Merge branch 'master' into kf6

1 files changed, 179 insertions, 0 deletions

diff --git a/src/settings/interface/previewssettingspage.cpp b/src/settings/interface/previewssettingspage.cpp
new file mode 100644
index 000000000..dd1ce942e
--- /dev/null
+++ b/src/settings/interface/previewssettingspage.cpp
@@ -0,0 +1,179 @@
+/*
+ * SPDX-FileCopyrightText: 2006 Peter Penz <[email protected]>
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
+#include "previewssettingspage.h"
+
+#include "dolphin_generalsettings.h"
+#include "settings/servicemodel.h"
+
+#include <KIO/PreviewJob>
+#include <KLocalizedString>
+#include <KPluginMetaData>
+
+#include <QHBoxLayout>
+#include <QLabel>
+#include <QListView>
+#include <QScroller>
+#include <QShowEvent>
+#include <QSortFilterProxyModel>
+#include <QSpinBox>
+
+// default settings
+namespace
+{
+const int DefaultMaxLocalPreviewSize = 0; // 0 MB
+const int DefaultMaxRemotePreviewSize = 0; // 0 MB
+}
+
+PreviewsSettingsPage::PreviewsSettingsPage(QWidget *parent)
+    : SettingsPageBase(parent)
+    , m_initialized(false)
+    , m_listView(nullptr)
+    , m_enabledPreviewPlugins()
+    , m_localFileSizeBox(nullptr)
+    , m_remoteFileSizeBox(nullptr)
+{
+    QVBoxLayout *topLayout = new QVBoxLayout(this);
+
+    QLabel *showPreviewsLabel = new QLabel(i18nc("@title:group", "Show previews in the view for:"), this);
+
+    m_listView = new QListView(this);
+    QScroller::grabGesture(m_listView->viewport(), QScroller::TouchGesture);
+
+    ServiceModel *serviceModel = new ServiceModel(this);
+    QSortFilterProxyModel *proxyModel = new QSortFilterProxyModel(this);
+    proxyModel->setSourceModel(serviceModel);
+    proxyModel->setSortRole(Qt::DisplayRole);
+    proxyModel->setSortCaseSensitivity(Qt::CaseInsensitive);
+
+    m_listView->setModel(proxyModel);
+    m_listView->setVerticalScrollMode(QListView::ScrollPerPixel);
+    m_listView->setUniformItemSizes(true);
+
+    QLabel *localFileSizeLabel = new QLabel(i18n("Skip previews for local files above:"), this);
+
+    m_localFileSizeBox = new QSpinBox(this);
+    m_localFileSizeBox->setSingleStep(1);
+    m_localFileSizeBox->setSuffix(i18nc("Mebibytes; used as a suffix in a spinbox showing e.g. '3 MiB'", " MiB"));
+    m_localFileSizeBox->setRange(0, 9999999); /* MB */
+    m_localFileSizeBox->setSpecialValueText(i18n("No limit"));
+
+    QHBoxLayout *localFileSizeBoxLayout = new QHBoxLayout();
+    localFileSizeBoxLayout->addWidget(localFileSizeLabel);
+    localFileSizeBoxLayout->addStretch(0);
+    localFileSizeBoxLayout->addWidget(m_localFileSizeBox);
+
+    QLabel *remoteFileSizeLabel = new QLabel(i18nc("@label", "Skip previews for remote files above:"), this);
+
+    m_remoteFileSizeBox = new QSpinBox(this);
+    m_remoteFileSizeBox->setSingleStep(1);
+    m_remoteFileSizeBox->setSuffix(i18nc("Mebibytes; used as a suffix in a spinbox showing e.g. '3 MiB'", " MiB"));
+    m_remoteFileSizeBox->setRange(0, 9999999); /* MB */
+    m_remoteFileSizeBox->setSpecialValueText(i18n("No previews"));
+
+    QHBoxLayout *remoteFileSizeBoxLayout = new QHBoxLayout();
+    remoteFileSizeBoxLayout->addWidget(remoteFileSizeLabel);
+    remoteFileSizeBoxLayout->addStretch(0);
+    remoteFileSizeBoxLayout->addWidget(m_remoteFileSizeBox);
+
+    topLayout->addWidget(showPreviewsLabel);
+    topLayout->addWidget(m_listView);
+    topLayout->addLayout(localFileSizeBoxLayout);
+    topLayout->addLayout(remoteFileSizeBoxLayout);
+
+    loadSettings();
+
+    connect(m_listView, &QListView::clicked, this, &PreviewsSettingsPage::changed);
+    connect(m_localFileSizeBox, &QSpinBox::valueChanged, this, &PreviewsSettingsPage::changed);
