Allow specifying slideshow-delay while starting the slideshow in paused mode

Set --slideshow-delay to a negative value to achieve that. In that case, the
actual slideshow-delay will be <value> * (-1), so -D-5 sets slideshow-delay 5
seconds but starts paused.

Closes: GH-4 <http://github.com/derf/feh/issues#issue/4>

1 files changed, 5 insertions, 1 deletions

diff --git a/src/options.c b/src/options.c
index 3cc4bd9..e7524f4 100644
--- a/src/options.c
+++ b/src/options.c
@@ -49,7 +49,7 @@ void init_parse_options(int argc, char **argv)
 	memset(&opt, 0, sizeof(fehoptions));
 	opt.display = 1;
 	opt.aspect = 1;
-	opt.slideshow_delay = -1.0;
+	opt.slideshow_delay = 0.0;
 	opt.thumb_w = 60;
 	opt.thumb_h = 60;
 	opt.thumb_redraw = 10;
@@ -597,6 +597,10 @@ static void feh_parse_option_array(int argc, char **argv)
 			break;
 		case 'D':
 			opt.slideshow_delay = atof(optarg);
+			if (opt.slideshow_delay < 0.0) {
+				opt.slideshow_delay *= (-1);
+				opt.paused = 1;
+			}
 			break;
 		case 'R':
 			opt.reload = atoi(optarg);