Fixes #392 by forcing redraw of titlebar when title changes

fluentribbon · Jan 23, 2017 · b61fe89 · b61fe89
1 parent 2ed252e
commit b61fe89
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diff --git a/Changelog.md b/Changelog.md
@@ -41,6 +41,7 @@
   - [#377](../../issues/377) - ToggleButton highlight doesn't match the button size
   - [#388](../../issues/388) - QuickAccess item not visible when added from backstage
   - [#391](../../issues/391) - QAT items not displayed properly if tab is made visible after initialization
+  - [#392](../../issues/392) - Change Window Title doesn't update Title length
 
 - ### Enhancements
   - [#250](../../issues/250) - Enable change/hide of window title foreground

diff --git a/Fluent.Ribbon/Controls/RibbonWindow.cs b/Fluent.Ribbon/Controls/RibbonWindow.cs
@@ -204,6 +204,8 @@ public bool IsAutomaticCollapseEnabled
         static RibbonWindow()
         {
             DefaultStyleKeyProperty.OverrideMetadata(typeof(RibbonWindow), new FrameworkPropertyMetadata(typeof(RibbonWindow)));
+
+            TitleProperty.OverrideMetadata(typeof(RibbonWindow), new FrameworkPropertyMetadata(OnTitleChanged));
         }
 
         /// <summary>
@@ -342,5 +344,14 @@ internal T GetPart<T>(string name)
         {
             return this.GetTemplateChild(name) as T;
         }
+
+        private static void OnTitleChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
+        {
+            var ribbonWindow = (RibbonWindow)d;
+
+            ribbonWindow.TitleBar?.InvalidateMeasure();
+            ribbonWindow.TitleBar?.InvalidateArrange();
+            ribbonWindow.TitleBar?.UpdateLayout();
+        }
     }
 }