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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=UTF-8"> <title>GdkSeat: GDK 3 Reference Manual</title> <meta name="generator" content="DocBook XSL Stylesheets V1.79.1"> <link rel="home" href="index.html" title="GDK 3 Reference Manual"> <link rel="up" href="reference.html" title="API Reference"> <link rel="prev" href="GdkScreen.html" title="GdkScreen"> <link rel="next" href="GdkMonitor.html" title="GdkMonitor"> <meta name="generator" content="GTK-Doc V1.32 (XML mode)"> <link rel="stylesheet" href="style.css" type="text/css"> </head> <body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"> <table class="navigation" id="top" width="100%" summary="Navigation header" cellpadding="2" cellspacing="5"><tr valign="middle"> <td width="100%" align="left" class="shortcuts"> <a href="#" class="shortcut">Top</a><span id="nav_description"> <span class="dim">|</span> <a href="#GdkSeat.description" class="shortcut">Description</a></span><span id="nav_hierarchy"> <span class="dim">|</span> <a href="#GdkSeat.object-hierarchy" class="shortcut">Object Hierarchy</a></span><span id="nav_properties"> <span class="dim">|</span> <a href="#GdkSeat.properties" class="shortcut">Properties</a></span><span id="nav_signals"> <span class="dim">|</span> <a href="#GdkSeat.signals" class="shortcut">Signals</a></span> </td> <td><a accesskey="h" href="index.html"><img src="home.png" width="16" height="16" border="0" alt="Home"></a></td> <td><a accesskey="u" href="reference.html"><img src="up.png" width="16" height="16" border="0" alt="Up"></a></td> <td><a accesskey="p" href="GdkScreen.html"><img src="left.png" width="16" height="16" border="0" alt="Prev"></a></td> <td><a accesskey="n" href="GdkMonitor.html"><img src="right.png" width="16" height="16" border="0" alt="Next"></a></td> </tr></table> <div class="refentry"> <a name="GdkSeat"></a><div class="titlepage"></div> <div class="refnamediv"><table width="100%"><tr> <td valign="top"> <h2><span class="refentrytitle"><a name="GdkSeat.top_of_page"></a>GdkSeat</span></h2> <p>GdkSeat — Object representing an user seat</p> </td> <td class="gallery_image" valign="top" align="right"></td> </tr></table></div> <div class="refsect1"> <a name="GdkSeat.functions"></a><h2>Functions</h2> <div class="informaltable"><table class="informaltable" width="100%" border="0"> <colgroup> <col width="150px" class="functions_proto_type"> <col class="functions_proto_name"> </colgroup> <tbody> <tr> <td class="function_type"> <span class="returnvalue">void</span> </td> <td class="function_name"> <span class="c_punctuation">(</span><a class="link" href="GdkSeat.html#GdkSeatGrabPrepareFunc" title="GdkSeatGrabPrepareFunc ()">*GdkSeatGrabPrepareFunc</a><span class="c_punctuation">)</span> <span class="c_punctuation">()</span> </td> </tr> <tr> <td class="function_type"> <a class="link" href="GdkDisplay.html" title="GdkDisplay"><span class="returnvalue">GdkDisplay</span></a> * </td> <td class="function_name"> <a class="link" href="GdkSeat.html#gdk-seat-get-display" title="gdk_seat_get_display ()">gdk_seat_get_display</a> <span class="c_punctuation">()</span> </td> </tr> <tr> <td class="function_type"> <a class="link" href="gdk3-General.html#GdkGrabStatus" title="enum GdkGrabStatus"><span class="returnvalue">GdkGrabStatus</span></a> </td> <td class="function_name"> <a class="link" href="GdkSeat.html#gdk-seat-grab" title="gdk_seat_grab ()">gdk_seat_grab</a> <span class="c_punctuation">()</span> </td> </tr> <tr> <td class="function_type"> <span class="returnvalue">void</span> </td> <td class="function_name"> <a class="link" href="GdkSeat.html#gdk-seat-ungrab" title="gdk_seat_ungrab ()">gdk_seat_ungrab</a> <span class="c_punctuation">()</span> </td> </tr> <tr> <td class="function_type"> <a class="link" href="GdkSeat.html#GdkSeatCapabilities" title="enum GdkSeatCapabilities"><span class="returnvalue">GdkSeatCapabilities</span></a> </td> <td class="function_name"> <a class="link" href="GdkSeat.html#gdk-seat-get-capabilities" title="gdk_seat_get_capabilities ()">gdk_seat_get_capabilities</a> <span class="c_punctuation">()</span> </td> </tr> <tr> <td class="function_type"> <a class="link" href="GdkDevice.html" title="GdkDevice"><span class="returnvalue">GdkDevice</span></a> * </td> <td class="function_name"> <a class="link" href="GdkSeat.html#gdk-seat-get-pointer" title="gdk_seat_get_pointer ()">gdk_seat_get_pointer</a> <span class="c_punctuation">()</span> </td> </tr> <tr> <td class="function_type"> <a class="link" href="GdkDevice.html" title="GdkDevice"><span class="returnvalue">GdkDevice</span></a> * </td> <td class="function_name"> <a class="link" href="GdkSeat.html#gdk-seat-get-keyboard" title="gdk_seat_get_keyboard ()">gdk_seat_get_keyboard</a> <span class="c_punctuation">()</span> </td> </tr> <tr> <td class="function_type"> <a href="/usr/share/gtk-doc/html/glib/glib-Doubly-Linked-Lists.html#GList"><span class="returnvalue">GList</span></a> * </td> <td