first ui actions

FilmLightController/main.cpp

@@ -7,5 +7,8 @@ int main(int argc, char *argv[])
     MainWindow w;
     w.show();
 
+
+
+
     return a.exec();
 }

FilmLightController/mainwindow.cpp

@@ -1,5 +1,6 @@
 #include "mainwindow.h"
 #include "ui_mainwindow.h"
+#include <string>
 
 MainWindow::MainWindow(QWidget *parent) :
     QMainWindow(parent),
@@ -16,10 +17,9 @@ MainWindow::~MainWindow()
 }
 
 
-void MainWindow::setLablePowerCold(void){
-
-    ui->labelPowerCold->setText("Test");
+void MainWindow::setLablePowerCold(int val){
 
+    ui->labelPowerCold->setText("Output Power Cold: " + QString::number(val) + " %");
 }
 
 void MainWindow::on_BtnIncreaseBrightness_clicked()

FilmLightController/mainwindow.h

@@ -14,11 +14,9 @@ class MainWindow : public QMainWindow
 public:
     explicit MainWindow(QWidget *parent = nullptr);
     ~MainWindow();
-    void setLablePowerCold(void);
+    void setLablePowerCold(int val);
 
 private slots:
-    void on_pushButton_clicked();
-
     void on_BtnIncreaseBrightness_clicked();
 
     void on_BtnDecreaseBrightness_clicked();