mirror of
https://github.com/tiyn/dotfiles.git
synced 2025-10-31 04:21:15 +01:00
74 lines
3.4 KiB
Bash
Executable File
74 lines
3.4 KiB
Bash
Executable File
#!/bin/sh
|
|
|
|
# A UI for detecting and selecting all displays.
|
|
# Probes xrandr for connected displays and lets user select one to use.
|
|
# User may also select "manual selection" which opens arandr.
|
|
# I plan on adding a routine from multi-monitor setups later.
|
|
|
|
twoscreen() { # If multi-monitor is selected and there are two screens.
|
|
|
|
mirror=$(printf "no\\nyes" | dmenu -i -p "Mirror displays?")
|
|
# Mirror displays using native resolution of external display and a scaled
|
|
# version for the internal display
|
|
if [ "$mirror" = "yes" ]; then
|
|
external=$(echo "$screens" | dmenu -i -p "Optimize resolution for:")
|
|
internal=$(echo "$screens" | grep -v "$external")
|
|
|
|
res_external=$(xrandr --query | sed -n "/^$external/,/\+/p" | \
|
|
tail -n 1 | awk '{print $1}')
|
|
res_internal=$(xrandr --query | sed -n "/^$internal/,/\+/p" | \
|
|
tail -n 1 | awk '{print $1}')
|
|
|
|
res_ext_x=$(echo $res_external | sed 's/x.*//')
|
|
res_ext_y=$(echo $res_external | sed 's/.*x//')
|
|
res_int_x=$(echo $res_internal | sed 's/x.*//')
|
|
res_int_y=$(echo $res_internal | sed 's/.*x//')
|
|
|
|
scale_x=$(echo "$res_ext_x / $res_int_x" | bc -l)
|
|
scale_y=$(echo "$res_ext_y / $res_int_y" | bc -l)
|
|
|
|
xrandr --output "$external" --auto --scale 1.0x1.0 \
|
|
--output "$internal" --auto --same-as "$external" \
|
|
--scale "$scale_x"x"$scale_y"
|
|
else
|
|
|
|
primary=$(echo "$screens" | dmenu -i -p "Select primary display:")
|
|
secondary=$(echo "$screens" | grep -v "$primary")
|
|
direction=$(printf "left\\nright" | dmenu -i -p "What side of $primary should $secondary be on?")
|
|
xrandr --output "$primary" --auto --scale 1.0x1.0 --output "$secondary" --"$direction"-of "$primary" --auto --scale 1.0x1.0
|
|
fi
|
|
}
|
|
|
|
morescreen() { # If multi-monitor is selected and there are more than two screens.
|
|
primary=$(echo "$screens" | dmenu -i -p "Select primary display:")
|
|
secondary=$(echo "$screens" | grep -v "$primary" | dmenu -i -p "Select secondary display:")
|
|
direction=$(printf "left\\nright" | dmenu -i -p "What side of $primary should $secondary be on?")
|
|
tertiary=$(echo "$screens" | grep -v "$primary" | grep -v "$secondary" | dmenu -i -p "Select third display:")
|
|
xrandr --output "$primary" --auto --output "$secondary" --"$direction"-of "$primary" --auto --output "$tertiary" --"$(printf "left\\nright" | grep -v "$direction")"-of "$primary" --auto
|
|
}
|
|
|
|
multimon() { # Multi-monitor handler.
|
|
case "$(echo "$screens" | wc -l)" in
|
|
1) xrandr $(echo "$allposs" | grep -v "$screens" | awk '{print "--output", $1, "--off"}' | tr '\n' ' ') ;;
|
|
2) twoscreen ;;
|
|
*) morescreen ;;
|
|
esac ;}
|
|
|
|
# Get all possible displays
|
|
allposs=$(xrandr -q | grep "connected")
|
|
|
|
# Get all connected screens.
|
|
screens=$(echo "$allposs" | grep " connected" | awk '{print $1}')
|
|
|
|
# Get user choice including multi-monitor and manual selection:
|
|
chosen=$(printf "%s\\nmulti-monitor\\nmanual selection" "$screens" | dmenu -i -p "Select display arangement:") &&
|
|
case "$chosen" in
|
|
"manual selection") arandr ; exit ;;
|
|
"multi-monitor") multimon ;;
|
|
*) xrandr --output "$chosen" --auto --scale 1.0x1.0 $(echo "$allposs" | grep -v "$chosen" | awk '{print "--output", $1, "--off"}' | tr '\n' ' ') ;;
|
|
esac
|
|
|
|
setbg # Fix background if screen size/arangement has changed.
|
|
remaps # Re-remap keys if keyboard added (for laptop bases)
|
|
pgrep -x dunst >/dev/null && killall dunst && setsid dunst & # Restart dunst to ensure proper location on screen
|