q3aql/pfetch
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pfetch: expand

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This commit is contained in:
Dylan Araps 2019-09-24 20:17:57 +03:00
parent e83c8da065
commit b7be211b13
1 changed files with 30 additions and 29 deletions
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59
pfetch
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@ -55,27 +55,25 @@ log() {
# $[1]
#
# $[6] /home/goldie $
#
# '$PF_COL1': Control color of info name.
# '$PF_SEP': Control the separator between info name and info data.
# '$PF_COL2': Control color of info data.
# '$PF_ALIGN': Control the alignment amount.
#
# '[14C': Move cursor 14 characters to the right.
# TODO: Base this on ASCII art width.
#
# '[3%s': Color formatting.
# '[m': Reset formatting.
#
# '[%sD': Move cursor '${#1}' characters to the left.
# This allows for aligned info names and data.
#
# '[6C': Move cursor 6 characters to the right.
# This aligns the info.
printf '[%sC[3%s;1m%s%s[3%sm[%sD[%sC%s\n' \
"${ascii_width--1}" "${PF_COL1-4}" "$1" \
"$PF_SEP" "${PF_COL2-7}" "${#1}" \
"${PF_ALIGN-$info_length}" "$2"
# Move the cursor to the right, the width of the ascii art with an
# additional gap for text spacing.
printf '[%sC' "${ascii_width--1}"
# Print the info name and color the text.
printf '[3%s;1m%s' "${PF_COL1-4}" "$1"
# Print the info name and info data separator.
printf '%s' "$PF_SEP"
# Move the cursor backward the length of the *current* info name and
# then move it forwards the length of the *longest* info name. This
# aligns each info data line.
printf '[%sD[%sC' "${#1}" "${PF_ALIGN-$info_length}"
# Print the info data, color it and strip all leading whitespace
# from the string.
printf '[3%sm%s\n' "${PF_COL2-7}" "${2#${2%%[![:space:]]*}}"
# Keep track of the number of times 'log()' has been run.
: $((info_height+=1))
@ -443,6 +441,11 @@ get_ascii() {
}
main() {
# Leave the terminal how we found it on exit or Ctrl+C.
# '[?7h': Enable line-wrapping.
# '[?25h': Un-hide the cursor.
trap 'printf [?7h[?25h' EXIT INT
# Hide 'stderr' unless the first argument is '-v'. This saves
# polluting the script with '2>/dev/null'.
[ "$1" = -v ] || exec 2>/dev/null
@ -497,14 +500,12 @@ main() {
# Position the cursor below both the ascii art and information lines
# according to the height of both. If the information exceeds the ascii
# art in height, don't touch the cursor, else move it down N lines.
#
# 'log' contains the amount of 'get_' info lines that were printed.
#
# '[?7h': Enable line-wrapping.
# '[%sB': Move the cursor down N lines.
# '[?25h': Un-hide the cursor.
printf '[?7h[%sB\n[?25h' \
"$((info_height > ascii_height ? 0 : ascii_height - info_height))"
cursor_pos=$((info_height > ascii_height ? 0 : ascii_height - info_height))
# Print '$cursor_pos' amount of newlines. Using cursor down doesn't scroll
# the screen correctly if this causes the cursor to hit the bottom of the
# window. Using '0' gives us an extra iteration, adding a bottom line gap.
printf '%0.s\n' $(seq 0 "$cursor_pos")
}
main "$@"