Improve TransferListDelegate::sizeHint

This commit is contained in:
Chocobo1 2016-04-04 17:58:21 +08:00
parent 93d8cadaaf
commit 4eadda5c9a
2 changed files with 10 additions and 13 deletions

View file

@ -215,17 +215,19 @@ QWidget* TransferListDelegate::createEditor(QWidget*, const QStyleOptionViewItem
QSize TransferListDelegate::sizeHint(const QStyleOptionViewItem & option, const QModelIndex & index) const
{
static int iconHeight = -1;
if (iconHeight == -1) {
QIcon icon(":/icons/skin/downloading.png");
QList<QSize> icSizes(icon.availableSizes());
iconHeight = icSizes[0].height();
// Reimplementing sizeHint() because the 'name' column contains text+icon.
// When that WHOLE column goes out of view(eg user scrolls horizontally)
// the rows shrink if the text's height is smaller than the icon's height.
// This happens because icon from the 'name' column is no longer drawn.
static int nameColHeight = -1;
if (nameColHeight == -1) {
QModelIndex nameColumn = index.sibling(index.row(), TorrentModel::TR_NAME);
nameColHeight = QItemDelegate::sizeHint(option, nameColumn).height();
}
QSize size = QItemDelegate::sizeHint(option, index);
if (size.height() < iconHeight)
size.setHeight(iconHeight);
size.setHeight(std::max(nameColHeight, size.height()));
return size;
}

View file

@ -49,11 +49,6 @@ public:
TransferListDelegate(QObject *parent);
void paint(QPainter * painter, const QStyleOptionViewItem & option, const QModelIndex & index) const;
QWidget* createEditor(QWidget*, const QStyleOptionViewItem &, const QModelIndex &) const;
// Reimplementing sizeHint() because the 'name' column contains text+icon.
// When that WHOLE column goes out of view(eg user scrolls horizontally)
// the rows shrink if the text's height is smaller than the icon's height.
// This happens because icon from the 'name' column is no longer drawn.
QSize sizeHint(const QStyleOptionViewItem & option, const QModelIndex & index) const;
private: