Java by API/org.eclipse.swt.widgets/Button

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Button: addSelectionListener(SelectionListener sel)

import org.eclipse.swt.SWT;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.List;
import org.eclipse.swt.widgets.Shell;
public class MainClass {
  public static void main(String[] a) {
    Display d = new Display();
    Shell s = new Shell(d);
    s.setSize(250, 250);
    s.setText("A List Example");
    final List l = new List(s, SWT.MULTI | SWT.BORDER);
    l.setBounds(50, 50, 75, 75);
    l.add("Item One");
    l.add("Item Two");
    l.add("Item Three");
    l.add("Item Four");
    l.add("Item Five");
    final Button b1 = new Button(s, SWT.PUSH | SWT.BORDER);
    b1.setBounds(150, 150, 50, 25);
    b1.setText("Click Me");
    b1.addSelectionListener(new SelectionAdapter() {
      public void widgetSelected(SelectionEvent e) {
        String selected[] = l.getSelection();
        for (int i = 0; i < selected.length; i++) {
          System.out.println(selected[i]);
        }
      }
    });
    s.open();
    while (!s.isDisposed()) {
      if (!d.readAndDispatch())
        d.sleep();
    }
    d.dispose();
  }
}





Button: setText(String text)

import org.eclipse.swt.SWT;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.List;
import org.eclipse.swt.widgets.Shell;
public class MainClass {
  public static void main(String[] a) {
    Display d = new Display();
    Shell s = new Shell(d);
    s.setSize(250, 250);
    s.setText("A List Example");
    final List l = new List(s, SWT.MULTI | SWT.BORDER);
    l.setBounds(50, 50, 75, 75);
    l.add("Item One");
    l.add("Item Two");
    l.add("Item Three");
    l.add("Item Four");
    l.add("Item Five");
    final Button b1 = new Button(s, SWT.PUSH | SWT.BORDER);
    b1.setBounds(150, 150, 50, 25);
    b1.setText("Click Me");
    b1.addSelectionListener(new SelectionAdapter() {
      public void widgetSelected(SelectionEvent e) {
        String selected[] = l.getSelection();
        for (int i = 0; i < selected.length; i++) {
          System.out.println(selected[i]);
        }
      }
    });
    s.open();
    while (!s.isDisposed()) {
      if (!d.readAndDispatch())
        d.sleep();
    }
    d.dispose();
  }
}





new Button(Composite parent, int style) (SWT.PUSH | SWT.BORDER)

import org.eclipse.swt.SWT;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.graphics.Color;
import org.eclipse.swt.graphics.RGB;
import org.eclipse.swt.layout.FillLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.ColorDialog;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Text;
public class MainClass {
  public static void main(String[] a) {
    final Display d = new Display();
    final Shell s = new Shell(d);
    s.setSize(300, 300);
    s.setText("A ColorDialog Example");
    s.setLayout(new FillLayout(SWT.VERTICAL));
    final Text t = new Text(s, SWT.BORDER | SWT.MULTI);
    final Button b = new Button(s, SWT.PUSH | SWT.BORDER);
    b.setText("Change Color");
    b.addSelectionListener(new SelectionAdapter() {
      public void widgetSelected(SelectionEvent e) {
        ColorDialog cd = new ColorDialog(s);
        cd.setText("ColorDialog Demo");
        cd.setRGB(new RGB(255, 255, 255));
        RGB newColor = cd.open();
        if (newColor == null) {
          return;
        }
        t.setBackground(new Color(d, newColor));
      }
    });
    s.open();
    while (!s.isDisposed()) {
      if (!d.readAndDispatch())
        d.sleep();
    }
    d.dispose();
  }
}





new Button(Group g, SWT.RADIO)

