COS3711
Assignment 2 2025
Unique #:
Due Date: 18 July 2025
Detailed solutions, explanations, workings
and references.
+27 81 278 3372
, Project Structure Overview
You’ll need two separate folders/projects:
COS3711_Assignment2/
│
├── store_app/ <- Project 1: Store application
│ ├── CMakeLists.txt
│ ├── main.cpp
│ ├── MainWindow.h/.cpp
│ ├── Customer.h/.cpp
│ ├── Item.h/.cpp
│ ├── Transaction.h/.cpp
│ └── ...
│
├── udp_receiver/ <- Project 2: UDP listener app
│ ├── CMakeLists.txt
│ ├── main.cpp
│ ├── MainWindow.h/.cpp
│ └── ...
1. Starter Code – store_app
✅CMakeLists.txt
cmake
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cmake_minimum_required(VERSION 3.5)
project(store_app)
set(CMAKE_CXX_STANDARD 17)
find_package(Qt5 COMPONENTS Core Widgets Network REQUIRED)
add_executable(store_app
main.cpp
MainWindow.cpp MainWindow.h
Customer.cpp Customer.h
Item.cpp Item.h
Transaction.cpp Transaction.h
)
target_link_libraries(store_app Qt5::Core Qt5::Widgets Qt5::Network)
✅main.cpp
cpp
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#include <QApplication>
#include "MainWindow.h"
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, int main(int argc, char *argv[]) {
QApplication app(argc, argv);
MainWindow w;
w.show();
return app.exec();
}
✅MainWindow.h
cpp
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#ifndef MAINWINDOW_H
#define MAINWINDOW_H
#include <QMainWindow>
#include <QTreeView>
#include <QStandardItemModel>
#include <QUdpSocket>
#include <QPushButton>
class MainWindow : public QMainWindow {
Q_OBJECT
public:
MainWindow(QWidget *parent = nullptr);
~MainWindow();
private slots:
void onBroadcastClicked();
private:
QStandardItemModel *transactionModel;
QPushButton *broadcastButton;
void setupUI();
void populateDummyData();
};
#endif // MAINWINDOW_H
✅MainWindow.cpp
cpp
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#include "MainWindow.h"
#include <QVBoxLayout>
#include <QTreeView>
#include <QXmlStreamWriter>
#include <QByteArray>
#include <QThread>
#include <QUdpSocket>
#include <QPushButton>
MainWindow::MainWindow(QWidget *parent)
: QMainWindow(parent),
transactionModel(new QStandardItemModel(this))
{
Varsity Cube 2025 +27 81 278 3372
Assignment 2 2025
Unique #:
Due Date: 18 July 2025
Detailed solutions, explanations, workings
and references.
+27 81 278 3372
, Project Structure Overview
You’ll need two separate folders/projects:
COS3711_Assignment2/
│
├── store_app/ <- Project 1: Store application
│ ├── CMakeLists.txt
│ ├── main.cpp
│ ├── MainWindow.h/.cpp
│ ├── Customer.h/.cpp
│ ├── Item.h/.cpp
│ ├── Transaction.h/.cpp
│ └── ...
│
├── udp_receiver/ <- Project 2: UDP listener app
│ ├── CMakeLists.txt
│ ├── main.cpp
│ ├── MainWindow.h/.cpp
│ └── ...
1. Starter Code – store_app
✅CMakeLists.txt
cmake
CopyEdit
cmake_minimum_required(VERSION 3.5)
project(store_app)
set(CMAKE_CXX_STANDARD 17)
find_package(Qt5 COMPONENTS Core Widgets Network REQUIRED)
add_executable(store_app
main.cpp
MainWindow.cpp MainWindow.h
Customer.cpp Customer.h
Item.cpp Item.h
Transaction.cpp Transaction.h
)
target_link_libraries(store_app Qt5::Core Qt5::Widgets Qt5::Network)
✅main.cpp
cpp
CopyEdit
#include <QApplication>
#include "MainWindow.h"
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, int main(int argc, char *argv[]) {
QApplication app(argc, argv);
MainWindow w;
w.show();
return app.exec();
}
✅MainWindow.h
cpp
CopyEdit
#ifndef MAINWINDOW_H
#define MAINWINDOW_H
#include <QMainWindow>
#include <QTreeView>
#include <QStandardItemModel>
#include <QUdpSocket>
#include <QPushButton>
class MainWindow : public QMainWindow {
Q_OBJECT
public:
MainWindow(QWidget *parent = nullptr);
~MainWindow();
private slots:
void onBroadcastClicked();
private:
QStandardItemModel *transactionModel;
QPushButton *broadcastButton;
void setupUI();
void populateDummyData();
};
#endif // MAINWINDOW_H
✅MainWindow.cpp
cpp
CopyEdit
#include "MainWindow.h"
#include <QVBoxLayout>
#include <QTreeView>
#include <QXmlStreamWriter>
#include <QByteArray>
#include <QThread>
#include <QUdpSocket>
#include <QPushButton>
MainWindow::MainWindow(QWidget *parent)
: QMainWindow(parent),
transactionModel(new QStandardItemModel(this))
{
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