mapping ALT-backspace

[meino.cramer]

Hi,

the zsh I am using is recoginzing ALT-backspace as "delete one
word backward", which is very handy.

Unfortunately I have not found a way to map this in a similiar
way for vim.

How can I map ALT-backspace in vim?

Thank you very much in advance for any help!
Best regards,
mcc

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[Tony Mechelynck]

On 02/11/11 03:53, [hidden email] wrote:

> Hi,
>
> the zsh I am using is recoginzing ALT-backspace as "delete one
> word backward", which is very handy.
>
> Unfortunately I have not found a way to map this in a similiar
> way for vim.
>
> How can I map ALT-backspace in vim?
>
> Thank you very much in advance for any help!
> Best regards,
> mcc
>

In Console Vim, it may depend on your terminal: I'm not sure that every
terminal passes something recognizable to Vim when you hit Alt-Backspace.

In gvim, it's <M-BS> and my gvim (with GTK2/Gnome2 GUI) sees it.

To see if Vim gets something when you hit that key combo, open Vim in
Insert mode in an empty buffer and hit Ctrl-V followed by Alt-Backspace,
then Ctrl-K followed by Alt-Backspace. If you don't get anything, Vim
hasn't seen the keypress. If it sees something, in gvim you should see
the <> equivazlent in both cases; in Console Vim you should see the
bytes passed by the keyboard interface after Ctrl-V, or the <>
equivalent (here, <M-BS>, unless the keyboard passes something else)
after Ctrl-K.

In Insert mode, to delete the word before the cursor you can hit Ctrl-W,
see :help i_CTRL-W

In Normal mode, you should be able to use Shift-Left as a modifier to
the d (delete) command, to delete [count] words leftwards, or the
command daw ("delete a word") to delete the word under the cursor (on
both sides) and the white space on one side of it. See :help text-objects


Best regards,
Tony.
--
hundred-and-one symptoms of being an internet addict:
209. Your house stinks because you haven't cleaned it in a week.

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[meino.cramer]

Tony Mechelynck <[hidden email]> [11-11-02 06:40]:

> On 02/11/11 03:53, [hidden email] wrote:
> >Hi,
> >
> >the zsh I am using is recoginzing ALT-backspace as "delete one
> >word backward", which is very handy.
> >
> >Unfortunately I have not found a way to map this in a similiar
> >way for vim.
> >
> >How can I map ALT-backspace in vim?
> >
> >Thank you very much in advance for any help!
> >Best regards,
> >mcc
> >
>
> In Console Vim, it may depend on your terminal: I'm not sure that every
> terminal passes something recognizable to Vim when you hit
> Alt-Backspace.
>
> In gvim, it's <M-BS> and my gvim (with GTK2/Gnome2 GUI) sees it.
>
> To see if Vim gets something when you hit that key combo, open Vim in
> Insert mode in an empty buffer and hit Ctrl-V followed by
> Alt-Backspace, then Ctrl-K followed by Alt-Backspace. If you don't get
> anything, Vim hasn't seen the keypress. If it sees something, in gvim
> you should see the <> equivazlent in both cases; in Console Vim you
> should see the bytes passed by the keyboard interface after Ctrl-V, or
> the <> equivalent (here, <M-BS>, unless the keyboard passes something
> else) after Ctrl-K.
>
> In Insert mode, to delete the word before the cursor you can hit
> Ctrl-W, see :help i_CTRL-W
>
> In Normal mode, you should be able to use Shift-Left as a modifier to
> the d (delete) command, to delete [count] words leftwards, or the
> command daw ("delete a word") to delete the word under the cursor (on
> both sides) and the white space on one side of it. See :help
> text-objects
>
>
> Best regards,
> Tony.
> --
> hundred-and-one symptoms of being an internet addict:
> 209. Your house stinks because you haven't cleaned it in a week.
>
> --
> You received this message from the "vim_use" 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
>

Hi Tony,

Thank you very much for your explanations. Since I am using console
vim most of the time I am trying to get it working there.

The result of the test is, that vim doesn't see any of the keypresses.
You wrote that is due to the terminal.

I dont understand this completly I fear...

The zsh, running under the same terminal adn which was the one startet
vim, does see ALT-nackspace.

What I am doing/inderstanding wrong here?

Best regards,
mcc


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[Tony Mechelynck]

On 03/11/11 03:54, [hidden email] wrote:

> Tony Mechelynck<[hidden email]>  [11-11-02 06:40]:
>> On 02/11/11 03:53, [hidden email] wrote:
>>> Hi,
>>>
>>> the zsh I am using is recoginzing ALT-backspace as "delete one
>>> word backward", which is very handy.
>>>
>>> Unfortunately I have not found a way to map this in a similiar
>>> way for vim.
>>>
>>> How can I map ALT-backspace in vim?
>>>
>>> Thank you very much in advance for any help!
>>> Best regards,
>>> mcc
>>>
>>
>> In Console Vim, it may depend on your terminal: I'm not sure that every
>> terminal passes something recognizable to Vim when you hit
>> Alt-Backspace.
>>
>> In gvim, it's<M-BS>  and my gvim (with GTK2/Gnome2 GUI) sees it.
>>
>> To see if Vim gets something when you hit that key combo, open Vim in
>> Insert mode in an empty buffer and hit Ctrl-V followed by
>> Alt-Backspace, then Ctrl-K followed by Alt-Backspace. If you don't get
>> anything, Vim hasn't seen the keypress. If it sees something, in gvim
>> you should see the<>  equivazlent in both cases; in Console Vim you
>> should see the bytes passed by the keyboard interface after Ctrl-V, or
>> the<>  equivalent (here,<M-BS>, unless the keyboard passes something
>> else) after Ctrl-K.
>>
>> In Insert mode, to delete the word before the cursor you can hit
>> Ctrl-W, see :help i_CTRL-W
>>
>> In Normal mode, you should be able to use Shift-Left as a modifier to
>> the d (delete) command, to delete [count] words leftwards, or the
>> command daw ("delete a word") to delete the word under the cursor (on
>> both sides) and the white space on one side of it. See :help
>> text-objects
>>
>>
>> Best regards,
>> Tony.
>> --
>> hundred-and-one symptoms of being an internet addict:
>> 209. Your house stinks because you haven't cleaned it in a week.
>>
>> --
>> You received this message from the "vim_use" 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
>>
>
>
> Hi Tony,
>
> Thank you very much for your explanations. Since I am using console
> vim most of the time I am trying to get it working there.
>
> The result of the test is, that vim doesn't see any of the keypresses.
> You wrote that is due to the terminal.
>
> I dont understand this completly I fear...
>
> The zsh, running under the same terminal adn which was the one startet
> vim, does see ALT-nackspace.
>
> What I am doing/inderstanding wrong here?
>
> Best regards,
> mcc
>
>

I don't know. Maybe nothing: Vim in Windows console uses "cooked" input
IIRC, and that puts it more at the mercy of the DOS-like keyboard driver
than if it used "raw" input; but OTOH (IIUC), "raw" input would read
AaZzQqWwMm incorrectly on AZERTY keyboards, YyZz and maybe Ww on QWERTZ
keyboards, and practically everything on Dvorak keyboards, not to
mention non-Latin keyboards. But maybe I don't UC.

See also :help win32-problems (I'm not sure how applicable these are to
Windows NT / XP / Vista / 7).


Best regards,
Tony.
--
We gave you an atomic bomb, what do you want, mermaids?
                -- I. I. Rabi to the Atomic Energy Commission

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[Benjamin R. Haskell-8]

On Wed, 2 Nov 2011, [hidden email] wrote:

> Hi,
>
> the zsh I am using is recoginzing ALT-backspace as "delete one word
> backward", which is very handy.
>
> Unfortunately I have not found a way to map this in a similiar way for
> vim.
>
> How can I map ALT-backspace in vim?

Try using <Esc><BS> as your {lhs}.  Works for me under rxvt-unicode
(what I normally use) and uxterm (tested).  See the description under:

:help :map-alt-keys

for what's happening.

Most terminal emulators don't by default send what Vim assumes they
will.  Default for most terms is to send Alt+{key} as <esc> followed by
{key}, but Vim expects {key} OR'ed with 0x80.  Good emulators can be
told to send what Vim expects, and it's possibly a better situation (not
ambiguous between a literal <esc> then {key} and <alt>+{key}), but
frankly, just as often it causes problems (cf. numerous posts about
problems with mapping characters outside of US-ASCII).

--
Best,
Ben

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[meino.cramer]

Tony Mechelynck <[hidden email]> [11-11-03 17:00]:

> On 03/11/11 03:54, [hidden email] wrote:
> >Tony Mechelynck<[hidden email]>  [11-11-02 06:40]:
> >>On 02/11/11 03:53, [hidden email] wrote:
> >>>Hi,
> >>>
> >>>the zsh I am using is recoginzing ALT-backspace as "delete one
> >>>word backward", which is very handy.
> >>>
> >>>Unfortunately I have not found a way to map this in a similiar
> >>>way for vim.
> >>>
> >>>How can I map ALT-backspace in vim?
> >>>
> >>>Thank you very much in advance for any help!
> >>>Best regards,
> >>>mcc
> >>>
> >>
> >>In Console Vim, it may depend on your terminal: I'm not sure that
> >>every
> >>terminal passes something recognizable to Vim when you hit
> >>Alt-Backspace.
> >>
> >>In gvim, it's<M-BS>  and my gvim (with GTK2/Gnome2 GUI) sees it.
> >>
> >>To see if Vim gets something when you hit that key combo, open Vim in
> >>Insert mode in an empty buffer and hit Ctrl-V followed by
> >>Alt-Backspace, then Ctrl-K followed by Alt-Backspace. If you don't
> >>get
> >>anything, Vim hasn't seen the keypress. If it sees something, in gvim
> >>you should see the<>  equivazlent in both cases; in Console Vim you
> >>should see the bytes passed by the keyboard interface after Ctrl-V,
> >>or
> >>the<>  equivalent (here,<M-BS>, unless the keyboard passes something
> >>else) after Ctrl-K.
> >>
> >>In Insert mode, to delete the word before the cursor you can hit
> >>Ctrl-W, see :help i_CTRL-W
> >>
> >>In Normal mode, you should be able to use Shift-Left as a modifier to
> >>the d (delete) command, to delete [count] words leftwards, or the
> >>command daw ("delete a word") to delete the word under the cursor (on
> >>both sides) and the white space on one side of it. See :help
> >>text-objects
> >>
> >>
> >>Best regards,
> >>Tony.
> >>--
> >>hundred-and-one symptoms of being an internet addict:
> >>209. Your house stinks because you haven't cleaned it in a week.
> >>
> >>--
> >>You received this message from the "vim_use" 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
> >>
> >
> >
> >Hi Tony,
> >
> >Thank you very much for your explanations. Since I am using console
> >vim most of the time I am trying to get it working there.
> >
> >The result of the test is, that vim doesn't see any of the keypresses.
> >You wrote that is due to the terminal.
> >
> >I dont understand this completly I fear...
> >
> >The zsh, running under the same terminal adn which was the one startet
> >vim, does see ALT-nackspace.
> >
> >What I am doing/inderstanding wrong here?
> >
> >Best regards,
> >mcc
> >
> >
>
> I don't know. Maybe nothing: Vim in Windows console uses "cooked" input
> IIRC, and that puts it more at the mercy of the DOS-like keyboard
> driver than if it used "raw" input; but OTOH (IIUC), "raw" input would
> read AaZzQqWwMm incorrectly on AZERTY keyboards, YyZz and maybe Ww on
> QWERTZ keyboards, and practically everything on Dvorak keyboards, not
> to mention non-Latin keyboards. But maybe I don't UC.
>
> See also :help win32-problems (I'm not sure how applicable these are to
> Windows NT / XP / Vista / 7).
>
>
> Best regards,
> Tony.
> --
> We gave you an atomic bomb, what do you want, mermaids?
> -- I. I. Rabi to the Atomic Energy Commission
>
> --
> You received this message from the "vim_use" 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
>

Hi Tony,

I am running Linux, not windows. Sorry for not mention this...

