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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>GtkHandleBox</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="MiscObjects.html" title="Miscellaneous"><link rel="prev" href="GtkEventBox.html" title="GtkEventBox"><link rel="next" href="GtkIMContextSimple.html" title="GtkIMContextSimple"><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" href="WindowWidgets.html" 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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="GtkIMContextSimple.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="#id4222234" class="shortcut">Top</a>  |  <a href="#id4222674" class="shortcut">Description</a>  |  <a href="#id4222439" class="shortcut">Object Hierarchy</a>  |  <a href="#id4222501" class="shortcut">Implemented Interfaces</a>  |  <a href="#id4222531" class="shortcut">Properties</a>  |  <a href="#id4222635" class="shortcut">Signals</a></nobr></td></tr></table><div class="refentry" lang="en"><a name="GtkHandleBox"></a><div class="titlepage"></div><div class="refnamediv"><table width="100%"><tr><td valign="top"><h2><a name="id4222234"></a><span class="refentrytitle">GtkHandleBox</span></h2><p>GtkHandleBox — a widget for detachable window portions</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="GtkHandleBox.html#GtkHandleBox-struct">GtkHandleBox</a>;<a class="link" href="GtkWidget.html" title="GtkWidget">GtkWidget</a>* <a class="link" href="GtkHandleBox.html#gtk-handle-box-new">gtk_handle_box_new</a> (void);void <a class="link" href="GtkHandleBox.html#gtk-handle-box-set-shadow-type">gtk_handle_box_set_shadow_type</a> (<a class="link" href="GtkHandleBox.html" title="GtkHandleBox">GtkHandleBox</a> *handle_box, <a class="link" href="gtk-Standard-Enumerations.html#GtkShadowType">GtkShadowType</a> type);void <a class="link" href="GtkHandleBox.html#gtk-handle-box-set-handle-position">gtk_handle_box_set_handle_position</a> (<a class="link" href="GtkHandleBox.html" title="GtkHandleBox">GtkHandleBox</a> *handle_box, <a class="link" href="gtk-Standard-Enumerations.html#GtkPositionType">GtkPositionType</a> position);void <a class="link" href="GtkHandleBox.html#gtk-handle-box-set-snap-edge">gtk_handle_box_set_snap_edge</a> (<a class="link" href="GtkHandleBox.html" title="GtkHandleBox">GtkHandleBox</a> *handle_box, <a class="link" href="gtk-Standard-Enumerations.html#GtkPositionType">GtkPositionType</a> edge);<a class="link" href="gtk-Standard-Enumerations.html#GtkPositionType">GtkPositionType</a> <a class="link" href="GtkHandleBox.html#gtk-handle-box-get-handle-position">gtk_handle_box_get_handle_position</a> (<a class="link" href="GtkHandleBox.html" title="GtkHandleBox">GtkHandleBox</a> *handle_box);<a class="link" href="gtk-Standard-Enumerations.html#GtkShadowType">GtkShadowType</a> <a class="link" href="GtkHandleBox.html#gtk-handle-box-get-shadow-type">gtk_handle_box_get_shadow_type</a> (<a class="link" href="GtkHandleBox.html" title="GtkHandleBox">GtkHandleBox</a> *handle_box);<a class="link" href="gtk-Standard-Enumerations.html#GtkPositionType">GtkPositionType</a> <a class="link" href="GtkHandleBox.html#gtk-handle-box-get-snap-edge">gtk_handle_box_get_snap_edge</a> (<a class="link" href="GtkHandleBox.html" title="GtkHandleBox">GtkHandleBox</a> *handle_box);</pre></div><div class="refsect1" lang="en"><a name="id4222439"></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> +----GtkHandleBox</pre></div><div class="refsect1" lang="en"><a name="id4222501"></a><h2>Implemented Interfaces</h2><p>GtkHandleBox implements AtkImplementorIface and <a class="link" href="gtk-gtkbuildable.html#GtkBuildable">GtkBuildable</a>.</p></div><div class="refsect1" lang="en"><a name="id4222531"></a><h2>Properties</h2><pre class="synopsis"> "<a class="link" href="GtkHandleBox.html#GtkHandleBox--handle-position">handle-position</a>" <a class="link" href="gtk-Standard-Enumerations.html#GtkPositionType">GtkPositionType</a> : Read / Write "<a class="link" href="GtkHandleBox.html#GtkHandleBox--shadow">shadow</a>" <a class="link" href="gtk-Standard-Enumerations.html#GtkShadowType">GtkShadowType</a> : Read / Write "<a class="link" href="GtkHandleBox.html#GtkHandleBox--shadow-type">shadow-type</a>" <a class="link" href="gtk-Standard-Enumerations.html#GtkShadowType">GtkShadowType</a> : Read / Write "<a class="link" href="GtkHandleBox.html#GtkHandleBox--snap-edge">snap-edge</a>" <a class="link" href="gtk-Standard-Enumerations.html#GtkPositionType">GtkPositionType</a> : Read / Write "<a class="link" href="GtkHandleBox.html#GtkHandleBox--snap-edge-set">snap-edge-set</a>" <ahref="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean">gboolean</a> : Read / Write</pre></div><div class="refsect1" lang="en"><a name="id4222635"></a><h2>Signals</h2><pre