From 4932ed52b70b540bd58e6405550ea2e758c1d003 Mon Sep 17 00:00:00 2001
From: Wolfgang Ulbrich <chat-to-me@raveit.de>
Date: Thu, 11 Feb 2016 07:47:44 +0100
Subject: GTK+3 notification-area: set minimum size for icon

Fix for following warning from GtkStatusIcon:
gtk_widget_size_allocate(): attempt to allocate widget with width -3 and height 26.

https://bugzilla.gnome.org/show_bug.cgi?id=755129

taken from:
https://git.gnome.org/browse/gnome-panel/commit/?id=e2bd90e
---
 applets/notification_area/na-tray-child.c | 38 +++++++++++++++++++++++++++++++
 1 file changed, 38 insertions(+)

diff --git a/applets/notification_area/na-tray-child.c b/applets/notification_area/na-tray-child.c
index 9ff5c739..76a360f5 100644
--- a/applets/notification_area/na-tray-child.c
+++ b/applets/notification_area/na-tray-child.c
@@ -113,6 +113,39 @@ na_tray_child_style_set (GtkWidget *widget,
    */
 }
 
+#if GTK_CHECK_VERSION (3, 0, 0)
+static void
+na_tray_child_get_preferred_width (GtkWidget *widget,
+                                   gint      *minimal_width,
+                                  gint      *natural_width)
+{
+  GTK_WIDGET_CLASS (na_tray_child_parent_class)->get_preferred_width (widget,
+                                                                      minimal_width,
+                                                                      natural_width);
+
+  if (*minimal_width < 16)
+    *minimal_width = 16;
+
+  if (*natural_width < 16)
+    *natural_width = 16;
+}
+
+static void
+na_tray_child_get_preferred_height (GtkWidget *widget,
+                                    gint      *minimal_height,
+                                    gint      *natural_height)
+{
+  GTK_WIDGET_CLASS (na_tray_child_parent_class)->get_preferred_height (widget,
+                                                                       minimal_height,
+                                                                       natural_height);
+
+  if (*minimal_height < 16)
+    *minimal_height = 16;
+
+  if (*natural_height < 16)
+    *natural_height = 16;
+}
+#else
 #if 0
 /* This is adapted from code that was commented out in na-tray-manager.c; the
  * code in na-tray-manager.c wouldn't have worked reliably, this will. So maybe
@@ -141,6 +174,7 @@ na_tray_child_size_request (GtkWidget      *widget,
     }
 }
 #endif
+#endif
 
 static void
 na_tray_child_size_allocate (GtkWidget      *widget,
@@ -272,6 +306,10 @@ na_tray_child_class_init (NaTrayChildClass *klass)
   gobject_class->finalize = na_tray_child_finalize;
   widget_class->style_set = na_tray_child_style_set;
   widget_class->realize = na_tray_child_realize;
+#if GTK_CHECK_VERSION (3, 0, 0)
+  widget_class->get_preferred_width = na_tray_child_get_preferred_width;
+  widget_class->get_preferred_height = na_tray_child_get_preferred_height;
+#endif
   widget_class->size_allocate = na_tray_child_size_allocate;
 #if GTK_CHECK_VERSION (3, 0, 0)
   widget_class->draw = na_tray_child_draw;
-- 
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