Re: Insert a tab or call a function

On Thu, September 29, 2011 1:53 pm, AK wrote:
> On 09/29/2011 01:30 AM, Christian Brabandt wrote:
>> On Wed, September 28, 2011 10:52 pm, AK wrote:
>>> Hi, I'm trying to write a small function that is called when I press
>>> tab
>>> key and checks if current line is empty; if it is, it should insert a
>>> tab, and if not, it should call two other functions. Here's the example
>>> of what I came up with, which does not work right:
>>>
>>> function! DoTab()
>>> if match(getline('.'), '^\s*$') != -1
>>> call feedkeys("\<tab>") | return ''
>>> else
>>> call CloseMenu()
>>> call feedkeys("\<c-r>=TriggerSnippet()\<cr>") | return ''
>>> endif
>>> endfu
>>> ino<silent> <tab> <c-o>:call DoTab()<CR>
>>>
>>> CloseMenu is another function I have that closes a popup menu if it's
>>> open, TriggerSnippet is a snipmate function that expands current
>>> snippet.
>>
>> And now the question: What are you expecting and what do you see
>> instead?
>> Please don't let us guess, what is not working!
>
> Sorry, but it was just flickering the cursor on screen, so
> I thought it was some obvious error in the way I wrote it.

I think what happens is, that your call to feedkeys("\<tab>") triggers
the mapping again and again.

Use the second argument "n" to prevent that.

regards,
Christian

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