Change default TapAndHold timeout and make configurable

The new default timeout is 700ms and is what Nokia Research found
through usability studies. Nevertheless lets provide public API to
set this through a platform plugin or similar.

Reviewed-By: Denis

1 files changed, 29 insertions, 0 deletions

diff --git a/src/gui/kernel/qgesture.cpp b/src/gui/kernel/qgesture.cpp
index f5688f4..6359ecf 100644
--- a/src/gui/kernel/qgesture.cpp
+++ b/src/gui/kernel/qgesture.cpp
@@ -41,6 +41,7 @@
 
 #include "qgesture.h"
 #include "private/qgesture_p.h"
+#include "private/qstandardgestures_p.h"
 
 #ifndef QT_NO_GESTURES
 
@@ -726,6 +727,34 @@ void QTapAndHoldGesture::setPosition(const QPointF &value)
     d_func()->position = value;
 }
 
+/*!
+    Set the timeout, in milliseconds, before the gesture triggers.
+
+    The recognizer will detect a touch down and and if \a msecs
+    later the touch is still down, it will trigger the QTapAndHoldGesture.
+    The default value is 700 milliseconds.
+*/
+// static
+void QTapAndHoldGesture::setTimeout(int msecs)
+{
+    QTapAndHoldGesturePrivate::Timeout = msecs;
+}
+
+/*!
+    Gets the timeout, in milliseconds, before the gesture triggers.
+
+    The recognizer will detect a touch down and and if timeout()
+    later the touch is still down, it will trigger the QTapAndHoldGesture.
+    The default value is 700 milliseconds.
+*/
+// static
+int QTapAndHoldGesture::timeout()
+{
+    return QTapAndHoldGesturePrivate::Timeout;
+}
+
+int QTapAndHoldGesturePrivate::Timeout = 700; // in ms
+
 QT_END_NAMESPACE
 
 #endif // QT_NO_GESTURES