add calc sample

This commit is contained in:
Evgeny
2021-08-08 07:50:28 +03:00
parent 7682f6fccd
commit 47a866e261
2 changed files with 38 additions and 0 deletions

9
lib/misc.lua Normal file
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@@ -0,0 +1,9 @@
function parseHexColor(text)
local r = tonumber('0x' .. string.sub(text, -8, -7))
local g = tonumber('0x' .. string.sub(text, -6, -5))
local b = tonumber('0x' .. string.sub(text, -4, -3))
local a = tonumber('0x' .. string.sub(text, -2))
return r, g, b, a
end

29
samples/calc.lua Normal file
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function on_alarm()
ui:show_text("Введите выражение")
end
function on_click()
ui:show_edit_dialog("Введите выражение")
end
function on_dialog_action(text)
if text == "" then
on_alarm()
else
ui:show_text(calculate_string(text))
end
end
function sqrt(x)
return math.sqrt(x)
end
function pow(x, y)
return math.pow(x,y)
end
function calculate_string(str)
return load("return "..str)
end