--- /dev/null
+--[[
+
+ Licensed under GNU General Public License v2
+ * (c) 2018, Luca CPZ
+
+--]]
+
+local helpers = require("lain.helpers")
+local markup = require("lain.util.markup")
+local awful = require("awful")
+local naughty = require("naughty")
+local floor = math.floor
+local os = os
+local pairs = pairs
+local string = string
+local tconcat = table.concat
+local type = type
+local tonumber = tonumber
+local tostring = tostring
+
+-- Calendar notification
+-- lain.widget.cal
+
+local function factory(args)
+ args = args or {}
+ local cal = {
+ attach_to = args.attach_to or {},
+ week_start = args.week_start or 2,
+ three = args.three or false,
+ followtag = args.followtag or false,
+ week_number = args.week_number or "none",
+ week_number_format = args.week_number_format or args.week_number == "left" and "%3d | " or "| %-3d",
+ icons = args.icons or helpers.icons_dir .. "cal/white/",
+ notification_preset = args.notification_preset or {
+ font = "Monospace 10", fg = "#FFFFFF", bg = "#000000"
+ }
+ }
+
+ function cal.get_week_number(m, st_day, x)
+ return string.format(cal.week_number_format, os.date("%V", m) + (x ~= 0 and floor((x + st_day) / 7) - 1 or 0))
+ end
+
+ function cal.sum_week_days(x, y)
+ return (x + y) % 7
+ end
+
+ function cal.build(month, year)
+ local current_month, current_year = tonumber(os.date("%m")), tonumber(os.date("%Y"))
+ local is_current_month = (not month or not year) or (month == current_month and year == current_year)
+ local today = is_current_month and tonumber(os.date("%d")) -- otherwise nil and not highlighted
+ local t = os.time { year = year or current_year, month = month and month+1 or current_month+1, day = 0 }
+ local d = os.date("*t", t)
+ local mth_days, st_day, this_month = d.day, (d.wday-d.day-cal.week_start+1)%7, os.date("%B %Y", t)
+ local notifytable = { [1] = string.format("%s%s\n", string.rep(" ", floor((28 - this_month:len())/2)), markup.bold(this_month)) }
+ for x = 0,6 do notifytable[#notifytable+1] = os.date("%a", os.time { year=2006, month=1, day=x+cal.week_start }):sub(1, 3) .. " " end
+ notifytable[#notifytable] = string.format("%s\n%s", notifytable[#notifytable]:sub(1, -2), string.rep(" ", st_day*4))
+ local strx
+ for x = 1,mth_days do
+ strx = x
+ if x == today then
+ if x < 10 then x = " " .. x end
+ strx = markup.bold(markup.color(cal.notification_preset.bg, cal.notification_preset.fg, x) .. " ")
+ end
+ strx = string.format("%s%s", string.rep(" ", 3 - tostring(x):len()), strx)
+ notifytable[#notifytable+1] = string.format("%-4s%s", strx, (x+st_day)%7==0 and x ~= mth_days and "\n" or "")
+ end
+ if string.len(cal.icons or "") > 0 and today then cal.icon = cal.icons .. today .. ".png" end
+ cal.month, cal.year = d.month, d.year
+
+ if cal.week_number ~= "none" then
+ local m = os.time { year = year or current_year, month = month and month or current_month, day = 0 }
+ local head_prepend = string.rep(" ", tostring(string.format(cal.week_number_format, 0)):len())
+
+ if cal.week_number == "left" then
+ notifytable[1] = head_prepend .. notifytable[1] -- month-year row
+ notifytable[2] = head_prepend .. notifytable[2] -- weekdays row
+ notifytable[8] = notifytable[8]:gsub("\n", "\n" .. cal.get_week_number(m, st_day, 0)) -- first week of the month
+
+ for x = 10,#notifytable do
+ if cal.sum_week_days(st_day, x) == 2 then
+ notifytable[x] = cal.get_week_number(m, st_day, x) .. notifytable[x]
+ end
+ end
+ elseif cal.week_number == "right" then
+ notifytable[8] = notifytable[8]:gsub("\n", head_prepend .. "\n") -- weekdays row
+ for x = 9,#notifytable do
+ if cal.sum_week_days(st_day, x) == 1 then
+ notifytable[x] = notifytable[x]:gsub("\n", cal.get_week_number(m, st_day, x - 7) .. "\n")
+ end
+ end
+ -- last week of the month
+ local end_days = cal.sum_week_days(st_day, mth_days)
+ if end_days ~= 0 then end_days = 7 - end_days end
+ notifytable[#notifytable] = notifytable[#notifytable] .. string.rep(" ", 4 * end_days) .. cal.get_week_number(m, st_day, mth_days + end_days)
+ end
+ end
+
+ return notifytable
+ end
+
+ function cal.getdate(month, year, offset)
+ if not month or not year then
+ month = tonumber(os.date("%m"))
+ year = tonumber(os.date("%Y"))
+ end
+
+ month = month + offset
+
+ while month > 12 do
+ month = month - 12
+ year = year + 1
+ end
+
+ while month < 1 do
+ month = month + 12
+ year = year - 1
+ end
+
+ return month, year
+ end
+
+ function cal.hide()
+ if not cal.notification then return end
+ naughty.destroy(cal.notification)
+ cal.notification = nil
+ end
+
+ function cal.show(seconds, month, year, scr)
+ cal.notification_preset.text = tconcat(cal.build(month, year))
+
+ if cal.three then
+ local current_month, current_year = cal.month, cal.year
+ local prev_month, prev_year = cal.getdate(cal.month, cal.year, -1)
+ local next_month, next_year = cal.getdate(cal.month, cal.year, 1)
+ cal.notification_preset.text = string.format("%s\n\n%s\n\n%s",
+ tconcat(cal.build(prev_month, prev_year)), cal.notification_preset.text,
+ tconcat(cal.build(next_month, next_year)))
+ cal.month, cal.year = current_month, current_year
+ end
+
+ cal.hide()
+ cal.notification = naughty.notify {
+ preset = cal.notification_preset,
+ screen = cal.followtag and awful.screen.focused() or scr or 1,
+ icon = cal.icon,
+ timeout = type(seconds) == "number" and seconds or cal.notification_preset.timeout or 5
+ }
+ end
+
+ function cal.hover_on() cal.show(0) end
+ function cal.move(offset)
+ local offset = offset or 0
+ cal.month, cal.year = cal.getdate(cal.month, cal.year, offset)
+ cal.show(0, cal.month, cal.year)
+ end
+ function cal.prev() cal.move(-1) end
+ function cal.next() cal.move( 1) end
+
+ function cal.attach(widget)
+ widget:connect_signal("mouse::enter", cal.hover_on)
+ widget:connect_signal("mouse::leave", cal.hide)
+ widget:buttons(awful.util.table.join(
+ awful.button({}, 1, cal.prev),
+ awful.button({}, 3, cal.next),
+ awful.button({}, 2, cal.hover_on),
+ awful.button({}, 5, cal.prev),
+ awful.button({}, 4, cal.next)))
+ end
+
+ for _, widget in pairs(cal.attach_to) do cal.attach(widget) end
+
+ return cal
+end
+
+return factory
projects / dotfiles / .git / blobdiff