Add useful signals to QTabBar and QTabWidget

In this patch we introduce tabBarClicked and tabBarDoubleClicked to get
a finer grained information on the user interaction with the tab bar.

Done-with: kevin.ottens@kdab.com

Change-Id: I7be76a556ca09186e98f2e076fe2512d6c5e6773
Reviewed-by: Frederik Gladhorn <frederik.gladhorn@digia.com>

1 files changed, 42 insertions, 0 deletions

diff --git a/tests/auto/widgets/widgets/qtabbar/tst_qtabbar.cpp b/tests/auto/widgets/widgets/qtabbar/tst_qtabbar.cpp
index a188e3bfe1..0dac7d85e4 100644
--- a/tests/auto/widgets/widgets/qtabbar/tst_qtabbar.cpp
+++ b/tests/auto/widgets/widgets/qtabbar/tst_qtabbar.cpp
@@ -97,6 +97,8 @@ private slots:
     void changeTitleWhileDoubleClickingTab();
 
     void taskQTBUG_10052_widgetLayoutWhenMoving();
+
+    void tabBarClicked();
 };
 
 // Testing get/set functions
@@ -652,5 +654,45 @@ void tst_QTabBar::taskQTBUG_10052_widgetLayoutWhenMoving()
     QVERIFY(w2.moved);
 }
 
+void tst_QTabBar::tabBarClicked()
+{
+    QTabBar tabBar;
+    tabBar.addTab("0");
+    QSignalSpy clickSpy(&tabBar, SIGNAL(tabBarClicked(int)));
+    QSignalSpy doubleClickSpy(&tabBar, SIGNAL(tabBarDoubleClicked(int)));
+
+    QCOMPARE(clickSpy.count(), 0);
+    QCOMPARE(doubleClickSpy.count(), 0);
+
+    Qt::MouseButton button = Qt::LeftButton;
+    while (button <= Qt::MaxMouseButton) {
+        const QPoint tabPos = tabBar.tabRect(0).center();
+
+        QTest::mouseClick(&tabBar, button, 0, tabPos);
+        QCOMPARE(clickSpy.count(), 1);
+        QCOMPARE(clickSpy.takeFirst().takeFirst().toInt(), 0);
+        QCOMPARE(doubleClickSpy.count(), 0);
+
+        QTest::mouseDClick(&tabBar, button, 0, tabPos);
+        QCOMPARE(clickSpy.count(), 0);
+        QCOMPARE(doubleClickSpy.count(), 1);
+        QCOMPARE(doubleClickSpy.takeFirst().takeFirst().toInt(), 0);
+
+        const QPoint barPos(tabBar.tabRect(0).right() + 5, tabBar.tabRect(0).center().y());
+
+        QTest::mouseClick(&tabBar, button, 0, barPos);
+        QCOMPARE(clickSpy.count(), 1);
+        QCOMPARE(clickSpy.takeFirst().takeFirst().toInt(), -1);
+        QCOMPARE(doubleClickSpy.count(), 0);
+
+        QTest::mouseDClick(&tabBar, button, 0, barPos);
+        QCOMPARE(clickSpy.count(), 0);
+        QCOMPARE(doubleClickSpy.count(), 1);
+        QCOMPARE(doubleClickSpy.takeFirst().takeFirst().toInt(), -1);
+
+        button = Qt::MouseButton(button << 1);
+    }
+}
+
 QTEST_MAIN(tst_QTabBar)
 #include "tst_qtabbar.moc"