_SETOPTIONS
,
1378 ECOOP_OR
, ECO_NOHIDESEL
);
1380 //else: everything is already ok
1382 #endif // wxUSE_RICHEDIT
1384 ::SendMessage(hWnd
, EM_SCROLLCARET
, (WPARAM
)0, (LPARAM
)0);
1387 // restore ECO_NOHIDESEL if we changed it
1388 if ( GetRichVersion() > 1 && !HasFlag(wxTE_NOHIDESEL
) )
1390 ::SendMessage(GetHwnd(), EM_SETOPTIONS
,
1391 ECOOP_AND
, ~ECO_NOHIDESEL
);
1392 if ( style
!= ::GetWindowLong(GetHwnd(), GWL_STYLE
) )
1393 ::SetWindowLong(GetHwnd(), GWL_STYLE
, style
);
1395 #endif // wxUSE_RICHEDIT
1399 // ----------------------------------------------------------------------------
1400 // Working with files
1401 // ----------------------------------------------------------------------------
1403 bool wxTextCtrl::LoadFile(const wxString
& file
)
1405 if ( wxTextCtrlBase::LoadFile(file
) )
1407 // update the size limit if needed
1416 // ----------------------------------------------------------------------------
1418 // ----------------------------------------------------------------------------
1420 void wxTextCtrl::Replace(long from
, long to
, const wxString
& value
)
1422 // Set selection and remove it
1423 DoSetSelection(from
, to
, false /* don't scroll caret into view */);
1425 DoWriteText(value
, true /* selection only */);
1428 void wxTextCtrl::Remove(long from
, long to
)
1430 Replace(from
, to
, wxEmptyString
);
1433 bool wxTextCtrl::IsModified() const
1435 return ::SendMessage(GetHwnd(), EM_GETMODIFY
, 0, 0) != 0;
1438 void wxTextCtrl::MarkDirty()
1440 ::SendMessage(GetHwnd(), EM_SETMODIFY
, TRUE
, 0L);
1443 void wxTextCtrl::DiscardEdits()
1445 ::SendMessage(GetHwnd(), EM_SETMODIFY
, FALSE
, 0L);
1448 int wxTextCtrl::GetNumberOfLines() const
1450 return (int)::SendMessage(GetHwnd(), EM_GETLINECOUNT
, (WPARAM
)0, (LPARAM
)0);
1453 // ----------------------------------------------------------------------------
1454 // Positions <-> coords
1455 // ----------------------------------------------------------------------------
1457 long wxTextCtrl::XYToPosition(long x
, long y
) const
1459 // This gets the char index for the _beginning_ of this line
1460 long charIndex
= ::SendMessage(GetHwnd(), EM_LINEINDEX
, (WPARAM
)y
, (LPARAM
)0);
1462 return charIndex
+ x
;
1465 bool wxTextCtrl::PositionToXY(long pos
, long *x
, long *y
) const
1467 HWND hWnd
= GetHwnd();
1469 // This gets the line number containing the character
1474 lineNo
= ::SendMessage(hWnd
, EM_EXLINEFROMCHAR
, 0, (LPARAM
)pos
);
1477 #endif // wxUSE_RICHEDIT
1479 lineNo
= ::SendMessage(hWnd
, EM_LINEFROMCHAR
, (WPARAM
)pos
, 0);
1488 // This gets the char index for the _beginning_ of this line
1489 long charIndex
= ::SendMessage(hWnd
, EM_LINEINDEX
, (WPARAM
)lineNo
, (LPARAM
)0);
1490 if ( charIndex
== -1 )
1495 // The X position must therefore be the different between pos and charIndex
1497 *x
= pos
- charIndex
;
1504 wxTextCtrlHitTestResult
1505 wxTextCtrl::HitTest(const wxPoint
& pt
, long *posOut
) const
1507 // first get the position from Windows
1514 // for rich edit controls the position is passed iva the struct fields
1517 lParam
= (LPARAM
)&ptl
;
1520 #endif // wxUSE_RICHEDIT
1522 // for the plain ones, we are limited to 16 bit positions which are
1523 // combined in a single 32 bit value
1524 lParam
= MAKELPARAM(pt
.x
, pt
.y
);
1527 LRESULT pos
= ::SendMessage(GetHwnd(), EM_CHARFROMPOS
, 0, lParam
);
1531 // this seems to indicate an error...
1532 return wxTE_HT_UNKNOWN
;
1537 #endif // wxUSE_RICHEDIT
1539 // for plain EDIT controls the higher word contains something else
1544 // next determine where it is relatively to our point: EM_CHARFROMPOS
1545 // always returns the closest character but we need to be more precise, so
1546 // double check that we really are where it pretends
1550 // FIXME: we need to distinguish between richedit 2 and 3 here somehow but
1551 // we don't know how to do it
1554 ::SendMessage(GetHwnd(), EM_POSFROMCHAR
, (WPARAM
)&ptReal
, pos
);
1557 #endif // wxUSE_RICHEDIT
1559 LRESULT lRc
= ::SendMessage(GetHwnd(), EM_POSFROMCHAR
, pos
, 0);
1563 // this is apparently returned when pos corresponds to the last
1570 ptReal
.x
= LOWORD(lRc
);
1571 ptReal
.y
= HIWORD(lRc
);
1575 wxTextCtrlHitTestResult rc
;
1577 if ( pt
.y
> ptReal
.y
+ GetCharHeight() )
1579 else if ( pt
.x
> ptReal
.x
+ GetCharWidth() )
1580 rc
= wxTE_HT_BEYOND
;
1582 rc
= wxTE_HT_ON_TEXT
;
1590 // ----------------------------------------------------------------------------
1592 // ----------------------------------------------------------------------------
1594 void wxTextCtrl::ShowPosition(long pos
)
1596 HWND hWnd
= GetHwnd();
1598 // To scroll to a position, we pass the number of lines and characters
1599 // to scroll *by*. This means that we need to:
1600 // (1) Find the line position of the current line.
