/** Returns the baseline for buttons. */
private static int getButtonBaseline(AbstractButton button, int height) {
FontMetrics fm = button.getFontMetrics(button.getFont());
resetRects(button, height);
String text = button.getText();
if (text != null && text.startsWith("<html>")) {
return -1;
}
// NOTE: that we use "a" here to make sure we get a valid value, if
// we were to pass in an empty string or null we would not get
// back the right thing.
SwingUtilities.layoutCompoundLabel(
button,
fm,
"a",
button.getIcon(),
button.getVerticalAlignment(),
button.getHorizontalAlignment(),
button.getVerticalTextPosition(),
button.getHorizontalTextPosition(),
viewRect,
iconRect,
textRect,
text == null ? 0 : button.getIconTextGap());
if (isAqua()) {
return textRect.y + fm.getAscent() + 1;
}
return textRect.y + fm.getAscent();
}
/**
* Returns the baseline.
*
* @throws NullPointerException {@inheritDoc}
* @throws IllegalArgumentException {@inheritDoc}
* @see javax.swing.JComponent#getBaseline(int, int)
* @since 1.6
*/
public int getBaseline(JComponent c, int width, int height) {
super.getBaseline(c, width, height);
AbstractButton b = (AbstractButton) c;
String text = b.getText();
if (text == null || "".equals(text)) {
return -1;
}
FontMetrics fm = b.getFontMetrics(b.getFont());
layout(b, fm, width, height);
return BasicHTML.getBaseline(b, textRect.y, fm.getAscent(), textRect.width, textRect.height);
}
public static Dimension getPreferredSize(AbstractButton b) {
String style = (String) b.getClientProperty("Quaqua.Button.style");
if (style == null) {
style = "push";
}
if (style.equals("help")) {
Icon helpIcon = UIManager.getIcon("Button.helpIcon");
Insets insets = b.getInsets();
return new Dimension(
helpIcon.getIconWidth() + insets.left + insets.right,
helpIcon.getIconHeight() + insets.top + insets.bottom);
}
if (b.getComponentCount() > 0) {
return null;
}
int textIconGap = Methods.invokeGetter(b, "getIconTextGap", 4);
Icon icon = (Icon) b.getIcon();
String text = b.getText();
Font font = b.getFont();
FontMetrics fm = b.getFontMetrics(font);
viewR.x = viewR.y = 0;
viewR.width = Short.MAX_VALUE;
viewR.height = Short.MAX_VALUE;
iconR.x = iconR.y = iconR.width = iconR.height = 0;
textR.x = textR.y = textR.width = textR.height = 0;
SwingUtilities.layoutCompoundLabel(
(JComponent) b,
fm,
text,
icon,
b.getVerticalAlignment(),
b.getHorizontalAlignment(),
b.getVerticalTextPosition(),
b.getHorizontalTextPosition(),
viewR,
iconR,
textR,
(text == null ? 0 : textIconGap));
/* The preferred size of the button is the size of
* the text and icon rectangles plus the buttons insets.
*/
Rectangle r = iconR.union(textR);
// if (b.isBorderPainted()) {
Insets insets = b.getInsets();
r.width += insets.left + insets.right;
r.height += insets.top + insets.bottom;
// }
if (!QuaquaUtilities.isSmallSizeVariant(b)
&& style.equals("push")
&& b.getIcon() == null
&& b.getText() != null) {
r.width = Math.max(r.width, UIManager.getInt("Button.minimumWidth"));
}
return r.getSize();
}