3a05e4b535
Requires to move the screensQueried signal and disconnect during Application startup. As Screens only hold the geometry of each screen and the overall geometry, there is no need (yet) to update in more detail when a DrmOutput is added or removed. The overall queried is sufficient.
88 lines
2.6 KiB
C++
88 lines
2.6 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_drm.h"
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#include "drm_backend.h"
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namespace KWin
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{
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DrmScreens::DrmScreens(DrmBackend *backend, QObject *parent)
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: Screens(parent)
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, m_backend(backend)
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{
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connect(backend, &DrmBackend::screensQueried, this, &DrmScreens::updateCount);
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connect(backend, &DrmBackend::screensQueried, this, &DrmScreens::changed);
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}
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DrmScreens::~DrmScreens() = default;
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void DrmScreens::init()
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{
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KWin::Screens::init();
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updateCount();
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emit changed();
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}
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QRect DrmScreens::geometry(int screen) const
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{
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const auto outputs = m_backend->outputs();
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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 DrmScreens::size(int screen) const
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{
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const auto outputs = m_backend->outputs();
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if (screen >= outputs.size()) {
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return QSize();
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}
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return outputs.at(screen)->size();
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}
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void DrmScreens::updateCount()
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{
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setCount(m_backend->outputs().size());
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}
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int DrmScreens::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->outputs();
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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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