static FocusElementManager()
{
FocusElementManager._managers = new List <DockingManager>();
FocusElementManager._modelFocusedElement = new FullWeakDictionary <ILayoutElement, IInputElement>();
FocusElementManager._modelFocusedWindowHandle = new WeakDictionary <ILayoutElement, IntPtr>();
FocusElementManager._windowHandler = null;
FocusElementManager._lastFocusedElementBeforeEnterMenuMode = null;
}
private static void Current_Exit(object sender, ExitEventArgs e)
{
Application.Current.Exit -= new ExitEventHandler(FocusElementManager.Current_Exit);
if (FocusElementManager._windowHandler != null)
{
FocusElementManager._windowHandler.FocusChanged -= new EventHandler <FocusChangeEventArgs>(FocusElementManager.WindowFocusChanging);
FocusElementManager._windowHandler.Detach();
FocusElementManager._windowHandler = null;
}
}
private static void Current_Exit(object sender, ExitEventArgs e)
{
Application.Current.Exit -= new ExitEventHandler(Current_Exit);
if (_windowHandler != null)
{
_windowHandler.FocusChanged -= new EventHandler <FocusChangeEventArgs>(WindowFocusChanging);
//_windowHandler.Activate -= new EventHandler<WindowActivateEventArgs>(WindowActivating);
_windowHandler.Detach();
_windowHandler = null;
}
}
internal static void FinalizeFocusManagement(DockingManager manager)
{
manager.PreviewGotKeyboardFocus -= new KeyboardFocusChangedEventHandler(FocusElementManager.manager_PreviewGotKeyboardFocus);
FocusElementManager._managers.Remove(manager);
if (FocusElementManager._managers.Count == 0 && FocusElementManager._windowHandler != null)
{
FocusElementManager._windowHandler.FocusChanged -= new EventHandler <FocusChangeEventArgs>(FocusElementManager.WindowFocusChanging);
FocusElementManager._windowHandler.Detach();
FocusElementManager._windowHandler = null;
}
}
internal static void SetupFocusManagement(DockingManager manager)
{
if (_managers.Count == 0)
{
//InputManager.Current.EnterMenuMode += new EventHandler(InputManager_EnterMenuMode);
//InputManager.Current.LeaveMenuMode += new EventHandler(InputManager_LeaveMenuMode);
_windowHandler = new WindowHookHandler();
_windowHandler.FocusChanged += new EventHandler <FocusChangeEventArgs>(WindowFocusChanging);
//_windowHandler.Activate += new EventHandler<WindowActivateEventArgs>(WindowActivating);
_windowHandler.Attach();
if (Application.Current != null)
{
var currentDispatcher = Application.Current.Dispatcher;
if (currentDispatcher != null)
{
if (currentDispatcher.CheckAccess())
{
Application.Current.Exit += new ExitEventHandler(Current_Exit);
}
else
{
var disableProcessingCountFieldInfo = typeof(Dispatcher).GetField("_disableProcessingCount", BindingFlags.Instance | BindingFlags.NonPublic);
if (disableProcessingCountFieldInfo != null)
{
var disableProcessingCountFieldInfoValue = disableProcessingCountFieldInfo.GetValue(currentDispatcher);
if ((disableProcessingCountFieldInfoValue != null) && (disableProcessingCountFieldInfoValue is int))
{
var action = new Action(() => Application.Current.Exit += new ExitEventHandler(Current_Exit));
if (( int )disableProcessingCountFieldInfoValue == 0)
{
// in sync
currentDispatcher.Invoke(DispatcherPriority.Normal, action);
}
else
{
// in async.
currentDispatcher.BeginInvoke(DispatcherPriority.Normal, action);
}
}
}
}
}
}
}
manager.PreviewGotKeyboardFocus += new KeyboardFocusChangedEventHandler(manager_PreviewGotKeyboardFocus);
_managers.Add(manager);
}
internal static void SetupFocusManagement(DockingManager manager)
{
if (FocusElementManager._managers.Count == 0)
{
FocusElementManager._windowHandler = new WindowHookHandler();
FocusElementManager._windowHandler.FocusChanged += new EventHandler <FocusChangeEventArgs>(FocusElementManager.WindowFocusChanging);
FocusElementManager._windowHandler.Attach();
if (Application.Current != null)
{
Application.Current.Exit += new ExitEventHandler(FocusElementManager.Current_Exit);
}
}
manager.PreviewGotKeyboardFocus += new KeyboardFocusChangedEventHandler(FocusElementManager.manager_PreviewGotKeyboardFocus);
FocusElementManager._managers.Add(manager);
}
internal static void FinalizeFocusManagement(DockingManager manager)
{
manager.PreviewGotKeyboardFocus -= new KeyboardFocusChangedEventHandler(manager_PreviewGotKeyboardFocus);
_managers.Remove(manager);
if (_managers.Count == 0) {
//InputManager.Current.EnterMenuMode -= new EventHandler(InputManager_EnterMenuMode);
//InputManager.Current.LeaveMenuMode -= new EventHandler(InputManager_LeaveMenuMode);
if (_windowHandler != null) {
