dotfiles-pub/linux/.config/polybar/scripts/polywins.sh

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2022-02-15 21:07:11 +00:00
#!/bin/sh
# POLYWINS
# SETTINGS {{{ ---
active_text_color="$(xrdb -query | awk '/*.color7:/ { print substr($2,1) }')"
active_bg=
active_underline=
inactive_text_color="$(xrdb -query | awk '/*.cursorColor2:/ { print substr($2,1) }')"
inactive_bg=
inactive_underline=
separator=""
show="window_title" # options: window_title, window_class, window_classname
forbidden_classes="Polybar Conky Gmrun"
empty_desktop_message=""
char_limit=10
max_windows=15
char_case="normal" # normal, upper, lower
add_spaces="true"
resize_increment=16
wm_border_width=1 # setting this might be required for accurate resize position
# --- }}}
main() {
# If no argument passed...
if [ -z "$2" ]; then
# ...print new window list every time
# the active window changes or
# a window is opened or closed
xprop -root -spy _NET_CLIENT_LIST _NET_ACTIVE_WINDOW |
while IFS= read -r _; do
generate_window_list
done
# If arguments are passed, run requested on-click function
else
"$@"
fi
}
# ON-CLICK FUNCTIONS {{{ ---
raise_or_minimize() {
if [ "$(get_active_wid)" = "$1" ]; then
wmctrl -ir "$1" -b toggle,hidden
else
wmctrl -ir "$1" -b remove,hidden; wmctrl -ia "$1"
fi
}
close() {
wmctrl -ic "$1"
}
slop_resize() {
wmctrl -ia "$1"
wmctrl -ir "$1" -e "$(slop -f 0,%x,%y,%w,%h)"
}
increment_size() {
while IFS="[ .]" read -r wid ws wx wy ww wh _; do
test "$wid" != "$1" && continue
x=$(( wx - wm_border_width * 2 - resize_increment / 2 ))
y=$(( wy - wm_border_width * 2 - resize_increment / 2 ))
w=$(( ww + resize_increment ))
h=$(( wh + resize_increment ))
done <<-EOF
$(wmctrl -lG)
EOF
wmctrl -ir "$1" -e "0,$x,$y,$w,$h"
}
decrement_size() {
while IFS="[ .]" read -r wid ws wx wy ww wh _; do
test "$wid" != "$1" && continue
x=$(( wx - wm_border_width * 2 + resize_increment / 2 ))
y=$(( wy - wm_border_width * 2 + resize_increment / 2 ))
w=$(( ww - resize_increment ))
h=$(( wh - resize_increment ))
done <<-EOF
$(wmctrl -lG)
EOF
wmctrl -ir "$1" -e "0,$x,$y,$w,$h"
}
# --- }}}
# WINDOW LIST SETUP {{{ ---
active_left="%{F$active_text_color}"
active_right="%{F-}"
inactive_left="%{F$inactive_text_color}"
inactive_right="%{F-}"
separator="%{F$inactive_text_color}$separator%{F-}"
if [ -n "$active_underline" ]; then
active_left="${active_left}%{+u}%{u$active_underline}"
active_right="%{-u}${active_right}"
fi
if [ -n "$active_bg" ]; then
active_left="${active_left}%{B$active_bg}"
active_right="%{B-}${active_right}"
fi
if [ -n "$inactive_underline" ]; then
inactive_left="${inactive_left}%{+u}%{u$inactive_underline}"
inactive_right="%{-u}${inactive_right}"
fi
if [ -n "$inactive_bg" ]; then
inactive_left="${inactive_left}%{B$inactive_bg}"
inactive_right="%{B-}${inactive_right}"
fi
get_active_wid() {
active_wid=$(xprop -root _NET_ACTIVE_WINDOW)
active_wid="${active_wid#*\# }"
active_wid="${active_wid%,*}" # Necessary for XFCE
while [ ${#active_wid} -lt 10 ]; do
active_wid="0x0${active_wid#*x}"
done
echo "$active_wid"
}
get_active_workspace() {
wmctrl -d |
while IFS="[ .]" read -r number active_status _; do
test "$active_status" = "*" && echo "$number" && break
done
}
generate_window_list() {
active_workspace=$(get_active_workspace)
active_wid=$(get_active_wid)
window_count=0
on_click="$0"
# Format each window name one by one
# Space and . are both used as IFS,
# because classname and class are separated by '.'
while IFS="[ .\.]" read -r wid ws cname cls host title; do
# Don't show the window if on another workspace (-1 = sticky)
if [ "$ws" != "$active_workspace" ] && [ "$ws" != "-1" ]; then
continue
fi
# Don't show the window if its class is forbidden
case "$forbidden_classes" in
*$cls*) continue ;;
esac
# If max number of windows reached, just increment
# the windows counter
if [ "$window_count" -ge "$max_windows" ]; then
window_count=$(( window_count + 1 ))
continue
fi
# Show the user-selected window property
case "$show" in
"window_class") w_name="$cls" ;;
"window_classname") w_name="$cname" ;;
"window_title") w_name="$title" ;;
esac
# Use user-selected character case
case "$char_case" in
"lower") w_name=$(
echo "$w_name" | tr '[:upper:]' '[:lower:]'
) ;;
"upper") w_name=$(
echo "$w_name" | tr '[:lower:]' '[:upper:]'
) ;;
esac
# Truncate displayed name to user-selected limit
if [ "${#w_name}" -gt "$char_limit" ]; then
w_name="$(echo "$w_name" | cut -c1-$((char_limit-1)))"
fi
# Apply add-spaces setting
if [ "$add_spaces" = "true" ]; then
w_name=" $w_name "
fi
# Add left and right formatting to displayed name
if [ "$wid" = "$active_wid" ]; then
w_name="${active_left}${w_name}${active_right}"
else
w_name="${inactive_left}${w_name}${inactive_right}"
fi
# Add separator unless the window is first in list
if [ "$window_count" != 0 ]; then
printf "%s" "$separator"
fi
# Add on-click action Polybar formatting
printf "%s" "%{A1:$on_click raise_or_minimize $wid:}"
printf "%s" "%{A2:$on_click close $wid:}"
printf "%s" "%{A3:$on_click slop_resize $wid:}"
printf "%s" "%{A4:$on_click increment_size $wid:}"
printf "%s" "%{A5:$on_click decrement_size $wid:}"
# Print the final window name
printf "%s" "$w_name"
printf "%s" "%{A}%{A}%{A}%{A}%{A}"
window_count=$(( window_count + 1 ))
done <<-EOF
$(wmctrl -lx)
EOF
# After printing all the windows,
# print number of hidden windows
if [ "$window_count" -gt "$max_windows" ]; then
printf "%s" "+$(( window_count - max_windows ))"
fi
# Print empty desktop message if no windows are open
if [ "$window_count" = 0 ]; then
printf "%s" "$empty_desktop_message"
fi
# Print newline
echo ""
}
# --- }}}
main "$@"