On Thursday, December 20, 2018 at 11:23:07 PM UTC-8, Yee Cheng Chin wrote: > Kevin, are you using MacVim GUI or Terminal? > > > Terminal: > This is really implementation specific, but your best bet (if you are using > Apple Terminal) is to enable the "Use Option as Meta Key" option, and then > set the meta keys to the escape sequences similar to how Linux terminals work. > > > MacVim GUI: > Add this to your vimrc: "set macmeta". It will allow mapping <M-j> etc work, > similar to gvim. > > > Just some additional notes about macmeta. It has a couple caveats: > * You can't use the macOS specific Meta key combos to enter special text. For > example, in normal Mac applications, Cmd-; will enter "…", but if you turn on > macmeta, it will enter "»" instead which is similar to how GVim works in > other platforms. > * There are times where accented characters like å will interferer with your > mappings. For example, typing å in MacVim with macmeta on is the same as > typing Alt-e. See https://github.com/macvim-dev/macvim/issues/768 for more > info. > > > One of the things on my list to look into is to make Meta / Ctrl mappings > always work in MacVim. Vim GUIs tend to be a facade where they really pretend > to be a terminal under-the-hood. In particular, it pretends to be a terminal > with "8-bit" escape sequences (see ":help xterm-8bit"), which I think is kind > of a relic of the terminal nature of Vim. The GUI has more information than a > terminal app and can afford to treat meta key sequences separately from > normal unicode characters. To properly fix it probably requires some fix in > how Vim handles key input though (unless MacVim unilaterally makes such a > change). > > > On Thu, Dec 20, 2018 at 4:15 PM Tony Mechelynck <[email protected]> > wrote: > On Friday, December 21, 2018 at 12:52:16 AM UTC+1, Kevin Gao wrote: > > > Hello folks, > > > > > > I would like to know: Is there an easy to remap alt key which is consistent > > with gvim on Windows and Linux? > > > > > > On Windows/Linux, > > > inoremap <a-1> :echo "??? "<cr> > > > works. > > > > > > But on MacVim, it does not work. > > > > > > I check online: some one suggested this solution: > > https://stackoverflow.com/questions/7501092/can-i-map-alt-key-in-vim (1st > > solution). > > > > > > The 1st solution is very bad to me, because it means I've to remap all alt > > keys, only for MacVim, which is very tedious. > > > > > > So is there an easy to remap alt key which is consistent with gvim on > > Windows and Linux? > > > > > > Thanks for your reply. > > > > Some keys and key combinations are seen or not seen, or seen as different or > as identical, different ways on different operating systems, indeed sometimes > between gvim and Vim-in-Console on a single operating system. > > > > The only way that I know of to use mappings consistently over all OSes, > terminals and GUIs is to only use keys and key combinations which are seen, > and seen as different, in all environments. This may require some trial and > error but over the time I have come upon some rules of thumb: > > > > - Printing keys are usually seen, and seen as different, everywhere, but most > of those corresponding to an ASCII character, i.e. to something not higher > than 0x7F, are already in use by Vim and should not be remapped. If your > keyboard (and keyboard driver) can consistently produce printing keys above > 0x7F (mine has §éèçಳù£µ plus quite a number of AltGr combinations) then > those keys are candidates for remapping in Normal mode but maybe not in > Insert mode. > > - F keys are usually seen. Shift-F keys are usually seen in gvim but might be > confused with the corresponding unshifted F keys when running in a terminal. > Of these, F1 is usually reserved for Help and F10 is often reserved for Menu. > Ctrl-F keys are usually preempted on Linux by the X11 window manager and thus > usually won't reach Vim or gvim on Linux, so they should be avoided if > compatibility with Linux is important to you. > > - Cursor keys are usually seen, but they have so useful default bindings that > IMHO they should not be remapped. > > - Alt+printable keys are often seen as no different than the same key with no > Alt but with the keycode ORed with 0x80. Alt+non-printable keys may or may > not be seen, and if seen they might be seen as the same combo with fewer > modifiers. > > > > Best regards, > > Tony. > > > > -- > > -- > > You received this message from the "vim_mac" maillist. > > Do not top-post! Type your reply below the text you are replying to. > > For more information, visit http://www.vim.org/maillist.php > > > > --- > > You received this message because you are subscribed to the Google Groups > "vim_mac" group. > > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > > For more options, visit https://groups.google.com/d/optout.
Yes, it working. Thanks for letting me know. Yes, please "make Meta / Ctrl mappings always work in MacVim", which is also important. Thanks for your work. -- -- You received this message from the "vim_mac" maillist. Do not top-post! Type your reply below the text you are replying to. For more information, visit http://www.vim.org/maillist.php --- You received this message because you are subscribed to the Google Groups "vim_mac" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
