1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
|
package org.eclipse.swt.dnd;
import org.eclipse.swt.*;
import org.eclipse.swt.internal.*;
import org.eclipse.swt.internal.photon.*;
import org.eclipse.swt.widgets.*;
/*
* (c) Copyright IBM Corp. 2000, 2001.
* All Rights Reserved
*/
/*
*
* IMPORTANT: This class is <em>not</em> intended to be subclassed.
*
*/
public class Clipboard {
private Display display;
private final int MAX_RETRIES = 10;
public Clipboard(Display display) {
checkSubclass ();
if (display == null) {
display = Display.getCurrent();
if (display == null) {
display = Display.getDefault();
}
}
if (display.getThread() != Thread.currentThread()) {
SWT.error(SWT.ERROR_THREAD_INVALID_ACCESS);
}
this.display = display;
}
protected void checkSubclass () {
String name = getClass().getName ();
String validName = Clipboard.class.getName();
if (!validName.equals(name)) {
DND.error (SWT.ERROR_INVALID_SUBCLASS);
}
}
public void dispose () {
display = null;
}
public Object getContents(Transfer transfer) {
if (display.isDisposed() ) return null;
Object result = null;
int ig = OS.PhInputGroup(0);
int cbdata = OS.PhClipboardPasteStart((short)ig);
if (cbdata == 0) return result;
try {
String[] types = transfer.getTypeNames();
int[] ids = transfer.getTypeIds();
for (int i = 0; i < types.length; i++) {
byte[] type = Converter.wcsToMbcs(null, types[i], true);
int pClipHeader = OS.PhClipboardPasteType(cbdata, type);
if (pClipHeader != 0) {
PhClipHeader clipHeader = new PhClipHeader();
OS.memmove(clipHeader, pClipHeader, PhClipHeader.sizeof);
TransferData data = new TransferData();
data.pData = clipHeader.data;
data.length = clipHeader.length;
data.type = ids[i];
result = transfer.nativeToJava(data);
break;
}
}
} finally {
OS.PhClipboardPasteFinish(cbdata);
}
return result;
}
public void setContents(Object[] data, Transfer[] transferAgents){
if (display.isDisposed() ) return;
if (data == null) {
int ig = OS.PhInputGroup(0);
if (OS.PhClipboardCopy((short)ig, 0, null) != 0) {
DND.error(DND.ERROR_CANNOT_SET_CLIPBOARD);
}
return;
}
if (transferAgents == null || data.length != transferAgents.length) {
DND.error(SWT.ERROR_INVALID_ARGUMENT);
}
byte[] clips = new byte[0];
int count = 0;
for (int i = 0; i < transferAgents.length; i++) {
String[] names = transferAgents[i].getTypeNames();
int[] ids = transferAgents[i].getTypeIds();
for (int j = 0; j < names.length; j++) {
TransferData transferData = new TransferData();
transferData.type = ids[j];
transferAgents[i].javaToNative(data[i], transferData);
PhClipHeader clip = new PhClipHeader();
clip.data = transferData.pData;
clip.length = (short)transferData.length;
byte[] temp = Converter.wcsToMbcs(null, names[j], true);
byte[] type = new byte[8];
System.arraycopy(temp, 0, type, 0, Math.min(type.length, temp.length));
clip.type_0 = type[0];
clip.type_1 = type[1];
clip.type_2 = type[2];
clip.type_3 = type[3];
clip.type_4 = type[4];
clip.type_5 = type[5];
clip.type_6 = type[6];
clip.type_7 = type[7];
byte[] buffer = new byte[PhClipHeader.sizeof];
OS.memmove(buffer, clip, PhClipHeader.sizeof);
byte[] newClips = new byte[clips.length + buffer.length];
System.arraycopy(clips, 0, newClips, 0, clips.length);
System.arraycopy(buffer, 0, newClips, clips.length, buffer.length);
clips = newClips;
count++;
}
}
if (count > 0){
int ig = OS.PhInputGroup(0);
if (OS.PhClipboardCopy((short)ig, count, clips) != 0) {
DND.error(DND.ERROR_CANNOT_SET_CLIPBOARD);
}
}
}
/*
* Note: getAvailableTypeNames is a tool for writing a Transfer sub-class only. It should
* NOT be used within an application because it provides platform specfic
* information.
*/
public String[] getAvailableTypeNames() {
String[] types = new String[0];
int ig = OS.PhInputGroup(0);
int cbdata = OS.PhClipboardPasteStart((short)ig);
if (cbdata == 0) return types;
try {
int pClipHeader = 0;
int n = 0;
while ((pClipHeader = OS.PhClipboardPasteTypeN(cbdata, n++)) != 0) {
PhClipHeader clipHeader = new PhClipHeader();
OS.memmove(clipHeader, pClipHeader, PhClipHeader.sizeof);
byte[] buffer = new byte[8];
buffer[0] = clipHeader.type_0;
buffer[1] = clipHeader.type_1;
buffer[2] = clipHeader.type_2;
buffer[3] = clipHeader.type_3;
buffer[4] = clipHeader.type_4;
buffer[5] = clipHeader.type_5;
buffer[6] = clipHeader.type_6;
buffer[7] = clipHeader.type_7;
char [] unicode = Converter.mbcsToWcs (null, buffer);
String[] newTypes = new String[types.length + 1];
System.arraycopy(types, 0, newTypes, 0, types.length);
newTypes[types.length] = new String (unicode);
types = newTypes;
}
} finally {
OS.PhClipboardPasteFinish(cbdata);
}
return types;
}
}
|
