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-rw-r--r--src/widgets/kernel/qdesktopwidget.cpp1
-rw-r--r--src/widgets/kernel/qdesktopwidget.h1
-rw-r--r--src/widgets/kernel/qdesktopwidget.qdoc14
3 files changed, 16 insertions, 0 deletions
diff --git a/src/widgets/kernel/qdesktopwidget.cpp b/src/widgets/kernel/qdesktopwidget.cpp
index 94716025b9..b88b3cc61d 100644
--- a/src/widgets/kernel/qdesktopwidget.cpp
+++ b/src/widgets/kernel/qdesktopwidget.cpp
@@ -134,6 +134,7 @@ QDesktopWidget::QDesktopWidget()
setObjectName(QLatin1String("desktop"));
d->_q_updateScreens();
connect(qApp, SIGNAL(screenAdded(QScreen*)), this, SLOT(_q_updateScreens()));
+ connect(qApp, SIGNAL(primaryScreenChanged(QScreen*)), this, SIGNAL(primaryScreenChanged()));
}
QDesktopWidget::~QDesktopWidget()
diff --git a/src/widgets/kernel/qdesktopwidget.h b/src/widgets/kernel/qdesktopwidget.h
index c0cc4f1b81..f5f7d69887 100644
--- a/src/widgets/kernel/qdesktopwidget.h
+++ b/src/widgets/kernel/qdesktopwidget.h
@@ -77,6 +77,7 @@ Q_SIGNALS:
void resized(int);
void workAreaResized(int);
void screenCountChanged(int);
+ void primaryScreenChanged();
protected:
void resizeEvent(QResizeEvent *e) Q_DECL_OVERRIDE;
diff --git a/src/widgets/kernel/qdesktopwidget.qdoc b/src/widgets/kernel/qdesktopwidget.qdoc
index 31a99f1acb..d1a6ecabd6 100644
--- a/src/widgets/kernel/qdesktopwidget.qdoc
+++ b/src/widgets/kernel/qdesktopwidget.qdoc
@@ -271,3 +271,17 @@
\sa screenCount
*/
+
+
+/*!
+ \fn void QDesktopWidget::primaryScreenChanged()
+
+ \since 5.6
+
+ \brief This signal is emitted whenever the primary screen changes.
+
+ \note This doesn't mean the QDesktopWidget::primaryScreen index will
+ necessarily be different, but now it will refer to the new primary screen.
+
+ \sa primaryScreen, screenGeometry()
+*/