Merge bitcoin/bitcoin#22427: [0.21] gui: Backports for 0.21.2

e3f1da4bf3db120cc691a844d612fbc522f11fb9 qt: Draw "eye" sign at the beginning of watch-only addresses (Hennadii Stepanov)
6ca54ce2ae0808513172c4945e38165e766e1381 qt: Do not extend recent transaction width to address/label string (Hennadii Stepanov)
f220368220abb11040fa944a853cda3d4f1fe84d qt: Do not use QClipboard::Selection on Windows and macOS. (Hennadii Stepanov)

Pull request description:

  Backports bitcoin-core/gui#277, bitcoin-core/gui#365.

ACKs for top commit:
  fanquake:
    ACK e3f1da4bf3db120cc691a844d612fbc522f11fb9
  jarolrod:
    ACK e3f1da4bf3db120cc691a844d612fbc522f11fb9

Tree-SHA512: 43cc2ac48f4e5014bfdbe86cc904bb36d2be9fcd257f0fc0800c384bd727bb98466723e450a8909b06708784ad91184be599c49cf60de2e4377202774cb878f6

Author: fanquake

src/qt/guiutil.cpp

@@ -734,8 +734,11 @@ bool SetStartOnSystemStartup(bool fAutoStart) { return false; }
 
 void setClipboard(const QString& str)
 {
-    QApplication::clipboard()->setText(str, QClipboard::Clipboard);
-    QApplication::clipboard()->setText(str, QClipboard::Selection);
+    QClipboard* clipboard = QApplication::clipboard();
+    clipboard->setText(str, QClipboard::Clipboard);
+    if (clipboard->supportsSelection()) {
+        clipboard->setText(str, QClipboard::Selection);
+    }
 }
 
 fs::path qstringToBoostPath(const QString &path)

src/qt/overviewpage.cpp

@@ -68,19 +68,17 @@ 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.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;
@@ -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;