ArchitectureColoredPainting/FramelessHelper/examples/quick/quicksettings.cpp

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2023-01-22 11:04:22 +08:00
/*
* MIT License
*
* Copyright (C) 2021-2023 by wangwenx190 (Yuhang Zhao)
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#include "quicksettings.h"
#include "../shared/settings.h"
FRAMELESSHELPER_STRING_CONSTANT(Geometry)
FRAMELESSHELPER_STRING_CONSTANT(DevicePixelRatio)
extern template void Settings::set<QRect>(const QString &, const QString &, const QRect &);
extern template void Settings::set<qreal>(const QString &, const QString &, const qreal &);
extern template QRect Settings::get<QRect>(const QString &, const QString &);
extern template qreal Settings::get<qreal>(const QString &, const QString &);
QuickSettings::QuickSettings(QObject *parent) : QObject(parent)
{
}
QuickSettings::~QuickSettings() = default;
void QuickSettings::saveGeometry(QWindow *window)
{
Q_ASSERT(window);
if (!window) {
return;
}
const QString objName = window->objectName();
Settings::set(objName, kGeometry, window->geometry());
Settings::set(objName, kDevicePixelRatio, window->devicePixelRatio());
}
bool QuickSettings::restoreGeometry(QWindow *window)
{
Q_ASSERT(window);
if (!window) {
return false;
}
const QString objName = window->objectName();
const auto savedGeometry = Settings::get<QRect>(objName, kGeometry);
if (!savedGeometry.isValid()) {
return false;
}
const auto savedDpr = Settings::get<qreal>(objName, kDevicePixelRatio);
// Qt doesn't support dpr < 1.
const qreal oldDpr = std::max(savedDpr, qreal(1));
const qreal scale = (window->devicePixelRatio() / oldDpr);
window->setGeometry({savedGeometry.topLeft() * scale, savedGeometry.size() * scale});
return true;
}