403 lines
11 KiB
C++
403 lines
11 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 "window/section_widget.h"
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#include "window/top_bar_widget.h"
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#include "ui/widgets/tooltip.h"
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#include "ui/widgets/scroll_area.h"
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namespace Overview {
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namespace Layout {
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class AbstractItem;
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class ItemBase;
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class Date;
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} // namespace Layout
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} // namespace Overview
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namespace Ui {
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class AbstractButton;
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class PlainShadow;
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class PopupMenu;
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class IconButton;
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class FlatInput;
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class CrossButton;
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class DropdownMenu;
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} // namespace Ui
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namespace Notify {
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struct PeerUpdate;
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} // namespace Notify
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namespace Window {
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class Controller;
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class TopBarWidget;
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} // namespace Window
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class OverviewWidget;
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class OverviewInner : public TWidget, public Ui::AbstractTooltipShower, public RPCSender, private base::Subscriber {
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Q_OBJECT
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public:
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OverviewInner(OverviewWidget *overview, Ui::ScrollArea *scroll, PeerData *peer, MediaOverviewType type);
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void activate();
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void clear();
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int32 itemTop(const FullMsgId &msgId) const;
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bool preloadLocal();
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void preloadMore();
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void showContextMenu(QContextMenuEvent *e, bool showFromTouch = false);
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void dragActionStart(const QPoint &screenPos, Qt::MouseButton button = Qt::LeftButton);
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void dragActionUpdate(const QPoint &screenPos);
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void dragActionFinish(const QPoint &screenPos, Qt::MouseButton button = Qt::LeftButton);
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void dragActionCancel();
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void touchScrollUpdated(const QPoint &screenPos);
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QPoint mapMouseToItem(QPoint p, MsgId itemId, int32 itemIndex);
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int32 resizeToWidth(int32 nwidth, int32 scrollTop, int32 minHeight, bool force = false); // returns new scroll top
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void dropResizeIndex();
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PeerData *peer() const;
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PeerData *migratePeer() const;
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MediaOverviewType type() const;
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void switchType(MediaOverviewType type);
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void setSelectMode(bool enabled);
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void mediaOverviewUpdated();
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void repaintItem(const HistoryItem *msg);
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Window::TopBarWidget::SelectedState getSelectionState() const;
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void clearSelectedItems(bool onlyTextSelection = false);
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SelectedItemSet getSelectedItems() const;
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// AbstractTooltipShower interface
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QString tooltipText() const override;
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QPoint tooltipPos() const override;
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~OverviewInner();
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protected:
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bool event(QEvent *e) override;
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void touchEvent(QTouchEvent *e);
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void paintEvent(QPaintEvent *e) override;
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void mouseMoveEvent(QMouseEvent *e) override;
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void mousePressEvent(QMouseEvent *e) override;
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void mouseReleaseEvent(QMouseEvent *e) override;
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void keyPressEvent(QKeyEvent *e) override;
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void enterEventHook(QEvent *e) override;
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void leaveEventHook(QEvent *e) override;
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void resizeEvent(QResizeEvent *e) override;
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public slots:
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void onUpdateSelected();
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void copyContextUrl();
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void cancelContextDownload();
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void showContextInFolder();
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void goToMessage();
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void forwardMessage();
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void selectMessage();
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void onSearchUpdate();
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void onCancel();
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bool onCancelSearch();
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void onMenuDestroy(QObject *obj);
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void onTouchSelect();
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void onTouchScrollTimer();
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bool onSearchMessages(bool searchCache = false);
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void onNeedSearchMessages();
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private:
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void saveDocumentToFile(DocumentData *document);
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void invalidateCache();
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void resizeItems();
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void resizeAndRepositionItems();
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void performDrag();
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void itemRemoved(HistoryItem *item);
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MsgId complexMsgId(const HistoryItem *item) const;
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void changingMsgId(HistoryItem *row, MsgId newId);
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bool itemMigrated(MsgId msgId) const;
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ChannelId itemChannel(MsgId msgId) const;
