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vim-patch:8.2.2427: can still switch windows for 'completefunc'

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Problem:    Can still switch windows for 'completefunc'.
Solution:   Also disallow switching windows for other completions.
3eb6bd9c2b

Assert E565 instead of E578.
Need to assert a different string because patch 8.2.1919 hasn't been
ported yet.
This commit is contained in:
zeertzjq
2022-07-17 12:21:39 +08:00
parent f72ec95958
commit 006334f3a7
3 changed files with 7 additions and 22 deletions
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19
src/nvim/edit.c
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@@ -136,7 +136,6 @@ static char *ctrl_x_mode_names[] = {
};
static char e_hitend[] = N_("Hit end of paragraph");
static char e_complwin[] = N_("E839: Completion function changed window");
static char e_compldel[] = N_("E840: Completion function deleted text");
/*
@@ -3939,8 +3938,6 @@ static void expand_by_function(int type, char_u *base)
dict_T *matchdict = NULL;
char_u *funcname;
pos_T pos;
win_T *curwin_save;
buf_T *curbuf_save;
typval_T rettv;
const int save_State = State;
@@ -3959,8 +3956,6 @@ static void expand_by_function(int type, char_u *base)
args[1].vval.v_string = base != NULL ? (char *)base : "";
pos = curwin->w_cursor;
curwin_save = curwin;
curbuf_save = curbuf;
// Lock the text to avoid weird things from happening. Also disallow
// switching to another window, it should not be needed and may end up in
// Insert mode in another buffer.
@@ -3985,10 +3980,6 @@ static void expand_by_function(int type, char_u *base)
}
textlock--;
if (curwin_save != curwin || curbuf_save != curbuf) {
emsg(_(e_complwin));
goto theend;
}
curwin->w_cursor = pos; // restore the cursor position
validate_cursor();
if (!equalpos(curwin->w_cursor, pos)) {
@@ -5226,8 +5217,6 @@ static int ins_complete(int c, bool enable_pum)
// set to 1 to obtain the length of text to use for completion.
char_u *funcname;
pos_T pos;
win_T *curwin_save;
buf_T *curbuf_save;
const int save_State = State;
// Call 'completefunc' or 'omnifunc' and get pattern length as a string
@@ -5248,15 +5237,11 @@ static int ins_complete(int c, bool enable_pum)
args[1].vval.v_string = "";
pos = curwin->w_cursor;
curwin_save = curwin;
curbuf_save = curbuf;
textlock++;
colnr_T col = (colnr_T)call_func_retnr((char *)funcname, 2, args);
textlock--;
State = save_State;
if (curwin_save != curwin || curbuf_save != curbuf) {
emsg(_(e_complwin));
return FAIL;
}
curwin->w_cursor = pos; // restore the cursor position
validate_cursor();
if (!equalpos(curwin->w_cursor, pos)) {