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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html><head><meta http-equiv="Content-Type" content="text/html; charset=US-ASCII"><title>GtkScaleButton</title><meta name="generator" content="DocBook XSL Stylesheets V1.73.2"><link rel="start" href="index.html" title="GTK+ Reference Manual"><link rel="up" href="ButtonWidgets.html" title="Buttons and Toggles"><link rel="prev" href="GtkLinkButton.html" title="GtkLinkButton"><link rel="next" href="GtkVolumeButton.html" title="GtkVolumeButton"><meta name="generator" content="GTK-Doc V1.9 (XML mode)"><link rel="stylesheet" href="style.css" type="text/css"><link rel="part" href="gtk.html" title="Part I. GTK+ Overview"><link rel="part" href="gtkbase.html" title="Part II. GTK+ Core Reference"><link rel="part" href="gtkobjects.html" title="Part III. GTK+ Widgets and Objects"><link rel="chapter" href="ch01.html" title="Object Hierarchy"><link rel="chapter" href="ch02.html" title="Widget Gallery"><link rel="chapter" 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height="24" border="0" alt="Up"></a></td><td><a accesskey="h" href="index.html"><img src="home.png" width="24" height="24" border="0" alt="Home"></a></td><th width="100%" align="center">GTK+ Reference Manual</th><td><a accesskey="n" href="GtkVolumeButton.html"><img src="right.png" width="24" height="24" border="0" alt="Next"></a></td></tr><tr><td colspan="5" class="shortcuts"><nobr><a href="#id3513569" class="shortcut">Top</a>  |  <a href="#id3514028" class="shortcut">Description</a>  |  <a href="#id3513785" class="shortcut">Object Hierarchy</a>  |  <a href="#id3513862" class="shortcut">Implemented Interfaces</a>  |  <a href="#id3513892" class="shortcut">Properties</a>  |  <a href="#id3513978" class="shortcut">Signals</a></nobr></td></tr></table><div class="refentry" lang="en"><a name="GtkScaleButton"></a><div class="titlepage"></div><div class="refnamediv"><table width="100%"><tr><td valign="top"><h2><a name="id3513569"></a><span class="refentrytitle">GtkScaleButton</span></h2><p>GtkScaleButton — A button which pops up a scale</p></td><td valign="top" align="right"></td></tr></table></div><div class="refsynopsisdiv"><h2>Synopsis</h2><pre class="synopsis">#include <gtk/gtk.h> <a class="link" href="GtkScaleButton.html#GtkScaleButton-struct">GtkScaleButton</a>;<a class="link" href="GtkWidget.html" title="GtkWidget">GtkWidget</a>* <a class="link" href="GtkScaleButton.html#gtk-scale-button-new">gtk_scale_button_new</a> (<a class="link" href="gtk-Themeable-Stock-Images.html#GtkIconSize">GtkIconSize</a> size, <ahref="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble">gdouble</a> min, <ahref="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble">gdouble</a> max, <ahref="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble">gdouble</a> step, const <ahref="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gchar">gchar</a> **icons);void <a class="link" href="GtkScaleButton.html#gtk-scale-button-set-adjustment">gtk_scale_button_set_adjustment</a> (<a class="link" href="GtkScaleButton.html" title="GtkScaleButton">GtkScaleButton</a> *button, <a class="link" href="GtkAdjustment.html" title="GtkAdjustment">GtkAdjustment</a> *adjustment);void <a class="link" href="GtkScaleButton.html#gtk-scale-button-set-icons">gtk_scale_button_set_icons</a> (<a class="link" href="GtkScaleButton.html" title="GtkScaleButton">GtkScaleButton</a> *button, const <ahref="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gchar">gchar</a> **icons);void <a class="link" href="GtkScaleButton.html#gtk-scale-button-set-value">gtk_scale_button_set_value</a> (<a class="link" href="GtkScaleButton.html" title="GtkScaleButton">GtkScaleButton</a> *button, <ahref="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble">gdouble</a> value);<a class="link" href="GtkAdjustment.html" title="GtkAdjustment">GtkAdjustment</a>* <a