From 35a6670868be9530da19fa87f2f47d2e63269079 Mon Sep 17 00:00:00 2001
From: scorpion-26 <58082714+scorpion-26@users.noreply.github.com>
Date: Wed, 22 Feb 2023 17:20:30 +0100
Subject: [PATCH] Fix issue with audio slider

Due to the fact, that we needed to manually propagate hover events from
the slider, two hover events are sent when coming from the side of the
slider. This we need to await BOTH close events until we can call the
leave function.
---
 src/Widget.cpp | 12 ++++++++++--
 src/Widget.h   |  3 +++
 2 files changed, 13 insertions(+), 2 deletions(-)

diff --git a/src/Widget.cpp b/src/Widget.cpp
index 9eceb21..0009b49 100644
--- a/src/Widget.cpp
+++ b/src/Widget.cpp
@@ -204,15 +204,23 @@ void EventBox::Create()
     auto enter = [](GtkWidget*, GdkEventCrossing*, gpointer data) -> gboolean
     {
         EventBox* box = (EventBox*)data;
-        if (box->m_HoverFn)
+        if (box->m_HoverFn && box->m_DiffHoverEvents <= 0)
+        {
             box->m_HoverFn(*box, true);
+            box->m_DiffHoverEvents = 0;
+        }
+        box->m_DiffHoverEvents++;
         return false;
     };
     auto leave = [](GtkWidget*, GdkEventCrossing*, void* data) -> gboolean
     {
         EventBox* box = (EventBox*)data;
-        if (box->m_HoverFn)
+        box->m_DiffHoverEvents--;
+        if (box->m_HoverFn && box->m_DiffHoverEvents <= 0)
+        {
             box->m_HoverFn(*box, false);
+            box->m_DiffHoverEvents = 0;
+        }
         return false;
     };
     // I am so done with the GTK docs. The docs clearly say GdkEventScroll and not GdkEventScroll*, but GdkEventScroll* is passed
diff --git a/src/Widget.h b/src/Widget.h
index b09c8d4..03b1094 100644
--- a/src/Widget.h
+++ b/src/Widget.h
@@ -205,6 +205,9 @@ public:
     virtual void Create() override;
 
 private:
+    // If two hover events are sent, it needs also two close events for a close.
+    // Somehow not doing that causes an issue.
+    int32_t m_DiffHoverEvents = 0;
     std::function<void(EventBox&, bool)> m_HoverFn;
     std::function<void(EventBox&, ScrollDirection)> m_ScrollFn;
 };