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/*
* Copyright (C) 2013 Sergey Ilinykh (rion)
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*
*/
#include "x11info.h"
#include <QtGlobal>
#include <X11/Xlib.h>
#include <xcb/xcb.h>
Display *X11Info::display()
{
if (!_display) {
_display = XOpenDisplay(nullptr);
}
return _display;
}
unsigned long X11Info::appRootWindow(int screen)
{
return screen == -1 ? XDefaultRootWindow(display()) : XRootWindowOfScreen(XScreenOfDisplay(display(), screen));
}
xcb_connection_t *X11Info::xcbConnection()
{
if (!_xcb) {
_xcb = xcb_connect(nullptr, &_xcbPreferredScreen);
Q_ASSERT(_xcb);
}
return _xcb;
}
xcb_connection_t *X11Info::_xcb = nullptr;
Display *X11Info::_display = nullptr;
int X11Info::_xcbPreferredScreen = 0;
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