qt: Add peertablesortproxy module

Author: hebasto

build_msvc/libbitcoin_qt/libbitcoin_qt.vcxproj

@@ -34,6 +34,7 @@
     <ClCompile Include="..\..\src\qt\overviewpage.cpp" />
     <ClCompile Include="..\..\src\qt\paymentserver.cpp" />
     <ClCompile Include="..\..\src\qt\peertablemodel.cpp" />
+    <ClCompile Include="..\..\src\qt\peertablesortproxy.cpp" />
     <ClCompile Include="..\..\src\qt\platformstyle.cpp" />
     <ClCompile Include="..\..\src\qt\psbtoperationsdialog.cpp" />
     <ClCompile Include="..\..\src\qt\qrimagewidget.cpp" />
@@ -87,6 +88,7 @@
     <ClCompile Include="$(GeneratedFilesOutDir)\moc\moc_overviewpage.cpp" />
     <ClCompile Include="$(GeneratedFilesOutDir)\moc\moc_paymentserver.cpp" />
     <ClCompile Include="$(GeneratedFilesOutDir)\moc\moc_peertablemodel.cpp" />
+    <ClCompile Include="$(GeneratedFilesOutDir)\moc\moc_peertablesortproxy.cpp" />
     <ClCompile Include="$(GeneratedFilesOutDir)\moc\moc_platformstyle.cpp" />
     <ClCompile Include="$(GeneratedFilesOutDir)\moc\moc_psbtoperationsdialog.cpp" />
     <ClCompile Include="$(GeneratedFilesOutDir)\moc\moc_qrimagewidget.cpp" />

src/Makefile.qt.include

@@ -61,6 +61,7 @@ QT_MOC_CPP = \
   qt/moc_optionsmodel.cpp \
   qt/moc_overviewpage.cpp \
   qt/moc_peertablemodel.cpp \
+  qt/moc_peertablesortproxy.cpp \
   qt/moc_paymentserver.cpp \
   qt/moc_psbtoperationsdialog.cpp \
   qt/moc_qrimagewidget.cpp \
@@ -134,6 +135,7 @@ BITCOIN_QT_H = \
   qt/overviewpage.h \
   qt/paymentserver.h \
   qt/peertablemodel.h \
+  qt/peertablesortproxy.h \
   qt/platformstyle.h \
   qt/psbtoperationsdialog.h \
   qt/qrimagewidget.h \
@@ -232,6 +234,7 @@ BITCOIN_QT_BASE_CPP = \
   qt/optionsdialog.cpp \
   qt/optionsmodel.cpp \
   qt/peertablemodel.cpp \
+  qt/peertablesortproxy.cpp \
   qt/platformstyle.cpp \
   qt/qvalidatedlineedit.cpp \
   qt/qvaluecombobox.cpp \

src/qt/peertablesortproxy.cpp

@@ -0,0 +1,43 @@
+// Copyright (c) 2020 The Bitcoin Core developers
+// Distributed under the MIT software license, see the accompanying
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
+
+#include <qt/peertablesortproxy.h>
+
+#include <qt/peertablemodel.h>
+#include <util/check.h>
+
+#include <QModelIndex>
+#include <QString>
+#include <QVariant>
+
+PeerTableSortProxy::PeerTableSortProxy(QObject* parent)
+    : QSortFilterProxyModel(parent)
+{
+}
+
+bool PeerTableSortProxy::lessThan(const QModelIndex& left_index, const QModelIndex& right_index) const
+{
+    const CNodeStats left_stats = Assert(sourceModel()->data(left_index, PeerTableModel::StatsRole).value<CNodeCombinedStats*>())->nodeStats;
+    const CNodeStats right_stats = Assert(sourceModel()->data(right_index, PeerTableModel::StatsRole).value<CNodeCombinedStats*>())->nodeStats;
+
+    switch (static_cast<PeerTableModel::ColumnIndex>(left_index.column())) {
+    case PeerTableModel::NetNodeId:
+        return left_stats.nodeid < right_stats.nodeid;
+    case PeerTableModel::Address:
+        return left_stats.addrName.compare(right_stats.addrName) < 0;
+    case PeerTableModel::ConnectionType:
+        return left_stats.m_conn_type < right_stats.m_conn_type;
+    case PeerTableModel::Network:
+        return left_stats.m_network < right_stats.m_network;
+    case PeerTableModel::Ping:
+        return left_stats.m_min_ping_time < right_stats.m_min_ping_time;
+    case PeerTableModel::Sent:
+        return left_stats.nSendBytes < right_stats.nSendBytes;
+    case PeerTableModel::Received:
+        return left_stats.nRecvBytes < right_stats.nRecvBytes;
+    case PeerTableModel::Subversion:
+        return left_stats.cleanSubVer.compare(right_stats.cleanSubVer) < 0;
+    } // no default case, so the compiler can warn about missing cases
+    assert(false);
+}

src/qt/peertablesortproxy.h

@@ -0,0 +1,25 @@
+// Copyright (c) 2020 The Bitcoin Core developers
+// Distributed under the MIT software license, see the accompanying
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
+
+#ifndef BITCOIN_QT_PEERTABLESORTPROXY_H
+#define BITCOIN_QT_PEERTABLESORTPROXY_H
+
+#include <QSortFilterProxyModel>
+
+QT_BEGIN_NAMESPACE
+class QModelIndex;
+QT_END_NAMESPACE
+
+class PeerTableSortProxy : public QSortFilterProxyModel
+{
+    Q_OBJECT
+
+public:
+    explicit PeerTableSortProxy(QObject* parent = nullptr);
+
+protected:
+    bool lessThan(const QModelIndex& left_index, const QModelIndex& right_index) const override;
+};
+
+#endif // BITCOIN_QT_PEERTABLESORTPROXY_H