Move UI folder

UI/UI_dial.cpp

@@ -0,0 +1,64 @@
+#include "UI_dial.hpp"
+
+UI_dial::UI_dial(std::string text, std::string unit, Color fg_color, Color bg_color, double min, double max,
+                 double value, QObject *parent)
+    : UI_item(UI_DIAL_TYPE, text, 12, fg_color, bg_color, parent), m_min(min), m_max(max), m_value(value), m_unit(unit)
+{
+}
+
+UI_dial::UI_dial(std::string text, Color fg_color, Color bg_color, double min, double max, double value,
+                 QObject *parent)
+    : UI_dial(text, "", fg_color, bg_color, min, max, value, parent)
+{
+}
+
+UI_dial::UI_dial(const json &j, QObject *parent) : UI_item(UI_DIAL_TYPE, parent)
+{
+    from_json(j);
+}
+
+void UI_dial::set_value(double value)
+{
+    if (value < m_min || value > m_max)
+        return;
+    if (value == m_value)
+        return;
+
+    this->m_value = value;
+    emit value_changed();
+}
+
+double UI_dial::value() const
+{
+    return m_value;
+}
+
+double UI_dial::min() const
+{
+    return m_min;
+}
+
+double UI_dial::max() const
+{
+    return m_max;
+}
+
+void UI_dial::from_json(const json &j)
+{
+    UI_item::from_json(j);
+
+    this->m_min = j.at("min");
+    this->m_max = j.at("max");
+    this->m_value = j.at("value");
+    this->m_unit = j.at("unit");
+}
+
+json UI_dial::to_json(size_t id) const
+{
+    json j = UI_item::to_json(id);
+    j["min"] = this->m_min;
+    j["max"] = this->m_max;
+    j["value"] = this->m_value;
+    j["unit"] = this->m_unit;
+    return j;
+}