> On Tue, 29 Sep 2020, Phyllis Smith via Cin wrote: > > > A program called "xev" that you can type at the prompt on a window which > > brings up a square box but if you move the mouse to that little window and > > type a character, it shows you what the key name is. For left alt, it is > > Alt_L but right alt has no name. Another anomaly is the left ctrl key > > which is Ctrl_L and the right ctrl key which is Ctrl_R.
Another collegue has tested right Alt on his computer, and it did also work. He has Opensuse and XFCE desktop (he also hates KDE). > Just now I have checked the same behavior on my computer at work with xev: > > Left Ctrl is called Control_L, keycode 37, keysym 0xffe3 > Right Ctrl is called Control_R, keycode 105, keysym 0xffe4 > Left Alt is called Alt_L, keycode 64, keysym 0xffe9 > Right Alt is called Alt_R, keycode 108, keysym 0xffea > > So, the right Alt key is active, an application can use it just as it uses > left Alt. > > Which key has which name, and whether an X11 application is given chance to > see it at all, depends on the Xorg server configuration: XkbLayout, > XkbVariant, XkbOptions etc. > > After that, keystrokes may be catched by the window manager and, may be, > some special key interceptors like, for example, language switchers in > multilingual keyboard configurations, or accessibility tools emulating, for > example, mouse motion via some combination of keys. > > For example, I have the following configs: > > X.Org X Server 1.9.5 > Option "XkbLayout" "us+ru3" > Option "XkbOptions" "terminate:ctrl_alt_bksp,grp:shifts_toggle,grp_led:scroll" > Window manager fvwm-2.6.1 (neither KDE nor GNOME) > Keyboard language switcher xxkb > > The xxkb switcher uses a rather exotic key combination Shift_L+Shift_R > > The window manager uses several key bindings: > > Menu - to set keyboard focus to a selected window > Alt/Shift/Left (Right, Up, Down) to move cursor discretely without mouse > > Of course I cannot use the same combinations in any application. Should I > wish to use Alt/Shift/Left in Cinelerra, for example, then I have firstly to > remove the corresponding definitions from my fvwm configfile. _______________________________________________________________________________ Georgy Salnikov NMR Group Novosibirsk Institute of Organic Chemistry Lavrentjeva, 9, 630090 Novosibirsk, Russia Phone +7-383-3307864 Email [email protected] _______________________________________________________________________________ -- Cin mailing list [email protected] https://lists.cinelerra-gg.org/mailman/listinfo/cin
