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Merge pull request #273 from apprb/master

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autoscroll fix
This commit is contained in:
Tux3 / Mlkj / !Lev.uXFMLA 2014-09-10 20:32:27 +02:00
commit beb93c192e
2 changed files with 20 additions and 1 deletions
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16
widget/chatareawidget.cpp
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@ -34,6 +34,7 @@ ChatAreaWidget::ChatAreaWidget(QWidget *parent) :
setAcceptRichText(false); setAcceptRichText(false);
connect(this, &ChatAreaWidget::anchorClicked, this, &ChatAreaWidget::onAnchorClicked); connect(this, &ChatAreaWidget::anchorClicked, this, &ChatAreaWidget::onAnchorClicked);
connect(verticalScrollBar(), SIGNAL(rangeChanged(int,int)), this, SLOT(onSliderRangeChanged()));
} }
ChatAreaWidget::~ChatAreaWidget() ChatAreaWidget::~ChatAreaWidget()
@ -84,6 +85,8 @@ void ChatAreaWidget::insertMessage(ChatAction *msgAction)
if (msgAction == nullptr) if (msgAction == nullptr)
return; return;
checkSlider();
moveCursor(QTextCursor::End); moveCursor(QTextCursor::End);
moveCursor(QTextCursor::PreviousCell); moveCursor(QTextCursor::PreviousCell);
QTextCursor cur = textCursor(); QTextCursor cur = textCursor();
@ -94,3 +97,16 @@ void ChatAreaWidget::insertMessage(ChatAction *msgAction)
messages.append(msgAction); messages.append(msgAction);
} }
void ChatAreaWidget::onSliderRangeChanged()
{
QScrollBar* scroll = verticalScrollBar();
if (lockSliderToBottom)
scroll->setValue(scroll->maximum());
}
void ChatAreaWidget::checkSlider()
{
QScrollBar* scroll = verticalScrollBar();
lockSliderToBottom = scroll && scroll->value() == scroll->maximum();
}

5
widget/chatareawidget.h
View File

@ -36,10 +36,13 @@ signals:
protected: protected:
void mouseReleaseEvent(QMouseEvent * event); void mouseReleaseEvent(QMouseEvent * event);
public slots: private slots:
void onAnchorClicked(const QUrl& url); void onAnchorClicked(const QUrl& url);
void onSliderRangeChanged();
private: private:
void checkSlider();
QList<ChatAction*> messages; QList<ChatAction*> messages;
bool lockSliderToBottom; bool lockSliderToBottom;
int sliderPosition; int sliderPosition;