/****************************************************************************
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**
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** Copyright (C) 2016 The Qt Company Ltd.
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** Contact: https://www.qt.io/licensing/
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**
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** This file is part of the examples of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:BSD$
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and The Qt Company. For licensing terms
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** and conditions see https://www.qt.io/terms-conditions. For further
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** information use the contact form at https://www.qt.io/contact-us.
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**
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** BSD License Usage
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** Alternatively, you may use this file under the terms of the BSD license
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** as follows:
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**
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** "Redistribution and use in source and binary forms, with or without
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** modification, are permitted provided that the following conditions are
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** met:
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** * Redistributions of source code must retain the above copyright
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** notice, this list of conditions and the following disclaimer.
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** * Redistributions in binary form must reproduce the above copyright
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** notice, this list of conditions and the following disclaimer in
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** the documentation and/or other materials provided with the
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** distribution.
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** * Neither the name of The Qt Company Ltd nor the names of its
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** contributors may be used to endorse or promote products derived
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** from this software without specific prior written permission.
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**
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**
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** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include "desktopwindow.h"
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#include "xdgdesktopfile.h"
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#include <QAbstractScrollArea>
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#define DESKTOP_DIR "/usr/share/applications"
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#define ICON_SIZE 128
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#define ITEM_SPACE ICON_SIZE / 2
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#define FONT_SIZE ICON_SIZE / 6
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DesktopWindow::DesktopWindow()
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{
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QDesktopWidget *desktopwidget = QApplication::desktop();
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QRect desktoprect = desktopwidget->availableGeometry();
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qDebug() << "QLauncher available size :" << desktoprect.width() << "x" << desktoprect.height();
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QDir dir(DESKTOP_DIR);
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QStringList filters;
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filters << "*.desktop";
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dir.setNameFilters(filters);
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list = dir.entryInfoList();
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if (list.length()!=0) {
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QListWidget *desktopList = new QListWidget();
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for (int i = 0; i < list.size(); ++i) {
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XdgDesktopFile df;
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df.load(list.at(i).fileName());
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QListWidgetItem *item = new QListWidgetItem(df.icon(ICON_SIZE), df.name());
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// qDebug() << "QLauncher add application:" << i << df.name();
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QFont font;
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font.setPixelSize(FONT_SIZE);
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item->setFont(font);
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item->setSizeHint(QSize(ICON_SIZE + ITEM_SPACE, ICON_SIZE + FONT_SIZE + ITEM_SPACE));
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desktopList->addItem(item);
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}
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desktopList->setSpacing(ITEM_SPACE);
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desktopList->setViewMode(QListView::IconMode);
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desktopList->setFlow(QListView::LeftToRight);
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desktopList->setDragEnabled(false);
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desktopList->setWordWrap(true);
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desktopList->setWrapping(true);
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desktopList->setFrameShape(QListWidget::NoFrame);
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desktopList->setGridSize(QSize(ICON_SIZE + ITEM_SPACE, ICON_SIZE + ITEM_SPACE));
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desktopList->setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
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desktopList->setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
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desktopList->setStyleSheet("background-color:transparent");
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desktopList->setIconSize(QSize(ICON_SIZE, ICON_SIZE));
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desktopList->setResizeMode(QListWidget::Adjust);
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setCentralWidget(desktopList);
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setWindowState(Qt::WindowMaximized);
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setWindowFlags(Qt::FramelessWindowHint | Qt::WindowStaysOnBottomHint);
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setStyleSheet("QListWidget{background-color:transparent}");
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QProcess p;
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p.start("cat /etc/os-release");
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p.waitForStarted();
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p.waitForFinished();
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QTextStream tt(p.readAllStandardOutput());
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QString ll;
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bool found = 0;
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do{
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ll = tt.readLine();
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// qDebug() << ll;
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if(!ll.compare("NAME=\"Debian GNU/Linux\"")){
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found = true;
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}
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}while (! ll.isNull());
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if(found)
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setStyleSheet("QMainWindow{border-image: url(:/resources/background_debian.jpg);}");
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else
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setStyleSheet("QMainWindow{border-image: url(:/resources/background_linux.jpg);}");
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connect(desktopList, SIGNAL(itemPressed(QListWidgetItem *)), this, SLOT(on_itemClicked(QListWidgetItem *)));
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} else
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qDebug()<<"QLauncher no found .desktop file in"<<DESKTOP_DIR;
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resize(QGuiApplication::primaryScreen()->availableSize());
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}
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void DesktopWindow::on_itemClicked(QListWidgetItem * item)
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{
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for (int i = 0; i < list.size(); ++i) {
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XdgDesktopFile df;
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df.load(list.at(i).fileName());
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if (df.name() == item->text()) {
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qDebug()<<"QLauncher start"<<df.name();
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df.startDetached();
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}
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}
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}
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