mirror of https://github.com/cutefishos/statusbar
Improved activation item
cutefishd
5 years ago
parent
d4ef3cdf21
commit
27e0cf1cd2
@ -0,0 +1,206 @@
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/*
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* Copyright (C) 2021 CutefishOS Team.
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*
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* Author: cutefishos <cutefishos@foxmail.com>
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*
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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 3 of the License, or
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* any later version.
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*
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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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*
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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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#include "capplications.h"
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#include <QRegularExpression>
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#include <QSettings>
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#include <QLocale>
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#include <QDirIterator>
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#include <QDir>
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static CApplications *SELF = nullptr;
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static QString s_systemAppFolder = "/usr/share/applications";
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static QByteArray detectDesktopEnvironment()
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{
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const QByteArray desktop = qgetenv("XDG_CURRENT_DESKTOP");
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if (!desktop.isEmpty())
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return desktop.toUpper();
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return QByteArray("UNKNOWN");
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}
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CApplications *CApplications::self()
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{
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if (!SELF)
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SELF = new CApplications;
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return SELF;
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}
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CApplications::CApplications(QObject *parent)
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: QObject(parent)
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, m_watcher(new QFileSystemWatcher(this))
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{
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m_watcher->addPath(s_systemAppFolder);
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connect(m_watcher, &QFileSystemWatcher::directoryChanged, this, &CApplications::refresh);
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refresh();
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}
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CApplications::~CApplications()
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{
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while (!m_items.isEmpty())
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delete m_items.takeFirst();
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}
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CAppItem *CApplications::find(const QString &fileName)
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{
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for (CAppItem *item : m_items)
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if (item->path == fileName)
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return item;
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return nullptr;
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}
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CAppItem *CApplications::matchItem(quint32 pid)
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{
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QStringList commands = commandFromPid(pid);
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QString command = commands.first();
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QString commandName = commands.last();
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if (command.isEmpty())
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return nullptr;
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for (CAppItem *item : m_items) {
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if (item->fullExec == command ||
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item->exec == command ||
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item->fullExec == commandName ||
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item->exec == commandName) {
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return item;
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}
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}
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return nullptr;
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}
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void CApplications::refresh()
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{
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QStringList addedEntries;
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for (CAppItem *item : m_items)
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addedEntries.append(item->path);
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QStringList allEntries;
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QDirIterator it(s_systemAppFolder, { "*.desktop" }, QDir::NoFilter, QDirIterator::Subdirectories);
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while (it.hasNext()) {
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const QString &filePath = it.next();
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if (!QFile::exists(filePath))
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continue;
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allEntries.append(filePath);
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}
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for (const QString &filePath : allEntries) {
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if (!addedEntries.contains(filePath)) {
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addApplication(filePath);
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}
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}
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for (CAppItem *item : m_items) {
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if (!allEntries.contains(item->path)) {
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removeApplication(item);
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}
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}
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}
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void CApplications::addApplication(const QString &filePath)
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{
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if (find(filePath))
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return;
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QSettings desktop(filePath, QSettings::IniFormat);
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desktop.setIniCodec("UTF-8");
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desktop.beginGroup("Desktop Entry");
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// Skip...
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if (desktop.contains("OnlyShowIn")) {
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const QString &value = desktop.value("OnlyShowIn").toString();
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if (!value.contains(detectDesktopEnvironment(), Qt::CaseInsensitive)) {
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return;
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}
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}
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if (desktop.value("NoDisplay").toBool() ||
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desktop.value("Hidden").toBool()) {
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return;
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}
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// Local Name
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QString localName = desktop.value(QString("Name[%1]").arg(QLocale::system().name())).toString();
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if (localName.isEmpty())
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localName = desktop.value("Name").toString();
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// Exec
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QString simplifiedExec = desktop.value("Exec").toString();
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simplifiedExec.remove(QRegularExpression("%."));
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simplifiedExec.remove(QRegularExpression("^\""));
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// appExec.remove(QRegularExpression(" *$"));
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simplifiedExec = simplifiedExec.simplified();
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// New data
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CAppItem *item = new CAppItem;
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item->path = filePath;
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item->localName = localName;
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item->name = desktop.value("Name").toString();;
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item->comment = desktop.value("Comment").toString();
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item->icon = desktop.value("Icon").toString();
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item->fullExec = desktop.value("Exec").toString();
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item->exec = simplifiedExec;
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m_items.append(item);
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}
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void CApplications::removeApplication(CAppItem *item)
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{
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m_items.removeOne(item);
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delete item;
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}
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QStringList CApplications::commandFromPid(quint32 pid)
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{
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QFile file(QString("/proc/%1/cmdline").arg(pid));
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if (file.open(QIODevice::ReadOnly)) {
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QByteArray cmd = file.readAll();
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// ref: https://github.com/KDE/kcoreaddons/blob/230c98aa7e01f9e36a9c2776f3633182e6778002/src/lib/util/kprocesslist_unix.cpp#L137
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if (!cmd.isEmpty()) {
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// extract non-truncated name from cmdline
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int zeroIndex = cmd.indexOf('\0');
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int processNameStart = cmd.lastIndexOf('/', zeroIndex);
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if (processNameStart == -1) {
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processNameStart = 0;
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} else {
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processNameStart++;
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}
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QString name = QString::fromLocal8Bit(cmd.mid(processNameStart, zeroIndex - processNameStart));
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cmd.replace('\0', ' ');
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QString command = QString::fromLocal8Bit(cmd).trimmed();
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return { command, name };
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}
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}
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return QStringList();
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}
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@ -0,0 +1,62 @@
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/*
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* Copyright (C) 2021 CutefishOS Team.
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*
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* Author: cutefishos <cutefishos@foxmail.com>
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*
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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 3 of the License, or
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* any later version.
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*
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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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*
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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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#ifndef CAPPLICATIONS_H
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#define CAPPLICATIONS_H
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#include <QObject>
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#include <QFileSystemWatcher>
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class CAppItem
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{
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public:
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QString path;
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QString localName;
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QString name;
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QString comment;
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QString icon;
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QString fullExec;
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QString exec;
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};
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class CApplications : public QObject
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{
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Q_OBJECT
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public:
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static CApplications *self();
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explicit CApplications(QObject *parent = nullptr);
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~CApplications();
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CAppItem *find(const QString &fileName);
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CAppItem *matchItem(quint32 pid);
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private:
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void refresh();
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void addApplication(const QString &filePath);
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void removeApplication(CAppItem *item);
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QStringList commandFromPid(quint32 pid);
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private:
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QFileSystemWatcher *m_watcher;
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QList<CAppItem *> m_items;
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};
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#endif // CAPPLICATIONS_H
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