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/***************************************************************************
* Copyright (C) 2006 by Peter Penz <[email protected]> *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA *
***************************************************************************/
#include "previewssettingspage.h"
#include "dolphinsettings.h"
#include "dolphin_generalsettings.h"
#include <QCheckBox>
#include <QEvent>
#include <QGroupBox>
#include <QLabel>
#include <QListWidget>
#include <QRadioButton>
#include <QSlider>
#include <QSpinBox>
#include <QBoxLayout>
#include <kconfiggroup.h>
#include <kdialog.h>
#include <kglobal.h>
#include <klocale.h>
#include <khbox.h>
#include <kservicetypetrader.h>
#include <kservice.h>
#include <kvbox.h>
// default settings
const bool USE_THUMBNAILS = true;
const int MAX_PREVIEW_SIZE = 5; // 5 MB
PreviewsSettingsPage::PreviewsSettingsPage(QWidget* parent) :
SettingsPageBase(parent),
m_initialized(false),
m_previewPluginsList(0),
m_enabledPreviewPlugins(),
m_maxPreviewSize(0),
m_spinBox(0),
m_useFileThumbnails(0)
{
QVBoxLayout* topLayout = new QVBoxLayout(this);
topLayout->setSpacing(KDialog::spacingHint());
topLayout->setMargin(KDialog::marginHint());
QLabel* listDescription = new QLabel(i18nc("@label", "Show previews for:"), this);
m_previewPluginsList = new QListWidget(this);
m_previewPluginsList->setSortingEnabled(true);
m_previewPluginsList->setSelectionMode(QAbstractItemView::NoSelection);
connect(m_previewPluginsList, SIGNAL(itemClicked(QListWidgetItem*)),
this, SIGNAL(changed()));
KHBox* hBox = new KHBox(this);
hBox->setSpacing(KDialog::spacingHint());
new QLabel(i18nc("@label:slider", "Maximum file size:"), hBox);
m_maxPreviewSize = new QSlider(Qt::Horizontal, hBox);
m_maxPreviewSize->setPageStep(10);
m_maxPreviewSize->setSingleStep(1);
m_maxPreviewSize->setTickPosition(QSlider::TicksBelow);
m_maxPreviewSize->setRange(1, 100); /* MB */
m_spinBox = new QSpinBox(hBox);
m_spinBox->setSingleStep(1);
m_spinBox->setSuffix(" MB");
m_spinBox->setRange(1, 100); /* MB */
connect(m_maxPreviewSize, SIGNAL(valueChanged(int)),
m_spinBox, SLOT(setValue(int)));
connect(m_spinBox, SIGNAL(valueChanged(int)),
m_maxPreviewSize, SLOT(setValue(int)));
connect(m_maxPreviewSize, SIGNAL(valueChanged(int)),
this, SIGNAL(changed()));
connect(m_spinBox, SIGNAL(valueChanged(int)),
this, SIGNAL(changed()));
m_useFileThumbnails = new QCheckBox(i18nc("@option:check", "Use thumbnails embedded in files"), this);
connect(m_useFileThumbnails, SIGNAL(toggled(bool)), this, SIGNAL(changed()));
topLayout->addWidget(listDescription);
topLayout->addWidget(m_previewPluginsList);
topLayout->addWidget(hBox);
topLayout->addWidget(m_useFileThumbnails);
loadSettings();
}
PreviewsSettingsPage::~PreviewsSettingsPage()
{
}
void PreviewsSettingsPage::applySettings()
{
m_enabledPreviewPlugins.clear();
const int count = m_previewPluginsList->count();
for (int i = 0; i < count; ++i) {
const QListWidgetItem* item = m_previewPluginsList->item(i);
if (item->checkState() == Qt::Checked) {
const QString enabledPlugin = item->data(Qt::UserRole).toString();
m_enabledPreviewPlugins.append(enabledPlugin);
}
}
KConfigGroup globalConfig(KGlobal::config(), "PreviewSettings");
globalConfig.writeEntry("Plugins", m_enabledPreviewPlugins);
const int byteCount = m_maxPreviewSize->value() * 1024 * 1024; // value() returns size in MB
globalConfig.writeEntry("MaximumSize",
byteCount,
KConfigBase::Normal | KConfigBase::Global);
globalConfig.writeEntry("UseFileThumbnails",
m_useFileThumbnails->isChecked(),
KConfigBase::Normal | KConfigBase::Global);
globalConfig.sync();
}
void PreviewsSettingsPage::restoreDefaults()
{
m_maxPreviewSize->setValue(MAX_PREVIEW_SIZE);
m_useFileThumbnails->setChecked(USE_THUMBNAILS);
}
bool PreviewsSettingsPage::event(QEvent* event)
{
if ((event->type() == QEvent::Polish) && !m_initialized) {
// load all available plugins for previews
const KService::List plugins = KServiceTypeTrader::self()->query("ThumbCreator");
foreach (const KSharedPtr<KService> service, plugins) {
QListWidgetItem* item = new QListWidgetItem(service->name(),
m_previewPluginsList);
item->setData(Qt::UserRole, service->desktopEntryName());
const bool show = m_enabledPreviewPlugins.contains(service->desktopEntryName());
item->setCheckState(show ? Qt::Checked : Qt::Unchecked);
}
m_initialized = true;
}
return SettingsPageBase::event(event);
}
void PreviewsSettingsPage::loadSettings()
{
KConfigGroup globalConfig(KGlobal::config(), "PreviewSettings");
m_enabledPreviewPlugins = globalConfig.readEntry("Plugins", QStringList()
<< "directorythumbnail"
<< "imagethumbnail"
<< "jpegthumbnail");
// TODO: The default value of 5 MB must match with the default value inside
// kdelibs/kio/kio/previewjob.cpp. Maybe a static getter method in PreviewJob
// should be added for getting the default size?
const int min = 1; // MB
const int max = 100; // MB
const int maxByteSize = globalConfig.readEntry("MaximumSize", MAX_PREVIEW_SIZE * 1024 * 1024);
int maxMByteSize = maxByteSize / (1024 * 1024);
if (maxMByteSize < min) {
maxMByteSize = min;
} else if (maxMByteSize > max) {
maxMByteSize = max;
}
m_maxPreviewSize->setValue(maxMByteSize);
const bool useFileThumbnails = globalConfig.readEntry("UseFileThumbnails", USE_THUMBNAILS);
m_useFileThumbnails->setChecked(useFileThumbnails);
}
#include "previewssettingspage.moc"
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