SnowRaptor
n00b
Joined: 24 Jan 2011
Posts: 7
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 Posted: Sat Aug 27, 2022 2:06 pm Post subject: Inconsistent behavior with deadkeys input |
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Hello, folks,
My system's LOCALE is pt_BR.UTF8 and I use both us_intl and br_abnt2 keyboard layouts in X. Both have dead keys, so if I want to type an accented letter, like ã, I have to press the tilde key, then a.
Historically what used to happen during this keystroke sequence was:
- User presses tilde key
- Cursor stays in the same place, no character appears onscreen
- User presses a key
- Charater ã appears on screen and cursor advances
Now the events are as follows:
- User presses tilde key
- A tilde ~ character appears underlined and the cursor advances
- User presses a key
- The underline tilde character is replaced by the ã character to the left of the cursor
The issue is that some programs don't deal very well with this behavior. For example, in Firefox, depending on the type of text input area, this may work as above or not at all, with deadkeys being completely ignored. If we type the accent ~ and then backspace, sometimes the cursor is sent to the beginning of the line. Sometimes the dead keys are completely ignored and accents don't work (in some text fields in Firefox and sometimes in Telegram, especially when replying to messages).
After observing how this behaves, it looks like that soime characters are actually sent to the programs by X(?). In the tilde example, what seems to happen is:
- User presses the tilde key
- X sends the tilde character with some sort of unicode combining underscore (U+0332 maybe?)
- User types the a key
- X sends one(or more, dua to the combining character?) backspace character to the program, followed by the accented character
This seems to cause unexpected responses form programs which are not ready to deal well with Unicode or dancing cursor.
| Emerge --info: |
Portage 3.0.30 (python 3.10.6-final-0, default/linux/amd64/17.1/desktop, gcc-11.3.0, glibc-2.35-r8, 5.15.59-gentoo x86_64)
=================================================================
System uname: Linux-5.15.59-gentoo-x86_64-Intel-R-_Core-TM-_i7-9750H_CPU_@_2.60GHz-with-glibc2.35
KiB Mem: 16267416 total, 4236340 free
KiB Swap: 8388604 total, 5670652 free
Timestamp of repository crossdev: Sun, 20 Jun 2021 21:41:33 +0000
Timestamp of repository steam-overlay: Wed, 24 Aug 2022 05:02:42 +0000
Head commit of repository steam-overlay: 8b05e59621ebcb56a84fd4cab93d546094a1f08c
Timestamp of repository gentoo: Sat, 27 Aug 2022 04:46:56 +0000
Head commit of repository gentoo: e7c83d2bf8c2e1c53b96cedc0aefdc8b80a96155
sh bash 5.1_p16-r1
ld GNU ld (Gentoo 2.38 p4) 2.38
distcc 3.4 x86_64-pc-linux-gnu [disabled]
ccache version 4.5.1 [disabled]
app-misc/pax-utils: 1.3.4::gentoo
app-shells/bash: 5.1_p16-r1::gentoo
