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Fixed history scroll state clearing in case bot info was shown.

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This commit is contained in:
John Preston 2016-10-19 17:33:28 +03:00
parent 2ffc0196dd
commit f1307f70ce
4 changed files with 26 additions and 31 deletions
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1
Telegram/Resources/basic.style
View File

@ -960,7 +960,6 @@ msgDateImgPadding: point(8px, 2px);
msgDateImgCheckSpace: 4px;
msgDogImg: sprite(216px, 92px, 126px, 126px);
historyPadding: 10px;
collapseButton: flatButton(btnDefFlat) {
font: msgServiceFont;

2
Telegram/SourceFiles/history/history.style
View File

@ -21,6 +21,8 @@ Copyright (c) 2014-2016 John Preston, https://desktop.telegram.org
using "basic.style";
using "dialogs/dialogs.style";
historyPaddingBottom: 10px;
historyToDown: icon {
{ "history_down_shadow", #00000040 },
{ "history_down_circle", #fff, point(2px, 1px) },

52
Telegram/SourceFiles/historywidget.cpp
View File

@ -1512,14 +1512,11 @@ void HistoryInner::keyPressEvent(QKeyEvent *e) {
}
void HistoryInner::recountHeight() {
int htop = historyTop(), mtop = migratedTop();
int ph = _scroll->height(), minadd = 0;
int wasYSkip = ph - historyHeight() - st::historyPadding;
int visibleHeight = _scroll->height();
int oldHistoryPaddingTop = qMax(visibleHeight - historyHeight() - st::historyPaddingBottom, 0);
if (_botAbout && !_botAbout->info->text.isEmpty()) {
minadd = st::msgMargin.top() + st::msgMargin.bottom() + st::msgPadding.top() + st::msgPadding.bottom() + st::msgNameFont->height + st::botDescSkip + _botAbout->height;
accumulate_max(oldHistoryPaddingTop, st::msgMargin.top() + st::msgMargin.bottom() + st::msgPadding.top() + st::msgPadding.bottom() + st::msgNameFont->height + st::botDescSkip + _botAbout->height);
}
if (wasYSkip < minadd) wasYSkip = minadd;
_history->resizeGetHeight(_scroll->width());
if (_migrated) {
@ -1559,7 +1556,7 @@ void HistoryInner::recountHeight() {
descMaxWidth = qMin(descMaxWidth, int32(st::msgMaxWidth + 2 * st::msgPhotoSkip + 2 * st::msgMargin.left()));
}
int32 descAtX = (descMaxWidth - _botAbout->width) / 2 - st::msgPadding.left();
int32 descAtY = qMin(_historyOffset - descH, qMax(0, (_scroll->height() - descH) / 2)) + st::msgMargin.top();
int32 descAtY = qMin(_historyPaddingTop - descH, qMax(0, (_scroll->height() - descH) / 2)) + st::msgMargin.top();
_botAbout->rect = QRect(descAtX, descAtY, _botAbout->width + st::msgPadding.left() + st::msgPadding.right(), descH - st::msgMargin.top() - st::msgMargin.bottom());
} else if (_botAbout) {
@ -1567,17 +1564,17 @@ void HistoryInner::recountHeight() {
_botAbout->rect = QRect();
}
int32 newYSkip = ph - historyHeight() - st::historyPadding;
int newHistoryPaddingTop = qMax(visibleHeight - historyHeight() - st::historyPaddingBottom, 0);
if (_botAbout && !_botAbout->info->text.isEmpty()) {
minadd = st::msgMargin.top() + st::msgMargin.bottom() + st::msgPadding.top() + st::msgPadding.bottom() + st::msgNameFont->height + st::botDescSkip + _botAbout->height;
accumulate_max(newHistoryPaddingTop, st::msgMargin.top() + st::msgMargin.bottom() + st::msgPadding.top() + st::msgPadding.bottom() + st::msgNameFont->height + st::botDescSkip + _botAbout->height);
}
if (newYSkip < minadd) newYSkip = minadd;
if (newYSkip != wasYSkip) {
auto historyPaddingTopDelta = (newHistoryPaddingTop - oldHistoryPaddingTop);
if (historyPaddingTopDelta != 0) {
if (_history->scrollTopItem) {
_history->scrollTopOffset += (newYSkip - wasYSkip);
_history->scrollTopOffset += historyPaddingTopDelta;
} else if (_migrated && _migrated->scrollTopItem) {
_migrated->scrollTopOffset += (newYSkip - wasYSkip);
_migrated->scrollTopOffset += historyPaddingTopDelta;
}
}
}
@ -1609,7 +1606,7 @@ void HistoryInner::updateBotInfo(bool recount) {
if (_botAbout->height > 0) {
int32 descH = st::msgMargin.top() + st::msgPadding.top() + st::msgNameFont->height + st::botDescSkip + _botAbout->height + st::msgPadding.bottom() + st::msgMargin.bottom();
int32 descAtX = (_scroll->width() - _botAbout->width) / 2 - st::msgPadding.left();
int32 descAtY = qMin(_historyOffset - descH, (_scroll->height() - descH) / 2) + st::msgMargin.top();
int32 descAtY = qMin(_historyPaddingTop - descH, (_scroll->height() - descH) / 2) + st::msgMargin.top();
_botAbout->rect = QRect(descAtX, descAtY, _botAbout->width + st::msgPadding.left() + st::msgPadding.right(), descH - st::msgMargin.top() - st::msgMargin.bottom());
