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koreader/frontend/ui/widget/radiomark.lua
2022-02-04 06:08:07 +02:00

33 lines
1.1 KiB
Lua

local BD = require("ui/bidi")
local Blitbuffer = require("ffi/blitbuffer")
local Font = require("ui/font")
local InputContainer = require("ui/widget/container/inputcontainer")
local TextWidget = require("ui/widget/textwidget")
local RadioMark = InputContainer:new{
checkable = true, -- empty space when false
checked = false,
enabled = true,
face = Font:getFace("smallinfofont"),
baseline = 0,
_mirroredUI = BD.mirroredUILayout(),
-- round radio mark looks a little bit higher than the button/menu text
-- default vertical down shift ratio (to the text height) looks good in touchmenu
v_shift_ratio = 0.03,
}
function RadioMark:init()
local widget = TextWidget:new{
text = self.checkable and (self.checked and "" or "") or "",
face = self.face,
fgcolor = self.enabled and Blitbuffer.COLOR_BLACK or Blitbuffer.COLOR_DARK_GRAY,
para_direction_rtl = self._mirroredUI,
}
self.baseline = widget:getBaseline()
widget.forced_baseline = self.baseline + math.floor(widget:getSize().h * self.v_shift_ratio)
self[1] = widget
self.dimen = widget:getSize()
end
return RadioMark