When searching in admins list box show all group members and allow to appoint a new administrator right from this box.
		
			
				
	
	
		
			606 lines
		
	
	
	
		
			18 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			606 lines
		
	
	
	
		
			18 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
/*
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This file is part of Telegram Desktop,
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the official desktop version of Telegram messaging app, see https://telegram.org
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Telegram Desktop is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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It is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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In addition, as a special exception, the copyright holders give permission
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to link the code of portions of this program with the OpenSSL library.
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Full license: https://github.com/telegramdesktop/tdesktop/blob/master/LICENSE
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Copyright (c) 2014-2017 John Preston, https://desktop.telegram.org
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*/
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#pragma once
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#include "boxes/abstract_box.h"
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#include "mtproto/sender.h"
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#include "base/timer.h"
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namespace Ui {
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class RippleAnimation;
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class RoundImageCheckbox;
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class MultiSelect;
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template <typename Widget>
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class WidgetSlideWrap;
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class FlatLabel;
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} // namespace Ui
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using PeerListRowId = uint64;
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class PeerListRow {
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public:
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	PeerListRow(gsl::not_null<PeerData*> peer);
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	PeerListRow(gsl::not_null<PeerData*> peer, PeerListRowId id);
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	void setDisabled(bool disabled) {
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		_disabled = disabled;
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	}
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	// Checked state is controlled by the box with multiselect,
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	// not by the row itself, so there is no setChecked() method.
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	// We can query the checked state from row, but before it is
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	// added to the box it is always false.
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	bool checked() const;
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	gsl::not_null<PeerData*> peer() const {
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		return _peer;
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	}
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	PeerListRowId id() const {
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		return _id;
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	}
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	void setCustomStatus(const QString &status);
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	void clearCustomStatus();
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	virtual ~PeerListRow();
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	// Box interface.
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	virtual bool needsVerifiedIcon() const {
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		return _peer->isVerified();
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	}
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	virtual QSize actionSize() const {
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		return QSize();
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	}
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	virtual QMargins actionMargins() const {
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		return QMargins();
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	}
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	virtual void addActionRipple(QPoint point, base::lambda<void()> updateCallback) {
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	}
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	virtual void stopLastActionRipple() {
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	}
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	virtual void paintAction(Painter &p, TimeMs ms, int x, int y, int outerWidth, bool actionSelected) {
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	}
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	void refreshName();
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	const Text &name() const {
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		return _name;
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	}
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	enum class StatusType {
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		Online,
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		LastSeen,
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		Custom,
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	};
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	void refreshStatus();
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	void setAbsoluteIndex(int index) {
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		_absoluteIndex = index;
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	}
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	int absoluteIndex() const {
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		return _absoluteIndex;
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	}
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	bool disabled() const {
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		return _disabled;
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	}
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	bool isSearchResult() const {
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		return _isSearchResult;
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	}
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	void setIsSearchResult(bool isSearchResult) {
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		_isSearchResult = isSearchResult;
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	}
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	enum class SetStyle {
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		Animated,
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		Fast,
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	};
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	template <typename UpdateCallback>
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	void setChecked(bool checked, SetStyle style, UpdateCallback callback) {
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		if (checked && !_checkbox) {
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			createCheckbox(std::move(callback));
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		}
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		setCheckedInternal(checked, style);
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	}
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	void invalidatePixmapsCache();
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	template <typename UpdateCallback>
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	void addRipple(QSize size, QPoint point, UpdateCallback updateCallback);
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	void stopLastRipple();
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	void paintRipple(Painter &p, TimeMs ms, int x, int y, int outerWidth);
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	void paintUserpic(Painter &p, TimeMs ms, int x, int y, int outerWidth);
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	float64 checkedRatio();
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	void setNameFirstChars(const OrderedSet<QChar> &nameFirstChars) {
