diff game/IDMButton.java @ 49:e6da5c71be28

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
parents
children 496e616ff09d
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line diff
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/game/IDMButton.java	Tue Feb 22 10:52:08 2011 +0200
@@ -0,0 +1,116 @@
+/*
+ * Ristipolku IDM button widget
+ * (C) Copyright 2011 Matti 'ccr' Hämäläinen <ccr@tnsp.org>
+ */
+package game;
+
+import java.awt.*;
+import java.awt.event.*;
+import java.awt.image.*;
+import java.awt.geom.*;
+import javax.imageio.*;
+import java.io.*;
+
+
+public class IDMButton extends IDMWidget
+{
+    enum State { FOCUSED, PRESSED, NORMAL }
+    State state;
+    static BufferedImage imgUp, imgPressed;
+    Point pos;
+    Font font;
+    FontMetrics metrics;
+    String text;
+ 
+    public IDMButton(Point pos, int keyCode, Font font, String text)
+    {
+        loadImages();
+        this.pos = pos;
+        this.font = font;
+        this.keyCode = keyCode;
+        this.text = text;
+        state = State.NORMAL;
+    }
+    
+    public IDMButton(int x, int y, int keyCode, Font font, String text)
+    {
+        this(new Point(x, y), keyCode, font, text);
+    }
+    
+    public void move(Point pos)
+    {
+        this.pos = pos;
+    }
+    
+    public void move(int x, int y)
+    {
+        this.pos = new Point(x, y);
+    }
+ 
+    private static void loadImages()
+    {
+        try
+        {
+            ResourceLoader res = new ResourceLoader("graphics/button1_up.png");
+            imgUp = ImageIO.read(res.getStream());
+
+            res = new ResourceLoader("graphics/button1_down.png");
+            imgPressed = ImageIO.read(res.getStream());
+        }
+        catch (IOException e)
+        {
+            System.out.print(e.getMessage());
+        }
+    }
+    
+    public void paint(Graphics2D g)
+    {
+        BufferedImage img;
+        int xoffs, yoffs;
+
+        if (state == State.PRESSED)
+        {
+            img = imgPressed;
+            xoffs = yoffs = 15;
+        }
+        else
+        {
+            xoffs = yoffs = 0;
+            img = imgUp;
+        }
+
+        if (metrics == null)
+            metrics = g.getFontMetrics(font);
+        
+        int textWidth = metrics.stringWidth(text);
+        g.drawImage(img, pos.x + xoffs, pos.y + yoffs, null);
+
+        g.setFont(font);
+        g.setPaint(Color.black);
+        g.drawString(text,
+            pos.x + xoffs + (img.getWidth() - textWidth) / 2,
+            pos.y + yoffs + (img.getHeight() - metrics.getHeight() / 2) / 2);
+    }
+    
+    public boolean contains(Point where)
+    {
+        return (where.x >= pos.x && where.y >= pos.y &&
+                where.x < pos.x + imgUp.getWidth() &&
+                where.y < pos.y + imgUp.getHeight());
+    }
+    
+    public void mousePressed(MouseEvent e)
+    {
+        state = State.PRESSED;
+    }
+
+    public void mouseReleased(MouseEvent e)
+    {
+        super.mouseReleased(e);
+        state = State.NORMAL;
+    }
+
+    public void clicked()
+    {
+    }
+}