/**
* Sets a mnemomic for the specified button.
*
* @param b button
* @param mnem mnemonics that have already been assigned
*/
public static void setMnemonic(final AbstractButton b, final StringBuilder mnem) {
// do not set mnemonics for Mac! Alt+key used for special characters.
if (Prop.MAC) return;
// find and assign unused mnemomic
final String label = b.getText();
final int ll = label.length();
for (int l = 0; l < ll; l++) {
final char ch = Character.toLowerCase(label.charAt(l));
if (!letter(ch) || mnem.indexOf(Character.toString(ch)) != -1) continue;
b.setMnemonic(ch);
mnem.append(ch);
break;
}
}
private String layout(AbstractButton b, FontMetrics fm, int width, int height) {
Insets i = b.getInsets();
viewRect.x = i.left;
viewRect.y = i.top;
viewRect.width = width - (i.right + viewRect.x);
viewRect.height = height - (i.bottom + viewRect.y);
textRect.x = textRect.y = textRect.width = textRect.height = 0;
iconRect.x = iconRect.y = iconRect.width = iconRect.height = 0;
// layout the text and icon
return SwingUtilities.layoutCompoundLabel(
b,
fm,
b.getText(),
b.getIcon(),
b.getVerticalAlignment(),
b.getHorizontalAlignment(),
b.getVerticalTextPosition(),
b.getHorizontalTextPosition(),
viewRect,
iconRect,
textRect,
b.getText() == null ? 0 : b.getIconTextGap());
}
/** 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();
}
public Rectangle getVisualBounds(JComponent c, int type, int width, int height) {
Rectangle bounds = new Rectangle(0, 0, width, height);
if (type == VisuallyLayoutable.CLIP_BOUNDS) {
return bounds;
}
AbstractButton b = (AbstractButton) c;
if (type == VisuallyLayoutable.COMPONENT_BOUNDS
&& b.getBorder() != null
&& b.isBorderPainted()) {
Border border = b.getBorder();
if (border instanceof BackgroundBorder) {
border = ((BackgroundBorder) border).getBackgroundBorder();
if (border instanceof VisualMargin) {
InsetsUtil.subtractInto(((VisualMargin) border).getVisualMargin(c), bounds);
} else if (border instanceof QuaquaButtonBorder) {
InsetsUtil.subtractInto(((QuaquaButtonBorder) border).getVisualMargin(c), bounds);
}
}
return bounds;
}
String text = b.getText();
boolean isEmpty = (text == null || text.length() == 0);
if (isEmpty) {
text = " ";
}
Icon icon = (b.isEnabled()) ? b.getIcon() : b.getDisabledIcon();
if ((icon == null) && (text == null)) {
return null;
}
FontMetrics fm = c.getFontMetrics(c.getFont());
Insets insets = c.getInsets(viewInsets);
viewR.x = insets.left;
viewR.y = insets.top;
viewR.width = width - (insets.left + insets.right);
viewR.height = height - (insets.top + insets.bottom);
iconR.x = iconR.y = iconR.width = iconR.height = 0;
textR.x = textR.y = textR.width = textR.height = 0;
String clippedText = layoutCL(b, fm, text, icon, viewR, iconR, textR);
Rectangle textBounds = Fonts.getPerceivedBounds(text, c.getFont(), c);
if (isEmpty) {
textBounds.width = 0;
}
int ascent = fm.getAscent();
textR.x += textBounds.x;
textR.width = textBounds.width;
textR.y += ascent + textBounds.y;
textR.height -= fm.getHeight() - textBounds.height;
bounds.setBounds(textR);
return bounds;
}
@Override
public Dimension getMinimumSize(JComponent c) {
AbstractButton b = (AbstractButton) c;
String style = (String) c.getClientProperty("Quaqua.Button.style");
if (style == null) {
style = "push";
}
if (style.equals("help")) {
return getPreferredSize(c);
}
Dimension d = super.getMinimumSize(c);
if (isFixedHeight(c)) {
Dimension p = getPreferredSize(c);
if (d != null && p != null) {
d.height = Math.max(d.height, p.height);
}
}
if (!QuaquaUtilities.isSmallSizeVariant(c)
&& style.equals("push") //
&& b.getIcon() == null
&& b.getText() != null) {
if (d != null) {
d.width = Math.max(d.width, UIManager.getInt("Button.minimumWidth"));
}
}
return d;
}
/**
* 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);
}
protected void paintFocus(
Graphics g, AbstractButton b, Rectangle viewRect, Rectangle textRect, Rectangle iconRect) {
Rectangle focusRect = new Rectangle();
String text = b.getText();
boolean isIcon = b.getIcon() != null;
// If there is text
if (text != null && !text.equals("")) {
if (!isIcon) {
focusRect.setBounds(textRect);
} else {
focusRect.setBounds(iconRect.union(textRect));
}
}
// If there is an icon and no text
else if (isIcon) {
focusRect.setBounds(iconRect);
}
g.setColor(getFocusColor());
g.drawRect((focusRect.x - 1), (focusRect.y - 1), focusRect.width + 1, focusRect.height + 1);
}
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();
}
