protected override void OnKeyDown(KeyRoutedEventArgs e)
{
if (e.Key == VirtualKey.Space && Document.Selection.Length == 0)
{
var clone = Document.Selection.GetClone();
var end = clone.EndOf(TextRangeUnit.CharacterFormat, true);
if (clone.EndPosition > Document.Selection.EndPosition && IsEqual(clone.CharacterFormat, Document.Selection.CharacterFormat))
{
}
else
{
Document.Selection.CharacterFormat = Document.GetDefaultCharacterFormat();
}
}
else if (e.Key == VirtualKey.Up || e.Key == VirtualKey.Down)
{
var alt = Window.Current.CoreWindow.GetKeyState(VirtualKey.Menu).HasFlag(CoreVirtualKeyStates.Down);
var ctrl = Window.Current.CoreWindow.GetKeyState(VirtualKey.Control).HasFlag(CoreVirtualKeyStates.Down);
var shift = Window.Current.CoreWindow.GetKeyState(VirtualKey.Shift).HasFlag(CoreVirtualKeyStates.Down);
if (e.Key == VirtualKey.Up && !alt && !ctrl && !shift && IsEmpty)
{
ViewModel.MessageEditLastCommand.Execute();
e.Handled = true;
}
else if (e.Key == VirtualKey.Up && ctrl)
{
ViewModel.MessageReplyPreviousCommand.Execute();
e.Handled = true;
}
else if (e.Key == VirtualKey.Down && ctrl)
{
ViewModel.MessageReplyNextCommand.Execute();
e.Handled = true;
}
else if (e.Key == VirtualKey.Up || e.Key == VirtualKey.Down)
{
if (Autocomplete != null && ViewModel.Autocomplete != null)
{
Autocomplete.SelectionMode = ListViewSelectionMode.Single;
var index = e.Key == VirtualKey.Up ? -1 : 1;
var next = Autocomplete.SelectedIndex + index;
if (next >= 0 && next < ViewModel.Autocomplete.Count)
{
Autocomplete.SelectedIndex = next;
Autocomplete.ScrollIntoView(Autocomplete.SelectedItem);
}
e.Handled = true;
}
}
}
else if ((e.Key == VirtualKey.Tab || e.Key == VirtualKey.Enter) && Autocomplete != null && Autocomplete.Items.Count > 0 && ViewModel.Autocomplete != null && !(ViewModel.Autocomplete is SearchStickersCollection))
{
var container = Autocomplete.ContainerFromIndex(Math.Max(0, Autocomplete.SelectedIndex)) as GridViewItem;
if (container != null)
{
var peer = new GridViewItemAutomationPeer(container);
var provider = peer.GetPattern(PatternInterface.Invoke) as IInvokeProvider;
provider.Invoke();
}
Logs.Logger.Debug(Logs.Target.Chat, "Tab pressed and handled");
e.Handled = true;
}
else if (e.Key == VirtualKey.Tab)
{
var ctrl = Window.Current.CoreWindow.GetKeyState(VirtualKey.Control).HasFlag(CoreVirtualKeyStates.Down);
if (ctrl)
{
return;
}
}
else if (e.Key == VirtualKey.Enter)
{
var ctrl = Window.Current.CoreWindow.GetKeyState(VirtualKey.Control);
var shift = Window.Current.CoreWindow.GetKeyState(VirtualKey.Shift);
var send = false;
if (ViewModel != null && ViewModel.Settings.IsSendByEnterEnabled)
{
send = !ctrl.HasFlag(CoreVirtualKeyStates.Down) && !shift.HasFlag(CoreVirtualKeyStates.Down);
}
else
{
send = ctrl.HasFlag(CoreVirtualKeyStates.Down) && !shift.HasFlag(CoreVirtualKeyStates.Down);
}
AcceptsReturn = !send;
e.Handled = send;
// If handwriting panel is open, the app would crash on send.
// Still, someone should fill a ticket to Microsoft about this.
if (send && ApiInfo.IsFullExperience && HandwritingView.IsOpen)
{
RoutedEventHandler handler = null;
handler = (s, args) =>
{
_ = SendAsync();
HandwritingView.Unloaded -= handler;
};
HandwritingView.Unloaded += handler;
HandwritingView.TryClose();
}
else if (send)
{
_ = SendAsync();
}
}
else if (e.Key == VirtualKey.X && Math.Abs(Document.Selection.Length) == 4)
{
var alt = Window.Current.CoreWindow.GetKeyState(VirtualKey.Menu).HasFlag(CoreVirtualKeyStates.Down);
if (alt)
{
Document.Selection.GetText(TextGetOptions.NoHidden, out string hex);
if (int.TryParse(hex, NumberStyles.HexNumber, CultureInfo.InvariantCulture, out int result))
{
Document.Selection.SetText(TextSetOptions.None, new string((char)result, 1));
}
}
}
if (!e.Handled)
{
base.OnKeyDown(e);
}
}
private void HandwritingView_Closed(HandwritingView sender, HandwritingPanelClosedEventArgs args)
{
Evaluate();
}
