From fea2bd24e83c90c311f4e77ccf46f1464a6f5afb Mon Sep 17 00:00:00 2001
From: Tim Keller <tjkeller.xyz>
Date: Sun, 3 Nov 2024 16:09:10 -0600
Subject: update temp widget to be fancier and other small stuff

---
 bar.lua                 | 14 +++++++++-----
 hosts/T430.lua          |  3 +++
 hosts/libreX60.lua      |  3 ++-
 util/widgets.lua        | 14 +++++++++-----
 widgets/temperature.lua | 26 ++++++++++++++++++--------
 5 files changed, 41 insertions(+), 19 deletions(-)
 create mode 100644 hosts/T430.lua

diff --git a/bar.lua b/bar.lua
index c611afc..ab6cda8 100644
--- a/bar.lua
+++ b/bar.lua
@@ -17,6 +17,7 @@ local spacing = 8
 local separator = { widget = wibox.widget.separator, opacity = 0 }
 
 local widgets = {
+	temperature_file = nil;
 	spacing = spacing, -- constant
 	layoutlist = wibox.widget {
 		layout = wibox.layout.fixed.horizontal,
@@ -47,15 +48,14 @@ local widgets = {
 		},
 		separator,
 	} end,
-	textclock = wibox.widget.textclock("%A, %B %e, %-I:%M %p"),
-	cpu = wibox.widget {
+	textclock = wibox.widget.textclock("%A, %B %-e, %-I:%M %p"),
+	cpu = {
 		layout = wibox.layout.fixed.horizontal,
 		wibox.widget.textbox "CPU: ",
 		widget_cpu_usage,
 		wibox.widget.textbox "% ",
-		widget_temperature "/sys/class/hwmon/hwmon2/temp1_input", -- FIXME
-		wibox.widget.textbox "°",
 	},
+	temp = widget_temperature(),
 	ram = {
 		layout = wibox.layout.fixed.horizontal,
 		wibox.widget.textbox "RAM: ",
@@ -101,7 +101,11 @@ function widgets.right_widgets(s) return wibox.widget {
 	{
 		layout = wibox.layout.fixed.horizontal,
 		spacing = spacing,
-		widgets.cpu,
+		{
+			layout = wibox.layout.fixed.horizontal,
+			widgets.cpu,
+			widgets.temp,
+		},
 		widgets.ram,
 		widgets.vol,
 		widgets.bat,
diff --git a/hosts/T430.lua b/hosts/T430.lua
new file mode 100644
index 0000000..c268fca
--- /dev/null
+++ b/hosts/T430.lua
@@ -0,0 +1,3 @@
+local bar_widgets = require("bar")
+
+bar_widgets.temp.file = "/sys/class/hwmon/hwmon0/temp1_input"
diff --git a/hosts/libreX60.lua b/hosts/libreX60.lua
index 3ce5619..294c1a1 100644
--- a/hosts/libreX60.lua
+++ b/hosts/libreX60.lua
@@ -1,4 +1,5 @@
 local wibox = require("wibox")
 local bar_widgets = require("bar")
 
-bar_widgets.textclock.format = "%a, %b %e, %-H:%M"
+bar_widgets.textclock.format = "%a, %b %-e, %-H:%M"
+bar_widgets.temp.file = "/sys/class/hwmon/hwmon2/temp1_input"
diff --git a/util/widgets.lua b/util/widgets.lua
index 301f25b..eae351d 100644
--- a/util/widgets.lua
+++ b/util/widgets.lua
@@ -3,17 +3,21 @@ local gears = require("gears")
 
 local widgets = {}
 
-function widgets.watchfn(callback, timeout, base_widget)
-	local widget = (base_widget or wibox.widget.textbox)()
-	gears.timer({
+function widgets.add_timer(w, callback, timeout)
+	w._timer = gears.timer({
 		timeout = timeout or 5,
 		call_now = true,
 		autostart = true,
 		callback = function()
-			callback(widget)
+			callback(w)
 		end
 	})
-	return widget
+	return w
+end
+
+function widgets.watchfn(callback, timeout, base_widget)
+	local widget = (base_widget or wibox.widget.textbox)()
+	return widgets.add_timer(widget, callback, timeout)
 end
 
 return widgets
diff --git a/widgets/temperature.lua b/widgets/temperature.lua
index a30e1ed..867e7c4 100644
--- a/widgets/temperature.lua
+++ b/widgets/temperature.lua
@@ -1,15 +1,20 @@
 local wibox = require("wibox")
-local widgets = require("util.widgets")
+local widgets_util = require("util.widgets")
+local gears = require("gears")
 
+local temperature = {}
 
-local linux = { file = nil }
-function linux.temperature(widget)
-	-- read meminfo
-	local tempf = io.open(linux.file)
+function temperature:set_file(file)
+	self._private.file = file
+	self._timer:emit_signal("timeout")
+end
+
+function linux_update(widget)
+	local tempf = io.open(widget._private.file)
 	if tempf then
 		local temp = tempf:read() / 1000
 		tempf:close()
-		widget:set_text(math.floor(temp))
+		widget:set_text(string.format(widget._private.format, temp))
 	else
 		widget:set_text("err")
 	end
@@ -18,8 +23,13 @@ end
 -- return correct widget for os
 if osname == "Linux" then
 	return function(file)
-		linux.file = file
-		return widgets.watchfn(linux.temperature, 5)
+		local w = wibox.widget.textbox()
+		gears.table.crush(w, temperature, true)
+		w._private.file = file or ""
+		w._private.format = "%d°"
+		widgets_util.add_timer(w, linux_update, 5)
+		--return widgets.watchfn(linux.temperature, 5)
+		return w
 	end
 end
 
-- 
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