private static void OnKeyboardInputProviderAcquireFocus(object sender,
KeyboardInputProviderAcquireFocusEventArgs e)
{
if (!IsCurrentThreadMainUiThread())
{
return;
}
if (!(sender is DependencyObject dependencyObject) || !IsRegisteredCommandFocusElement(dependencyObject))
{
return;
}
if (dependencyObject is IInputElement inputElement && !inputElement.IsKeyboardFocusWithin)
{
if (e.RoutedEvent == Keyboard.PreviewKeyboardInputProviderAcquireFocusEvent)
{
if (!IsAttachedCommandFocusElement(dependencyObject))
{
CurrentMenuModeSource = PresentationSource.FromDependencyObject(dependencyObject);
}
}
else if (!e.FocusAcquired)
{
CurrentMenuModeSource = null;
}
}
if (PresentationSource.FromDependencyObject(dependencyObject) != null)
{
return;
}
e.Handled = true;
}
// Token: 0x06005E76 RID: 24182 RVA: 0x001A7864 File Offset: 0x001A5A64
private static void OnKeyboardInputProviderAcquireFocus(object sender, KeyboardInputProviderAcquireFocusEventArgs e)
{
MenuBase menuBase = (MenuBase)sender;
if (!menuBase.IsKeyboardFocusWithin && !e.FocusAcquired && menuBase.IsAcquireFocusMenuMode)
{
menuBase.PopMenuMode();
}
}
// This method ensures that whenever focus is not acquired
// but MenuMode has been pushed with the expection, a
// corresponding PopMenu is performed.
private static void OnKeyboardInputProviderAcquireFocus(object sender, KeyboardInputProviderAcquireFocusEventArgs e)
{
MenuBase menu = (MenuBase)sender;
if (!menu.IsKeyboardFocusWithin && !e.FocusAcquired && menu.IsAcquireFocusMenuMode)
{
Debug.Assert(menu.HasPushedMenuMode);
// The input provider did not acquire focus. So we will not
// succeed in setting focus to the desired element within the
// menu.
menu.PopMenuMode();
}
}
// This method ensures that whenever focus is given to an element
// within a menu, that the menu enters menu mode. This can't be
// done with a simple IsFocusWithin changed handler because we
// need to actually enter menu mode before focus changes.
private static void OnPreviewKeyboardInputProviderAcquireFocus(object sender, KeyboardInputProviderAcquireFocusEventArgs e)
{
MenuBase menu = (MenuBase)sender;
// If we haven't already pushed menu mode, we need to do it before
// focus enters the menu for the first time
if (!menu.IsKeyboardFocusWithin && !menu.HasPushedMenuMode)
{
// Call PushMenuMode just before focus enters the menu...
menu.PushMenuMode(/*isAcquireFocusMenuMode*/ true);
}
}
private void Button_KeyboardInputProviderAcquireFocus(object sender, KeyboardInputProviderAcquireFocusEventArgs e)
{
}
// Token: 0x06005E75 RID: 24181 RVA: 0x001A7838 File Offset: 0x001A5A38
private static void OnPreviewKeyboardInputProviderAcquireFocus(object sender, KeyboardInputProviderAcquireFocusEventArgs e)
{
MenuBase menuBase = (MenuBase)sender;
if (!menuBase.IsKeyboardFocusWithin && !menuBase.HasPushedMenuMode)
{
menuBase.PushMenuMode(true);
}
}
