// FIXME: Mutability bugs. multiple Links on the same line
// aren't getting renamed.
public bool MoveNext()
{
Gtk.TextIter iter = buffer.GetIterAtMark(mark);
if (iter.Equal(buffer.EndIter))
{
range.Destroy();
buffer.DeleteMark(mark);
return(false);
}
if (!iter.ForwardToTagToggle(tag))
{
range.Destroy();
buffer.DeleteMark(mark);
return(false);
}
if (!iter.BeginsTag(tag))
{
buffer.MoveMark(mark, iter);
return(MoveNext());
}
range.Start = iter;
if (!iter.ForwardToTagToggle(tag))
{
range.Destroy();
buffer.DeleteMark(mark);
return(false);
}
if (!iter.EndsTag(tag))
{
buffer.MoveMark(mark, iter);
return(MoveNext());
}
range.End = iter;
buffer.MoveMark(mark, iter);
return(true);
}
public void GetExtents(Gtk.TextIter iter,
out Gtk.TextIter start,
out Gtk.TextIter end)
{
start = iter;
if (!start.BeginsTag(this))
{
start.BackwardToTagToggle(this);
}
end = iter;
end.ForwardToTagToggle(this);
}
public void Split(Gtk.TextIter iter,
Gtk.TextBuffer buffer)
{
foreach (Gtk.TextTag tag in iter.Tags)
{
NoteTag noteTag = tag as NoteTag;
if (noteTag != null && !noteTag.CanSplit)
{
Gtk.TextIter start = iter;
Gtk.TextIter end = iter;
// We only care about enclosing tags
if (start.TogglesTag(tag) || end.TogglesTag(tag))
{
continue;
}
start.BackwardToTagToggle(tag);
end.ForwardToTagToggle(tag);
AddSplitTag(start, end, tag);
buffer.RemoveTag(tag, start, end);
}
}
}
private IEnumerable <Pango.Attribute> GetParagraphAttributes(
Pango.Layout layout, double dpiX, out int indentation,
ref Gtk.TextIter position, Gtk.TextIter limit)
{
IList <Pango.Attribute> attributes = new List <Pango.Attribute> ();
indentation = 0;
Gtk.TextTag [] tags = position.Tags;
position.ForwardToTagToggle(null);
if (position.Compare(limit) > 0)
{
position = limit;
}
double screen_dpiX = Note.Window.Screen.WidthMm * 254d / Note.Window.Screen.Width;
foreach (Gtk.TextTag tag in tags)
{
if (tag.BackgroundSet)
{
Gdk.Color color = tag.BackgroundGdk;
attributes.Add(new Pango.AttrBackground(
color.Red, color.Green, color.Blue));
}
if (tag.ForegroundSet)
{
Gdk.Color color = tag.ForegroundGdk;
attributes.Add(new Pango.AttrForeground(
color.Red, color.Green, color.Blue));
}
if (tag.IndentSet)
{
layout.Indent = tag.Indent;
}
if (tag.LeftMarginSet)
{
indentation = (int)(tag.LeftMargin / screen_dpiX * dpiX);
}
if (tag.RightMarginSet)
{
indentation = (int)(tag.RightMargin / screen_dpiX * dpiX);
}
if (tag.FontDesc != null)
{
attributes.Add(new Pango.AttrFontDesc(tag.FontDesc));
}
if (tag.FamilySet)
{
attributes.Add(new Pango.AttrFamily(tag.Family));
}
if (tag.SizeSet)
{
attributes.Add(new Pango.AttrSize(tag.Size));
}
if (tag.StyleSet)
{
attributes.Add(new Pango.AttrStyle(tag.Style));
}
if (tag.UnderlineSet && tag.Underline != Pango.Underline.Error)
{
attributes.Add(new Pango.AttrUnderline(tag.Underline));
}
if (tag.WeightSet)
{
attributes.Add(new Pango.AttrWeight(tag.Weight));
}
if (tag.StrikethroughSet)
{
attributes.Add(new Pango.AttrStrikethrough(tag.Strikethrough));
}
if (tag.RiseSet)
{
attributes.Add(new Pango.AttrRise(tag.Rise));
}
if (tag.ScaleSet)
{
attributes.Add(new Pango.AttrScale(tag.Scale));
}
if (tag.StretchSet)
{
attributes.Add(new Pango.AttrStretch(tag.Stretch));
}
}
return(attributes);
}