From ad60a2c952694919ed3985855ef5a00939a937b8 Mon Sep 17 00:00:00 2001
From: Nicholas Marriott <nicm@openbsd.org>
Date: Sat, 2 Jul 2011 21:05:44 +0000
Subject: Allow the initial context on prompts to be set with the new -I option
 to command-prompt. From Tiago Cunha.

---
 cmd-command-prompt.c | 60 +++++++++++++++++++++++++++++++++++++++++-----------
 1 file changed, 48 insertions(+), 12 deletions(-)

(limited to 'cmd-command-prompt.c')

diff --git a/cmd-command-prompt.c b/cmd-command-prompt.c
index 52ee747f..48a11916 100644
--- a/cmd-command-prompt.c
+++ b/cmd-command-prompt.c
@@ -20,6 +20,7 @@
 
 #include <ctype.h>
 #include <string.h>
+#include <time.h>
 
 #include "tmux.h"
 
@@ -36,8 +37,8 @@ void	cmd_command_prompt_free(void *);
 
 const struct cmd_entry cmd_command_prompt_entry = {
 	"command-prompt", NULL,
-	"p:t:", 0, 1,
-	CMD_TARGET_CLIENT_USAGE " [-p prompts] [template]",
+	"I:p:t:", 0, 1,
+	"[-I inputs] [-p prompts] " CMD_TARGET_CLIENT_USAGE " [template]",
 	0,
 	cmd_command_prompt_key_binding,
 	NULL,
@@ -46,6 +47,8 @@ const struct cmd_entry cmd_command_prompt_entry = {
 
 struct cmd_command_prompt_cdata {
 	struct client	*c;
+	char		*inputs;
+	char		*next_input;
 	char		*next_prompt;
 	char		*prompts;
 	char		*template;
@@ -79,9 +82,10 @@ int
 cmd_command_prompt_exec(struct cmd *self, struct cmd_ctx *ctx)
 {
 	struct args			*args = self->args;
-	const char			*prompts;
+	const char			*inputs, *prompts;
 	struct cmd_command_prompt_cdata	*cdata;
 	struct client			*c;
+	char				*input = NULL;
 	char				*prompt, *prompt_replaced, *ptr;
 	size_t				 n;
 
@@ -94,6 +98,8 @@ cmd_command_prompt_exec(struct cmd *self, struct cmd_ctx *ctx)
 	cdata = xmalloc(sizeof *cdata);
 	cdata->c = c;
 	cdata->idx = 1;
+	cdata->inputs = NULL;
+	cdata->next_input = NULL;
 	cdata->next_prompt = NULL;
 	cdata->prompts = NULL;
 	cdata->template = NULL;
@@ -103,8 +109,7 @@ cmd_command_prompt_exec(struct cmd *self, struct cmd_ctx *ctx)
 	else
 		cdata->template = xstrdup("%1");
 
-	prompts = args_get(args, 'p');
-	if (prompts != NULL)
+	if ((prompts = args_get(args, 'p')) != NULL)
 		cdata->prompts = xstrdup(prompts);
 	else if (args->argc != 0) {
 		n = strcspn(cdata->template, " ,");
@@ -112,6 +117,7 @@ cmd_command_prompt_exec(struct cmd *self, struct cmd_ctx *ctx)
 	} else
 		cdata->prompts = xstrdup(":");
 
+	/* Get first prompt. */
 	cdata->next_prompt = cdata->prompts;
 	ptr = strsep(&cdata->next_prompt, ",");
 	if (prompts == NULL)
@@ -122,8 +128,22 @@ cmd_command_prompt_exec(struct cmd *self, struct cmd_ctx *ctx)
 		xasprintf(&prompt, "%s ", prompt_replaced);
 		xfree(prompt_replaced);
 	}
-	status_prompt_set(c, prompt, cmd_command_prompt_callback,
+
+	/* Get initial prompt input. */
+	if ((inputs = args_get(args, 'I')) != NULL) {
+		cdata->inputs = xstrdup(inputs);
+		cdata->next_input = cdata->inputs;
+		ptr = strsep(&cdata->next_input, ",");
+
+		input = status_replace(c, NULL, NULL, NULL, ptr, time(NULL),
+		    0);
+	}
+
+	status_prompt_set(c, prompt, input, cmd_command_prompt_callback,
 	    cmd_command_prompt_free, cdata, 0);
+
+	if (input != NULL)
+		xfree(input);
 	xfree(prompt);
 
 	return (0);
@@ -136,29 +156,43 @@ cmd_command_prompt_callback(void *data, const char *s)
 	struct client			*c = cdata->c;
 	struct cmd_list			*cmdlist;
 	struct cmd_ctx			 ctx;
-	char				*cause, *newtempl, *prompt, *ptr;
-	char				*prompt_replaced;
+	char				*cause, *new_template, *prompt;
+	char				*prompt_replaced, *ptr, *input = NULL;
 
 	if (s == NULL)
 		return (0);
 
-	newtempl = cmd_template_replace(cdata->template, s, cdata->idx);
+	new_template = cmd_template_replace(cdata->template, s, cdata->idx);
 	xfree(cdata->template);
-	cdata->template = newtempl;
+	cdata->template = new_template;
 
+	/*
+	 * Check if there are more prompts; if so, get its respective input
+	 * and update the prompt data.
+	 */
 	if ((ptr = strsep(&cdata->next_prompt, ",")) != NULL) {
 		prompt_replaced = status_replace(c, NULL, NULL, NULL, ptr,
 		    time(NULL), 0);
 		xasprintf(&prompt, "%s ", prompt_replaced);
-		status_prompt_update(c, prompt);
 
+		/* Find next input and expand special sequences. */
+		if ((ptr = strsep(&cdata->next_input, ",")) != NULL) {
+			input = status_replace(c, NULL, NULL, NULL, ptr,
+			    time(NULL), 0);
+		}
+
+		status_prompt_update(c, prompt, input);
+
+		if (input != NULL)
+			xfree(input);
 		xfree(prompt_replaced);
 		xfree(prompt);
+
 		cdata->idx++;
 		return (1);
 	}
 
-	if (cmd_string_parse(newtempl, &cmdlist, &cause) != 0) {
+	if (cmd_string_parse(new_template, &cmdlist, &cause) != 0) {
 		if (cause != NULL) {
 			*cause = toupper((u_char) *cause);
 			status_message_set(c, "%s", cause);
@@ -189,6 +223,8 @@ cmd_command_prompt_free(void *data)
 {
 	struct cmd_command_prompt_cdata	*cdata = data;
 
+	if (cdata->inputs != NULL)
+		xfree(cdata->inputs);
 	if (cdata->prompts != NULL)
 		xfree(cdata->prompts);
 	if (cdata->template != NULL)
-- 
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