[gtkada] FW: Awareness of dragging a GtkAda.Canvas.Canvas_Item_Record?

Nash, D. LTC EECS dd9875 at exmail.usma.army.mil
Mon Apr 22 17:01:11 CEST 2002


> Dear friends,
> 
> Is there a recommended way for an application to be notified when an
> object of a type derived from GtkAda.Canvas.Canvas_Item_Record is dragged
> within the canvas?  It's clear that by catching Item_Selected events one
> may infer that a drag might have begun (but possibly not, if the item has
> merely been clicked upon), but I haven't been able to discover a way
> within the 1.3.12 API to be notified that the mouse button was released
> following a drag.  Any suggestions?
> 
> Very cordially,
> 
> Dave
> 
> David A. Nash
> LTC, FA
> Computer Support Group
> Dept. of Electrical Engineering and Computer Science
> Thayer Hall, bldg. 601, room 1115
> (845) 938-5575 (voice)     (845) 938-5956 (fax)
> 




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