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comparison dwtx/draw2d/ClickableEventHandler.d @ 98:95307ad235d9

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Added Draw2d code, still work in progress
author Frank Benoit <benoit@tionex.de>
date Sun, 03 Aug 2008 00:52:14 +0200
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96:b492ba44e44d 98:95307ad235d9
1 /*******************************************************************************
2 * Copyright (c) 2000, 2005 IBM Corporation and others.
3 * All rights reserved. This program and the accompanying materials
4 * are made available under the terms of the Eclipse Public License v1.0
5 * which accompanies this distribution, and is available at
6 * http://www.eclipse.org/legal/epl-v10.html
7 *
8 * Contributors:
9 * IBM Corporation - initial API and implementation
10 * Port to the D programming language:
11 * Frank Benoit <benoit@tionex.de>
12 *******************************************************************************/
13 module dwtx.draw2d.ClickableEventHandler;
14
15 import dwt.dwthelper.utils;
16 import dwtx.draw2d.MouseMotionListener;
17 import dwtx.draw2d.MouseEvent;
18 import dwtx.draw2d.KeyEvent;
19 import dwtx.draw2d.FocusEvent;
20 import dwtx.draw2d.KeyListener;
21 import dwtx.draw2d.FocusListener;
22 import dwtx.draw2d.IFigure;
23 import dwtx.draw2d.ChangeEvent;
24 import dwtx.draw2d.ChangeListener;
25 import dwtx.draw2d.MouseListener;
26 import dwtx.draw2d.FigureListener;
27 import dwtx.draw2d.Clickable;
28 import dwtx.draw2d.ButtonModel;
29
30
31 class ClickableEventHandler
32 : MouseMotionListener.Stub
33 ,
34 MouseListener,
35 FigureListener,
36 ChangeListener,
37 KeyListener,
38 FocusListener
39 {
40
41 private MouseEvent lastEvent;
42
43 public void focusLost(FocusEvent fe) {
44 Clickable loser = cast(Clickable)fe.loser;
45 loser.repaint();
46 loser.getModel().setArmed(false);
47 loser.getModel().setPressed(false);
48 }
49
50 public void focusGained(FocusEvent fe) {
51 Clickable clickable = cast(Clickable)fe.gainer;
52 clickable.repaint();
53 }
54
55 public void figureMoved(IFigure source) {
56 if (lastEvent is null)
57 return;
58 mouseDragged(lastEvent);
59 }
60
61 public void handleStateChanged(ChangeEvent change) {
62 Clickable clickable = cast(Clickable)change.getSource();
63 if (change.getPropertyName() is ButtonModel.MOUSEOVER_PROPERTY
64 && !clickable.isRolloverEnabled())
65 return;
66 clickable.repaint();
67 }
68
69 public void mouseDoubleClicked(MouseEvent me) { }
70
71 public void mouseDragged(MouseEvent me) {
72 lastEvent = me;
73 Clickable click = cast(Clickable)me.getSource();
74 ButtonModel model = click.getModel();
75 if (model.isPressed()) {
76 bool over = click.containsPoint(me.getLocation());
77 model.setArmed(over);
78 model.setMouseOver(over);
79 }
80 }
81
82 public void mouseEntered(MouseEvent me) {
83 Clickable click = cast(Clickable)me.getSource();
84 click.getModel().setMouseOver(true);
85 click.addFigureListener(this);
86 }
87
88 public void mouseExited(MouseEvent me) {
89 Clickable click = cast(Clickable)me.getSource();
90 click.getModel().setMouseOver(false);
91 click.removeFigureListener(this);
92 }
93
94 public void mouseMoved(MouseEvent me) { }
95
96 public void mousePressed(MouseEvent me) {
97 if (me.button !is 1)
98 return;
99 lastEvent = me;
100 Clickable click = cast(Clickable)me.getSource();
101 ButtonModel model = click.getModel();
102 click.requestFocus();
103 model.setArmed(true);
104 model.setPressed(true);
105 me.consume();
106 }
107
108 public void mouseReleased(MouseEvent me) {
109 if (me.button !is 1)
110 return;
111 ButtonModel model = (cast(Clickable)me.getSource()).getModel();
112 if (!model.isPressed())
113 return;
114 model.setPressed(false);
115 model.setArmed(false);
116 me.consume();
117 }
118
119 public void keyPressed(KeyEvent ke) {
120 ButtonModel model = (cast(Clickable)ke.getSource()).getModel();
121 if (ke.character is ' ' || ke.character is '\r') {
122 model.setPressed(true);
123 model.setArmed(true);
124 }
125 }
126
127 public void keyReleased(KeyEvent ke) {
128 ButtonModel model = (cast(Clickable)ke.getSource()).getModel();
129 if (ke.character is ' ' || ke.character is '\r') {
130 model.setPressed(false);
131 model.setArmed(false);
132 }
133 }
134
135 }