Fixed focus problem when opening workbench window containing multiple view contents.

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

@@ -58,18 +58,12 @@ 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
+				WpfWorkbench.FocusDebug("AvalonDock: ActiveContent changed to {0}", WpfWorkbench.GetElementName(dockingManager.ActiveContent));
 				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
+				WpfWorkbench.FocusDebug("AvalonDock: ActiveDocument changed to {0}", WpfWorkbench.GetElementName(dockingManager.ActiveDocument));
 				
 				if (ActiveWorkbenchWindowChanged != null)
 					ActiveWorkbenchWindowChanged(this, e);

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

@@ -43,10 +43,7 @@ namespace ICSharpCode.SharpDevelop.Gui
 			if (!(IsActiveContent && !IsKeyboardFocusWithin))
 				return;
 			IInputElement activeChild = CustomFocusManager.GetFocusedChild(this);
-			if (activeChild == null && padInstance != null) {
-				activeChild = padInstance.InitiallyFocusedControl as IInputElement;
-			}
-			AvalonWorkbenchWindow.SetFocus(this, activeChild);
+			AvalonWorkbenchWindow.SetFocus(this, () => activeChild ?? (padInstance != null ? padInstance.InitiallyFocusedControl as IInputElement : null));
 		}
 		
 		public void ShowInDefaultPosition()

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

@@ -38,33 +38,37 @@ namespace ICSharpCode.SharpDevelop.Gui
 		
 		protected override void FocusContent()
 		{
-			if (!(IsActiveContent && !IsKeyboardFocusWithin))
+			WpfWorkbench.FocusDebug("{0}.FocusContent() IsActiveContent={1} IsKeyboardFocusWithin={2} Keyboard.FocusedElement={3}",
+			                        Title, IsActiveContent, IsKeyboardFocusWithin, Keyboard.FocusedElement);
+			if (!(IsActiveContent && !IsKeyboardFocusWithin)) {
 				return;
-			IInputElement activeChild = CustomFocusManager.GetFocusedChild(this);
-			if (activeChild == null && ActiveViewContent != null) {
-				activeChild = ActiveViewContent.InitiallyFocusedControl as IInputElement;
 			}
-			AvalonWorkbenchWindow.SetFocus(this, activeChild);
+			IInputElement activeChild = CustomFocusManager.GetFocusedChild(this);
+			WpfWorkbench.FocusDebug("{0}.FocusContent() - Will move focus (activeChild={1})", this.Title, activeChild);
+			// use lambda for fetching the active child - this is necessary because the ActiveViewContent might change until the background
+			// action is called
+			AvalonWorkbenchWindow.SetFocus(this, () => activeChild ?? (ActiveViewContent != null ? ActiveViewContent.InitiallyFocusedControl as IInputElement : null));
 		}
 		
-		internal static void SetFocus(ManagedContent m, IInputElement activeChild, bool forceSetFocus = false)
+		internal static void SetFocus(ManagedContent m, Func<IInputElement> activeChildFunc, bool forceSetFocus = false)
 		{
-			if (activeChild != null) {
-				LoggingService.Debug(m.Title + " - Will move focus to: " + activeChild);
-				m.Dispatcher.BeginInvoke(
-					DispatcherPriority.Background,
-					new Action(
-						delegate {
-							// ensure that condition for FocusContent() is still fulfilled
-							// (necessary to avoid focus switching loops when changing layouts)
-							if (!forceSetFocus && !(m.IsActiveContent && !m.IsKeyboardFocusWithin)) {
-								LoggingService.Debug(m.Title + " - not moving focus (IsActiveContent=" + m.IsActiveContent + ", IsKeyboardFocusWithin=" + m.IsKeyboardFocusWithin + ")");
-								return;
-							}
-							LoggingService.Debug(m.Title + " - moving focus to: " + activeChild);
+			m.Dispatcher.BeginInvoke(
+				DispatcherPriority.Background,
+				new Action(
+					delegate {
+						// ensure that condition for FocusContent() is still fulfilled
+						// (necessary to avoid focus switching loops when changing layouts)
+						if (!forceSetFocus && !(m.IsActiveContent && !m.IsKeyboardFocusWithin)) {
+							WpfWorkbench.FocusDebug("{0} - not moving focus (IsActiveContent={1}, IsKeyboardFocusWithin={2})",
+							                        m.Title, m.IsActiveContent, m.IsKeyboardFocusWithin);
+							return;
+						}
+						IInputElement activeChild = activeChildFunc();
+						WpfWorkbench.FocusDebug("{0} - moving focus to: {1}", m.Title, activeChild != null ? activeChild.ToString() : "<null>");
+						if (activeChild != null) {
 							Keyboard.Focus(activeChild);
-						}));
-			}
+						}
+					}));
 		}
 		
