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Add a question about changing fonts. (#114747)

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2003-06-19  Matthias Clasen  <maclas@gmx.de>

	* gtk/question_index.sgml: Add a question about changing fonts.
	(#114747)
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Matthias Clasen 2003-06-18 22:08:42 +00:00 committed by Matthias Clasen
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commit 247c311bd8
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5
docs/reference/ChangeLog
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@ -1,3 +1,8 @@
2003-06-19 Matthias Clasen <maclas@gmx.de>
* gtk/question_index.sgml: Add a question about changing fonts.
(#114747)
2003-06-17 Matthias Clasen <maclas@gmx.de>
* gdk-pixbuf/Makefile.am: Add rule to regenerate man pages from

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docs/reference/gtk/question_index.sgml
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@ -615,6 +615,48 @@ background of the event box.
</para></answer>
</qandaentry>
<qandaentry>
<question><para>
How do I change the font of a widget?
</para></question>
<answer><para>
This has several possible answers, depending on what exactly you want to
achieve. One option is <link
linkend="gtk-widget-modify-font">gtk_widget_modify_font()</link>. Note that this function can be used to change only the font size, as in the following example:
<programlisting>
PangoFontDesc *font_desc = pango_font_description_new ();
pango_font_description_set_size (font_desc, 40);
gtk_widget_modify_font (widget, font);
pango_font_description_free (font_desc);
</programlisting>
</para>
<para>
If you want to make the text of a label larger, you can use <link
linkend="gtk-label-set-markup">gtk_label_set_markup()</link>:
<programlisting>
gtk_label_set_markup (label, "&lt;big&gt;big text&lt;/big&gt;");
</programlisting>
This is preferred for many apps because it's a relative size to the
user's chosen font size. See <link
linkend="g-markup-escape-text">g_markup_escape_text()</link>
if you are constructing such strings on the fly.
</para>
<para>
You can also change the font of a widget by putting
<programlisting>
gtk-font-name = "Sans 30"
</programlisting>
in a resource file and parsing it with <link
linkend="gtk-rc-add-default-file">gtk_rc_add_default_file()</link>.
The advantage of a resource file is that users can then override the
font you've chosen. See
<link linkend="gtk-Resource-Files">GTK+ resource files</link> for more
discussion.
</para>
</answer>
</qandaentry>
<qandaentry>
<question><para>
How do I disable/ghost/desensitize a widget?