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patch 8.1.1055: CTRL-G U in Insert mode doesn't work for shift-Left

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Problem:    CTRL-G U in Insert mode doesn't work to avoid splitting the undo
            sequence for shift-left and shift-right.
Solution:   Also check dont_sync_undo for shifted cursor keys. (Christian
            Brabandt)
This commit is contained in:
Bram Moolenaar
2019-03-26 22:46:05 +01:00
parent 6fb5c97242
commit 75bf3d22f4
3 changed files with 51 additions and 17 deletions
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41
src/edit.c
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@@ -236,11 +236,11 @@ static void ins_mousescroll(int dir);
#if defined(FEAT_GUI_TABLINE) || defined(PROTO)
static void ins_tabline(int c);
#endif
static void ins_left(int end_change);
static void ins_left(void);
static void ins_home(int c);
static void ins_end(int c);
static void ins_s_left(void);
static void ins_right(int end_change);
static void ins_right(void);
static void ins_s_right(void);
static void ins_up(int startcol);
static void ins_pageup(void);
@@ -290,10 +290,10 @@ static int ins_need_undo; /* call u_save() before inserting a
char. Set when edit() is called.
after that arrow_used is used. */
static int did_add_space = FALSE; /* auto_format() added an extra space
under the cursor */
static int dont_sync_undo = FALSE; /* CTRL-G U prevents syncing undo for
the next left/right cursor */
static int did_add_space = FALSE; // auto_format() added an extra space
// under the cursor
static int dont_sync_undo = FALSE; // CTRL-G U prevents syncing undo for
// the next left/right cursor key
/*
* edit(): Start inserting text.
@@ -1284,7 +1284,7 @@ doESCkey:
if (mod_mask & (MOD_MASK_SHIFT|MOD_MASK_CTRL))
ins_s_left();
else
ins_left(dont_sync_undo == FALSE);
ins_left();
break;
case K_S_LEFT: /* <S-Left> */
@@ -1296,7 +1296,7 @@ doESCkey:
if (mod_mask & (MOD_MASK_SHIFT|MOD_MASK_CTRL))
ins_s_right();
else
ins_right(dont_sync_undo == FALSE);
ins_right();
break;
case K_S_RIGHT: /* <S-Right> */
@@ -9291,10 +9291,10 @@ ins_horscroll(void)
#endif
static void
ins_left(
int end_change) /* end undoable change */
ins_left(void)
{
pos_T tpos;
int end_change = dont_sync_undo == FALSE; // end undoable change
#ifdef FEAT_FOLDING
if ((fdo_flags & FDO_HOR) && KeyTyped)
@@ -9378,8 +9378,9 @@ ins_end(int c)
}
static void
ins_s_left(void)
ins_s_left()
{
int end_change = dont_sync_undo == FALSE; // end undoable change
#ifdef FEAT_FOLDING
if ((fdo_flags & FDO_HOR) && KeyTyped)
foldOpenCursor();
@@ -9387,18 +9388,22 @@ ins_s_left(void)
undisplay_dollar();
if (curwin->w_cursor.lnum > 1 || curwin->w_cursor.col > 0)
{
start_arrow(&curwin->w_cursor);
start_arrow_with_change(&curwin->w_cursor, end_change);
if (!end_change)
AppendCharToRedobuff(K_S_LEFT);
(void)bck_word(1L, FALSE, FALSE);
curwin->w_set_curswant = TRUE;
}
else
vim_beep(BO_CRSR);
dont_sync_undo = FALSE;
}
static void
ins_right(
int end_change) /* end undoable change */
ins_right(void)
{
int end_change = dont_sync_undo == FALSE; // end undoable change
#ifdef FEAT_FOLDING
if ((fdo_flags & FDO_HOR) && KeyTyped)
foldOpenCursor();
@@ -9442,8 +9447,9 @@ ins_right(
}
static void
ins_s_right(void)
ins_s_right()
{
int end_change = dont_sync_undo == FALSE; // end undoable change
#ifdef FEAT_FOLDING
if ((fdo_flags & FDO_HOR) && KeyTyped)
foldOpenCursor();
@@ -9452,12 +9458,15 @@ ins_s_right(void)
if (curwin->w_cursor.lnum < curbuf->b_ml.ml_line_count
|| gchar_cursor() != NUL)
{
start_arrow(&curwin->w_cursor);
start_arrow_with_change(&curwin->w_cursor, end_change);
if (!end_change)
AppendCharToRedobuff(K_S_RIGHT);
(void)fwd_word(1L, FALSE, 0);
curwin->w_set_curswant = TRUE;
}
else
vim_beep(BO_CRSR);
dont_sync_undo = FALSE;
}
static void