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  • Committer: Bazaar Package Importer
  • Author(s): Emilio Pozuelo Monfort
  • Date: 2010-12-23 03:09:40 UTC
  • mfrom: (1.13.4 upstream)
  • Revision ID: james.westby@ubuntu.com-20101223030940-ctsv8mereipe1e2p
Tags: 2.23.3-1
* New upstream release.
  + debian/control.in:
    - Bump the libglib2.0-dev build requirement.
  + debian/patches/070_mandatory-relibtoolize.patch:
    - Refreshed.
  + debian/libgtk2.0-0.symbols:
    - Updated for the new symbols.
  + debian/rules:
    - Bump the shver.

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docs/faq/html/x571.html
 
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/loose.dtd">
 
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<HTML
 
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><HEAD
 
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><TITLE
 
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>I need to add a new signal to a GTK+ widget. Any
 
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idea?</TITLE
 
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><META
 
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NAME="GENERATOR"
 
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CONTENT="Modular DocBook HTML Stylesheet Version 1.79"><LINK
 
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REL="HOME"
 
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TITLE="GTK+ FAQ"
 
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HREF="book1.html"><LINK
 
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REL="UP"
 
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TITLE="Development with GTK+: general questions"
 
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HREF="c466.html"><LINK
 
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REL="PREVIOUS"
 
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TITLE="I have my signal connected to the the (whatever) event,
 
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but it seems I don't catch it. What's wrong?"
 
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HREF="x563.html"><LINK
 
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REL="NEXT"
 
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TITLE="Is it possible to get some text displayed which is
 
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truncated to fit inside its allocation?"
 
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HREF="x581.html"></HEAD
 
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><BODY
 
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CLASS="SECT1"
 
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BGCOLOR="#FFFFFF"
 
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TEXT="#000000"
 
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LINK="#0000FF"
 
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VLINK="#840084"
 
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ALINK="#0000FF"
 
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><DIV
 
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CLASS="NAVHEADER"
 
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><TABLE
 
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SUMMARY="Header navigation table"
 
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WIDTH="100%"
 
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BORDER="0"
 
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CELLPADDING="0"
 
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CELLSPACING="0"
 
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><TR
 
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><TH
 
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COLSPAN="3"
 
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ALIGN="center"
 
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>GTK+ FAQ</TH
 
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></TR
 
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><TR
 
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><TD
 
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WIDTH="10%"
 
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ALIGN="left"
 
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VALIGN="bottom"
 
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><A
 
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HREF="x563.html"
 
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ACCESSKEY="P"
 
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>&#60;&#60;&#60; Previous</A
 
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></TD
 
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><TD
 
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WIDTH="80%"
 
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ALIGN="center"
 
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VALIGN="bottom"
 
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>Development with GTK+: general questions</TD
 
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><TD
 
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WIDTH="10%"
 
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ALIGN="right"
 
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VALIGN="bottom"
 
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><A
 
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HREF="x581.html"
 
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ACCESSKEY="N"
 
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>Next &#62;&#62;&#62;</A
 
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></TD
 
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></TR
 
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></TABLE
 
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><HR
 
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ALIGN="LEFT"
 
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WIDTH="100%"></DIV
 
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><DIV
 
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CLASS="SECT1"
 
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><H1
 
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CLASS="SECT1"
 
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><A
 
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NAME="AEN571"
 
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>I need to add a new signal to a GTK+ widget. Any
 
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idea?</A
 
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></H1
 
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><P
 
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>If the signal you want to add may be beneficial for
 
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other GTK+ users, you may want to submit a patch that
 
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presents your changes. Check the tutorial for more
 
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information about adding signals to a widget class.</P
 
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><P
 
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>If you don't think it is the case or if your patch is
 
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not applied you'll have to use the
 
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<TT
 
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CLASS="LITERAL"
 
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>gtk_object_class_user_signal_new</TT
 
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>
 
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function. <TT
 
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CLASS="LITERAL"
 
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>gtk_object_class_user_signal_new</TT
 
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> allows you
 
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to add a new signal to a predefined GTK+ widget without any
 
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modification of the GTK+ source code. The new signal can be
 
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emited with <TT
 
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CLASS="LITERAL"
 
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>gtk_signal_emit</TT
 
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> and can be
 
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handled in the same way as other signals.</P
 
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><P
 
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>Tim Janik posted this code snippet:</P
 
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><TABLE
 
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BORDER="0"
 
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BGCOLOR="#E0E0E0"
 
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WIDTH="100%"
 
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><TR
 
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><TD
 
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><PRE
 
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CLASS="PROGRAMLISTING"
 
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>static guint signal_user_action = 0;
 
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signal_user_action =
 
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  gtk_object_class_user_signal_new (gtk_type_class (GTK_TYPE_WIDGET),
 
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                    "user_action",
 
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                    GTK_RUN_LAST | GTK_RUN_ACTION,
 
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                    gtk_marshal_NONE__POINTER,
 
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                    GTK_TYPE_NONE, 1,
 
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                    GTK_TYPE_POINTER);
 
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void
 
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gtk_widget_user_action (GtkWidget *widget,
 
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                        gpointer   act_data)
 
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{
 
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  g_return_if_fail (GTK_IS_WIDGET (widget));
 
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  gtk_signal_emit (GTK_OBJECT (widget), signal_user_action, act_data);
 
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}</PRE
 
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></TD
 
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></TR
 
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></TABLE
 
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><P
 
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>If you want your new signal to have more than the
 
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classical gpointer parameter, you'll have to play with GTK+
 
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marshallers.</P
 
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></DIV
 
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><DIV
 
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CLASS="NAVFOOTER"
 
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><HR
 
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ALIGN="LEFT"
 
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WIDTH="100%"><TABLE
 
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SUMMARY="Footer navigation table"
 
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WIDTH="100%"
 
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BORDER="0"
 
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CELLPADDING="0"
 
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CELLSPACING="0"
 
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><TR
 
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><TD
 
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WIDTH="33%"
 
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ALIGN="left"
 
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VALIGN="top"
 
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><A
 
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HREF="x563.html"
 
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ACCESSKEY="P"
 
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>&#60;&#60;&#60; Previous</A
 
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></TD
 
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><TD
 
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WIDTH="34%"
 
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ALIGN="center"
 
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VALIGN="top"
 
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><A
 
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HREF="book1.html"
 
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ACCESSKEY="H"
 
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>Home</A
 
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></TD
 
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><TD
 
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WIDTH="33%"
 
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ALIGN="right"
 
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VALIGN="top"
 
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><A
 
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HREF="x581.html"
 
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ACCESSKEY="N"
 
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>Next &#62;&#62;&#62;</A
 
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></TD
 
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></TR
 
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><TR
 
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><TD
 
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WIDTH="33%"
 
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ALIGN="left"
 
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VALIGN="top"
 
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>I have my signal connected to the the (whatever) event,
 
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but it seems I don't catch it. What's wrong?</TD
 
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><TD
 
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WIDTH="34%"
 
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ALIGN="center"
 
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VALIGN="top"
 
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><A
 
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HREF="c466.html"
 
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ACCESSKEY="U"
 
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>Up</A
 
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></TD
 
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><TD
 
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WIDTH="33%"
 
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ALIGN="right"
 
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VALIGN="top"
 
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>Is it possible to get some text displayed which is
 
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truncated to fit inside its allocation?</TD
 
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></TR
 
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></TABLE
 
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></DIV
 
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></BODY
 
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></HTML
 
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>
 
 
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