dev-java/java-config: 2.3.1::gentoo
dev-lang/perl: 5.34.1-r3::gentoo
dev-lang/python: 3.10.6_p2::gentoo
dev-lang/rust: 1.62.1::gentoo
dev-util/ccache: 4.5.1::gentoo
dev-util/cmake: 3.22.4::gentoo
dev-util/meson: 0.62.2::gentoo
sys-apps/baselayout: 2.8::gentoo
sys-apps/openrc: 0.44.10::gentoo
sys-apps/sandbox: 2.29::gentoo
sys-devel/autoconf: 2.13-r2::gentoo, 2.71-r1::gentoo
sys-devel/automake: 1.16.5::gentoo
sys-devel/binutils: 2.38-r2::gentoo
sys-devel/binutils-config: 5.4.1::gentoo
sys-devel/clang: 14.0.6-r1::gentoo
sys-devel/gcc: 11.3.0::gentoo
sys-devel/gcc-config: 2.5-r1::gentoo
sys-devel/libtool: 2.4.7::gentoo
sys-devel/lld: 14.0.6::gentoo
sys-devel/llvm: 14.0.6-r2::gentoo
sys-devel/make: 4.3::gentoo
sys-kernel/linux-headers: 5.15-r3::gentoo (virtual/os-headers)
sys-libs/glibc: 2.35-r8::gentoo
Repositories:
crossdev
location: /var/db/repos/crossdev
masters: gentoo
steam-overlay
location: /var/db/repos/steam-overlay
sync-type: git
sync-uri: https://github.com/gentoo-mirror/steam-overlay.git
masters: gentoo
gentoo
location: /usr/portage
sync-type: git
sync-uri: https://github.com/gentoo-mirror/gentoo.git
priority: 1000
ABI="amd64"
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ARCH="amd64"
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BROOT=""
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CASROOT="/usr"
CBUILD="x86_64-pc-linux-gnu"
CFLAGS="-march=native -O3 -pipe"
CFLAGS_amd64="-m64"
CFLAGS_x32="-mx32"
CFLAGS_x86="-m32"
CHOST="x86_64-pc-linux-gnu"
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CHOST_x86="i686-pc-linux-gnu"
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CONFIG_PROTECT="/etc /usr/lib64/libreoffice/program/sofficerc /usr/share/config /usr/share/easy-rsa /usr/share/gnupg/qualified.txt"
CONFIG_PROTECT_MASK="/etc/ca-certificates.conf /etc/dconf /etc/env.d /etc/fonts/fonts.conf /etc/gconf /etc/gentoo-release /etc/revdep-rebuild /etc/sandbox.d /etc/terminfo /etc/texmf/language.dat.d /etc/texmf/language.def.d /etc/texmf/updmap.d /etc/texmf/web2c"
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CSF_MIGRATION_TYPES="/usr/share/opencascade/resources/StdResource/MigrationSheet.txt"
CSF_PluginDefaults="/usr/share/opencascade/resources/StdResource"
CSF_SHMessage="/usr/share/opencascade/resources/SHMessage"
CSF_STEPDefaults="/usr/share/opencascade/resources/XSTEPResource"
CSF_ShadersDirectory="/usr/share/opencascade/resources/Shaders"
CSF_StandardDefaults="/usr/share/opencascade/resources/StdResource"
CSF_StandardLiteDefaults="/usr/share/opencascade/resources/StdResource"
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CSF_XCAFDefaults="/usr/share/opencascade/resources/StdResource"
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CSF_XmlOcafResource="/usr/share/opencascade/resources/XmlOcafResource"
CXXFLAGS="-march=native -O3 -pipe"
