1 /*
2 * SPDX-FileCopyrightText: 2006 Peter Penz <peter.penz19@gmail.com>
3 *
4 * SPDX-License-Identifier: GPL-2.0-or-later
5 */
6
7 #include "previewssettingspage.h"
8
9 #include "dolphin_generalsettings.h"
10 #include "configurepreviewplugindialog.h"
11 #include "settings/serviceitemdelegate.h"
12 #include "settings/servicemodel.h"
13
14 #include <KIO/PreviewJob>
15 #include <KLocalizedString>
16 #include <KServiceTypeTrader>
17
18 #include <QHBoxLayout>
19 #include <QLabel>
20 #include <QListView>
21 #include <QPainter>
22 #include <QScroller>
23 #include <QShowEvent>
24 #include <QSortFilterProxyModel>
25 #include <QSpinBox>
26
27 // default settings
28 namespace {
29 const int DefaultMaxLocalPreviewSize = 0; // 0 MB
30 const int DefaultMaxRemotePreviewSize = 0; // 0 MB
31 }
32
PreviewsSettingsPage(QWidget * parent)33 PreviewsSettingsPage::PreviewsSettingsPage(QWidget* parent) :
34 SettingsPageBase(parent),
35 m_initialized(false),
36 m_listView(nullptr),
37 m_enabledPreviewPlugins(),
38 m_localFileSizeBox(nullptr),
39 m_remoteFileSizeBox(nullptr)
40 {
41 QVBoxLayout* topLayout = new QVBoxLayout(this);
42
43 QLabel* showPreviewsLabel = new QLabel(i18nc("@title:group", "Show previews in the view for:"), this);
44
45 m_listView = new QListView(this);
46 QScroller::grabGesture(m_listView->viewport(), QScroller::TouchGesture);
47
48 ServiceItemDelegate* delegate = new ServiceItemDelegate(m_listView, m_listView);
49 connect(delegate, &ServiceItemDelegate::requestServiceConfiguration,
50 this, &PreviewsSettingsPage::configureService);
51
52 ServiceModel* serviceModel = new ServiceModel(this);
53 QSortFilterProxyModel* proxyModel = new QSortFilterProxyModel(this);
54 proxyModel->setSourceModel(serviceModel);
55 proxyModel->setSortRole(Qt::DisplayRole);
56 proxyModel->setSortCaseSensitivity(Qt::CaseInsensitive);
57
58 m_listView->setModel(proxyModel);
59 m_listView->setItemDelegate(delegate);
60 m_listView->setVerticalScrollMode(QListView::ScrollPerPixel);
61 m_listView->setUniformItemSizes(true);
62
63 QLabel* localFileSizeLabel = new QLabel(i18n("Skip previews for local files above:"), this);
64
65 m_localFileSizeBox = new QSpinBox(this);
66 m_localFileSizeBox->setSingleStep(1);
67 m_localFileSizeBox->setSuffix(i18nc("Mebibytes; used as a suffix in a spinbox showing e.g. '3 MiB'", " MiB"));
68 m_localFileSizeBox->setRange(0, 9999999); /* MB */
69 m_localFileSizeBox->setSpecialValueText(i18n("No limit"));
70
71 QHBoxLayout* localFileSizeBoxLayout = new QHBoxLayout();
72 localFileSizeBoxLayout->addWidget(localFileSizeLabel);
73 localFileSizeBoxLayout->addStretch(0);
74 localFileSizeBoxLayout->addWidget(m_localFileSizeBox);
75
76 QLabel* remoteFileSizeLabel = new QLabel(i18nc("@label", "Skip previews for remote files above:"), this);
77
78 m_remoteFileSizeBox = new QSpinBox(this);
79 m_remoteFileSizeBox->setSingleStep(1);
80 m_remoteFileSizeBox->setSuffix(i18nc("Mebibytes; used as a suffix in a spinbox showing e.g. '3 MiB'", " MiB"));
81 m_remoteFileSizeBox->setRange(0, 9999999); /* MB */
82 m_remoteFileSizeBox->setSpecialValueText(i18n("No previews"));
83
84 QHBoxLayout* remoteFileSizeBoxLayout = new QHBoxLayout();
85 remoteFileSizeBoxLayout->addWidget(remoteFileSizeLabel);
86 remoteFileSizeBoxLayout->addStretch(0);
87 remoteFileSizeBoxLayout->addWidget(m_remoteFileSizeBox);
88
89 topLayout->addWidget(showPreviewsLabel);
90 topLayout->addWidget(m_listView);
91 topLayout->addLayout(localFileSizeBoxLayout);
92 topLayout->addLayout(remoteFileSizeBoxLayout);
93
94 loadSettings();
95
96 connect(m_listView, &QListView::clicked, this, &PreviewsSettingsPage::changed);
97 connect(m_localFileSizeBox, QOverload<int>::of(&QSpinBox::valueChanged), this, &PreviewsSettingsPage::changed);
98 connect(m_remoteFileSizeBox, QOverload<int>::of(&QSpinBox::valueChanged), this, &PreviewsSettingsPage::changed);
99 }
100
~PreviewsSettingsPage()101 PreviewsSettingsPage::~PreviewsSettingsPage()
102 {
103 }
104
applySettings()105 void PreviewsSettingsPage::applySettings()
106 {
107 const QAbstractItemModel* model = m_listView->model();
