From 74cd6de40994cb4ec7cece67a03aa4b6483ef2c3 Mon Sep 17 00:00:00 2001
From: Matthias Clasen <mclasen@redhat.com>
Date: Sat, 9 Mar 2013 22:28:39 -0500
Subject: [PATCH] Hide buttons when appropriate

Hide the close button if the window is not deletable, hide the
maximize button if the window is not resizable, and hide all
buttons if the window is a dialog.
---
 gtk/gtkwindow.c | 53 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 53 insertions(+)

diff --git a/gtk/gtkwindow.c b/gtk/gtkwindow.c
index 0c4687e706..0105e6b1b6 100644
--- a/gtk/gtkwindow.c
+++ b/gtk/gtkwindow.c
@@ -437,6 +437,7 @@ static void     gtk_window_unrealize_icon             (GtkWindow    *window);
 static void     resize_grip_create_window             (GtkWindow    *window);
 static void     resize_grip_destroy_window            (GtkWindow    *window);
 static void     update_grip_visibility                (GtkWindow    *window);
+static void     update_window_buttons                 (GtkWindow    *window);
 
 static void        gtk_window_notify_keys_changed (GtkWindow   *window);
 static GtkKeyHash *gtk_window_get_key_hash        (GtkWindow   *window);
@@ -2900,6 +2901,8 @@ gtk_window_set_type_hint (GtkWindow           *window,
 
   priv->reset_type_hint = TRUE;
   priv->gdk_type_hint = hint;
+
+  update_window_buttons (window);
 }
 
 /**
@@ -3480,6 +3483,8 @@ gtk_window_set_deletable (GtkWindow *window,
 				  GDK_FUNC_ALL | GDK_FUNC_CLOSE);
     }
 
+  update_window_buttons (window);
+
   g_object_notify (G_OBJECT (window), "deletable");  
 }
 
@@ -4853,6 +4858,51 @@ get_default_title (void)
   return title;
 }
 
+static void
+update_window_buttons (GtkWindow *window)
+{
+  GtkWindowPrivate *priv = window->priv;
+
+  if (priv->client_decorated)
+    {
+      if (priv->title_box != NULL)
+        gtk_widget_show (priv->title_box);
+
+      if (priv->title_min_button != NULL)
+        {
+          if (priv->gdk_type_hint == GDK_WINDOW_TYPE_HINT_NORMAL)
+            gtk_widget_show (priv->title_min_button);
+          else
+            gtk_widget_hide (priv->title_min_button);
+        }
+
+      if (priv->title_max_button != NULL)
+        {
+          if (priv->resizable &&
+              priv->gdk_type_hint == GDK_WINDOW_TYPE_HINT_NORMAL)
+            gtk_widget_show (priv->title_max_button);
+          else
+            gtk_widget_hide (priv->title_max_button);
+        }
+
+     if (priv->title_close_button != NULL)
+        {
+          if (priv->deletable &&
+              priv->gdk_type_hint == GDK_WINDOW_TYPE_HINT_NORMAL)
+            gtk_widget_show_all (priv->title_close_button);
+          else
+            gtk_widget_hide (priv->title_close_button);
+        }
+
+      if (priv->title_label != NULL)
+        gtk_widget_show (priv->title_label);
+    }
+  else
+    {
+      if (priv->title_box != NULL)
+        gtk_widget_hide (priv->title_box);
+    }
+}
 
 static void
 create_decoration (GtkWidget *widget)
@@ -4929,6 +4979,8 @@ create_decoration (GtkWidget *widget)
                         G_CALLBACK (gtk_window_title_min_clicked), window);
 
       gtk_widget_show_all (priv->title_box);
+
+      update_window_buttons (window);
     }
 }
 
@@ -8765,6 +8817,7 @@ gtk_window_set_resizable (GtkWindow *window,
       priv->resizable = resizable;
 
       update_grip_visibility (window);
+      update_window_buttons (window);
 
       gtk_widget_queue_resize_no_redraw (GTK_WIDGET (window));