Best regards,
mcc



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[Tony Mechelynck]

On 03/11/11 17:07, [hidden email] wrote:

> Tony Mechelynck<[hidden email]>  [11-11-03 17:00]:
>> On 03/11/11 03:54, [hidden email] wrote:
>>> Tony Mechelynck<[hidden email]>   [11-11-02 06:40]:
>>>> On 02/11/11 03:53, [hidden email] wrote:
>>>>> Hi,
>>>>>
>>>>> the zsh I am using is recoginzing ALT-backspace as "delete one
>>>>> word backward", which is very handy.
>>>>>
>>>>> Unfortunately I have not found a way to map this in a similiar
>>>>> way for vim.
>>>>>
>>>>> How can I map ALT-backspace in vim?
>>>>>
>>>>> Thank you very much in advance for any help!
>>>>> Best regards,
>>>>> mcc
>>>>>
>>>>
>>>> In Console Vim, it may depend on your terminal: I'm not sure that
>>>> every
>>>> terminal passes something recognizable to Vim when you hit
>>>> Alt-Backspace.
>>>>
>>>> In gvim, it's<M-BS>   and my gvim (with GTK2/Gnome2 GUI) sees it.
>>>>
>>>> To see if Vim gets something when you hit that key combo, open Vim in
>>>> Insert mode in an empty buffer and hit Ctrl-V followed by
>>>> Alt-Backspace, then Ctrl-K followed by Alt-Backspace. If you don't
>>>> get
>>>> anything, Vim hasn't seen the keypress. If it sees something, in gvim
>>>> you should see the<>   equivazlent in both cases; in Console Vim you
>>>> should see the bytes passed by the keyboard interface after Ctrl-V,
>>>> or
>>>> the<>   equivalent (here,<M-BS>, unless the keyboard passes something
>>>> else) after Ctrl-K.
>>>>
>>>> In Insert mode, to delete the word before the cursor you can hit
>>>> Ctrl-W, see :help i_CTRL-W
>>>>
>>>> In Normal mode, you should be able to use Shift-Left as a modifier to
>>>> the d (delete) command, to delete [count] words leftwards, or the
>>>> command daw ("delete a word") to delete the word under the cursor (on
>>>> both sides) and the white space on one side of it. See :help
>>>> text-objects
>>>>
>>>>
>>>> Best regards,
>>>> Tony.
>>>> --
>>>> hundred-and-one symptoms of being an internet addict:
>>>> 209. Your house stinks because you haven't cleaned it in a week.
>>>>
>>>> --
>>>> You received this message from the "vim_use" 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
>>>>
>>>
>>>
>>> Hi Tony,
>>>
>>> Thank you very much for your explanations. Since I am using console
>>> vim most of the time I am trying to get it working there.
>>>
>>> The result of the test is, that vim doesn't see any of the keypresses.
>>> You wrote that is due to the terminal.
>>>
>>> I dont understand this completly I fear...
>>>
>>> The zsh, running under the same terminal adn which was the one startet
>>> vim, does see ALT-nackspace.
>>>
>>> What I am doing/inderstanding wrong here?
>>>
>>> Best regards,
>>> mcc
>>>
>>>
>>
>> I don't know. Maybe nothing: Vim in Windows console uses "cooked" input
>> IIRC, and that puts it more at the mercy of the DOS-like keyboard
>> driver than if it used "raw" input; but OTOH (IIUC), "raw" input would
>> read AaZzQqWwMm incorrectly on AZERTY keyboards, YyZz and maybe Ww on
>> QWERTZ keyboards, and practically everything on Dvorak keyboards, not
>> to mention non-Latin keyboards. But maybe I don't UC.
>>
>> See also :help win32-problems (I'm not sure how applicable these are to
>> Windows NT / XP / Vista / 7).
>>
>>
>> Best regards,
>> Tony.
>> --
>> We gave you an atomic bomb, what do you want, mermaids?
>> -- I. I. Rabi to the Atomic Energy Commission
>>
>> --
>> You received this message from the "vim_use" 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
>>
>
> Hi Tony,
>
> I am running Linux, not windows. Sorry for not mention this...
>
> Best regards,
> mcc
>
>
>

Well, under Linux each different terminal (Linux console, KDE konsole,
gnome-terminal, xterm, mlterm, ...) can react differently, but gvim has
a better grasp of what you type than any of them, because there's one
fewer layer between Vim and your keyboard. For a similar reason it also
gives you better control of what you display (more colours, better
control of: fonts, multi-language texts, cursor shapes, ...). IMHO the
only job for which console Vim is better than the GUI is when displaying
RTL and LTR scripts together in a single file, in a full-bidi terminal
such as mlterm.


