bug#73037: 31.0.50; fullscreen tooltips break after loading pdf-tools on MacOS

bug#73037: 31.0.50; fullscreen tooltips break after loading pdf-tools on MacOS

[Paul Nelson]

I've tested the following setups:

(1) Emacs master, pdf-tools 1.1.0
(2) Emacs 29.4, pdf-tools 1.1.0

The issue appears with (1) but not (2), so I figured I'd report it as
a bug with Emacs rather than pdf-tools, but would welcome other
suggestions.

Steps to reproduce:

1. Install pdf-tools (e.g., via list-packages)

2. Emacs -Q

3. Evaluate the following:

(package-initialize)
(use-package pdf-tools
  :config
  (pdf-tools-install :no-query))

4. Visit any pdf file.

These steps put Emacs in a state where tooltips behave badly: when the
current frame is fullscreen (via (toggle-frame-fullscreen)), tooltips
display in a separate fullscreen frame rather than as a child frame.

All tooltips are affected, not just those produced by pdf-tools.  For
example, (x-show-tip "This is a tooltip." (selected-frame) nil 5)
triggers the issue, as does mousing over any link in *Help*.



In GNU Emacs 31.0.50 (build 4, aarch64-apple-darwin23.6.0, NS
 appkit-2487.70 Version 14.6.1 (Build 23G93)) of 2024-09-05 built on
 d51735
Repository revision: df57e44a08fd5c7dc159254a40f5d2e4d008e8df
Repository branch: master
Windowing system distributor 'Apple', version 10.3.2487
System Description:  macOS 14.6.1

Configured using:
 'configure --with-ns --with-native-compilation --with-tree-sitter
 --with-gif --with-png --with-jpeg --with-rsvg --with-tiff
 --with-imagemagick --with-x-toolkit=gtk3 --with-xwidgets'

Configured features:
ACL DBUS GLIB GNUTLS IMAGEMAGICK LCMS2 LIBXML2 MODULES NATIVE_COMP
NOTIFY KQUEUE NS PDUMPER PNG RSVG SQLITE3 THREADS TOOLKIT_SCROLL_BARS
TREE_SITTER WEBP XIM XWIDGETS ZLIB

Important settings:
  value of $LC_CTYPE: UTF-8
  value of $LANG: en_US.UTF-8
  locale-coding-system: utf-8-unix

Major mode: Text

Minor modes in effect:
  pdf-occur-global-minor-mode: t
  repeat-mode: t
  override-global-mode: t
  recentf-mode: t
  display-time-mode: t
  save-place-mode: t
  global-auto-revert-mode: t
  minibuffer-depth-indicate-mode: t
  electric-pair-mode: t
  tooltip-mode: t
  global-eldoc-mode: t
  show-paren-mode: t
  electric-indent-mode: t
  mouse-wheel-mode: t
  tool-bar-mode: t
  tab-bar-history-mode: t
  menu-bar-mode: t
  file-name-shadow-mode: t
  global-font-lock-mode: t
  font-lock-mode: t
  blink-cursor-mode: t
  minibuffer-regexp-mode: t
  column-number-mode: t
  line-number-mode: t
  transient-mark-mode: t
  auto-composition-mode: t
  auto-encryption-mode: t
  auto-compression-mode: t

Load-path shadows:
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bug#73037: 31.0.50; fullscreen tooltips break after loading pdf-tools on MacOS

[Eli Zaretskii]

> From: Paul Nelson <ultrono@gmail.com>
> Date: Thu, 5 Sep 2024 11:01:11 +0200
> 
> I've tested the following setups:
> 
> (1) Emacs master, pdf-tools 1.1.0
> (2) Emacs 29.4, pdf-tools 1.1.0
> 
> The issue appears with (1) but not (2), so I figured I'd report it as
> a bug with Emacs rather than pdf-tools, but would welcome other
> suggestions.
> 
> Steps to reproduce:
> 
> 1. Install pdf-tools (e.g., via list-packages)
> 
> 2. Emacs -Q
> 
> 3. Evaluate the following:
> 
> (package-initialize)
> (use-package pdf-tools
>   :config
>   (pdf-tools-install :no-query))
> 
> 4. Visit any pdf file.
> 
> These steps put Emacs in a state where tooltips behave badly: when the
> current frame is fullscreen (via (toggle-frame-fullscreen)), tooltips
> display in a separate fullscreen frame rather than as a child frame.
> 
> All tooltips are affected, not just those produced by pdf-tools.  For
> example, (x-show-tip "This is a tooltip." (selected-frame) nil 5)
> triggers the issue, as does mousing over any link in *Help*.

Could you please report this to the developers of pdf-tools first, and
ask them to look into the issue?  If they identify some issue with
core Emacs functionality, please then come back here with the details,
or ask them to post those details.

Thanks.

bug#73037: 31.0.50; fullscreen tooltips break after loading pdf-tools on MacOS

[Paul Nelson]

Thanks, will do.

bug#73037: 31.0.50; fullscreen tooltips break after loading pdf-tools on MacOS

[Paul Nelson]

> Could you please report this to the developers of pdf-tools first, and
> ask them to look into the issue?  If they identify some issue with
> core Emacs functionality, please then come back here with the details,
> or ask them to post those details.
>

Having followed up with pdf-tools, the issue with Emacs is:

  when use-system-tooltips is nil, on macOS, with fullscreen Emacs,
(tooltip-show "hi") creates a new fullscreen frame.

I've tested this on both Emacs 29.4 and a recent master, with Emacs
-Q.  Please let me know if I should report a fresh bug for this, or
leave it here.

---

To make matters even more confusing, the issue does not present if I
run emacs from the src folder (rather than the app folder), even
though the executables are the same:

  cmp -s ~/gnu-emacs/src/emacs
~/gnu-emacs/nextstep/Emacs.app/Contents/MacOS/Emacs

I don't know what to make of this, and I've tried what I could think
of ("make clean", deleting eln-cache).  Any other suggestions would be
welcome.

Thanks, best,

Paul

bug#73037: 31.0.50; fullscreen tooltips break after loading pdf-tools on MacOS

[Eli Zaretskii]

> From: Paul Nelson <ultrono@gmail.com>
> Date: Wed, 18 Sep 2024 15:50:47 +0200
> Cc: 73037@debbugs.gnu.org
> 
> Having followed up with pdf-tools, the issue with Emacs is:
> 
>   when use-system-tooltips is nil, on macOS, with fullscreen Emacs,
> (tooltip-show "hi") creates a new fullscreen frame.
> 
> I've tested this on both Emacs 29.4 and a recent master, with Emacs
> -Q.  Please let me know if I should report a fresh bug for this, or
> leave it here.
> 
> ---
> 
> To make matters even more confusing, the issue does not present if I
> run emacs from the src folder (rather than the app folder), even
> though the executables are the same:
> 
>   cmp -s ~/gnu-emacs/src/emacs
> ~/gnu-emacs/nextstep/Emacs.app/Contents/MacOS/Emacs
> 
> I don't know what to make of this, and I've tried what I could think
> of ("make clean", deleting eln-cache).  Any other suggestions would be
> welcome.

Thanks, I guess some macOS expert will have to look into this.