void CalcTextWidth()
{
using (Pango.Layout layout = DockServices.Drawing.ThemedPangoLayout()) {
char accel;
string text = GLib.Markup.EscapeText(item.Text.Replace("\n", ""));
if (item.Mnemonic.HasValue)
{
layout.SetMarkupWithAccel(text, '_', out accel);
}
else
{
layout.SetMarkup(text);
}
layout.FontDescription = Style.FontDescription;
layout.Ellipsize = Pango.EllipsizeMode.End;
layout.FontDescription.AbsoluteSize = Pango.Units.FromPixels(FontSize);
layout.FontDescription.Weight = Pango.Weight.Bold;
Pango.Rectangle logical, ink;
layout.GetPixelExtents(out ink, out logical);
TextWidth = Math.Min(MaxWidth, Math.Max(MinWidth, logical.Width));
HasTooltip = TextWidth < logical.Width;
layout.Context.Dispose();
}
SetSize();
}
protected override bool OnExposeEvent(EventExpose evnt)
{
if (!IsRealized)
{
return(false);
}
Gdk.Rectangle allocation = Allocation;
int pixbufSize = allocation.Height - IconBuffer * 2;
if (item.ShowIcons && (icon_surface == null || (icon_surface.Height != pixbufSize && icon_surface.Width != pixbufSize)))
{
if (icon_surface != null)
{
icon_surface.Dispose();
}
if (emblem_surface != null)
{
emblem_surface.Dispose();
}
if (item.ForcePixbuf == null)
{
icon_surface = LoadIcon(item.Icon, pixbufSize);
}
else
{
icon_surface = LoadIcon(item.ForcePixbuf, pixbufSize);
}
if (!string.IsNullOrEmpty(item.Emblem))
{
emblem_surface = LoadIcon(item.Emblem, pixbufSize);
}
}
using (Cairo.Context cr = Gdk.CairoHelper.Create(evnt.Window)) {
if (Selected && !item.Disabled)
{
cr.Rectangle(allocation.X, allocation.Y, allocation.Width, allocation.Height);
cr.Color = TextColor.SetAlpha(.1);
cr.Fill();
}
if (item.ShowIcons)
{
PlaceSurface(cr, icon_surface, allocation);
cr.PaintWithAlpha(item.Disabled ? 0.5 : 1);
if (item.Bold)
{
cr.Operator = Operator.Add;
PlaceSurface(cr, icon_surface, allocation);
cr.PaintWithAlpha(.8);
cr.Operator = Operator.Over;
}
if (!string.IsNullOrEmpty(item.Emblem))
{
PlaceSurface(cr, emblem_surface, allocation);
cr.Paint();
}
}
using (Pango.Layout layout = DockServices.Drawing.ThemedPangoLayout()) {
char accel;
string text = GLib.Markup.EscapeText(item.Text.Replace("\n", ""));
if (item.Mnemonic.HasValue)
{
layout.SetMarkupWithAccel(text, '_', out accel);
}
else
{
layout.SetMarkup(text);
}
layout.Width = Pango.Units.FromPixels(TextWidth);
layout.FontDescription = Style.FontDescription;
layout.Ellipsize = Pango.EllipsizeMode.End;
layout.FontDescription.AbsoluteSize = Pango.Units.FromPixels(FontSize);
layout.FontDescription.Weight = Pango.Weight.Bold;
Pango.Rectangle logical, ink;
layout.GetPixelExtents(out ink, out logical);
int offset = Padding;
if (MenuShowingIcons)
{
offset += MenuHeight + Padding;
}
cr.MoveTo(allocation.X + offset, allocation.Y + (allocation.Height - logical.Height) / 2);
Pango.CairoHelper.LayoutPath(cr, layout);
cr.Color = TextColor.SetAlpha(item.Disabled ? 0.5 : 1);
cr.Fill();
layout.Context.Dispose();
}
(cr.Target as IDisposable).Dispose();
}
return(true);
}