#endif // wxUSE_RICHEDIT
-// ----------------------------------------------------------------------------
-// private functions
-// ----------------------------------------------------------------------------
-
-#if wxUSE_RICHEDIT
-
-DWORD CALLBACK wxRichEditStreamIn(DWORD dwCookie, BYTE *buf, LONG cb, LONG *pcb);
-
-#endif // wxUSE_RICHEDIT
-
// ----------------------------------------------------------------------------
// private classes
// ----------------------------------------------------------------------------
int len = GetWindowTextLength(GetHwnd());
if ( len > from )
{
+ if ( to == -1 )
+ to = len;
+
+#if !wxUSE_UNICODE
+ // we must use EM_STREAMOUT if we don't want to lose all characters
+ // not representable in the current character set (EM_GETTEXTRANGE
+ // simply replaces them with question marks...)
+ //
+ // as EM_STREAMOUT only works for the entire controls contents (or
+ // just the selection but it's probably a bad idea to play games
+ // with selection here...), we can't use it unless we're called
+ // from GetValue(), i.e. we want to retrieve all text
+ if ( GetRichVersion() > 1 && (from == 0 && to >= len) )
+ {
+ wxFont font = m_defaultStyle.GetFont();
+ if ( !font.Ok() )
+ font = GetFont();
+
+ if ( font.Ok() )
+ {
+ wxFontEncoding encoding = font.GetEncoding();
+ if ( encoding != wxFONTENCODING_SYSTEM )
+ {
+ str = StreamOut(encoding);
+ }
+ }
+ }
+
+ // StreamOut() wasn't used or failed, try to do it in normal way
+ if ( str.empty() )
+#endif // !wxUSE_UNICODE
{
// alloc one extra WORD as needed by the control
wxStringBuffer tmp(str, ++len);
TEXTRANGE textRange;
textRange.chrg.cpMin = from;
- textRange.chrg.cpMax = to == -1 ? len : to;
+ textRange.chrg.cpMax = to;
textRange.lpstrText = p;
(void)SendMessage(GetHwnd(), EM_GETTEXTRANGE,
#if wxUSE_RICHEDIT && (!wxUSE_UNICODE || wxUSE_UNICODE_MSLU)
-DWORD CALLBACK wxRichEditStreamIn(DWORD dwCookie, BYTE *buf, LONG cb, LONG *pcb)
+// TODO: using memcpy() would improve performance a lot for big amounts of text
+
+DWORD CALLBACK
+wxRichEditStreamIn(DWORD dwCookie, BYTE *buf, LONG cb, LONG *pcb)
{
*pcb = 0;
+ const wchar_t ** const ppws = (const wchar_t **)dwCookie;
+
wchar_t *wbuf = (wchar_t *)buf;
- const wchar_t *wpc = *(const wchar_t **)dwCookie;
+ const wchar_t *wpc = *ppws;
while ( cb && *wpc )
{
*wbuf++ = *wpc++;
(*pcb) += sizeof(wchar_t);
}
- *(const wchar_t **)dwCookie = wpc;
+ *ppws = wpc;
+
+ return 0;
+}
+
+DWORD CALLBACK
+wxRichEditStreamOut(DWORD dwCookie, BYTE *buf, LONG cb, LONG *pcb)
+{
+ *pcb = 0;
+
+ wchar_t ** const ppws = (wchar_t **)dwCookie;
+
+ const wchar_t *wbuf = (const wchar_t *)buf;
+ wchar_t *wpc = *ppws;
+ while ( cb && *wpc )
+ {
+ *wpc++ = *wbuf++;
+
+ cb -= sizeof(wchar_t);
+ (*pcb) += sizeof(wchar_t);
+ }
+
+ *ppws = wpc;
return 0;
}
-// from utils.cpp
-extern WXDLLIMPEXP_BASE long wxEncodingToCodepage(wxFontEncoding encoding);
#if wxUSE_UNICODE_MSLU
-bool wxTextCtrl::StreamIn(const wxString& value,
- wxFontEncoding WXUNUSED(encoding),
- bool selectionOnly)
+ #define UNUSED_IF_MSLU(param)
+#else
+ #define UNUSED_IF_MSLU(param) param
+#endif
+
+bool
+wxTextCtrl::StreamIn(const wxString& value,
+ wxFontEncoding UNUSED_IF_MSLU(encoding),
