Add simple demo GUI

programs/CMakeLists.txt

@@ -2,3 +2,9 @@ add_subdirectory( cli_wallet )
 add_subdirectory( witness_node )
 add_subdirectory( js_operation_serializer )
 add_subdirectory( size_checker )
+
+
+set(BUILD_QT_GUI FALSE CACHE BOOL "Build the Qt-based light client GUI")
+if(BUILD_QT_GUI)
+   add_subdirectory(light_client)
+endif()

programs/light_client/CMakeLists.txt

@@ -0,0 +1,19 @@
+cmake_minimum_required(VERSION 2.8.11)
+
+project(light_client)
+
+# Find includes in corresponding build directories
+set(CMAKE_INCLUDE_CURRENT_DIR ON)
+# Instruct CMake to run moc automatically when needed.
+set(CMAKE_AUTOMOC ON)
+# Instruct CMake to run rcc automatically when needed.
+set(CMAKE_AUTORCC ON)
+
+find_package(Qt5Core)
+find_package(Qt5Widgets)
+find_package(Qt5Quick)
+
+file(GLOB QML qml/*)
+add_executable(light_client ClientDataModel.cpp ClientDataModel.hpp main.cpp ${QML})
+
+target_link_libraries(light_client PRIVATE Qt5::Core Qt5::Widgets Qt5::Quick graphene_chain graphene_utilities fc)

programs/light_client/ClientDataModel.cpp

@@ -0,0 +1,23 @@
+#include "ClientDataModel.hpp"
+
+
+Account* ClientDataModel::getAccount(quint64 id) const
+{
+   auto acct = new Account;
+   acct->setProperty("id", id);
+   acct->setProperty("name", "joe");
+   return acct;
+}
+
+Account*ClientDataModel::getAccount(QString name) const
+{
+   auto acct = new Account;
+   acct->setProperty("id", 800);
+   acct->setProperty("name", name);
+   return acct;
+}
+
+QQmlListProperty<Balance> Account::balances()
+{
+   return QQmlListProperty<Balance>(this, m_balances);
+}

programs/light_client/ClientDataModel.hpp

@@ -0,0 +1,54 @@
+#pragma once
+
+#include <QObject>
+#include <QQmlListProperty>
+
+class Asset : public QObject {
+   Q_OBJECT
+
+   Q_PROPERTY(QString symbol MEMBER symbol)
+   Q_PROPERTY(quint64 id MEMBER id)
+   Q_PROPERTY(quint8 precision MEMBER precision)
+
+   QString symbol;
+   quint64 id;
+   quint8 precision;
+};
+
+class Balance : public QObject {
+   Q_OBJECT
+
+   Q_PROPERTY(Asset* type MEMBER type)
+   Q_PROPERTY(qint64 amount MEMBER amount)
+   Q_PROPERTY(quint64 id MEMBER id)
+
+   Asset* type;
+   qint64 amount;
+   quint64 id;
+};
+
+class Account : public QObject {
+   Q_OBJECT
+
+   Q_PROPERTY(QString name MEMBER name)
+   Q_PROPERTY(quint64 id MEMBER id)
+   Q_PROPERTY(QQmlListProperty<Balance> balances READ balances)
+
+   QString name;
+   quint64 id;
+   QList<Balance*> m_balances;
+
+public:
+   Account(QObject* parent = nullptr)
+      : QObject(parent){}
+
+   QQmlListProperty<Balance> balances();
+};
+
+class ClientDataModel : public QObject {
+   Q_OBJECT
+
+public:
+   Q_INVOKABLE Account* getAccount(quint64 id)const;
+   Q_INVOKABLE Account* getAccount(QString name)const;
+};

programs/light_client/main.cpp

@@ -0,0 +1,21 @@
+#include <QApplication>
+#include <QQmlApplicationEngine>
+#include <QtQml>
+
+#include "ClientDataModel.hpp"
+
+int main(int argc, char *argv[])
+{
+   QApplication app(argc, argv);
+
+   qmlRegisterType<Asset>("Graphene.Client", 0, 1, "Asset");
+   qmlRegisterType<Balance>("Graphene.Client", 0, 1, "Balance");
+   qmlRegisterType<Account>("Graphene.Client", 0, 1, "Account");
+   qmlRegisterType<ClientDataModel>("Graphene.Client", 0, 1, "DataModel");
+
+   QQmlApplicationEngine engine;
+   engine.load(QUrl(QStringLiteral("qrc:/main.qml")));
+
+   return app.exec();
+}
+

programs/light_client/qml/MainForm.qml

@@ -0,0 +1,45 @@
+import QtQuick 2.5
+import QtQuick.Controls 1.4
+import QtQuick.Layouts 1.2
+
+Item {
+   id: item1
+   width: 640
+   height: 480
+
+   property alias button1: button1
+   property alias button2: button2
+
+   ColumnLayout {
+      id: columnLayout1
+      width: parent.width / 2
+      anchors.verticalCenter: parent.verticalCenter
+      anchors.horizontalCenter: parent.horizontalCenter
+
+      RowLayout {
+         id: buttonRow
+         Layout.fillWidth: true
+
+         Button {
+            id: button1
+            text: qsTr("Press Me 1")
+         }
+         Item { Layout.fillWidth: true }
+         Button {
+            id: button2
+            text: qsTr("Press Me 2")
+         }
+      }
+
+      Slider {
+         id: slider
+         Layout.fillWidth: true
+      }
+      ProgressBar {
+         id: progressBar1
+         value: Math.sin(Math.PI * slider.value)
+         Layout.fillWidth: true
+      }
+   }
+}
+

programs/light_client/qml/main.qml

@@ -0,0 +1,51 @@
+import QtQuick 2.5
+import QtQuick.Controls 1.4
+import QtQuick.Dialogs 1.2
+
+import Graphene.Client 0.1
+
+ApplicationWindow {
+   visible: true
+   width: 640
+   height: 480
+   title: qsTr("Hello World")
+
+   menuBar: MenuBar {
+      Menu {
+         title: qsTr("File")
+         MenuItem {
+            text: qsTr("&Open")
+            onTriggered: console.log("Open action triggered");
+         }
+         MenuItem {
+            text: qsTr("Exit")
+            onTriggered: Qt.quit();
+         }
+      }
+   }
+
+   DataModel {
+      id: model
+      objectName: "model"
+   }
+
+   MainForm {
+      id: form
+      anchors.fill: parent
+      button1.onClicked: {
+         console.log(JSON.stringify(model.getAccount(3)))
+         messageDialog.show(qsTr("Account name is %1").arg(model.getAccount(3).name))
+      }
+      button2.onClicked: messageDialog.show(qsTr("Account name is %1").arg(model.getAccount("steve").name))
+   }
+
+   MessageDialog {
+      id: messageDialog
+      title: qsTr("May I have your attention, please?")
+
+      function show(caption) {
+         messageDialog.text = caption;
+         messageDialog.open();
+      }
+   }
+}

programs/light_client/qml/qml.qrc

@@ -0,0 +1,7 @@
+<RCC>
+    <qresource prefix="/">
+        <file>main.qml</file>
+        <file>MainForm.qml</file>
+    </qresource>
+</RCC>
+