89 lines
3.0 KiB
C++
89 lines
3.0 KiB
C++
/*
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* Copyright 2017 Martin Graesslin <mgraesslin@kde.org>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License or (at your option) version 3 or any later version
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* accepted by the membership of KDE e.V. (or its successor approved
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* by the membership of KDE e.V.), which shall act as a proxy
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* defined in Section 14 of version 3 of the license.
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*
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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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*
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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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*/
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#include "popup_input_filter.h"
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#include "deleted.h"
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#include "shell_client.h"
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#include "wayland_server.h"
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#include <QMouseEvent>
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namespace KWin
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{
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PopupInputFilter::PopupInputFilter()
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: QObject()
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{
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connect(waylandServer(), &WaylandServer::shellClientAdded, this, &PopupInputFilter::handleClientAdded);
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}
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void PopupInputFilter::handleClientAdded(Toplevel *client)
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{
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if (m_popupClients.contains(client)) {
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return;
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}
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if (client->hasPopupGrab()) {
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// TODO: verify that the Toplevel is allowed as a popup
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connect(client, &Toplevel::windowShown, this, &PopupInputFilter::handleClientAdded, Qt::UniqueConnection);
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connect(client, &Toplevel::windowClosed, this, &PopupInputFilter::handleClientRemoved, Qt::UniqueConnection);
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m_popupClients << client;
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}
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}
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void PopupInputFilter::handleClientRemoved(Toplevel *client)
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{
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m_popupClients.removeOne(client);
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}
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bool PopupInputFilter::pointerEvent(QMouseEvent *event, quint32 nativeButton)
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{
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Q_UNUSED(nativeButton)
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if (m_popupClients.isEmpty()) {
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return false;
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}
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if (event->type() == QMouseEvent::MouseButtonPress) {
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auto pointerFocus = qobject_cast<AbstractClient*>(input()->findToplevel(event->globalPos()));
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if (!pointerFocus || !AbstractClient::belongToSameApplication(pointerFocus, qobject_cast<AbstractClient*>(m_popupClients.constLast()))) {
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// a press on a window (or no window) not belonging to the popup window
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cancelPopups();
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// filter out this press
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return true;
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}
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if (pointerFocus && pointerFocus->isDecorated()) {
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// test whether it is on the decoration
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const QRect clientRect = QRect(pointerFocus->clientPos(), pointerFocus->clientSize()).translated(pointerFocus->pos());
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if (!clientRect.contains(event->globalPos())) {
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cancelPopups();
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return true;
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}
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}
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}
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return false;
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}
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void PopupInputFilter::cancelPopups()
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{
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while (!m_popupClients.isEmpty()) {
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auto c = m_popupClients.takeLast();
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c->popupDone();
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}
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}
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}
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