651 lines
19 KiB
C++
651 lines
19 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 <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 "tabboxhandler.h"
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#include <kwinglobals.h>
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#include "xcbutils.h"
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// tabbox
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#include "clientmodel.h"
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#include "desktopmodel.h"
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#include "tabboxconfig.h"
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#include "thumbnailitem.h"
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#include "scripting/scripting.h"
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#include "switcheritem.h"
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// Qt
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#include <QApplication>
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#include <QDebug>
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#include <QDesktopWidget>
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#include <QKeyEvent>
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#include <QModelIndex>
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#include <QStandardPaths>
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#include <QTimer>
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#include <QQmlContext>
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#include <QQmlComponent>
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#include <QQmlEngine>
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#include <QQuickItem>
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#include <QQuickWindow>
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#include <QX11Info>
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#include <X11/Xlib.h>
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// KDE
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#include <KLocalizedString>
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#include <KProcess>
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#include <KServiceTypeTrader>
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#include <KWindowSystem>
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namespace KWin
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{
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namespace TabBox
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{
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class TabBoxHandlerPrivate
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{
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public:
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TabBoxHandlerPrivate(TabBoxHandler *q);
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~TabBoxHandlerPrivate();
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/**
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* Updates the current highlight window state
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*/
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void updateHighlightWindows();
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/**
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* Ends window highlighting
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*/
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void endHighlightWindows(bool abort = false);
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void show();
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QQuickWindow *window() const;
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SwitcherItem *switcherItem() const;
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ClientModel* clientModel() const;
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DesktopModel* desktopModel() const;
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TabBoxHandler *q; // public pointer
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// members
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TabBoxConfig config;
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QScopedPointer<QQmlContext> m_qmlContext;
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QScopedPointer<QQmlComponent> m_qmlComponent;
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QObject *m_mainItem;
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QMap<QString, QObject*> m_clientTabBoxes;
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QMap<QString, QObject*> m_desktopTabBoxes;
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ClientModel* m_clientModel;
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DesktopModel* m_desktopModel;
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QModelIndex index;
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/**
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* Indicates if the tabbox is shown.
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*/
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bool isShown;
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TabBoxClient *lastRaisedClient, *lastRaisedClientSucc;
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WId m_embedded;
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QPoint m_embeddedOffset;
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QSize m_embeddedSize;
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Qt::Alignment m_embeddedAlignment;
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Xcb::Atom m_highlightWindowsAtom;
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private:
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QObject *createSwitcherItem(bool desktopMode);
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};
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TabBoxHandlerPrivate::TabBoxHandlerPrivate(TabBoxHandler *q)
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: m_qmlContext()
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, m_qmlComponent()
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, m_mainItem(nullptr)
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, m_embedded(0)
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, m_embeddedOffset(QPoint(0, 0))
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, m_embeddedSize(QSize(0, 0))
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, m_highlightWindowsAtom(QByteArrayLiteral("_KDE_WINDOW_HIGHLIGHT"))
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{
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this->q = q;
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isShown = false;
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lastRaisedClient = nullptr;
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lastRaisedClientSucc = nullptr;
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config = TabBoxConfig();
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m_clientModel = new ClientModel(q);
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m_desktopModel = new DesktopModel(q);
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}
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TabBoxHandlerPrivate::~TabBoxHandlerPrivate()
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{
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for (auto it = m_clientTabBoxes.constBegin(); it != m_clientTabBoxes.constEnd(); ++it) {
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delete it.value();
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}
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for (auto it = m_desktopTabBoxes.constBegin(); it != m_desktopTabBoxes.constEnd(); ++it) {
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delete it.value();
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}
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}
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QQuickWindow *TabBoxHandlerPrivate::window() const
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{