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		_nameFirstChars = nameFirstChars;
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	}
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	const OrderedSet<QChar> &nameFirstChars() const {
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		return _nameFirstChars;
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	}
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	virtual void lazyInitialize();
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	virtual void paintStatusText(Painter &p, int x, int y, int availableWidth, int outerWidth, bool selected);
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protected:
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	bool isInitialized() const {
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		return _initialized;
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	}
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private:
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	void createCheckbox(base::lambda<void()> updateCallback);
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	void setCheckedInternal(bool checked, SetStyle style);
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	void paintDisabledCheckUserpic(Painter &p, int x, int y, int outerWidth) const;
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	void setStatusText(const QString &text);
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	PeerListRowId _id = 0;
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	gsl::not_null<PeerData*> _peer;
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	std::unique_ptr<Ui::RippleAnimation> _ripple;
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	std::unique_ptr<Ui::RoundImageCheckbox> _checkbox;
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	Text _name;
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	Text _status;
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	StatusType _statusType = StatusType::Online;
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	OrderedSet<QChar> _nameFirstChars;
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	int _absoluteIndex = -1;
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	bool _initialized : 1;
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	bool _disabled : 1;
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	bool _isSearchResult : 1;
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};
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enum class PeerListSearchMode {
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	Disabled,
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	Enabled,
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};
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class PeerListDelegate {
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public:
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	virtual void peerListSetTitle(base::lambda<QString()> title) = 0;
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	virtual void peerListSetDescription(object_ptr<Ui::FlatLabel> description) = 0;
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	virtual void peerListSetSearchLoading(object_ptr<Ui::FlatLabel> loading) = 0;
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	virtual void peerListSetSearchNoResults(object_ptr<Ui::FlatLabel> noResults) = 0;
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	virtual void peerListSetSearchMode(PeerListSearchMode mode) = 0;
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	virtual void peerListAppendRow(std::unique_ptr<PeerListRow> row) = 0;
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	virtual void peerListAppendSearchRow(std::unique_ptr<PeerListRow> row) = 0;
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	virtual void peerListAppendFoundRow(gsl::not_null<PeerListRow*> row) = 0;
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	virtual void peerListPrependRow(std::unique_ptr<PeerListRow> row) = 0;
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	virtual void peerListPrependRowFromSearchResult(gsl::not_null<PeerListRow*> row) = 0;
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	virtual void peerListUpdateRow(gsl::not_null<PeerListRow*> row) = 0;
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	virtual void peerListRemoveRow(gsl::not_null<PeerListRow*> row) = 0;
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	virtual void peerListConvertRowToSearchResult(gsl::not_null<PeerListRow*> row) = 0;
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	virtual bool peerListIsRowSelected(gsl::not_null<PeerData*> peer) = 0;
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	virtual void peerListSetRowChecked(gsl::not_null<PeerListRow*> row, bool checked) = 0;
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	virtual gsl::not_null<PeerListRow*> peerListRowAt(int index) = 0;
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	virtual void peerListRefreshRows() = 0;
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	virtual void peerListScrollToTop() = 0;
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	virtual int peerListFullRowsCount() = 0;
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	virtual PeerListRow *peerListFindRow(PeerListRowId id) = 0;
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	virtual void peerListSortRows(base::lambda<bool(PeerListRow &a, PeerListRow &b)> compare) = 0;
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	virtual void peerListPartitionRows(base::lambda<bool(PeerListRow &a)> border) = 0;
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	template <typename PeerDataRange>
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	void peerListAddSelectedRows(PeerDataRange &&range) {
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		for (auto peer : range) {
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			peerListAddSelectedRowInBunch(peer);
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		}
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		peerListFinishSelectedRowsBunch();
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	}
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	virtual std::vector<gsl::not_null<PeerData*>> peerListCollectSelectedRows() = 0;
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	virtual ~PeerListDelegate() = default;
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private:
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	virtual void peerListAddSelectedRowInBunch(gsl::not_null<PeerData*> peer) = 0;
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	virtual void peerListFinishSelectedRowsBunch() = 0;
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};
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class PeerListSearchDelegate {
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public:
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	virtual void peerListSearchAddRow(gsl::not_null<PeerData*> peer) = 0;
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	virtual void peerListSearchRefreshRows() = 0;
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	virtual ~PeerListSearchDelegate() = default;
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};
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class PeerListSearchController {
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public:
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	virtual void searchQuery(const QString &query) = 0;
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	virtual bool isLoading() = 0;
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	virtual bool loadMoreRows() = 0;
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	virtual ~PeerListSearchController() = default;
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	void setDelegate(gsl::not_null<PeerListSearchDelegate*> delegate) {
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		_delegate = delegate;
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	}
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protected:
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	gsl::not_null<PeerListSearchDelegate*> delegate() const {
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		return _delegate;
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	}
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private:
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	PeerListSearchDelegate *_delegate = nullptr;
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};
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class PeerListController : public PeerListSearchDelegate {
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public:
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	// Search works only with RowId == peer->id.
