Java/SWT JFace Eclipse/Button

Содержание

1 Arrow Button Example
2 Button Example
3 Button Selection Event
4 Button Styles
5 Default Button
6 Demonstrates Buttons
7 Icon Selector
8 Image Button
9 Make a toggle button have radio behavior
10 Set the default button
11 SWT Button
12 SWT Button Action
13 SWT Button Example Demo
14 Widget Styles

Arrow Button Example

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.Button;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Text;
public class ArrowButtonExample {
  Display d;
  Shell s;
  ArrowButtonExample() {
    d = new Display();
    s = new Shell(d);
    s.setSize(250, 250);
    
    s.setText("A Button Example");
    final Button b1 = new Button(s, SWT.ARROW | SWT.UP);
    b1.setBounds(100, 55, 20, 15);
    final Button b2 = new Button(s, SWT.ARROW | SWT.DOWN);
    b2.setBounds(100, 70, 20, 15);
    final Text t1 = new Text(s, SWT.BORDER | SWT.SINGLE | SWT.CENTER);
    t1.setBounds(80, 55, 20, 30);
    t1.setText("1");
    t1.selectAll();
    b1.addSelectionListener(new SelectionAdapter() {
      public void widgetSelected(SelectionEvent e) {
        int n = new Integer(t1.getText()).intValue();
        n++;
        t1.setText(new Integer(n).toString());
        t1.selectAll();
      }
    });
    b2.addSelectionListener(new SelectionAdapter() {
      public void widgetSelected(SelectionEvent e) {
        int n = new Integer(t1.getText()).intValue();
        n--;
        t1.setText(new Integer(n).toString());
        t1.selectAll();
      }
    });
    s.open();
    while (!s.isDisposed()) {
      if (!d.readAndDispatch())
        d.sleep();
    }
    d.dispose();
  }
  public static void main(String[] argv) {
    new ArrowButtonExample();
  }
}

Button Example

import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;
public class SWTButtonExample {
  Display d;
  Shell s;
  SWTButtonExample() {
    d = new Display();
    s = new Shell(d);
    s.setSize(150, 150);
    
    s.setText("A Button Example");
    final Button b1 = new Button(s, SWT.PUSH);
    b1.setBounds(50, 50, 75, 40);
    b1.setText("Push Me");
    s.open();
    while (!s.isDisposed()) {
      if (!d.readAndDispatch())
        d.sleep();
    }
    d.dispose();
  }
  public static void main(String[] argv) {
    new SWTButtonExample();
  }
}

