public DarculaTitlePane(JRootPane root, DarculaRootPaneUI ui) {
this.myRootPane = root;
rootPaneUI = ui;
myState = -1;
installSubcomponents();
determineColors();
installDefaults();
setLayout(createLayout());
setBorder(JBUI.Borders.empty(3, 0));
}
private static JButton createButton(String accessibleName, Icon icon, Action action) {
JButton button =
new JButton() {
boolean mouseOverButton = false;
{
enableEvents(AWTEvent.MOUSE_EVENT_MASK);
addMouseListener(
new MouseAdapter() {
@Override
public void mouseEntered(MouseEvent e) {
mouseOverButton = true;
repaint();
}
@Override
public void mouseExited(MouseEvent e) {
mouseOverButton = false;
repaint();
}
});
}
@Override
protected void paintComponent(Graphics g) {
final Window window = SwingUtilities.windowForComponent(this);
float alpha = window.isActive() && mouseOverButton ? 1f : 0.5f;
final GraphicsConfig config = GraphicsUtil.paintWithAlpha(g, alpha);
getIcon().paintIcon(this, g, 0, 0);
config.restore();
}
};
button.setFocusPainted(false);
button.setFocusable(false);
button.setOpaque(false);
button.putClientProperty("paintActive", Boolean.TRUE);
button.putClientProperty(AccessibleContext.ACCESSIBLE_NAME_PROPERTY, accessibleName);
button.setBorder(JBUI.Borders.empty());
button.setText(null);
button.setAction(action);
button.setIcon(icon);
return button;
}