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