Java/SWT JFace Eclipse/Label — различия между версиями

Текущая версия на 08:56, 1 июня 2010

Содержание

1 CLabel Border
2 CLabel Gradient Background
3 Create a label (a separator)
4 Create a label (with an image)
5 Demonstrates CLabel
6 Demonstrates CLabel 2
7 Demonstrates CLabel gradients
8 Demonstrates Labels
9 First SWT: Label
10 Formatted Text
11 How to resize the Label when the Shell resizes using a Layout
12 how to resize the Label when the Shell resizes using a Listener mechanism
13 Label Highlighting
14 Label Highlighting 2
15 Label Highlighting 3
16 Label Separator
17 Label Wrap
18 SWT Label With Text

CLabel Border

   <source lang="java">

/******************************************************************************

* Copyright (c) 1998, 2004 Jackwind Li Guojie
* All right reserved. 
* 
* Created on Jan 26, 2004 11:02:38 PM by JACK
* $Id$
* 
* visit: http://www.asprise.ru/swt
*****************************************************************************/

import org.eclipse.swt.SWT; import org.eclipse.swt.custom.CLabel; import org.eclipse.swt.graphics.Color; import org.eclipse.swt.graphics.Image; import org.eclipse.swt.widgets.Display; import org.eclipse.swt.widgets.Shell; public class CLabelBorder {

 Display display = new Display();
 Shell shell = new Shell(display);
 
 Image image = new Image(display, "jexp.gif");
 public CLabelBorder() {
   
   CLabel label1 = new CLabel(shell, SWT.SHADOW_OUT);
   label1.setText("SHADOW_OUT");
   label1.setImage(image);
   label1.setBounds(10, 10, 150, 100);
   
   CLabel label2 = new CLabel(shell, SWT.SHADOW_IN);
   label2.setText("SHADOW_IN");
   label2.setImage(image);
   label2.setBounds(170, 10, 150, 100);
   label2.setBackground(new Color[]{display.getSystemColor(SWT.COLOR_GREEN), 
                      display.getSystemColor(SWT.COLOR_RED),
                      display.getSystemColor(SWT.COLOR_BLUE), 
                      display.getSystemColor(SWT.COLOR_WHITE)},
                new int[] {25, 50, 100});

   CLabel label3 = new CLabel(shell, SWT.SHADOW_NONE);
   label3.setText("SHADOW_NONE");
   label3.setBackground(image);    
   label3.setBounds(330, 10, 150, 100);
   
   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 CLabelBorder();
 }

}

      </source>

CLabel Gradient Background

   <source lang="java">

/******************************************************************************

* Copyright (c) 1998, 2004 Jackwind Li Guojie
* All right reserved. 
* 
* Created on Jan 26, 2004 11:31:38 PM by JACK
* $Id$
* 
* visit: http://www.asprise.ru/swt
*****************************************************************************/

import org.eclipse.swt.SWT; import org.eclipse.swt.custom.CLabel; import org.eclipse.swt.graphics.Color; import org.eclipse.swt.graphics.Image; import org.eclipse.swt.widgets.Display; import org.eclipse.swt.widgets.Shell; public class CLabelGradientBG {

 Display display = new Display();
 Shell shell = new Shell(display);
 Image image = new Image(display, "jexp.gif");
 public CLabelGradientBG() {
   init();
   CLabel labelGradientBg = new CLabel(shell, SWT.SHADOW_IN);
   labelGradientBg.setText("CLabel with gradient colored background");
   labelGradientBg.setImage(image);
   labelGradientBg.setBounds(10, 10, 300, 100);
   labelGradientBg.setBackground(
     new Color[] {
       display.getSystemColor(SWT.COLOR_GREEN),
       display.getSystemColor(SWT.COLOR_WHITE),
       display.getSystemColor(SWT.COLOR_RED)},
     new int[] { 50, 100 });
   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 CLabelGradientBG();
 }

}

      </source>

Create a label (a separator)

