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19
24
25 package org.netbeans.swing.plaf.aqua;
26
27 import javax.swing.*;
28 import javax.swing.event.ChangeEvent  ;
29 import javax.swing.event.ChangeListener ;
30 import javax.swing.plaf.ButtonUI ;
31 import javax.swing.plaf.basic.BasicButtonListener ;
32 import java.awt.*;
33 import java.awt.image.BufferedImage ;
34
35
39 class AquaToolBarButtonUI extends ButtonUI implements ChangeListener {
40 private static BasicButtonListener listener =
41 new BasicButtonListener (null);
42
43
44 public AquaToolBarButtonUI() {
45 }
46
47 public void installUI (JComponent c) {
48 AbstractButton b = (AbstractButton) c;
49 b.addMouseListener (listener);
50 b.addChangeListener(this);
51 b.setContentAreaFilled(false);
52 b.setOpaque(false);
53 b.setFocusable(false);
54 b.setBorderPainted(false);
55 b.setBorder (BorderFactory.createEmptyBorder());
56 }
57
58 public void uninstallUI(JComponent c) {
59 c.removeMouseListener (listener);
60 }
61
62 public void stateChanged(ChangeEvent e) {
63 ((AbstractButton) e.getSource()).repaint();
64 }
65
66 private final Rectangle scratch = new Rectangle();
67 public void paint (Graphics g, JComponent c) {
68 Rectangle r = c.getBounds(scratch);
69 AbstractButton b = (AbstractButton) c;
70 r.x = 0;
71 r.y = 0;
72 Paint temp = ((Graphics2D) g).getPaint();
73 paintBackground ((Graphics2D)g, b, r);
74 paintIcon (g, b, r);
75 paintText (g, b, r);
76 ((Graphics2D) g).setPaint(temp);
77 }
78
79
80 private FontMetrics fm = null; private void paintText (Graphics g, AbstractButton b, Rectangle r) {
82 String s = b.getText();
83 if (s == null || s.length() == 0) {
84 return;
85 }
86 g.setColor (b.getForeground());
87 Font f = b.getFont();
88 if (b.isSelected()) {
89 f = new Font(f.getName(), Font.BOLD, f.getSize());
91 }
92 g.setFont (f);
93 FontMetrics fm = g.getFontMetrics();
94 if (this.fm == null) {
95 this.fm = fm;
96 }
97 int x = 0;
98 Icon ic = b.getIcon();
99 if (ic != null) {
100 x = ic.getIconWidth() + 2;
101 } else {
102 int w = fm.stringWidth (s);
103 if (w <= r.width) {
104 x = (r.width / 2) - (w / 2);
105 }
106 }
107 int h = fm.getHeight();
108 int y = fm.getMaxAscent();
109 if (h <= r.height) {
110 y += (r.height / 2) - (h / 2);
111 }
112 g.drawString (s, x, y);
113 }
114
115 private void paintBackground (Graphics2D g, AbstractButton b, Rectangle r) {
116 if (!b.isEnabled()) {
117 } else if (b.getModel().isPressed()) {
118 compositeColor (g, r, Color.BLUE, 0.3f);
119 } else if (b.getModel().isSelected()) {
120 compositeColor (g, r, new Color (0, 120, 255), 0.2f);;
121 }
122 }
123
124 private void compositeColor (Graphics2D g, Rectangle r, Color c, float alpha) {
125 g.setColor (c);
126 Composite comp = g.getComposite();
127
128 g.setComposite(AlphaComposite.getInstance(
129 AlphaComposite.SRC_OVER, alpha));
130
131 g.fillRect (r.x, r.y, r.width, r.height);
132 g.setComposite(comp);
133 }
134
135
136 private static boolean isFirst (AbstractButton b) {
137 if (b.getParent() != null && b.getParent().getComponentCount() > 1) {
138 return b == b.getParent().getComponent(1);
141 } else {
142 return false;
143 }
144 }
145
146 private void paintIcon (Graphics g, AbstractButton b, Rectangle r) {
147 Icon ic = getIconForState (b);
148 boolean noText = b.getText() == null || b.getText().length() == 0;
149 if (ic != null) {
150 int iconX = 0;
151 int iconY = 0;
152 int iconW = ic.getIconWidth();
153 int iconH = ic.getIconHeight();
154
155 if (iconW <= r.width && noText) {
156 iconX = (r.width / 2) - (iconW / 2);
157 }
158 if (iconH <= r.height) {
159 iconY = (r.height / 2) - (iconH / 2);
160 }
161 ic.paintIcon(b, g, iconX, iconY);
162 }
163 }
164
165 private Icon getIconForState (AbstractButton b) {
166 ButtonModel mdl = b.getModel();
167 Icon result = null;
168 if (!b.isEnabled()) {
169 result = mdl.isSelected() ? b.getDisabledSelectedIcon() : b.getDisabledIcon();
170 if (result == null && mdl.isSelected()) {
171 result = b.getDisabledIcon();
172 }
173 } else {
174 if (mdl.isArmed() && !mdl.isPressed()) {
175 result = mdl.isSelected() ? b.getRolloverSelectedIcon() : b.getRolloverIcon();
176 if (result == null & mdl.isSelected()) {
177 result = b.getRolloverIcon();
178 }
179 }
180 if (mdl.isPressed()) {
181 result = b.getPressedIcon();
182 } else if (mdl.isSelected()) {
183 result = b.getSelectedIcon();
184 }
185 }
186 if (result == null) {
187 result = b.getIcon();
188 }
189 return result;
190 }
191
192 private static final int minButtonSize = 32;
193 public Dimension getPreferredSize(JComponent c) {
194 AbstractButton b = (AbstractButton) c;
195
196 boolean noText =
197 b.getText() == null ||
198 b.getText().length() == 0;
199
200 Icon ic = getIconForState((AbstractButton) c);
201 int w = isFirst(b) ? 0 : minButtonSize;
202 Dimension result = ic == null ? new Dimension (noText ? 32 : 0, minButtonSize) :
203 new Dimension(Math.max(w, ic.getIconWidth()+1),
204 Math.max(minButtonSize,ic.getIconHeight() + 1));
205
206 if (!noText) {
207 FontMetrics fm = this.fm;
208 if (fm == null && c.getGraphicsConfiguration() != null) {
209 fm = c.getGraphicsConfiguration().createCompatibleImage(1,1)
210 .getGraphics().getFontMetrics(c.getFont());
211 }
212 if (fm == null) {
213 fm = new BufferedImage (1, 1,
215 BufferedImage.TYPE_INT_RGB).getGraphics().getFontMetrics(c.getFont());
216 }
217 result.width += fm.stringWidth(b.getText());
218 }
219 return result;
220 }
221 }
222 |
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