while newer Qt does provide a method to check if dark mode Its not always correct the old method is Anytime the text is lighter then the window its dark mode.
40 lines
1.4 KiB
C++
40 lines
1.4 KiB
C++
/*
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* Deskflow -- mouse and keyboard sharing utility
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* Copyright (C) 2024 Symless
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*
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* This package is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* found in the file LICENSE that should have accompanied this file.
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*
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* This package is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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#include <QGuiApplication>
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#include <QPalette>
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#include <QStyleHints>
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namespace deskflow::gui {
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/**
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* @brief Detects dark mode in a universal manner (all Qt versions).
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* Until better platform support is added, it's more reliable to use the old way (compare text and window lightness),
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* because the newer versions in Qt 6.5+ are not always correct and some return `UnknownScheme`.
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* https://www.qt.io/blog/dark-mode-on-windows-11-with-qt-6.5
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*/
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inline bool isDarkMode()
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{
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const QPalette defaultPalette;
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const auto text = defaultPalette.color(QPalette::WindowText);
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const auto window = defaultPalette.color(QPalette::Window);
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return text.lightness() > window.lightness();
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}
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} // namespace deskflow::gui
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