class="function_name"> <a class="link" href="GdkSeat.html#gdk-seat-get-slaves" title="gdk_seat_get_slaves ()">gdk_seat_get_slaves</a> <span class="c_punctuation">()</span> </td> </tr> </tbody> </table></div> </div> <div class="refsect1"> <a name="GdkSeat.properties"></a><h2>Properties</h2> <div class="informaltable"><table class="informaltable" border="0"> <colgroup> <col width="150px" class="properties_type"> <col width="300px" class="properties_name"> <col width="200px" class="properties_flags"> </colgroup> <tbody><tr> <td class="property_type"> <a class="link" href="GdkDisplay.html" title="GdkDisplay"><span class="type">GdkDisplay</span></a> *</td> <td class="property_name"><a class="link" href="GdkSeat.html#GdkSeat--display" title="The “display” property">display</a></td> <td class="property_flags">Read / Write / Construct Only</td> </tr></tbody> </table></div> </div> <div class="refsect1"> <a name="GdkSeat.signals"></a><h2>Signals</h2> <div class="informaltable"><table class="informaltable" border="0"> <colgroup> <col width="150px" class="signal_proto_type"> <col width="300px" class="signal_proto_name"> <col width="200px" class="signal_proto_flags"> </colgroup> <tbody> <tr> <td class="signal_type"><span class="returnvalue">void</span></td> <td class="signal_name"><a class="link" href="GdkSeat.html#GdkSeat-device-added" title="The “device-added” signal">device-added</a></td> <td class="signal_flags"><a href="/usr/share/gtk-doc/html/gobject/gobject-Signals.html#G-SIGNAL-RUN-LAST:CAPS">Run Last</a></td> </tr> <tr> <td class="signal_type"><span class="returnvalue">void</span></td> <td class="signal_name"><a class="link" href="GdkSeat.html#GdkSeat-device-removed" title="The “device-removed” signal">device-removed</a></td> <td class="signal_flags"><a href="/usr/share/gtk-doc/html/gobject/gobject-Signals.html#G-SIGNAL-RUN-LAST:CAPS">Run Last</a></td> </tr> <tr> <td class="signal_type"><span class="returnvalue">void</span></td> <td class="signal_name"><a class="link" href="GdkSeat.html#GdkSeat-tool-added" title="The “tool-added” signal">tool-added</a></td> <td class="signal_flags"><a href="/usr/share/gtk-doc/html/gobject/gobject-Signals.html#G-SIGNAL-RUN-LAST:CAPS">Run Last</a></td> </tr> <tr> <td class="signal_type"><span class="returnvalue">void</span></td> <td class="signal_name"><a class="link" href="GdkSeat.html#GdkSeat-tool-removed" title="The “tool-removed” signal">tool-removed</a></td> <td class="signal_flags"><a href="/usr/share/gtk-doc/html/gobject/gobject-Signals.html#G-SIGNAL-RUN-LAST:CAPS">Run Last</a></td> </tr> </tbody> </table></div> </div> <div class="refsect1"> <a name="GdkSeat.other"></a><h2>Types and Values</h2> <div class="informaltable"><table class="informaltable" width="100%" border="0"> <colgroup> <col width="150px" class="other_proto_type"> <col class="other_proto_name"> </colgroup> <tbody> <tr> <td class="datatype_keyword"> </td> <td class="function_name"><a class="link" href="GdkSeat.html#GdkSeat-struct" title="GdkSeat">GdkSeat</a></td> </tr> <tr> <td class="datatype_keyword">enum</td> <td class="function_name"><a class="link" href="GdkSeat.html#GdkSeatCapabilities" title="enum GdkSeatCapabilities">GdkSeatCapabilities</a></td> </tr> </tbody> </table></div> </div> <div class="refsect1"> <a name="GdkSeat.object-hierarchy"></a><h2>Object Hierarchy</h2> <pre class="screen"> <a href="/usr/share/gtk-doc/html/gobject/gobject-The-Base-Object-Type.html#GObject-struct">GObject</a> <span class="lineart">╰──</span> GdkSeat </pre> </div> <div class="refsect1"> <a name="GdkSeat.includes"></a><h2>Includes</h2> <pre class="synopsis">#include <gdk/gdk.h> </pre> </div> <div class="refsect1"> <a name="GdkSeat.description"></a><h2>Description</h2> <p>The <a class="link" href="GdkSeat.html" title="GdkSeat"><span class="type">GdkSeat</span></a> object represents a collection of input devices that belong to a user.</p> </div> <div class="refsect1"> <a name="GdkSeat.functions_details"></a><h2>Functions</h2> <div class="refsect2"> <a name="GdkSeatGrabPrepareFunc"></a><h3>GdkSeatGrabPrepareFunc ()</h3> <pre class="programlisting"><span class="returnvalue">void</span> <span class="c_punctuation">(</span>*GdkSeatGrabPrepareFunc<span class="c_punctuation">)</span> (<em class="parameter"><code><a class="link" href="GdkSeat.html" title="GdkSeat"><span class="type">GdkSeat</span></a> *seat</code></em>, <em class="parameter"><code><a class="link" href="gdk3-Windows.html#GdkWindow"><span class="type">GdkWindow</span></a> *window</code></em>, <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> user_data</code></em>);</pre> <p>Type of the callback used to set up <em class="parameter"><code>window</code></em> so it can be grabbed. A typical action would be ensuring the window is visible, although there's room for other initialization actions.