iOS: Implement support for QApplication::beep()

Vibrates the device or plays an alert sound on devices
that do not support vibration.

The other implementations of beep() have been moved to
QPlatformIntegration as a proper API instead of having
them as invokables in QPlatformNativeInterface.

Change-Id: Ic597dbef04b46d49862b070e78ddfc0d763829a2
Reviewed-by: Simon Hausmann <simon.hausmann@theqtcompany.com>
Reviewed-by: Kai Uwe Broulik <kde@privat.broulik.de>

2 files changed, 13 insertions, 0 deletions

diff --git a/src/gui/kernel/qplatformintegration.cpp b/src/gui/kernel/qplatformintegration.cpp
index 0968c9deed..82cb4dd399 100644
--- a/src/gui/kernel/qplatformintegration.cpp
+++ b/src/gui/kernel/qplatformintegration.cpp
@@ -557,6 +557,17 @@ void QPlatformIntegration::sync()
 {
 }
 
+/*!
+   \since 5.7
+
+    Should sound a bell, using the default volume and sound.
+
+    \sa QApplication::beep()
+*/
+void QPlatformIntegration::beep() const
+{
+}
+
 #ifndef QT_NO_OPENGL
 /*!
   Platform integration function for querying the OpenGL implementation type.
diff --git a/src/gui/kernel/qplatformintegration.h b/src/gui/kernel/qplatformintegration.h
index af89a73455..382e16b4ca 100644
--- a/src/gui/kernel/qplatformintegration.h
+++ b/src/gui/kernel/qplatformintegration.h
@@ -176,6 +176,8 @@ public:
 
     void removeScreen(QScreen *screen);
 
+    virtual void beep() const;
+
 protected:
     void screenAdded(QPlatformScreen *screen, bool isPrimary = false);
     void destroyScreen(QPlatformScreen *screen);