With anything selected a drag takes only the selection; with nothing
selected it takes what you click. Right click blows the selected materials
in the bag. Holding Ctrl lists every material found so far under "Not in
bag". Selections stay when materials run out; Clear button, clicking the
only selected row, or gamepad B clears.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>