Best regards,
Tony.
--
It's odd, and a little unsettling, to reflect upon the fact that
English is the only major language in which "I" is capitalized; in many
other languages "You" is capitalized and the "i" is lower case.
                -- Sydney J. Harris

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[meino.cramer]

Tony Mechelynck <[hidden email]> [11-11-05 06:48]:

> On 03/11/11 17:07, [hidden email] wrote:
> >Tony Mechelynck<[hidden email]>  [11-11-03 17:00]:
> >>On 03/11/11 03:54, [hidden email] wrote:
> >>>Tony Mechelynck<[hidden email]>   [11-11-02 06:40]:
> >>>>On 02/11/11 03:53, [hidden email] wrote:
> >>>>>Hi,
> >>>>>
> >>>>>the zsh I am using is recoginzing ALT-backspace as "delete one
> >>>>>word backward", which is very handy.
> >>>>>
> >>>>>Unfortunately I have not found a way to map this in a similiar
> >>>>>way for vim.
> >>>>>
> >>>>>How can I map ALT-backspace in vim?
> >>>>>
> >>>>>Thank you very much in advance for any help!
> >>>>>Best regards,
> >>>>>mcc
> >>>>>
> >>>>
> >>>>In Console Vim, it may depend on your terminal: I'm not sure that
> >>>>every
> >>>>terminal passes something recognizable to Vim when you hit
> >>>>Alt-Backspace.
> >>>>
> >>>>In gvim, it's<M-BS>   and my gvim (with GTK2/Gnome2 GUI) sees it.
> >>>>
> >>>>To see if Vim gets something when you hit that key combo, open Vim
> >>>>in
> >>>>Insert mode in an empty buffer and hit Ctrl-V followed by
> >>>>Alt-Backspace, then Ctrl-K followed by Alt-Backspace. If you don't
> >>>>get
> >>>>anything, Vim hasn't seen the keypress. If it sees something, in
> >>>>gvim
> >>>>you should see the<>   equivazlent in both cases; in Console Vim
> >>>>you
> >>>>should see the bytes passed by the keyboard interface after Ctrl-V,
> >>>>or
> >>>>the<>   equivalent (here,<M-BS>, unless the keyboard passes
> >>>>something
> >>>>else) after Ctrl-K.
> >>>>
> >>>>In Insert mode, to delete the word before the cursor you can hit
> >>>>Ctrl-W, see :help i_CTRL-W
> >>>>
> >>>>In Normal mode, you should be able to use Shift-Left as a modifier
> >>>>to
> >>>>the d (delete) command, to delete [count] words leftwards, or the
> >>>>command daw ("delete a word") to delete the word under the cursor
> >>>>(on
> >>>>both sides) and the white space on one side of it. See :help
> >>>>text-objects
> >>>>
> >>>>
> >>>>Best regards,
> >>>>Tony.
> >>>>--
> >>>>hundred-and-one symptoms of being an internet addict:
> >>>>209. Your house stinks because you haven't cleaned it in a week.
> >>>>
> >>>>--
> >>>>You received this message from the "vim_use" 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
> >>>>
> >>>
> >>>
> >>>Hi Tony,
> >>>
> >>>Thank you very much for your explanations. Since I am using console
> >>>vim most of the time I am trying to get it working there.
> >>>
> >>>The result of the test is, that vim doesn't see any of the
> >>>keypresses.
> >>>You wrote that is due to the terminal.
> >>>
> >>>I dont understand this completly I fear...
> >>>
> >>>The zsh, running under the same terminal adn which was the one
> >>>startet
> >>>vim, does see ALT-nackspace.
> >>>
> >>>What I am doing/inderstanding wrong here?
> >>>
> >>>Best regards,
> >>>mcc
> >>>
> >>>
> >>
> >>I don't know. Maybe nothing: Vim in Windows console uses "cooked"
> >>input
> >>IIRC, and that puts it more at the mercy of the DOS-like keyboard
> >>driver than if it used "raw" input; but OTOH (IIUC), "raw" input
> >>would
> >>read AaZzQqWwMm incorrectly on AZERTY keyboards, YyZz and maybe Ww on
> >>QWERTZ keyboards, and practically everything on Dvorak keyboards, not
> >>to mention non-Latin keyboards. But maybe I don't UC.
> >>
> >>See also :help win32-problems (I'm not sure how applicable these are
> >>to
> >>Windows NT / XP / Vista / 7).
> >>
> >>
> >>Best regards,
> >>Tony.
> >>--
> >>We gave you an atomic bomb, what do you want, mermaids?
> >> -- I. I. Rabi to the Atomic Energy Commission
> >>
> >>--
> >>You received this message from the "vim_use" 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
> >>
> >
> >Hi Tony,
> >
> >I am running Linux, not windows. Sorry for not mention this...
> >
> >Best regards,
> >mcc
> >
> >
> >
>
> Well, under Linux each different terminal (Linux console, KDE konsole,
> gnome-terminal, xterm, mlterm, ...) can react differently, but gvim has
> a better grasp of what you type than any of them, because there's one
> fewer layer between Vim and your keyboard. For a similar reason it also
> gives you better control of what you display (more colours, better
> control of: fonts, multi-language texts, cursor shapes, ...). IMHO the
> only job for which console Vim is better than the GUI is when
> displaying RTL and LTR scripts together in a single file, in a
> full-bidi terminal such as mlterm.
>
>
> Best regards,
> Tony.
> --
> It's odd, and a little unsettling, to reflect upon the fact that
> English is the only major language in which "I" is capitalized; in many
> other languages "You" is capitalized and the "i" is lower case.
> -- Sydney J. Harris
>
> --
> You received this message from the "vim_use" 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
>

