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/*
K Win - the KDE window manager
This file is part of the KDE project.
SPDX-FileCopyrightText: 2012, 2013 Martin Gräßlin <mgraesslin@kde.org>
SPDX-FileCopyrightText: 2015 Daniel Vrátil <dvratil@redhat.com>
SPDX-License-Identifier: GPL-2.0-or-later
*/
#include "xcbwrapper.h"
static xcb_connection_t *sXRandR11XCBConnection = nullptr;
xcb_connection_t *XCB::connection()
{
// Use our own connection to make sure that we won't mess up Qt's connection
// if something goes wrong on our side.
if (sXRandR11XCBConnection == nullptr) {
sXRandR11XCBConnection = xcb_connect(nullptr, nullptr);
}
return sXRandR11XCBConnection;
}
void XCB::closeConnection()
{
if (sXRandR11XCBConnection) {
xcb_disconnect(sXRandR11XCBConnection);
sXRandR11XCBConnection = nullptr;
}
}
xcb_screen_t *XCB::screenOfDisplay(xcb_connection_t *c, int screen)
{
for (auto iter = xcb_setup_roots_iterator(xcb_get_setup(c)); iter.rem; --screen, xcb_screen_next(&iter)) {
if (screen == 0) {
return iter.data;
}
}
return nullptr;
}
XCB::GrabServer::GrabServer()
{
xcb_grab_server(connection());
}
XCB::GrabServer::~GrabServer()
{
xcb_ungrab_server(connection());
xcb_flush(connection());
}
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