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KDE-Display-Profiles/load-display-profile.sh

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#!/usr/bin/env bash
VERBOSE=1
function log {
if [ $VERBOSE -eq 1 ]; then
echo "$@"
fi
}
set -e
# Make sure a config file was provided
if [ $# -lt 1 ]; then
echo "Usage: $0 <config file>"
exit
fi
PROFILE=$1
if [[ ! -f "$PROFILE" ]]; then
echo "Profile file not found: $PROFILE" >&2
exit 1
fi
if ! command -v jq &>/dev/null; then
echo "jq not installed!" >&2
exit 1
fi
if ! command -v kscreen-doctor &>/dev/null; then
echo "kscreen-doctor not found!" >&2
exit 1
fi
# Extract outputs list
enabled_outputs=$(jq -c '.outputs[] | select(.enabled == true)' "$PROFILE")
disabled_outputs=$(jq -c '.outputs[] | select(.enabled == false)' "$PROFILE")
outputs=$(jq -c '.outputs[]' "$PROFILE")
# Restore enabled/disabled starting with the enabled monitors
# Starting with a disabled monitor might not work if it was
# previously the only enabled monitor
function enable_outputs {
local outputs=$1
# If empty or only whitespace, return early
[[ -z "$outputs" ]] && return
while IFS= read -r out; do
id=$(echo "$out" | jq -r '.id')
log "[VAR] id:" $id
name=$(echo "$out" | jq -r '.name')
log "[VAR] name:" $name
enabled=$(echo "$out" | jq -r '.enabled')
log "[VAR] enabled:" $enabled
# Enable/disable
if [[ "$enabled" == "true" ]]; then
CMD="kscreen-doctor output.$name.enable"
log "[CMD]" $CMD
$CMD
else
CMD="kscreen-doctor output.$name.disable"
log "[CMD]" $CMD
$CMD
fi
done <<< "$outputs"
}
log "Enabling enabled outputs..."
enable_outputs "$enabled_outputs"
log "Disabling disabled outputs..."
enable_outputs "$disabled_outputs"
function load_profile_to_outputs {
local outputs=$1
# If empty or only whitespace, return early
[[ -z "$outputs" ]] && return
while IFS= read -r out; do
id=$(echo "$out" | jq -r '.id')
name=$(echo "$out" | jq -r '.name')
posx=$(echo "$out" | jq -r '.pos.x')
posy=$(echo "$out" | jq -r '.pos.y')
rotation=$(echo "$out" | jq -r '.rotation')
scale=$(echo "$out" | jq -r '.scale')
mode_id=$(echo "$out" | jq -r '.currentModeId')
# mode_name=$(echo "$out" | jq -r ".modes[] | select(.id == \"$mode_id\") | .name")
# log "[VAR] mode_name:" $mode_name
refresh_rate=$(echo "$out" | jq -r ".modes[] | select(.id == \"$mode_id\") | .refreshRate")
height=$(echo "$out" | jq -r ".modes[] | select(.id == \"$mode_id\") | .size.height")
width=$(echo "$out" | jq -r ".modes[] | select(.id == \"$mode_id\") | .size.width")
mode="${width}x${height}@${refresh_rate}"
replication_source_id=$(echo "$out" | jq -r ".replicationSource")
log "[VAR] replication_source_id: $replication_source_id"
if [ $replication_source_id -neq 0 ]; then
replication_source_name=$(echo "$outputs.[] | select(.id == \"$replication_source_id\" | .name)" )
log "[VAR] replication_source_name: $replication_source_name"
CMD="kscreen-doctor output.$"
done
log "[VAR] mode: $mode"
priority=$(echo "$out" | jq -r '.priority')
#
# Mode (Resolution + refresh)
# CMD="kscreen-doctor output.$name.mode.$mode"
CMD="kscreen-doctor output.$name.mode.$mode"
log "[CMD]" $CMD
$CMD
# Position
CMD="kscreen-doctor output.$name.position.$posx,$posy"
log "[CMD]" $CMD
$CMD
# Scale
CMD="kscreen-doctor output.$name.scale.$scale"
log "[CMD]" $CMD
$CMD
# Rotation (map from JSON names to kscreen-doctor options)
CMD=""
case "$rotation" in
"1") CMD="kscreen-doctor output.$name.rotation.normal" ;;
"2") CMD="kscreen-doctor output.$name.rotation.left" ;;
"4") CMD="kscreen-doctor output.$name.rotation.inverted" ;;
"8") CMD="kscreen-doctor output.$name.rotation.right" ;;
esac
log "[CMD]" $CMD
$CMD
# Primary / Not Primary
if [ $priority -eq 1 ]; then
CMD="kscreen-doctor output.$name.primary"
log "[CMD]" $CMD
$CMD
fi
done <<< "$outputs"
}
load_profile_to_outputs "$outputs"
clone_groups=$(jq -c '.clones[]?' "$PROFILE")
function restore_clone_groups {
local clone_groups=$1
while IFS= read -r clone; do
primary=$(echo "$clone" | jq -r '.[0]')
others=$(echo "$clone" | jq -r '.[]' | tail -n +2)
for o in $others; do
CMD="kscreen-doctor output.$o.clone.$primary"
log "[CMD]" $CMD
$CMD
done
done <<< "$clone_groups"
}
restore_clone_groups "$clone_groups"
echo "Display configuration restored."