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	PeerListController(std::unique_ptr<PeerListSearchController> searchController = nullptr);
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	void setDelegate(gsl::not_null<PeerListDelegate*> delegate) {
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		_delegate = delegate;
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		prepare();
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	}
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	virtual void prepare() = 0;
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	virtual void rowClicked(gsl::not_null<PeerListRow*> row) = 0;
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	virtual void rowActionClicked(gsl::not_null<PeerListRow*> row) {
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	}
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	virtual void loadMoreRows() {
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	}
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	bool isSearchLoading() const {
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		return _searchController ? _searchController->isLoading() : false;
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	}
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	virtual std::unique_ptr<PeerListRow> createSearchRow(gsl::not_null<PeerData*> peer) {
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		return std::unique_ptr<PeerListRow>();
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	}
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	bool isRowSelected(gsl::not_null<PeerData*> peer) {
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		return delegate()->peerListIsRowSelected(peer);
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	}
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	virtual bool searchInLocal() {
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		return true;
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	}
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	bool hasComplexSearch() const;
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	void search(const QString &query);
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	void peerListSearchAddRow(gsl::not_null<PeerData*> peer) override;
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	void peerListSearchRefreshRows() override;
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	virtual ~PeerListController() = default;
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protected:
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	gsl::not_null<PeerListDelegate*> delegate() const {
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		return _delegate;
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	}
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	PeerListSearchController *searchController() const {
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		return _searchController.get();
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	}
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	void setDescriptionText(const QString &text);
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	void setSearchLoadingText(const QString &text);
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	void setSearchNoResultsText(const QString &text);
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	void setDescription(object_ptr<Ui::FlatLabel> description) {
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		delegate()->peerListSetDescription(std::move(description));
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	}
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	void setSearchLoading(object_ptr<Ui::FlatLabel> loading) {
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		delegate()->peerListSetSearchLoading(std::move(loading));
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	}
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	void setSearchNoResults(object_ptr<Ui::FlatLabel> noResults) {
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		delegate()->peerListSetSearchNoResults(std::move(noResults));
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	}
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private:
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	PeerListDelegate *_delegate = nullptr;
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	std::unique_ptr<PeerListSearchController> _searchController = nullptr;
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};
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class PeerListBox : public BoxContent, public PeerListDelegate {
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public:
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	PeerListBox(QWidget*, std::unique_ptr<PeerListController> controller, base::lambda<void(PeerListBox*)> init);
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	void peerListSetTitle(base::lambda<QString()> title) override {
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		setTitle(std::move(title));
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	}
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	void peerListSetDescription(object_ptr<Ui::FlatLabel> description) override;
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	void peerListSetSearchLoading(object_ptr<Ui::FlatLabel> loading) override;
