mirror of
https://github.com/transmission/transmission
synced 2024-12-23 08:13:27 +00:00
bd72b8c3fc
* Fix `readability-avoid-const-params-in-decls` clang-tidy issues * Fix `bugprone-macro-parentheses` clang-tidy issues * Fix `modernize-use-using` clang-tidy issues * Fix `readability-named-parameter` clang-tidy issues * Fix `cppcoreguidelines-owning-memory` clang-tidy issues * Fix `cppcoreguidelines-special-member-functions` clang-tidy issues * Fix `cppcoreguidelines-macro-usage` clang-tidy issues * Fix `modernize-use-nodiscard` clang-tidy issues * Fix `cppcoreguidelines-macro-usage` clang-tidy issues * Add headers filter for /gtk/ subdirectory
88 lines
3.1 KiB
C++
88 lines
3.1 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 "GtkCompat.h"
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#include <giomm/listmodel.h>
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#include <glibmm/object.h>
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#include <glibmm/refptr.h>
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#include <glibmm/value.h>
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#include <gtkmm/treemodel.h>
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#include <gtkmm/treemodelcolumn.h>
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#include <optional>
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#include <unordered_map>
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#include <vector>
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class ListModelAdapter
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: public Gtk::TreeModel
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, public Glib::Object
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{
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using IdGetter = std::function<int(Glib::RefPtr<Glib::ObjectBase const> const&)>;
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using ValueGetter = std::function<void(Glib::RefPtr<Glib::ObjectBase const> const&, int, Glib::ValueBase&)>;
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enum class PositionAdjustment
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{
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DECREMENT = -1,
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INCREMENT = 1,
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};
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struct ItemInfo
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{
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int id = 0;
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sigc::connection notify_tag;
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};
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using TrTreeModelFlags = IF_GTKMM4(Gtk::TreeModel::Flags, Gtk::TreeModelFlags);
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public:
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template<typename T>
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static Glib::RefPtr<ListModelAdapter> create(Glib::RefPtr<Gio::ListModel> const& adaptee)
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{
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return Glib::make_refptr_for_instance(
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// NOLINTNEXTLINE(cppcoreguidelines-owning-memory)
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new ListModelAdapter(adaptee, T::get_columns(), &T::get_item_id, &T::get_item_value));
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}
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protected:
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// Gtk::TreeModel
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TrTreeModelFlags get_flags_vfunc() const override;
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int get_n_columns_vfunc() const override;
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GType get_column_type_vfunc(int index) const override;
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bool iter_next_vfunc(iterator const& iter, iterator& iter_next) const override;
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bool get_iter_vfunc(Path const& path, iterator& iter) const override;
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bool iter_children_vfunc(iterator const& parent, iterator& iter) const override;
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bool iter_parent_vfunc(iterator const& child, iterator& iter) const override;
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bool iter_nth_root_child_vfunc(int position, iterator& iter) const override;
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bool iter_has_child_vfunc(const_iterator const& iter) const override;
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int iter_n_root_children_vfunc() const override;
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TreeModel::Path get_path_vfunc(const_iterator const& iter) const override;
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void get_value_vfunc(const_iterator const& iter, int column, Glib::ValueBase& value) const override;
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private:
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ListModelAdapter(
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Glib::RefPtr<Gio::ListModel> const& adaptee,
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Gtk::TreeModelColumnRecord const& columns,
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IdGetter id_getter,
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ValueGetter value_getter);
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std::optional<guint> find_item_position_by_id(int item_id) const;
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void adjust_item_positions(guint min_position, PositionAdjustment adjustment);
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void on_adaptee_items_changed(guint position, guint removed, guint added);
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void on_adaptee_item_changed(Glib::RefPtr<Glib::ObjectBase const> const& item);
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private:
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Glib::RefPtr<Gio::ListModel> const adaptee_;
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Gtk::TreeModelColumnRecord const& columns_;
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IdGetter const id_getter_;
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ValueGetter const value_getter_;
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int const stamp_ = 1;
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std::vector<ItemInfo> items_;
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std::unordered_map<int, guint> mutable item_positions_;
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};
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