public static InputHandlerDescriptor ParseDragDescriptor(string input)
{
InputHandlerDescriptor retn = ParseDescriptor(input);
retn.handlerType = ParseDragInputEventType(retn.eventName);
return(retn);
}
private static InputHandlerDescriptor ParseDescriptor(string input)
{
InputHandlerDescriptor retn = default;
retn.eventPhase = EventPhase.Bubble;
retn.modifiers = KeyboardModifiers.None;
retn.requiresFocus = false;
input = input.ToLower();
int dotIndex = input.IndexOf('.');
if (dotIndex == -1)
{
retn.eventName = input;
return(retn);
}
else
{
string[] parts = input.Split(s_SplitDot, StringSplitOptions.RemoveEmptyEntries);
retn.eventName = parts[0];
for (int i = 1; i < parts.Length; i++)
{
string part = parts[i];
switch (part)
{
case "focus":
retn.requiresFocus = true;
break;
case "capture": {
retn.eventPhase = EventPhase.Capture;
break;
}
case "shift": {
retn.modifiers |= KeyboardModifiers.Shift;
break;
}
case "ctrl":
case "control": {
retn.modifiers |= KeyboardModifiers.Control;
break;
}
case "cmd":
case "command": {
retn.modifiers |= KeyboardModifiers.Command;
break;
}
case "alt": {
retn.modifiers |= KeyboardModifiers.Alt;
break;
}
default:
throw new ParseException("Invalid mouse modifier: " + part + " in input string: " + input);
}
}
}
return(retn);
}