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32531fe5ef
* Use `Gio::List{Model,Store}` for torrents
Switch from `Gtk::{TreeModel,ListStore}` in preparation for cell
renderers deprecation in GTK 4.10. That will require switching to the
new view classes (`Gtk::{Column,List}View`) which only work with `Gio`
models. Implement an adapter to support GTK+ 3 where the old view class
(`Gtk::TreeView`) only works with `Gtk` models; it is effective enough
but requires a signal connection per item to notify on row changes.
Refactor filtering and sorting (which now happen over the new model) to
use compatible `Gtk::Filter` and `Gtk::Sorter` classes. Although these
classes are only present in GTK 4, the abstraction is suitable for GTK+
3 as well so make our subclasses work for both versions.
Since items (of `Torrent` class) of the new model provide only a very
limited (by design) layer of compatibility with GTK+ 3 way of doing
things, refactor selection handling to do it the new way. Move selection
helpers into `MainWindow` to abstract them away since new view classes
handle it differently.
* Improve session load performance based on profiling results
97 lines
2.0 KiB
C++
97 lines
2.0 KiB
C++
// This file Copyright © 2022 Mnemosyne LLC.
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// It may be used under GPLv2 (SPDX: GPL-2.0-only), GPLv3 (SPDX: GPL-3.0-only),
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// or any future license endorsed by Mnemosyne LLC.
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// License text can be found in the licenses/ folder.
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#pragma once
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#include <initializer_list>
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#include <type_traits>
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#define DEFINE_FLAGS_OPERATORS(FlagType) \
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constexpr inline Flags<FlagType> operator|(FlagType lhs, FlagType rhs) noexcept \
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{ \
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return { lhs, rhs }; \
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}
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template<typename T>
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class Flags
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{
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public:
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using FlagType = T;
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using ValueType = std::underlying_type_t<FlagType>;
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static_assert(std::is_enum_v<FlagType> && !std::is_convertible_v<FlagType, ValueType>);
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public:
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constexpr Flags() noexcept = default;
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constexpr Flags(FlagType flag) noexcept
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{
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set(flag);
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}
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constexpr Flags(std::initializer_list<FlagType> flags) noexcept
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{
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for (auto const flag : flags)
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{
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set(flag);
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}
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}
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constexpr bool none() const noexcept
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{
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return value_ == 0;
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}
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constexpr bool any() const noexcept
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{
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return !none();
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}
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constexpr bool test(FlagType flag) const noexcept
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{
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return (value_ & get_mask(flag)) != 0;
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}
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constexpr bool test(Flags rhs) const noexcept
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{
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return (value_ & rhs.value_) != 0;
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}
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constexpr void set(FlagType flag) noexcept
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{
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value_ |= get_mask(flag);
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}
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constexpr Flags operator|(Flags rhs) noexcept
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{
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return Flags(value_ | rhs.value_);
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}
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constexpr Flags& operator|=(Flags rhs) noexcept
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{
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value_ |= rhs.value_;
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return *this;
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}
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constexpr Flags operator~() const noexcept
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{
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return Flags(~value_);
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}
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private:
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constexpr explicit Flags(ValueType value) noexcept
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: value_(value)
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{
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}
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static constexpr ValueType get_mask(FlagType flag) noexcept
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{
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return ValueType{ 1 } << static_cast<ValueType>(flag);
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}
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private:
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ValueType value_ = {};
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};
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