/**
* 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.
*
* @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);
}
/** Returns the dimensions required to display the icon and label. */
private Dimension getContentSize(AbstractButton button) {
Rectangle scratchIconRect = new Rectangle();
Rectangle scratchTextRect = new Rectangle();
Rectangle scratchViewRect = new Rectangle(Short.MAX_VALUE, Short.MAX_VALUE);
FontMetrics fm = button.getFontMetrics(button.getFont());
SwingUtilities.layoutCompoundLabel(
fm,
button.getText(),
button.getIcon(),
button.getVerticalAlignment(),
button.getHorizontalAlignment(),
button.getVerticalTextPosition(),
button.getHorizontalTextPosition(),
scratchViewRect,
scratchIconRect,
scratchTextRect,
button.getIconTextGap());
Insets textInsets = getTextPadding();
scratchTextRect.y -= textInsets.top;
scratchTextRect.x -= textInsets.left;
scratchTextRect.width += textInsets.left + textInsets.right;
scratchTextRect.height += textInsets.top + textInsets.bottom;
Insets iconInsets = getIconPadding();
scratchIconRect.y -= iconInsets.top;
scratchIconRect.x -= iconInsets.left;
scratchIconRect.width += iconInsets.left + iconInsets.right;
scratchIconRect.height += iconInsets.top + iconInsets.bottom;
Rectangle sum = getSum(new Rectangle[] {scratchIconRect, scratchTextRect});
return new Dimension(sum.width, sum.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);
}
/** Calculates the preferred size of this button and UI. */
@Override
public Dimension getPreferredSize(JComponent c) {
AbstractButton button = (AbstractButton) c;
ButtonCluster cluster = ButtonCluster.getCluster(button);
Rectangle scratchIconRect = new Rectangle();
Rectangle scratchTextRect = new Rectangle();
Rectangle scratchViewRect = new Rectangle(Short.MAX_VALUE, Short.MAX_VALUE);
FontMetrics fm = button.getFontMetrics(button.getFont());
SwingUtilities.layoutCompoundLabel(
fm,
button.getText(),
button.getIcon(),
button.getVerticalAlignment(),
button.getHorizontalAlignment(),
button.getVerticalTextPosition(),
button.getHorizontalTextPosition(),
scratchViewRect,
scratchIconRect,
scratchTextRect,
button.getIconTextGap());
Insets textInsets = getTextPadding();
scratchTextRect.y -= textInsets.top;
scratchTextRect.x -= textInsets.left;
scratchTextRect.width += textInsets.left + textInsets.right;
scratchTextRect.height += textInsets.top + textInsets.bottom;
Insets iconInsets = getIconPadding();
scratchIconRect.y -= iconInsets.top;
scratchIconRect.x -= iconInsets.left;
scratchIconRect.width += iconInsets.left + iconInsets.right;
scratchIconRect.height += iconInsets.top + iconInsets.bottom;
Rectangle sum = getSum(new Rectangle[] {scratchIconRect, scratchTextRect});
if (cluster != null && cluster.isStandardized()) {
/**
* If standardize: the dimensions of this button need to make room for all other buttons in
* the cluster.
*/
AbstractButton[] buttons = cluster.getButtons();
for (int a = 0; a < buttons.length; a++) {
ButtonUI ui = buttons[a].getUI();
if (ui instanceof FilledButtonUI) {
FilledButtonUI fui = (FilledButtonUI) ui;
Dimension contentSize = fui.getContentSize(buttons[a]);
sum.width = Math.max(sum.width, contentSize.width);
sum.height = Math.max(sum.height, contentSize.height);
}
}
}
Insets padding = getContentInsets(button);
Shape customShape = (Shape) button.getClientProperty(SHAPE);
if (customShape == null) {
int minHeight = getPreferredHeight();
if (sum.height < minHeight) sum.height = minHeight;
}
int horizontalPosition = getHorizontalPosition(button);
int verticalPosition = getVerticalPosition(button);
Dimension size = shape.getPreferredSize(null, sum.width, sum.height, padding, customShape);
if (customShape == null) {
PaintFocus focus = getFocusPainting(button);
if (focus == PaintFocus.OUTSIDE || focus == PaintFocus.BOTH) {
if (horizontalPosition == POS_ONLY) {
size.width += 2 * focusSize;
} else if (horizontalPosition != POS_MIDDLE) {
size.width += focusSize;
}
if (verticalPosition == POS_ONLY) {
size.height += 2 * focusSize;
} else if (horizontalPosition != POS_MIDDLE) {
size.height += focusSize;
}
}
}
return size;
}
protected void updateLayout(AbstractButton button, ButtonInfo buttonInfo) {
