bug#22374: Buffers of previously open files appear in gud interaction window instead of source window in many-windows mode

[Noam Postavsky <npostavs@gmail.com>]

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[moving from bug#17675 to #22374]

martin rudalics <rudalics@gmx.at> writes:

> If you think that this might solve Bug#22374, I'd go for it.  Can you
> explain how it solves that bug?

Oh, I only observed that it [35] fixes the bug, I was hoping you could
explain it.  Actually, it looks like the explanation you put before [20]
still applies.  The reason the inhibit-same-window fix doesn't help is
that step 9 (middle-click the single line in the stack frame window)
changes the current window, hence the gud interaction window is no
longer the "same-window" and not inhibited.


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(defconst bug-22374-dir
  (file-name-directory (or load-file-name
                           buffer-file-name)))

(defun bug-22373-frame0 ()
  (interactive)
  (select-window (get-buffer-window "*stack frames of test*"))
  (let ((new-level "0"))
    (setq gdb-frame-number new-level)
    (gdb-input (concat "-stack-select-frame " new-level)
	       'ignore)
    (gdb-update)))

(mapatoms (lambda (s)
            (when (and (fboundp s)
                       (string-match "\\`display-buffer"
                                     (symbol-name s)))
              (trace-function-background s))))
(trace-function-background 'bug-22373-frame0)


(find-file (expand-file-name "test.cpp" bug-22374-dir))
(gdb "gdb -i=mi ./test")
(gdb-many-windows )
(gdb-input "start" #'ignore)
(run-with-idle-timer
 0.25 nil
 (lambda ()
   (select-window (get-buffer-window "test.cpp"))
   (switch-to-buffer "*scratch*")
   (run-with-idle-timer 0.5 nil #'bug-22373-frame0)
   ))


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[20]: https://debbugs.gnu.org/cgi/bugreport.cgi?bug=17675#20
[35]: https://debbugs.gnu.org/cgi/bugreport.cgi?bug=17675#35