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Re: [PATCH]Add an option for matchparen to disable it in insert mode

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  • Fanhe Fanhed
    That s odd too. I just forget how to reproduce. I remember it occurs a year ago on my working pc. I turn off this feature and try to reproduce in furturn. Now
    Message 1 of 19 , Apr 30, 2013
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      That's odd too. I just forget how to reproduce. I remember it occurs a year ago on my working pc.
      I turn off this feature and try to reproduce in furturn.
      Now just forget this...

      Regards,
      Fanhe


      2013/5/1 Gary Johnson <garyjohn@...>
      On 2013-04-30, Fanhe Fanhed wrote:
      > In a 1000+ lines file, typing in the clsoing parenthesis. eg.
      > func(|)
      > | means the cursor, go to type.
      > The cursor will go to blink or shake. So I prefer disable matchparen in insert
      > mode.

      That's odd.  I created a 2000+ line file, moved the cursor to the
      50% point, opened a new line and entered "func()", then moved the
      cursor to between the two parentheses as you showed, and started
      typing.  The opening parenthesis remained steadily highlighted--
      there was no flickering or shaking.

      I tried it with Vim 7.3.882, both vim and gvim, on a Fedora 14
      system.

      Regards,
      Gary

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    • Fanhe Fanhed
      I just reproduce. eg: edit tag.c of vim sorce code file, and go to 2000 line number, input the follow func(((((((((())))))))) , snekjglenlnsekgnel|) | means
      Message 2 of 19 , May 1 12:09 AM
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        I just reproduce.
        eg: edit tag.c of vim sorce code file, and go to 2000 line number, input the follow
        func(((((((((())))))))) , snekjglenlnsekgnel|)

        '|' means the cursor. Then go to type.

        And type again after run :NoMatchParen.

        In fact, the reason is this sentence in matchparen.vim
        let [m_lnum, m_col] = searchpairpos(c, '', c2, s_flags, s_skip, stopline, 300)

        300msec will delay screen refreshing.
        For example run this
        autocmd CursorMoveI * sleep 100m


        After this, the cursor is flickering and shaking when typing.

        So, I prefer disable all CursorMoveI autocmd include matchparen plugin, but is not a matter in CursorMove autocmd.

        2013/5/1 Fanhe Fanhed <fanhed@...>
        That's odd too. I just forget how to reproduce. I remember it occurs a year ago on my working pc.
        I turn off this feature and try to reproduce in furturn.
        Now just forget this...

        Regards,
        Fanhe


        2013/5/1 Gary Johnson <garyjohn@...>
        On 2013-04-30, Fanhe Fanhed wrote:
        > In a 1000+ lines file, typing in the clsoing parenthesis. eg.
        > func(|)
        > | means the cursor, go to type.
        > The cursor will go to blink or shake. So I prefer disable matchparen in insert
        > mode.

        That's odd.  I created a 2000+ line file, moved the cursor to the
        50% point, opened a new line and entered "func()", then moved the
        cursor to between the two parentheses as you showed, and started
        typing.  The opening parenthesis remained steadily highlighted--
        there was no flickering or shaking.

        I tried it with Vim 7.3.882, both vim and gvim, on a Fedora 14
        system.

        Regards,
        Gary

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      • Gary Johnson
        ... Highlights the leftmost parenthesis and the cursor smoothly. ... Cursor again highlighted smoothly, but of course no highlighting of the parenthesis. ...
        Message 3 of 19 , May 1 8:16 AM
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          On 2013-05-01, Fanhe Fanhed wrote:
          > I just reproduce.
          > eg: edit tag.c of vim sorce code file, and go to 2000 line number, input the
          > follow
          > func(((((((((())))))))) , snekjglenlnsekgnel|)
          >
          > '|' means the cursor. Then go to type.

          Highlights the leftmost parenthesis and the cursor smoothly.

          > And type again after run :NoMatchParen.

          Cursor again highlighted smoothly, but of course no highlighting of
          the parenthesis.

          > In fact, the reason is this sentence in matchparen.vim
          > let [m_lnum, m_col] = searchpairpos(c, '', c2, s_flags, s_skip, stopline, 300)
          >
          > 300msec will delay screen refreshing.
          > For example run this
          > autocmd CursorMoveI * sleep 100m
          >
          >
          > After this, the cursor is flickering and shaking when typing.

          Now I see the flickering and shaking of the cursor, but only when
          NoMatchParen has not been executed.

          > So, I prefer disable all CursorMoveI autocmd include matchparen plugin, but is
          > not a matter in CursorMove autocmd.

          So you're saying that it takes on the order of 100 ms for the
          matchparen.vim plugin's s:Highlight_Matching_Pair() function to
          execute on your machine?

          I can't reproduce the problem without the "sleep 100m", but I can
          see that on slower hardware your patch could be useful.

          Regards,
          Gary

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        • Bram Moolenaar
          ... I suppose this is because the syntax highlighting for the language is slow. Disabling it for all file types is a bit of a blunt instrument then. How about
          Message 4 of 19 , May 1 1:29 PM
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            Fanhe Fanhed wrote:

            > matchparen plugin in CursorMoveI autocmd is too slow while typing. So I
            > wish disable it in insert mode.

