A simple function pointer to get invoked when the signal is emitted.
Emission hooks allow you to tie a hook to the signal type, so that it will trap all emissions of that signal, from any object.
You may not attach these to signals created with the G_SIGNAL_NO_HOOKS flag.
whether it wants to stay connected. If it returns false, the signal hook is disconnected (and destroyed).
A simple function pointer to get invoked when the signal is emitted.
Emission hooks allow you to tie a hook to the signal type, so that it will trap all emissions of that signal, from any object.
You may not attach these to signals created with the G_SIGNAL_NO_HOOKS flag.