Merge pull request #3 from janx/master

Task widget

widgets/task.lua

@@ -0,0 +1,124 @@
+
+--[[
+                                                  
+     Licensed under GNU General Public License v2 
+      * (c) 2013, Jan Xie
+                                                  
+--]]
+
+local icons_dir    = require("lain.helpers").icons_dir
+
+local awful        = require("awful")
+local beautiful    = require("beautiful")
+local naughty      = require("naughty")
+
+local io           = io
+local tonumber     = tonumber
+
+local setmetatable = setmetatable
+
+-- task notification
+-- lain.widgets.task
+local task = {}
+local task_notification = nil
+
+function task:hide()
+    if task_notification ~= nil then
+        naughty.destroy(task_notification)
+        task_notification = nil
+    end
+end
+
+function task:show()
+    task:hide()
+
+    local f, c_text
+
+    f = io.popen('task')
+    c_text = "<tt><span font='" .. task.font .. " "
+             .. task.font_size+2 .. "'><b>Tasks next</b></span>\n"
+             .. "<span font='" .. task.font .. " "
+             .. task.font_size .. "'>"
+             .. f:read("*all") .. "\n"
+             .. "</span></tt>"
+    f:close()
+
+    task_notification = naughty.notify({ text = c_text,
+                                        icon = task.notify_icon,
+                                        position = task.position,
+                                        fg = task.fg,
+                                        bg = task.bg,
+                                        timeout = task.timeout })
+end
+
+function task:add(...)
+  local f = io.popen("task add " .. ...)
+  c_text = "<tt><span font='" .. task.font .. " "
+           .. task.font_size .. "'>"
+           .. f:read("*all") .. "\n"
+           .. "</span></tt>"
+
+  naughty.notify({ text = c_text,
+                   icon = task.notify_icon,
+                   position = task.position,
+                   fg = task.fg,
+                   bg = task.bg,
+                   timeout = task.timeout})
+end
+
+function task:prompt_add()
+  awful.prompt.run( { prompt = "Add task: " },
+                    mypromptbox[mouse.screen].widget,
+                    function (...)
+                      task:add(...)
+                    end,
+                    nil,
+                    awful.util.getdir("cache") .. "/history_task_add")
+end
+
+function task:execute(...)
+  local f = io.popen("task " .. ...)
+  c_text = "<tt><span font='" .. task.font .. " "
+           .. task.font_size .. "'>"
+           .. f:read("*all") .. "\n"
+           .. "</span></tt>"
+
+  naughty.notify({ text = c_text,
+                   icon = task.notify_icon,
+                   position = task.position,
+                   fg = task.fg,
+                   bg = task.bg,
+                   timeout = task.timeout})
+end
+
+function task:prompt()
+  awful.prompt.run( { prompt = "Task: " },
+                    mypromptbox[mouse.screen].widget,
+                    function (...)
+                      task:execute(...)
+                    end,
+                    nil,
+                    awful.util.getdir("cache") .. "/history_task")
+end
+
+function task:attach(widget, args)
+    local args = args or {}
+    task.font_size = tonumber(args.font_size) or 12
+    task.font = beautiful.font:sub(beautiful.font:find(""),
+                beautiful.font:find(" "))
+    task.fg = args.fg or beautiful.fg_normal or "#FFFFFF"
+    task.bg = args.bg or beautiful.bg_normal or "#FFFFFF"
+    task.position = args.position or "top_right"
+    task.timeout = args.timeout or 7
+
+    task.notify_icon = icons_dir .. "taskwarrior.png"
+
+    widget:connect_signal("mouse::enter", function () task:show() end)
+    widget:connect_signal("mouse::leave", function () task:hide() end)
+    widget:buttons(awful.util.table.join( awful.button({ }, 1, function ()
+                                              task:show(0, -1) end),
+                                          awful.button({ }, 3, function ()
+                                              task:show(0, 1) end) ))
+end
+
+return setmetatable(task, { __call = function(_, ...) return create(...) end })