From 99e9a4c7864c188857fe57b411312ee669f16b54 Mon Sep 17 00:00:00 2001
From: nicm <nicm>
Date: Wed, 16 Dec 2015 22:05:35 +0000
Subject: [PATCH] send-keys -R should reset the input parser to ground state
 (so it can be used to escape from, for example, printf '\033]2;').

---
 cmd-send-keys.c |  2 +-
 input.c         | 44 +++++++++++++++++++++++---------------------
 tmux.h          | 19 +++++++++++++------
 3 files changed, 37 insertions(+), 28 deletions(-)

diff --git a/cmd-send-keys.c b/cmd-send-keys.c
index 377453b0..7b0b952c 100644
--- a/cmd-send-keys.c
+++ b/cmd-send-keys.c
@@ -86,7 +86,7 @@ cmd_send_keys_exec(struct cmd *self, struct cmd_q *cmdq)
 	}
 
 	if (args_has(args, 'R'))
-		input_reset(wp);
+		input_reset(wp, 1);
 
 	for (i = 0; i < args->argc; i++) {
 		literal = args_has(args, 'l');
diff --git a/input.c b/input.c
index d8e80afb..ed1ebffc 100644
--- a/input.c
+++ b/input.c
@@ -762,24 +762,12 @@ input_init(struct window_pane *wp)
 
 	ictx = wp->ictx = xcalloc(1, sizeof *ictx);
 
-	input_reset_cell(ictx);
-
-	*ictx->interm_buf = '\0';
-	ictx->interm_len = 0;
-
-	*ictx->param_buf = '\0';
-	ictx->param_len = 0;
-
 	ictx->input_space = INPUT_BUF_START;
 	ictx->input_buf = xmalloc(INPUT_BUF_START);
 
-	*ictx->input_buf = '\0';
-	ictx->input_len = 0;
-
-	ictx->state = &input_state_ground;
-	ictx->flags = 0;
-
 	ictx->since_ground = evbuffer_new();
+
+	input_reset(wp, 0);
 }
 
 /* Destroy input parser. */
@@ -797,18 +785,32 @@ input_free(struct window_pane *wp)
 
 /* Reset input state and clear screen. */
 void
-input_reset(struct window_pane *wp)
+input_reset(struct window_pane *wp, int clear)
 {
 	struct input_ctx	*ictx = wp->ictx;
 
 	input_reset_cell(ictx);
 
-	if (wp->mode == NULL)
-		screen_write_start(&ictx->ctx, wp, &wp->base);
-	else
-		screen_write_start(&ictx->ctx, NULL, &wp->base);
-	screen_write_reset(&ictx->ctx);
-	screen_write_stop(&ictx->ctx);
+	if (clear) {
+		if (wp->mode == NULL)
+			screen_write_start(&ictx->ctx, wp, &wp->base);
+		else
+			screen_write_start(&ictx->ctx, NULL, &wp->base);
+		screen_write_reset(&ictx->ctx);
+		screen_write_stop(&ictx->ctx);
+	}
+
+	*ictx->interm_buf = '\0';
+	ictx->interm_len = 0;
+
+	*ictx->param_buf = '\0';
+	ictx->param_len = 0;
+
+	*ictx->input_buf = '\0';
+	ictx->input_len = 0;
+
+	ictx->state = &input_state_ground;
+	ictx->flags = 0;
 }
 
 /* Return pending data. */
diff --git a/tmux.h b/tmux.h
index 2b1b29b0..194d01d8 100644
--- a/tmux.h
+++ b/tmux.h
@@ -1379,6 +1379,7 @@ struct cmd_q {
 	struct cmd		*cmd;
 	struct cmd_q		*parent;
 
+	struct cmd_find_state	 current;
 	struct cmd_state	 state;
 
 	time_t			 time;
@@ -1576,6 +1577,7 @@ void		 format_defaults_paste_buffer(struct format_tree *,
 
 /* hooks.c */
 struct hook;
+struct hooks 	*hooks_get(struct session *);
 struct hooks	*hooks_create(struct hooks *);
 void		 hooks_free(struct hooks *);
 struct hook	*hooks_first(struct hooks *);
@@ -1584,10 +1586,10 @@ void		 hooks_add(struct hooks *, const char *, struct cmd_list *);
 void		 hooks_copy(struct hooks *, struct hooks *);
 void		 hooks_remove(struct hooks *, const char *);
 struct hook	*hooks_find(struct hooks *, const char *);
-int printflike(3, 4) hooks_run(struct hooks *, struct client *, const char *,
-		    ...);
-int printflike(3, 4) hooks_wait(struct hooks *, struct cmd_q *, const char *,
-		    ...);
+int printflike(4, 5) hooks_run(struct hooks *, struct client *,
+		    struct cmd_find_state *, const char *, ...);
+int printflike(4, 5) hooks_wait(struct hooks *, struct cmd_q *,
+		    struct cmd_find_state *, const char *, ...);
 
 /* mode-key.c */
 extern const struct mode_key_table mode_key_tables[];
@@ -1776,6 +1778,11 @@ int		 cmd_find_valid_state(struct cmd_find_state *);
 void		 cmd_find_copy_state(struct cmd_find_state *,
 		     struct cmd_find_state *);
 void		 cmd_find_log_state(const char *, struct cmd_find_state *);
+int		 cmd_find_from_session(struct cmd_find_state *,
+		     struct session *);
+int		 cmd_find_from_window(struct cmd_find_state *, struct window *);
+int		 cmd_find_from_pane(struct cmd_find_state *,
+		     struct window_pane *);
 
 /* cmd.c */
 int		 cmd_pack_argv(int, char **, char *, size_t);
@@ -1896,7 +1903,7 @@ void	 server_kill_window(struct window *);
 int	 server_link_window(struct session *,
 	     struct winlink *, struct session *, int, int, int, char **);
 void	 server_unlink_window(struct session *, struct winlink *);
-void	 server_destroy_pane(struct window_pane *);
+void	 server_destroy_pane(struct window_pane *, int);
 void	 server_destroy_session_group(struct session *);
 void	 server_destroy_session(struct session *);
 void	 server_check_unattached(void);
@@ -1930,7 +1937,7 @@ void	 recalculate_sizes(void);
 /* input.c */
 void	 input_init(struct window_pane *);
 void	 input_free(struct window_pane *);
-void	 input_reset(struct window_pane *);
+void	 input_reset(struct window_pane *, int);
 struct evbuffer *input_pending(struct window_pane *);
 void	 input_parse(struct window_pane *);