tmux/Handle-OSC-7--and-put-the-result-in-a-new-format.patch

From f3dc38dcae472286c7d7c2708e4dbfe70a6c2d57 Mon Sep 17 00:00:00 2001
From: nicm <nicm>
Date: Fri, 15 Nov 2019 11:16:53 +0000
Subject: [PATCH] Handle OSC 7 (a VTE extension) and put the result in a new
 format (pane_path).

---
 format.c | 1 +
 input.c  | 7 +++++++
 screen.c | 8 ++++++++
 tmux.1   | 9 +++++----
 tmux.h   | 2 ++
 5 files changed, 23 insertions(+), 4 deletions(-)

diff --git a/format.c b/format.c
index 485a3bc..49eed46 100644
--- a/format.c
+++ b/format.c
@@ -2026,6 +2026,7 @@ format_defaults_pane(struct format_tree *ft, struct window_pane *wp)
 	format_add(ft, "pane_width", "%u", wp->sx);
 	format_add(ft, "pane_height", "%u", wp->sy);
 	format_add(ft, "pane_title", "%s", wp->base.title);
+	format_add(ft, "pane_path", "%s", wp->base.path);
 	format_add(ft, "pane_id", "%%%u", wp->id);
 	format_add(ft, "pane_active", "%d", wp == w->active);
 	format_add(ft, "pane_input_off", "%d", !!(wp->flags & PANE_INPUTOFF));
diff --git a/input.c b/input.c
index f959799..b4a534b 100644
--- a/input.c
+++ b/input.c
@@ -132,6 +132,7 @@ static void	input_set_state(struct window_pane *,
 static void	input_reset_cell(struct input_ctx *);
 
 static void	input_osc_4(struct input_ctx *, const char *);
+static void	input_osc_7(struct input_ctx *, const char *);
 static void	input_osc_10(struct input_ctx *, const char *);
 static void	input_osc_11(struct input_ctx *, const char *);
 static void	input_osc_52(struct input_ctx *, const char *);
@@ -2183,6 +2184,12 @@ input_exit_osc(struct input_ctx *ictx)
 	case 4:
 		input_osc_4(ictx, p);
 		break;
+	case 7:
+		if (utf8_isvalid(p)) {
+			screen_set_path(sctx->s, p);
+			server_status_window(ictx->wp->window);
+		}
+		break;
 	case 10:
 		input_osc_10(ictx, p);
 		break;
diff --git a/screen.c b/screen.c
index 9b67e7e..405932e 100644
--- a/screen.c
+++ b/screen.c
@@ -158,6 +158,14 @@ screen_set_title(struct screen *s, const char *title)
 	utf8_stravis(&s->title, title, VIS_OCTAL|VIS_CSTYLE|VIS_TAB|VIS_NL);
 }
 
+/* Set screen path. */
+void
+screen_set_path(struct screen *s, const char *path)
+{
+	free(s->path);
+	utf8_stravis(&s->path, path, VIS_OCTAL|VIS_CSTYLE|VIS_TAB|VIS_NL);
+}
+
 /* Push the current title onto the stack. */
 void
 screen_push_title(struct screen *s)
diff --git a/tmux.1 b/tmux.1
index 3ba7077..a5f1f8f 100644
--- a/tmux.1
+++ b/tmux.1
@@ -3895,7 +3895,7 @@ The following variables are available, where appropriate:
 .It Li "pane_current_path" Ta "" Ta "Current path if available"
 .It Li "pane_dead" Ta "" Ta "1 if pane is dead"
 .It Li "pane_dead_status" Ta "" Ta "Exit status of process in dead pane"
-.It Li "pane_format" Ta "" Ta "1 if format is for a pane (not assuming the current)"
+.It Li "pane_format" Ta "" Ta "1 if format is for a pane"
 .It Li "pane_height" Ta "" Ta "Height of pane"
 .It Li "pane_id" Ta "#D" Ta "Unique pane ID"
 .It Li "pane_in_mode" Ta "" Ta "If pane is in a mode"
@@ -3903,6 +3903,7 @@ The following variables are available, where appropriate:
 .It Li "pane_index" Ta "#P" Ta "Index of pane"
 .It Li "pane_left" Ta "" Ta "Left of pane"
 .It Li "pane_mode" Ta "" Ta "Name of pane mode, if any."
+.It Li "pane_path" Ta "#T" Ta "Path of pane (can be set by application)"
 .It Li "pane_pid" Ta "" Ta "PID of first process in pane"
 .It Li "pane_pipe" Ta "" Ta "1 if pane is being piped"
 .It Li "pane_right" Ta "" Ta "Right of pane"
@@ -3910,7 +3911,7 @@ The following variables are available, where appropriate:
 .It Li "pane_start_command" Ta "" Ta "Command pane started with"
 .It Li "pane_synchronized" Ta "" Ta "If pane is synchronized"
 .It Li "pane_tabs" Ta "" Ta "Pane tab positions"
-.It Li "pane_title" Ta "#T" Ta "Title of pane"
+.It Li "pane_title" Ta "#T" Ta "Title of pane (can be set by application)"
 .It Li "pane_top" Ta "" Ta "Top of pane"
 .It Li "pane_tty" Ta "" Ta "Pseudo terminal of pane"
 .It Li "pane_width" Ta "" Ta "Width of pane"
@@ -3924,7 +3925,7 @@ The following variables are available, where appropriate:
 .It Li "session_attached" Ta "" Ta "Number of clients session is attached to"
 .It Li "session_activity" Ta "" Ta "Time of session last activity"
 .It Li "session_created" Ta "" Ta "Time session created"
-.It Li "session_format" Ta "" Ta "1 if format is for a session (not assuming the current)"
+.It Li "session_format" Ta "" Ta "1 if format is for a session"
 .It Li "session_last_attached" Ta "" Ta "Time session last attached"
 .It Li "session_group" Ta "" Ta "Name of session group"
 .It Li "session_group_size" Ta "" Ta "Size of session group"
@@ -3945,7 +3946,7 @@ The following variables are available, where appropriate:
 .It Li "window_bigger" Ta "" Ta "1 if window is larger than client"
 .It Li "window_end_flag" Ta "" Ta "1 if window has the highest index"
 .It Li "window_flags" Ta "#F" Ta "Window flags"
-.It Li "window_format" Ta "" Ta "1 if format is for a window (not assuming the current)"
+.It Li "window_format" Ta "" Ta "1 if format is for a window"
 .It Li "window_height" Ta "" Ta "Height of window"
 .It Li "window_id" Ta "" Ta "Unique window ID"
 .It Li "window_index" Ta "#I" Ta "Index of window"
diff --git a/tmux.h b/tmux.h
index d7f3819..0998e29 100644
--- a/tmux.h
+++ b/tmux.h
@@ -699,6 +699,7 @@ struct screen_sel;
 struct screen_titles;
 struct screen {
 	char			*title;
+	char			*path;
 	struct screen_titles	*titles;
 
 	struct grid		*grid;		/* grid data */
@@ -2194,6 +2195,7 @@ void	 screen_reset_tabs(struct screen *);
 void	 screen_set_cursor_style(struct screen *, u_int);
 void	 screen_set_cursor_colour(struct screen *, const char *);
 void	 screen_set_title(struct screen *, const char *);
+void	 screen_set_path(struct screen *, const char *);
 void	 screen_push_title(struct screen *);
 void	 screen_pop_title(struct screen *);
 void	 screen_resize(struct screen *, u_int, u_int, int);
-- 
2.27.0