[1097] | 1 | package org.expeditee.gio.input;
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| 2 |
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| 3 | import org.expeditee.core.Line;
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| 4 |
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| 5 | public class KBMInputEvent extends InputEvent {
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| 6 |
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| 7 | public enum EventType {
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| 8 | MOUSE_BUTTON_DOWN,
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| 9 | MOUSE_BUTTON_UP,
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| 10 | MOUSE_MOVE,
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| 11 | MOUSE_WHEEL_SCROLL,
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| 12 | KEY_DOWN,
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| 13 | KEY_UP,
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| 14 | CHAR_TYPED
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| 15 | }
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| 16 |
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| 17 | /**
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| 18 | * Enumerates the mouse buttons of interest to Expeditee.
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| 19 | */
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| 20 | public enum MouseButton {
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| 21 | LEFT,
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| 22 | MIDDLE,
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| 23 | RIGHT
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| 24 | }
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| 25 |
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| 26 | /**
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| 27 | * Enumerates the keyboard keys of interest to Expeditee.
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| 28 | */
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| 29 | public enum Key {
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| 30 | SHIFT,CTRL,ALT,
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| 31 | ESC,
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| 32 | F1,F2,F3,F4,F5,F6,F7,F8,F9,F10,F11,F12,
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| 33 | UP_ARROW,DOWN_ARROW,LEFT_ARROW,RIGHT_ARROW,
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| 34 | HOME,END,
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| 35 | DELETE,
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| 36 | PAGE_UP,PAGE_DOWN,
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| 37 | BACKSPACE,
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| 38 | TAB,
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[1415] | 39 | ENTER,
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[1097] | 40 | A,B,C,D,E,F,G,H,I,J,K,L,M,N,O,P,Q,R,S,T,U,V,W,X,Y,Z
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| 41 | }
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| 42 |
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| 43 | private EventType _eventType;
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| 44 | private Object _eventData;
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| 45 |
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| 46 | public KBMInputEvent(EventType type, Object data) throws Exception
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| 47 | {
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| 48 | super(InputEvent.InputType.KBM);
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| 49 | _eventType = type;
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| 50 | _eventData = data;
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| 51 | checkData();
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| 52 | }
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| 53 |
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| 54 | public EventType getEventType()
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| 55 | {
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| 56 | return _eventType;
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| 57 | }
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| 58 |
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| 59 | public Object getData()
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| 60 | {
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| 61 | return _eventData;
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| 62 | }
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| 63 |
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| 64 | /** Gets the key that went down if this is a key-down event. */
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| 65 | public Key getKeyDown()
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| 66 | {
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| 67 | if (_eventType == EventType.KEY_DOWN) return (Key) _eventData;
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| 68 |
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| 69 | return null;
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| 70 | }
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| 71 |
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| 72 | /** Gets the key that went up if this is a key-up event. */
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| 73 | public Key getKeyUp()
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| 74 | {
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| 75 | if (_eventType == EventType.KEY_UP) return (Key) _eventData;
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| 76 |
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| 77 | return null;
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| 78 | }
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| 79 |
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| 80 | /**
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| 81 | * Gets the name of the key that was pressed/released.
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| 82 | * Returns the empty string if this is not a key event.
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| 83 | */
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| 84 | public String getKeyText()
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| 85 | {
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| 86 | Key key = getKeyDown();
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| 87 | if (key == null) key = getKeyUp();
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| 88 | if (key == null) return "";
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| 89 | return key.name();
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| 90 | }
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| 91 |
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| 92 | /** Gets the character that was typed if this is a CHAR_TYPED event. */
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| 93 | public Character getCharTyped()
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| 94 | {
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| 95 | if (_eventType == EventType.CHAR_TYPED) return (Character) _eventData;
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| 96 |
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| 97 | return null;
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| 98 | }
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| 99 |
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| 100 | /** Gets the mouse button that went down if this is a mouse-button-down event. */
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| 101 | public MouseButton getMouseButtonDown()
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| 102 | {
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| 103 | if (_eventType == EventType.MOUSE_BUTTON_DOWN) return (MouseButton) _eventData;
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| 104 |
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| 105 | return null;
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| 106 | }
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| 107 |
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| 108 | /** Gets the mouse button that went up if this is a mouse-button-up event. */
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| 109 | public MouseButton getMouseButtonUp()
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| 110 | {
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| 111 | if (_eventType == EventType.MOUSE_BUTTON_UP) return (MouseButton) _eventData;
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| 112 |
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| 113 | return null;
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| 114 | }
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| 115 |
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| 116 | /** Gets the position of the mouse if this is a mouse-move event. */
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| 117 | public Line getMouseMove()
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| 118 | {
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| 119 | if (_eventType == EventType.MOUSE_MOVE) return (Line) _eventData;
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| 120 |
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| 121 | return null;
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| 122 | }
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| 123 |
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| 124 | private void checkData() throws Exception
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| 125 | {
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| 126 | if (_eventType == null) throw new Exception("No event type specified");
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| 127 | if (_eventData == null) throw new Exception("No event data specified");
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| 128 |
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| 129 | switch (_eventType) {
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| 130 | case MOUSE_BUTTON_DOWN:
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| 131 | case MOUSE_BUTTON_UP:
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| 132 | if (!(_eventData instanceof MouseButton)) throw new Exception("MouseButton data expected");
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| 133 | break;
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| 134 | case KEY_DOWN:
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| 135 | case KEY_UP:
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| 136 | if (!(_eventData instanceof Key)) throw new Exception("Key data expected");
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| 137 | break;
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| 138 | case CHAR_TYPED:
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| 139 | if (!(_eventData instanceof Character)) throw new Exception("Character data expected");
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| 140 | break;
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| 141 | case MOUSE_MOVE:
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| 142 | if (!(_eventData instanceof Line)) throw new Exception("Line data expected");
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| 143 | break;
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| 144 | case MOUSE_WHEEL_SCROLL:
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| 145 | if (!(_eventData instanceof Integer)) throw new Exception("Integer data expected");
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| 146 | break;
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| 147 | }
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| 148 | }
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| 149 |
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| 150 | @Override
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| 151 | public String toString()
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| 152 | {
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| 153 | return _eventType.toString() + " event : Data = " + _eventData.toString();
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| 154 | }
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| 155 | }
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