deskflow/src/lib/gui/style_utils.h
sithlord48 f66a0219f6 fix: isDarkMode Check
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.
2024-11-06 14:50:39 +00:00

40 lines
1.4 KiB
C++

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