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patch 8.0.1573: getwinpos(1) may cause response to be handled as command

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Problem:    getwinpos(1) may cause response to be handled as command.
Solution:   Handle any cursor position report once one was request. (partly by
            Hirohito Higashi)
This commit is contained in:
Bram Moolenaar
2018-03-05 22:43:10 +01:00
parent 362dc33835
commit 89894aa671
2 changed files with 35 additions and 11 deletions
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44
src/term.c
View File

@@ -143,6 +143,9 @@ static int rbm_status = STATUS_GET;
/* Request cursor style report: */
static int rcs_status = STATUS_GET;
/* Request windos position report: */
static int winpos_status = STATUS_GET;
# endif
/*
@@ -2778,9 +2781,9 @@ can_get_termresponse()
&& p_ek;
}
static int winpos_x;
static int winpos_y;
static int waiting_for_winpos = FALSE;
static int winpos_x = -1;
static int winpos_y = -1;
static int did_request_winpos = 0;
/*
* Try getting the Vim window position from the terminal.
@@ -2790,29 +2793,43 @@ static int waiting_for_winpos = FALSE;
term_get_winpos(int *x, int *y, varnumber_T timeout)
{
int count = 0;
int prev_winpos_x = winpos_x;
int prev_winpos_y = winpos_y;
if (*T_CGP == NUL || !can_get_termresponse())
return FAIL;
winpos_x = -1;
winpos_y = -1;
waiting_for_winpos = TRUE;
++did_request_winpos;
winpos_status = STATUS_SENT;
OUT_STR(T_CGP);
out_flush();
/* Try reading the result for "timeout" msec. */
while (count++ < timeout / 10)
while (count++ <= timeout / 10 && !got_int)
{
(void)vpeekc_nomap();
if (winpos_x >= 0 && winpos_y >= 0)
{
*x = winpos_x;
*y = winpos_y;
waiting_for_winpos = FALSE;
return OK;
}
ui_delay(10, FALSE);
}
waiting_for_winpos = FALSE;
/* Do not reset "did_request_winpos", if we timed out the response might
* still come later and we must consume it. */
winpos_x = prev_winpos_x;
winpos_y = prev_winpos_y;
if (timeout < 10 && prev_winpos_y >= 0 && prev_winpos_y >= 0)
{
/* Polling: return previous values if we have them. */
*x = winpos_x;
*y = winpos_y;
return OK;
}
return FALSE;
}
# endif
@@ -3365,7 +3382,8 @@ settmode(int tmode)
#endif
|| rbg_status == STATUS_SENT
|| rbm_status == STATUS_SENT
|| rcs_status == STATUS_SENT))
|| rcs_status == STATUS_SENT
|| winpos_status == STATUS_SENT))
(void)vpeekc_nomap();
check_for_codes_from_term();
}
@@ -3439,7 +3457,8 @@ stoptermcap(void)
# endif
|| rbg_status == STATUS_SENT
|| rbm_status == STATUS_SENT
|| rcs_status == STATUS_SENT)
|| rcs_status == STATUS_SENT
|| winpos_status == STATUS_SENT)
{
# ifdef UNIX
/* Give the terminal a chance to respond. */
@@ -4468,7 +4487,7 @@ check_termcode(
*/
char_u *argp = tp[0] == ESC ? tp + 2 : tp + 1;
if ((*T_CRV != NUL || *T_U7 != NUL || waiting_for_winpos)
if ((*T_CRV != NUL || *T_U7 != NUL || did_request_winpos)
&& ((tp[0] == ESC && len >= 3 && tp[1] == '[')
|| (tp[0] == CSI && len >= 2))
&& (VIM_ISDIGIT(*argp) || *argp == '>' || *argp == '?'))
@@ -4730,7 +4749,7 @@ check_termcode(
* Check for a window position response from the terminal:
* {lead}3;{x}:{y}t
*/
else if (waiting_for_winpos
else if (did_request_winpos
&& ((len >= 4 && tp[0] == ESC && tp[1] == '[')
|| (len >= 3 && tp[0] == CSI))
&& tp[(j = 1 + (tp[0] == ESC))] == '3'
@@ -4752,6 +4771,9 @@ check_termcode(
key_name[0] = (int)KS_EXTRA;
key_name[1] = (int)KE_IGNORE;
slen = i + 1;
if (--did_request_winpos <= 0)
winpos_status = STATUS_GOT;
}
}
if (i == len)

2
src/version.c
View File

@@ -766,6 +766,8 @@ static char *(features[]) =
static int included_patches[] =
{ /* Add new patch number below this line */
/**/
1573,
/**/
1572,
/**/