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	void peerListSetSearchNoResults(object_ptr<Ui::FlatLabel> noResults) override;
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	void peerListSetSearchMode(PeerListSearchMode mode) override;
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	void peerListAppendRow(std::unique_ptr<PeerListRow> row) override;
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	void peerListAppendSearchRow(std::unique_ptr<PeerListRow> row) override;
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	void peerListAppendFoundRow(gsl::not_null<PeerListRow*> row) override;
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	void peerListPrependRow(std::unique_ptr<PeerListRow> row) override;
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	void peerListPrependRowFromSearchResult(gsl::not_null<PeerListRow*> row) override;
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	void peerListUpdateRow(gsl::not_null<PeerListRow*> row) override;
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	void peerListRemoveRow(gsl::not_null<PeerListRow*> row) override;
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	void peerListConvertRowToSearchResult(gsl::not_null<PeerListRow*> row) override;
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	void peerListSetRowChecked(gsl::not_null<PeerListRow*> row, bool checked) override;
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	gsl::not_null<PeerListRow*> peerListRowAt(int index) override;
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	bool peerListIsRowSelected(gsl::not_null<PeerData*> peer) override;
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	std::vector<gsl::not_null<PeerData*>> peerListCollectSelectedRows() override;
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	void peerListRefreshRows() override;
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	void peerListScrollToTop() override;
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	int peerListFullRowsCount() override;
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	PeerListRow *peerListFindRow(PeerListRowId id) override;
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	void peerListSortRows(base::lambda<bool(PeerListRow &a, PeerListRow &b)> compare) override;
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	void peerListPartitionRows(base::lambda<bool(PeerListRow &a)> border) override;
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protected:
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	void prepare() override;
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	void setInnerFocus() override;
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	void keyPressEvent(QKeyEvent *e) override;
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	void resizeEvent(QResizeEvent *e) override;
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	void paintEvent(QPaintEvent *e) override;
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private:
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	void peerListAddSelectedRowInBunch(gsl::not_null<PeerData*> peer) override {
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		addSelectItem(peer, PeerListRow::SetStyle::Fast);
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	}
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	void peerListFinishSelectedRowsBunch() override;
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	void addSelectItem(gsl::not_null<PeerData*> peer, PeerListRow::SetStyle style);
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	object_ptr<Ui::WidgetSlideWrap<Ui::MultiSelect>> createMultiSelect();
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	int getTopScrollSkip() const;
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	void updateScrollSkips();
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	void searchQueryChanged(const QString &query);
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	object_ptr<Ui::WidgetSlideWrap<Ui::MultiSelect>> _select = { nullptr };
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	class Inner;
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	QPointer<Inner> _inner;
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	std::unique_ptr<PeerListController> _controller;
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	base::lambda<void(PeerListBox*)> _init;
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};
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// This class is hold in header because it requires Qt preprocessing.
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class PeerListBox::Inner : public TWidget, private base::Subscriber {
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	Q_OBJECT
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public:
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	Inner(QWidget *parent, gsl::not_null<PeerListController*> controller);
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	void selectSkip(int direction);
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	void selectSkipPage(int height, int direction);
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	void clearSelection();
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	void setVisibleTopBottom(int visibleTop, int visibleBottom) override;
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	void searchQueryChanged(QString query);
