Scratching out layout

source/UI/UI_Elements.h

@@ -0,0 +1,28 @@
+#pragma once
+#include "UI.h"
+typedef enum {
+  Text,         // Basic text splat, using re-encoded strings
+  Number,       // Draws numbers using best size for the height (always one line)
+  Image,        // Pre-rendered bitmap that can be memcpy'ed in
+  PowerSource,  // Draws a battery icon, or text for voltage, or DC power plug
+  Temperature,  // Draws the number with temperature symbol following (height picks font)
+  InputVoltage, // Draws the number with V following and also 1 dp(height picks font)
+  ScrollBar,    // Draws a vertical scrollbar, number sets percentage 0-100
+  CheckBox,     // Draws checkbox, ticked = number!=0
+  TextScroller, // Renders text, scrolling with time
+} ElementTypes_t;
+
+typedef struct {
+  struct {
+    uint8_t x;
+    uint8_t y;
+  } position;
+  struct {
+    uint8_t w;
+    uint8_t h;
+  } size;
+
+
+} ElementSettings_t;
+
+void ui_render_element(ElementTypes_t element, screen_arg_t *args);