From 52243841a73a34990859b3c01161b78b9419041d Mon Sep 17 00:00:00 2001
From: Benjamin Franzke <benjaminfranzke@googlemail.com>
Date: Tue, 20 Aug 2013 19:27:20 +0200
Subject: Support toggle in power command

First retrieves power status, and sets the inverse afterwards.
---
 src/pjctl.c | 34 +++++++++++++++++++++++++---------
 1 file changed, 25 insertions(+), 9 deletions(-)

diff --git a/src/pjctl.c b/src/pjctl.c
index d93f791..0c5c7b1 100644
--- a/src/pjctl.c
+++ b/src/pjctl.c
@@ -60,6 +60,7 @@ struct queue_command {
 	void (*response_func)(struct pjctl *pjctl, struct queue_command *cmd,
 			      char *op, char *param);
 	char *prefix;
+	int toggle;
 	struct queue_command *prev, *next;
 };
 
@@ -318,28 +319,39 @@ read_cb(struct pjctl *pjctl)
 	return 0;
 }
 
+static int
+power(struct pjctl *pjctl, char **argv, int argc);
+
 static void
 power_response(struct pjctl *pjctl, struct queue_command *cmd,
 	       char *op, char *param)
 {
 	int ret;
+	char *params[2][2] = {
+		{ "power", "off" },
+		{ "power", "on" }
+	};
 
 	fputs(cmd->prefix, stdout);
 	free(cmd->prefix);
 
 	ret = handle_pjlink_error(param);
 
-	if (ret == 1)
+	if (ret == 1) {
 		printf("OK\n");
-	else if (ret == 0)
+	} else if (ret == 0) {
 		printf("%s\n", param[0] == '1' ? "on" : "off" );
+
+		if (cmd->toggle)
+			power(pjctl, param[0] == '1' ? params[0]:params[1], 2);
+	}
 }
 
 static int
 power(struct pjctl *pjctl, char **argv, int argc)
 {
 	struct queue_command *cmd;
-	int on;
+	char code;
 
 	cmd = calloc(1, sizeof *cmd);
 	if (!cmd)
@@ -349,18 +361,22 @@ power(struct pjctl *pjctl, char **argv, int argc)
 	}
 
 	if (strcmp(argv[1], "on") == 0)
-		on = 1;
+		code = '1';
 	else if (strcmp(argv[1], "off") == 0)
-		on = 0;
-	else {
+		code = '0';
+	else if (strcmp(argv[1], "toggle") == 0) {
+		code = '?';
+		cmd->toggle = 1;
+	} else {
 		fprintf(stderr, "invalid power parameter\n");
 		return -1;
 	}
 
-	if (asprintf(&cmd->command, "%%1POWR %c\r", on ? '1' : '0') < 0)
+	if (asprintf(&cmd->command, "%%1POWR %c\r", code) < 0)
 		return -1;
 	cmd->response_func = power_response;
-	if (asprintf(&cmd->prefix, "power %s: ", argv[1]) < 0)
+	if (asprintf(&cmd->prefix, "power %s: ",
+		     cmd->toggle ? "status" : argv[1]) < 0)
 		return -1;
 
 	insert_at_head(&pjctl->queue, cmd);
@@ -743,7 +759,7 @@ static struct pjctl_command {
 	int (*func)(struct pjctl *pjctl, char **argv, int argc);
 	char *help;
 } commands[] = {
-	{ "power", power, "<on|off>" },
+	{ "power", power, "<on|off|toggle>" },
 	{ "source", source, "<rgb|video|digital|storage|net>[1-9]" },
 	{ "mute", avmute, "<video|audio|av> <on|off>" },
 	{ "status", status, ""},
-- 
cgit