hide the active-opacity slider when there's no composite, because it's useless then
commit637e82f56640e95d3d46f7970f8dc833cbfc1f84
authorchani <chani@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>
Sun, 28 Dec 2008 23:24:11 +0000 (28 23:24 +0000)
committerchani <chani@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>
Sun, 28 Dec 2008 23:24:11 +0000 (28 23:24 +0000)
tree21e4a4a573e022601770f34eab14bbcea1aa2e99
parentc8fa409b0cd9af6807256f23f555bd113f91d152
hide the active-opacity slider when there's no composite, because it's useless then
the idle one isn't hidden - it can go all the way down to 0, so it's still semi-useful.
I wonder if this will confuse users...

git-svn-id: svn://anonsvn.kde.org/home/kde/trunk/KDE/kdebase@902691 283d02a7-25f6-0310-bc7c-ecb5cbfe19da
workspace/plasma/shells/screensaver/backgrounddialog.cpp