72 lines
2.4 KiB
Bash
Executable File
72 lines
2.4 KiB
Bash
Executable File
#!/bin/bash
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# blob:summary=Run the Blob screensaver using random effects from TTE.
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effect_command=$(blob-screensaver-effect) || exit 1
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effect_args() {
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local input="$HOME/.config/blob/branding/screensaver.txt"
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if [[ $effect_command == "ttfx" ]]; then
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printf '%s\n' -i "$input" --frame-rate 120 --canvas-width 0 --canvas-height 0 \
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--reuse-canvas --anchor-canvas c --anchor-text c --random-effect --no-eol \
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--no-restore-cursor
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return 0
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fi
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local effects=(
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beams binarypath blackhole bouncyballs bubbles burn colorshift crumble
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decrypt errorcorrect expand fireworks middleout orbittingvolley overflow
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pour print rain randomsequence rings scattered slice slide spotlights
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spray swarm sweep synthgrid unstable vhstape waves wipe
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)
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printf '%s\n' -i "$input" --frame-rate 120 --canvas-width 0 --canvas-height 0 \
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--anchor-canvas c --anchor-text c \
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"${effects[RANDOM % ${#effects[@]}]}"
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}
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screensaver_in_focus() {
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hyprctl activewindow -j | jq -e '.class == "org.blob.screensaver"' >/dev/null 2>&1
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}
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exit_screensaver() {
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hyprctl eval 'hl.config({ cursor = { invisible = false } })' &>/dev/null || hyprctl keyword cursor:invisible false &>/dev/null || true
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pkill -x "$effect_command" 2>/dev/null
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pkill -f '[o]rg.blob.screensaver' 2>/dev/null
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exit 0
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}
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# Exit the screensaver on signals and input from keyboard and mouse
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trap exit_screensaver SIGINT SIGTERM SIGHUP SIGQUIT
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printf '\033]11;rgb:00/00/00\007' # Set background color to black
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hyprctl eval 'hl.config({ cursor = { invisible = true } })' &>/dev/null || hyprctl keyword cursor:invisible true &>/dev/null
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tty=$(tty 2>/dev/null)
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# Terminals allocate the pty at the default 80x24 and only resize it once the
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# compositor has told the window how big it is. ttfx measures the terminal once,
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# at startup, so starting it before the resize lands sizes an 80x24 canvas and
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# paints it into the corner of a fullscreen window.
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wait_for_terminal_resize() {
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local deadline=$((SECONDS + 2))
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while ((SECONDS < deadline)) && [[ $(stty size 2>/dev/null) == "24 80" ]]; do
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sleep 0.02
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done
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}
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wait_for_terminal_resize
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while true; do
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mapfile -t effect_arguments < <(effect_args)
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"$effect_command" "${effect_arguments[@]}" &
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while pgrep -t "${tty#/dev/}" -x "$effect_command" >/dev/null; do
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if read -n1 -t 1 || ! screensaver_in_focus; then
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exit_screensaver
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fi
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done
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done
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