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compton-trans: ensure wid format. misc. 

xwininfo falls back to cursor selection if the window ID is formatted
improperly.
This commit is contained in:
Christopher Jeffrey 2013-05-04 20:50:42 -05:00
parent 216441c7b0
commit a9a3b015e1
1 changed files with 8 additions and 1 deletions
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9
bin/compton-trans
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@ -19,6 +19,10 @@
# $ compton-trans -s 75 # $ compton-trans -s 75
# Increment current window 5% # Increment current window 5%
# $ compton-trans -c +5 # $ compton-trans -c +5
# Delete current window's opacity
# $ compton-trans -c --delete
# Reset all windows
# $ compton-trans --reset
# "command" is a shell built-in, faster than "which" # "command" is a shell built-in, faster than "which"
if test -z "$(command -v xprop)" -o -z "$(command -v xwininfo)"; then if test -z "$(command -v xprop)" -o -z "$(command -v xwininfo)"; then
@ -120,6 +124,9 @@ fi
if test -z "$wprefix"; then if test -z "$wprefix"; then
treeout=$(xwininfo -children -frame) treeout=$(xwininfo -children -frame)
else else
test "$wprefix" = '-id' \
&& ! echo "$window" | grep -q '^\(0x\)\?[0-9a-fA-F]\+$' \
&& echo 'Bad window ID.' && exit 1
treeout=$(xwininfo -children $wprefix "$window") treeout=$(xwininfo -children $wprefix "$window")
fi fi
@ -189,7 +196,7 @@ fi
# Calculate the desired opacity # Calculate the desired opacity
if echo "$opacity" | grep -q '^[+-]'; then if echo "$opacity" | grep -q '^[+-]'; then
opacity=$(($cur + $opacity)) opacity=$((cur + opacity))
fi fi
test $opacity -lt 0 && opacity=0 test $opacity -lt 0 && opacity=0