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updated for version 7.3.1164

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Problem:    Can't test what is actually displayed on screen.
Solution:   Add the screenchar() and screenattr() functions.
This commit is contained in:
Bram Moolenaar
2013-06-11 18:40:13 +02:00
parent c09a6d6c0c
commit 9a773488a7
3 changed files with 76 additions and 0 deletions
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17
runtime/doc/eval.txt
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@@ -1906,6 +1906,8 @@ repeat( {expr}, {count}) String repeat {expr} {count} times
resolve( {filename}) String get filename a shortcut points to
reverse( {list}) List reverse {list} in-place
round( {expr}) Float round off {expr}
screenattr( {row}, {col}) Number attribute at screen position
screenchar( {row}, {col}) Number character at screen position
screencol() Number current cursor column
screenrow() Number current cursor row
search( {pattern} [, {flags} [, {stopline} [, {timeout}]]])
@@ -4890,6 +4892,21 @@ round({expr}) *round()*
< -5.0
{only available when compiled with the |+float| feature}
screenattr(row, col) *screenattr()*
Like screenchar(), but return the attribute. This is a rather
arbitrary number that can only be used to compare to the
attribute at other positions.
screenchar(row, col) *screenchar()*
The result is a Number, which is the character at position
[row, col] on the screen. This works for every possible
screen position, also status lines, window separators and the
command line. The top left position is row one, column one
The character excludes composing characters. For double-byte
encodings it may only be the first byte.
This is mainly to be used for testing.
Returns -1 when row or col is out of range.
screencol() *screencol()*
The result is a Number, which is the current screen column of
the cursor. The leftmost column has number 1.