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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="GimpColorButton">
<refmeta>
<refentrytitle id="top_of_page">GimpColorButton</refentrytitle>
<manvolnum>3</manvolnum>
<refmiscinfo>LIBGIMPWIDGETS Library</refmiscinfo>
</refmeta>
<refnamediv>
<refname>GimpColorButton</refname>
<refpurpose>Widget for selecting a color from a simple button.</refpurpose>
<!--[<xref linkend="desc" endterm="desc.title"/>]-->
</refnamediv>
<refsynopsisdiv id="synopsis">
<title id="synopsis.title">Synopsis</title>
<synopsis>
<link linkend="GimpColorButton-struct">GimpColorButton</link>;
<link linkend="GtkWidget">GtkWidget</link>* <link linkend="gimp-color-button-new">gimp_color_button_new</link> (const <link linkend="gchar">gchar</link> *title,
<link linkend="gint">gint</link> width,
<link linkend="gint">gint</link> height,
const <link linkend="GimpRGB">GimpRGB</link> *color,
<link linkend="GimpColorAreaType">GimpColorAreaType</link> type);
<link linkend="void">void</link> <link linkend="gimp-color-button-set-color">gimp_color_button_set_color</link> (<link linkend="GimpColorButton">GimpColorButton</link> *button,
const <link linkend="GimpRGB">GimpRGB</link> *color);
<link linkend="void">void</link> <link linkend="gimp-color-button-get-color">gimp_color_button_get_color</link> (<link linkend="GimpColorButton">GimpColorButton</link> *button,
<link linkend="GimpRGB">GimpRGB</link> *color);
<link linkend="void">void</link> <link linkend="gimp-color-button-set-update">gimp_color_button_set_update</link> (<link linkend="GimpColorButton">GimpColorButton</link> *button,
<link linkend="gboolean">gboolean</link> continuous);
<link linkend="gboolean">gboolean</link> <link linkend="gimp-color-button-get-update">gimp_color_button_get_update</link> (<link linkend="GimpColorButton">GimpColorButton</link> *button);
<link linkend="gboolean">gboolean</link> <link linkend="gimp-color-button-has-alpha">gimp_color_button_has_alpha</link> (<link linkend="GimpColorButton">GimpColorButton</link> *button);
<link linkend="void">void</link> <link linkend="gimp-color-button-set-type">gimp_color_button_set_type</link> (<link linkend="GimpColorButton">GimpColorButton</link> *button,
<link linkend="GimpColorAreaType">GimpColorAreaType</link> type);
</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="GimpButton">GimpButton</link>
+----GimpColorButton
</synopsis>
</refsect1>
<refsect1 id="impl_interfaces">
<title id="impl_interfaces.title">Implemented Interfaces</title>
<para>
GimpColorButton implements
<link linkend="AtkImplementorIface">AtkImplementorIface</link>.</para>
</refsect1>
<refsect1 id="signal_proto">
<title id="signal_proto.title">Signals</title>
<synopsis>
"<link linkend="GimpColorButton-color-changed">color-changed</link>"
<link linkend="void">void</link> user_function (<link linkend="GimpColorButton">GimpColorButton</link> *gimpcolorbutton,
<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 simple button with a preview showing the
color.
</para>
<para>
On click a GtkColorSelectionDialog is opened. Additionally the button
supports Drag and Drop and has a right-click menu that allows to choose
the color from the current FG or BG color. If the user changes the
color, the "color_changed" signal is emitted.
</para>
</refsect1>
<refsect1 id="details">
<title id="details.title">Details</title>
<refsect2>
<title><anchor id="GimpColorButton-struct" role="struct"/>GimpColorButton</title>
<indexterm><primary>GimpColorButton</primary></indexterm><programlisting>typedef struct _GimpColorButton GimpColorButton;</programlisting>
<para>
</para></refsect2>
<refsect2>
<title><anchor id="gimp-color-button-new" role="function"/>gimp_color_button_new ()</title>
<indexterm><primary>gimp_color_button_new</primary></indexterm><programlisting><link linkend="GtkWidget">GtkWidget</link>* gimp_color_button_new (const <link linkend="gchar">gchar</link> *title,
<link linkend="gint">gint</link> width,
<link linkend="gint">gint</link> height,
const <link linkend="GimpRGB">GimpRGB</link> *color,
<link linkend="GimpColorAreaType">GimpColorAreaType</link> type);</programlisting>
<para>
Creates a new <link linkend="GimpColorButton"><type>GimpColorButton</type></link> widget.
