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Message:
mouseClicked(MouseEvent e)
Posted by John Liu on September 24, 2000 at 2:26 AM
the counter num is increased twice as I put buttom only one time. Should the counter be one as I click the mouse one time.
Why is it always increase twice each times? Please help me soluted this problem. thanks
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import java.applet.Applet;
import java.awt.*;
import java.awt.event.*;
import java.lang.Math;
import java.awt.Graphics; public class imag extends Applet implements ActionListener,
MouseListener,MouseMotionListener{ Image image; Button buttonCounter;
boolean bMouseDownFlag=false;
boolean bMouseUpFlag=false;
boolean bCounter=false;
boolean done=false;
private boolean pause=false;
Point pts[]=new Point[9999];
int num=0,ptindex=0,ptindexx=0;
TextField mousetext1;
public void init(){
image=getImage( getCodeBase(),"Hongkong.bmp");
addMouseListener(this);
buttonCounter=new Button("Counter");
add(buttonCounter);
buttonCounter.addActionListener(this); mousetext1=new TextField(3);
add(mousetext1); addMouseListener(this);
addMouseMotionListener(this);
} public void start(){} public void mousePressed(MouseEvent e){}
public void mouseReleased(MouseEvent e){}
public void mouseDragged(MouseEvent e){}
public void mouseClicked(MouseEvent e){
if(bCounter==true){
addNum( num);
pts[ptindex]=new Point(e.getX(),e.getY());
repaint();
ptindex++;
}
}
void addNum(int num) {
this.num=num+1;
String s=String.valueOf(this.num);
mousetext1.setText( s );
} public void mouseEntered(MouseEvent e){};
public void mouseExited(MouseEvent e){};
public void mouseMoved(MouseEvent e){}; public void run(){
try{
while(!done){
if(!pause) repaint();}
}catch(Exception e){
System.out.println("*****finally ****");
}
}
public void paint(Graphics g){
int loop;
g.setColor(Color.red);
for(loop=0;loop g.fillRect(pts[loop].x,pts[loop].y,3,3);
}
} public void update(Graphics g){
paint(g);
}
public void actionPerformed(ActionEvent e){
if(e.getSource()==buttonCounter){
bCounter=!bCounter;
}
}
}
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