mirror of
https://github.com/telegramdesktop/tdesktop
synced 2025-01-11 01:10:13 +00:00
168 lines
3.8 KiB
C++
168 lines
3.8 KiB
C++
/*
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This file is part of Telegram Desktop,
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an unofficial desktop 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://tdesktop.com
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*/
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#pragma once
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class OverviewWidget;
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class OverviewInner : public TWidget, 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 clear();
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bool event(QEvent *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 leaveToChildEvent(QEvent *e);
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void resizeEvent(QResizeEvent *e);
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void contextMenuEvent(QContextMenuEvent *e);
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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 mediaOverviewUpdated();
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void msgUpdated(HistoryItem *msg);
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~OverviewInner();
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public slots:
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void updateSelected();
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void openContextUrl();
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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 onMenuDestroy(QObject *obj);
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private:
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QPixmap genPix(PhotoData *photo, int32 size);
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void showAll();
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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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QMenu *_menu;
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TextLinkPtr _contextMenuLnk;
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// photos
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int32 _photosInRow, _vsize;
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typedef struct {
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int32 vsize;
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bool medium;
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QPixmap pix;
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} CachedSize;
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typedef QMap<PhotoData*, CachedSize> CachedSizes;
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CachedSizes _cached;
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// other
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typedef 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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} CachedItem;
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typedef QVector<CachedItem> CachedItems;
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CachedItems _items;
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int32 _width, _height, _minHeight;
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QPoint _lastPos;
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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 scrollBy(int32 add);
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void paintTopBar(QPainter &p, float64 over, int32 decreaseWidth);
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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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int32 lastWidth() const;
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int32 lastScrollTop() const;
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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 mediaOverviewUpdated(PeerData *peer);
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void msgUpdated(PeerId peer, HistoryItem *msg);
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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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private:
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ScrollArea _scroll;
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OverviewInner _inner;
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bool _noDropResizeIndex;
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QPixmap _bg;
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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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};
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