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

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new Shell(Display arg0)

   <source lang="java">

import org.eclipse.swt.widgets.Display; 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(500, 500);
   s.open();
   while (!s.isDisposed()) {
     if (!d.readAndDispatch())
       d.sleep();
   }
   d.dispose();
 }

} 

      </source>



new Shell(Display display, int style)

   <source lang="java">

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

 public static void main(String[] a) {
     Display d = new Display();
     Shell s = new Shell(d, SWT.CLOSE | SWT.RESIZE);
     s.setSize(300,300);
     s.open();
     while(!s.isDisposed()){
         if(!d.readAndDispatch())
             d.sleep();
     }
     d.dispose();
   }

} 

      </source>



new Shell(Shell parent)

   <source lang="java">

import org.eclipse.swt.widgets.Display; 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(500,500);
   s.open();
   ChildShell cs = new ChildShell(s);
   while(!s.isDisposed()){
       if(!d.readAndDispatch())
           d.sleep();
   }
   d.dispose();
 }

} class ChildShell { 

 ChildShell(Shell parent){
     Shell child = new Shell(parent);
     child.setSize(200,200);
     child.open();        
 }

} 

      </source>



new Shell(shell, SWT.APPLICATION_MODAL | SWT.DIALOG_TRIM) (Make shell a dialog)

   <source lang="java">

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;

public class MainClass { 

 public static void main(String[] a) {
   
   Shell shell = new Shell(new Display());
   final Shell dialog = new Shell(shell, SWT.APPLICATION_MODAL | SWT.DIALOG_TRIM);
   dialog.setText("Delete File");
   dialog.setSize(250, 150);
   final Button buttonOK = new Button(dialog, SWT.PUSH);
   buttonOK.setText("OK");
   buttonOK.setBounds(20, 55, 80, 25);
   Button buttonCancel = new Button(dialog, SWT.PUSH);
   buttonCancel.setText("Cancel");
   buttonCancel.setBounds(120, 55, 80, 25);
   final Label label = new Label(dialog, SWT.NONE);
   label.setText("Delete the file?");
   label.setBounds(20, 15, 100, 20);
   Listener listener = new Listener() {
     public void handleEvent(Event event) {
       if (event.widget == buttonOK) {
         System.out.println("OK");
       } else {
         System.out.println("Cancel");
       }
       dialog.close();
     }
   };
   buttonOK.addListener(SWT.Selection, listener);
   buttonCancel.addListener(SWT.Selection, listener);
   
   dialog.open();
 }

} 

      </source>



Shell: getClientArea()

   <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 MainClass { 

 public static void main(String[] a) {
   Display display = new Display();
   Shell shell = new Shell(display);
   Label label = new Label(shell, SWT.CENTER);
   label.setText("Hello, World");
   label.setBounds(shell.getClientArea());
   shell.open();
   while (!shell.isDisposed()) {
     if (!display.readAndDispatch()) {
       display.sleep();
     }
   }
   display.dispose();
 }

} 

      </source>



Shell: getDisplay()

   <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.Color; import org.eclipse.swt.graphics.Font; import org.eclipse.swt.layout.GridLayout; import org.eclipse.swt.widgets.Button; import org.eclipse.swt.widgets.Display; import org.eclipse.swt.widgets.FontDialog; import org.eclipse.swt.widgets.Label; import org.eclipse.swt.widgets.Shell; public class MainClass { 

 public static void main(String[] a) {
   Display display = new Display();
   // Create the main window
   final Shell shell = new Shell(display);
   shell.setLayout(new GridLayout(2, false));
   final Label fontLabel = new Label(shell, SWT.NONE);
   fontLabel.setText("The selected font");
   Button button = new Button(shell, SWT.PUSH);
   button.setText("Font...");
   button.addSelectionListener(new SelectionAdapter() {
     public void widgetSelected(SelectionEvent event) {
       // Create the color-change dialog
       FontDialog dlg = new FontDialog(shell);
       Font font = null;
       Color color = null;
       if (font != null)
         dlg.setFontList(fontLabel.getFont().getFontData());
       if (color != null)
         dlg.setRGB(color.getRGB());
       if (dlg.open() != null) {
         if (font != null)
           font.dispose();
         if (color != null)
           color.dispose();
         font = new Font(shell.getDisplay(), dlg.getFontList());
         fontLabel.setFont(font);
         color = new Color(shell.getDisplay(), dlg.getRGB());
         fontLabel.setForeground(color);
         shell.pack();
       }
     }
   });
   shell.open();
   while (!shell.isDisposed()) {
     if (!display.readAndDispatch()) {
       display.sleep();
     }
   }
   display.dispose();
 }