import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.FillLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.ruposite;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Group;
import org.eclipse.swt.widgets.Shell;
public class MainClass {
  public static void main(String[] a) {
    Display d = new Display();
    Shell s = new Shell(d);
    s.setText("A Shell Composite Example");
    GroupExample ge = new GroupExample(s, SWT.SHADOW_ETCHED_IN);
    ge.setLocation(20, 20);
    s.open();
    while (!s.isDisposed()) {
      if (!d.readAndDispatch())
        d.sleep();
    }
    d.dispose();
  }
}
class GroupExample extends Composite {
  final Button b1;
  final Button b2;
  final Button b3;
  public GroupExample(Composite c, int style) {
    super(c, SWT.NO_BACKGROUND);
    this.setSize(110, 75);
    this.setLayout(new FillLayout());
    final Group g = new Group(this, style);
    g.setSize(110, 75);
    g.setText("Options Group");
    b1 = new Button(g, SWT.RADIO);
    b1.setBounds(10, 20, 75, 15);
    b1.setText("Option One");
    b2 = new Button(g, SWT.RADIO);
    b2.setBounds(10, 35, 75, 15);
    b2.setText("Option Two");
    b3 = new Button(g, SWT.RADIO);
    b3.setBounds(10, 50, 80, 15);
    b3.setText("Option Three");
  }
  public String getSelected() {
    if (b1.getSelection())
      return "Option One";
    if (b2.getSelection())
      return "Option Two";
    if (b3.getSelection())
      return "Option Three";
    return "None Selected";
  }
}





new Button(Shell shell, SWT.ARROW)

import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;
public class MainClass {
  public static void main(String[] a) {
    Display display = new Display();
    Shell shell = new Shell(display);
    shell.setLayout(new GridLayout(3, true));
    
    // Create three push buttons
    new Button(shell, SWT.PUSH).setText("Push 1");
    new Button(shell, SWT.PUSH).setText("Push 2");
    new Button(shell, SWT.PUSH).setText("Push 3");
    
    // Create three checkboxes
    new Button(shell, SWT.CHECK).setText("Checkbox 1");
    new Button(shell, SWT.CHECK).setText("Checkbox 2");
    new Button(shell, SWT.CHECK).setText("Checkbox 3");
    
    // Create three toggle buttons
    new Button(shell, SWT.TOGGLE).setText("Toggle 1");
    new Button(shell, SWT.TOGGLE).setText("Toggle 2");
    new Button(shell, SWT.TOGGLE).setText("Toggle 3");
    
    // Create three radio buttons
    new Button(shell, SWT.RADIO).setText("Radio 1");
    new Button(shell, SWT.RADIO).setText("Radio 2");
    new Button(shell, SWT.RADIO).setText("Radio 3");
    
    // Create three flat buttons
    new Button(shell, SWT.FLAT).setText("Flat 1");
    new Button(shell, SWT.FLAT).setText("Flat 2");
    new Button(shell, SWT.FLAT).setText("Flat 3");
    
    // Create three arrow buttons
    new Button(shell, SWT.ARROW);
    new Button(shell, SWT.ARROW | SWT.LEFT);
    new Button(shell, SWT.ARROW | SWT.DOWN);
    shell.pack();
    shell.open();
    while (!shell.isDisposed()) {
      if (!display.readAndDispatch()) {
        display.sleep();
      }
    }
    display.dispose();
  }
}





new Button(Shell shell, SWT.CHECK)

import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;
public class MainClass {
  public static void main(String[] a) {
    Display display = new Display();
    Shell shell = new Shell(display);
    shell.setLayout(new GridLayout(3, true));
    
    // Create three push buttons
    new Button(shell, SWT.PUSH).setText("Push 1");
    new Button(shell, SWT.PUSH).setText("Push 2");
    new Button(shell, SWT.PUSH).setText("Push 3");
    
    // Create three checkboxes
    new Button(shell, SWT.CHECK).setText("Checkbox 1");
    new Button(shell, SWT.CHECK).setText("Checkbox 2");
    new Button(shell, SWT.CHECK).setText("Checkbox 3");
    
    // Create three toggle buttons
    new Button(shell, SWT.TOGGLE).setText("Toggle 1");
    new Button(shell, SWT.TOGGLE).setText("Toggle 2");
    new Button(shell, SWT.TOGGLE).setText("Toggle 3");
    
    // Create three radio buttons
    new Button(shell, SWT.RADIO).setText("Radio 1");
    new Button(shell, SWT.RADIO).setText("Radio 2");
    new Button(shell, SWT.RADIO).setText("Radio 3");
    