_windowHandler.FocusChanged -= new EventHandler<FocusChangeEventArgs>(WindowFocusChanging);
//_windowHandler.Activate -= new EventHandler<WindowActivateEventArgs>(WindowActivating);
_windowHandler.Detach();
_windowHandler = null;
}
}
}
internal static void FinalizeFocusManagement(DockingManager manager)
{
manager.PreviewGotKeyboardFocus -= new KeyboardFocusChangedEventHandler(manager_PreviewGotKeyboardFocus);
_managers.Remove(manager);
if (_managers.Count == 0)
{
//InputManager.Current.EnterMenuMode -= new EventHandler(InputManager_EnterMenuMode);
//InputManager.Current.LeaveMenuMode -= new EventHandler(InputManager_LeaveMenuMode);
if (_windowHandler != null)
{
_windowHandler.FocusChanged -= new EventHandler <FocusChangeEventArgs>(WindowFocusChanging);
//_windowHandler.Activate -= new EventHandler<WindowActivateEventArgs>(WindowActivating);
_windowHandler.Detach();
_windowHandler = null;
}
}
}
internal static void SetupFocusManagement(DockingManager manager)
{
if (_managers.Count == 0)
{
//InputManager.Current.EnterMenuMode += new EventHandler(InputManager_EnterMenuMode);
//InputManager.Current.LeaveMenuMode += new EventHandler(InputManager_LeaveMenuMode);
_windowHandler = new WindowHookHandler();
_windowHandler.FocusChanged += new EventHandler<FocusChangeEventArgs>(WindowFocusChanging);
//_windowHandler.Activate += new EventHandler<WindowActivateEventArgs>(WindowActivating);
_windowHandler.Attach();
if (Application.Current != null)
Application.Current.Exit += new ExitEventHandler(Current_Exit);
}
manager.PreviewGotKeyboardFocus += new KeyboardFocusChangedEventHandler(manager_PreviewGotKeyboardFocus);
_managers.Add(manager);
}
internal static void SetupFocusManagement(DockingManager manager)
{
if (_managers.Count == 0)
{
//InputManager.Current.EnterMenuMode += new EventHandler(InputManager_EnterMenuMode);
//InputManager.Current.LeaveMenuMode += new EventHandler(InputManager_LeaveMenuMode);
_windowHandler = new WindowHookHandler();
_windowHandler.FocusChanged += new EventHandler <FocusChangeEventArgs>(WindowFocusChanging);
//_windowHandler.Activate += new EventHandler<WindowActivateEventArgs>(WindowActivating);
_windowHandler.Attach();
if (Application.Current != null)
{
Application.Current.Exit += new ExitEventHandler(Current_Exit);
}
}
manager.PreviewGotKeyboardFocus += new KeyboardFocusChangedEventHandler(manager_PreviewGotKeyboardFocus);
_managers.Add(manager);
}
internal static void SetupFocusManagement(DockingManager manager)
{
if (_managers.Count == 0)
{
//InputManager.Current.EnterMenuMode += new EventHandler(InputManager_EnterMenuMode);
//InputManager.Current.LeaveMenuMode += new EventHandler(InputManager_LeaveMenuMode);
_windowHandler = new WindowHookHandler();
_windowHandler.FocusChanged += new EventHandler <FocusChangeEventArgs>(WindowFocusChanging);
//_windowHandler.Activate += new EventHandler<WindowActivateEventArgs>(WindowActivating);
_windowHandler.Attach();
if (Application.Current != null)
{
//Application.Current.Exit += new ExitEventHandler( Current_Exit );
//Application.Current.Dispatcher.Invoke(new Action(() => Application.Current.Exit += new ExitEventHandler(Current_Exit)));
var disp = Application.Current.Dispatcher;
Action subscribeToExitAction = new Action(() => Application.Current.Exit += new ExitEventHandler(Current_Exit));
if (disp.CheckAccess())
{
// if we are already on the dispatcher thread we don't need to call Invoke/BeginInvoke
subscribeToExitAction();
}
else
{
// For resolve issue "System.InvalidOperationException: Cannot perform this operation while dispatcher processing is suspended." make async subscribing instead of sync subscribing.
int disableProcessingCount = (int?)typeof(Dispatcher).GetField("_disableProcessingCount", BindingFlags.Instance | BindingFlags.NonPublic)?.GetValue(disp) ?? 0;
if (disableProcessingCount == 0)
{
disp.Invoke(subscribeToExitAction);
}
else
{
disp.BeginInvoke(subscribeToExitAction);
}
}
}
}
manager.PreviewGotKeyboardFocus += new KeyboardFocusChangedEventHandler(manager_PreviewGotKeyboardFocus);
_managers.Add(manager);
}
private static void Current_Exit(object sender, ExitEventArgs e)
{
Application.Current.Exit -= new ExitEventHandler(Current_Exit);
if (_windowHandler != null) {
_windowHandler.FocusChanged -= new EventHandler<FocusChangeEventArgs>(WindowFocusChanging);
//_windowHandler.Activate -= new EventHandler<WindowActivateEventArgs>(WindowActivating);
_windowHandler.Detach();
_windowHandler = null;
}
}
