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Code Issues Packages Projects Releases Wiki Activity

allow to modify proxy port with mouse wheel

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This commit is contained in:
Bas Leijdekkers
2016-05-13 16:42:20 +02:00
parent 96d99f4686
commit fb862488de
1 changed files with 53 additions and 4 deletions
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platform/platform-api/src/com/intellij/ui/PortField.java
+53 -4
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@@ -15,11 +15,10 @@
*/
package com.intellij.ui;
import org.jetbrains.annotations.NotNull;
import javax.swing.*;
import java.awt.event.FocusEvent;
import java.awt.event.FocusListener;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.awt.event.*;
public class PortField extends JSpinner {
public PortField() {
@@ -39,6 +38,7 @@ public class PortField extends JSpinner {
final NumberEditor editor = new NumberEditor(this, "#");
setEditor(editor);
final MyListener listener = new MyListener();
addMouseWheelListener(listener);
final JFormattedTextField field = editor.getTextField();
field.addFocusListener(listener);
field.addMouseListener(listener);
@@ -89,5 +89,54 @@ public class PortField extends JSpinner {
@Override
public void focusLost(FocusEvent e) {}
@Override
public void mouseWheelMoved(MouseWheelEvent e) {
final Object source = e.getSource();
if (source instanceof JSpinner) {
final JSpinner spinner = (JSpinner)source;
final SpinnerModel model = spinner.getModel();
if (model instanceof SpinnerNumberModel) {
final SpinnerNumberModel numberModel = (SpinnerNumberModel)model;
final Number value = (Number)numberModel.getValue();
final Number stepSize = numberModel.getStepSize();
final Comparable minimum = numberModel.getMinimum();
final Comparable maximum = numberModel.getMaximum();
final Number newValue = calculateNewValue(value, stepSize, minimum, maximum, e.getUnitsToScroll());
if (newValue != null) {
numberModel.setValue(newValue);
}
}
}
}
private static Number calculateNewValue(@NotNull Number value, @NotNull Number stepSize,
Comparable minimum, Comparable maximum, int steps) {
final Number newValue;
if ((value instanceof Float) || (value instanceof Double)) {
final double v = value.doubleValue() + (stepSize.doubleValue() * (double)steps);
newValue = value instanceof Double ? new Double(v) : new Float(v);
}
else {
final long v = value.longValue() + (stepSize.longValue() * (long)steps);
if (value instanceof Long) {
newValue = Long.valueOf(v);
}
else if (value instanceof Integer) {
newValue = Integer.valueOf((int)v);
}
else if (value instanceof Short) {
newValue = Short.valueOf((short)v);
}
else {
newValue = Byte.valueOf((byte)v);
}
}
if ((maximum != null) && (maximum.compareTo(newValue) < 0) || (minimum != null) && (minimum.compareTo(newValue) > 0)) {
return null;
}
return newValue;
}
}
}