1 files changed, 131 insertions, 0 deletions
diff --git a/awesome/lain/widgets/calendar.lua b/awesome/lain/widgets/calendar.lua
new file mode 100644
index 0000000..3e65f38
--- /dev/null
+++ b/awesome/lain/widgets/calendar.lua
@@ -0,0 +1,131 @@
+
+--[[
+                                                  
+     Licensed under GNU General Public License v2 
+      * (c) 2013, Luke Bonham                     
+                                                  
+--]]
+
+local icons_dir    = require("lain.helpers").icons_dir
+
+local awful        = require("awful")
+local beautiful    = require("beautiful")
+local naughty      = require("naughty")
+
+local io           = { popen = io.popen }
+local os           = { date = os.date }
+local tonumber     = tonumber
+
+local setmetatable = setmetatable
+
+-- Calendar notification
+-- lain.widgets.calendar
+local calendar = {}
+local cal_notification = nil
+
+function calendar:hide()
+    if cal_notification ~= nil then
+        naughty.destroy(cal_notification)
+        cal_notification = nil
+    end
+end
+
+function calendar:show(t_out, inc_offset, scr)
+    calendar:hide()
+
+    local offs = inc_offset or 0
+    local tims = t_out or 0
+    local f, c_text
+    local today = tonumber(os.date('%d'))
+    local init_t = calendar.cal .. ' ' .. calendar.post_cal  .. ' ' ..
+        ' | sed -r -e "s/_\\x08//g" | sed -r -e "s/(^| )('
+
+    calendar.offset = calendar.offset + offs
+
+    if offs == 0 or calendar.offset == 0
+    then -- current month showing, today highlighted
+        calendar.offset = 0
+        calendar.notify_icon = calendar.icons .. today .. ".png"
+
+        -- bg and fg inverted to highlight today
+        f = io.popen( init_t .. today ..
+                      ')($| )/\\1<b><span foreground=\\"'
+                      .. calendar.bg ..
+                      '\\" background=\\"'
+                      .. calendar.fg ..
+                      '\\">\\2<\\/span><\\/b>\\3/"' )
+
+    else -- no current month showing, no day to highlight
+       local month = tonumber(os.date('%m'))
+       local year = tonumber(os.date('%Y'))
+
+       month = month + calendar.offset
+
+       if month > 12 then
+           month = month % 12
+           year = year + 1
+           if month <= 0 then
+               month = 12
+           end
+       elseif month < 1 then
+           month = month + 12
+           year = year - 1
+           if month <= 0 then
+               month = 1
+           end
+       end
+
+       calendar.notify_icon = nil
+
+       f = io.popen(calendar.cal .. ' ' .. month .. ' ' .. year .. ' ' ..
+            calendar.post_cal)
+    end
+
+    c_text = "<tt><span font='" .. calendar.font .. " "
+             .. calendar.font_size .. "'><b>"
+             .. f:read() .. "</b>\n\n"
+             .. f:read() .. "\n"
+             .. f:read("*a"):gsub("\n*$", "")
+             .. "</span></tt>"
+    f:close()
+
+    cal_notification = naughty.notify({
+        text = c_text,
+        icon = calendar.notify_icon,
+        position = calendar.position,
+        fg = calendar.fg,
+        bg = calendar.bg,
+        timeout = tims,
+        screen = scr or 1
+    })
+end
+
+function calendar:attach(widget, args)
+    local args = args or {}
+    calendar.cal       = args.cal or "/usr/bin/cal"
+    calendar.post_cal  = args.post_cal or ""
+    calendar.icons     = args.icons or icons_dir .. "cal/white/"
+    calendar.font      = args.font or beautiful.font:sub(beautiful.font:find(""),
+                         beautiful.font:find(" "))
+    calendar.font_size = tonumber(args.font_size) or 11
+    calendar.fg        = args.fg or beautiful.fg_normal or "#FFFFFF"
+    calendar.bg        = args.bg or beautiful.bg_normal or "#FFFFFF"
+    calendar.position  = args.position or "top_right"
+    calendar.scr_pos   = args.scr_pos or 1
+
+    calendar.offset = 0
+    calendar.notify_icon = nil
+
+    widget:connect_signal("mouse::enter", function () calendar:show(0, 0, scr_pos) end)
+    widget:connect_signal("mouse::leave", function () calendar:hide() end)
+    widget:buttons(awful.util.table.join( awful.button({ }, 1, function ()
+                                              calendar:show(0, -1, scr_pos) end),
+                                          awful.button({ }, 3, function ()
+                                              calendar:show(0, 1, scr_pos) end),
+                                          awful.button({ }, 4, function ()
+                                              calendar:show(0, -1, scr_pos) end),
+                                          awful.button({ }, 5, function ()
+                                              calendar:show(0, 1, scr_pos) end)))
+end
+
+return setmetatable(calendar, { __call = function(_, ...) return create(...) end })