import org.eclipse.swt.SWT;
import org.eclipse.swt.events.DisposeEvent;
import org.eclipse.swt.events.DisposeListener;
import org.eclipse.swt.events.MouseAdapter;
import org.eclipse.swt.events.MouseEvent;
import org.eclipse.swt.events.MouseMoveListener;
import org.eclipse.swt.events.MouseTrackListener;
import org.eclipse.swt.events.PaintEvent;
import org.eclipse.swt.events.PaintListener;
import org.eclipse.swt.graphics.Color;
import org.eclipse.swt.graphics.GC;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.graphics.Point;
import org.eclipse.swt.graphics.Rectangle;
import org.eclipse.swt.widgets.Canvas;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Event;
import org.eclipse.swt.widgets.Listener;
import org.eclipse.swt.widgets.Shell;
public class PictureLabel3 extends Canvas{
Color white;
int x , y;
int width , height;
Listener listener = new ListenerImpl(getShell());
public PictureLabel3(final Composite parent, int style , int width , int height) {
super(parent, style);
this.width = width;
this.height = height;
// TODO Auto-generated constructor stub
white = new Color(null, 255, 255, 255);
setBackground(white);
addDisposeListener(new DisposeListener() {
@Override
public void widgetDisposed(DisposeEvent e) {
// TODO Auto-generated method stub
PictureLabel3.this.widgetDisposed(e);
}
});
addPaintListener(new PaintListener() {
@Override
public void paintControl(PaintEvent e) {
// TODO Auto-generated method stub
PictureLabel3.this.paintControl(e);
}
});
addMouseTrackListener(new MouseTrackListenerImpl(getShell()));
}
class ListenerImpl implements Listener
{
private Shell shell;
private boolean SE = false;
private boolean NW = false;
private boolean NE = false;
private boolean SW = false;
private boolean N = false;
private boolean W = false;
private boolean S = false;
private boolean E = false;
public ListenerImpl(Shell shell) {
// TODO Auto-generated constructor stub
this.shell = shell;
}
@Override
public void handleEvent(Event event) {
// TODO Auto-generated method stub
Point size;
switch (event.type) {
case SWT.MouseDown:
x = event.x;
y = event.y;
System.out.println("MouseDown " + x + " " + y);
size = computeSize(SWT.DEFAULT, SWT.DEFAULT, false);
if((event.x > width - 8 && event.x < width + 8) && (event.y > height - 8 && event.y < height + 8))
{
// shell.setCursor(Display.getDefault().getSystemCursor(SWT.CURSOR_SIZESE));
System.out.println("SE");
SE = true;
}
else if((event.x > -8 && event.x < 8) && (event.y > -8 && event.y < 8))
{
// shell.setCursor(Display.getDefault().getSystemCursor(SWT.CURSOR_SIZENW));
NW = true;
}
else if((event.x > width - 8 && event.x < width + 8) && (event.y > -8 && event.y < 8))
{
// shell.setCursor(Display.getDefault().getSystemCursor(SWT.CURSOR_SIZENE));
NE = true;
}
else if((event.x > -8 && event.x < 8) && (event.y > height - 8 && event.y < height + 8))
{
// shell.setCursor(Display.getDefault().getSystemCursor(SWT.CURSOR_SIZESW));
SW = true;
}
else if((event.x > width / 2 - 8 && event.x < width / 2 + 8) && (event.y > -8 && event.y < 8))
{
// shell.setCursor(Display.getDefault().getSystemCursor(SWT.CURSOR_SIZEN));
N = true;
}
else if((event.x > -8 && event.x < 8) && (event.y > height / 2 - 8 && event.y < height / 2 + 8))
{
// shell.setCursor(Display.getDefault().getSystemCursor(SWT.CURSOR_SIZEW));
W = true;
}
else if((event.x > width / 2 - 8 && event.x < width / 2 + 8) && (event.y > height - 8 && event.y < height + 8))
{
// shell.setCursor(Display.getDefault().getSystemCursor(SWT.CURSOR_SIZES));
S = true;
}
else if((event.x > width - 8 && event.x < width + 8) && (event.y > height / 2 - 8 && event.y < height / 2 + 8))
{
// shell.setCursor(Display.getDefault().getSystemCursor(SWT.CURSOR_SIZEE));
E = true;
}
break;
case SWT.MouseMove:
if((event.stateMask & SWT.BUTTON1) == 0)
{
size = computeSize(SWT.DEFAULT, SWT.DEFAULT, false);
System.out.println("size " + size.x + " " + size.y);
System.out.println("e " + event.x + " " + event.y);
if((event.x > width - 8 && event.x < width + 8) && (event.y > height - 8 && event.y < height + 8))
{
shell.setCursor(Display.getDefault().getSystemCursor(SWT.CURSOR_SIZESE));
}
