From 2c2af1e27223623dd6cdcc4b8834febc2acba9dc Mon Sep 17 00:00:00 2001
From: manongjohn <19245851+manongjohn@users.noreply.github.com>
Date: Tue, 10 Oct 2023 20:43:50 -0400
Subject: [PATCH] Fix potential pen-drag actions when tapping

---
 toonz/sources/toonz/sceneviewerevents.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/toonz/sources/toonz/sceneviewerevents.cpp b/toonz/sources/toonz/sceneviewerevents.cpp
index 20e97f91b..bfecac5dc 100644
--- a/toonz/sources/toonz/sceneviewerevents.cpp
+++ b/toonz/sources/toonz/sceneviewerevents.cpp
@@ -400,6 +400,12 @@ void SceneViewer::tabletEvent(QTabletEvent *e) {
         m_tabletState       = Released;
         mouseEvent.m_button = Qt::LeftButton;
         onRelease(mouseEvent);
+      } else if (m_tabletState == StartStroke) {
+        // Single tap of stylus still records TableMoves before TabletRelease.
+        // Skip the 1st TabletMove to give time for TabletRelease to show up
+        // This way we don't try to do a LeftButtonDrag operation (i.e. normal
+        // fill) too soon.
+        m_tabletState = OnStroke;
       } else {
         m_tabletMove = true;
         onMove(mouseEvent);  // m_tabletState is set to OnStrole here