Button Selection Event

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.widgets.Button;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;
public class Gui_4 {
  /**
   * user code fields V4ALL Entry Level
   */
  //user code begin FIELDS {1} Swing
  //user code end
  //user code begin FIELDS {1} SWT
  //user code end
  //user code begin FIELDS {1} HTML
  //user code end
  //user code begin FIELDS {1} Eclipse
  //user code end
  //user code begin FIELDS {1} C#
  //user code end
  /**
   * user code methods V4ALL Entry Level
   */
  //user code begin METHODS {1} Swing
  //user code end
  //user code begin METHODS {1} SWT
  //user code end
  //user code begin METHODS {1} HTML
  //user code end
  //user code begin METHODS {1} Eclipse
  //user code end
  //user code begin METHODS {1} C#
  //user code end
  public void processEvent() {
    // user code begin {1} Swing
    // user code end
    // user code begin {1} SWT
    ivjLabel100.setText("No worries.");
    // user code end
    // user code begin {1} HTML
    // user code end
    // user code begin {1} Eclipse
    // user code end
    // user code begin {1} C#
    // user code end
  }
  /**
   * Initializes connections
   * 
   * @exception java.lang.Exception
   *                The exception description.
   */
  /* WARNING: THIS METHOD WILL BE REGENERATED. */
  private void initConnections() throws java.lang.Exception {
    // user code begin {1} Swing
    // user code end
    // user code begin {1} SWT
    // user code end
    // user code begin {1} HTML
    // user code end
    // user code begin {1} Eclipse
    // user code end
    // user code begin {1} C#
    // user code end
    // user code begin {2} Swing
    // user code end
    // user code begin {2} SWT
    // user code end
    // user code begin {2} HTML
    // user code end
    // user code begin {2} Eclipse
    // user code end
    // user code begin {2} C#
    // user code end
  }
  /**
   * Return the Frame100 property value.
   * 
   * @return Shell
   */
  /* WARNING: THIS METHOD WILL BE REGENERATED. */
  public Shell getFrame100() {
    if (ivjFrame100 == null) {
      try {
        Display display = new Display();
        ivjFrame100 = new Shell(display);
        ivjFrame100.setBounds(47, 55, 365, 184);
        ivjFrame100.setForeground(new Color(null, 0, 0, 0));
        int height = java.awt.Toolkit.getDefaultToolkit()
            .getScreenSize().height;
        int width = java.awt.Toolkit.getDefaultToolkit()
            .getScreenSize().width;
        ivjFrame100.setLocation(width / 2 - 365 / 2,
            height / 2 - 184 / 2);
        // user code begin {1} Swing
        // user code end
        // user code begin {1} SWT
        // user code end
        // user code begin {1} HTML
        // user code end
        // user code begin {1} Eclipse
        // user code end
        // user code begin {1} C#
        // user code end
      } catch (java.lang.Throwable ivjExc) {
        // user code begin {1} Swing
        // user code end
        // user code begin {1} SWT
        // user code end
        // user code begin {1} HTML
        // user code end
        // user code begin {1} Eclipse
        // user code end
        // user code begin {1} C#
        // user code end
        handleException(ivjExc);
      }
    }
    return ivjFrame100;
  }
  /**
   * V4ALL Entry Level Return the Button100 property value.
   * 
   * @return Buttonl
   */
  /* WARNING: THIS METHOD WILL BE REGENERATED. */
  private Button getButton100() {
    if (ivjButton100 == null) {
      try {
        ivjButton100 = new Button(getFrame100(), SWT.NULL);
        ivjButton100.setText("Click Me");
        ivjButton100.setBounds(80, 76, 85, 25);
        ivjButton100.setForeground(new Color(null, 0, 0, 0));
        ivjButton100.addSelectionListener(new SelectionAdapter() {
          public void widgetSelected(SelectionEvent e) {
            processEvent();
            // user code begin {3} SWT
            // user code end
          };
        });
        // user code begin {1} Swing
        // user code end
        // user code begin {1} SWT
        // user code end
        // user code begin {1} HTML
        // user code end
        // user code begin {1} Eclipse
        // user code end
        // user code begin {1} C#
        // user code end
      } catch (java.lang.Throwable ivjExc) {
        // user code begin {2} Swing
        // user code end
        // user code begin {2} SWT
        // user code end
        // user code begin {2} HTML
        // user code end
        // user code begin {2} Eclipse
        // user code end
        // user code begin {2} C#
        // user code end
        handleException(ivjExc);
      }
    }
    return ivjButton100;
  }
  /**
   * V4ALL Entry Level Return the Label100 property value.
   * 
   * @return org.eclipse.swt.widgets.Labell
   */
  /* WARNING: THIS METHOD WILL BE REGENERATED. */
  private org.eclipse.swt.widgets.Label getLabel100() {
    if (ivjLabel100 == null) {
      try {
        ivjLabel100 = new org.eclipse.swt.widgets.Label(getFrame100(),
            SWT.NULL);
        ivjLabel100.setText(" ");
        ivjLabel100.setBounds(218, 76, 82, 23);
        ivjLabel100.setForeground(new Color(null, 0, 0, 0));
        // user code begin {1} Swing
        // user code end
        // user code begin {1} SWT
        // user code end
        // user code begin {1} HTML
        // user code end
        // user code begin {1} Eclipse
        // user code end
        // user code begin {1} C#
        // user code end
      } catch (java.lang.Throwable ivjExc) {
        // user code begin {2} Swing
        // user code end
        // user code begin {2} SWT
        // user code end
        // user code begin {2} HTML
        // user code end
        // user code begin {2} Eclipse
        // user code end
        // user code begin {2} C#
        // user code end
        handleException(ivjExc);
      }
    }
    return ivjLabel100;
  }
  /**
   * Initialize the class.
   */
  /* WARNING: THIS METHOD WILL BE REGENERATED. */
  private void initialize() {
    try {
      // user code begin {1} Swing
      // user code end
      // user code begin {1} SWT
      // user code end
      // user code begin {1} HTML
      // user code end
      // user code begin {1} Eclipse
      // user code end
      // user code begin {1} C#
      // user code end
      initConnections();
      // user code begin {2} Swing
      // user code end
      // user code begin {2} SWT
      // user code end
      // user code begin {2} HTML
      // user code end
      // user code begin {2} Eclipse
      // user code end
      // user code begin {2} C#
      // user code end
    } catch (java.lang.Throwable ivjExc) {
      handleException(ivjExc);
    }
  }
  /**
   * V4ALL Entry Level Called whenever the part throws an exception.
   * 
   * @param exception
   *            java.lang.Throwable
   */
  private void handleException(java.lang.Throwable exception) {
    /* Uncomment the following lines to print uncaught exceptions to stdout */
    // System.out.println("--------- UNCAUGHT EXCEPTION ---------");
    // exception.printStackTrace(System.out);
  }
  private Shell ivjFrame100 = null;
  private Button ivjButton100 = null;
  private org.eclipse.swt.widgets.Label ivjLabel100 = null;
  /**
   * Gui_4 constructor comment.
   * 
   * @param title
   *            java.lang.String
   */
  public Gui_4(String title) {
    getFrame100().setText(title);
  }
  /**
   * main entrypoint - starts the part when it is run as an application
   * 
   * @param args
   *            java.lang.String[]
   */
  public static void main(java.lang.String[] args) {
    try {
      Gui_4 aGui_4;
      aGui_4 = new Gui_4("Frame");
      aGui_4.getFrame100();
      aGui_4.getButton100();
      aGui_4.getLabel100();
      aGui_4.getFrame100().open();
      while (!aGui_4.getFrame100().isDisposed()) {
        if (!aGui_4.getFrame100().getDisplay().readAndDispatch())
          aGui_4.getFrame100().getDisplay().sleep();
      }
      aGui_4.getFrame100().dispose();
    } catch (Throwable exception) {
      System.err
          .println("Exception occurred in main() of javax.swing.JFrame");
      exception.printStackTrace(System.out);
    }
  }
}

