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Let SwingNumberWidget listen for mouse wheel events #30

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merged 1 commit into from
Nov 3, 2017
Merged

Let SwingNumberWidget listen for mouse wheel events #30

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17 changes: 16 additions & 1 deletion src/main/java/org/scijava/ui/swing/widget/SwingNumberWidget.java
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Original file line number Diff line number Diff line change
Expand Up @@ -37,6 +37,8 @@
import java.awt.event.AdjustmentListener;
import java.awt.event.FocusEvent;
import java.awt.event.FocusListener;
import java.awt.event.MouseWheelEvent;
import java.awt.event.MouseWheelListener;
import java.math.BigDecimal;
import java.math.BigInteger;
import java.text.DecimalFormat;
Expand Down Expand Up @@ -68,7 +70,7 @@
*/
@Plugin(type = InputWidget.class)
public class SwingNumberWidget extends SwingInputWidget<Number> implements
NumberWidget<JPanel>, AdjustmentListener, ChangeListener
NumberWidget<JPanel>, AdjustmentListener, ChangeListener, MouseWheelListener
{

@Parameter
Expand Down Expand Up @@ -159,6 +161,17 @@ else if (source == spinner) {
}
updateModel();
}

// -- MouseWheelListener methods --

@Override
public void mouseWheelMoved(final MouseWheelEvent e) {
int value = getValue().intValue() + e.getWheelRotation();
value = Math.min(value, this.get().getMax().intValue());
value = Math.max(value, this.get().getMin().intValue());
spinner.setValue(value);
syncSliders();
}

// -- Helper methods --

Expand All @@ -180,6 +193,7 @@ private void addScrollBar(final Number min, final Number max,
setToolTip(scrollBar);
getComponent().add(scrollBar);
scrollBar.addAdjustmentListener(this);
scrollBar.addMouseWheelListener(this);
}

private void addSlider(final Number min, final Number max,
Expand Down Expand Up @@ -213,6 +227,7 @@ private void addSlider(final Number min, final Number max,
setToolTip(slider);
getComponent().add(slider);
slider.addChangeListener(this);
slider.addMouseWheelListener(this);
}

/**
Expand Down