351 lines
9 KiB
C++
351 lines
9 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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Full license: https://github.com/telegramdesktop/tdesktop/blob/master/LICENSE
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Copyright (c) 2014 John Preston, https://desktop.telegram.org
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*/
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#pragma once
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class OverviewWidget;
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class OverviewInner : public QWidget, public RPCSender {
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Q_OBJECT
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public:
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OverviewInner(OverviewWidget *overview, ScrollArea *scroll, const PeerData *peer, MediaOverviewType type);
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void activate();
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void clear();
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int32 itemTop(MsgId msgId) const;
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bool preloadLocal();
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void preloadMore();
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bool event(QEvent *e);
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void touchEvent(QTouchEvent *e);
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void paintEvent(QPaintEvent *e);
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void mouseMoveEvent(QMouseEvent *e);
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void mousePressEvent(QMouseEvent *e);
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void mouseReleaseEvent(QMouseEvent *e);
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void keyPressEvent(QKeyEvent *e);
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void enterEvent(QEvent *e);
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void leaveEvent(QEvent *e);
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void resizeEvent(QResizeEvent *e);
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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); // returns new scroll top
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void dropResizeIndex();
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PeerData *peer() 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(bool fromResize = false);
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void changingMsgId(HistoryItem *row, MsgId newId);
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void msgUpdated(const HistoryItem *msg);
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void itemRemoved(HistoryItem *item);
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void itemResized(HistoryItem *item, bool scrollToIt);
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void getSelectionState(int32 &selectedForForward, int32 &selectedForDelete) const;
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void clearSelectedItems(bool onlyTextSelection = false);
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void fillSelectedItems(SelectedItemSet &sel, bool forDelete = true);
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~OverviewInner();
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public slots:
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void onUpdateSelected();
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void showLinkTip();
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void openContextUrl();
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void copyContextUrl();
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void cancelContextDownload();
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void showContextInFolder();
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void saveContextFile();
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void openContextFile();
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void goToMessage();
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void deleteMessage();
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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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void onDragExec();
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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 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 updateMsg(HistoryItem *item);
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void updateMsg(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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QPixmap genPix(PhotoData *photo, int32 size);
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void showAll(bool recountHeights = false);
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OverviewWidget *_overview;
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ScrollArea *_scroll;
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int32 _resizeIndex, _resizeSkip;
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PeerData *_peer;
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MediaOverviewType _type;
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History *_hist;
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// photos
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int32 _photosInRow, _photosToAdd, _vsize;
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struct CachedSize {
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int32 vsize;
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bool medium;
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QPixmap pix;
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};
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typedef QMap<PhotoData*, CachedSize> CachedSizes;
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CachedSizes _cached;
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bool _selMode;
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// audio documents
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int32 _audioLeft, _audioWidth, _audioHeight;
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// shared links
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int32 _linksLeft, _linksWidth;
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struct Link {
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Link() : width(0) {
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}
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Link(const QString &url, const QString &text) : url(url), text(text), width(st::msgFont->m.width(text)) {
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}
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QString url, text;
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int32 width;
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};
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struct CachedLink {
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CachedLink() : titleWidth(0), page(0), pixw(0), pixh(0), text(st::msgMinWidth) {
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}
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CachedLink(HistoryItem *item);
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int32 countHeight(int32 w);
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QString title, letter;
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int32 titleWidth;
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WebPageData *page;
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int32 pixw, pixh;
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Text text;
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QVector<Link> urls;
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};
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typedef QMap<MsgId, CachedLink*> CachedLinks;
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CachedLinks _links;
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FlatInput _search;
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IconedButton _cancelSearch;
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QVector<MsgId> _results;
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int32 _itemsToBeLoaded;
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QTimer _searchTimer;
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QString _searchQuery;
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bool _inSearch, _searchFull;
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mtpRequestId _searchRequest;
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History::MediaOverview _searchResults;
