awesome/widget/task-list.lua

148 lines
4.3 KiB
Lua

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')
local tasklist_mode = 'text'
local beautiful = require('beautiful')
--- 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, tb, bgb, tbm, ibm, l, ll, bg_clickable
if cache then
ib = cache.ib
tb = cache.tb
bgb = cache.bgb
tbm = cache.tbm
ibm = cache.ibm
else
ib = wibox.widget.imagebox()
tb = wibox.widget.textbox()
bg_clickable = clickable_container()
bgb = wibox.container.background()
tbm = wibox.container.margin(tb, dpi(4), dpi(4), dpi(1), dpi(1))
ibm = wibox.container.margin(ib, dpi(1), dpi(1), dpi(1), dpi(1))
l = wibox.layout.fixed.horizontal()
ll = wibox.layout.flex.horizontal()
-- All of this is added in a fixed widget
l:fill_space(true)
l:add(ibm)
l:add(tbm)
ll:add(l)
bg_clickable:set_widget(ll)
-- And all of this gets a background
bgb:set_widget(bg_clickable)
l:buttons(create_buttons(buttons, o))
data[o] = {
ib = ib,
tb = tb,
bgb = bgb,
tbm = tbm,
ibm = ibm
}
end
local text, bg, bg_image, icon, args = label(o, tb)
args = args or {}
-- The text might be invalid, so use pcall.
if tasklist_mode == 'icon' then
text = nil
elseif tasklist_mode == 'text' then
icon = nil
end
if text == nil or text == '' then
tbm:set_margins(0)
else
if not tb:set_markup_silently(text) then
tb:set_markup('<i>&lt;Invalid text&gt;</i>')
end
end
bgb:set_bg(bg)
if type(bg_image) == 'function' then
bg_image = bg_image(tb, o, nil, objects, i)
end
bgb:set_bgimage(bg_image)
if icon then
ib.image = icon
ib.resize = true
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
tb.align = 'center'
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({}, 4, function()
awful.client.focus.byidx(1)
end), awful.button({}, 5, function()
awful.client.focus.byidx(-1)
end), awful.button({}, 2, function(c)
c.kill(c)
end))
local TaskList = function(s)
return awful.widget.tasklist(s, awful.widget.tasklist.filter.currenttags, tasklist_buttons, nil, list_update)
end
return TaskList