fix(color): 6POS display on the main and calib. screens (#2684)

* Fix 6POS switch display on the main and calibration screens

* remove unnecessary TRACE()

radio/src/gui/colorlcd/layouts/sliders.cpp

@@ -96,13 +96,23 @@ void MainView6POS::paint(BitmapBuffer * dc)
   }
 
   // The square
-  auto value = 1 + (potsPos[idx] & 0x0f);
+  value = 1 + (potsPos[idx] & 0x0f);
   x = TRIM_SQUARE_SIZE / 2 + divRoundClosest((width() - TRIM_SQUARE_SIZE) * (value -1) , 6);
   drawTrimSquare(dc, x, 0, COLOR_THEME_FOCUS);
   dc->drawNumber(x + 1, 0, value, FONT(XS) | COLOR_THEME_PRIMARY2);
 #endif
 }
 
+void MainView6POS::checkEvents()
+{
+  Window::checkEvents();
+  int16_t newValue = 1 + (potsPos[idx] & 0x0f);
+  if (value != newValue) {
+    value = newValue;
+    invalidate();
+  }
+}
+
 MainViewVerticalSlider::MainViewVerticalSlider(Window* parent, uint8_t idx) :
     MainViewSlider(parent, rect_t{}, idx)
 {

radio/src/gui/colorlcd/layouts/sliders.h

@@ -73,6 +73,7 @@ class MainView6POS : public MainViewSlider
     // using MainViewSlider::MainViewSlider;
     MainView6POS(Window* parent, uint8_t idx);
     void paint(BitmapBuffer * dc) override;
+    void checkEvents() override;
 };
 
 class MainViewVerticalSlider : public MainViewSlider