[qt] navigate to transaction history page after send

The transaction will be selected. When sending to multiple
destinations, all will be selected (thanks @promag).

src/qt/transactionview.cpp

@@ -263,8 +263,7 @@ void TransactionView::setModel(WalletModel *_model)
 
 void TransactionView::chooseDate(int idx)
 {
-    if(!transactionProxyModel)
-        return;
+    if (!transactionProxyModel) return;
     QDate current = QDate::currentDate();
     dateRangeWidget->setVisible(false);
     switch(dateWidget->itemData(idx).toInt())
@@ -592,6 +591,32 @@ void TransactionView::focusTransaction(const QModelIndex &idx)
     transactionView->setFocus();
 }
 
+void TransactionView::focusTransaction(const uint256& txid)
+{
+    if (!transactionProxyModel)
+        return;
+
+    const QModelIndexList results = this->model->getTransactionTableModel()->match(
+        this->model->getTransactionTableModel()->index(0,0),
+        TransactionTableModel::TxHashRole,
+        QString::fromStdString(txid.ToString()), -1);
+
+    transactionView->setFocus();
+    transactionView->selectionModel()->clearSelection();
+    for (const QModelIndex& index : results) {
+        const QModelIndex targetIndex = transactionProxyModel->mapFromSource(index);
+        transactionView->selectionModel()->select(
+            targetIndex,
+            QItemSelectionModel::Rows | QItemSelectionModel::Select);
+        // Called once per destination to ensure all results are in view, unless
+        // transactions are not ordered by (ascending or descending) date.
+        transactionView->scrollTo(targetIndex);
+        // scrollTo() does not scroll far enough the first time when transactions
+        // are ordered by ascending date.
+        if (index == results[0]) transactionView->scrollTo(targetIndex);
+    }
+}
+
 // We override the virtual resizeEvent of the QWidget to adjust tables column
 // sizes as the tables width is proportional to the dialogs width.
 void TransactionView::resizeEvent(QResizeEvent* event)