Emits the ::query-tooltip signal. This function is called from GtkSourceGutter. Implementations can override the default signal handler or can connect to the signal externally.
a GtkTextIter.
a GdkRectangle.
The x position of the tooltip.
The y position of the tooltip.
a GtkTooltip.
TRUE if the tooltip has been set, FALSE otherwise
See Implementation
Emits the ::query-tooltip signal. This function is called from GtkSourceGutter. Implementations can override the default signal handler or can connect to the signal externally.