1 files changed, 100 insertions, 0 deletions
diff --git a/libmate-panel-applet/panel-plug.c b/libmate-panel-applet/panel-plug.c
new file mode 100644
index 00000000..549e98f9
--- /dev/null
+++ b/libmate-panel-applet/panel-plug.c
@@ -0,0 +1,100 @@
+/*
+ * Copyright (C) 2016 Alberts Muktupāvels
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "config.h"
+
+#include "panel-plug-private.h"
+
+struct _PanelPlug
+{
+  GtkPlug parent;
+};
+
+G_DEFINE_TYPE (PanelPlug, panel_plug, GTK_TYPE_PLUG)
+
+static gboolean
+panel_plug_draw (GtkWidget *widget,
+                 cairo_t   *cr)
+{
+  GdkWindow *window;
+  cairo_pattern_t *pattern;
+
+  if (!gtk_widget_get_realized (widget))
+    return GTK_WIDGET_CLASS (panel_plug_parent_class)->draw (widget, cr);
+
+  window = gtk_widget_get_window (widget);
+  pattern = gdk_window_get_background_pattern (window);
+
+  if (!pattern)
+    {
+      GtkStyleContext *context;
+      gint width;
+      gint height;
+
+      context = gtk_widget_get_style_context (widget);
+      width = gtk_widget_get_allocated_width (widget);
+      height = gtk_widget_get_allocated_height (widget);
+
+      gtk_render_background (context, cr, 0, 0, width, height);
+    }
+
+  return GTK_WIDGET_CLASS (panel_plug_parent_class)->draw (widget, cr);
+}
+
+static void
+panel_plug_realize (GtkWidget *widget)
+{
+  GdkScreen *screen;
+  GdkVisual *visual;
+
+  screen = gdk_screen_get_default ();
+  visual = gdk_screen_get_rgba_visual (screen);
+
+  if (!visual)
+    visual = gdk_screen_get_system_visual (screen);
+
+  gtk_widget_set_visual (widget, visual);
+
+  GTK_WIDGET_CLASS (panel_plug_parent_class)->realize (widget);
+}
+
+static void
+panel_plug_class_init (PanelPlugClass *plug_class)
+{
+  GtkWidgetClass *widget_class;
+
+  widget_class = GTK_WIDGET_CLASS (plug_class);
+
+  widget_class->draw = panel_plug_draw;
+  widget_class->realize = panel_plug_realize;
+
+#if GTK_CHECK_VERSION (3, 19, 0)
+	gtk_widget_class_set_css_name (widget_class, "PanelApplet");
+#endif
+}
+
+static void
+panel_plug_init (PanelPlug *plug)
+{
+  gtk_widget_set_app_paintable (GTK_WIDGET (plug), TRUE);
+}
+
+GtkWidget *
+panel_plug_new (void)
+{
+  return g_object_new (PANEL_TYPE_PLUG, NULL);
+}