| 1 | /* |
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| 2 | This file is part of the KDE libraries |
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| 3 | SPDX-FileCopyrightText: 2025 g10 Code GmbH |
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| 4 | SPDX-FileContributor: Ingo Klöcker <dev@ingo-kloecker.de> |
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| 5 | |
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| 6 | SPDX-License-Identifier: LGPL-2.0-or-later |
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| 7 | */ |
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| 8 | |
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| 9 | #include "highcontrasthelper_p.h" |
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| 10 | |
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| 11 | #include <QGuiApplication> |
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| 12 | #include <QStyleHints> |
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| 13 | #if QT_VERSION >= QT_VERSION_CHECK(6, 10, 0) |
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| 14 | #include <QAccessibilityHints> |
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| 15 | #else |
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| 16 | #ifdef Q_OS_WIN |
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| 17 | #include <windows.h> |
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| 18 | #endif |
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| 19 | #endif |
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| 20 | |
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| 21 | static bool isHighContrastModeActive() |
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| 22 | { |
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| 23 | #if QT_VERSION >= QT_VERSION_CHECK(6, 10, 0) |
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| 24 | return QGuiApplication::styleHints()->accessibility()->contrastPreference() == Qt::ContrastPreference::HighContrast; |
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| 25 | #else |
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| 26 | #ifdef Q_OS_WIN |
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| 27 | HIGHCONTRAST result; |
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| 28 | result.cbSize = sizeof(HIGHCONTRAST); |
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| 29 | if (SystemParametersInfo(SPI_GETHIGHCONTRAST, result.cbSize, &result, 0)) { |
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| 30 | return (result.dwFlags & HCF_HIGHCONTRASTON); |
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| 31 | } |
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| 32 | #endif |
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| 33 | return false; |
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| 34 | #endif |
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| 35 | } |
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| 36 | |
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| 37 | static bool isDefaultColorSchemeInUse() |
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| 38 | { |
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| 39 | const QVariant colorSchemePathProperty = qApp->property(name: "KDE_COLOR_SCHEME_PATH" ); |
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| 40 | return !colorSchemePathProperty.isValid() || colorSchemePathProperty.toString().isEmpty(); |
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| 41 | } |
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| 42 | |
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| 43 | bool isHighContrastColorSchemeInUse() |
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| 44 | { |
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| 45 | return isHighContrastModeActive() && isDefaultColorSchemeInUse(); |
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| 46 | } |
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| 47 | |
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