For me the question remains, whether zsh from which vim is started
recognizes ALT-Backspace well and vim does not... ?!

Best regards,
mcc

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[Benjamin R. Haskell-8]

On Sat, 5 Nov 2011, Tony Mechelynck wrote:

> Well, under Linux each different terminal (Linux console, KDE konsole,
> gnome-terminal, xterm, mlterm, ...) can react differently, but gvim
> has a better grasp of what you type than any of them, because there's
> one fewer layer between Vim and your keyboard. For a similar reason it
> also gives you better control of what you display (more colours,
> better control of: fonts, multi-language texts, cursor shapes, ...).
> IMHO the only job for which console Vim is better than the GUI is when
> displaying RTL and LTR scripts together in a single file, in a
> full-bidi terminal such as mlterm.

I found mlterm great for just-Arabic, but I could never quite get fonts
set up properly for displaying RTL and LTR simultaneously.

But, you're also leaving out (IMHO the best reason to use console Vim:)
how nice it is to have a consistent UI regardless of whether you're
working locally or on a remote machine.  I do most of my work in
terminal emulators, and the fact that Vim behaves exactly the same
whether I've first ssh'ed somewhere else is great.  The overhead from
X11 over slightly-unreliable network links is just enough to be
irritating.

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Ben

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[Benjamin R. Haskell-8]

On Sat, 5 Nov 2011, [hidden email] wrote:

> For me the question remains, whether zsh from which vim is started
> recognizes ALT-Backspace well and vim does not... ?!

Did you try my suggestion?  (My mail has been getting spam-listed more
frequently of late -- still trying to figure out why -- not on any
blacklists, AFAIK.)

Try <esc><bs> instead of <m-bs> or <a-bs>.

