signal callback delegate or function to connect
void callback(double x, double y, double deltaX, double deltaY, gstgl.glwindow.GLWindow gLWindow)
x the x coordinate of the mouse event (optional)
y the y coordinate of the mouse event (optional)
deltaX the x offset of the scroll event (optional)
deltaY the y offset of the scroll event (optional)
gLWindow the instance the signal is connected to (optional)
Yes.After to execute callback after default handler, No.After to execute before (default)
Signal ID
Connect to ScrollEvent signal.
Will be emitted when a mouse scroll event is received by the GstGLwindow.