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koreader/frontend/ui/widget/container/framecontainer.lua
2014-03-13 21:52:43 +08:00

62 lines
1.8 KiB
Lua

local WidgetContainer = require("ui/widget/container/widgetcontainer")
local Geom = require("ui/geometry")
--[[
A FrameContainer is some graphics content (1 widget) that is surrounded by a
frame
--]]
local FrameContainer = WidgetContainer:new{
background = nil,
color = 15,
margin = 0,
radius = 0,
bordersize = 2,
padding = 5,
width = nil,
height = nil,
invert = false,
}
function FrameContainer:getSize()
local content_size = self[1]:getSize()
return Geom:new{
w = content_size.w + ( self.margin + self.bordersize + self.padding ) * 2,
h = content_size.h + ( self.margin + self.bordersize + self.padding ) * 2
}
end
function FrameContainer:paintTo(bb, x, y)
local my_size = self:getSize()
self.dimen = Geom:new{
x = x, y = y,
w = my_size.w,
h = my_size.h
}
local container_width = self.width or my_size.w
local container_height = self.height or my_size.h
--@TODO get rid of margin here? 13.03 2013 (houqp)
if self.background then
bb:paintRoundedRect(x, y, container_width, container_height,
self.background, self.radius)
end
if self.bordersize > 0 then
bb:paintBorder(x + self.margin, y + self.margin,
container_width - self.margin * 2,
container_height - self.margin * 2,
self.bordersize, self.color, self.radius)
end
if self[1] then
self[1]:paintTo(bb,
x + self.margin + self.bordersize + self.padding,
y + self.margin + self.bordersize + self.padding)
end
if self.invert then
bb:invertRect(x + self.bordersize, y + self.bordersize,
container_width - 2*self.bordersize,
container_height - 2*self.bordersize)
end
end
return FrameContainer