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annotate user/dragdrop/texttolabel.d @ 39:8ee0dfe6f685

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Snippet134 with non rectangular shell. Some more minor fixes.
author Frank Benoit <benoit@tionex.de>
date Thu, 13 Mar 2008 23:53:38 +0100
parents 200a229be5ca
children
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200a229be5ca Added menu and sash Snippets. textdragdrop to the user section.
Jesse Phillips <Jesse.K.Phillips+D@gmail.com>
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1 module user.dragdrop.texttolabel;
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2
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3 /**
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4 * Original
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5 * http://www.java2s.com/Tutorial/Java/0280__SWT/DragselectedtextinTexttoLabel.htm
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6 *
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7 * Drag sellected text to a label.
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8ee0dfe6f685 Snippet134 with non rectangular shell. Some more minor fixes.
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8 *
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9 * Port to the D programming language:
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10 * Jesse Phillips <Jesse.K.Phillips+D> gmail.com
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11 *
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12 */
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13
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14 import dwt.DWT;
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15 import dwt.DWTException;
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16 import dwt.dnd.DND;
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17 import dwt.dnd.DragSource;
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18 import dwt.dnd.DragSourceAdapter;
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19 import dwt.dnd.DragSourceEvent;
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20 import dwt.dnd.DropTarget;
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21 import dwt.dnd.DropTargetAdapter;
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22 import dwt.dnd.DropTargetEvent;
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23 import dwt.dnd.TextTransfer;
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24 import dwt.dnd.Transfer;
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25 import dwt.widgets.Display;
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26 import dwt.widgets.Label;
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27 import dwt.widgets.Shell;
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28 import dwt.widgets.Text;
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29 import dwt.dwthelper.utils;
32
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31 import tango.io.Stdout;
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32
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33 void main() {
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34 auto display = new Display();
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35 auto shell = new Shell(display);
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37 auto text = new Text(shell, DWT.BORDER|DWT.SINGLE);
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38
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39 int i = 0;
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40
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41 auto types = new Transfer[1];
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42 types[0] = TextTransfer.getInstance();
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43 auto source = new DragSource(text, DND.DROP_MOVE | DND.DROP_COPY);
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44 source.setTransfer(types);
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8ee0dfe6f685 Snippet134 with non rectangular shell. Some more minor fixes.
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46 source.addDragListener(new class DragSourceAdapter {
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47 public void dragSetData(DragSourceEvent event) {
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48 // Get the selected items in the drag source
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49 DragSource ds = cast(DragSource) event.widget;
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50 Text text = cast(Text) ds.getControl();
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51
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52 event.data = new ArrayWrapperString(text.getSelectionText());
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53 }
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54 });
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55
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56 auto label = new Label(shell, DWT.BORDER);
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57 // Create the drop target
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58 auto target = new DropTarget(label, DND.DROP_MOVE | DND.DROP_COPY | DND.DROP_DEFAULT);
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59 target.setTransfer(types);
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60 target.addDropListener(new class DropTargetAdapter {
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61 public void dragEnter(DropTargetEvent event) {
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62 if (event.detail == DND.DROP_DEFAULT) {
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63 event.detail = (event.operations & DND.DROP_COPY) != 0 ? DND.DROP_COPY : DND.DROP_NONE;
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64 }
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65
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66 // Allow dropping text only
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67 foreach (dataType; event.dataTypes) {
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68 if (TextTransfer.getInstance().isSupportedType(dataType)) {
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69 event.currentDataType = dataType;
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70 }
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71 }
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72 }
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73
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74 public void dragOver(DropTargetEvent event) {
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75 event.feedback = DND.FEEDBACK_SELECT | DND.FEEDBACK_SCROLL;
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76 }
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77 public void drop(DropTargetEvent event) {
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78 if (TextTransfer.getInstance().isSupportedType(event.currentDataType)) {
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79 // Get the dropped data
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80 DropTarget target = cast(DropTarget) event.widget;
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81 Label label = cast(Label) target.getControl();
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82 auto data = cast(ArrayWrapperString) event.data;
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83
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84 label.setText(data.array);
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85 label.redraw();
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86 }
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87 }
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88 });
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89
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90 text.setBounds(10,10,100,25);
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91 label.setBounds(10,55,100,25);
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92 shell.setSize(300, 200);
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93 shell.open();
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94
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95 while (!shell.isDisposed()) {
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96 if (!display.readAndDispatch()) {
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97 display.sleep();
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98 }
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99 }
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100 display.dispose();
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101 }