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| author | tkellner <tkellner@174cde9d-5d70-4d2a-aa98-46368bc2aaf7> | 2013-04-10 19:10:49 +0000 |
|---|---|---|
| committer | tkellner <tkellner@174cde9d-5d70-4d2a-aa98-46368bc2aaf7> | 2013-04-10 19:10:49 +0000 |
| commit | 5b443ea391aee9a9340dbdbf990feea64f23e7a0 (patch) | |
| tree | 2b6b7cfdb367755ac5fa4695fb2abea23bc33f08 /pdf-over-gui | |
| parent | 5974b2267e2e0841305cbf76481fd2e5e3563d0a (diff) | |
| download | mocca-5b443ea391aee9a9340dbdbf990feea64f23e7a0.tar.gz mocca-5b443ea391aee9a9340dbdbf990feea64f23e7a0.tar.bz2 mocca-5b443ea391aee9a9340dbdbf990feea64f23e7a0.zip | |
Workaround for wheel events firing twice
git-svn-id: https://joinup.ec.europa.eu/svn/pdf-over/trunk@177 174cde9d-5d70-4d2a-aa98-46368bc2aaf7
Diffstat (limited to 'pdf-over-gui')
| -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++; |