Editable prompt. Not used for anything yet. More to come.

server-fn.c

@@ -1,4 +1,4 @@
-/* $Id: server-fn.c,v 1.43 2008-06-19 18:27:55 nicm Exp $ */
+/* $Id: server-fn.c,v 1.44 2008-06-19 19:40:34 nicm Exp $ */
 
 /*
  * Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
@@ -48,6 +48,35 @@ server_clear_client_message(struct client *c)
 	c->flags |= CLIENT_STATUS;
 }
 
+void
+server_set_client_prompt(
+    struct client *c, const char *msg, void (*fn)(void *, char *), void *data)
+{
+	c->prompt_string = xstrdup(msg);
+
+	c->prompt_buffer = xstrdup("");
+	c->prompt_index = 0;
+
+	c->prompt_callback = fn;
+	c->prompt_data = data;
+
+	c->flags |= CLIENT_STATUS;
+}
+
+void
+server_clear_client_prompt(struct client *c)
+{
+	if (c->prompt_string == NULL)
+		return;
+
+	xfree(c->prompt_string);
+	c->prompt_string = NULL;
+
+	xfree(c->prompt_buffer);
+
+	c->flags |= CLIENT_STATUS;
+}
+
 void
 server_write_client(
     struct client *c, enum hdrtype type, const void *buf, size_t len)

server.c

@@ -1,4 +1,4 @@
-/* $Id: server.c,v 1.69 2008-06-19 18:27:55 nicm Exp $ */
+/* $Id: server.c,v 1.70 2008-06-19 19:40:34 nicm Exp $ */
 
 /*
  * Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
@@ -357,6 +357,8 @@ server_check_redraw(struct client *c)
 	if (c->flags & CLIENT_STATUS) {
 		if (c->message_string != NULL)
 			status_message_redraw(c);
+		else if (c->prompt_string != NULL)
+			status_prompt_redraw(c);
 		else
 			status_redraw(c);
 	}
@@ -501,7 +503,7 @@ server_accept_client(int srv_fd)
 
 	c->prompt_string = NULL;
 	c->prompt_buffer = NULL;
-	c->prompt_size = 0;
+	c->prompt_index = 0;
 
 	for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
 		if (ARRAY_ITEM(&clients, i) == NULL) {
@@ -523,6 +525,11 @@ server_handle_client(struct client *c)
 	prefix = options_get_key(&c->session->options, "prefix-key");
 	while (tty_keys_next(&c->tty, &key) == 0) {
 		server_clear_client_message(c);
+		if (c->prompt_string != NULL) {
+			status_prompt_key(c, key);
+			continue;
+		}
+
 		if (c->flags & CLIENT_PREFIX) {
 			key_bindings_dispatch(key, c);
 			c->flags &= ~CLIENT_PREFIX;

status.c

@@ -1,4 +1,4 @@
-/* $Id: status.c,v 1.31 2008-06-19 18:27:55 nicm Exp $ */
+/* $Id: status.c,v 1.32 2008-06-19 19:40:35 nicm Exp $ */
 
 /*
  * Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
@@ -311,3 +311,131 @@ status_message_redraw(struct client *c)
 	/* Force cursor off. */
 	tty_write_client(c, TTY_CURSOROFF);
 }
+
+/* Draw client prompt on status line of present else on last line. */
+void
+status_prompt_redraw(struct client *c)
+{
+	struct screen_redraw_ctx	ctx;
+	size_t			        i, xx, yy, left, size, offset;
+
+	if (c->sx == 0 || c->sy == 0)
+		return;
+	offset = 0;
+
+	xx = strlen(c->prompt_string) + 1;
+	if (xx > c->sx)
+		xx = c->sx;
+	yy = c->sy - 1;		
+
+	screen_redraw_start_client(&ctx, c);
+	screen_redraw_set_attributes(&ctx, ATTR_REVERSE, 0x88);
+
+	screen_redraw_move_cursor(&ctx, 0, yy);
+	screen_redraw_write_string(&ctx, "%.*s ", (int) xx, c->prompt_string);
+
+	left = c->sx - xx;
+	if (left != 0) {
+		if (c->prompt_index < left)
+			size = strlen(c->prompt_buffer);
+		else {
+			offset = c->prompt_index - left;
+			if (c->prompt_index == strlen(c->prompt_buffer))
+				left--;
+			size = left;
+		}
+		screen_redraw_write_string(
+		    &ctx, "%.*s", (int) left, c->prompt_buffer + offset);
+
+		for (i = xx + size; i < c->sx; i++)
+			ctx.write(ctx.data, TTY_CHARACTER, ' ');
+	}
+
+	screen_redraw_stop(&ctx);
+
+	/* Force cursor on. */
+	tty_write_client(c, TTY_CURSORMOVE, yy, xx + c->prompt_index - offset);
+	tty_write_client(c, TTY_CURSORON);
+}
+
+/* Handle keys in prompt. */
+void
+status_prompt_key(struct client *c, int key)
+{
+	size_t	size;
+
+	size = strlen(c->prompt_buffer);
+	switch (key) {
+	case KEYC_LEFT:
+		if (c->prompt_index > 0) {
+			c->prompt_index--;
+			c->flags |= CLIENT_STATUS;
+		}
+		break;
+	case KEYC_RIGHT:
+		if (c->prompt_index < size) {
+			c->prompt_index++;
+			c->flags |= CLIENT_STATUS;
+		}
+		break;
+	case '\001':	/* C-a */
+		if (c->prompt_index != 0) {
+			c->prompt_index = 0;
+			c->flags |= CLIENT_STATUS;
+		}
+		break;
+	case '\005':	/* C-e */
+		if (c->prompt_index != size) {
+			c->prompt_index = size;
+			c->flags |= CLIENT_STATUS;
+		}
+		break;
+	case '\010':
+	case '\177':
+		if (c->prompt_index != 0) {
+			if (c->prompt_index == size)
+				c->prompt_buffer[--c->prompt_index] = '\0';
+			else {
+				memmove(c->prompt_buffer + c->prompt_index - 1, 
+				    c->prompt_buffer + c->prompt_index,
+				    size + 1 - c->prompt_index);
+				c->prompt_index--;
+			}
+			c->flags |= CLIENT_STATUS;
+		}
+		break;
+	case KEYC_DC:
+		if (c->prompt_index != size) {
+			memmove(c->prompt_buffer + c->prompt_index, 
+			    c->prompt_buffer + c->prompt_index + 1,
+			    size + 1 - c->prompt_index);
+			c->flags |= CLIENT_STATUS;
+		}
+		break;
+ 	case '\r':	/* enter */
+		c->prompt_callback(c->prompt_data, c->prompt_buffer);
+		server_clear_client_prompt(c);
+		break;
+	case '\e':	/* escape */
+		c->prompt_callback(c->prompt_data, NULL);
+		server_clear_client_prompt(c);
+		break;
+	default:
+		if (key < 32)
+			break;
+		c->prompt_buffer = xrealloc(c->prompt_buffer, 1, size + 2);
+
+		if (c->prompt_index == size) {
+			c->prompt_buffer[c->prompt_index++] = key;
+			c->prompt_buffer[c->prompt_index] = '\0';
+		} else {
+			memmove(c->prompt_buffer + c->prompt_index + 1, 
+			    c->prompt_buffer + c->prompt_index,
+			    size + 1 - c->prompt_index);
+			c->prompt_buffer[c->prompt_index++] = key;
+		}
+
+		c->flags |= CLIENT_STATUS;
+		break;
+	}
+}

