From c2bcf9c2fb977b4be7970f7dd7391150ea9c43c1 Mon Sep 17 00:00:00 2001
From: Lorn Potter <lorn.potter@gmail.com>
Date: Tue, 21 Nov 2023 14:04:20 +1000
Subject: [PATCH] wasm: fix Pen input
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This also adds the ability to distinguish between a Pen and a Touch.

Fixes: QTBUG-116989
Change-Id: Iffc5d20c9b46c1746a03c45dd12017d5dd5172a5
Reviewed-by: Morten Johan Sørvig <morten.sorvig@qt.io>
(cherry picked from commit 0367aace14b61e72433fa7cb7aab18b3def0030c)
Reviewed-by: Qt Cherry-pick Bot <cherrypick_bot@qt-project.org>
(cherry picked from commit 82a32ac7ab78d449531f3d5681c1dc943e681d00)
---
 src/plugins/platforms/wasm/qwasmevent.cpp            | 2 ++
 src/plugins/platforms/wasm/qwasmevent.h              | 1 +
 src/plugins/platforms/wasm/qwasmwindowclientarea.cpp | 2 +-
 3 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/plugins/platforms/wasm/qwasmevent.cpp b/src/plugins/platforms/wasm/qwasmevent.cpp
index 6353cce48f5..ec37c64b2da 100644
--- a/src/plugins/platforms/wasm/qwasmevent.cpp
+++ b/src/plugins/platforms/wasm/qwasmevent.cpp
@@ -177,6 +177,8 @@ PointerEvent::PointerEvent(EventType type, emscripten::val event) : MouseEvent(t
             return PointerType::Mouse;
         if (type == "touch")
             return PointerType::Touch;
+        if (type == "pen")
+            return PointerType::Pen;
         return PointerType::Other;
     })();
     width = event["width"].as<qreal>();
diff --git a/src/plugins/platforms/wasm/qwasmevent.h b/src/plugins/platforms/wasm/qwasmevent.h
index 012b1b235b8..3b2e5bfc52d 100644
--- a/src/plugins/platforms/wasm/qwasmevent.h
+++ b/src/plugins/platforms/wasm/qwasmevent.h
@@ -35,6 +35,7 @@ enum class EventType {
 enum class PointerType {
     Mouse,
     Touch,
+    Pen,
     Other,
 };
 
diff --git a/src/plugins/platforms/wasm/qwasmwindowclientarea.cpp b/src/plugins/platforms/wasm/qwasmwindowclientarea.cpp
index a0684e8ecf8..aa8cfeebb2e 100644
--- a/src/plugins/platforms/wasm/qwasmwindowclientarea.cpp
+++ b/src/plugins/platforms/wasm/qwasmwindowclientarea.cpp
@@ -99,7 +99,7 @@ bool ClientArea::deliverEvent(const PointerEvent &event)
                            pointInTargetWindowCoords.y() / m_window->window()->height());
 
     const auto tp = m_pointerIdToTouchPoints.find(event.pointerId);
-    if (tp != m_pointerIdToTouchPoints.end()) {
+    if (event.pointerType != PointerType::Pen && tp != m_pointerIdToTouchPoints.end()) {
         touchPoint = &tp.value();
     } else {
         touchPoint = &m_pointerIdToTouchPoints