mirror of https://github.com/tmux/tmux.git
Three changes to fix problems with xterm in VT340 mode, reported by
Thomas Sattler.
1) Do not include the DECSLRM or DECFRA features for xterm; they will be
added instead if secondary DA responds as VT420 (this happens
already).
2) Set or reset the individual flags after terminal-overrides is
applied, so the user can properly disable them.
3) Add a capability for DECFRA ("Rect").
pull/2755/head
nicm
parent
9f38a8807c
commit
0c5cbbbf5c
4
tmux.1
4
tmux.1
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@ -6049,6 +6049,10 @@ Disable and enable focus reporting.
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These are set automatically if the
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.Em XT
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capability is present.
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.It Em \&Rect
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Tell
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.Nm
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that the terminal supports rectangle operations.
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.It Em \&Smol
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Enable the overline attribute.
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.It Em \&Smulx
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1
tmux.h
1
tmux.h
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@ -451,6 +451,7 @@ enum tty_code_code {
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TTYC_MS,
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TTYC_OL,
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TTYC_OP,
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TTYC_RECT,
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TTYC_REV,
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TTYC_RGB,
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TTYC_RI,
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@ -218,9 +218,13 @@ static const struct tty_feature tty_feature_margins = {
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};
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/* Terminal supports DECFRA rectangle fill. */
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static const char *tty_feature_rectfill_capabilities[] = {
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"Rect",
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NULL
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};
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static const struct tty_feature tty_feature_rectfill = {
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"rectfill",
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NULL,
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tty_feature_rectfill_capabilities,
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TERM_DECFRA
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};
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@ -351,8 +355,13 @@ tty_default_features(int *feat, const char *name, u_int version)
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",cstyle,extkeys,margins,sync"
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},
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{ .name = "XTerm",
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/*
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* xterm also supports DECSLRM and DECFRA, but they can be
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* disabled so not set it here - they will be added if
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* secondary DA shows VT420.
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*/
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.features = TTY_FEATURES_BASE_MODERN_XTERM
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",ccolour,cstyle,extkeys,focus,margins,rectfill"
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",ccolour,cstyle,extkeys,focus"
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}
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};
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u_int i;
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98
tty-term.c
98
tty-term.c
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@ -248,6 +248,7 @@ static const struct tty_term_code_entry tty_term_codes[] = {
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[TTYC_MS] = { TTYCODE_STRING, "Ms" },
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[TTYC_OL] = { TTYCODE_STRING, "ol" },
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[TTYC_OP] = { TTYCODE_STRING, "op" },
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[TTYC_RECT] = { TTYCODE_STRING, "Rect" },
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[TTYC_REV] = { TTYCODE_STRING, "rev" },
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[TTYC_RGB] = { TTYCODE_FLAG, "RGB" },
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[TTYC_RIN] = { TTYCODE_STRING, "rin" },
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@ -431,10 +432,11 @@ tty_term_apply_overrides(struct tty_term *term)
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struct options_entry *o;
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struct options_array_item *a;
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union options_value *ov;
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const char *s;
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const char *s, *acs;
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size_t offset;
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char *first;
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/* Update capabilities from the option. */
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o = options_get_only(global_options, "terminal-overrides");
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a = options_array_first(o);
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while (a != NULL) {
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@ -447,6 +449,64 @@ tty_term_apply_overrides(struct tty_term *term)
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tty_term_apply(term, s + offset, 0);
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a = options_array_next(a);
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}
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/* Update the RGB flag if the terminal has RGB colours. */
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if (tty_term_has(term, TTYC_SETRGBF) &&
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tty_term_has(term, TTYC_SETRGBB))
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term->flags |= TERM_RGBCOLOURS;
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else
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term->flags &= ~TERM_RGBCOLOURS;
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log_debug("RGBCOLOURS flag is %d", !!(term->flags & TERM_RGBCOLOURS));
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/*
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* Set or clear the DECSLRM flag if the terminal has the margin
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* capabilities.
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*/
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if (tty_term_has(term, TTYC_CMG) && tty_term_has(term, TTYC_CLMG))
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term->flags |= TERM_DECSLRM;
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else
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term->flags &= ~TERM_DECSLRM;
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log_debug("DECSLRM flag is %d", !!(term->flags & TERM_DECSLRM));
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/*
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* Set or clear the DECFRA flag if the terminal has the rectangle
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* capability.