Button Styles

/******************************************************************************
 * Copyright (c) 1998, 2004 Jackwind Li Guojie
 * All right reserved. 
 * 
 * Created on Jan 26, 2004 7:38:13 PM by JACK
 * $Id$
 * 
 * visit: http://www.asprise.ru/swt
 *****************************************************************************/

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 ButtonStyles {
  public ButtonStyles() {
    Display display = new Display();
    Shell shell = new Shell(display);
    
    shell.setLayout(new GridLayout(5, true));
    
    Button arrowButton = new Button(shell, SWT.ARROW);
    arrowButton.setText("&Arrow Button");
    Button checkButton = new Button(shell, SWT.CHECK);
    checkButton.setText("&Check Button");
    
    Button pushButton = new Button(shell, SWT.PUSH);
    pushButton.setText("&Push Button");
    
    Button radioButton = new Button(shell, SWT.RADIO);
    radioButton.setText("&Radio Button");
    
    Button toggleButton = new Button(shell, SWT.TOGGLE);
    toggleButton.setText("&Toggle Button");  
    
    // shell.pack();
    shell.setSize(500, 100);
    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();
  }
  private void init() {
  }
  public static void main(String[] args) {
    new ButtonStyles();
  }
}

Default Button

/******************************************************************************
 * Copyright (c) 1998, 2004 Jackwind Li Guojie
 * All right reserved. 
 * 
 * Created on Jan 25, 2004 11:46:01 PM by JACK
 * $Id$
 * 
 * visit: http://www.asprise.ru/swt
 *****************************************************************************/

import org.eclipse.swt.SWT;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.events.SelectionListener;
import org.eclipse.swt.layout.RowLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;
public class SWTDefaultButton {
  public SWTDefaultButton() {
    Display display = new Display();
    Shell shell = new Shell(display);
    shell.setLayout(new RowLayout());
    final String[] ratings =
      new String[] { "Killer!", "Good stuff", "So-so", "Needs work" };
    final Button[] radios = new Button[ratings.length];
    for (int i = 0; i < ratings.length; i++) {
      radios[i] = new Button(shell, SWT.RADIO);
      radios[i].setText(ratings[i]);
    }
    Button cancelButton = new Button(shell, SWT.PUSH);
    cancelButton.setText("Canel");
    Button rateButton = new Button(shell, SWT.PUSH);
    rateButton.setText("Rate!");
    rateButton.addSelectionListener(new SelectionListener() {
      public void widgetSelected(SelectionEvent e) {
        for (int i = 0; i < radios.length; i++)
          if (radios[i].getSelection())
            System.out.println("Rating: " + ratings[i]);
      }
      public void widgetDefaultSelected(SelectionEvent e) {
        System.out.println("Default selection");
      }
    });
    shell.setDefaultButton(rateButton);
    System.out.println(shell.getDefaultButton());
    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 SWTDefaultButton();
  }
}

