[gnome-calendar/calendar-editor] window: add a nice style to the calendar listbox

[Georges Basile Stavracas Neto <gbsneto src gnome org>]

commit 33711e87c116ec297db38a26ecad7622693bda7b
Author: Georges Basile Stavracas Neto <georges stavracas gmail com>
Date:   Fri May 1 13:56:45 2015 -0300

    window: add a nice style to the calendar listbox

 data/theme/gtk-styles.css |    4 ++++
 src/gcal-window.c         |    7 +++++++
 2 files changed, 11 insertions(+), 0 deletions(-)
---
diff --git a/data/theme/gtk-styles.css b/data/theme/gtk-styles.css
index 0f6a577..b411897 100644
--- a/data/theme/gtk-styles.css
+++ b/data/theme/gtk-styles.css
@@ -227,3 +227,7 @@ GcalEventWidget.color-light:backdrop {
 .calendar-list {
     background-color: transparent;
 }
+
+.calendar-list > GtkListBoxRow{
+    border-radius: 4px;
+}
diff --git a/src/gcal-window.c b/src/gcal-window.c
index 9c2a36c..7e848cf 100644
--- a/src/gcal-window.c
+++ b/src/gcal-window.c
@@ -820,11 +820,18 @@ make_row_from_source (GcalWindow *window,
 {
   GcalWindowPrivate *priv = gcal_window_get_instance_private (window);
   GtkWidget *label, *icon, *separator, *checkbox, *box, *row;
+  GtkStyleContext *context;
   GdkPixbuf *pixbuf;
   GdkRGBA color;
 
   row = gtk_list_box_row_new ();
 
+  /* apply some nice styling */
+  context = gtk_widget_get_style_context (row);
+  gtk_style_context_add_class (context, "button");
+  gtk_style_context_add_class (context, "flat");
+  gtk_style_context_add_class (context, "menuitem");
+
   /* main box */
   box = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 12);
   gtk_container_set_border_width (GTK_CONTAINER (box), 6);