On Sat, Jul 13, 2013 at 2:03 PM, yeer kunth wrote:
> Hi, all.
>
> I found a strange issue happens on Mac, not sure it's a bug or not.
>
>
> Say I map a shortcut to TestEcho function, they looks like these in the
> .vimrc file.
>
> nmap <C-@>f :echo TestEcho()<CR>
>
> function! TestEcho()
> let v = winsaveview()
> try
> return "foobar"
> finally
> call winrestview(v)
> endtry
> endfunction
>
>
> Then I open a vim, and trigger the shortcut, I can see "foobar" in the
> status line.
> However when I use MacVim, the status line shows nothing.
>
>
> In my expectation, the MacVim should act as what vim does. So I checkout
> the latest source code, and found this line of code makes the difference.
>
> https://github.com/b4winckler/macvim/blob/master/src/window.c#L5807
>
> Anyone knows the reason of this magic?
>
Well, usually I avoid modifying the Vim source code so I was a bit
surprised to see this and could not remember why I made this change. All I
can come up with is this commit message, which describes the change:
Avoid display corruption on :vsp and 'go' changes
Always redraw the screen when splitting vertically or when the 'go'
option is modified (it may e.g. cause scrollbars to hide/show).
So, it seems to be related to vertical splitting. Perhaps there is a
better way to solve the problem?
Björn
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