Demonstrates Buttons

//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 Buttons
 */
public class ButtonExample {
  public static void main(String[] args) {
    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();
  }
}

Icon Selector

/******************************************************************************
 * Copyright (c) 1998, 2004 Jackwind Li Guojie
 * All right reserved. 
 * 
 * Created on Jan 5, 2004 2:15:34 PM by JACK
 * $Id$
 * 
 * visit: http://www.asprise.ru/swt
 *****************************************************************************/
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.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.FileDialog;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Text;
public class IconSelector {
  Display display = new Display();
  Shell shell = new Shell(display);
  Label labelIconFile;
  Text textIconFile;
  
  Button buttonIconBrowse;
  Button buttonSetIcon;
  
  Image shellIcon;
  
  Image buttonIcon;
  
  public IconSelector() {
    initializeUI();
    
    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();
  }
  
  private void initializeUI() {
    GridLayout gridLayout = new GridLayout(3, false);
    shell.setLayout(gridLayout);
    // Adds components to the first row.
    labelIconFile = new Label(shell, SWT.NULL);
    
    textIconFile = new Text(shell, SWT.SINGLE | SWT.BORDER);
    
    GridData gridData = new GridData(GridData.FILL_HORIZONTAL);
    gridData.grabExcessHorizontalSpace = true;
    textIconFile.setLayoutData(gridData);
    
    buttonIconBrowse = new Button(shell, SWT.PUSH);
    // last row.
    gridData = new GridData();
    gridData.horizontalSpan = 3;
    gridData.horizontalAlignment = GridData.CENTER;
    buttonSetIcon = new Button(shell, SWT.PUSH);
    buttonSetIcon.setLayoutData(gridData);
    shell.setText("Icon Selector");
    labelIconFile.setText("Select an icon:");
    buttonIconBrowse.setText("Browse");
    buttonSetIcon.setText("Set Icon");
    // Register listeners.
    buttonIconBrowse.addSelectionListener(new SelectionAdapter() {
      public void widgetSelected(SelectionEvent e) {
        FileDialog dialog = new FileDialog(shell, SWT.OPEN);
        String file = dialog.open();
        if (file != null) {
          textIconFile.setText(file);
        }
      }
    });
    buttonSetIcon.addSelectionListener(new SelectionAdapter() {
      public void widgetSelected(SelectionEvent e) {
        if(shellIcon != null) 
          shellIcon.dispose();
        
        try {
          shellIcon = new Image(display, textIconFile.getText());
          shell.setImage(shellIcon);
        }catch(Exception ex) {
          ex.printStackTrace();
        }
      }
    });  
  
  }
  
  public static void main(String[] args) {
    IconSelector iconSelector = new IconSelector();
  }
}

Image Button

/******************************************************************************
 * Copyright (c) 1998, 2004 Jackwind Li Guojie
 * All right reserved. 
 * 
 * Created on Jan 26, 2004 8:19:53 PM by JACK
 * $Id$
 * 
 * visit: http://www.asprise.ru/swt
 *****************************************************************************/

import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;
public class ImageButton {
  Display display = new Display();
  Shell shell = new Shell(display);
  Image image = new Image(display, "jexp.gif");
  
  public ImageButton() {
    //shell.setLayout(new RowLayout());
    
    Button button = new Button(shell, SWT.PUSH);
    button.setBounds(10, 10, 200, 200);
    
    button.setImage(image);
    button.setText("button");
    
    System.out.println(button.getImage());
    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();
  }
  private void init() {
  }
  public static void main(String[] args) {
    new ImageButton();
  }
}

