dde-dock/plugins/multitasking/multitaskingwidget.cpp

// Copyright (C) 2019 ~ 2019 Deepin Technology Co., Ltd.
// SPDX-FileCopyrightText: 2018 - 2023 UnionTech Software Technology Co., Ltd.
//
// SPDX-License-Identifier: LGPL-3.0-or-later

#include "multitaskingwidget.h"
#include "multitaskingplugin.h"

#include <QPainter>
#include <QIcon>
#include <QMouseEvent>
#include <imageutil.h>

MultitaskingWidget::MultitaskingWidget(QWidget *parent)
    : QWidget(parent)
    , m_icon(QIcon::fromTheme(":/icons/deepin-multitasking-view.svg"))
{

}

void MultitaskingWidget::refreshIcon()
{
    update();
}

void MultitaskingWidget::paintEvent(QPaintEvent *e)
{
    Q_UNUSED(e);

    const auto ratio = devicePixelRatioF();
    QPixmap icon;

    if (Dock::Fashion == qApp->property(PROP_DISPLAY_MODE).value<Dock::DisplayMode>()) {
        icon = ImageUtil::loadSvg("deepin-multitasking-view", QString(":/icons/"), int(size().width() * 0.8), ratio);
    } else {
        icon = ImageUtil::loadSvg("deepin-multitasking-view", QString(":/icons/"), int(size().width() * 0.7), ratio);
    }

    icon.setDevicePixelRatio(ratio);

    QPainter painter(this);
    const QRectF &rf = QRectF(rect());
    const QRectF &rfp = QRectF(icon.rect());
    painter.drawPixmap(rf.center() - rfp.center() / ratio, icon);
}