50 lines
2.3 KiB
Bash
Executable file
50 lines
2.3 KiB
Bash
Executable file
#!/bin/sh
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# A UI for detecting and selecting all displays.
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# Probes xrandr for connected displays and lets user select one to use.
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# User may also select "manual selection" which opens arandr.
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# I plan on adding a routine from multi-monitor setups later.
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twoscreen() { # If multi-monitor is selected and there are two screens.
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primary=$(echo "$screens" | dmenu -i -p "asdf")
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secondary=$(echo "$screens" | grep -v "$primary")
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direction=$(printf "left\\nright" | dmenu -i -p "What side of $primary should $secondary be on?")
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xrandr --output "$primary" --auto --output "$secondary" --"$direction"-of "$primary" --auto
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}
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morescreen() { # If multi-monitor is selected and there are more than two screens.
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primary=$(echo "$screens" | dmenu -i -p "asdf")
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secondary=$(echo "$screens" | grep -v "$primary" | dmenu -i -p "Select secondary display:")
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direction=$(printf "left\\nright" | dmenu -i -p "What side of $primary should $secondary be on?")
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tertiary=$(echo "$screens" | grep -v "$primary" | grep -v "$secondary" | dmenu -i -p "Select third display:")
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xrandr --output "$primary" --auto --output "$secondary" --"$direction"-of "$primary" --auto --output "$tertiary" --"$(printf "left\\nright" | grep -v "$direction")"-of "$primary" --auto
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}
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multimon() { # Multi-monitor handler.
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case "$(echo "$screens" | wc -l)" in
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2) twoscreen ;;
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*) morescreen ;;
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esac ;}
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# Get all possible displays
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allposs=$(xrandr -q | grep "connected")
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# Get all connected screens.
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screens=$(echo "$allposs" | grep " connected" | awk '{print $1}')
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# If only one screen, activate it and exit.
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[ "$(echo "$screens" | wc -l)" -lt 2 ] && xrandr $(echo "$allposs" | awk '{print "--output", $1, "--auto"}' | tr '\n' ' ') ||
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# Get user choice including multi-monitor and manual selection:
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chosen=$(printf "%s\\nmulti-monitor\\nmanual selection" "$screens" | dmenu -i -p "Select display arangement:") &&
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case "$chosen" in
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"manual selection") arandr ; exit ;;
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"multi-monitor") multimon ;;
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*) xrandr --output "$chosen" --auto $(echo "$screens" | grep -v "$chosen" | awk '{print "--output", $1, "--off"}' | tr '\n' ' ') ;;
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esac
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# Fix feh background if screen size/arangement has changed.
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feh --bg-scale "$HOME/.config/wall.png"
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# Polybar users will want to uncomment this line, which reactivates polybar on all new displays:
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#polybar_launch
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