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*/
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if (tty_term_has(term, TTYC_RECT))
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term->flags |= TERM_DECFRA;
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else
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term->flags &= ~TERM_DECFRA;
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log_debug("DECFRA flag is %d", !!(term->flags & TERM_DECFRA));
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/*
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* Terminals without am (auto right margin) wrap at at $COLUMNS - 1
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* rather than $COLUMNS (the cursor can never be beyond $COLUMNS - 1).
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*
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* Terminals without xenl (eat newline glitch) ignore a newline beyond
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* the right edge of the terminal, but tmux doesn't care about this -
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* it always uses absolute only moves the cursor with a newline when
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* also sending a linefeed.
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*
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* This is irritating, most notably because it is painful to write to
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* the very bottom-right of the screen without scrolling.
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*
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* Flag the terminal here and apply some workarounds in other places to
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* do the best possible.
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*/
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if (!tty_term_flag(term, TTYC_AM))
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term->flags |= TERM_NOAM;
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else
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term->flags &= ~TERM_NOAM;
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log_debug("NOAM flag is %d", !!(term->flags & TERM_NOAM));
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/* Generate ACS table. If none is present, use nearest ASCII. */
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memset(term->acs, 0, sizeof term->acs);
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if (tty_term_has(term, TTYC_ACSC))
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acs = tty_term_string(term, TTYC_ACSC);
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else
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acs = "a#j+k+l+m+n+o-p-q-r-s-t+u+v+w+x|y<z>~.";
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for (; acs[0] != '\0' && acs[1] != '\0'; acs += 2)
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term->acs[(u_char) acs[0]][0] = acs[1];
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}
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struct tty_term *
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@ -460,7 +520,7 @@ tty_term_create(struct tty *tty, char *name, char **caps, u_int ncaps,
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struct options_array_item *a;
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union options_value *ov;
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u_int i, j;
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const char *s, *acs, *value;
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const char *s, *value;
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size_t offset, namelen;
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char *first;
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@ -557,40 +617,10 @@ tty_term_create(struct tty *tty, char *name, char **caps, u_int ncaps,
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(!tty_term_has(term, TTYC_SETRGBF) ||
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!tty_term_has(term, TTYC_SETRGBB)))
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tty_add_features(feat, "RGB", ",");
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if (tty_term_has(term, TTYC_SETRGBF) &&
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tty_term_has(term, TTYC_SETRGBB))
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term->flags |= TERM_RGBCOLOURS;
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/* Apply the features and overrides again. */
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tty_apply_features(term, *feat);
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tty_term_apply_overrides(term);
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/*
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* Terminals without am (auto right margin) wrap at at $COLUMNS - 1
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* rather than $COLUMNS (the cursor can never be beyond $COLUMNS - 1).
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*
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* Terminals without xenl (eat newline glitch) ignore a newline beyond
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* the right edge of the terminal, but tmux doesn't care about this -
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* it always uses absolute only moves the cursor with a newline when
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* also sending a linefeed.
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*
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* This is irritating, most notably because it is painful to write to
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* the very bottom-right of the screen without scrolling.
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*
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* Flag the terminal here and apply some workarounds in other places to
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* do the best possible.
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*/
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if (!tty_term_flag(term, TTYC_AM))
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term->flags |= TERM_NOAM;
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/* Generate ACS table. If none is present, use nearest ASCII. */
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memset(term->acs, 0, sizeof term->acs);
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if (tty_term_has(term, TTYC_ACSC))
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acs = tty_term_string(term, TTYC_ACSC);
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else
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acs = "a#j+k+l+m+n+o-p-q-r-s-t+u+v+w+x|y<z>~.";
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for (; acs[0] != '\0' && acs[1] != '\0'; acs += 2)
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term->acs[(u_char) acs[0]][0] = acs[1];
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if (tty_apply_features(term, *feat))
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tty_term_apply_overrides(term);
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/* Log the capabilities. */
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for (i = 0; i < tty_term_ncodes(); i++)
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