    // Create three flat buttons
    new Button(shell, SWT.FLAT).setText("Flat 1");
    new Button(shell, SWT.FLAT).setText("Flat 2");
    new Button(shell, SWT.FLAT).setText("Flat 3");
    
    // Create three arrow buttons
    new Button(shell, SWT.ARROW);
    new Button(shell, SWT.ARROW | SWT.LEFT);
    new Button(shell, SWT.ARROW | SWT.DOWN);
    shell.pack();
    shell.open();
    while (!shell.isDisposed()) {
      if (!display.readAndDispatch()) {
        display.sleep();
      }
    }
    display.dispose();
  }
}





new Button(Shell shell, SWT.FLAT)

import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;
public class MainClass {
  public static void main(String[] a) {
    Display display = new Display();
    Shell shell = new Shell(display);
    shell.setLayout(new GridLayout(3, true));
    
    // Create three push buttons
    new Button(shell, SWT.PUSH).setText("Push 1");
    new Button(shell, SWT.PUSH).setText("Push 2");
    new Button(shell, SWT.PUSH).setText("Push 3");
    
    // Create three checkboxes
    new Button(shell, SWT.CHECK).setText("Checkbox 1");
    new Button(shell, SWT.CHECK).setText("Checkbox 2");
    new Button(shell, SWT.CHECK).setText("Checkbox 3");
    
    // Create three toggle buttons
    new Button(shell, SWT.TOGGLE).setText("Toggle 1");
    new Button(shell, SWT.TOGGLE).setText("Toggle 2");
    new Button(shell, SWT.TOGGLE).setText("Toggle 3");
    
    // Create three radio buttons
    new Button(shell, SWT.RADIO).setText("Radio 1");
    new Button(shell, SWT.RADIO).setText("Radio 2");
    new Button(shell, SWT.RADIO).setText("Radio 3");
    
    // Create three flat buttons
    new Button(shell, SWT.FLAT).setText("Flat 1");
    new Button(shell, SWT.FLAT).setText("Flat 2");
    new Button(shell, SWT.FLAT).setText("Flat 3");
    
    // Create three arrow buttons
    new Button(shell, SWT.ARROW);
    new Button(shell, SWT.ARROW | SWT.LEFT);
    new Button(shell, SWT.ARROW | SWT.DOWN);
    shell.pack();
    shell.open();
    while (!shell.isDisposed()) {
      if (!display.readAndDispatch()) {
        display.sleep();
      }
    }
    display.dispose();
  }
}





new Button(Shell shell, SWT.PUSH)

import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;
public class MainClass {
  public static void main(String[] a) {
    Display display = new Display();
    Shell shell = new Shell(display);
    shell.setLayout(new GridLayout(3, true));
    
    // Create three push buttons
    new Button(shell, SWT.PUSH).setText("Push 1");
    new Button(shell, SWT.PUSH).setText("Push 2");
    new Button(shell, SWT.PUSH).setText("Push 3");
    
    // Create three checkboxes
    new Button(shell, SWT.CHECK).setText("Checkbox 1");
    new Button(shell, SWT.CHECK).setText("Checkbox 2");
    new Button(shell, SWT.CHECK).setText("Checkbox 3");
    
    // Create three toggle buttons
    new Button(shell, SWT.TOGGLE).setText("Toggle 1");
    new Button(shell, SWT.TOGGLE).setText("Toggle 2");
    new Button(shell, SWT.TOGGLE).setText("Toggle 3");
    
    // Create three radio buttons
    new Button(shell, SWT.RADIO).setText("Radio 1");
    new Button(shell, SWT.RADIO).setText("Radio 2");
    new Button(shell, SWT.RADIO).setText("Radio 3");
    
    // Create three flat buttons
    new Button(shell, SWT.FLAT).setText("Flat 1");
    new Button(shell, SWT.FLAT).setText("Flat 2");
    new Button(shell, SWT.FLAT).setText("Flat 3");
    