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MsgId itemMsgId(MsgId msgId) const;
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int32 migratedIndexSkip() const;
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void fixItemIndex(int32 ¤t, MsgId msgId) const;
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bool itemHasPoint(MsgId msgId, int32 index, int32 x, int32 y) const;
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int32 itemHeight(MsgId msgId, int32 index) const;
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void moveToNextItem(MsgId &msgId, int32 &index, MsgId upTo, int32 delta) const;
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void updateDragSelection(MsgId dragSelFrom, int32 dragSelFromIndex, MsgId dragSelTo, int32 dragSelToIndex, bool dragSelecting);
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void repaintItem(MsgId itemId, int32 itemIndex);
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void touchResetSpeed();
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void touchUpdateSpeed();
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void touchDeaccelerate(int32 elapsed);
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void applyDragSelection();
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void addSelectionRange(int32 selFrom, int32 selTo, History *history);
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void recountMargins();
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int countHeight();
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OverviewWidget *_overview;
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Ui::ScrollArea *_scroll;
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int _resizeIndex = -1;
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int _resizeSkip = 0;
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PeerData *_peer;
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MediaOverviewType _type;
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bool _reversed;
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History *_history;
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History *_migrated;
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ChannelId _channel;
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bool _selMode = false;
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TextSelection itemSelectedValue(int32 index) const;
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int _rowsLeft = 0;
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int _rowWidth = 0;
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typedef QVector<Overview::Layout::AbstractItem*> Items;
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Items _items;
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typedef QMap<HistoryItem*, Overview::Layout::ItemBase*> LayoutItems;
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LayoutItems _layoutItems;
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typedef QMap<int32, Overview::Layout::Date*> LayoutDates;
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LayoutDates _layoutDates;
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Overview::Layout::ItemBase *layoutPrepare(HistoryItem *item);
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Overview::Layout::AbstractItem *layoutPrepare(const QDate &date, bool month);
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int32 setLayoutItem(int32 index, Overview::Layout::AbstractItem *item, int32 top);
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object_ptr<Ui::FlatInput> _search;
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object_ptr<Ui::CrossButton> _cancelSearch;
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QVector<MsgId> _results;
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int32 _itemsToBeLoaded;
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// photos
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int32 _photosInRow = 1;
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QTimer _searchTimer;
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QString _searchQuery;
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bool _inSearch = false;
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bool _searchFull = false;
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bool _searchFullMigrated = false;
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mtpRequestId _searchRequest = 0;
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QList<MsgId> _searchResults;
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MsgId _lastSearchId = 0;
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MsgId _lastSearchMigratedId = 0;
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int _searchedCount = 0;
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enum SearchRequestType {
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SearchFromStart,
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SearchFromOffset,
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SearchMigratedFromStart,
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SearchMigratedFromOffset
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};
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void searchReceived(SearchRequestType type, const MTPmessages_Messages &result, mtpRequestId req);
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bool searchFailed(SearchRequestType type, const RPCError &error, mtpRequestId req);
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typedef QMap<QString, MTPmessages_Messages> SearchCache;
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SearchCache _searchCache;
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typedef QMap<mtpRequestId, QString> SearchQueries;
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SearchQueries _searchQueries;
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int _width = 0;
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int _height = 0;
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int _minHeight = 0;
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int _marginTop = 0;
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int _marginBottom = 0;
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QTimer _linkTipTimer;
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// selection support, like in HistoryWidget
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style::cursor _cursor = style::cur_default;
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HistoryCursorState _cursorState = HistoryDefaultCursorState;
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using SelectedItems = QMap<MsgId, TextSelection>;
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SelectedItems _selected;
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enum DragAction {
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NoDrag = 0x00,
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PrepareDrag = 0x01,
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Dragging = 0x02,
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PrepareSelect = 0x03,
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Selecting = 0x04,
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};
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DragAction _dragAction = NoDrag;
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QPoint _dragStartPos, _dragPos;
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MsgId _dragItem = 0;
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MsgId _selectedMsgId = 0;
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int _dragItemIndex = -1;
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MsgId _mousedItem = 0;
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int _mousedItemIndex = -1;
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uint16 _dragSymbol;
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bool _dragWasInactive = false;
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ClickHandlerPtr _contextMenuLnk;
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MsgId _dragSelFrom = 0;
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MsgId _dragSelTo = 0;
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int _dragSelFromIndex = -1;
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int _dragSelToIndex = -1;
