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cleanup

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This commit is contained in:
krepa098 2015-01-03 21:19:52 +01:00
parent b3507152eb
commit f630583e59
1 changed files with 6 additions and 13 deletions
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19
src/chatlog/chatlog.cpp
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@ -48,7 +48,7 @@ ChatLog::ChatLog(QWidget* parent)
setAlignment(Qt::AlignTop | Qt::AlignLeft);
setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
setDragMode(QGraphicsView::NoDrag);
setViewportUpdateMode(SmartViewportUpdate);
setViewportUpdateMode(BoundingRectViewportUpdate);
//setRenderHint(QPainter::TextAntialiasing);
setAcceptDrops(false);
@ -522,6 +522,9 @@ void ChatLog::copySelectedText() const
void ChatLog::checkVisibility()
{
if(lines.empty())
return;
// find first visible row
QList<ChatLine*>::const_iterator upperBound;
upperBound = std::upper_bound(lines.cbegin(), lines.cend(), getVisibleRect().top(), [](const qreal lhs, const ChatLine* rhs)
@ -529,26 +532,16 @@ void ChatLog::checkVisibility()
return lhs < rhs->boundingSceneRect().bottom();
});
if(upperBound == lines.end())
{
//no lines visible
for(ChatLine* line : visibleLines)
line->visibilityChanged(false);
visibleLines.clear();
return;
}
// find last visible row
QList<ChatLine*>::const_iterator lowerBound;
lowerBound = std::lower_bound(lines.cbegin(), lines.cend(), getVisibleRect().bottom(), [](const ChatLine* lhs, const qreal rhs)
{
return lhs->boundingSceneRect().bottom() < rhs;
return lhs->boundingSceneRect().top() < rhs;
});
// set visibilty
QList<ChatLine*> newVisibleLines;
for(auto itr = upperBound; itr <= lowerBound && itr != lines.cend(); ++itr)
for(auto itr = upperBound; itr != lowerBound; ++itr)
{
newVisibleLines.append(*itr);