[glade] Sync close-button with the original gedit widget. This way the proper symbolic close icon is used fo

[Paolo Borelli <pborelli src gnome org>]

commit 0a5840d21a769e51763e680c7e82b35a0f0bc2e4
Author: Paolo Borelli <pborelli gnome org>
Date:   Wed Sep 5 19:28:35 2012 +0200

    Sync close-button with the original gedit widget. This way the proper
    symbolic close icon is used for the button.

 src/glade-close-button.c |   71 ++++++++++++++++++++++++++--------------------
 src/glade-close-button.h |    4 ++-
 2 files changed, 43 insertions(+), 32 deletions(-)
---
diff --git a/src/glade-close-button.c b/src/glade-close-button.c
index b302ade..a1f6a4a 100644
--- a/src/glade-close-button.c
+++ b/src/glade-close-button.c
@@ -3,6 +3,7 @@
  * This file was taken from gedit
  *
  * Copyright (C) 2010 - Paolo Borelli
+ * Copyright (C) 2011 - Ignacio Casal Quinteiro
  *
  * 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
@@ -22,51 +23,59 @@
 
 #include "glade-close-button.h"
 
-G_DEFINE_TYPE (GladeCloseButton, glade_close_button, GTK_TYPE_BUTTON)
-     static void glade_close_button_class_init (GladeCloseButtonClass * klass)
+struct _GladeCloseButtonClassPrivate
 {
-}
+  GtkCssProvider *css;
+};
+
+G_DEFINE_TYPE_WITH_CODE (GladeCloseButton, glade_close_button, GTK_TYPE_BUTTON,
+                         g_type_add_class_private (g_define_type_id, sizeof (GladeCloseButtonClassPrivate)))
 
 static void
-glade_close_button_init (GladeCloseButton * button)
+glade_close_button_class_init (GladeCloseButtonClass *klass)
 {
-  GtkWidget *image;
-  GtkCssProvider *provider;
-
-  gtk_widget_set_can_focus (GTK_WIDGET (button), FALSE);
+  static const gchar button_style[] =
+    "* {\n"
+      "-GtkButton-default-border : 0;\n"
+      "-GtkButton-default-outside-border : 0;\n"
+      "-GtkButton-inner-border: 0;\n"
+      "-GtkWidget-focus-line-width : 0;\n"
+      "-GtkWidget-focus-padding : 0;\n"
+      "padding: 0;\n"
+    "}";
 
-  /* make it as small as possible */
-  provider = gtk_css_provider_new ();
-  gtk_css_provider_load_from_data (provider,
-                                   "* {\n"
-                                   "  -GtkButton-default-border : 0;\n"
-                                   "  -GtkButton-default-outside-border : 0;\n"
-                                   "  -GtkButton-inner-border : 0;\n"
-                                   "  -GtkWidget-focus-line-width : 0;\n"
-                                   "  -GtkWidget-focus-padding : 0;\n"
-                                   "  padding : 0;\n" "}", -1, NULL);
+  klass->priv = G_TYPE_CLASS_GET_PRIVATE (klass, GLADE_TYPE_CLOSE_BUTTON, GladeCloseButtonClassPrivate);
 
-  gtk_style_context_add_provider (gtk_widget_get_style_context
-                                  (GTK_WIDGET (button)),
-                                  GTK_STYLE_PROVIDER (provider),
-                                  GTK_STYLE_PROVIDER_PRIORITY_APPLICATION);
-  g_object_unref (provider);
+  klass->priv->css = gtk_css_provider_new ();
+  gtk_css_provider_load_from_data (klass->priv->css, button_style, -1, NULL);
+}
 
-  image = gtk_image_new_from_stock (GTK_STOCK_CLOSE, GTK_ICON_SIZE_MENU);
+static void
+glade_close_button_init (GladeCloseButton *button)
+{
+  GtkStyleContext *context;
+  GtkWidget *image;
+  GIcon *icon;
 
+  icon = g_themed_icon_new_with_default_fallbacks ("window-close-symbolic");
+  image = gtk_image_new_from_gicon (icon, GTK_ICON_SIZE_MENU);
   gtk_widget_show (image);
+  g_object_unref (icon);
 
   gtk_container_add (GTK_CONTAINER (button), image);
+
+  /* make it small */
+  context = gtk_widget_get_style_context (GTK_WIDGET (button));
+  gtk_style_context_add_provider (context,
+                                  GTK_STYLE_PROVIDER (GLADE_CLOSE_BUTTON_GET_CLASS (button)->priv->css),
+                                  GTK_STYLE_PROVIDER_PRIORITY_APPLICATION);
 }
 
 GtkWidget *
 glade_close_button_new ()
 {
-  GladeCloseButton *button;
-
-  button = g_object_new (GLADE_TYPE_CLOSE_BUTTON,
-                         "relief", GTK_RELIEF_NONE,
-                         "focus-on-click", FALSE, NULL);
-
-  return GTK_WIDGET (button);
+  return GTK_WIDGET (g_object_new (GLADE_TYPE_CLOSE_BUTTON,
+                                   "relief", GTK_RELIEF_NONE,
+                                   "focus-on-click", FALSE,
+                                   NULL));
 }
diff --git a/src/glade-close-button.h b/src/glade-close-button.h
index bd1195d..148f2bf 100644
--- a/src/glade-close-button.h
+++ b/src/glade-close-button.h
@@ -37,7 +37,7 @@ G_BEGIN_DECLS
 
 typedef struct _GladeCloseButton	GladeCloseButton;
 typedef struct _GladeCloseButtonClass	GladeCloseButtonClass;
-typedef struct _GladeCloseButtonPrivate	GladeCloseButtonPrivate;
+typedef struct _GladeCloseButtonClassPrivate	GladeCloseButtonClassPrivate;
 
 struct _GladeCloseButton {
 	GtkButton parent;
@@ -45,6 +45,8 @@ struct _GladeCloseButton {
 
 struct _GladeCloseButtonClass {
 	GtkButtonClass parent_class;
+
+	GladeCloseButtonClassPrivate *priv;
 };
 
 GType		  glade_close_button_get_type (void) G_GNUC_CONST;