displayselect improved, dmenu dox added

.config/i3/i3_guide.rmd

@@ -133,12 +133,9 @@ I use scrot and ffmpeg to make different recordings of the desktop and audio. Al
 
 + Print Screen -- Take a scrot screenshot
 + Shift+Print Screen -- Take a scrot screenshot of only selected window
-+ Mod+Insert -- Begin screencast
-+ Mod+ScrollLock -- Begin audio recording
-+ Mod+Pause -- Begin screen recording without audio
-+ Mod+Print Screen -- Turn on and off screenkey (if installed) for visual typing display
++ Mod+Print Screen -- Opens dmenu menu to select kind of audio/video recording
++ Mod+ScrollLock -- Turn on and off screenkey (if installed) for visual typing display
 + Mod+Delete -- kills ffmpeg, thus ending recordings
-+ ThinkVantage button (on Thinkpads) -- kills ffmpeg, thus ending recordings
 
 Each of the recording scripts are located in `~/.scripts`. You can check them out or modify them if needed.
 

.scripts/displayselect

@@ -2,8 +2,7 @@
 
 choices="laptop\nlaptopdual\nVGA\nHDMI\nManual selection"
 
-chosen=$(echo -e "$choices" | dmenu -i
-)
+chosen=$(echo -e "$choices" | dmenu -i)
 
 case "$chosen" in
 	laptopdual) xrandr --output LVDS-1 --auto --output VGA-1 --auto --right-of LVDS-1 ;;
@@ -13,4 +12,5 @@ case "$chosen" in
 	"Manual selection") arandr ;;
 esac
 
-polybar_launch
+# Relaunch polybar if there was a selection.
+[ "$chosen" == "" ] || polybar_launch