Adds child control
Draws the container with children
Gives focus to a control
Returns child control by id
Initializes control
Event called on key input
Event called on mouse button click
Event called when mouse leaves control's rect
Event called when mouse enters in control's rect
Event called on mouse button release
Event called on character input
Resize the container if a child control is bigger
Removes a control from control list
Removes focus from a control
Updates child control position using dock property
Container should be resized if a child control is bigger ?
Children list
Current focused child
Current selected control tooltip