96 lines
2.5 KiB
C++
96 lines
2.5 KiB
C++
/*
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This file is part of Telegram Desktop,
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the official desktop application for the Telegram messaging service.
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For license and copyright information please follow this link:
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https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
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*/
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#pragma once
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#include "info/media/info_media_common.h"
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#include "layout/layout_mosaic.h"
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#include "ui/text/text.h"
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namespace Info::Media {
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class ListSection {
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public:
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ListSection(Type type, not_null<ListSectionDelegate*> delegate);
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bool addItem(not_null<BaseLayout*> item);
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void finishSection();
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[[nodiscard]] bool empty() const;
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[[nodiscard]] UniversalMsgId minId() const;
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void setTop(int top);
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[[nodiscard]] int top() const;
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void resizeToWidth(int newWidth);
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[[nodiscard]] int height() const;
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[[nodiscard]] int bottom() const;
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bool removeItem(not_null<const HistoryItem*> item);
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[[nodiscard]] std::optional<ListFoundItem> findItemByItem(
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not_null<const HistoryItem*> item) const;
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[[nodiscard]] ListFoundItem findItemDetails(
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not_null<BaseLayout*> item) const;
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[[nodiscard]] ListFoundItem findItemByPoint(QPoint point) const;
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using Items = std::vector<not_null<BaseLayout*>>;
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const Items &items() const;
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void paint(
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Painter &p,
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const ListContext &context,
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QRect clip,
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int outerWidth) const;
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void paintFloatingHeader(Painter &p, int visibleTop, int outerWidth);
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private:
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[[nodiscard]] int headerHeight() const;
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void appendItem(not_null<BaseLayout*> item);
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void setHeader(not_null<BaseLayout*> item);
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[[nodiscard]] bool belongsHere(not_null<BaseLayout*> item) const;
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[[nodiscard]] Items::iterator findItemAfterTop(int top);
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[[nodiscard]] Items::const_iterator findItemAfterTop(int top) const;
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[[nodiscard]] Items::const_iterator findItemAfterBottom(
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Items::const_iterator from,
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int bottom) const;
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[[nodiscard]] QRect findItemRect(not_null<const BaseLayout*> item) const;
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[[nodiscard]] ListFoundItem completeResult(
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not_null<BaseLayout*> item,
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bool exact) const;
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[[nodiscard]] TextSelection itemSelection(
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not_null<const BaseLayout*> item,
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const ListContext &context) const;
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int recountHeight();
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void refreshHeight();
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Type _type = Type{};
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not_null<ListSectionDelegate*> _delegate;
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bool _hasFloatingHeader = false;
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Ui::Text::String _header;
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Items _items;
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base::flat_map<
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not_null<const HistoryItem*>,
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not_null<BaseLayout*>> _byItem;
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int _itemsLeft = 0;
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int _itemsTop = 0;
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int _itemWidth = 0;
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int _itemHeight = 0;
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int _itemsInRow = 1;
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mutable int _rowsCount = 0;
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int _top = 0;
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int _height = 0;
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Mosaic::Layout::MosaicLayout<BaseLayout> _mosaic;
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};
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} // namespace Info::Media
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