Merge bitcoin-core/gui#365: Draw "eye" sign at the beginning of watch-only addresses

cd46c11 qt: Draw "eye" sign at the beginning of watch-only addresses (Hennadii Stepanov)
9ea1da6 qt: Do not extend recent transaction width to address/label string (Hennadii Stepanov)

Pull request description:

  This PR guaranties that the "eye" sign won't be hidden for very long addresses/labels.

  No longer need to extend `TransactionOverviewWidget` widget width to make "eye" signs shown:

  ![Screenshot from 2021-06-15 00-21-05](https://user-images.githubusercontent.com/32963518/121961807-9123b600-cd70-11eb-8cdd-8b2b0d1bf44f.png)

  Fixes bitcoin-core/gui#373

ACKs for top commit:
  jarolrod:
    ACK cd46c11

Tree-SHA512: 0602b5bb65d53c5b18e86260750006bba03adbae181917b5a2b7f89b17290bd1f57b4f80adaba32f42cc6fb468598a888b12c0b6b09005d2f2c07bd4d1ad334a

Author: hebasto

src/qt/overviewpage.cpp

@@ -69,20 +69,18 @@ class TxViewDelegate : public QAbstractItemDelegate
             foreground = brush.color();
         }
 
-        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())
-        {
+        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);
+            QRect watchonlyRect(addressRect.left(), addressRect.top(), 16, addressRect.height());
             iconWatchonly = platformStyle->TextColorIcon(iconWatchonly);
             iconWatchonly.paint(painter, watchonlyRect);
-            address_rect_min_width += 5 + watchonlyRect.width();
+            addressRect.setLeft(addressRect.left() + watchonlyRect.width() + 5);
         }
 
+        painter->setPen(foreground);
+        QRect boundingRect;
+        painter->drawText(addressRect, Qt::AlignLeft | Qt::AlignVCenter, address, &boundingRect);
+
         if(amount < 0)
         {
             foreground = COLOR_NEGATIVE;
@@ -109,7 +107,8 @@ 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;