refactor

Inc/mainwindow.h

@@ -43,6 +43,7 @@ private:
     void initModbusConnection();
     void readRegisters();
     void loadConfiguration();
+    void updateStatusBar() const; // Добавлен const
 
     QTableWidget* m_table{};
     QString m_ipAddress;
@@ -69,7 +70,6 @@ private:
     QLabel* m_statusLabel{};
     int m_requestCounter;
     int m_responseCounter;
-    void updateStatusBar();
 };
 
 #endif // MAINWINDOW_H

Src/mainwindow.cpp

@@ -5,13 +5,10 @@
 #include <QThread>
 #include <QPainter>
 #include <QSettings>
-#include "mainwindow.h"
-#include <QCoreApplication>
-#include <QModbusTcpClient>
-#include <QModbusDataUnit>
-#include <QUrl>
 #include <QMessageBox>
 #include <QDebug>
+#include "mainwindow.h"
+#include <QCoreApplication>
 
 ColoredSquare::ColoredSquare(QWidget *parent) : QWidget(parent), m_color(Qt::gray) {
 }
@@ -117,6 +114,8 @@ void MainWindows::loadConfiguration() {
 }
 
 void MainWindows::initModbusConnection() {
+    delete m_modbusClient;
+
     m_modbusClient = new QModbusTcpClient(this);
 
     // Set timeouts
@@ -125,11 +124,13 @@ void MainWindows::initModbusConnection() {
     m_modbusClient->setTimeout(m_responseTimeout);
     m_modbusClient->setNumberOfRetries(1);
 
-    connect(m_modbusClient, &QModbusClient::stateChanged,
+    connect(m_modbusClient, &QModbusDevice::stateChanged,
             this, &MainWindows::onStateChanged);
 
     // Initialize poll timer
+    if (!m_pollTimer) {
         m_pollTimer = new QTimer(this);
+    }
     m_pollTimer->setInterval(m_pollInterval);
     connect(m_pollTimer, &QTimer::timeout, this, &MainWindows::onPollTimer);
 }
@@ -213,13 +214,15 @@ void MainWindows::readRegisters() {
 }
 
 void MainWindows::onReadReady() {
-    auto reply = qobject_cast<QModbusReply *>(sender());
+    auto* reply = qobject_cast<QModbusReply*>(sender());
     if (!reply) return;
 
-    if (reply->error() == QModbusDevice::NoError) {
+    std::unique_ptr<QModbusReply> replyPtr(reply); // Автоматическое освобождение памяти
+
+    if (replyPtr->error() == QModbusDevice::NoError) {
         m_responseCounter++;
         updateStatusBar();
-        const QModbusDataUnit unit = reply->result();
+        const QModbusDataUnit unit = replyPtr->result();
         int address = unit.startAddress();
         int value = unit.value(0);
 
@@ -257,7 +260,6 @@ void MainWindows::onReadReady() {
             }
         }
     }
-    reply->deleteLater();
 }
 
 void MainWindows::createUIElements() {
@@ -302,22 +304,23 @@ void MainWindows::createUIElements() {
         if (i < m_buttonCount) {
             auto* button = new QPushButton(QString("Register %1 Bit %2").arg(m_buttonRegisters[i]).arg(m_buttonBits[i]), this);
             button->setFont(tableFont);
-            button->setCheckable(true); // Делаем кнопку переключаемой
+            button->setCheckable(true);
             m_buttons.append(button);
             m_buttonValues.append(0);
             m_table->setCellWidget(i, 1, button);
-            connect(button, &QPushButton::clicked, [this, i]() {
+            connect(button, &QPushButton::clicked, this, [this, i]() {
                 QModbusDataUnit writeUnit(QModbusDataUnit::HoldingRegisters, m_buttonRegisters[i], 1);
                 int currentValue = m_buttonValues[i];
-                int newValue = currentValue ^ (1 << m_buttonBits[i]); // Toggle specific bit
+                int newValue = currentValue ^ (1 << m_buttonBits[i]);
                 m_buttonValues[i] = newValue;
                 writeUnit.setValue(0, newValue);
                 if (auto* reply = m_modbusClient->sendWriteRequest(writeUnit, 1)) {
-                    if (!reply->isFinished())
+                    if (!reply->isFinished()) {
                         connect(reply, &QModbusReply::finished, reply, &QModbusReply::deleteLater);
-                    else
+                    } else {
                         delete reply;
                     }
+                }
             });
         }
 
@@ -357,7 +360,7 @@ void MainWindows::createUIElements() {
     setFixedSize(totalWidth, totalHeight);
 }
 
-void MainWindows::updateStatusBar() {
+void MainWindows::updateStatusBar() const {
     QString status = QString("IP: %1 Port: %2 | Requests: %3 Responses: %4")
                         .arg(m_ipAddress)
                         .arg(m_port)