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if (!m_mainItem) {
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return nullptr;
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}
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if (QQuickWindow *w = qobject_cast<QQuickWindow*>(m_mainItem)) {
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return w;
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}
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return m_mainItem->findChild<QQuickWindow*>();
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}
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SwitcherItem *TabBoxHandlerPrivate::switcherItem() const
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{
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if (!m_mainItem) {
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return nullptr;
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}
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if (SwitcherItem *i = qobject_cast<SwitcherItem*>(m_mainItem)) {
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return i;
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} else if (QQuickWindow *w = qobject_cast<QQuickWindow*>(m_mainItem)) {
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return w->contentItem()->findChild<SwitcherItem*>();
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}
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return m_mainItem->findChild<SwitcherItem*>();
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}
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ClientModel* TabBoxHandlerPrivate::clientModel() const
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{
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return m_clientModel;
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}
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DesktopModel* TabBoxHandlerPrivate::desktopModel() const
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{
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return m_desktopModel;
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}
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void TabBoxHandlerPrivate::updateHighlightWindows()
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{
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if (!isShown || config.tabBoxMode() != TabBoxConfig::ClientTabBox)
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return;
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TabBoxClient *currentClient = q->client(index);
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QWindow *w = window();
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if (q->isKWinCompositing()) {
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if (lastRaisedClient)
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q->elevateClient(lastRaisedClient, w ? w->winId() : 0, false);
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lastRaisedClient = currentClient;
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if (currentClient)
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q->elevateClient(currentClient, w ? w->winId() : 0, true);
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} else {
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if (lastRaisedClient) {
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if (lastRaisedClientSucc)
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q->restack(lastRaisedClient, lastRaisedClientSucc);
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// TODO lastRaisedClient->setMinimized( lastRaisedClientWasMinimized );
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}
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lastRaisedClient = currentClient;
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if (lastRaisedClient) {
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// TODO if ( (lastRaisedClientWasMinimized = lastRaisedClient->isMinimized()) )
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// lastRaisedClient->setMinimized( false );
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TabBoxClientList order = q->stackingOrder();
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int succIdx = order.count() + 1;
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for (int i=0; i<order.count(); ++i) {
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if (order.at(i).data() == lastRaisedClient) {
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succIdx = i + 1;
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break;
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}
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}
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lastRaisedClientSucc = (succIdx < order.count()) ? order.at(succIdx).data() : nullptr;
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q->raiseClient(lastRaisedClient);
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}
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}
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xcb_window_t wId;
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QVector< xcb_window_t > data;
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if (config.isShowTabBox() && w) {
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wId = w->winId();
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data.resize(2);
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data[ 1 ] = wId;
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} else {
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wId = QX11Info::appRootWindow();
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data.resize(1);
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}
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data[ 0 ] = currentClient ? currentClient->window() : 0L;
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xcb_change_property(connection(), XCB_PROP_MODE_REPLACE, wId, m_highlightWindowsAtom,
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m_highlightWindowsAtom, 32, data.size(), data.constData());
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}
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void TabBoxHandlerPrivate::endHighlightWindows(bool abort)
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{
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TabBoxClient *currentClient = q->client(index);
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QWindow *w = window();
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if (currentClient)
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q->elevateClient(currentClient, w ? w->winId() : 0, false);
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if (abort && lastRaisedClient && lastRaisedClientSucc)
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q->restack(lastRaisedClient, lastRaisedClientSucc);
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lastRaisedClient = nullptr;
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lastRaisedClientSucc = nullptr;
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// highlight windows
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xcb_delete_property(connection(), config.isShowTabBox() && w ? w->winId() : rootWindow(), m_highlightWindowsAtom);
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}
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QObject *TabBoxHandlerPrivate::createSwitcherItem(bool desktopMode)
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{
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auto findSwitcher = [this, desktopMode] {
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QString constraint = QStringLiteral("[X-KDE-PluginInfo-Name] == '%1'").arg(config.layoutName());
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const QString type = desktopMode ? QStringLiteral("KWin/DesktopSwitcher") : QStringLiteral("KWin/WindowSwitcher");
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KService::List offers = KServiceTypeTrader::self()->query(type, constraint);
