qt: Do not extend recent transaction width to address/label string

Github-Pull: bitcoin-core/gui#365
Rebased-From: 9ea1da6

Author: hebasto

src/qt/overviewpage.cpp

@@ -71,14 +71,12 @@ class TxViewDelegate : public QAbstractItemDelegate
         painter->setPen(foreground);
         QRect boundingRect;
         painter->drawText(addressRect, Qt::AlignLeft | Qt::AlignVCenter, address, &boundingRect);
-        int address_rect_min_width = boundingRect.width();
 
         if (index.data(TransactionTableModel::WatchonlyRole).toBool())
         {
             QIcon iconWatchonly = qvariant_cast<QIcon>(index.data(TransactionTableModel::WatchonlyDecorationRole));
             QRect watchonlyRect(boundingRect.right() + 5, mainRect.top()+ypad+halfheight, 16, halfheight);
             iconWatchonly.paint(painter, watchonlyRect);
-            address_rect_min_width += 5 + watchonlyRect.width();
         }
 
         if(amount < 0)
@@ -107,7 +105,8 @@ class TxViewDelegate : public QAbstractItemDelegate
         QRect date_bounding_rect;
         painter->drawText(amountRect, Qt::AlignLeft | Qt::AlignVCenter, GUIUtil::dateTimeStr(date), &date_bounding_rect);
 
-        const int minimum_width = std::max(address_rect_min_width, amount_bounding_rect.width() + date_bounding_rect.width());
+        // 0.4*date_bounding_rect.width() is used to visually distinguish a date from an amount.
+        const int minimum_width = 1.4 * date_bounding_rect.width() + amount_bounding_rect.width();
         const auto search = m_minimum_width.find(index.row());
         if (search == m_minimum_width.end() || search->second != minimum_width) {
             m_minimum_width[index.row()] = minimum_width;