1601 // (2) Find the line position of pos.
1602 // (3) Scroll by (pos - current).
1603 // For now, ignore the horizontal scrolling.
1605 // Is this where scrolling is relative to - the line containing the caret?
1606 // Or is the first visible line??? Try first visible line.
1607 // int currentLineLineNo1 = (int)::SendMessage(hWnd, EM_LINEFROMCHAR, (WPARAM)-1, (LPARAM)0L);
1609 int currentLineLineNo
= (int)::SendMessage(hWnd
, EM_GETFIRSTVISIBLELINE
, (WPARAM
)0, (LPARAM
)0L);
1611 int specifiedLineLineNo
= (int)::SendMessage(hWnd
, EM_LINEFROMCHAR
, (WPARAM
)pos
, (LPARAM
)0L);
1613 int linesToScroll
= specifiedLineLineNo
- currentLineLineNo
;
1615 if (linesToScroll
!= 0)
1616 (void)::SendMessage(hWnd
, EM_LINESCROLL
, (WPARAM
)0, (LPARAM
)linesToScroll
);
1619 long wxTextCtrl::GetLengthOfLineContainingPos(long pos
) const
1621 return ::SendMessage(GetHwnd(), EM_LINELENGTH
, (WPARAM
)pos
, 0);
1624 int wxTextCtrl::GetLineLength(long lineNo
) const
1626 long pos
= XYToPosition(0, lineNo
);
1628 return GetLengthOfLineContainingPos(pos
);
1631 wxString
wxTextCtrl::GetLineText(long lineNo
) const
1633 size_t len
= (size_t)GetLineLength(lineNo
) + 1;
1635 // there must be at least enough place for the length WORD in the
1637 len
+= sizeof(WORD
);
1641 wxStringBufferLength
tmp(str
, len
);
1644 *(WORD
*)buf
= (WORD
)len
;
1645 len
= (size_t)::SendMessage(GetHwnd(), EM_GETLINE
, lineNo
, (LPARAM
)buf
);
1650 // remove the '\r' returned by the rich edit control, the user code
1651 // should never see it
1652 if ( buf
[len
- 2] == _T('\r') && buf
[len
- 1] == _T('\n') )
1654 buf
[len
- 2] = _T('\n');
1658 #endif // wxUSE_RICHEDIT
1660 // remove the '\n' at the end, if any (this is how this function is
1661 // supposed to work according to the docs)
1662 if ( buf
[len
- 1] == _T('\n') )
1674 void wxTextCtrl::SetMaxLength(unsigned long len
)
1679 ::SendMessage(GetHwnd(), EM_EXLIMITTEXT
, 0, len
? len
: 0x7fffffff);
1682 #endif // wxUSE_RICHEDIT
1684 if ( len
>= 0xffff )
1686 // this will set it to a platform-dependent maximum (much more
1687 // than 64Kb under NT)
1691 ::SendMessage(GetHwnd(), EM_LIMITTEXT
, len
, 0);
1695 // ----------------------------------------------------------------------------
1697 // ----------------------------------------------------------------------------
1699 void wxTextCtrl::Undo()
1703 ::SendMessage(GetHwnd(), EM_UNDO
, 0, 0);
1707 void wxTextCtrl::Redo()
1712 if (GetRichVersion() > 1)
1713 ::SendMessage(GetHwnd(), EM_REDO
, 0, 0);
1716 // Same as Undo, since Undo undoes the undo, i.e. a redo.
1717 ::SendMessage(GetHwnd(), EM_UNDO
, 0, 0);
1721 bool wxTextCtrl::CanUndo() const
1723 return ::SendMessage(GetHwnd(), EM_CANUNDO
, 0, 0) != 0;
1726 bool wxTextCtrl::CanRedo() const
1729 if (GetRichVersion() > 1)
1730 return ::SendMessage(GetHwnd(), EM_CANREDO
, 0, 0) != 0;
1733 return ::SendMessage(GetHwnd(), EM_CANUNDO
, 0, 0) != 0;
1736 // ----------------------------------------------------------------------------
1737 // caret handling (Windows only)
1738 // ----------------------------------------------------------------------------
1740 bool wxTextCtrl::ShowNativeCaret(bool show
)
1742 if ( show
!= m_isNativeCaretShown
)
1744 if ( !(show
? ::ShowCaret(GetHwnd()) : ::HideCaret(GetHwnd())) )
1746 // not an error, may simply indicate that it's not shown/hidden
1747 // yet (i.e. it had been hidden/showh 2 times before)
1751 m_isNativeCaretShown
= show
;
1757 // ----------------------------------------------------------------------------
1758 // implemenation details
1759 // ----------------------------------------------------------------------------
1761 void wxTextCtrl::Command(wxCommandEvent
& event
)
1763 SetValue(event
.GetString());
1764 ProcessCommand (event
);
1767 void wxTextCtrl::OnDropFiles(wxDropFilesEvent
& event
)
1769 // By default, load the first file into the text window.
1770 if (event
.GetNumberOfFiles() > 0)
1772 LoadFile(event
.GetFiles()[0]);
1776 // ----------------------------------------------------------------------------
1777 // kbd input processing
1778 // ----------------------------------------------------------------------------
1780 bool wxTextCtrl::MSWShouldPreProcessMessage(WXMSG
* pMsg
)
1782 MSG
*msg
= (MSG
*)pMsg
;
1784 // check for our special keys here: if we don't do it and the parent frame
1785 // uses them as accelerators, they wouldn't work at all, so we disable
1786 // usual preprocessing for them
1787 if ( msg
->message
== WM_KEYDOWN
)
1789 WORD vkey
= (WORD
) msg
->wParam
;
1790 if ( (HIWORD(msg
->lParam
) & KF_ALTDOWN
) == KF_ALTDOWN
)
1792 if ( vkey
== VK_BACK
)
1797 // we want to process some Ctrl-foo and Shift-bar but no key
1798 // combinations without either Ctrl or Shift nor with both of them
1800 const int ctrl
= wxIsCtrlDown(),
1801 shift
= wxIsShiftDown();
1802 switch ( ctrl
+ shift
)
1805 wxFAIL_MSG( _T("how many modifiers have we got?") );
1813 // either Ctrl or Shift pressed
1828 else // Shift is pressed
1830 if ( vkey
== VK_INSERT
|| vkey
== VK_DELETE
)
1837 return wxControl::MSWShouldPreProcessMessage(pMsg
);
1840 void wxTextCtrl::OnChar(wxKeyEvent
& event
)
1842 switch ( event
.GetKeyCode() )
1846 wxCommandEvent
event(wxEVT_COMMAND_TEXT_ENTER
, m_windowId
);
1847 InitCommandEvent(event
);
1848 event
.SetString(GetValue());
1849 if ( GetEventHandler()->ProcessEvent(event
) )
1850 if ( !HasFlag(wxTE_MULTILINE
) )
1852 //else: multiline controls need Enter for themselves
1857 // ok, so this is getting absolutely ridiculous but I don't see
1858 // any other way to fix this bug: when a multiline text control is
1859 // inside a wxFrame, we need to generate the navigation event as
1860 // otherwise nothing happens at all, but when the same control is
1861 // created inside a dialog, IsDialogMessage() *does* switch focus
1862 // all by itself and so if we do it here as well, it is advanced
1863 // twice and goes to the next control... to prevent this from
1864 // happening we're doing this ugly check, the logic being that if
1865 // we don't have focus then it had been already changed to the next
1868 // the right thing to do would, of course, be to understand what
1869 // the hell is IsDialogMessage() doing but this is beyond my feeble
1870 // forces at the moment unfortunately
1871 if ( !(m_windowStyle
& wxTE_PROCESS_TAB
))
1873 if ( FindFocus() == this )
1876 if (!event
.ShiftDown())
1877 flags
|= wxNavigationKeyEvent::IsForward
;
1878 if (event
.ControlDown())
1879 flags
|= wxNavigationKeyEvent::WinChange
;
1880 if (Navigate(flags
))
1886 // Insert tab since calling the default Windows handler
1887 // doesn't seem to do it
1888 WriteText(wxT("\t"));
1894 // no, we didn't process it
1898 WXLRESULT
wxTextCtrl::MSWWindowProc(WXUINT nMsg
, WXWPARAM wParam
, WXLPARAM lParam
)
1900 WXLRESULT lRc
= wxTextCtrlBase::MSWWindowProc(nMsg
, wParam
, lParam
);
1902 if ( nMsg
== WM_GETDLGCODE
)
1904 // we always want the chars and the arrows: the arrows for navigation
1905 // and the chars because we want Ctrl-C to work even in a read only
1907 long lDlgCode
= DLGC_WANTCHARS
| DLGC_WANTARROWS
;
1911 // we may have several different cases:
1912 // 1. normal case: both TAB and ENTER are used for dlg navigation
1913 // 2. ctrl which wants TAB for itself: ENTER is used to pass to the
1914 // next control in the dialog
1915 // 3. ctrl which wants ENTER for itself: TAB is used for dialog
1917 // 4. ctrl which wants both TAB and ENTER: Ctrl-ENTER is used to go
1918 // to the next control
1920 // the multiline edit control should always get <Return> for itself
1921 if ( HasFlag(wxTE_PROCESS_ENTER
) || HasFlag(wxTE_MULTILINE
) )
1922 lDlgCode
|= DLGC_WANTMESSAGE
;
1924 if ( HasFlag(wxTE_PROCESS_TAB
) )
1925 lDlgCode
|= DLGC_WANTTAB
;
1931 // NB: use "=", not "|=" as the base class version returns the
1932 // same flags is this state as usual (i.e. including
1933 // DLGC_WANTMESSAGE). This is strange (how does it work in the
1934 // native Win32 apps?) but for now live with it.
