PPT Slide
/* class DrawCanvas (cont’d) . . . */
public void mouseMoved(MouseEvent e) {
updateCoordinates(e);
} // mouseMoved
public void mouseEntered(MouseEvent e) {
updateCoordinates(e);
} // mouseEntered
public void mousePressed(MouseEvent e) {
setDrawing(true);
updateCoordinates(e);
repaint();
} // mousePressed
public void mouseReleased
(MouseEvent e) {
setDrawing(false);
updateCoordinates(e);
repaint();
} // mouseReleased
public void mouseDragged
(MouseEvent e){
updateCoordinates(e);
repaint();
} // mouseDragged
/* below is wasted code */
public void mouseClicked
(MouseEvent e){
} // mouseClicked
public void mouseExited
(MouseEvent e){
} // mouseExited
}// class DrawCanvas
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