Example usage for org.eclipse.swt.widgets Button Button

Introduction

In this page you can find the example usage for org.eclipse.swt.widgets Button Button.

Prototype

public Button(Composite parent, int style) 

Source Link

Document

Constructs a new instance of this class given its parent and a style value describing its behavior and appearance.

Usage

From source file:TableItemUpdateText.java

public static void main(String[] args) {
    final Display display = new Display();
    Shell shell = new Shell(display);
    shell.setBounds(10, 10, 200, 240);/*  www .j a  v  a2 s .c o m*/
    Table table = new Table(shell, SWT.NONE);
    table.setBounds(10, 10, 160, 160);

    final TableItem[] items = new TableItem[4];
    for (int i = 0; i < 4; i++) {
        new TableColumn(table, SWT.NONE).setWidth(40);
    }
    for (int i = 0; i < 4; i++) {
        items[i] = new TableItem(table, SWT.NONE);
        populateItem(items[i]);
    }

    Button button = new Button(shell, SWT.PUSH);
    button.setText("Change");
    button.pack();
    button.setLocation(10, 180);
    button.addListener(SWT.Selection, new Listener() {
        public void handleEvent(Event event) {
            for (int i = 0; i < 4; i++) {
                populateItem(items[i]);
            }
        }
    });

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

---

From source file:org.eclipse.swt.snippets.Snippet294.java

public static void main(String[] args) {
    final Display display = new Display();

    final Shell shell = new Shell(display);
    shell.setText("Regions on a Control");
    shell.setLayout(new FillLayout());
    shell.setBackground(display.getSystemColor(SWT.COLOR_DARK_RED));

    Button b2 = new Button(shell, SWT.PUSH);
    b2.setText("Button with Regions");

    // define a region that looks like a circle with two holes in ot
    Region region = new Region();
    region.add(circle(67, 87, 77));/*from   w  w w.  jav a2s  . c o m*/
    region.subtract(circle(20, 87, 47));
    region.subtract(circle(20, 87, 113));

    // define the shape of the button using setRegion
    b2.setRegion(region);
    b2.setLocation(100, 50);

    b2.addListener(SWT.Selection, e -> shell.close());

    shell.setSize(200, 200);
    shell.open();

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

---

From source file:org.eclipse.swt.snippets.Snippet330.java

public static void main(String[] args) {

    Display display = new Display();
    Shell shell = new Shell(display);
    shell.setText("Snippet 330");
    shell.setLayout(new GridLayout(BUTTONS_PER_ROW, true));

    final Browser browser;
    try {//from w w  w.  jav  a2 s . c  om
        browser = new Browser(shell, SWT.NONE);
    } catch (SWTError e) {
        System.out.println("Could not instantiate Browser: " + e.getMessage());
        display.dispose();
        return;
    }
    GridData data = new GridData(GridData.FILL_BOTH);
    data.horizontalSpan = BUTTONS_PER_ROW;
    browser.setLayoutData(data);

    {
        Button setHeaders = new Button(shell, SWT.PUSH);
        setHeaders.setText("Send custom headers");
        setHeaders.addListener(SWT.Selection,
                event -> browser.setUrl("http://www.ericgiguere.com/tools/http-header-viewer.html", null,
                        new String[] { "User-agent: SWT Browser", "Custom-header: this is just a demo" }));
    }

    {
        Button postTextPlain = new Button(shell, SWT.PUSH);
        postTextPlain.setText("Post data as 'text/plain'");
        postTextPlain.addListener(SWT.Selection, event -> browser.setUrl("http://httpbin.org/post",
                "Plain text passed as postData", new String[] { "content-type: text/plain" }));
    }

    {
        Button postTextPlainUtf8 = new Button(shell, SWT.PUSH);
        postTextPlainUtf8.setText("Post data as 'text/plain' and specify encoding.");
        postTextPlainUtf8.addListener(SWT.Selection, event -> browser.setUrl("http://httpbin.org/post",
                "Plain text passed as postData", new String[] { "content-type: text/plain; charset=UTF-8" }));
    }

    {
        Button postUrlEncoded = new Button(shell, SWT.PUSH);
        postUrlEncoded.setText("Post data with url encoding key=value");
        postUrlEncoded.addListener(SWT.Selection,
                event -> browser.setUrl("http://httpbin.org/post", "MyKey1=MyValue1&MyKey2=MyValue2",
                        new String[] { "content-type: application/x-www-form-urlencoded" }));
    }

