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tdesktop/Telegram/SourceFiles/overviewwidget.cpp

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/*
This file is part of Telegram Desktop,
an unofficial desktop 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://tdesktop.com
*/
#include "stdafx.h"
#include "lang.h"
#include "window.h"
#include "mainwidget.h"
#include "overviewwidget.h"
#include "boxes/addcontactbox.h"
#include "boxes/confirmbox.h"
#include "boxes/photocropbox.h"
#include "application.h"
#include "boxes/addparticipantbox.h"
#include "gui/filedialog.h"
// flick scroll taken from http://qt-project.org/doc/qt-4.8/demos-embedded-anomaly-src-flickcharm-cpp.html
OverviewInner::OverviewInner(OverviewWidget *overview, ScrollArea *scroll, const PeerData *peer, MediaOverviewType type) : QWidget(0)
, _overview(overview)
, _scroll(scroll)
, _resizeIndex(-1)
, _resizeSkip(0)
, _peer(App::peer(peer->id))
, _type(type)
, _hist(App::history(peer->id))
, _photosInRow(1)
, _photosToAdd(0)
, _width(0)
, _height(0)
, _minHeight(0)
, _addToY(0)
, _cursor(style::cur_default)
, _dragAction(NoDrag)
, _dragItem(0)
, _dragItemIndex(-1)
, _mousedItem(0)
, _mousedItemIndex(-1)
, _dragWasInactive(false)
, _dragSelFrom(0)
, _dragSelTo(0)
, _dragSelecting(false)
, _touchScroll(false)
, _touchSelect(false)
, _touchInProgress(false)
, _touchScrollState(TouchScrollManual)
, _touchPrevPosValid(false)
, _touchWaitingAcceleration(false)
, _touchSpeedTime(0)
, _touchAccelerationTime(0)
, _touchTime(0)
, _menu(0) {
App::contextItem(0);
_touchSelectTimer.setSingleShot(true);
connect(&_touchSelectTimer, SIGNAL(timeout()), this, SLOT(onTouchSelect()));
setAttribute(Qt::WA_AcceptTouchEvents);
connect(&_touchScrollTimer, SIGNAL(timeout()), this, SLOT(onTouchScrollTimer()));
mediaOverviewUpdated();
setMouseTracking(true);
}
bool OverviewInner::event(QEvent *e) {
if (e->type() == QEvent::TouchBegin || e->type() == QEvent::TouchUpdate || e->type() == QEvent::TouchEnd || e->type() == QEvent::TouchCancel) {
QTouchEvent *ev = static_cast<QTouchEvent*>(e);
if (ev->device()->type() == QTouchDevice::TouchScreen) {
touchEvent(ev);
return true;
}
}
return QWidget::event(e);
}
void OverviewInner::touchUpdateSpeed() {
const uint64 nowTime = getms();
if (_touchPrevPosValid) {
const int elapsed = nowTime - _touchSpeedTime;
if (elapsed) {
const QPoint newPixelDiff = (_touchPos - _touchPrevPos);
const QPoint pixelsPerSecond = newPixelDiff * (1000 / elapsed);
// fingers are inacurates, we ignore small changes to avoid stopping the autoscroll because
// of a small horizontal offset when scrolling vertically
const int newSpeedY = (qAbs(pixelsPerSecond.y()) > FingerAccuracyThreshold) ? pixelsPerSecond.y() : 0;
const int newSpeedX = (qAbs(pixelsPerSecond.x()) > FingerAccuracyThreshold) ? pixelsPerSecond.x() : 0;
if (_touchScrollState == TouchScrollAuto) {
const int oldSpeedY = _touchSpeed.y();
const int oldSpeedX = _touchSpeed.x();
if ((oldSpeedY <= 0 && newSpeedY <= 0) || ((oldSpeedY >= 0 && newSpeedY >= 0)
&& (oldSpeedX <= 0 && newSpeedX <= 0)) || (oldSpeedX >= 0 && newSpeedX >= 0)) {
_touchSpeed.setY(snap((oldSpeedY + (newSpeedY / 4)), -MaxScrollAccelerated, +MaxScrollAccelerated));
_touchSpeed.setX(snap((oldSpeedX + (newSpeedX / 4)), -MaxScrollAccelerated, +MaxScrollAccelerated));
} else {
_touchSpeed = QPoint();
}
} else {
// we average the speed to avoid strange effects with the last delta
if (!_touchSpeed.isNull()) {
_touchSpeed.setX(snap((_touchSpeed.x() / 4) + (newSpeedX * 3 / 4), -MaxScrollFlick, +MaxScrollFlick));
_touchSpeed.setY(snap((_touchSpeed.y() / 4) + (newSpeedY * 3 / 4), -MaxScrollFlick, +MaxScrollFlick));
} else {
_touchSpeed = QPoint(newSpeedX, newSpeedY);
}
}
}
} else {
_touchPrevPosValid = true;
}
_touchSpeedTime = nowTime;
_touchPrevPos = _touchPos;
}
void OverviewInner::fixItemIndex(int32 &current, MsgId msgId) const {
if (!msgId) {
current = -1;
} else if (_type == OverviewPhotos) {
int32 l = _hist->_overview[_type].size();
if (current < 0 || current >= l || _hist->_overview[_type][current] != msgId) {
current = -1;
for (int32 i = 0; i < l; ++i) {
if (_hist->_overview[_type][i] == msgId) {
current = i;
break;
}
}
}
} else {
int32 l = _items.size();
if (current < 0 || current >= l || _items[current].msgid != msgId) {
current = -1;
for (int32 i = 0; i < l; ++i) {
if (_items[i].msgid == msgId) {
current = i;
break;
}
}
}
}
}
bool OverviewInner::itemHasPoint(MsgId msgId, int32 index, int32 x, int32 y) const {
fixItemIndex(index, msgId);
if (index < 0) return false;
if (_type == OverviewPhotos) {
if (x >= 0 && x < _vsize && y >= 0 && y < _vsize) {
return true;
}
} else {
HistoryItem *item = App::histItemById(msgId);
HistoryMedia *media = item ? item->getMedia(true) : 0;
if (media) {
int32 w = _width - st::msgMargin.left() - st::msgMargin.right();
bool out = item->out();
int32 mw = media->maxWidth(), left = (out ? st::msgMargin.right() : st::msgMargin.left()) + (out && mw < w ? (w - mw) : 0);
if (!out && _hist->peer->chat) {
left += st::msgPhotoSkip;
}
return media->hasPoint(x - left, y - st::msgMargin.top(), item, w);
}
}
return false;
}
int32 OverviewInner::itemHeight(MsgId msgId, int32 index) const {
if (_type == OverviewPhotos) {
return _vsize;
}
fixItemIndex(index, msgId);
return (index < 0) ? 0 : (_items[index].y - (index > 0 ? _items[index - 1].y : 0));
}
void OverviewInner::moveToNextItem(MsgId &msgId, int32 &index, MsgId upTo, int32 delta) const {
fixItemIndex(index, msgId);
if (msgId == upTo || index < 0) {
msgId = 0;
index = -1;
return;
}
index += delta;
if (_type == OverviewPhotos) {
if (index < 0 || index >= _hist->_overview[_type].size()) {
msgId = 0;
index = -1;
} else {
msgId = _hist->_overview[_type][index];
}
} else {
while (index >= 0 && index < _items.size() && !_items[index].msgid) {
index += (delta > 0) ? 1 : -1;
}
if (index < 0 || index >= _items.size()) {
msgId = 0;
index = -1;
} else {
msgId = _items[index].msgid;
}
}
}
void OverviewInner::updateMsg(HistoryItem *item) {
if (App::main() && item) {
App::main()->msgUpdated(item->history()->peer->id, item);
}
}
void OverviewInner::updateMsg(MsgId itemId, int32 itemIndex) {
fixItemIndex(itemIndex, itemId);
if (itemIndex >= 0) {
if (_type == OverviewPhotos) {
float64 w = (float64(_width - st::overviewPhotoSkip) / _photosInRow);
int32 vsize = (_vsize + st::overviewPhotoSkip);
int32 row = (_photosToAdd + itemIndex) / _photosInRow, col = (_photosToAdd + itemIndex) % _photosInRow;
update(int32(col * w), _addToY + int32(row * vsize), qCeil(w), vsize);
} else {
HistoryItem *item = App::histItemById(itemId);
HistoryMedia *media = item ? item->getMedia(true) : 0;
int32 w = _width - st::msgMargin.left() - st::msgMargin.right();
if (media) update(0, _addToY + _height - _items[itemIndex].y, _width, media->countHeight(item, w) + st::msgMargin.top() + st::msgMargin.bottom());
}
}
}
void OverviewInner::touchResetSpeed() {
_touchSpeed = QPoint();
_touchPrevPosValid = false;
}
void OverviewInner::touchDeaccelerate(int32 elapsed) {
int32 x = _touchSpeed.x();
int32 y = _touchSpeed.y();
_touchSpeed.setX((x == 0) ? x : (x > 0) ? qMax(0, x - elapsed) : qMin(0, x + elapsed));
