4b24ce84e8
=========================== - Damn hidden searches. Again fix in select_all operator. This time for inverted selection. - Do not select "hidden" parts of marker on creation. - Added modifier key for marker transformation: if alt is pressed down -- pattern/search will be moving relative to marker center. - Changed behavior of mouse sliding: * To change marker position markers should be slided by it's center. * Left-top corners now used to offset pattern/search relative to marker center. * Hide mouse cursor during sliding.