372 lines
14 KiB
C++
372 lines
14 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) 2011 Martin Gräßlin <mgraesslin@kde.org>
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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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// own
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#include "declarative.h"
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#include "tabboxhandler.h"
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#include "clientmodel.h"
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// Qt
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#include <QtDeclarative/qdeclarative.h>
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#include <QtDeclarative/QDeclarativeContext>
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#include <QtDeclarative/QDeclarativeEngine>
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#include <QtGui/QDesktopWidget>
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#include <QtGui/QGraphicsObject>
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#include <QtGui/QResizeEvent>
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#include <QX11Info>
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// include KDE
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#include <KDE/KDebug>
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#include <KDE/KIconEffect>
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#include <KDE/KIconLoader>
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#include <KDE/KServiceTypeTrader>
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#include <KDE/KStandardDirs>
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#include <KDE/Plasma/FrameSvg>
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#include <KDE/Plasma/Theme>
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#include <KDE/Plasma/WindowEffects>
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#include <kdeclarative.h>
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// KWin
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#include "thumbnailitem.h"
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#include <kwindowsystem.h>
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#include "../client.h"
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#include "../workspace.h"
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namespace KWin
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{
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namespace TabBox
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{
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ImageProvider::ImageProvider(QAbstractItemModel *model)
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: QDeclarativeImageProvider(QDeclarativeImageProvider::Pixmap)
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, m_model(model)
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{
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}
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QPixmap ImageProvider::requestPixmap(const QString &id, QSize *size, const QSize &requestedSize)
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{
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bool ok = false;
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QStringList parts = id.split('/');
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const int row = parts.first().toInt(&ok);
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if (!ok) {
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return QDeclarativeImageProvider::requestPixmap(id, size, requestedSize);
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}
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const QModelIndex index = m_model->index(row, 0);
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if (!index.isValid()) {
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return QDeclarativeImageProvider::requestPixmap(id, size, requestedSize);
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}
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TabBoxClient* client = static_cast< TabBoxClient* >(index.model()->data(index, ClientModel::ClientRole).value<void *>());
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if (!client) {
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return QDeclarativeImageProvider::requestPixmap(id, size, requestedSize);
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}
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QSize s(32, 32);
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if (requestedSize.isValid()) {
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s = requestedSize;
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}
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*size = s;
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QPixmap icon = client->icon(s);
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if (s.width() > icon.width() || s.height() > icon.height()) {
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// icon is smaller than what we requested - QML would scale it which looks bad
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QPixmap temp(s);
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temp.fill(Qt::transparent);
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QPainter p(&temp);
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p.drawPixmap(s.width()/2 - icon.width()/2, s.height()/2 - icon.height()/2, icon);
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icon = temp;
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}
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if (parts.size() > 2) {
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KIconEffect *effect = KIconLoader::global()->iconEffect();
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KIconLoader::States state = KIconLoader::DefaultState;
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if (parts.at(2) == QLatin1String("selected")) {
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state = KIconLoader::ActiveState;
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} else if (parts.at(2) == QLatin1String("disabled")) {
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state = KIconLoader::DisabledState;
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}
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icon = effect->apply(icon, KIconLoader::Desktop, state);
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}
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return icon;
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}
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DeclarativeView::DeclarativeView(QAbstractItemModel *model, TabBoxConfig::TabBoxMode mode, QWidget *parent)
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: QDeclarativeView(parent)
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, m_model(model)
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, m_mode(mode)
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, m_currentScreenGeometry()
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, m_frame(new Plasma::FrameSvg(this))
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, m_currentLayout()
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, m_cachedWidth(0)
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, m_cachedHeight(0)
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{
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setAttribute(Qt::WA_TranslucentBackground);
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setWindowFlags(Qt::X11BypassWindowManagerHint);
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if (tabBox->embedded()) {
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setResizeMode(QDeclarativeView::SizeRootObjectToView);
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} else {
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setResizeMode(QDeclarativeView::SizeViewToRootObject);
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}
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QPalette pal = palette();
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pal.setColor(backgroundRole(), Qt::transparent);
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setPalette(pal);
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foreach (const QString &importPath, KGlobal::dirs()->findDirs("module", "imports")) {
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engine()->addImportPath(importPath);
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}
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engine()->addImageProvider(QLatin1String("client"), new ImageProvider(model));
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KDeclarative kdeclarative;
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kdeclarative.setDeclarativeEngine(engine());
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kdeclarative.initialize();
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kdeclarative.setupBindings();
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qmlRegisterType<ThumbnailItem>("org.kde.kwin", 0, 1, "ThumbnailItem");
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rootContext()->setContextProperty("viewId", static_cast<qulonglong>(winId()));
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if (m_mode == TabBoxConfig::ClientTabBox) {
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rootContext()->setContextProperty("clientModel", model);
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} else if (m_mode == TabBoxConfig::DesktopTabBox) {
