kwin/outputscreens.cpp

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/********************************************************************
KWin - the KDE window manager
This file is part of the KDE project.
Copyright 2018 Roman Gilg <subdiff@gmail.com>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*********************************************************************/
#include "outputscreens.h"
#include "platform.h"
#include "abstract_output.h"
namespace KWin
{
OutputScreens::OutputScreens(Platform *platform, QObject *parent)
: Screens(parent),
m_platform(platform)
{
}
OutputScreens::~OutputScreens() = default;
void OutputScreens::init()
{
updateCount();
KWin::Screens::init();
emit changed();
}
QString OutputScreens::name(int screen) const
{
const auto enOuts = m_platform->enabledOutputs();
if (screen >= enOuts.size()) {
return Screens::name(screen);
}
return enOuts.at(screen)->name();
}
bool OutputScreens::isInternal(int screen) const
{
const auto enOuts = m_platform->enabledOutputs();
if (screen >= enOuts.size()) {
return false;
}
return enOuts.at(screen)->isInternal();
}
QRect OutputScreens::geometry(int screen) const
{
const auto enOuts = m_platform->enabledOutputs();
if (screen >= enOuts.size()) {
return QRect();
}
return enOuts.at(screen)->geometry();
}
QSize OutputScreens::size(int screen) const
{
const auto enOuts = m_platform->enabledOutputs();
if (screen >= enOuts.size()) {
return QSize();
}
return enOuts.at(screen)->geometry().size();
}
qreal OutputScreens::scale(int screen) const
{
const auto enOuts = m_platform->enabledOutputs();
if (screen >= enOuts.size()) {
return 1;
}
return enOuts.at(screen)->scale();
}
QSizeF OutputScreens::physicalSize(int screen) const
{
const auto enOuts = m_platform->enabledOutputs();
if (screen >= enOuts.size()) {
return Screens::physicalSize(screen);
}
return enOuts.at(screen)->physicalSize();
}
Qt::ScreenOrientation OutputScreens::orientation(int screen) const
{
const auto enOuts = m_platform->enabledOutputs();
if (screen >= enOuts.size()) {
return Qt::PrimaryOrientation;
}
return enOuts.at(screen)->orientation();
}
void OutputScreens::updateCount()
{
setCount(m_platform->enabledOutputs().size());
}
int OutputScreens::number(const QPoint &pos) const
{
int bestScreen = 0;
int minDistance = INT_MAX;
const auto enOuts = m_platform->enabledOutputs();
for (int i = 0; i < enOuts.size(); ++i) {
const QRect &geo = enOuts.at(i)->geometry();
if (geo.contains(pos)) {
return i;
}
int distance = QPoint(geo.topLeft() - pos).manhattanLength();
distance = qMin(distance, QPoint(geo.topRight() - pos).manhattanLength());
distance = qMin(distance, QPoint(geo.bottomRight() - pos).manhattanLength());
distance = qMin(distance, QPoint(geo.bottomLeft() - pos).manhattanLength());
if (distance < minDistance) {
minDistance = distance;
bestScreen = i;
}
}
return bestScreen;
}
} // namespace