/// <summary>
/// Called before the <see cref="TextInput"/> event occurs.
/// </summary>
/// <param name="e">The event args.</param>
protected virtual void OnTextInput(TextInputEventArgs e)
{
}
protected override void OnTextInput(TextInputEventArgs e)
{
HandleTextInput(e.Text);
}
/// <summary>
/// Called before the <see cref="TextInput"/> event occurs.
/// </summary>
/// <param name="e">The event args.</param>
protected virtual void OnTextInput(TextInputEventArgs e)
{
}
private void ProcessRawEvent(RawInputEventArgs e)
{
IInputElement element = FocusedElement;
if (element != null)
{
var keyInput = e as RawKeyEventArgs;
if (keyInput != null)
{
switch (keyInput.Type)
{
case RawKeyEventType.KeyDown:
case RawKeyEventType.KeyUp:
var routedEvent = keyInput.Type == RawKeyEventType.KeyDown
? InputElement.KeyDownEvent
: InputElement.KeyUpEvent;
KeyEventArgs ev = new KeyEventArgs
{
RoutedEvent = routedEvent,
Device = this,
Key = keyInput.Key,
Modifiers = keyInput.Modifiers,
Source = element,
};
IVisual currentHandler = element;
while (currentHandler != null && !ev.Handled && keyInput.Type == RawKeyEventType.KeyDown)
{
var bindings = (currentHandler as IInputElement)?.KeyBindings;
if(bindings!=null)
foreach (var binding in bindings)
{
if(ev.Handled)
break;
binding.TryHandle(ev);
}
currentHandler = currentHandler.VisualParent;
}
element.RaiseEvent(ev);
e.Handled = ev.Handled;
break;
}
}
var text = e as RawTextInputEventArgs;
if (text != null)
{
var ev = new TextInputEventArgs()
{
Device = this,
Text = text.Text,
Source = element,
RoutedEvent = InputElement.TextInputEvent
};
element.RaiseEvent(ev);
e.Handled = ev.Handled;
}
}
}
private void ProcessRawEvent(RawInputEventArgs e)
{
IInputElement element = FocusedElement;
if (element != null)
{
var keyInput = e as RawKeyEventArgs;
if (keyInput != null)
{
switch (keyInput.Type)
{
case RawKeyEventType.KeyDown:
case RawKeyEventType.KeyUp:
var routedEvent = keyInput.Type == RawKeyEventType.KeyDown
? InputElement.KeyDownEvent
: InputElement.KeyUpEvent;
KeyEventArgs ev = new KeyEventArgs
{
RoutedEvent = routedEvent,
Device = this,
Key = keyInput.Key,
Modifiers = keyInput.Modifiers,
Source = element,
};
IVisual currentHandler = element;
while (currentHandler != null && !ev.Handled && keyInput.Type == RawKeyEventType.KeyDown)
{
var bindings = (currentHandler as IInputElement)?.KeyBindings;
if (bindings != null)
{
foreach (var binding in bindings)
{
if (ev.Handled)
{
break;
}
binding.TryHandle(ev);
}
}
currentHandler = currentHandler.VisualParent;
}
element.RaiseEvent(ev);
e.Handled = ev.Handled;
break;
}
}
var text = e as RawTextInputEventArgs;
if (text != null)
{
var ev = new TextInputEventArgs()
{
Device = this,
Text = text.Text,
Source = element,
RoutedEvent = InputElement.TextInputEvent
};
element.RaiseEvent(ev);
e.Handled = ev.Handled;
}
}
}
/// <summary>
/// Handles a key being pressed in the menu.
/// </summary>
/// <param name="sender">The event sender.</param>
/// <param name="e">The event args.</param>
protected virtual void OnTextInput(object sender, TextInputEventArgs e)
{
if (!string.IsNullOrWhiteSpace(e.Text))
{
var text = e.Text.ToUpper();
var focus = _registered
.FirstOrDefault(x => x.Item1 == text && x.Item2.IsEffectivelyVisible)?.Item2;
focus?.RaiseEvent(new RoutedEventArgs(AccessKeyHandler.AccessKeyPressedEvent));
e.Handled = true;
}
}
