add many new scripts

addons/battery-widget.lua

@@ -0,0 +1,35 @@
+-- name = "Battery info"
+-- description = "Simple battery info widget"
+-- author = "Evgeny Zobnin (zobnin@gmail.com)"
+
+ticks = -1
+
+function on_tick()
+    -- Update one time per 10 seconds
+    ticks = ticks + 1
+    if ticks % 10 ~= 0 then
+        return
+    end
+
+    ticks = 0
+
+    local batt_info = system:get_battery_info()
+    local batt_strings = stringify_table(batt_info)
+    local folded_str = "Battery: "..batt_info.percent.."% | "..batt_info.temp.."° | "..batt_info.voltage.." mV"
+
+    ui:show_lines(batt_strings, nil, folded_str)
+end
+
+function stringify_table(tab)
+    local new_tab = {}
+
+    for k,v in pairs(tab) do
+        table.insert(new_tab, capitalize(k)..": "..tostring(v))
+    end
+
+    return new_tab
+end
+
+function capitalize(string)
+    return string:gsub("^%l", string.upper)
+end