| /**************************************************************************** |
| ** |
| ** Copyright (C) 2017 The Qt Company Ltd. |
| ** Contact: http://www.qt.io/licensing/ |
| ** |
| ** This file is part of the Qt Quick Templates 2 module of the Qt Toolkit. |
| ** |
| ** $QT_BEGIN_LICENSE:LGPL3$ |
| ** Commercial License Usage |
| ** Licensees holding valid commercial Qt licenses may use this file in |
| ** accordance with the commercial license agreement provided with the |
| ** Software or, alternatively, in accordance with the terms contained in |
| ** a written agreement between you and The Qt Company. For licensing terms |
| ** and conditions see http://www.qt.io/terms-conditions. For further |
| ** information use the contact form at http://www.qt.io/contact-us. |
| ** |
| ** GNU Lesser General Public License Usage |
| ** Alternatively, this file may be used under the terms of the GNU Lesser |
| ** General Public License version 3 as published by the Free Software |
| ** Foundation and appearing in the file LICENSE.LGPLv3 included in the |
| ** packaging of this file. Please review the following information to |
| ** ensure the GNU Lesser General Public License version 3 requirements |
| ** will be met: https://www.gnu.org/licenses/lgpl.html. |
| ** |
| ** GNU General Public License Usage |
| ** Alternatively, this file may be used under the terms of the GNU |
| ** General Public License version 2.0 or later as published by the Free |
| ** Software Foundation and appearing in the file LICENSE.GPL included in |
| ** the packaging of this file. Please review the following information to |
| ** ensure the GNU General Public License version 2.0 requirements will be |
| ** met: http://www.gnu.org/licenses/gpl-2.0.html. |
| ** |
| ** $QT_END_LICENSE$ |
| ** |
| ****************************************************************************/ |
| |
| #include "qquickpaletteprovider_p.h" |
| #include "qquickpalette_p.h" |
| |
| #include <QtQml/private/qqmlvaluetype_p.h> |
| |
| QT_BEGIN_NAMESPACE |
| |
| static QQmlValueTypeProvider *instance() |
| { |
| static QQuickPaletteProvider provider; |
| return &provider; |
| } |
| |
| void QQuickPaletteProvider::init() |
| { |
| QQml_addValueTypeProvider(instance()); |
| } |
| |
| void QQuickPaletteProvider::cleanup() |
| { |
| QQml_removeValueTypeProvider(instance()); |
| } |
| |
| #if defined(QT_NO_DEBUG) && !defined(QT_FORCE_ASSERTS) |
| #define ASSERT_VALID_SIZE(size, min) Q_UNUSED(size) |
| #else |
| #define ASSERT_VALID_SIZE(size, min) Q_ASSERT(size >= min) |
| #endif |
| |
| const QMetaObject *QQuickPaletteProvider::getMetaObjectForMetaType(int type) |
| { |
| switch (type) { |
| case QMetaType::QPalette: |
| return &QQuickPalette::staticMetaObject; |
| default: |
| break; |
| } |
| |
| return nullptr; |
| } |
| |
| bool QQuickPaletteProvider::init(int type, QVariant& dst) |
| { |
| switch (type) { |
| case QMetaType::QPalette: |
| dst.setValue<QPalette>(QPalette()); |
| return true; |
| default: break; |
| } |
| |
| return false; |
| } |
| |
| template<typename T> |
| bool typedEqual(const void *lhs, const QVariant& rhs) |
| { |
| return (*(reinterpret_cast<const T *>(lhs)) == rhs.value<T>()); |
| } |
| |
| bool QQuickPaletteProvider::equal(int type, const void *lhs, const QVariant &rhs) |
| { |
| switch (type) { |
| case QMetaType::QPalette: |
| return typedEqual<QPalette>(lhs, rhs); |
| default: break; |
| } |
| |
| return false; |
| } |
| |
| template<typename T> |
| bool typedStore(const void *src, void *dst, size_t dstSize) |
| { |
| ASSERT_VALID_SIZE(dstSize, sizeof(T)); |
| const T *srcT = reinterpret_cast<const T *>(src); |
| T *dstT = reinterpret_cast<T *>(dst); |
| new (dstT) T(*srcT); |
| return true; |
| } |
| |
| bool QQuickPaletteProvider::store(int type, const void *src, void *dst, size_t dstSize) |
| { |
| switch (type) { |
| case QMetaType::QPalette: |
| return typedStore<QPalette>(src, dst, dstSize); |
| default: break; |
| } |
| |
| return false; |
| } |
| |
| template<typename T> |
| bool typedRead(const QVariant& src, int dstType, void *dst) |
| { |
| T *dstT = reinterpret_cast<T *>(dst); |
| if (src.type() == static_cast<uint>(dstType)) { |
| *dstT = src.value<T>(); |
| } else { |
| *dstT = T(); |
| } |
| return true; |
| } |
| |
| bool QQuickPaletteProvider::read(const QVariant &src, void *dst, int dstType) |
| { |
| switch (dstType) { |
| case QMetaType::QPalette: |
| return typedRead<QPalette>(src, dstType, dst); |
| default: break; |
| } |
| |
| return false; |
| } |
| |
| template<typename T> |
| bool typedWrite(const void *src, QVariant& dst) |
| { |
| const T *srcT = reinterpret_cast<const T *>(src); |
| if (dst.value<T>() != *srcT) { |
| dst = *srcT; |
| return true; |
| } |
| return false; |
| } |
| |
| bool QQuickPaletteProvider::write(int type, const void *src, QVariant& dst) |
| { |
| switch (type) { |
| case QMetaType::QPalette: |
| return typedWrite<QPalette>(src, dst); |
| default: break; |
| } |
| |
| return false; |
| } |
| |
| #undef ASSERT_VALID_SIZE |
| |
| QT_END_NAMESPACE |