            I suppose this is because the syntax highlighting for the language is
            slow. Disabling it for all file types is a bit of a blunt instrument
            then.

            How about allowing the user to specify the filetypes for which
            matchparen works in insert mode? While at it, might as well defined the
            file types for which it works at all.


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          • Ingo Karkat
            ... Such a configuration is not trivial to implement (think of compound filetypes like c.doxygen ) and still not the most general. If all this configurability
            Message 5 of 19 , May 1 11:56 PM
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              On 01-May-2013 22:29 +0200, Bram Moolenaar wrote:

              > Fanhe Fanhed wrote:
              >
              >> matchparen plugin in CursorMoveI autocmd is too slow while typing. So I
              >> wish disable it in insert mode.
              >
              > I suppose this is because the syntax highlighting for the language is
              > slow. Disabling it for all file types is a bit of a blunt instrument
              > then.
              >
              > How about allowing the user to specify the filetypes for which
              > matchparen works in insert mode? While at it, might as well defined the
              > file types for which it works at all.

              Such a configuration is not trivial to implement (think of compound
              filetypes like "c.doxygen") and still not the most general. If all this
              configurability really has to be there, I'd rather have the script
              observe both buffer-local or global variables, like:

              #v+
              autocmd CursorMovedI *
              \ if exists('b:matchparen_no_insertmode') |
              \ if b:matchparen_no_insertmode |
              \ return |
              \ endif
              \ elseif exists('g:matchparen_no_insertmode') &&
              g:matchparen_no_insertmode |
              \ return |
              \ endif |
              \ ...
              #v-

              This gets you the filetype-specific disabling (in a little more
              roundabout way, by setting b:matchparen_no_insertmode in
              ~/.vim/after/ftplugin/{filetype}.vim), and you can also disable manually
              for the current buffer, for all buffers in a particular subdirectory /
              of a certain file size / matching a certain pattern / etc.

              I use this idiom in a couple of my plugins, and I've found it more
              flexible than a list of configurable filetypes.

              -- regards, ingo

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            • Christian Brabandt
              Hi Ingo! ... Excuse me for chiming in, but I find this construct rather ugly and unreadable. How about this instead: #v+ autocmd CursorMovedI * if get(b:,
              Message 6 of 19 , May 2 12:11 AM
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                Hi Ingo!

                On Do, 02 Mai 2013, Ingo Karkat wrote:

                > #v+
                > autocmd CursorMovedI *
                > \ if exists('b:matchparen_no_insertmode') |
                > \ if b:matchparen_no_insertmode |
                > \ return |
                > \ endif
                > \ elseif exists('g:matchparen_no_insertmode') &&
                > g:matchparen_no_insertmode |
                > \ return |
                > \ endif |
                > \ ...
                > #v-

                Excuse me for chiming in, but I find this construct rather ugly and
                unreadable. How about this instead:

                #v+
                autocmd CursorMovedI *
                \ if get(b:, 'matchparen_no_insertmode', 0) ||
                \ get(g:, 'matchparen_no_insertmode', 0)
                \ return |
                \ endif |
                \ ...
                #v-

                regards,
                Christian
                --
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                ausgemalt hat, aber erst durch ihre jüngst erworbenen Fertigkeiten ist
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              • Ingo Karkat
                ... Hello Christian, I appreciate your critique. I would move the conditionals into the s:Highlight_Matching_Pair() function, too; I just wanted to show the
                Message 7 of 19 , May 2 12:32 AM
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                  On 02-May-2013 09:11 +0200, Christian Brabandt wrote:

                  > Hi Ingo!
                  >
                  > On Do, 02 Mai 2013, Ingo Karkat wrote:
                  >
                  >> #v+
                  >> autocmd CursorMovedI *
                  >> \ if exists('b:matchparen_no_insertmode') |
                  >> \ if b:matchparen_no_insertmode |
                  >> \ return |
                  >> \ endif
                  >> \ elseif exists('g:matchparen_no_insertmode') &&
                  >> g:matchparen_no_insertmode |
                  >> \ return |
                  >> \ endif |
                  >> \ ...
                  >> #v-
                  >
                  > Excuse me for chiming in, but I find this construct rather ugly and
                  > unreadable. How about this instead:
                  >
                  > #v+
                  > autocmd CursorMovedI *
                  > \ if get(b:, 'matchparen_no_insertmode', 0) ||
                  > \ get(g:, 'matchparen_no_insertmode', 0)
                  > \ return |
                  > \ endif |
                  > \ ...
                  > #v-

                  Hello Christian,

                  I appreciate your critique. I would move the conditionals into the
                  s:Highlight_Matching_Pair() function, too; I just wanted to show the
                  algorithm with the minimal amount of additional context.