_touchSpeed.setY((y == 0) ? y : (y > 0) ? qMax(0, y - elapsed) : qMin(0, y + elapsed));
}
void OverviewInner::touchEvent(QTouchEvent *e) {
const Qt::TouchPointStates &states(e->touchPointStates());
if (e->type() == QEvent::TouchCancel) { // cancel
if (!_touchInProgress) return;
_touchInProgress = false;
_touchSelectTimer.stop();
_touchScroll = _touchSelect = false;
_touchScrollState = TouchScrollManual;
dragActionCancel();
return;
}
if (!e->touchPoints().isEmpty()) {
_touchPrevPos = _touchPos;
_touchPos = e->touchPoints().cbegin()->screenPos().toPoint();
}
switch (e->type()) {
case QEvent::TouchBegin:
if (_touchInProgress) return;
if (e->touchPoints().isEmpty()) return;
_touchInProgress = true;
if (_touchScrollState == TouchScrollAuto) {
_touchScrollState = TouchScrollAcceleration;
_touchWaitingAcceleration = true;
_touchAccelerationTime = getms();
touchUpdateSpeed();
_touchStart = _touchPos;
} else {
_touchScroll = false;
_touchSelectTimer.start(QApplication::startDragTime());
}
_touchSelect = false;
_touchStart = _touchPrevPos = _touchPos;
break;
case QEvent::TouchUpdate:
if (!_touchInProgress) return;
if (_touchSelect) {
dragActionUpdate(_touchPos);
} else if (!_touchScroll && (_touchPos - _touchStart).manhattanLength() >= QApplication::startDragDistance()) {
_touchSelectTimer.stop();
_touchScroll = true;
touchUpdateSpeed();
}
if (_touchScroll) {
if (_touchScrollState == TouchScrollManual) {
touchScrollUpdated(_touchPos);
} else if (_touchScrollState == TouchScrollAcceleration) {
touchUpdateSpeed();
_touchAccelerationTime = getms();
if (_touchSpeed.isNull()) {
_touchScrollState = TouchScrollManual;
}
}
}
break;
case QEvent::TouchEnd:
if (!_touchInProgress) return;
_touchInProgress = false;
if (_touchSelect) {
dragActionFinish(_touchPos, Qt::RightButton);
QContextMenuEvent contextMenu(QContextMenuEvent::Mouse, mapFromGlobal(_touchPos), _touchPos);
showContextMenu(&contextMenu, true);
_touchScroll = false;
} else if (_touchScroll) {
if (_touchScrollState == TouchScrollManual) {
_touchScrollState = TouchScrollAuto;
_touchPrevPosValid = false;
_touchScrollTimer.start(15);
_touchTime = getms();
} else if (_touchScrollState == TouchScrollAuto) {
_touchScrollState = TouchScrollManual;
_touchScroll = false;
touchResetSpeed();
} else if (_touchScrollState == TouchScrollAcceleration) {
_touchScrollState = TouchScrollAuto;
_touchWaitingAcceleration = false;
_touchPrevPosValid = false;
}
} else { // one short tap -- like mouse click
dragActionStart(_touchPos);
dragActionFinish(_touchPos);
}
_touchSelectTimer.stop();
_touchSelect = false;
break;
}
}
void OverviewInner::dragActionUpdate(const QPoint &screenPos) {
_dragPos = screenPos;
onUpdateSelected();
}
void OverviewInner::dragActionStart(const QPoint &screenPos, Qt::MouseButton button) {
dragActionUpdate(screenPos);
if (button != Qt::LeftButton) return;
if (textlnkDown() != textlnkOver()) {
updateMsg(App::pressedLinkItem());
textlnkDown(textlnkOver());
App::pressedLinkItem(App::hoveredLinkItem());
updateMsg(App::pressedLinkItem());
}
_dragAction = NoDrag;
_dragItem = _mousedItem;
_dragItemIndex = _mousedItemIndex;
_dragStartPos = mapMouseToItem(mapFromGlobal(screenPos), _dragItem, _dragItemIndex);
_dragWasInactive = App::wnd()->inactivePress();
if (_dragWasInactive) App::wnd()->inactivePress(false);
bool textLink = textlnkDown() && !textlnkDown()->encoded().isEmpty();
if (textLink) {
_dragAction = PrepareDrag;
} else if (!_selected.isEmpty()) {
if (_selected.cbegin().value() == FullItemSel) {
if (_selected.constFind(_dragItem) != _selected.cend() && App::hoveredItem()) {
_dragAction = PrepareDrag; // start items drag
} else {
_dragAction = PrepareSelect; // start items select
}
}
}
if (_dragAction == NoDrag && _dragItem) {
bool afterDragSymbol = false , uponSymbol = false;
uint16 symbol = 0;
if (textlnkDown()) {
_dragSymbol = symbol;
uint32 selStatus = (_dragSymbol << 16) | _dragSymbol;
if (selStatus != FullItemSel && (_selected.isEmpty() || _selected.cbegin().value() != FullItemSel)) {
if (!_selected.isEmpty()) {
updateMsg(_selected.cbegin().key(), -1);
_selected.clear();
}
_selected.insert(_dragItem, selStatus);
_dragAction = Selecting;
updateMsg(_dragItem, _dragItemIndex);
_overview->updateTopBarSelection();
} else {
_dragAction = PrepareSelect;
}
} else {
_dragAction = PrepareSelect; // start items select
}
}
if (!_dragItem) {
_dragAction = NoDrag;
} else if (_dragAction == NoDrag) {
_dragItem = 0;
}
}
void OverviewInner::dragActionCancel() {
_dragItem = 0;
_dragItemIndex = -1;
_dragAction = NoDrag;
_dragSelFrom = _dragSelTo = 0;
_dragSelFromIndex = _dragSelToIndex = -1;
_dragStartPos = QPoint(0, 0);
_overview->noSelectingScroll();
}
void OverviewInner::dragActionFinish(const QPoint &screenPos, Qt::MouseButton button) {
TextLinkPtr needClick;
dragActionUpdate(screenPos);
if (textlnkOver()) {
if (textlnkDown() == textlnkOver() && _dragAction != Dragging) {
needClick = textlnkDown();
}
}
if (textlnkDown()) {
updateMsg(App::pressedLinkItem());
textlnkDown(TextLinkPtr());
App::pressedLinkItem(0);
if (!textlnkOver() && _cursor != style::cur_default) {
_cursor = style::cur_default;
setCursor(_cursor);
}
}
if (needClick) {
needClick->onClick(button);
dragActionCancel();
return;
}
if (_dragAction == PrepareSelect && !needClick && !_dragWasInactive && !_selected.isEmpty() && _selected.cbegin().value() == FullItemSel) {
SelectedItems::iterator i = _selected.find(_dragItem);
if (i == _selected.cend() && _dragItem > 0) {
if (_selected.size() < MaxSelectedItems) {
if (!_selected.isEmpty() && _selected.cbegin().value() != FullItemSel) {
_selected.clear();
}
_selected.insert(_dragItem, FullItemSel);
}
} else {
_selected.erase(i);
}
updateMsg(_dragItem, _dragItemIndex);
} else if (_dragAction == PrepareDrag && !needClick && !_dragWasInactive && button != Qt::RightButton) {
SelectedItems::iterator i = _selected.find(_dragItem);
if (i != _selected.cend() && i.value() == FullItemSel) {
_selected.erase(i);
updateMsg(_dragItem, _dragItemIndex);
} else {
_selected.clear();
parentWidget()->update();
}
} else if (_dragAction == Selecting) {
if (_dragSelFrom && _dragSelTo) {
applyDragSelection();
} else if (!_selected.isEmpty() && !_dragWasInactive) {
uint32 sel = _selected.cbegin().value();
if (sel != FullItemSel && (sel & 0xFFFF) == ((sel >> 16) & 0xFFFF)) {
_selected.clear();
App::main()->activate();
}
}
}
_dragAction = NoDrag;
_overview->noSelectingScroll();
_overview->updateTopBarSelection();
}
void OverviewInner::touchScrollUpdated(const QPoint &screenPos) {
_touchPos = screenPos;
_overview->touchScroll(_touchPos - _touchPrevPos);
touchUpdateSpeed();
}
void OverviewInner::applyDragSelection() {
if (_dragSelFromIndex < 0 || _dragSelToIndex < 0) return;
if (!_selected.isEmpty() && _selected.cbegin().value() != FullItemSel) {
_selected.clear();
}
if (_dragSelecting) {
for (int32 i = _dragSelToIndex; i <= _dragSelFromIndex; ++i) {
MsgId msgid = (_type == OverviewPhotos) ? _hist->_overview[_type][i] : _items[i].msgid;
if (!msgid) continue;
SelectedItems::iterator j = _selected.find(msgid);
if (msgid > 0) {
if (j == _selected.cend()) {
if (_selected.size() >= MaxSelectedItems) break;
_selected.insert(msgid, FullItemSel);
