kwin/outputscreens.cpp
Vlad Zahorodnii 578d34dba9 Introduce Platform::findOutput(int) overload
This can be useful if there is a need to look up an output by id.
2020-09-03 18:11:44 +00:00

119 lines
2.7 KiB
C++

/*
KWin - the KDE window manager
This file is part of the KDE project.
SPDX-FileCopyrightText: 2018 Roman Gilg <subdiff@gmail.com>
SPDX-License-Identifier: GPL-2.0-or-later
*/
#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
{
if (AbstractOutput *output = findOutput(screen)) {
return output->name();
}
return QString();
}
bool OutputScreens::isInternal(int screen) const
{
if (AbstractOutput *output = findOutput(screen)) {
return output->isInternal();
}
return false;
}
QRect OutputScreens::geometry(int screen) const
{
if (AbstractOutput *output = findOutput(screen)) {
return output->geometry();
}
return QRect();
}
QSize OutputScreens::size(int screen) const
{
if (AbstractOutput *output = findOutput(screen)) {
return output->geometry().size();
}
return QSize();
}
qreal OutputScreens::scale(int screen) const
{
if (AbstractOutput *output = findOutput(screen)) {
return output->scale();
}
return 1.0;
}
QSizeF OutputScreens::physicalSize(int screen) const
{
if (AbstractOutput *output = findOutput(screen)) {
return output->physicalSize();
}
return QSizeF();
}
float OutputScreens::refreshRate(int screen) const
{
if (AbstractOutput *output = findOutput(screen)) {
return output->refreshRate() / 1000.0;
}
return 60.0;
}
void OutputScreens::updateCount()
{
setCount(m_platform->enabledOutputs().size());
}
int OutputScreens::number(const QPoint &pos) const
{
int bestScreen = 0;
int minDistance = INT_MAX;
const auto outputs = m_platform->enabledOutputs();
for (int i = 0; i < outputs.size(); ++i) {
const QRect &geo = outputs[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;
}
AbstractOutput *OutputScreens::findOutput(int screen) const
{
return m_platform->findOutput(screen);
}
} // namespace