<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/loose.dtd"> <HTML ><HEAD ><TITLE >Advanced Event and Signal Handling</TITLE ><META NAME="GENERATOR" CONTENT="Modular DocBook HTML Stylesheet Version 1.79"><LINK REL="HOME" TITLE="GTK+ 2.0 Tutorial" HREF="book1.html"><LINK REL="PREVIOUS" TITLE="Idle Functions" HREF="x1790.html"><LINK REL="NEXT" TITLE="Signal Emission and Propagation" HREF="x1810.html"></HEAD ><BODY CLASS="CHAPTER" BGCOLOR="#FFFFFF" TEXT="#000000" LINK="#0000FF" VLINK="#840084" ALINK="#0000FF" ><DIV CLASS="NAVHEADER" ><TABLE SUMMARY="Header navigation table" WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TH COLSPAN="3" ALIGN="center" >GTK+ 2.0 Tutorial</TH ></TR ><TR ><TD WIDTH="10%" ALIGN="left" VALIGN="bottom" ><A HREF="x1790.html" ACCESSKEY="P" ><<< Previous</A ></TD ><TD WIDTH="80%" ALIGN="center" VALIGN="bottom" ></TD ><TD WIDTH="10%" ALIGN="right" VALIGN="bottom" ><A HREF="x1810.html" ACCESSKEY="N" >Next >>></A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><DIV CLASS="CHAPTER" ><H1 ><A NAME="CH-ADVANCEDEVENTSANDSIGNALS" ></A >Advanced Event and Signal Handling</H1 ><DIV CLASS="SECT1" ><H1 CLASS="SECT1" ><A NAME="SEC-SIGNALFUNCTIONS" >Signal Functions</A ></H1 ><DIV CLASS="SECT2" ><H2 CLASS="SECT2" ><A NAME="AEN1801" >Connecting and Disconnecting Signal Handlers</A ></H2 ><TABLE BORDER="0" BGCOLOR="#E0E0E0" WIDTH="100%" ><TR ><TD ><PRE CLASS="PROGRAMLISTING" >gulong g_signal_connect( GObject *object, const gchar *name, GCallback func, gpointer func_data ); gulong g_signal_connect_after( GObject *object, const gchar *name, GCallback func, gpointer func_data ); gulong g_signal_connect_swapped( GObject *object, const gchar *name, GCallback func, GObject *slot_object ); void g_signal_handler_disconnect( GObject *object, gulong handler_id ); void g_signal_handlers_disconnect_by_func( GObject *object, GCallback func, gpointer data );</PRE ></TD ></TR ></TABLE ></DIV ><DIV CLASS="SECT2" ><H2 CLASS="SECT2" ><A NAME="AEN1804" >Blocking and Unblocking Signal Handlers</A ></H2 ><TABLE BORDER="0" BGCOLOR="#E0E0E0" WIDTH="100%" ><TR ><TD ><PRE CLASS="PROGRAMLISTING" >void g_signal_handler_block( GObject *object, gulong handler_id); void g_signal_handlers_block_by_func( GObject *object, GCallback func, gpointer data ); void g_signal_handler_unblock( GObject *object, gulong handler_id ); void g_signal_handler_unblock_by_func( GObject *object, GCallback func, gpointer data );</PRE ></TD ></TR ></TABLE ></DIV ><DIV CLASS="SECT2" ><H2 CLASS="SECT2" ><A NAME="AEN1807" >Emitting and Stopping Signals</A ></H2 ><TABLE BORDER="0" BGCOLOR="#E0E0E0" WIDTH="100%" ><TR ><TD ><PRE CLASS="PROGRAMLISTING" >void g_signal_emit( GObject *object, guint signal_id, ... ); void g_signal_emit_by_name( GObject *object, const gchar *name, ... ); void g_signal_emitv( const GValue *instance_and_params, guint signal_id, GQuark detail, GValue *return_value ); void g_signal_stop_emission( GObject *object, guint signal_id, GQuark detail ); void g_signal_stop_emission_by_name( GObject *object, const gchar *detailed_signal );</PRE ></TD ></TR ></TABLE ></DIV ></DIV ></DIV ><DIV CLASS="NAVFOOTER" ><HR ALIGN="LEFT" WIDTH="100%"><TABLE SUMMARY="Footer navigation table" WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" ><A HREF="x1790.html" ACCESSKEY="P" ><<< Previous</A ></TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="book1.html" ACCESSKEY="H" >Home</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" ><A HREF="x1810.html" ACCESSKEY="N" >Next >>></A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >Idle Functions</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" > </TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >Signal Emission and Propagation</TD ></TR ></TABLE ></DIV ></BODY ></HTML >