{
// yes, class name for version 4.1 really is 5.0
windowClass = wxT("RICHEDIT50W");
+
+ m_verRichEdit = 4;
}
else if ( wxRichEditModule::Load(wxRichEditModule::Version_2or3) )
{
// don't do this if we're frozen, saves some time
if ( !IsFrozen() && IsMultiLine() && GetRichVersion() > 1 )
{
- // setting the caret to the end and showing it simply doesn't work for
- // RichEdit 2.0 -- force it to still do what we want
- ::SendMessage(GetHwnd(), EM_LINESCROLL, 0, GetNumberOfLines());
+ ::SendMessage(GetHwnd(), WM_VSCROLL, SB_BOTTOM, NULL);
}
#endif // wxUSE_RICHEDIT
}
if ( !wxTextCtrlBase::SetFont(font) )
return false;
- if ( IsRich() )
+ if ( GetRichVersion() >= 4 )
{
- // Using WM_SETFONT doesn't work reliably with rich edit controls: as
- // an example, if we set a fixed width font for a richedit 4.1 control,
- // it's used for the ASCII characters but inserting any non-ASCII ones
- // switches the font to a proportional one, whether it's done
- // programmatically or not. So just use EM_SETCHARFORMAT for this too.
+ // Using WM_SETFONT is not enough with RichEdit 4.1: it does work but
+ // for ASCII characters only and inserting a non-ASCII one into it
+ // later reverts to the default font so use EM_SETCHARFORMAT to change
+ // the default font for it.
wxTextAttr attr;
attr.SetFont(font);
- SetDefaultStyle(attr);
+ SetStyle(-1, -1, attr);
}
return true;
// styling support for rich edit controls
// ----------------------------------------------------------------------------
-bool wxTextCtrl::SetStyle(long start, long end, const wxTextAttr& style)
+bool wxTextCtrl::MSWSetCharFormat(const wxTextAttr& style, long start, long end)
{
- if ( !IsRich() )
- {
- // can't do it with normal text control
- return false;
- }
-
- // the richedit 1.0 doesn't handle setting background colour, so don't
- // even try to do anything if it's the only thing we want to change
- if ( m_verRichEdit == 1 && !style.HasFont() && !style.HasTextColour() &&
- !style.HasLeftIndent() && !style.HasRightIndent() && !style.HasAlignment() &&
- !style.HasTabs() )
- {
- // nothing to do: return true if there was really nothing to do and
- // false if we failed to set bg colour
- return !style.HasBackgroundColour();
- }
-
- // order the range if needed
- if ( start > end )
- {
- long tmp = start;
- start = end;
- end = tmp;
- }
-
- // we can only change the format of the selection, so select the range we
- // want and restore the old selection later
- long startOld, endOld;
- GetSelection(&startOld, &endOld);
-
- // but do we really have to change the selection?
- bool changeSel = start != startOld || end != endOld;
-
- if ( changeSel )
- {
- DoSetSelection(start, end, SetSel_NoScroll);
- }
-
// initialize CHARFORMAT struct
#if wxUSE_RICHEDIT2
CHARFORMAT2 cf;
}
#endif // wxUSE_RICHEDIT2
- // do format the selection
- bool ok = ::SendMessage(GetHwnd(), EM_SETCHARFORMAT,
- SCF_SELECTION, (LPARAM)&cf) != 0;
- if ( !ok )
+ // Apply the style either to the selection or to the entire control.
+ WPARAM selMode;
+ if ( start != -1 || end != -1 )
+ {
+ DoSetSelection(start, end, SetSel_NoScroll);
+ selMode = SCF_SELECTION;
+ }
+ else
+ {
+ selMode = SCF_ALL;
+ }
+
+ if ( !::SendMessage(GetHwnd(), EM_SETCHARFORMAT, selMode, (LPARAM)&cf) )
{
- wxLogDebug(wxT("SendMessage(EM_SETCHARFORMAT, SCF_SELECTION) failed"));
+ wxLogLastError(wxT("SendMessage(EM_SETCHARFORMAT)"));
+ return false;
}
- // now do the paragraph formatting
+ return true;
+}
+
+bool wxTextCtrl::MSWSetParaFormat(const wxTextAttr& style, long start, long end)
+{
+#if wxUSE_RICHEDIT2
PARAFORMAT2 pf;
+#else
+ PARAFORMAT pf;
+#endif
+
wxZeroMemory(pf);
+
// we can't use PARAFORMAT2 with RichEdit 1.0, so pretend it is a simple
// PARAFORMAT in that case
#if wxUSE_RICHEDIT2
if ( pf.dwMask )
{
- // do format the selection
- bool ok = ::SendMessage(GetHwnd(), EM_SETPARAFORMAT,
- 0, (LPARAM) &pf) != 0;
- if ( !ok )
+ // Do format the selection.
+ DoSetSelection(start, end, SetSel_NoScroll);
+
+ if ( !::SendMessage(GetHwnd(), EM_SETPARAFORMAT, 0, (LPARAM) &pf) )
{
- wxLogDebug(wxT("SendMessage(EM_SETPARAFORMAT, 0) failed"));
+ wxLogLastError(wxT("SendMessage(EM_SETPARAFORMAT)"));
+
+ return false;
}
}
- if ( changeSel )
+ return true;
+}
+
+bool wxTextCtrl::SetStyle(long start, long end, const wxTextAttr& style)
+{
+ if ( !IsRich() )
+ {
+ // can't do it with normal text control
+ return false;
+ }
+
+ // the richedit 1.0 doesn't handle setting background colour, so don't
+ // even try to do anything if it's the only thing we want to change
+ if ( m_verRichEdit == 1 && !style.HasFont() && !style.HasTextColour() &&
+ !style.HasLeftIndent() && !style.HasRightIndent() && !style.HasAlignment() &&
+ !style.HasTabs() )
+ {
+ // nothing to do: return true if there was really nothing to do and
+ // false if we failed to set bg colour
+ return !style.HasBackgroundColour();
+ }
+
+ // order the range if needed
+ if ( start > end )
+ wxSwap(start, end);
+
+ // we can only change the format of the selection, so select the range we
+ // want and restore the old selection later, after MSWSetXXXFormat()
+ // functions (possibly) change it.
+ long startOld, endOld;
+ GetSelection(&startOld, &endOld);
+
+ bool ok = MSWSetCharFormat(style, start, end);
+ if ( !MSWSetParaFormat(style, start, end) )
+ ok = false;
+
+ if ( start != startOld || end != endOld )
{
// restore the original selection
DoSetSelection(startOld, endOld, SetSel_NoScroll);
projects / wxWidgets.git / blobdiff