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<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="API documentation for the Rust `xwayland_keyboard_grab` mod in crate `wayland_protocols`."><meta name="keywords" content="rust, rustlang, rust-lang, xwayland_keyboard_grab"><title>wayland_protocols::unstable::xwayland_keyboard_grab - Rust</title><link rel="stylesheet" type="text/css" href="../../../normalize.css"><link rel="stylesheet" type="text/css" href="../../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" type="text/css" href="../../../dark.css"><link rel="stylesheet" type="text/css" href="../../../light.css" id="themeStyle"><script src="../../../storage.js"></script><noscript><link rel="stylesheet" href="../../../noscript.css"></noscript><link rel="shortcut icon" href="../../../favicon.ico"><style type="text/css">#crate-search{background-image:url("../../../down-arrow.svg");}</style></head><body class="rustdoc mod"><!--[if lte IE 8]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><div class="sidebar-menu">&#9776;</div><a href='../../../wayland_protocols/index.html'><div class='logo-container'><img src='../../../rust-logo.png' alt='logo'></div></a><p class='location'>Module xwayland_keyboard_grab</p><div class="sidebar-elems"><div class="block items"><ul><li><a href="#modules">Modules</a></li></ul></div><p class='location'><a href='../../index.html'>wayland_protocols</a>::<wbr><a href='../index.html'>unstable</a></p><script>window.sidebarCurrent = {name: 'xwayland_keyboard_grab', ty: 'mod', relpath: '../'};</script><script defer src="../sidebar-items.js"></script></div></nav><div class="theme-picker"><button id="theme-picker" aria-label="Pick another theme!"><img src="../../../brush.svg" width="18" alt="Pick another theme!"></button><div id="theme-choices"></div></div><script src="../../../theme.js"></script><nav class="sub"><form class="search-form js-only"><div class="search-container"><div><select id="crate-search"><option value="All crates">All crates</option></select><input class="search-input" name="search" autocomplete="off" spellcheck="false" placeholder="Click or press S to search, ? for more options…" type="search"></div><a id="settings-menu" href="../../../settings.html"><img src="../../../wheel.svg" width="18" alt="Change settings"></a></div></form></nav><section id="main" class="content"><h1 class='fqn'><span class='out-of-band'><span id='render-detail'><a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class='inner'>&#x2212;</span>]</a></span><a class='srclink' href='../../../src/wayland_protocols/unstable.rs.html#402-441' title='goto source code'>[src]</a></span><span class='in-band'>Module <a href='../../index.html'>wayland_protocols</a>::<wbr><a href='../index.html'>unstable</a>::<wbr><a class="mod" href=''>xwayland_keyboard_grab</a></span></h1><div class='docblock'><p>Protocol for grabbing the keyboard from Xwayland</p>
<p>This protocol is application-specific to meet the needs of the X11
protocol through Xwayland. It provides a way for Xwayland to request
all keyboard events to be forwarded to a surface even when the
surface does not have keyboard focus.</p>
<p>In the X11 protocol, a client may request an &quot;active grab&quot; on the
keyboard. On success, all key events are reported only to the
grabbing X11 client. For details, see XGrabKeyboard(3).</p>
<p>The core Wayland protocol does not have a notion of an active
keyboard grab. When running in Xwayland, X11 applications may
acquire an active grab inside Xwayland but that cannot be translated
to the Wayland compositor who may set the input focus to some other
surface. In doing so, it breaks the X11 client assumption that all
key events are reported to the grabbing client.</p>
<p>This protocol specifies a way for Xwayland to request all keyboard
be directed to the given surface. The protocol does not guarantee
that the compositor will honor this request and it does not
prescribe user interfaces on how to handle the respond. For example,
a compositor may inform the user that all key events are now
forwarded to the given client surface, or it may ask the user for
permission to do so.</p>
<p>Compositors are required to restrict access to this application
specific protocol to Xwayland alone.</p>
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