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<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.1.2//EN"
"http://www.oasis-open.org/docbook/xml/4.1.2/docbookx.dtd">
<refentry id="GimpUnitMenu">
<refmeta>
<refentrytitle id="top_of_page">GimpUnitMenu</refentrytitle>
<manvolnum>3</manvolnum>
<refmiscinfo>LIBGIMPWIDGETS Library</refmiscinfo>
</refmeta>
<refnamediv>
<refname>GimpUnitMenu</refname>
<refpurpose>Widget for selecting a <link linkend="GimpUnit"><type>GimpUnit</type></link>.</refpurpose>
<!--[<xref linkend="desc" endterm="desc.title"/>]-->
</refnamediv>
<refsynopsisdiv id="synopsis">
<title id="synopsis.title">Synopsis</title>
<synopsis>
<link linkend="GimpUnitMenu-struct">GimpUnitMenu</link>;
<link linkend="GtkWidget">GtkWidget</link>* <link linkend="gimp-unit-menu-new">gimp_unit_menu_new</link> (const <link linkend="gchar">gchar</link> *format,
<link linkend="GimpUnit">GimpUnit</link> unit,
<link linkend="gboolean">gboolean</link> show_pixels,
<link linkend="gboolean">gboolean</link> show_percent,
<link linkend="gboolean">gboolean</link> show_custom);
<link linkend="void">void</link> <link linkend="gimp-unit-menu-set-unit">gimp_unit_menu_set_unit</link> (<link linkend="GimpUnitMenu">GimpUnitMenu</link> *menu,
<link linkend="GimpUnit">GimpUnit</link> unit);
<link linkend="GimpUnit">GimpUnit</link> <link linkend="gimp-unit-menu-get-unit">gimp_unit_menu_get_unit</link> (<link linkend="GimpUnitMenu">GimpUnitMenu</link> *menu);
<link linkend="gint">gint</link> <link linkend="gimp-unit-menu-get-pixel-digits">gimp_unit_menu_get_pixel_digits</link> (<link linkend="GimpUnitMenu">GimpUnitMenu</link> *menu);
<link linkend="void">void</link> <link linkend="gimp-unit-menu-set-pixel-digits">gimp_unit_menu_set_pixel_digits</link> (<link linkend="GimpUnitMenu">GimpUnitMenu</link> *menu,
<link linkend="gint">gint</link> digits);
</synopsis>
</refsynopsisdiv>
<refsect1 id="object_hierarchy">
<title id="object_hierarchy.title">Object Hierarchy</title>
<synopsis>
<link linkend="GObject">GObject</link>
+----<link linkend="GInitiallyUnowned">GInitiallyUnowned</link>
+----<link linkend="GtkObject">GtkObject</link>
+----<link linkend="GtkWidget">GtkWidget</link>
+----<link linkend="GtkContainer">GtkContainer</link>
+----<link linkend="GtkBin">GtkBin</link>
+----<link linkend="GtkButton">GtkButton</link>
+----<link linkend="GtkOptionMenu">GtkOptionMenu</link>
+----GimpUnitMenu
</synopsis>
</refsect1>
<refsect1 id="impl_interfaces">
<title id="impl_interfaces.title">Implemented Interfaces</title>
<para>
GimpUnitMenu implements
<link linkend="AtkImplementorIface">AtkImplementorIface</link>.</para>
</refsect1>
<refsect1 id="signal_proto">
<title id="signal_proto.title">Signals</title>
<synopsis>
"<link linkend="GimpUnitMenu-unit-changed">unit-changed</link>"
<link linkend="void">void</link> user_function (<link linkend="GimpUnitMenu">GimpUnitMenu</link> *arg0,
<link linkend="gpointer">gpointer</link> user_data) : Run first
</synopsis>
</refsect1>
<refsect1 id="desc">
<title id="desc.title">Description</title>
<para>
This widget provides a <link linkend="GtkOptionMenu"><type>GtkOptionMenu</type></link> which contains a list of <link linkend="GimpUnit"><type>GimpUnit</type></link>'s.
</para>
<para>
You can specify the string that will be displayed for each unit by
passing a printf-like <parameter>format</parameter> string to <link linkend="gimp-unit-menu-new"><function>gimp_unit_menu_new()</function></link>.
</para>
<para>
The constructor also lets you choose if the menu should contain items
for GIMP_UNIT_PIXEL, GIMP_UNIT_PERCENT and a "More..." item which will
pop up a dialog for selecting user-defined units.
</para>
<para>
Whenever the user selects a unit from the menu or the dialog, the
"unit_changed" signal will be emitted.