Make a toggle button have radio behavior

/*
 * Make a toggle button have radio behavior
 *
 * 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.layout.FillLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Control;
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 Snippet169 {
  public static void main(String[] args) {
    Display display = new Display();
    final Shell shell = new Shell(display);
    shell.setLayout(new FillLayout());
    Listener listener = new Listener() {
      public void handleEvent(Event e) {
        Control[] children = shell.getChildren();
        for (int i = 0; i < children.length; i++) {
          Control child = children[i];
          if (e.widget != child && child instanceof Button
              && (child.getStyle() & SWT.TOGGLE) != 0) {
            ((Button) child).setSelection(false);
          }
        }
        ((Button) e.widget).setSelection(true);
      }
    };
    for (int i = 0; i < 20; i++) {
      Button button = new Button(shell, SWT.TOGGLE);
      button.setText("B" + i);
      button.addListener(SWT.Selection, listener);
      if (i == 0)
        button.setSelection(true);
    }
    shell.pack();
    shell.open();
    while (!shell.isDisposed()) {
      if (!display.readAndDispatch())
        display.sleep();
    }
    display.dispose();
  }
}

Set the default button

/*
 * Button example snippet: set the default button
 * 
 * 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.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.Label;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Text;
public class Snippet108 {
  public static void main(String[] args) {
    Display display = new Display();
    Shell shell = new Shell(display);
    Label label = new Label(shell, SWT.NONE);
    label.setText("Enter your name:");
    Text text = new Text(shell, SWT.BORDER);
    text.setLayoutData(new RowData(100, SWT.DEFAULT));
    Button ok = new Button(shell, SWT.PUSH);
    ok.setText("Ok");
    Button cancel = new Button(shell, SWT.PUSH);
    cancel.setText("Cancel");
    shell.setDefaultButton(cancel);
    shell.setLayout(new RowLayout());
    shell.pack();
    shell.open();
    while (!shell.isDisposed()) {
      if (!display.readAndDispatch())
        display.sleep();
    }
    display.dispose();
  }
}

SWT Button

import org.eclipse.swt.SWT;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.events.SelectionListener;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Text;
/**
 * @author Steven Holzner
 * 
 * To change the template for this generated type comment go to
 * Window&gt;Preferences&gt;Java&gt;Code Generation&gt;Code and Comments
 */
public class ButtonClass {
  public static void main(String[] args) {
    Display display = new Display();
    Shell shell = new Shell(display);
    shell.setSize(200, 200);
    shell.setText("Button Example");
    final Button button = new Button(shell, SWT.PUSH);
    button.setBounds(40, 50, 50, 20);
    button.setText("Click Me");
    final Text text = new Text(shell, SWT.BORDER);
    text.setBounds(100, 50, 70, 20);
    button.addSelectionListener(new SelectionListener() {
      public void widgetSelected(SelectionEvent event) {
        text.setText("No problem");
      }
      public void widgetDefaultSelected(SelectionEvent event) {
        text.setText("No worries!");
      }
    });
    shell.open();
    while (!shell.isDisposed()) {
      if (!display.readAndDispatch())
        display.sleep();
    }
    display.dispose();
  }
}

SWT Button Action

/*
 * Created on Nov 20, 2003
 *
 * To change the template for this generated file go to
 * Window&gt;Preferences&gt;Java&gt;Code Generation&gt;Code and Comments
 */
import org.eclipse.swt.SWT;
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;
import org.eclipse.swt.widgets.Text;
/**
 * @author Steven Holzner
 * 
 * To change the template for this generated type comment go to
 * Window&gt;Preferences&gt;Java&gt;Code Generation&gt;Code and Comments
 */
public class SWTButtonAction {
  public static void main(String[] args) {
    Display display = new Display();
    Shell shell = new Shell(display);
    shell.setSize(200, 200);
    shell.setText("Dialogs");
    shell.open();
    final Button opener = new Button(shell, SWT.PUSH);
    opener.setText("Click Me");
    opener.setBounds(20, 20, 50, 25);
    final Text text = new Text(shell, SWT.SHADOW_IN);
    text.setBounds(80, 20, 100, 25);
    final Shell dialog = new Shell(shell, SWT.APPLICATION_MODAL
        | SWT.DIALOG_TRIM);
    dialog.setText("Dialog");
    dialog.setSize(150, 100);
    final Label label = new Label(dialog, SWT.NONE);
    label.setText("OK to proceed?");
    label.setBounds(35, 5, 100, 20);
    final Button okButton = new Button(dialog, SWT.PUSH);
    okButton.setBounds(20, 35, 40, 25);
    okButton.setText("OK");
    Button cancelButton = new Button(dialog, SWT.PUSH);
    cancelButton.setBounds(70, 35, 40, 25);
    cancelButton.setText("Cancel");
    final boolean[] response = new boolean[1];
    response[0] = true;
    Listener listener = new Listener() {
      public void handleEvent(Event event) {
        if (event.widget == okButton) {
          response[0] = true;
        } else {
          response[0] = false;
        }
        dialog.close();
      }
    };
    okButton.addListener(SWT.Selection, listener);
    cancelButton.addListener(SWT.Selection, listener);
    Listener openerListener = new Listener() {
      public void handleEvent(Event event) {
        dialog.open();
      }
    };
    opener.addListener(SWT.Selection, openerListener);
    while (!dialog.isDisposed()) {
      if (!display.readAndDispatch())
        display.sleep();
    }
    if (response[0]) {
      text.setText("You clicked OK");
    } else {
      text.setText("You clicked Cancel");
    }
    while (!shell.isDisposed()) {
      if (!display.readAndDispatch())
        display.sleep();
    }
    display.dispose();
  }
}

