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94 lines
2.6 KiB
94 lines
2.6 KiB
/******************************************************************** |
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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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#include "virtual_output.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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updateCount(); |
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KWin::Screens::init(); |
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connect(m_backend, &VirtualBackend::virtualOutputsSet, this, |
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[this] (bool countChanged) { |
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if (countChanged) { |
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setCount(m_backend->outputCount()); |
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} else { |
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emit changed(); |
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} |
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} |
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); |
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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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const auto outputs = m_backend->virtualOutputs(); |
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if (screen >= outputs.size()) { |
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return QRect(); |
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} |
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return outputs.at(screen)->geometry(); |
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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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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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const auto outputs = m_backend->virtualOutputs(); |
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for (int i = 0; i < outputs.size(); ++i) { |
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const QRect &geo = outputs.at(i)->geometry(); |
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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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