c7639fd7ed
Summary: Headers like stdio.h are deprecated in C++. Test Plan: Compiles. clangd no longer spews these warnings {F6997789, size=full} Reviewers: #kwin, davidedmundson Reviewed By: #kwin, davidedmundson Subscribers: kwin Tags: #kwin Differential Revision: https://phabricator.kde.org/D22351
55 lines
1.8 KiB
C++
55 lines
1.8 KiB
C++
/********************************************************************
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KWin - the KDE window manager
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This file is part of the KDE project.
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Copyright (C) 2018 Martin Flöser <mgraesslin@kde.org>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*********************************************************************/
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#pragma once
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#include <xcb/xcb.h>
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#include <cstring>
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namespace KWin
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{
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class GeEventMemMover
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{
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public:
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GeEventMemMover(xcb_generic_event_t *event)
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: m_event(reinterpret_cast<xcb_ge_generic_event_t *>(event))
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{
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// xcb event structs contain stuff that wasn't on the wire, the full_sequence field
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// adds an extra 4 bytes and generic events cookie data is on the wire right after the standard 32 bytes.
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// Move this data back to have the same layout in memory as it was on the wire
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// and allow casting, overwriting the full_sequence field.
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memmove((char*) m_event + 32, (char*) m_event + 36, m_event->length * 4);
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}
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~GeEventMemMover()
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{
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// move memory layout back, so that Qt can do the same without breaking
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memmove((char*) m_event + 36, (char *) m_event + 32, m_event->length * 4);
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}
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xcb_ge_generic_event_t *operator->() const {
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return m_event;
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}
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private:
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xcb_ge_generic_event_t *m_event;
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};
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}
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