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1
2
20
21 package javax.microedition.lcdui;
22
23 import com.barteo.emulator.device.DeviceFactory;
24 import com.barteo.emulator.device.InputMethod;
25 import com.barteo.emulator.device.InputMethodEvent;
26 import com.barteo.emulator.device.InputMethodListener;
27
28
29 public class TextBox extends Screen
30 {
31
32 TextField tf;
33
34 InputMethodListener inputMethodListener = new InputMethodListener()
35 {
36
37 public void caretPositionChanged(InputMethodEvent event)
38 {
39 setCaretPosition(event.getCaret());
40 tf.setCaretVisible(true);
41 repaint();
42 }
43
44 public void inputMethodTextChanged(InputMethodEvent event)
45 {
46 tf.setCaretVisible(false);
47 tf.setString(event.getText());
48 repaint();
49 }
50 };
51
52
53 public TextBox(String title, String text, int maxSize, int constraints)
54 {
55 super(title);
56 tf = new TextField(null, text, maxSize, constraints);
57 }
58
59
60 public String getString()
61 {
62 return tf.getString();
63 }
64
65
66 public void setString(String text)
67 {
68 tf.setString(text);
69 }
70
71
72 public int getChars(char[] data)
73 {
74 return tf.getChars(data);
75 }
76
77
78 public void setChars(char[] data, int offset, int length)
79 {
80 tf.setChars(data, offset, length);
81 }
82
83
84 public void insert(String src, int position)
85 {
86 tf.insert(src, position);
87 }
88
89
90 public void insert(char[] data, int offset, int length, int position)
91 {
92 tf.insert(data, offset, length, position);
93 }
94
95
96 public void delete(int offset, int length)
97 {
98 tf.delete(offset, length);
99 }
100
101
102 public int getMaxSize()
103 {
104 return tf.getMaxSize();
105 }
106
107
108 public int setMaxSize(int maxSize)
109 {
110 return tf.setMaxSize(maxSize);
111 }
112
113
114 public int size()
115 {
116 return tf.size();
117 }
118
119
120 public int getCaretPosition()
121 {
122 return tf.getCaretPosition();
123 }
124
125
126 public void setConstraints(int constraints)
127 {
128 tf.setConstraints(constraints);
129 }
130
131
132 public int getConstraints()
133 {
134 return tf.getConstraints();
135 }
136
137
138 void hideNotify()
139 {
140 DeviceFactory.getDevice().getInputMethod().removeInputMethodListener(inputMethodListener);
141 super.hideNotify();
142 }
143
144
145 int paintContent(Graphics g)
146 {
147 g.translate(0, viewPortY);
148 g.drawRect(1, 1,
149 DeviceFactory.getDevice().getDeviceDisplay().getWidth() - 3, viewPortHeight - 3);
150 g.setClip(3, 3,
151 DeviceFactory.getDevice().getDeviceDisplay().getWidth() - 6, viewPortHeight - 6);
152 g.translate(3, 3);
153 g.translate(0, -viewPortY);
154 tf.paintContent(g);
155
156 return tf.stringComponent.getHeight() + 6;
157 }
158
159
160 void setCaretPosition(int position)
161 {
162 tf.setCaretPosition(position);
163
164 StringComponent tmp = tf.stringComponent;
165 if (tmp.getCharPositionY(position) < viewPortY) {
166 viewPortY = tmp.getCharPositionY(position);
167 } else if (tmp.getCharPositionY(position) + tmp.getCharHeight() > viewPortY + viewPortHeight - 6) {
168 viewPortY = tmp.getCharPositionY(position) + tmp.getCharHeight() - (viewPortHeight - 6);
169 }
170 }
171
172
173 int traverse(int gameKeyCode, int top, int bottom)
174 {
175 int traverse = tf.traverse(gameKeyCode, top, bottom, true);
176 if (traverse == Item.OUTOFITEM) {
177 return 0;
178 } else {
179 return traverse;
180 }
181 }
182
183
184 void showNotify()
185 {
186 super.showNotify();
187 InputMethod inputMethod = DeviceFactory.getDevice().getInputMethod();
188 inputMethod.setInputMethodListener(inputMethodListener);
189 inputMethod.setConstraints(getConstraints());
190 inputMethod.setText(getString());
191 inputMethod.setMaxSize(getMaxSize());
192 setCaretPosition(getString().length());
193 tf.setCaretVisible(true);
194 }
195
196 }
197 |
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