91 lines
4.0 KiB
Bash
Executable File
91 lines
4.0 KiB
Bash
Executable File
#!/usr/bin/env bash
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# Capture an area, active monitor, or all monitors and edit in Satty.
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set -euo pipefail
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umask 077
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fail() {
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echo "ferese-screenshot: $*" >&2
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if command -v notify-send >/dev/null; then
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notify-send --app-name=Ferese --urgency=critical 'Screenshot failed' "$*" || true
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fi
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exit 1
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}
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mode=area
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case ${1:-} in
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'') ;;
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--full) mode=full; shift ;;
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--all) mode=all; shift ;;
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--help|-h)
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echo 'Usage: ferese-screenshot [--full | --all]'
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echo 'Select an area; --full captures the active monitor; --all captures all monitors.'
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exit 0
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;;
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*) fail 'Usage: ferese-screenshot [--full | --all]' ;;
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esac
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(($# == 0)) || fail 'Usage: ferese-screenshot [--full | --all]'
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for tool in feresectl satty wl-copy flock python3; do
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command -v "$tool" >/dev/null || fail "Required command not found: $tool"
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done
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: "${XDG_RUNTIME_DIR:?A Wayland login session is required}"
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exec 9>"$XDG_RUNTIME_DIR/ferese-screenshot.lock"
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flock -n 9 || exit 0
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capture_args=()
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if [[ $mode == area ]]; then
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command -v slurp >/dev/null || fail 'Required command not found: slurp'
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# Escape cancels without creating a file or changing the clipboard.
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geometry=$(slurp) || exit 0
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[[ -n $geometry ]] || exit 0
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capture_args=(-g "$geometry")
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elif [[ $mode == full ]]; then
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# Resolve the active monitor before Satty can change keyboard focus.
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# Never fall back to an all-monitor capture when IPC is unavailable.
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geometry=$(feresectl get-outputs | python3 -c '
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import json, sys
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outputs = [output for output in json.load(sys.stdin) if output.get("enabled")]
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focused = [output for output in outputs if output.get("focused")]
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selected = focused if len(focused) == 1 else outputs if len(outputs) == 1 else []
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if len(selected) != 1 or any(selected[0].get(k) is None for k in ("x", "y", "width", "height")):
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sys.exit(1)
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print("%d,%d %dx%d" % (selected[0]["x"], selected[0]["y"], selected[0]["width"], selected[0]["height"]))
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') || fail 'Could not determine the active monitor. Use area selection or --all.'
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capture_args=(-g "$geometry")
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fi
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pictures=$(xdg-user-dir PICTURES 2>/dev/null) || pictures="$HOME/Pictures"
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directory=${pictures:-$HOME/Pictures}/Screenshots
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mkdir -p -- "$directory" || fail 'Could not create the screenshot directory.'
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file=$(mktemp "$directory/Screenshot-$(date +%Y-%m-%d_%H-%M-%S)-XXXXXX.png") || fail 'Could not create the screenshot file.'
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input=''
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trap '[[ -z $input ]] || rm -f -- "$input"; [[ -s $file ]] || rm -f -- "$file"' EXIT
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input=$(mktemp "$XDG_RUNTIME_DIR/ferese-screenshot-XXXXXX.png") || fail 'Could not create the temporary capture.'
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feresectl screenshot "${capture_args[@]}" >"$input" || fail 'Could not capture the screen. Ferese must be running, unlocked, and reachable over its socket.'
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editor_size=$(feresectl get-outputs | python3 -c '
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import json, sys
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outputs = [output for output in json.load(sys.stdin) if output.get("enabled")]
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focused = [output for output in outputs if output.get("focused")]
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selected = focused if len(focused) == 1 else outputs if len(outputs) == 1 else []
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if len(selected) != 1 or any(selected[0].get(key) is None for key in ("width", "height")):
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sys.exit(1)
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width = max(1, min(1500, round(selected[0]["width"] * 0.8)))
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height = max(1, min(920, round(selected[0]["height"] * 0.8), round(width * 0.68)))
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print(f"{width}x{height}")
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') || editor_size=1000x700
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# Enter saves the annotated image and copies it; Escape discards the capture.
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# Keep the parent lock through editing. Close it only in Satty so clipboard
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# helpers cannot inherit the lock and keep later screenshots blocked.
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satty --filename "$input" --output-filename "$file" \
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--app-id dev.ferese.Screenshot \
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--resize "$editor_size" \
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--no-window-decoration \
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--copy-command 'wl-copy --type image/png' \
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--save-after-copy \
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--actions-on-enter save-to-file,save-to-clipboard,exit \
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--actions-on-escape exit 9>&- || fail 'Could not open the screenshot in Satty.'
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if [[ -s $file ]]; then
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printf '%s\n' "$file"
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fi
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