add luastatus widgets

.config/htop/htoprc

@@ -1,7 +1,7 @@
 # Beware! This file is rewritten by htop when settings are changed in the interface.
 # The parser is also very primitive, and not human-friendly.
 fields=0 48 17 18 38 39 40 2 46 47 49 1 
-sort_key=1
+sort_key=38
 sort_direction=1
 hide_threads=0
 hide_kernel_threads=1

.config/i3/config

@@ -48,15 +48,16 @@ bindsym $mod+Ctrl+c exec "urxvtc -e vim $HOME/.config/i3/config"
 
 
 
-bindsym XF86AudioLowerVolume exec "amixer set Master 3Db->/dev/null"
-bindsym XF86AudioRaiseVolume exec "amixer set Master 3Db+>/dev/null"
-bindsym XF86AudioMute exec "pamixer -t;pamixer --get-volume > ~/.curr_vol"
+#bindsym XF86AudioLowerVolume exec "amixer set Master 3Db->/dev/null"
+#bindsym XF86AudioRaiseVolume exec "amixer set Master 3Db+>/dev/null"
+bindsym XF86AudioMute exec "pamixer -t"
+#;pamixer --get-volume > ~/.curr_vol"
 
 
 #change volume with  pactl
-#bindsym XF86AudioLowerVolume exec "pamixer -d 5"
+bindsym XF86AudioLowerVolume exec "pamixer -d 5"
 #";pamixer --get-volume > ~/.curr_vol"
-#bindsym XF86AudioRaiseVolume exec "pamixer -i 5"
+bindsym XF86AudioRaiseVolume exec "pamixer -i 5"
 #";pamixer --get-volume > ~/.curr_vol"
 #bindsym XF86AudioMute exec "pamixer -t;pamixer --get-volume > ~/.curr_vol"
 

.config/luastatus/alsa.lua

@@ -0,0 +1,21 @@
+function pulse()
+        local pulse_vol = io.popen('pamixer --get-volume')
+        pulse_vol:setvbuf('no')
+        repeat
+                cur_vol = pulse_vol:read("*l")
+        until
+                nil == pulse_vol:read("*l")
+        pulse_vol:close()
+        return cur_vol
+end
+
+widget = {
+    plugin = 'alsa',
+    cb = function(t)
+        if t.mute then
+            return {full_text = '[mute]', color = '#e03838'}
+        else
+            return {full_text = pulse(), color = '#718ba6'}
+        end
+    end,
+}

.config/luastatus/mem-free.lua

@@ -0,0 +1,28 @@
+mem_uev = assert(io.open('/proc/meminfo', 'r'))
+mem_uev:setvbuf('no')
+
+function get_mem_seg()
+    local result = '[-?-]'
+    mem_uev:seek('set', 0)
+    for line in mem_uev:lines() do
+        local key, value, um = string.match(line, '(.*): +(.*) +(.*)')
+        if key == 'MemFree' then
+            value = tonumber(value)
+            if um == 'kB' then
+                value = value / 1024.0 / 1024.0
+                um = 'GiB'
+            end
+            result = string.format('[%3.2f %s]', value, um)
+            break
+        end
+    end
+    return {full_text = result, color = '#af8ec3'}
+end
+
+widget = {
+    plugin = 'timer',
+    opts = {period = 2},
+    cb = function(t)
+        return {get_mem_seg()}
+    end,
+}

.config/luastatus/time-battery.lua

@@ -0,0 +1,40 @@
+bat_uev = io.open('/sys/class/power_supply/BAT0/uevent', 'r')
+if bat_uev then
+    bat_uev:setvbuf('no')
+end
+
+function get_bat_seg()
+    if not bat_uev then
+        return {full_text = '[-?-]'}
+    end
+    bat_uev:seek('set', 0) -- yes, seeking on sysfs files is OK
+    local status, capa
+    for line in bat_uev:lines() do
+        local key, value = string.match(line, '(.-)=(.*)')
+        if key == 'POWER_SUPPLY_STATUS' then
+            status = value
+        elseif key == 'POWER_SUPPLY_CAPACITY' then
+            capa = tonumber(value)
+        end
+    end
+    if status == 'Unknown' or status == 'Full' then
+        return nil
+    end
+    local sym, color = '?', '#dcdcdc'
+    if status == 'Discharging' then
+        sym = '↓'
+        color = '#dca3a3'
+    elseif status == 'Charging' then
+        sym = '↑'
+        color = '#60b48a'
+    end
+    return {full_text = string.format('[%3d%%%s]', capa, sym), color = color}
+end
+
+widget = {
+    plugin = 'timer',
+    opts = {period = 2},
+    cb = function(t)
+        return {{full_text = os.date('[%H:%M]'), color = '#dc8cc3'}, get_bat_seg()}
+    end,
+}

.config/luastatus/update-on-click.lua

@@ -0,0 +1,32 @@
+-- A Rube Goldberg machine widget that updates itself on click.
+
+fifo_path = assert(os.getenv('HOME')) .. '/.luastatus-timer-fifo'
+
+assert(0 == luastatus.rc{
+    '/bin/sh',
+    '-c',
+    'set -e; rm -f -- "$1"; mkfifo -m600 -- "$1"',
+    '',        -- this is $0
+    fifo_path, -- and this is $1
+})
+
+widget = {
+    plugin = 'timer',
+    opts = {
+        fifo = fifo_path,
+        period = 2.0,
+    },
+    cb = function(t)
+        if t == 'fifo' then
+            return {full_text = 'Thanks!'}
+        else
+            return {full_text = 'Click me'}
+        end
+    end,
+    event = function(t)
+        -- opening the FIFO for writing here may, in some rare cases, block (and doing this from
+        -- this process would lead to a deadlock), so we spawn another process to do it and do not
+        -- wait for its termination (which would also lead to a deadlock).
+        luastatus.spawn{'touch', '--', fifo_path}
+    end,
+}

.config/luastatus/xkb.lua

@@ -0,0 +1,12 @@
+widget = {
+    plugin = 'xkb',
+    cb = function(t)
+        if t.name == 'us' then
+            return {full_text = '[En]', color = '#9c9c9c'}
+        elseif t.name == 'ru(winkeys)' then
+            return {full_text = '[Ru]', color = '#eab93d'}
+        else
+            return {full_text = '[' .. t.id .. ']'}
+        end
+    end,
+}

update.sh

@@ -1,4 +1,4 @@
 #! /bin/bash
 mkdir -p .config
-cp -rv $HOME/.{bash_profile,bashrc,saf-scrypt,vimrc,Xresources,zprofile,zshrc} .
-cp -rv $HOME/.config/{compton.conf,fontconfig,htop,i3} .config/
+cp -v $HOME/.{bash_profile,bashrc,saf-scrypt,vimrc,Xresources,zprofile,zshrc} .
+cp -rv $HOME/.config/{luastatus,compton.conf,fontconfig,htop,i3} .config/