1 /*
2 * Copyright (c) 2002, 2008, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25 package javax.swing.plaf.synth;
26
27 import java.awt.*;
28 import javax.swing.*;
29 import javax.swing.plaf.UIResource;
30
31 /**
32 * JButton object that draws a scaled Arrow in one of the cardinal directions.
33 *
34 * @author Scott Violet
35 */
36 class SynthArrowButton extends JButton implements SwingConstants, UIResource {
37 private int direction;
38
39 public SynthArrowButton(int direction) {
40 super();
41 super.setFocusable(false);
42 setDirection(direction);
43 setDefaultCapable(false);
44 }
45
46 public String getUIClassID() {
47 return "ArrowButtonUI";
48 }
49
50 public void updateUI() {
51 setUI(new SynthArrowButtonUI());
52 }
53
54 public void setDirection(int dir) {
55 direction = dir;
56 putClientProperty("__arrow_direction__", Integer.valueOf(dir));
57 repaint();
58 }
59
60 public int getDirection() {
61 return direction;
62 }
63
64 public void setFocusable(boolean focusable) {}
65
66 private static class SynthArrowButtonUI extends SynthButtonUI {
67 protected void installDefaults(AbstractButton b) {
68 super.installDefaults(b);
69 updateStyle(b);
70 }
71
72 protected void paint(SynthContext context, Graphics g) {
73 SynthArrowButton button = (SynthArrowButton)context.
74 getComponent();
75 context.getPainter().paintArrowButtonForeground(
76 context, g, 0, 0, button.getWidth(), button.getHeight(),
77 button.getDirection());
78 }
79
80 void paintBackground(SynthContext context, Graphics g, JComponent c) {
81 context.getPainter().paintArrowButtonBackground(context, g, 0, 0,
82 c.getWidth(), c.getHeight());
83 }
84
85 public void paintBorder(SynthContext context, Graphics g, int x,
86 int y, int w, int h) {
87 context.getPainter().paintArrowButtonBorder(context, g, x, y, w,h);
88 }
89
90 public Dimension getMinimumSize() {
91 return new Dimension(5, 5);
92 }
93
94 public Dimension getMaximumSize() {
95 return new Dimension(Integer.MAX_VALUE, Integer.MAX_VALUE);
96 }
97
98 public Dimension getPreferredSize(JComponent c) {
99 SynthContext context = getContext(c);
100 Dimension dim = null;
101 if (context.getComponent().getName() == "ScrollBar.button") {
102 // ScrollBar arrow buttons can be non-square when
103 // the ScrollBar.squareButtons property is set to FALSE
104 // and the ScrollBar.buttonSize property is non-null
105 dim = (Dimension)
106 context.getStyle().get(context, "ScrollBar.buttonSize");
107 }
108 if (dim == null) {
109 // For all other cases (including Spinner, ComboBox), we will
110 // fall back on the single ArrowButton.size value to create
111 // a square return value
112 int size =
113 context.getStyle().getInt(context, "ArrowButton.size", 16);
114 dim = new Dimension(size, size);
115 }
116
117 // handle scaling for sizeVarients for special case components. The
118 // key "JComponent.sizeVariant" scales for large/small/mini
119 // components are based on Apples LAF
120 Container parent = context.getComponent().getParent();
121 if (parent instanceof JComponent && !(parent instanceof JComboBox)) {
122 Object scaleKey = ((JComponent)parent).
123 getClientProperty("JComponent.sizeVariant");
124 if (scaleKey != null){
125 if ("large".equals(scaleKey)){
126 dim = new Dimension(
127 (int)(dim.width * 1.15),
128 (int)(dim.height * 1.15));
129 } else if ("small".equals(scaleKey)){
130 dim = new Dimension(
131 (int)(dim.width * 0.857),
132 (int)(dim.height * 0.857));
133 } else if ("mini".equals(scaleKey)){
134 dim = new Dimension(
135 (int)(dim.width * 0.714),
136 (int)(dim.height * 0.714));
137 }
138 }
139 }
140
141 context.dispose();
142 return dim;
143 }
144 }
145 }