   <source lang="java">

/*

* Label example snippet: create a label (a separator)
*
* 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.Display; import org.eclipse.swt.widgets.Label; import org.eclipse.swt.widgets.Shell; public class Snippet37 {

 public static void main(String[] args) {
   Display display = new Display();
   Shell shell = new Shell(display);
   shell.setLayout(new FillLayout());
   new Label(shell, SWT.SEPARATOR | SWT.HORIZONTAL);
   new Label(shell, SWT.SEPARATOR | SWT.VERTICAL);
   shell.setSize(200, 200);
   shell.open();
   while (!shell.isDisposed()) {
     if (!display.readAndDispatch())
       display.sleep();
   }
   display.dispose();
 }

}

      </source>

Create a label (with an image)

   <source lang="java">

/*

* Label example snippet: create a label (with an image)
*
* 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.graphics.Color; import org.eclipse.swt.graphics.GC; import org.eclipse.swt.graphics.Image; import org.eclipse.swt.widgets.Display; import org.eclipse.swt.widgets.Label; import org.eclipse.swt.widgets.Shell; public class Snippet34 {

 public static void main(String[] args) {
   Display display = new Display();
   Image image = new Image(display, 16, 16);
   Color color = display.getSystemColor(SWT.COLOR_RED);
   GC gc = new GC(image);
   gc.setBackground(color);
   gc.fillRectangle(image.getBounds());
   gc.dispose();
   Shell shell = new Shell(display);
   Label label = new Label(shell, SWT.BORDER);
   label.setImage(image);
   label.pack();
   shell.pack();
   shell.open();
   while (!shell.isDisposed()) {
     if (!display.readAndDispatch())
       display.sleep();
   }
   image.dispose();
   display.dispose();
 }

}

      </source>

Demonstrates CLabel

   <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.custom.CLabel; import org.eclipse.swt.graphics.Image; import org.eclipse.swt.layout.FillLayout; import org.eclipse.swt.widgets.*; /**

* This class demonstrates CLabel
*/

public class CLabelShort {

 private Image lookImage;
 /**
  * Runs the application
  */
 public void run() {
   Display display = new Display();
   Shell shell = new Shell(display);
   shell.setText("CLabel Short");
   // Load the image
   lookImage = new Image(display, this.getClass().getResourceAsStream(
       "jexp.gif"));
   createContents(shell);
   shell.pack();
   shell.open();
   while (!shell.isDisposed()) {
     if (!display.readAndDispatch()) {
       display.sleep();
     }
   }
   // Dispose the image
   if (lookImage != null) lookImage.dispose();
   display.dispose();
 }
 /**
  * Creates the main window"s contents
  * 
  * @param parent the main window
  */
 private void createContents(Composite parent) {
   parent.setLayout(new FillLayout());
   // Create the CLabel
   CLabel label = new CLabel(parent, SWT.LEFT);
   label.setText("This is a CLabel with a lot of long-winded text");
   label.setImage(lookImage);
 }
 /**
  * The application entry point
  * 
  * @param args the command line arguments
  */
 public static void main(String[] args) {
   new CLabelShort().run();
 }

}

      </source>

Demonstrates CLabel 2

   <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.custom.CLabel; import org.eclipse.swt.layout.*; import org.eclipse.swt.widgets.*; /**

* This class demonstrates CLabel
*/

public class CLabelTest {

 /**
  * Runs the application
  */
 public void run() {
   Display display = new Display();
   Shell shell = new Shell(display);
   shell.setText("CLabel Test");
   createContents(shell);
   shell.open();
   while (!shell.isDisposed()) {
     if (!display.readAndDispatch()) {
       display.sleep();
     }
   }
   display.dispose();
 }
 /**
  * Creates the main window"s contents
  * 
  * @param parent the main window
  */
 private void createContents(Composite parent) {
   parent.setLayout(new GridLayout(1, false));
   // Create the CLabels
   CLabel left = new CLabel(parent, SWT.LEFT | SWT.SHADOW_IN);
   left.setText("Left and Shadow In");
   left.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
   CLabel center = new CLabel(parent, SWT.CENTER | SWT.SHADOW_OUT);
   center.setText("Center and Shadow Out");
   center.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
   CLabel right = new CLabel(parent, SWT.RIGHT | SWT.SHADOW_NONE);
   right.setText("Right and Shadow None");
   right.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
 }
 /**
  * The application entry point
  * 
  * @param args the command line arguments
  */
 public static void main(String[] args) {
   new CLabelTest().run();
 }

