util/separators.lua

   1 --[[
   2
   3      Licensed under GNU General Public License v2
   4       * (c) 2015, Luca CPZ
   5       * (c) 2015, plotnikovanton
   6
   7 --]]
   8
   9 local wibox     = require("wibox")
  10 local gears     = require("gears")
  11
  12 -- Lain Cairo separators util submodule
  13 -- lain.util.separators
  14 local separators = { height = 0, width = 9 }
  15
  16 -- [[ Arrow
  17
  18 -- Right
  19 function separators.arrow_right(col1, col2)
  20     local widget = wibox.widget.base.make_widget()
  21     widget.col1 = col1
  22     widget.col2 = col2
  23
  24     widget.fit = function(m, w, h)
  25         return separators.width, separators.height
  26     end
  27
  28     widget.update = function(col1, col2)
  29         widget.col1 = col1
  30         widget.col2 = col2
  31         widget:emit_signal("widget::redraw_needed")
  32     end
  33
  34     widget.draw = function(mycross, wibox, cr, width, height)
  35         if widget.col2 ~= "alpha" then
  36             cr:set_source_rgb(gears.color.parse_color(widget.col2))
  37             cr:new_path()
  38             cr:move_to(0, 0)
  39             cr:line_to(width, height/2)
  40             cr:line_to(width, 0)
  41             cr:close_path()
  42             cr:fill()
  43
  44             cr:new_path()
  45             cr:move_to(0, height)
  46             cr:line_to(width, height/2)
  47             cr:line_to(width, height)
  48             cr:close_path()
  49             cr:fill()
  50         end
  51
  52         if widget.col1 ~= "alpha" then
  53             cr:set_source_rgb(gears.color.parse_color(widget.col1))
  54             cr:new_path()
  55             cr:move_to(0, 0)
  56             cr:line_to(width, height/2)
  57             cr:line_to(0, height)
  58             cr:close_path()
  59             cr:fill()
  60         end
  61    end
  62
  63    return widget
  64 end
  65
  66 -- Left
  67 function separators.arrow_left(col1, col2)
  68     local widget = wibox.widget.base.make_widget()
  69     widget.col1 = col1
  70     widget.col2 = col2
  71
  72     widget.fit = function(m, w, h)
  73         return separators.width, separators.height
  74     end
  75
  76     widget.update = function(col1, col2)
  77         widget.col1 = col1
  78         widget.col2 = col2
  79         widget:emit_signal("widget::redraw_needed")
  80     end
  81
  82     widget.draw = function(mycross, wibox, cr, width, height)
  83         if widget.col1 ~= "alpha" then
  84             cr:set_source_rgb(gears.color.parse_color(widget.col1))
  85             cr:new_path()
  86             cr:move_to(width, 0)
  87             cr:line_to(0, height/2)
  88             cr:line_to(0, 0)
  89             cr:close_path()
  90             cr:fill()
  91
  92             cr:new_path()
  93             cr:move_to(width, height)
  94             cr:line_to(0, height/2)
  95             cr:line_to(0, height)
  96             cr:close_path()
  97             cr:fill()
  98         end
  99
 100         if widget.col2 ~= "alpha" then
 101             cr:new_path()
 102             cr:move_to(width, 0)
 103             cr:line_to(0, height/2)
 104             cr:line_to(width, height)
 105             cr:close_path()
 106
 107             cr:set_source_rgb(gears.color.parse_color(widget.col2))
 108             cr:fill()
 109         end
 110    end
 111
 112    return widget
 113 end
 114
 115 -- ]]
 116
 117 return separators