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compton-trans: cleanup. add remove-prop option.

This commit is contained in:
Christopher Jeffrey 2013-05-04 13:48:36 -05:00
parent 054d343622
commit 25d31a1f5e
1 changed files with 21 additions and 14 deletions
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35
bin/compton-trans
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@ -25,13 +25,19 @@ if test -z "$(command -v xprop)" -o -z "$(command -v xwininfo)"; then
exit 1
fi
# Variables
wprefix=
window=
opacity=
cur=
i=
delete=
treeout=
wid=
topmost=
lineno=
# Read options
while getopts 'scn:w:o:' option; do
while getopts 'scdn:w:o:' option; do
case "$option" in
s) wprefix=''; window='' ;;
c)
@ -39,6 +45,7 @@ while getopts 'scn:w:o:' option; do
| sed 's/^.*\(0x\S*\).*$/\1/')
wprefix='-id'; window=$active
;;
d) delete=1 ;;
n) wprefix='-name'; window=$OPTARG ;;
w) wprefix='-id'; window=$OPTARG ;;
o) opacity=$OPTARG ;;
@ -50,18 +57,12 @@ done
shift $(($OPTIND - 1))
test -n "$1" && opacity=$1
# Validate opacity value
if test -z "$opacity"; then
echo 'No opacity specified.'
exit 1
fi
# clean up opacity. xargs == a poor man's trim.
opacity=$(echo "$opacity" | sed 's/%//g' | xargs)
#opacity=$(echo "$opacity" | sed 's/%//g' | sed 's/^ \+\| \+$//g')
if test -z "$opacity"; then
echo 'Invalid opacity value.'
# Validate opacity value
if test -z "$opacity" -a -z "$delete"; then
echo 'No opacity specified.'
exit 1
fi
@ -80,13 +81,13 @@ if test -z "$wid"; then
fi
# Make sure it's not root window
if echo "$treeout" | fgrep 'Parent window id: 0x0' > /dev/null; then
if echo "$treeout" | fgrep -q 'Parent window id: 0x0'; then
echo 'Cannot set opacity on root window.'
exit 1
fi
# If it's already the topmost window
if echo "$treeout" | grep 'Parent window id: 0x[[:xdigit:]]* (the root window)' > /dev/null; then
if echo "$treeout" | grep -q 'Parent window id: 0x[[:xdigit:]]* (the root window)'; then
topmost=$wid
else
# Get the whole window tree
@ -118,8 +119,14 @@ if test -z "$topmost"; then
exit 1
fi
# Remove the opacity property.
if test -n "$delete"; then
xprop -id "$topmost" -remove _NET_WM_WINDOW_OPACITY
exit 0
fi
# Calculate the desired opacity
if echo "$opacity" | grep '^[+-]' > /dev/null; then
if echo "$opacity" | grep -q '^[+-]'; then
cur=$(xprop -id "$topmost" -notype _NET_WM_WINDOW_OPACITY \
| sed 's/^.*\b\([0-9]\+\).*$\|^.*$/\1/')
test -z "$cur" && cur=0xffffffff