gboolean gtk_selection_convert ( GtkWidget* widget, GdkAtom selection, GdkAtom target, guint32 time_ )
Requests the contents of a selection. When received, a “selection-received” signal will be generated.
The widget which acts as requestor.
The data is owned by the caller of the function.
Which selection to get.
Form of information desired (e.g., STRING)
Time of request (usually of triggering event) In emergency, you could use #GDK_CURRENT_TIME.