Enable wheel scrolling in GUI list boxes

dpogue · Jan 26, 2025 · e6dce73 · e6dce73
1 parent a3cd674
commit e6dce73
Show file tree

Hide file tree

Showing 2 changed files with 9 additions and 0 deletions.
diff --git a/Sources/Plasma/FeatureLib/pfGameGUIMgr/pfGUIListBoxMod.cpp b/Sources/Plasma/FeatureLib/pfGameGUIMgr/pfGUIListBoxMod.cpp
@@ -775,6 +775,14 @@ void    pfGUIListBoxMod::HandleMouseDblClick( hsPoint3 &mousePt, uint8_t modifie
     }
 }
 
+//// HandleMouseWheel /////////////////////////////////////////////////////////
+
+void pfGUIListBoxMod::HandleMouseWheel(hsPoint3& mousePt, uint8_t modifiers)
+{
+    int32_t delta = int32_t(mousePt.fZ / 120.f);
+    SetScrollPos(GetScrollPos() + delta);
+}
+
 //// IGetItemFromPoint ///////////////////////////////////////////////////////
 
 int32_t   pfGUIListBoxMod::IGetItemFromPoint(const hsPoint3 &mousePt)

diff --git a/Sources/Plasma/FeatureLib/pfGameGUIMgr/pfGUIListBoxMod.h b/Sources/Plasma/FeatureLib/pfGameGUIMgr/pfGUIListBoxMod.h
@@ -151,6 +151,7 @@ class pfGUIListBoxMod : public pfGUIControlMod
         void    HandleMouseDrag(hsPoint3 &mousePt, uint8_t modifiers) override;
         void    HandleMouseHover(hsPoint3 &mousePt, uint8_t modifiers) override;
         void    HandleMouseDblClick(hsPoint3 &mousePt, uint8_t modifiers) override;
+        void    HandleMouseWheel(hsPoint3 &mousePt, uint8_t modifiers) override;
 
         bool    HandleKeyPress(wchar_t key, uint8_t modifiers) override;
         bool    HandleKeyEvent(pfGameGUIMgr::EventType event, plKeyDef key, uint8_t modifiers) override;