private void OnPropertyChanged(DependencyObject source, DependencyPropertyChangedEventArgs e)
{
if (e.Property.Name == FontFamilyProperty.Name)
{
FontFamily ff = (FontFamily)e.NewValue;
using (var us = new Utf8String(ff.Source))
{
_scintilla.CallScintilla(SCI_STYLESETFONT, new IntPtr(Index), us.Pointer);
}
return;
}
if (e.Property.Name == FontSizeProperty.Name)
{
double size = (double)e.NewValue;
_scintilla.CallScintilla(SCI_STYLESETSIZE, Index, (int)size);
return;
}
if (e.Property.Name == ForegroundProperty.Name)
{
_scintilla.CallScintilla(SCI_STYLESETFORE, Index, ToScintillaColor(Foreground, Colors.Black));
return;
}
if (e.Property.Name == BackgroundProperty.Name)
{
_scintilla.CallScintilla(SCI_STYLESETBACK, Index, ToScintillaColor(Background, Colors.White));
return;
}
if (e.Property.Name == FontWeightProperty.Name)
{
FontWeight w = (FontWeight)e.NewValue;
int h = w.GetHashCode(); // yes, it's the value
_scintilla.CallScintilla(SCI_STYLESETWEIGHT, Index, h);
return;
}
if (e.Property.Name == TextDecorationsProperty.Name)
{
bool underline = false;
foreach (var td in TextDecorations)
{
if (td.Location == TextDecorationLocation.Underline)
{
underline = true;
_scintilla.CallScintilla(SCI_STYLESETUNDERLINE, Index, 1);
}
}
if (!underline)
{
_scintilla.CallScintilla(SCI_STYLESETUNDERLINE, Index, 0);
}
return;
}
if (e.Property.Name == IsVisibleProperty.Name)
{
_scintilla.CallScintilla(SCI_STYLESETVISIBLE, Index, (bool)e.NewValue ? 1 : 0);
return;
}
if (e.Property.Name == FontStyleProperty.Name)
{
FontStyle s = (FontStyle)e.NewValue;
if (FontStyles.Italic.Equals(s))
{
_scintilla.CallScintilla(SCI_STYLESETITALIC, Index, 1);
}
else if (FontStyles.Normal.Equals(s))
{
_scintilla.CallScintilla(SCI_STYLESETITALIC, Index, 0);
}
return;
}
}
