// Demonstrate the mouse event handlers.
import java.awt.*;
import java.applet.*;
public class MouseEvents extends Applet{
String msg = "";
int mouseX = 0, mouseY = 0; // coordinates of mouse
// Handle button press.
public boolean mouseDown(Event evtObj, int x, int y) {
// save coordinates
mouseX = x;
mouseY = y;
msg = "Down";
repaint();
return true;
}
// Handle button release.
public boolean mouseUp(Event evtObj, int x, int y) {
// save coordinates
mouseX = x;
mouseY = y;
msg = "Up";
repaint();
return true;
}
// Handle mouse move.
public boolean mouseMove(Event evtObj, int x, int y) {
// save coordinates
showStatus("Moving mouse at " + x + ", " + y);
return true;
}
// Handle mouse drag.
public boolean mouseDrag(Event evtObj, int x, int y) {
// save coordinates
mouseX = x;
mouseY = y;
msg = "*";
showStatus("Dragging mouse at " + x + ", " + y);
repaint();
return true;
}
// Handle mouse enter.
public boolean mouseEnter(Event evtObj, int x, int y) {
// save coordinates
mouseX = 0;
mouseY = 10;
msg = "Mouse just entered.";
repaint();
return true;
}
// Handle mouse exit.
public boolean mouseExit(Event evtObj, int x, int y) {
// save coordinates
mouseX = 0;
mouseY = 10;
msg = "Mouse just left.";
repaint();
return true;
}
// Display msg in applet window at current X,Y location.
public void paint(Graphics g) {
g.drawString(msg, mouseX, mouseY);
}
}