See:

:help :map-alt-keys

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[Benjamin R. Haskell-8]

On Sat, 5 Nov 2011, Benjamin R. Haskell wrote:

> On Sat, 5 Nov 2011, [hidden email] wrote:
>
>> For me the question remains, whether zsh from which vim is started
>> recognizes ALT-Backspace well and vim does not... ?!
>

Also, more to the point, see what Zsh thinks represents alt+backspace
for you:

(in zsh:)
$ bindkey -L | grep backward-kill-word


For me, that returns:
bindkey "^W" backward-kill-word
bindkey "^[^H" backward-kill-word
bindkey "^[^?" backward-kill-word

Which means that all three of <Ctrl>+<w>, <Alt>+<Delete> (==
<Esc>+<Delete>), and <Alt>+<Backspace> (== <Esc>+<Backspace>) do the
same thing.  Maybe your Backspace and Delete are reversed?  (Seems
unlikely, because that makes operating in Vim kind of awkward, IMO, so
you'd've probably fixed it already.)

See:

:help :fixdel

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[Dotan Cohen]

On Wed, Nov 2, 2011 at 07:36, Tony Mechelynck
<[hidden email]> wrote:
> In Normal mode, you should be able to use Shift-Left as a modifier to the d
> (delete) command, to delete [count] words leftwards, or the command daw
> ("delete a word") to delete the word under the cursor (on both sides) and
> the white space on one side of it. See :help text-objects
>

Tony, is there an alternative way to delete the previous word from
Command mode. I often i^w<esc>  but if I could save some keystrokes I
would appreciate it. For that matter, what is the keyboard shortcut
for going _back_ one word?

Shift-Left is mapped by default to Previous Tab in Konsole, and I use
that feature often enough to not want to change it. That said, I work
on disparate servers (SSH) so I prefer to learn the 'right' VIM way as
opposed to remapping when I can.

Thanks.

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http://gibberish.co.il
http://what-is-what.com

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[Tony Mechelynck]

On 05/11/11 17:21, Benjamin R. Haskell wrote:

> On Sat, 5 Nov 2011, Tony Mechelynck wrote:
>
>> Well, under Linux each different terminal (Linux console, KDE konsole,
>> gnome-terminal, xterm, mlterm, ...) can react differently, but gvim
>> has a better grasp of what you type than any of them, because there's
>> one fewer layer between Vim and your keyboard. For a similar reason it
>> also gives you better control of what you display (more colours,
>> better control of: fonts, multi-language texts, cursor shapes, ...).
>> IMHO the only job for which console Vim is better than the GUI is when
>> displaying RTL and LTR scripts together in a single file, in a
>> full-bidi terminal such as mlterm.
>
> I found mlterm great for just-Arabic, but I could never quite get fonts
> set up properly for displaying RTL and LTR simultaneously.
>
> But, you're also leaving out (IMHO the best reason to use console Vim:)
> how nice it is to have a consistent UI regardless of whether you're
> working locally or on a remote machine. I do most of my work in terminal
> emulators, and the fact that Vim behaves exactly the same whether I've
> first ssh'ed somewhere else is great. The overhead from X11 over
> slightly-unreliable network links is just enough to be irritating.
>

I guess the reason I left this out is that I never work on a remote machine.

Best regards,
Tony.
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        Telling your boss what he can do with your job.

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[Tony Mechelynck]

On 05/11/11 18:56, Dotan Cohen wrote:

> On Wed, Nov 2, 2011 at 07:36, Tony Mechelynck
> <[hidden email]>  wrote:
>> In Normal mode, you should be able to use Shift-Left as a modifier to the d
>> (delete) command, to delete [count] words leftwards, or the command daw
>> ("delete a word") to delete the word under the cursor (on both sides) and
>> the white space on one side of it. See :help text-objects
>>
>
> Tony, is there an alternative way to delete the previous word from
> Command mode. I often i^w<esc>   but if I could save some keystrokes I
> would appreciate it. For that matter, what is the keyboard shortcut
> for going _back_ one word?

Shift-Left, as I said. Or, by looking it up (by ":help <S-Left>" without
the quotes), you would have found b as a synonym.

>
> Shift-Left is mapped by default to Previous Tab in Konsole, and I use
> that feature often enough to not want to change it. That said, I work
> on disparate servers (SSH) so I prefer to learn the 'right' VIM way as
> opposed to remapping when I can.
>
> Thanks.
>

The rightest of the "right" Vim ways is to RTFM.


