- // we may have several different cases:
- // 1. normal case: both TAB and ENTER are used for dialog navigation
- // 2. ctrl which wants TAB for itself: ENTER is used to pass to the next
- // control in the dialog
- // 3. ctrl which wants ENTER for itself: TAB is used for dialog navigation
- // 4. ctrl which wants both TAB and ENTER: Ctrl-ENTER is used to pass to
- // the next control
- if ( m_windowStyle & wxTE_PROCESS_ENTER )
- lRc |= DLGC_WANTMESSAGE;
- if ( m_windowStyle & wxTE_PROCESS_TAB )
- lRc |= DLGC_WANTTAB;
+ // the rich text control doesn't handle setting background colour, so don't
+ // even try if it's the only thing we want to change
+ if ( wxRichEditModule::GetLoadedVersion() < 2 &&
+ !style.HasFont() && !style.HasTextColour() )
+ {
+ // 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 )
+ SendMessage(GetHwnd(), EM_SETSEL, (WPARAM) start, (LPARAM) end);
+
+ // initialize CHARFORMAT struct
+#if wxUSE_RICHEDIT2
+ CHARFORMAT2 cf;
+#else
+ CHARFORMAT cf;
+#endif
+ wxZeroMemory(cf);
+ cf.cbSize = sizeof(cf);
+
+ if ( style.HasFont() )
+ {
+ cf.dwMask |= CFM_FACE | CFM_SIZE | CFM_CHARSET;
+
+ // fill in data from LOGFONT but recalculate lfHeight because we need
+ // the real height in twips and not the negative number which
+ // wxFillLogFont() returns (this is correct in general and works with
+ // the Windows font mapper, but not here)
+ LOGFONT lf;
+ wxFillLogFont(&lf, &style.GetFont());
+ cf.yHeight = 20*style.GetFont().GetPointSize(); // 1 pt = 20 twips
+ cf.bCharSet = lf.lfCharSet;
+ cf.bPitchAndFamily = lf.lfPitchAndFamily;
+ wxStrncpy( cf.szFaceName, lf.lfFaceName, WXSIZEOF(cf.szFaceName) );
+
+ // also deal with underline/italic/bold attributes
+ if ( lf.lfItalic )
+ {
+ cf.dwMask |= CFM_ITALIC;
+ cf.dwEffects |= CFE_ITALIC;
+ }
+
+ if ( lf.lfWeight == FW_BOLD )
+ {
+ cf.dwMask |= CFM_BOLD;
+ cf.dwEffects |= CFE_BOLD;
+ }
+
+ if ( lf.lfUnderline )
+ {
+ cf.dwMask |= CFM_UNDERLINE;
+ cf.dwEffects |= CFE_UNDERLINE;
+ }
+
+ // strikeout fonts are not supported by wxWindows
+ }
+
+ if ( style.HasTextColour() )
+ {
+ cf.dwMask |= CFM_COLOR;
+ cf.crTextColor = wxColourToRGB(style.GetTextColour());
+ }
+
+#if wxUSE_RICHEDIT2
+#ifndef CFM_BACKCOLOR
+#define CFM_BACKCOLOR 0x04000000
+#endif
+
+ if ( wxRichEditModule::GetLoadedVersion() > 1 && style.HasBackgroundColour() )
+ {
+ cf.dwMask |= CFM_BACKCOLOR;
+ cf.crBackColor = wxColourToRGB(style.GetBackgroundColour());
+ }
+#endif
+ // do format the selection
+ bool ok = ::SendMessage(GetHwnd(), EM_SETCHARFORMAT,
+ SCF_SELECTION, (LPARAM)&cf) != 0;
+ if ( !ok )
+ {
+ wxLogDebug(_T("SendMessage(EM_SETCHARFORMAT, SCF_SELECTION) failed"));
+ }
projects / wxWidgets.git / blobdiff