d0a6aa0836
A signal is added to the VirtualBackend to change all screen geometries. This can be used from auto tests to change the screens. But it's not yet correctly reflected in other areas. E.g. not forwarded to Wayland Output, etc.
94 lines
2.8 KiB
C++
94 lines
2.8 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) 2015 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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#include "screens_virtual.h"
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#include "virtual_backend.h"
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namespace KWin
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{
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VirtualScreens::VirtualScreens(VirtualBackend *backend, QObject *parent)
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: Screens(parent)
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, m_backend(backend)
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{
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}
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VirtualScreens::~VirtualScreens() = default;
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void VirtualScreens::init()
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{
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KWin::Screens::init();
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connect(m_backend, &VirtualBackend::sizeChanged,
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this, &VirtualScreens::startChangedTimer);
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connect(m_backend, &VirtualBackend::outputGeometriesChanged, this,
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[this] (const QVector<QRect> &geometries) {
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// TODO: update Wayland Output
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m_geometries = geometries;
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emit changed();
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}
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);
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updateCount();
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emit changed();
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}
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QRect VirtualScreens::geometry(int screen) const
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{
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if (screen >= m_geometries.count()) {
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return QRect();
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}
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return m_geometries.at(screen);
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}
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QSize VirtualScreens::size(int screen) const
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{
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return geometry(screen).size();
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}
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void VirtualScreens::updateCount()
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{
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m_geometries.clear();
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const QSize size = m_backend->size();
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for (int i = 0; i < m_backend->outputCount(); ++i) {
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m_geometries.append(QRect(size.width() * i, 0, size.width(), size.height()));
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}
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setCount(m_backend->outputCount());
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}
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int VirtualScreens::number(const QPoint &pos) const
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{
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int bestScreen = 0;
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int minDistance = INT_MAX;
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for (int i = 0; i < m_geometries.count(); ++i) {
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const QRect &geo = m_geometries.at(i);
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if (geo.contains(pos)) {
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return i;
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}
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int distance = QPoint(geo.topLeft() - pos).manhattanLength();
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distance = qMin(distance, QPoint(geo.topRight() - pos).manhattanLength());
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distance = qMin(distance, QPoint(geo.bottomRight() - pos).manhattanLength());
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distance = qMin(distance, QPoint(geo.bottomLeft() - pos).manhattanLength());
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if (distance < minDistance) {
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minDistance = distance;
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bestScreen = i;
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}
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}
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return bestScreen;
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}
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}
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