} else if (j.value() != FullItemSel) {
*j = FullItemSel;
}
} else {
if (j != _selected.cend()) {
_selected.erase(j);
}
}
}
} else {
for (int32 i = _dragSelToIndex; i <= _dragSelFromIndex; ++i) {
MsgId msgid = (_type == OverviewPhotos) ? _hist->_overview[_type][i] : _items[i].msgid;
if (!msgid) continue;
SelectedItems::iterator j = _selected.find(msgid);
if (j != _selected.cend()) {
_selected.erase(j);
}
}
}
_dragSelFrom = _dragSelTo = 0;
_dragSelFromIndex = _dragSelToIndex = -1;
_overview->updateTopBarSelection();
}
QPoint OverviewInner::mapMouseToItem(QPoint p, MsgId itemId, int32 itemIndex) {
fixItemIndex(itemIndex, itemId);
if (itemIndex < 0) return QPoint(0, 0);
if (_type == OverviewPhotos) {
int32 row = (_photosToAdd + itemIndex) / _photosInRow, col = (_photosToAdd + itemIndex) % _photosInRow;
float64 w = (_width - st::overviewPhotoSkip) / float64(_photosInRow);
p.setX(p.x() - int32(col * w) - st::overviewPhotoSkip);
p.setY(p.y() - _addToY - row * (_vsize + st::overviewPhotoSkip) - st::overviewPhotoSkip);
} else {
p.setY(p.y() - _addToY - (_height - _items[itemIndex].y));
}
return p;
}
void OverviewInner::clear() {
_cached.clear();
}
QPixmap OverviewInner::genPix(PhotoData *photo, int32 size) {
size *= cIntRetinaFactor();
QImage img = (photo->full->loaded() ? photo->full : (photo->medium->loaded() ? photo->medium : photo->thumb))->pix().toImage();
if (!photo->full->loaded() && !photo->medium->loaded()) {
img = imageBlur(img);
}
if (img.width() > img.height()) {
img = img.scaled(img.width() * size / img.height(), size, Qt::KeepAspectRatioByExpanding, Qt::SmoothTransformation);
} else {
img = img.scaled(size, img.height() * size / img.width(), Qt::KeepAspectRatioByExpanding, Qt::SmoothTransformation);
}
img.setDevicePixelRatio(cRetinaFactor());
photo->forget();
return QPixmap::fromImage(img);
}
void OverviewInner::paintEvent(QPaintEvent *e) {
QPainter p(this);
QRect r(e->rect());
p.setClipRect(r);
if (_hist->_overview[_type].isEmpty()) {
QPoint dogPos((_width - st::msgDogImg.pxWidth()) / 2, ((height() - st::msgDogImg.pxHeight()) * 4) / 9);
p.drawPixmap(dogPos, App::sprite(), st::msgDogImg);
return;
}
int32 selfrom = -1, selto = -1;
if (_dragSelFromIndex >= 0 && _dragSelToIndex >= 0) {
selfrom = _dragSelToIndex;
selto = _dragSelFromIndex;
}
SelectedItems::const_iterator selEnd = _selected.cend();
bool hasSel = !_selected.isEmpty();
if (_type == OverviewPhotos) {
int32 rowFrom = int32(r.top() - _addToY - st::overviewPhotoSkip) / int32(_vsize + st::overviewPhotoSkip);
int32 rowTo = int32(r.bottom() - _addToY - st::overviewPhotoSkip) / int32(_vsize + st::overviewPhotoSkip) + 1;
History::MediaOverview &overview(_hist->_overview[_type]);
int32 count = overview.size();
float64 w = float64(_width - st::overviewPhotoSkip) / _photosInRow;
for (int32 row = rowFrom; row < rowTo; ++row) {
if (row * _photosInRow >= _photosToAdd + count) break;
for (int32 i = 0; i < _photosInRow; ++i) {
int32 index = row * _photosInRow + i - _photosToAdd;
if (index < 0) continue;
if (index >= count) break;
HistoryItem *item = App::histItemById(overview[index]);
HistoryMedia *m = item ? item->getMedia(true) : 0;
if (!m) continue;
switch (m->type()) {
case MediaTypePhoto: {
PhotoData *photo = static_cast<HistoryPhoto*>(m)->photo();
bool quality = photo->full->loaded();
if (!quality) {
if (photo->thumb->loaded()) {
photo->medium->load(false, false);
quality = photo->medium->loaded();
} else {
photo->thumb->load();
}
}
CachedSizes::iterator it = _cached.find(photo);
if (it == _cached.cend()) {
CachedSize size;
size.medium = quality;
size.vsize = _vsize;
size.pix = genPix(photo, _vsize);
it = _cached.insert(photo, size);
} else if (it->medium != quality || it->vsize != _vsize) {
it->medium = quality;
it->vsize = _vsize;
it->pix = genPix(photo, _vsize);
}
QPixmap &pix(it->pix);
QPoint pos(int32(i * w + st::overviewPhotoSkip), _addToY + row * (_vsize + st::overviewPhotoSkip) + st::overviewPhotoSkip);
int32 w = pix.width(), h = pix.height(), size;
if (w == h) {
p.drawPixmap(pos, pix);
size = w;
} else if (w > h) {
p.drawPixmap(pos, pix, QRect((w - h) / 2, 0, h, h));
size = h;
} else {
p.drawPixmap(pos, pix, QRect(0, (h - w) / 2, w, w));
size = w;
}
size /= cIntRetinaFactor();
if (!quality) {
uint64 dt = itemAnimations().animate(item, getms());
int32 cnt = int32(st::photoLoaderCnt), period = int32(st::photoLoaderPeriod), t = dt % period, delta = int32(st::photoLoaderDelta);
int32 x = pos.x() + (size - st::overviewLoader.width()) / 2, y = pos.y() + (size - st::overviewLoader.height()) / 2;
p.fillRect(x, y, st::overviewLoader.width(), st::overviewLoader.height(), st::photoLoaderBg->b);
x += (st::overviewLoader.width() - cnt * st::overviewLoaderPoint.width() - (cnt - 1) * st::overviewLoaderSkip) / 2;
y += (st::overviewLoader.height() - st::overviewLoaderPoint.height()) / 2;
QColor c(st::white->c);
QBrush b(c);
for (int32 i = 0; i < cnt; ++i) {
t -= delta;
while (t < 0) t += period;
float64 alpha = (t >= st::photoLoaderDuration1 + st::photoLoaderDuration2) ? 0 : ((t > st::photoLoaderDuration1 ? ((st::photoLoaderDuration1 + st::photoLoaderDuration2 - t) / st::photoLoaderDuration2) : (t / st::photoLoaderDuration1)));
c.setAlphaF(st::photoLoaderAlphaMin + alpha * (1 - st::photoLoaderAlphaMin));
b.setColor(c);
p.fillRect(x + i * (st::overviewLoaderPoint.width() + st::overviewLoaderSkip), y, st::overviewLoaderPoint.width(), st::overviewLoaderPoint.height(), b);
}
}
uint32 sel = 0;
if (index >= selfrom && index <= selto) {
sel = (_dragSelecting && item->id > 0) ? FullItemSel : 0;
} else if (hasSel) {
SelectedItems::const_iterator i = _selected.constFind(item->id);
if (i != selEnd) {
sel = i.value();
}
}
if (sel == FullItemSel) {
p.fillRect(QRect(pos.x(), pos.y(), size, size), st::msgInSelectOverlay->b);
}
} break;
}
}
}
} else {
p.translate(0, st::msgMargin.top() + _addToY);
int32 y = 0, w = _width - st::msgMargin.left() - st::msgMargin.right();
for (int32 i = _items.size(); i > 0;) {
--i;
if (!i || (_addToY + _height - _items[i - 1].y > r.top())) {
int32 curY = _height - _items[i].y;
if (_addToY + curY >= r.bottom()) break;
p.translate(0, curY - y);
if (_items[i].msgid) { // draw item
HistoryItem *item = App::histItemById(_items[i].msgid);
HistoryMedia *media = item ? item->getMedia(true) : 0;
if (media) {
bool out = item->out();
int32 mw = media->maxWidth(), left = (out ? st::msgMargin.right() : st::msgMargin.left()) + (out && mw < w ? (w - mw) : 0);
if (!out && _hist->peer->chat) {
p.drawPixmap(left, media->countHeight(item, w) - st::msgPhotoSize, item->from()->photo->pix(st::msgPhotoSize));
left += st::msgPhotoSkip;
}
uint32 sel = 0;
if (i >= selfrom && i <= selto) {
sel = (_dragSelecting && item->id > 0) ? FullItemSel : 0;
} else if (hasSel) {
SelectedItems::const_iterator i = _selected.constFind(item->id);
if (i != selEnd) {
sel = i.value();
}
}
p.save();
p.translate(left, 0);
media->draw(p, item, (sel == FullItemSel), w);
p.restore();
}
} else {
QString str = langDayOfMonth(_items[i].date);
int32 left = st::msgServiceMargin.left(), width = _width - st::msgServiceMargin.left() - st::msgServiceMargin.left(), height = st::msgServiceFont->height + st::msgServicePadding.top() + st::msgServicePadding.bottom();
