Initial commit

lib/lain/util/separators.lua

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+--[[
+
+     Licensed under GNU General Public License v2
+      * (c) 2015, Luca CPZ
+      * (c) 2015, plotnikovanton
+
+--]]
+
+local wibox = require('wibox')
+local gears = require('gears')
+local beautiful = require('beautiful')
+
+-- Lain Cairo separators util submodule
+-- lain.util.separators
+local separators = { height = beautiful.separators_height or 0, width = beautiful.separators_width or 9 }
+
+-- [[ Arrow
+
+-- Right
+function separators.arrow_right(col1, col2)
+	local widget = wibox.widget.base.make_widget()
+	widget.col1 = col1
+	widget.col2 = col2
+
+	widget.fit = function(_, _, _)
+		return separators.width, separators.height
+	end
+
+	widget.update = function(_, _)
+		widget.col1 = col1
+		widget.col2 = col2
+		widget:emit_signal('widget::redraw_needed')
+	end
+
+	widget.draw = function(_, _, cr, width, height)
+		if widget.col2 ~= 'alpha' then
+			cr:set_source_rgba(gears.color.parse_color(widget.col2))
+			cr:new_path()
+			cr:move_to(0, 0)
+			cr:line_to(width, height / 2)
+			cr:line_to(width, 0)
+			cr:close_path()
+			cr:fill()
+
+			cr:new_path()
+			cr:move_to(0, height)
+			cr:line_to(width, height / 2)
+			cr:line_to(width, height)
+			cr:close_path()
+			cr:fill()
+		end
+
+		if widget.col1 ~= 'alpha' then
+			cr:set_source_rgba(gears.color.parse_color(widget.col1))
+			cr:new_path()
+			cr:move_to(0, 0)
+			cr:line_to(width, height / 2)
+			cr:line_to(0, height)
+			cr:close_path()
+			cr:fill()
+		end
+	end
+
+	return widget
+end
+
+-- Left
+function separators.arrow_left(col1, col2)
+	local widget = wibox.widget.base.make_widget()
+	widget.col1 = col1
+	widget.col2 = col2
+
+	widget.fit = function(_, _, _)
+		return separators.width, separators.height
+	end
+
+	widget.update = function(c1, c2)
+		widget.col1 = c1
+		widget.col2 = c2
+		widget:emit_signal('widget::redraw_needed')
+	end
+
+	widget.draw = function(_, _, cr, width, height)
+		if widget.col1 ~= 'alpha' then
+			cr:set_source_rgba(gears.color.parse_color(widget.col1))
+			cr:new_path()
+			cr:move_to(width, 0)
+			cr:line_to(0, height / 2)
+			cr:line_to(0, 0)
+			cr:close_path()
+			cr:fill()
+
+			cr:new_path()
+			cr:move_to(width, height)
+			cr:line_to(0, height / 2)
+			cr:line_to(0, height)
+			cr:close_path()
+			cr:fill()
+		end
+
+		if widget.col2 ~= 'alpha' then
+			cr:new_path()
+			cr:move_to(width, 0)
+			cr:line_to(0, height / 2)
+			cr:line_to(width, height)
+			cr:close_path()
+
+			cr:set_source_rgba(gears.color.parse_color(widget.col2))
+			cr:fill()
+		end
+	end
+
+	return widget
+end
+
+-- ]]
+
+return separators