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rootContext()->setContextProperty("clientModel", model);
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}
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setSource(QUrl(KStandardDirs::locate("data", QLatin1String(KWIN_NAME) + QLatin1String("/tabbox/tabbox.qml"))));
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// FrameSvg
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m_frame->setImagePath("dialogs/background");
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m_frame->setCacheAllRenderedFrames(true);
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m_frame->setEnabledBorders(Plasma::FrameSvg::AllBorders);
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connect(tabBox, SIGNAL(configChanged()), SLOT(updateQmlSource()));
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if (m_mode == TabBoxConfig::ClientTabBox) {
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connect(tabBox, SIGNAL(embeddedChanged(bool)), SLOT(slotEmbeddedChanged(bool)));
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}
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}
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void DeclarativeView::showEvent(QShowEvent *event)
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{
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#ifndef TABBOX_KCM
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if (tabBox->embedded()) {
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Client *c = Workspace::self()->findClient(WindowMatchPredicate(tabBox->embedded()));
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if (c) {
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connect(c, SIGNAL(geometryChanged()), this, SLOT(slotUpdateGeometry()));
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}
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}
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#endif
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updateQmlSource();
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m_currentScreenGeometry = QApplication::desktop()->screenGeometry(tabBox->activeScreen());
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rootObject()->setProperty("screenWidth", m_currentScreenGeometry.width());
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rootObject()->setProperty("screenHeight", m_currentScreenGeometry.height());
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rootObject()->setProperty("allDesktops", tabBox->config().tabBoxMode() == TabBoxConfig::ClientTabBox &&
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tabBox->config().clientDesktopMode() == TabBoxConfig::AllDesktopsClients);
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if (ClientModel *clientModel = qobject_cast<ClientModel*>(m_model)) {
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rootObject()->setProperty("longestCaption", clientModel->longestCaption());
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}
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if (QObject *item = rootObject()->findChild<QObject*>("listView")) {
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item->setProperty("currentIndex", tabBox->first().row());
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connect(item, SIGNAL(currentIndexChanged(int)), SLOT(currentIndexChanged(int)));
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}
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slotUpdateGeometry();
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QGraphicsView::showEvent(event);
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}
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void DeclarativeView::resizeEvent(QResizeEvent *event)
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{
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m_frame->resizeFrame(event->size());
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if (Plasma::Theme::defaultTheme()->windowTranslucencyEnabled() && !tabBox->embedded()) {
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// blur background
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Plasma::WindowEffects::enableBlurBehind(winId(), true, m_frame->mask());
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Plasma::WindowEffects::overrideShadow(winId(), true);
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} else if (tabBox->embedded()) {
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Plasma::WindowEffects::enableBlurBehind(winId(), false);
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} else {
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// do not trim to mask with compositing enabled, otherwise shadows are cropped
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setMask(m_frame->mask());
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}
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QDeclarativeView::resizeEvent(event);
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}
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void DeclarativeView::hideEvent(QHideEvent *event)
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{
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QWidget::hideEvent(event);
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#ifndef TABBOX_KCM
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if (tabBox->embedded()) {
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Client *c = Workspace::self()->findClient(WindowMatchPredicate(tabBox->embedded()));
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if (c) {
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disconnect(c, SIGNAL(geometryChanged()), this, SLOT(slotUpdateGeometry()));
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}
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}
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#endif
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}
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bool DeclarativeView::x11Event(XEvent *e)
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{
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if (tabBox->embedded() &&
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(e->type == ButtonPress || e->type == ButtonRelease || e->type == MotionNotify)) {
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XEvent ev;
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memcpy(&ev, e, sizeof(ev));
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if (e->type == ButtonPress || e->type == ButtonRelease) {
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ev.xbutton.x += m_relativePos.x();
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ev.xbutton.y += m_relativePos.y();
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ev.xbutton.window = tabBox->embedded();
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} else if (e->type == MotionNotify) {
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ev.xmotion.x += m_relativePos.x();
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ev.xmotion.y += m_relativePos.y();
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ev.xmotion.window = tabBox->embedded();
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}
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XSendEvent( QX11Info::display(), tabBox->embedded(), False, NoEventMask, &ev );
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}
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return QDeclarativeView::x11Event(e);
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}
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void DeclarativeView::slotUpdateGeometry()
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{
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const WId embeddedId = tabBox->embedded();
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if (embeddedId != 0) {
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const KWindowInfo info = KWindowSystem::windowInfo(embeddedId, NET::WMGeometry);
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const Qt::Alignment alignment = tabBox->embeddedAlignment();
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const QPoint offset = tabBox->embeddedOffset();
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int x = info.geometry().left();
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int y = info.geometry().top();
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int width = tabBox->embeddedSize().width();
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int height = tabBox->embeddedSize().height();
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if (alignment.testFlag(Qt::AlignLeft) || alignment.testFlag(Qt::AlignHCenter)) {
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x += offset.x();
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}
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if (alignment.testFlag(Qt::AlignRight)) {
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x = x + info.geometry().width() - offset.x() - width;
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}
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if (alignment.testFlag(Qt::AlignHCenter)) {
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width = info.geometry().width() - 2 * offset.x();
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}
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if (alignment.testFlag(Qt::AlignTop) || alignment.testFlag(Qt::AlignVCenter)) {
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y += offset.y();
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}
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if (alignment.testFlag(Qt::AlignBottom)) {
