54 lines
1.4 KiB
Lua
54 lines
1.4 KiB
Lua
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local setmetatable = setmetatable
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local math = math
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local color = require( "gears.color" )
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local cairo = require( "lgi" ).cairo
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local print = print
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local module = {
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margins = {
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TOP = 4,
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BOTTOM = 4,
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RIGHT = 4,
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LEFT = 4
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}
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}
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local focussed,default = nil, nil
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local function gen(item_height,bg_color,border_color)
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local img = cairo.ImageSurface(cairo.Format.ARGB32, item_height,item_height)
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local cr = cairo.Context(img)
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local rad = corner_radius or 3
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cr:set_source(color(bg_color))
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cr:arc(rad,rad,rad,0,2*math.pi)
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cr:arc(item_height-rad,rad,rad,0,2*math.pi)
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cr:arc(rad,item_height-rad,rad,0,2*math.pi)
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cr:arc(item_height-rad,item_height-rad,rad,0,2*math.pi)
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cr:fill()
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cr:rectangle(0,rad, item_height, item_height-2*rad)
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cr:rectangle(rad,0, item_height-2*rad, item_height)
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cr:fill()
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return cairo.Pattern.create_for_surface(img)
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end
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local function draw(data,item,is_focussed,is_pressed)
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local ih = data.item_height
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if not focussed or not focussed[ih] then
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if not focussed then
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focussed,default={},{}
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end
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local bc = data.border_color
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focussed[ih] = gen(ih,data.bg_focus,bc)
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default [ih] = gen(ih,data.bg,bc)
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end
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if is_focussed then
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item.widget:set_bg(focussed[ih])
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else
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item.widget:set_bg(default[ih])
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end
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end
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return setmetatable(module, { __call = function(_, ...) return draw(...) end })
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-- kate: space-indent on; indent-width 2; replace-tabs on;
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