lain/widget/calendar.lua

128 lines
4.1 KiB
Lua

--[[
Licensed under GNU General Public License v2
* (c) 2013, Luca CPZ
--]]
local helpers = require("lain.helpers")
local markup = require("lain.util.markup")
local awful = require("awful")
local naughty = require("naughty")
local mouse = mouse
local os = { date = os.date }
local string = { format = string.format,
gsub = string.gsub }
local ipairs = ipairs
local tonumber = tonumber
local setmetatable = setmetatable
-- Calendar notification
-- lain.widget.calendar
local calendar = { offset = 0 }
function calendar.hide()
if not calendar.notification then return end
naughty.destroy(calendar.notification)
calendar.notification = nil
end
function calendar.show(t_out, inc_offset, scr)
local f, offs = nil, inc_offset or 0
calendar.notification_preset.screen = scr or (calendar.followtag and awful.screen.focused()) or 1
calendar.offset = calendar.offset + offs
local current_month = (offs == 0 or calendar.offset == 0)
if current_month then -- today highlighted
calendar.offset = 0
calendar.icon = calendar.icons:len() > 0 and string.format("%s%s.png", calendar.icons, tonumber(os.date("%d")))
f = calendar.cal
else -- no current month showing, no day to highlight
local month = tonumber(os.date("%m"))
local year = tonumber(os.date("%Y"))
month = month + calendar.offset
while month > 12 do
month = month - 12
year = year + 1
end
while month < 1 do
month = month + 12
year = year - 1
end
calendar.icon = nil
f = string.format("%s %s %s", calendar.cal, month, year)
end
helpers.async(f, function(ws)
local fg, bg = calendar.notification_preset.fg, calendar.notification_preset.bg
calendar.notification_preset.text = ws:gsub("%c%[%d+[m]?%s?%d+%c%[%d+[m]?",
markup.bold(markup.color(bg, fg, os.date("%e")))):gsub("[\n%s]*$", "")
local widget_focused = true
if t_out == 0 and mouse.current_widgets then
widget_focused = false
for i, widget in ipairs(calendar.attach_to) do
for _,v in ipairs(mouse.current_widgets) do
if widget == v then
widget_focused = true
break
end
end
end
end
if widget_focused then
calendar.hide()
calendar.notification = naughty.notify({
preset = calendar.notification_preset,
icon = calendar.icon,
timeout = t_out or calendar.notification_preset.timeout or 5
})
end
end)
end
function calendar.hover_on() calendar.show(0) end
function calendar.hover_off() calendar.hide() end
function calendar.prev() calendar.show(0, -1) end
function calendar.next() calendar.show(0, 1) end
function calendar.attach(widget)
widget:connect_signal("mouse::enter", calendar.hover_on)
widget:connect_signal("mouse::leave", calendar.hover_off)
widget:buttons(awful.util.table.join(
awful.button({}, 1, calendar.prev),
awful.button({}, 3, calendar.next),
awful.button({}, 2, calendar.hover_on),
awful.button({}, 4, calendar.prev),
awful.button({}, 5, calendar.next)))
end
local function factory(args)
local args = args or {}
calendar.cal = args.cal or "/usr/bin/cal"
calendar.attach_to = args.attach_to or {}
calendar.followtag = args.followtag or false
calendar.icons = args.icons or helpers.icons_dir .. "cal/white/"
calendar.notification_preset = args.notification_preset
if not calendar.notification_preset then
calendar.notification_preset = {
font = "Monospace 10",
fg = "#FFFFFF",
bg = "#000000"
}
end
for i, widget in ipairs(calendar.attach_to) do calendar.attach(widget) end
end
return setmetatable(calendar, { __call = function(_, ...) return factory(...) end })