class="link" href="GtkScaleButton.html#gtk-scale-button-get-adjustment">gtk_scale_button_get_adjustment</a> (<a class="link" href="GtkScaleButton.html" title="GtkScaleButton">GtkScaleButton</a> *button);<ahref="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble">gdouble</a> <a class="link" href="GtkScaleButton.html#gtk-scale-button-get-value">gtk_scale_button_get_value</a> (<a class="link" href="GtkScaleButton.html" title="GtkScaleButton">GtkScaleButton</a> *button);</pre></div><div class="refsect1" lang="en"><a name="id3513785"></a><h2>Object Hierarchy</h2><pre class="synopsis"> <ahref="/usr/share/gtk-doc/html/gobject/gobject-The-Base-Object-Type.html#GObject">GObject</a> +----<ahref="/usr/share/gtk-doc/html/gobject/gobject-The-Base-Object-Type.html#GInitiallyUnowned">GInitiallyUnowned</a> +----<a class="link" href="GtkObject.html" title="GtkObject">GtkObject</a> +----<a class="link" href="GtkWidget.html" title="GtkWidget">GtkWidget</a> +----<a class="link" href="GtkContainer.html" title="GtkContainer">GtkContainer</a> +----<a class="link" href="GtkBin.html" title="GtkBin">GtkBin</a> +----<a class="link" href="GtkButton.html" title="GtkButton">GtkButton</a> +----GtkScaleButton +----<a class="link" href="GtkVolumeButton.html" title="GtkVolumeButton">GtkVolumeButton</a></pre></div><div class="refsect1" lang="en"><a name="id3513862"></a><h2>Implemented Interfaces</h2><p>GtkScaleButton implements AtkImplementorIface and <a class="link" href="gtk-gtkbuildable.html#GtkBuildable">GtkBuildable</a>.</p></div><div class="refsect1" lang="en"><a name="id3513892"></a><h2>Properties</h2><pre class="synopsis"> "<a class="link" href="GtkScaleButton.html#GtkScaleButton--adjustment">adjustment</a>" <a class="link" href="GtkAdjustment.html" title="GtkAdjustment">GtkAdjustment</a> : Read / Write "<a class="link" href="GtkScaleButton.html#GtkScaleButton--icons">icons</a>" <ahref="/usr/share/gtk-doc/html/gobject/gobject-Boxed-Types.html#GStrv">GStrv</a> : Read / Write "<a class="link" href="GtkScaleButton.html#GtkScaleButton--size">size</a>" <a class="link" href="gtk-Themeable-Stock-Images.html#GtkIconSize">GtkIconSize</a> : Read / Write "<a class="link" href="GtkScaleButton.html#GtkScaleButton--value">value</a>" <ahref="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble">gdouble</a> : Read / Write</pre></div><div class="refsect1" lang="en"><a name="id3513978"></a><h2>Signals</h2><pre class="synopsis"> "<a class="link" href="GtkScaleButton.html#GtkScaleButton-popdown">popdown</a>" : Run Last / Action "<a class="link" href="GtkScaleButton.html#GtkScaleButton-popup">popup</a>" : Run Last / Action "<a class="link" href="GtkScaleButton.html#GtkScaleButton-value-changed">value-changed</a>" : Run Last</pre></div><div class="refsect1" lang="en"><a name="id3514028"></a><h2>Description</h2><p><a class="link" href="GtkScaleButton.html" title="GtkScaleButton"><span class="type">GtkScaleButton</span></a> provides a button which pops up a scale widget. This kind of widget is commonly used for volume controls in multimediaapplications, and GTK+ provides a <a class="link" href="GtkVolumeButton.html" title="GtkVolumeButton"><span class="type">GtkVolumeButton</span></a> subclass thatis tailored for this use case.</p></div><div class="refsect1" lang="en"><a name="id3514062"></a><h2>Details</h2><div class="refsect2" lang="en"><a name="id3514073"></a><h3><a name="GtkScaleButton-struct"></a>GtkScaleButton</h3><a class="indexterm" name="id3514085"></a><pre class="programlisting">typedef struct _GtkScaleButton GtkScaleButton;</pre><p></p></div><hr><div class="refsect2" lang="en"><a name="id3514101"></a><h3><a name="gtk-scale-button-new"></a>gtk_scale_button_new ()</h3><a class="indexterm" name="id3514116"></a><pre class="programlisting"><a class="link" href="GtkWidget.html" title="GtkWidget">GtkWidget</a>* gtk_scale_button_new (<a