ukui-notification/libukui-notification/utils.cpp

62 lines
2.1 KiB
C++

/*
* Copyright (C) 2023, KylinSoft Co., Ltd.
*
* 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 3 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/>.
*
* Authors: iaom <zhangpengfei@kylinos.cn>
*/
#include "utils.h"
#include <QFile>
#include <QByteArray>
#include <KWindowSystem>
#include <application-info.h>
using namespace UkuiNotification;
static UkuiSearch::ApplicationInfo s_applicationInfo;
QString Utils::desktopEntryFromPid(uint pid)
{
QString desktop;
if(s_applicationInfo.tranPidToDesktopFp(pid, desktop)) {
return desktop;
}
return {};
}
QString Utils::displayFromPid(uint pid)
{
QFile environFile(QStringLiteral("/proc/%1/environ").arg(QString::number(pid)));
if (environFile.open(QIODevice::ReadOnly | QIODevice::Text)) {
const QByteArray DISPLAY = KWindowSystem::isPlatformWayland() ? QByteArrayLiteral("WAYLAND_DISPLAY") : QByteArrayLiteral("DISPLAY");
const auto lines = environFile.readAll().split('\0');
for (const QByteArray &line : lines) {
const int equalsIdx = line.indexOf('=');
if (equalsIdx <= 0) {
continue;
}
const QByteArray key = line.left(equalsIdx);
if (key == DISPLAY) {
const QByteArray value = line.mid(equalsIdx + 1);
return value;
}
}
}
return {};
}
QString Utils::desktopEntryFromName(const QString& desktopFileName)
{
QString desktopFilePathName;
s_applicationInfo.desktopFilePathFromName(desktopFileName, desktopFilePathName);
return desktopFilePathName;
}