Separate "very visible" flag from blinking flag, it should not affect
authornicm <nicm@openbsd.org>
Tue, 5 Oct 2021 12:46:02 +0000 (12:46 +0000)
committernicm <nicm@openbsd.org>
Tue, 5 Oct 2021 12:46:02 +0000 (12:46 +0000)
DECSCUSR. GitHub issue 2891.

usr.bin/tmux/input.c
usr.bin/tmux/job.c
usr.bin/tmux/screen.c
usr.bin/tmux/tmux.h
usr.bin/tmux/tty.c

index 51d142c..8e0e89d 100644 (file)
@@ -1,4 +1,4 @@
-/* $OpenBSD: input.c,v 1.192 2021/08/14 16:26:29 nicm Exp $ */
+/* $OpenBSD: input.c,v 1.193 2021/10/05 12:46:02 nicm Exp $ */
 
 /*
  * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -1646,7 +1646,7 @@ input_csi_dispatch_rm(struct input_ctx *ictx)
                        screen_write_mode_clear(sctx, MODE_INSERT);
                        break;
                case 34:
-                       screen_write_mode_set(sctx, MODE_BLINKING);
+                       screen_write_mode_set(sctx, MODE_CURSOR_VERY_VISIBLE);
                        break;
                default:
                        log_debug("%s: unknown '%c'", __func__, ictx->ch);
@@ -1682,7 +1682,7 @@ input_csi_dispatch_rm_private(struct input_ctx *ictx)
                        screen_write_mode_clear(sctx, MODE_WRAP);
                        break;
                case 12:
-                       screen_write_mode_clear(sctx, MODE_BLINKING);
+                       screen_write_mode_clear(sctx, MODE_CURSOR_BLINKING);
                        break;
                case 25:        /* TCEM */
                        screen_write_mode_clear(sctx, MODE_CURSOR);
@@ -1734,7 +1734,7 @@ input_csi_dispatch_sm(struct input_ctx *ictx)
                        screen_write_mode_set(sctx, MODE_INSERT);
                        break;
                case 34:
-                       screen_write_mode_clear(sctx, MODE_BLINKING);
+                       screen_write_mode_clear(sctx, MODE_CURSOR_VERY_VISIBLE);
                        break;
                default:
                        log_debug("%s: unknown '%c'", __func__, ictx->ch);
@@ -1771,7 +1771,7 @@ input_csi_dispatch_sm_private(struct input_ctx *ictx)
                        screen_write_mode_set(sctx, MODE_WRAP);
                        break;
                case 12:
-                       screen_write_mode_set(sctx, MODE_BLINKING);
+                       screen_write_mode_set(sctx, MODE_CURSOR_BLINKING);
                        break;
                case 25:        /* TCEM */
                        screen_write_mode_set(sctx, MODE_CURSOR);
index df07742..314776f 100644 (file)
@@ -1,4 +1,4 @@
-/* $OpenBSD: job.c,v 1.62 2021/08/13 19:55:11 nicm Exp $ */
+/* $OpenBSD: job.c,v 1.63 2021/10/05 12:46:02 nicm Exp $ */
 
 /*
  * Copyright (c) 2009 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -339,6 +339,7 @@ job_check_died(pid_t pid, int status)
        log_debug("job died %p: %s, pid %ld", job, job->cmd, (long) job->pid);
 
        job->status = status;
+       log_debug("job %p status %d", job, job->status);
 
        if (job->state == JOB_CLOSED) {
                if (job->completecb != NULL)
index 1165756..21d9d13 100644 (file)
@@ -1,4 +1,4 @@
-/* $OpenBSD: screen.c,v 1.75 2021/09/09 06:57:48 nicm Exp $ */
+/* $OpenBSD: screen.c,v 1.76 2021/10/05 12:46:02 nicm Exp $ */
 