} else {
@ -1637,7 +1634,7 @@ void HistoryInner::visibleAreaUpdated(int top, int bottom) {
return;
}
if (bottom >= historyHeight()) {
if (bottom >= _historyPaddingTop + historyHeight() + st::historyPaddingBottom) {
_history->forgetScrollState();
if (_migrated) {
_migrated->forgetScrollState();
@ -1712,12 +1709,11 @@ void HistoryInner::repaintScrollDateCallback() {
}
void HistoryInner::updateSize() {
int32 ph = _scroll->height(), minadd = 0;
int32 newYSkip = ph - historyHeight() - st::historyPadding;
int visibleHeight = _scroll->height();
int newHistoryPaddingTop = qMax(visibleHeight - historyHeight() - st::historyPaddingBottom, 0);
if (_botAbout && !_botAbout->info->text.isEmpty()) {
minadd = st::msgMargin.top() + st::msgMargin.bottom() + st::msgPadding.top() + st::msgPadding.bottom() + st::msgNameFont->height + st::botDescSkip + _botAbout->height;
accumulate_max(newHistoryPaddingTop, st::msgMargin.top() + st::msgMargin.bottom() + st::msgPadding.top() + st::msgPadding.bottom() + st::msgNameFont->height + st::botDescSkip + _botAbout->height);
}
if (newYSkip < minadd) newYSkip = minadd;
if (_botAbout && _botAbout->height > 0) {
int32 descH = st::msgMargin.top() + st::msgPadding.top() + st::msgNameFont->height + st::botDescSkip + _botAbout->height + st::msgPadding.bottom() + st::msgMargin.bottom();
@ -1726,17 +1722,16 @@ void HistoryInner::updateSize() {
descMaxWidth = qMin(descMaxWidth, int32(st::msgMaxWidth + 2 * st::msgPhotoSkip + 2 * st::msgMargin.left()));
}
int32 descAtX = (descMaxWidth - _botAbout->width) / 2 - st::msgPadding.left();
int32 descAtY = qMin(newYSkip - descH, qMax(0, (_scroll->height() - descH) / 2)) + st::msgMargin.top();
int32 descAtY = qMin(newHistoryPaddingTop - descH, qMax(0, (_scroll->height() - descH) / 2)) + st::msgMargin.top();
_botAbout->rect = QRect(descAtX, descAtY, _botAbout->width + st::msgPadding.left() + st::msgPadding.right(), descH - st::msgMargin.top() - st::msgMargin.bottom());
}
int32 yAdded = newYSkip - _historyOffset;
_historyOffset = newYSkip;
_historyPaddingTop = newHistoryPaddingTop;
int32 nh = _historyOffset + historyHeight() + st::historyPadding;
if (width() != _scroll->width() || height() != nh) {
resize(_scroll->width(), nh);
int newHeight = _historyPaddingTop + historyHeight() + st::historyPaddingBottom;
if (width() != _scroll->width() || height() != newHeight) {
resize(_scroll->width(), newHeight);
dragActionUpdate(QCursor::pos());
} else {
@ -1952,7 +1947,7 @@ void HistoryInner::onUpdateSelected() {
HistoryTextState dragState;
ClickHandlerHost *lnkhost = nullptr;
bool selectingText = (item == _dragItem && item == App::hoveredItem() && !_selected.isEmpty() && _selected.cbegin().value() != FullSelection);
if (point.y() < _historyOffset) {
if (point.y() < _historyPaddingTop) {
if (_botAbout && !_botAbout->info->text.isEmpty() && _botAbout->height > 0) {
dragState = _botAbout->info->text.getState(point.x() - _botAbout->rect.left() - st::msgPadding.left(), point.y() - _botAbout->rect.top() - st::msgPadding.top() - st::botDescSkip - st::msgNameFont->height, _botAbout->width);
lnkhost = _botAbout.get();
@ -2143,12 +2138,12 @@ int HistoryInner::historyScrollTop() const {
}
int HistoryInner::migratedTop() const {
return (_migrated && !_migrated->isEmpty()) ? _historyOffset : -1;
return (_migrated && !_migrated->isEmpty()) ? _historyPaddingTop : -1;
}
int HistoryInner::historyTop() const {
int mig = migratedTop();
return (_history && !_history->isEmpty()) ? (mig >= 0 ? (mig + _migrated->height - _historySkipHeight) : _historyOffset) : -1;
return (_history && !_history->isEmpty()) ? (mig >= 0 ? (mig + _migrated->height - _historySkipHeight) : _historyPaddingTop) : -1;
}
int HistoryInner::historyDrawTop() const {
@ -7263,7 +7258,6 @@ int HistoryWidget::unreadBarTop() const {
}
void HistoryWidget::addMessagesToFront(PeerData *peer, const QVector<MTPMessage> &messages) {
int oldH = _list->historyHeight();
_list->messagesReceived(peer, messages);
if (!_firstLoadRequest) {
updateListSize();

2
Telegram/SourceFiles/historywidget.h
View File

@ -168,7 +168,7 @@ private:
PeerData *_peer = nullptr;
History *_migrated = nullptr;
History *_history = nullptr;
int _historyOffset = 0;
int _historyPaddingTop = 0;
// with migrated history we perhaps do not need to display first _history message
// (if last _migrated message and first _history message are both isGroupMigrate)