Using the mouse in customize work only in insert state

[real-or-random]

Description

Using the mouse to click on buttons and certain links in "customize" works only in insert state

I can reproduce this even after deleting my dotfile.

Reproduction guide 🪲

• Start Emacs
• M-x M-x customize
• Click on the "State" button or on the one "More" link

Observed behaviour: 👀 💔
Nothing happens.
If you switch to insert state first, it works.

Expected behaviour: ❤️ 😄
Should work in normal mode. I wouldn't bet my life on it but I believe this worked in normal mode before.

System Info 💻

• OS: gnu/linux
• Emacs: 27.1
• Spacemacs: 0.300.0
• Spacemacs branch: develop (rev. 3d5d4b2)
• Graphic display: t
• Distribution: spacemacs
• Editing style: vim
• Completion: helm
• Layers:

(csv html javascript systemd helm auto-completion better-defaults emacs-lisp git github markdown
     (org :variables org-enable-github-support t)
     spell-checking syntax-checking treemacs
     (latex :variables latex-enable-auto-fill nil)
     pdf yaml lua gtags lsp
     (c-c++ :variables c-c++-backend 'lsp-ccls c-c++-lsp-enable-semantic-highlight 'rainbow)
     php python rust shell major-modes org-roam)

• System configuration features: XPM JPEG TIFF GIF PNG RSVG CAIRO SOUND GPM DBUS GSETTINGS GLIB NOTIFY INOTIFY ACL GNUTLS LIBXML2 FREETYPE HARFBUZZ M17N_FLT LIBOTF ZLIB TOOLKIT_SCROLL_BARS GTK3 X11 XDBE XIM MODULES THREADS LIBSYSTEMD JSON PDUMPER LCMS2 GMP

Maybe related to 68debde

[real-or-random]

Ah, and another issue with customize mode (not entirely sure if introduced by 68debde) is that using a link (no matter if with mouse or keyboard) opens a new buffer. That's pretty annoying. Browse around to get a grasp of possible settings and find that you have tens of buffers open.

[duianto]

Confirmed.
When mouse clicking on some links or buttons in a customize buffer, in evil normal state.

C-h l (l = lower case L) shows:

• When nothing happens:

 <help-echo> <down-mouse-1>                         ;; evil-mouse-drag-region

• When the link works:

 <mouse-1>                                          ;; widget-move-and-invoke

And a new Customize Group: <group name> buffer opens when opening new group pages.

This seems relevant:
https://stackoverflow.com/questions/4869460/how-to-stop-emacs-from-opening-new-buffers-when-following-a-link-in-customizatio

[github-actions]

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