[gtk+/wip/csd-for-review] Hide buttons when appropriate

[Matthias Clasen <matthiasc src gnome org>]

commit 74cd6de40994cb4ec7cece67a03aa4b6483ef2c3
Author: Matthias Clasen <mclasen redhat com>
Date:   Sat Mar 9 22:28:39 2013 -0500

    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 files changed, 53 insertions(+), 0 deletions(-)
---
diff --git a/gtk/gtkwindow.c b/gtk/gtkwindow.c
index 0c4687e..0105e6b 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));