private static LogicalKey CreateKey(VirtualKeyCode keyCode, IInputSimulator inputSimulator, KeyBehaviour keyType, VirtualKeyCollection chordKeys, string outputText)
{
LogicalKey result = null;
switch (keyType)
{
case KeyBehaviour.VirtualKey:
result = CreateVirtualKey(keyCode, inputSimulator);
break;
case KeyBehaviour.Chord:
result = CreateChordKey(keyCode, inputSimulator, chordKeys);
break;
case KeyBehaviour.Text:
result = CreateTextKey(keyCode, inputSimulator, outputText);
break;
case KeyBehaviour.InstantaneousModifier:
result = CreateInstantaneousModifierKey(keyCode, inputSimulator);
break;
case KeyBehaviour.TogglingModifier:
result = CreateTogglingModifierKey(keyCode, inputSimulator);
break;
default:
break;
}
return(result);
}
/// <summary>
/// Processes the event from a child control when is has been clicked. The logical
/// key that is associated with the child control is obtained and its "ScreenKeyPress"
/// method is called.
/// </summary>
/// <param name="keyboardElement"></param>
private void ProcessGenericKeyPress(UIElement keyboardElement)
{
if (!keys.ContainsKey(keyboardElement))
{
return;
}
LogicalKey key = keys[keyboardElement];
key.ScreenKeyPress();
}
private static void RecreateKey(UIElement child)
{
if (child == null)
{
return;
}
if (!(VisualTreeHelper.GetParent(child) is Keyboard parentKeyboard) || parentKeyboard.keys == null)
{
return;
}
// make sure key exist. If it's behavour is none it will not exist
if (parentKeyboard.keys.ContainsKey(child))
{
LogicalKey oldKey = parentKeyboard.keys[child];
parentKeyboard.keys.Remove(child);
parentKeyboard.modifierKeys.Remove(oldKey as ModifierKeyBase);
}
VirtualKeyCode keyCode = (VirtualKeyCode)child.GetValue(KeyCodeProperty);
KeyBehaviour keyBehaviour = (KeyBehaviour)child.GetValue(KeyBehaviourProperty);
VirtualKeyCollection chordKeys = (VirtualKeyCollection)child.GetValue(ChordKeysProperty);
string outputText = (string)child.GetValue(OutputTextProperty);
if (keyBehaviour == KeyBehaviour.None)
{
// do not create a new key
return;
}
LogicalKey key = CreateKey(keyCode, parentKeyboard.inputSimulator, keyBehaviour, chordKeys, outputText);
if (key == null)
{
return;
}
parentKeyboard.keys.Add(child, key);
key.KeyPressed += parentKeyboard.LogicalKeyPressed;
if (keyBehaviour == KeyBehaviour.InstantaneousModifier || keyBehaviour == KeyBehaviour.TogglingModifier)
{
parentKeyboard.modifierKeys.Add(key as ModifierKeyBase);
}
}
public override void EndInit()
{
inputSimulator = CreateInputSimulator();
keys = new Dictionary <UIElement, LogicalKey>();
modifierKeys = new List <ModifierKeyBase>();
foreach (UIElement child in Children)
{
VirtualKeyCode keyCode = (VirtualKeyCode)child.GetValue(KeyCodeProperty);
KeyBehaviour keyBehaviour = (KeyBehaviour)child.GetValue(KeyBehaviourProperty);
VirtualKeyCollection chordKeys = (VirtualKeyCollection)child.GetValue(ChordKeysProperty);
string outputText = (string)child.GetValue(OutputTextProperty);
if (keyBehaviour == KeyBehaviour.None)
{
// skip to the next child element
continue;
}
LogicalKey key = CreateKey(keyCode, inputSimulator, keyBehaviour, chordKeys, outputText);
if (key == null)
{
// skip to the next child element
continue;
}
ConnectToChildControl(child);
keys.Add(child, key);
key.KeyPressed += LogicalKeyPressed;
if (keyBehaviour == KeyBehaviour.InstantaneousModifier || keyBehaviour == KeyBehaviour.TogglingModifier)
{
modifierKeys.Add(key as ModifierKeyBase);
}
}
SynchroniseModifierKeyState();
base.EndInit();
}
