Re: gnome canvas sluggish with GDK_MOTION_NOTIFY

[Havoc Pennington <hp redhat com>]

Andrej Andrejko <ai heavy-ind com> writes:
> 
> I am using the gnome canvas heavily to develop a georeferencing application.  I have many nested groups on the canvas and I am finding that mouse movement piles up events.  The more groups I have  the more sluggish the mouse movement becomes.  Are there any tricks I can use to speed this up?  I anticipate having as many as 100 groups on the canvas at one time.  
> 
> I am using gnome-libs 1.2.4.
> 

Read the "scribble" example in the GTK tutorial on www.gtk.org for how
to avoid this. (use POINTER_MOTION_HINT_MASK instead of
POINTER_MOTION_MASK.)

Havoc