Provide ability to configure size cut-off for local file previews

[dolphin.git] / src / settings / general / previewssettingspage.cpp

diff --git a/src/settings/general/previewssettingspage.cpp b/src/settings/general/previewssettingspage.cpp
index 07cd73e33e9676f96c7f6d8d81f8eace297c94c8..3e435b53c8b46d07475ca34c6e40358a09d74f8b 100644 (file)
--- a/src/settings/general/previewssettingspage.cpp
+++ b/src/settings/general/previewssettingspage.cpp
@@ -21,43 +21,38 @@
 
 #include "dolphin_generalsettings.h"
 #include "configurepreviewplugindialog.h"
+#include "settings/serviceitemdelegate.h"
+#include "settings/servicemodel.h"
 
-#include <KConfigGroup>
+#include <KIO/PreviewJob>
 #include <KLocalizedString>
 #include <KServiceTypeTrader>
-#include <KService>
 
-#include <settings/serviceitemdelegate.h>
-#include <settings/servicemodel.h>
-
-#include <QCheckBox>
-#include <QGroupBox>
 #include <QHBoxLayout>
 #include <QLabel>
 #include <QListView>
 #include <QPainter>
-#include <QScrollBar>
 #include <QShowEvent>
-#include <QSlider>
-#include <QSpinBox>
 #include <QSortFilterProxyModel>
-#include <QVBoxLayout>
+#include <QSpinBox>
 
 // default settings
 namespace {
-    const int MaxRemotePreviewSize = 0; // 0 MB
+    const int DefaultMaxLocalPreviewSize = 0; // 0 MB
+    const int DefaultMaxRemotePreviewSize = 0; // 0 MB
 }
 
 PreviewsSettingsPage::PreviewsSettingsPage(QWidget* parent) :
     SettingsPageBase(parent),
     m_initialized(false),
-    m_listView(0),
+    m_listView(nullptr),
     m_enabledPreviewPlugins(),
-    m_remoteFileSizeBox(0)
+    m_localFileSizeBox(nullptr),
+    m_remoteFileSizeBox(nullptr)
 {
     QVBoxLayout* topLayout = new QVBoxLayout(this);
 
-    QLabel* showPreviewsLabel = new QLabel(i18nc("@title:group", "Show previews for:"), this);
+    QLabel* showPreviewsLabel = new QLabel(i18nc("@title:group", "Show previews in the view for:"), this);
 
     m_listView = new QListView(this);
 
@@ -69,30 +64,48 @@ PreviewsSettingsPage::PreviewsSettingsPage(QWidget* parent) :
     QSortFilterProxyModel* proxyModel = new QSortFilterProxyModel(this);
     proxyModel->setSourceModel(serviceModel);
     proxyModel->setSortRole(Qt::DisplayRole);
+    proxyModel->setSortCaseSensitivity(Qt::CaseInsensitive);
 
     m_listView->setModel(proxyModel);
     m_listView->setItemDelegate(delegate);
     m_listView->setVerticalScrollMode(QListView::ScrollPerPixel);
 
+    QLabel* localFileSizeLabel = new QLabel(i18n("Skip previews for local files above:"), this);
+
+    m_localFileSizeBox = new QSpinBox(this);
+    m_localFileSizeBox->setSingleStep(1);
+    m_localFileSizeBox->setSuffix(QStringLiteral(" MB"));
+    m_localFileSizeBox->setRange(0, 9999999); /* MB */
+    m_localFileSizeBox->setSpecialValueText(tr("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(QLatin1String(" MB"));
+    m_remoteFileSizeBox->setSuffix(QStringLiteral(" MB"));
     m_remoteFileSizeBox->setRange(0, 9999999); /* MB */
+    m_remoteFileSizeBox->setSpecialValueText(tr("No previews"));
 