} 

      </source>



Shell: open()

   <source lang="java">

import org.eclipse.swt.widgets.Display; 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(500,500);
   s.open();
   ChildShell cs = new ChildShell(s);
   while(!s.isDisposed()){
       if(!d.readAndDispatch())
           d.sleep();
   }
   d.dispose();
 }

} class ChildShell { 

 ChildShell(Shell parent){
     Shell child = new Shell(parent);
     child.setSize(200,200);
     child.open();        
 }

} 


      </source>



Shell: setImage(Image img)

   <source lang="java">

import org.eclipse.swt.graphics.Image; import org.eclipse.swt.widgets.Display; 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(500,500);
     s.setImage(new Image(d, "c:\\icons\\yourico.ico"));
     s.setText("A Shell Example");
     s.open();
     while(!s.isDisposed()){
         if(!d.readAndDispatch())
             d.sleep();
     }
     d.dispose();  
   }

} 


      </source>



Shell: setMenuBar(Menu menu)

   <source lang="java">

import org.eclipse.swt.SWT; import org.eclipse.swt.widgets.Display; import org.eclipse.swt.widgets.Menu; import org.eclipse.swt.widgets.MenuItem; 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 Menu Example");
   Menu m = new Menu(s,SWT.BAR );
   MenuItem file = new MenuItem(m, SWT.CASCADE);
   file.setText("File");
   Menu filemenu = new Menu(s, SWT.DROP_DOWN);
   file.setMenu(filemenu);
   MenuItem openItem = new MenuItem(filemenu, SWT.PUSH);
   openItem.setText("Open");
   MenuItem exitItem = new MenuItem(filemenu, SWT.PUSH);
   exitItem.setText("Exit");
   
   s.setMenuBar(m);
   s.open();
   while(!s.isDisposed()){
       if(!d.readAndDispatch())
           d.sleep();
   }
   d.dispose();
 }

} 

      </source>



Shell: setRegion(Region reg)

   <source lang="java">

import org.eclipse.swt.SWT; import org.eclipse.swt.graphics.Region; 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();
   final Shell shell = new Shell(display);
   Region region = new Region();
   region.add(createCircle(50, 50, 50));
   region.subtract(createCircle(50, 50, 20));
   shell.setRegion(region);
   shell.setSize(region.getBounds().width, region.getBounds().height);
   shell.setBackground(display.getSystemColor(SWT.COLOR_BLUE));
   
   shell.open();
   while (!shell.isDisposed()) {
     if (!display.readAndDispatch()) {
       display.sleep();
     }
   }
   display.dispose();
 }
 static int[] createCircle(int xOffset, int yOffset, int radius) {
   int[] circlePoints = new int[10 * radius];
   for (int loopIndex = 0; loopIndex < 2 * radius + 1; loopIndex++) {
     int xCurrent = loopIndex - radius;
     int yCurrent = (int) Math.sqrt(radius * radius - xCurrent * xCurrent);
     int doubleLoopIndex = 2 * loopIndex;
     
     circlePoints[doubleLoopIndex] = xCurrent + xOffset;
     circlePoints[doubleLoopIndex + 1] = yCurrent + yOffset;
     circlePoints[10 * radius - doubleLoopIndex - 2] = xCurrent + xOffset;
     circlePoints[10 * radius - doubleLoopIndex - 1] = -yCurrent + yOffset;
   }
   
   return circlePoints;
 }

} 

      </source>



Shell: setSize(int width, int height)

   <source lang="java">

import org.eclipse.swt.widgets.Display; 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(500, 500);
   s.open();
   while (!s.isDisposed()) {
     if (!d.readAndDispatch())
       d.sleep();
   }
   d.dispose();
 }

} 

      </source>
Источник — «http://www.jexp.ru/index.php?title=Java_by_API/org.eclipse.swt.widgets/Shell&oldid=385»