Add MPG341CX input switcher
This commit is contained in:
@@ -525,7 +525,7 @@ bind = $hyper, R, exec, rofi-systemd
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bind = $hyper, slash, exec, toggle_taffybar
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bind = $hyper, 9, exec, start_synergy.sh
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bind = $hyper, I, exec, rofi_select_input.hs
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bind = $hyper, backslash, exec, /home/imalison/dotfiles/dotfiles/lib/functions/monitor_input toggle
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bind = $hyper, backslash, exec, /home/imalison/dotfiles/dotfiles/lib/functions/mpg341cx_input toggle
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bind = $hyper, O, exec, rofi_paswitch
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bind = $hyper, W, exec, rofi_wallpaper.sh
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bind = $hyper, Y, exec, rofi_agentic_skill
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@@ -1,93 +0,0 @@
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#!/usr/bin/env zsh
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function monitor_input_usage {
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cat <<'EOF'
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Usage:
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monitor_input [toggle|dp|usb-c|hdmi1|hdmi2]
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Switches the current DDC/CI monitor input. On the MSI MPG341CX OLED:
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dp -> DisplayPort
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usb-c -> USB-C / Type-C
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toggle -> DisplayPort <-> USB-C
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Environment:
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MONITOR_INPUT_DDC_DISPLAY ddcutil display number, default: 1
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EOF
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}
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function monitor_input_notify {
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local message="$1"
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if command -v notify-send >/dev/null 2>&1; then
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notify-send "Monitor input" "$message"
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fi
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}
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function monitor_input_current {
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local display="$1"
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ddcutil --display "$display" getvcp 60 --terse 2>/dev/null \
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| grep -Eo 'x[0-9a-fA-F]+' \
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| tail -1
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}
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function monitor_input {
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local target="${1:-toggle}"
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local display="${MONITOR_INPUT_DDC_DISPLAY:-1}"
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local value label current
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if [[ "$target" == "-h" || "$target" == "--help" ]]; then
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monitor_input_usage
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return 0
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fi
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if ! command -v ddcutil >/dev/null 2>&1; then
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echo "monitor_input: ddcutil is not available on PATH" >&2
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monitor_input_notify "ddcutil is not available"
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return 1
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fi
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case "${target:l}" in
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toggle)
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current="$(monitor_input_current "$display")"
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case "${current:l}" in
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x0f)
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target="dp"
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;;
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x10)
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target="usb-c"
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;;
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*)
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echo "monitor_input: current input is '${current:-unknown}', defaulting to DisplayPort" >&2
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target="dp"
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;;
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esac
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;;
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esac
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case "${target:l}" in
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dp|displayport|display-port)
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value="0x10"
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label="DisplayPort"
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;;
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usb-c|usbc|type-c|typec)
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value="0x0f"
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label="USB-C"
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;;
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hdmi1|hdmi-1)
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value="0x11"
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label="HDMI 1"
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;;
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hdmi2|hdmi-2)
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value="0x12"
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label="HDMI 2"
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;;
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*)
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monitor_input_usage >&2
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return 2
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;;
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esac
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monitor_input_notify "Switching to $label"
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ddcutil --display "$display" --noverify setvcp 60 "$value"
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}
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monitor_input "$@"
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271
dotfiles/lib/functions/mpg341cx_input
Executable file
271
dotfiles/lib/functions/mpg341cx_input
Executable file
@@ -0,0 +1,271 @@
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#!/usr/bin/env -S zsh -f
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function mpg341cx_input_usage {
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cat <<'EOF'
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Usage:
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mpg341cx_input [toggle|dp|usb-c|hdmi1|hdmi2]
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Switches the current DDC/CI monitor input. On the MSI MPG341CX OLED:
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dp -> DisplayPort
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usb-c -> USB-C / Type-C
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toggle -> DisplayPort <-> USB-C
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Environment:
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MPG341CX_INPUT_DDC_DISPLAY DDC display number, default: 1
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MPG341CX_INPUT_BACKEND auto, ddcutil, ddcctl, or m1ddc; default: auto
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MPG341CX_INPUT_STATE_FILE fallback toggle state file
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EOF
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}
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function mpg341cx_input_notify {
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local message="$1"
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if command -v notify-send >/dev/null 2>&1; then
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notify-send "MPG341CX input" "$message"