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FETCHCOMMAND_SSH="bash -c "x=\${2#ssh://} ; host=\${x%%/*} ; port=\${host##*:} ; host=\${host%:*} ; [[ \${host} = \${port} ]] && port= ; exec rsync --rsh=\"ssh \${port:+-p\${port}} \${3}\" -avP \"\${host}:/\${x#*/}\" \"\$1\"" rsync "${DISTDIR}/${FILE}" "${URI}" "${PORTAGE_SSH_OPTS}""
FFLAGS="-O2 -pipe"
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GCC_SPECS=""
GENTOO_MIRRORS="https://gentoo.c3sl.ufpr.br/ http://mirror.leaseweb.com/gentoo/ http://mirror.ufro.cl/gentoo/ http://gentoo.mirrors.ovh.net/gentoo-distfiles/ https://mirror.leaseweb.com/gentoo/ http://ftp.free.fr/mirrors/ftp.gentoo.org/ https://mirror.ufro.cl/gentoo/"
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JDK_HOME="/etc/java-config-2/current-system-vm"
KERNEL="linux"
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LAMMPS_POTENTIALS="/home/eltonfc/.local/share/lammps/potentials"
LANG="pt_BR.UTF-8"
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LDFLAGS="-Wl,-O1 -Wl,--as-needed -Wl,--as-needed"
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LESS="-R -M --shift 5"
LESSOPEN="|lesspipe %s"
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LIBDIR_x32="libx32"
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LIBREOFFICE_EXTENSIONS="presenter-console presenter-minimizer"
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ROOT="/"
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SYSROOT="/"
TERM="screen.xterm-256color"
TERMCAP="SC|screen.xterm-256color|VT 100/ANSI X3.64 virtual terminal:DO=\E[%dB:LE=\E[%dD:RI=\E[%dC:UP=\E[%dA:bs:bt=\E[Z:cd=\E[J:ce=\E[K:cl=\E[H\E[J:cm=\E[%i%d;%dH:ct=\E[3g:do=^J:nd=\E[C:pt:rc=\E8:rs=\Ec:sc=\E7:st=\EH:up=\EM:le=^H:bl=^G:cr=^M:it#8:ho=\E[H:nw=\EE:ta=^I:is=\E)0:li#61:co#159:am:xn:xv:LP:sr=\EM:al=\E[L:AL=\E[%dL:cs=\E[%i%d;%dr:dl=\E[M:DL=\E[%dM:dc=\E[P:DC=\E[%dP:im=\E[4h:ei=\E[4l:mi:IC=\E[%d@:ks=\E[?1h\E=:ke=\E[?1l\E>:vi=\E[?25l:ve=\E[34h\E[?25h:vs=\E[34l:ti=\E[?1049h:te=\E[?1049l:us=\E[4m:ue=\E[24m:so=\E[3m:se=\E[23m:mb=\E[5m:md=\E[1m:mh=\E[2m:mr=\E[7m:me=\E[m:ms:Co#8:pa#64:AF=\E[3%dm:AB=\E[4%dm:op=\E[39;49m:AX:vb=\Eg:G0:as=\E(0:ae=\E(B:ac=\140\140aaffggjjkkllmmnnooppqqrrssttuuvvwwxxyyzz{{||}}~~..--++,,hhII00:po=\E[5i:pf=\E[4i:Z0=\E[?3h:Z1=\E[?3l:Km=\E[<:k0=\E[10~:k1=\EOP:k2=\EOQ:k3=\EOR:k4=\EOS:k5=\E[15~:k6=\E[17~:k7=\E[18~:k8=\E[19~:k9=\E[20~:k;=\E[21~:F1=\E[23~:F2=\E[24~:kB=\E[Z:kh=\E[1~:@1=\E[1~:kH=\E[4~:@7=\E[4~:kN=\E[6~:kP=\E[5~:kI=\E[2~:kD=\E[3~:ku=\EOA:kd=\EOB:kr=\EOC:kl=\EOD:km:"
TEXMFCONFIG="/home/eltonfc/.texmf"
TWISTED_DISABLE_WRITING_OF_PLUGIN_CACHE="1"
UNCACHED_ERR_FD=""
UNINSTALL_IGNORE="/boot/dtbs/* /lib/modules/* /var/run /var/lock"