+ bool selectionOnly)
{
+#if wxUSE_UNICODE_MSLU
const wchar_t *wpc = value.c_str();
#else // !wxUSE_UNICODE_MSLU
-bool wxTextCtrl::StreamIn(const wxString& value,
- wxFontEncoding encoding,
- bool selectionOnly)
-{
- // we have to use EM_STREAMIN to force richedit control 2.0+ to show any
- // text in the non default charset -- otherwise it thinks it knows better
- // than we do and always shows it in the default one
+ wxCSConv conv(encoding);
- // first get the Windows code page for this encoding
- long codepage = wxEncodingToCodepage(encoding);
- if ( codepage == -1 )
- {
- // unknown encoding
- return FALSE;
- }
-
- // next translate to Unicode using this code page
- int len = ::MultiByteToWideChar(codepage, 0, value, -1, NULL, 0);
+ const size_t len = conv.MB2WC(NULL, value, value.length());
#if wxUSE_WCHAR_T
wxWCharBuffer wchBuf(len);
+ wchar_t *wpc = wchBuf.data();
#else
wchar_t *wchBuf = (wchar_t *)malloc((len + 1)*sizeof(wchar_t));
+ wchar_t *wpc = wchBuf;
#endif
- if ( !::MultiByteToWideChar(codepage, 0, value, -1,
- (wchar_t *)(const wchar_t *)wchBuf, len) )
- {
- wxLogLastError(_T("MultiByteToWideChar"));
- }
-
- // finally, stream it in the control
- const wchar_t *wpc = wchBuf;
+ conv.MB2WC(wpc, value, value.length());
#endif // wxUSE_UNICODE_MSLU
+ // finally, stream it in the control
EDITSTREAM eds;
wxZeroMemory(eds);
eds.dwCookie = (DWORD)&wpc;
return TRUE;
}
+#if !wxUSE_UNICODE_MSLU
+
+wxString
+wxTextCtrl::StreamOut(wxFontEncoding encoding, bool selectionOnly) const
+{
+ wxString out;
+
+ const int len = GetWindowTextLength(GetHwnd());
+
+#if wxUSE_WCHAR_T
+ wxWCharBuffer wchBuf(len);
+ wchar_t *wpc = wchBuf.data();
+#else
+ wchar_t *wchBuf = (wchar_t *)malloc((len + 1)*sizeof(wchar_t));
+ wchar_t *wpc = wchBuf;
+#endif
+
+ EDITSTREAM eds;
+ wxZeroMemory(eds);
+ eds.dwCookie = (DWORD)&wpc;
+ eds.pfnCallback = wxRichEditStreamOut;
+
+ ::SendMessage
+ (
+ GetHwnd(),
+ EM_STREAMOUT,
+ SF_TEXT | SF_UNICODE | (selectionOnly ? SFF_SELECTION : 0),
+ (LPARAM)&eds
+ );
+
+ if ( eds.dwError )
+ {
+ wxLogLastError(_T("EM_STREAMOUT"));
+ }
+ else // streamed out ok
+ {
+ // now convert to the given encoding (this is a lossful conversion but
+ // what else can we do)
+ wxCSConv conv(encoding);
+ size_t lenNeeded = conv.WC2MB(NULL, wchBuf, len);
+ if ( lenNeeded )
+ {
+ conv.WC2MB(wxStringBuffer(out, lenNeeded), wchBuf, len);
+ }
+ }
+
+#if !wxUSE_WCHAR_T
+ free(wchBuf);
+#endif // !wxUSE_WCHAR_T
+
+ return out;
+}
+
+#endif // !wxUSE_UNICODE_MSLU
+
#endif // wxUSE_RICHEDIT
void wxTextCtrl::WriteText(const wxString& value)
wxFontEncoding encoding = font.GetEncoding();
if ( encoding != wxFONTENCODING_SYSTEM )
{
+ // we have to use EM_STREAMIN to force richedit control 2.0+
+ // to show any text in the non default charset -- otherwise
+ // it thinks it knows better than we do and always shows it
+ // in the default one
done = StreamIn(valueDos, encoding, selectionOnly);
}
}
return SendMessage(GetHwnd(), EM_GETMODIFY, 0, 0) != 0;
}
-// Makes 'unmodified'
+void wxTextCtrl::MarkDirty()
+{
+ SendMessage(GetHwnd(), EM_SETMODIFY, TRUE, 0L);
+}
+
void wxTextCtrl::DiscardEdits()
{
SendMessage(GetHwnd(), EM_SETMODIFY, FALSE, 0L);
projects / wxWidgets.git / blobdiff