                  Your rewrite doesn't correctly capture the fact that the buffer-local
                  value takes precedence over the global one; when b:... is 0 and g:... is
                  1, insert-mode matching should be ON, whereas your code would :return
                  early. Though it may not make that much sense here, I think the
                  precedence should be the same as with the built-in global-local options.

                  -- regards, ingo

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                • Bram Moolenaar
                  ... Agreed, using a buffer-local variable is better than trying to use a pattern to match filetypes. -- hundred-and-one symptoms of being an internet addict:
                  Message 8 of 19 , May 2 6:33 PM
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                    Ingo Karkat wrote:

                    > On 01-May-2013 22:29 +0200, Bram Moolenaar wrote:
                    >
                    > > Fanhe Fanhed wrote:
                    > >
                    > >> matchparen plugin in CursorMoveI autocmd is too slow while typing. So I
                    > >> wish disable it in insert mode.
                    > >
                    > > I suppose this is because the syntax highlighting for the language is
                    > > slow. Disabling it for all file types is a bit of a blunt instrument
                    > > then.
                    > >
                    > > How about allowing the user to specify the filetypes for which
                    > > matchparen works in insert mode? While at it, might as well defined the
                    > > file types for which it works at all.
                    >
                    > Such a configuration is not trivial to implement (think of compound
                    > filetypes like "c.doxygen") and still not the most general. If all this
                    > configurability really has to be there, I'd rather have the script
                    > observe both buffer-local or global variables, like:
                    >
                    > #v+
                    > autocmd CursorMovedI *
                    > \ if exists('b:matchparen_no_insertmode') |
                    > \ if b:matchparen_no_insertmode |
                    > \ return |
                    > \ endif
                    > \ elseif exists('g:matchparen_no_insertmode') &&
                    > g:matchparen_no_insertmode |
                    > \ return |
                    > \ endif |
                    > \ ...
                    > #v-
                    >
                    > This gets you the filetype-specific disabling (in a little more
                    > roundabout way, by setting b:matchparen_no_insertmode in
                    > ~/.vim/after/ftplugin/{filetype}.vim), and you can also disable manually
                    > for the current buffer, for all buffers in a particular subdirectory /
                    > of a certain file size / matching a certain pattern / etc.
                    >
                    > I use this idiom in a couple of my plugins, and I've found it more
                    > flexible than a list of configurable filetypes.

                    Agreed, using a buffer-local variable is better than trying to use a
                    pattern to match filetypes.

                    --
                    hundred-and-one symptoms of being an internet addict:
                    267. You get an extra phone line so you can get phone calls.

                    /// Bram Moolenaar -- Bram@... -- 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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                  • Fanhe Fanhed
                    Agreed too. So, Ingo, can you offer a full patch? And please offer a global way to disable matchparen in insert mode. Because I found I really not need it in
                    Message 9 of 19 , May 4 5:59 AM
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                      Agreed too.
                      So, Ingo, can you offer a full patch?
                      And please offer a global way to disable matchparen in insert mode. Because I found I really not need it in insert mode. :)


                      2013/5/3 Bram Moolenaar <Bram@...>

                      Ingo Karkat wrote:

                      > On 01-May-2013 22:29 +0200, Bram Moolenaar wrote:
                      >
                      > > Fanhe Fanhed wrote:
                      > >
                      > >> matchparen plugin in CursorMoveI autocmd is too slow while typing. So I
                      > >> wish disable it in insert mode.
                      > >
                      > > I suppose this is because the syntax highlighting for the language is
                      > > slow.  Disabling it for all file types is a bit of a blunt instrument
                      > > then.
                      > >
                      > > How about allowing the user to specify the filetypes for which
                      > > matchparen works in insert mode?  While at it, might as well defined the
                      > > file types for which it works at all.
                      >
                      > Such a configuration is not trivial to implement (think of compound
                      > filetypes like "c.doxygen") and still not the most general. If all this
                      > configurability really has to be there, I'd rather have the script
                      > observe both buffer-local or global variables, like:
                      >
                      > #v+
                      >     autocmd CursorMovedI *
                      >     \ if exists('b:matchparen_no_insertmode') |
                      >     \     if b:matchparen_no_insertmode |
                      >     \         return |
                      >     \     endif
                      >     \ elseif exists('g:matchparen_no_insertmode') &&
                      > g:matchparen_no_insertmode |
                      >     \     return |
                      >     \ endif |
                      >     \ ...
                      > #v-
                      >
                      > This gets you the filetype-specific disabling (in a little more
                      > roundabout way, by setting b:matchparen_no_insertmode in
                      > ~/.vim/after/ftplugin/{filetype}.vim), and you can also disable manually
                      > for the current buffer, for all buffers in a particular subdirectory /
                      > of a certain file size / matching a certain pattern / etc.
                      >
                      > I use this idiom in a couple of my plugins, and I've found it more
                      > flexible than a list of configurable filetypes.

                      Agreed, using a buffer-local variable is better than trying to use a
                      pattern to match filetypes.

                      --
                      hundred-and-one symptoms of being an internet addict:
                      267. You get an extra phone line so you can get phone calls.

