query_tooltip

Description:

public virtual signal bool query_tooltip (double x, double y, bool keyboard_tooltip, Tooltip tooltip)

Emitted when the mouse has paused over the item for a certain amount of time, or the tooltip was requested via the keyboard.

Note that if keyboard_mode is true, the values of x and y are undefined and should not be used.

If the item wants to display a tooltip it should update tooltip and return true.

x	the x coordinate of the mouse.
y	the y coordinate of the mouse.
tooltip	a Tooltip.
keyboard_mode	true if the tooltip was triggered using the keyboard.

true if the item has set a tooltip to show.