else if((event.x > -8 && event.x < 8) && (event.y > -8 && event.y < 8))
{
shell.setCursor(Display.getDefault().getSystemCursor(SWT.CURSOR_SIZENW));
}
else if((event.x > width - 8 && event.x < width + 8) && (event.y > -8 && event.y < 8))
{
shell.setCursor(Display.getDefault().getSystemCursor(SWT.CURSOR_SIZENE));
}
else if((event.x > -8 && event.x < 8) && (event.y > height - 8 && event.y < height + 8))
{
shell.setCursor(Display.getDefault().getSystemCursor(SWT.CURSOR_SIZESW));
}
else if((event.x > width / 2 - 8 && event.x < width / 2 + 8) && (event.y > -8 && event.y < 8))
{
shell.setCursor(Display.getDefault().getSystemCursor(SWT.CURSOR_SIZEN));
}
else if((event.x > -8 && event.x < 8) && (event.y > height / 2 - 8 && event.y < height / 2 + 8))
{
shell.setCursor(Display.getDefault().getSystemCursor(SWT.CURSOR_SIZEW));
}
else if((event.x > width / 2 - 8 && event.x < width / 2 + 8) && (event.y > height - 8 && event.y < height + 8))
{
shell.setCursor(Display.getDefault().getSystemCursor(SWT.CURSOR_SIZES));
}
else if((event.x > width - 8 && event.x < width + 8) && (event.y > height / 2 - 8 && event.y < height / 2 + 8))
{
shell.setCursor(Display.getDefault().getSystemCursor(SWT.CURSOR_SIZEE));
}
else
{
shell.setCursor(Display.getDefault().getSystemCursor(SWT.CURSOR_ARROW));
}
break;
}
if(SE)
{
System.out.println("SE");
Point point = getLocation();
int x = point.x;
int y = point.y;
System.out.println("event " + event.x + " " + event.y);
System.out.println("size " + width + " " + height);
if(event.x > 50)
width = event.x;
if(event.y > 50)
height = event.y;
System.out.println((width) + " " + (height));
setSize(width, height);
redraw();
}
else if(NW)
{
System.out.println("NW");
Point point = getLocation();
int x = point.x + width;
int y = point.y + height;
if(width - event.x > 50)
width -= event.x;
if(height - event.y > 50)
height -= event.y;
setLocation(x - width, y - height);
setSize(width, height);
redraw();
}
else if(NE)
{
System.out.println("NE");
Point point = getLocation();
int x = point.x;
int y = point.y + height;
if(event.x > 50)
width = event.x;
if(height - event.y > 50)
height = height - event.y;
setLocation(x, y - height);
setSize(width, height);
redraw();
}
else if(SW)
{
System.out.println("SW");
Point point = getLocation();
int x = point.x + width;
int y = point.y;
if(width - event.x > 50)
width = width - event.x;
if(event.y > 50)
height = event.y;
setLocation(x - width , y);
setSize(width, height);
redraw();
}
else if(N)
{
System.out.println("N");
Point point = getLocation();
int x = point.x;
int y
SWT.rar （69个子文件） 
SWT bin 
ImageClickedListenerImpl.class 618B PictureLabel1$2.class 682B Main$2.class 1KB Square$1.class 667B PictureLabel1.class 3KB PictrueLabelExample$1.class 733B widget.class 4KB Child.class 1KB Component$dotListener.class 4KB Dot$2.class 657B PictureLabel2$1.class 707B PictureLabel3$2.class 701B Square.class 3KB Border$1.class 667B Dot.class 3KB ImageClickedListener.class 200B Square$2.class 659B Main$2$1.class 993B PictureLabel2.class 3KB Component$BorderListener.class 1KB Component$2.class 676B Border.class 2KB Main.class 2KB PictrueLabelExample.class 2KB Parent.class 333B Child$E.class 1005B Person.class 387B PictureLabel.class 3KB PictureLabel1$1.class 707B Component.class 6KB PictureLabel3.class 3KB Main$1.class 877B PictureLabel$1.class 701B PictureLabel3$MouseTrackListenerImpl.class 1KB ImageClickedEvent.class 456B PictureLabel2$2.class 966B Component$1.class 685B PictureLabel$2.class 693B Border$2.class 659B Test1$1.class 1KB widget$1.class 1KB PictureLabel3$1.class 709B PictureLabelLayout.class 2KB Dot$1.class 665B Test1.class 2KB PictureLabel3$ListenerImpl.class 6KB icons 
simple.PNG 802B simple1.PNG 1KB .settings org.eclipse.jdt.core.prefs 598B src PictureLabel2.java 3KB ImageClickedListener.java 130B PictureLabelLayout.java 1KB PictrueLabelExample.java 1KB PictureLabel.java 2KB Person.java 155B Component.java 13KB Border.java 2KB widget.java 5KB PictureLabel3.java 14KB Child.java 500B ImageClickedEvent.java 207B Dot.java 2KB Square.java 2KB Test1.java 2KB PictureLabel1.java 3KB Main.java 3KB ImageClickedListenerImpl.java 223B .project 379B .classpath 3KB资源评论
