button.java

来自「moto手机专用的LWT类库源码」· Java 代码 · 共 69 行

// Decompiled by Jad v1.5.7g. Copyright 2000 Pavel Kouznetsov.
// Jad home page: http://www.geocities.com/SiliconValley/Bridge/8617/jad.html
// Decompiler options: packimports(3) fieldsfirst ansi 
// Source File Name:   Button.java

package com.motorola.lwt;

import javax.microedition.lcdui.Graphics;

// Referenced classes of package com.motorola.lwt:
//            InteractableComponent, Component

public class Button extends InteractableComponent
{

    public static int BUTTON_ACTION_EVENT = 1;

    public Button()
    {
        super(null);
    }

    public Button(String s)
    {
        super(s);
    }

    public int getPreferredWidth()
    {
        return labelWidth + 10;
    }

    public int getPreferredHeight()
    {
        return labelHeight + 6;
    }

    public void componentActuated()
    {
        dispatchComponentEvent(BUTTON_ACTION_EVENT);
    }

    public void paint(Graphics g)
    {
        g.setFont(itsFont);
        g.setColor(enabled ? 0 : 0x808080);
        if(hasFocus())
            g.drawRect(0, 0, width - 1, height - 1);
        g.drawLine(3, 2, width - 4, 2);
        g.drawLine(3, height - 3, width - 4, height - 3);
        g.drawLine(2, 3, 2, height - 4);
        g.drawLine(width - 3, 3, width - 3, height - 4);
        if(pressed)
        {
            g.setColor(0);
            g.fillRect(3, 3, width - 6, height - 6);
            g.setColor(0xffffff);
        } else
        {
            g.setColor(0x808080);
            g.fillRect(3, 3, width - 6, height - 6);
            g.setColor(enabled ? 0 : 0x404040);
        }
        if(label != null)
            g.drawString(label, width >> 1, 2, 17);
    }

}