protected Rectangle rectangleForCurrentValue() { int width = comboBox.getWidth(); int height = comboBox.getHeight(); Insets insets = getInsets(); if (MotifGraphicsUtils.isLeftToRight(comboBox)) { return new Rectangle( insets.left, insets.top, (width - (insets.left + insets.right)) - iconAreaWidth(), height - (insets.top + insets.bottom)); } else { return new Rectangle( insets.left + iconAreaWidth(), insets.top, (width - (insets.left + insets.right)) - iconAreaWidth(), height - (insets.top + insets.bottom)); } }
public void paint(Graphics g, JComponent c) { boolean hasFocus = comboBox.hasFocus(); Rectangle r; if (comboBox.isEnabled()) { g.setColor(comboBox.getBackground()); } else { g.setColor(UIManager.getColor("ComboBox.disabledBackground")); } g.fillRect(0, 0, c.getWidth(), c.getHeight()); if (!comboBox.isEditable()) { r = rectangleForCurrentValue(); paintCurrentValue(g, r, hasFocus); } r = rectangleForArrowIcon(); arrowIcon.paintIcon(c, g, r.x, r.y); if (!comboBox.isEditable()) { Border border = comboBox.getBorder(); Insets in; if (border != null) { in = border.getBorderInsets(comboBox); } else { in = new Insets(0, 0, 0, 0); } // Draw the separation if (MotifGraphicsUtils.isLeftToRight(comboBox)) { r.x -= (HORIZ_MARGIN + 2); } else { r.x += r.width + HORIZ_MARGIN + 1; } r.y = in.top; r.width = 1; r.height = comboBox.getBounds().height - in.bottom - in.top; g.setColor(UIManager.getColor("controlShadow")); g.fillRect(r.x, r.y, r.width, r.height); r.x++; g.setColor(UIManager.getColor("controlHighlight")); g.fillRect(r.x, r.y, r.width, r.height); } }
protected Rectangle rectangleForArrowIcon() { Rectangle b = comboBox.getBounds(); Border border = comboBox.getBorder(); Insets in; if (border != null) { in = border.getBorderInsets(comboBox); } else { in = new Insets(0, 0, 0, 0); } b.x = in.left; b.y = in.top; b.width -= (in.left + in.right); b.height -= (in.top + in.bottom); if (MotifGraphicsUtils.isLeftToRight(comboBox)) { b.x = b.x + b.width - HORIZ_MARGIN - arrowIcon.getIconWidth(); } else { b.x += HORIZ_MARGIN; } b.y = b.y + (b.height - arrowIcon.getIconHeight()) / 2; b.width = arrowIcon.getIconWidth(); b.height = arrowIcon.getIconHeight(); return b; }