Add functions to report normalized positions in QTouchEvent::TouchPoint

This introduces normalizedPos(), startNormalizedPos(), and
lastNormalizedPos() in QTouchEvent::TouchPoint, and must be set by the
implementation before being fed into Qt.

We are assuming and hoping that these functions will make it easier to
implement certain types of gestures (especially on a touchpad).

1 files changed, 6 insertions, 0 deletions

diff --git a/src/gui/kernel/qapplication.cpp b/src/gui/kernel/qapplication.cpp
index 5ef453d..4671ded 100644
--- a/src/gui/kernel/qapplication.cpp
+++ b/src/gui/kernel/qapplication.cpp
@@ -5331,6 +5331,8 @@ void QApplicationPrivate::translateRawTouchEvent(QWidget *window,
             d->widgetForTouchPointId[touchPoint.id()] = widget;
             touchPoint.setStartScreenPos(touchPoint.screenPos());
             touchPoint.setLastScreenPos(touchPoint.screenPos());
+            touchPoint.setStartNormalizedPos(touchPoint.normalizedPos());
+            touchPoint.setLastNormalizedPos(touchPoint.normalizedPos());
             d->appCurrentTouchPoints.insert(touchPoint.id(), touchPoint);
             break;
         }
@@ -5343,6 +5345,8 @@ void QApplicationPrivate::translateRawTouchEvent(QWidget *window,
             QTouchEvent::TouchPoint previousTouchPoint = d->appCurrentTouchPoints.take(touchPoint.id());
             touchPoint.setStartScreenPos(previousTouchPoint.startScreenPos());
             touchPoint.setLastScreenPos(previousTouchPoint.screenPos());
+            touchPoint.setStartNormalizedPos(previousTouchPoint.startNormalizedPos());
+            touchPoint.setLastNormalizedPos(previousTouchPoint.normalizedPos());
             break;
         }
         default:
@@ -5353,6 +5357,8 @@ void QApplicationPrivate::translateRawTouchEvent(QWidget *window,
             QTouchEvent::TouchPoint previousTouchPoint = d->appCurrentTouchPoints.value(touchPoint.id());
             touchPoint.setStartScreenPos(previousTouchPoint.startScreenPos());
             touchPoint.setLastScreenPos(previousTouchPoint.screenPos());
+            touchPoint.setStartNormalizedPos(previousTouchPoint.startNormalizedPos());
+            touchPoint.setLastNormalizedPos(previousTouchPoint.normalizedPos());
             d->appCurrentTouchPoints[touchPoint.id()] = touchPoint;
             break;
         }