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	void submitted();
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	// Interface for the controller.
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	void appendRow(std::unique_ptr<PeerListRow> row);
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	void appendSearchRow(std::unique_ptr<PeerListRow> row);
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	void appendFoundRow(gsl::not_null<PeerListRow*> row);
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	void prependRow(std::unique_ptr<PeerListRow> row);
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	void prependRowFromSearchResult(gsl::not_null<PeerListRow*> row);
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	PeerListRow *findRow(PeerListRowId id);
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	void updateRow(gsl::not_null<PeerListRow*> row) {
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		updateRow(row, RowIndex());
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	}
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	void removeRow(gsl::not_null<PeerListRow*> row);
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	void convertRowToSearchResult(gsl::not_null<PeerListRow*> row);
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	int fullRowsCount() const;
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	gsl::not_null<PeerListRow*> rowAt(int index) const;
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	void setDescription(object_ptr<Ui::FlatLabel> description);
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	void setSearchLoading(object_ptr<Ui::FlatLabel> loading);
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	void setSearchNoResults(object_ptr<Ui::FlatLabel> noResults);
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	void refreshRows();
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	void setSearchMode(PeerListSearchMode mode);
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	void changeCheckState(gsl::not_null<PeerListRow*> row, bool checked, PeerListRow::SetStyle style);
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	template <typename ReorderCallback>
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	void reorderRows(ReorderCallback &&callback) {
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		callback(_rows.begin(), _rows.end());
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		for (auto &searchEntity : _searchIndex) {
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			callback(searchEntity.second.begin(), searchEntity.second.end());
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		}
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		refreshIndices();
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	}
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signals:
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	void mustScrollTo(int ymin, int ymax);
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public slots:
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	void peerUpdated(PeerData *peer);
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	void onPeerNameChanged(PeerData *peer, const PeerData::Names &oldNames, const PeerData::NameFirstChars &oldChars);
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protected:
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	void paintEvent(QPaintEvent *e) override;
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	void enterEventHook(QEvent *e) override;
 | 
						|
	void leaveEventHook(QEvent *e) override;
 | 
						|
	void mouseMoveEvent(QMouseEvent *e) override;
 | 
						|
	void mousePressEvent(QMouseEvent *e) override;
 | 
						|
	void mouseReleaseEvent(QMouseEvent *e) override;
 | 
						|
 | 
						|
private:
 | 
						|
	void refreshIndices();
 | 
						|
	void removeRowAtIndex(std::vector<std::unique_ptr<PeerListRow>> &from, int index);
 | 
						|
 | 
						|
	void invalidatePixmapsCache();
 | 
						|
 | 
						|
	struct RowIndex {
 | 
						|
		RowIndex() {
 | 
						|
		}
 | 
						|
		explicit RowIndex(int value) : value(value) {
 | 
						|
		}
 | 
						|
		int value = -1;
 | 
						|
	};
 | 
						|
	friend inline bool operator==(RowIndex a, RowIndex b) {
 | 
						|
		return (a.value == b.value);
 | 
						|
	}
 | 
						|
	friend inline bool operator!=(RowIndex a, RowIndex b) {
 | 
						|
		return !(a == b);
 | 
						|
	}
 | 
						|
 | 
						|
	struct Selected {
 | 
						|
		Selected() {
 | 
						|
		}
 | 
						|
		Selected(RowIndex index, bool action) : index(index), action(action) {
 | 
						|
		}
 | 
						|
		Selected(int index, bool action) : index(index), action(action) {
 | 
						|
		}
 | 
						|
		RowIndex index;
 | 
						|
		bool action = false;
 | 
						|
	};
 | 
						|
	friend inline bool operator==(Selected a, Selected b) {
 | 
						|
		return (a.index == b.index) && (a.action == b.action);
 | 
						|
	}
 | 
						|
	friend inline bool operator!=(Selected a, Selected b) {
 | 
						|
		return !(a == b);
 | 
						|
	}
 | 
						|
 | 
						|
	void setSelected(Selected selected);
 | 
						|
	void setPressed(Selected pressed);
 | 
						|
	void restoreSelection();
 | 
						|
 | 
						|
	void updateSelection();
 | 
						|
	void loadProfilePhotos();
 | 
						|
	void checkScrollForPreload();
 | 
						|
 | 
						|