</p> <div class="refsect3"> <a name="GdkSeatGrabPrepareFunc.parameters"></a><h4>Parameters</h4> <div class="informaltable"><table class="informaltable" width="100%" border="0"> <colgroup> <col width="150px" class="parameters_name"> <col class="parameters_description"> <col width="200px" class="parameters_annotations"> </colgroup> <tbody> <tr> <td class="parameter_name"><p>seat</p></td> <td class="parameter_description"><p>the <a class="link" href="GdkSeat.html" title="GdkSeat"><span class="type">GdkSeat</span></a> being grabbed</p></td> <td class="parameter_annotations"> </td> </tr> <tr> <td class="parameter_name"><p>window</p></td> <td class="parameter_description"><p>the <a class="link" href="gdk3-Windows.html#GdkWindow"><span class="type">GdkWindow</span></a> being grabbed</p></td> <td class="parameter_annotations"> </td> </tr> <tr> <td class="parameter_name"><p>user_data</p></td> <td class="parameter_description"><p>user data passed in <a class="link" href="GdkSeat.html#gdk-seat-grab" title="gdk_seat_grab ()"><code class="function">gdk_seat_grab()</code></a></p></td> <td class="parameter_annotations"> </td> </tr> </tbody> </table></div> </div> <p class="since">Since: <a class="link" href="api-index-3-20.html#api-index-3.20">3.20</a></p> </div> <hr> <div class="refsect2"> <a name="gdk-seat-get-display"></a><h3>gdk_seat_get_display ()</h3> <pre class="programlisting"><a class="link" href="GdkDisplay.html" title="GdkDisplay"><span class="returnvalue">GdkDisplay</span></a> * gdk_seat_get_display (<em class="parameter"><code><a class="link" href="GdkSeat.html" title="GdkSeat"><span class="type">GdkSeat</span></a> *seat</code></em>);</pre> <p>Returns the <a class="link" href="GdkDisplay.html" title="GdkDisplay"><span class="type">GdkDisplay</span></a> this seat belongs to.</p> <div class="refsect3"> <a name="gdk-seat-get-display.parameters"></a><h4>Parameters</h4> <div class="informaltable"><table class="informaltable" width="100%" border="0"> <colgroup> <col width="150px" class="parameters_name"> <col class="parameters_description"> <col width="200px" class="parameters_annotations"> </colgroup> <tbody><tr> <td class="parameter_name"><p>seat</p></td> <td class="parameter_description"><p>a <a class="link" href="GdkSeat.html" title="GdkSeat"><span class="type">GdkSeat</span></a></p></td> <td class="parameter_annotations"> </td> </tr></tbody> </table></div> </div> <div class="refsect3"> <a name="gdk-seat-get-display.returns"></a><h4>Returns</h4> <p>a <a class="link" href="GdkDisplay.html" title="GdkDisplay"><span class="type">GdkDisplay</span></a>. This object is owned by GTK+ and must not be freed. </p> <p><span class="annotation">[<acronym title="Don't free data after the code is done."><span class="acronym">transfer none</span></acronym>]</span></p> </div> </div> <hr> <div class="refsect2"> <a name="gdk-seat-grab"></a><h3>gdk_seat_grab ()</h3> <pre class="programlisting"><a class="link" href="gdk3-General.html#GdkGrabStatus" title="enum GdkGrabStatus"><span class="returnvalue">GdkGrabStatus</span></a> gdk_seat_grab (<em class="parameter"><code><a class="link" href="GdkSeat.html" title="GdkSeat"><span class="type">GdkSeat</span></a> *seat</code></em>, <em class="parameter"><code><a class="link" href="gdk3-Windows.html#GdkWindow"><span class="type">GdkWindow</span></a> *window</code></em>, <em class="parameter"><code><a class="link" href="GdkSeat.html#GdkSeatCapabilities" title="enum GdkSeatCapabilities"><span class="type">GdkSeatCapabilities</span></a> capabilities</code></em>, <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a> owner_events</code></em>, <em class="parameter"><code><a class="link" href="gdk3-Cursors.html#GdkCursor"><span class="type">GdkCursor</span></a> *cursor</code></em>, <em class="parameter"><code>const <a class="link" href="gdk3-Event-Structures.html#GdkEvent" title="union GdkEvent"><span class="type">GdkEvent</span></a> *event</code></em>, <em class="parameter"><code><a class="link" href="GdkSeat.html#GdkSeatGrabPrepareFunc" title="GdkSeatGrabPrepareFunc ()"><span class="type">GdkSeatGrabPrepareFunc</span></a> prepare_func</code></em>, <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> prepare_func_data</code></em>);</pre> <p>Grabs the seat so that all events corresponding to the given <em class="parameter"><code>capabilities</code></em> are passed to this application until the seat is ungrabbed with <a class="link" href="GdkSeat.html#gdk-seat-ungrab" title="gdk_seat_ungrab ()"><code class="function">gdk_seat_ungrab()</code></a>, or the window becomes hidden. This overrides any previous grab on the seat by this client.</p> <p>As a rule of thumb, if a grab is desired over <a class="link" href="GdkSeat.html#GDK-SEAT-CAPABILITY-POINTER:CAPS"><code class="literal">GDK_SEAT_CAPABILITY_POINTER</code></a>, all other "pointing" capabilities (eg. <a class="link" href="GdkSeat.html#GDK-SEAT-CAPABILITY-TOUCH:CAPS"><code class="literal">GDK_SEAT_CAPABILITY_TOUCH</code></a>) should be grabbed too, so the user is able to interact with all of those while the grab holds, you should thus use <a class="link" href="GdkSeat.html#GDK-SEAT-CAPABILITY-ALL-POINTING:CAPS"><code class="literal">GDK_SEAT_CAPABILITY_ALL_POINTING</code></a> most commonly.</p> <p>Grabs are used for operations which need complete control over the events corresponding to the given capabilities. For example in GTK+ this is used for Drag and Drop operations, popup menus and such.</p> <p>Note that if the event mask of a <a class="link" href="gdk3-Windows.html#GdkWindow"><span class="type">GdkWindow</span></a> has selected both button press and button release events, or touch begin and touch end, then a press event will cause an automatic grab until the button is released, equivalent to a grab on the window with <em class="parameter"><code>owner_events</code></em> set to <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a>. This is done because most applications expect to receive paired press and release events.</p> <p>If you set up anything at the time you take the grab that needs to be cleaned up when the grab ends, you should handle the <a class="link" href="gdk3-Event-Structures.html#GdkEventGrabBroken" title="struct GdkEventGrabBroken"><span class="type">GdkEventGrabBroken</span></a> events that are emitted when the grab ends unvoluntarily.</p> <div class="refsect3"> <a name="gdk-seat-grab.parameters"></a><h4>Parameters</h4> <div class="informaltable"><table class="informaltable" width="100%" border="0"> <colgroup> <col width="150px" class="parameters_name"> <col class="parameters_description"> <col width="200px" class="parameters_annotations"> </colgroup> <tbody> <tr> <td class="parameter_name"><p>seat</p></td> <td class="parameter_description"><p>a <a class="link" href="GdkSeat.html" title="GdkSeat"><span class="type">GdkSeat</span></a></p></td> <td class="parameter_annotations"> </td> </tr> <tr> <td class="parameter_name"><p>window</p></td> <td class="parameter_description"><p>the <a class="link" href="gdk3-Windows.html#GdkWindow"><span class="type">GdkWindow</span></a> which will own the grab</p></td> <td class="parameter_annotations"> </td> </tr> <tr> <td class="parameter_name"><p>capabilities</p></td> <td class="parameter_description"><p>capabilities that will be grabbed</p></td> <td class="parameter_annotations"> </td> </tr> <tr> <td class="parameter_name"><p>owner_events</p></td> <td class="parameter_description"><p>if <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#FALSE:CAPS"><code class="literal">FALSE</code></a> then all device events are reported with respect to <em class="parameter"><code>window</code></em> and are only reported if selected by <em class="parameter"><code>event_mask</code></em> . If <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> then pointer events for this application are reported as normal, but pointer events outside this application are reported with respect to <em class="parameter"><code>window</code></em> and only if selected by <em class="parameter"><code>event_mask</code></em> . In either mode, unreported events are discarded.</p></td> <td class="parameter_annotations"> </td> </tr> <tr> <td class="parameter_name"><p>cursor</p></td> <td class="parameter_description"><p>the cursor to display while the grab is active. If this is <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a> then the normal cursors are used for <em class="parameter"><code>window</code></em> and its descendants, and the cursor for <em class="parameter"><code>window</code></em> is used elsewhere. </p></td> <td class="parameter_annotations"><span class="annotation">[<acronym title="NULL may be passed as the value in, out, in-out; or as a return value."><span class="acronym">nullable</span></acronym>]</span></td> </tr> <tr> <td class="parameter_name"><p>event</p></td> <td class="parameter_description"><p>the event that is triggering the grab, or <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a> if none is available. </p></td> <td class="parameter_annotations"><span class="annotation">[<acronym title="NULL may be passed as the value in, out, in-out; or as a return value."><span class="acronym">nullable</span></acronym>]</span></td> </tr> <tr> <td class="parameter_name"><p>prepare_func</p></td> <td class="parameter_description"><p>function to prepare the window to be grabbed, it can be <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a> if <em class="parameter"><code>window</code></em> is visible before this call. </p></td> <td class="parameter_annotations"><span class="annotation">[<acronym title="NULL may be passed as the value in, out, in-out; or as a return value."><span class="acronym">nullable</span></acronym>][<acronym title="The callback is valid only during the call to the method."><span class="acronym">scope call</span></acronym>][<acronym title="This parameter is a 'user_data', for callbacks; many bindings can pass NULL here."