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, 24 insertions, 0 deletions

diff --git a/src/widgets/widgets/qtabwidget.cpp b/src/widgets/widgets/qtabwidget.cpp
index 4df55e2537..9d14c01490 100644
--- a/src/widgets/widgets/qtabwidget.cpp
+++ b/src/widgets/widgets/qtabwidget.cpp
@@ -172,6 +172,26 @@ QT_BEGIN_NAMESPACE
     \sa setTabsClosable()
 */
 
+/*!
+    \fn void QTabWidget::tabBarClicked(int index)
+
+    This signal is emitted when user clicks on a tab at an \a index.
+
+    \a index refers to the tab clicked, or -1 if no tab is under the cursor.
+
+    \since 5.2
+*/
+
+/*!
+    \fn void QTabWidget::tabBarDoubleClicked(int index)
+
+    This signal is emitted when the user double clicks on a tab at an \a index.
+
+    \a index is the index of a clicked tab, or -1 if no tab is under the cursor.
+
+    \since 5.2
+*/
+
 class QTabWidgetPrivate : public QWidgetPrivate
 {
     Q_DECLARE_PUBLIC(QTabWidget)
@@ -693,6 +713,10 @@ void QTabWidget::setTabBar(QTabBar* tb)
             this, SLOT(_q_showTab(int)));
     connect(d->tabs, SIGNAL(tabMoved(int,int)),
             this, SLOT(_q_tabMoved(int,int)));
+    connect(d->tabs, SIGNAL(tabBarClicked(int)),
+            this, SIGNAL(tabBarClicked(int)));
+    connect(d->tabs, SIGNAL(tabBarDoubleClicked(int)),
+            this, SIGNAL(tabBarDoubleClicked(int)));
     if (d->tabs->tabsClosable())
         connect(d->tabs, SIGNAL(tabCloseRequested(int)),
                 this, SIGNAL(tabCloseRequested(int)));