From 76277cc77dea39b53e09ee1c440cd37270826201 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jo=C3=A3o=20Barbosa?= <joao.paulo.barbosa@gmail.com>
Date: Sat, 27 Jun 2020 11:41:17 +0100
Subject: qt: Hide peer detail view if multiple are selected

---
 src/qt/rpcconsole.cpp | 39 ++++++++++++++-------------------------
 src/qt/rpcconsole.h   |  6 ++----
 2 files changed, 16 insertions(+), 29 deletions(-)

(limited to 'src/qt')

diff --git a/src/qt/rpcconsole.cpp b/src/qt/rpcconsole.cpp
index dafd517ca8..260eb7416d 100644
--- a/src/qt/rpcconsole.cpp
+++ b/src/qt/rpcconsole.cpp
@@ -492,9 +492,7 @@ RPCConsole::RPCConsole(interfaces::Node& node, const PlatformStyle *_platformSty
     m_node.rpcSetTimerInterfaceIfUnset(rpcTimerInterface);
 
     setTrafficGraphRange(INITIAL_TRAFFIC_GRAPH_MINS);
-
-    ui->detailWidget->hide();
-    ui->peerHeading->setText(tr("Select a peer to view detailed information."));
+    updateDetailWidget();
 
     consoleFontSize = settings.value(fontSizeSettingsKey, QFont().pointSize()).toInt();
     clear();
@@ -625,7 +623,7 @@ void RPCConsole::setClientModel(ClientModel *model)
         connect(disconnectAction, &QAction::triggered, this, &RPCConsole::disconnectSelectedNode);
 
         // peer table signal handling - update peer details when selecting new node
-        connect(ui->peerWidget->selectionModel(), &QItemSelectionModel::selectionChanged, this, &RPCConsole::peerSelected);
+        connect(ui->peerWidget->selectionModel(), &QItemSelectionModel::selectionChanged, this, &RPCConsole::updateDetailWidget);
         // peer table signal handling - update peer details when new nodes are added to the model
         connect(model->getPeerTableModel(), &PeerTableModel::layoutChanged, this, &RPCConsole::peerLayoutChanged);
         // peer table signal handling - cache selected node ids
@@ -1017,18 +1015,6 @@ void RPCConsole::updateTrafficStats(quint64 totalBytesIn, quint64 totalBytesOut)
     ui->lblBytesOut->setText(GUIUtil::formatBytes(totalBytesOut));
 }
 
-void RPCConsole::peerSelected(const QItemSelection &selected, const QItemSelection &deselected)
-{
-    Q_UNUSED(deselected);
-
-    if (!clientModel || !clientModel->getPeerTableModel() || selected.indexes().isEmpty())
-        return;
-
-    const CNodeCombinedStats *stats = clientModel->getPeerTableModel()->getNodeStats(selected.indexes().first().row());
-    if (stats)
-        updateNodeDetail(stats);
-}
-
 void RPCConsole::peerLayoutAboutToChange()
 {
     QModelIndexList selected = ui->peerWidget->selectionModel()->selectedIndexes();
@@ -1045,7 +1031,6 @@ void RPCConsole::peerLayoutChanged()
     if (!clientModel || !clientModel->getPeerTableModel())
         return;
 
-    const CNodeCombinedStats *stats = nullptr;
     bool fUnselect = false;
     bool fReselect = false;
 
@@ -1076,9 +1061,6 @@ void RPCConsole::peerLayoutChanged()
             fUnselect = true;
             fReselect = true;
         }
-
-        // get fresh stats on the detail node.
-        stats = clientModel->getPeerTableModel()->getNodeStats(detailNodeRow);
     }
 
     if (fUnselect && selectedRow >= 0) {
@@ -1093,12 +1075,20 @@ void RPCConsole::peerLayoutChanged()
         }
     }
 
-    if (stats)
-        updateNodeDetail(stats);
+    updateDetailWidget();
 }
 
-void RPCConsole::updateNodeDetail(const CNodeCombinedStats *stats)
+void RPCConsole::updateDetailWidget()
 {
+    QModelIndexList selected_rows;
+    auto selection_model = ui->peerWidget->selectionModel();
+    if (selection_model) selected_rows = selection_model->selectedRows();
+    if (!clientModel || !clientModel->getPeerTableModel() || selected_rows.size() != 1) {
+        ui->detailWidget->hide();
+        ui->peerHeading->setText(tr("Select a peer to view detailed information."));
+        return;
+    }
+    const CNodeCombinedStats *stats = clientModel->getPeerTableModel()->getNodeStats(selected_rows.first().row());
     // update the detail ui with latest node information
     QString peerAddrDetails(QString::fromStdString(stats->nodeStats.addrName) + " ");
     peerAddrDetails += tr("(node id: %1)").arg(QString::number(stats->nodeStats.nodeid));
@@ -1251,8 +1241,7 @@ void RPCConsole::clearSelectedNode()
 {
     ui->peerWidget->selectionModel()->clearSelection();
     cachedNodeids.clear();
-    ui->detailWidget->hide();
-    ui->peerHeading->setText(tr("Select a peer to view detailed information."));
+    updateDetailWidget();
 }
 
 void RPCConsole::showOrHideBanTableIfRequired()
diff --git a/src/qt/rpcconsole.h b/src/qt/rpcconsole.h
index de8e37cca2..063451239a 100644
--- a/src/qt/rpcconsole.h
+++ b/src/qt/rpcconsole.h
@@ -94,6 +94,8 @@ private Q_SLOTS:
     void showOrHideBanTableIfRequired();
     /** clear the selected node */
     void clearSelectedNode();
+    /** show detailed information on ui about selected node */
+    void updateDetailWidget();
 
 public Q_SLOTS:
     void clear(bool clearHistory = true);
@@ -115,8 +117,6 @@ public Q_SLOTS:
     void browseHistory(int offset);
     /** Scroll console view to end */
     void scrollToEnd();
-    /** Handle selection of peer in peers list */
-    void peerSelected(const QItemSelection &selected, const QItemSelection &deselected);
     /** Handle selection caching before update */
     void peerLayoutAboutToChange();
     /** Handle updated peer information */
@@ -137,8 +137,6 @@ Q_SIGNALS:
 private:
     void startExecutor();
     void setTrafficGraphRange(int mins);
-    /** show detailed information on ui about selected node */
-    void updateNodeDetail(const CNodeCombinedStats *stats);
 
     enum ColumnWidths
     {
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