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@ -39,91 +39,20 @@ namespace Avalonia.Controls.Platform |
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DelayRun = delayRun; |
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} |
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public virtual void Attach(IMenu menu) |
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{ |
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if (Menu != null) |
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{ |
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throw new NotSupportedException("DefaultMenuInteractionHandler is already attached."); |
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} |
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Menu = menu; |
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Menu.GotFocus += GotFocus; |
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Menu.LostFocus += LostFocus; |
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Menu.KeyDown += KeyDown; |
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Menu.PointerPressed += PointerPressed; |
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Menu.PointerReleased += PointerReleased; |
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Menu.AddHandler(AccessKeyHandler.AccessKeyPressedEvent, AccessKeyPressed); |
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Menu.AddHandler(MenuBase.MenuOpenedEvent, MenuOpened); |
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Menu.AddHandler(MenuItem.PointerEnteredItemEvent, PointerEntered); |
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Menu.AddHandler(MenuItem.PointerExitedItemEvent, PointerExited); |
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Menu.AddHandler(InputElement.PointerMovedEvent, PointerMoved); |
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_root = Menu.VisualRoot; |
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if (_root is InputElement inputRoot) |
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{ |
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inputRoot.AddHandler(InputElement.PointerPressedEvent, RootPointerPressed, RoutingStrategies.Tunnel); |
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} |
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if (_root is WindowBase window) |
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{ |
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window.Deactivated += WindowDeactivated; |
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} |
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if (_root is TopLevel tl && tl.PlatformImpl is ITopLevelImpl pimpl) |
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pimpl.LostFocus += TopLevelLostPlatformFocus; |
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_inputManagerSubscription = InputManager?.Process.Subscribe(RawInput); |
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} |
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public virtual void Detach(IMenu menu) |
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{ |
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if (Menu != menu) |
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{ |
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throw new NotSupportedException("DefaultMenuInteractionHandler is not attached to the menu."); |
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} |
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Menu.GotFocus -= GotFocus; |
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Menu.LostFocus -= LostFocus; |
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Menu.KeyDown -= KeyDown; |
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Menu.PointerPressed -= PointerPressed; |
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Menu.PointerReleased -= PointerReleased; |
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Menu.RemoveHandler(AccessKeyHandler.AccessKeyPressedEvent, AccessKeyPressed); |
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Menu.RemoveHandler(MenuBase.MenuOpenedEvent, MenuOpened); |
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Menu.RemoveHandler(MenuItem.PointerEnteredItemEvent, PointerEntered); |
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Menu.RemoveHandler(MenuItem.PointerExitedItemEvent, PointerExited); |
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Menu.RemoveHandler(InputElement.PointerMovedEvent, PointerMoved); |
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if (_root is InputElement inputRoot) |
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{ |
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inputRoot.RemoveHandler(InputElement.PointerPressedEvent, RootPointerPressed); |
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} |
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if (_root is WindowBase root) |
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{ |
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root.Deactivated -= WindowDeactivated; |
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} |
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if (_root is TopLevel tl && tl.PlatformImpl != null) |
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tl.PlatformImpl.LostFocus -= TopLevelLostPlatformFocus; |
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_inputManagerSubscription?.Dispose(); |
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Menu = null; |
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_root = null; |
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} |
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public void Attach(MenuBase menu) => AttachCore(menu); |
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public void Detach(MenuBase menu) => DetachCore(menu); |
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protected Action<Action, TimeSpan> DelayRun { get; } |
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protected IInputManager? InputManager { get; } |
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protected IMenu? Menu { get; private set; } |
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internal IMenu? Menu { get; private set; } |
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protected static TimeSpan MenuShowDelay { get; } = TimeSpan.FromMilliseconds(400); |
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protected internal virtual void GotFocus(object? sender, GotFocusEventArgs e) |
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{ |
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var item = GetMenuItem(e.Source as Control); |
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var item = GetMenuItemCore(e.Source as Control); |
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if (item?.Parent != null) |
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{ |
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@ -133,7 +62,7 @@ namespace Avalonia.Controls.Platform |
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protected internal virtual void LostFocus(object? sender, RoutedEventArgs e) |
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{ |
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var item = GetMenuItem(e.Source as Control); |
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var item = GetMenuItemCore(e.Source as Control); |
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if (item != null) |
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{ |
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@ -143,146 +72,12 @@ namespace Avalonia.Controls.Platform |
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protected internal virtual void KeyDown(object? sender, KeyEventArgs e) |
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{ |
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KeyDown(GetMenuItem(e.Source as Control), e); |
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} |
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protected internal virtual void KeyDown(IMenuItem? item, KeyEventArgs e) |
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{ |
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switch (e.Key) |
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{ |
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case Key.Up: |
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case Key.Down: |
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{ |
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if (item?.IsTopLevel == true && item.HasSubMenu) |
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{ |
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if (!item.IsSubMenuOpen) |
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{ |
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Open(item, true); |
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} |
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else |
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{ |
