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PropertyModifier.h
    1// AUI Framework - Declarative UI toolkit for modern C++20
    2// Copyright (C) 2020-2025 Alex2772 and Contributors
    3//
    4// SPDX-License-Identifier: MPL-2.0
    5//
    6// This Source Code Form is subject to the terms of the Mozilla Public
    7// License, v. 2.0. If a copy of the MPL was not distributed with this
    8// file, You can obtain one at http://mozilla.org/MPL/2.0/.
    9
   10#pragma once
   11
   12#include <AUI/Traits/concepts.h>
   13
   14namespace aui {
   25template<typename Property>
   26class PropertyModifier;
   27}
   28
   29template<typename T>
   30inline decltype(auto) operator*(aui::PropertyModifier<T>&& t) {
   31    return t.value();
   32}
   33
   34template<typename T>
   35inline decltype(auto) operator*(const aui::PropertyModifier<T>& t) {
   36    return t.value();
   37}
   38
   39#define AUI_DETAIL_BINARY_OP(op)                                                                                   \
   40template<typename T, typename Rhs>                                                                                 \
   41inline decltype(auto) operator op (const aui::PropertyModifier<T>& lhs, Rhs&& rhs) {/* writeScope forwarding op */ \
   42    return *lhs op std::forward<Rhs>(rhs);                                                                         \
   43}                                                                                                                  \
   44
   45// keep in sync with detail/property.h
   46
   47// comparison
   48AUI_DETAIL_BINARY_OP(==)
   49AUI_DETAIL_BINARY_OP(!=)
   50AUI_DETAIL_BINARY_OP(<=)
   51AUI_DETAIL_BINARY_OP(>=)
   52AUI_DETAIL_BINARY_OP(<)
   53AUI_DETAIL_BINARY_OP(>)
   54
   55// arithmetic/logical
   56AUI_DETAIL_BINARY_OP(+)
   57AUI_DETAIL_BINARY_OP(-)
   58AUI_DETAIL_BINARY_OP(*)
   59AUI_DETAIL_BINARY_OP(/)
   60AUI_DETAIL_BINARY_OP(&)
   61AUI_DETAIL_BINARY_OP(&&)
   62AUI_DETAIL_BINARY_OP(|)
   63AUI_DETAIL_BINARY_OP(||)
   64AUI_DETAIL_BINARY_OP(<<)
   65AUI_DETAIL_BINARY_OP(>>)
   66
   67// assignment
   68AUI_DETAIL_BINARY_OP(+=)
   69AUI_DETAIL_BINARY_OP(-=)
   70AUI_DETAIL_BINARY_OP(*=)
   71AUI_DETAIL_BINARY_OP(/=)
   72AUI_DETAIL_BINARY_OP(&=)
   73AUI_DETAIL_BINARY_OP(|=)
   74AUI_DETAIL_BINARY_OP(<<=)
   75AUI_DETAIL_BINARY_OP(>>=)
   76
   77#undef AUI_DETAIL_BINARY_OP
aui::PropertyModifier
Temporary transparent object that gains write access to underlying property's value,...
Definition PropertyModifier.h:26

© 2025 AUI Framework Contributors. Documentation contributions included herein are the copyrights of their respective owners. The documentation provided herein is licensed under the terms of the GNU Free Documentation License version 1.3 as published by the Free Software Foundation. All trademarks are property of their respective owners.