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Expand GtkBuilder migration guide

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Matthias Clasen 2009-04-09 23:42:44 -04:00
parent af56f63561
commit 1f1db4f288
1 changed files with 66 additions and 13 deletions
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63
docs/reference/gtk/migrating-GtkBuilder.sgml
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@ -24,6 +24,57 @@
objects from a GtkBuilder file.
</para>
<para>
Alternatively, you can open the glade file with
<application>glade3</application> and then save it in GtkBuilder
format. This is supported by glade3 since version 3.6.
</para>
<table pgwide="1" frame="topbot">
<title>Step-by-step instructions for porting code from libglade to GtkBuilder</title>
<tgroup cols="2" colsep="0" rowsep="0">
<thead>
<row><entry>libglade</entry><entry>GtkBuilder</entry></row>
</thead>
<tbody>
<row>
<entry><![CDATA[#include <glade/glade.h>]]></entry>
<entry>not needed</entry>
</row>
<row>
<entry><screen>GladeXML*</screen></entry>
<entry><screen>GtkBuilder*</screen></entry>
</row>
<row>
<entry><screen>glade_xml_new (FILE, "first_widget", NULL)</screen></entry>
<entry>
<screen>
GError* error = NULL;
GtkBuilder* builder = gtk_builder_new (<!-- -->);
if (!gtk_builder_add_from_file (builder, FILE, &amp;error))
{
g_warning ("Couldn't load builder file: %s", error->message);
g_error_free (error);
}
</screen>
</entry>
</row>
<row>
<entry><screen>glade_xml_get_widget (gxml, “widget_name”)</screen></entry>
<entry><screen>GTK_WIDGET (gtk_builder_get_object (builder, “widget_name”))</screen></entry>
</row>
<row>
<entry><screen>glade_get_widget_name (widget)</screen></entry>
<entry><screen>gtk_widget_get_name (widget)</screen></entry>
</row>
<row>
<entry><screen>glade_xml_get_widget_prefix (gxml, “prefix”)</screen></entry>
<entry>can be emulated by <literal>gtk_builder_get_objects (builder)</literal> together with manual filtering. It returns a GSList* instead of a GList* though.</entry>
</row>
</tbody>
</tgroup>
</table>
<para>
While GtkBuilder strives to be a complete replacement for
libglade, there are a number of areas where it is currently
@ -41,12 +92,14 @@
glade format support works just fine for GtkBuilder files.
</para></listitem>
<listitem><para>
While libglade can often tolerate multiple widgets having the
same id in a glade file, GtkBuilder will not accept duplicate
object ids. Both <application>gtk-builder-convert</application>
and the GtkBuilder parser emit warnings when they see
duplicate ids.
</para></listitem>
</itemizedlist>
</para>
<para>
More details about migrating from libglade to GtkBuilder will
appear here over time...
</para>
</chapter>