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patch 9.0.1742: wrong curswant when clicking on second cell of double-width char

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Problem:  Wrong curswant when clicking and the second cell of a
          double-width char.
Solution: Don't copy virtcol of the first char to the second one.

closes: #12842

Signed-off-by: Christian Brabandt <cb@256bit.org>
Co-authored-by: zeertzjq <zeertzjq@outlook.com>
This commit is contained in:
zeertzjq
2023-08-19 13:08:50 +02:00
committed by Christian Brabandt
parent c5d2744c04
commit 9994160bfe
3 changed files with 29 additions and 2 deletions
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4
src/screen.c
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@ -17,7 +17,7 @@
* ScreenLines[off] Contains a copy of the whole screen, as it is currently
* displayed (excluding text written by external commands).
* ScreenAttrs[off] Contains the associated attributes.
* ScreenCols[off] Contains the byte offset in the line. -1 means not
* ScreenCols[off] Contains the virtual columns in the line. -1 means not
* available (below last line), MAXCOL means after the end
* of the line.
*
@ -743,7 +743,7 @@ screen_line(
ScreenCols[off_to] = ScreenCols[off_from];
if (char_cells == 2)
ScreenCols[off_to + 1] = ScreenCols[off_from];
ScreenCols[off_to + 1] = ScreenCols[off_from + 1];
off_to += char_cells;
off_from += char_cells;