469 lines
18 KiB
C++
469 lines
18 KiB
C++
/********************************************************************
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KWin - the KDE window manager
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This file is part of the KDE project.
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Copyright (C) 2009 Martin Gräßlin <kde@martin-graesslin.com>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*********************************************************************/
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#include "decorationmodel.h"
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#include "preview.h"
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// kwin
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#include <kdecorationfactory.h>
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// Qt
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#include <QtCore/QDir>
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#include <QtCore/QFileInfo>
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#include <QtGui/QApplication>
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#include <QtGui/QPainter>
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#include <QtGui/QStyle>
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#include <QtGui/QTextDocument>
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// KDE
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#include <KConfigGroup>
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#include <KDesktopFile>
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#include <KGlobalSettings>
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#include <KIcon>
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#include <KLocale>
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#include <KServiceTypeTrader>
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#include <KStandardDirs>
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#include <KPluginInfo>
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#include "kwindecoration.h"
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/* WARNING -------------------------------------------------------------------------
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* it is *ABSOLUTELY* mandatory to manage loadPlugin() and destroyPreviousPlugin()
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* using disablePreview()
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*
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* loadPlugin() moves the present factory pointer to "old_fact" which is then deleted
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* by the succeeding destroyPreviousPlugin()
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*
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* So if you loaded a new plugin and that changed the current factory, call disablePreview()
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* BEFORE the following destroyPreviousPlugin() destroys the factory for the current m_preview->deco->factory
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* (which is invoked on deco deconstruction)
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* WARNING ------------------------------------------------------------------------ */
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namespace KWin
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{
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DecorationModel::DecorationModel(KSharedConfigPtr config, QObject* parent)
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: QAbstractListModel(parent)
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, m_plugins(new KDecorationPreviewPlugins(config))
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, m_preview(new KDecorationPreview())
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, m_customButtons(false)
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, m_leftButtons(QString())
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, m_rightButtons(QString())
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, m_renderWidget(new QWidget(0))
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{
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QHash<int, QByteArray> roleNames;
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roleNames[Qt::DisplayRole] = "display";
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roleNames[DecorationModel::PixmapRole] = "preview";
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roleNames[TypeRole] = "type";
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roleNames[AuroraeNameRole] = "auroraeThemeName";
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roleNames[QmlMainScriptRole] = "mainScript";
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roleNames[BorderSizeRole] = "borderSize";
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roleNames[ButtonSizeRole] = "buttonSize";
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setRoleNames(roleNames);
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m_config = KSharedConfig::openConfig("auroraerc");
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findDecorations();
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}
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DecorationModel::~DecorationModel()
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{
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delete m_preview;
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delete m_plugins;
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delete m_renderWidget;
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}
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void DecorationModel::reload()
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{
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m_decorations.clear();
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findDecorations();
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}
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// Find all theme desktop files in all 'data' dirs owned by kwin.
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// And insert these into a DecorationInfo structure
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void DecorationModel::findDecorations()
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{
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beginResetModel();
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const QStringList dirList = KGlobal::dirs()->findDirs("data", "kwin");
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foreach (const QString & dir, dirList) {
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QDir d(dir);
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if (d.exists()) {
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foreach (const QFileInfo & fi, d.entryInfoList()) {
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const QString filename(fi.absoluteFilePath());
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if (KDesktopFile::isDesktopFile(filename)) {
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const KDesktopFile desktopFile(filename);
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const QString libName = desktopFile.desktopGroup().readEntry("X-KDE-Library");
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if (!libName.isEmpty() && libName.startsWith(QLatin1String("kwin3_"))) {
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if (libName == "kwin3_aurorae") {
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// read the Aurorae themes
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findAuroraeThemes();
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continue;
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}
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if (!m_plugins->canLoad(libName))
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continue;
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DecorationModelData data;
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data.name = desktopFile.readName();
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data.libraryName = libName;
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data.type = DecorationModelData::NativeDecoration;
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data.borderSize = KDecorationDefines::BorderNormal;
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data.closeDblClick = false;
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metaData(data, desktopFile);
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m_decorations.append(data);
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}
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}
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}
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}
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}
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KService::List offers = KServiceTypeTrader::self()->query("KWin/Decoration");
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foreach (KService::Ptr service, offers) {
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DecorationModelData data;
