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koreader/frontend/ui/widget/container/bottomcontainer.lua

34 lines
1005 B
Lua

--[[--
BottomContainer contains its content (1 widget) at the bottom of its own
dimensions
--]]
local Geom = require("ui/geometry")
local WidgetContainer = require("ui/widget/container/widgetcontainer")
local BottomContainer = WidgetContainer:new()
function BottomContainer:paintTo(bb, x, y)
local contentSize = self[1]:getSize()
--- @fixme
-- if contentSize.w > self.dimen.w or contentSize.h > self.dimen.h then
-- throw error? paint to scrap buffer and blit partially?
-- for now, we ignore this
-- end
self[1]:paintTo(bb,
x + math.floor((self.dimen.w - contentSize.w)/2),
y + (self.dimen.h - contentSize.h))
end
function BottomContainer:contentRange()
local contentSize = self[1]:getSize()
return Geom:new{
x = (self.dimen.x or 0) + math.floor((self.dimen.w - contentSize.w)/2),
y = (self.dimen.y or 0) + self.dimen.h - contentSize.h,
w = contentSize.w,
h = contentSize.h
}
end
return BottomContainer