                       /// Bram Moolenaar -- Bram@... -- http://www.Moolenaar.net   \\\
                      ///        sponsor Vim, vote for features -- http://www.Vim.org/sponsor/ \\\
                      \\\  an exciting new programming language -- http://www.Zimbu.org        ///
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                    • Ingo Karkat
                      ... After thinking some more about it, I ve come to the conclusion that all attempts so far step around the central issue: The maximum matchparen delay in
                      Message 10 of 19 , May 6 5:54 AM
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                        On 04-May-2013 14:59 +0200, Fanhe Fanhed wrote:

                        > Agreed too.
                        > So, Ingo, can you offer a full patch?
                        > And please offer a global way to disable matchparen in insert mode.
                        > Because I found I really not need it in insert mode. :)
                        >
                        >
                        > 2013/5/3 Bram Moolenaar <Bram@... <mailto:Bram@...>>
                        >
                        >
                        > Ingo Karkat wrote:
                        >
                        > > On 01-May-2013 22:29 +0200, Bram Moolenaar wrote:
                        > >
                        > > > Fanhe Fanhed wrote:
                        > > >
                        > > >> matchparen plugin in CursorMoveI autocmd is too slow while
                        > typing. So I
                        > > >> wish disable it in insert mode.
                        > > >
                        > > > I suppose this is because the syntax highlighting for the
                        > language is
                        > > > slow. Disabling it for all file types is a bit of a blunt
                        > instrument
                        > > > then.
                        > > >
                        > > > How about allowing the user to specify the filetypes for which
                        > > > matchparen works in insert mode? While at it, might as well
                        > defined the
                        > > > file types for which it works at all.
                        > >
                        > > Such a configuration is not trivial to implement (think of compound
                        > > filetypes like "c.doxygen") and still not the most general. If all
                        > this
                        > > configurability really has to be there, I'd rather have the script
                        > > observe both buffer-local or global variables, like:
                        > >
                        > > #v+
                        > > autocmd CursorMovedI *
                        > > \ if exists('b:matchparen_no_insertmode') |
                        > > \ if b:matchparen_no_insertmode |
                        > > \ return |
                        > > \ endif
                        > > \ elseif exists('g:matchparen_no_insertmode') &&
                        > > g:matchparen_no_insertmode |
                        > > \ return |
                        > > \ endif |
                        > > \ ...
                        > > #v-
                        > >
                        > > This gets you the filetype-specific disabling (in a little more
                        > > roundabout way, by setting b:matchparen_no_insertmode in
                        > > ~/.vim/after/ftplugin/{filetype}.vim), and you can also disable
                        > manually
                        > > for the current buffer, for all buffers in a particular subdirectory /
                        > > of a certain file size / matching a certain pattern / etc.
                        > >
                        > > I use this idiom in a couple of my plugins, and I've found it more
                        > > flexible than a list of configurable filetypes.
                        >
                        > Agreed, using a buffer-local variable is better than trying to use a
                        > pattern to match filetypes.

                        After thinking some more about it, I've come to the conclusion that all
                        attempts so far step around the central issue: The maximum matchparen
                        delay in insert mode is too large, so that it noticeably affects typing.
                        We shouldn't work around this, neither by globally disabling in insert
                        mode, nor through any of the proposed filetype- or buffer-local
                        configurations.

                        Instead, let's just reduce the maximum allowable delay in insert mode,
                        as this also is much simpler to do. The plugin contains a hard-coded
                        maximum of 300 ms; attached patch reduces that somewhat arbitrarily to a
                        fifth, hopefully unnoticeable 60 ms. This way, there's no need to
                        configure anything, and you still reap the benefits of matchparen in
                        most cases, even for problematic files / file types. This only leaves
                        out old Vim versions that don't have the {timeout} argument on
                        searchpairpos(), but as you're the first to raise this issue, it may not
                        be that widespread to bother.

                        -- regards, ingo

                        PS: Do not top-post! Type your reply below the text you are replying to.

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                      • Bram Moolenaar
                        ... Thanks, makes sense. So, how do we decide on the timeout? 300 msec is too much, 60 msec is OK? Perhaps we should make this time configurable. -- They now
                        Message 11 of 19 , May 6 8:11 PM
                        • 0 Attachment
                          Ingo Karkat wrote:

                          > On 04-May-2013 14:59 +0200, Fanhe Fanhed wrote:
                          >
                          > > Agreed too.
                          > > So, Ingo, can you offer a full patch?
                          > > And please offer a global way to disable matchparen in insert mode.
                          > > Because I found I really not need it in insert mode. :)
                          > >
                          > >
                          > > 2013/5/3 Bram Moolenaar <Bram@... <mailto:Bram@...>>
                          > >
                          > >
                          > > Ingo Karkat wrote:
                          > >
                          > > > On 01-May-2013 22:29 +0200, Bram Moolenaar wrote:
                          > > >
                          > > > > Fanhe Fanhed wrote:
                          > > > >
                          > > > >> matchparen plugin in CursorMoveI autocmd is too slow while
                          > > typing. So I
                          > > > >> wish disable it in insert mode.
                          > > > >
                          > > > > I suppose this is because the syntax highlighting for the
                          > > language is
                          > > > > slow. Disabling it for all file types is a bit of a blunt
                          > > instrument
                          > > > > then.
                          > > > >
                          > > > > How about allowing the user to specify the filetypes for which
                          > > > > matchparen works in insert mode? While at it, might as well
                          > > defined the
                          > > > > file types for which it works at all.
                          > > >
                          > > > Such a configuration is not trivial to implement (think of compound
                          > > > filetypes like "c.doxygen") and still not the most general. If all
                          > > this
                          > > > configurability really has to be there, I'd rather have the script
                          > > > observe both buffer-local or global variables, like:
                          > > >
                          > > > #v+
                          > > > autocmd CursorMovedI *
                          > > > \ if exists('b:matchparen_no_insertmode') |
                          > > > \ if b:matchparen_no_insertmode |
                          > > > \ return |
                          > > > \ endif
                          > > > \ elseif exists('g:matchparen_no_insertmode') &&
                          > > > g:matchparen_no_insertmode |
                          > > > \ return |
                          > > > \ endif |
                          > > > \ ...
                          > > > #v-
                          > > >
                          > > > This gets you the filetype-specific disabling (in a little more
                          > > > roundabout way, by setting b:matchparen_no_insertmode in
                          > > > ~/.vim/after/ftplugin/{filetype}.vim), and you can also disable
                          > > manually
                          > > > for the current buffer, for all buffers in a particular subdirectory /
                          > > > of a certain file size / matching a certain pattern / etc.
                          > > >
                          > > > I use this idiom in a couple of my plugins, and I've found it more
                          > > > flexible than a list of configurable filetypes.
                          > >
                          > > Agreed, using a buffer-local variable is better than trying to use a
                          > > pattern to match filetypes.
                          >
                          > After thinking some more about it, I've come to the conclusion that all
                          > attempts so far step around the central issue: The maximum matchparen
                          > delay in insert mode is too large, so that it noticeably affects typing.
                          > We shouldn't work around this, neither by globally disabling in insert
                          > mode, nor through any of the proposed filetype- or buffer-local
                          > configurations.
                          >
                          > Instead, let's just reduce the maximum allowable delay in insert mode,
                          > as this also is much simpler to do. The plugin contains a hard-coded
                          > maximum of 300 ms; attached patch reduces that somewhat arbitrarily to a
                          > fifth, hopefully unnoticeable 60 ms. This way, there's no need to
                          > configure anything, and you still reap the benefits of matchparen in
                          > most cases, even for problematic files / file types. This only leaves
                          > out old Vim versions that don't have the {timeout} argument on
                          > searchpairpos(), but as you're the first to raise this issue, it may not
                          > be that widespread to bother.

                          Thanks, makes sense.

                          So, how do we decide on the timeout? 300 msec is too much, 60 msec is
                          OK? Perhaps we should make this time configurable.


                          --
                          They now pass three KNIGHTS impaled to a tree. With their feet off the
                          ground, with one lance through the lot of them, they are skewered up
                          like a barbecue.
                          "Monty Python and the Holy Grail" PYTHON (MONTY) PICTURES LTD

                          /// Bram Moolenaar -- Bram@... -- 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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                        • Ingo Karkat
                          ... If Fanhe agrees with the proposed change, I d rather not make it more complex so far. Although I m usually a big proponent of configurability, the values
                          Message 12 of 19 , May 7 1:27 AM
                          • 0 Attachment
                            On 07-May-2013 05:11 +0200, Bram Moolenaar wrote:

                            > Ingo Karkat wrote:
                            >
                            >> On 04-May-2013 14:59 +0200, Fanhe Fanhed wrote:
                            >>
                            >>> Agreed too.
                            >>> So, Ingo, can you offer a full patch?
                            >>> And please offer a global way to disable matchparen in insert mode.
                            >>> Because I found I really not need it in insert mode. :)
                            >>>
                            >>>
                            >>> 2013/5/3 Bram Moolenaar <Bram@... <mailto:Bram@...>>
                            >>>
                            >>>
                            >>> Ingo Karkat wrote:
                            >>>
                            >>> > On 01-May-2013 22:29 +0200, Bram Moolenaar wrote:
                            >>> >
                            >>> > > Fanhe Fanhed wrote:
                            >>> > >
                            >>> > >> matchparen plugin in CursorMoveI autocmd is too slow while
                            >>> typing. So I
                            >>> > >> wish disable it in insert mode.
                            >>> > >
                            >>> > > I suppose this is because the syntax highlighting for the
                            >>> language is
                            >>> > > slow. Disabling it for all file types is a bit of a blunt
                            >>> instrument
                            >>> > > then.
                            >>> > >
                            >>> > > How about allowing the user to specify the filetypes for which
                            >>> > > matchparen works in insert mode? While at it, might as well
                            >>> defined the
                            >>> > > file types for which it works at all.
                            >>> >
                            >>> > Such a configuration is not trivial to implement (think of compound
                            >>> > filetypes like "c.doxygen") and still not the most general. If all
                            >>> this
                            >>> > configurability really has to be there, I'd rather have the script
                            >>> > observe both buffer-local or global variables, like:
                            >>> >
                            >>> > #v+
                            >>> > autocmd CursorMovedI *
                            >>> > \ if exists('b:matchparen_no_insertmode') |
                            >>> > \ if b:matchparen_no_insertmode |
                            >>> > \ return |
                            >>> > \ endif
                            >>> > \ elseif exists('g:matchparen_no_insertmode') &&
                            >>> > g:matchparen_no_insertmode |
                            >>> > \ return |
                            >>> > \ endif |
                            >>> > \ ...
                            >>> > #v-
                            >>> >
                            >>> > This gets you the filetype-specific disabling (in a little more
                            >>> > roundabout way, by setting b:matchparen_no_insertmode in
                            >>> > ~/.vim/after/ftplugin/{filetype}.vim), and you can also disable
                            >>> manually
                            >>> > for the current buffer, for all buffers in a particular subdirectory /
                            >>> > of a certain file size / matching a certain pattern / etc.
                            >>> >
                            >>> > I use this idiom in a couple of my plugins, and I've found it more
                            >>> > flexible than a list of configurable filetypes.
                            >>>
                            >>> Agreed, using a buffer-local variable is better than trying to use a
                            >>> pattern to match filetypes.
                            >>
                            >> After thinking some more about it, I've come to the conclusion that all
                            >> attempts so far step around the central issue: The maximum matchparen
                            >> delay in insert mode is too large, so that it noticeably affects typing.
                            >> We shouldn't work around this, neither by globally disabling in insert
                            >> mode, nor through any of the proposed filetype- or buffer-local
                            >> configurations.
                            >>
                            >> Instead, let's just reduce the maximum allowable delay in insert mode,
                            >> as this also is much simpler to do. The plugin contains a hard-coded
                            >> maximum of 300 ms; attached patch reduces that somewhat arbitrarily to a
                            >> fifth, hopefully unnoticeable 60 ms. This way, there's no need to
                            >> configure anything, and you still reap the benefits of matchparen in
                            >> most cases, even for problematic files / file types. This only leaves
                            >> out old Vim versions that don't have the {timeout} argument on
                            >> searchpairpos(), but as you're the first to raise this issue, it may not
                            >> be that widespread to bother.
                            >
                            > Thanks, makes sense.
                            >
                            > So, how do we decide on the timeout? 300 msec is too much, 60 msec is
                            > OK? Perhaps we should make this time configurable.

                            If Fanhe agrees with the proposed change, I'd rather not make it more
                            complex so far. Although I'm usually a big proponent of configurability,
                            the values seem to be fine for 99,99% of users, and a maximum, corner
                            case delay of 1/3 s while moving around seems as reasonable as a barely
                            noticeable 60 ms while typing.