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item.MoveSelection(NavigationDirection.First, true); |
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} |
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e.Handled = true; |
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} |
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else |
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{ |
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goto default; |
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} |
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break; |
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} |
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case Key.Left: |
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{ |
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if (item is { IsSubMenuOpen: true, SelectedItem: null }) |
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{ |
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item.Close(); |
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} |
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else if (item?.Parent is IMenuItem { IsTopLevel: false, IsSubMenuOpen: true } parent) |
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{ |
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parent.Close(); |
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parent.Focus(); |
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e.Handled = true; |
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} |
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else |
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{ |
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goto default; |
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} |
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break; |
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} |
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case Key.Right: |
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{ |
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if (item != null && !item.IsTopLevel && item.HasSubMenu) |
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{ |
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Open(item, true); |
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e.Handled = true; |
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} |
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else |
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{ |
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goto default; |
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} |
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break; |
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} |
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case Key.Enter: |
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{ |
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if (item != null) |
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{ |
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if (!item.HasSubMenu) |
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{ |
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Click(item); |
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} |
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else |
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{ |
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Open(item, true); |
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} |
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e.Handled = true; |
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} |
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|
break; |
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} |
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|
case Key.Escape: |
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{ |
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if (item?.Parent is IMenuElement parent) |
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{ |
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parent.Close(); |
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parent.Focus(); |
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} |
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else |
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{ |
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Menu!.Close(); |
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} |
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e.Handled = true; |
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break; |
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} |
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default: |
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{ |
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var direction = e.Key.ToNavigationDirection(); |
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if (direction?.IsDirectional() == true) |
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{ |
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if (item == null && _isContextMenu) |
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{ |
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if (Menu!.MoveSelection(direction.Value, true) == true) |
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{ |
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e.Handled = true; |
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} |
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} |
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else if (item?.Parent?.MoveSelection(direction.Value, true) == true) |
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{ |
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// If the the parent is an IMenu which successfully moved its selection,
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|
// and the current menu is open then close the current menu and open the
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// new menu.
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|
if (item.IsSubMenuOpen && |
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|
item.Parent is IMenu && |
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|
item.Parent.SelectedItem is object && |
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|
item.Parent.SelectedItem != item) |
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|
{ |
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item.Close(); |
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Open(item.Parent.SelectedItem, true); |
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} |
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e.Handled = true; |
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} |
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} |
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break; |
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} |
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} |
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if (!e.Handled && item?.Parent is IMenuItem parentItem) |
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{ |
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KeyDown(parentItem, e); |
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} |
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KeyDown(GetMenuItemCore(e.Source as Control), e); |
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} |
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protected internal virtual void AccessKeyPressed(object? sender, RoutedEventArgs e) |
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{ |
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var item = GetMenuItem(e.Source as Control); |
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var item = GetMenuItemCore(e.Source as Control); |
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if (item == null) |
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{ |
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@ -303,7 +98,7 @@ namespace Avalonia.Controls.Platform |
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protected internal virtual void PointerEntered(object? sender, RoutedEventArgs e) |
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{ |
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var item = GetMenuItem(e.Source as Control); |
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var item = GetMenuItemCore(e.Source as Control); |
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if (item?.Parent == null) |
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{ |
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@ -349,7 +144,7 @@ namespace Avalonia.Controls.Platform |
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protected internal virtual void PointerMoved(object? sender, PointerEventArgs e) |
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{ |
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// HACK: #8179 needs to be addressed to correctly implement it in the PointerPressed method.
