diff options
| -rw-r--r-- | pdf-over-gui/src/main/java/at/asit/pdfover/gui/composites/PositioningComposite.java | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/pdf-over-gui/src/main/java/at/asit/pdfover/gui/composites/PositioningComposite.java b/pdf-over-gui/src/main/java/at/asit/pdfover/gui/composites/PositioningComposite.java index b7ed647d..defa846a 100644 --- a/pdf-over-gui/src/main/java/at/asit/pdfover/gui/composites/PositioningComposite.java +++ b/pdf-over-gui/src/main/java/at/asit/pdfover/gui/composites/PositioningComposite.java @@ -237,16 +237,22 @@ public class PositioningComposite extends StateComposite { }; private MouseWheelListener mouseListener = new MouseWheelListener() { + private long lastEventTime = 0; + @Override public void mouseWheelMoved(MouseWheelEvent e) { + if (e.getWhen() == this.lastEventTime) + return; + this.lastEventTime = e.getWhen(); + int newPage = PositioningComposite.this.currentPage; - if (e.getUnitsToScroll() < 0) + if (e.getWheelRotation() < 0) { if (PositioningComposite.this.currentPage > 1) newPage--; } - else if (e.getUnitsToScroll() > 0) + else if (e.getWheelRotation() > 0) { if (PositioningComposite.this.currentPage < PositioningComposite.this.numPages) newPage++; |