internal static Size2i DefaultGetNaturalSize(Gtk.Widget wi)
{
wi.SetSizeRequest(-1, -1); //=unset, request natural size
var req = wi.SizeRequest();
return(new Size2i(req.Width, req.Height));
}
public override void DefaultPlace(object target, int x, int y, int w, int h)
{
Gtk.Widget wi = target as Gtk.Widget;
if (wi == null)
{
return;
}
Gtk.Fixed fix = wi.Parent as Gtk.Fixed;
if (fix != null)
{
fix.Move(wi, x, y);
wi.SetSizeRequest(w, h);
}
}
private void SetColumnWidth(int index, Widget widget, int width, bool? visible = null)
{
Column c = mColumns[widget];
if (c != null)
{
if (visible != null)
c.Visible = visible.Value;
int dx = width - c.Width;
c.Width += dx;
Requisition r = widget.SizeRequest();
widget.SetSizeRequest(c.Width, r.Height);
this.Move(widget, c.X - mCurrentScollOffset, TopOffset); // move to same position, helper to redraw parent
// move all following
for (int i = index + 1; i < mColumns.Count; i++)
{
var kvp = mColumns.ElementAt(i);
c = kvp.Value;
if (c.Visible)
{
widget = kvp.Key;
c.X += dx;
this.Move(widget, c.X - mCurrentScollOffset, TopOffset);
}
}
}
}
