[gtk/wip/exalm/buttons: 3/5] menubutton: Check existing value for label and icon name

[Alexander Mikhaylenko <alexm src gnome org>]

commit 67fee6621d6f61989888e466077f0f69aa6080dc
Author: Alexander Mikhaylenko <alexm gnome org>
Date:   Mon Jun 21 14:10:16 2021 +0500

    menubutton: Check existing value for label and icon name
    
    Avoid redundant notifications.

 gtk/gtkmenubutton.c | 6 ++++++
 1 file changed, 6 insertions(+)
---
diff --git a/gtk/gtkmenubutton.c b/gtk/gtkmenubutton.c
index d27bb4f393..5e6ccfdcc2 100644
--- a/gtk/gtkmenubutton.c
+++ b/gtk/gtkmenubutton.c
@@ -843,6 +843,9 @@ gtk_menu_button_set_icon_name (GtkMenuButton *menu_button,
 {
   g_return_if_fail (GTK_IS_MENU_BUTTON (menu_button));
 
+  if (!g_strcmp0 (gtk_menu_button_get_icon_name (menu_button), icon_name))
+    return;
+
   g_object_freeze_notify (G_OBJECT (menu_button));
 
   if (gtk_menu_button_get_label (menu_button))
@@ -888,6 +891,9 @@ gtk_menu_button_set_label (GtkMenuButton *menu_button,
 
   g_return_if_fail (GTK_IS_MENU_BUTTON (menu_button));
 
+  if (!g_strcmp0 (gtk_menu_button_get_label (menu_button), label))
+    return;
+
   g_object_freeze_notify (G_OBJECT (menu_button));
 
   if (gtk_menu_button_get_icon_name (menu_button))