134 lines
3.9 KiB
Bash
Executable File
134 lines
3.9 KiB
Bash
Executable File
#!/usr/bin/env bash
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set -euo pipefail
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# Usage:
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# Waybar exec: hyprscroll-overflow.sh
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# Waybar on-click: hyprscroll-overflow.sh --pick
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#
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# Env:
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# COLUMN_WIDTH=0.5
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# ICON=""
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# DMENU_CMD="walker --dmenu" (or: "wofi --dmenu", "rofi -dmenu", etc.)
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COLUMN_WIDTH="${COLUMN_WIDTH:-0.5}"
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ICON="${ICON:-}"
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DMENU_CMD="${DMENU_CMD:-walker --dmenu}"
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json_escape() {
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# minimal JSON string escape (quotes, backslashes, newlines, tabs, CR)
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local s="${1:-}"
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s="${s//\\/\\\\}"
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s="${s//\"/\\\"}"
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s="${s//$'\n'/\\n}"
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s="${s//$'\r'/\\r}"
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s="${s//$'\t'/\\t}"
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printf '%s' "$s"
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}
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fail_json() {
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# NOTE: errors SHOULD still show (so you notice), hence JSON output here.
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local msg="hyprscroll-overflow: ${1:-unknown error}"
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printf '{"text":"%s !","tooltip":"%s","class":"error"}\n' \
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"$(json_escape "$ICON")" "$(json_escape "$msg")"
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exit 0
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}
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need() { command -v "$1" >/dev/null 2>&1 || fail_json "$1 not in PATH"; }
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need hyprctl
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need jq
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need awk
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read -r focused_mon_id focused_ws_id < <(
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hyprctl -j monitors 2>/dev/null | jq -r '
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.[] | select(.focused==true) | "\(.id) \(.activeWorkspace.id)"
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'
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) || fail_json "failed to read focused monitor/workspace"
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[[ -n "${focused_mon_id:-}" && -n "${focused_ws_id:-}" ]] || fail_json "no focused monitor/workspace"
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# Current layout (needed for both normal + --pick paths)
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layout="$(hyprctl getoption general:layout 2>/dev/null | awk '/str:/ {print $2; exit}' || true)"
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layout="${layout:-}"
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# Collect windows (current ws + current monitor, mapped only)
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clients_json="$(hyprctl -j clients 2>/dev/null)" || fail_json "failed to read clients"
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# Click action: pick a window and focus it
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if [[ "${1:-}" == "--pick" ]]; then
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# Build menu lines: address at end so we can parse it back reliably.
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menu="$(
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jq -r --argjson ws "$focused_ws_id" --argjson mid "$focused_mon_id" '
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[ .[]
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| select(.mapped == true)
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| select(.workspace.id == $ws)
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| select(.monitor == $mid)
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| {address, class, title}
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]
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| map("[\(.class)] \(.title) \(.address)")
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| .[]
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' <<<"$clients_json"
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)" || exit 0
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[[ -n "${menu:-}" ]] || exit 0
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# shellcheck disable=SC2086
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choice="$(printf '%s\n' "$menu" | eval "$DMENU_CMD" || true)"
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[[ -n "${choice:-}" ]] || exit 0
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addr="$(awk '{print $NF}' <<<"$choice")"
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[[ "$addr" =~ ^0x[0-9a-fA-F]+$ ]] || exit 0
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hyprctl dispatch focuswindow "address:${addr}" >/dev/null 2>&1 || exit 0
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exit 0
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fi
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# Tooltip list (multiline)
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# Include a stable selector: address (hex), plus class + title for humans.
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tooltip_list="$(
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jq -r --argjson ws "$focused_ws_id" --argjson mid "$focused_mon_id" '
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[ .[]
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| select(.mapped == true)
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| select(.workspace.id == $ws)
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| select(.monitor == $mid)
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| {address, class, title}
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]
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| to_entries
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| map("\(.key+1). [\(.value.class)] \(.value.title) (\(.value.address))")
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| .[]
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' <<<"$clients_json"
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)" || fail_json "failed to build tooltip list"
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win_count="$(
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jq -r --argjson ws "$focused_ws_id" --argjson mid "$focused_mon_id" '
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[ .[]
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| select(.mapped == true)
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| select(.workspace.id == $ws)
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| select(.monitor == $mid)
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] | length
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' <<<"$clients_json"
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)" || fail_json "failed to count clients"
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max_visible="$(awk -v w="$COLUMN_WIDTH" 'BEGIN{ if (w<=0) {print 1} else {print int(1.0/w)} }')" \
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|| fail_json "awk failed"
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(( max_visible < 1 )) && max_visible=1
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overflow=$(( win_count - max_visible ))
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# IMPORTANT: hide module by outputting NOTHING (no JSON) when not relevant
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if (( overflow <= 0 )) || [[ "$layout" != "scrolling" ]]; then
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exit 0
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fi
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text="$ICON +$overflow"
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cls="overflow"
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tooltip="WS ${focused_ws_id} • ${win_count} window(s) "$'\n "
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tooltip+="Approx ${max_visible} fit (column_width=${COLUMN_WIDTH}) "$'\n"
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tooltip+="------------------------------"$'\n"
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tooltip+="${tooltip_list:-"(no windows)"}"
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printf '{"text":"%s","tooltip":"%s","class":"%s"}"$'\n' \
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"$(json_escape "$text")" \
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"$(json_escape "$tooltip")" \
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"$(json_escape "$cls")"
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