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if (offers.isEmpty()) {
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// load default
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constraint = QStringLiteral("[X-KDE-PluginInfo-Name] == '%1'").arg(QStringLiteral("informative"));
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offers = KServiceTypeTrader::self()->query(type, constraint);
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if (offers.isEmpty()) {
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qDebug() << "could not find default window switcher layout";
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return KService::Ptr();
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}
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}
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return offers.first();
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};
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KService::Ptr service = findSwitcher();
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if (!service) {
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return nullptr;
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}
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if (service->property(QStringLiteral("X-Plasma-API")).toString() != QStringLiteral("declarativeappletscript")) {
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qDebug() << "Window Switcher Layout is no declarativeappletscript";
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return nullptr;
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}
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auto findScriptFile = [desktopMode, service] {
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const QString pluginName = service->property(QStringLiteral("X-KDE-PluginInfo-Name")).toString();
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const QString scriptName = service->property(QStringLiteral("X-Plasma-MainScript")).toString();
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const QString type = desktopMode ? QStringLiteral("/desktoptabbox/") : QStringLiteral("/tabbox/");
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return QStandardPaths::locate(QStandardPaths::GenericDataLocation, QStringLiteral(KWIN_NAME) + type + pluginName + QStringLiteral("/contents/") + scriptName);
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};
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const QString file = findScriptFile();
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if (file.isNull()) {
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qDebug() << "Could not find QML file for window switcher";
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return nullptr;
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}
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m_qmlComponent->loadUrl(QUrl::fromLocalFile(file));
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if (m_qmlComponent->isError()) {
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qDebug() << "Component failed to load: " << m_qmlComponent->errors();
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QStringList args;
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args << QStringLiteral("--passivepopup") << i18n("The Window Switcher installation is broken, resources are missing.\n"
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"Contact your distribution about this.") << QStringLiteral("20");
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KProcess::startDetached(QStringLiteral("kdialog"), args);
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} else {
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QObject *object = m_qmlComponent->create(m_qmlContext.data());
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if (desktopMode) {
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m_desktopTabBoxes.insert(config.layoutName(), object);
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} else {
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m_clientTabBoxes.insert(config.layoutName(), object);
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}
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return object;
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}
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return nullptr;
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}
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void TabBoxHandlerPrivate::show()
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{
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if (m_qmlContext.isNull()) {
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qmlRegisterType<SwitcherItem>("org.kde.kwin", 2, 0, "Switcher");
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m_qmlContext.reset(new QQmlContext(Scripting::self()->qmlEngine()));
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}
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if (m_qmlComponent.isNull()) {
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m_qmlComponent.reset(new QQmlComponent(Scripting::self()->qmlEngine()));
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}
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const bool desktopMode = (config.tabBoxMode() == TabBoxConfig::DesktopTabBox);
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auto findMainItem = [this](const QMap<QString, QObject *> &tabBoxes) -> QObject* {
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auto it = tabBoxes.constFind(config.layoutName());
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if (it != tabBoxes.constEnd()) {
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return it.value();
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}
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return nullptr;
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};
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m_mainItem = nullptr;
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m_mainItem = desktopMode ? findMainItem(m_desktopTabBoxes) : findMainItem(m_clientTabBoxes);
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if (!m_mainItem) {
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m_mainItem = createSwitcherItem(desktopMode);
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if (!m_mainItem) {
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return;
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}
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}
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if (SwitcherItem *item = switcherItem()) {
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if (!item->model()) {
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QAbstractItemModel *model = nullptr;
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if (desktopMode) {
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model = desktopModel();
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} else {
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model = clientModel();
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}
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item->setModel(model);
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}
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item->setAllDesktops(config.clientDesktopMode() == TabBoxConfig::AllDesktopsClients);
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item->setCurrentIndex(index.row());
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// everything is prepared, so let's make the whole thing visible
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item->setVisible(true);
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}
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}
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/***********************************************
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* TabBoxHandler
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***********************************************/