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data.name = service->name();
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data.libraryName = "kwin3_aurorae";
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data.type = DecorationModelData::QmlDecoration;
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data.auroraeName = service->property("X-KDE-PluginInfo-Name").toString();
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QString scriptName = service->property("X-Plasma-MainScript").toString();
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data.qmlPath = KStandardDirs::locate("data", "kwin/decorations/" + data.auroraeName + "/contents/" + scriptName);
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if (data.qmlPath.isEmpty()) {
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// not a valid QML theme
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continue;
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}
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KConfigGroup config(m_config, data.auroraeName);
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data.borderSize = (KDecorationDefines::BorderSize)config.readEntry< int >("BorderSize", KDecorationDefines::BorderNormal);
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data.buttonSize = (KDecorationDefines::BorderSize)config.readEntry< int >("ButtonSize", KDecorationDefines::BorderNormal);
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data.closeDblClick = config.readEntry< bool >("CloseOnDoubleClickMenuButton", true);
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data.comment = service->comment();
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KPluginInfo info(service);
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data.author = info.author();
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data.email= info.email();
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data.version = info.version();
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data.license = info.license();
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data.website = info.website();
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m_decorations.append(data);
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}
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qSort(m_decorations.begin(), m_decorations.end(), DecorationModelData::less);
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endResetModel();
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}
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void DecorationModel::findAuroraeThemes()
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{
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// get all desktop themes
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QStringList themes = KGlobal::dirs()->findAllResources("data",
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"aurorae/themes/*/metadata.desktop",
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KStandardDirs::NoDuplicates);
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foreach (const QString & theme, themes) {
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int themeSepIndex = theme.lastIndexOf('/', -1);
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QString themeRoot = theme.left(themeSepIndex);
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int themeNameSepIndex = themeRoot.lastIndexOf('/', -1);
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QString packageName = themeRoot.right(themeRoot.length() - themeNameSepIndex - 1);
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KDesktopFile df(theme);
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QString name = df.readName();
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if (name.isEmpty()) {
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name = packageName;
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}
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DecorationModelData data;
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data.name = name;
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data.libraryName = "kwin3_aurorae";
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data.type = DecorationModelData::AuroraeDecoration;
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data.auroraeName = packageName;
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KConfigGroup config(m_config, data.auroraeName);
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data.borderSize = (KDecorationDefines::BorderSize)config.readEntry< int >("BorderSize", KDecorationDefines::BorderNormal);
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data.buttonSize = (KDecorationDefines::BorderSize)config.readEntry< int >("ButtonSize", KDecorationDefines::BorderNormal);
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data.closeDblClick = config.readEntry< bool >("CloseOnDoubleClickMenuButton", true);
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metaData(data, df);
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m_decorations.append(data);
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}
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}
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void DecorationModel::metaData(DecorationModelData& data, const KDesktopFile& df)
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{
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data.comment = df.readComment();
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data.author = df.desktopGroup().readEntry("X-KDE-PluginInfo-Author", QString());
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data.email = df.desktopGroup().readEntry("X-KDE-PluginInfo-Email", QString());
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data.version = df.desktopGroup().readEntry("X-KDE-PluginInfo-Version", QString());
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data.license = df.desktopGroup().readEntry("X-KDE-PluginInfo-License", QString());
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data.website = df.desktopGroup().readEntry("X-KDE-PluginInfo-Website", QString());
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}
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int DecorationModel::rowCount(const QModelIndex& parent) const
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{
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Q_UNUSED(parent)
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return m_decorations.count();
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}
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QVariant DecorationModel::data(const QModelIndex& index, int role) const
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{
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if (!index.isValid())
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return QVariant();
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switch(role) {
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case Qt::DisplayRole:
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case NameRole:
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return m_decorations[ index.row()].name;
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case LibraryNameRole:
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return m_decorations[ index.row()].libraryName;
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case PixmapRole:
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return m_decorations[ index.row()].preview;
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case TypeRole:
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return m_decorations[ index.row()].type;
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case AuroraeNameRole:
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return m_decorations[ index.row()].auroraeName;
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case PackageDescriptionRole:
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return m_decorations[ index.row()].comment;
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case PackageAuthorRole:
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return m_decorations[ index.row()].author;
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case PackageEmailRole:
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return m_decorations[ index.row()].email;
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case PackageWebsiteRole:
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return m_decorations[ index.row()].website;
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case PackageVersionRole:
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return m_decorations[ index.row()].version;
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case PackageLicenseRole:
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return m_decorations[ index.row()].license;
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case BorderSizeRole:
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return static_cast< int >(m_decorations[ index.row()].borderSize);
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case BorderSizesRole: {
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QList< QVariant > sizes;