if (width < 1) return;
int32 strwidth = st::msgServiceFont->m.width(str) + st::msgServicePadding.left() + st::msgServicePadding.right();
QRect trect(QRect(left, st::msgServiceMargin.top(), width, height).marginsAdded(-st::msgServicePadding));
left += (width - strwidth) / 2;
width = strwidth;
QRect r(left, st::msgServiceMargin.top(), width, height);
p.setBrush(st::msgServiceBG->b);
p.setPen(Qt::NoPen);
p.drawRoundedRect(r, st::msgServiceRadius, st::msgServiceRadius);
p.setBrush(Qt::NoBrush);
p.setPen(st::msgServiceColor->p);
p.setFont(st::msgServiceFont->f);
p.drawText(r.x() + st::msgServicePadding.left(), r.y() + st::msgServicePadding.top() + st::msgServiceFont->ascent, str);
}
y = curY;
}
}
}
}
void OverviewInner::mouseMoveEvent(QMouseEvent *e) {
if (!(e->buttons() & (Qt::LeftButton | Qt::MiddleButton)) && (textlnkDown() || _dragAction != NoDrag)) {
mouseReleaseEvent(e);
}
dragActionUpdate(e->globalPos());
}
void OverviewInner::onUpdateSelected() {
if (isHidden()) return;
QPoint mousePos(mapFromGlobal(_dragPos));
QPoint m(_overview->clampMousePosition(mousePos));
TextLinkPtr lnk;
HistoryItem *item = 0;
int32 index = -1;
if (_type == OverviewPhotos) {
float64 w = (float64(_width - st::overviewPhotoSkip) / _photosInRow);
int32 inRow = int32((m.x() - (st::overviewPhotoSkip / 2)) / w), vsize = (_vsize + st::overviewPhotoSkip);
int32 row = int32((m.y() - _addToY - (st::overviewPhotoSkip / 2)) / vsize);
if (inRow < 0) inRow = 0;
if (row < 0) row = 0;
bool upon = true;
int32 i = row * _photosInRow + inRow - _photosToAdd, count = _hist->_overview[_type].size();
if (!count) return;
if (i < 0) {
i = 0;
upon = false;
}
if (i >= count) {
i = count - 1;
upon = false;
}
MsgId msgid = _hist->_overview[_type][i];
HistoryItem *histItem = App::histItemById(msgid);
if (histItem) {
item = histItem;
index = i;
if (upon && m.x() >= inRow * w + st::overviewPhotoSkip && m.x() < inRow * w + st::overviewPhotoSkip + _vsize) {
if (m.y() >= _addToY + row * vsize + st::overviewPhotoSkip && m.y() < _addToY + (row + 1) * vsize + st::overviewPhotoSkip) {
HistoryMedia *media = item->getMedia(true);
if (media && media->type() == MediaTypePhoto) {
lnk = static_cast<HistoryPhoto*>(media)->lnk();
}
}
}
} else {
return;
}
} else {
int32 w = _width - st::msgMargin.left() - st::msgMargin.right();
if (_items.isEmpty()) return;
for (int32 i = _items.size(); i > 0;) {
--i;
if (!i || (_addToY + _height - _items[i - 1].y > m.y())) {
int32 y = _addToY + _height - _items[i].y;
if (item) break;
if (!_items[i].msgid) { // day item
int32 h = itemHeight(_items[i].msgid, i);
if (i > 0 && ((y + h / 2) < m.y() || i == _items.size() - 1)) {
--i;
if (!_items[i].msgid) break; // wtf
y = _addToY + _height - _items[i].y;
} else if (i < _items.size() - 1 && ((y + h / 2) >= m.y() || !i)) {
++i;
if (!_items[i].msgid) break; // wtf
y = _addToY + _height - _items[i].y;
} else {
break; // wtf
}
}
HistoryItem *histItem = App::histItemById(_items[i].msgid);
if (histItem) {
item = histItem;
index = i;
HistoryMedia *media = item->getMedia(true);
if (media) {
bool out = item->out();
int32 mw = media->maxWidth(), left = (out ? st::msgMargin.right() : st::msgMargin.left()) + (out && mw < w ? (w - mw) : 0);
if (!out && _hist->peer->chat) {
if (QRect(left, y + st::msgMargin.top() + media->countHeight(item, w) - st::msgPhotoSize, st::msgPhotoSize, st::msgPhotoSize).contains(m)) {
lnk = item->from()->lnk;
}
left += st::msgPhotoSkip;
}
TextLinkPtr mediaLink = media->getLink(m.x() - left, m.y() - y - st::msgMargin.top(), item, w);
if (mediaLink) {
lnk = mediaLink;
}
}
} else {
return;
}
}
}
}
_mousedItem = item ? item->id : 0;
_mousedItemIndex = index;
m = mapMouseToItem(m, _mousedItem, _mousedItemIndex);
Qt::CursorShape cur = style::cur_default;
bool inText = false, lnkChanged = false;
if (lnk != textlnkOver()) {
lnkChanged = true;
updateMsg(App::hoveredLinkItem());
textlnkOver(lnk);
App::hoveredLinkItem(lnk ? item : 0);
updateMsg(App::hoveredLinkItem());
}
fixItemIndex(_dragItemIndex, _dragItem);
fixItemIndex(_mousedItemIndex, _mousedItem);
if (_dragAction == NoDrag) {
if (lnk) {
cur = style::cur_pointer;
}
} else {
if (_dragItemIndex < 0 || _mousedItemIndex < 0) {
_dragAction = NoDrag;
return;
}
if (_mousedItem != _dragItem || (m - _dragStartPos).manhattanLength() >= QApplication::startDragDistance()) {
if (_dragAction == PrepareDrag) {
_dragAction = Dragging;
} else if (_dragAction == PrepareSelect) {
_dragAction = Selecting;
}
}
cur = textlnkDown() ? style::cur_pointer : style::cur_default;
if (_dragAction == Selecting) {
if (_mousedItem == _dragItem && lnk && !_selected.isEmpty() && _selected.cbegin().value() != FullItemSel) {
bool afterSymbol = false, uponSymbol = false;
uint16 second = 0;
_selected[_dragItem] = 0;
updateDragSelection(0, -1, 0, -1, false);
} else {
bool selectingDown = (_type == OverviewPhotos ? (_mousedItemIndex > _dragItemIndex) : (_mousedItemIndex < _dragItemIndex)) || (_mousedItemIndex == _dragItemIndex && (_type == OverviewPhotos ? (_dragStartPos.x() < m.x()) : (_dragStartPos.y() < m.y())));
MsgId dragSelFrom = _dragItem, dragSelTo = _mousedItem;
int32 dragSelFromIndex = _dragItemIndex, dragSelToIndex = _mousedItemIndex;
if (!itemHasPoint(dragSelFrom, dragSelFromIndex, _dragStartPos.x(), _dragStartPos.y())) { // maybe exclude dragSelFrom
if (selectingDown) {
if (_type == OverviewPhotos) {
if (_dragStartPos.x() >= _vsize || ((_mousedItem == dragSelFrom) && (m.x() < _dragStartPos.x() + QApplication::startDragDistance()))) {
moveToNextItem(dragSelFrom, dragSelFromIndex, dragSelTo, 1);
}
} else {
if (_dragStartPos.y() >= (itemHeight(dragSelFrom, dragSelFromIndex) - st::msgMargin.bottom()) || ((_mousedItem == dragSelFrom) && (m.y() < _dragStartPos.y() + QApplication::startDragDistance()))) {
moveToNextItem(dragSelFrom, dragSelFromIndex, dragSelTo, -1);
}
}
} else {
if (_type == OverviewPhotos) {
if (_dragStartPos.x() < 0 || ((_mousedItem == dragSelFrom) && (m.x() >= _dragStartPos.x() - QApplication::startDragDistance()))) {
moveToNextItem(dragSelFrom, dragSelFromIndex, dragSelTo, -1);
}
} else {
if (_dragStartPos.y() < st::msgMargin.top() || ((_mousedItem == dragSelFrom) && (m.y() >= _dragStartPos.y() - QApplication::startDragDistance()))) {
moveToNextItem(dragSelFrom, dragSelFromIndex, dragSelTo, 1);
}
}
}
}
if (_dragItem != _mousedItem) { // maybe exclude dragSelTo
if (selectingDown) {
if (_type == OverviewPhotos) {
if (m.x() < 0) {
moveToNextItem(dragSelTo, dragSelToIndex, dragSelFrom, -1);
}
} else {
if (m.y() < st::msgMargin.top()) {
moveToNextItem(dragSelTo, dragSelToIndex, dragSelFrom, 1);
}
}
} else {
if (_type == OverviewPhotos) {
if (m.x() >= _vsize) {
moveToNextItem(dragSelTo, dragSelToIndex, dragSelFrom, 1);
}
} else {
if (m.y() >= itemHeight(dragSelTo, dragSelToIndex) - st::msgMargin.bottom()) {
moveToNextItem(dragSelTo, dragSelToIndex, dragSelFrom, -1);
}
}
}
}
bool dragSelecting = false;
MsgId dragFirstAffected = dragSelFrom;
int32 dragFirstAffectedIndex = dragSelFromIndex;
while (dragFirstAffectedIndex >= 0 && dragFirstAffected <= 0) {
moveToNextItem(dragFirstAffected, dragFirstAffectedIndex, dragSelTo, ((selectingDown && (_type == OverviewPhotos)) || (!selectingDown && (_type != OverviewPhotos))) ? -1 : 1);
