32 lines
1.0 KiB
C++
32 lines
1.0 KiB
C++
//
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// Created by zpf on 2023/2/13.
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//
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#include "utils.h"
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#include <QFile>
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#include <QByteArray>
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#include <KWindowSystem>
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using namespace UkuiNotification;
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QString Utils::desktopEntryFromPid(uint pid)
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{
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return QString();
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}
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QString Utils::displayFromPid(uint pid)
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{
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QFile environFile(QStringLiteral("/proc/%1/environ").arg(QString::number(pid)));
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if (environFile.open(QIODevice::ReadOnly | QIODevice::Text)) {
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const QByteArray DISPLAY = KWindowSystem::isPlatformWayland() ? QByteArrayLiteral("WAYLAND_DISPLAY") : QByteArrayLiteral("DISPLAY");
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const auto lines = environFile.readAll().split('\0');
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for (const QByteArray &line : lines) {
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const int equalsIdx = line.indexOf('=');
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if (equalsIdx <= 0) {
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continue;
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}
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const QByteArray key = line.left(equalsIdx);
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if (key == DISPLAY) {
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const QByteArray value = line.mid(equalsIdx + 1);
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return value;
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}
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}
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}
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return QString();
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} |