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TabBoxHandler::TabBoxHandler(QObject *parent)
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: QObject(parent)
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{
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KWin::TabBox::tabBox = this;
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d = new TabBoxHandlerPrivate(this);
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}
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TabBoxHandler::~TabBoxHandler()
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{
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delete d;
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}
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const KWin::TabBox::TabBoxConfig& TabBoxHandler::config() const
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{
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return d->config;
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}
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void TabBoxHandler::setConfig(const TabBoxConfig& config)
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{
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d->config = config;
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emit configChanged();
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}
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void TabBoxHandler::show()
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{
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d->isShown = true;
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d->lastRaisedClient = nullptr;
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d->lastRaisedClientSucc = nullptr;
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if (d->config.isShowTabBox()) {
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d->show();
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}
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if (d->config.isHighlightWindows()) {
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Xcb::sync();
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// TODO this should be
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// QMetaObject::invokeMethod(this, "updateHighlightWindows", Qt::QueuedConnection);
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// but we somehow need to cross > 1 event cycle (likely because of queued invocation in the effects)
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// to ensure the EffectWindow is present when updateHighlightWindows, thus elevating the window/tabbox
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QTimer::singleShot(1, this, SLOT(updateHighlightWindows()));
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}
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}
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void TabBoxHandler::updateHighlightWindows()
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{
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d->updateHighlightWindows();
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}
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void TabBoxHandler::hide(bool abort)
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{
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d->isShown = false;
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if (d->config.isHighlightWindows()) {
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d->endHighlightWindows(abort);
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}
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if (SwitcherItem *item = d->switcherItem()) {
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item->setVisible(false);
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}
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if (QQuickWindow *w = d->window()) {
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w->hide();
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w->destroy();
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}
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d->m_mainItem = nullptr;
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}
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QModelIndex TabBoxHandler::nextPrev(bool forward) const
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{
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QModelIndex ret;
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QAbstractItemModel* model;
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switch(d->config.tabBoxMode()) {
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case TabBoxConfig::ClientTabBox:
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model = d->clientModel();
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break;
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case TabBoxConfig::DesktopTabBox:
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model = d->desktopModel();
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break;
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default:
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return d->index;
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}
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if (forward) {
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int column = d->index.column() + 1;
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int row = d->index.row();
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if (column == model->columnCount()) {
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column = 0;
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row++;
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if (row == model->rowCount())
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row = 0;
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}
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ret = model->index(row, column);
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if (!ret.isValid())
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ret = model->index(0, 0);
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} else {
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int column = d->index.column() - 1;
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int row = d->index.row();
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if (column < 0) {
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column = model->columnCount() - 1;
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row--;
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if (row < 0)
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row = model->rowCount() - 1;
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}
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ret = model->index(row, column);
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if (!ret.isValid()) {
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row = model->rowCount() - 1;
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for (int i = model->columnCount() - 1; i >= 0; i--) {
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ret = model->index(row, i);
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if (ret.isValid())
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break;
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}
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}
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}
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if (ret.isValid())
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return ret;
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else
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return d->index;
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}
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QModelIndex TabBoxHandler::desktopIndex(int desktop) const
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{
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if (d->config.tabBoxMode() != TabBoxConfig::DesktopTabBox)
