Java/SWT JFace Eclipse/Slider
Содержание
Demonstrates Sliders
<source lang="java">
//Send questions, comments, bug reports, etc. to the authors: //Rob Warner (rwarner@interspatial.ru) //Robert Harris (rbrt_harris@yahoo.ru) import org.eclipse.swt.SWT; import org.eclipse.swt.layout.*; import org.eclipse.swt.widgets.*; /**
* This class demonstrates Sliders */
public class SliderExample {
public static void main(String[] args) {
Display display = new Display();
Shell shell = new Shell(display);
shell.setLayout(new GridLayout(1, false));
// Create a horizontal slider, accepting the defaults
new Slider(shell, SWT.HORIZONTAL);
// Create a vertical slider and set its properties
Slider slider = new Slider(shell, SWT.VERTICAL);
slider.setMinimum(0);
slider.setMaximum(100);
slider.setIncrement(5);
slider.setPageIncrement(20);
slider.setSelection(75);
shell.open();
while (!shell.isDisposed()) {
if (!display.readAndDispatch()) {
display.sleep();
}
}
display.dispose();
}
}
</source>
Sample Slider
<source lang="java">
/******************************************************************************
* All Right Reserved. * Copyright (c) 1998, 2004 Jackwind Li Guojie * * Created on 2004-3-28 20:25:15 by JACK * $Id$ * *****************************************************************************/
import org.eclipse.swt.SWT; import org.eclipse.swt.layout.GridData; import org.eclipse.swt.layout.GridLayout; 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; import org.eclipse.swt.widgets.Slider; import org.eclipse.swt.widgets.Text; public class SampleSlider {
Display display = new Display();
Shell shell = new Shell(display);
Slider slider;
Text value;
public SampleSlider() {
shell.setLayout(new GridLayout(1, true));
Label label = new Label(shell, SWT.NULL);
label.setText("Volume:");
slider = new Slider(shell, SWT.VERTICAL);
slider.setBounds(0, 0, 40, 200);
slider.setMaximum(24);
slider.setMinimum(0);
slider.setIncrement(1);
slider.setPageIncrement(5);
slider.setThumb(4);
slider.addListener(SWT.Selection, new Listener() {
public void handleEvent(Event event) {
int perspectiveValue = slider.getMaximum() - slider.getSelection() + slider.getMinimum() - slider.getThumb();
value.setText("Vol: " + perspectiveValue);
}
});
value = new Text(shell, SWT.BORDER | SWT.SINGLE);
value.setEditable(false);
slider.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_CENTER));
value.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_CENTER));
shell.pack();
shell.open();
//textUser.forceFocus();
// Set up the event loop.
while (!shell.isDisposed()) {
if (!display.readAndDispatch()) {
// If no more entries in event queue
display.sleep();
}
}
display.dispose();
}
public static void main(String[] args) {
new SampleSlider();
}
}
</source>
Slider Example
<source lang="java">
import org.eclipse.swt.SWT; import org.eclipse.swt.events.SelectionAdapter; import org.eclipse.swt.events.SelectionEvent; import org.eclipse.swt.graphics.Image; import org.eclipse.swt.widgets.Display; import org.eclipse.swt.widgets.Shell; import org.eclipse.swt.widgets.Slider; import org.eclipse.swt.widgets.Text; public class SliderExample {
Display d;
Shell s;
SliderExample() {
d = new Display();
s = new Shell(d);
s.setSize(250, 250);
s.setText("A Slider Example");
final Slider slide = new Slider(s, SWT.HORIZONTAL);
slide.setBounds(115, 50, 25, 15);
slide.setMinimum(0);
slide.setMaximum(100);
slide.setIncrement(1);
final Text t = new Text(s, SWT.BORDER);