><span class="acronym">closure</span></acronym> prepare_func_data]</span></td> </tr> <tr> <td class="parameter_name"><p>prepare_func_data</p></td> <td class="parameter_description"><p>user data to pass to <em class="parameter"><code>prepare_func</code></em> </p></td> <td class="parameter_annotations"> </td> </tr> </tbody> </table></div> </div> <div class="refsect3"> <a name="gdk-seat-grab.returns"></a><h4>Returns</h4> <p> <a class="link" href="gdk3-General.html#GDK-GRAB-SUCCESS:CAPS"><code class="literal">GDK_GRAB_SUCCESS</code></a> if the grab was successful.</p> </div> <p class="since">Since: <a class="link" href="api-index-3-20.html#api-index-3.20">3.20</a></p> </div> <hr> <div class="refsect2"> <a name="gdk-seat-ungrab"></a><h3>gdk_seat_ungrab ()</h3> <pre class="programlisting"><span class="returnvalue">void</span> gdk_seat_ungrab (<em class="parameter"><code><a class="link" href="GdkSeat.html" title="GdkSeat"><span class="type">GdkSeat</span></a> *seat</code></em>);</pre> <p>Releases a grab added through <a class="link" href="GdkSeat.html#gdk-seat-grab" title="gdk_seat_grab ()"><code class="function">gdk_seat_grab()</code></a>.</p> <div class="refsect3"> <a name="gdk-seat-ungrab.parameters"></a><h4>Parameters</h4> <div class="informaltable"><table class="informaltable" width="100%" border="0"> <colgroup> <col width="150px" class="parameters_name"> <col class="parameters_description"> <col width="200px" class="parameters_annotations"> </colgroup> <tbody><tr> <td class="parameter_name"><p>seat</p></td> <td class="parameter_description"><p>a <a class="link" href="GdkSeat.html" title="GdkSeat"><span class="type">GdkSeat</span></a></p></td> <td class="parameter_annotations"> </td> </tr></tbody> </table></div> </div> <p class="since">Since: <a class="link" href="api-index-3-20.html#api-index-3.20">3.20</a></p> </div> <hr> <div class="refsect2"> <a name="gdk-seat-get-capabilities"></a><h3>gdk_seat_get_capabilities ()</h3> <pre class="programlisting"><a class="link" href="GdkSeat.html#GdkSeatCapabilities" title="enum GdkSeatCapabilities"><span class="returnvalue">GdkSeatCapabilities</span></a> gdk_seat_get_capabilities (<em class="parameter"><code><a class="link" href="GdkSeat.html" title="GdkSeat"><span class="type">GdkSeat</span></a> *seat</code></em>);</pre> <p>Returns the capabilities this <a class="link" href="GdkSeat.html" title="GdkSeat"><span class="type">GdkSeat</span></a> currently has.</p> <div class="refsect3"> <a name="gdk-seat-get-capabilities.parameters"></a><h4>Parameters</h4> <div class="informaltable"><table class="informaltable" width="100%" border="0"> <colgroup> <col width="150px" class="parameters_name"> <col class="parameters_description"> <col width="200px" class="parameters_annotations"> </colgroup> <tbody><tr> <td class="parameter_name"><p>seat</p></td> <td class="parameter_description"><p>a <a class="link" href="GdkSeat.html" title="GdkSeat"><span class="type">GdkSeat</span></a></p></td> <td class="parameter_annotations"> </td> </tr></tbody> </table></div> </div> <div class="refsect3"> <a name="gdk-seat-get-capabilities.returns"></a><h4>Returns</h4> <p> the seat capabilities</p> </div> <p class="since">Since: <a class="link" href="api-index-3-20.html#api-index-3.20">3.20</a></p> </div> <hr> <div class="refsect2"> <a name="gdk-seat-get-pointer"></a><h3>gdk_seat_get_pointer ()</h3> <pre class="programlisting"><a class="link" href="GdkDevice.html" title="GdkDevice"><span class="returnvalue">GdkDevice</span></a> * gdk_seat_get_pointer (<em class="parameter"><code><a class="link" href="GdkSeat.html" title="GdkSeat"><span class="type">GdkSeat</span></a> *seat</code></em>);</pre> <p>Returns the master device that routes pointer events.</p> <div class="refsect3"> <a name="gdk-seat-get-pointer.parameters"></a><h4>Parameters</h4> <div class="informaltable"><table class="informaltable" width="100%" border="0"> <colgroup> <col width="150px" class="parameters_name"> <col class="parameters_description"> <col width="200px" class="parameters_annotations"> </colgroup> <tbody><tr> <td class="parameter_name"><p>seat</p></td> <td class="parameter_description"><p>a <a class="link" href="GdkSeat.html" title="GdkSeat"><span class="type">GdkSeat</span></a></p></td> <td class="parameter_annotations"> </td> </tr></tbody> </table></div> </div> <div class="refsect3"> <a name="gdk-seat-get-pointer.returns"></a><h4>Returns</h4> <p>a master <a class="link" href="GdkDevice.html" title="GdkDevice"><span class="type">GdkDevice</span></a> with pointer capabilities. This object is owned by GTK+ and must not be freed. </p> <p><span class="annotation">[<acronym title="Don't free data after the code is done."><span class="acronym">transfer none</span></acronym>][<acronym title="NULL may be passed as the value in, out, in-out; or as a return value."