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y = y + info.geometry().height() - offset.y() - height;
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}
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if (alignment.testFlag(Qt::AlignVCenter)) {
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height = info.geometry().height() - 2 * offset.y();
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}
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setGeometry(QRect(x, y, width, height));
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m_relativePos = QPoint(info.geometry().x(), info.geometry().x());
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} else {
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const int width = rootObject()->property("width").toInt();
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const int height = rootObject()->property("height").toInt();
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setGeometry(m_currentScreenGeometry.x() + static_cast<qreal>(m_currentScreenGeometry.width()) * 0.5 - static_cast<qreal>(width) * 0.5,
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m_currentScreenGeometry.y() + static_cast<qreal>(m_currentScreenGeometry.height()) * 0.5 - static_cast<qreal>(height) * 0.5,
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width, height);
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m_relativePos = pos();
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}
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}
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void DeclarativeView::setCurrentIndex(const QModelIndex &index, bool disableAnimation)
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{
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if (tabBox->config().tabBoxMode() != m_mode) {
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return;
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}
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if (QObject *item = rootObject()->findChild<QObject*>("listView")) {
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QVariant durationRestore;
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if (disableAnimation) {
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durationRestore = item->property("highlightMoveDuration");
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item->setProperty("highlightMoveDuration", QVariant(1));
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}
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item->setProperty("currentIndex", index.row());
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if (disableAnimation) {
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item->setProperty("highlightMoveDuration", durationRestore);
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}
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}
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}
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void DeclarativeView::currentIndexChanged(int row)
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{
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tabBox->setCurrentIndex(m_model->index(row, 0));
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KWindowSystem::forceActiveWindow(m_model->data(m_model->index(row, 0), ClientModel::WIdRole).toLongLong());
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}
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void DeclarativeView::updateQmlSource(bool force)
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{
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if (tabBox->config().tabBoxMode() != m_mode) {
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return;
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}
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if (!force && tabBox->config().layoutName() == m_currentLayout) {
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return;
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}
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if (m_mode == TabBoxConfig::DesktopTabBox) {
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m_currentLayout = tabBox->config().layoutName();
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const QString file = KStandardDirs::locate("data", QLatin1String(KWIN_NAME) + QLatin1String("/tabbox/desktop.qml"));
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rootObject()->setProperty("source", QUrl(file));
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return;
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}
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QString constraint = QString("[X-KDE-PluginInfo-Name] == '%1'").arg(tabBox->config().layoutName());
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KService::List offers = KServiceTypeTrader::self()->query("KWin/WindowSwitcher", constraint);
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if (offers.isEmpty()) {
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// load default
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constraint = QString("[X-KDE-PluginInfo-Name] == '%1'").arg("informative");
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offers = KServiceTypeTrader::self()->query("KWin/WindowSwitcher", constraint);
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if (offers.isEmpty()) {
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kDebug(1212) << "could not find default window switcher layout";
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return;
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}
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}
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m_currentLayout = tabBox->config().layoutName();
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KService::Ptr service = offers.first();
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const QString pluginName = service->property("X-KDE-PluginInfo-Name").toString();
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if (service->property("X-Plasma-API").toString() != "declarativeappletscript") {
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kDebug(1212) << "Window Switcher Layout is no declarativeappletscript";
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return;
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}
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const QString scriptName = service->property("X-Plasma-MainScript").toString();
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const QString file = KStandardDirs::locate("data", QLatin1String(KWIN_NAME) + "/tabbox/" + pluginName + "/contents/" + scriptName);
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if (file.isNull()) {
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kDebug(1212) << "Could not find QML file for window switcher";
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return;
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}
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rootObject()->setProperty("source", QUrl(file));
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}
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void DeclarativeView::slotEmbeddedChanged(bool enabled)
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{
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if (enabled) {
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// cache the width
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setResizeMode(QDeclarativeView::SizeRootObjectToView);
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m_cachedWidth = rootObject()->property("width").toInt();
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m_cachedHeight = rootObject()->property("height").toInt();
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} else {
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setResizeMode(QDeclarativeView::SizeViewToRootObject);
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if (m_cachedWidth != 0 && m_cachedHeight != 0) {
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rootObject()->setProperty("width", m_cachedWidth);
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rootObject()->setProperty("height", m_cachedHeight);
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}
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updateQmlSource(true);
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}
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}
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void DeclarativeView::slotWindowChanged(WId wId, unsigned int properties)
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{
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if (wId != tabBox->embedded()) {
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return;
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}
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if (properties & NET::WMGeometry) {
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slotUpdateGeometry();
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}
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}
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bool DeclarativeView::sendKeyEvent(QKeyEvent *e)
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{
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return event(e);
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}
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} // namespace TabBox
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} // namespace KWin
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