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elif command -v osascript >/dev/null 2>&1; then
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osascript - "$message" <<'EOF' >/dev/null 2>&1
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on run argv
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display notification (item 1 of argv) with title "MPG341CX input"
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end run
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EOF
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fi
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}
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function mpg341cx_input_backend {
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local requested="${MPG341CX_INPUT_BACKEND:-auto}"
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local candidate
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local -a candidates
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MPG341CX_INPUT_SELECTED_BACKEND=""
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if [[ "$requested" != auto ]]; then
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if command -v "$requested" >/dev/null 2>&1; then
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MPG341CX_INPUT_SELECTED_BACKEND="$requested"
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return 0
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fi
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echo "mpg341cx_input: requested backend '$requested' is not available on PATH" >&2
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return 1
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fi
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if [[ "$OSTYPE" == darwin* ]]; then
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candidates=(m1ddc ddcctl ddcutil)
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else
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candidates=(ddcutil ddcctl)
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fi
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for candidate in "${candidates[@]}"; do
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if command -v "$candidate" >/dev/null 2>&1; then
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MPG341CX_INPUT_SELECTED_BACKEND="$candidate"
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return 0
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fi
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done
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echo "mpg341cx_input: no supported DDC command is available on PATH" >&2
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return 1
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}
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function mpg341cx_input_current_ddcutil {
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local display="$1"
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local output_file
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output_file="${TMPDIR:-/tmp}/mpg341cx-input-current-$$-$RANDOM"
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ddcutil --display "$display" getvcp 60 --terse 2>/dev/null \
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| grep -Eo 'x[0-9a-fA-F]+' \
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| tail -1 > "$output_file"
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read -r MPG341CX_INPUT_CURRENT < "$output_file"
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rm -f "$output_file"
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}
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function mpg341cx_input_current_ddcctl {
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local display="$1"
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local current
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local output_file
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output_file="${TMPDIR:-/tmp}/mpg341cx-input-current-$$-$RANDOM"
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ddcctl -d "$display" -i '?' 2>/dev/null \
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| sed -nE 's/.*current: ([0-9]+).*/\1/p' \
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| tail -1 > "$output_file"
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read -r current < "$output_file"
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rm -f "$output_file"
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if [[ -n "$current" ]]; then
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printf -v MPG341CX_INPUT_CURRENT 'x%02x' "$current"
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fi
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}
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function mpg341cx_input_current_m1ddc {
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local display="$1"
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local current
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local output_file parsed_file
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output_file="${TMPDIR:-/tmp}/mpg341cx-input-current-$$-$RANDOM"
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parsed_file="${TMPDIR:-/tmp}/mpg341cx-input-parsed-$$-$RANDOM"
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m1ddc display "$display" get input > "$output_file" 2>/dev/null
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sed -nE 's/.*[^0-9]([0-9]+)$/\1/p; /^[0-9]+$/p' "$output_file" | tail -1 > "$parsed_file"
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read -r current < "$parsed_file"
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rm -f "$output_file" "$parsed_file"
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if [[ -n "$current" ]]; then
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printf -v MPG341CX_INPUT_CURRENT 'x%02x' "$current"
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fi
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}
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function mpg341cx_input_current {
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local backend="$1"
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local display="$2"
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MPG341CX_INPUT_CURRENT=""
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case "$backend" in
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ddcutil)
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mpg341cx_input_current_ddcutil "$display"
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;;
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ddcctl)
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mpg341cx_input_current_ddcctl "$display"
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;;
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m1ddc)
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mpg341cx_input_current_m1ddc "$display"
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;;
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esac
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}
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function mpg341cx_input_current_target {
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local backend="$1"
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local current="${2:l}"
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MPG341CX_INPUT_CURRENT_TARGET=""
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case "$backend:$current" in
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m1ddc:x0f|m1ddc:0x0f)
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MPG341CX_INPUT_CURRENT_TARGET="dp"
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;;
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m1ddc:x10|m1ddc:0x10)
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MPG341CX_INPUT_CURRENT_TARGET="usb-c"
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;;
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ddcutil:x0f|ddcutil:0x0f|ddcctl:x0f|ddcctl:0x0f)
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MPG341CX_INPUT_CURRENT_TARGET="usb-c"
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;;
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ddcutil:x10|ddcutil:0x10|ddcctl:x10|ddcctl:0x10)
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MPG341CX_INPUT_CURRENT_TARGET="dp"
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;;
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esac
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}
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function mpg341cx_input_state_file {