}

      </source>

Demonstrates CLabel gradients

   <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.custom.CLabel; import org.eclipse.swt.graphics.Color; import org.eclipse.swt.layout.*; import org.eclipse.swt.widgets.*; /**

* This class demonstrates CLabel gradients
*/

public class CLabelGradient {

 /**
  * Runs the application
  */
 public void run() {
   Display display = new Display();
   Shell shell = new Shell(display);
   shell.setText("CLabel Gradient");
   createContents(shell);
   shell.open();
   while (!shell.isDisposed()) {
     if (!display.readAndDispatch()) {
       display.sleep();
     }
   }
   display.dispose();
 }
 /**
  * Creates the main window"s contents
  * 
  * @param parent the main window
  */
 private void createContents(Composite parent) {
   parent.setLayout(new GridLayout(1, false));
   // Create the CLabels
   
   
   CLabel one = new CLabel(parent, SWT.LEFT);
   one.setText("First Gradient Example");
   one.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
   one.setBackground(parent.getDisplay().getSystemColor(SWT.COLOR_GRAY));
   // Set the background gradient
   one.setBackground(new Color[] {
       parent.getDisplay().getSystemColor(SWT.COLOR_RED),
       parent.getDisplay().getSystemColor(SWT.COLOR_GREEN),
       parent.getDisplay().getSystemColor(SWT.COLOR_BLUE)}, new int[] { 25, 50});
   CLabel two = new CLabel(parent, SWT.LEFT);
   two.setText("Second Gradient Example");
   two.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
   // Set the background gradient
   two.setBackground(new Color[] {
       parent.getDisplay().getSystemColor(SWT.COLOR_WHITE),
       parent.getDisplay().getSystemColor(SWT.COLOR_GRAY),
       parent.getDisplay().getSystemColor(SWT.COLOR_DARK_GRAY),
       parent.getDisplay().getSystemColor(SWT.COLOR_BLACK)}, new int[] { 33, 67,
       100});
 }
 /**
  * The application entry point
  * 
  * @param args the command line arguments
  */
 public static void main(String[] args) {
   new CLabelGradient().run();
 }

}

      </source>

Demonstrates Labels

   <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.*; import org.eclipse.swt.widgets.*; import org.eclipse.swt.layout.*; import org.eclipse.swt.graphics.*; /**

* This class demonstrates Labels
*/

public class LabelExample {

 public static void main(String[] args) {
   Display display = new Display();
   Shell shell = new Shell();
   shell.setLayout(new GridLayout(1, false));
   // Create a label
   new Label(shell, SWT.NONE).setText("This is a plain label.");
   // Create a vertical separator
   new Label(shell, SWT.SEPARATOR);
   // Create a label with a border
   new Label(shell, SWT.BORDER).setText("This is a label with a border.");
   // Create a horizontal separator
   Label separator = new Label(shell, SWT.HORIZONTAL | SWT.SEPARATOR);
   separator.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
   // Create a label with an image
   Image image = new Image(display, "jexp.gif");
   Label imageLabel = new Label(shell, SWT.NONE);
   imageLabel.setImage(image);
   
   shell.open();
   while (!shell.isDisposed()) {
     if (!display.readAndDispatch()) {
       display.sleep();
     }
   }
   display.dispose();
 }

