qml, build: Add OptionsQmlModel class with basic implementation

Author: hebasto

src/Makefile.qt.include

@@ -37,6 +37,7 @@ QT_FORMS_UI = \
 QT_MOC_CPP = \
   qml/moc_appmode.cpp \
   qml/moc_nodemodel.cpp \
+  qml/moc_options_model.cpp \
   qt/moc_addressbookpage.cpp \
   qt/moc_addresstablemodel.cpp \
   qt/moc_askpassphrasedialog.cpp \
@@ -112,6 +113,7 @@ BITCOIN_QT_H = \
   qml/bitcoin.h \
   qml/imageprovider.h \
   qml/nodemodel.h \
+  qml/options_model.h \
   qml/util.h \
   qt/addressbookpage.h \
   qt/addresstablemodel.h \
@@ -291,6 +293,7 @@ BITCOIN_QML_BASE_CPP = \
   qml/bitcoin.cpp \
   qml/imageprovider.cpp \
   qml/nodemodel.cpp \
+  qml/options_model.cpp \
   qml/util.cpp
 
 QML_RES_FONTS = \

src/qml/bitcoin.cpp

@@ -14,6 +14,7 @@
 #include <qml/appmode.h>
 #include <qml/imageprovider.h>
 #include <qml/nodemodel.h>
+#include <qml/options_model.h>
 #include <qml/util.h>
 #include <qt/guiconstants.h>
 #include <qt/guiutil.h>
@@ -185,6 +186,9 @@ int QmlGuiMain(int argc, char* argv[])
 
     engine.rootContext()->setContextProperty("nodeModel", &node_model);
 
+    OptionsQmlModel options_model{*node};
+    engine.rootContext()->setContextProperty("optionsModel", &options_model);
+
 #ifdef __ANDROID__
     AppMode app_mode(AppMode::MOBILE);
 #else

src/qml/options_model.cpp

@@ -0,0 +1,12 @@
+// Copyright (c) 2022 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 <qml/options_model.h>
+
+#include <interfaces/node.h>
+
+OptionsQmlModel::OptionsQmlModel(interfaces::Node& node)
+    : m_node{node}
+{
+}

src/qml/options_model.h

@@ -0,0 +1,26 @@
+// Copyright (c) 2022 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_QML_OPTIONS_MODEL_H
+#define BITCOIN_QML_OPTIONS_MODEL_H
+
+#include <QObject>
+
+namespace interfaces {
+class Node;
+}
+
+/** Model for Bitcoin client options. */
+class OptionsQmlModel : public QObject
+{
+    Q_OBJECT
+
+public:
+    explicit OptionsQmlModel(interfaces::Node& node);
+
+private:
+    interfaces::Node& m_node;
+};
+
+#endif // BITCOIN_QML_OPTIONS_MODEL_H