qt creator progress bar

[wraith charm]

im tryna change the color of my progress bar when it goes within a certain range, it works with css code but i need everything to be in c++, right now it works but the color is green throughout

[lunar flower]

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@wraith charm

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Markup

```cpp
int main() {}
```

Result

int main() {}

Note: Back-tick (`) not quotes (')

[wraith charm]

#include "mainwindow.h"
#include "ui_mainwindow.h"

MainWindow::MainWindow(QWidget *parent)
: QMainWindow(parent)
, ui(new Ui::MainWindow)
{
ui->setupUi(this);

}

MainWindow::~MainWindow()
{
delete ui;
}
// Implementation of the new function
void MainWindow::updateProgressBarColor()
{

int value = ui->progressBar->value();
qDebug() << "Progress Bar Value:" << value;


// Define ranges and corresponding colors
QColor color;
if (value >= 0 && value < 30) {
    color = QColor(Qt::red);
} else if (value >= 30 && value < 70) {
    color = QColor(Qt::yellow);
} else {
    color = QColor(Qt::green);
}

QPalette palette = ui->progressBar->palette();
palette.setColor(QPalette::Highlight, color);
ui->progressBar->setPalette(palette);

}

void MainWindow::on_submitButton_clicked()
{

int currentValue = ui->progressBar->value();
if (currentValue < ui->progressBar->maximum()) {
    int newValue = currentValue + 10; // You can adjust the increment value as per your requirement
    if (newValue <= ui->progressBar->maximum()) {
        ui->progressBar->setValue(newValue);
    } else {
        ui->progressBar->setValue(ui->progressBar->maximum());
    }
     updateProgressBarColor();
}

}

void MainWindow::on_clearButton_clicked()
{
int currentValue = ui->progressBar->value();
if (currentValue > ui->progressBar->minimum()) {
int newValue = currentValue - 10; // Decrement value by 10
if (newValue >= ui->progressBar->minimum()) {
ui->progressBar->setValue(newValue);
} else {
ui->progressBar->setValue(ui->progressBar->minimum());
}
updateProgressBarColor();
}
}

even when i try to set the color generally it doesnt work without any conditonns , could some one please help