</para>
<para>
This returns a button with a preview showing the color.
When the button is clicked a GtkColorSelectionDialog is opened.
If the user changes the color the new color is written into the
array that was used to pass the initial color and the "color_changed"
signal is emitted.</para>
<para>
</para><variablelist role="params">
<varlistentry><term><parameter>title</parameter> :</term>
<listitem><simpara> String that will be used as title for the color_selector.
</simpara></listitem></varlistentry>
<varlistentry><term><parameter>width</parameter> :</term>
<listitem><simpara> Width of the colorpreview in pixels.
</simpara></listitem></varlistentry>
<varlistentry><term><parameter>height</parameter> :</term>
<listitem><simpara> Height of the colorpreview in pixels.
</simpara></listitem></varlistentry>
<varlistentry><term><parameter>color</parameter> :</term>
<listitem><simpara> A pointer to a <link linkend="GimpRGB"><type>GimpRGB</type></link> color.
</simpara></listitem></varlistentry>
<varlistentry><term><parameter>type</parameter> :</term>
<listitem><simpara>
</simpara></listitem></varlistentry>
<varlistentry><term><emphasis>Returns</emphasis> :</term><listitem><simpara> Pointer to the new <link linkend="GimpColorButton"><type>GimpColorButton</type></link> widget.
</simpara></listitem></varlistentry>
</variablelist></refsect2>
<refsect2>
<title><anchor id="gimp-color-button-set-color" role="function"/>gimp_color_button_set_color ()</title>
<indexterm><primary>gimp_color_button_set_color</primary></indexterm><programlisting><link linkend="void">void</link> gimp_color_button_set_color (<link linkend="GimpColorButton">GimpColorButton</link> *button,
const <link linkend="GimpRGB">GimpRGB</link> *color);</programlisting>
<para>
Sets the <parameter>button</parameter> to the given <parameter>color</parameter>.</para>
<para>
</para><variablelist role="params">
<varlistentry><term><parameter>button</parameter> :</term>
<listitem><simpara> Pointer to a <link linkend="GimpColorButton"><type>GimpColorButton</type></link>.
</simpara></listitem></varlistentry>
<varlistentry><term><parameter>color</parameter> :</term>
<listitem><simpara> Pointer to the new <link linkend="GimpRGB"><type>GimpRGB</type></link> color.
</simpara></listitem></varlistentry>
</variablelist></refsect2>
<refsect2>
<title><anchor id="gimp-color-button-get-color" role="function"/>gimp_color_button_get_color ()</title>
<indexterm><primary>gimp_color_button_get_color</primary></indexterm><programlisting><link linkend="void">void</link> gimp_color_button_get_color (<link linkend="GimpColorButton">GimpColorButton</link> *button,
<link linkend="GimpRGB">GimpRGB</link> *color);</programlisting>
<para>
Retrieves the currently set color from the <parameter>button</parameter>.</para>
<para>
</para><variablelist role="params">
<varlistentry><term><parameter>button</parameter> :</term>
<listitem><simpara> Pointer to a <link linkend="GimpColorButton"><type>GimpColorButton</type></link>.
</simpara></listitem></varlistentry>
<varlistentry><term><parameter>color</parameter> :</term>
<listitem><simpara> Pointer to a <link linkend="GimpRGB"><type>GimpRGB</type></link> struct used to return the color.
</simpara></listitem></varlistentry>
</variablelist></refsect2>
<refsect2>
<title><anchor id="gimp-color-button-set-update" role="function"/>gimp_color_button_set_update ()</title>
<indexterm><primary>gimp_color_button_set_update</primary></indexterm><programlisting><link linkend="void">void</link> gimp_color_button_set_update (<link linkend="GimpColorButton">GimpColorButton</link> *button,
<link linkend="gboolean">gboolean</link> continuous);</programlisting>
<para>
When set to <link linkend="TRUE:CAPS"><type>TRUE</type></link>, the <parameter>button</parameter> will emit the "color_changed"
continuously while the color is changed in the color selection
dialog.</para>
<para>
</para><variablelist role="params">
<varlistentry><term><parameter>button</parameter> :</term>
<listitem><simpara> A <link linkend="GimpColorButton"><type>GimpColorButton</type></link> widget.
