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small fixes for the scrollbar

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This commit is contained in:
fourtf 2017-12-18 22:13:46 +01:00
parent f8cf983b7c
commit e46357ad9b
3 changed files with 22 additions and 13 deletions
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12
src/widgets/helper/channelview.cpp
View file

@ -341,11 +341,11 @@ void ChannelView::setChannel(std::shared_ptr<Channel> channel)
auto messageRef = new MessageRef(message);
if (this->messages.appendItem(SharedMessageRef(messageRef), deleted)) {
// qreal value = std::max(0.0, this->getScrollBar().getDesiredValue()
// - 1);
// this->getScrollBar().setDesiredValue(value, false);
this->getScrollBar().offset(-1);
if (this->scrollBar.isAtBottom()) {
this->scrollBar.scrollToBottom();
} else {
this->scrollBar.offset(-1);
}
}
layoutMessages();
@ -417,7 +417,7 @@ void ChannelView::paintEvent(QPaintEvent * /*event*/)
// BENCH(timer);
QPainter painter(this);
// painter.setRenderHint(QPainter::SmoothPixmapTransform);
painter.setRenderHint(QPainter::SmoothPixmapTransform);
// only update gif emotes
#ifndef Q_OS_MAC

21
src/widgets/scrollbar.cpp
View file

@ -83,7 +83,7 @@ void ScrollBar::scrollToBottom()
bool ScrollBar::isAtBottom() const
{
return ((this->getMaximum() - this->getLargeChange()) - this->getCurrentValue()) <= 1;
return this->atBottom;
}
void ScrollBar::setMaximum(qreal value)
@ -119,23 +119,30 @@ void ScrollBar::setDesiredValue(qreal value, bool animated)
animated &= this->smoothScrollingSetting.getValue();
value = std::max(_minimum, std::min(_maximum - _largeChange, value));
if (_desiredValue != value) {
if (_desiredValue + _smoothScrollingOffset != value) {
if (animated) {
_currentValueAnimation.stop();
_currentValueAnimation.setStartValue(_currentValue + this->_smoothScrollingOffset);
_currentValueAnimation.setStartValue(_currentValue + _smoothScrollingOffset);
// if (((this->getMaximum() - this->getLargeChange()) - value) <= 0.01) {
// value += 1;
// }
_currentValueAnimation.setEndValue(value);
_smoothScrollingOffset = 0;
_currentValueAnimation.start();
} else {
if (_currentValueAnimation.state() != QPropertyAnimation::Running) {
// currentValueAnimation.stop();
_smoothScrollingOffset = 0;
_desiredValue = value;
_currentValueAnimation.stop();
setCurrentValue(value);
}
}
}
this->_smoothScrollingOffset = 0;
this->atBottom = ((this->getMaximum() - this->getLargeChange()) - value) <= 0.01;
_smoothScrollingOffset = 0;
_desiredValue = value;
}
@ -161,7 +168,7 @@ qreal ScrollBar::getSmallChange() const
qreal ScrollBar::getDesiredValue() const
{
return _desiredValue;
return _desiredValue + _smoothScrollingOffset;
}
qreal ScrollBar::getCurrentValue() const

2
src/widgets/scrollbar.hpp
View file

@ -67,6 +67,8 @@ private:
void mouseReleaseEvent(QMouseEvent *event);
void leaveEvent(QEvent *);
bool atBottom = false;
int _mouseOverIndex = -1;
int _mouseDownIndex = -1;
QPoint _lastMousePosition;