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43 lines
1.2 KiB
43 lines
1.2 KiB
local wibox = require("wibox") |
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local surface = require("gears.surface") |
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local shape = require("gears.shape") |
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local module = {} |
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local function fit(self, context, width, height) |
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local size = math.min(width, height) |
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return size, size |
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end |
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local function set_client(self, c) |
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ret._private.client[1] = c |
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self:emit_signal("widget::redraw_needed") |
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end |
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local function draw(self, content, cr, width, height) |
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local c = self._private.client[1] |
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local s, geo = surface(c.content), c:geometry() |
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local scale = math.min(width/geo.width, height/geo.height) |
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local w, h = geo.width*scale, geo.height*scale |
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local dx, dy = (width-w)/2, (height-h)/2 |
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cr:translate(dx, dy) |
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shape.rounded_rect(cr, w, h) |
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cr:clip() |
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cr:scale(scale, scale) |
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cr:set_source_surface(s) |
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cr:paint() |
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end |
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local function new(c) |
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local ret = wibox.widget.base.make_widget(nil, nil, { |
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enable_properties = true, |
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}) |
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rawset(ret, "fit" , fit ) |
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rawset(ret, "draw" , draw ) |
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rawset(ret, "set_client", set_client) |
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ret._private.client = setmetatable({c}, {__mode="v"}) |
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return ret |
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end |
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return setmetatable(module, {__call=function(_,...) return new(...) end})
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