}

      </source>

First SWT: Label

   <source lang="java">

import org.eclipse.swt.SWT; import org.eclipse.swt.widgets.Display; import org.eclipse.swt.widgets.Label; import org.eclipse.swt.widgets.Shell; public class FirstSWTClass {

 public static void main(String[] args) {
   Display display = new Display();
   Shell shell = new Shell(display);
   shell.setText("First SWT Application");
   shell.setSize(250, 250);
   Label label = new Label(shell, SWT.CENTER);
   label.setText("Greetings from SWT");
   label.setBounds(shell.getClientArea());
   shell.open();
   while (!shell.isDisposed()) {
     if (!display.readAndDispatch())
       display.sleep();
   }
   display.dispose();
 }

}

      </source>

Formatted Text

   <source lang="java">

/******************************************************************************

* All Right Reserved. 
* Copyright (c) 1998, 2004 Jackwind Li Guojie
* 
* Created on Mar 16, 2004 7:20:52 PM by JACK
* $Id$
* 
*****************************************************************************/

import org.eclipse.swt.SWT; import org.eclipse.swt.graphics.Color; import org.eclipse.swt.graphics.Font; import org.eclipse.swt.graphics.FontData; import org.eclipse.swt.graphics.RGB; import org.eclipse.swt.widgets.Button; import org.eclipse.swt.widgets.ColorDialog; import org.eclipse.swt.widgets.Display; import org.eclipse.swt.widgets.Event; import org.eclipse.swt.widgets.FontDialog; import org.eclipse.swt.widgets.Label; import org.eclipse.swt.widgets.Listener; import org.eclipse.swt.widgets.Shell; public class FormattedText {

 Display display = new Display();
 Shell shell = new Shell(display);
 
 // the label used to display the text.
 Label label;
 
 Button buttonColor;
 Button buttonFont;
 
 // current selected color.
 Color color;
 // current selected font.
 Font font;
 public FormattedText() {
   label = new Label(shell, SWT.BORDER | SWT.WRAP);
   label.setBackground(display.getSystemColor(SWT.COLOR_WHITE));
   label.setText("Java UI Programming with SWT/JFace");
   
   buttonColor = new Button(shell, SWT.PUSH);
   buttonColor.setText("Change color");
   buttonColor.addListener(SWT.Selection, new Listener() {
     public void handleEvent(Event event) {
       ColorDialog colorDialog = new ColorDialog(shell);
       if(color != null)
         colorDialog.setRGB(color.getRGB());
       RGB value = colorDialog.open();
       if(value != null) {
         if(color != null)
           color.dispose();
         color = new Color(display, value);
         label.setForeground(color);
       }else{
         System.out.println("Setting foreground color action canceled.");
       }
     }
   });
   
   buttonFont = new Button(shell, SWT.PUSH);
   buttonFont.setText("Change font");
   buttonFont.addListener(SWT.Selection, new Listener() {
     public void handleEvent(Event event) {
       FontDialog fontDialog = new FontDialog(shell);
       if(font != null)
         fontDialog.setFontList(font.getFontData());
       FontData fontData = fontDialog.open();
       if(fontData != null) {
         if(font != null)
           font.dispose();
         font = new Font(display, fontData);
         label.setFont(font);
       }else{
         System.out.println("Setting font action canceled.");
       }
     }
   });
   
   label.setBounds(0, 0, 300, 120);
   buttonColor.setBounds(50, 130, 90, 25);
   buttonFont.setBounds(160, 130, 90, 25);
   shell.setSize(300, 190);
   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 FormattedText();
 }

}

      </source>

How to resize the Label when the Shell resizes using a Layout

   <source lang="java">

import java.util.ResourceBundle; import org.eclipse.swt.SWT; import org.eclipse.swt.layout.FillLayout; import org.eclipse.swt.widgets.Display; import org.eclipse.swt.widgets.Label; import org.eclipse.swt.widgets.Shell; /*

* This example builds on HelloWorld2 and demonstrates how to resize the 
* Label when the Shell resizes using a Layout.
*/

public class HelloWorld4 {

 public static void main(String[] args) {
   Display display = new Display();
   Shell shell = new HelloWorld4().open(display);
   while (!shell.isDisposed()) {
     if (!display.readAndDispatch())
       display.sleep();
   }
   display.dispose();
 }
 public Shell open(Display display) {
   Shell shell = new Shell(display);
   shell.setLayout(new FillLayout());
   Label label = new Label(shell, SWT.CENTER);
   label.setText("Hello_world");
   shell.pack();
   shell.open();
   return shell;
 }