                            -- regards, ingo

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                          • Bram Moolenaar
                            ... It s not so complicated: if !exists( g:matchparen_timeout ) let g:matchparen_timeout = 300 endif if !exists( g:matchparen_insert_timeout ) let
                            Message 13 of 19 , May 7 8:22 PM
                            • 0 Attachment
                              > Ingo Karkat wrote:
                              >
                              > >> On 04-May-2013 14:59 +0200, Fanhe Fanhed wrote:
                              > >>
                              > >>> Agreed too.
                              > >>> So, Ingo, can you offer a full patch?
                              > >>> And please offer a global way to disable matchparen in insert mode.
                              > >>> Because I found I really not need it in insert mode. :)
                              > >>>
                              > >>>
                              > >>> 2013/5/3 Bram Moolenaar <Bram@... <mailto:Bram@...>>
                              > >>>
                              > >>>
                              > >>> Ingo Karkat wrote:
                              > >>>
                              > >>> > On 01-May-2013 22:29 +0200, Bram Moolenaar wrote:
                              > >>> >
                              > >>> > > Fanhe Fanhed wrote:
                              > >>> > >
                              > >>> > >> matchparen plugin in CursorMoveI autocmd is too slow while
                              > >>> typing. So I
                              > >>> > >> wish disable it in insert mode.
                              > >>> > >
                              > >>> > > I suppose this is because the syntax highlighting for the
                              > >>> language is
                              > >>> > > slow. Disabling it for all file types is a bit of a blunt
                              > >>> instrument
                              > >>> > > then.
                              > >>> > >
                              > >>> > > How about allowing the user to specify the filetypes for which
                              > >>> > > matchparen works in insert mode? While at it, might as well
                              > >>> defined the
                              > >>> > > file types for which it works at all.
                              > >>> >
                              > >>> > Such a configuration is not trivial to implement (think of compound
                              > >>> > filetypes like "c.doxygen") and still not the most general. If all
                              > >>> this
                              > >>> > configurability really has to be there, I'd rather have the script
                              > >>> > observe both buffer-local or global variables, like:
                              > >>> >
                              > >>> > #v+
                              > >>> > autocmd CursorMovedI *
                              > >>> > \ if exists('b:matchparen_no_insertmode') |
                              > >>> > \ if b:matchparen_no_insertmode |
                              > >>> > \ return |
                              > >>> > \ endif
                              > >>> > \ elseif exists('g:matchparen_no_insertmode') &&
                              > >>> > g:matchparen_no_insertmode |
                              > >>> > \ return |
                              > >>> > \ endif |
                              > >>> > \ ...
                              > >>> > #v-
                              > >>> >
                              > >>> > This gets you the filetype-specific disabling (in a little more
                              > >>> > roundabout way, by setting b:matchparen_no_insertmode in
                              > >>> > ~/.vim/after/ftplugin/{filetype}.vim), and you can also disable
                              > >>> manually
                              > >>> > for the current buffer, for all buffers in a particular subdirectory /
                              > >>> > of a certain file size / matching a certain pattern / etc.
                              > >>> >
                              > >>> > I use this idiom in a couple of my plugins, and I've found it more
                              > >>> > flexible than a list of configurable filetypes.
                              > >>>
                              > >>> Agreed, using a buffer-local variable is better than trying to use a
                              > >>> pattern to match filetypes.
                              > >>
                              > >> After thinking some more about it, I've come to the conclusion that all
                              > >> attempts so far step around the central issue: The maximum matchparen
                              > >> delay in insert mode is too large, so that it noticeably affects typing.
                              > >> We shouldn't work around this, neither by globally disabling in insert
                              > >> mode, nor through any of the proposed filetype- or buffer-local
                              > >> configurations.
                              > >>
                              > >> Instead, let's just reduce the maximum allowable delay in insert mode,
                              > >> as this also is much simpler to do. The plugin contains a hard-coded
                              > >> maximum of 300 ms; attached patch reduces that somewhat arbitrarily to a
                              > >> fifth, hopefully unnoticeable 60 ms. This way, there's no need to
                              > >> configure anything, and you still reap the benefits of matchparen in
                              > >> most cases, even for problematic files / file types. This only leaves
                              > >> out old Vim versions that don't have the {timeout} argument on
                              > >> searchpairpos(), but as you're the first to raise this issue, it may not
                              > >> be that widespread to bother.
                              > >
                              > > Thanks, makes sense.
                              > >
                              > > So, how do we decide on the timeout? 300 msec is too much, 60 msec is
                              > > OK? Perhaps we should make this time configurable.
                              >
                              > If Fanhe agrees with the proposed change, I'd rather not make it more
                              > complex so far. Although I'm usually a big proponent of configurability,
                              > the values seem to be fine for 99,99% of users, and a maximum, corner
                              > case delay of 1/3 s while moving around seems as reasonable as a barely
                              > noticeable 60 ms while typing.

                              It's not so complicated:

                              if !exists("g:matchparen_timeout")
                              let g:matchparen_timeout = 300
                              endif
                              if !exists("g:matchparen_insert_timeout")
                              let g:matchparen_insert_timeout = 60
                              endif

                              ...


                              if mode() == 'i' || mode() == 'R'
                              let timeout = exists("b:matchparen_insert_timeout") ? b:matchparen_insert_timeout : g:matchparen_insert_timeout
                              else
                              let timeout = exists("b:matchparen_timeout") ? b:matchparen_timeout : g:matchparen_timeout
                              endif

                              --
                              ZOOT: I'm afraid our life must seem very dull and quiet compared to yours.
                              We are but eightscore young blondes, all between sixteen and
                              nineteen-and-a-half, cut off in this castle, with no one to protect us.
                              Oooh. It is a lonely life ... bathing ... dressing ... undressing ...
                              making exciting underwear....
                              "Monty Python and the Holy Grail" PYTHON (MONTY) PICTURES LTD

                              /// Bram Moolenaar -- Bram@... -- 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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                            • Fanhe Fanhed
                              Agree with Bram. Thanks all. 2013/5/8 Bram Moolenaar ... -- -- You received this message from the vim_dev maillist. Do not top-post!
                              Message 14 of 19 , May 13 7:03 AM
                              • 0 Attachment
                                Agree with Bram.
                                Thanks all.


