forked from AuroraMiddleware/gtk
9b039be2d4
2004-11-04 Matthias Clasen <mclasen@redhat.com> * gtk/stock-icons/Makefile.am: Typo fix. * gtk/tmpl/gtkstock.sgml: Fix markup. * gtk/gtk-docs.sgml: * gtk/migrating-GtkAboutDialog.sgml: Add a first version of a GnomeAbout --> GtkAboutDialog migration chapter.
95 lines
3.6 KiB
Plaintext
95 lines
3.6 KiB
Plaintext
<chapter id="gtk-migrating-GtkAboutDialog">
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<title>Migrating from GnomeAbout to GtkAboutDialog</title>
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<para>
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Since version 2.6, GTK+ provides the <link linkend="GtkIconView">GtkAboutDialog</link>
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widget as a replacement for the GnomeAbout dialog in the libgnomeui library.
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views.
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</para>
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<para>
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<link linkend="GtkIconView">GtkAboutDialog</link> supports all features found in
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GnomeAbout. The GtkAboutDialog API is bigger, since it follows the GTK+ policy to
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have getters and setters for all widget properties, but it isn't much more complex
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than GnomeAbout.
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</para>
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<para>
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To convert an application that uses GnomeAbout to <link linkend="GtkIconView">GtkAboutDialog</link>,
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as a first step, replace calls like
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<informalexample><programlisting>
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const gchar *documentors[] = {
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"Documenter 1",
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"Documenter 2",
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NULL
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};
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const gchar *documentors[] = {
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"Author 1",
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"Author 2",
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NULL
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};
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GtkWidget *about = gnome_about_new ("GNOME Test Program", VERSION,
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"(C) 1998-2001 The Free Software Foundation",
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"Program to display GNOME functions.",
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authors,
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documenters,
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_("translator-credits"),
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"logo.png");
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</programlisting></informalexample>
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by something like
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<informalexample><programlisting>
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GdkPixbuf *logo = gdk_pixbuf_new_from_file ("logo.png", NULL);
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GtkWidget *about = g_object_new (GTK_TYPE_ABOUT_DIALOG,
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"name", "GNOME Test Program",
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"version", VERSION,
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"copyright", "(C) 1998-2001 The Free Software Foundation",
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"comments", "Program to display GNOME functions.",
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"authors", authors,
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"documenters", documenters,
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"translator-credits", _("translator-credits"),
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"logo", logo,
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NULL);
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g_object_unref (pixbuf);
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</programlisting></informalexample>
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If the <link linkend="g-object-new"><function>g_object_new()</function></link> construction scares you,
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you can also use <link linkend="g-object-new"><function>gtk_about_dialog_new()</function></link> to
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construct the dialog and then use the setters for the individual properties.
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</para>
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<para>
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Once you are done with the initial conversion, you may want to look into using some of the
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features of <link linkend="GtkIconView">GtkAboutDialog</link> which are not present in GnomeAbout.
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<itemizedlist>
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<listitem><para>
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You can specify license information
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with the <link linkend="GtkAboutDialog--license">license</link> property
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</para></listitem>
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<listitem><para>
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You can add separate credits for artists with the
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<link linkend="GtkAboutDialog--artists">artists</link> property
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</para></listitem>
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<listitem><para>
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You can add a pointer to the website of your application, using the
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<link linkend="GtkAboutDialog--website">website</link> and
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<link linkend="GtkAboutDialog--website-label">website-label</link> properties.
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</para></listitem>
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<listitem><para>
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If your credits contain email addresses or urls, you can turn them into clickable
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links using
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<link linkend="gtk-about-dialog-set-email-hook"><function>gtk_about_dialog_set_email_hook()</function></link> and
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<link linkend="gtk-about-dialog-set-url-hook"><function>gtk_about_dialog_set_url_hook()</function></link>.
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</para></listitem>
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</itemizedlist>
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</para>
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</chapter>
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<!--
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Local variables:
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mode: sgml
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sgml-parent-document: ("gtk-docs.sgml" "book" "part" "chapter")
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End:
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-->
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