Best regards,
Tony.
--
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211. Your husband leaves you...taking the computer with him and you
      call him crying, and beg him to bring the computer back.

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[Dotan Cohen]

On Sat, Nov 5, 2011 at 21:07, Tony Mechelynck
<[hidden email]> wrote:
>> Tony, is there an alternative way to delete the previous word from
>> Command mode. I often i^w<esc>   but if I could save some keystrokes I
>> would appreciate it. For that matter, what is the keyboard shortcut
>> for going _back_ one word?
>
> Shift-Left, as I said. Or, by looking it up (by ":help <S-Left>" without the
> quotes), you would have found b as a synonym.
>

I did not realize would be how to look it up. The VIM help pages are
very flexible in the input they will accept! Thanks.


> The rightest of the "right" Vim ways is to RTFM.
>

Ouch, I deserved that!

Thanks, Tony. Have a great week!

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http://gibberish.co.il
http://what-is-what.com

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[meino.cramer]

Benjamin R. Haskell <[hidden email]> [11-11-05 17:36]:

> On Sat, 5 Nov 2011, Benjamin R. Haskell wrote:
>
> >On Sat, 5 Nov 2011, [hidden email] wrote:
> >
> >>For me the question remains, whether zsh from which vim is started
> >>recognizes ALT-Backspace well and vim does not... ?!
> >
>
> Also, more to the point, see what Zsh thinks represents alt+backspace
> for you:
>
> (in zsh:)
> $ bindkey -L | grep backward-kill-word
>
>
> For me, that returns:
> bindkey "^W" backward-kill-word
> bindkey "^[^H" backward-kill-word
> bindkey "^[^?" backward-kill-word
>
> Which means that all three of <Ctrl>+<w>, <Alt>+<Delete> (==
> <Esc>+<Delete>), and <Alt>+<Backspace> (== <Esc>+<Backspace>) do the
> same thing.  Maybe your Backspace and Delete are reversed?  (Seems
> unlikely, because that makes operating in Vim kind of awkward, IMO, so
> you'd've probably fixed it already.)
>
> See:
>
> :help :fixdel
>
> --
> Best,
> Ben
>
> --
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> Do not top-post! Type your reply below the text you are replying to.
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>

Hi Benjamin,

I want to summarize, what I have found:
I am using vim under linux -- gvim is used very very very seldom.
The TERM variable is set to:xterm-256color.
I am using utf-8.

First experiment:
Using ALT-BS under zsh works. bindkey -L | grep backward-kill-word
gives me:
bindkey "^W" backward-kill-word
bindkey "^[^H" backward-kill-word
bindkey "^[^?" backward-kill-word

which seems to be the same as what you see with your zsh...

Second experiment:
Opening vim from this zsh/terminal and
doing CTRL-k ALT-Backspace in insert mode gives: <nothing>
Same goes for CTRL-v
No trying to insert ALT-backspace on the commandline of vim:
This puts me back to the buffer, leaving the commandline.
=> There is "something", vim recognizing, otherwise it stay
in the commandline. But it seems not enough to be recognized
as a valid keystroke.

Now trying <ESC><BS> as keystrokes, same experiments:
In insert mode, the <ESC> key puts me back to command mode
instantly.
Commandline: Same scenario.

In /etc/inputrc (this is the only inputrcon this system) there is set:

set input-meta on      # Enable Meta input with eighth bit set
set meta-flag on       # Synonym for the above
set convert-meta off   # Do NOT strip the eighth bit
set output-meta on     # Enable Meta output with eighth bit set

Regarding to the ctrl-v- and ctrl-k-experiments there would be no
hope to get any mapping with ALT-backspace working.
From what can be acchieved with zsh and regarding to the inputrc
it /should/ work nevertheless.

Finally I put a
nmap <esc><bs> db
into the .vimrc

and...it works! After all I dont know why.

Final thing I want to fix (help appreciated ;)
is this:
When I put a "imap <esc><bs> :normal db<cr>"
into .vimrc and restart vim to execute ALT-backspace
in input mode it prints :normal db at the cursor
position and jumps to the next line.
Is there a way to get it working in input mode also?

Best regards and have a nice sunday!
mcc



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