get_offset
Description:
Gets the offset from the start point.
If the this is active, this function returns true and fills in x
and y with the coordinates of the current point, as an offset to the starting drag point.
Parameters:
| this |
a `GtkGesture` |
| x |
X offset for the current point |
| y |
Y offset for the current point |
Returns:
|
true if the gesture is active |