Shape customShape = (Shape) button.getClientProperty(SHAPE);
int width = button.getWidth();
int height = button.getHeight();
int horizontalPosition = getHorizontalPosition(button);
int verticalPosition = getVerticalPosition(button);
String key = width + " " + height + " " + horizontalPosition + " " + verticalPosition;
button.putClientProperty("FilledButtonUI.validationKey", key);
int dx = 0;
int dy = 0;
if (getFocusPainting(button) == PaintFocus.OUTSIDE
|| getFocusPainting(button) == PaintFocus.BOTH) {
if (horizontalPosition == POS_LEFT || horizontalPosition == POS_ONLY) {
dx += focusSize;
width -= focusSize;
}
if (horizontalPosition == POS_RIGHT || horizontalPosition == POS_ONLY) {
width -= focusSize;
}
if (verticalPosition == POS_TOP || verticalPosition == POS_ONLY) {
dy += focusSize;
height -= focusSize;
}
if (verticalPosition == POS_BOTTOM || verticalPosition == POS_ONLY) {
height -= focusSize;
}
} else {
if ((verticalPosition == POS_BOTTOM || verticalPosition == POS_ONLY)
&& fill.getShadowHighlight(button) != null) {
height--;
}
}
ButtonInfo info = getButtonInfo(button);
boolean showSeparators = isShowingSeparators(button);
shape.getShape(
info.fill,
info.stroke,
width,
height,
horizontalPosition,
verticalPosition,
showSeparators,
customShape);
AffineTransform translation = AffineTransform.getTranslateInstance(dx, dy);
info.fill.transform(translation);
info.stroke.transform(translation);
Font font = button.getFont();
if (font == null) font = new Font("Default", 0, 12);
FontMetrics fm = button.getFontMetrics(font);
info.viewRect.x =
info.viewRect.y =
info.textRect.x = info.textRect.y = info.textRect.width = info.textRect.height = 0;
info.iconRect.x = info.iconRect.y = info.iconRect.width = info.iconRect.height = 0;
info.viewRect.width = Short.MAX_VALUE;
info.viewRect.height = Short.MAX_VALUE;
SwingUtilities.layoutCompoundLabel(
fm,
button.getText(),
button.getIcon(),
button.getVerticalAlignment(),
button.getHorizontalAlignment(),
button.getVerticalTextPosition(),
button.getHorizontalTextPosition(),
info.viewRect,
info.iconRect,
info.textRect,
button.getIconTextGap());
Insets textInsets = getTextPadding();
Insets iconInsets = getIconPadding();
Rectangle tempTextRect = new Rectangle(info.textRect);
Rectangle tempIconRect = new Rectangle(info.iconRect);
if (info.textRect.width > 0) {
tempTextRect.y -= textInsets.top;
tempTextRect.x -= textInsets.left;
tempTextRect.width += textInsets.left + textInsets.right;
tempTextRect.height += textInsets.top + textInsets.bottom;
}
if (info.iconRect.width > 0) {
tempIconRect.y -= iconInsets.top;
tempIconRect.x -= iconInsets.left;
tempIconRect.width += iconInsets.left + iconInsets.right;
tempIconRect.height += iconInsets.top + iconInsets.bottom;
}
Rectangle sum = getSum(new Rectangle[] {tempIconRect, tempTextRect});
Insets padding = getContentInsets(button);
float centerX, centerY;
if (button.getHorizontalAlignment() == SwingConstants.LEFT
|| button.getHorizontalAlignment() == SwingConstants.LEADING) {
centerX = padding.left + sum.width / 2;
} else if (button.getHorizontalAlignment() == SwingConstants.RIGHT
|| button.getHorizontalAlignment() == SwingConstants.TRAILING) {
centerX = button.getWidth() - padding.right - sum.width / 2;
} else {
centerX = ((button.getWidth() - padding.left - padding.right)) / 2f;
}
// TODO: also take into account vertical alignment:
centerY = ((button.getHeight() - padding.top - padding.bottom)) / 2f;
float shiftX = centerX - (sum.width) / 2f - sum.x + padding.left;
float shiftY = centerY - (sum.height) / 2f - sum.y + padding.top;
if (customShape == null) {
if (button.getVerticalAlignment() == SwingConstants.CENTER
&& button.getVerticalTextPosition() == SwingConstants.CENTER
&& info.textRect.width > 0) {
int unusedAscent = getUnusedAscent(fm, font);
int ascent = fm.getAscent() - unusedAscent;
shiftY =
(int) (-sum.y + centerY - ascent / 2 - unusedAscent + padding.top - textInsets.top);
}
}
info.iconRect.setFrame(
info.iconRect.x + shiftX,
info.iconRect.y + shiftY,
info.iconRect.width,
info.iconRect.height);
info.textRect.setRect(
(int) (info.textRect.x + shiftX + .5f),
(int) (info.textRect.y + shiftY + .5f),
info.textRect.width,
info.textRect.height);
info.updateFillBounds();
}