improve mouse drag-and-drop effect

be3602df · DreamSourceLab · 3bc3da8a · be3602df
Commit be3602df authored 9 years ago by DreamSourceLab
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Showing with 2 additions and 2 deletions

DSView/pv/view/viewport.cpp DSView/pv/view/viewport.cpp +2 -2

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--- a/DSView/pv/view/viewport.cpp
+++ b/DSView/pv/view/viewport.cpp
@@ -512,10 +512,10 @@ void Viewport::mouseReleaseEvent(QMouseEvent *event)
        _drag_sig.reset();

    const double strength = _drag_strength*DragTimerInterval*1.0/_time.elapsed();
-    if (_drag_strength < MinorDragOffsetUp && abs(strength) > MinorDragRateUp) {
+    if (abs(_drag_strength) < MinorDragOffsetUp && abs(strength) > MinorDragRateUp) {
        _drag_strength = _drag_strength;
        _drag_timer.start(DragTimerInterval);
-    } else if (abs(strength) > 0.5*DragTimerInterval) {
+    } else if (abs(strength) > DragTimerInterval) {
        _drag_strength = strength * 5;
        _drag_timer.start(DragTimerInterval);
    } else {