86 lines
2.5 KiB
Lua
86 lines
2.5 KiB
Lua
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local setmetatable = setmetatable
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local print = print
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local color = require("gears.color")
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local cairo = require( "lgi" ).cairo
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local wibox = require("wibox")
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local beautiful = require( "beautiful" )
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local module = {}
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local arr_up
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local arr_down
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local isinit = false
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local function init()
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local size = beautiful.menu_height or 16
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arr_down = cairo.ImageSurface(cairo.Format.ARGB32, size,size)
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arr_up = cairo.ImageSurface(cairo.Format.ARGB32, size,size)
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local cr2 = cairo.Context(arr_down)
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local cr = cairo.Context(arr_up)
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cr:set_operator(cairo.Operator.CLEAR)
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cr2:set_operator(cairo.Operator.CLEAR)
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cr:paint()
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cr2:paint()
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cr:set_operator(cairo.Operator.SOURCE)
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cr2:set_operator(cairo.Operator.SOURCE)
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local sp = 2.5
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local rs = size - (2*sp)
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cr:set_source(color(beautiful.fg_normal))
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cr2:set_source(color(beautiful.fg_normal))
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cr:set_line_width(2)
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cr2:set_line_width(2)
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cr:move_to( sp , sp );cr:line_to( rs , sp )
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cr:move_to( sp , sp );cr:line_to( sp , rs )
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cr:move_to( sp , rs );cr:line_to( rs , rs )
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cr:move_to( rs , sp );cr:line_to( rs , rs )
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cr:move_to( sp , sp );cr:line_to( rs , rs )
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cr:move_to( sp , rs );cr:line_to( rs , sp )
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cr:stroke()
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cr2:move_to( sp , sp );cr2:line_to (rs , sp , beautiful.fg_normal )
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cr2:move_to( sp , sp );cr2:line_to (sp , rs , beautiful.fg_normal )
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cr2:move_to( sp , rs );cr2:line_to (rs , rs , beautiful.fg_normal )
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cr2:move_to( rs , sp );cr2:line_to (rs , rs , beautiful.fg_normal )
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cr2:stroke()
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isinit = true
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end
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function module.up()
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if not isinit then
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init()
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end
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return arr_up
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end
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function module.down()
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if not isinit then
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init()
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end
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return arr_down
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end
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local function new(data)
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local scroll_w = {}
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for k,v in ipairs({"up","down"}) do
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local ib = wibox.widget.imagebox()
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ib:set_image(module[v]())
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ib.fit = function(tb,width,height)
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return width,data.item_height
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end
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ib.draw = function(self,wibox, cr, width, height)
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cr:set_source_surface(self._image, width/2 - self._image:get_width()/2, 0)
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cr:paint()
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end
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scroll_w[v] = wibox.widget.background()
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scroll_w[v]:set_widget(ib)
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scroll_w[v].visible = true
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data.item_style(data,{widget=scroll_w[v]},false,false,true)
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end
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return scroll_w
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end
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return setmetatable(module, { __call = function(_, ...) return new(...) end })
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-- kate: space-indent on; indent-width 2; replace-tabs on;
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