internal static bool KeyDown(VirtualKey key, MenuFlyoutPresenter control)
{
var pbHandled = false;
if (key == VirtualKey.Up ||
key == VirtualKey.GamepadDPadUp ||
key == VirtualKey.GamepadLeftThumbstickUp)
{
control.HandleUpOrDownKey(false);
pbHandled = true;
}
else if (key == VirtualKey.Down ||
key == VirtualKey.GamepadDPadDown ||
key == VirtualKey.GamepadLeftThumbstickDown)
{
control.HandleUpOrDownKey(true);
pbHandled = true;
}
else if (key == VirtualKey.Tab)
{
pbHandled = true;
}
// Handle the left key to close the opened MenuFlyoutSubItem.
// The right arrow key is directly handled from the MenuFlyoutSubItem
// to open the sub menu item.
else if (key == VirtualKey.Left ||
key == VirtualKey.Escape)
{
if (control.IsSubPresenter)
{
control.HandleKeyDownLeftOrEscape();
pbHandled = true;
}
else
{
// If this is the top-level menu, let Popup close it (on Escape key press)
pbHandled = false;
}
}
return(pbHandled);
}
internal bool GetShouldBeNarrow()
{
MenuFlyoutPresenter spPresenter = GetParentMenuFlyoutPresenter();
var shouldBeNarrow = false;
if (spPresenter != null)
{
MenuFlyout spParentFlyout = spPresenter.GetParentMenuFlyout();
if (spParentFlyout != null)
{
shouldBeNarrow =
(spParentFlyout.InputDeviceTypeUsedToOpen == FocusInputDeviceKind.Mouse) ||
(spParentFlyout.InputDeviceTypeUsedToOpen == FocusInputDeviceKind.Pen) ||
(spParentFlyout.InputDeviceTypeUsedToOpen == FocusInputDeviceKind.Keyboard);
}
}
return(shouldBeNarrow);
}
internal static bool KeyDown(VirtualKey key, MenuFlyoutItem control)
{
var pbHandled = false;
// If SPACE/ENTER/NAVIGATION_ACCEPT/GAMEPAD_A is already down and a different key is now pressed,
// then cancel the SPACE/ENTER/NAVIGATION_ACCEPT/GAMEPAD_A press.
if (control.m_bIsSpaceOrEnterKeyDown || control.m_bIsNavigationAcceptOrGamepadAKeyDown)
{
if (key != VirtualKey.Space && key != VirtualKey.Enter && control.m_bIsSpaceOrEnterKeyDown)
{
control.m_bIsSpaceOrEnterKeyDown = false;
}
if (control.m_bIsNavigationAcceptOrGamepadAKeyDown && // The key down flag is set
key != VirtualKey.GamepadA) // AND it's not the GamepadA key
{
control.m_bIsNavigationAcceptOrGamepadAKeyDown = false;
}
control.m_bIsPressed = false;
control.UpdateVisualState();
}
if (key == VirtualKey.Up ||
key == VirtualKey.GamepadDPadUp ||
key == VirtualKey.GamepadLeftThumbstickUp)
{
MenuFlyoutPresenter spParentMenuFlyoutPresenter = control.GetParentMenuFlyoutPresenter();
if (spParentMenuFlyoutPresenter != null)
{
spParentMenuFlyoutPresenter.HandleUpOrDownKey(false);
pbHandled = true;
}
}
else if (key == VirtualKey.Down ||
key == VirtualKey.GamepadDPadDown ||
key == VirtualKey.GamepadLeftThumbstickDown)
{
MenuFlyoutPresenter spParentMenuFlyoutPresenter = control.GetParentMenuFlyoutPresenter();
if (spParentMenuFlyoutPresenter != null)
{
spParentMenuFlyoutPresenter.HandleUpOrDownKey(true);
pbHandled = true;
}
}
else if (key == VirtualKey.Space ||
key == VirtualKey.Enter ||
key == VirtualKey.GamepadA)
{
control.m_bIsPressed = true;
if (key == VirtualKey.Space || key == VirtualKey.Enter)
{
control.m_bIsSpaceOrEnterKeyDown = true;
}
else if (key == VirtualKey.GamepadA)
{
control.m_bIsNavigationAcceptOrGamepadAKeyDown = true;
}
control.UpdateVisualState();
pbHandled = true;
}
return(pbHandled);
}
// Sets the parent MenuFlyoutPresenter. internal void SetParentMenuFlyoutPresenter(MenuFlyoutPresenter pParentMenuFlyoutPresenter) => m_wrParentMenuFlyoutPresenter = new WeakReference(pParentMenuFlyoutPresenter);