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1: /* MetalCheckBoxIcon.java -- An icon for JCheckBoxes in the Metal L&F 2: Copyright (C) 2005 Free Software Foundation, Inc. 3: 4: This file is part of GNU Classpath. 5: 6: GNU Classpath is free software; you can redistribute it and/or modify 7: it under the terms of the GNU General Public License as published by 8: the Free Software Foundation; either version 2, or (at your option) 9: any later version. 10: 11: GNU Classpath is distributed in the hope that it will be useful, but 12: WITHOUT ANY WARRANTY; without even the implied warranty of 13: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14: General Public License for more details. 15: 16: You should have received a copy of the GNU General Public License 17: along with GNU Classpath; see the file COPYING. If not, write to the 18: Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 19: 02110-1301 USA. 20: 21: Linking this library statically or dynamically with other modules is 22: making a combined work based on this library. Thus, the terms and 23: conditions of the GNU General Public License cover the whole 24: combination. 25: 26: As a special exception, the copyright holders of this library give you 27: permission to link this library with independent modules to produce an 28: executable, regardless of the license terms of these independent 29: modules, and to copy and distribute the resulting executable under 30: terms of your choice, provided that you also meet, for each linked 31: independent module, the terms and conditions of the license of that 32: module. An independent module is a module which is not derived from 33: or based on this library. If you modify this library, you may extend 34: this exception to your version of the library, but you are not 35: obligated to do so. If you do not wish to do so, delete this 36: exception statement from your version. */ 37: 38: 39: package javax.swing.plaf.metal; 40: 41: import java.awt.Component; 42: import java.awt.Graphics; 43: import java.io.Serializable; 44: 45: import javax.swing.Icon; 46: import javax.swing.JCheckBox; 47: import javax.swing.plaf.UIResource; 48: 49: /** 50: * An {@link Icon} used by the {@link MetalCheckBoxUI} class. 51: * 52: * @author Roman Kennke (roman@kennke.org) 53: */ 54: public class MetalCheckBoxIcon 55: implements Icon, UIResource, Serializable 56: { 57: 58: /** Used to paint the border of the icon. */ 59: MetalBorders.ButtonBorder border; 60: 61: /** 62: * Creates a new MetalCheckBoxIcon instance. 63: */ 64: public MetalCheckBoxIcon() 65: { 66: border = new MetalBorders.ButtonBorder(); 67: } 68: 69: /** 70: * Draws the check in the CheckBox. 71: * 72: * @param c the component to draw on 73: * @param g the Graphics context to draw with 74: * @param x the X position 75: * @param y the Y position 76: */ 77: protected void drawCheck(Component c, Graphics g, int x, int y) 78: { 79: if (c.isEnabled()) 80: g.setColor(MetalLookAndFeel.getBlack()); 81: else 82: g.setColor(MetalLookAndFeel.getControlDisabled()); 83: g.drawLine(3 + x, 5 + y, 3 + x, 9 + y); 84: g.drawLine(4 + x, 5 + y, 4 + x, 9 + y); 85: g.drawLine(5 + x, 7 + y, 9 + x, 3 + y); 86: g.drawLine(5 + x, 8 + y, 9 + x, 4 + y); 87: } 88: 89: /** 90: * Returns the size (both X and Y) of the checkbox icon. 91: * 92: * @return the size of the checkbox icon 93: */ 94: protected int getControlSize() 95: { 96: return 13; 97: } 98: 99: /** 100: * Returns the width of the icon in pixels. 101: * 102: * @return the width of the icon in pixels 103: */ 104: public int getIconWidth() 105: { 106: return getControlSize(); 107: } 108: 109: /** 110: * Returns the height of the icon in pixels. 111: * 112: * @return the height of the icon in pixels 113: */ 114: public int getIconHeight() 115: { 116: return getControlSize(); 117: } 118: 119: /** 120: * Paints the icon. This first paints the border of the CheckBox and 121: * if the CheckBox is selected it calls {@link #drawCheck} to draw 122: * the check. 123: * 124: * @param c the Component to draw on (gets casted to JCheckBox) 125: * @param g the Graphics context to draw with 126: * @param x the X position 127: * @param y the Y position 128: */ 129: public void paintIcon(Component c, Graphics g, int x, int y) 130: { 131: border.paintBorder(c, g, x, y, getIconWidth(), getIconHeight()); 132: JCheckBox cb = (JCheckBox) c; 133: if (cb.isSelected()) 134: drawCheck(c, g, x, y); 135: } 136: }
GNU Classpath (0.19) |