1942 // ----------------------------------------------------------------------------
1943 // text control event processing
1944 // ----------------------------------------------------------------------------
1946 bool wxTextCtrl::SendUpdateEvent()
1948 switch ( m_updatesCount
)
1951 // remember that we've got an update
1956 // we had already sent one event since the last control modification
1960 wxFAIL_MSG( _T("unexpected wxTextCtrl::m_updatesCount value") );
1964 // we hadn't updated the control ourselves, this event comes from
1965 // the user, don't need to ignore it nor update the count
1969 wxCommandEvent
event(wxEVT_COMMAND_TEXT_UPDATED
, GetId());
1970 InitCommandEvent(event
);
1972 return ProcessCommand(event
);
1975 bool wxTextCtrl::MSWCommand(WXUINT param
, WXWORD
WXUNUSED(id
))
1982 wxFocusEvent
event(param
== EN_KILLFOCUS
? wxEVT_KILL_FOCUS
1985 event
.SetEventObject(this);
1986 GetEventHandler()->ProcessEvent(event
);
1995 // the text size limit has been hit -- try to increase it
1996 if ( !AdjustSpaceLimit() )
1998 wxCommandEvent
event(wxEVT_COMMAND_TEXT_MAXLEN
, m_windowId
);
1999 InitCommandEvent(event
);
2000 event
.SetString(GetValue());
2001 ProcessCommand(event
);
2005 // the other edit notification messages are not processed
2014 WXHBRUSH
wxTextCtrl::MSWControlColor(WXHDC hDC
, WXHWND hWnd
)
2016 if ( !IsEnabled() && !HasFlag(wxTE_MULTILINE
) )
2017 return MSWControlColorDisabled(hDC
);
2019 return wxTextCtrlBase::MSWControlColor(hDC
, hWnd
);
2022 bool wxTextCtrl::HasSpaceLimit(unsigned int *len
) const
2024 // HACK: we try to automatically extend the limit for the amount of text
2025 // to allow (interactively) entering more than 64Kb of text under
2026 // Win9x but we shouldn't reset the text limit which was previously
2027 // set explicitly with SetMaxLength()
2029 // Unfortunately there is no EM_GETLIMITTEXTSETBYUSER and so we don't
2030 // know the limit we set (if any). We could solve this by storing the
2031 // limit we set in wxTextCtrl but to save space we prefer to simply
2032 // test here the actual limit value: we consider that SetMaxLength()
2033 // can only be called for small values while EN_MAXTEXT is only sent
2034 // for large values (in practice the default limit seems to be 30000
2035 // but make it smaller just to be on the safe side)
2036 *len
= ::SendMessage(GetHwnd(), EM_GETLIMITTEXT
, 0, 0);
2037 return *len
< 10001;
2041 bool wxTextCtrl::AdjustSpaceLimit()
2044 if ( HasSpaceLimit(&limit
) )
2047 unsigned int len
= ::GetWindowTextLength(GetHwnd());
2050 // increment in 32Kb chunks
2051 SetMaxLength(len
+ 0x8000);
2054 // we changed the limit
2058 bool wxTextCtrl::AcceptsFocus() const
2060 // we don't want focus if we can't be edited unless we're a multiline
2061 // control because then it might be still nice to get focus from keyboard
2062 // to be able to scroll it without mouse
2063 return (IsEditable() || IsMultiLine()) && wxControl::AcceptsFocus();
2066 wxSize
wxTextCtrl::DoGetBestSize() const
2069 wxGetCharSize(GetHWND(), &cx
, &cy
, GetFont());
2071 int wText
= DEFAULT_ITEM_WIDTH
;
2074 if ( m_windowStyle
& wxTE_MULTILINE
)
2076 hText
*= wxMax(wxMin(GetNumberOfLines(), 10), 2);
2078 //else: for single line control everything is ok
2080 // we have to add the adjustments for the control height only once, not
2081 // once per line, so do it after multiplication above
2082 hText
+= EDIT_HEIGHT_FROM_CHAR_HEIGHT(cy
) - cy
;
2084 return wxSize(wText
, hText
);
2087 // ----------------------------------------------------------------------------
2088 // standard handlers for standard edit menu events
2089 // ----------------------------------------------------------------------------
2091 void wxTextCtrl::OnCut(wxCommandEvent
& WXUNUSED(event
))
2096 void wxTextCtrl::OnCopy(wxCommandEvent
& WXUNUSED(event
))
2101 void wxTextCtrl::OnPaste(wxCommandEvent
& WXUNUSED(event
))
2106 void wxTextCtrl::OnUndo(wxCommandEvent
& WXUNUSED(event
))
2111 void wxTextCtrl::OnRedo(wxCommandEvent
& WXUNUSED(event
))
2116 void wxTextCtrl::OnDelete(wxCommandEvent
& WXUNUSED(event