 /*
  * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -163,27 +163,27 @@ screen_set_cursor_style(struct screen *s, u_int style)
                break;
        case 1:
                s->cstyle = SCREEN_CURSOR_BLOCK;
-               s->mode |= MODE_BLINKING;
+               s->mode |= MODE_CURSOR_BLINKING;
                break;
        case 2:
                s->cstyle = SCREEN_CURSOR_BLOCK;
-               s->mode &= ~MODE_BLINKING;
+               s->mode &= ~MODE_CURSOR_BLINKING;
                break;
        case 3:
                s->cstyle = SCREEN_CURSOR_UNDERLINE;
-               s->mode |= MODE_BLINKING;
+               s->mode |= MODE_CURSOR_BLINKING;
                break;
        case 4:
                s->cstyle = SCREEN_CURSOR_UNDERLINE;
-               s->mode &= ~MODE_BLINKING;
+               s->mode &= ~MODE_CURSOR_BLINKING;
                break;
        case 5:
                s->cstyle = SCREEN_CURSOR_BAR;
-               s->mode |= MODE_BLINKING;
+               s->mode |= MODE_CURSOR_BLINKING;
                break;
        case 6:
                s->cstyle = SCREEN_CURSOR_BAR;
-               s->mode &= ~MODE_BLINKING;
+               s->mode &= ~MODE_CURSOR_BLINKING;
                break;
        }
 }
@@ -680,8 +680,10 @@ screen_mode_to_string(int mode)
                strlcat(tmp, "MOUSE_STANDARD,", sizeof tmp);
        if (mode & MODE_MOUSE_BUTTON)
                strlcat(tmp, "MOUSE_BUTTON,", sizeof tmp);
-       if (mode & MODE_BLINKING)
-               strlcat(tmp, "BLINKING,", sizeof tmp);
+       if (mode & MODE_CURSOR_BLINKING)
+               strlcat(tmp, "CURSOR_BLINKING,", sizeof tmp);
+       if (mode & MODE_CURSOR_VERY_VISIBLE)
+               strlcat(tmp, "CURSOR_VERY_VISIBLE,", sizeof tmp);
        if (mode & MODE_MOUSE_UTF8)
                strlcat(tmp, "UTF8,", sizeof tmp);
        if (mode & MODE_MOUSE_SGR)
index b477226..2ce80b5 100644 (file)
@@ -1,4 +1,4 @@
-/* $OpenBSD: tmux.h,v 1.1142 2021/09/10 15:03:18 nicm Exp $ */
+/* $OpenBSD: tmux.h,v 1.1143 2021/10/05 12:46:02 nicm Exp $ */
 
 /*
  * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -520,7 +520,7 @@ enum tty_code_code {
 #define MODE_WRAP 0x10
 #define MODE_MOUSE_STANDARD 0x20
 #define MODE_MOUSE_BUTTON 0x40
-#define MODE_BLINKING 0x80
+#define MODE_CURSOR_BLINKING 0x80
 #define MODE_MOUSE_UTF8 0x100
 #define MODE_MOUSE_SGR 0x200
 #define MODE_BRACKETPASTE 0x400
@@ -529,10 +529,12 @@ enum tty_code_code {
 #define MODE_ORIGIN 0x2000
 #define MODE_CRLF 0x4000
 #define MODE_KEXTENDED 0x8000
+#define MODE_CURSOR_VERY_VISIBLE 0x10000
 
 #define ALL_MODES 0xffffff
 #define ALL_MOUSE_MODES (MODE_MOUSE_STANDARD|MODE_MOUSE_BUTTON|MODE_MOUSE_ALL)
 #define MOTION_MOUSE_MODES (MODE_MOUSE_BUTTON|MODE_MOUSE_ALL)
+#define CURSOR_MODES (MODE_CURSOR|MODE_CURSOR_BLINKING|MODE_CURSOR_VERY_VISIBLE)
 
 /* A single UTF-8 character. */
 typedef u_int utf8_char;
index 8be5aad..25eabdb 100644 (file)
@@ -1,4 +1,4 @@
-/* $OpenBSD: tty.c,v 1.403 2021/08/17 11:20:13 nicm Exp $ */
+/* $OpenBSD: tty.c,v 1.404 2021/10/05 12:46:02 nicm Exp $ */
 
