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Highlighting matching parenthese doesn't work after scrolling viewport #776
Description
Steps to reproduce:
- open any file for which vim highlights matching parenthesis
- scroll viewport in such a way that only first parenthesis of the pair if visible
- move cursor onto the first parenthesis
- expecting that this will trigger the highlighting
- scroll viewport without moving cursor (C-e or mouse wheel) so that the second parenthesis of the pair becomes visible (cursor is still on the first one)
- second parenthesis is not highlighted <---- ISSUE
Expected result:
- second parenthesis is highlighted
Vim version:
$ vim --version
VIM - Vi IMproved 7.4 (2013 Aug 10, compiled Mar 30 2016 14:46:23)
Included patches: 1-1689
Compiled by Arch Linux
Huge version with GTK2 GUI. Features included (+) or not (-):
+acl +farsi +mouse_netterm +tag_binary
+arabic +file_in_path +mouse_sgr +tag_old_static
+autocmd +find_in_path -mouse_sysmouse -tag_any_white
+balloon_eval +float +mouse_urxvt +tcl/dyn
+browse +folding +mouse_xterm +terminfo
++builtin_terms -footer +multi_byte +termresponse
+byte_offset +fork() +multi_lang +textobjects
+channel +gettext -mzscheme +timers
+cindent -hangul_input +netbeans_intg +title
+clientserver +iconv +packages +toolbar
+clipboard +insert_expand +path_extra +user_commands
+cmdline_compl +job +perl/dyn +vertsplit
+cmdline_hist +jumplist +persistent_undo +virtualedit
+cmdline_info +keymap +postscript +visual
+comments +langmap +printer +visualextra
+conceal +libcall +profile +viminfo
+cryptv +linebreak +python/dyn +vreplace
+cscope +lispindent +python3/dyn +wildignore
+cursorbind +listcmds +quickfix +wildmenu
+cursorshape +localmap +reltime +windows
+dialog_con_gui +lua/dyn +rightleft +writebackup
+diff +menu +ruby/dyn +X11
+digraphs +mksession +scrollbind -xfontset
+dnd +modify_fname +signs +xim
-ebcdic +mouse +smartindent +xsmp_interact
+emacs_tags +mouseshape +startuptime +xterm_clipboard
+eval +mouse_dec +statusline -xterm_save
+ex_extra +mouse_gpm -sun_workshop -xpm
+extra_search -mouse_jsbterm +syntax
system vimrc file: "/etc/vimrc"
user vimrc file: "$HOME/.vimrc"
2nd user vimrc file: "~/.vim/vimrc"
user exrc file: "$HOME/.exrc"
system gvimrc file: "/etc/gvimrc"
user gvimrc file: "$HOME/.gvimrc"
2nd user gvimrc file: "~/.vim/gvimrc"
system menu file: "$VIMRUNTIME/menu.vim"
fall-back for $VIM: "/usr/share/vim"
Compilation: gcc -c -I. -Iproto -DHAVE_CONFIG_H -DFEAT_GUI_GTK -pthread -I/usr/include/gtk-2.0 -I/usr/lib/gtk-2.0/include -I/usr/include/pango-1.0 -I/usr/include/atk-1.0 -I/usr/include/cairo -I/usr/include/pixman-1 -I/usr/include/libdrm -I/usr/include/gdk-pixbuf-2.0 -I/usr/include/libpng16 -I/usr/include/pango-1.0 -I/usr/include/freetype2 -I/usr/include/libpng16 -I/usr/include/harfbuzz -I/usr/include/glib-2.0 -I/usr/lib/glib-2.0/include -I/usr/include/freetype2 -I/usr/include/libpng16 -I/usr/include/harfbuzz -I/usr/include/glib-2.0 -I/usr/lib/glib-2.0/include -D_FORTIFY_SOURCE=2 -march=x86-64 -mtune=generic -O2 -pipe -fstack-protector-strong -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=1
Linking: gcc -L. -Wl,-O1,--sort-common,--as-needed,-z,relro -fstack-protector -rdynamic -Wl,-export-dynamic -Wl,-E -Wl,-rpath,/usr/lib/perl5/core_perl/CORE -Wl,-O1,--sort-common,--as-needed,-z,relro -L/usr/local/lib -Wl,--as-needed -o vim -lgtk-x11-2.0 -lgdk-x11-2.0 -lpangocairo-1.0 -latk-1.0 -lcairo -lgdk_pixbuf-2.0 -lgio-2.0 -lpangoft2-1.0 -lpango-1.0 -lgobject-2.0 -lglib-2.0 -lfontconfig -lfreetype -lSM -lICE -lXt -lX11 -lXdmcp -lSM -lICE -lm -lncurses -lelf -lnsl -lacl -lattr -lgpm -ldl -Wl,-E -Wl,-rpath,/usr/lib/perl5/core_perl/CORE -Wl,-O1,--sort-common,--as-needed,-z,relro -fstack-protector-strong -L/usr/local/lib -L/usr/lib/perl5/core_perl/CORE -lperl -lpthread -lnsl -ldl -lm -lcrypt -lutil -lc -L/usr/lib -ltclstub8.6 -ldl -lz -lpthread -lieee -lm
Activity
h3xx commentedon Apr 22, 2016
Confirmed in vim 7.4.1752
Yggdroot commentedon Jun 25, 2016
The matching parentheses is only highlighted between
line('w0')andline('w$'), It's not an issue.h3xx commentedon Jun 27, 2016
I don't really know why this was closed.
brammool commentedon Jun 27, 2016
The match highlighting is only updated when moving the cursor, not when scrolling. There is no autocommand for scrolling, thus it can't really be changed easily.
graywolf commentedon Jun 30, 2016
@brammool How hard would it be to add autocommand for scrolling? Do you believe it can be reasonably done? I've never done any Vim development, but I could try.
brammool commentedon Jun 30, 2016
W wrote:
This would be when curwin->w_topline changes. Unfortunately this
currently happens in several places.
Maybe it works to do it like CursorMoved. That is in main_loop().
last_cursormoved keeps the previous position.
Like CursorMoved has CursorMovedI, we may need a separate event for
scrolling in Insert mode.
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