Add ability to set a tooltip's image from a GIcon

Makes it easier to implement fallbacks whilst following
theme changes.

https://bugzilla.gnome.org/show_bug.cgi?id=598261

1 files changed, 29 insertions, 3 deletions

diff --git a/gtk/gtktooltip.c b/gtk/gtktooltip.c
index 66b29f1b77..1f4de9d776 100644
--- a/gtk/gtktooltip.c
+++ b/gtk/gtktooltip.c
@@ -318,9 +318,9 @@ gtk_tooltip_set_icon_from_stock (GtkTooltip  *tooltip,
  * Since: 2.14
  */
 void
-gtk_tooltip_set_icon_from_icon_name(GtkTooltip  *tooltip,
-				    const gchar *icon_name,
-				    GtkIconSize  size)
+gtk_tooltip_set_icon_from_icon_name (GtkTooltip  *tooltip,
+				     const gchar *icon_name,
+				     GtkIconSize  size)
 {
   g_return_if_fail (GTK_IS_TOOLTIP (tooltip));
 
@@ -333,6 +333,32 @@ gtk_tooltip_set_icon_from_icon_name(GtkTooltip  *tooltip,
 }
 
 /**
+ * gtk_tooltip_set_from_gicon:
+ * @tooltip: a #GtkTooltip
+ * @gicon: a #GIcon representing the icon, or %NULL
+ * @size: a stock icon size
+ * Sets the icon of the tooltip (which is in front of the text) to be
+ * the icon indicated by @gicon with the size indicated
+ * by @size.  If @icon_name is %NULL, the image will be hidden.
+ *
+ * Since: 2.20
+ */
+void
+gtk_tooltip_set_icon_from_gicon (GtkTooltip  *tooltip,
+				 GIcon       *gicon,
+				 GtkIconSize  size)
+{
+  g_return_if_fail (GTK_IS_TOOLTIP (tooltip));
+
+  gtk_image_set_from_gicon (GTK_IMAGE (tooltip->image), gicon, size);
+
+  if (gicon)
+    gtk_widget_show (tooltip->image);
+  else
+    gtk_widget_hide (tooltip->image);
+}
+
+/**
  * gtk_tooltip_set_custom:
  * @tooltip: a #GtkTooltip
  * @custom_widget: a #GtkWidget, or %NULL to unset the old custom widget.