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1
7
8 package javax.swing.plaf.synth;
9
10 import javax.swing.*;
11 import javax.swing.event.*;
12 import javax.swing.plaf.*;
13 import javax.swing.plaf.basic.*;
14 import javax.swing.border.*;
15
16 import java.applet.Applet  ;
17
18 import java.awt.Component ;
19 import java.awt.Container ;
20 import java.awt.Dimension ;
21 import java.awt.Graphics ;
22 import java.awt.KeyboardFocusManager ;
23 import java.awt.Window ;
24 import java.awt.event.*;
25 import java.awt.AWTEvent ;
26 import java.awt.Toolkit ;
27
28 import java.beans.PropertyChangeListener ;
29 import java.beans.PropertyChangeEvent ;
30
31 import java.util.*;
32 import sun.swing.plaf.synth.SynthUI;
33
34
42 class SynthPopupMenuUI extends BasicPopupMenuUI implements
43 PropertyChangeListener , SynthUI {
44
47 private int maxTextWidth;
48
49
53 private int maxAcceleratorWidth;
54
55 private SynthStyle style;
56
57 public static ComponentUI createUI(JComponent x) {
58 return new SynthPopupMenuUI ();
59 }
60
61 public void installDefaults() {
62 if (popupMenu.getLayout() == null ||
63 popupMenu.getLayout() instanceof UIResource) {
64 popupMenu.setLayout(new DefaultMenuLayout (
65 popupMenu, BoxLayout.Y_AXIS));
66 }
67 updateStyle(popupMenu);
68 }
69
70 private void updateStyle(JComponent c) {
71 SynthContext context = getContext(c, ENABLED);
72 SynthStyle oldStyle = style;
73 style = SynthLookAndFeel.updateStyle(context, this);
74 if (style != oldStyle) {
75 if (oldStyle != null) {
76 uninstallKeyboardActions();
77 installKeyboardActions();
78 }
79 }
80 context.dispose();
81 }
82
83 protected void installListeners() {
84 super.installListeners();
85 popupMenu.addPropertyChangeListener(this);
86 }
87
88 protected void uninstallDefaults() {
89 SynthContext context = getContext(popupMenu, ENABLED);
90
91 style.uninstallDefaults(context);
92 context.dispose();
93 style = null;
94
95 if (popupMenu.getLayout() instanceof UIResource) {
96 popupMenu.setLayout(null);
97 }
98 }
99
100 protected void uninstallListeners() {
101 super.uninstallListeners();
102 popupMenu.removePropertyChangeListener(this);
103 }
104
105 public SynthContext getContext(JComponent c) {
106 return getContext(c, getComponentState(c));
107 }
108
109 private SynthContext getContext(JComponent c, int state) {
110 return SynthContext.getContext(SynthContext .class, c,
111 SynthLookAndFeel.getRegion(c), style, state);
112 }
113
114 private Region getRegion(JComponent c) {
115 return SynthLookAndFeel.getRegion(c);
116 }
117
118 private int getComponentState(JComponent c) {
119 return SynthLookAndFeel.getComponentState(c);
120 }
121
122
125 void resetAcceleratorWidths() {
126 maxTextWidth = maxAcceleratorWidth = 0;
127 }
128
129
135 int adjustTextWidth(int width) {
136 maxTextWidth = Math.max(maxTextWidth, width);
137 return maxTextWidth;
138 }
139
140
146 int adjustAcceleratorWidth(int width) {
147 maxAcceleratorWidth = Math.max(maxAcceleratorWidth, width);
148 return maxAcceleratorWidth;
149 }
150
151
154 int getMaxTextWidth() {
155 return maxTextWidth;
156 }
157
158
161 int getMaxAcceleratorWidth() {
162 return maxAcceleratorWidth;
163 }
164
165 public void update(Graphics g, JComponent c) {
166 SynthContext context = getContext(c);
167
168 SynthLookAndFeel.update(context, g);
169 context.getPainter().paintPopupMenuBackground(context,
170 g, 0, 0, c.getWidth(), c.getHeight());
171 paint(context, g);
172 context.dispose();
173 }
174
175 public void paint(Graphics g, JComponent c) {
176 SynthContext context = getContext(c);
177
178 paint(context, g);
179 context.dispose();
180 }
181
182 protected void paint(SynthContext context, Graphics g) {
183 }
184
185 public void paintBorder(SynthContext context, Graphics g, int x,
186 int y, int w, int h) {
187 context.getPainter().paintPopupMenuBorder(context, g, x, y, w, h);
188 }
189
190 public void propertyChange(PropertyChangeEvent e) {
191 if (SynthLookAndFeel.shouldUpdateStyle(e)) {
192 updateStyle(popupMenu);
193 }
194 }
195 }
196 |
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