From 41cb01dc595c8de374ce58ae43afbb69db70c379 Mon Sep 17 00:00:00 2001
From: Lorn Potter <lorn.potter@gmail.com>
Date: Tue, 7 May 2024 09:06:44 +1000
Subject: [PATCH] Wasm: fix QtVirtualKeyboard crash
MIME-Version: 1.0
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Do not try to access non the existent input element when there is no touchscreen,
as we do not use it in that instance.

Fixes: QTBUG-125120
Pick-to: 6.7 6.7.1
Change-Id: Iedac1890d13b348ef12690947779347e3c2f8476
Reviewed-by: Morten Johan Sørvig <morten.sorvig@qt.io>
Reviewed-by: Piotr Wierciński <piotr.wiercinski@qt.io>
---
 src/plugins/platforms/wasm/qwasmwindow.cpp | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/src/plugins/platforms/wasm/qwasmwindow.cpp b/src/plugins/platforms/wasm/qwasmwindow.cpp
index 0513f46e5bb..99e9bb22f1b 100644
--- a/src/plugins/platforms/wasm/qwasmwindow.cpp
+++ b/src/plugins/platforms/wasm/qwasmwindow.cpp
@@ -128,9 +128,8 @@ QWasmWindow::QWasmWindow(QWindow *w, QWasmDeadKeySupport *deadKeySupport,
     });
 
    emscripten::val keyFocusWindow;
-    if (QWasmIntegration::get()->inputContext()) {
-        QWasmInputContext *wasmContext =
-            static_cast<QWasmInputContext *>(QWasmIntegration::get()->inputContext());
+    if (QWasmInputContext *wasmContext =
+       qobject_cast<QWasmInputContext *>(QWasmIntegration::get()->inputContext())) {
         // if there is an touchscreen input context,
         // use that window for key input
         keyFocusWindow = wasmContext->m_inputElement;