}

      </source>

how to resize the Label when the Shell resizes using a Listener mechanism

   <source lang="java">

import java.util.ResourceBundle; import org.eclipse.swt.SWT; import org.eclipse.swt.events.ControlAdapter; import org.eclipse.swt.events.ControlEvent; import org.eclipse.swt.widgets.Display; import org.eclipse.swt.widgets.Label; import org.eclipse.swt.widgets.Shell; /*

* This example builds on HelloWorld2 and demonstrates how to resize the 
* Label when the Shell resizes using a Listener mechanism.
*/

public class HelloWorld3 {

 public static void main(String[] args) {
   Display display = new Display();
   Shell shell = new HelloWorld3().open(display);
   while (!shell.isDisposed()) {
     if (!display.readAndDispatch())
       display.sleep();
   }
   display.dispose();
 }
 public Shell open(Display display) {
   final Shell shell = new Shell(display);
   final Label label = new Label(shell, SWT.CENTER);
   label.setText("Hello_world");
   label.pack();
   shell.addControlListener(new ControlAdapter() {
     public void controlResized(ControlEvent e) {
       label.setBounds(shell.getClientArea());
     }
   });
   shell.pack();
   shell.open();
   return shell;
 }

}

      </source>

Label Highlighting

   <source lang="java">

/******************************************************************************

* Copyright (c) 1998, 2004 Jackwind Li Guojie
* All right reserved. 
* 
* Created on Oct 28, 2003 8:10:30 PM by JACK
* $Id: LabelHighlighting.java,v 1.1 2003/12/22 12:07:54 jackwind Exp $
* 
* visit: http://www.asprise.ru/swt
*****************************************************************************/

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; public class LabelHighlighting {

 Display display = new Display();
 Shell shell = new Shell(display);
 Label label = new Label(shell, SWT.SHADOW_IN | SWT.CENTER);
 Listener listener = new MouseEnterExitListener();
 
 public LabelHighlighting() {
   
   label.setText("Point your cursor here ...");
   label.setBounds(30, 30, 200, 30);
   
   label.addListener(SWT.MouseEnter, listener);
   label.addListener(SWT.MouseExit, listener);
   
   shell.setText("Move your cursor to test ...");
   shell.setSize(260, 120);
   shell.open();    
   
     
   while(! shell.isDisposed()) {
     if(! display.readAndDispatch()) {// If no more entries in event queue
       display.sleep();
     }
   }
   
   display.dispose();
 }
 
 class MouseEnterExitListener implements Listener {
   public void handleEvent(Event e) {
     switch (e.type) {
       case SWT.MouseEnter :
         display.syncExec(new Runnable() {
           public void run() {
             label.setBackground(display.getSystemColor(SWT.COLOR_YELLOW));
             label.setText("Cursor enters the label");
           }
         });
         
         break;
       case SWT.MouseExit :
         display.syncExec(new Runnable() {
           public void run() {
             label.setBackground(display.getSystemColor(SWT.COLOR_WIDGET_BACKGROUND));
             label.setText("Cursor leaves the label");
           }
         });
         
         break;
     }
   }
 }

 public static void main(String[] args) {
   new LabelHighlighting();
 }

}

      </source>

Label Highlighting 2

   <source lang="java">

/******************************************************************************

* Copyright (c) 1998, 2004 Jackwind Li Guojie
* All right reserved. 
* 
* Created on Oct 28, 2003 8:10:30 PM by JACK
* $Id: LabelHighlighting2.java,v 1.1 2003/12/22 12:07:54 jackwind Exp $
* 
* visit: http://www.asprise.ru/swt
*****************************************************************************/

import org.eclipse.swt.SWT; import org.eclipse.swt.events.MouseEvent; import org.eclipse.swt.events.MouseTrackListener; import org.eclipse.swt.widgets.Display; import org.eclipse.swt.widgets.Label; import org.eclipse.swt.widgets.Shell; public class LabelHighlighting2 {

