X-Git-Url: https://iankelling.org/git/?a=blobdiff_plain;f=laptop-xrandr;h=6701e74525d7c2203a4a03a5fc9c533596b04ec9;hb=f27b67a1dfa58b5f101bba607b2f91a73e65299e;hp=417c9f7694d71c7d9b3c956e197e031af53cf39b;hpb=50f25d1eec109c4596cfc638c9a7c98da0f0b5d0;p=distro-setup

diff --git a/laptop-xrandr b/laptop-xrandr
index 417c9f7..6701e74 100755
--- a/laptop-xrandr
+++ b/laptop-xrandr
@@ -22,19 +22,35 @@
 
 set -e; . /usr/local/lib/bash-bear; set +e
 
+# eg eDP-1 connected primary
+laptop_out=$(xrandr | awk '$3 == "primary" {print $1}')
+output=$(xrandr | grep -E "^(HDMI|DP)[^ ]* connected [0-9]" | awk '{print $1}' ||:)
 
-output=HDMI2
-output=DP1
+left_right_arg=--right-of
+if [[ $output ]]; then
+
+  # identify monitors that are always on the left.
+  if [[ $output == HDMI2 && $(sha256sum </sys/class/drm/card0-HDMI-A-2/edid | grep -oE '^.{10}') == 192efbdcef ]]; then
+    left_right_arg=--left-of
+  fi
+  if [[ $output == HDMI-1 && $(sha256sum </sys/class/drm/card1-HDMI-A-1/edid | grep -oE '^.{10}') == 7c58f9ac1e ]]; then
+    left_right_arg=--left-of
+  fi
 
-if xrandr | grep -q "^$output disconnected" &>/dev/null; then
-  xrandr --auto
-else
   xrandr --output $output --off
   sleep 2
-  xrandr --output $output --right-of eDP1 --mode 3840x2160
+  mode=$(xrandr | grep -A1 -E "^$output" | tail -n1 | awk '{print $1}')
+  # eg: 3840x2160
+  echo mode=$mode
+  xrandr --output $output $left_right_arg $laptop_out --mode $mode
 
   for i in 1 2 4 5 6 7 8 9 10; do
-    # if the workspace is already there, this will fail
+    # if the workspace is already there, this will fail.
+    # if the workspace doesn't exist yet, it fails with:
+    # ERROR: No output matched
     i3-msg '[workspace="'$i'"]' move workspace to output $output ||:
   done
+else
+  xrandr --auto
+
 fi