making awesome more awesome

awesome/widget/window-effects/blur-strength-slider.lua

@@ -0,0 +1,141 @@
+local wibox = require('wibox')
+local gears = require('gears')
+local awful = require('awful')
+local beautiful = require('beautiful')
+
+local dpi = beautiful.xresources.apply_dpi
+
+local start_up = true
+
+local icons = require('theme.icons')
+
+local slider = wibox.widget {
+	nil,
+	{
+		id 					= 'blur_strength_slider',
+		bar_shape           = gears.shape.rounded_rect,
+		bar_height          = dpi(2),
+		bar_color           = '#ffffff20',
+		bar_active_color	= '#f2f2f2EE',
+		handle_color        = '#ffffff',
+		handle_shape        = gears.shape.circle,
+		handle_width        = dpi(15),
+		handle_border_color = '#00000012',
+		handle_border_width = dpi(1),
+		maximum				= 100,
+		widget              = wibox.widget.slider,
+	},
+	nil,
+	expand = 'none',
+	layout = wibox.layout.align.vertical
+}
+
+local blur_slider = slider.blur_strength_slider
+
+
+local update_slider_value = function()
+
+	awful.spawn.easy_async_with_shell(
+		[[bash -c "
+		grep -F 'strength =' $HOME/.config/awesome/configuration/picom.conf | 
+		awk 'NR==1 {print $3}' | tr -d ';'
+		"]],
+		function(stdout, stderr)
+			local strength = stdout:match('%d+')
+			blur_strength = tonumber(strength) / 20 * 100
+			blur_slider:set_value(tonumber(blur_strength))
+			start_up = false
+		end
+	)
+end
+
+update_slider_value()
+
+local adjust_blur = function(power)
+
+	awful.spawn.with_shell(
+		[[bash -c "
+		sed -i 's/.*strength = .*/    strength = ]] .. power .. [[;/g' \
+		$HOME/.config/awesome/configuration/picom.conf
+		"]]
+	)
+end
+
+blur_slider:connect_signal(
+	'property::value',
+	function()
+		if not start_up then
+			strength = blur_slider:get_value() / 50 * 10
+			adjust_blur(strength)
+		end
+	end
+)
+
+-- Adjust slider value to change blur strength
+awesome.connect_signal(
+	'widget::blur:increase',
+	function() 
+
+		-- On startup, the slider.value returns nil so...
+		if blur_slider:get_value() == nil then
+			return
+		end
+	 
+		local blur_value = blur_slider:get_value() + 10
+
+		-- No more than 100!
+		if blur_value > 100 then
+			blur_slider:set_value(100)
+			return
+		end
+
+		blur_slider:set_value(blur_value)
+	end
+)
+
+-- Decrease blur
+awesome.connect_signal(
+	'widget::blur:decrease',
+	function() 
+	
+		-- On startup, the slider.value returns nil so...
+		if blur_slider:get_value() == nil then
+			return
+		end
+
+		local blur_value = blur_slider:get_value() - 10
+
+		-- No negatives!
+		if blur_value < 0 then
+			blur_slider:set_value(0)
+			return
+		end
+
+		blur_slider:set_value(blur_value)
+	end
+)
+
+local blur_slider_setting = wibox.widget {
+	{
+		{
+			{
+				image = icons.effects,
+				resize = true,
+				widget = wibox.widget.imagebox
+			},
+			top = dpi(12),
+			bottom = dpi(12),
+			widget = wibox.container.margin
+		},
+		slider,
+		spacing = dpi(24),
+		layout = wibox.layout.fixed.horizontal
+
+	},
+	left = dpi(24),
+	right = dpi(24),
+	forced_height = dpi(48),
+	widget = wibox.container.margin
+}
+
+return blur_slider_setting