qt 6.5.1 original

tests/manual/qtabletevent/event_compression/CMakeLists.txt

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+# Copyright (C) 2022 The Qt Company Ltd.
+# SPDX-License-Identifier: BSD-3-Clause
+
+#####################################################################
+## event_compression Binary:
+#####################################################################
+
+qt_internal_add_manual_test(event_compression
+    SOURCES
+        main.cpp
+        mousestatwidget.cpp mousestatwidget.h
+    LIBRARIES
+        Qt::Gui
+        Qt::Test
+        Qt::Widgets
+)

tests/manual/qtabletevent/event_compression/event_compression.pro

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+QT += widgets testlib
+
+SOURCES += main.cpp \
+    mousestatwidget.cpp
+HEADERS += mousestatwidget.h

tests/manual/qtabletevent/event_compression/main.cpp

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+// Copyright (C) 2016 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
+
+#include "mousestatwidget.h"
+
+#include <QApplication>
+#include <QWidget>
+#include <QVBoxLayout>
+
+int main(int argc, char **argv){
+  QApplication app(argc, argv);
+
+  QWidget main;
+  QVBoxLayout *layout = new QVBoxLayout(&main);
+  layout->addWidget(new MouseStatWidget(true));
+  layout->addWidget(new MouseStatWidget(false));
+  main.resize(800, 600);
+  main.show();
+  return app.exec();
+}

tests/manual/qtabletevent/event_compression/mousestatwidget.cpp

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+// Copyright (C) 2016 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
+
+#include "mousestatwidget.h"
+
+#include <QTabletEvent>
+#include <QPainter>
+#include <QTextOption>
+#include <QTest>
+
+MouseStatWidget::MouseStatWidget(bool acceptTabletEvent):acceptTabletEvent(acceptTabletEvent),
+    receivedMouseEventCount(0),
+    receivedMouseEventCountToPaint(0),
+    receivedTabletEventCount(0),
+    receivedTabletEventCountToPaint(0)
+{
+    startTimer(1000);
+}
+
+
+void MouseStatWidget::tabletEvent(QTabletEvent *event)
+{
+    ++receivedTabletEventCount;
+    if (acceptTabletEvent)
+        event->accept();
+    else
+        event->ignore();
+    // make sure the event loop is slow
+    QTest::qSleep(15);
+}
+
+void MouseStatWidget::mouseMoveEvent(QMouseEvent *)
+{
+    ++receivedMouseEventCount;
+}
+
+void MouseStatWidget::timerEvent(QTimerEvent *)
+{
+    receivedMouseEventCountToPaint = receivedMouseEventCount;
+    receivedTabletEventCountToPaint = receivedTabletEventCount;
+    receivedMouseEventCount = 0;
+    receivedTabletEventCount = 0;
+    update();
+}
+
+void MouseStatWidget::paintEvent(QPaintEvent *)
+{
+    QPainter painter(this);
+    painter.setPen(Qt::black);
+    painter.drawRect(rect());
+    QStringList text;
+    text << ((acceptTabletEvent) ? " - tablet events accepted - " : " - tablet events ignored - ");
+    text << QString("Number of tablet events received in the last second: %1").arg(QString::number(receivedTabletEventCountToPaint));
+    text << QString("Number of mouse events received in the last second: %1").arg(QString::number(receivedMouseEventCountToPaint));
+
+    QTextOption textOption(Qt::AlignCenter);
+    textOption.setWrapMode(QTextOption::WrapAtWordBoundaryOrAnywhere);
+    painter.drawText(rect(),
+                     text.join("\n"),
+                     textOption);
+}

tests/manual/qtabletevent/event_compression/mousestatwidget.h

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+// Copyright (C) 2016 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
+
+#ifndef MOUSESTATWIDGET_H
+#define MOUSESTATWIDGET_H
+
+#include <QWidget>
+
+class QTabletEvent;
+class QMouseEvent;
+class QTimerEvent;
+class QPaintEvent;
+
+class MouseStatWidget : public QWidget
+{
+public:
+    MouseStatWidget(bool acceptTabletEvent = true);
+protected:
+    void tabletEvent(QTabletEvent *);
+    void mouseMoveEvent(QMouseEvent *);
+    void timerEvent(QTimerEvent *);
+    void paintEvent(QPaintEvent *);
+private:
+    const bool acceptTabletEvent;
+    int receivedMouseEventCount;
+    int receivedMouseEventCountToPaint;
+    int receivedTabletEventCount;
+    int receivedTabletEventCountToPaint;
+};
+
+#endif // MOUSESTATWIDGET_H