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Diffstat (limited to 'src/gui/kernel/qpalette_p.h')
-rw-r--r-- | src/gui/kernel/qpalette_p.h | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/src/gui/kernel/qpalette_p.h b/src/gui/kernel/qpalette_p.h new file mode 100644 index 0000000000..ce7c30d66d --- /dev/null +++ b/src/gui/kernel/qpalette_p.h @@ -0,0 +1,77 @@ +// Copyright (C) 2023 The Qt Company Ltd. +// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only + +#ifndef QPALETTE_P_H +#define QPALETTE_P_H + +// +// W A R N I N G +// ------------- +// +// This file is not part of the Qt API. It exists purely as an +// implementation detail. This header file may change from version to +// version without notice, or even be removed. +// +// We mean it. +// + +#include "qpalette.h" + +QT_BEGIN_NAMESPACE + +class Q_GUI_EXPORT QPalettePrivate +{ +public: + class Data : public QSharedData { + public: + // Every instance of Data has to have a unique serial number, even + // if it gets created by copying another - we wouldn't create a copy + // in the first place if the serial number should be the same! + Data(const Data &other) + : QSharedData(other) + { + for (int grp = 0; grp < int(QPalette::NColorGroups); grp++) { + for (int role = 0; role < int(QPalette::NColorRoles); role++) + br[grp][role] = other.br[grp][role]; + } + } + Data() = default; + + QBrush br[QPalette::NColorGroups][QPalette::NColorRoles]; + const int ser_no = qt_palette_count++; + }; + + QPalettePrivate(const QExplicitlySharedDataPointer<Data> &data) + : ref(1), data(data) + { } + QPalettePrivate() + : QPalettePrivate(QExplicitlySharedDataPointer<Data>(new Data)) + { } + + static constexpr QPalette::ResolveMask colorRoleOffset(QPalette::ColorGroup colorGroup) + { + // Exclude NoRole; that bit is used for Accent + return (qToUnderlying(QPalette::NColorRoles) - 1) * qToUnderlying(colorGroup); + } + + static constexpr QPalette::ResolveMask bitPosition(QPalette::ColorGroup colorGroup, + QPalette::ColorRole colorRole) + { + // Map Accent into NoRole for resolving purposes + if (colorRole == QPalette::Accent) + colorRole = QPalette::NoRole; + + return colorRole + colorRoleOffset(colorGroup); + } + + QAtomicInt ref; + QPalette::ResolveMask resolveMask = {0}; + static inline int qt_palette_count = 0; + static inline int qt_palette_private_count = 0; + int detach_no = ++qt_palette_private_count; + QExplicitlySharedDataPointer<Data> data; +}; + +QT_END_NAMESPACE + +#endif // QPALETTE_P_H |