diff options
| -rw-r--r-- | src/gui/kernel/qevent.cpp | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/src/gui/kernel/qevent.cpp b/src/gui/kernel/qevent.cpp index 57c8bbdfdd..e8ed5c0765 100644 --- a/src/gui/kernel/qevent.cpp +++ b/src/gui/kernel/qevent.cpp @@ -3378,9 +3378,10 @@ QWindowStateChangeEvent::~QWindowStateChangeEvent() gestures. Whenever such a decision is made (the gesture is recognized), the clients will be notified with a QEvent::TouchCancel event so they can update their state accordingly. - The touchPoints() function returns a list of all touch points contained in the event. - Information about each touch point can be retrieved using the QTouchEvent::TouchPoint class. - The Qt::TouchPointState enum describes the different states that a touch point may have. + The touchPoints() function returns a list of all touch points contained in the event. Note that + this list may be empty, for example in case of a QEvent::TouchCancel event. Information about + each touch point can be retrieved using the QTouchEvent::TouchPoint class. The + Qt::TouchPointState enum describes the different states that a touch point may have. \section1 Event Delivery and Propagation |