static void DoKeyEventField(Rect position, int index, ref KeyCodeWithModifier key, GUIStyle style)
{
int id = GUIUtility.GetControlID(s_KeyEventFieldHash + index, FocusType.Passive, position);
Event evt = Event.current;
switch (evt.GetTypeForControl(id))
{
case EventType.MouseDown:
{
// If the mouse is inside the button, we say that we're the hot control
if (position.Contains(evt.mousePosition))
{
GUIUtility.hotControl = id;
evt.Use();
if (bKeyEventActive == id)
// cancel
{
bKeyEventActive = -1;
}
else
{
bKeyEventActive = id;
}
}
return;
}
case EventType.MouseUp:
{
if (GUIUtility.hotControl == id)
{
GUIUtility.hotControl = id;
// If we got the mousedown, the mouseup is ours as well
// (no matter if the click was in the button or not)
evt.Use();
}
return;
}
case EventType.MouseDrag:
{
if (GUIUtility.hotControl == id)
{
evt.Use();
}
break;
}
case EventType.Repaint:
{
if (bKeyEventActive == id)
{
style.Draw(position, defaultKeyContent, id);
}
else
{
string str = KeyEvent.CodeToString(key.KeyCode);
style.Draw(position, new GUIContent(str), id);
}
break;
}
case EventType.KeyDown:
{
if ((GUIUtility.hotControl == id) && bKeyEventActive == id)
{
// ignore presses of just modifier keys
if (evt.character == '\0')
{
if (evt.alt &&
(evt.keyCode == KeyCode.AltGr || evt.keyCode == KeyCode.LeftAlt || evt.keyCode == KeyCode.RightAlt) ||
evt.control && (evt.keyCode == KeyCode.LeftControl || evt.keyCode == KeyCode.RightControl) ||
evt.command &&
(evt.keyCode == KeyCode.LeftApple || evt.keyCode == KeyCode.RightApple || evt.keyCode == KeyCode.LeftWindows ||
evt.keyCode == KeyCode.RightWindows) ||
evt.shift &&
(evt.keyCode == KeyCode.LeftShift || evt.keyCode == KeyCode.RightShift || (int)evt.keyCode == 0))
{
return;
}
}
bKeyEventActive = -1;
GUI.changed = true;
key.KeyCode = evt.keyCode;
key.Modifiers = (evt.command ? EventModifiers.Command : 0)
| (evt.alt ? EventModifiers.Alt : 0)
| (evt.shift ? EventModifiers.Shift : 0)
| (evt.control ? EventModifiers.Control : 0);
GUIUtility.hotControl = 0;
evt.Use();
return;
}
break;
}
}
}
public KeyDescriptionAttribute(string name, KeyCode code, EventModifiers modifier, KeyOptions options = KeyOptions.CreateMenu)
{
var keys = new KeyCodeWithModifier[1] {
new KeyCodeWithModifier(code, modifier, options)
}; KeyEvent = new KeyEvent(name, keys);
}
