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import java.awt.event.*;
class MML implements MouseMotionListener, MouseListener
{
public void mouseExited(MouseEvent e) {}
public void mouseEntered(MouseEvent e) {}
public void mouseClicked(MouseEvent e) {}
private ImageViewer applet;
private int x1, y1, x2, y2, zf, btn;
private boolean zoomrq;
public MML(ImageViewer iv)
{
x1 = y1 = -1;
applet = iv;
zoomrq = false;
zf = 0;
}
private boolean isInside(int x, int y)
{
x -= applet.getX();
y -= applet.getY();
return (x >= 0) && (x < applet.getWidth())
&& (y >= 0) && (y < applet.getHeight());
}
public void mousePressed(MouseEvent e)
{
btn = e.getButton();
if (applet.isInsideRect(e.getX(), e.getY())) {
applet.setSelected(2);
applet.repaint();
zoomrq = true;
} else {
applet.setRGeom(0, 0, 0, 0);
applet.setSelected(0);
applet.repaint();
x1 = y1 = -1;
}
}
public void mouseReleased(MouseEvent e)
{
if (zoomrq && (e.getButton() == 1)) {
applet.zoomIn();
zoomrq = false;
} else if (e.getButton() == 3) {
applet.zoomOut();
zoomrq = false;
}
}
public void mouseMoved(MouseEvent e)
{
applet.setSelected(applet.isInsideRect(e.getX(), e.getY()) ? 1 : 0);
}
public void mouseDragged(MouseEvent e)
{
String str;
if (btn == 1) {
x2 = e.getX();
y2 = e.getY();
applet.setSelected(0);
zoomrq = false;
if (isInside(x2, y2)) {
str = "[IN ]";
if (x1 == -1) {
x1 = x2;
y1 = y2;
} else {
applet.setRGeom(x1, y1, x2, y2);
applet.repaint();
}
} else {
str = "[OUT]";
}
}
}
}
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