                                2013/5/8 Bram Moolenaar <Bram@...>

                                > Ingo Karkat wrote:
                                >
                                > >> On 04-May-2013 14:59 +0200, Fanhe Fanhed wrote:
                                > >>
                                > >>> Agreed too.
                                > >>> So, Ingo, can you offer a full patch?
                                > >>> And please offer a global way to disable matchparen in insert mode.
                                > >>> Because I found I really not need it in insert mode. :)
                                > >>>
                                > >>>
                                > >>> 2013/5/3 Bram Moolenaar <Bram@... <mailto:Bram@...>>
                                > >>>
                                > >>>
                                > >>>     Ingo Karkat wrote:
                                > >>>
                                > >>>     > On 01-May-2013 22:29 +0200, Bram Moolenaar wrote:
                                > >>>     >
                                > >>>     > > Fanhe Fanhed wrote:
                                > >>>     > >
                                > >>>     > >> matchparen plugin in CursorMoveI autocmd is too slow while
                                > >>>     typing. So I
                                > >>>     > >> wish disable it in insert mode.
                                > >>>     > >
                                > >>>     > > I suppose this is because the syntax highlighting for the
                                > >>>     language is
                                > >>>     > > slow.  Disabling it for all file types is a bit of a blunt
                                > >>>     instrument
                                > >>>     > > then.
                                > >>>     > >
                                > >>>     > > How about allowing the user to specify the filetypes for which
                                > >>>     > > matchparen works in insert mode?  While at it, might as well
                                > >>>     defined the
                                > >>>     > > file types for which it works at all.
                                > >>>     >
                                > >>>     > Such a configuration is not trivial to implement (think of compound
                                > >>>     > filetypes like "c.doxygen") and still not the most general. If all
                                > >>>     this
                                > >>>     > configurability really has to be there, I'd rather have the script
                                > >>>     > observe both buffer-local or global variables, like:
                                > >>>     >
                                > >>>     > #v+
                                > >>>     >     autocmd CursorMovedI *
                                > >>>     >     \ if exists('b:matchparen_no_insertmode') |
                                > >>>     >     \     if b:matchparen_no_insertmode |
                                > >>>     >     \         return |
                                > >>>     >     \     endif
                                > >>>     >     \ elseif exists('g:matchparen_no_insertmode') &&
                                > >>>     > g:matchparen_no_insertmode |
                                > >>>     >     \     return |
                                > >>>     >     \ endif |
                                > >>>     >     \ ...
                                > >>>     > #v-
                                > >>>     >
                                > >>>     > This gets you the filetype-specific disabling (in a little more
                                > >>>     > roundabout way, by setting b:matchparen_no_insertmode in
                                > >>>     > ~/.vim/after/ftplugin/{filetype}.vim), and you can also disable
                                > >>>     manually
                                > >>>     > for the current buffer, for all buffers in a particular subdirectory /
                                > >>>     > of a certain file size / matching a certain pattern / etc.
                                > >>>     >
                                > >>>     > I use this idiom in a couple of my plugins, and I've found it more
                                > >>>     > flexible than a list of configurable filetypes.
                                > >>>
                                > >>>     Agreed, using a buffer-local variable is better than trying to use a
                                > >>>     pattern to match filetypes.
                                > >>
                                > >> After thinking some more about it, I've come to the conclusion that all
                                > >> attempts so far step around the central issue: The maximum matchparen
                                > >> delay in insert mode is too large, so that it noticeably affects typing.
                                > >> We shouldn't work around this, neither by globally disabling in insert
                                > >> mode, nor through any of the proposed filetype- or buffer-local
                                > >> configurations.
                                > >>
                                > >> Instead, let's just reduce the maximum allowable delay in insert mode,
                                > >> as this also is much simpler to do. The plugin contains a hard-coded
                                > >> maximum of 300 ms; attached patch reduces that somewhat arbitrarily to a
                                > >> fifth, hopefully unnoticeable 60 ms. This way, there's no need to
                                > >> configure anything, and you still reap the benefits of matchparen in
                                > >> most cases, even for problematic files / file types. This only leaves
                                > >> out old Vim versions that don't have the {timeout} argument on
                                > >> searchpairpos(), but as you're the first to raise this issue, it may not
                                > >> be that widespread to bother.
                                > >
                                > > Thanks, makes sense.
                                > >
                                > > So, how do we decide on the timeout?  300 msec is too much, 60 msec is
                                > > OK?  Perhaps we should make this time configurable.
                                >
                                > If Fanhe agrees with the proposed change, I'd rather not make it more
                                > complex so far. Although I'm usually a big proponent of configurability,
                                > the values seem to be fine for 99,99% of users, and a maximum, corner
                                > case delay of 1/3 s while moving around seems as reasonable as a barely
                                > noticeable 60 ms while typing.

                                It's not so complicated:

                                if !exists("g:matchparen_timeout")
                                  let g:matchparen_timeout = 300
                                endif
                                if !exists("g:matchparen_insert_timeout")
                                  let g:matchparen_insert_timeout = 60
                                endif

                                ...


                                  if mode() == 'i' || mode() == 'R'
                                    let timeout = exists("b:matchparen_insert_timeout") ? b:matchparen_insert_timeout : g:matchparen_insert_timeout
                                  else
                                    let timeout = exists("b:matchparen_timeout") ? b:matchparen_timeout : g:matchparen_timeout
                                  endif

                                --
                                ZOOT:  I'm afraid our life must seem very dull and quiet compared to yours.
                                       We are but eightscore young blondes, all between sixteen and
                                       nineteen-and-a-half, cut off in this castle, with no one to protect us.
                                       Oooh.  It is a lonely life ... bathing ...  dressing ... undressing ...
                                       making exciting underwear....
                                                 "Monty Python and the Holy Grail" PYTHON (MONTY) PICTURES LTD

                                 /// Bram Moolenaar -- Bram@... -- 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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