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MsgId _lastSearchId;
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int32 _searchedCount;
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void searchReceived(bool fromStart, const MTPmessages_Messages &result, mtpRequestId req);
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bool searchFailed(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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CachedLink *cachedLink(HistoryItem *item);
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// other
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struct CachedItem {
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CachedItem() : msgid(0), y(0) {
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}
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CachedItem(MsgId msgid, const QDate &date, int32 y) : msgid(msgid), date(date), y(y) {
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}
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MsgId msgid;
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QDate date;
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int32 y;
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CachedLink *link;
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};
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typedef QVector<CachedItem> CachedItems;
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CachedItems _items;
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int32 _width, _height, _minHeight, _addToY;
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QTimer _linkTipTimer;
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// selection support, like in HistoryWidget
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Qt::CursorShape _cursor;
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HistoryCursorState _cursorState;
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typedef QMap<MsgId, uint32> SelectedItems;
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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;
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QPoint _dragStartPos, _dragPos;
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MsgId _dragItem, _selectedMsgId;
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int32 _dragItemIndex;
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MsgId _mousedItem;
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int32 _mousedItemIndex;
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int32 _lnkOverIndex, _lnkDownIndex; // for OverviewLinks, 0 - none, -1 - photo or title, > 0 - lnk index
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uint16 _dragSymbol;
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bool _dragWasInactive;
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QString urlByIndex(MsgId msgid, int32 index, int32 lnkIndex, bool *fullShown = 0) const;
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bool urlIsEmail(const QString &url) const;
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QString _contextMenuUrl;
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TextLinkPtr _contextMenuLnk;
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MsgId _dragSelFrom, _dragSelTo;
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int32 _dragSelFromIndex, _dragSelToIndex;
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bool _dragSelecting;
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bool _touchScroll, _touchSelect, _touchInProgress;
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QPoint _touchStart, _touchPrevPos, _touchPos;
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QTimer _touchSelectTimer;
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TouchScrollState _touchScrollState;
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bool _touchPrevPosValid, _touchWaitingAcceleration;
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QPoint _touchSpeed;
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uint64 _touchSpeedTime, _touchAccelerationTime, _touchTime;
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QTimer _touchScrollTimer;
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ContextMenu *_menu;
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};
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class OverviewWidget : public QWidget, public RPCSender, public Animated {
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Q_OBJECT
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public:
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OverviewWidget(QWidget *parent, const PeerData *peer, MediaOverviewType type);
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void clear();
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void resizeEvent(QResizeEvent *e);
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void paintEvent(QPaintEvent *e);
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void contextMenuEvent(QContextMenuEvent *e);
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void scrollBy(int32 add);
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void scrollReset();
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void paintTopBar(QPainter &p, float64 over, int32 decreaseWidth);
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void topBarShadowParams(int32 &x, float64 &o);
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void topBarClick();
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PeerData *peer() const;
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MediaOverviewType type() const;
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void switchType(MediaOverviewType type);
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void updateTopBarSelection();
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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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void animShow(const QPixmap &oldAnimCache, const QPixmap &bgAnimTopBarCache, bool back = false, int32 lastScrollTop = -1);
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bool animStep(float64 ms);
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void doneShow();
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void mediaOverviewUpdated(PeerData *peer, MediaOverviewType type);
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void changingMsgId(HistoryItem *row, MsgId newId);
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void msgUpdated(PeerId peer, const HistoryItem *msg);
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void itemRemoved(HistoryItem *item);
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void itemResized(HistoryItem *row, bool scrollToIt);
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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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void fillSelectedItems(SelectedItemSet &sel, bool forDelete);
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void updateScrollColors();
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~OverviewWidget();
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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 onPlayerSongChanged(MsgId msgId);
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void onForwardSelected();
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void onDeleteSelected();
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void onDeleteSelectedSure();
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void onDeleteContextSure();
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void onClearSelected();
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private:
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ScrollArea _scroll;
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OverviewInner _inner;
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bool _noDropResizeIndex;
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QString _header;
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bool _showing;
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QPixmap _animCache, _bgAnimCache, _animTopBarCache, _bgAnimTopBarCache;
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anim::ivalue a_coord, a_bgCoord;
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anim::fvalue a_alpha, a_bgAlpha;
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int32 _scrollSetAfterShow;
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QTimer _scrollTimer;
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int32 _scrollDelta;
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int32 _selCount;
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};
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