From 7c52a3cf5243b42b632fd73789d1b484e81b9b0c Mon Sep 17 00:00:00 2001
From: Chris Wilson <chris@chris-wilson.co.uk>
Date: Thu, 22 Aug 2013 15:07:48 +0100
Subject: overlay: Rudiments of config files and option parsing

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
---
 overlay/overlay.c | 40 ++++++++++++++++++++++++++++++++++------
 1 file changed, 34 insertions(+), 6 deletions(-)

(limited to 'overlay/overlay.c')

diff --git a/overlay/overlay.c b/overlay/overlay.c
index e783a6f4..ce3b6453 100644
--- a/overlay/overlay.c
+++ b/overlay/overlay.c
@@ -33,9 +33,11 @@
 #include <fcntl.h>
 #include <errno.h>
 #include <signal.h>
+#include <getopt.h>
 
 #include "overlay.h"
 #include "chart.h"
+#include "config.h"
 #include "cpu-top.h"
 #include "debugfs.h"
 #include "gem-objects.h"
@@ -710,24 +712,49 @@ static void signal_snapshot(int sig)
 
 int main(int argc, char **argv)
 {
+	static struct option long_options[] = {
+		{"config", 1, 0, 'c'},
+		{"geometry", 1, 0, 'G'},
+		{"position", 1, 0, 'P'},
+		{NULL, 0, 0, 0,}
+	};
 	struct overlay_context ctx;
-	int i = 0;
+	struct config config;
+	int index;
+	int i;
+
+	config_init(&config);
+
+	opterr = 0;
+	while ((i = getopt_long(argc, argv, "c:", long_options, &index)) != -1) {
+		switch (i) {
+		case 'c':
+			config_parse_string(&config, optarg);
+			break;
+		case 'G':
+			config_set_value(&config, "window", "geometry", optarg);
+			break;
+		case 'P':
+			config_set_value(&config, "window", "position", optarg);
+			break;
+		}
+	}
 
-	if (argc > 1) {
+	if (argc > optind) {
 		x11_overlay_stop();
 		return 0;
 	}
 
-	signal(SIGUSR1, signal_snapshot);
-
 	ctx.width = 640;
 	ctx.height = 236;
-	ctx.surface = x11_overlay_create(POS_TOP_RIGHT, &ctx.width, &ctx.height);
+	ctx.surface = x11_overlay_create(&config, &ctx.width, &ctx.height);
 	if (ctx.surface == NULL)
-		ctx.surface = x11_window_create(POS_TOP_RIGHT, &ctx.width, &ctx.height);
+		ctx.surface = x11_window_create(&config, &ctx.width, &ctx.height);
 	if (ctx.surface == NULL)
 		return ENOMEM;
 
+	signal(SIGUSR1, signal_snapshot);
+
 	debugfs_init();
 
 	init_gpu_top(&ctx, &ctx.gpu_top);
@@ -735,6 +762,7 @@ int main(int argc, char **argv)
 	init_gpu_freq(&ctx, &ctx.gpu_freq);
 	init_gem_objects(&ctx, &ctx.gem_objects);
 
+	i = 0;
 	while (1) {
 		usleep(500*1000);
 
-- 
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