><span class="acronym">nullable</span></acronym>]</span></p> </div> <p class="since">Since: <a class="link" href="api-index-3-20.html#api-index-3.20">3.20</a></p> </div> <hr> <div class="refsect2"> <a name="gdk-seat-get-keyboard"></a><h3>gdk_seat_get_keyboard ()</h3> <pre class="programlisting"><a class="link" href="GdkDevice.html" title="GdkDevice"><span class="returnvalue">GdkDevice</span></a> * gdk_seat_get_keyboard (<em class="parameter"><code><a class="link" href="GdkSeat.html" title="GdkSeat"><span class="type">GdkSeat</span></a> *seat</code></em>);</pre> <p>Returns the master device that routes keyboard events.</p> <div class="refsect3"> <a name="gdk-seat-get-keyboard.parameters"></a><h4>Parameters</h4> <div class="informaltable"><table class="informaltable" width="100%" border="0"> <colgroup> <col width="150px" class="parameters_name"> <col class="parameters_description"> <col width="200px" class="parameters_annotations"> </colgroup> <tbody><tr> <td class="parameter_name"><p>seat</p></td> <td class="parameter_description"><p>a <a class="link" href="GdkSeat.html" title="GdkSeat"><span class="type">GdkSeat</span></a></p></td> <td class="parameter_annotations"> </td> </tr></tbody> </table></div> </div> <div class="refsect3"> <a name="gdk-seat-get-keyboard.returns"></a><h4>Returns</h4> <p>a master <a class="link" href="GdkDevice.html" title="GdkDevice"><span class="type">GdkDevice</span></a> with keyboard capabilities. This object is owned by GTK+ and must not be freed. </p> <p><span class="annotation">[<acronym title="Don't free data after the code is done."><span class="acronym">transfer none</span></acronym>][<acronym title="NULL may be passed as the value in, out, in-out; or as a return value."><span class="acronym">nullable</span></acronym>]</span></p> </div> <p class="since">Since: <a class="link" href="api-index-3-20.html#api-index-3.20">3.20</a></p> </div> <hr> <div class="refsect2"> <a name="gdk-seat-get-slaves"></a><h3>gdk_seat_get_slaves ()</h3> <pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Doubly-Linked-Lists.html#GList"><span class="returnvalue">GList</span></a> * gdk_seat_get_slaves (<em class="parameter"><code><a class="link" href="GdkSeat.html" title="GdkSeat"><span class="type">GdkSeat</span></a> *seat</code></em>, <em class="parameter"><code><a class="link" href="GdkSeat.html#GdkSeatCapabilities" title="enum GdkSeatCapabilities"><span class="type">GdkSeatCapabilities</span></a> capabilities</code></em>);</pre> <p>Returns the slave devices that match the given capabilities.</p> <div class="refsect3"> <a name="gdk-seat-get-slaves.parameters"></a><h4>Parameters</h4> <div class="informaltable"><table class="informaltable" width="100%" border="0"> <colgroup> <col width="150px" class="parameters_name"> <col class="parameters_description"> <col width="200px" class="parameters_annotations"> </colgroup> <tbody> <tr> <td class="parameter_name"><p>seat</p></td> <td class="parameter_description"><p>a <a class="link" href="GdkSeat.html" title="GdkSeat"><span class="type">GdkSeat</span></a></p></td> <td class="parameter_annotations"> </td> </tr> <tr> <td class="parameter_name"><p>capabilities</p></td> <td class="parameter_description"><p>capabilities to get devices for</p></td> <td class="parameter_annotations"> </td> </tr> </tbody> </table></div> </div> <div class="refsect3"> <a name="gdk-seat-get-slaves.returns"></a><h4>Returns</h4> <p>A list of <span class="type">GdkDevices</span>. The list must be freed with <a href="/usr/share/gtk-doc/html/glib/glib-Doubly-Linked-Lists.html#g-list-free"><code class="function">g_list_free()</code></a>, the elements are owned by GDK and must not be freed. </p> <p><span class="annotation">[<acronym title="Free data container after the code is done."><span class="acronym">transfer container</span></acronym>][<acronym title="Generics and defining elements of containers and arrays."><span class="acronym">element-type</span></acronym> GdkDevice]</span></p> </div> <p class="since">Since: <a class="link" href="api-index-3-20.html#api-index-3.20">3.20</a></p> </div> </div> <div class="refsect1"> <a name="GdkSeat.other_details"></a><h2>Types and Values</h2> <div class="refsect2"> <a name="GdkSeat-struct"></a><h3>GdkSeat</h3> <pre class="programlisting">typedef struct _GdkSeat GdkSeat;</pre> </div> <hr> <div class="refsect2"> <a name="GdkSeatCapabilities"></a><h3>enum GdkSeatCapabilities</h3> <p>Flags describing the seat capabilities.