Problem: Unnecessary loop in getvcol().
Solution: Compare next char position with pos->col directly.
(zeertzjq)
The loop below already handles end of line before checking for posptr,
and the next char is after pos->col whether pos->col is at the start or
in the middle of the char in question, so neither the NUL check nor the
mb_head_off() are needed when comparing the position of the next char
with pos->col directly.
closes: #13878
Signed-off-by: zeertzjq <zeertzjq@outlook.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
Problem: Calling get_breakindent_win() repeatedly when computing
virtual column, and get_breakindent_win() does a STRCMP() on
the whole line since patch 9.0.0016.
Solution: Cache the result, since the line doesn't change.
(zeertzjq)
closes: #13879
Signed-off-by: zeertzjq <zeertzjq@outlook.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
Problem: is*() and to*() function may be unsafe
Solution: Add SAFE_* macros and start using those instead
(Keith Thompson)
Use SAFE_() macros for is*() and to*() functions
The standard is*() and to*() functions declared in <ctype.h> have
undefined behavior for negative arguments other than EOF. If plain char
is signed, passing an unchecked value from argv for from user input
to one of these functions has undefined behavior.
Solution: Add SAFE_*() macros that cast the argument to unsigned char.
Most implementations behave sanely for negative arguments, and most
character values in practice are non-negative, but it's still best
to avoid undefined behavior.
The change from #13347 has been omitted, as this has already been
separately fixed in commit ac709e2fc0db6d31abb7da96f743c40956b60c3a
(v9.0.2054)
fixes: #13332closes: #13347
Signed-off-by: Keith Thompson <Keith.S.Thompson@gmail.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
Problem: Coverity complains about change in charset (after v9.0.2017)
Solution: check pointer t at index 0
closes: #13322
Signed-off-by: Christian Brabandt <cb@256bit.org>
Problem: linebreak applies for leading whitespace
Solution: only apply linebreak, once we have found non-breakat chars in
the line
closes: #13228closes: #13243
Signed-off-by: Christian Brabandt <cb@256bit.org>
Problem: Wrong display with "above" virtual text and 'linebreak' or
'breakindent' and 'showbreak'.
Solution: Exclude size of "above" virtual text when calculating them.
closes: #13000
Signed-off-by: Christian Brabandt <cb@256bit.org>
Co-authored-by: zeertzjq <zeertzjq@outlook.com>
Problem: Wrong cursor position with virtual text before double-width
char at window edge.
Solution: Check for double-width char before adding virtual text size.
closes: #12977
Signed-off-by: Christian Brabandt <cb@256bit.org>
Co-authored-by: zeertzjq <zeertzjq@outlook.com>
Problem: Wrong cursor position with virtual text before a whitespace
character and 'linebreak'.
Solution: Always set "col_adj" to "size - 1" and apply 'linebreak' after
adding the size of 'breakindent' and 'showbreak'.
closes: #12956
Signed-off-by: Christian Brabandt <cb@256bit.org>
Co-authored-by: zeertzjq <zeertzjq@outlook.com>
Problem: 'linebreak' is incorrectly drawn after 'breakindent'.
Solution: Don't include 'breakindent' size when already after it.
closes: #12937closes: #12940
Signed-off-by: Christian Brabandt <cb@256bit.org>
Co-authored-by: zeertzjq <zeertzjq@outlook.com>
Problem: Multiline regex with Visual selection fails when Visual
selection contains virtual text after last char.
Solution: Only include virtual text after last char when getting full
line length.
closes: #12908
Signed-off-by: Christian Brabandt <cb@256bit.org>
Co-authored-by: zeertzjq <zeertzjq@outlook.com>
Problem: Cursor position still wrong with 'showbreak' and virtual text
after last character or 'listchars' "eol".
Solution: Remove unnecessary w_wcol adjustment in curs_columns(). Also
fix first char of virtual text not shown at the start of a screen
line.
closes: #12478closes: #12532closes: #12904
Signed-off-by: Christian Brabandt <cb@256bit.org>
Co-authored-by: zeertzjq <zeertzjq@outlook.com>
Problem: wrong cursor position with 'showbreak' and lcs-eol
Solution: Add size of 'showbreak' before when 'listchars' "eol" is used.
Also fix wrong cursor position with wrapping virtual text on
empty line and 'showbreak'.
closes: #12891
Signed-off-by: Christian Brabandt <cb@256bit.org>
Co-authored-by: zeertzjq <zeertzjq@outlook.com>
Problem: Wrong display with wrapping virtual text or unprintable chars,
'showbreak' and 'smoothscroll'.
Solution: Don't skip cells taken by 'showbreak' in screen lines before
"w_skipcol". Combined "n_skip" and "skip_cells".
closes: #12597
Signed-off-by: Christian Brabandt <cb@256bit.org>
Co-authored-by: zeertzjq <zeertzjq@outlook.com>
Problem: lines disappear when modifying chars before virt text
Solution: take virtual text property length into account
closes: #12558closes: #12244
Signed-off-by: Christian Brabandt <cb@256bit.org>
Co-authored-by: Ibby <33922797+SleepySwords@users.noreply.github.com>
Problem: dead code in charset.c
Solution: remove it
linetabsize_col() calls init_chartabsize_arg() with 0 as "lnum", so
cts.cts_has_prop_with_text is always FALSE.
closes: #PR
Signed-off-by: Christian Brabandt <cb@256bit.org>
Co-authored-by: zeertzjq <zeertzjq@outlook.com>
Problem: Cursor in wrong position below line with virtual text below ending
in multi-byte character.
Solution: When checking for last character take care of multi-byte
character.
Problem: :messages behavior depends on 'fileformat' of current buffer.
Solution: Pass the buffer pointer to where it is used. (Mirko Ceroni,
closes#11995)
Problem: Can add text property with negative ID before virtual text
property.
Solution: Remember that a text property with a negative ID was used and give
an appropriate error message. (closes#11725)
Fix index computation.
Problem: 'smoothscroll' and virtual text above don't work together.
(Yee Cheng Chin)
Solution: Skip virtual text above when w_skipcol is non-zero.
(closes#11665)
Problem: Display errors when adding or removing text property type.
Solution: Perform a full redraw. Only use text properties for which the
type is defined. (closes#11655)
Problem: Cursor wrong if inserting before line with virtual text above.
Solution: Add the width of the "above" virtual text to the cursor position.
(issue #11084)
Problem: Cursor position wrong after right aligned virtual text. (Iizuka
Masashi)
Solution: Take the width of the column offset into account. (closes#10997)
Also fix virtual text positioning.
Problem: Cursor in wrong position when inserting after virtual text. (Ben
Jackson)
Solution: Put the cursor after the virtual text, where the text will be
inserted. (closes#10914)
Problem: Cursor position wrong with virtual text before Tab.
Solution: Use the byte length, not the cell with, to compare the column.
Correct tab size after text prop. (closes#10866)
Problem: Cursor positioned wrong with two virtual text properties close
together. (Ben Jackson)
Solution: Add the original size, not the computed one. (closes#10864)
Problem: Cursor positioned wrong after two text properties with virtual
text and "below" alignment. (Tim Pope)
Solution: Do not stop after a text property using MAXCOL. (closes#10849)
