Function
GObjectSignalEmissionHook
Declaration
gboolean
(* GSignalEmissionHook) (
GSignalInvocationHint* ihint,
guint n_param_values,
const GValue* param_values,
gpointer data
)
Description
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.
Parameters
ihint |
GSignalInvocationHint |
Signal invocation hint, see |
|
The data is owned by the caller of the function. | |
n_param_values |
guint |
The number of parameters to the function, including the instance on which the signal was emitted. |
|
param_values |
An array of GValue |
The instance on which the signal was emitted, followed by the parameters of the emission. |
|
The length of the array is specified in the n_param_values argument. | |
The data is owned by the caller of the function. | |
data |
gpointer |
User data associated with the hook. |
|
The argument can be NULL . | |
The data is owned by the caller of the function. |