 Display display = new Display();
 Shell shell = new Shell(display);
 Label label = new Label(shell, SWT.SHADOW_IN | SWT.CENTER);
 MouseTrackListener listener = new MouseEnterExitListener();
 
 public LabelHighlighting2() {
   
   label.setText("Point your cursor here ...");
   label.setBounds(30, 30, 200, 30);
   
   label.addMouseTrackListener(listener);
   
   shell.setText("Move your cursor to test ...");
   shell.setSize(260, 120);
   shell.open();    
   
     
   while(! shell.isDisposed()) {
     if(! display.readAndDispatch()) {// If no more entries in event queue
       display.sleep();
     }
   }
   
   display.dispose();
 }
 
 class MouseEnterExitListener implements MouseTrackListener {
   public void mouseEnter(MouseEvent e) {
     display.syncExec(new Runnable() {
       public void run() {
         label.setBackground(display.getSystemColor(SWT.COLOR_YELLOW));
         label.setText("Cursor enters the label");
       }
     });
   }
   public void mouseExit(MouseEvent arg0) {
     display.syncExec(new Runnable() {
       public void run() {
         label.setBackground(display.getSystemColor(SWT.COLOR_WIDGET_BACKGROUND));
         label.setText("Cursor leaves the label");
       }
     });
   }

   public void mouseHover(MouseEvent arg0) {
     // do nothing
   }
 }

 public static void main(String[] args) {
   new LabelHighlighting2();
 }

}

      </source>

Label Highlighting 3

   <source lang="java">

/******************************************************************************

* Copyright (c) 1998, 2004 Jackwind Li Guojie
* All right reserved. 
* 
* Created on Oct 28, 2003 8:10:30 PM by JACK
* $Id: LabelHighlighting3.java,v 1.1 2003/12/22 12:07:54 jackwind Exp $
* 
* visit: http://www.asprise.ru/swt
*****************************************************************************/

import org.eclipse.swt.SWT; import org.eclipse.swt.events.MouseEvent; import org.eclipse.swt.events.MouseTrackAdapter; import org.eclipse.swt.events.MouseTrackListener; import org.eclipse.swt.widgets.Display; import org.eclipse.swt.widgets.Label; import org.eclipse.swt.widgets.Shell; public class LabelHighlighting3 {

 Display display = new Display();
 Shell shell = new Shell(display);
 Label label = new Label(shell, SWT.SHADOW_IN | SWT.CENTER);
 MouseTrackListener listener = new MouseEnterExitListener();
 
 public LabelHighlighting3() {
   
   label.setText("Point your cursor here ...");
   label.setBounds(30, 30, 200, 30);
   
   label.addMouseTrackListener(listener);
   
   shell.setText("Move your cursor to test ...");
   shell.setSize(260, 120);
   shell.open();    
   
     
   while(! shell.isDisposed()) {
     if(! display.readAndDispatch()) {// If no more entries in event queue
       display.sleep();
     }
   }
   
   display.dispose();
 }
 
 class MouseEnterExitListener extends MouseTrackAdapter {
   public void mouseEnter(MouseEvent e) {
     display.syncExec(new Runnable() {
       public void run() {
         label.setBackground(display.getSystemColor(SWT.COLOR_YELLOW));
         label.setText("Cursor enters the label");
       }
     });
   }
   public void mouseExit(MouseEvent arg0) {
     display.syncExec(new Runnable() {
       public void run() {
         label.setBackground(display.getSystemColor(SWT.COLOR_WIDGET_BACKGROUND));
         label.setText("Cursor leaves the label");
       }
     });
   }
 }

 public static void main(String[] args) {
   new LabelHighlighting3();
 }

}

      </source>

Label Separator

   <source lang="java">

/******************************************************************************

* Copyright (c) 1998, 2004 Jackwind Li Guojie
* All right reserved. 
* 
* Created on Jan 26, 2004 9:29:09 PM by JACK
* $Id$
* 
* visit: http://www.asprise.ru/swt
*****************************************************************************/

import org.eclipse.swt.SWT; import org.eclipse.swt.custom.CLabel; import org.eclipse.swt.graphics.Image; import org.eclipse.swt.widgets.Display; import org.eclipse.swt.widgets.Label; import org.eclipse.swt.widgets.Shell; public class LabelSeparator {