))
2119 GetSelection(& from
, & to
);
2120 if (from
!= -1 && to
!= -1)
2124 void wxTextCtrl::OnSelectAll(wxCommandEvent
& WXUNUSED(event
))
2126 SetSelection(-1, -1);
2129 void wxTextCtrl::OnUpdateCut(wxUpdateUIEvent
& event
)
2131 event
.Enable( CanCut() );
2134 void wxTextCtrl::OnUpdateCopy(wxUpdateUIEvent
& event
)
2136 event
.Enable( CanCopy() );
2139 void wxTextCtrl::OnUpdatePaste(wxUpdateUIEvent
& event
)
2141 event
.Enable( CanPaste() );
2144 void wxTextCtrl::OnUpdateUndo(wxUpdateUIEvent
& event
)
2146 event
.Enable( CanUndo() );
2149 void wxTextCtrl::OnUpdateRedo(wxUpdateUIEvent
& event
)
2151 event
.Enable( CanRedo() );
2154 void wxTextCtrl::OnUpdateDelete(wxUpdateUIEvent
& event
)
2157 GetSelection(& from
, & to
);
2158 event
.Enable(from
!= -1 && to
!= -1 && from
!= to
&& IsEditable()) ;
2161 void wxTextCtrl::OnUpdateSelectAll(wxUpdateUIEvent
& event
)
2163 event
.Enable(GetLastPosition() > 0);
2166 void wxTextCtrl::OnContextMenu(wxContextMenuEvent
& event
)
2171 if (!m_privateContextMenu
)
2173 m_privateContextMenu
= new wxMenu
;
2174 m_privateContextMenu
->Append(wxID_UNDO
, _("&Undo"));
2175 m_privateContextMenu
->Append(wxID_REDO
, _("&Redo"));
2176 m_privateContextMenu
->AppendSeparator();
2177 m_privateContextMenu
->Append(wxID_CUT
, _("Cu&t"));
2178 m_privateContextMenu
->Append(wxID_COPY
, _("&Copy"));
2179 m_privateContextMenu
->Append(wxID_PASTE
, _("&Paste"));
2180 m_privateContextMenu
->Append(wxID_CLEAR
, _("&Delete"));
2181 m_privateContextMenu
->AppendSeparator();
2182 m_privateContextMenu
->Append(wxID_SELECTALL
, _("Select &All"));
2184 PopupMenu(m_privateContextMenu
);
2192 void wxTextCtrl::OnSetFocus(wxFocusEvent
& WXUNUSED(event
))
2194 // be sure the caret remains invisible if the user had hidden it
2195 if ( !m_isNativeCaretShown
)
2197 ::HideCaret(GetHwnd());
2201 // ----------------------------------------------------------------------------
2202 // Default colors for MSW text control
2204 // Set default background color to the native white instead of
2205 // the default wxSYS_COLOUR_BTNFACE (is triggered with wxNullColour).
2206 // ----------------------------------------------------------------------------
2208 wxVisualAttributes
wxTextCtrl::GetDefaultAttributes() const
2210 wxVisualAttributes attrs
;
2211 attrs
.font
= wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT
);
2212 attrs
.colFg
= wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOWTEXT
);
2213 attrs
.colBg
= wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW
); //white
2218 // the rest of the file only deals with the rich edit controls
2221 // ----------------------------------------------------------------------------
2222 // EN_LINK processing
2223 // ----------------------------------------------------------------------------
2225 bool wxTextCtrl::MSWOnNotify(int idCtrl
, WXLPARAM lParam
, WXLPARAM
*result
)
2227 NMHDR
*hdr
= (NMHDR
* )lParam
;
2228 switch ( hdr
->code
)
2232 const MSGFILTER
*msgf
= (MSGFILTER
*)lParam
;
2233 UINT msg
= msgf
->msg
;
2235 // this is a bit crazy but richedit 1.0 sends us all mouse
2236 // events _except_ WM_LBUTTONUP (don't ask me why) so we have
2237 // generate the wxWin events for this message manually
2239 // NB: in fact, this is still not totally correct as it does
2240 // send us WM_LBUTTONUP if the selection was cleared by the
2241 // last click -- so currently we get 2 events in this case,
2242 // but as I don't see any obvious way to check for this I
2243 // leave this code in place because it's still better than
2244 // not getting left up events at all
2245 if ( msg
== WM_LBUTTONUP
)
2247 WXUINT flags
= msgf
->wParam
;
2248 int x
= GET_X_LPARAM(msgf
->lParam
),
2249 y
= GET_Y_LPARAM(msgf
->lParam
);
2251 HandleMouseEvent(msg
, x
, y
, flags
);
2255 // return true to process the event (and false to ignore it)
2260 const ENLINK
*enlink
= (ENLINK
*)hdr
;
2262 switch ( enlink
->msg
)
2265 // ok, so it is hardcoded - do we really nee to
2268 wxCursor
cur(wxCURSOR_HAND
);
2269 ::SetCursor(GetHcursorOf(cur
));
2275 case WM_LBUTTONDOWN
:
2277 case WM_LBUTTONDBLCLK
:
2278 case WM_RBUTTONDOWN
:
2280 case WM_RBUTTONDBLCLK
:
2281 // send a mouse event
2283 static const wxEventType eventsMouse
[] =
2294 // the event ids are consecutive
2296 evtMouse(eventsMouse
[enlink
->msg
- WM_MOUSEMOVE
]);
2298 InitMouseEvent(evtMouse
,
2299 GET_X_LPARAM(enlink
->lParam
),
2300 GET_Y_LPARAM(enlink
->lParam
),
2303 wxTextUrlEvent
event(m_windowId
, evtMouse
,
2305 enlink
->chrg
.cpMax
);
2307 InitCommandEvent(event
);
2309 *result
= ProcessCommand(event
);
2317 // not processed, leave it to the base class
2318 return wxTextCtrlBase::MSWOnNotify(idCtrl
, lParam
, result
);
2321 // ----------------------------------------------------------------------------
2322 // colour setting for the rich edit controls
2323 // ----------------------------------------------------------------------------
2325 bool wxTextCtrl::SetBackgroundColour(const wxColour
& colour
)
2327 if ( !wxTextCtrlBase::SetBackgroundColour(colour
) )
2329 // colour didn't really change
2335 // rich edit doesn't use WM_CTLCOLOR, hence we need to send
2336 // EM_SETBKGNDCOLOR additionally
2337 ::SendMessage(GetHwnd(), EM_SETBKGNDCOLOR
, 0, wxColourToRGB(colour
));
2343 bool wxTextCtrl::SetForegroundColour(const wxColour
& colour
)
2345 if ( !wxTextCtrlBase::SetForegroundColour(colour
) )
2347 // colour didn't really change
2353 // change the colour of everything
2356 cf
.cbSize
= sizeof(cf
);
2357 cf
.dwMask
= CFM_COLOR
;
2358 cf
.crTextColor
= wxColourToRGB(colour
);
2359 ::SendMessage(GetHwnd(), EM_SETCHARFORMAT
, SCF_ALL
, (LPARAM
)&cf
);
2365 // ----------------------------------------------------------------------------
2366 // styling support for rich edit controls
2367 // ----------------------------------------------------------------------------
2371 bool wxTextCtrl::SetStyle(long start
, long end
, const wxTextAttr
& style
)
2375 // can't do it with normal text control
2379 // the richedit 1.0 doesn't handle setting background colour, so don't
2380 // even try to do anything if it's the only thing we want to change
2381 if ( m_verRichEdit
== 1 && !style
.HasFont() && !style
.HasTextColour() &&
2382 !style
.HasLeftIndent() && !style
.HasRightIndent() && !style
.HasAlignment() &&
2385 // nothing to do: return true if there was really nothing to do and
2386 // false if we failed to set bg colour
2387 return !style
.HasBackgroundColour();
2390 // order the range if needed
2398 // we can only change the format of the selection, so select the range we
2399 // want and restore the old selection later
2400 long startOld
, endOld
;
2401 GetSelection(&startOld
, &endOld
);
2403 // but do we really have to change the selection?
2404 bool changeSel
= start
!= startOld
|| end
!= endOld
;
2408 DoSetSelection(start
, end
, false /* don't scroll caret into view */);
2411 // initialize CHARFORMAT struct
2420 // we can't use CHARFORMAT2 with RichEdit 1.0, so pretend it is a simple
2421 // CHARFORMAT in that case
2423 if ( m_verRichEdit
== 1 )
2425 // this is the only thing the control is going to grok
2426 cf
.cbSize
= sizeof(CHARFORMAT
);
2431 // CHARFORMAT or CHARFORMAT2
2432 cf
.cbSize
= sizeof(cf
);
2435 if ( style
.HasFont() )
2437 // VZ: CFM_CHARSET doesn't seem to do anything at all in RichEdit 2.0
2438 // but using it doesn't seem to hurt neither so leaving it for now
2440 cf
.dwMask
|= CFM_FACE
| CFM_SIZE
| CFM_CHARSET
|
2441 CFM_ITALIC
| CFM_BOLD
| CFM_UNDERLINE
;
2443 // fill in data from LOGFONT but recalculate lfHeight because we need
2444 // the real height in twips and not the negative number which
2445 // wxFillLogFont() returns (this is correct in general and works with
2446 // the Windows font mapper, but not here)
2448 wxFillLogFont(&lf
, &style
.GetFont());
2449 cf
.yHeight
= 20*style
.GetFont().GetPointSize(); // 1 pt = 20 twips
2450 cf
.bCharSet
= lf
.lfCharSet
;
2451 cf
.bPitchAndFamily
= lf
.lfPitchAndFamily
;
2452 wxStrncpy( cf
.szFaceName
, lf
.lfFaceName
, WXSIZEOF(cf
.szFaceName
) );
2454 // also deal with underline/italic/bold attributes: note that we must
