signal_connect

Description:

public long signal_connect (string detailed_signal, Callback c_handler)

This function should be used instead of g_signal_connect when connecting to the GeglBuffer:GeglBuffer:changed signal handler, GeglBuffer contains additional machinery to avoid the overhead of changes when no signal handler have been connected, if regular g_signal_connect is used; then no signals will be emitted.

Parameters:

this	a GeglBuffer
detailed_signal	only "changed" expected for now
c_handler	c function callback
data	user data:

Returns:

an handle like g_signal_connect.