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bool _dragSelecting = false;
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bool _touchScroll = false;
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bool _touchSelect = false;
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bool _touchInProgress = false;
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QPoint _touchStart, _touchPrevPos, _touchPos;
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QTimer _touchSelectTimer;
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Ui::TouchScrollState _touchScrollState = Ui::TouchScrollState::Manual;
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bool _touchPrevPosValid = false;
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bool _touchWaitingAcceleration = false;
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QPoint _touchSpeed;
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TimeMs _touchSpeedTime = 0;
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TimeMs _touchAccelerationTime = 0;
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TimeMs _touchTime = 0;
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QTimer _touchScrollTimer;
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Ui::PopupMenu *_menu = nullptr;
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};
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class OverviewWidget : public Window::AbstractSectionWidget, public RPCSender {
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Q_OBJECT
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public:
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OverviewWidget(QWidget *parent, not_null<Window::Controller*> controller, PeerData *peer, MediaOverviewType type);
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void clear();
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void scrollBy(int32 add);
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void scrollReset();
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bool paintTopBar(Painter &p, int decreaseWidth);
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PeerData *peer() const;
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PeerData *migratePeer() const;
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MediaOverviewType type() const;
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void switchType(MediaOverviewType type);
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bool showMediaTypeSwitch() const;
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void updateTopBarSelection();
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bool contentOverlapped(const QRect &globalRect);
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int32 lastWidth() const;
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int32 lastScrollTop() const;
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int32 countBestScroll() const;
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void fastShow(bool back = false, int32 lastScrollTop = -1);
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bool hasTopBarShadow() const {
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return true;
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}
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void setLastScrollTop(int lastScrollTop);
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void showAnimated(Window::SlideDirection direction, const Window::SectionSlideParams ¶ms);
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void doneShow();
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void mediaOverviewUpdated(const Notify::PeerUpdate &update);
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void itemRemoved(HistoryItem *item);
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QPoint clampMousePosition(QPoint point);
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void checkSelectingScroll(QPoint point);
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void noSelectingScroll();
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bool touchScroll(const QPoint &delta);
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SelectedItemSet getSelectedItems() const;
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void grabStart() override {
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_inGrab = true;
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resizeEvent(0);
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}
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void grapWithoutTopBarShadow();
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void grabFinish() override;
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void rpcClear() override {
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_inner->rpcClear();
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RPCSender::rpcClear();
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}
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void confirmDeleteContextItem();
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void confirmDeleteSelectedItems();
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void deleteContextItem(bool forEveryone);
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void deleteSelectedItems(bool forEveryone);
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// Float player interface.
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bool wheelEventFromFloatPlayer(QEvent *e) override;
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QRect rectForFloatPlayer() const override;
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void ui_repaintHistoryItem(not_null<const HistoryItem*> item);
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void notify_historyItemLayoutChanged(const HistoryItem *item);
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~OverviewWidget();
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protected:
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void resizeEvent(QResizeEvent *e) override;
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void paintEvent(QPaintEvent *e) override;
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void contextMenuEvent(QContextMenuEvent *e) override;
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public slots:
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void activate();
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void onScroll();
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void onScrollTimer();
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void onForwardSelected();
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void onClearSelected();
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private:
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void topBarClick();
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void animationCallback();
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object_ptr<Ui::AbstractButton> _backAnimationButton = { nullptr };
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object_ptr<Window::TopBarWidget> _topBar;
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object_ptr<Ui::ScrollArea> _scroll;
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QPointer<OverviewInner> _inner;
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bool _noDropResizeIndex = false;
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object_ptr<Ui::DropdownMenu> _mediaType;
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int32 _mediaTypeMask = 0;
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QString _header;
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Animation _a_show;
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Window::SlideDirection _showDirection;
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QPixmap _cacheUnder, _cacheOver;
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int32 _scrollSetAfterShow = 0;
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QTimer _scrollTimer;
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int32 _scrollDelta = 0;
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object_ptr<Ui::PlainShadow> _topShadow;
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bool _inGrab = false;
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};
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