2455 // always set CFM_ITALIC &c bits in dwMask, even if we don't set the
2456 // style to allow clearing it
2459 cf
.dwEffects
|= CFE_ITALIC
;
2462 if ( lf
.lfWeight
== FW_BOLD
)
2464 cf
.dwEffects
|= CFE_BOLD
;
2467 if ( lf
.lfUnderline
)
2469 cf
.dwEffects
|= CFE_UNDERLINE
;
2472 // strikeout fonts are not supported by wxWidgets
2475 if ( style
.HasTextColour() )
2477 cf
.dwMask
|= CFM_COLOR
;
2478 cf
.crTextColor
= wxColourToRGB(style
.GetTextColour());
2482 if ( m_verRichEdit
!= 1 && style
.HasBackgroundColour() )
2484 cf
.dwMask
|= CFM_BACKCOLOR
;
2485 cf
.crBackColor
= wxColourToRGB(style
.GetBackgroundColour());
2487 #endif // wxUSE_RICHEDIT2
2489 // do format the selection
2490 bool ok
= ::SendMessage(GetHwnd(), EM_SETCHARFORMAT
,
2491 SCF_SELECTION
, (LPARAM
)&cf
) != 0;
2494 wxLogDebug(_T("SendMessage(EM_SETCHARFORMAT, SCF_SELECTION) failed"));
2497 // now do the paragraph formatting
2500 // we can't use PARAFORMAT2 with RichEdit 1.0, so pretend it is a simple
2501 // PARAFORMAT in that case
2503 if ( m_verRichEdit
== 1 )
2505 // this is the only thing the control is going to grok
2506 pf
.cbSize
= sizeof(PARAFORMAT
);
2511 // PARAFORMAT or PARAFORMAT2
2512 pf
.cbSize
= sizeof(pf
);
2515 if (style
.HasAlignment())
2517 pf
.dwMask
|= PFM_ALIGNMENT
;
2518 if (style
.GetAlignment() == wxTEXT_ALIGNMENT_RIGHT
)
2519 pf
.wAlignment
= PFA_RIGHT
;
2520 else if (style
.GetAlignment() == wxTEXT_ALIGNMENT_CENTRE
)
2521 pf
.wAlignment
= PFA_CENTER
;
2522 else if (style
.GetAlignment() == wxTEXT_ALIGNMENT_JUSTIFIED
)
2523 pf
.wAlignment
= PFA_JUSTIFY
;
2525 pf
.wAlignment
= PFA_LEFT
;
2528 if (style
.HasLeftIndent())
2530 pf
.dwMask
|= PFM_STARTINDENT
| PFM_OFFSET
;
2532 // Convert from 1/10 mm to TWIPS
2533 pf
.dxStartIndent
= (int) (((double) style
.GetLeftIndent()) * mm2twips
/ 10.0) ;
2534 pf
.dxOffset
= (int) (((double) style
.GetLeftSubIndent()) * mm2twips
/ 10.0) ;
2537 if (style
.HasRightIndent())
2539 pf
.dwMask
|= PFM_RIGHTINDENT
;
2541 // Convert from 1/10 mm to TWIPS
2542 pf
.dxRightIndent
= (int) (((double) style
.GetRightIndent()) * mm2twips
/ 10.0) ;
2545 if (style
.HasTabs())
2547 pf
.dwMask
|= PFM_TABSTOPS
;
2549 const wxArrayInt
& tabs
= style
.GetTabs();
2551 pf
.cTabCount
= (SHORT
)wxMin(tabs
.GetCount(), MAX_TAB_STOPS
);
2553 for (i
= 0; i
< (size_t) pf
.cTabCount
; i
++)
2555 // Convert from 1/10 mm to TWIPS
2556 pf
.rgxTabs
[i
] = (int) (((double) tabs
[i
]) * mm2twips
/ 10.0) ;
2562 // do format the selection
2563 bool ok
= ::SendMessage(GetHwnd(), EM_SETPARAFORMAT
,
2564 0, (LPARAM
) &pf
) != 0;
2567 wxLogDebug(_T("SendMessage(EM_SETPARAFORMAT, 0) failed"));
2573 // restore the original selection
2574 DoSetSelection(startOld
, endOld
, false);
2580 bool wxTextCtrl::SetDefaultStyle(const wxTextAttr
& style
)
2582 if ( !wxTextCtrlBase::SetDefaultStyle(style
) )
2587 // we have to do this or the style wouldn't apply for the text typed by
2589 wxTextPos posLast
= GetLastPosition();
2590 SetStyle(posLast
, posLast
, m_defaultStyle
);
2596 bool wxTextCtrl::GetStyle(long position
, wxTextAttr
& style
)
2600 // can't do it with normal text control
2604 // initialize CHARFORMAT struct
2613 // we can't use CHARFORMAT2 with RichEdit 1.0, so pretend it is a simple
2614 // CHARFORMAT in that case
2616 if ( m_verRichEdit
== 1 )
2618 // this is the only thing the control is going to grok
2619 cf
.cbSize
= sizeof(CHARFORMAT
);
2624 // CHARFORMAT or CHARFORMAT2
2625 cf
.cbSize
= sizeof(cf
);
2627 // we can only change the format of the selection, so select the range we
2628 // want and restore the old selection later
2629 long startOld
, endOld
;
2630 GetSelection(&startOld
, &endOld
);
2632 // but do we really have to change the selection?
2633 bool changeSel
= position
!= startOld
|| position
!= endOld
;
2637 DoSetSelection(position
, position
+1, false /* don't scroll caret into view */);
2640 // get the selection formatting
2641 (void) ::SendMessage(GetHwnd(), EM_GETCHARFORMAT
,
2642 SCF_SELECTION
, (LPARAM
)&cf
) ;
2646 lf
.lfHeight
= cf
.yHeight
;
2648 lf
.lfCharSet
= ANSI_CHARSET
; // FIXME: how to get correct charset?
