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-rw-r--r--src/main.c3
-rw-r--r--src/option.c1
-rw-r--r--src/proto/term.pro1
-rw-r--r--src/term.c99
-rw-r--r--src/term.h6
-rw-r--r--src/version.c2
6 files changed, 100 insertions, 12 deletions
diff --git a/src/main.c b/src/main.c
index 6581ba939..ef4893458 100644
--- a/src/main.c
+++ b/src/main.c
@@ -804,6 +804,9 @@ vim_main2(int argc UNUSED, char **argv UNUSED)
starttermcap(); /* start termcap if not done by wait_return() */
TIME_MSG("start termcap");
+#if defined(FEAT_TERMRESPONSE) && defined(FEAT_MBYTE)
+ may_req_ambiguous_character_width();
+#endif
#ifdef FEAT_MOUSE
setmouse(); /* may start using the mouse */
diff --git a/src/option.c b/src/option.c
index adb501be8..f9d9fd5c2 100644
--- a/src/option.c
+++ b/src/option.c
@@ -2900,6 +2900,7 @@ static struct vimoption
p_term("t_op", T_OP)
p_term("t_RI", T_CRI)
p_term("t_RV", T_CRV)
+ p_term("t_u7", T_U7)
p_term("t_Sb", T_CSB)
p_term("t_Sf", T_CSF)
p_term("t_se", T_SE)
diff --git a/src/proto/term.pro b/src/proto/term.pro
index 9958763bf..720d02854 100644
--- a/src/proto/term.pro
+++ b/src/proto/term.pro
@@ -34,6 +34,7 @@ void settmode __ARGS((int tmode));
void starttermcap __ARGS((void));
void stoptermcap __ARGS((void));
void may_req_termresponse __ARGS((void));
+void may_req_ambiguous_character_width __ARGS((void));
int swapping_screen __ARGS((void));
void setmouse __ARGS((void));
int mouse_has __ARGS((int c));
diff --git a/src/term.c b/src/term.c
index 6515f8541..480a5c079 100644
--- a/src/term.c
+++ b/src/term.c
@@ -111,6 +111,11 @@ char *tgetstr __ARGS((char *, char **));
# define CRV_SENT 2 /* did send T_CRV, waiting for answer */
# define CRV_GOT 3 /* received T_CRV response */
static int crv_status = CRV_GET;
+/* Request Cursor position report: */
+# define U7_GET 1 /* send T_U7 when switched to RAW mode */
+# define U7_SENT 2 /* did send T_U7, waiting for answer */
+# define U7_GOT 3 /* received T_U7 response */
+static int u7_status = U7_GET;
# endif
/*
@@ -933,6 +938,7 @@ static struct builtin_term builtin_termcaps[] =
{(int)KS_CWP, IF_EB("\033[3;%d;%dt", ESC_STR "[3;%d;%dt")},
# endif
{(int)KS_CRV, IF_EB("\033[>c", ESC_STR "[>c")},
+ {(int)KS_U7, IF_EB("\033[6n", ESC_STR "[6n")},
{K_UP, IF_EB("\033O*A", ESC_STR "O*A")},
{K_DOWN, IF_EB("\033O*B", ESC_STR "O*B")},
@@ -1221,6 +1227,7 @@ static struct builtin_term builtin_termcaps[] =
{(int)KS_CWP, "[%dCWP%d]"},
# endif
{(int)KS_CRV, "[CRV]"},
+ {(int)KS_U7, "[U7]"},
{K_UP, "[KU]"},
{K_DOWN, "[KD]"},
{K_LEFT, "[KL]"},
@@ -1596,6 +1603,7 @@ set_termname(term)
{KS_TS, "ts"}, {KS_FS, "fs"},
{KS_CWP, "WP"}, {KS_CWS, "WS"},
{KS_CSI, "SI"}, {KS_CEI, "EI"},
+ {KS_U7, "u7"},
{(enum SpecialKey)0, NULL}
};
@@ -3183,7 +3191,8 @@ settmode(tmode)
/* May need to check for T_CRV response and termcodes, it
* doesn't work in Cooked mode, an external program may get
* them. */
- if (tmode != TMODE_RAW && crv_status == CRV_SENT)
+ if (tmode != TMODE_RAW && (crv_status == CRV_SENT
+ || u7_status == U7_SENT))
(void)vpeekc_nomap();
check_for_codes_from_term();
}
@@ -3245,7 +3254,7 @@ stoptermcap()
# endif
{
/* May need to check for T_CRV response. */
- if (crv_status == CRV_SENT)
+ if (crv_status == CRV_SENT || u7_status == U7_SENT)
(void)vpeekc_nomap();
/* Check for termcodes first, otherwise an external program may
* get them. */
@@ -3299,6 +3308,48 @@ may_req_termresponse()
(void)vpeekc_nomap();
}
}
+
+# if defined(FEAT_MBYTE) || defined(PROTO)
+/*
+ * Check how the terminal treats ambiguous character width (UAX #11).
+ * First, we move the cursor to (0, 0) and print a test ambiguous character
+ * \u25bd (WHITE DOWN-POINTING TRIANGLE) and query current cursor position.
+ * If the terminal treats \u25bd as single width, the position is (0, 1),
+ * or if it is treated as double width, that will be (0, 2).
