54 lines
1.6 KiB
C++
54 lines
1.6 KiB
C++
#pragma once
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#include "modern-qt/utility/qt_wrapper/margin_setter.hh"
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#include "modern-qt/utility/trait/widget.hh"
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#include "modern-qt/utility/wrapper/common.hh"
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namespace creeper::layout::pro {
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struct Layout { };
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using Token = common::Token<Layout>;
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using ContentsMargin = SetterProp<Token, QMargins,
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[](auto& self, const auto& margins) { self.setContentsMargins(margins); }>;
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using Alignment = SetterProp<Token, Qt::Alignment,
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[](auto& self, const auto& alignment) { self.setAlignment(alignment); }>;
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using Spacing =
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SetterProp<Token, int, [](auto& self, const auto& spacing) { self.setSpacing(spacing); }>;
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using Margin = SetterProp<Token, int, qt::margin_setter>;
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template <widget_trait T>
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struct Widget : Token {
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T* item_pointer = nullptr;
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explicit Widget(T* pointer) noexcept
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: item_pointer { pointer } { }
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explicit Widget(auto&&... args) noexcept
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requires std::constructible_from<T, decltype(args)...>
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: item_pointer { new T { std::forward<decltype(args)>(args)... } } { }
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auto apply(auto& layout) const { layout.addWidget(item_pointer); }
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};
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// 传入一个方法用来辅助构造，在没有想要的接口时用这个吧
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template <typename Lambda>
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struct Apply : Token {
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Lambda lambda;
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explicit Apply(Lambda lambda) noexcept
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: lambda { lambda } { }
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auto apply(auto& self) const noexcept -> void {
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if constexpr (std::invocable<Lambda>) lambda();
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if constexpr (std::invocable<Lambda, decltype(self)>) lambda(self);
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}
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};
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template <class T>
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concept trait = std::derived_from<T, Token>;
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CREEPER_DEFINE_CHECKER(trait);
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}
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