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task-list.lua
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task-list.lua
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local awful = require('awful')
local wibox = require('wibox')
local dpi = require('beautiful').xresources.apply_dpi
local capi = {button = _G.button}
local gears = require('gears')
local clickable_container = require('widget.material.clickable-container')
--- Common method to create buttons.
-- @tab buttons
-- @param object
-- @treturn table
local function create_buttons(buttons, object)
if buttons then
local btns = {}
for _, b in ipairs(buttons) do
-- Create a proxy button object: it will receive the real
-- press and release events, and will propagate them to the
-- button object the user provided, but with the object as
-- argument.
local btn = capi.button {modifiers = b.modifiers, button = b.button}
btn:connect_signal(
'press',
function()
b:emit_signal('press', object)
end
)
btn:connect_signal(
'release',
function()
b:emit_signal('release', object)
end
)
btns[#btns + 1] = btn
end
return btns
end
end
local function list_update(w, buttons, label, data, objects)
-- update the widgets, creating them if needed
w:reset()
for i, o in ipairs(objects) do
local cache = data[o]
local ib, cb, tb, cbm, bgb, tbm, ibm, tt, l, ll, bg_clickable
if cache then
ib = cache.ib
tb = cache.tb
bgb = cache.bgb
tbm = cache.tbm
ibm = cache.ibm
tt = cache.tt
else
ib = wibox.widget.imagebox()
tb = wibox.widget.textbox()
cb =
clickable_container(
wibox.container.margin(
wibox.widget.imagebox(os.getenv('HOME') .. '/.config/awesome/theme/icons/tag-list/tag/close.png'),
4,
4,
4,
4
)
)
cb.shape = gears.shape.circle
cbm = wibox.container.margin(cb, dpi(4), dpi(8), dpi(12), dpi(12))
cbm:buttons(
gears.table.join(
awful.button(
{},
1,
nil,
function()
o.kill(o)
end
)
)
)
bg_clickable = clickable_container()
bgb = wibox.container.background()
tbm = wibox.container.margin(tb, dpi(4), dpi(4))
ibm = wibox.container.margin(ib, dpi(12), dpi(12), dpi(12), dpi(12))
l = wibox.layout.fixed.horizontal()
ll = wibox.layout.fixed.horizontal()
-- All of this is added in a fixed widget
l:fill_space(true)
l:add(ibm)
l:add(tbm)
ll:add(l)
ll:add(cbm)
bg_clickable:set_widget(ll)
-- And all of this gets a background
bgb:set_widget(bg_clickable)
l:buttons(create_buttons(buttons, o))
-- Tooltip to display whole title, if it was truncated
tt = awful.tooltip({
objects = {tb},
mode = 'outside',
align = 'bottom',
delay_show = 1,
})
data[o] = {
ib = ib,
tb = tb,
bgb = bgb,
tbm = tbm,
ibm = ibm,
tt = tt
}
end
local text, bg, bg_image, icon, args = label(o, tb)
args = args or {}
-- The text might be invalid, so use pcall.
if text == nil or text == '' then
tbm:set_margins(0)
else
-- truncate when title is too long
local textOnly = text:match('>(.-)<')
if (textOnly:len() > 24) then
text = text:gsub('>(.-)<', '>' .. textOnly:sub(1, 21) .. '...<')
tt:set_text(textOnly)
tt:add_to_object(tb)
else
tt:remove_from_object(tb)
end
if not tb:set_markup_silently(text) then
tb:set_markup('<i><Invalid text></i>')
end
end
bgb:set_bg(bg)
if type(bg_image) == 'function' then
-- TODO: Why does this pass nil as an argument?
bg_image = bg_image(tb, o, nil, objects, i)
end
bgb:set_bgimage(bg_image)
if icon then
ib.image = icon
else
ibm:set_margins(0)
end
bgb.shape = args.shape
bgb.shape_border_width = args.shape_border_width
bgb.shape_border_color = args.shape_border_color
w:add(bgb)
end
end
local tasklist_buttons =
awful.util.table.join(
awful.button(
{},
1,
function(c)
if c == _G.client.focus then
c.minimized = true
else
-- Without this, the following
-- :isvisible() makes no sense
c.minimized = false
if not c:isvisible() and c.first_tag then
c.first_tag:view_only()
end
-- This will also un-minimize
-- the client, if needed
_G.client.focus = c
c:raise()
end
end
),
awful.button(
{},
2,
function(c)
c.kill(c)
end
),
awful.button(
{},
4,
function()
awful.client.focus.byidx(1)
end
),
awful.button(
{},
5,
function()
awful.client.focus.byidx(-1)
end
)
)
local TaskList = function(s)
return awful.widget.tasklist(
s,
awful.widget.tasklist.filter.currenttags,
tasklist_buttons,
{},
list_update,
wibox.layout.fixed.horizontal()
)
end
return TaskList