chore: baseline usable version

libs/qwindowkit/src/core/qwkglobal.cpp

@@ -0,0 +1,48 @@
+// Copyright (C) 2023-2024 Stdware Collections (https://www.github.com/stdware)
+// Copyright (C) 2021-2023 wangwenx190 (Yuhang Zhao)
+// SPDX-License-Identifier: Apache-2.0
+
+#include "qwkglobal_p.h"
+
+#include <QtCore/QCoreApplication>
+
+#include <QtCore/private/qobject_p.h>
+
+namespace QWK {
+
+    bool forwardObjectEventFilters(QObject *currentFilter, QObject *receiver, QEvent *event) {
+        // https://github.com/qt/qtbase/blob/e26a87f1ecc40bc8c6aa5b889fce67410a57a702/src/corelib/kernel/qcoreapplication.cpp#L1244
+        // Send the event through the rest event filters
+        auto d = QObjectPrivate::get(receiver);
+        bool findCurrent = false;
+        if (receiver != QCoreApplication::instance() && d->extraData) {
+            for (qsizetype i = 0; i < d->extraData->eventFilters.size(); ++i) {
+                QObject *obj = d->extraData->eventFilters.at(i);
+                if (!findCurrent) {
+                    if (obj == currentFilter) {
+                        findCurrent = true; // Will start to filter from the next one
+                    }
+                    continue;
+                }
+
+                if (!obj)
+                    continue;
+#if QT_VERSION >= QT_VERSION_CHECK(5, 15, 0)
+                if (QObjectPrivate::get(obj)->threadData.loadRelaxed() !=
+                    d->threadData.loadRelaxed())
+#else
+                if (QObjectPrivate::get(obj)->threadData != d->threadData)
+#endif
+                {
+                    qWarning("QCoreApplication: Object event filter cannot be in a different "
+                             "thread.");
+                    continue;
+                }
+                if (obj->eventFilter(receiver, event))
+                    return true;
+            }
+        }
+        return false;
+    }
+
+}