tmux.c

@@ -1,4 +1,4 @@
-/* $Id: tmux.c,v 1.61 2008-06-18 22:21:51 nicm Exp $ */
+/* $Id: tmux.c,v 1.62 2008-06-19 19:40:35 nicm Exp $ */
 
 /*
  * Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
@@ -215,7 +215,7 @@ main(int argc, char **argv)
 	options_set_number(&global_options, "bell-action", BELL_ANY);
 	options_set_number(&global_options, "history-limit", 2000);
 	options_set_key(&global_options, "prefix-key", META);
-	options_set_string(&global_options, "status-left", "");
+	options_set_string(&global_options, "status-left", "%s", ""); /* ugh */
 	options_set_string(
 	    &global_options, "status-right", "%%H:%%M %%d-%%b-%%y");
 	options_set_number(&global_options, "status-interval", 15);

tmux.h

@@ -1,4 +1,4 @@
-/* $Id: tmux.h,v 1.152 2008-06-19 18:27:55 nicm Exp $ */
+/* $Id: tmux.h,v 1.153 2008-06-19 19:40:35 nicm Exp $ */
 
 /*
  * Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
@@ -681,7 +681,9 @@ struct client {
 
 	char		*prompt_string;
 	char		*prompt_buffer;
-	size_t		 prompt_size;
+	size_t		 prompt_index;
+	void		 (*prompt_callback)(void *, char *);
+	void		*prompt_data;
 
 	struct session	*session;
 };
@@ -957,6 +959,9 @@ int	 server_msg_dispatch(struct client *);
 /* server-fn.c */
 void	 server_set_client_message(struct client *, const char *);
 void	 server_clear_client_message(struct client *);
+void	 server_set_client_prompt(
+	     struct client *, const char *, void (*)(void *, char *), void *);
+void	 server_clear_client_prompt(struct client *);
 struct session *server_extract_session(
     	     struct msg_command_data *, char *, char **);
 void	 server_write_client(
@@ -974,8 +979,10 @@ void	 server_status_window(struct window *);
 void printflike2 server_write_message(struct client *, const char *, ...);
 
 /* status.c */
-void	 status_redraw(struct client *c);
+void	 status_redraw(struct client *);
-void	 status_message_redraw(struct client *c);
+void	 status_message_redraw(struct client *);
+void	 status_prompt_redraw(struct client *);
+void	 status_prompt_key(struct client *, int);
 
 /* resize.c */
 void	 recalculate_sizes(void);

window-copy.c

@@ -1,4 +1,4 @@
-/* $Id: window-copy.c,v 1.18 2008-06-18 22:21:51 nicm Exp $ */
+/* $Id: window-copy.c,v 1.19 2008-06-19 19:40:35 nicm Exp $ */
 
 /*
  * Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
@@ -180,7 +180,7 @@ window_copy_key(struct window *w, int key)
 		screen_clear_selection(&data->screen);
 		break;
 	case '\027':	/* C-w */
-	case '\r':	/* enter */
+ 	case '\r':	/* enter */
 		window_copy_copy_selection(w);
 		window_reset_mode(w);
 		break;