// Hiirega seotud sündmuste käsitlemine tütaraknas.
import java.awt.*;
import java.applet.*;
/*
<applet code="WindowEvents" width=300 height=50>
</applet>
*/
// Create a subclass of Frame.
class SampleFrame1 extends Frame {
String msg = "";
int mouseX=0, mouseY=10;
int movX=0, movY=0;
SampleFrame1(String title) {
super(title);
}
// Hide window when terminated by user.
public boolean handleEvent(Event evtObj) {
if(evtObj.id == Event.WINDOW_DESTROY) {
hide();
return true;
}
return super.handleEvent(evtObj);
}
// 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
movX = x;
movY = y;
repaint(0, 0, 100, 20);
return true;
}
// Handle mouse drag.
public boolean mouseDrag(Event evtObj, int x, int y) {
// save coordinates
mouseX = x;
mouseY = y;
movX = x;
movY = y;
msg = "*";
repaint();
return true;
}
// Handle mouse enter.
public boolean mouseEnter(Event evtObj, int x, int y) {
// save coordinates
mouseX = 0;
mouseY = 24;
msg = "Mouse just entered child.";
repaint();
return true;
}
// Handle mouse exit.
public boolean mouseExit(Event evtObj, int x, int y) {
// save coordinates
mouseX = 0;
mouseY = 24;
msg = "Mouse just left child window.";
repaint();
return true;
}
public void paint(Graphics g) {
g.drawString(msg, mouseX, mouseY);
g.drawString("Mouse at " + movX + ", " + movY, 0, 10);
}
}
// Applet window.
public class WindowEvents extends Applet{
SampleFrame1 f;
String msg = "";
int mouseX=0, mouseY=10;
int movX=0, movY=0;
// Create a frame window.
public void init() {
f = new SampleFrame1("Handle Mouse Events");
f.show();
f.resize(300, 200);
}
// Remove frame window when stopping applet.
public void stop() {
f.hide();
}
// Show frame window when starting applet.
public void start() {
f.show();
}
// 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
movX = x;
movY = y;
repaint(0, 0, 100, 20);
return true;
}
// Handle mouse drag.
public boolean mouseDrag(Event evtObj, int x, int y) {
// save coordinates
mouseX = x;
mouseY = y;
movX = x;
movY = y;
msg = "*";
repaint();
return true;
}
// Handle mouse enter.
public boolean mouseEnter(Event evtObj, int x, int y) {
// save coordinates
mouseX = 0;
mouseY = 24;
msg = "Mouse just entered applet window.";
repaint();
return true;
}
// Handle mouse exit.
public boolean mouseExit(Event evtObj, int x, int y) {
// save coordinates
mouseX = 0;
mouseY = 24;
msg = "Mouse just left applet window.";
repaint();
return true;
}
// Display msg in applet window.
public void paint(Graphics g) {
g.drawString(msg, mouseX, mouseY);
g.drawString("Mouse at " + movX + ", " + movY, 0, 10);
}
}