Files
deskflow/src/lib/gui/StyleUtils.h
2025-03-29 18:18:12 +00:00

67 lines
1.9 KiB
C++

/*
* Deskflow -- mouse and keyboard sharing utility
* SPDX-FileCopyrightText: (C) 2024 Symless Ltd.
* SPDX-License-Identifier: GPL-2.0-only WITH LicenseRef-OpenSSL-Exception
*/
#pragma once
#include <QDir>
#include <QFileInfoList>
#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();
}
/**
* @brief get a string for the iconMode
* @returns "dark" or "light"
*/
inline QString iconMode()
{
return isDarkMode() ? QStringLiteral("dark") : QStringLiteral("light");
}
/**
* @brief checkSubDir checks for subdirs in a dir
* @param path The path to check for subdirs
* @return list of subdirs
*/
inline QStringList checkSubDir(const QString &path)
{
QStringList paths;
auto dir = QDir(path);
const QFileInfoList items = dir.entryInfoList({"*"}, QDir::Dirs | QDir::Files | QDir::NoDotAndDotDot);
for (const QFileInfo &item : items) {
if (item.isDir()) {
paths.append(item.absoluteFilePath());
paths.append(checkSubDir(item.absoluteFilePath()));
}
}
return paths;
}
/**
* @brief setIconFallbackPaths Set the icon fallback path to our light or dark theme
*/
inline void setIconFallbackPaths()
{
QStringList paths = checkSubDir(QStringLiteral(":/icons/deskflow-%1").arg(iconMode()));
QIcon::setFallbackSearchPaths(paths);
}
} // namespace deskflow::gui