</p> <div class="refsect3"> <a name="GdkSeatCapabilities.members"></a><h4>Members</h4> <div class="informaltable"><table class="informaltable" width="100%" border="0"> <colgroup> <col width="300px" class="enum_members_name"> <col class="enum_members_description"> <col width="200px" class="enum_members_annotations"> </colgroup> <tbody> <tr> <td class="enum_member_name"><p><a name="GDK-SEAT-CAPABILITY-NONE:CAPS"></a>GDK_SEAT_CAPABILITY_NONE</p></td> <td class="enum_member_description"> <p>No input capabilities</p> </td> <td class="enum_member_annotations"> </td> </tr> <tr> <td class="enum_member_name"><p><a name="GDK-SEAT-CAPABILITY-POINTER:CAPS"></a>GDK_SEAT_CAPABILITY_POINTER</p></td> <td class="enum_member_description"> <p>The seat has a pointer (e.g. mouse)</p> </td> <td class="enum_member_annotations"> </td> </tr> <tr> <td class="enum_member_name"><p><a name="GDK-SEAT-CAPABILITY-TOUCH:CAPS"></a>GDK_SEAT_CAPABILITY_TOUCH</p></td> <td class="enum_member_description"> <p>The seat has touchscreen(s) attached</p> </td> <td class="enum_member_annotations"> </td> </tr> <tr> <td class="enum_member_name"><p><a name="GDK-SEAT-CAPABILITY-TABLET-STYLUS:CAPS"></a>GDK_SEAT_CAPABILITY_TABLET_STYLUS</p></td> <td class="enum_member_description"> <p>The seat has drawing tablet(s) attached</p> </td> <td class="enum_member_annotations"> </td> </tr> <tr> <td class="enum_member_name"><p><a name="GDK-SEAT-CAPABILITY-KEYBOARD:CAPS"></a>GDK_SEAT_CAPABILITY_KEYBOARD</p></td> <td class="enum_member_description"> <p>The seat has keyboard(s) attached</p> </td> <td class="enum_member_annotations"> </td> </tr> <tr> <td class="enum_member_name"><p><a name="GDK-SEAT-CAPABILITY-ALL-POINTING:CAPS"></a>GDK_SEAT_CAPABILITY_ALL_POINTING</p></td> <td class="enum_member_description"> <p>The union of all pointing capabilities</p> </td> <td class="enum_member_annotations"> </td> </tr> <tr> <td class="enum_member_name"><p><a name="GDK-SEAT-CAPABILITY-ALL:CAPS"></a>GDK_SEAT_CAPABILITY_ALL</p></td> <td class="enum_member_description"> <p>The union of all capabilities</p> </td> <td class="enum_member_annotations"> </td> </tr> </tbody> </table></div> </div> <p class="since">Since: <a class="link" href="api-index-3-20.html#api-index-3.20">3.20</a></p> </div> </div> <div class="refsect1"> <a name="GdkSeat.property-details"></a><h2>Property Details</h2> <div class="refsect2"> <a name="GdkSeat--display"></a><h3>The <code class="literal">“display”</code> property</h3> <pre class="programlisting"> “display” <a class="link" href="GdkDisplay.html" title="GdkDisplay"><span class="type">GdkDisplay</span></a> *</pre> <p><a class="link" href="GdkDisplay.html" title="GdkDisplay"><span class="type">GdkDisplay</span></a> of this seat.</p> <p>Owner: GdkSeat</p> <p>Flags: Read / Write / Construct Only</p> <p class="since">Since: <a class="link" href="api-index-3-20.html#api-index-3.20">3.20</a></p> </div> </div> <div class="refsect1"> <a name="GdkSeat.signal-details"></a><h2>Signal Details</h2> <div class="refsect2"> <a name="GdkSeat-device-added"></a><h3>The <code class="literal">“device-added”</code> signal</h3> <pre class="programlisting"><span class="returnvalue">void</span> user_function (<a class="link" href="GdkSeat.html" title="GdkSeat"><span class="type">GdkSeat</span></a> *seat, <a class="link" href="GdkDevice.html" title="GdkDevice"><span class="type">GdkDevice</span></a> *device, <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> user_data)</pre> <p>The ::device-added signal is emitted when a new input device is related to this seat.</p> <div class="refsect3"> <a name="GdkSeat-device-added.parameters"></a><h4>Parameters</h4> <div class="informaltable"><table class="informaltable" width="100%" border="0"> <colgroup> <col width="150px" class="parameters_name"> <col class="parameters_description"> <col width="200px" class="parameters_annotations"> </colgroup> <tbody> <tr> <td class="parameter_name"><p>seat</p></td> <td class="parameter_description"><p>the object on which the signal is emitted</p></td> <td class="parameter_annotations"> </td> </tr> <tr> <td class="parameter_name"><p>device</p></td> <td class="parameter_description"><p>the newly added <a class="link" href="GdkDevice.html" title="GdkDevice"><span class="type">GdkDevice</span></a>.</p></td> <td class="parameter_annotations"> </td> </tr> <tr> <td class="parameter_name"><p>user_data</p></td> <td class="parameter_description"><p>user data set when the signal handler was connected.</p></td> <td class="parameter_annotations"> </td> </tr> </tbody> </table></div> </div> <p>Flags: <a href="/usr/share/gtk-doc/html/gobject/gobject-Signals.html#G-SIGNAL-RUN-LAST:CAPS">Run Last</a></p> <p class="since">Since: <a class="link" href="api-index-3-20.html#api-index-3.20">3.20</a></p> </div> <hr> <div class="refsect2"> <a name="GdkSeat-device-removed"></a><h3>The <code class="literal">“device-removed”</code> signal</h3> <pre class="programlisting"><span class="returnvalue">void</span> user_function (<a class="link" href="GdkSeat.html" title="GdkSeat"><span class="type">GdkSeat</span></a> *seat, <a class="link" href="GdkDevice.html" title="GdkDevice"><span class="type">GdkDevice</span></a> *device, <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> user_data)</pre> <p>The ::device-removed signal is emitted when an input device is removed (e.g. unplugged).