130 lines
4.9 KiB
Lua
Executable file
130 lines
4.9 KiB
Lua
Executable file
--[[
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Licensed under GNU General Public License v2
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* (c) 2018, Luca CPZ
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--]]
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local helpers = require("lain.helpers")
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local markup = require("lain.util.markup")
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local awful = require("awful")
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local naughty = require("naughty")
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local floor = math.floor
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local os = os
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local pairs = pairs
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local string = string
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local tconcat = table.concat
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local tonumber = tonumber
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local tostring = tostring
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-- Calendar notification
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-- lain.widget.cal
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local function factory(args)
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args = args or {}
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local cal = {
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attach_to = args.attach_to or {},
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week_start = args.week_start or 2,
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three = args.three or false,
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followtag = args.followtag or false,
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icons = args.icons or helpers.icons_dir .. "cal/white/",
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notification_preset = args.notification_preset or {
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font = "Monospace 10", fg = "#FFFFFF", bg = "#000000"
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}
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}
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function cal.build(month, year)
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local current_month, current_year = tonumber(os.date("%m")), tonumber(os.date("%Y"))
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local is_current_month = (not month or not year) or (month == current_month and year == current_year)
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local today = is_current_month and tonumber(os.date("%d")) -- otherwise nil and not highlighted
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local t = os.time { year = year or current_year, month = month and month+1 or current_month+1, day = 0 }
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local d = os.date("*t", t)
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local mth_days, st_day, this_month = d.day, (d.wday-d.day-cal.week_start+1)%7, os.date("%B %Y", t)
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local notifytable = { [1] = string.format("%s%s\n", string.rep(" ", floor((28 - this_month:len())/2)), markup.bold(this_month)) }
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for x = 0,6 do notifytable[#notifytable+1] = os.date("%a ", os.time { year=2006, month=1, day=x+cal.week_start }) end
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notifytable[#notifytable] = string.format("%s\n%s", notifytable[#notifytable]:sub(1, -2), string.rep(" ", st_day*4))
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for x = 1,mth_days do
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local strx = x ~= today and x or markup.bold(markup.color(cal.notification_preset.bg, cal.notification_preset.fg, x) .. " ")
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strx = string.format("%s%s", string.rep(" ", 3 - tostring(x):len()), strx)
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notifytable[#notifytable+1] = string.format("%-4s%s", strx, (x+st_day)%7==0 and x ~= mth_days and "\n" or "")
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end
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if string.len(cal.icons or "") > 0 and today then cal.icon = cal.icons .. today .. ".png" end
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cal.month, cal.year = d.month, d.year
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return notifytable
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end
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function cal.getdate(month, year, offset)
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if not month or not year then
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month = tonumber(os.date("%m"))
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year = tonumber(os.date("%Y"))
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end
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month = month + offset
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while month > 12 do
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month = month - 12
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year = year + 1
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end
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while month < 1 do
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month = month + 12
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year = year - 1
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end
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return month, year
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end
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function cal.hide()
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if not cal.notification then return end
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naughty.destroy(cal.notification)
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cal.notification = nil
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end
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function cal.show(timeout, month, year, scr)
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cal.notification_preset.text = tconcat(cal.build(month, year))
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if cal.three then
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local current_month, current_year = cal.month, cal.year
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local prev_month, prev_year = cal.getdate(cal.month, cal.year, -1)
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local next_month, next_year = cal.getdate(cal.month, cal.year, 1)
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cal.notification_preset.text = string.format("%s\n\n%s\n\n%s",
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tconcat(cal.build(prev_month, prev_year)), cal.notification_preset.text,
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tconcat(cal.build(next_month, next_year)))
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cal.month, cal.year = current_month, current_year
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end
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cal.hide()
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cal.notification = naughty.notify {
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preset = cal.notification_preset,
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screen = cal.followtag and awful.screen.focused() or scr or 1,
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icon = cal.icon,
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timeout = timeout or cal.notification_preset.timeout or 5
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}
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end
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function cal.hover_on() cal.show(0) end
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function cal.move(offset)
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local offset = offset or 0
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cal.month, cal.year = cal.getdate(cal.month, cal.year, offset)
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cal.show(0, cal.month, cal.year)
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end
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function cal.prev() cal.move(-1) end
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function cal.next() cal.move( 1) end
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function cal.attach(widget)
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widget:connect_signal("mouse::enter", cal.hover_on)
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widget:connect_signal("mouse::leave", cal.hide)
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widget:buttons(awful.util.table.join(
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awful.button({}, 1, cal.prev),
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awful.button({}, 3, cal.next),
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awful.button({}, 2, cal.hover_on),
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awful.button({}, 5, cal.prev),
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awful.button({}, 4, cal.next)))
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end
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for _, widget in pairs(cal.attach_to) do cal.attach(widget) end
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return cal
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end
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return factory
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