class="synopsis"> "<a class="link" href="GtkHandleBox.html#GtkHandleBox-child-attached">child-attached</a>" : Run First "<a class="link" href="GtkHandleBox.html#GtkHandleBox-child-detached">child-detached</a>" : Run First</pre></div><div class="refsect1" lang="en"><a name="id4222674"></a><h2>Description</h2><p>The <a class="link" href="GtkHandleBox.html" title="GtkHandleBox"><span class="type">GtkHandleBox</span></a> widget allows a portion of a window to be "tornoff". It is a bin widget which displays its child and a handle thatthe user can drag to tear off a separate window (the <em class="firstterm">floatwindow</em>) containing the child widget. A thin<em class="firstterm">ghost</em> is drawn in the original location of thehandlebox. By dragging the separate window back to its originallocation, it can be reattached.</p><p>When reattaching, the ghost and float window, must be alignedalong one of the edges, the <em class="firstterm">snap edge</em>.This either can be specified by the application programmerexplicitely, or GTK+ will pick a reasonable default basedon the handle position.</p><p>To make detaching and reattaching the handlebox as minimally confusingas possible to the user, it is important to set the snap edge so thatthe snap edge does not move when the handlebox is deattached. Forinstance, if the handlebox is packed at the bottom of a VBox, thenwhen the handlebox is detached, the bottom edge of the handlebox'sallocation will remain fixed as the height of the handlebox shrinks,so the snap edge should be set to <a class="link" href="gtk-Standard-Enumerations.html#GTK-POS-BOTTOM:CAPS"><code class="literal">GTK_POS_BOTTOM</code></a>.</p></div><div class="refsect1" lang="en"><a name="id4222742"></a><h2>Details</h2><div class="refsect2" lang="en"><a name="id4222752"></a><h3><a name="GtkHandleBox-struct"></a>GtkHandleBox</h3><a class="indexterm" name="id4222765"></a><pre class="programlisting">typedef struct _GtkHandleBox GtkHandleBox;</pre><p>The <a class="link" href="GtkHandleBox.html#GtkHandleBox-struct"><span class="type">GtkHandleBox</span></a> struct contains the following fields.(These fields should be considered read-only. They should never be set byan application.)</p><div class="informaltable"><table width="100%" border="0"><colgroup><col><col></colgroup><tbody><tr><td>GtkShadowType shadow_type;</td><td>The shadow type for the entry. (See <a class="link" href="GtkHandleBox.html#gtk-handle-box-set-shadow-type"><code class="function">gtk_handle_box_set_shadow_type()</code></a>).</td></tr><tr><td>GtkPositionType handle_position;</td><td>The position of the handlebox's handle with respectto the child. (See <a class="link" href="GtkHandleBox.html#gtk-handle-box-set-handle-position"><code class="function">gtk_handle_box_set_handle_position()</code></a>)</td></tr><tr><td>gint snap_edge;</td><td>A value of type <span class="type">GtkPosition</span> type indicating snap edge for the widget.(See gtk_handle_box_set_snap_edge). The value of -1 indicatesthat this value has not been set.</td></tr><tr><td><ahref="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a> child_detached;</td><td>A boolean value indicating whether the handlebox'schild is attached or detached.</td></tr></tbody></table></div><p></p></div><hr><div class="refsect2" lang="en"><a name="id4222905"></a><h3><a name="gtk-handle-box-new"></a>gtk_handle_box_new ()</h3><a class="indexterm" name="id4222917"></a><pre class="programlisting"><a class="link" href="GtkWidget.html" title="GtkWidget">GtkWidget</a>* gtk_handle_box_new (void);</pre><p>Create a new handle box.</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td><td>a new <a class="link" href="GtkHandleBox.html" title="GtkHandleBox"><span class="type">GtkHandleBox</span></a>.</td></tr></tbody></table></div></div><hr><div class="refsect2" lang="en"><a name="id4222961"></a><h3><a name="gtk-handle-box-set-shadow-type"></a>gtk_handle_box_set_shadow_type ()</h3><a class="indexterm" name="id4222975"></a><pre class="programlisting">void gtk_handle_box_set_shadow_type (<a class="link" href="GtkHandleBox.html" title="GtkHandleBox">GtkHandleBox</a> *handle_box, <a class="link" href="gtk-Standard-Enumerations.html#GtkShadowType">GtkShadowType</a> type);</pre><p>Sets the type of shadow to be drawn around the border of the handle box.</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><p><span class="term"><em class="parameter"><code>handle_box</code></em> :</span></p></td><td>a <a class="link" href="GtkHandleBox.html" title="GtkHandleBox"><span class="type">GtkHandleBox</span></a></td></tr><tr><td><p><span class="term"><em class="parameter"><code>type</code></em> :</span></p></td><td>the shadow type.</td></tr></tbody></table></div>⌨️ 快捷键说明
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