Emitted when the mouse enters the control's [code]Rect[/code] area, provided its [member mouse_filter] lets the event reach it.
[b]Note:[/b] [signal mouse_entered] will not be emitted if the mouse enters a child [Control] node before entering the parent's [code]Rect[/code] area, at least until the mouse is moved to reach the parent's [code]Rect[/code] area.
</description>
</signal>
<signalname="mouse_exited">
<description>
Emitted when the mouse leaves the control's [code]Rect[/code] area, provided its [member mouse_filter] lets the event reach it.
[b]Note:[/b] [signal mouse_exited] will be emitted if the mouse enters a child [Control] node, even if the mouse cursor is still inside the parent's [code]Rect[/code] area.