dde-dock/plugins/trash/trashwidget.cpp

#include "constants.h"
#include "trashwidget.h"

#include <QPainter>
#include <QIcon>
#include <QApplication>
#include <QDragEnterEvent>

TrashWidget::TrashWidget(QWidget *parent)
    : QWidget(parent),

      m_popupApplet(new PopupControlWidget(this))
{
    QIcon::setThemeName("deepin");

    m_popupApplet->setVisible(false);

    connect(m_popupApplet, &PopupControlWidget::emptyChanged, this, &TrashWidget::updateIcon);

    updateIcon();
    setAcceptDrops(true);
}

QWidget *TrashWidget::popupApplet()
{
    return m_popupApplet;
}

QSize TrashWidget::sizeHint() const
{
    return QSize(26, 26);
}

void TrashWidget::dragEnterEvent(QDragEnterEvent *e)
{
    if (e->mimeData()->hasFormat("text/uri-list"))
        return e->accept();
}

void TrashWidget::dropEvent(QDropEvent *e)
{
    Q_ASSERT(e->mimeData()->hasFormat("text/uri-list"));

    const QMimeData *mime = e->mimeData();
    for (auto url : mime->urls())
        moveToTrash(url);
}

void TrashWidget::paintEvent(QPaintEvent *e)
{
    QWidget::paintEvent(e);

    QPainter painter(this);
    painter.drawPixmap(rect().center() - m_icon.rect().center(), m_icon);
}

void TrashWidget::resizeEvent(QResizeEvent *e)
{
    QWidget::resizeEvent(e);

    updateIcon();
}

void TrashWidget::updateIcon()
{
    const Dock::DisplayMode displayMode = qApp->property(PROP_DISPLAY_MODE).value<Dock::DisplayMode>();

    QString iconString = "user-trash";
    if (!m_popupApplet->empty())
        iconString.append("-full");
    if (displayMode == Dock::Efficient)
        iconString.append("-symbolic");

    const int size = displayMode == Dock::Fashion ? std::min(width(), height()) * 0.8 : 16;
    QIcon icon = QIcon::fromTheme(iconString);
    m_icon = icon.pixmap(size, size);

    update();
}

void TrashWidget::moveToTrash(const QUrl &url)
{
    const QFileInfo info = url.toLocalFile();

    QDir trashDir(m_popupApplet->trashDir() + "/files");
    if (!trashDir.exists())
        trashDir.mkpath(".");

//    qDebug() << info.absoluteFilePath() << trashDir.absoluteFilePath(info.fileName());

    QDir().rename(info.absoluteFilePath(), trashDir.absoluteFilePath(info.fileName()));
}