Mercurial > hg > ristipolku
view game/IDMWidget.java @ 62:caf67c7e0814
Fix a possible null pointer exception under certain circumstances.
author | Matti Hamalainen <ccr@tnsp.org> |
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date | Thu, 24 Feb 2011 03:59:46 +0200 |
parents | f81f76458b92 |
children | b586ce4f6d97 |
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/* * Ristipolku IDM base widget * (C) Copyright 2011 Matti 'ccr' Hämäläinen <ccr@tnsp.org> */ package game; import java.awt.*; import java.awt.event.*; public class IDMWidget { IDMPoint pos, scale; int keyCode; public IDMWidget() { keyCode = -1; this.scale = new IDMPoint(1, 1); this.pos = new IDMPoint(0, 0); } public IDMWidget(IDMPoint pos) { this(); this.pos = pos; } public void move(IDMPoint pos) { this.pos = pos; } public void move(float x, float y) { this.pos = new IDMPoint(x, y); } public void setScale(IDMPoint scale) { this.scale = scale; } public void setScale(float x, float y) { this.setScale(new IDMPoint(x, y)); } public int getScaledX() { return (int) (this.pos.x * this.scale.x); } public int getScaledY() { return (int) (this.pos.y * this.scale.y); } public void paint(Graphics2D g) { } public boolean contains(Point pos) { return false; } public void mousePressed(MouseEvent e) { } public void mouseReleased(MouseEvent e) { if (contains(e.getPoint())) clicked(); } public void mouseEntered(MouseEvent e) { } public void mouseExited(MouseEvent e) { } // Generic key handler public boolean keyPressed(KeyEvent e) { if (e.getKeyCode() == keyCode) { clicked(); return true; } else return false; } public void clicked() { } }