</simpara></listitem></varlistentry>
<varlistentry><term><parameter>continuous</parameter> :</term>
<listitem><simpara> The new setting of the <parameter>continuous_update</parameter> property.
</simpara></listitem></varlistentry>
</variablelist></refsect2>
<refsect2>
<title><anchor id="gimp-color-button-get-update" role="function"/>gimp_color_button_get_update ()</title>
<indexterm><primary>gimp_color_button_get_update</primary></indexterm><programlisting><link linkend="gboolean">gboolean</link> gimp_color_button_get_update (<link linkend="GimpColorButton">GimpColorButton</link> *button);</programlisting>
<para>
Returns the color button's <parameter>continuous_update</parameter> property.</para>
<para>
</para><variablelist role="params">
<varlistentry><term><parameter>button</parameter> :</term>
<listitem><simpara> A <link linkend="GimpColorButton"><type>GimpColorButton</type></link> widget.
</simpara></listitem></varlistentry>
<varlistentry><term><emphasis>Returns</emphasis> :</term><listitem><simpara> the <parameter>continuous_update</parameter> property.
</simpara></listitem></varlistentry>
</variablelist></refsect2>
<refsect2>
<title><anchor id="gimp-color-button-has-alpha" role="function"/>gimp_color_button_has_alpha ()</title>
<indexterm><primary>gimp_color_button_has_alpha</primary></indexterm><programlisting><link linkend="gboolean">gboolean</link> gimp_color_button_has_alpha (<link linkend="GimpColorButton">GimpColorButton</link> *button);</programlisting>
<para>
Checks whether the <parameter>buttons</parameter> shows transparency information.</para>
<para>
</para><variablelist role="params">
<varlistentry><term><parameter>button</parameter> :</term>
<listitem><simpara> Pointer to a <link linkend="GimpColorButton"><type>GimpColorButton</type></link>.
</simpara></listitem></varlistentry>
<varlistentry><term><emphasis>Returns</emphasis> :</term><listitem><simpara> <link linkend="TRUE:CAPS"><literal>TRUE</literal></link> if the <parameter>button</parameter> shows transparency information, <link linkend="FALSE:CAPS"><literal>FALSE</literal></link>
otherwise.
</simpara></listitem></varlistentry>
</variablelist></refsect2>
<refsect2>
<title><anchor id="gimp-color-button-set-type" role="function"/>gimp_color_button_set_type ()</title>
<indexterm><primary>gimp_color_button_set_type</primary></indexterm><programlisting><link linkend="void">void</link> gimp_color_button_set_type (<link linkend="GimpColorButton">GimpColorButton</link> *button,
<link linkend="GimpColorAreaType">GimpColorAreaType</link> type);</programlisting>
<para>
Sets the <parameter>button</parameter> to the given <parameter>type</parameter>. See also <link linkend="gimp-color-area-set-type"><function>gimp_color_area_set_type()</function></link>.</para>
<para>
</para><variablelist role="params">
<varlistentry><term><parameter>button</parameter> :</term>
<listitem><simpara> Pointer to a <link linkend="GimpColorButton"><type>GimpColorButton</type></link>.
</simpara></listitem></varlistentry>
<varlistentry><term><parameter>type</parameter> :</term>
<listitem><simpara> the new <link linkend="GimpColorAreaType"><type>GimpColorAreaType</type></link>
</simpara></listitem></varlistentry>
</variablelist></refsect2>
</refsect1>
<refsect1 id="signals">
<title id="signals.title">Signal Details</title>
<refsect2><title><anchor id="GimpColorButton-color-changed"/>The "color-changed" signal</title>
<indexterm><primary>GimpColorButton::color-changed</primary></indexterm><programlisting><link linkend="void">void</link> user_function (<link linkend="GimpColorButton">GimpColorButton</link> *gimpcolorbutton,
<link linkend="gpointer">gpointer</link> user_data) : Run first</programlisting>
<para>
</para><variablelist role="params">
<varlistentry><term><parameter>gimpcolorbutton</parameter> :</term>
<listitem><simpara>the object which received the signal.
</simpara></listitem></varlistentry>
<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="libgimpcolor-gimpcolorspace"><type>libgimpcolor-gimpcolorspace</type></link>
</para>
</refsect1>
</refentry>
|