t.setBounds(115, 25, 25, 25);
t.setText("0");
slide.addSelectionListener(new SelectionAdapter() {
public void widgetSelected(SelectionEvent e) {
t.setText(new Integer(slide.getSelection()).toString());
}
});
s.open();
while (!s.isDisposed()) {
if (!d.readAndDispatch())
d.sleep();
}
d.dispose();
}
public static void main() {
new SliderExample();
}
}
</source>
SWT Slider: print scroll event details
<source lang="java">
/*
* Slider example snippet: print scroll event details * * For a list of all SWT example snippets see * http://dev.eclipse.org/viewcvs/index.cgi/%7Echeckout%7E/platform-swt-home/dev.html#snippets */
import org.eclipse.swt.SWT; import org.eclipse.swt.widgets.Display; import org.eclipse.swt.widgets.Event; import org.eclipse.swt.widgets.Listener; import org.eclipse.swt.widgets.Shell; import org.eclipse.swt.widgets.Slider; public class Snippet17 {
public static void main(String[] args) {
Display display = new Display();
Shell shell = new Shell(display);
Slider slider = new Slider(shell, SWT.HORIZONTAL);
slider.setBounds(10, 10, 200, 32);
slider.addListener(SWT.Selection, new Listener() {
public void handleEvent(Event event) {
String string = "SWT.NONE";
switch (event.detail) {
case SWT.DRAG:
string = "SWT.DRAG";
break;
case SWT.HOME:
string = "SWT.HOME";
break;
case SWT.END:
string = "SWT.END";
break;
case SWT.ARROW_DOWN:
string = "SWT.ARROW_DOWN";
break;
case SWT.ARROW_UP:
string = "SWT.ARROW_UP";
break;
case SWT.PAGE_DOWN:
string = "SWT.PAGE_DOWN";
break;
case SWT.PAGE_UP:
string = "SWT.PAGE_UP";
break;
}
System.out.println("Scroll detail -> " + string);
}
});
shell.open();
while (!shell.isDisposed()) {
if (!display.readAndDispatch())
display.sleep();
}
display.dispose();
}
}
</source>
SWT Sliders
<source lang="java">
/*
* Created on Nov 17, 2003 * * To change the template for this generated file go to * Window>Preferences>Java>Code Generation>Code and Comments */
import org.eclipse.swt.SWT; 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; import org.eclipse.swt.widgets.Slider; import org.eclipse.swt.widgets.Text; /**
* @author Steven Holzner * * To change the template for this generated type comment go to * Window>Preferences>Java>Code Generation>Code and Comments */
public class SWTSliders {
public static void main(String[] args) {
Display display = new Display();
Shell shell = new Shell(display);
shell.setText("Sliders");
shell.setSize(300, 200);
final Label label = new Label(shell, SWT.NONE);
label.setText("Move the slider");
label.setBounds(0, 20, 150, 15);
final Slider slider = new Slider(shell, SWT.HORIZONTAL);
slider.setBounds(0, 40, 200, 20);
final Text text = new Text(shell, SWT.BORDER);
text.setBounds(0, 100, 200, 25);
slider.addListener(SWT.Selection, new Listener() {
public void handleEvent(Event event) {
String outString = "Event: SWT.NONE";
switch (event.detail) {
case SWT.ARROW_DOWN:
outString = "Event: SWT.ARROW_DOWN";
break;
case SWT.ARROW_UP:
outString = "Event: SWT.ARROW_UP";
break;
case SWT.DRAG:
outString = "Event: SWT.DRAG";
break;
case SWT.END:
outString = "Event: SWT.END";
break;
case SWT.HOME:
outString = "Event: SWT.HOME";
break;
case SWT.PAGE_DOWN:
outString = "Event: SWT.PAGE_DOWN";
break;
case SWT.PAGE_UP:
outString = "Event: SWT.PAGE_UP";
break;
}
outString += " Position: " + slider.getSelection();
text.setText(outString);
}
});
shell.open();
while (!shell.isDisposed()) {
if (!display.readAndDispatch())
display.sleep();
}
display.dispose();
}
}
</source>
