[gnome-flashback] input-sources: add hover pseudo class to GfCandidateBox

[Alberts Muktupāvels <muktupavels src gnome org>]

commit 28d1a0c3ebfffe2cb65f4a5f9ac71f9e371d7ad1
Author: Alberts Muktupāvels <alberts muktupavels gmail com>
Date:   Mon Jan 18 12:52:12 2016 +0200

    input-sources: add hover pseudo class to GfCandidateBox

 .../libinput-sources/gf-candidate-box.c            |   21 ++++++++++++++++++++
 1 files changed, 21 insertions(+), 0 deletions(-)
---
diff --git a/gnome-flashback/libinput-sources/gf-candidate-box.c 
b/gnome-flashback/libinput-sources/gf-candidate-box.c
index 74fd0e8..8d70867 100644
--- a/gnome-flashback/libinput-sources/gf-candidate-box.c
+++ b/gnome-flashback/libinput-sources/gf-candidate-box.c
@@ -64,6 +64,24 @@ gf_candidate_box_set_property (GObject      *object,
     }
 }
 
+static gboolean
+gf_candidate_box_enter_notify_event (GtkWidget        *widget,
+                                     GdkEventCrossing *event)
+{
+  gtk_widget_set_state_flags (widget, GTK_STATE_FLAG_PRELIGHT, TRUE);
+
+  return GDK_EVENT_PROPAGATE;
+}
+
+static gboolean
+gf_candidate_box_leave_notify_event (GtkWidget        *widget,
+                                     GdkEventCrossing *event)
+{
+  gtk_widget_set_state_flags (widget, GTK_STATE_FLAG_NORMAL, TRUE);
+
+  return GDK_EVENT_PROPAGATE;
+}
+
 static void
 gf_candidate_box_class_init (GfCandidateBoxClass *box_class)
 {
@@ -75,6 +93,9 @@ gf_candidate_box_class_init (GfCandidateBoxClass *box_class)
 
   object_class->set_property = gf_candidate_box_set_property;
 
+  widget_class->enter_notify_event = gf_candidate_box_enter_notify_event;
+  widget_class->leave_notify_event = gf_candidate_box_leave_notify_event;
+
   properties[PROP_INDEX] =
     g_param_spec_uint ("index", "index", "index", 0, G_MAXUINT, 0,
                       G_PARAM_CONSTRUCT_ONLY | G_PARAM_WRITABLE |