}
if (dragFirstAffectedIndex >= 0) {
SelectedItems::const_iterator i = _selected.constFind(dragFirstAffected);
dragSelecting = (i == _selected.cend() || i.value() != FullItemSel);
}
updateDragSelection(dragSelFrom, dragSelFromIndex, dragSelTo, dragSelToIndex, dragSelecting);
}
} else if (_dragAction == Dragging) {
}
if (textlnkDown()) {
cur = style::cur_pointer;
} else if (_dragAction == Selecting && !_selected.isEmpty() && _selected.cbegin().value() != FullItemSel) {
if (!_dragSelFrom || !_dragSelTo) {
cur = style::cur_text;
}
}
}
if (_dragAction == Selecting) {
_overview->checkSelectingScroll(mousePos);
} else {
updateDragSelection(0, -1, 0, -1, false);
_overview->noSelectingScroll();
}
if (lnkChanged || cur != _cursor) {
setCursor(_cursor = cur);
}
}
void OverviewInner::updateDragSelection(MsgId dragSelFrom, int32 dragSelFromIndex, MsgId dragSelTo, int32 dragSelToIndex, bool dragSelecting) {
if (_dragSelFrom != dragSelFrom || _dragSelFromIndex != dragSelFromIndex || _dragSelTo != dragSelTo || _dragSelToIndex != dragSelToIndex || _dragSelecting != dragSelecting) {
_dragSelFrom = dragSelFrom;
_dragSelFromIndex = dragSelFromIndex;
_dragSelTo = dragSelTo;
_dragSelToIndex = dragSelToIndex;
if (_dragSelFromIndex >= 0 && _dragSelToIndex >= 0 && _dragSelFromIndex < _dragSelToIndex) {
qSwap(_dragSelFrom, _dragSelTo);
qSwap(_dragSelFromIndex, _dragSelToIndex);
}
_dragSelecting = dragSelecting;
parentWidget()->update();
}
}
void OverviewInner::mousePressEvent(QMouseEvent *e) {
if (_menu) {
e->accept();
return; // ignore mouse press, that was hiding context menu
}
dragActionStart(e->globalPos(), e->button());
}
void OverviewInner::mouseReleaseEvent(QMouseEvent *e) {
dragActionFinish(e->globalPos(), e->button());
if (!rect().contains(e->pos())) {
leaveEvent(e);
}
}
void OverviewInner::keyPressEvent(QKeyEvent *e) {
if (e->key() == Qt::Key_Escape) {
if (_selected.isEmpty()) {
App::main()->showBackFromStack();
} else {
_overview->onClearSelected();
}
}
}
void OverviewInner::enterEvent(QEvent *e) {
return QWidget::enterEvent(e);
}
void OverviewInner::leaveEvent(QEvent *e) {
if (textlnkOver()) {
updateMsg(App::hoveredLinkItem());
textlnkOver(TextLinkPtr());
App::hoveredLinkItem(0);
if (!textlnkDown() && _cursor != style::cur_default) {
_cursor = style::cur_default;
setCursor(_cursor);
}
}
return QWidget::leaveEvent(e);
}
void OverviewInner::resizeEvent(QResizeEvent *e) {
_width = width();
showAll();
onUpdateSelected();
update();
}
void OverviewInner::showContextMenu(QContextMenuEvent *e, bool showFromTouch) {
if (_menu) {
_menu->deleteLater();
_menu = 0;
}
if (e->reason() == QContextMenuEvent::Mouse) {
dragActionUpdate(e->globalPos());
}
// -2 - has full selected items, but not over, 0 - no selection, 2 - over full selected items
int32 isUponSelected = 0, hasSelected = 0;
if (!_selected.isEmpty()) {
isUponSelected = -1;
if (_selected.cbegin().value() == FullItemSel) {
hasSelected = 2;
if (App::hoveredLinkItem() && _selected.constFind(App::hoveredLinkItem()->id) != _selected.cend()) {
isUponSelected = 2;
} else {
isUponSelected = -2;
}
}
}
if (showFromTouch && hasSelected && isUponSelected < hasSelected) {
isUponSelected = hasSelected;
}
_contextMenuLnk = textlnkOver();
PhotoLink *lnkPhoto = dynamic_cast<PhotoLink*>(_contextMenuLnk.data());
VideoLink *lnkVideo = dynamic_cast<VideoLink*>(_contextMenuLnk.data());
AudioLink *lnkAudio = dynamic_cast<AudioLink*>(_contextMenuLnk.data());
DocumentLink *lnkDocument = dynamic_cast<DocumentLink*>(_contextMenuLnk.data());
if (lnkPhoto || lnkVideo || lnkAudio || lnkDocument) {
_menu = new ContextMenu(_overview);
if (App::hoveredLinkItem()) {
_menu->addAction(lang(lng_context_to_msg), this, SLOT(goToMessage()))->setEnabled(true);
}
if (lnkPhoto) {
_menu->addAction(lang(lng_context_open_image), this, SLOT(openContextUrl()))->setEnabled(true);
} else {
if ((lnkVideo && lnkVideo->video()->loader) || (lnkAudio && lnkAudio->audio()->loader) || (lnkDocument && lnkDocument->document()->loader)) {
_menu->addAction(lang(lng_context_cancel_download), this, SLOT(cancelContextDownload()))->setEnabled(true);
} else {
if ((lnkVideo && !lnkVideo->video()->already(true).isEmpty()) || (lnkAudio && !lnkAudio->audio()->already(true).isEmpty()) || (lnkDocument && !lnkDocument->document()->already(true).isEmpty())) {
_menu->addAction(lang(cPlatform() == dbipMac ? lng_context_show_in_finder : lng_context_show_in_folder), this, SLOT(showContextInFolder()))->setEnabled(true);
}
_menu->addAction(lang(lnkVideo ? lng_context_open_video : (lnkAudio ? lng_context_open_audio : lng_context_open_document)), this, SLOT(openContextFile()))->setEnabled(true);
_menu->addAction(lang(lnkVideo ? lng_context_save_video : (lnkAudio ? lng_context_save_audio : lng_context_save_document)), this, SLOT(saveContextFile()))->setEnabled(true);
}
}
if (isUponSelected > 1) {
_menu->addAction(lang(lng_context_forward_selected), _overview, SLOT(onForwardSelected()));
_menu->addAction(lang(lng_context_delete_selected), _overview, SLOT(onDeleteSelected()));
_menu->addAction(lang(lng_context_clear_selection), _overview, SLOT(onClearSelected()));
} else if (App::hoveredLinkItem()) {
if (isUponSelected != -2) {
if (dynamic_cast<HistoryMessage*>(App::hoveredLinkItem())) {
_menu->addAction(lang(lng_context_forward_msg), this, SLOT(forwardMessage()))->setEnabled(true);
}
_menu->addAction(lang(lng_context_delete_msg), this, SLOT(deleteMessage()))->setEnabled(true);
}
_menu->addAction(lang(lng_context_select_msg), this, SLOT(selectMessage()))->setEnabled(true);
}
App::contextItem(App::hoveredLinkItem());
}
if (_menu) {
_menu->deleteOnHide();
connect(_menu, SIGNAL(destroyed(QObject*)), this, SLOT(onMenuDestroy(QObject*)));
_menu->popup(e->globalPos());
e->accept();
}
}
int32 OverviewInner::resizeToWidth(int32 nwidth, int32 scrollTop, int32 minHeight) {
if (width() == nwidth && minHeight == _minHeight) return scrollTop;
_minHeight = minHeight;
_addToY = (_height < _minHeight) ? (_minHeight - _height) : 0;
if (_type == OverviewPhotos && _resizeIndex < 0) {
_resizeIndex = _photosInRow * ((scrollTop + minHeight) / int32(_vsize + st::overviewPhotoSkip)) + _photosInRow - 1;
_resizeSkip = (scrollTop + minHeight) - ((scrollTop + minHeight) / int32(_vsize + st::overviewPhotoSkip)) * int32(_vsize + st::overviewPhotoSkip);
}
resize(nwidth, height() > _minHeight ? height() : _minHeight);
showAll();
if (_type == OverviewPhotos) {
int32 newRow = _resizeIndex / _photosInRow;
return newRow * int32(_vsize + st::overviewPhotoSkip) + _resizeSkip - minHeight;
}
return scrollTop;
}
void OverviewInner::dropResizeIndex() {
_resizeIndex = -1;
}
PeerData *OverviewInner::peer() const {
return _peer;
}
MediaOverviewType OverviewInner::type() const {
return _type;
}
void OverviewInner::switchType(MediaOverviewType type) {
if (_type != type) {
_selected.clear();
_dragItemIndex = _mousedItemIndex = _dragSelFromIndex = _dragSelToIndex = -1;
_dragItem = _mousedItem = _dragSelFrom = _dragSelTo = 0;
_items.clear();
_cached.clear();
_type = type;
}
mediaOverviewUpdated();
if (App::wnd()) App::wnd()->update();
}
