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ui: fixed flickering of search autocompletions popup

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This commit is contained in:
Eberhard Graether
2016-06-29 22:15:00 +02:00
parent cba0cfad65
commit b5d9d20bc9
5 changed files with 39 additions and 38 deletions
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src/lib_gui/qt/element/QtAutocompletionList.cpp
+14 -20
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@@ -120,7 +120,11 @@ void QtAutocompletionDelegate::paint(QPainter* painter, const QStyleOptionViewIt
float charWidth = option.fontMetrics.width(
"----------------------------------------------------------------------------------------------------"
) / 100.0f;
"----------------------------------------------------------------------------------------------------"
"----------------------------------------------------------------------------------------------------"
"----------------------------------------------------------------------------------------------------"
"----------------------------------------------------------------------------------------------------"
) / 500.0f;
painter->drawText(option.rect.adjusted(charWidth + 2, -1, 0, 0), Qt::AlignLeft, name);
QString highlightName(name.size(), ' ');
@@ -173,11 +177,11 @@ void QtAutocompletionDelegate::paint(QPainter* painter, const QStyleOptionViewIt
painter->restore();
}
QSize QtAutocompletionDelegate::sizeHint ( const QStyleOptionViewItem & option, const QModelIndex & index ) const
QSize QtAutocompletionDelegate::sizeHint(const QStyleOptionViewItem& option, const QModelIndex& index) const
{
QString name = index.data().toString();
QString type = index.sibling(index.row(), index.column() + 1).data().toString();
return QSize( option.fontMetrics.width(name+type)+5, option.fontMetrics.height());
return QSize(option.fontMetrics.width(name + type) + 5, option.fontMetrics.height());
}
QtAutocompletionList::QtAutocompletionList(QWidget* parent)
@@ -196,44 +200,34 @@ QtAutocompletionList::QtAutocompletionList(QWidget* parent)
setPopup(list);
setCaseSensitivity(Qt::CaseInsensitive);
// setCompletionMode(QCompleter::UnfilteredPopupCompletion);
setCompletionMode(QCompleter::UnfilteredPopupCompletion);
setModelSorting(QCompleter::UnsortedModel);
setCompletionPrefix("");
setMaxVisibleItems(20);
}
QtAutocompletionList::~QtAutocompletionList()
{
}
void QtAutocompletionList::completeAt(const QPoint& pos, const std::vector<SearchMatch>& autocompletionList)
{
m_model->setMatchList(autocompletionList);
QSize minSize(400, 253);
QListView* list = dynamic_cast<QListView*>(popup());
if (!autocompletionList.size())
{
list->hide();
return;
}
setCompletionPrefix("");
const QModelIndex& index = completionModel()->index(0, 0);
list->setCurrentIndex(index);
QRect rect = list->visualRect(index);
minSize.setHeight(std::min(minSize.height(), m_model->rowCount(index) * rect.height() + 16));
list->setMinimumSize(minSize);
list->verticalScrollBar()->setValue(list->verticalScrollBar()->minimum());
disconnect(); // must be done because of a bug where signals are no longer received by QtSmartSearchBox
connect(this, SIGNAL(highlighted(const QModelIndex&)), this, SLOT(onHighlighted(const QModelIndex&)), Qt::DirectConnection);
connect(this, SIGNAL(activated(const QModelIndex&)), this, SLOT(onActivated(const QModelIndex&)), Qt::DirectConnection);
QWidget* textBox = dynamic_cast<QWidget*>(parent());
complete(QRect(pos.x(), pos.y(), textBox->width(), 1));
complete(QRect(pos.x(), pos.y(), std::max(dynamic_cast<QWidget*>(parent())->width(), 400), 1));
list->setCurrentIndex(completionModel()->index(0, 0));
}
const SearchMatch* QtAutocompletionList::getSearchMatchAt(int idx) const