public void keyReleased(KeyEvent e) {
int code = e.getKeyCode();
if (code == KeyEvent.VK_SPACE) {
AbstractButton button = (AbstractButton) e.getSource();
button.putClientProperty(SPACEBAR_PRESSED, Boolean.FALSE);
}
}
public void keyPressed(KeyEvent e) {
int code = e.getKeyCode();
if (code == KeyEvent.VK_SPACE) {
AbstractButton button = (AbstractButton) e.getSource();
Boolean wasPressed = (Boolean) button.getClientProperty(SPACEBAR_PRESSED);
if (wasPressed == null || wasPressed.booleanValue() == false) {
button.putClientProperty(SPACEBAR_PRESSED, Boolean.TRUE);
button.doClick();
}
}
}
@Override
public void installUI(JComponent c) {
AbstractButton button = (AbstractButton) c;
ButtonInfo info = new ButtonInfo(button, this);
button.putClientProperty(BUTTON_INFO_KEY, info);
button.addMouseListener(info.basicListener);
button.addMouseMotionListener(info.basicListener);
button.addFocusListener(info.basicListener);
button.addPropertyChangeListener(info.basicListener);
button.addChangeListener(info.basicListener);
button.addKeyListener(focusArrowListener);
button.addComponentListener(componentListener);
button.addKeyListener(keyArmingListener);
button.setRequestFocusEnabled(false);
button.setFocusable(true);
button.addPropertyChangeListener(positionAndShapeListener);
button.setOpaque(false);
button.setRolloverEnabled(true);
if (button.getIcon() != null) {
Font font = UIManager.getFont("IconButton.font");
if (font != null) button.setFont(font); // miniature-ish
}
super.installUI(c);
updateLayout(button, info);
if (button.getFont() == null) {
Font font = UIManager.getFont("Button.font");
if (font == null) {
font = new Font("Default", 0, 13);
}
button.setFont(font);
}
}
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();
}