 		public bool IsDisposed { get { return false; } }
@@ -314,7 +318,7 @@ namespace ICSharpCode.SharpDevelop.Gui
 					
 					IViewContent vc = parentWindow.ActiveViewContent;
 					if (vc != null)
-						SetFocus(parentWindow, vc.InitiallyFocusedControl as IInputElement, true);
+						SetFocus(parentWindow, () => vc.InitiallyFocusedControl as IInputElement, true);
 					
 					e.Handled = true;
 				}

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

@@ -657,27 +657,26 @@ namespace ICSharpCode.SharpDevelop.Gui
 			#endif
 		}
 		
+		[Conditional("DEBUG")]
+		internal static void FocusDebug(string format, params object[] args)
+		{
+			#if DEBUG
+			if (enableFocusDebugOutput)
+				LoggingService.DebugFormatted(format, args);
+			#endif
+		}
+		
 		#if DEBUG
-		internal static bool enableFocusDebugOutput;
+		static bool enableFocusDebugOutput;
 		
 		void WpfWorkbench_PreviewGotKeyboardFocus(object sender, KeyboardFocusChangedEventArgs e)
 		{
-			if (enableFocusDebugOutput) {
-				LoggingService.Debug("GotKeyboardFocus: oldFocus=" + e.OldFocus + ", newFocus=" + e.NewFocus);
-				if (e.NewFocus is IWorkbenchWindow)
-				{
-				}
-			}
+			FocusDebug("GotKeyboardFocus: oldFocus={0}, newFocus={1}", e.OldFocus, e.NewFocus);
 		}
 		
 		void WpfWorkbench_PreviewLostKeyboardFocus(object sender, KeyboardFocusChangedEventArgs e)
 		{
-			if (enableFocusDebugOutput) {
-				LoggingService.Debug("LostKeyboardFocus: oldFocus=" + e.OldFocus + ", newFocus=" + e.NewFocus);
-				if (e.NewFocus is IWorkbenchWindow)
-				{
-				}
-			}
+			FocusDebug("LostKeyboardFocus: oldFocus={0}, newFocus={1}", e.OldFocus, e.NewFocus);
 		}
 		
 		protected override void OnPreviewKeyDown(KeyEventArgs e)
@@ -693,10 +692,7 @@ namespace ICSharpCode.SharpDevelop.Gui
 				output.WriteLine("ActiveWorkbenchWindow = " + GetElementName(this.ActiveWorkbenchWindow));
 				((AvalonDockLayout)workbenchLayout).WriteState(output);
 				LoggingService.Debug(output.ToString());
-			}
-			if (!e.Handled && e.Key == Key.L && e.KeyboardDevice.Modifiers == (ModifierKeys.Control | ModifierKeys.Shift | ModifierKeys.Alt)) {
-				this.UseLayoutRounding = !this.UseLayoutRounding;
-				this.StatusBar.SetMessage("UseLayoutRounding=" + this.UseLayoutRounding);
+				e.Handled = true;
 			}
 			if (!e.Handled && e.Key == Key.F && e.KeyboardDevice.Modifiers == (ModifierKeys.Control | ModifierKeys.Shift | ModifierKeys.Alt)) {
 				if (TextOptions.GetTextFormattingMode(this) == TextFormattingMode.Display)
@@ -721,6 +717,7 @@ namespace ICSharpCode.SharpDevelop.Gui
 				this.StatusBar.SetMessage("TextRenderingMode=" + TextOptions.GetTextRenderingMode(this));
 			}
 		}
+		#endif
 		
 		internal static string GetElementName(object element)
 		{
@@ -729,6 +726,5 @@ namespace ICSharpCode.SharpDevelop.Gui
 			else
 				return element.GetType().FullName + ": " + element.ToString();
 		}
-		#endif
 	}
 }