84 lines
2.7 KiB
C++
84 lines
2.7 KiB
C++
#pragma once
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#include "modern-qt/utility/wrapper/common.hh"
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#include "modern-qt/utility/wrapper/property.hh"
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#include <qgridlayout.h>
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namespace creeper {
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namespace grid::internal {
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class Grid : public QGridLayout { };
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}
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namespace grid::pro {
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using Token = common::Token<QGridLayout>;
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struct RowSpacing : Token { };
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struct ColSpacing : Token { };
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template <class T>
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requires std::is_convertible_v<T*, QWidget*> || std::is_convertible_v<T*, QLayout*>
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struct Item : Token {
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using Align = Qt::Alignment;
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struct LayoutMethod {
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int row = 0, row_span = 0;
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int col = 0, col_span = 0;
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Align align;
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explicit LayoutMethod(int row, int col, Align align = {})
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: row { row }
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, col { col }
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, align { align } { }
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explicit LayoutMethod(int row, int row_span, int col, int col_span, Align align = {})
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: row { row }
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, col { col }
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, row_span { row_span }
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, col_span { col_span }
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, align { align } { }
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} method;
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T* item_pointer = nullptr;
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explicit Item(const LayoutMethod& method, 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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, method(method) { }
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explicit Item(const LayoutMethod& method, T* pointer) noexcept
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: item_pointer { pointer }
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, method { method } { }
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void apply(QGridLayout& layout) const {
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if (method.col_span == 0) {
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if constexpr (std::is_convertible_v<T*, QWidget*>)
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layout.addWidget(item_pointer, method.row, method.col, method.align);
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if constexpr (std::is_convertible_v<T*, QLayout*>)
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layout.addLayout(item_pointer, method.row, method.col, method.align);
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} else {
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if constexpr (std::is_convertible_v<T*, QWidget*>)
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layout.addWidget(item_pointer, method.row, method.row_span, method.col,
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method.col_span, method.align);
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if constexpr (std::is_convertible_v<T*, QLayout*>)
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layout.addLayout(item_pointer, method.row, method.row_span, method.col,
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method.col_span, method.align);
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}
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}
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};
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struct Items : Token {
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explicit Items() { }
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void apply(QGridLayout& self) const { }
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};
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template <typename 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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using Grid = Declarative<grid::internal::Grid, grid::pro::checker>;
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}
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