Mercurial > hg > ristipolku
annotate game/IDMButton.java @ 51:f81f76458b92
Work on widgets.
author | Matti Hamalainen <ccr@tnsp.org> |
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date | Wed, 23 Feb 2011 02:49:07 +0200 |
parents | 496e616ff09d |
children | bca0112851d6 |
rev | line source |
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1 /* |
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2 * Ristipolku IDM button widget |
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3 * (C) Copyright 2011 Matti 'ccr' Hämäläinen <ccr@tnsp.org> |
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4 */ |
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5 package game; |
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6 |
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7 import java.awt.*; |
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8 import java.awt.event.*; |
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9 import java.awt.image.*; |
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10 import java.awt.geom.*; |
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11 import javax.imageio.*; |
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12 import java.io.*; |
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13 |
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14 |
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15 public class IDMButton extends IDMWidget |
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16 { |
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17 enum State { FOCUSED, PRESSED, NORMAL } |
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18 State state; |
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19 static BufferedImage imgUp, imgPressed; |
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20 Font font; |
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21 FontMetrics metrics; |
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22 String text; |
50 | 23 boolean active; |
49
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24 |
51 | 25 public IDMButton(IDMPoint pos, int keyCode, Font font, String text) |
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26 { |
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27 loadImages(); |
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28 this.pos = pos; |
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29 this.font = font; |
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30 this.keyCode = keyCode; |
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31 this.text = text; |
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32 state = State.NORMAL; |
50 | 33 active = false; |
49
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34 } |
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35 |
51 | 36 public IDMButton(float x, float y, int keyCode, Font font, String text) |
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37 { |
51 | 38 this(new IDMPoint(x, y), keyCode, font, text); |
49
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39 } |
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40 |
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41 private static void loadImages() |
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42 { |
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43 try |
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44 { |
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45 ResourceLoader res = new ResourceLoader("graphics/button1_up.png"); |
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46 imgUp = ImageIO.read(res.getStream()); |
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47 |
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48 res = new ResourceLoader("graphics/button1_down.png"); |
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49 imgPressed = ImageIO.read(res.getStream()); |
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50 } |
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51 catch (IOException e) |
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52 { |
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53 System.out.print(e.getMessage()); |
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54 } |
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55 } |
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56 |
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57 public void paint(Graphics2D g) |
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58 { |
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59 BufferedImage img; |
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60 int xoffs, yoffs; |
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61 |
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62 if (state == State.PRESSED) |
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63 { |
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64 img = imgPressed; |
50 | 65 xoffs = yoffs = 5; |
49
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66 } |
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67 else |
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68 { |
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69 xoffs = yoffs = 0; |
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70 img = imgUp; |
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71 } |
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72 |
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73 if (metrics == null) |
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74 metrics = g.getFontMetrics(font); |
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75 |
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76 int textWidth = metrics.stringWidth(text); |
51 | 77 g.drawImage(img, getScaledX() + xoffs, getScaledY() + yoffs, null); |
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78 |
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79 g.setFont(font); |
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80 g.setPaint(Color.black); |
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81 g.drawString(text, |
51 | 82 getScaledX() + xoffs * 2 + (img.getWidth() - textWidth) / 2, |
83 getScaledY() + yoffs * 2 + img.getHeight() / 2); | |
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84 } |
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85 |
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86 public boolean contains(Point where) |
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87 { |
51 | 88 return (where.x >= getScaledX() && where.y >= getScaledY() && |
89 where.x < getScaledX() + imgUp.getWidth() && | |
90 where.y < getScaledY() + imgUp.getHeight()); | |
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91 } |
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92 |
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93 public void mousePressed(MouseEvent e) |
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94 { |
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95 state = State.PRESSED; |
50 | 96 active = true; |
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97 } |
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98 |
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99 public void mouseReleased(MouseEvent e) |
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100 { |
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101 super.mouseReleased(e); |
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102 state = State.NORMAL; |
50 | 103 active = false; |
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104 } |
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105 |
50 | 106 public void mouseEntered(MouseEvent e) |
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107 { |
50 | 108 if (active) |
109 state = State.PRESSED; | |
110 } | |
111 | |
112 public void mouseExited(MouseEvent e) | |
113 { | |
51 | 114 if (active) |
115 state = State.NORMAL; | |
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116 } |
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117 } |