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var item = GetMenuItem(e.Source as Control) as MenuItem; |
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var item = GetMenuItemCore(e.Source as Control) as MenuItem; |
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if (item == null) |
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return; |
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@ -370,7 +165,7 @@ namespace Avalonia.Controls.Platform |
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protected internal virtual void PointerExited(object? sender, RoutedEventArgs e) |
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{ |
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var item = GetMenuItem(e.Source as Control); |
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var item = GetMenuItemCore(e.Source as Control); |
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if (item?.Parent == null) |
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{ |
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@ -405,7 +200,7 @@ namespace Avalonia.Controls.Platform |
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protected internal virtual void PointerPressed(object? sender, PointerPressedEventArgs e) |
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{ |
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var item = GetMenuItem(e.Source as Control); |
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var item = GetMenuItemCore(e.Source as Control); |
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if (sender is Visual visual && |
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e.GetCurrentPoint(visual).Properties.IsLeftButtonPressed && item?.HasSubMenu == true) |
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@ -436,7 +231,7 @@ namespace Avalonia.Controls.Platform |
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protected internal virtual void PointerReleased(object? sender, PointerReleasedEventArgs e) |
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{ |
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var item = GetMenuItem(e.Source as Control); |
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var item = GetMenuItemCore(e.Source as Control); |
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if (e.InitialPressMouseButton == MouseButton.Left && item?.HasSubMenu == false) |
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{ |
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@ -478,13 +273,84 @@ namespace Avalonia.Controls.Platform |
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{ |
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Menu?.Close(); |
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} |
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private void TopLevelLostPlatformFocus() |
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internal static MenuItem? GetMenuItem(StyledElement? item) => (MenuItem?)GetMenuItemCore(item); |
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internal void AttachCore(IMenu menu) |
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|
{ |
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|
|
Menu?.Close(); |
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if (Menu != null) |
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|
{ |
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|
throw new NotSupportedException("DefaultMenuInteractionHandler is already attached."); |
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} |
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Menu = menu; |
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Menu.GotFocus += GotFocus; |
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Menu.LostFocus += LostFocus; |
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|
Menu.KeyDown += KeyDown; |
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Menu.PointerPressed += PointerPressed; |
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Menu.PointerReleased += PointerReleased; |
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Menu.AddHandler(AccessKeyHandler.AccessKeyPressedEvent, AccessKeyPressed); |
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Menu.AddHandler(MenuBase.MenuOpenedEvent, MenuOpened); |
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Menu.AddHandler(MenuItem.PointerEnteredItemEvent, PointerEntered); |
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Menu.AddHandler(MenuItem.PointerExitedItemEvent, PointerExited); |
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Menu.AddHandler(InputElement.PointerMovedEvent, PointerMoved); |
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_root = Menu.VisualRoot; |
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|
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if (_root is InputElement inputRoot) |
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{ |
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inputRoot.AddHandler(InputElement.PointerPressedEvent, RootPointerPressed, RoutingStrategies.Tunnel); |
