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158 lines
3.1 KiB
C++
158 lines
3.1 KiB
C++
/*
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SPDX-FileCopyrightText: 2016 Kai Uwe Broulik <kde@privat.broulik.de>
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SPDX-License-Identifier: LGPL-2.1-or-later
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*/
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#include "thumbnailer.h"
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#include <KIO/PreviewJob>
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#include <QApplication>
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#include <QClipboard>
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#include <QIcon>
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#include <QMenu>
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#include <QMimeData>
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#include <QQuickItem>
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#include <QQuickWindow>
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#include <QTimer>
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#include <KConfigGroup>
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#include <KFileItemListProperties>
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#include <KLocalizedString>
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#include <KPropertiesDialog>
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#include <KProtocolManager>
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#include <KSharedConfig>
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#include <KUrlMimeData>
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#include <KIO/OpenFileManagerWindowJob>
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Thumbnailer::Thumbnailer(QObject *parent)
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: QObject(parent)
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{
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}
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Thumbnailer::~Thumbnailer() = default;
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void Thumbnailer::classBegin()
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{
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}
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void Thumbnailer::componentComplete()
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{
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m_inited = true;
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generatePreview();
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}
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QUrl Thumbnailer::url() const
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{
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return m_url;
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}
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void Thumbnailer::setUrl(const QUrl &url)
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{
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if (m_url != url) {
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m_url = url;
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Q_EMIT urlChanged();
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generatePreview();
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}
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}
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QSize Thumbnailer::size() const
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{
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return m_size;
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}
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void Thumbnailer::setSize(const QSize &size)
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{
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if (m_size != size) {
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m_size = size;
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Q_EMIT sizeChanged();
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generatePreview();
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}
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}
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bool Thumbnailer::busy() const
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{
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return m_busy;
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}
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bool Thumbnailer::hasPreview() const
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{
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return !m_pixmap.isNull();
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}
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QPixmap Thumbnailer::pixmap() const
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{
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return m_pixmap;
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}
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QSize Thumbnailer::pixmapSize() const
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{
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return m_pixmap.size();
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}
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QString Thumbnailer::iconName() const
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{
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return m_iconName;
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}
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bool Thumbnailer::menuVisible() const
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{
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return m_menuVisible;
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}
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void Thumbnailer::generatePreview()
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{
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if (!m_inited) {
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return;
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}
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if (!m_url.isValid() || !m_url.isLocalFile() || !m_size.isValid() || m_size.isEmpty()) {
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return;
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}
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auto maxSize = qMax(m_size.width(), m_size.height());
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KConfigGroup previewSettings(KSharedConfig::openConfig(QStringLiteral("dolphinrc")), "PreviewSettings");
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const QStringList enabledPlugins = previewSettings.readEntry("Plugins", KIO::PreviewJob::defaultPlugins());
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KIO::PreviewJob *job = KIO::filePreview(KFileItemList({KFileItem(m_url)}), QSize(maxSize, maxSize), &enabledPlugins);
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job->setScaleType(KIO::PreviewJob::Scaled);
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job->setIgnoreMaximumSize(true);
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connect(job, &KIO::PreviewJob::gotPreview, this, [this](const KFileItem &item, const QPixmap &preview) {
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Q_UNUSED(item);
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m_pixmap = preview;
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Q_EMIT pixmapChanged();
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if (!m_iconName.isEmpty()) {
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m_iconName.clear();
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Q_EMIT iconNameChanged();
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}
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});
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connect(job, &KIO::PreviewJob::failed, this, [this](const KFileItem &item) {
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m_pixmap = QPixmap();
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Q_EMIT pixmapChanged();
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const QString &iconName = item.determineMimeType().iconName();
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if (m_iconName != iconName) {
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m_iconName = iconName;
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Q_EMIT iconNameChanged();
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}
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});
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connect(job, &KJob::result, this, [this] {
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m_busy = false;
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Q_EMIT busyChanged();
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});
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m_busy = true;
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Q_EMIT busyChanged();
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job->start();
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}
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