в 17:44, 31 мая 2010

2010-05-31T17:44:26Z

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2010-05-31T15:19:49Z

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== 17. Create one repeating timer ==



<source lang="java">
/*******************************************************************************
* Copyright (c) 2000, 2004 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/

import org.eclipse.swt.graphics.Point;
import org.eclipse.swt.graphics.Rectangle;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;
public class TimerRepeating {
public static void main(String[] args) {
final Display display = new Display();
final Shell shell = new Shell(display);
final int time = 500;
Runnable timer = new Runnable() {
public void run() {
Point point = display.getCursorLocation();
Rectangle rect = shell.getBounds();
if (rect.contains(point)) {
System.out.println("In");
} else {
System.out.println("Out");
}
display.timerExec(time, this);
}
};
display.timerExec(time, timer);

shell.setSize(200, 200);
shell.open();
while (!shell.isDisposed()) {
if (!display.readAndDispatch())
display.sleep();
}
display.dispose();
}
}</source>



== 17. Create two one shot timers (s) ==



<source lang="java">
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;
public class TimerOneShot2000 {
public static void main(String[] args) {
Display display = new Display();
Shell shell = new Shell(display);
shell.setSize(200, 200);
shell.open();
display.timerExec(2000, new Runnable() {
public void run() {
System.out.println("2000");
}
});
while (!shell.isDisposed()) {
if (!display.readAndDispatch())
display.sleep();
}
display.dispose();
}
}</source>



== 17. Stop a repeating timer when a button is pressed ==



<source lang="java">
/*******************************************************************************
* Copyright (c) 2000, 2004 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
/*
* Display example snippet: stop a repeating timer when a button is pressed
*
* For a list of all SWT example snippets see
* http://www.eclipse.org/swt/snippets/
*/
import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.Color;
import org.eclipse.swt.layout.RowData;
import org.eclipse.swt.layout.RowLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Event;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Listener;
import org.eclipse.swt.widgets.Shell;
public class TimeStopWhenButtonPressing {
public static void main(String[] args) {
final Display display = new Display();
final Color red = display.getSystemColor(SWT.COLOR_RED);
final Color blue = display.getSystemColor(SWT.COLOR_BLUE);
Shell shell = new Shell(display);
shell.setLayout(new RowLayout());
Button button = new Button(shell, SWT.PUSH);
button.setText("Stop Timer");
final Label label = new Label(shell, SWT.BORDER);
label.setBackground(red);
final int time = 500;
final Runnable timer = new Runnable() {
public void run() {
if (label.isDisposed())
return;
Color color = label.getBackground().equals(red) ? blue : red;
label.setBackground(color);
display.timerExec(time, this);
}
};
display.timerExec(time, timer);
button.addListener(SWT.Selection, new Listener() {
public void handleEvent(Event event) {
display.timerExec(-1, timer);
}
});
button.pack();
label.setLayoutData(new RowData(button.getSize()));
shell.pack();
shell.open();
while (!shell.isDisposed()) {
if (!display.readAndDispatch())
display.sleep();
}
display.dispose();
}
}</source>

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в 17:44, 31 мая 2010

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