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comparison game/IDMButton.java @ 49:e6da5c71be28

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Add more code to IDM widgets, do preliminary work for integrating them.
author Matti Hamalainen <ccr@tnsp.org>
date Tue, 22 Feb 2011 10:52:08 +0200
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children 496e616ff09d
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48:f13bab4cccd3 49:e6da5c71be28
1 /*
2 * Ristipolku IDM button widget
3 * (C) Copyright 2011 Matti 'ccr' Hämäläinen <ccr@tnsp.org>
4 */
5 package game;
6
7 import java.awt.*;
8 import java.awt.event.*;
9 import java.awt.image.*;
10 import java.awt.geom.*;
11 import javax.imageio.*;
12 import java.io.*;
13
14
15 public class IDMButton extends IDMWidget
16 {
17 enum State { FOCUSED, PRESSED, NORMAL }
18 State state;
19 static BufferedImage imgUp, imgPressed;
20 Point pos;
21 Font font;
22 FontMetrics metrics;
23 String text;
24
25 public IDMButton(Point pos, int keyCode, Font font, String text)
26 {
27 loadImages();
28 this.pos = pos;
29 this.font = font;
30 this.keyCode = keyCode;
31 this.text = text;
32 state = State.NORMAL;
33 }
34
35 public IDMButton(int x, int y, int keyCode, Font font, String text)
36 {
37 this(new Point(x, y), keyCode, font, text);
38 }
39
40 public void move(Point pos)
41 {
42 this.pos = pos;
43 }
44
45 public void move(int x, int y)
46 {
47 this.pos = new Point(x, y);
48 }
49
50 private static void loadImages()
51 {
52 try
53 {
54 ResourceLoader res = new ResourceLoader("graphics/button1_up.png");
55 imgUp = ImageIO.read(res.getStream());
56
57 res = new ResourceLoader("graphics/button1_down.png");
58 imgPressed = ImageIO.read(res.getStream());
59 }
60 catch (IOException e)
61 {
62 System.out.print(e.getMessage());
63 }
64 }
65
66 public void paint(Graphics2D g)
67 {
68 BufferedImage img;
69 int xoffs, yoffs;
70
71 if (state == State.PRESSED)
72 {
73 img = imgPressed;
74 xoffs = yoffs = 15;
75 }
76 else
77 {
78 xoffs = yoffs = 0;
79 img = imgUp;
80 }
81
82 if (metrics == null)
83 metrics = g.getFontMetrics(font);
84
85 int textWidth = metrics.stringWidth(text);
86 g.drawImage(img, pos.x + xoffs, pos.y + yoffs, null);
87
88 g.setFont(font);
89 g.setPaint(Color.black);
90 g.drawString(text,
91 pos.x + xoffs + (img.getWidth() - textWidth) / 2,
92 pos.y + yoffs + (img.getHeight() - metrics.getHeight() / 2) / 2);
93 }
94
95 public boolean contains(Point where)
96 {
97 return (where.x >= pos.x && where.y >= pos.y &&
98 where.x < pos.x + imgUp.getWidth() &&
99 where.y < pos.y + imgUp.getHeight());
100 }
101
102 public void mousePressed(MouseEvent e)
103 {
104 state = State.PRESSED;
105 }
106
107 public void mouseReleased(MouseEvent e)
108 {
109 super.mouseReleased(e);
110 state = State.NORMAL;
111 }
112
113 public void clicked()
114 {
115 }
116 }