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patch 8.1.1205: a BufReadPre autocommand may cause the cursor to move

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Problem:    A BufReadPre autocommand may cause the cursor to move.
Solution:   Restore the cursor position after executing the autocommand,
            unless the autocommand moved it. (Christian Brabandt,
            closes #4302, closes #4294)
This commit is contained in:
Bram Moolenaar
2019-04-25 22:22:01 +02:00
parent a561a41a70
commit a68e595909
6 changed files with 97 additions and 1 deletions
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12
src/structs.h
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@@ -2715,6 +2715,16 @@ struct matchitem
#endif
};
// Structure to store last cursor position and topline. Used by check_lnums()
// and reset_lnums().
typedef struct
{
int w_topline_save; // original topline value
int w_topline_corr; // corrected topline value
pos_T w_cursor_save; // original cursor position
pos_T w_cursor_corr; // corrected cursor position
} pos_save_T;
#ifdef FEAT_MENU
typedef struct {
int wb_startcol;
@@ -2803,6 +2813,8 @@ struct window_S
int w_wincol; /* Leftmost column of window in screen. */
int w_width; /* Width of window, excluding separation. */
int w_vsep_width; /* Number of separator columns (0 or 1). */
pos_save_T w_save_cursor; /* backup of cursor pos and topline */
/*
* === start of cached values ====