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const bool mustDisablePreview = m_plugins->factory() && m_plugins->factory() == m_preview->factory();
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if (m_plugins->loadPlugin(m_decorations[index.row()].libraryName) && m_plugins->factory()) {
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foreach (KDecorationDefines::BorderSize size, m_plugins->factory()->borderSizes()) // krazy:exclude=foreach
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sizes << int(size);
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if (mustDisablePreview) // it's nuked with destroyPreviousPlugin()
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m_preview->disablePreview(); // so we need to get rid of m_preview->deco first
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m_plugins->destroyPreviousPlugin();
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}
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return sizes;
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}
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case ButtonSizeRole:
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if (m_decorations[ index.row()].type == DecorationModelData::AuroraeDecoration ||
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m_decorations[ index.row()].type == DecorationModelData::QmlDecoration)
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return static_cast< int >(m_decorations[ index.row()].buttonSize);
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else
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return QVariant();
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case QmlMainScriptRole:
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return m_decorations[ index.row()].qmlPath;
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case CloseOnDblClickRole:
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return m_decorations[index.row()].closeDblClick;
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default:
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return QVariant();
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}
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}
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bool DecorationModel::setData(const QModelIndex& index, const QVariant& value, int role)
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{
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if (!index.isValid() || (role != BorderSizeRole && role != ButtonSizeRole && role != CloseOnDblClickRole))
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return QAbstractItemModel::setData(index, value, role);
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const DecorationModelData::DecorationType type = m_decorations[ index.row()].type;
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if (role == BorderSizeRole) {
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m_decorations[ index.row()].borderSize = (KDecorationDefines::BorderSize)value.toInt();
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if (type == DecorationModelData::AuroraeDecoration || type == DecorationModelData::QmlDecoration) {
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KConfigGroup config(m_config, m_decorations[ index.row()].auroraeName);
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config.writeEntry("BorderSize", value.toInt());
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config.sync();
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}
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emit dataChanged(index, index);
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emit configChanged(m_decorations[ index.row()].auroraeName);
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regeneratePreview(index);
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return true;
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}
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if (role == ButtonSizeRole && (type == DecorationModelData::AuroraeDecoration || type == DecorationModelData::QmlDecoration)) {
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m_decorations[ index.row()].buttonSize = (KDecorationDefines::BorderSize)value.toInt();
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KConfigGroup config(m_config, m_decorations[ index.row()].auroraeName);
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config.writeEntry("ButtonSize", value.toInt());
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config.sync();
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emit dataChanged(index, index);
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emit configChanged(m_decorations[ index.row()].auroraeName);
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regeneratePreview(index);
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return true;
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}
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if (role == CloseOnDblClickRole && (type == DecorationModelData::AuroraeDecoration || type == DecorationModelData::QmlDecoration)) {
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if (m_decorations[ index.row()].closeDblClick == value.toBool()) {
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return false;
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}
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m_decorations[ index.row()].closeDblClick = value.toBool();
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KConfigGroup config(m_config, m_decorations[ index.row()].auroraeName);
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config.writeEntry("CloseOnDoubleClickMenuButton", value.toBool());
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config.sync();
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emit dataChanged(index, index);
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emit configChanged(m_decorations[ index.row()].auroraeName);
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return true;
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}
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return QAbstractItemModel::setData(index, value, role);
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}
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void DecorationModel::changeButtons(const KWin::DecorationButtons *buttons)
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{
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bool regenerate = (buttons->customPositions() != m_customButtons);
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if (!regenerate && buttons->customPositions())
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regenerate = (buttons->leftButtons() != m_leftButtons) || (buttons->rightButtons() != m_rightButtons);
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m_customButtons = buttons->customPositions();
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m_leftButtons = buttons->leftButtons();
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m_rightButtons = buttons->rightButtons();
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if (regenerate)
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regeneratePreviews();
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}
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void DecorationModel::setButtons(bool custom, const QString& left, const QString& right)
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{
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m_customButtons = custom;
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m_leftButtons = left;
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m_rightButtons = right;
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}
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void DecorationModel::regenerateNextPreview()
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{
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if (m_nextPreviewIndex < m_lastUpdateIndex && m_nextPreviewIndex < m_decorations.count())
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regeneratePreview(index(m_nextPreviewIndex),
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QSize(qobject_cast<KWinDecorationModule*>(QObject::parent())->itemWidth(), 150));
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++m_nextPreviewIndex;
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if (m_nextPreviewIndex >= m_lastUpdateIndex && m_firstUpdateIndex > 0) {
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// do the above ones
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m_lastUpdateIndex = qMin(m_firstUpdateIndex, m_decorations.count());
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m_firstUpdateIndex = m_nextPreviewIndex = 0;
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}
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if (m_nextPreviewIndex < m_lastUpdateIndex)
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QMetaObject::invokeMethod(this, "regenerateNextPreview", Qt::QueuedConnection);
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}
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void DecorationModel::regeneratePreviews(int firstIndex)
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{
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m_firstUpdateIndex = firstIndex;
