[gtk+] Desensitize "Select All" when GtkEntry is empty

[Matthias Clasen <matthiasc src gnome org>]

commit 54c3f05848967cc30356d69d4f34b5d112fe8aeb
Author: Matthew Barnes <mbarnes redhat com>
Date:   Tue Apr 26 07:56:09 2011 -0400

    Desensitize "Select All" when GtkEntry is empty
    
    This avoids possible confusion in some situations, and
    selecting an empty string is not very useful.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=647962

 gtk/gtkentry.c    |    1 +
 gtk/gtktextview.c |    2 ++
 2 files changed, 3 insertions(+), 0 deletions(-)
---
diff --git a/gtk/gtkentry.c b/gtk/gtkentry.c
index 9820e53..b95fd8b 100644
--- a/gtk/gtkentry.c
+++ b/gtk/gtkentry.c
@@ -8866,6 +8866,7 @@ popup_targets_received (GtkClipboard     *clipboard,
       gtk_menu_shell_append (GTK_MENU_SHELL (info_entry_priv->popup_menu), menuitem);
       
       menuitem = gtk_image_menu_item_new_from_stock (GTK_STOCK_SELECT_ALL, NULL);
+      gtk_widget_set_sensitive (menuitem, gtk_entry_buffer_get_length (info_entry_priv->buffer) > 0);
       g_signal_connect_swapped (menuitem, "activate",
 			        G_CALLBACK (gtk_entry_select_all), entry);
       gtk_widget_show (menuitem);
diff --git a/gtk/gtktextview.c b/gtk/gtktextview.c
index d327934..b859e0b 100644
--- a/gtk/gtktextview.c
+++ b/gtk/gtktextview.c
@@ -8266,6 +8266,8 @@ popup_targets_received (GtkClipboard     *clipboard,
       gtk_menu_shell_append (GTK_MENU_SHELL (priv->popup_menu), menuitem);
 
       menuitem = gtk_image_menu_item_new_from_stock (GTK_STOCK_SELECT_ALL, NULL);
+      gtk_widget_set_sensitive (menuitem,
+                                gtk_text_buffer_get_char_count (priv->buffer) > 0);
       g_signal_connect (menuitem, "activate",
 			G_CALLBACK (select_all_cb), text_view);
       gtk_widget_show (menuitem);