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refactor settrans

This commit is contained in:
Christopher Jeffrey 2012-03-31 23:54:42 -05:00
parent 24bf591bd7
commit d52f7a06db
1 changed files with 26 additions and 15 deletions
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41
bin/settrans
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@ -1,21 +1,21 @@
#!/bin/bash #!/bin/bash
# transset in a bash script # transset in a bash script
# copyright (c) 2011-2012, christopher jeffrey # Copyright (c) 2011-2012, Christopher Jeffrey
# usage: # Usage:
# by window id # by window id
#trans -w "$WINDOWID" -o 75 # settrans -w "$WINDOWID" -o 75
# by name # by name
#trans -n "urxvt" -o 75 # settrans -n "urxvt" -o 75
# by current window # by current window
#trans -c -o 75 # settrans -c -o 75
# by selection # by selection
#trans -s -o 75 # settrans -s -o 75
# increment current window 5% # increment current window 5%
#trans -c -o +5 # settrans -c -o +5
if [ -z "$(which xprop)" -o -z "$(which xwininfo)" ]; then if test -z "$(which xprop)" -o -z "$(which xwininfo)"; then
echo "Please install x11-utils/xorg-xprop/xorg-xwininfo." >&2 echo "Please install x11-utils/xorg-xprop/xorg-xwininfo." >&2
exit 1 exit 1
fi fi
@ -46,34 +46,45 @@ root=$(xwininfo -all -root \
| sed 's/^.*\(0x\S*\).*$/\1/') | sed 's/^.*\(0x\S*\).*$/\1/')
parent=$window parent=$window
while [ true ]; do i=0
while true; do
parent=$(xwininfo -all $parent \ parent=$(xwininfo -all $parent \
| grep Parent \ | grep Parent \
| sed 's/^.*\(0x\S*\).*$/\1/') | sed 's/^.*\(0x\S*\).*$/\1/')
if [ "$parent" = "$root" ]; then if [ "$parent" = "$root" ]; then
break break
fi fi
parent="-id $parent" parent="-id $parent"
window=$parent window=$parent
i=$((i+1))
if test $i -ge 1000; then
echo "An error occurred while traversing up the window tree." >&2
echo "Please report this to https://github.com/chjj/compton/issues." >&2
echo "Please mention your WM and versions of xwininfo/xprop." >&2
exit 1
fi
done done
inc=$(echo "$opacity" | sed 's/^\(+\|-\).*$\|^.*$/\1/') inc=$(echo "$opacity" | sed 's/^\(+\|-\).*$\|^.*$/\1/')
if [ -n "$inc" ]; then if test -n "$inc"; then
cur=$(xprop $window -notype "_NET_WM_WINDOW_OPACITY" \ cur=$(xprop $window -notype "_NET_WM_WINDOW_OPACITY" \
| sed 's/^.*\b\([0-9]\+\).*$\|^.*$/\1/') | sed 's/^.*\b\([0-9]\+\).*$\|^.*$/\1/')
[ -z "$cur" ] && cur=$((0xffffffff)) test -z "$cur" && cur=$((0xffffffff))
cur=$((cur*100/0xffffffff)) cur=$((cur*100/0xffffffff))
opacity=$(echo "$opacity" | sed 's/\(\+\|\-\)//') opacity=$(echo "$opacity" | sed 's/\(\+\|\-\)//')
if [ "$inc" = "+" ]; then if test "$inc" = "+"; then
opacity=$((cur+opacity)) opacity=$((cur+opacity))
else else
opacity=$((cur-opacity)) opacity=$((cur-opacity))
fi fi
fi fi
if [ -n "$opacity" ] && [ -n "$window" ]; then if test -n "$opacity" -a -n "$window"; then
[ $opacity -le 0 ] && opacity=0 test $opacity -lt 0 && opacity=0
[ $opacity -ge 100 ] && opacity=100 test $opacity -gt 100 && opacity=100
opacity=$((opacity*0xffffffff/100)) opacity=$((opacity*0xffffffff/100))
xprop $window -f _NET_WM_WINDOW_OPACITY 32c \ xprop $window -f _NET_WM_WINDOW_OPACITY 32c \
-set _NET_WM_WINDOW_OPACITY "$opacity" -set _NET_WM_WINDOW_OPACITY "$opacity"