FWIW - I have a stock Ubuntu 19.10 installation and I'm seeing some issues here.
Specifically I'm seeing issues using the fzf plugin which has <C-u>,
<C-p> and <C-n> mapped.
The only setup that works for me is to disable this feature via:
let &t_TI = ""
let &t_TE = ""
It's highly possible I'm doing something wrong here so any direction
would be appreciated because I would like to get this working.
I tried the following settings in my .Xsession:
XTerm*vt100.modifyOtherKeys: 1
Then I tried:
XTerm*vt100.modifyOtherKeys: 2
which broke bash. So it appears this setting does have an effect.
Then I tried setting:
let &t_TI = "\<Esc>[>4;2m"
let &t_TE = "\<Esc>[>4;m"
in my .vimrc.
But none of these combinations "worked".
As you can probably tell I'm not really sure what I'm doing here :)
But it does appear that the modifyOtherKeys setting change did have an
effect (because setting it to 2 broke bash)
Any ideas?
On Sun, 20 Oct 2019 at 18:53, Bram Moolenaar <[email protected]> wrote:
>
>
> Patch 8.1.2194
> Problem: ModifyOtherKeys is not enabled by default.
> Solution: Add t_TI and t_TE to the builtin xterm termcap.
> Files: runtime/doc/map.txt, src/term.c
>
>
> *** ../vim-8.1.2193/runtime/doc/map.txt 2019-05-05 18:11:46.316590662 +0200
> --- runtime/doc/map.txt 2019-10-20 19:21:07.285238563 +0200
> ***************
> *** 20,26 ****
> 1.8 Examples |map-examples|
> 1.9 Using mappings |map-typing|
> 1.10 Mapping alt-keys |:map-alt-keys|
> ! 1.11 Mapping an operator |:map-operator|
> 2. Abbreviations |abbreviations|
> 3. Local mappings and functions |script-local|
> 4. User-defined commands |user-commands|
> --- 20,27 ----
> 1.8 Examples |map-examples|
> 1.9 Using mappings |map-typing|
> 1.10 Mapping alt-keys |:map-alt-keys|
> ! 1.11 Mapping in modifyOtherKeys mode |modifyOtherKeys|
> ! 1.12 Mapping an operator |:map-operator|
> 2. Abbreviations |abbreviations|
> 3. Local mappings and functions |script-local|
> 4. User-defined commands |user-commands|
> ***************
> *** 777,782 ****
> --- 778,786 ----
> always work. But in a terminal Vim gets a sequence of bytes and has to
> figure
> out whether ALT was pressed or not.
>
> + If the terminal supports the modifyOtherKeys mode and it has been enabled,
> + then Vim can recognize more key combinations, see |modifyOtherKeys| below.
> +
> By default Vim assumes that pressing the ALT key sets the 8th bit of a typed
> character. Most decent terminals can work that way, such as xterm, aterm
> and
> rxvt. If your <A-k> mappings don't work it might be that the terminal is
> ***************
> *** 814,820 ****
> using other applications but not when inside Vim.
>
>
> ! 1.11 MAPPING AN OPERATOR *:map-operator*
>
> An operator is used before a {motion} command. To define your own operator
> you must create mapping that first sets the 'operatorfunc' option and then
> --- 818,848 ----
> using other applications but not when inside Vim.
>
>
> ! 1.11 MAPPING IN modifyOtherKeys mode *modifyOtherKeys*
> !
> ! Xterm and a few other terminals can be put in a mode where keys with
> modifiers
> ! are sent with a special escape code. Vim recognizes these codes and can
> then
> ! make a difference between CTRL-H and Backspace, even when Backspace sends
> the
> ! character 8. And many more special keys.
> !
> ! For xterm modifyOtherKeys is enabled in the builtin termcap entry. If this
> is
> ! not used you can enable modifyOtherKeys with these lines in your vimrc: >
> ! let &t_TI = "\<Esc>[>4;2m"
> ! let &t_TE = "\<Esc>[>4;m"
> !
> ! In case the modifyOtherKeys mode causes problems you can disable it: >
> ! let &t_TI = ""
> ! let &t_TE = ""
> ! It does not take effect immediately. To have this work without restarting
> Vim
> ! execute a shell command, e.g.: `!ls`
> !
> ! A known side effect effect is that in Insert mode the raw escape sequence is
> ! inserted after the CTRL-V key. This can be used to check whether
> ! modifyOtherKeys is enabled: In Insert mode type CTRL-V CTRL-V, if you get
> ! one byte then modifyOtherKeys is off, if you get <1b>27;5;118~ then it is
> on.
> !
> !
> ! 1.12 MAPPING AN OPERATOR *:map-operator*
>
> An operator is used before a {motion} command. To define your own operator
> you must create mapping that first sets the 'operatorfunc' option and then
> *** ../vim-8.1.2193/src/term.c 2019-10-18 21:26:01.607768532 +0200
> --- src/term.c 2019-10-20 19:04:11.227750515 +0200
> ***************
> *** 912,917 ****
> --- 912,919 ----
> {(int)KS_TE, IF_EB("\033[2J\033[?47l\0338",
> ESC_STR "[2J" ESC_STR_nc "[?47l" ESC_STR_nc
> "8")},
> # endif
> + {(int)KS_CTI, IF_EB("\033[>4;2m", ESC_STR_nc "[>4;2m")},
> + {(int)KS_CTE, IF_EB("\033[>4;m", ESC_STR_nc "[>4;m")},
> {(int)KS_CIS, IF_EB("\033]1;", ESC_STR "]1;")},
> {(int)KS_CIE, "\007"},
> {(int)KS_TS, IF_EB("\033]2;", ESC_STR "]2;")},
> *** ../vim-8.1.2193/src/version.c 2019-10-20 18:45:59.716195126 +0200
> --- src/version.c 2019-10-20 19:21:55.341075217 +0200
> ***************
> *** 743,744 ****
> --- 743,746 ----
> { /* Add new patch number below this line */
> + /**/
> + 2194,
> /**/
>
> --
> ARTHUR: Old woman!
> DENNIS: Man!
> ARTHUR: Man. I'm sorry. Old man, What knight live in that castle over there?
> DENNIS: I'm thirty-seven.
> "Monty Python and the Holy Grail" PYTHON (MONTY) PICTURES LTD
>
> /// Bram Moolenaar -- [email protected] -- http://www.Moolenaar.net \\\
> /// sponsor Vim, vote for features -- http://www.Vim.org/sponsor/ \\\
> \\\ an exciting new programming language -- http://www.Zimbu.org ///
> \\\ help me help AIDS victims -- http://ICCF-Holland.org ///
>
> --
> --
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