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<HTML><HEAD><TITLE>Signals</TITLE><METANAME="GENERATOR"CONTENT="Modular DocBook HTML Stylesheet Version 1.61"><LINKREL="HOME"TITLE="GTK+ Reference Manual"HREF="index.html"><LINKREL="UP"TITLE="GTK+ "HREF="gtk.html"><LINKREL="PREVIOUS"TITLE="Drag and Drop"HREF="gtk-drag-and-drop.html"><LINKREL="NEXT"TITLE="Signal Marshallers"HREF="gtk-signal-marshallers.html"></HEAD><BODYCLASS="REFENTRY"BGCOLOR="#FFFFFF"TEXT="#000000"LINK="#0000FF"VLINK="#840084"ALINK="#0000FF"><DIVCLASS="NAVHEADER"><TABLEWIDTH="100%"BORDER="0"BGCOLOR="#000000"CELLPADDING="1"CELLSPACING="0"><TR><THCOLSPAN="4"ALIGN="center"><FONTCOLOR="#FFFFFF"SIZE="5">GTK+ Reference Manual</FONT></TH></TR><TR><TDWIDTH="25%"BGCOLOR="#C00000"ALIGN="left"><AHREF="gtk-drag-and-drop.html"><FONTCOLOR="#FFFFFF"SIZE="3"><B><<< Previous 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(<AHREF="gtk-signals.html#GTKSIGNALMARSHAL">*GtkSignalMarshal</A>) (<AHREF="gtkobject.html">GtkObject</A> *object, <AHREF=../glib/glib-basic-types.html#GPOINTER>gpointer</A> data, <AHREF=../glib/glib-basic-types.html#GUINT>guint</A> nparams, <AHREF="gtk-types.html#GTKARG">GtkArg</A> *args, <AHREF="gtk-types.html#GTKTYPE">GtkType</A> *arg_types, <AHREF="gtk-types.html#GTKTYPE">GtkType</A> return_type);void (<AHREF="gtk-signals.html#GTKSIGNALDESTROY">*GtkSignalDestroy</A>) (<AHREF=../glib/glib-basic-types.html#GPOINTER>gpointer</A> data);<AHREF=../glib/glib-basic-types.html#GBOOLEAN>gboolean</A> (<AHREF="gtk-signals.html#GTKEMISSIONHOOK">*GtkEmissionHook</A>) (<AHREF="gtkobject.html">GtkObject</A> *object, <AHREF=../glib/glib-basic-types.html#GUINT>guint</A> signal_id, <AHREF=../glib/glib-basic-types.html#GUINT>guint</A> n_params, <AHREF="gtk-types.html#GTKARG">GtkArg</A> *params, <AHREF=../glib/glib-basic-types.html#GPOINTER>gpointer</A> data);struct <AHREF="gtk-signals.html#GTKSIGNALQUERY">GtkSignalQuery</A>;enum <AHREF="gtk-signals.html#GTKSIGNALRUNTYPE">GtkSignalRunType</A>;void <AHREF="gtk-signals.html#GTK-SIGNAL-INIT">gtk_signal_init</A> (void);<AHREF=../glib/glib-basic-types.html#GUINT>guint</A> <AHREF="gtk-signals.html#GTK-SIGNAL-NEW">gtk_signal_new</A> (const <AHREF=../glib/glib-basic-types.html#GCHAR>gchar</A> *name, <AHREF="gtk-signals.html#GTKSIGNALRUNTYPE">GtkSignalRunType</A> signal_flags, <AHREF="gtk-types.html#GTKTYPE">GtkType</A> object_type, <AHREF=../glib/glib-basic-types.html#GUINT>guint</A> function_offset, <AHREF="gtk-types.html#GTKSIGNALMARSHALLER">GtkSignalMarshaller</A> marshaller, <AHREF="gtk-types.html#GTKTYPE">GtkType</A> return_val, <AHREF=../glib/glib-basic-types.html#GUINT>guint</A> nparams, ...);<AHREF=../glib/glib-basic-types.html#GUINT>guint</A> <AHREF="gtk-signals.html#GTK-SIGNAL-NEWV">gtk_signal_newv</A> (const <AHREF=../glib/glib-basic-types.html#GCHAR>gchar</A> *name, <AHREF="gtk-signals.html#GTKSIGNALRUNTYPE">GtkSignalRunType</A> signal_flags, <AHREF="gtk-types.html#GTKTYPE">GtkType</A> object_type, <AHREF=../glib/glib-basic-types.html#GUINT>guint</A> function_offset, <AHREF="gtk-types.html#GTKSIGNALMARSHALLER">GtkSignalMarshaller</A> marshaller, <AHREF="gtk-types.html#GTKTYPE">GtkType</A> return_val, <AHREF=../glib/glib-basic-types.html#GUINT>guint</A> nparams, <AHREF="gtk-types.html#GTKTYPE">GtkType</A> *params);<AHREF=../glib/glib-basic-types.html#GUINT>guint</A> <AHREF="gtk-signals.html#GTK-SIGNAL-LOOKUP">gtk_signal_lookup</A> (const <AHREF=../glib/glib-basic-types.html#GCHAR>gchar</A> *name, <AHREF="gtk-types.html#GTKTYPE">GtkType</A> object_type);<AHREF=../glib/glib-basic-types.html#GCHAR>gchar</A>* <AHREF="gtk-signals.html#GTK-SIGNAL-NAME">gtk_signal_name</A> (<AHREF=../glib/glib-basic-types.html#GUINT>guint</A> signal_id);void <AHREF="gtk-signals.html#GTK-SIGNAL-EMIT">gtk_signal_emit</A> (<AHREF="gtkobject.html">GtkObject</A> *object, <AHREF=../glib/glib-basic-types.html#GUINT>guint</A> signal_id, ...);void <AHREF="gtk-signals.html#GTK-SIGNAL-EMIT-BY-NAME">gtk_signal_emit_by_name</A> (<AHREF="gtkobject.html">GtkObject</A> *object, const <AHREF=../glib/glib-basic-types.html#GCHAR>gchar</A> *name, ...);void <AHREF="gtk-signals.html#GTK-SIGNAL-EMITV">gtk_signal_emitv</A> (<AHREF="gtkobject.html">GtkObject</A> *object, <AHREF=../glib/glib-basic-types.html#GUINT>guint</A> signal_id, <AHREF="gtk-types.html#GTKARG">GtkArg</A> *params);void <AHREF="gtk-signals.html#GTK-SIGNAL-EMITV-BY-NAME">gtk_signal_emitv_by_name</A> (<AHREF="gtkobject.html">GtkObject</A> *object, const <AHREF=../glib/glib-basic-types.html#GCHAR>gchar</A> *name, <AHREF="gtk-types.html#GTKARG">GtkArg</A> *params);<AHREF=../glib/glib-basic-types.html#GUINT>guint</A> <AHREF="gtk-signals.html#GTK-SIGNAL-N-EMISSIONS">gtk_signal_n_emissions</A> (<AHREF="gtkobject.html">GtkObject</A> *object, <AHREF=../glib/glib-basic-types.html#GUINT>guint</A> signal_id);<AHREF=../glib/glib-basic-types.html#GUINT>guint</A> <AHREF="gtk-signals.html#GTK-SIGNAL-N-EMISSIONS-BY-NAME">gtk_signal_n_emissions_by_name</A> (<AHREF="gtkobject.html">GtkObject</A> *object, const <AHREF=../glib/glib-basic-types.html#GCHAR>gchar</A> *name);void <AHREF="gtk-signals.html#GTK-SIGNAL-EMIT-STOP">gtk_signal_emit_stop</A> (<AHREF="gtkobject.html">GtkObject</A> *object, <AHREF=../glib/glib-basic-types.html#GUINT>guint</A> signal_id);void <AHREF="gtk-signals.html#GTK-SIGNAL-EMIT-STOP-BY-NAME">gtk_signal_emit_stop_by_name</A> (<AHREF="gtkobject.html">GtkObject</A> *object, const <AHREF=../glib/glib-basic-types.html#GCHAR>gchar</A> *name);<AHREF=../glib/glib-basic-types.html#GUINT>guint</A> <AHREF="gtk-signals.html#GTK-SIGNAL-CONNECT">gtk_signal_connect</A> (<AHREF="gtkobject.html">GtkObject</A> *object, const <AHREF=../glib/glib-basic-types.html#GCHAR>gchar</A> *name, <AHREF="gtk-types.html#GTKSIGNALFUNC">GtkSignalFunc</A> func, <AHREF=../glib/glib-basic-types.html#GPOINTER>gpointer</A> func_data);<AHREF=../glib/glib-basic-types.html#GUINT>guint</A> <AHREF="gtk-signals.html#GTK-SIGNAL-CONNECT-AFTER">gtk_signal_connect_after</A> (<AHREF="gtkobject.html">GtkObject</A> *object, const <AHREF=../glib/glib-basic-types.html#GCHAR>gchar</A> *name, <AHREF="gtk-types.html#GTKSIGNALFUNC">GtkSignalFunc</A> func, <AHREF=../glib/glib-basic-types.html#GPOINTER>gpointer</A> func_data);<AHREF=../glib/glib-basic-types.html#GUINT>guint</A> <AHREF="gtk-signals.html#GTK-SIGNAL-CONNECT-OBJECT">gtk_signal_connect_object</A> (<AHREF="gtkobject.html">GtkObject</A> *object, const <AHREF=../glib/glib-basic-types.html#GCHAR>gchar</A> *name, <AHREF="gtk-types.html#GTKSIGNALFUNC">GtkSignalFunc</A> func, <AHREF="gtkobject.html">GtkObject</A> *slot_object);<AHREF=../glib/glib-basic-types.html#GUINT>guint</A> <AHREF="gtk-signals.html#GTK-SIGNAL-CONNECT-OBJECT-AFTER">gtk_signal_connect_object_after</A> (<AHREF="gtkobject.html">GtkObject</A> *object, const <AHREF=../glib/glib-basic-types.html#GCHAR>gchar</A> *name, <AHREF="gtk-types.html#GTKSIGNALFUNC">GtkSignalFunc</A> func, <AHREF="gtkobject.html">GtkObject</A> *slot_object);<AHREF=../glib/glib-basic-types.html#GUINT>guint</A> <AHREF="gtk-signals.html#GTK-SIGNAL-CONNECT-FULL">gtk_signal_connect_full</A> (<AHREF="gtkobject.html">GtkObject</A> *object, const <AHREF=../glib/glib-basic-types.html#GCHAR>gchar</A> *name, <AHREF="gtk-types.html#GTKSIGNALFUNC">GtkSignalFunc</A> func, <AHREF="gtk-types.html#GTKCALLBACKMARSHAL">GtkCallbackMarshal</A> marshal, <AHREF=../glib/glib-basic-types.html#GPOINTER>gpointer</A> data, <AHREF="gtk-types.html#GTKDESTROYNOTIFY">GtkDestroyNotify</A> destroy_func, <AHREF=../glib/glib-basic-types.html#GINT>gint</A> object_signal, <AHREF=../glib/glib-basic-types.html#GINT>gint</A> after);void <AHREF="gtk-signals.html#GTK-SIGNAL-CONNECT-WHILE-ALIVE">gtk_signal_connect_while_alive</A> (<AHREF="gtkobject.html">GtkObject</A> *object, const <AHREF=../glib/glib-basic-types.html#GCHAR>gchar</A> *signal, <AHREF="gtk-types.html#GTKSIGNALFUNC">GtkSignalFunc</A> func, <AHREF=../glib/glib-basic-types.html#GPOINTER>gpointer</A> func_data, <AHREF="gtkobject.html">GtkObject</A> *alive_object);void <AHREF="gtk-signals.html#GTK-SIGNAL-CONNECT-OBJECT-WHILE-ALIVE">gtk_signal_connect_object_while_alive</A> (<AHREF="gtkobject.html">GtkObject</A> *object, const <AHREF=../glib/glib-basic-types.html#GCHAR>gchar</A> *signal, <AHREF="gtk-types.html#GTKSIGNALFUNC">GtkSignalFunc</A> func, <AHREF="gtkobject.html">GtkObject</A> *alive_object);void <AHREF="gtk-signals.html#GTK-SIGNAL-DISCONNECT">gtk_signal_disconnect</A> (<AHREF="gtkobject.html">GtkObject</A> *object, <AHREF=../glib/glib-basic-types.html#GUINT>guint</A> handler_id);void <AHREF="gtk-signals.html#GTK-SIGNAL-DISCONNECT-BY-FUNC">gtk_signal_disconnect_by_func</A> (<AHREF="gtkobject.html">GtkObject</A> *object, <AHREF="gtk-types.html#GTKSIGNALFUNC">GtkSignalFunc</A> func, <AHREF=../glib/glib-basic-types.html#GPOINTER>gpointer</A> data);void <AHREF="gtk-signals.html#GTK-SIGNAL-DISCONNECT-BY-DATA">gtk_signal_disconnect_by_data</A> (<AHREF="gtkobject.html">GtkObject</A> *object, <AHREF=../glib/glib-basic-types.html#GPOINTER>gpointer</A> data);void <AHREF="gtk-signals.html#GTK-SIGNAL-HANDLER-BLOCK">gtk_signal_handler_block</A> (<AHREF="gtkobject.html">GtkObject</A> *object, <AHREF=../glib/glib-basic-types.html#GUINT>guint</A> handler_id);void <AHREF="gtk-signals.html#GTK-SIGNAL-HANDLER-BLOCK-BY-FUNC">gtk_signal_handler_block_by_func</A> (<AHREF="gtkobject.html">GtkObject</A> *object, <AHREF="gtk-types.html#GTKSIGNALFUNC">GtkSignalFunc</A> func, <AHREF=../glib/glib-basic-types.html#GPOINTER>gpointer</A> data);void <AHREF="gtk-signals.html#GTK-SIGNAL-HANDLER-BLOCK-BY-DATA">gtk_signal_handler_block_by_data</A> (<AHREF="gtkobject.html">GtkObject</A> *object, <AHREF=../glib/glib-basic-types.html#GPOINTER>gpointer</A> data);void <AHREF="gtk-signals.html#GTK-SIGNAL-HANDLER-UNBLOCK">gtk_signal_handler_unblock</A> (<AHREF="gtkobject.html">GtkObject</A> *object, <AHREF=../glib/glib-basic-types.html#GUINT>guint</A> handler_id);void <AHREF="gtk-signals.html#GTK-SIGNAL-HANDLER-UNBLOCK-BY-FUNC">gtk_signal_handler_unblock_by_func</A> (<AHREF="gtkobject.html">GtkObject</A> *object, <AHREF="gtk-types.html#GTKSIGNALFUNC">GtkSignalFunc</A> func, <AHREF=../glib/glib-basic-types.html#GPOINTER>gpointer</A> data);void <AHREF="gtk-signals.html#GTK-SIGNAL-HANDLER-UNBLOCK-BY-DATA">gtk_signal_handler_unblock_by_data</A> (<AHREF="gtkobject.html">GtkObject</A> *object, <AHREF=../glib/glib-basic-types.html#GPOINTER>gpointer</A> data);<AHREF=../glib/glib-basic-types.html#GUINT>guint</A> <AHREF="gtk-signals.html#GTK-SIGNAL-HANDLER-PENDING">gtk_signal_handler_pending</A> (<AHREF="gtkobject.html">GtkObject</A> *object, <AHREF=../glib/glib-basic-types.html#GUINT>guint</A> signal_id, <AHREF=../glib/glib-basic-types.html#GBOOLEAN>gboolean</A> may_be_blocked);<AHREF=../glib/glib-basic-types.html#GUINT>guint</A> <AHREF="gtk-signals.html#GTK-SIGNAL-HANDLER-PENDING-BY-FUNC">gtk_signal_handler_pending_by_func</A> (<AHREF="gtkobject.html">GtkObject</A> *object, <AHREF=../glib/glib-basic-types.html#GUINT>guint</A> signal_id, <AHREF=../glib/glib-basic-types.html#GBOOLEAN>gboolean</A> may_be_blocked, <AHREF="gtk-types.html#GTKSIGNALFUNC">GtkSignalFunc</A> func, <AHREF=../glib/glib-basic-types.html#GPOINTER>gpointer</A> data);<AHREF=../glib/glib-basic-types.html#GINT>gint</A> <AHREF="gtk-signals.html#GTK-SIGNAL-HANDLER-PENDING-BY-ID">gtk_signal_handler_pending_by_id</A> (<AHREF="gtkobject.html">GtkObject</A> *object, <AHREF=../glib/glib-basic-types.html#GUINT>guint</A> handler_id, <AHREF=../glib/glib-basic-types.html#GBOOLEAN>gboolean</A> may_be_blocked);void <AHREF="gtk-signals.html#GTK-SIGNAL-HANDLERS-DESTROY">gtk_signal_handlers_destroy</A> (<AHREF="gtkobject.html">GtkObject</A> *object);void <AHREF="gtk-signals.html#GTK-SIGNAL-SET-FUNCS">gtk_signal_set_funcs</A> (<AHREF="gtk-signals.html#GTKSIGNALMARSHAL">GtkSignalMarshal</A> marshal_func, <AHREF="gtk-signals.html#GTKSIGNALDESTROY">GtkSignalDestroy</A> destroy_func);<AHREF="gtk-signals.html#GTKSIGNALQUERY">GtkSignalQuery</A>* <AHREF="gtk-signals.html#GTK-SIGNAL-QUERY">gtk_signal_query</A> (<AHREF=../glib/glib-basic-types.html#GUINT>guint</A> signal_id);<AHREF=../glib/glib-basic-types.html#GUINT>guint</A> <AHREF="gtk-signals.html#GTK-SIGNAL-ADD-EMISSION-HOOK">gtk_signal_add_emission_hook</A> (<A⌨️ 快捷键说明
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