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122 lines
2.7 KiB
C++
122 lines
2.7 KiB
C++
/*
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SPDX-FileCopyrightText: 2012, 2013 Martin Graesslin <mgraesslin@kde.org>
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SPDX-FileCopyrightText: 2015 David Edmudson <davidedmundson@kde.org>
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SPDX-License-Identifier: GPL-2.0-or-later
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*/
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#pragma once
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#include <xcb/composite.h>
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#include <xcb/damage.h>
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#include <xcb/randr.h>
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#include <xcb/shm.h>
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#include <xcb/xcb.h>
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#include <xcb/xcb_atom.h>
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#include <xcb/xcb_event.h>
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#include <QScopedPointer>
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#include <QVector>
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#include <QX11Info>
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/** XEMBED messages */
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#define XEMBED_EMBEDDED_NOTIFY 0
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#define XEMBED_WINDOW_ACTIVATE 1
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#define XEMBED_WINDOW_DEACTIVATE 2
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#define XEMBED_REQUEST_FOCUS 3
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#define XEMBED_FOCUS_IN 4
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#define XEMBED_FOCUS_OUT 5
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#define XEMBED_FOCUS_NEXT 6
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#define XEMBED_FOCUS_PREV 7
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namespace Xcb
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{
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typedef xcb_window_t WindowId;
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template<typename T>
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using ScopedCPointer = QScopedPointer<T, QScopedPointerPodDeleter>;
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class Atom
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{
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public:
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explicit Atom(const QByteArray &name, bool onlyIfExists = false, xcb_connection_t *c = QX11Info::connection())
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: m_connection(c)
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, m_retrieved(false)
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, m_cookie(xcb_intern_atom_unchecked(m_connection, onlyIfExists, name.length(), name.constData()))
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, m_atom(XCB_ATOM_NONE)
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, m_name(name)
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{
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}
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Atom() = delete;
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Atom(const Atom &) = delete;
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~Atom()
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{
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if (!m_retrieved && m_cookie.sequence) {
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xcb_discard_reply(m_connection, m_cookie.sequence);
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}
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}
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operator xcb_atom_t() const
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{
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(const_cast<Atom *>(this))->getReply();
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return m_atom;
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}
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bool isValid()
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{
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getReply();
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return m_atom != XCB_ATOM_NONE;
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}
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bool isValid() const
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{
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(const_cast<Atom *>(this))->getReply();
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return m_atom != XCB_ATOM_NONE;
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}
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inline const QByteArray &name() const
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{
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return m_name;
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}
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private:
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void getReply()
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{
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if (m_retrieved || !m_cookie.sequence) {
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return;
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}
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ScopedCPointer<xcb_intern_atom_reply_t> reply(xcb_intern_atom_reply(m_connection, m_cookie, nullptr));
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if (!reply.isNull()) {
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m_atom = reply->atom;
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}
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m_retrieved = true;
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}
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xcb_connection_t *m_connection;
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bool m_retrieved;
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xcb_intern_atom_cookie_t m_cookie;
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xcb_atom_t m_atom;
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QByteArray m_name;
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};
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class Atoms
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{
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public:
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Atoms()
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: xembedAtom("_XEMBED")
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, selectionAtom(xcb_atom_name_by_screen("_NET_SYSTEM_TRAY", QX11Info::appScreen()))
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, opcodeAtom("_NET_SYSTEM_TRAY_OPCODE")
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, messageData("_NET_SYSTEM_TRAY_MESSAGE_DATA")
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, visualAtom("_NET_SYSTEM_TRAY_VISUAL")
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{
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}
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Atom xembedAtom;
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Atom selectionAtom;
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Atom opcodeAtom;
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Atom messageData;
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Atom visualAtom;
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};
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extern Atoms *atoms;
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} // namespace Xcb
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