    {
        Button postDataBugzilla = new Button(shell, SWT.PUSH);
        postDataBugzilla.setText("Send post data to bugzilla. url encoding is used as default");
        postDataBugzilla.addListener(SWT.Selection, event -> browser.setUrl(
                "https://bugs.eclipse.org/bugs/buglist.cgi",
                "emailassigned_to1=1&bug_severity=enhancement&bug_status=NEW&email1=platform-swt-inbox&emailtype1=substring",
                null));
    }

    {
        Button postDataBugzillaLongQuery = new Button(shell, SWT.PUSH);
        postDataBugzillaLongQuery.setText("Send post data to bugzilla. Very slow response");
        postDataBugzillaLongQuery.addListener(SWT.Selection,
                event -> browser.setUrl("https://bugs.eclipse.org/bugs/buglist.cgi",
                        "emailassigned_to1=1&bug_severity=enhancement&bug_status=NEW", null));
    }

    shell.setSize(1000, 1000);
    shell.open();
    while (!shell.isDisposed()) {
        if (!display.readAndDispatch())
            display.sleep();
    }
    display.dispose();
}

---

From source file:org.eclipse.swt.snippets.Snippet106.java

public static void main(String[] args) {
    Display display = new Display();
    Shell shell = new Shell(display);
    shell.setText("Snippet 106");
    shell.setLayout(new RowLayout(SWT.VERTICAL));
    final Table table = new Table(shell, SWT.BORDER | SWT.MULTI);
    table.setHeaderVisible(true);/*from   w  ww  . ja va 2  s  . co m*/
    for (int i = 0; i < 4; i++) {
        TableColumn column = new TableColumn(table, SWT.NONE);
        column.setText("Column " + i);
    }
    final TableColumn[] columns = table.getColumns();
    for (int i = 0; i < 12; i++) {
        TableItem item = new TableItem(table, SWT.NONE);
        for (int j = 0; j < columns.length; j++) {
            item.setText(j, "Item " + i);
        }
    }
    for (int i = 0; i < columns.length; i++)
        columns[i].pack();
    Button button = new Button(shell, SWT.PUSH);
    final int index = 1;
    button.setText("Insert Column " + index + "a");
    button.addListener(SWT.Selection, e -> {
        TableColumn column = new TableColumn(table, SWT.NONE, index);
        column.setText("Column " + index + "a");
        TableItem[] items = table.getItems();
        for (int i = 0; i < items.length; i++) {
            items[i].setText(index, "Item " + i + "a");
        }
        column.pack();
    });
    shell.pack();
    shell.open();
    while (!shell.isDisposed()) {
        if (!display.readAndDispatch())
            display.sleep();
    }
    display.dispose();
}

---

From source file:org.eclipse.swt.snippets.Snippet186.java

public static void main(String[] args) {
    Display display = new Display();
    Shell shell = new Shell(display);
    shell.setText("Snippet 186");
    shell.setLayout(new GridLayout(2, false));

    final Text text = new Text(shell, SWT.BORDER);
    text.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false, 1, 1));
    Button go = new Button(shell, SWT.PUSH);
    go.setText("Go");
    OleFrame oleFrame = new OleFrame(shell, SWT.NONE);
    oleFrame.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true, 2, 1));
    OleControlSite controlSite;//from w  ww .j a  v a 2s. co  m
    OleAutomation automation;
    try {
        controlSite = new OleControlSite(oleFrame, SWT.NONE, "Shell.Explorer");
        automation = new OleAutomation(controlSite);
        controlSite.doVerb(OLE.OLEIVERB_INPLACEACTIVATE);
    } catch (SWTException ex) {
        System.out.println("Unable to open activeX control");
        display.dispose();
        return;
    }

    final OleAutomation auto = automation;
    go.addListener(SWT.Selection, new Listener() {
        @Override
        public void handleEvent(Event e) {
            String url = text.getText();
            int[] rgdispid = auto.getIDsOfNames(new String[] { "Navigate", "URL" });
            int dispIdMember = rgdispid[0];
            Variant[] rgvarg = new Variant[1];
            rgvarg[0] = new Variant(url);
            int[] rgdispidNamedArgs = new int[1];
            rgdispidNamedArgs[0] = rgdispid[1];
            auto.invoke(dispIdMember, rgvarg, rgdispidNamedArgs);
        }
    });

