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`$XDG_PICTURES_DIR` is a very loosely defined thing; it's a directory where "pictures" are stored, which no clearer definition. Some people use it for photographs they take, other use it for images they save from the internet, and others use it for screenshots. Having lots of tools save their output there (anything that's an image goes there) can easily make it a kitchen sink. To work around this, use `$XDG_SCREENSHOTS_DIR` as a target directory for screenshots by default. If not-so-standard variable is unset, fall back to the previous setting; `$XDG_PICTURES_DIR`. This also drops an external dependency, which was (a) an overkill (b) not flexible enough.
128 lines
3.5 KiB
Bash
Executable file
128 lines
3.5 KiB
Bash
Executable file
#!/bin/sh
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## Grimshot: a helper for screenshots within sway
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## Requirements:
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## - `grim`: screenshot utility for wayland
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## - `slurp`: to select an area
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## - `swaymsg`: to read properties of current window
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## - `wl-copy`: clipboard utility
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## - `jq`: json utility to parse swaymsg output
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## - `notify-send`: to show notifications
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## - `mktemp`: to create a temporary file
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## Those are needed to be installed, if unsure, run `grimshot check`
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##
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## Examples:
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## `grimshot copy win` - to copy current window
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## `grimshot save area` - to select area and save it to default file (Pictures/Grimshot-$datetime.png)
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## `grimshot save screen ~/screenshot.png` - to save screenshot under ~/screenshot.png
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## `grimshot save output ~/screenshot.png` - to save screenshot under ~/screenshot.png
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## `grimshot` - usage
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## `grimshot check` - verify if tools are installed
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getTargetDirectory() {
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test -f ${XDG_CONFIG_HOME:-~/.config}/user-dirs.dirs && \
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source ${XDG_CONFIG_HOME:-~/.config}/user-dirs.dirs
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echo ${XDG_SCREENSHOTS_DIR:-${XDG_PICTURES_DIR:-$HOME}}
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}
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ACTION=${1:-usage}
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SUBJECT=${2:-screen}
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FILE=${3:-$(getTargetDirectory)/$(date +'Grimshot %Y-%m-%d %H-%M-%S.png')}
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if [ "$ACTION" = "usage" ] ; then
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echo "Usage:"
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echo " grimshot copy|save win|screen|output|area [FILE]"
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echo "Troubleshoot:"
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echo " grimshot check"
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exit
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fi
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notify() {
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notify-send -t 3000 -a grimshot "$@"
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}
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notifyOk() {
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TITLE=${2:-"Screenshot"}
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MESSAGE=${1:-"OK"}
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notify "$TITLE" "$MESSAGE"
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}
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notifyError() {
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TITLE=${2:-"Screenshot"}
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MESSAGE=${1:-"Error taking screenshot with grim"}
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notify -u critical "$TITLE" "$MESSAGE"
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}
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die() {
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MSG=${1:-Bye}
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notifyError "Error: $MSG"
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exit 2
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}
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check() {
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COMMAND=$1
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if command -v "$COMMAND" > /dev/null 2>&1; then
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RESULT="OK"
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else
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RESULT="NOT FOUND"
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fi
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echo " $COMMAND: $RESULT"
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}
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takeScreenshot() {
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FILE=$1
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GEOM=$2
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OUTPUT=$3
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if [ ! -z "$OUTPUT" ]; then
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grim -o "$OUTPUT" "$FILE" || die "Unable to invoke grim"
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elif [ -z "$GEOM" ]; then
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grim "$FILE" || die "Unable to invoke grim"
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else
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grim -g "$GEOM" "$FILE" || die "Unable to invoke grim"
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fi
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}
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if [ "$ACTION" = "check" ] ; then
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echo "Checking if required tools are installed. If something is missing, install it to your system and make it available in PATH..."
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check grim
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check slurp
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check swaymsg
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check wl-copy
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check jq
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check notify-send
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check mktemp
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exit
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elif [ "$SUBJECT" = "area" ] ; then
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GEOM=$(slurp -d)
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WHAT="Area"
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elif [ "$SUBJECT" = "win" ] ; then
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FOCUSED=$(swaymsg -t get_tree | jq -r 'recurse(.nodes[]?, .floating_nodes[]?) | select(.focused)')
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GEOM=$(echo "$FOCUSED" | jq -r '.rect | "\(.x),\(.y) \(.width)x\(.height)"')
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APP_ID=$(echo "$FOCUSED" | jq -r '.app_id')
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WHAT="$APP_ID window"
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elif [ "$SUBJECT" = "screen" ] ; then
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GEOM=""
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WHAT="Screen"
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elif [ "$SUBJECT" = "output" ] ; then
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GEOM=""
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OUTPUT=$(swaymsg -t get_outputs | jq -r '.[] | select(.focused)' | jq -r '.name')
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WHAT="$OUTPUT"
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else
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die "Unknown subject to take a screen shot from" "$SUBJECT"
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fi
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if [ "$ACTION" = "copy" ] ; then
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TMP=$(mktemp) || die "Unable to create temp file: is mktemp installed?"
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takeScreenshot "$TMP" "$GEOM" "$OUTPUT"
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wl-copy --type image/png < "$TMP" || die "Clipboard error"
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rm "$TMP"
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notifyOk "$WHAT copied to buffer"
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else
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if takeScreenshot "$FILE" "$GEOM" "$OUTPUT"; then
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TITLE="Screenshot of $SUBJECT"
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MESSAGE=$(basename "$FILE")
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notifyOk "$MESSAGE" "$TITLE"
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else
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notifyError "Error taking screenshot with grim"
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fi
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fi
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