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m_lastUpdateIndex = m_decorations.count();
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m_nextPreviewIndex = firstIndex;
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regenerateNextPreview();
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}
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void DecorationModel::stopPreviewGeneration()
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{
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m_firstUpdateIndex = m_lastUpdateIndex = m_nextPreviewIndex = 0;
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}
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void DecorationModel::regeneratePreview(const QModelIndex& index, const QSize& size)
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{
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DecorationModelData& data = m_decorations[ index.row()];
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switch(data.type) {
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case DecorationModelData::NativeDecoration: {
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//Use a QTextDocument to layout the text
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QTextDocument document;
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QString html = QString("<strong>%1</strong>").arg(data.name);
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if (!data.author.isEmpty()) {
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QString authorCaption = i18nc("Caption to decoration preview, %1 author name",
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"by %1", data.author);
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html += QString("<br /><span style=\"font-size: %1pt;\">%2</span>")
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.arg(KGlobalSettings::smallestReadableFont().pointSize())
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.arg(authorCaption);
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}
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QColor color = QApplication::palette().brush(QPalette::Text).color();
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html = QString("<div style=\"color: %1\" align=\"center\">%2</div>").arg(color.name()).arg(html);
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document.setHtml(html);
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bool enabled = false;
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bool loaded;
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// m_preview->deco management is not required
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// either the deco loads and the following recreateDecoration will sanitize decos (on new factory)
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// or the deco does not load and destroyPreviousPlugin() is not called
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if ((loaded = m_plugins->loadPlugin(data.libraryName)) && m_preview->recreateDecoration(m_plugins)) {
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enabled = true;
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m_preview->enablePreview();
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} else {
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m_preview->disablePreview();
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}
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if (loaded)
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m_plugins->destroyPreviousPlugin();
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if (enabled) {
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m_preview->resize(size);
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m_preview->setTempButtons(m_plugins, m_customButtons, m_leftButtons, m_rightButtons);
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m_preview->setTempBorderSize(m_plugins, data.borderSize);
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data.preview = m_preview->preview(&document, m_renderWidget);
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} else {
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m_decorations.removeAt(index.row());
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}
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break;
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}
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default:
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// nothing
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break;
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}
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emit dataChanged(index, index);
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}
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void DecorationModel::regeneratePreview(const QModelIndex& index)
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{
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regeneratePreview(index, m_decorations.at(index.row()).preview.size());
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}
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QModelIndex DecorationModel::indexOfLibrary(const QString& libraryName) const
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{
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for (int i = 0; i < m_decorations.count(); i++) {
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if (m_decorations.at(i).libraryName.compare(libraryName) == 0)
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return index(i);
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}
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return QModelIndex();
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}
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QModelIndex DecorationModel::indexOfName(const QString& decoName) const
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{
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for (int i = 0; i < m_decorations.count(); i++) {
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if (m_decorations.at(i).name.compare(decoName) == 0)
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return index(i);
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}
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return QModelIndex();
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}
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QModelIndex DecorationModel::indexOfAuroraeName(const QString &auroraeName, const QString &type) const
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{
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for (int i = 0; i < m_decorations.count(); i++) {
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const DecorationModelData& data = m_decorations.at(i);
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if (type == "aurorae" && data.type == DecorationModelData::AuroraeDecoration &&
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data.auroraeName.compare(auroraeName) == 0)
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return index(i);
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if (type == "qml" && data.type == DecorationModelData::QmlDecoration &&
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data.auroraeName.compare(auroraeName) == 0)
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return index(i);
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}
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return QModelIndex();
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}
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void DecorationModel::setBorderSize(const QModelIndex& index, KDecorationDefines::BorderSize size)
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{
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if (!index.isValid() || m_decorations[ index.row()].type == DecorationModelData::AuroraeDecoration || m_decorations[ index.row()].type == DecorationModelData::QmlDecoration)
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return;
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m_decorations[ index.row()].borderSize = size;
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}
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QVariant DecorationModel::readConfig(const QString &themeName, const QString &key, const QVariant &defaultValue)
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{
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return m_config->group(themeName).readEntry(key, defaultValue);
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}
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void DecorationModel::notifyConfigChanged(const QModelIndex &index)
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{
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if (!index.isValid()) {
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return;
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}
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emit configChanged(m_decorations[index.row()].auroraeName);
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}
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} // namespace KWin
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