[bug-gv] [bugs #11319] unable to scroll after magnification

[Jose E. Marchesi]

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/**************************************************************************/
[bugs #11319] Latest Modifications:

Changes by: 
                Jose E. Marchesi <address@hidden>
'Date: 
                Wed 12/15/04 at 16:43 (GMT)

------------------ Additional Follow-up Comments ----------------------------
Scroll bars are not an easy thing to implement using raw xlibs and Xaw, indeed.

About the release... i would wait a little more to have fixed #11266 before 
3.6.1








/**************************************************************************/
[bugs #11319] Full Item Snapshot:

URL: <http://savannah.gnu.org/bugs/?func=detailitem&item_id=11319>
Project: GNU gv
Submitted by: Karl Berry
On: Tue 12/14/04 at 23:57

Category:  Graphical User interface
Severity:  5 - Average
Item Group:  None
Resolution:  None
Privacy:  Public
Assigned to:  jemarch
Status:  Open


Summary:  unable to scroll after magnification

Original Submission:  after generating a simple PS document, e.g.,
tex story \end; dvips story -o; gv story.ps

I selected magnification 4. This puts some of the document off the top of the 
screen. (Which might be a separate bug, seems like it should stay anchored at 
the top.)

The arrow keys work to scroll, but I can't see any actual scroll bars, which 
seems somewhat problematic.  The wheel on my mouse didn't work either, although 
that doesn't surprise me.

This is true with older versions of gv, too.
 

Follow-up Comments
------------------


-------------------------------------------------------
Date: Wed 12/15/04 at 16:43         By: Jose E. Marchesi <jemarch>
Scroll bars are not an easy thing to implement using raw xlibs and Xaw, indeed.

About the release... i would wait a little more to have fixed #11266 before 
3.6.1



-------------------------------------------------------
Date: Wed 12/15/04 at 15:18         By: Karl Berry <karl>
Hi Jose,

---nocenter works.  Thanks.

I think that normal, visible, scroll bars would be a nice enhancement, although 
I don't think it's urgent or anything.  Every other program I can think of 
supports them.  I know they're a pain to implement, though.

Making another release just because the cmdline handling bug is fixed seems 
worthwhile to me, actually.

Thanks much,
karl


-------------------------------------------------------
Date: Wed 12/15/04 at 07:49         By: Jose E. Marchesi <jemarch>
About the anchoring issue, note that --center is enabled by default, so:

    $ gv --nocenter --scale=4 small2e.ps

should anchor to the top-left margin of the document. Please let me know if 
this work for you.

And about scrollbars... gv do not support scrollbars on the ghostview widget at 
all... all scrolling must be done with the cursor keys, or moving the mouse 
while pressing left-button. The last is a very nice scrolling mode, but i 
wonder if actual scroll bars would be a good thing. What do you think?












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