+ * This function has the side effect that changes cursor position, so
+ * it must be called immediately after entering termcap mode.
+ */
+ void
+may_req_ambiguous_character_width()
+{
+ if (u7_status == U7_GET
+ && cur_tmode == TMODE_RAW
+ && termcap_active
+ && p_ek
+# ifdef UNIX
+ && isatty(1)
+ && isatty(read_cmd_fd)
+# endif
+ && *T_U7 != NUL
+ && !option_was_set((char_u *)"ambiwidth"))
+ {
+ char_u buf[16];
+
+ term_windgoto(0, 0);
+ buf[mb_char2bytes(0x25bd, buf)] = 0;
+ out_str(buf);
+ out_str(T_U7);
+ u7_status = U7_SENT;
+ term_windgoto(0, 0);
+ out_str((char_u *)" ");
+ term_windgoto(0, 0);
+ /* check for the characters now, otherwise they might be eaten by
+ * get_keystroke() */
+ out_flush();
+ (void)vpeekc_nomap();
+ }
+}
+# endif
#endif
/*
@@ -4049,13 +4100,22 @@ check_termcode(max_offset, buf, bufsize, buflen)
/* URXVT mouse uses <ESC>[#;#;#M, but we are matching <ESC>[ */
|| key_name[0] == KS_URXVT_MOUSE)
{
- /* Check for xterm version string: "<Esc>[>{x};{vers};{y}c". Also
- * eat other possible responses to t_RV, rxvt returns
- * "<Esc>[?1;2c". Also accept CSI instead of <Esc>[.
- * mrxvt has been reported to have "+" in the version. Assume
- * the escape sequence ends with a letter or one of "{|}~". */
- if (*T_CRV != NUL && ((tp[0] == ESC && tp[1] == '[' && len >= 3)
- || (tp[0] == CSI && len >= 2)))
+ /* Check for some responses from terminal start with "<Esc>[" or
+ * CSI.
+ *
+ * - xterm version string: <Esc>[>{x};{vers};{y}c
+ * Also eat other possible responses to t_RV, rxvt returns
+ * "<Esc>[?1;2c". Also accept CSI instead of <Esc>[.
+ * mrxvt has been reported to have "+" in the version. Assume
+ * the escape sequence ends with a letter or one of "{|}~".
+ *
+ * - cursor position report: <Esc>[{row};{col}R
+ * The final byte is 'R'. now it is only used for checking for
+ * ambiguous-width character state.
+ */
+ if ((*T_CRV != NUL || *T_U7 != NUL)
+ && ((tp[0] == ESC && tp[1] == '[' && len >= 3)
+ || (tp[0] == CSI && len >= 2)))
{
j = 0;
extra = 0;
@@ -4067,8 +4127,27 @@ check_termcode(max_offset, buf, bufsize, buflen)
if (i == len)
return -1; /* not enough characters */
+#ifdef FEAT_MBYTE
+ /* eat it when it has 2 arguments and ends in 'R' */
+ if (u7_status == U7_SENT && j == 1 && tp[i] == 'R')
+ {
+ char *p = NULL;
+
+ u7_status = U7_GOT;
+ if (extra == 2)
+ p = "single";
+ else if (extra == 3)
+ p = "double";
+ if (p != NULL)
+ set_option_value((char_u *)"ambw", 0L, (char_u *)p, 0);
+ key_name[0] = (int)KS_EXTRA;
+ key_name[1] = (int)KE_IGNORE;
+ slen = i + 1;
+ }
+ else
+#endif
/* eat it when at least one digit and ending in 'c' */
- if (i > 2 + (tp[0] != CSI) && tp[i] == 'c')
+ if (*T_CRV != NUL && i > 2 + (tp[0] != CSI) && tp[i] == 'c')
{
crv_status = CRV_GOT;
diff --git a/src/term.h b/src/term.h
index cc9f8ac9f..22b60b133 100644
--- a/src/term.h
+++ b/src/term.h
@@ -83,10 +83,11 @@ enum SpecialKey
#ifdef FEAT_VERTSPLIT
KS_CSV, /* scroll region vertical */
#endif
- KS_OP /* original color pair */
+ KS_OP, /* original color pair */
+ KS_U7 /* request cursor position */
};
-#define KS_LAST KS_OP
+#define KS_LAST KS_U7
/*
* the terminal capabilities are stored in this array
@@ -158,6 +159,7 @@ extern char_u *(term_strings[]); /* current terminal strings */
#define T_CEI (term_str(KS_CEI)) /* end insert mode */
#define T_CRV (term_str(KS_CRV)) /* request version string */
#define T_OP (term_str(KS_OP)) /* original color pair */
+#define T_U7 (term_str(KS_U7)) /* request cursor position */
#define TMODE_COOK 0 /* terminal mode for external cmds and Ex mode */
#define TMODE_SLEEP 1 /* terminal mode for sleeping (cooked but no echo) */
diff --git a/src/version.c b/src/version.c
index dc224d631..8683c6d2d 100644
--- a/src/version.c
+++ b/src/version.c
@@ -729,6 +729,8 @@ static char *(features[]) =
static int included_patches[] =
{ /* Add new patch number below this line */
/**/
+ 859,
+/**/
858,
/**/
857,