</para>
</refsect1>
<refsect1 id="details">
<title id="details.title">Details</title>
<refsect2>
<title><anchor id="GimpUnitMenu-struct" role="struct"/>GimpUnitMenu</title>
<indexterm><primary>GimpUnitMenu</primary></indexterm><programlisting>typedef struct _GimpUnitMenu GimpUnitMenu;</programlisting>
<para>
</para></refsect2>
<refsect2>
<title><anchor id="gimp-unit-menu-new" role="function"/>gimp_unit_menu_new ()</title>
<indexterm><primary>gimp_unit_menu_new</primary></indexterm><programlisting><link linkend="GtkWidget">GtkWidget</link>* gimp_unit_menu_new (const <link linkend="gchar">gchar</link> *format,
<link linkend="GimpUnit">GimpUnit</link> unit,
<link linkend="gboolean">gboolean</link> show_pixels,
<link linkend="gboolean">gboolean</link> show_percent,
<link linkend="gboolean">gboolean</link> show_custom);</programlisting>
<para>
Creates a new <link linkend="GimpUnitMenu"><type>GimpUnitMenu</type></link> widget.
</para>
<para>
The <parameter>format</parameter> string supports the following percent expansions:
</para>
<para>
<informaltable pgwide="1" frame="none" role="enum">
<tgroup cols="2"><colspec colwidth="1*"/><colspec colwidth="8*"/>
<tbody>
<row>
<entry>% f</entry>
<entry>Factor (how many units make up an inch)</entry>
</row>
<row>
<entry>% y</entry>
<entry>Symbol (e.g. "''" for GIMP_UNIT_INCH)</entry>
</row>
<row>
<entry>% a</entry>
<entry>Abbreviation</entry>
</row>
<row>
<entry>% s</entry>
<entry>Singular</entry>
</row>
<row>
<entry>% p</entry>
<entry>Plural</entry>
</row>
<row>
<entry>%%</entry>
<entry>Literal percent</entry>
</row>
</tbody>
</tgroup>
</informaltable></para>
<para>
</para><variablelist role="params">
<varlistentry><term><parameter>format</parameter> :</term>
<listitem><simpara> A printf-like format string which is used to create the unit
strings.
</simpara></listitem></varlistentry>
<varlistentry><term><parameter>unit</parameter> :</term>
<listitem><simpara> The initially selected unit.
</simpara></listitem></varlistentry>
<varlistentry><term><parameter>show_pixels</parameter> :</term>
<listitem><simpara> <link linkend="TRUE:CAPS"><literal>TRUE</literal></link> if the unit menu should contain an item for
GIMP_UNIT_PIXEL.
</simpara></listitem></varlistentry>
<varlistentry><term><parameter>show_percent</parameter> :</term>
<listitem><simpara> <link linkend="TRUE:CAPS"><literal>TRUE</literal></link> in the unit menu should contain an item for
GIMP_UNIT_PERCENT.
</simpara></listitem></varlistentry>
<varlistentry><term><parameter>show_custom</parameter> :</term>
<listitem><simpara> <link linkend="TRUE:CAPS"><literal>TRUE</literal></link> if the unit menu should contain a "More..." item for
opening the user-defined-unit selection dialog.
</simpara></listitem></varlistentry>
<varlistentry><term><emphasis>Returns</emphasis> :</term><listitem><simpara> A pointer to the new <link linkend="GimpUnitMenu"><type>GimpUnitMenu</type></link> widget.
</simpara></listitem></varlistentry>
</variablelist></refsect2>
<refsect2>
<title><anchor id="gimp-unit-menu-set-unit" role="function"/>gimp_unit_menu_set_unit ()</title>
<indexterm><primary>gimp_unit_menu_set_unit</primary></indexterm><programlisting><link linkend="void">void</link> gimp_unit_menu_set_unit (<link linkend="GimpUnitMenu">GimpUnitMenu</link> *menu,
<link linkend="GimpUnit">GimpUnit</link> unit);</programlisting>
<para>
Sets a new <link linkend="GimpUnit"><type>GimpUnit</type></link> for the specified <link linkend="GimpUnitMenu"><type>GimpUnitMenu</type></link>.</para>
<para>
</para><variablelist role="params">
<varlistentry><term><parameter>menu</parameter> :</term>
<listitem><simpara> The unit menu you want to set the unit for.
</simpara></listitem></varlistentry>
<varlistentry><term><parameter>unit</parameter> :</term>
<listitem><simpara> The new unit.
