Adjust DPI, fix incorrect default variables usage in Polybar

.Xresources.laptop

@@ -0,0 +1,8 @@
+Xft.dpi: 110
+Xft.autohint: 0
+Xft.lcdfilter:  lcddefault
+Xft.hintstyle:  hintfull
+Xft.hinting: 1
+Xft.antialias: 1
+Xft.rgba: rgb
+

.config/polybar/config.d/desk

@@ -4,3 +4,6 @@ height = 27
 top_left = powermenu system-uptime-pretty player-mpris
 top_center = xwindow
 top_right = system-usb-udev alsa date
+bottom_left = i3
+bottom_center = wired-network wireless-network updates-arch-combined 
+bottom_right = temperature cpu memory filesystem-custom

.config/polybar/config.d/laptop

@@ -1,6 +1,9 @@
 [variables]
-dpi = 110
-height = 70
+dpi = 100
+height = 35
 top_left = powermenu system-uptime-pretty battery player-mpris
 top_center = xwindow
 top_right = system-usb-udev backlight pulseaudio date
+bottom_left = i3
+bottom_center = wireless-network updates-arch-combined 
+bottom_right = temperature cpu memory filesystem-custom

.config/polybar/config_common

@@ -13,9 +13,9 @@ margin-top=50
 ; Common to top and bottom bars
 [bar/common]
 width = 100%
-dpi = ${variables.dpi:90}
+dpi = ${variables.dpi}
 enable-ipc = true
-height = ${variables.height:30}
+height = ${variables.height}
 foreground = ${colors.foreground}
 background = ${colors.background}
 line-size = 3
@@ -42,9 +42,9 @@ padding-right = 10
 module-margin-left = 4
 module-margin-right = 4
 
-modules-left = ${variables.top_left:powermenu system-uptime-pretty player-mpris}
-modules-center = ${variables.top_center:xwindow}
-modules-right = ${variables.top_right:system-usb-udev alsa date}
+modules-left = ${variables.top_left}
+modules-center = ${variables.top_center}
+modules-right = ${variables.top_right}
 
 tray-position = right
 
@@ -70,9 +70,9 @@ font-2 = Symbola:size=5;1
 font-3 = MaterialIcons-Regular:size=11;4
 font-4 = Font Awesome 5 Free:style=solid:size=10;2
 
-modules-left = i3
-;modules-center =
-modules-right = wired-network wireless-network updates-arch-combined temperature cpu memory filesystem-custom
+modules-left = ${variables.bottom_left}
+modules-center = ${variables.bottom_center}
+modules-right = ${variables.bottom_right}
 
 [module/player-mpris]
 type = custom/script

README.md

@@ -67,12 +67,12 @@ However, depending on your machine you may want slightly different modules loade
 
 This can be done in `~/.config/polybar/conf.d/<env>` (see [explanation for env](#managing-divergences-between-environments)). 
 
-This is optional for now as by default, polybar will use this fallback values :
+If you want to test this setup, it will probably work with the `laptop` environnment. You can try these fallback values :
 
 ```ini
 [variables]
-dpi = 90
-height = 27
+dpi = 110
+height = 40
 top_left = powermenu system-uptime-pretty player-mpris
 top_center = xwindow
 top_right = system-usb-udev alsa date
@@ -169,6 +169,8 @@ Other times, you have a base configuration for all environment with specific add
 
 In that case, the script will create a `<config_subdir>/config` file, which contains the concatenation of `config_common` and `config.d/<env>`, the later being optional. Filenames and path are hardcoded for now.
 
+If an `above` file is found in `config.d`, the per-environment configuration will be prepended to the base configuration. This is useful for e.g. setting base variables.
+
 ### Configuration outside XDG_CONFIG_HOME, e.g. /etc
 
 Some configuration files reside in `/etc` directory, but I want to keep track of them.