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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html><head><meta http-equiv="Content-Type" content="text/html; charset=US-ASCII"><title>Migrating from GnomeAbout to GtkAboutDialog</title><meta name="generator" content="DocBook XSL Stylesheets V1.73.2"><link rel="start" href="index.html" title="GTK+ Reference Manual"><link rel="up" href="migrating.html" title="Part IV. Migrating from Previous Versions of GTK+"><link rel="prev" href="gtk-migrating-GtkIconView.html" title="Migrating from GnomeIconList to GtkIconView"><link rel="next" href="gtk-migrating-GtkColorButton.html" title="Migrating from GnomeColorPicker to GtkColorButton"><meta name="generator" content="GTK-Doc V1.9 (XML mode)"><link rel="stylesheet" href="style.css" type="text/css"><link rel="part" href="gtk.html" title="Part I. GTK+ Overview"><link rel="part" href="gtkbase.html" title="Part II. GTK+ Core Reference"><link rel="part" href="gtkobjects.html" title="Part III. GTK+ Widgets and Objects"><link 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href="gtk-migrating-GtkIconView.html"><img src="left.png" width="24" height="24" border="0" alt="Prev"></a></td><td><a accesskey="u" href="migrating.html"><img src="up.png" width="24" height="24" border="0" alt="Up"></a></td><td><a accesskey="h" href="index.html"><img src="home.png" width="24" height="24" border="0" alt="Home"></a></td><th width="100%" align="center">GTK+ Reference Manual</th><td><a accesskey="n" href="gtk-migrating-GtkColorButton.html"><img src="right.png" width="24" height="24" border="0" alt="Next"></a></td></tr></table><div class="chapter" lang="en"><div class="titlepage"><div><div><h2 class="title"><a name="gtk-migrating-GtkAboutDialog"></a>Migrating from GnomeAbout to GtkAboutDialog</h2></div></div></div><p> Since version 2.6, GTK+ provides the <a class="link" href="GtkAboutDialog.html" title="GtkAboutDialog"><span class="type">GtkAboutDialog</span></a> widget as a replacement for the <span class="structname">GnomeAbout</span> dialog in the libgnomeui library. </p><p> <a class="link" href="GtkAboutDialog.html" title="GtkAboutDialog"><span class="type">GtkAboutDialog</span></a> supports all features found in <span class="structname">GnomeAbout</span>. The <span class="structname">GtkAboutDialog</span> API is bigger, since it follows the GTK+ policy to have getters and setters for all widget properties, but it isn't much more complex than <span class="structname">GnomeAbout</span>. </p><p> To convert an application that uses <span class="structname">GnomeAbout</span> to <span class="structname">GtkAboutDialog</span>, as a first step, replace calls like </p><div class="informalexample"><pre class="programlisting"> const gchar *documentors[] = { "Documenter 1", "Documenter 2", NULL }; const gchar *documentors[] = { "Author 1", "Author 2", NULL }; GtkWidget *about = gnome_about_new ("GNOME Test Program", VERSION, "(C) 1998-2001 The Free Software Foundation", "Program to display GNOME functions.", authors, documenters, _("translator-credits"), "logo.png"); </pre></div><p> by something like </p><div class="informalexample"><pre class="programlisting"> GdkPixbuf *logo = gdk_pixbuf_new_from_file ("logo.png", NULL); GtkWidget *about = g_object_new (GTK_TYPE_ABOUT_DIALOG, "name", "GNOME Test Program", "version", VERSION, "copyright", "(C) 1998-2001 The Free Software Foundation", "comments", "Program to display GNOME functions.", "authors", authors, "documenters", documenters, "translator-credits", _("translator-credits"), "logo", logo, NULL); g_object_unref (pixbuf); </pre></div><p> If the <ahref="/usr/share/gtk-doc/html/gobject/gobject-The-Base-Object-Type.html#g-object-new"><code class="function">g_object_new()</code></a> construction scares you, you can also use <a class="link" href="GtkAboutDialog.html#gtk-about-dialog-new"><code class="function">gtk_about_dialog_new()</code></a> to construct the dialog and then use the setters for the individual properties. </p><p> Once you are done with the initial conversion, you may want to look into using some of the features of <span class="structname">GtkAboutDialog</span> which are not present in <span class="structname">GnomeAbout</span>. </p><div class="itemizedlist"><ul type="disc"><li><p> You can specify license information with the <a class="link" href="GtkAboutDialog.html#GtkAboutDialog--license"><span class="type">"license"</span></a> property </p></li><li><p> You can add separate credits for artists with the <a class="link" href="GtkAboutDialog.html#GtkAboutDialog--artists"><span class="type">"artists"</span></a> property </p></li><li><p> You can add a pointer to the website of your application, using the <a class="link" href="GtkAboutDialog.html#GtkAboutDialog--website"><span class="type">"website"</span></a> and <a class="link" href="GtkAboutDialog.html#GtkAboutDialog--website-label"><span class="type">"website-label"</span></a> properties. </p></li><li><p> If your credits contain email addresses or URLs, you can turn them into clickable links using <a class="link" href="GtkAboutDialog.html#gtk-about-dialog-set-email-hook"><code class="function">gtk_about_dialog_set_email_hook()</code></a> and <a class="link" href="GtkAboutDialog.html#gtk-about-dialog-set-url-hook"><code class="function">gtk_about_dialog_set_url_hook()</code></a>. </p></li></ul></div><p> </p></div></body></html>⌨️ 快捷键说明
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