USE="#imagemagick X a52 aac acl acpi aes alsa amd64 amr avx avx2 bash-completion bitmap-fonts bluetooth branding bzip2 cairo cdda cdr cleartype cli corefonts crypt cups dbus dri dts dvd dvdr elogind encode exif f16c fat ffmpeg flac fma3 fontconfig fortran gdbm gif gnuplot gnutls gpm gtk gui hddtemp hdf5 iconv icu id3tag jpeg lapack lcms libglvnd libnotify libtirpc lm_sensors mad mmx mmxext mng mp3 mp4 mpeg multilib ncurses nls nptl ntfs offensive ogg opengl openmp pam pango pclmul pcre pdf png policykit popcnt postscript ppds pulseaudio python qt5 readline scanner sdl seccomp spell split-usr sse sse2 sse3 sse4_1 sse4_2 ssl ssse3 startup-notification svg threads tiff truetype udev udisks unicode upower usb v4l vorbis vulkan wxwidgets x264 xattr xcb xml xv xvid zlib" ABI_X86="32 64" ADA_TARGET="gnat_2020" APACHE2_MODULES="authn_core authz_core socache_shmcb unixd actions alias auth_basic authn_alias authn_anon authn_dbm authn_default authn_file authz_dbm authz_default authz_groupfile authz_host authz_owner authz_user autoindex cache cgi cgid dav dav_fs dav_lock deflate dir disk_cache env expires ext_filter file_cache filter headers include info log_config logio mem_cache mime mime_magic negotiation rewrite setenvif speling status unique_id userdir usertrack vhost_alias" CALLIGRA_FEATURES="karbon sheets words" CAMERAS="canon" COLLECTD_PLUGINS="df interface irq load memory rrdtool swap syslog" CPU_FLAGS_X86="aes avx avx2 f16c fma3 mmx mmxext pclmul popcnt sse sse2 sse3 sse4_1 sse4_2 ssse3" ELIBC="glibc" GPSD_PROTOCOLS="ashtech aivdm earthmate evermore fv18 garmin garmintxt gpsclock greis isync itrax mtk3301 nmea ntrip navcom oceanserver oldstyle oncore rtcm104v2 rtcm104v3 sirf skytraq superstar2 timing tsip tripmate tnt ublox ubx" GRUB_PLATFORMS="emu efi-64 pc" INPUT_DEVICES="evdev synapticsi wacom" KERNEL="linux" L10N="pt-BR en-US pt en" LCD_DEVICES="bayrad cfontz cfontz633 glk hd44780 lb216 lcdm001 mtxorb ncurses text" LIBREOFFICE_EXTENSIONS="presenter-console presenter-minimizer" LUA_SINGLE_TARGET="lua5-1" LUA_TARGETS="lua5-1" OFFICE_IMPLEMENTATION="libreoffice" PHP_TARGETS="php7-4 php8-0" POSTGRES_TARGETS="postgres12 postgres13" PYTHON_SINGLE_TARGET="python3_10" PYTHON_TARGETS="python3_10" QEMU_SOFTMMU_TARGETS="i386 x86_64 arm aarch64" QEMU_USER_TARGETS="i386 x86_64 arm aarch64" RUBY_TARGETS="ruby27" SANE_BACKENDS="hp" USERLAND="GNU" VIDEO_CARDS="intel nvidia" XTABLES_ADDONS="quota2 psd pknock lscan length2 ipv4options ipset ipp2p iface geoip fuzzy condition tee tarpit sysrq proto steal rawnat logmark ipmark dhcpmac delude chaos account"
USER="eltonfc"
USERLAND="GNU"
USE_EXPAND="ABI_MIPS ABI_S390 ABI_X86 ADA_TARGET ALSA_CARDS APACHE2_MODULES APACHE2_MPMS CALLIGRA_FEATURES CAMERAS COLLECTD_PLUGINS CPU_FLAGS_ARM CPU_FLAGS_PPC CPU_FLAGS_X86 CURL_SSL ELIBC FFTOOLS GPSD_PROTOCOLS GRUB_PLATFORMS INPUT_DEVICES KERNEL L10N LCD_DEVICES LIBREOFFICE_EXTENSIONS LLVM_TARGETS LUA_SINGLE_TARGET LUA_TARGETS MONKEYD_PLUGINS NGINX_MODULES_HTTP NGINX_MODULES_MAIL NGINX_MODULES_STREAM OFFICE_IMPLEMENTATION OPENMPI_FABRICS OPENMPI_OFED_FEATURES OPENMPI_RM PHP_TARGETS POSTGRES_TARGETS PYTHON_SINGLE_TARGET PYTHON_TARGETS QEMU_SOFTMMU_TARGETS QEMU_USER_TARGETS ROS_MESSAGES RUBY_TARGETS SANE_BACKENDS USERLAND UWSGI_PLUGINS VIDEO_CARDS VOICEMAIL_STORAGE XTABLES_ADDONS"
