Re: Indicating selected region on pixmap

[Havoc Pennington <hp redhat com>]

Keith McDade <kmcdade 454 com> writes:
> In that case would I then redraw the drawing area with the pixmap everytime
> the rectangle changes and then draw the new rectangle on top of that (say
> while the user is dragging a new rectangle)?  While I'm at it do you (or
> anyone else of course) have any suggestions for dealing with the mouse
> movement event?  I've heard it mentioned in many places that you can
> overwhelm a client with events if you use the motion event...  On the same
> tack at this time I have a status box which shows the x and y position of
> the mouse relative to the image as well as the intensity at that location.
> I have this updating based on button up/down events only, for the same
> motion event concerns.  Can motion monitoring be done in a reasonable
> manner?  If not does this issue more effect the client, server or none of
> the above?

The "scribble" example in the tutorial will answer this question.
(GDK_POINTER_MOTION_HINT_MASK)

> On another note I've been searching around for the famed GTK+ and GDK
> manuals in postscript and have thus far been unsuccessful, any
> links?

IIRC the PostScript is over a thousand pages long, so you probably
don't really want it... but to get it you'd basically just grab the
docs in SGML form and run 'db2ps'

Havoc