	void updateRow(gsl::not_null<PeerListRow*> row, RowIndex hint);
 | 
						|
	void updateRow(RowIndex row);
 | 
						|
	int getRowTop(RowIndex row) const;
 | 
						|
	PeerListRow *getRow(RowIndex element);
 | 
						|
	RowIndex findRowIndex(gsl::not_null<PeerListRow*> row, RowIndex hint = RowIndex());
 | 
						|
	QRect getActionRect(gsl::not_null<PeerListRow*> row, RowIndex index) const;
 | 
						|
 | 
						|
	void paintRow(Painter &p, TimeMs ms, RowIndex index);
 | 
						|
 | 
						|
	void addRowEntry(gsl::not_null<PeerListRow*> row);
 | 
						|
	void addToSearchIndex(gsl::not_null<PeerListRow*> row);
 | 
						|
	bool addingToSearchIndex() const;
 | 
						|
	void removeFromSearchIndex(gsl::not_null<PeerListRow*> row);
 | 
						|
	void setSearchQuery(const QString &query, const QString &normalizedQuery);
 | 
						|
	bool showingSearch() const {
 | 
						|
		return !_searchQuery.isEmpty();
 | 
						|
	}
 | 
						|
	int shownRowsCount() const {
 | 
						|
		return showingSearch() ? _filterResults.size() : _rows.size();
 | 
						|
	}
 | 
						|
	template <typename Callback>
 | 
						|
	bool enumerateShownRows(Callback callback);
 | 
						|
	template <typename Callback>
 | 
						|
	bool enumerateShownRows(int from, int to, Callback callback);
 | 
						|
 | 
						|
	int labelHeight() const;
 | 
						|
 | 
						|
	void clearSearchRows();
 | 
						|
 | 
						|
	gsl::not_null<PeerListController*> _controller;
 | 
						|
	PeerListSearchMode _searchMode = PeerListSearchMode::Disabled;
 | 
						|
 | 
						|
	int _rowHeight = 0;
 | 
						|
	int _visibleTop = 0;
 | 
						|
	int _visibleBottom = 0;
 | 
						|
 | 
						|
	Selected _selected;
 | 
						|
	Selected _pressed;
 | 
						|
	bool _mouseSelection = false;
 | 
						|
 | 
						|
	std::vector<std::unique_ptr<PeerListRow>> _rows;
 | 
						|
	std::map<PeerListRowId, gsl::not_null<PeerListRow*>> _rowsById;
 | 
						|
	std::map<PeerData*, std::vector<gsl::not_null<PeerListRow*>>> _rowsByPeer;
 | 
						|
 | 
						|
	std::map<QChar, std::vector<gsl::not_null<PeerListRow*>>> _searchIndex;
 | 
						|
	QString _searchQuery;
 | 
						|
	QString _normalizedSearchQuery;
 | 
						|
	QString _mentionHighlight;
 | 
						|
	std::vector<gsl::not_null<PeerListRow*>> _filterResults;
 | 
						|
 | 
						|
	object_ptr<Ui::FlatLabel> _description = { nullptr };
 | 
						|
	object_ptr<Ui::FlatLabel> _searchNoResults = { nullptr };
 | 
						|
	object_ptr<Ui::FlatLabel> _searchLoading = { nullptr };
 | 
						|
 | 
						|
	QPoint _lastMousePosition;
 | 
						|
 | 
						|
	std::vector<std::unique_ptr<PeerListRow>> _searchRows;
 | 
						|
 | 
						|
};
 | 
						|
 | 
						|
class PeerListRowWithLink : public PeerListRow {
 | 
						|
public:
 | 
						|
	using PeerListRow::PeerListRow;
 | 
						|
 | 
						|
	void setActionLink(const QString &action);
 | 
						|
 | 
						|
	void lazyInitialize() override;
 | 
						|
 | 
						|
private:
 | 
						|
	void refreshActionLink();
 | 
						|
	QSize actionSize() const override;
 | 
						|
	QMargins actionMargins() const override;
 | 
						|
	void paintAction(Painter &p, TimeMs ms, int x, int y, int outerWidth, bool actionSelected) override;
 | 
						|
 | 
						|
	QString _action;
 | 
						|
	int _actionWidth = 0;
 | 
						|
 | 
						|
};
 | 
						|
 | 
						|
class PeerListGlobalSearchController : public PeerListSearchController, private MTP::Sender {
 | 
						|
public:
 | 
						|
	PeerListGlobalSearchController();
 | 
						|
 | 
						|
	void searchQuery(const QString &query) override;
 | 
						|
	bool isLoading() override;
 | 
						|
	bool loadMoreRows() override {
 | 
						|
		return false;
 | 
						|
	}
 | 
						|
 | 
						|
private:
 | 
						|
	bool searchInCache();
 | 
						|
	void searchOnServer();
 | 
						|
	void searchDone(const MTPcontacts_Found &result, mtpRequestId requestId);
 | 
						|
 | 
						|
	base::Timer _timer;
 | 
						|
	QString _query;
 | 
						|
	mtpRequestId _requestId = 0;
 | 
						|
	std::map<QString, MTPcontacts_Found> _cache;
 | 
						|
	std::map<mtpRequestId, QString> _queries;
 | 
						|
 | 
						|
};
 | 
						|
 | 
						|
class ChatsListBoxController : public PeerListController, protected base::Subscriber {
 | 
						|
public:
 | 
						|
	ChatsListBoxController(std::unique_ptr<PeerListSearchController> searchController = std::make_unique<PeerListGlobalSearchController>());
 | 
						|
 | 
						|
	void prepare() override final;
 | 
						|
	std::unique_ptr<PeerListRow> createSearchRow(gsl::not_null<PeerData*> peer) override final;
 | 
						|
 | 
						|
protected:
 | 
						|
	class Row : public PeerListRow {
 | 
						|
	public:
 | 
						|
		Row(gsl::not_null<History*> history) : PeerListRow(history->peer), _history(history) {
 | 
						|
		}
 | 
						|
		gsl::not_null<History*> history() const {
 | 
						|
			return _history;
 | 
						|
		}
 | 
						|
 | 
						|
	private:
 | 
						|
		gsl::not_null<History*> _history;
 | 
						|
 | 
						|
	};
 | 
						|
	virtual std::unique_ptr<Row> createRow(gsl::not_null<History*> history) = 0;
 | 
						|
	virtual void prepareViewHook() = 0;
 | 
						|
	virtual void updateRowHook(Row *row) {
 | 
						|
	}
 | 
						|
 | 
						|
private:
 | 
						|
	void rebuildRows();
 | 
						|
	void checkForEmptyRows();
 | 
						|
	bool appendRow(History *history);
 | 
						|
 | 
						|
};
 |