From 046bf23a5d7290861df1e020babfa2e1535a0389 Mon Sep 17 00:00:00 2001
From: Matthias Melcher <github@matthiasm.com>
Date: Sat, 16 Dec 2023 14:22:22 +0100
Subject: Adds mouse wheel input to Fl_Counter

---
 src/Fl_Counter.cxx | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/Fl_Counter.cxx b/src/Fl_Counter.cxx
index 49fd6b32a..852658a1d 100644
--- a/src/Fl_Counter.cxx
+++ b/src/Fl_Counter.cxx
@@ -197,6 +197,9 @@ int Fl_Counter::handle(int event) {
       redraw();
     }
     return 1;
+  case FL_MOUSEWHEEL:
+    handle_drag(clamp(increment(value(),(Fl::event_dy() - Fl::event_dx()) / 2 )));
+    return 1;
   case FL_KEYBOARD :
     switch (Fl::event_key()) {
       case FL_Left:
-- 
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