diff options
Diffstat (limited to 'src/displaysettings/displaysettings_p.cpp')
-rw-r--r-- | src/displaysettings/displaysettings_p.cpp | 278 |
1 files changed, 0 insertions, 278 deletions
diff --git a/src/displaysettings/displaysettings_p.cpp b/src/displaysettings/displaysettings_p.cpp deleted file mode 100644 index e62fca7..0000000 --- a/src/displaysettings/displaysettings_p.cpp +++ /dev/null @@ -1,278 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2016 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the Device Utilities module of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:GPL$ -** Commercial License Usage -** Licensees holding valid commercial Qt licenses may use this file in -** accordance with the commercial license agreement provided with the -** Software or, alternatively, in accordance with the terms contained in -** a written agreement between you and The Qt Company. For licensing terms -** and conditions see https://www.qt.io/terms-conditions. For further -** information use the contact form at https://www.qt.io/contact-us. -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU -** General Public License version 3 or (at your option) any later version -** approved by the KDE Free Qt Foundation. The licenses are as published by -** the Free Software Foundation and appearing in the file LICENSE.GPL3 -** included in the packaging of this file. Please review the following -** information to ensure the GNU General Public License requirements will -** be met: https://www.gnu.org/licenses/gpl-3.0.html. -** -** $QT_END_LICENSE$ -** -****************************************************************************/ -#include <QtMath> -#include <QDirIterator> -#include "displaysettings_p.h" - -QT_BEGIN_NAMESPACE - -DisplaySettingsPrivate::DisplaySettingsPrivate(DisplaySettings *qq) - :q_ptr(qq) - ,m_brightness(255) - ,m_lightDevicesInitialized(false) - ,m_physScreenSize(new PhysicalScreenSize(qq)) -{ - -} - -void DisplaySettingsPrivate::initLightDevices() -{ - if (m_lightDevicesInitialized) - return; - QDirIterator it(QStringLiteral("/sys/class/backlight")); - while (it.hasNext()) { - LightDevice ld; - ld.deviceFile = it.next() + QStringLiteral("/brightness"); - QFile maxFile(it.filePath() + QStringLiteral("/max_brightness")); - if (!maxFile.open(QIODevice::ReadOnly)) - continue; - bool ok = false; - ld.maxValue = maxFile.read(10).simplified().toUInt(&ok); - if (!ok || !ld.maxValue) - continue; - QFile valFile(ld.deviceFile); - if (!valFile.open(QIODevice::ReadOnly)) - continue; - ok = false; - uint val = valFile.read(10).simplified().toUInt(&ok); - if (!ok) - continue; - // map max->max as that is a common case, otherwise choose a reasonable value - ld.value = (val == ld.maxValue) ? 255 : (val * 256)/(ld.maxValue+1); - ld.name = it.fileName(); - m_lightDevices.append(ld); - } - if (!m_lightDevices.isEmpty()) - m_brightness = m_lightDevices.at(0).value; - m_lightDevicesInitialized = true; -} - - -bool DisplaySettingsPrivate::setDisplayBrightness(int v) -{ - quint8 value = qBound(0, v, 255); - initLightDevices(); - for (int i = 0; i < m_lightDevices.size(); i++) { - LightDevice &ld = m_lightDevices[i]; - QFile devFile(ld.deviceFile); - if (!devFile.open(QIODevice::WriteOnly)) - continue; - // Maps only 0 to 0, since 0 often means "off"; other values are degrees of "on". - uint newVal = value ? 1 + ((value * ld.maxValue) / 256) : 0; - devFile.write(QByteArray::number(newVal)); - ld.value = value; - } - m_brightness = value; - return true; -} - -int DisplaySettingsPrivate::displayBrightness() -{ - initLightDevices(); - return m_brightness; -} - -int DisplaySettingsPrivate::physicalScreenSizeInch() const -{ - return m_physScreenSize->size(); -} - -int DisplaySettingsPrivate::physicalScreenWidthMm() const -{ - return m_physScreenSize->widthMm(); -} - -int DisplaySettingsPrivate::physicalScreenHeightMm() const -{ - return m_physScreenSize->heightMm(); -} - -void DisplaySettingsPrivate::setPhysicalScreenSizeInch(int inches) -{ - Q_Q(DisplaySettings); - if (m_physScreenSize->size() != inches) { - m_physScreenSize->setSize(inches); - emit q->physicalScreenSizeInchChanged(inches); - } -} - -void DisplaySettingsPrivate::setPhysicalScreenWidthMm(int