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} |
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|
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if (_root is WindowBase window) |
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{ |
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window.Deactivated += WindowDeactivated; |
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} |
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|
|
if (_root is TopLevel tl && tl.PlatformImpl is ITopLevelImpl pimpl) |
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pimpl.LostFocus += TopLevelLostPlatformFocus; |
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_inputManagerSubscription = InputManager?.Process.Subscribe(RawInput); |
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} |
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|
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protected void Click(IMenuItem item) |
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internal void DetachCore(IMenu menu) |
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|
|
{ |
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|
|
if (Menu != menu) |
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|
|
{ |
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|
throw new NotSupportedException("DefaultMenuInteractionHandler is not attached to the menu."); |
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} |
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|
|
Menu.GotFocus -= GotFocus; |
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|
Menu.LostFocus -= LostFocus; |
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Menu.KeyDown -= KeyDown; |
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Menu.PointerPressed -= PointerPressed; |
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|
Menu.PointerReleased -= PointerReleased; |
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Menu.RemoveHandler(AccessKeyHandler.AccessKeyPressedEvent, AccessKeyPressed); |
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Menu.RemoveHandler(MenuBase.MenuOpenedEvent, MenuOpened); |
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Menu.RemoveHandler(MenuItem.PointerEnteredItemEvent, PointerEntered); |
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Menu.RemoveHandler(MenuItem.PointerExitedItemEvent, PointerExited); |
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Menu.RemoveHandler(InputElement.PointerMovedEvent, PointerMoved); |
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|
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if (_root is InputElement inputRoot) |
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{ |
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|
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inputRoot.RemoveHandler(InputElement.PointerPressedEvent, RootPointerPressed); |
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|
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} |
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|
|
if (_root is WindowBase root) |
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|
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{ |
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|
|
root.Deactivated -= WindowDeactivated; |
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|
|
} |
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|
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|
|
|
|
if (_root is TopLevel tl && tl.PlatformImpl != null) |
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|
|
tl.PlatformImpl.LostFocus -= TopLevelLostPlatformFocus; |
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|
|
_inputManagerSubscription?.Dispose(); |
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|
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Menu = null; |
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|
_root = null; |
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} |
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|
|
internal void Click(IMenuItem item) |
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|
{ |
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|
|
item.RaiseClick(); |
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|
|
@ -494,7 +360,7 @@ namespace Avalonia.Controls.Platform |
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|
} |
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|
|
} |
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|
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|
|
protected void CloseMenu(IMenuItem item) |
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|
|
internal void CloseMenu(IMenuItem item) |
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|
|
{ |
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|
|
var current = (IMenuElement?)item; |
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|
|
@ -506,7 +372,7 @@ namespace Avalonia.Controls.Platform |
