bug#51111: 28.0.50; Wrong point position on mouse click when using line-height on scaled text

[Umar Ahmad via "Bug reports for GNU Emacs, the Swiss army knife of text editors" <bug-gnu-emacs@gnu.org>]

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Actually, This only happens when I do a `setq-default`
Setting it only for a single buffer with a `setq-local` seems to not cause
the problem described above

On Sun, Oct 10, 2021 at 1:23 AM Umar Ahmad <ahmad.umar2008@yahoo.in> wrote:

>
> Mouse clicks on some text in an emacs window does not correctly position
> the point when the line-height is set to some value and the text is
> scaled to become larger
>
> Steps to reproduce with emacs -Q
> - Open a new buffer (C-x b *test-buffer RET)
> - Yank few lines of text from somewhere
> - Eval (M-:) the following:
>   `(setq-default default-text-properties '(line-height 1.1))`
> - Scale text to make it larger (C-x C-= = = =)
> - Click on any line to place the point at that location.
> - Point is placed few lines further below the click position
>
> - Reset the line-height to nil by evaluating:
>   `(setq-default default-text-properties '(line-height nil))`
> - Click on any line to place point at that location.
> - Point is placed correctly
>
>
>
> In GNU Emacs 28.0.50 (build 1, x86_64-apple-darwin20.5.0, NS
> appkit-2022.50 Version 11.4 (Build 20F71))
>  of 2021-07-31 built on Umars-MacBook-Pro.local
> Windowing system distributor 'Apple', version 10.3.2022
> System Description:  macOS 11.5.2
>
> Configured using:
>  'configure --disable-dependency-tracking --disable-silent-rules
>  --enable-locallisppath=/usr/local/share/emacs/site-lisp
>  --infodir=/usr/local/Cellar/emacs-plus@28/28.0.50/share/info/emacs
>  --prefix=/usr/local/Cellar/emacs-plus@28/28.0.50 --with-xml2
>  --with-gnutls --with-native-compilation --without-dbus
>  --with-imagemagick --with-modules --with-rsvg --with-xwidgets --with-ns
>  --disable-ns-self-contained 'CFLAGS=-I/usr/local/opt/gcc/include
>  -I/usr/local/opt/libgccjit/include -I/usr/local/opt/gmp/include
>  -I/usr/local/opt/jpeg/include' 'LDFLAGS=-L/usr/local/lib/gcc/11
>  -I/usr/local/opt/gcc/include -I/usr/local/opt/libgccjit/include
>  -I/usr/local/opt/gmp/include -I/usr/local/opt/jpeg/include''
>
> Configured features:
> ACL GIF GLIB GMP GNUTLS IMAGEMAGICK JPEG JSON LCMS2 LIBXML2 MODULES
> NATIVE_COMP NOTIFY KQUEUE NS PDUMPER PNG RSVG THREADS TIFF
> TOOLKIT_SCROLL_BARS XIM XWIDGETS ZLIB
>
> Important settings:
>   value of $LC_ALL: en_US.UTF-8
>   value of $LANG: en_US.UTF-8
>   locale-coding-system: utf-8-unix
>
> Major mode: ELisp/d
>
> Minor modes in effect:
>   flyspell-lazy-mode: t
>   winner-mode: t
>   global-git-commit-mode: t
>   shell-dirtrack-mode: t
>   org-roam-db-autosync-mode: t
>   auto-insert-mode: t
>   org-wild-notifier-mode: t
>   pdf-occur-global-minor-mode: t
>   dap-tooltip-mode: t
>   dap-ui-many-windows-mode: t
>   dap-ui-controls-mode: t
>   dap-ui-mode: t
>   treemacs-filewatch-mode: t
>   treemacs-follow-mode: t
>   treemacs-git-mode: t
>   treemacs-fringe-indicator-mode: t
>   dap-auto-configure-mode: t
>   dap-mode: t
>   yas-global-mode: t
>   yas-minor-mode: t
>   ws-butler-mode: t
>   whitespace-mode: t
>   global-gumshoe-mode: t
>   mini-frame-mode: t
>   which-key-mode: t
>   selected-global-mode: t
>   selected-minor-mode: t
>   smartparens-global-mode: t
>   smartparens-mode: t
>   global-undo-tree-mode: t
>   undo-tree-mode: t
>   global-so-long-mode: t
>   all-the-icons-ivy-rich-mode: t
>   ivy-rich-mode: t
>   projectile-mode: t
>   ivy-mode: t
>   save-place-mode: t
>   git-gutter-mode: t
>   global-auto-revert-mode: t
>   eros-mode: t
>   display-line-numbers-mode: t
>   hl-line-mode: t
>   highlight-numbers-mode: t
>   show-paren-mode: t
>   dtrt-indent-mode: t
>   company-box-mode: t
>   company-mode: t
>   flycheck-posframe-mode: t
>   recentf-mode: t
>   flycheck-mode: t
>   global-subword-mode: t
>   subword-mode: t
>   +popup-mode: t
>   doom-modeline-mode: t
>   override-global-mode: t
>   tooltip-mode: t
>   global-eldoc-mode: t
>   eldoc-mode: t
>   electric-indent-mode: t
>   mouse-wheel-mode: t
>   tab-bar-mode: t
>   file-name-shadow-mode: t
>   global-font-lock-mode: t
>   font-lock-mode: t
>   auto-composition-mode: t
>   auto-encryption-mode: t
>   auto-compression-mode: t
>   size-indication-mode: t
>   column-number-mode: t
>   line-number-mode: t
>   transient-mark-mode: t
>   hs-minor-mode: t
>
> Load-path shadows:
