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000079_icon-group-sender _Wed Mar 31 13:26:46 1999.msg
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Received: (from root@localhost)
by baskerville.CS.Arizona.EDU (8.9.1a/8.9.1) id NAA20561
for icon-group-addresses; Wed, 31 Mar 1999 13:25:36 -0700 (MST)
Message-Id: <199903312025.NAA20561@baskerville.CS.Arizona.EDU>
Date: Wed, 31 Mar 1999 09:40:06 -0700 (MST)
From: Gregg Townsend <gmt@baskerville.CS.Arizona.EDU>
To: icon-group@optima.CS.Arizona.EDU, luhler@excel.com
Subject: Re: Selecting and moving Graphics Objects
Errors-To: icon-group-errors@optima.CS.Arizona.EDU
Status: RO
From: Lloyd Uhler <luhler@excel.com>
Subject: Selecting and moving Graphics Objects
What modules (subroutines) in the Graphics Library (or in ICON) support
the selection of an object with the mouse and then moving that object?
For dragging, see Drag() from the Icon program library (ipl/gprocs/drag.icn).
This is what VIB uses. For selection, VIB just uses a simple loop that
compares the mouse position with the bounds of the objects it knows.
---------------------------------------------------------------------------
Gregg Townsend Gould-Simpson Building gmt@cs.arizona.edu
Staff Scientist 1040 E. 4th St. 32 13 45N 110 57 16W
Dept. of Computer Science PO Box 210077 tel: +1 520 621 4325
The University of Arizona Tucson, AZ 85721-0077 fax: +1 520 621 4246