Banshee.Sources.Gui.SourceRowRenderer.Render C# (CSharp) Method

        protected override void Render (Gdk.Drawable drawable, Widget widget, Gdk.Rectangle background_area,
            Gdk.Rectangle cell_area, Gdk.Rectangle expose_area, CellRendererState flags)
        {
            if (source == null || source is SourceManager.GroupSource) {
                return;
            }

            view = widget as SourceView;
            bool selected = view != null && view.Selection.IterIsSelected (iter);
            StateType state = RendererStateToWidgetState (widget, flags);

            RenderSelection (drawable, background_area, selected, state);

            int title_layout_width = 0, title_layout_height = 0;
            int count_layout_width = 0, count_layout_height = 0;
            int max_title_layout_width;

            int img_padding = 6;
            int expander_icon_spacing = 3;
            int x = cell_area.X;
            bool np_etc = (source.Order + Depth * 100) < 40;
            if (!np_etc) {
                x += Depth * img_padding + (int)Xpad;
            } else {
                // Don't indent NowPlaying and Play Queue as much
                x += Math.Max (0, (int)Xpad - 2);
            }

            Gdk.GC main_gc = widget.Style.TextGC (state);

            // Draw the expander if the source has children
            double exp_h = (cell_area.Height - 2.0*Ypad) / 3.2;
            double exp_w = exp_h * 1.6;
            if (view != null && view.Cr != null && source.Children != null && source.Children.Count > 0) {
                var r = new Gdk.Rectangle (x, cell_area.Y + (int)((cell_area.Height - exp_h) / 2.0), (int)exp_w, (int)exp_h);
                view.Theme.DrawArrow (view.Cr, r, source.Expanded ? Math.PI/2.0 : 0.0);
            }

            if (!np_etc) {
                x += (int) exp_w;
                x += 2; // a little spacing after the expander
                expander_right_x = x;
            }

            // Draw icon
            Pixbuf icon = SourceIconResolver.ResolveIcon (source, RowHeight);

            bool dispose_icon = false;
            if (state == StateType.Insensitive) {
                // Code ported from gtk_cell_renderer_pixbuf_render()
                var icon_source = new IconSource () {
                    Pixbuf = icon,
                    Size = IconSize.SmallToolbar,
                    SizeWildcarded = false
                };

                icon = widget.Style.RenderIcon (icon_source, widget.Direction, state,
                    (IconSize)(-1), widget, "SourceRowRenderer");

                dispose_icon = true;
                icon_source.Dispose ();
            }

            if (icon != null) {
                x += expander_icon_spacing;
                drawable.DrawPixbuf (main_gc, icon, 0, 0,
                    x, Middle (cell_area, icon.Height),
                    icon.Width, icon.Height, RgbDither.None, 0, 0);

                x += icon.Width;

                if (dispose_icon) {
                    icon.Dispose ();
                }
            }

            // Setup font info for the title/count, and see if we should show the count
            bool hide_count = source.EnabledCount <= 0 || source.Properties.Get<bool> ("SourceView.HideCount");
            FontDescription fd = widget.PangoContext.FontDescription.Copy ();
            fd.Weight = (ISource)ServiceManager.PlaybackController.NextSource == (ISource)source
                ? Pango.Weight.Bold
                : Pango.Weight.Normal;

            if (view != null && source == view.NewPlaylistSource) {
                fd.Style = Pango.Style.Italic;
                hide_count = true;
            }

            Pango.Layout title_layout = new Pango.Layout (widget.PangoContext);
            Pango.Layout count_layout = null;

            // If we have a count to draw, setup its fonts and see how wide it is to see if we have room
            if (!hide_count) {
                count_layout = new Pango.Layout (widget.PangoContext);
                count_layout.FontDescription = fd;
                count_layout.SetMarkup (String.Format ("<span size=\"small\">{0}</span>", source.EnabledCount));
                count_layout.GetPixelSize (out count_layout_width, out count_layout_height);
            }

            // Hide the count if the title has no space
            max_title_layout_width = cell_area.Width - x - count_layout_width;//(icon == null ? 0 : icon.Width) - count_layout_width - 10;
            if (!hide_count && max_title_layout_width <= 0) {
                hide_count = true;
            }

            // Draw the source Name
            title_layout.FontDescription = fd;
            title_layout.Width = (int)(max_title_layout_width * Pango.Scale.PangoScale);
            title_layout.Ellipsize = EllipsizeMode.End;
            title_layout.SetText (source.Name);
            title_layout.GetPixelSize (out title_layout_width, out title_layout_height);

            x += img_padding;
            drawable.DrawLayout (main_gc, x, Middle (cell_area, title_layout_height), title_layout);

            title_layout.Dispose ();

            // Draw the count
            if (!hide_count) {
                if (view != null && view.Cr != null) {
                    view.Cr.Color = state == StateType.Normal || (view != null && state == StateType.Prelight)
                        ? view.Theme.TextMidColor
                        : view.Theme.Colors.GetWidgetColor (GtkColorClass.Text, state);

                    view.Cr.MoveTo (
                        cell_area.X + cell_area.Width - count_layout_width - 2,
                        cell_area.Y + 0.5 + (double)(cell_area.Height - count_layout_height) / 2.0);
                    PangoCairoHelper.ShowLayout (view.Cr, count_layout);
                }

                count_layout.Dispose ();
            }

            fd.Dispose ();
        }