> /Users/umar/.config/emacs/elpa/magit-20210916.1754/magit-section-pkg hides
> /Users/umar/.config/emacs/elpa/magit-section-20210829.1849/magit-section-pkg
> /Users/umar/.config/emacs/elpa/protobuf-mode-20200619.1742/protobuf-mode
> hides /usr/local/share/emacs/site-lisp/protobuf/protobuf-mode
> /Users/umar/.config/emacs/elpa/transient-20210819.2118/transient hides
> /usr/local/Cellar/emacs-plus@28/28.0.50/share/emacs/28.0.50/lisp/transient
>
> Features:
> (shadow sort emacsbug dap-variables dap-hydra nano-light-theme
> nano-theme nano-modeline autoload tar-mode arc-mode archive-mode
> mm-archive tetris gamegrid two-column git-rebase org-gcal persist
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> text-mode-expansions cc-mode-expansions the-org-mode-expansions
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> +projectile-find-file vterm docker-tramp tramp-cache tramp
> tramp-loaddefs trampver tramp-integration files-x tramp-compat ls-lisp
> vterm-module term/xterm xterm shell-pop term shell ehelp format-all
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> org-ql-view transient ov crm org-super-agenda org-ql peg ts anki-editor
> request mailheader ox-odt rng-loc rng-uri rng-parse rng-match rng-dt
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> conf-mode flycheck-plantuml plantuml-mode sh-script executable eimp
> mhtml-mode css-mode smie eww url-queue shr kinsoku svg xml mm-url gnus
> nnheader gnus-util rmail rmail-loaddefs rfc2047 rfc2045 ietf-drums
> mail-utils mm-util mail-prsvr smartparens-html sgml-mode diredfl
> all-the-icons-dired vc-mtn vc-hg vc-bzr vc-src vc-sccs vc-svn vc-cvs
> vc-rcs dired-filter dired-hacks-utils dired-x diff-hl-dired diff-hl
> log-view pcvs-util vc-dir vc flycheck-golangci-lint dap-go go-mode
> find-file ffap etags fileloop terraform-mode hcl-mode sql
> lsp-diagnostics lsp-modeline lsp-ui lsp-ui-flycheck lsp-ui-doc xwidget
> goto-addr lsp-ui-imenu lsp-ui-peek lsp-ui-sideline lsp-ui-util view
> flycheck-phpstan phpstan dap-php dap-utils php-mode speedbar ezimage
> dframe php-face php php-project flymake-proc flymake company-dabbrev
> org-superstar lsp-zig lsp-steep lsp-svelte lsp-sqls lsp-yaml lsp-xml
> lsp-vimscript lsp-vhdl lsp-vetur lsp-html lsp-verilog lsp-vala lsp-v
> lsp-terraform lsp-tex lsp-sorbet lsp-solargraph lsp-rust lsp-rf lsp-r
> lsp-purescript lsp-pylsp lsp-pyls lsp-pwsh lsp-php lsp-perl lsp-ocaml
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> lsp-haxe lsp-groovy lsp-hack lsp-graphql lsp-go lsp-completion
> lsp-gdscript lsp-fsharp lsp-fortran lsp-eslint lsp-erlang lsp-elixir
> lsp-elm lsp-dockerfile lsp-dhall lsp-d lsp-css lsp-csharp gnutls
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> semantic semantic/tag semantic/lex semantic/fw mode-local cedet
> pdf-isearch let-alist pdf-misc pdf-tools pdf-view treemacs-bookmarks
> bookmark jka-compr pdf-cache pdf-info tq pdf-util pdf-macs image-mode
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> treemacs-workspaces treemacs-dom treemacs-visuals
> treemacs-fringe-indicator treemacs-scope pulse treemacs-faces
> treemacs-icons treemacs-themes treemacs-core-utils pfuture
> treemacs-logging treemacs-customization treemacs-macros gdb-mi gud bui
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> epg epg-config yasnippet vc-git diff-mode vc-dispatcher ws-butler
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> swiper ivy delsel ivy-faces ivy-overlay colir color server saveplace
> dired dired-loaddefs osx-trash git-gutter-fringe fringe-helper
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> dtrt-indent company-box company-box-doc frame-local company-box-icons
> company-yasnippet company-capf company flycheck-posframe posframe
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> core-elisp core-org core-php core-markdown core-javascript core-go
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> core-window +popup core-ux advice core-ui doom-dashboard derived
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> use-package-ensure use-package-delight use-package-diminish
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>
> Memory information:
> ((conses 16 5681850 755118)
>  (symbols 48 140725 0)
>  (strings 32 851093 57331)
>  (string-bytes 1 29748886)
>  (vectors 16 393667)
>  (vector-slots 8 7190110 587972)
>  (floats 8 18681 3660)
>  (intervals 56 571161 8020)
>  (buffers 992 271))
>
>
> --
> Regards,
> Umar Ahmad
>


-- 
Regards,
Umar Ahmad

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