2649 lf
.lfClipPrecision
= 0;
2650 lf
.lfEscapement
= 0;
2651 wxStrcpy(lf
.lfFaceName
, cf
.szFaceName
);
2653 //NOTE: we _MUST_ set each of these values to _something_ since we
2654 //do not call wxZeroMemory on the LOGFONT lf
2655 if (cf
.dwEffects
& CFE_ITALIC
)
2658 lf
.lfItalic
= FALSE
;
2660 lf
.lfOrientation
= 0;
2661 lf
.lfPitchAndFamily
= cf
.bPitchAndFamily
;
2664 if (cf
.dwEffects
& CFE_STRIKEOUT
)
2665 lf
.lfStrikeOut
= TRUE
;
2667 lf
.lfStrikeOut
= FALSE
;
2669 if (cf
.dwEffects
& CFE_UNDERLINE
)
2670 lf
.lfUnderline
= TRUE
;
2672 lf
.lfUnderline
= FALSE
;
2674 if (cf
.dwEffects
& CFE_BOLD
)
2675 lf
.lfWeight
= FW_BOLD
;
2677 lf
.lfWeight
= FW_NORMAL
;
2679 wxFont font
= wxCreateFontFromLogFont(& lf
);
2682 style
.SetFont(font
);
2684 style
.SetTextColour(wxColour(cf
.crTextColor
));
2687 if ( m_verRichEdit
!= 1 )
2689 // cf.dwMask |= CFM_BACKCOLOR;
2690 style
.SetBackgroundColour(wxColour(cf
.crBackColor
));
2692 #endif // wxUSE_RICHEDIT2
2694 // now get the paragraph formatting
2697 // we can't use PARAFORMAT2 with RichEdit 1.0, so pretend it is a simple
2698 // PARAFORMAT in that case
2700 if ( m_verRichEdit
== 1 )
2702 // this is the only thing the control is going to grok
2703 pf
.cbSize
= sizeof(PARAFORMAT
);
2708 // PARAFORMAT or PARAFORMAT2
2709 pf
.cbSize
= sizeof(pf
);
2712 // do format the selection
2713 (void) ::SendMessage(GetHwnd(), EM_GETPARAFORMAT
, 0, (LPARAM
) &pf
) ;
2715 style
.SetLeftIndent( (int) ((double) pf
.dxStartIndent
* twips2mm
* 10.0), (int) ((double) pf
.dxOffset
* twips2mm
* 10.0) );
2716 style
.SetRightIndent( (int) ((double) pf
.dxRightIndent
* twips2mm
* 10.0) );
2718 if (pf
.wAlignment
== PFA_CENTER
)
2719 style
.SetAlignment(wxTEXT_ALIGNMENT_CENTRE
);
2720 else if (pf
.wAlignment
== PFA_RIGHT
)
2721 style
.SetAlignment(wxTEXT_ALIGNMENT_RIGHT
);
2722 else if (pf
.wAlignment
== PFA_JUSTIFY
)
2723 style
.SetAlignment(wxTEXT_ALIGNMENT_JUSTIFIED
);
2725 style
.SetAlignment(wxTEXT_ALIGNMENT_LEFT
);
2727 wxArrayInt tabStops
;
2729 for (i
= 0; i
< (size_t) pf
.cTabCount
; i
++)
2731 tabStops
.Add( (int) ((double) (pf
.rgxTabs
[i
] & 0xFFFF) * twips2mm
* 10.0) );
2736 // restore the original selection
2737 DoSetSelection(startOld
, endOld
, false);
2745 // ----------------------------------------------------------------------------
2747 // ----------------------------------------------------------------------------
2749 static const HINSTANCE INVALID_HINSTANCE
= (HINSTANCE
)-1;
2751 bool wxRichEditModule::OnInit()
2753 // don't do anything - we will load it when needed
2757 void wxRichEditModule::OnExit()
2759 for ( size_t i
= 0; i
< WXSIZEOF(ms_hRichEdit
); i
++ )
2761 if ( ms_hRichEdit
[i
] && ms_hRichEdit
[i
] != INVALID_HINSTANCE
)
2763 ::FreeLibrary(ms_hRichEdit
[i
]);
2764 ms_hRichEdit
[i
] = NULL
;
2768 if (ms_inkEditLib
.IsLoaded())
2769 ms_inkEditLib
.Unload();
2774 bool wxRichEditModule::Load(Version version
)
2776 if ( ms_hRichEdit
[version
] == INVALID_HINSTANCE
)
2778 // we had already tried to load it and failed
2782 if ( ms_hRichEdit
[version
] )
2784 // we've already got this one
2788 static const wxChar
*dllnames
[] =
2795 wxCOMPILE_TIME_ASSERT( WXSIZEOF(dllnames
) == Version_Max
,
2796 RichEditDllNamesVersionsMismatch
);
2798 ms_hRichEdit
[version
] = ::LoadLibrary(dllnames
[version
]);
2800 if ( !ms_hRichEdit
[version
] )
2802 ms_hRichEdit
[version
] = INVALID_HINSTANCE
;
2811 // load the InkEdit library
2812 bool wxRichEditModule::LoadInkEdit()
2814 static wxDynamicLibrary ms_inkEditLib
;
2815 static bool ms_inkEditLibLoadAttemped
;
2816 if (ms_inkEditLibLoadAttemped
)
2817 ms_inkEditLib
.IsLoaded();
2819 ms_inkEditLibLoadAttemped
= true;
2822 return ms_inkEditLib
.Load(wxT("inked"));
2827 #endif // wxUSE_RICHEDIT
2829 #endif // wxUSE_TEXTCTRL && !(__SMARTPHONE__ && __WXWINCE__)