class="link" href="gtk-Themeable-Stock-Images.html#GtkIconSize">GtkIconSize</a> size, <ahref="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble">gdouble</a> min, <ahref="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble">gdouble</a> max, <ahref="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble">gdouble</a> step, const <ahref="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gchar">gchar</a> **icons);</pre><p>Creates a <a class="link" href="GtkScaleButton.html" title="GtkScaleButton"><span class="type">GtkScaleButton</span></a>, with a range between <em class="parameter"><code>min</code></em> and <em class="parameter"><code>max</code></em>, witha stepping of <em class="parameter"><code>step</code></em>.</p><p></p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><p><span class="term"><em class="parameter"><code>size</code></em> :</span></p></td><td> a stock icon size</td></tr><tr><td><p><span class="term"><em class="parameter"><code>min</code></em> :</span></p></td><td> the minimum value of the scale (usually 0)</td></tr><tr><td><p><span class="term"><em class="parameter"><code>max</code></em> :</span></p></td><td> the maximum value of the scale (usually 100)</td></tr><tr><td><p><span class="term"><em class="parameter"><code>step</code></em> :</span></p></td><td> the stepping of value when a scroll-wheel event, or up/down arrow event occurs (usually 2)</td></tr><tr><td><p><span class="term"><em class="parameter"><code>icons</code></em> :</span></p></td><td> a <ahref="/usr/share/gtk-doc/html/liboil/liboil-liboiljunk.html#NULL:CAPS"><code class="literal">NULL</code></a>-terminated array of icon names, or <ahref="/usr/share/gtk-doc/html/liboil/liboil-liboiljunk.html#NULL:CAPS"><code class="literal">NULL</code></a> if you want to set the list later with <a class="link" href="GtkScaleButton.html#gtk-scale-button-set-icons"><code class="function">gtk_scale_button_set_icons()</code></a></td></tr><tr><td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td><td> a new <a class="link" href="GtkScaleButton.html" title="GtkScaleButton"><span class="type">GtkScaleButton</span></a></td></tr></tbody></table></div><p class="since">Since 2.12</p></div><hr><div class="refsect2" lang="en"><a name="id3514340"></a><h3><a name="gtk-scale-button-set-adjustment"></a>gtk_scale_button_set_adjustment ()</h3><a class="indexterm" name="id3514355"></a><pre class="programlisting">void gtk_scale_button_set_adjustment (<a class="link" href="GtkScaleButton.html" title="GtkScaleButton">GtkScaleButton</a> *button, <a class="link" href="GtkAdjustment.html" title="GtkAdjustment">GtkAdjustment</a> *adjustment);</pre><p>Sets the <a class="link" href="GtkAdjustment.html" title="GtkAdjustment"><span class="type">GtkAdjustment</span></a> to be used as a model for the <a class="link" href="GtkScaleButton.html" title="GtkScaleButton"><span class="type">GtkScaleButton</span></a>'s scale.See <a class="link" href="GtkRange.html#gtk-range-set-adjustment"><code class="function">gtk_range_set_adjustment()</code></a> for details.</p><p></p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><p><span class="term"><em class="parameter"><code>button</code></em> :</span></p></td><td> a <a class="link" href="GtkScaleButton.html" title="GtkScaleButton"><span class="type">GtkScaleButton</span></a></td></tr><tr><td><p><span class="term"><em class="parameter"><code>adjustment</code></em> :</span></p></td><td> a <a class="link" href="GtkAdjustment.html" title="GtkAdjustment"><span class="type">GtkAdjustment</span></a></td></tr></tbody></table></div><p class="since">Since 2.12</p></div><hr><div class="refsect2" lang="en"><a name="id3514480"></a><h3><a name="gtk-scale-button-set-icons"></a>gtk_scale_button_set_icons ()</h3><a class="indexterm" name="id3514496"></a><pre class="programlisting">void gtk_scale_button_set_icons (<a class="link" href="GtkScaleButton.html" title="GtkScaleButton">GtkScaleButton</a> *button,⌨️ 快捷键说明
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