1 files changed, 48 insertions, 0 deletions
diff --git a/src/plugins/platforms/wasm/qwasminputcontext.h b/src/plugins/platforms/wasm/qwasminputcontext.h
new file mode 100644
index 0000000000..10dd1a0950
--- /dev/null
+++ b/src/plugins/platforms/wasm/qwasminputcontext.h
@@ -0,0 +1,48 @@
+// Copyright (C) 2019 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
+
+#ifndef QWASMINPUTCONTEXT_H
+#define QWASMINPUTCONTEXT_H
+
+
+#include <qpa/qplatforminputcontext.h>
+#include <QtCore/qpointer.h>
+#include <private/qstdweb_p.h>
+#include <emscripten/bind.h>
+#include <emscripten/html5.h>
+#include <emscripten/emscripten.h>
+
+QT_BEGIN_NAMESPACE
+
+class QWasmInputContext : public QPlatformInputContext
+{
+    Q_DISABLE_COPY(QWasmInputContext)
+    Q_OBJECT
+public:
+    explicit QWasmInputContext();
+    ~QWasmInputContext() override;
+
+    void update(Qt::InputMethodQueries) override;
+
+    void showInputPanel() override;
+    void hideInputPanel() override;
+    bool isValid() const override { return true; }
+
+    void focusWindowChanged(QWindow *focusWindow);
+    void inputStringChanged(QString &, int eventType, QWasmInputContext *context);
+    emscripten::val m_inputElement = emscripten::val::null();
+
+private:
+    emscripten::val inputHandlerElementForFocusedWindow();
+
+    bool m_inputPanelVisible = false;
+
+    QPointer<QWindow> m_focusWindow;
+    std::unique_ptr<qstdweb::EventCallback> m_blurEventHandler;
+    std::unique_ptr<qstdweb::EventCallback> m_inputEventHandler;
+    bool inputPanelIsOpen = false;
+};
+
+QT_END_NAMESPACE
+
+#endif // QWASMINPUTCONTEXT_H