</simpara></listitem></varlistentry>
</variablelist></refsect2>
<refsect2>
<title><anchor id="gimp-unit-menu-get-unit" role="function"/>gimp_unit_menu_get_unit ()</title>
<indexterm><primary>gimp_unit_menu_get_unit</primary></indexterm><programlisting><link linkend="GimpUnit">GimpUnit</link> gimp_unit_menu_get_unit (<link linkend="GimpUnitMenu">GimpUnitMenu</link> *menu);</programlisting>
<para>
Returns the <link linkend="GimpUnit"><type>GimpUnit</type></link> the user has selected from the <link linkend="GimpUnitMenu"><type>GimpUnitMenu</type></link>.</para>
<para>
</para><variablelist role="params">
<varlistentry><term><parameter>menu</parameter> :</term>
<listitem><simpara> The unit menu you want to know the unit of.
</simpara></listitem></varlistentry>
<varlistentry><term><emphasis>Returns</emphasis> :</term><listitem><simpara> The unit the user has selected.
</simpara></listitem></varlistentry>
</variablelist></refsect2>
<refsect2>
<title><anchor id="gimp-unit-menu-get-pixel-digits" role="function"/>gimp_unit_menu_get_pixel_digits ()</title>
<indexterm><primary>gimp_unit_menu_get_pixel_digits</primary></indexterm><programlisting><link linkend="gint">gint</link> gimp_unit_menu_get_pixel_digits (<link linkend="GimpUnitMenu">GimpUnitMenu</link> *menu);</programlisting>
<para>
Retrieve the number of digits for a pixel size as set by
<link linkend="gimp-unit-set-pixel-digits"><function>gimp_unit_set_pixel_digits()</function></link>.</para>
<para>
</para><variablelist role="params">
<varlistentry><term><parameter>menu</parameter> :</term>
<listitem><simpara> a <link linkend="GimpUnitMenu"><type>GimpUnitMenu</type></link>
</simpara></listitem></varlistentry>
<varlistentry><term><emphasis>Returns</emphasis> :</term><listitem><simpara> the configured number of digits for a pixel size
</simpara></listitem></varlistentry>
</variablelist></refsect2>
<refsect2>
<title><anchor id="gimp-unit-menu-set-pixel-digits" role="function"/>gimp_unit_menu_set_pixel_digits ()</title>
<indexterm><primary>gimp_unit_menu_set_pixel_digits</primary></indexterm><programlisting><link linkend="void">void</link> gimp_unit_menu_set_pixel_digits (<link linkend="GimpUnitMenu">GimpUnitMenu</link> *menu,
<link linkend="gint">gint</link> digits);</programlisting>
<para>
A GimpUnitMenu can be setup to control the number of digits shown
by attached spinbuttons. Please refer to the documentation of
<link linkend="gimp-unit-menu-update"><function>gimp_unit_menu_update()</function></link> to see how this is done.
</para>
<para>
This function allows to specify the number of digits shown for a
size in pixels. Usually this is 0 (only full pixels). If you want
to allow the user to specify sub-pixel sizes using the attached
spinbuttons, specify the number of digits after the decimal point
here. You should do this after attaching your spinbuttons.</para>
<para>
</para><variablelist role="params">
<varlistentry><term><parameter>menu</parameter> :</term>
<listitem><simpara> a <link linkend="GimpUnitMenu"><type>GimpUnitMenu</type></link>
</simpara></listitem></varlistentry>
<varlistentry><term><parameter>digits</parameter> :</term>
<listitem><simpara> the number of digits to display for a pixel size
</simpara></listitem></varlistentry>
</variablelist></refsect2>
</refsect1>
<refsect1 id="signals">
<title id="signals.title">Signal Details</title>
<refsect2><title><anchor id="GimpUnitMenu-unit-changed"/>The "unit-changed" signal</title>
<indexterm><primary>GimpUnitMenu::unit-changed</primary></indexterm><programlisting><link linkend="void">void</link> user_function (<link linkend="GimpUnitMenu">GimpUnitMenu</link> *arg0,
<link linkend="gpointer">gpointer</link> user_data) : Run first</programlisting>
<para>
This signal is emitted whenever the user selects a <link linkend="GimpUnit"><type>GimpUnit</type></link> from
the <link linkend="GimpUnitMenu"><type>GimpUnitMenu</type></link>.</para>
<para>
</para><variablelist role="params">
<varlistentry><term><parameter>user_data</parameter> :</term>
<listitem><simpara>user data set when the signal handler was connected.</simpara></listitem></varlistentry>
</variablelist></refsect2>
</refsect1>
<refsect1>
<title>See Also</title>
<para>
<link linkend="GimpUnit"><type>GimpUnit</type></link>
</para>
<para>
<link linkend="GimpSizeEntry"><type>GimpSizeEntry</type></link>
</para>
<para>
<link linkend="gimp-coordinates-new"><function>gimp_coordinates_new()</function></link>
</para>
</refsect1>
</refentry>
|
