add a test for touch event propagation

1 files changed, 143 insertions, 0 deletions

diff --git a/tests/auto/qapplication/tst_qapplication.cpp b/tests/auto/qapplication/tst_qapplication.cpp
index cee3125..356768e 100644
--- a/tests/auto/qapplication/tst_qapplication.cpp
+++ b/tests/auto/qapplication/tst_qapplication.cpp
@@ -48,6 +48,7 @@
 #include "qabstracteventdispatcher.h"
 #include <QtGui>
 
+#include "private/qapplication_p.h"
 #include "private/qstylesheetstyle_p.h"
 #ifdef Q_OS_WINCE
 #include <windows.h>
@@ -117,6 +118,8 @@ private slots:
 
     void windowsCommandLine_data();
     void windowsCommandLine();
+
+    void touchEventPropagation();
 };
 
 class MyInputContext : public QInputContext
@@ -1773,6 +1776,146 @@ void tst_QApplication::windowsCommandLine()
 #endif
 }
 
+class TouchEventPropagationTestWidget : public QWidget
+{
+    Q_OBJECT
+
+public:
+    bool seenTouchEvent, acceptTouchEvent, seenMouseEvent, acceptMouseEvent;
+
+    TouchEventPropagationTestWidget(QWidget *parent = 0)
+        : QWidget(parent), seenTouchEvent(false), acceptTouchEvent(false), seenMouseEvent(false), acceptMouseEvent(false)
+    { }
+
+    void reset()
+    {
+        seenTouchEvent = acceptTouchEvent = seenMouseEvent = acceptMouseEvent = false;
+    }
+
+    bool event(QEvent *event)
+    {
+        switch (event->type()) {
+        case QEvent::MouseButtonPress:
+        case QEvent::MouseMove:
+        case QEvent::MouseButtonRelease:
+            // qDebug() << objectName() << "seenMouseEvent = true";
+            seenMouseEvent = true;
+            event->setAccepted(acceptMouseEvent);
+            break;
+        case QEvent::TouchBegin:
+        case QEvent::TouchUpdate:
+        case QEvent::TouchEnd:
+            // qDebug() << objectName() << "seenTouchEvent = true";
+            seenTouchEvent = true;
+            event->setAccepted(acceptTouchEvent);
+            break;
+        default:
+            return QWidget::event(event);
+        }
+        return true;
+    }
+};
+
+void tst_QApplication::touchEventPropagation()
+{
+    int argc = 1;
+    QApplication app(argc, &argv0, QApplication::GuiServer);
+    QTouchEvent::TouchPoint touchPoint(0);
+    QTouchEvent touchEvent(QEvent::TouchBegin, Qt::NoModifier, QList<QTouchEvent::TouchPoint *>() << (&touchPoint));
+
+    {
+        // touch event behavior on a window
+        TouchEventPropagationTestWidget window;
+        window.setObjectName("1. window");
+
+        QApplicationPrivate::sendTouchEvent(&window, &touchEvent);
+        QVERIFY(!window.seenTouchEvent);
+        QVERIFY(window.seenMouseEvent);
+
+        window.reset();
+        window.setAttribute(Qt::WA_AcceptsTouchEvents);
+        QApplicationPrivate::sendTouchEvent(&window, &touchEvent);
+        QVERIFY(window.seenTouchEvent);
+        QVERIFY(window.seenMouseEvent);
+
+        window.reset();
+        window.acceptTouchEvent = true;
+        QApplicationPrivate::sendTouchEvent(&window, &touchEvent);
+        QVERIFY(window.seenTouchEvent);
+        QVERIFY(!window.seenMouseEvent);
+    }
+
+    {
+        // touch event behavior on a window with a child widget
+        TouchEventPropagationTestWidget window;
+        window.setObjectName("2. window");
+        TouchEventPropagationTestWidget widget(&window);
+        widget.setObjectName("2. widget");
+
+        QApplicationPrivate::sendTouchEvent(&widget, &touchEvent);
+        QVERIFY(!widget.seenTouchEvent);
+        QVERIFY(widget.seenMouseEvent);
+        QVERIFY(!window.seenTouchEvent);
+        QVERIFY(window.seenMouseEvent);
+
+        window.reset();
+        widget.reset();
+        widget.setAttribute(Qt::WA_AcceptsTouchEvents);
+        QApplicationPrivate::sendTouchEvent(&widget, &touchEvent);
+        QVERIFY(widget.seenTouchEvent);
+        QVERIFY(widget.seenMouseEvent);
+        QVERIFY(!window.seenTouchEvent);
+        QVERIFY(window.seenMouseEvent);
+
+        window.reset();
+        widget.reset();
+        widget.acceptMouseEvent = true;
+        QApplicationPrivate::sendTouchEvent(&widget, &touchEvent);
+        QVERIFY(widget.seenTouchEvent);
+        QVERIFY(widget.seenMouseEvent);
+        QVERIFY(!window.seenTouchEvent);
+        QVERIFY(!window.seenMouseEvent);
+
+        window.reset();
+        widget.reset();
+        widget.acceptTouchEvent = true;
+        QApplicationPrivate::sendTouchEvent(&widget, &touchEvent);
+        QVERIFY(widget.seenTouchEvent);
+        QVERIFY(!widget.seenMouseEvent);
+        QVERIFY(!window.seenTouchEvent);
+        QVERIFY(!window.seenMouseEvent);
+
+        window.reset();
+        widget.reset();
+        widget.setAttribute(Qt::WA_AcceptsTouchEvents, false);
+        window.setAttribute(Qt::WA_AcceptsTouchEvents);
+        QApplicationPrivate::sendTouchEvent(&widget, &touchEvent);
+        QVERIFY(!widget.seenTouchEvent);
+        QVERIFY(widget.seenMouseEvent);
+        QVERIFY(window.seenTouchEvent);
+        QVERIFY(window.seenMouseEvent);
+
+        window.reset();
+        widget.reset();
+        window.acceptTouchEvent = true;
+        QApplicationPrivate::sendTouchEvent(&widget, &touchEvent);
+        QVERIFY(!widget.seenTouchEvent);
+        QVERIFY(!widget.seenMouseEvent);
+        QVERIFY(window.seenTouchEvent);
+        QVERIFY(!window.seenMouseEvent);
+
+        window.reset();
+        widget.reset();
+        widget.acceptMouseEvent = true; // doesn't matter, touch events are propagated first
+        window.acceptTouchEvent = true;
+        QApplicationPrivate::sendTouchEvent(&widget, &touchEvent);
+        QVERIFY(!widget.seenTouchEvent);
+        QVERIFY(!widget.seenMouseEvent);
+        QVERIFY(window.seenTouchEvent);
+        QVERIFY(!window.seenMouseEvent);
+    }
+}
+
 //QTEST_APPLESS_MAIN(tst_QApplication)
 int main(int argc, char *argv[])
 {