move into firmware subfolder

Signed-off-by: Peter Siegmund <developer@mars3142.org>

firmware/components/insa/src/common/ScrollBar.cpp

@@ -0,0 +1,41 @@
+#include "common/ScrollBar.h"
+
+ScrollBar::ScrollBar(const menu_options_t *options, const size_t x, const size_t y, const size_t width,
+                     const size_t height)
+    : Widget(options->u8g2), m_x(x), m_y(y), m_width(width), m_height(height), m_value(0), m_max(0), m_min(0),
+      m_thumbHeight(0), m_thumbY(0)
+{
+}
+
+void ScrollBar::render()
+{
+    if (m_max <= 1)
+    {
+        return;
+    }
+
+    for (size_t y = m_y; y < m_y + m_height; y += 2)
+    {
+        u8g2_DrawPixel(u8g2, m_x, y);
+    }
+
+    u8g2_DrawBox(u8g2, u8g2->width - 4, m_thumbY, 3, m_thumbHeight);
+}
+
+void ScrollBar::refresh(const size_t value, const size_t max, const size_t min)
+{
+    m_value = value;
+    m_max = max;
+    m_min = min;
+
+    if (m_max <= 1)
+    {
+        return;
+    }
+
+    m_thumbHeight = std::max(m_height / 4, static_cast<size_t>(3));
+
+    const size_t trackLength = m_height - m_thumbHeight;
+
+    m_thumbY = m_y + (m_value * trackLength) / (m_max - 1);
+}