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vim-patch:8.1.1205: BufReadPre may move the cursor #9980

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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 vim/vim#4302, closes vim/vim#4294)
a68e595909
This commit is contained in:
Justin M. Keyes
2019-05-08 18:01:21 +02:00
committed by GitHub
parent d36ef9339f
commit 8330cc22af
4 changed files with 92 additions and 11 deletions
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33
src/nvim/buffer_defs.h
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@@ -999,6 +999,16 @@ typedef struct {
.relative = 0, .external = false, \
.focusable = true })
// 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;
/// Structure which contains all information that belongs to a window.
///
/// All row numbers are relative to the start of the window, except w_winrow.
@@ -1091,17 +1101,18 @@ struct window_S {
colnr_T w_skipcol; /* starting column when a single line
doesn't fit in the window */
/*
* Layout of the window in the screen.
* May need to add "msg_scrolled" to "w_winrow" in rare situations.
*/
int w_winrow; /* first row of window in screen */
int w_height; /* number of rows in window, excluding
status/command line(s) */
int w_status_height; /* number of status lines (0 or 1) */
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). */
//
// Layout of the window in the screen.
// May need to add "msg_scrolled" to "w_winrow" in rare situations.
//
int w_winrow; // first row of window in screen
int w_height; // number of rows in window, excluding
// status/command line(s)
int w_status_height; // number of status lines (0 or 1)
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
// inner size of window, which can be overridden by external UI
int w_height_inner;