95 lines
2.6 KiB
Lua
95 lines
2.6 KiB
Lua
---------------------------------------------------------------------------
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-- @author Uli Schlachter
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-- @copyright 2010 Uli Schlachter
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-- @release @AWESOME_VERSION@
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---------------------------------------------------------------------------
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local wbase = require("wibox.widget.base")
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local lbase = require("wibox.layout.base")
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local beautiful = require("beautiful")
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local capi = { awesome = awesome }
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local setmetatable = setmetatable
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local error = error
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local abs = math.abs
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--- wibox.widget.systray
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local systray = { mt = {} }
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local horizontal = true
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local base_size = nil
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local reverse = false
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function systray:draw(wibox, cr, width, height)
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local x, y, _, _ = lbase.rect_to_device_geometry(cr, 0, 0, width, height)
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local num_entries = capi.awesome.systray()
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local bg = beautiful.bg_systray or beautiful.bg_normal or "#000000"
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local spacing = beautiful.systray_icon_spacing or 0
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-- Figure out if the cairo context is rotated
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local dir_x, dir_y = cr:user_to_device_distance(1, 0)
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local is_rotated = abs(dir_x) < abs(dir_y)
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local in_dir, ortho, base
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if horizontal then
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in_dir, ortho = width, height
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is_rotated = not is_rotated
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else
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ortho, in_dir = width, height
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end
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if ortho * num_entries <= in_dir then
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base = ortho
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else
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base = in_dir / num_entries
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end
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capi.awesome.systray(wibox.drawin, x, y, base, is_rotated, bg, reverse, spacing)
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end
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function systray:fit(width, height)
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local num_entries = capi.awesome.systray()
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local base = base_size
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local spacing = beautiful.systray_icon_spacing or 0
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if num_entries == 0 then
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return 0, 0
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end
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if base == nil then
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if width < height then
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base = width
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else
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base = height
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end
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end
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base = base + spacing
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if horizontal then
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return base * num_entries - spacing, base
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end
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return base, base * num_entries - spacing
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end
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local function new(revers)
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local ret = wbase.make_widget()
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ret.fit = systray.fit
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ret.draw = systray.draw
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ret.set_base_size = function(_, size) base_size = size end
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ret.set_horizontal = function(_, horiz) horizontal = horiz end
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ret.set_reverse = function(revers) reverse = revers end
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if revers then
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ret:set_reverse(true)
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end
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capi.awesome.connect_signal("systray::update", function()
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ret:emit_signal("widget::updated")
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end)
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return ret
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end
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function systray.mt:__call(...)
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return new(...)
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end
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return setmetatable(systray, systray.mt)
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-- vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
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