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patch 9.0.1725: cursor pos wrong after concealed text with 'virtualedit'

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Problem:    Wrong cursor position when clicking after concealed text
            with 'virtualedit'.
Solution:   Store virtual columns in ScreenCols[] instead of text
            columns, and always use coladvance() when clicking.

This also fixes incorrect curswant when clicking on a TAB, so now
Test_normal_click_on_ctrl_char() asserts the same results as the ones
before patch 9.0.0048.

closes: #12808

Signed-off-by: Christian Brabandt <cb@256bit.org>
Co-authored-by: zeertzjq <zeertzjq@outlook.com>
This commit is contained in:
zeertzjq
2023-08-17 22:35:26 +02:00
committed by Christian Brabandt
parent 2261c89a49
commit e500ae8e29
7 changed files with 102 additions and 44 deletions
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2
src/globals.h
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@@ -32,7 +32,7 @@ EXTERN long Columns INIT(= 80); // nr of columns in the screen
* The characters that are currently on the screen are kept in ScreenLines[].
* It is a single block of characters, the size of the screen plus one line.
* The attributes for those characters are kept in ScreenAttrs[].
* The byte offset in the line is kept in ScreenCols[].
* The virtual column in the line is kept in ScreenCols[].
*
* "LineOffset[n]" is the offset from ScreenLines[] for the start of line 'n'.
* The same value is used for ScreenLinesUC[], ScreenAttrs[] and ScreenCols[].