void OverviewInner::openContextUrl() {
HistoryItem *was = App::hoveredLinkItem();
App::hoveredLinkItem(App::contextItem());
_contextMenuLnk->onClick(Qt::LeftButton);
App::hoveredLinkItem(was);
}
void OverviewInner::goToMessage() {
HistoryItem *item = App::contextItem();
if (!item) return;
App::main()->showPeer(item->history()->peer->id, item->id, true, true);
}
void OverviewInner::forwardMessage() {
HistoryItem *item = App::contextItem();
if (!item || item->itemType() != HistoryItem::MsgType) return;
App::main()->forwardLayer();
}
void OverviewInner::deleteMessage() {
HistoryItem *item = App::contextItem();
if (!item || item->itemType() != HistoryItem::MsgType) return;
HistoryMessage *msg = dynamic_cast<HistoryMessage*>(item);
App::main()->deleteLayer((msg && msg->uploading()) ? -2 : -1);
}
void OverviewInner::selectMessage() {
HistoryItem *item = App::contextItem();
if (!item || item->itemType() != HistoryItem::MsgType) return;
if (!_selected.isEmpty() && _selected.cbegin().value() != FullItemSel) {
_selected.clear();
} else if (_selected.size() == MaxSelectedItems && _selected.constFind(item->id) == _selected.cend()) {
return;
}
_selected.insert(item->id, FullItemSel);
_overview->updateTopBarSelection();
_overview->update();
}
void OverviewInner::cancelContextDownload() {
VideoLink *lnkVideo = dynamic_cast<VideoLink*>(_contextMenuLnk.data());
AudioLink *lnkAudio = dynamic_cast<AudioLink*>(_contextMenuLnk.data());
DocumentLink *lnkDocument = dynamic_cast<DocumentLink*>(_contextMenuLnk.data());
mtpFileLoader *loader = lnkVideo ? lnkVideo->video()->loader : (lnkAudio ? lnkAudio->audio()->loader : (lnkDocument ? lnkDocument->document()->loader : 0));
if (loader) loader->cancel();
}
void OverviewInner::showContextInFolder() {
VideoLink *lnkVideo = dynamic_cast<VideoLink*>(_contextMenuLnk.data());
AudioLink *lnkAudio = dynamic_cast<AudioLink*>(_contextMenuLnk.data());
DocumentLink *lnkDocument = dynamic_cast<DocumentLink*>(_contextMenuLnk.data());
QString already = lnkVideo ? lnkVideo->video()->already(true) : (lnkAudio ? lnkAudio->audio()->already(true) : (lnkDocument ? lnkDocument->document()->already(true) : QString()));
if (!already.isEmpty()) psShowInFolder(already);
}
void OverviewInner::saveContextFile() {
VideoLink *lnkVideo = dynamic_cast<VideoLink*>(_contextMenuLnk.data());
AudioLink *lnkAudio = dynamic_cast<AudioLink*>(_contextMenuLnk.data());
DocumentLink *lnkDocument = dynamic_cast<DocumentLink*>(_contextMenuLnk.data());
if (lnkVideo) VideoSaveLink(lnkVideo->video()).doSave(true);
if (lnkAudio) AudioSaveLink(lnkAudio->audio()).doSave(true);
if (lnkDocument) DocumentSaveLink(lnkDocument->document()).doSave(true);
}
void OverviewInner::openContextFile() {
VideoLink *lnkVideo = dynamic_cast<VideoLink*>(_contextMenuLnk.data());
AudioLink *lnkAudio = dynamic_cast<AudioLink*>(_contextMenuLnk.data());
DocumentLink *lnkDocument = dynamic_cast<DocumentLink*>(_contextMenuLnk.data());
if (lnkVideo) VideoOpenLink(lnkVideo->video()).onClick(Qt::LeftButton);
if (lnkAudio) AudioOpenLink(lnkAudio->audio()).onClick(Qt::LeftButton);
if (lnkDocument) DocumentOpenLink(lnkDocument->document()).onClick(Qt::LeftButton);
}
void OverviewInner::onMenuDestroy(QObject *obj) {
if (_menu == obj) {
_menu = 0;
}
}
void OverviewInner::getSelectionState(int32 &selectedForForward, int32 &selectedForDelete) const {
selectedForForward = selectedForDelete = 0;
for (SelectedItems::const_iterator i = _selected.cbegin(), e = _selected.cend(); i != e; ++i) {
if (i.value() == FullItemSel) {
++selectedForDelete;
if (i.key() > 0) {
++selectedForForward;
}
}
}
if (!selectedForDelete && !selectedForForward && !_selected.isEmpty()) { // text selection
selectedForForward = -1;
}
}
void OverviewInner::clearSelectedItems(bool onlyTextSelection) {
if (!_selected.isEmpty() && (!onlyTextSelection || _selected.cbegin().value() != FullItemSel)) {
_selected.clear();
_overview->updateTopBarSelection();
_overview->update();
}
}
void OverviewInner::fillSelectedItems(SelectedItemSet &sel, bool forDelete) {
if (_selected.isEmpty() || _selected.cbegin().value() != FullItemSel) return;
for (SelectedItems::const_iterator i = _selected.cbegin(), e = _selected.cend(); i != e; ++i) {
HistoryItem *item = App::histItemById(i.key());
if (item && item->itemType() == HistoryItem::MsgType && ((item->id > 0 && !item->serviceMsg()) || forDelete)) {
sel.insert(item->id, item);
}
}
}
void OverviewInner::onTouchSelect() {
_touchSelect = true;
dragActionStart(_touchPos);
}
void OverviewInner::onTouchScrollTimer() {
uint64 nowTime = getms();
if (_touchScrollState == TouchScrollAcceleration && _touchWaitingAcceleration && (nowTime - _touchAccelerationTime) > 40) {
_touchScrollState = TouchScrollManual;
touchResetSpeed();
} else if (_touchScrollState == TouchScrollAuto || _touchScrollState == TouchScrollAcceleration) {
int32 elapsed = int32(nowTime - _touchTime);
QPoint delta = _touchSpeed * elapsed / 1000;
bool hasScrolled = _overview->touchScroll(delta);
if (_touchSpeed.isNull() || !hasScrolled) {
_touchScrollState = TouchScrollManual;
_touchScroll = false;
_touchScrollTimer.stop();
} else {
_touchTime = nowTime;
}
touchDeaccelerate(elapsed);
}
}
void OverviewInner::mediaOverviewUpdated() {
int32 oldHeight = _height;
if (_type != OverviewPhotos) {
History::MediaOverview &o(_hist->_overview[_type]);
int32 l = o.size();
_items.reserve(2 * l); // day items
int32 y = 0, in = 0;
bool allGood = true;
QDate prevDate;
for (int32 i = 0; i < l; ++i) {
MsgId msgid = o.at(l - i - 1);
if (allGood) {
if (_items.size() > in && _items.at(in).msgid == msgid) {
prevDate = _items.at(in).date;
y = _items.at(in).y;
++in;
continue;
}
if (_items.size() > in + 1 && !_items.at(in).msgid && _items.at(in + 1).msgid == msgid) { // day item
++in;
prevDate = _items.at(in).date;
y = _items.at(in).y;
++in;
continue;
}
allGood = false;
}
HistoryItem *item = App::histItemById(msgid);
HistoryMedia *media = item ? item->getMedia(true) : 0;
if (!media) continue;
QDate date = item->date.date();
if (in > 0) {
if (date != prevDate) { // add day item
y += st::msgServiceFont->height + st::msgServicePadding.top() + st::msgServicePadding.bottom() + st::msgServiceMargin.top() + st::msgServiceMargin.bottom(); // day item height
if (_items.size() > in) {
_items[in].msgid = 0;
_items[in].date = prevDate;
_items[in].y = y;
} else {
_items.push_back(CachedItem(0, prevDate, y));
}
++in;
prevDate = date;
}
} else {
prevDate = date;
}
int32 w = _width - st::msgMargin.left() - st::msgMargin.right();
y += media->countHeight(item, w) + st::msgMargin.top() + st::msgMargin.bottom(); // item height
if (_items.size() > in) {
_items[in].msgid = msgid;
_items[in].date = date;
_items[in].y = y;
} else {
_items.push_back(CachedItem(msgid, date, y));
}
++in;
}
if (!_items.isEmpty()) {
y += st::msgServiceFont->height + st::msgServicePadding.top() + st::msgServicePadding.bottom() + st::msgServiceMargin.top() + st::msgServiceMargin.bottom(); // day item height
if (_items.size() > in) {
_items[in].msgid = 0;
_items[in].date = prevDate;
_items[in].y = y;
} else {
_items.push_back(CachedItem(0, prevDate, y));
}
_items.resize(++in);
}
if (_height != y) {
_height = y;