USE_EXPAND_HIDDEN="ABI_MIPS ABI_S390 CPU_FLAGS_ARM CPU_FLAGS_PPC ELIBC KERNEL USERLAND"
USE_EXPAND_IMPLICIT="ARCH ELIBC KERNEL USERLAND"
USE_EXPAND_UNPREFIXED="ARCH"
USE_EXPAND_VALUES_ARCH="alpha amd64 amd64-linux arm arm64 arm64-macos hppa ia64 loong m68k mips ppc ppc64 ppc64-linux ppc-macos riscv s390 sparc sparc64-solaris sparc-solaris x64-cygwin x64-macos x64-solaris x64-winnt x86 x86-linux x86-solaris x86-winnt"
USE_EXPAND_VALUES_ELIBC="bionic Cygwin Darwin glibc mingw musl SunOS Winnt"
USE_EXPAND_VALUES_KERNEL="Darwin linux SunOS Winnt"
USE_EXPAND_VALUES_USERLAND="BSD GNU"
USE_ORDER="env:pkg:conf:defaults:pkginternal:features:repo:env.d"
VBOX_APP_HOME="/usr/lib64/virtualbox"
VIDEO_CARDS="intel nvidia"
VTE_VERSION="6800"
WINDOW="1"
WINDOWID="113246211"
XAUTHORITY="/root/.xauth9Wt9zm"
XDG_CONFIG_DIRS="/etc/xdg"
XDG_CURRENT_DESKTOP="XFCE"
XDG_DATA_DIRS="/usr/local/share:/usr/share"
XDG_MENU_PREFIX="xfce-"
XDG_RUNTIME_DIR="/run/user/1000"
XDG_SEAT="seat0"
XDG_SESSION_CLASS="user"
XDG_SESSION_ID="2"
XDG_SESSION_TYPE="x11"
XDG_VTNR="7"
XFCE_PLUGINS="brightness clock"
XSESSION="Xfce4"
XTABLES_ADDONS="quota2 psd pknock lscan length2 ipv4options ipset ipp2p iface geoip fuzzy condition tee tarpit sysrq proto steal rawnat logmark ipmark dhcpmac delude chaos account"
enable_year2038="no"
|
| /etc/X11/xorg.conf.d/10-kbd.conf: |
Section "InputClass"
Identifier "keyboard-all"
Driver "evdev"
MatchIsKeyboard "on"
Option "XkbRules" "evdev"
Option "XkbModel" "pc105,abnt2"
Option "XkbLayout" "us,br"
Option "XkbVariant" "intl,abnt2"
Option "XkbOptions" "grp:shift_toggle,grp_led:scroll,compose:rwin-altgr"
# The example above configures US and Brazilian keyboard layouts with
# Left Shift+Right Shift as shortcut to alternate between them.
# Brazilian layout is signalled by Scroll Lock LED on the keyboard.
# https://wiki.gentoo.org/wiki/Keyboard_layout_switching#Using_system-wide_configured_layouts_and_shortcut
#Option "XkbOptions" "grp:lctrl_lwin_rctrl_menu"
EndSection
|
My question is: Is it possible to disable this visual feedback and recover the historiucal behavior of only sending a character to the text field after it's fully input? I don't think it's going to be productive submitting bug reports to all devs in order to fix this, because it seems to involve also some javascript frameworks and not necessarily the browser.
I searched online and the only relevant result was this exact question without a response.
Something that could also be helpful are some keywords related to this so I can better filter my searches: xinput deadkeys feedback?
Thanks!
EDIT I'm using XFCE and now I'm not sure if it's an X thing, a GTK thing or a XFCE thing. Fact is that deadkey input is erratic on firefox, telegram and other places. |
|
Desktop Environments