SWT Button Example Demo

import org.eclipse.swt.SWT;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.events.SelectionListener;
import org.eclipse.swt.layout.RowLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Text;
/**
 * @author Steven Holzner
 * 
 */
public class SWTButtonExampleDemo {
  public static void main(String[] args) {
    Display display = new Display();
    Shell shell = new Shell(display);
    shell.setSize(300, 200);
    shell.setText("Button Example");
    shell.setLayout(new RowLayout());
    final Button button = new Button(shell, SWT.PUSH);
    button.setText("Click Me");
    final Text text = new Text(shell, SWT.SHADOW_IN);
    button.addSelectionListener(new SelectionListener() {
      public void widgetSelected(SelectionEvent event) {
        text.setText("No worries!");
      }
      public void widgetDefaultSelected(SelectionEvent event) {
        text.setText("No worries!");
      }
    });
    shell.open();
    while (!shell.isDisposed()) {
      if (!display.readAndDispatch())
        display.sleep();
    }
    display.dispose();
  }
}

Widget Styles

/******************************************************************************
 * Copyright (c) 1998, 2004 Jackwind Li Guojie
 * All right reserved. 
 * 
 * Created on Jan 23, 2004 8:56:30 PM by JACK
 * $Id$
 * 
 * visit: http://www.asprise.ru/swt
 *****************************************************************************/
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.DisposeEvent;
import org.eclipse.swt.events.DisposeListener;
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 WidgetStyles {
  Display display = new Display();
  Shell shell = new Shell(display);
  Button button;
  public WidgetStyles() {
    init();
    shell.pack();
    shell.open();
    
    
    System.out.println("Bounds: " + button.getBounds() );
    System.out.println("computeSize: " + button.ruputeSize(100, SWT.DEFAULT));
    System.out.println("computeSize: " + button.ruputeSize(40, SWT.DEFAULT));
    System.out.println("computeSize: " + button.ruputeSize(SWT.DEFAULT, 100));
    System.out.println("computeSize: " + button.ruputeSize(SWT.DEFAULT, 20));
    System.out.println("computeSize: " + button.ruputeSize(SWT.DEFAULT, 15));
    System.out.println("computeSize: " + button.ruputeSize(100, 200));
    System.out.println("computeSize: " + button.ruputeSize(SWT.DEFAULT, SWT.DEFAULT));
    
    System.out.println("toControl: " + button.toControl(100, 200));
    System.out.println("toDisplay: " + button.toDisplay(100, 200));
    
    shell.addDisposeListener(new DisposeListener() {
      public void widgetDisposed(DisposeEvent e) {
        System.out.println(e.widget + " disposed");
      }
    });
    // Set up the event loop.
    while (!shell.isDisposed()) {
      if (!display.readAndDispatch()) {
        // If no more entries in event queue
        display.sleep();
      }
    }
    display.dispose();
  }
  private void init() {
    shell.setLayout(new GridLayout());
    
    button = new Button(shell, SWT.PUSH | SWT.LEFT);
    button.setText("Button");
  }
  public static void main(String[] args) {
    new WidgetStyles();
  }
}

Java/SWT JFace Eclipse/Button

Содержание

Arrow Button Example

Button Example

Button Selection Event

Button Styles

Default Button

Demonstrates Buttons

Icon Selector

Image Button

Make a toggle button have radio behavior

Set the default button

SWT Button

SWT Button Action

SWT Button Example Demo

Widget Styles

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