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|
current?.Close(); |
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|
} |
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|
|
protected void CloseWithDelay(IMenuItem item) |
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|
|
internal void CloseWithDelay(IMenuItem item) |
|
|
|
{ |
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|
|
void Execute() |
|
|
|
{ |
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|
|
@ -519,7 +385,141 @@ namespace Avalonia.Controls.Platform |
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|
|
DelayRun(Execute, MenuShowDelay); |
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|
|
} |
|
|
|
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|
|
|
protected void Open(IMenuItem item, bool selectFirst) |
|
|
|
internal void KeyDown(IMenuItem? item, KeyEventArgs e) |
|
|
|
{ |
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|
|
switch (e.Key) |
|
|
|
{ |
|
|
|
case Key.Up: |
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|
|
case Key.Down: |
|
|
|
{ |
|
|
|
if (item?.IsTopLevel == true && item.HasSubMenu) |
|
|
|
{ |
|
|
|
if (!item.IsSubMenuOpen) |
|
|
|
{ |
|
|
|
Open(item, true); |
|
|
|
} |
|
|
|
else |
|
|
|
{ |
|
|
|
item.MoveSelection(NavigationDirection.First, true); |
|
|
|
} |
|
|
|
|
|
|
|
e.Handled = true; |
|
|
|
} |
|
|
|
else |
|
|
|
{ |
|
|
|
goto default; |
|
|
|
} |
|
|
|
break; |
|
|
|
} |
|
|
|
|
|
|
|
case Key.Left: |
|
|
|
{ |
|
|
|
if (item is { IsSubMenuOpen: true, SelectedItem: null }) |
|
|
|
{ |
|
|
|
item.Close(); |
|
|
|
} |
|
|
|
else if (item?.Parent is IMenuItem { IsTopLevel: false, IsSubMenuOpen: true } parent) |
|
|
|
{ |
|
|
|
parent.Close(); |
|
|
|
parent.Focus(); |
|
|
|
e.Handled = true; |
|
|
|
} |
|
|
|
else |
|
|
|
{ |
|
|
|
goto default; |
|
|
|
} |
|
|
|
break; |
|
|
|
} |
|
|
|
|
|
|
|
case Key.Right: |
|
|
|
{ |
|
|
|
if (item != null && !item.IsTopLevel && item.HasSubMenu) |
|
|
|
{ |
|
|
|
Open(item, true); |
|
|
|
e.Handled = true; |
|
|
|
} |
|
|
|
else |
|
|
|
{ |
|
|
|
goto default; |
|
|
|
} |
|
|
|
break; |
|
|
|
} |
|
|
|
|
|
|
|
case Key.Enter: |
|
|
|
{ |
|
|
|
if (item != null) |
|
|
|
{ |
|
|
|
if (!item.HasSubMenu) |
|
|
|
{ |
|
|
|
Click(item); |
|
|
|
} |
|
|
|
else |
|
|
|
{ |
|
|
|
Open(item, true); |
|
|
|
} |
|
|
|
|
|
|
|
e.Handled = true; |
|
|
|
} |
|
|
|
break; |
|
|
|
} |
|
|
|
|
|
|
|
case Key.Escape: |
|
|
|
{ |
|
|
|
if (item?.Parent is IMenuElement parent) |
|
|
|
{ |
|
|
|
parent.Close(); |
|
|
|
parent.Focus(); |
|
|
|
} |
|
|
|
else |
|
|
|
{ |
|
|
|
Menu!.Close(); |
|
|
|
} |
|
|
|
|
|
|
|
e.Handled = true; |
|
|
|
break; |
|
|
|
} |
|
|
|
|
|
|
|
default: |
|
|
|
{ |
|
|
|
var direction = e.Key.ToNavigationDirection(); |
|
|
|
|
|
|
|
if (direction?.IsDirectional() == true) |
|
|
|
{ |
|
|
|
if (item == null && _isContextMenu) |
|
|
|
{ |
|
|
|
if (Menu!.MoveSelection(direction.Value, true) == true) |
|
|
|
{ |
|
|
|
e.Handled = true; |
|
|
|
} |
|
|
|
} |
|
|
|
else if (item?.Parent?.MoveSelection(direction.Value, true) == true) |
|
|
|
{ |
|
|
|
// If the the parent is an IMenu which successfully moved its selection,
|
|
|
|
// and the current menu is open then close the current menu and open the
|
|
|
|
// new menu.
|
|
|
|
if (item.IsSubMenuOpen && |
|
|
|
item.Parent is IMenu && |
|
|
|
item.Parent.SelectedItem is object && |
|
|
|
item.Parent.SelectedItem != item) |
|
|
|
{ |
|
|
|
item.Close(); |
|
|
|
Open(item.Parent.SelectedItem, true); |
|
|
|
} |
|
|
|
e.Handled = true; |
|
|
|
} |
|
|
|
} |
|
|
|
|
|
|
|
break; |
|
|
|
} |
|
|
|
} |
|
|
|
|
|
|
|
if (!e.Handled && item?.Parent is IMenuItem parentItem) |
|
|
|
{ |
|
|
|
KeyDown(parentItem, e); |
|
|
|
} |
|
|
|
} |
|
|
|
|
|
|
|
internal void Open(IMenuItem item, bool selectFirst) |
|
|
|
{ |
|
|
|
item.Open(); |
|
|
|
|
|
|
|
@ -529,7 +529,7 @@ namespace Avalonia.Controls.Platform |
|
|
|
} |
|
|
|
} |
|
|
|
|
|
|
|
protected void OpenWithDelay(IMenuItem item) |
|
|
|
internal void OpenWithDelay(IMenuItem item) |
|
|
|
{ |
|
|
|
void Execute() |
|
|
|
{ |
|
|
|
@ -542,7 +542,7 @@ namespace Avalonia.Controls.Platform |
|
|
|
DelayRun(Execute, MenuShowDelay); |
|
|
|
} |
|
|
|
|
|
|
|
protected void SelectItemAndAncestors(IMenuItem item) |
|
|
|
internal void SelectItemAndAncestors(IMenuItem item) |
|
|
|
{ |
|
|
|
var current = (IMenuItem?)item; |
|
|
|
|
|
|
|
@ -553,7 +553,7 @@ namespace Avalonia.Controls.Platform |
|
|
|
} |
|
|
|
} |
|
|
|
|
|
|
|
protected static IMenuItem? GetMenuItem(StyledElement? item) |
|
|
|
internal static IMenuItem? GetMenuItemCore(StyledElement? item) |
|
|
|
{ |
|
|
|
while (true) |
|
|
|
{ |
|
|
|
@ -565,6 +565,11 @@ namespace Avalonia.Controls.Platform |
|
|
|
} |
|
|
|
} |
|
|
|
|
|
|
|
private void TopLevelLostPlatformFocus() |
|
|
|
{ |
|
|
|
Menu?.Close(); |
|
|
|
} |
|
|
|
|
|
|
|
private static void DefaultDelayRun(Action action, TimeSpan timeSpan) |
|
|
|
{ |
|
|
|
DispatcherTimer.RunOnce(action, timeSpan); |
|
|
|
|
Max Katz
3 years ago
GitHub