SWT example

[Jyo]

import org.eclipse.swt.*;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.graphics.*;
import org.eclipse.swt.widgets.*;

public class FirstExample {
public static void main(String[] args){
Display firstDisplay = new Display();
Shell firstShell = new Shell(firstDisplay);
firstShell.setText("First Example");
firstShell.setSize(200,100);
firstShell.open ();
while (!firstShell.isDisposed()) {
if (!firstDisplay.readAndDispatch())
firstDisplay.sleep ();
}
firstDisplay.dispose ();

-------->final Button myButton = new Button(shell, SWT.PUSH);


SelectionAdapter adapter = new SelectionAdapter() {
public void widgetSelected(SelectionEvent event) {
myButton.setText("You clicked me!");
}
};
myButton.addSelectionListener(adapter);
myButton.setText("Click");


}
}


Exception in thread "main" java.lang.Error: Unresolved compilation problem:
shell cannot be resolved

at FirstExample.main(FirstExample.java:20)

[JosAH]

You don't have a variable named 'shell'; you do have one named 'firstShell' though ...

kind regards,

Jos

[Jyo]

Thanks jos again

[Jyo]

Hi Jos,

I am new to Java,this is my first application. I am going to attach an screen in which my manager developed in VB6, he wants me to develop in Java. I am a .net programmer before, So am actually not getting anything. He wants me to develop this using SWT and I dont know what is RCP. He wants me to use that also.If you could please helkp with this I really appreciate ur help.

Thanks a lot in advance
Jyo

[dinosoep]

create a new thread and post a bigger picture.

[Jyo]

Hi,

I hope u can see the screen now.

Thank You.

[dinosoep]

SWT is an open source widget toolkit for Java designed to provide efficient, portable access to the user-interface facilities of the operating systems on which it is implemented.

and eclipse.org/articles/Article-RCP-1/tutorial1.html is a site with a tutorial for rcp.

[Jyo]

Hi All,

I am developing a java application using SWT. In the top I created a tool bar menu, but am not able to create a submenu item in the main menu. I am going to post my code. If anybody can help me with this I appreciate ur help.

import org.eclipse.swt.SWT;
import org.eclipse.swt.custom.CTabFolder;
import org.eclipse.swt.custom.CTabFolder2Listener;
import org.eclipse.swt.custom.CTabFolderEvent;
import org.eclipse.swt.custom.CTabItem;
import org.eclipse.swt.graphics.Color;
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.Listener;
import org.eclipse.swt.widgets.Menu;
import org.eclipse.swt.widgets.MenuItem;
import org.eclipse.swt.widgets.Shell;

public class CTabFolderCTabFolder2Listener {
public static void main(String[] args) {
Display display = new Display();
Shell shell = new Shell(display);
shell.setText("QuiltCAD 3.x.x");

shell.setLayout(new GridLayout(1, true));
Listener showListener = new Listener() {
public void handleEvent(Event event) {
Menu menu = (Menu) event.widget;
MenuItem item = menu.getParentItem();
if (item != null) {
System.out.println(item.getText());

}
}
};
Menu menuBar = new Menu(shell, SWT.BAR);
shell.setMenuBar(menuBar);
MenuItem fileItem = new MenuItem(menuBar, SWT.CASCADE);
fileItem.setText("File");
MenuItem editItem = new MenuItem(menuBar, SWT.CASCADE);
editItem.setText("Edit");
Menu subMenuItem = new Menu(shell, SWT.DROP_DOWN);
fileItem.setMenu(subMenuItem);
MenuItem selectMenuItem = new MenuItem(
subMenuItem, SWT.NULL);
MenuItem viewItem = new MenuItem(menuBar, SWT.CASCADE);
viewItem.setText("View");
MenuItem optionsItem = new MenuItem(menuBar, SWT.CASCADE);
optionsItem.setText("Options");
MenuItem layoutItem = new MenuItem(menuBar, SWT.CASCADE);
layoutItem.setText("Layout");
MenuItem helpItem = new MenuItem(menuBar, SWT.CASCADE);
helpItem.setText("Help");
Menu fileMenu = new Menu(shell, SWT.DROP_DOWN);
fileMenu.addListener(SWT.Show, showListener);
fileItem.setMenu(fileMenu);
CTabFolder tabFolder = new CTabFolder(shell, SWT.TOP);
tabFolder.setBorderVisible(true);
tabFolder.setLayoutData(new GridData(GridData.FILL_BOTH));

// Set up a gradient background for the selected tab
tabFolder.setSelectionBackground(new Color[] {
display.getSystemColor(SWT.COLOR_WIDGET_NORMAL_SHA DOW),
display.getSystemColor(SWT.COLOR_WIDGET_NORMAL_SHA DOW),
display.getSystemColor(SWT.COLOR_WIDGET_LIGHT_SHAD OW) }, new int[] { 50, 100 });
new CTabItem(tabFolder, SWT.NONE, 0).setText("QuiltCAD ");
new CTabItem(tabFolder, SWT.NONE, 1).setText("PatternCAD ");
new CTabItem(tabFolder, SWT.None,2).setText("QuiltLayout ");
new CTabItem(tabFolder, SWT.None, 3).setText("Print Preview");
new CTabItem(tabFolder, SWT.None, 4).setText("Optimizer");
new CTabItem(tabFolder, SWT.None, 5).setText("QuiltMotion");
new CTabItem(tabFolder, SWT.None, 6).setText("Import/Export");
new CTabItem(tabFolder, SWT.None, 7).setText("Virtual Longarm");
new CTabItem(tabFolder, SWT.None, 8).setText("Decorative Stitching");
new CTabItem(tabFolder, SWT.None, 9).setText("Piecing");
tabFolder.addCTabFolder2Listener(new CTabFolder2Listener() {

public void close(CTabFolderEvent arg0) {
System.out.println("close");

}

public void minimize(CTabFolderEvent arg0) {
// TODO Auto-generated method stub

}

public void maximize(CTabFolderEvent arg0) {
// TODO Auto-generated method stub

}

public void restore(CTabFolderEvent arg0) {
// TODO Auto-generated method stub

}

public void showList(CTabFolderEvent arg0) {
// TODO Auto-generated method stub

}
});

shell.open();
while (!shell.isDisposed()) {
if (!display.readAndDispatch()) {
display.sleep();
}
}
display.dispose();
}

}



Thank You,
Jyothi

[Jyo]

HI All,

As you can see in my previous threads I posted my code for the java app using SWT. I need some more help with that, I will be posting a screen on the top u can see Tool bar menu, u8nder that tabs, in the right hand side we have again tabs , buttons , drop down menu . How should I create that on the right side. In the down we have few buttons with the scroll bars. If anybody can please help me with the code, I am very thankful to you.

Thanks a lot in advance

Jyothi

[dinosoep]

for big designing, use an ide :)
it will safe you for much pain and thinking