_addToY = (_height < _minHeight) ? (_minHeight - _height) : 0;
resize(width(), _minHeight > _height ? _minHeight : _height);
}
}
fixItemIndex(_dragSelFromIndex, _dragSelFrom);
fixItemIndex(_dragSelToIndex, _dragSelTo);
fixItemIndex(_mousedItemIndex, _mousedItem);
fixItemIndex(_dragItemIndex, _dragItem);
resizeEvent(0);
if (_height != oldHeight) {
_overview->scrollBy(_height - oldHeight);
}
}
void OverviewInner::changingMsgId(HistoryItem *row, MsgId newId) {
if (_dragSelFrom == row->id) _dragSelFrom = newId;
if (_dragSelTo == row->id) _dragSelTo = newId;
if (_mousedItem == row->id) _mousedItem = newId;
if (_dragItem == row->id) _dragItem = newId;
for (SelectedItems::iterator i = _selected.begin(), e = _selected.end(); i != e; ++i) {
if (i.key() == row->id) {
uint32 sel = i.value();
_selected.erase(i);
_selected.insert(newId, sel);
break;
}
}
for (CachedItems::iterator i = _items.begin(), e = _items.end(); i != e; ++i) {
if (i->msgid == row->id) {
i->msgid = newId;
break;
}
}
}
void OverviewInner::itemRemoved(HistoryItem *item) {
if (_dragItem == item->id) {
dragActionCancel();
}
SelectedItems::iterator i = _selected.find(item->id);
if (i != _selected.cend()) {
_selected.erase(i);
_overview->updateTopBarSelection();
}
onUpdateSelected();
if (_dragSelFrom == item->id) {
_dragSelFrom = 0;
_dragSelFromIndex = -1;
}
if (_dragSelTo == item->id) {
_dragSelTo = 0;
_dragSelToIndex = -1;
}
updateDragSelection(_dragSelFrom, _dragSelFromIndex, _dragSelTo, _dragSelToIndex, _dragSelecting);
parentWidget()->update();
}
void OverviewInner::itemResized(HistoryItem *item) {
if (_type != OverviewPhotos) {
HistoryMedia *media = item ? item->getMedia(true) : 0;
if (!media) return;
for (int32 i = 0, l = _items.size(); i < l; ++i) {
if (_items[i].msgid == item->id) {
int32 from = 0;
if (i > 0) from = _items[i - 1].y;
int32 oldh = _items[i].y - from;
int32 w = _width - st::msgMargin.left() - st::msgMargin.right();
int32 newh = media->countHeight(item, w) + st::msgMargin.top() + st::msgMargin.bottom(); // item height
if (oldh != newh) {
newh -= oldh;
for (int32 j = i; j < l; ++j) {
_items[j].y += newh;
}
_height = _items[l - 1].y;
_addToY = (_height < _minHeight) ? (_minHeight - _height) : 0;
resize(width(), _minHeight > _height ? _minHeight : _height);
if (_addToY + _height - from > _scroll->scrollTop() + _scroll->height()) {
_scroll->scrollToY(_addToY + _height - from - _scroll->height());
}
if (_addToY + _height - _items[i].y < _scroll->scrollTop()) {
_scroll->scrollToY(_addToY + _height - _items[i].y);
}
parentWidget()->update();
}
break;
}
}
}
}
void OverviewInner::msgUpdated(const HistoryItem *msg) {
if (!msg || _hist != msg->history()) return;
MsgId msgid = msg->id;
if (_hist->_overviewIds[_type].constFind(msgid) != _hist->_overviewIds[_type].cend()) {
if (_type == OverviewPhotos) {
int32 index = _hist->_overview[_type].indexOf(msgid);
if (index >= 0) {
float64 w = (float64(width() - st::overviewPhotoSkip) / _photosInRow);
int32 vsize = (_vsize + st::overviewPhotoSkip);
int32 row = (_photosToAdd + index) / _photosInRow, col = (_photosToAdd + index) % _photosInRow;
update(int32(col * w), _addToY + int32(row * vsize), qCeil(w), vsize);
}
} else {
for (int32 i = 0, l = _items.size(); i != l; ++i) {
if (_items[i].msgid == msgid) {
HistoryMedia *media = msg->getMedia(true);
int32 w = _width - st::msgMargin.left() - st::msgMargin.right();
if (media) update(0, _addToY + _height - _items[i].y, _width, media->countHeight(msg, w) + st::msgMargin.top() + st::msgMargin.bottom());
break;
}
}
}
}
}
void OverviewInner::showAll() {
int32 newHeight = height();
if (_type == OverviewPhotos) {
_photosInRow = int32(width() - st::overviewPhotoSkip) / int32(st::overviewPhotoMinSize + st::overviewPhotoSkip);
_vsize = (int32(width() - st::overviewPhotoSkip) / _photosInRow) - st::overviewPhotoSkip;
int32 count = _hist->_overview[_type].size(), fullCount = _hist->_overviewCount[_type];
if (fullCount > 0) {
int32 cnt = count - (fullCount % _photosInRow);
if (cnt < 0) cnt += _photosInRow;
_photosToAdd = (_photosInRow - (cnt % _photosInRow)) % _photosInRow;
} else {
_photosToAdd = 0;
}
int32 rows = ((_photosToAdd + count) / _photosInRow) + (((_photosToAdd + count) % _photosInRow) ? 1 : 0);
newHeight = _height = (_vsize + st::overviewPhotoSkip) * rows + st::overviewPhotoSkip;
_addToY = (_height < _minHeight) ? (_minHeight - _height) : 0;
} else {
newHeight = _height;
}
if (newHeight < _minHeight) {
newHeight = _minHeight;
}
if (height() != newHeight) {
resize(width(), newHeight);
}
}
OverviewInner::~OverviewInner() {
}
OverviewWidget::OverviewWidget(QWidget *parent, const PeerData *peer, MediaOverviewType type) : QWidget(parent)
, _scroll(this, st::setScroll, false)
, _inner(this, &_scroll, peer, type)
, _noDropResizeIndex(false)
, _bg(st::msgBG)
, _showing(false)
, _scrollSetAfterShow(0)
, _scrollDelta(0)
, _selCount(0) {
_scroll.setFocusPolicy(Qt::NoFocus);
_scroll.setWidget(&_inner);
_scroll.move(0, 0);
_inner.move(0, 0);
_scroll.show();
connect(&_scroll, SIGNAL(scrolled()), &_inner, SLOT(onUpdateSelected()));
connect(&_scroll, SIGNAL(scrolled()), this, SLOT(onScroll()));
connect(&_scrollTimer, SIGNAL(timeout()), this, SLOT(onScrollTimer()));
_scrollTimer.setSingleShot(false);
switchType(type);
}
void OverviewWidget::clear() {
_inner.clear();
}
void OverviewWidget::onScroll() {
MTP::clearLoaderPriorities();
if (_scroll.scrollTop() < _scroll.height() * 5) {
if (App::main()) {
App::main()->loadMediaBack(peer(), type(), true);
}
}
if (!_noDropResizeIndex) {
_inner.dropResizeIndex();
}
}
void OverviewWidget::resizeEvent(QResizeEvent *e) {
_scroll.resize(size());
int32 newScrollTop = _inner.resizeToWidth(width(), _scroll.scrollTop(), height());
if (newScrollTop != _scroll.scrollTop()) {
_noDropResizeIndex = true;
_scroll.scrollToY(newScrollTop);
_noDropResizeIndex = false;
}
}
void OverviewWidget::paintEvent(QPaintEvent *e) {
QPainter p(this);
if (animating() && _showing) {
p.setOpacity(a_bgAlpha.current());
p.drawPixmap(a_bgCoord.current(), 0, _bgAnimCache);
p.setOpacity(a_alpha.current());
p.drawPixmap(a_coord.current(), 0, _animCache);
return;
}
QRect r(e->rect());
if (type() == OverviewPhotos) {
p.fillRect(r, st::white->b);
} else if (cCatsAndDogs()) {
int32 i_from = r.left() / _bg.width(), i_to = (r.left() + r.width() - 1) / _bg.width() + 1;
int32 j_from = r.top() / _bg.height(), j_to = (r.top() + r.height() - 1) / _bg.height() + 1;
for (int32 i = i_from; i < i_to; ++i) {
for (int32 j = j_from; j < j_to; ++j) {
p.drawPixmap(i * _bg.width(), j * _bg.height(), _bg);
}
}
} else {
p.fillRect(r, st::historyBG->b);
}
}
void OverviewWidget::contextMenuEvent(QContextMenuEvent *e) {
return _inner.showContextMenu(e);
}
void OverviewWidget::scrollBy(int32 add) {
if (_scroll.isHidden()) {
_scrollSetAfterShow += add;
} else {
_scroll.scrollToY(_scroll.scrollTop() + add);
}
}
void OverviewWidget::paintTopBar(QPainter &p, float64 over, int32 decreaseWidth) {
if (animating() && _showing) {
p.setOpacity(a_bgAlpha.current());
p.drawPixmap(a_bgCoord.current(), 0, _bgAnimTopBarCache);
p.setOpacity(a_alpha.current());
p.drawPixmap(a_coord.current(), 0, _animTopBarCache);
} else {
