ukui-control-center/plugins/devices/printer/printer.cpp

/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
 *
 * Copyright (C) 2019 Tianjin KYLIN Information Technology 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 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, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
 *
 */
#include "printer.h"
#include "ui_printer.h"

#include <QtPrintSupport/QPrinterInfo>
#include <QProcess>

#include <QDebug>
#include <QMouseEvent>

#define ITEMFIXEDHEIGH 58

Printer::Printer() : mFirstLoad(true)
{
    pluginName = tr("Printer");
    pluginType = DEVICES;
}

Printer::~Printer() {
    if (!mFirstLoad) {
        delete ui;
    }
}

QString Printer::get_plugin_name() {
    return pluginName;
}

int Printer::get_plugin_type() {
    return pluginType;
}

QWidget *Printer::get_plugin_ui() {
    if (mFirstLoad) {
        mFirstLoad = false;
        ui = new Ui::Printer;
        pluginWidget = new QWidget;
        pluginWidget->setAttribute(Qt::WA_DeleteOnClose);
        ui->setupUi(pluginWidget);

        //~ contents_path /printer/Add Printers And Scanners
        ui->titleLabel->setText(tr("Add Printers And Scanners"));
        ui->titleLabel->setStyleSheet("QLabel{font-size: 18px; color: palette(windowText);}");

        //禁用选中效果
        ui->listWidget->setFocusPolicy(Qt::NoFocus);
        ui->listWidget->setSelectionMode(QAbstractItemView::NoSelection);

        refreshPrinterDev();

        initComponent();
    }
    return pluginWidget;
}

void Printer::plugin_delay_control() {

}

const QString Printer::name() const {

    return QStringLiteral("printer");
}

void Printer::initComponent(){

    mAddWgt = new HoverWidget("", pluginWidget);
    mAddWgt->setObjectName("addwgt");
    mAddWgt->setMinimumSize(QSize(580, 50));
    mAddWgt->setMaximumSize(QSize(960, 50));
    mAddWgt->setStyleSheet("HoverWidget#addwgt{background: palette(button); border-radius: 4px;}HoverWidget:hover:!pressed#addwgt{background: #3D6BE5; border-radius: 4px;}");

    ui->listWidget->setStyleSheet("QListWidget::Item:hover{background:palette(base);}");

    QHBoxLayout *addLyt = new QHBoxLayout;

    QLabel * iconLabel = new QLabel();
    QLabel * textLabel = new QLabel(tr("Add printers and scanners"));
    QPixmap pixgray = ImageUtil::loadSvg(":/img/titlebar/add.svg", "black", 12);
    iconLabel->setPixmap(pixgray);
    addLyt->addWidget(iconLabel);
    addLyt->addWidget(textLabel);
    addLyt->addStretch();
    mAddWgt->setLayout(addLyt);

    // 悬浮改变Widget状态
    connect(mAddWgt, &HoverWidget::enterWidget, this, [=](QString mname) {
        Q_UNUSED(mname)
        QPixmap pixgray = ImageUtil::loadSvg(":/img/titlebar/add.svg", "white", 12);
        iconLabel->setPixmap(pixgray);
        textLabel->setStyleSheet("color: palette(base);");

    });
    // 还原状态
    connect(mAddWgt, &HoverWidget::leaveWidget, this, [=](QString mname) {
        Q_UNUSED(mname)
        QPixmap pixgray = ImageUtil::loadSvg(":/img/titlebar/add.svg", "black", 12);
        iconLabel->setPixmap(pixgray);
        textLabel->setStyleSheet("color: palette(windowText);");
    });

    connect(mAddWgt, &HoverWidget::widgetClicked, this, [=](QString mname) {
        Q_UNUSED(mname)
        runExternalApp();
    });
    ui->addLyt->addWidget(mAddWgt);

}

void Printer::refreshPrinterDev(){

    ui->listWidget->clear();

    QStringList printer = QPrinterInfo::availablePrinterNames();

    for (int num = 0; num < printer.count(); num++) {

        HoverBtn * printerItem = new HoverBtn(printer.at(num), pluginWidget);
        printerItem->mPitLabel->setText(printer.at(num));
        printerItem->mAbtBtn->setText(tr("Attributes"));
        QIcon printerIcon = QIcon::fromTheme("printer");
        printerItem->mPitIcon->setPixmap(printerIcon.pixmap(printerIcon.actualSize(QSize(24, 24))));

        connect(printerItem->mAbtBtn, &QPushButton::clicked, this, [=]{
            runExternalApp();
        });
        QListWidgetItem * item = new QListWidgetItem(ui->listWidget);
        item->setSizeHint(QSize(QSizePolicy::Expanding, 50));
        ui->listWidget->setItemWidget(item, printerItem);
    }
}

void Printer::runExternalApp(){
    QString cmd = "system-config-printer";

    QProcess process(this);
    process.startDetached(cmd);
}