From 4ce3fe22858ed86480cead7302afa40c7a2a40fb Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Daniel=20Ekl=C3=B6f?= <daniel@ekloef.se>
Date: Wed, 23 Jun 2021 11:21:26 +0200
Subject: [PATCH] bar/wayland: fix mouse wheel up not being emitted
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We emit mouse wheel up events when the ‘discrete’ counter is
negative. Thus, when looping, we need to loop to its *absolute* value.
---
 bar/wayland.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/bar/wayland.c b/bar/wayland.c
index 77474eb..19470fc 100644
--- a/bar/wayland.c
+++ b/bar/wayland.c
@@ -377,7 +377,9 @@ wl_pointer_axis_discrete(void *data, struct wl_pointer *wl_pointer,
         ? MOUSE_BTN_WHEEL_DOWN
         : MOUSE_BTN_WHEEL_UP;
 
-    for (int32_t i = 0; i < discrete; i++) {
+    int count = abs(discrete);
+
+    for (int32_t i = 0; i < count; i++) {
         backend->bar_on_mouse(
             backend->bar, ON_MOUSE_CLICK, btn,
             seat->pointer.x, seat->pointer.y);