 /*
  * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -314,7 +314,7 @@ tty_start_tty(struct tty *tty)
        tio.c_cc[VMIN] = 1;
        tio.c_cc[VTIME] = 0;
        if (tcsetattr(c->fd, TCSANOW, &tio) == 0)
-               tcflush(c->fd, TCIOFLUSH);
+               tcflush(c->fd, TCOFLUSH);
 
        tty_putcode(tty, TTYC_SMCUP);
 
@@ -658,12 +658,83 @@ tty_force_cursor_colour(struct tty *tty, const char *ccolour)
        tty->ccolour = xstrdup(ccolour);
 }
 
+static void
+tty_update_cursor(struct tty *tty, int mode, int changed, struct screen *s)
+{
+       enum screen_cursor_style cstyle;
+
+       /* Set cursor colour if changed. */
+       if (s != NULL && strcmp(s->ccolour, tty->ccolour) != 0)
+               tty_force_cursor_colour(tty, s->ccolour);
+
+       /* If cursor is off, set as invisible. */
+       if (~mode & MODE_CURSOR) {
+               if (changed & MODE_CURSOR)
+                       tty_putcode(tty, TTYC_CIVIS);
+               return;
+       }
+
+       /* Check if blinking or very visible flag changed or style changed. */
+       if (s == NULL)
+               cstyle = tty->cstyle;
+       else
+               cstyle = s->cstyle;
+       if ((changed & CURSOR_MODES) == 0 && cstyle == tty->cstyle)
+               return;
+
+       /*
+        * Set cursor style. If an explicit style has been set with DECSCUSR,
+        * set it if supported, otherwise send cvvis for blinking styles.
+        *
+        * If no style, has been set (SCREEN_CURSOR_DEFAULT), then send cvvis
+        * if either the blinking or very visible flags are set.
+        */
+       tty_putcode(tty, TTYC_CNORM);
+       switch (cstyle) {
+       case SCREEN_CURSOR_DEFAULT:
+               if (tty_term_has(tty->term, TTYC_SE))
+                       tty_putcode(tty, TTYC_SE);
+               else
+                       tty_putcode1(tty, TTYC_SS, 0);
+               if (mode & (MODE_CURSOR_BLINKING|MODE_CURSOR_VERY_VISIBLE))
+                       tty_putcode(tty, TTYC_CVVIS);
+               break;
+       case SCREEN_CURSOR_BLOCK:
+               if (tty_term_has(tty->term, TTYC_SS)) {
+                       if (mode & MODE_CURSOR_BLINKING)
+                               tty_putcode1(tty, TTYC_SS, 1);
+                       else
+                               tty_putcode1(tty, TTYC_SS, 2);
+               } else if (mode & MODE_CURSOR_BLINKING)
+                       tty_putcode(tty, TTYC_CVVIS);
+               break;
+       case SCREEN_CURSOR_UNDERLINE:
+               if (tty_term_has(tty->term, TTYC_SS)) {
+                       if (mode & MODE_CURSOR_BLINKING)
+                               tty_putcode1(tty, TTYC_SS, 3);
+                       else
+                               tty_putcode1(tty, TTYC_SS, 4);
+               } else if (mode & MODE_CURSOR_BLINKING)
+                       tty_putcode(tty, TTYC_CVVIS);
+               break;
+       case SCREEN_CURSOR_BAR:
+               if (tty_term_has(tty->term, TTYC_SS)) {
+                       if (mode & MODE_CURSOR_BLINKING)
+                               tty_putcode1(tty, TTYC_SS, 5);
+                       else
+                               tty_putcode1(tty, TTYC_SS, 6);
+               } else if (mode & MODE_CURSOR_BLINKING)
+                       tty_putcode(tty, TTYC_CVVIS);
+               break;
+       }
+       tty->cstyle = cstyle;
+ }
+
 void
 tty_update_mode(struct tty *tty, int mode, struct screen *s)
 {
-       struct client           *c = tty->client;
-       int                      changed;
-       enum screen_cursor_style cstyle = tty->cstyle;
+       struct client   *c = tty->client;
+       int              changed;
 
        if (tty->flags & TTY_NOCURSOR)
                mode &= ~MODE_CURSOR;
@@ -676,85 +747,7 @@ tty_update_mode(struct tty *tty, int mode, struct screen *s)
                    screen_mode_to_string(mode));
        }
 