+    connect(m_remoteFileSizeBox, &QSpinBox::valueChanged, this, &PreviewsSettingsPage::changed);
+}
+
+PreviewsSettingsPage::~PreviewsSettingsPage()
+{
+}
+
+void PreviewsSettingsPage::applySettings()
+{
+    const QAbstractItemModel *model = m_listView->model();
+    const int rowCount = model->rowCount();
+    if (rowCount > 0) {
+        m_enabledPreviewPlugins.clear();
+        for (int i = 0; i < rowCount; ++i) {
+            const QModelIndex index = model->index(i, 0);
+            const bool checked = model->data(index, Qt::CheckStateRole).value<Qt::CheckState>() == Qt::Checked;
+            if (checked) {
+                const QString enabledPlugin = model->data(index, Qt::UserRole).toString();
+                m_enabledPreviewPlugins.append(enabledPlugin);
+            }
+        }
+    }
+
+    KConfigGroup globalConfig(KSharedConfig::openConfig(), QStringLiteral("PreviewSettings"));
+    globalConfig.writeEntry("Plugins", m_enabledPreviewPlugins);
+
+    if (!m_localFileSizeBox->value()) {
+        globalConfig.deleteEntry("MaximumSize", KConfigBase::Normal | KConfigBase::Global);
+    } else {
+        const qulonglong maximumLocalSize = static_cast<qulonglong>(m_localFileSizeBox->value()) * 1024 * 1024;
+        globalConfig.writeEntry("MaximumSize", maximumLocalSize, KConfigBase::Normal | KConfigBase::Global);
+    }
+
+    const qulonglong maximumRemoteSize = static_cast<qulonglong>(m_remoteFileSizeBox->value()) * 1024 * 1024;
+    globalConfig.writeEntry("MaximumRemoteSize", maximumRemoteSize, KConfigBase::Normal | KConfigBase::Global);
+
+    globalConfig.sync();
+}
+
+void PreviewsSettingsPage::restoreDefaults()
+{
+    m_localFileSizeBox->setValue(DefaultMaxLocalPreviewSize);
+    m_remoteFileSizeBox->setValue(DefaultMaxRemotePreviewSize);
+}
+
+void PreviewsSettingsPage::showEvent(QShowEvent *event)
+{
+    if (!event->spontaneous() && !m_initialized) {
+        loadPreviewPlugins();
+        m_initialized = true;
+    }
+    SettingsPageBase::showEvent(event);
+}
+
+void PreviewsSettingsPage::loadPreviewPlugins()
+{
+    QAbstractItemModel *model = m_listView->model();
+
+    const QVector<KPluginMetaData> plugins = KIO::PreviewJob::availableThumbnailerPlugins();
+    for (const KPluginMetaData &plugin : plugins) {
+        const bool show = m_enabledPreviewPlugins.contains(plugin.pluginId());
+
+        model->insertRow(0);
+        const QModelIndex index = model->index(0, 0);
+        model->setData(index, show ? Qt::Checked : Qt::Unchecked, Qt::CheckStateRole);
+        model->setData(index, plugin.name(), Qt::DisplayRole);
+        model->setData(index, plugin.pluginId(), ServiceModel::DesktopEntryNameRole);
+    }
+
+    model->sort(Qt::DisplayRole);
+}
+
+void PreviewsSettingsPage::loadSettings()
+{
+    const KConfigGroup globalConfig(KSharedConfig::openConfig(), QStringLiteral("PreviewSettings"));
+    m_enabledPreviewPlugins = globalConfig.readEntry("Plugins", KIO::PreviewJob::defaultPlugins());
+
+    const qulonglong defaultLocalPreview = static_cast<qulonglong>(DefaultMaxLocalPreviewSize) * 1024 * 1024;
+    const qulonglong maxLocalByteSize = globalConfig.readEntry("MaximumSize", defaultLocalPreview);
+    const int maxLocalMByteSize = maxLocalByteSize / (1024 * 1024);
+    m_localFileSizeBox->setValue(maxLocalMByteSize);
+
+    const qulonglong defaultRemotePreview = static_cast<qulonglong>(DefaultMaxRemotePreviewSize) * 1024 * 1024;
+    const qulonglong maxRemoteByteSize = globalConfig.readEntry("MaximumRemoteSize", defaultRemotePreview);
+    const int maxRemoteMByteSize = maxRemoteByteSize / (1024 * 1024);
+    m_remoteFileSizeBox->setValue(maxRemoteMByteSize);
+}
+
+#include "moc_previewssettingspage.cpp"