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MPG341CX_INPUT_SELECTED_STATE_FILE="${MPG341CX_INPUT_STATE_FILE:-${XDG_STATE_HOME:-$HOME/.local/state}/mpg341cx_input/input}"
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}
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function mpg341cx_input_current_state {
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local state_file
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mpg341cx_input_state_file
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state_file="$MPG341CX_INPUT_SELECTED_STATE_FILE"
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if [[ -r "$state_file" ]]; then
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read -r MPG341CX_INPUT_CURRENT_TARGET < "$state_file"
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fi
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}
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function mpg341cx_input_write_state {
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local current="$1"
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local state_file state_dir
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mpg341cx_input_state_file
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state_file="$MPG341CX_INPUT_SELECTED_STATE_FILE"
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state_dir="${state_file:h}"
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mkdir -p "$state_dir" >/dev/null 2>&1 || return 0
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print -r -- "$current" > "$state_file" 2>/dev/null || true
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}
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function mpg341cx_input {
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local target="${1:-toggle}"
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local display="${MPG341CX_INPUT_DDC_DISPLAY:-1}"
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local backend value_hex value_dec value_m1ddc label current current_target
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if [[ "$target" == "-h" || "$target" == "--help" ]]; then
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mpg341cx_input_usage
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return 0
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fi
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if ! mpg341cx_input_backend; then
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mpg341cx_input_notify "No DDC command is available"
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return 1
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fi
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backend="$MPG341CX_INPUT_SELECTED_BACKEND"
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case "${target:l}" in
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toggle)
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mpg341cx_input_current "$backend" "$display"
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current="$MPG341CX_INPUT_CURRENT"
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mpg341cx_input_current_target "$backend" "$current"
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current_target="$MPG341CX_INPUT_CURRENT_TARGET"
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if [[ -z "$current_target" ]]; then
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mpg341cx_input_current_state
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current_target="$MPG341CX_INPUT_CURRENT_TARGET"
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fi
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case "${current_target:l}" in
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dp)
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target="usb-c"
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;;
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usb-c)
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target="dp"
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;;
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*)
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echo "mpg341cx_input: current input is '${current:-unknown}', defaulting to DisplayPort" >&2
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target="dp"
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;;
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esac
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;;
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esac
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case "${target:l}" in
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dp|displayport|display-port)
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value_hex="0x10"
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value_dec="16"
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value_m1ddc="15"
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label="DisplayPort"
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target="dp"
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;;
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usb-c|usbc|type-c|typec)
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value_hex="0x0f"
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value_dec="15"
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value_m1ddc="16"
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label="USB-C"
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target="usb-c"
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;;
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hdmi1|hdmi-1)
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value_hex="0x11"
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value_dec="17"
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value_m1ddc="17"
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label="HDMI 1"
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target="hdmi1"
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;;
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hdmi2|hdmi-2)
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value_hex="0x12"
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value_dec="18"
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value_m1ddc="18"
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label="HDMI 2"
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target="hdmi2"
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;;
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*)
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mpg341cx_input_usage >&2
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return 2
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;;
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esac
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mpg341cx_input_notify "Switching to $label"
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case "$backend" in
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ddcutil)
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ddcutil --display "$display" --noverify setvcp 60 "$value_hex" || return $?
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;;
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ddcctl)
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ddcctl -d "$display" -i "$value_dec" || return $?
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;;
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m1ddc)
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m1ddc display "$display" set input "$value_m1ddc" || return $?
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;;
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esac
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mpg341cx_input_write_state "$target"
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}
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mpg341cx_input "$@"
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@@ -254,6 +254,10 @@
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homebrew = {
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enable = true;
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taps = builtins.attrNames config.nix-homebrew.taps;
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brews = [
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"ddcctl"
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"m1ddc"
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];
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casks = [
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"codex-app"
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"ghostty"
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Block a user