--- /dev/null
+
+--[[
+
+ Licensed under GNU General Public License v2
+ * (c) 2013, Luke Bonham
+
+--]]
+
+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 = 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*$", "")
+
+ 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 })