private async Task WaitForKeyChange()
{
var state = SettingsWindow.GetKeyboardState().ToList();
while (state.SequenceEqual(SettingsWindow.GetKeyboardState()))
{
await Task.Delay(10);
}
}
private async Task HotkeySetTask(TextBlock output, Action callback)
{
output.Dispatcher.Invoke(() => output.Text = "Press and HOLD any key combination...");
await this.WaitForKeyChange();
var timer = DateTime.Now;
var state = SettingsWindow.GetKeyboardState().ToList();
var invalid = true;
while ((DateTime.Now - timer).TotalSeconds < 0.8)
{
var newState = SettingsWindow.GetKeyboardState().ToList();
var ctrlPressed = newState.Where(x => x.Item1 == "LeftCtrl" || x.Item1 == "RightCtrl").Any(x => x.Item2);
var altPressed = newState.Where(x => x.Item1 == "LeftAlt" || x.Item1 == "RightAlt").Any(x => x.Item2);
var shiftPressed =
newState.Where(x => x.Item1 == "LeftShift" || x.Item1 == "RightShift").Any(x => x.Item2);
var otherKeysPressed =
newState.Where(
x =>
x.Item2 &&
!new[] { "LeftCtrl", "RightCtrl", "LeftAlt", "RightAlt", "LeftShift", "RightShift" }.Contains(
x.Item1)).ToList();
invalid = otherKeysPressed.Count != 1;
if (invalid || !state.SequenceEqual(newState))
{
timer = DateTime.Now;
}
output.Dispatcher.Invoke(() =>
{
if (invalid)
{
output.Text = "Invalid combination";
}
else
{
output.Text = otherKeysPressed.Single().Item1;
if (shiftPressed)
{
output.Text = "SHIFT-" + output.Text;
}
if (altPressed)
{
output.Text = "ALT-" + output.Text;
}
if (ctrlPressed)
{
output.Text = "CTRL-" + output.Text;
}
}
});
state = newState;
await Task.Delay(10);
}
output.Dispatcher.Invoke(() => output.Foreground = Brushes.GreenYellow);
await Task.Delay(500);
output.Dispatcher.Invoke(() => output.Foreground = Brushes.Black);
output.Dispatcher.Invoke(callback);
}