Re: Playing Card Symbols
On 28/03/2023 03:10, Greg Wooledge wrote:
In all 3 terminals, Ctrl-Shift-U simply acts like Ctrl-U. If there's
already text typed at the bash prompt, it's all erased. If there's no
text typed at the bash prompt, it beeps.
It may depend on X inputMethod setting in xterm, whether ibus or some
other input method application is running, values of some environment
variables that controls behavior or UI toolkits. Some examples that may
be partially obsolete:
Gnome settings (input method can not be disabled):
- org.freedesktop.ibus.panel.emoji unicode-hotkey ['<Control><Shift>u']
- org.freedesktop.ibus.panel.emoji hotkey ['<Control><Shift>e']
Unsure if the following affects something nowadays, but several years
ago I used it to allow [Ctrl+Shift+u] shortcut in QtCreator and to avoid
annoying delay of keyboard layout switching in the case of ibus (Xkb
works instantly)
GTK_IM_MODULE= #ibus
QT_IM_MODULE= #ibus
XMODIFIERS= #"@im=ibus"
And more similar variables:
QT4_IM_MODULE=ibus
CLUTTER_IM_MODULE=ibus
I spent some time trying to find a good description of ibus
infrastructure and its interaction with other applications. Finally I
decided that it is hardly useful for me since I do not need features
must have for CJK. On the other hand input methods such as LaTeX do not
play well with non-latin Xkb layout.
Compose key is a Xkb feature and works independently of ibus.
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