qbutton.java

j2me 高级UI

/**
 * 作者：cat 戚永城
 * 时间：2008-3-1
 * QQ：415898635
 * E-Mail：	[e-mail]
 * 			[e-mail]
 * 
 * */
package org.qui.conmponent;


import javax.microedition.lcdui.Graphics;
import org.qui.image.JiugongDiv;
import org.qui.info.Attribute;
import org.qui.manager.QAbstructButton;
import org.qui.manager.UIManager;

public class QButton extends QAbstructButton {

	public QButton(){
		super();
	}
	
	public QButton(int x, int y, int width, int height) {
		super(x, y, width, height);
	}

	public QButton(int x, int y, int width, int height, String label) {
		super(x, y, width, height);
		this.label = label;
	}

	public void setLabel(String label) {
		this.label = label;
		int charsWidth = font.stringWidth(label);
		if (charsWidth > width) {
			width = charsWidth;
		}
		int charsHeight = font.getHeight();
		if (charsHeight > height) {
			height = charsHeight;
		}
	}
	
	public void paint(Graphics g) {
		if(focus){
			if(keyPressed){
				JiugongDiv.drawJiuGong(g, UIManager.button_focus_pressed, x + ui.offx + btn_offx, y + ui.offy + btn_offy, width, height);
			}else{
				JiugongDiv.drawJiuGong(g, UIManager.button_focus, x + ui.offx + btn_offx, y + ui.offy + btn_offy, width, height);				
			}
		}else {
			JiugongDiv.drawJiuGong(g, UIManager.button_normal, x + ui.offx + btn_offx, y + ui.offy + btn_offy, width, height);
		}
		if (label != null) {
			g.setFont(font);
			g.setColor(fr, fg, fb);
			g.drawString(label, x + width / 2 + ui.offx + btn_offx,y + (height - fontHeight) / 2 + fontHeight	+ ui.offy + btn_offy, Graphics.BOTTOM | Graphics.HCENTER);
		}
		// paint shadow
	}
	
	private int btn_offx=0;
	
	private int btn_offy=0;
	
	public void keyPressed(int keyCode) {
		if(Attribute.skin==Attribute.SKIN_PLAIN){
			btn_offx++;
			btn_offy++;
		}
		super.keyPressed(keyCode);
	}

	public void keyReleased(int keyCode) {
		if(Attribute.skin==Attribute.SKIN_PLAIN){
			btn_offx--;
			btn_offy--;
		}
		super.keyReleased(keyCode);
	}

}