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comparison user/dragdrop/texttolabel.d @ 32:200a229be5ca

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Added menu and sash Snippets. textdragdrop to the user section.
author Jesse Phillips <Jesse.K.Phillips+D@gmail.com>
date Tue, 04 Mar 2008 15:57:21 -0800
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children 8ee0dfe6f685
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31:5478bda2ae7f 32:200a229be5ca
1 module user.dragdrop.texttolabel;
2
3 /**
4 * Original
5 * http://www.java2s.com/Tutorial/Java/0280__SWT/DragselectedtextinTexttoLabel.htm
6 *
7 * Drag sellected text to a label.
8 *
9 * Port to the D programming language:
10 * Jesse Phillips <Jesse.K.Phillips+D> gmail.com
11 *
12 */
13
14 import dwt.DWT;
15 import dwt.DWTException;
16 import dwt.dnd.DND;
17 import dwt.dnd.DragSource;
18 import dwt.dnd.DragSourceAdapter;
19 import dwt.dnd.DragSourceEvent;
20 import dwt.dnd.DropTarget;
21 import dwt.dnd.DropTargetAdapter;
22 import dwt.dnd.DropTargetEvent;
23 import dwt.dnd.TextTransfer;
24 import dwt.dnd.Transfer;
25 import dwt.widgets.Display;
26 import dwt.widgets.Label;
27 import dwt.widgets.Shell;
28 import dwt.widgets.Text;
29
30 import tango.io.Stdout;
31
32 void main() {
33 auto display = new Display();
34 auto shell = new Shell(display);
35
36 auto text = new Text(shell, DWT.BORDER|DWT.SINGLE);
37
38 int i = 0;
39
40 auto types = new Transfer[1];
41 types[0] = TextTransfer.getInstance();
42 auto source = new DragSource(text, DND.DROP_MOVE | DND.DROP_COPY);
43 source.setTransfer(types);
44
45 source.addDragListener(new class DragSourceAdapter {
46 public void dragSetData(DragSourceEvent event) {
47 // Get the selected items in the drag source
48 DragSource ds = cast(DragSource) event.widget;
49 Text text = cast(Text) ds.getControl();
50
51 event.data = new ArrayWrapperString(text.getSelectionText());
52 }
53 });
54
55 auto label = new Label(shell, DWT.BORDER);
56 // Create the drop target
57 auto target = new DropTarget(label, DND.DROP_MOVE | DND.DROP_COPY | DND.DROP_DEFAULT);
58 target.setTransfer(types);
59 target.addDropListener(new class DropTargetAdapter {
60 public void dragEnter(DropTargetEvent event) {
61 if (event.detail == DND.DROP_DEFAULT) {
62 event.detail = (event.operations & DND.DROP_COPY) != 0 ? DND.DROP_COPY : DND.DROP_NONE;
63 }
64
65 // Allow dropping text only
66 foreach (dataType; event.dataTypes) {
67 if (TextTransfer.getInstance().isSupportedType(dataType)) {
68 event.currentDataType = dataType;
69 }
70 }
71 }
72
73 public void dragOver(DropTargetEvent event) {
74 event.feedback = DND.FEEDBACK_SELECT | DND.FEEDBACK_SCROLL;
75 }
76 public void drop(DropTargetEvent event) {
77 if (TextTransfer.getInstance().isSupportedType(event.currentDataType)) {
78 // Get the dropped data
79 DropTarget target = cast(DropTarget) event.widget;
80 Label label = cast(Label) target.getControl();
81 auto data = cast(ArrayWrapperString) event.data;
82
83 label.setText(data.array);
84 label.redraw();
85 }
86 }
87 });
88
89 text.setBounds(10,10,100,25);
90 label.setBounds(10,55,100,25);
91 shell.setSize(300, 200);
92 shell.open();
93
94 while (!shell.isDisposed()) {
95 if (!display.readAndDispatch()) {
96 display.sleep();
97 }
98 }
99 display.dispose();
100 }