GNU bug report logs - #2277
23.0.60; GUD tooltips don't work on OS X

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Message #5 received at submit <at> emacsbugs.donarmstrong.com (full text, mbox):

From: Nick Roberts <nickrob <at> snap.net.nz>
To: emacs-pretest-bug <at> gnu.org
Subject: 23.0.60; GUD tooltips don't work on OS X
Date: Wed, 11 Feb 2009 23:11:44 +1300

On OS X, if you enable GUD tooltips, you can't display any variable values as
tooltips in the source buffer.

Incidentally, FSF GDB now compiles on Darwin/OS X and I generally find this
version works better in Emacs, e.g, no ^M line endings, breakpoint icons
display.  However, even with this version, Emacs doesn't seem to display GUD
tooltips


-- 
Nick                                           http://www.inet.net.nz/~nickrob

Message #10 received at 2277 <at> debbugs.gnu.org (full text, mbox):

From: charles <at> aurox.ch (Charles A. Roelli)
To: Nick Roberts <nickrob <at> snap.net.nz>, 2277 <at> debbugs.gnu.org
Subject: Re: bug#2277: 23.0.60; GUD tooltips don't work on OS X
Date: Wed, 16 Aug 2017 12:43:12 +0200

They work fine for me on 25.2 / macOS 10.6, using the following
recipe:

M-x gdb RET
b Fsignal RET
run -q RET
C-g in the newly opened Emacs
M-x gud-tooltip-mode

Hover over error_symbol to get a tooltip displaying "error_symbol =
39408".  I'll close in a few days if there's no further discussion.

> From: Nick Roberts <nickrob <at> snap.net.nz>
> Content-Type: text/plain; charset=us-ascii
> Date: Wed, 11 Feb 2009 23:11:44 +1300
> 
> 
> On OS X, if you enable GUD tooltips, you can't display any variable values as
> tooltips in the source buffer.
> 
> Incidentally, FSF GDB now compiles on Darwin/OS X and I generally find this
> version works better in Emacs, e.g, no ^M line endings, breakpoint icons
> display.  However, even with this version, Emacs doesn't seem to display GUD
> tooltips
> 
> 
> -- 
> Nick                                           http://www.inet.net.nz/~nickrob
> 
> 
> 
> 

Message #15 received at 2277-done <at> debbugs.gnu.org (full text, mbox):

From: charles <at> aurox.ch (Charles A. Roelli)
To: 2277-done <at> debbugs.gnu.org
Cc: nickrob <at> snap.net.nz
Subject: Re: bug#2277: 23.0.60; GUD tooltips don't work on OS X
Date: Wed, 23 Aug 2017 14:44:11 +0200

> Date: Wed, 16 Aug 2017 12:43:12 +0200
> From: charles <at> aurox.ch (Charles A. Roelli)
> CC: 
> 
> They work fine for me on 25.2 / macOS 10.6, using the following
> recipe:
> 
> M-x gdb RET
> b Fsignal RET
> run -q RET
> C-g in the newly opened Emacs
> M-x gud-tooltip-mode
> 
> Hover over error_symbol to get a tooltip displaying "error_symbol =
> 39408".  I'll close in a few days if there's no further discussion.
> 
> > From: Nick Roberts <nickrob <at> snap.net.nz>
> > Content-Type: text/plain; charset=us-ascii
> > Date: Wed, 11 Feb 2009 23:11:44 +1300
> > 
> > 
> > On OS X, if you enable GUD tooltips, you can't display any variable values as
> > tooltips in the source buffer.
> > 
> > Incidentally, FSF GDB now compiles on Darwin/OS X and I generally find this
> > version works better in Emacs, e.g, no ^M line endings, breakpoint icons
> > display.  However, even with this version, Emacs doesn't seem to display GUD
> > tooltips
> > 
> > 
> > -- 
> > Nick                                           http://www.inet.net.nz/~nickrob
> > 
> > 
> > 
> > 
> 

I realized that this bug was possibly about "gud-gdb", which has been
superseded now.  When I try the recipe with "M-x gud-gdb" instead of
"M-x gdb", I get a warning from these lines in gud.el:

	      (when (and gud-tooltip-mode (eq gud-minor-mode 'gdb))
		(gud-tooltip-mode -1)
		;; The blank before the newline is for MS-Windows,
		;; whose emulation of message box removes newlines and
		;; displays a single long line.
		(message-box "Using GUD tooltips in this mode is unsafe \n\
so they have been disabled."))

Since this version of GUD shouldn't display tooltips anyway, I'll
close the bug.

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