tdesktop/Telegram/SourceFiles/mediaview.h

157 lines
3.9 KiB
C++

/*
This file is part of Telegram Desktop,
the official desktop version of Telegram messaging app, see https://telegram.org
Telegram Desktop is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
It is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
Full license: https://github.com/telegramdesktop/tdesktop/blob/master/LICENSE
Copyright (c) 2014 John Preston, https://desktop.telegram.org
*/
#pragma once
class MediaView : public TWidget, public RPCSender, public Animated {
Q_OBJECT
public:
MediaView();
void paintEvent(QPaintEvent *e);
void keyPressEvent(QKeyEvent *e);
void mousePressEvent(QMouseEvent *e);
void mouseMoveEvent(QMouseEvent *e);
void mouseReleaseEvent(QMouseEvent *e);
void contextMenuEvent(QContextMenuEvent *e);
void touchEvent(QTouchEvent *e);
bool event(QEvent *e);
void hide();
void updateOver(const QPoint &mpos);
void showPhoto(PhotoData *photo, HistoryItem *context);
void showPhoto(PhotoData *photo, PeerData *context);
void showDocument(DocumentData *doc, QPixmap pix, HistoryItem *context);
void moveToScreen();
void moveToPhoto(int32 delta);
void preloadPhotos(int32 delta);
void mediaOverviewUpdated(PeerData *peer);
void changingMsgId(HistoryItem *row, MsgId newId);
void updateControls();
bool animStep(float64 dt);
void showSaveMsgFile();
~MediaView();
public slots:
void onClose();
void onSave();
void onDownload();
void onShowInFolder();
void onForward();
void onDelete();
void onOverview();
void onCopy();
void onMenuDestroy(QObject *obj);
void receiveMouse();
void onCheckActive();
void onTouchTimer();
void updateImage();
private:
void showPhoto(PhotoData *photo);
void loadPhotosBack();
void photosLoaded(History *h, const MTPmessages_Messages &msgs, mtpRequestId req);
void userPhotosLoaded(UserData *u, const MTPphotos_Photos &photos, mtpRequestId req);
void updateHeader();
void updatePolaroid();
void snapXY();
QBrush _transparentBrush;
QTimer _timer;
PhotoData *_photo;
DocumentData *_doc;
QRect _avail, _leftNav, _rightNav, _bottomBar, _nameNav, _dateNav, _polaroidOut, _polaroidIn;
int32 _availBottom;
bool _leftNavVisible, _rightNavVisible;
QString _dateText;
uint64 _animStarted;
int32 _maxWidth, _maxHeight, _width, _x, _y, _w, _h, _xStart, _yStart;
int32 _zoom; // < 0 - out, 0 - none, > 0 - in
float64 _zoomToScreen; // for documents
QPoint _mStart;
bool _pressed;
int32 _dragging;
QPixmap _current;
int32 _full; // -1 - thumb, 0 - medium, 1 - full
History *_history; // if conversation photos overview
PeerData *_peer;
UserData *_user, *_from; // if user profile photos overview
Text _fromName;
int32 _index; // index in photos array, -1 if just photo
MsgId _msgid; // msgId of current photo
QString _header;
mtpRequestId _loadRequest;
enum OverState {
OverNone,
OverLeftNav,
OverRightNav,
OverName,
OverDate
};
OverState _over, _down;
QPoint _lastAction;
IconedButton _close, _save, _forward, _delete, _overview;
ContextMenu *_menu;
bool _receiveMouse;
bool _touchPress, _touchMove, _touchRightButton;
QTimer _touchTimer;
QPoint _touchStart;
QPoint _accumScroll;
QString _saveMsgFilename;
uint64 _saveMsgStarted;
anim::fvalue _saveMsgOpacity;
QRect _saveMsg;
QTimer _saveMsgUpdater;
Text _saveMsgText;
typedef QMap<OverState, uint64> Showing;
Showing _animations;
typedef QMap<OverState, anim::fvalue> ShowingOpacities;
ShowingOpacities _animOpacities;
bool updateOverState(OverState newState);
float64 overLevel(OverState control);
QColor overColor(const QColor &a, float64 ca, const QColor &b, float64 cb);
};