newWidth) -{ - Q_Q(DisplaySettings); - if (m_physScreenSize->widthMm() != newWidth) { - m_physScreenSize->setSizeMm(newWidth, m_physScreenSize->heightMm()); - emit q->physicalScreenWidthMmChanged(newWidth); - } -} - -void DisplaySettingsPrivate::setPhysicalScreenHeightMm(int newHeight) -{ - Q_Q(DisplaySettings); - if (m_physScreenSize->heightMm() != newHeight) { - m_physScreenSize->setSizeMm(m_physScreenSize->widthMm(), newHeight); - emit q->physicalScreenHeightMmChanged(newHeight); - } -} - -bool DisplaySettingsPrivate::physicalScreenSizeOverride() const -{ - return m_physScreenSize->enabled(); -} - -void DisplaySettingsPrivate::setPhysicalScreenSizeOverride(bool enable) -{ - Q_Q(DisplaySettings); - if (m_physScreenSize->enabled() != enable) { - m_physScreenSize->setEnabled(enable); - emit q->physicalScreenSizeOverrideChanged(enable); - } -} - -PhysicalScreenSize::PhysicalScreenSize(QObject *parent) - : QObject(parent) - ,physScreenSizeEnabled(false), physScreenSizeInch(7) -{ - physWriteTimer.setSingleShot(true); - physWriteTimer.setInterval(1000); - QObject::connect(&physWriteTimer, SIGNAL(timeout()), this, SLOT(onTimeout())); - - read(QStringLiteral("/etc/appcontroller.conf")); - read(QStringLiteral("/var/lib/b2qt/appcontroller.conf.d/physical_screen_size.conf")); -} - -PhysicalScreenSize::~PhysicalScreenSize() -{ - -} - -void PhysicalScreenSize::read(const QString &filename) -{ - QFile f(filename); - if (!f.open(QIODevice::ReadOnly | QIODevice::Text)) - return; - - physScreenWidthMm = 154; - physScreenHeightMm = 90; - int found = 0; - while (!f.atEnd()) { - QByteArray line = f.readLine().trimmed(); - if (line.startsWith(QByteArrayLiteral("env="))) { - QByteArrayList values = line.split('='); - if (values.count() == 3) { - bool ok; - if (values[1] == QByteArrayLiteral("QT_QPA_EGLFS_PHYSICAL_WIDTH")) { - int val = values[2].toInt(&ok); - if (ok) { - ++found; - physScreenWidthMm = val; - } - } else if (values[1] == QByteArrayLiteral("QT_QPA_EGLFS_PHYSICAL_HEIGHT")) { - int val = values[2].toInt(&ok); - if (ok) { - ++found; - physScreenHeightMm = val; - } - } - } - } - } - if (found == 2) - physScreenSizeEnabled = true; - - const qreal diagMM = qSqrt(physScreenWidthMm * physScreenWidthMm + physScreenHeightMm * physScreenHeightMm); - physScreenSizeInch = qRound(diagMM / 25.4); -} - -void PhysicalScreenSize::onTimeout() -{ - write(); -} - -void PhysicalScreenSize::write(bool includePhysSize) -{ - QDir(QStringLiteral("/var/lib")).mkpath(QStringLiteral("b2qt/appcontroller.conf.d")); - write(QStringLiteral("/var/lib/b2qt/appcontroller.conf.d/physical_screen_size.conf"), includePhysSize); -} - -void PhysicalScreenSize::write(const QString &filename, bool includePhysSize) -{ - QFile f(filename); - - QByteArrayList lines; - if (f.open(QIODevice::ReadOnly | QIODevice::Text)) { - while (!f.atEnd()) { - QByteArray line = f.readLine().trimmed(); - if (!line.startsWith(QByteArrayLiteral("env=QT_QPA_EGLFS_PHYSICAL_WIDTH=")) - && !line.startsWith(QByteArrayLiteral("env=QT_QPA_EGLFS_PHYSICAL_HEIGHT="))) - lines.append(line); - } - f.close(); - } - - if (!f.open(QIODevice::WriteOnly | QIODevice::Truncate | QIODevice::Text)) - return; - - const int physScreenHeight = physScreenHeightMm; - const int physScreenWidth = physScreenWidthMm; - - foreach (const QByteArray &line, lines) - f.write(line + QByteArrayLiteral("\n")); - - if (includePhysSize) - f.write(QByteArrayLiteral("env=QT_QPA_EGLFS_PHYSICAL_WIDTH=") + QByteArray::number(physScreenWidth) - + QByteArrayLiteral("\nenv=QT_QPA_EGLFS_PHYSICAL_HEIGHT=") + QByteArray::number(physScreenHeight) - + QByteArrayLiteral("\n")); -} - -void PhysicalScreenSize::setSize(int inches) -{ - physScreenSizeInch = inches; - physWriteTimer.start(); -} - -void PhysicalScreenSize::setSizeMm(int width, int height) -{ - physScreenWidthMm = width; - physScreenHeightMm = height; - physWriteTimer.start(); -} - -bool PhysicalScreenSize::enabled() const -{ - return physScreenSizeEnabled; -} - -void PhysicalScreenSize::setEnabled(bool enable) -{ - physScreenSizeEnabled = enable; - // Rewrite appcontroller.conf with or without the physical width/height lines. - write(enable); -} - -QT_END_NAMESPACE |