1 files changed, 13 insertions, 0 deletions
diff --git a/libs/input/Input.cpp b/libs/input/Input.cpp
index c1274110d3..bd5b67b1d0 100644
--- a/libs/input/Input.cpp
+++ b/libs/input/Input.cpp
@@ -217,6 +217,19 @@ bool isStylusToolType(ToolType toolType) {
     return toolType == ToolType::STYLUS || toolType == ToolType::ERASER;
 }
 
+bool isStylusEvent(uint32_t source, const std::vector<PointerProperties>& properties) {
+    if (!isFromSource(source, AINPUT_SOURCE_STYLUS)) {
+        return false;
+    }
+    // Need at least one stylus pointer for this event to be considered a stylus event
+    for (const PointerProperties& pointerProperties : properties) {
+        if (isStylusToolType(pointerProperties.toolType)) {
+            return true;
+        }
+    }
+    return false;
+}
+
 VerifiedKeyEvent verifiedKeyEventFromKeyEvent(const KeyEvent& event) {
     return {{VerifiedInputEvent::Type::KEY, event.getDeviceId(), event.getEventTime(),
              event.getSource(), event.getDisplayId()},