Put the file name of the code editor into the satus bar instead of the title bar

mainwindow.cpp

@@ -1,6 +1,10 @@
 #include <eismultiplexer.h>
 #include <QMessageBox>
 #include <QMessageBox>
+#include <set>
+#include <QFileDialog>
+#include <QTextStream>
+#include <QFile>
 #include "mainwindow.h"
 #include "ui_mainwindow.h"
 #include "triggerwidget.h"
@@ -8,7 +12,9 @@
 MainWindow::MainWindow(QWidget *parent):
     QMainWindow(parent),
     ui(new Ui::MainWindow),
-    codeEditor(this)
+    codeEditor(this),
+    currentFilePath(""),
+    isFileModified(false)
 {
         ui->setupUi(this);
         enumerateDevices();
@@ -23,7 +29,22 @@ MainWindow::MainWindow(QWidget *parent):
 
         ui->codeLayout->addWidget(&codeEditor);
 
+        // Set up keyboard shortcuts
+        ui->actionOpen->setShortcut(QKeySequence::Open);
+        ui->actionSave->setShortcut(QKeySequence::Save);
+        ui->actionSave_As->setShortcut(QKeySequence::SaveAs);
+        ui->actionQuit->setShortcut(QKeySequence::Quit);
+
         connect(ui->actionQuit, &QAction::triggered, this, [this]() {close();});
+        connect(ui->actionOpen, &QAction::triggered, this, &MainWindow::onActionOpenTriggered);
+        connect(ui->actionSave, &QAction::triggered, this, &MainWindow::onActionSaveTriggered);
+        connect(ui->actionSave_As, &QAction::triggered, this, &MainWindow::onActionSaveAsTriggered);
+
+        // Connect text changed signal to track modifications
+        connect(&codeEditor, &QTextEdit::textChanged, this, [this]() {
+            isFileModified = true;
+            updateStatus();
+        });
 }
 
 MainWindow::~MainWindow()
@@ -31,6 +52,90 @@ MainWindow::~MainWindow()
         delete ui;
 }
 
+void MainWindow::updateStatus()
+{
+    if (!currentFilePath.isEmpty()) {
+        QString status = "EisMultiplexer-Qt";
+        status = QString("%1").arg(currentFilePath);
+        if (isFileModified) {
+            status += " - [Unsaved Changes]";
+        }
+        ui->statusbar->showMessage(status);
+    }
+}
+
+void MainWindow::onActionOpenTriggered()
+{
+    QString filePath = QFileDialog::getOpenFileName(this, tr("Open Python Script"),
+                                                    "",
+                                                    tr("Python Files (*.py);;All Files (*)"));
+
+    if (filePath.isEmpty()) {
+        return;
+    }
+
+    QFile file(filePath);
+    if (!file.open(QIODevice::ReadOnly | QIODevice::Text)) {
+        QMessageBox::warning(this, tr("Error"), tr("Could not open file: %1").arg(filePath));
+        return;
+    }
+
+    QTextStream in(&file);
+    QString content = in.readAll();
+    file.close();
+
+    codeEditor.setPlainText(content);
+    currentFilePath = filePath;
+    isFileModified = false;
+    updateStatus();
+}
+
+void MainWindow::onActionSaveTriggered()
+{
+    if (currentFilePath.isEmpty()) {
+        onActionSaveAsTriggered();
+        return;
+    }
+
+    QFile file(currentFilePath);
+    if (!file.open(QIODevice::WriteOnly | QIODevice::Text)) {
+        QMessageBox::warning(this, tr("Error"), tr("Could not save file: %1").arg(currentFilePath));
+        return;
+    }
+
+    QTextStream out(&file);
+    out << codeEditor.toPlainText();
+    file.close();
+
+    isFileModified = false;
+    updateStatus();
+}
+
+void MainWindow::onActionSaveAsTriggered()
+{
+    QString filePath = QFileDialog::getSaveFileName(this, tr("Save Python Script"),
+                                                    "",
+                                                    tr("Python Files (*.py);;All Files (*)"));
+
+    if (filePath.isEmpty()) {
+        return;
+    }
+
+    QFile file(filePath);
+    if (!file.open(QIODevice::WriteOnly | QIODevice::Text)) {
+        QMessageBox::warning(this, tr("Error"), tr("Could not save file: %1").arg(filePath));
+        return;
+    }
+
+    QTextStream out(&file);
+    out << codeEditor.toPlainText();
+    file.close();
+
+    currentFilePath = filePath;
+    isFileModified = false;
+    updateStatus();
+}
+
 void MainWindow::enumerateDevices()
 {
         size_t count = 0;
@@ -114,17 +219,47 @@ void MainWindow::enumerateDevices()
         ui->statusbar->showMessage("Ready");
 
         free(serials);
+        generateExample();
 }
 
 void MainWindow::generateExample()
 {
     QString example =
-        "import eismultiplexer\n\n"
+        "# This is an example script to show you how\n# to drive eismultiplexer using the python api\n"
-        "from time import sleep";
+        "import eismultiplexer as multi\n"
+        "from time import sleep\n\n"
+        "# First initalize the device(s)\n";
 
-    for (const auto& channel : channels)
+    std::set<uint16_t> serials;
+    for (size_t i = 0; i < channels.size(); ++i)
+        serials.insert(channels[i]->getDeviceSerial());
+
+    size_t i = 0;
+    for (uint16_t serial : serials)
     {
-        example.append(QString("eismultiplexer"));
+        example.append(QString("multiplexer_") + QString::number(i) + " multi.Multiplexer(serial=" + QString::number(serial) + ")\n");
-    }
+        ++i;
+    }
+
+    example.append("\nprint('\\nListing the nummber of channels per unit')\n");
+    for (size_t i = 0; i < serials.size(); ++i)
+    {
+        QString printLine = "print(f'Found unit with serial number {" + QString::number(channels[i]->getDeviceSerial()) + "} and {multiplexer_" + QString::number(i) + ".getChannelCount()} channels')\n";
+        example.append(printLine);
+    }
+
+    example.append("\nprint('Connecting the first and second channel on the first unit')\n");
+    example.append("multiplexer_0.connectChannel(multi.Channel.A)\n");
+    example.append("multiplexer_0.connectChannel(multi.Channel.B)\n\n");
+    example.append("print('Waiting for half a second for something to happen')\n");
+    example.append("sleep(0.5)\n\n");
+    example.append("print('Disconnect first channel')\n");
+    example.append("multiplexer_0.disconnectChannel(multi.Channel.A)\n\n");
+    example.append("print('Waiting up to 5000 milliseconds for a trigger')\n");
+    example.append("multiplexer_0.setTriggerState(0, multi.TriggerState.INPUT)\n");
+    example.append("multiplexer_0.waitTrigger(0, multi.TriggerState.HIGHLEVEL, 5000)\n\n");
+    example.append("print('Disconnecting all channels')\n");
+    example.append("multiplexer_0.clear()\n");
+    codeEditor.setText(example);
 }
 

mainwindow.h

@@ -34,9 +34,17 @@ public:
         explicit MainWindow(QWidget *parent = nullptr);
         ~MainWindow();
 
+private slots:
+        void onActionOpenTriggered();
+        void onActionSaveTriggered();
+        void onActionSaveAsTriggered();
+
 private:
         void enumerateDevices();
         void generateExample();
+        void updateStatus();
+        QString currentFilePath;
+        bool isFileModified;
 };
 
 #endif // MAINWINDOW_H