108 const int rowCount = model->rowCount();
109 if (rowCount > 0) {
110 m_enabledPreviewPlugins.clear();
111 for (int i = 0; i < rowCount; ++i) {
112 const QModelIndex index = model->index(i, 0);
113 const bool checked = model->data(index, Qt::CheckStateRole).toBool();
114 if (checked) {
115 const QString enabledPlugin = model->data(index, Qt::UserRole).toString();
116 m_enabledPreviewPlugins.append(enabledPlugin);
117 }
118 }
119 }
120
121 KConfigGroup globalConfig(KSharedConfig::openConfig(), QStringLiteral("PreviewSettings"));
122 globalConfig.writeEntry("Plugins", m_enabledPreviewPlugins);
123
124 if (!m_localFileSizeBox->value()) {
125 globalConfig.deleteEntry("MaximumSize", KConfigBase::Normal | KConfigBase::Global);
126 } else {
127 const qulonglong maximumLocalSize = static_cast<qulonglong>(m_localFileSizeBox->value()) * 1024 * 1024;
128 globalConfig.writeEntry("MaximumSize",
129 maximumLocalSize,
130 KConfigBase::Normal | KConfigBase::Global);
131 }
132
133 const qulonglong maximumRemoteSize = static_cast<qulonglong>(m_remoteFileSizeBox->value()) * 1024 * 1024;
134 globalConfig.writeEntry("MaximumRemoteSize",
135 maximumRemoteSize,
136 KConfigBase::Normal | KConfigBase::Global);
137
138 globalConfig.sync();
139 }
140
restoreDefaults()141 void PreviewsSettingsPage::restoreDefaults()
142 {
143 m_localFileSizeBox->setValue(DefaultMaxLocalPreviewSize);
144 m_remoteFileSizeBox->setValue(DefaultMaxRemotePreviewSize);
145 }
146
showEvent(QShowEvent * event)147 void PreviewsSettingsPage::showEvent(QShowEvent* event)
148 {
149 if (!event->spontaneous() && !m_initialized) {
150 loadPreviewPlugins();
151 m_initialized = true;
152 }
153 SettingsPageBase::showEvent(event);
154 }
155
configureService(const QModelIndex & index)156 void PreviewsSettingsPage::configureService(const QModelIndex& index)
157 {
158 const QAbstractItemModel* model = index.model();
159 const QString pluginName = model->data(index).toString();
160 const QString desktopEntryName = model->data(index, ServiceModel::DesktopEntryNameRole).toString();
161
162 ConfigurePreviewPluginDialog* dialog = new ConfigurePreviewPluginDialog(pluginName, desktopEntryName, this);
163 dialog->setAttribute(Qt::WA_DeleteOnClose);
164 dialog->show();
165 }
166
loadPreviewPlugins()167 void PreviewsSettingsPage::loadPreviewPlugins()
168 {
169 QAbstractItemModel* model = m_listView->model();
170
171 const KService::List plugins = KServiceTypeTrader::self()->query(QStringLiteral("ThumbCreator"));
172 for (const KService::Ptr& service : plugins) {
173 const bool configurable = service->property(QStringLiteral("Configurable"), QVariant::Bool).toBool();
174 const bool show = m_enabledPreviewPlugins.contains(service->desktopEntryName());
175
176 model->insertRow(0);
177 const QModelIndex index = model->index(0, 0);
178 model->setData(index, show, Qt::CheckStateRole);
179 model->setData(index, configurable, ServiceModel::ConfigurableRole);
180 model->setData(index, service->name(), Qt::DisplayRole);
181 model->setData(index, service->desktopEntryName(), ServiceModel::DesktopEntryNameRole);
182 }
183
184 model->sort(Qt::DisplayRole);
185 }
186
loadSettings()187 void PreviewsSettingsPage::loadSettings()
188 {
189 const KConfigGroup globalConfig(KSharedConfig::openConfig(), QStringLiteral("PreviewSettings"));
190 m_enabledPreviewPlugins = globalConfig.readEntry("Plugins", KIO::PreviewJob::defaultPlugins());
191
192 const qulonglong defaultLocalPreview = static_cast<qulonglong>(DefaultMaxLocalPreviewSize) * 1024 * 1024;
193 const qulonglong maxLocalByteSize = globalConfig.readEntry("MaximumSize", defaultLocalPreview);
194 const int maxLocalMByteSize = maxLocalByteSize / (1024 * 1024);
195 m_localFileSizeBox->setValue(maxLocalMByteSize);
196
197 const qulonglong defaultRemotePreview = static_cast<qulonglong>(DefaultMaxRemotePreviewSize) * 1024 * 1024;
198 const qulonglong maxRemoteByteSize = globalConfig.readEntry("MaximumRemoteSize", defaultRemotePreview);
199 const int maxRemoteMByteSize = maxRemoteByteSize / (1024 * 1024);
200 m_remoteFileSizeBox->setValue(maxRemoteMByteSize);
201 }
202