-    QHBoxLayout* fileSizeBoxLayout = new QHBoxLayout(this);
-    fileSizeBoxLayout->addWidget(remoteFileSizeLabel, 0, Qt::AlignRight);
-    fileSizeBoxLayout->addWidget(m_remoteFileSizeBox);
+    QHBoxLayout* remoteFileSizeBoxLayout = new QHBoxLayout();
+    remoteFileSizeBoxLayout->addWidget(remoteFileSizeLabel);
+    remoteFileSizeBoxLayout->addStretch(0);
+    remoteFileSizeBoxLayout->addWidget(m_remoteFileSizeBox);
 
     topLayout->addWidget(showPreviewsLabel);
     topLayout->addWidget(m_listView);
-    topLayout->addLayout(fileSizeBoxLayout);
+    topLayout->addLayout(localFileSizeBoxLayout);
+    topLayout->addLayout(remoteFileSizeBoxLayout);
 
     loadSettings();
 
     connect(m_listView, &QListView::clicked, this, &PreviewsSettingsPage::changed);
-    connect(m_remoteFileSizeBox, static_cast<void(QSpinBox::*)(int)>(&QSpinBox::valueChanged), this, &PreviewsSettingsPage::changed);
+    connect(m_localFileSizeBox, QOverload<int>::of(&QSpinBox::valueChanged), this, &PreviewsSettingsPage::changed);
+    connect(m_remoteFileSizeBox, QOverload<int>::of(&QSpinBox::valueChanged), this, &PreviewsSettingsPage::changed);
 }
 
 PreviewsSettingsPage::~PreviewsSettingsPage()
@@ -115,9 +128,14 @@ void PreviewsSettingsPage::applySettings()
         }
     }
 
-    KConfigGroup globalConfig(KSharedConfig::openConfig(), QLatin1String("PreviewSettings"));
+    KConfigGroup globalConfig(KSharedConfig::openConfig(), QStringLiteral("PreviewSettings"));
     globalConfig.writeEntry("Plugins", m_enabledPreviewPlugins);
 
+    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,
@@ -127,7 +145,8 @@ void PreviewsSettingsPage::applySettings()
 
 void PreviewsSettingsPage::restoreDefaults()
 {
-    m_remoteFileSizeBox->setValue(MaxRemotePreviewSize);
+    m_localFileSizeBox->setValue(DefaultMaxLocalPreviewSize);
+    m_remoteFileSizeBox->setValue(DefaultMaxRemotePreviewSize);
 }
 
 void PreviewsSettingsPage::showEvent(QShowEvent* event)
@@ -154,9 +173,9 @@ void PreviewsSettingsPage::loadPreviewPlugins()
 {
     QAbstractItemModel* model = m_listView->model();
 
-    const KService::List plugins = KServiceTypeTrader::self()->query(QLatin1String("ThumbCreator"));
+    const KService::List plugins = KServiceTypeTrader::self()->query(QStringLiteral("ThumbCreator"));
     foreach (const KService::Ptr& service, plugins) {
-        const bool configurable = service->property("Configurable", QVariant::Bool).toBool();
+        const bool configurable = service->property(QStringLiteral("Configurable"), QVariant::Bool).toBool();
         const bool show = m_enabledPreviewPlugins.contains(service->desktopEntryName());
 
         model->insertRow(0);
@@ -172,15 +191,16 @@ void PreviewsSettingsPage::loadPreviewPlugins()
 
 void PreviewsSettingsPage::loadSettings()
 {
-    KConfigGroup globalConfig(KSharedConfig::openConfig(), "PreviewSettings");
-    m_enabledPreviewPlugins = globalConfig.readEntry("Plugins", QStringList()
-                                                     << QLatin1String("directorythumbnail")
-                                                     << QLatin1String("imagethumbnail")
-                                                     << QLatin1String("jpegthumbnail"));
+    const KConfigGroup globalConfig(KSharedConfig::openConfig(), QStringLiteral("PreviewSettings"));
+    m_enabledPreviewPlugins = globalConfig.readEntry("Plugins", KIO::PreviewJob::defaultPlugins());
 
-    const qulonglong defaultRemotePreview = static_cast<qulonglong>(MaxRemotePreviewSize) * 1024 * 1024;
+    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);
 }
-