 Display display = new Display();
 Shell shell = new Shell(display);
 
 Image image = new Image(display, "jexp.gif");
 public LabelSeparator() {
   init();
   // shell.setLayout(new RowLayout());
   
   Label label = new Label(shell, SWT.BORDER);
   // Label label = new Label(shell, SWT.SEPARATOR);
   label.setImage(image);
   label.setText("Label");
   label.setBounds(10, 10, 150, 150);
   
   CLabel clabel = new CLabel(shell, SWT.SHADOW_IN);
   clabel.setImage(image);
   clabel.setText("CLabel");
   clabel.setBounds(170, 10, 150, 150);
   
   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 LabelSeparator();
 }

}

      </source>

Label Wrap

   <source lang="java">

/******************************************************************************

* Copyright (c) 1998, 2004 Jackwind Li Guojie
* All right reserved. 
* 
* Created on Jan 26, 2004 9:39:30 PM by JACK
* $Id$
* 
* visit: http://www.asprise.ru/swt
*****************************************************************************/

import org.eclipse.swt.SWT; import org.eclipse.swt.widgets.Display; import org.eclipse.swt.widgets.Label; import org.eclipse.swt.widgets.Shell; public class LabelWrap {

 public LabelWrap() {
   Display display = new Display();
   Shell shell = new Shell(display);
   
   String text = "Professional Java Interfaces With SWT/JFace, by Jack Li Guojie";
   
   Label labelNoWrap = new Label(shell, SWT.BORDER);
   labelNoWrap.setText(text);
   labelNoWrap.setBounds(10, 10, 100, 100);
   
   Label labelWrap = new Label(shell, SWT.WRAP | SWT.BORDER);
   labelWrap.setText(text);
   labelWrap.setBounds(120, 10, 100, 100);
   
   
   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 LabelWrap();
 }

}

      </source>

SWT Label With Text

   <source lang="java">

import org.eclipse.swt.SWT; import org.eclipse.swt.widgets.Display; import org.eclipse.swt.widgets.Label; import org.eclipse.swt.widgets.Shell; /**

* @author Steven Holzner
*/

public class LabelWithText {

 public static void main(String[] args) {
   Display display = new Display();
   Shell shell = new Shell(display);
   shell.setSize(300, 200);
   Label label = new Label(shell, SWT.CENTER);
   label.setText("No worries!");
   label.setBounds(shell.getClientArea());
   shell.open();
   while (!shell.isDisposed()) {
     if (!display.readAndDispatch())
       display.sleep();
   }
   display.dispose();
 }

}

      </source>

Java/SWT JFace Eclipse/Label — различия между версиями

Текущая версия на 08:56, 1 июня 2010

Содержание

CLabel Border

CLabel Gradient Background

Create a label (a separator)

Create a label (with an image)

Demonstrates CLabel

Demonstrates CLabel 2

Demonstrates CLabel gradients

Demonstrates Labels

First SWT: Label

Formatted Text

How to resize the Label when the Shell resizes using a Layout

how to resize the Label when the Shell resizes using a Listener mechanism

Label Highlighting

Label Highlighting 2

Label Highlighting 3

Label Separator

Label Wrap

SWT Label With Text

Навигация

Персональные инструменты

Пространства имён

Варианты

Просмотры

Ещё

Поиск

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Навигация

Инструменты

Версия 21:01, 31 мая 2010 (просмотреть исходный код) (обсуждение)	Текущая версия на 08:56, 1 июня 2010 (просмотреть исходный код) Admin (обсуждение \| вклад) м (1 версия)
(нет различий)