From e889f417c7edd3d47a54b9464e1b6b72c3f7ae1c Mon Sep 17 00:00:00 2001
From: Harry Jeffery <harry@exec64.co.uk>
Date: Wed, 7 Aug 2019 20:21:44 +0100
Subject: imv: Improve slideshow command
---
src/imv.c | 19 ++++++++++++++-----
1 file changed, 14 insertions(+), 5 deletions(-)
(limited to 'src')
diff --git a/src/imv.c b/src/imv.c
index c1f5a3b..d0467eb 100644
--- a/src/imv.c
+++ b/src/imv.c
@@ -1601,15 +1601,24 @@ static void command_set_slideshow_duration(struct list *args, const char *argstr
(void)argstr;
struct imv *imv = data;
if (args->len == 2) {
- long int delta = strtol(args->items[1], NULL, 10);
+ const char *arg = args->items[1];
+ const char prefix = *arg;
- /* Ensure we can't go below 0 */
- if (delta < 0 && (size_t)labs(delta) > imv->slideshow.duration) {
- imv->slideshow.duration = 0;
+ int new_duration = imv->slideshow.duration;
+
+ long int arg_num = strtol(arg, NULL, 10);
+
+ if (prefix == '+' || prefix == '-') {
+ new_duration += arg_num;
} else {
- imv->slideshow.duration += delta;
+ new_duration = arg_num;
+ }
+
+ if (new_duration < 0) {
+ new_duration = 0;
}
+ imv->slideshow.duration = new_duration;
imv->need_redraw = true;
}
}
--
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