public CustomizableComboBox() {
super(new BorderLayout());
myThemedCombo.setEditable(true);
PopupMouseListener listener = new PopupMouseListener();
// GTK always draws a border on the textbox. It cannot be removed,
// so to compensate, we remove our own border so we don't have a double border.
if (UIUtil.isUnderGTKLookAndFeel()) {
this.setBorder(BorderFactory.createEmptyBorder(2, 2, 2, 2));
} else {
this.setBorder(
BorderFactory.createCompoundBorder(
BorderFactory.createEmptyBorder(2, 2, 2, 2),
BorderFactory.createLineBorder(getBorderColor(), 1)));
}
// Try to turn off the border on the JTextField.
myTextField =
new JBTextField() {
@Override
public void setBorder(Border border) {
super.setBorder(BorderFactory.createEmptyBorder(0, 2, 0, 0));
}
};
myTextField.setBorder(BorderFactory.createEmptyBorder(0, 2, 0, 0));
myTextField.addMouseListener(listener);
myTextField.addFocusListener(
new FocusListener() {
@Override
public void focusGained(FocusEvent e) {
myTextField.selectAll();
}
@Override
public void focusLost(FocusEvent e) {
// no-op
}
});
JButton popupButton = createArrowButton();
popupButton.addMouseListener(listener);
this.add(popupButton, BorderLayout.EAST);
this.add(myTextField, BorderLayout.CENTER);
}
@Override
public void addNotify() {
super.addNotify();
myTextField.addFocusListener(
new FocusAdapter() {
@Override
public void focusGained(FocusEvent e) {
CustomizableComboBox.this.repaint();
}
@Override
public void focusLost(FocusEvent e) {
CustomizableComboBox.this.repaint();
}
});
}