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Improve MPG341CX input toggle detection

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This commit is contained in:
Ivan Malison
2026-04-26 21:25:17 -07:00
parent c3c0d54da4
commit f15aea9a9c
1 changed files with 44 additions and 30 deletions
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74
dotfiles/lib/functions/mpg341cx_input
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@@ -13,7 +13,8 @@ Switches the current DDC/CI monitor input. On the MSI MPG341CX OLED:
Environment:
MPG341CX_INPUT_DDC_DISPLAY DDC display number, default: 1
MPG341CX_INPUT_BACKEND auto, ddcutil, ddcctl, or m1ddc; default: auto
MPG341CX_INPUT_STATE_FILE fallback toggle state file
MPG341CX_INPUT_DARWIN_DISPLAY_NAME
macOS display name used to infer USB-C state
EOF
}
@@ -128,6 +129,47 @@ function mpg341cx_input_current {
esac
}
function mpg341cx_input_current_darwin_active {
local display_name="${MPG341CX_INPUT_DARWIN_DISPLAY_NAME:-MPG341CX OLED}"
MPG341CX_INPUT_CURRENT_TARGET=""
if [[ "$OSTYPE" != darwin* ]] || ! command -v system_profiler >/dev/null 2>&1; then
return 1
fi
if system_profiler SPDisplaysDataType 2>/dev/null | awk -v display_name="$display_name" '
{
line = $0
trimmed = line
gsub(/^[[:space:]]+|[[:space:]]+$/, "", trimmed)
if (trimmed == display_name ":") {
in_display = 1
next
}
if (in_display && line ~ /^ [^[:space:]].*:[[:space:]]*$/) {
exit
}
if (in_display && trimmed == "Online: Yes") {
found = 1
exit
}
}
END {
exit(found ? 0 : 1)
}
'; then
MPG341CX_INPUT_CURRENT_TARGET="usb-c"
return 0
fi
return 1
}
function mpg341cx_input_current_target {
local backend="$1"
local current="${2:l}"
@@ -149,32 +191,6 @@ function mpg341cx_input_current_target {
esac
}
function mpg341cx_input_state_file {
MPG341CX_INPUT_SELECTED_STATE_FILE="${MPG341CX_INPUT_STATE_FILE:-${XDG_STATE_HOME:-$HOME/.local/state}/mpg341cx_input/input}"
}
function mpg341cx_input_current_state {
local state_file
mpg341cx_input_state_file
state_file="$MPG341CX_INPUT_SELECTED_STATE_FILE"
if [[ -r "$state_file" ]]; then
read -r MPG341CX_INPUT_CURRENT_TARGET < "$state_file"
fi
}
function mpg341cx_input_write_state {
local current="$1"
local state_file state_dir
mpg341cx_input_state_file
state_file="$MPG341CX_INPUT_SELECTED_STATE_FILE"
state_dir="${state_file:h}"
mkdir -p "$state_dir" >/dev/null 2>&1 || return 0
print -r -- "$current" > "$state_file" 2>/dev/null || true
}
function mpg341cx_input {
local target="${1:-toggle}"
local display="${MPG341CX_INPUT_DDC_DISPLAY:-1}"
@@ -198,7 +214,7 @@ function mpg341cx_input {
mpg341cx_input_current_target "$backend" "$current"
current_target="$MPG341CX_INPUT_CURRENT_TARGET"
if [[ -z "$current_target" ]]; then
mpg341cx_input_current_state
mpg341cx_input_current_darwin_active
current_target="$MPG341CX_INPUT_CURRENT_TARGET"
fi
case "${current_target:l}" in
@@ -264,8 +280,6 @@ function mpg341cx_input {
m1ddc display "$display" set input "$value_m1ddc" || return $?
;;
esac
mpg341cx_input_write_state "$target"
}
mpg341cx_input "$@"