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return QModelIndex();
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return d->desktopModel()->desktopIndex(desktop);
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}
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QList< int > TabBoxHandler::desktopList() const
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{
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if (d->config.tabBoxMode() != TabBoxConfig::DesktopTabBox)
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return QList< int >();
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return d->desktopModel()->desktopList();
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}
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int TabBoxHandler::desktop(const QModelIndex& index) const
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{
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if (!index.isValid() || (d->config.tabBoxMode() != TabBoxConfig::DesktopTabBox))
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return -1;
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QVariant ret = d->desktopModel()->data(index, DesktopModel::DesktopRole);
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if (ret.isValid())
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return ret.toInt();
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else
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return -1;
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}
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void TabBoxHandler::setCurrentIndex(const QModelIndex& index)
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{
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if (d->index == index) {
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return;
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}
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if (!index.isValid()) {
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return;
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}
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d->index = index;
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if (d->config.tabBoxMode() == TabBoxConfig::ClientTabBox) {
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if (d->config.isHighlightWindows()) {
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d->updateHighlightWindows();
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}
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}
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emit selectedIndexChanged();
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}
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const QModelIndex& TabBoxHandler::currentIndex() const
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{
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return d->index;
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}
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void TabBoxHandler::grabbedKeyEvent(QKeyEvent* event) const
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{
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if (!d->m_mainItem) {
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return;
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}
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QApplication::sendEvent(d->window(), event);
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}
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bool TabBoxHandler::containsPos(const QPoint& pos) const
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{
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if (!d->m_mainItem) {
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return false;
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}
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QWindow *w = d->window();
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if (w) {
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return w->geometry().contains(pos);
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}
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return false;
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}
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QModelIndex TabBoxHandler::index(QWeakPointer<KWin::TabBox::TabBoxClient> client) const
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{
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return d->clientModel()->index(client);
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}
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TabBoxClientList TabBoxHandler::clientList() const
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{
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if (d->config.tabBoxMode() != TabBoxConfig::ClientTabBox)
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return TabBoxClientList();
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return d->clientModel()->clientList();
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}
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TabBoxClient* TabBoxHandler::client(const QModelIndex& index) const
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{
|
|
if ((!index.isValid()) ||
|
|
(d->config.tabBoxMode() != TabBoxConfig::ClientTabBox))
|
|
return nullptr;
|
|
TabBoxClient* c = static_cast< TabBoxClient* >(
|
|
d->clientModel()->data(index, ClientModel::ClientRole).value<void *>());
|
|
return c;
|
|
}
|
|
|
|
void TabBoxHandler::createModel(bool partialReset)
|
|
{
|
|
switch(d->config.tabBoxMode()) {
|
|
case TabBoxConfig::ClientTabBox: {
|
|
d->clientModel()->createClientList(partialReset);
|
|
// TODO: C++11 use lambda function
|
|
bool lastRaised = false;
|
|
bool lastRaisedSucc = false;
|
|
foreach (const QWeakPointer<TabBoxClient> &clientPointer, stackingOrder()) {
|
|
QSharedPointer<TabBoxClient> client = clientPointer.toStrongRef();
|
|
if (!client) {
|
|
continue;
|
|
}
|
|
if (client.data() == d->lastRaisedClient) {
|
|
lastRaised = true;
|
|
}
|
|
if (client.data() == d->lastRaisedClientSucc) {
|
|
lastRaisedSucc = true;
|
|
}
|
|
}
|
|
if (d->lastRaisedClient && !lastRaised)
|
|
d->lastRaisedClient = nullptr;
|
|
if (d->lastRaisedClientSucc && !lastRaisedSucc)
|
|
d->lastRaisedClientSucc = nullptr;
|
|
break;
|
|
}
|
|
case TabBoxConfig::DesktopTabBox:
|
|
d->desktopModel()->createDesktopList();
|
|
break;
|
|
}
|
|
}
|
|
|
|
QModelIndex TabBoxHandler::first() const
|
|
{
|
|
QAbstractItemModel* model;
|
|
switch(d->config.tabBoxMode()) {
|
|
case TabBoxConfig::ClientTabBox:
|
|
model = d->clientModel();
|
|
break;
|
|
case TabBoxConfig::DesktopTabBox:
|
|
model = d->desktopModel();
|
|
break;
|
|
default:
|
|
return QModelIndex();
|
|
}
|
|
return model->index(0, 0);
|
|
}
|
|
|
|
WId TabBoxHandler::embedded() const
|
|
{
|
|
return d->m_embedded;
|
|
}
|
|
|
|
void TabBoxHandler::setEmbedded(WId wid)
|
|
{
|
|
d->m_embedded = wid;
|
|
emit embeddedChanged(wid != 0);
|
|
}
|
|
|
|
void TabBoxHandler::setEmbeddedOffset(const QPoint &offset)
|
|
{
|
|
d->m_embeddedOffset = offset;
|
|
}
|
|
|
|
void TabBoxHandler::setEmbeddedSize(const QSize &size)
|
|
{
|
|
d->m_embeddedSize = size;
|
|
}
|
|
|
|
const QPoint &TabBoxHandler::embeddedOffset() const
|
|
{
|
|
return d->m_embeddedOffset;
|
|
}
|
|
|
|
const QSize &TabBoxHandler::embeddedSize() const
|
|
{
|
|
return d->m_embeddedSize;
|
|
}
|
|
|
|
Qt::Alignment TabBoxHandler::embeddedAlignment() const
|
|
{
|
|
return d->m_embeddedAlignment;
|
|
}
|
|
|
|
void TabBoxHandler::setEmbeddedAlignment(Qt::Alignment alignment)
|
|
{
|
|
d->m_embeddedAlignment = alignment;
|
|
}
|
|
|
|
void TabBoxHandler::resetEmbedded()
|
|
{
|
|
if (d->m_embedded == 0) {
|
|
return;
|
|
}
|
|
d->m_embedded = 0;
|
|
d->m_embeddedOffset = QPoint(0, 0);
|
|
d->m_embeddedSize = QSize(0, 0);
|
|
emit embeddedChanged(false);
|
|
}
|
|
|
|
TabBoxHandler* tabBox = nullptr;
|
|
|
|
TabBoxClient::TabBoxClient()
|
|
{
|
|
}
|
|
|
|
TabBoxClient::~TabBoxClient()
|
|
{
|
|
}
|
|
|
|
} // namespace TabBox
|
|
} // namespace KWin
|