-       if (s != NULL) {
-               if (strcmp(s->ccolour, tty->ccolour) != 0)
-                       tty_force_cursor_colour(tty, s->ccolour);
-               cstyle = s->cstyle;
-       }
-       if (~mode & MODE_CURSOR) {
-               /* Cursor now off - set as invisible. */
-               if (changed & MODE_CURSOR)
-                       tty_putcode(tty, TTYC_CIVIS);
-       } else if ((changed & (MODE_CURSOR|MODE_BLINKING)) ||
-           cstyle != tty->cstyle) {
-               /*
-                * Cursor now on, blinking flag changed or style changed. Start
-                * by setting the cursor to normal.
-                */
-               tty_putcode(tty, TTYC_CNORM);
-               switch (cstyle) {
-               case SCREEN_CURSOR_DEFAULT:
-                       /*
-                        * If the old style wasn't default, then reset it to
-                        * default.
-                        */
-                       if (tty->cstyle != SCREEN_CURSOR_DEFAULT) {
-                               if (tty_term_has(tty->term, TTYC_SE))
-                                       tty_putcode(tty, TTYC_SE);
-                               else
-                                       tty_putcode1(tty, TTYC_SS, 0);
-                       }
-
-                       /* Set the cursor as very visible if necessary. */
-                       if (mode & MODE_BLINKING)
-                               tty_putcode(tty, TTYC_CVVIS);
-                       break;
-               case SCREEN_CURSOR_BLOCK:
-                       /*
-                        * Set style to either block blinking (1) or steady (2)
-                        * if supported, otherwise just check the blinking
-                        * flag.
-                        */
-                       if (tty_term_has(tty->term, TTYC_SS)) {
-                               if (mode & MODE_BLINKING)
-                                       tty_putcode1(tty, TTYC_SS, 1);
-                               else
-                                       tty_putcode1(tty, TTYC_SS, 2);
-                       } else if (mode & MODE_BLINKING)
-                               tty_putcode(tty, TTYC_CVVIS);
-                       break;
-               case SCREEN_CURSOR_UNDERLINE:
-                       /*
-                        * Set style to either underline blinking (3) or steady
-                        * (4) if supported, otherwise just check the blinking
-                        * flag.
-                        */
-                       if (tty_term_has(tty->term, TTYC_SS)) {
-                               if (mode & MODE_BLINKING)
-                                       tty_putcode1(tty, TTYC_SS, 3);
-                               else
-                                       tty_putcode1(tty, TTYC_SS, 4);
-                       } else if (mode & MODE_BLINKING)
-                               tty_putcode(tty, TTYC_CVVIS);
-                       break;
-               case SCREEN_CURSOR_BAR:
-                       /*
-                        * Set style to either bar blinking (5) or steady (6)
-                        * if supported, otherwise just check the blinking
-                        * flag.
-                        */
-                       if (tty_term_has(tty->term, TTYC_SS)) {
-                               if (mode & MODE_BLINKING)
-                                       tty_putcode1(tty, TTYC_SS, 5);
-                               else
-                                       tty_putcode1(tty, TTYC_SS, 6);
-                       } else if (mode & MODE_BLINKING)
-                               tty_putcode(tty, TTYC_CVVIS);
-                       break;
-               }
-               tty->cstyle = cstyle;
-       }
-
+       tty_update_cursor(tty, mode, changed, s);
        if ((changed & ALL_MOUSE_MODES) &&
            tty_term_has(tty->term, TTYC_KMOUS)) {
                /*