kwin/kcmkwin/kwintabbox/layoutpreview.cpp

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/********************************************************************
KWin - the KDE window manager
This file is part of the KDE project.
Copyright (C) 2009, 2011 Martin Gräßlin <mgraesslin@kde.org>
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, see <http://www.gnu.org/licenses/>.
*********************************************************************/
// own
#include "layoutpreview.h"
#include "thumbnailitem.h"
#include <QQmlContext>
#include <QtCore/QStandardPaths>
#include <KDE/KConfigGroup>
#include <KDE/KDesktopFile>
#include <KDE/KIcon>
#include <KDE/KIconEffect>
#include <KDE/KIconLoader>
#include <KDE/KLocalizedString>
#include <KDE/KService>
namespace KWin
{
namespace TabBox
{
LayoutPreview::LayoutPreview(QWindow *parent)
: QQuickView(parent)
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{
setColor(Qt::white);
setMinimumSize(QSize(480, 300));
setResizeMode(QQuickView::SizeRootObjectToView);
foreach (const QString &importPath, QStandardPaths::locateAll(QStandardPaths::GenericDataLocation, "kwin/tabbox", QStandardPaths::LocateDirectory)) {
engine()->addImportPath(importPath);
}
ExampleClientModel *model = new ExampleClientModel(this);
engine()->addImageProvider(QLatin1String("client"), new TabBoxImageProvider(model));
qmlRegisterType<WindowThumbnailItem>("org.kde.kwin", 0, 1, "ThumbnailItem");
rootContext()->setContextProperty("clientModel", model);
rootContext()->setContextProperty("sourcePath", QString());
rootContext()->setContextProperty("name", QString());
setSource(QUrl::fromLocalFile(QStandardPaths::locate(QStandardPaths::GenericDataLocation, "kwin/kcm_kwintabbox/main.qml")));
}
LayoutPreview::~LayoutPreview()
{
}
void LayoutPreview::setLayout(const QString &path, const QString &name)
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{
rootContext()->setContextProperty("sourcePath", path);
rootContext()->setContextProperty("name", name);
}
TabBoxImageProvider::TabBoxImageProvider(QAbstractListModel* model)
: QQuickImageProvider(QQuickImageProvider::Pixmap)
, m_model(model)
{
}
QPixmap TabBoxImageProvider::requestPixmap(const QString &id, QSize *size, const QSize &requestedSize)
{
bool ok = false;
QStringList parts = id.split('/');
const int index = parts.first().toInt(&ok);
if (!ok) {
return QQuickImageProvider::requestPixmap(id, size, requestedSize);
}
QSize s(32, 32);
if (requestedSize.isValid()) {
s = requestedSize;
}
*size = s;
QPixmap icon(KIcon(m_model->data(m_model->index(index), Qt::UserRole+3).toString()).pixmap(s));
if (parts.size() > 2) {
KIconEffect *effect = KIconLoader::global()->iconEffect();
KIconLoader::States state = KIconLoader::DefaultState;
if (parts.at(2) == QLatin1String("selected")) {
state = KIconLoader::ActiveState;
} else if (parts.at(2) == QLatin1String("disabled")) {
state = KIconLoader::DisabledState;
}
icon = effect->apply(icon, KIconLoader::Desktop, state);
}
return icon;
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}
ExampleClientModel::ExampleClientModel (QObject* parent)
: QAbstractListModel (parent)
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{
QHash<int, QByteArray> roles;
roles[Qt::UserRole] = "caption";
roles[Qt::UserRole+1] = "minimized";
roles[Qt::UserRole+2] = "desktopName";
roles[Qt::UserRole+4] = "windowId";
setRoleNames(roles);
init();
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}
ExampleClientModel::~ExampleClientModel()
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{
}
void ExampleClientModel::init()
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{
QList<QString> applications;
applications << "konqbrowser" << "KMail2" << "systemsettings" << "dolphin";
foreach (const QString& application, applications) {
KService::Ptr service = KService::serviceByStorageId("kde4-" + application + ".desktop");
if (service) {
m_nameList << service->entryPath();
}
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}
}
QVariant ExampleClientModel::data(const QModelIndex &index, int role) const
{
if (!index.isValid()) {
return QVariant();
}
switch (role) {
case Qt::DisplayRole:
case Qt::UserRole:
return KDesktopFile(m_nameList.at(index.row())).readName();
case Qt::UserRole+1:
return false;
case Qt::UserRole+2:
return i18nc("An example Desktop Name", "Desktop 1");
case Qt::UserRole+3:
return KDesktopFile(m_nameList.at(index.row())).readIcon();
case Qt::UserRole+4:
const QString desktopFile = KDesktopFile(m_nameList.at(index.row())).fileName().split('/').last();
if (desktopFile == "konqbrowser.desktop") {
return WindowThumbnailItem::Konqueror;
} else if (desktopFile == "KMail2.desktop") {
return WindowThumbnailItem::KMail;
} else if (desktopFile == "systemsettings.desktop") {
return WindowThumbnailItem::Systemsettings;
} else if (desktopFile == "dolphin.desktop") {
return WindowThumbnailItem::Dolphin;
}
return 0;
}
return QVariant();
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}
int ExampleClientModel::rowCount(const QModelIndex &parent) const
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{
Q_UNUSED(parent)
return m_nameList.size();
}
} // namespace KWin
} // namespace TabBox