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patch 8.1.1140: not easy to find out what neighbors a window has

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Problem:    Not easy to find out what neighbors a window has.
Solution:   Add more arguments to winnr(). (Yegappan Lakshmanan, closes #3993)
This commit is contained in:
Bram Moolenaar
2019-04-08 20:01:47 +02:00
parent 9845f36aa6
commit 46ad288b9b
6 changed files with 146 additions and 26 deletions
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29
runtime/doc/eval.txt
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@@ -10198,17 +10198,30 @@ winline() The result is a Number, which is the screen line of the cursor
*winnr()*
winnr([{arg}]) The result is a Number, which is the number of the current
window. The top window has number 1.
When the optional argument is "$", the number of the
last window is returned (the window count). >
let window_count = winnr('$')
< When the optional argument is "#", the number of the last
accessed window is returned (where |CTRL-W_p| goes to).
If there is no previous window or it is in another tab page 0
is returned.
The optional argument {arg} supports the following values:
$ the number of the last window (the window
count).
# the number of the last accessed window (where
|CTRL-W_p| goes to). If there is no previous
window or it is in another tab page 0 is
returned.
{N}j the number of the Nth window below the
current window (where |CTRL-W_j| goes to).
{N}k the number of the Nth window above the current
window (where |CTRL-W_k| goes to).
{N}h the number of the Nth window left of the
current window (where |CTRL-W_h| goes to).
{N}l the number of the Nth window right of the
current window (where |CTRL-W_l| goes to).
The number can be used with |CTRL-W_w| and ":wincmd w"
|:wincmd|.
Also see |tabpagewinnr()| and |win_getid()|.
Examples: >
let window_count = winnr('$')
let prev_window = winnr('#')
let wnum = winnr('3k')
<
*winrestcmd()*
winrestcmd() Returns a sequence of |:resize| commands that should restore
the current window sizes. Only works properly when no windows