Customizable graph colors

Software/PC_Application/CustomWidgets/colorpickerbutton.cpp

@@ -0,0 +1,35 @@
+#include "colorpickerbutton.h"
+#include <QColorDialog>
+
+ColorPickerButton::ColorPickerButton(QWidget *parent)
+    : QPushButton(parent)
+{
+    color = Qt::white;
+    connect(this, &ColorPickerButton::clicked, this, &ColorPickerButton::changeColor);
+    updateBackground();
+}
+
+void ColorPickerButton::setColor(const QColor &color)
+{
+    this->color = color;
+    updateBackground();
+}
+
+const QColor &ColorPickerButton::getColor()
+{
+    return color;
+}
+
+void ColorPickerButton::changeColor()
+{
+    auto newColor = QColorDialog::getColor(color, parentWidget(), "Select color", QColorDialog::DontUseNativeDialog);
+    if(newColor.isValid() && newColor != color) {
+        setColor(newColor);
+        emit colorChanged(newColor);
+    }
+}
+
+void ColorPickerButton::updateBackground()
+{
+    setStyleSheet("background-color:"+color.name());
+}

Software/PC_Application/CustomWidgets/colorpickerbutton.h

@@ -0,0 +1,23 @@
+#ifndef COLORPICKERBUTTON_H
+#define COLORPICKERBUTTON_H
+
+#include <QPushButton>
+
+class ColorPickerButton : public QPushButton
+{
+    Q_OBJECT
+public:
+    ColorPickerButton(QWidget *parent = nullptr);
+
+    void setColor(const QColor& color);
+    const QColor& getColor();
+signals:
+    void colorChanged(const QColor& color);
+private slots:
+    void changeColor();
+private:
+    void updateBackground();
+    QColor color;
+};
+
+#endif // COLORPICKERBUTTON_H