p.setOpacity(st::topBarBackAlpha + (1 - st::topBarBackAlpha) * over);
p.drawPixmap(QPoint(st::topBarBackPadding.left(), (st::topBarHeight - st::topBarBackImg.pxHeight()) / 2), App::sprite(), st::topBarBackImg);
p.setFont(st::topBarBackFont->f);
p.setPen(st::topBarBackColor->p);
p.drawText(st::topBarBackPadding.left() + st::topBarBackImg.pxWidth() + st::topBarBackPadding.right(), (st::topBarHeight - st::titleFont->height) / 2 + st::titleFont->ascent, _header);
}
}
void OverviewWidget::topBarClick() {
App::main()->showBackFromStack();
}
PeerData *OverviewWidget::peer() const {
return _inner.peer();
}
MediaOverviewType OverviewWidget::type() const {
return _inner.type();
}
void OverviewWidget::switchType(MediaOverviewType type) {
_inner.switchType(type);
switch (type) {
case OverviewPhotos: _header = lang(lng_profile_photos_header); break;
case OverviewVideos: _header = lang(lng_profile_videos_header); break;
case OverviewDocuments: _header = lang(lng_profile_documents_header); break;
case OverviewAudios: _header = lang(lng_profile_audios_header); break;
}
noSelectingScroll();
_selCount = 0;
App::main()->topBar()->showSelected(0);
updateTopBarSelection();
_scroll.scrollToY(_scroll.scrollTopMax());
onScroll();
}
void OverviewWidget::updateTopBarSelection() {
int32 selectedForForward, selectedForDelete;
_inner.getSelectionState(selectedForForward, selectedForDelete);
_selCount = selectedForDelete ? selectedForDelete : selectedForForward;
if (App::main()) {
App::main()->topBar()->showSelected(_selCount > 0 ? _selCount : 0);
App::main()->topBar()->update();
}
if (App::wnd() && !App::wnd()->layerShown()) {
_inner.setFocus();
}
update();
}
int32 OverviewWidget::lastWidth() const {
return width();
}
int32 OverviewWidget::lastScrollTop() const {
return _scroll.scrollTop();
}
void OverviewWidget::animShow(const QPixmap &bgAnimCache, const QPixmap &bgAnimTopBarCache, bool back, int32 lastScrollTop) {
stopGif();
_bgAnimCache = bgAnimCache;
_bgAnimTopBarCache = bgAnimTopBarCache;
resizeEvent(0);
_scroll.scrollToY(lastScrollTop < 0 ? _scroll.scrollTopMax() : lastScrollTop);
_animCache = myGrab(this, rect());
App::main()->topBar()->stopAnim();
_animTopBarCache = myGrab(App::main()->topBar(), QRect(0, 0, width(), st::topBarHeight));
App::main()->topBar()->startAnim();
_scrollSetAfterShow = _scroll.scrollTop();
_scroll.hide();
a_coord = back ? anim::ivalue(-st::introSlideShift, 0) : anim::ivalue(st::introSlideShift, 0);
a_alpha = anim::fvalue(0, 1);
a_bgCoord = back ? anim::ivalue(0, st::introSlideShift) : anim::ivalue(0, -st::introSlideShift);
a_bgAlpha = anim::fvalue(1, 0);
anim::start(this);
_showing = true;
show();
_inner.setFocus();
App::main()->topBar()->update();
}
bool OverviewWidget::animStep(float64 ms) {
float64 fullDuration = st::introSlideDelta + st::introSlideDuration, dt = ms / fullDuration;
float64 dt1 = (ms > st::introSlideDuration) ? 1 : (ms / st::introSlideDuration), dt2 = (ms > st::introSlideDelta) ? (ms - st::introSlideDelta) / (st::introSlideDuration) : 0;
bool res = true;
if (dt2 >= 1) {
res = _showing = false;
a_bgCoord.finish();
a_bgAlpha.finish();
a_coord.finish();
a_alpha.finish();
_bgAnimCache = _animCache = _animTopBarCache = _bgAnimTopBarCache = QPixmap();
App::main()->topBar()->stopAnim();
_scroll.show();
_scroll.scrollToY(_scrollSetAfterShow);
activate();
onScroll();
} else {
a_bgCoord.update(dt1, st::introHideFunc);
a_bgAlpha.update(dt1, st::introAlphaHideFunc);
a_coord.update(dt2, st::introShowFunc);
a_alpha.update(dt2, st::introAlphaShowFunc);
}
update();
App::main()->topBar()->update();
return res;
}
void OverviewWidget::mediaOverviewUpdated(PeerData *p) {
if (peer() == p) {
_inner.mediaOverviewUpdated();
onScroll();
updateTopBarSelection();
}
}
void OverviewWidget::changingMsgId(HistoryItem *row, MsgId newId) {
if (peer() == row->history()->peer) {
_inner.changingMsgId(row, newId);
}
}
void OverviewWidget::msgUpdated(PeerId p, const HistoryItem *msg) {
if (peer()->id == p) {
_inner.msgUpdated(msg);
}
}
void OverviewWidget::itemRemoved(HistoryItem *row) {
if (row->history()->peer == peer()) {
_inner.itemRemoved(row);
}
}
void OverviewWidget::itemResized(HistoryItem *row) {
if (!row || row->history()->peer == peer()) {
_inner.itemResized(row);
}
}
void OverviewWidget::fillSelectedItems(SelectedItemSet &sel, bool forDelete) {
_inner.fillSelectedItems(sel, forDelete);
}
OverviewWidget::~OverviewWidget() {
onClearSelected();
updateTopBarSelection();
}
void OverviewWidget::activate() {
_inner.setFocus();
}
QPoint OverviewWidget::clampMousePosition(QPoint point) {
if (point.x() < 0) {
point.setX(0);
} else if (point.x() >= _scroll.width()) {
point.setX(_scroll.width() - 1);
}
if (point.y() < _scroll.scrollTop()) {
point.setY(_scroll.scrollTop());
} else if (point.y() >= _scroll.scrollTop() + _scroll.height()) {
point.setY(_scroll.scrollTop() + _scroll.height() - 1);
}
return point;
}
void OverviewWidget::onScrollTimer() {
int32 d = (_scrollDelta > 0) ? qMin(_scrollDelta * 3 / 20 + 1, int32(MaxScrollSpeed)) : qMax(_scrollDelta * 3 / 20 - 1, -int32(MaxScrollSpeed));
_scroll.scrollToY(_scroll.scrollTop() + d);
}
void OverviewWidget::checkSelectingScroll(QPoint point) {
if (point.y() < _scroll.scrollTop()) {
_scrollDelta = point.y() - _scroll.scrollTop();
} else if (point.y() >= _scroll.scrollTop() + _scroll.height()) {
_scrollDelta = point.y() - _scroll.scrollTop() - _scroll.height() + 1;
} else {
_scrollDelta = 0;
}
if (_scrollDelta) {
_scrollTimer.start(15);
} else {
_scrollTimer.stop();
}
}
void OverviewWidget::noSelectingScroll() {
_scrollTimer.stop();
}
bool OverviewWidget::touchScroll(const QPoint &delta) {
int32 scTop = _scroll.scrollTop(), scMax = _scroll.scrollTopMax(), scNew = snap(scTop - delta.y(), 0, scMax);
if (scNew == scTop) return false;
_scroll.scrollToY(scNew);
return true;
}
void OverviewWidget::onForwardSelected() {
App::main()->forwardLayer(true);
}
void OverviewWidget::onDeleteSelected() {
SelectedItemSet sel;
_inner.fillSelectedItems(sel);
if (sel.isEmpty()) return;
App::main()->deleteLayer(sel.size());
}
void OverviewWidget::onDeleteSelectedSure() {
SelectedItemSet sel;
_inner.fillSelectedItems(sel);
if (sel.isEmpty()) return;
QVector<MTPint> ids;
for (SelectedItemSet::const_iterator i = sel.cbegin(), e = sel.cend(); i != e; ++i) {
if (i.value()->id > 0) {
ids.push_back(MTP_int(i.value()->id));
}
}
if (!ids.isEmpty()) {
MTP::send(MTPmessages_DeleteMessages(MTP_vector<MTPint>(ids)));
}
onClearSelected();
for (SelectedItemSet::const_iterator i = sel.cbegin(), e = sel.cend(); i != e; ++i) {
i.value()->destroy();
}
if (App::main() && App::main()->peer() == peer()) {
App::main()->itemResized(0);
}
App::wnd()->hideLayer();
}
void OverviewWidget::onDeleteContextSure() {
HistoryItem *item = App::contextItem();
if (!item || item->itemType() != HistoryItem::MsgType) {
return;
}
if (item->id > 0) {
MTP::send(MTPmessages_DeleteMessages(MTP_vector<MTPint>(1, MTP_int(item->id))));
}
item->destroy();
if (App::main() && App::main()->peer() == peer()) {
App::main()->itemResized(0);
}
App::wnd()->hideLayer();
}
void OverviewWidget::onClearSelected() {
_inner.clearSelectedItems();
}
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