</p> <div class="refsect3"> <a name="GdkSeat-device-removed.parameters"></a><h4>Parameters</h4> <div class="informaltable"><table class="informaltable" width="100%" border="0"> <colgroup> <col width="150px" class="parameters_name"> <col class="parameters_description"> <col width="200px" class="parameters_annotations"> </colgroup> <tbody> <tr> <td class="parameter_name"><p>seat</p></td> <td class="parameter_description"><p>the object on which the signal is emitted</p></td> <td class="parameter_annotations"> </td> </tr> <tr> <td class="parameter_name"><p>device</p></td> <td class="parameter_description"><p>the just removed <a class="link" href="GdkDevice.html" title="GdkDevice"><span class="type">GdkDevice</span></a>.</p></td> <td class="parameter_annotations"> </td> </tr> <tr> <td class="parameter_name"><p>user_data</p></td> <td class="parameter_description"><p>user data set when the signal handler was connected.</p></td> <td class="parameter_annotations"> </td> </tr> </tbody> </table></div> </div> <p>Flags: <a href="/usr/share/gtk-doc/html/gobject/gobject-Signals.html#G-SIGNAL-RUN-LAST:CAPS">Run Last</a></p> <p class="since">Since: <a class="link" href="api-index-3-20.html#api-index-3.20">3.20</a></p> </div> <hr> <div class="refsect2"> <a name="GdkSeat-tool-added"></a><h3>The <code class="literal">“tool-added”</code> signal</h3> <pre class="programlisting"><span class="returnvalue">void</span> user_function (<a class="link" href="GdkSeat.html" title="GdkSeat"><span class="type">GdkSeat</span></a> *seat, <span class="type">GdkDeviceTool</span> *tool, <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> user_data)</pre> <p>The ::tool-added signal is emitted whenever a new tool is made known to the seat. The tool may later be assigned to a device (i.e. on proximity with a tablet). The device will emit the <a class="link" href="GdkDevice.html#GdkDevice-tool-changed" title="The “tool-changed” signal"><span class="type">“tool-changed”</span></a> signal accordingly.</p> <p>A same tool may be used by several devices.</p> <div class="refsect3"> <a name="GdkSeat-tool-added.parameters"></a><h4>Parameters</h4> <div class="informaltable"><table class="informaltable" width="100%" border="0"> <colgroup> <col width="150px" class="parameters_name"> <col class="parameters_description"> <col width="200px" class="parameters_annotations"> </colgroup> <tbody> <tr> <td class="parameter_name"><p>seat</p></td> <td class="parameter_description"><p>the object on which the signal is emitted</p></td> <td class="parameter_annotations"> </td> </tr> <tr> <td class="parameter_name"><p>tool</p></td> <td class="parameter_description"><p>the new <span class="type">GdkDeviceTool</span> known to the seat</p></td> <td class="parameter_annotations"> </td> </tr> <tr> <td class="parameter_name"><p>user_data</p></td> <td class="parameter_description"><p>user data set when the signal handler was connected.</p></td> <td class="parameter_annotations"> </td> </tr> </tbody> </table></div> </div> <p>Flags: <a href="/usr/share/gtk-doc/html/gobject/gobject-Signals.html#G-SIGNAL-RUN-LAST:CAPS">Run Last</a></p> <p class="since">Since: <a class="link" href="api-index-3-22.html#api-index-3.22">3.22</a></p> </div> <hr> <div class="refsect2"> <a name="GdkSeat-tool-removed"></a><h3>The <code class="literal">“tool-removed”</code> signal</h3> <pre class="programlisting"><span class="returnvalue">void</span> user_function (<a class="link" href="GdkSeat.html" title="GdkSeat"><span class="type">GdkSeat</span></a> *seat, <span class="type">GdkDeviceTool</span> *tool, <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> user_data)</pre> <p>This signal is emitted whenever a tool is no longer known to this <em class="parameter"><code>seat</code></em> .</p> <div class="refsect3"> <a name="GdkSeat-tool-removed.parameters"></a><h4>Parameters</h4> <div class="informaltable"><table class="informaltable" width="100%" border="0"> <colgroup> <col width="150px" class="parameters_name"> <col class="parameters_description"> <col width="200px" class="parameters_annotations"> </colgroup> <tbody> <tr> <td class="parameter_name"><p>seat</p></td> <td class="parameter_description"><p>the object on which the signal is emitted</p></td> <td class="parameter_annotations"> </td> </tr> <tr> <td class="parameter_name"><p>tool</p></td> <td class="parameter_description"><p>the just removed <span class="type">GdkDeviceTool</span></p></td> <td class="parameter_annotations"> </td> </tr> <tr> <td class="parameter_name"><p>user_data</p></td> <td class="parameter_description"><p>user data set when the signal handler was connected.</p></td> <td class="parameter_annotations"> </td> </tr> </tbody> </table></div> </div> <p>Flags: <a href="/usr/share/gtk-doc/html/gobject/gobject-Signals.html#G-SIGNAL-RUN-LAST:CAPS">Run Last</a></p> <p class="since">Since: <a class="link" href="api-index-3-22.html#api-index-3.22">3.22</a></p> </div> </div> <div class="refsect1"> <a name="GdkSeat.see-also"></a><h2>See Also</h2> <p><a class="link" href="GdkDisplay.html" title="GdkDisplay"><span class="type">GdkDisplay</span></a>, <a class="link" href="GdkDevice.html" title="GdkDevice"><span class="type">GdkDevice</span></a></p> </div> </div> <div class="footer"> <hr>Generated by GTK-Doc V1.32</div> </body> </html>