More debug output when focus tracking is enabled.

src/Main/Base/Project/Src/Gui/Workbench/Layouts/AvalonDockLayout.cs

@@ -42,7 +42,8 @@ namespace ICSharpCode.SharpDevelop.Gui
 		#if DEBUG
 		internal void WriteState(TextWriter output)
 		{
-			
+			output.WriteLine("AvalonDock: ActiveContent = " + WpfWorkbench.GetElementName(dockingManager.ActiveContent));
+			output.WriteLine("AvalonDock: ActiveDocument = " + WpfWorkbench.GetElementName(dockingManager.ActiveDocument));
 		}
 		#endif
 		
@@ -57,10 +58,19 @@ namespace ICSharpCode.SharpDevelop.Gui
 		void dockingManager_PropertyChanged(object sender, System.ComponentModel.PropertyChangedEventArgs e)
 		{
 			if (e.PropertyName == "ActiveContent") {
+				#if DEBUG
+				if (WpfWorkbench.enableFocusDebugOutput)
+					LoggingService.Debug("AvalonDock: ActiveContent changed to " + WpfWorkbench.GetElementName(dockingManager.ActiveContent));
+				#endif
 				if (ActiveContentChanged != null)
 					ActiveContentChanged(this, e);
 				CommandManager.InvalidateRequerySuggested();
 			} else if (e.PropertyName == "ActiveDocument") {
+				#if DEBUG
+				if (WpfWorkbench.enableFocusDebugOutput)
+					LoggingService.Debug("AvalonDock: ActiveDocument changed to " + WpfWorkbench.GetElementName(dockingManager.ActiveDocument));
+				#endif
+				
 				if (ActiveWorkbenchWindowChanged != null)
 					ActiveWorkbenchWindowChanged(this, e);
 				CommandManager.InvalidateRequerySuggested();

src/Main/Base/Project/Src/Gui/Workbench/WpfWorkbench.cs

@@ -653,11 +653,11 @@ namespace ICSharpCode.SharpDevelop.Gui
 		}
 		
 		#if DEBUG
-		bool toggle;
+		internal static bool enableFocusDebugOutput;
 		
 		void WpfWorkbench_PreviewGotKeyboardFocus(object sender, KeyboardFocusChangedEventArgs e)
 		{
-			if (toggle) {
+			if (enableFocusDebugOutput) {
 				LoggingService.Debug("GotKeyboardFocus: oldFocus=" + e.OldFocus + ", newFocus=" + e.NewFocus);
 				if (e.NewFocus is IWorkbenchWindow)
 				{
@@ -667,7 +667,7 @@ namespace ICSharpCode.SharpDevelop.Gui
 		
 		void WpfWorkbench_PreviewLostKeyboardFocus(object sender, KeyboardFocusChangedEventArgs e)
 		{
-			if (toggle) {
+			if (enableFocusDebugOutput) {
 				LoggingService.Debug("LostKeyboardFocus: oldFocus=" + e.OldFocus + ", newFocus=" + e.NewFocus);
 				if (e.NewFocus is IWorkbenchWindow)
 				{
@@ -679,7 +679,7 @@ namespace ICSharpCode.SharpDevelop.Gui
 		{
 			base.OnPreviewKeyDown(e);
 			if (!e.Handled && e.Key == Key.D && e.KeyboardDevice.Modifiers == (ModifierKeys.Control | ModifierKeys.Shift | ModifierKeys.Alt)) {
-				toggle = !toggle;
+				enableFocusDebugOutput = !enableFocusDebugOutput;
 				
 				StringWriter output = new StringWriter();
 				output.WriteLine("Keyboard.FocusedElement = " + GetElementName(Keyboard.FocusedElement));
@@ -717,7 +717,7 @@ namespace ICSharpCode.SharpDevelop.Gui
 			}
 		}
 		
-		static string GetElementName(object element)
+		internal static string GetElementName(object element)
 		{
 			if (element == null)
 				return "<null>";