    // Create three arrow buttons
    new Button(shell, SWT.ARROW);
    new Button(shell, SWT.ARROW | SWT.LEFT);
    new Button(shell, SWT.ARROW | SWT.DOWN);
    shell.pack();
    shell.open();
    while (!shell.isDisposed()) {
      if (!display.readAndDispatch()) {
        display.sleep();
      }
    }
    display.dispose();
  }
}





new Button(Shell shell, SWT.RADIO)

import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;
public class MainClass {
  public static void main(String[] a) {
    Display display = new Display();
    Shell shell = new Shell(display);
    shell.setLayout(new GridLayout(3, true));
    
    // Create three push buttons
    new Button(shell, SWT.PUSH).setText("Push 1");
    new Button(shell, SWT.PUSH).setText("Push 2");
    new Button(shell, SWT.PUSH).setText("Push 3");
    
    // Create three checkboxes
    new Button(shell, SWT.CHECK).setText("Checkbox 1");
    new Button(shell, SWT.CHECK).setText("Checkbox 2");
    new Button(shell, SWT.CHECK).setText("Checkbox 3");
    
    // Create three toggle buttons
    new Button(shell, SWT.TOGGLE).setText("Toggle 1");
    new Button(shell, SWT.TOGGLE).setText("Toggle 2");
    new Button(shell, SWT.TOGGLE).setText("Toggle 3");
    
    // Create three radio buttons
    new Button(shell, SWT.RADIO).setText("Radio 1");
    new Button(shell, SWT.RADIO).setText("Radio 2");
    new Button(shell, SWT.RADIO).setText("Radio 3");
    
    // Create three flat buttons
    new Button(shell, SWT.FLAT).setText("Flat 1");
    new Button(shell, SWT.FLAT).setText("Flat 2");
    new Button(shell, SWT.FLAT).setText("Flat 3");
    
    // Create three arrow buttons
    new Button(shell, SWT.ARROW);
    new Button(shell, SWT.ARROW | SWT.LEFT);
    new Button(shell, SWT.ARROW | SWT.DOWN);
    shell.pack();
    shell.open();
    while (!shell.isDisposed()) {
      if (!display.readAndDispatch()) {
        display.sleep();
      }
    }
    display.dispose();
  }
}





new Button(Shell shell, SWT.TOGGLE)

import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;
public class MainClass {
  public static void main(String[] a) {
    Display display = new Display();
    Shell shell = new Shell(display);
    shell.setLayout(new GridLayout(3, true));
    
    // Create three push buttons
    new Button(shell, SWT.PUSH).setText("Push 1");
    new Button(shell, SWT.PUSH).setText("Push 2");
    new Button(shell, SWT.PUSH).setText("Push 3");
    
    // Create three checkboxes
    new Button(shell, SWT.CHECK).setText("Checkbox 1");
    new Button(shell, SWT.CHECK).setText("Checkbox 2");
    new Button(shell, SWT.CHECK).setText("Checkbox 3");
    
    // Create three toggle buttons
    new Button(shell, SWT.TOGGLE).setText("Toggle 1");
    new Button(shell, SWT.TOGGLE).setText("Toggle 2");
    new Button(shell, SWT.TOGGLE).setText("Toggle 3");
    
    // Create three radio buttons
    new Button(shell, SWT.RADIO).setText("Radio 1");
    new Button(shell, SWT.RADIO).setText("Radio 2");
    new Button(shell, SWT.RADIO).setText("Radio 3");
    
    // Create three flat buttons
    new Button(shell, SWT.FLAT).setText("Flat 1");
    new Button(shell, SWT.FLAT).setText("Flat 2");
    new Button(shell, SWT.FLAT).setText("Flat 3");
    
    // Create three arrow buttons
    new Button(shell, SWT.ARROW);
    new Button(shell, SWT.ARROW | SWT.LEFT);
    new Button(shell, SWT.ARROW | SWT.DOWN);
    shell.pack();
    shell.open();
    while (!shell.isDisposed()) {
      if (!display.readAndDispatch()) {
        display.sleep();
      }
    }
    display.dispose();
  }
}


Источник — «http://jexp.ru/index.php?title=Java_by_API/org.eclipse.swt.widgets/Button&oldid=373»