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https://invent.kde.org/marcoa/shift-shell.git
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f0dd24e8bd
checks Handle situations where the GetConfigOperation never succeeds (really early start of initialstart) with callbacks so users can still set the scale. Also guard more aggressively against nullptr
116 lines
2.9 KiB
C++
116 lines
2.9 KiB
C++
// SPDX-FileCopyrightText: 2023 by Devin Lin <devin@kde.org>
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// SPDX-License-Identifier: GPL-2.0-or-later
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#include "prepareutil.h"
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#include <kscreen/configmonitor.h>
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#include <kscreen/getconfigoperation.h>
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#include <kscreen/output.h>
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#include <kscreen/setconfigoperation.h>
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#include <QDBusPendingCallWatcher>
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#include <QDBusPendingReply>
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#include <QProcess>
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PrepareUtil::PrepareUtil(QObject *parent)
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: QObject{parent}
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, m_colorsSettings{new ColorsSettings(this)}
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{
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initKScreen([]() { });
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// set property initially
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m_usingDarkTheme = m_colorsSettings->colorScheme() == "BreezeDark";
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}
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void PrepareUtil::initKScreen(std::function<void()> callback)
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{
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connect(new KScreen::GetConfigOperation(), &KScreen::GetConfigOperation::finished, this, [this, callback](auto *op) {
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m_config = qobject_cast<KScreen::GetConfigOperation *>(op)->config();
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if (!m_config) {
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return;
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}
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KScreen::ConfigMonitor::instance()->addConfig(m_config);
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int scaling = 100;
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// To determine the scaling value:
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// Try to take the primary display's scaling, otherwise use the scaling of any of the displays
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for (KScreen::OutputPtr output : m_config->outputs()) {
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if (!output) {
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continue;
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}
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scaling = output->scale() * 100;
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m_output = output->id();
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if (output->isPrimary()) {
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break;
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}
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}
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m_scaling = scaling;
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Q_EMIT scalingChanged();
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callback();
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});
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}
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int PrepareUtil::scaling() const
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{
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return m_scaling;
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}
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void PrepareUtil::setScaling(int scaling)
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{
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if (!m_config) {
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initKScreen([this, scaling]() {
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setScalingInternal(scaling);
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});
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return;
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}
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setScalingInternal(scaling);
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}
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void PrepareUtil::setScalingInternal(int scaling)
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{
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const auto outputs = m_config->outputs();
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qreal scalingNum = ((double)scaling) / 100;
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for (KScreen::OutputPtr output : outputs) {
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if (!output) {
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continue;
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}
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if (output->id() == m_output) {
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output->setScale(scalingNum);
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}
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}
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auto setop = new KScreen::SetConfigOperation(m_config, this);
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setop->exec();
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m_scaling = scaling;
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Q_EMIT scalingChanged();
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}
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QStringList PrepareUtil::scalingOptions()
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{
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return {"50%", "75%", "100%", "125%", "150%", "175%", "200%", "225%", "250%", "275%", "300%"};
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}
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bool PrepareUtil::usingDarkTheme() const
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{
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return m_usingDarkTheme;
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}
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void PrepareUtil::setUsingDarkTheme(bool usingDarkTheme)
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{
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// use plasma-apply-colorscheme since it has logic for notifying the shell of changes
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if (usingDarkTheme) {
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QProcess::execute("plasma-apply-colorscheme", {QStringLiteral("BreezeDark")});
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} else {
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QProcess::execute("plasma-apply-colorscheme", {QStringLiteral("BreezeLight")});
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}
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m_usingDarkTheme = usingDarkTheme;
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Q_EMIT usingDarkThemeChanged();
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}
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