Detect a double click vs simple clickTag(s): AWT
[JDK1.02]
import java.applet.*;
import java.awt.*;
public class d extends Applet {
int dClkRes = 300; // double-click speed in ms
long timeMouseDown=0; // last mouse down time
int lastX=0,lastY=0; // last x and y
public boolean mouseDown(Event event, int x, int y){
/*
** check for double click
*/
long currentTime = event.when;
if ((lastX==x) && (lastY==y) &&
((event.when-timeMouseDown) < dClkRes)) {
System.out.println("double click " + currentTime);
return false;
}
else {
//single click action could be added here
System.out.println("simple click " + currentTime);
timeMouseDown = event.when;
lastX=x;
lastY=y;
}
return true;
}
}import java.applet.*;
import java.awt.*;
import java.awt.event.*;
public class d extends Applet
implements MouseListener {
public void init() {
this.addMouseListener(this);
}
public void paint(Graphics g) {
g.drawString("Click here", 10,10);
}
public void mousePressed(MouseEvent e) {}
public void mouseReleased(MouseEvent e) {}
public void mouseEntered(MouseEvent e) {}
public void mouseExited(MouseEvent e) {}
public void mouseClicked(MouseEvent e) {
System.out.println
( "Click at (" + e.getX() + ":" + e.getY() + ")" );
if (e.getClickCount() == 2)
System.out.println( " and it's a double click!");
else
System.out.println( " and it's a simple click!");
}
}
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