    // Read PostData whenever we navigate to a site that uses it
    int BeforeNavigate2 = 0xfa;
    controlSite.addEventListener(BeforeNavigate2, new OleListener() {
        @Override
        public void handleEvent(OleEvent event) {
            Variant url = event.arguments[1];
            Variant postData = event.arguments[4];
            if (postData != null) {
                System.out.println("PostData = " + readSafeArray(postData) + ", URL = " + url.getString());
            }
        }
    });

    // Navigate to this web site which uses post data to fill in the text field
    // and put the string "hello world" into the text box
    text.setText("file://" + Snippet186.class.getResource("Snippet186.html").getFile());
    int[] rgdispid = automation.getIDsOfNames(new String[] { "Navigate", "URL", "PostData" });
    int dispIdMember = rgdispid[0];
    Variant[] rgvarg = new Variant[2];
    rgvarg[0] = new Variant(text.getText());
    rgvarg[1] = writeSafeArray("hello world");
    int[] rgdispidNamedArgs = new int[2];
    rgdispidNamedArgs[0] = rgdispid[1];
    rgdispidNamedArgs[1] = rgdispid[2];
    automation.invoke(dispIdMember, rgvarg, rgdispidNamedArgs);

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

---

From source file:DialogLayoutDemo.java

public static void main(String[] args) {
    Display display = new Display();
    final Shell shell = new Shell(display);
    Label label = new Label(shell, SWT.WRAP);
    label.setText("This is a long text string that will wrap when the dialog is resized.");
    List list = new List(shell, SWT.BORDER | SWT.H_SCROLL | SWT.V_SCROLL);
    list.setItems(new String[] { "Item 1", "Item 2" });
    Button button1 = new Button(shell, SWT.PUSH);
    button1.setText("OK");
    Button button2 = new Button(shell, SWT.PUSH);
    button2.setText("Cancel");

    final int insetX = 4, insetY = 4;
    FormLayout formLayout = new FormLayout();
    formLayout.marginWidth = insetX;//from  w ww . ja v  a  2 s  .  c  o  m
    formLayout.marginHeight = insetY;
    shell.setLayout(formLayout);

    Point size = label.computeSize(SWT.DEFAULT, SWT.DEFAULT);
    final FormData labelData = new FormData(size.x, SWT.DEFAULT);
    labelData.left = new FormAttachment(0, 0);
    labelData.right = new FormAttachment(100, 0);
    label.setLayoutData(labelData);
    shell.addListener(SWT.Resize, new Listener() {
        public void handleEvent(Event e) {
            Rectangle rect = shell.getClientArea();
            labelData.width = rect.width - insetX * 2;
            shell.layout();
        }
    });

    FormData button2Data = new FormData();
    button2Data.right = new FormAttachment(100, -insetX);
    button2Data.bottom = new FormAttachment(100, 0);
    button2.setLayoutData(button2Data);

    FormData button1Data = new FormData();
    button1Data.right = new FormAttachment(button2, -insetX);
    button1Data.bottom = new FormAttachment(100, 0);
    button1.setLayoutData(button1Data);

    FormData listData = new FormData();
    listData.left = new FormAttachment(0, 0);
    listData.right = new FormAttachment(100, 0);
    listData.top = new FormAttachment(label, insetY);
    listData.bottom = new FormAttachment(button2, -insetY);
    list.setLayoutData(listData);

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

---

From source file:TreeEditorButton.java

public static void main(String[] args) {
    Display display = new Display();
    final Shell shell = new Shell(display);
    shell.setText("Text Tree Editor");
    shell.setLayout(new FillLayout());

    final Tree tree = new Tree(shell, SWT.SINGLE);
    for (int i = 0; i < 3; i++) {
        TreeItem iItem = new TreeItem(tree, SWT.NONE);
        iItem.setText("Item " + (i + 1));
        for (int j = 0; j < 3; j++) {
            TreeItem jItem = new TreeItem(iItem, SWT.NONE);
            jItem.setText("Sub Item " + (j + 1));
            for (int k = 0; k < 3; k++) {
                new TreeItem(jItem, SWT.NONE).setText("Sub Sub Item " + (k + 1));
            }/*  ww  w  . j  a  v  a  2  s  .c  o  m*/
            jItem.setExpanded(true);
        }
        iItem.setExpanded(true);
    }

    final TreeEditor editor = new TreeEditor(tree);
    editor.horizontalAlignment = SWT.LEFT;
    editor.grabHorizontal = true;

    tree.addMouseListener(new MouseAdapter() {
        public void mouseDown(MouseEvent event) {
            final TreeItem item = tree.getSelection()[0];

            final Button bn = new Button(tree, SWT.NONE);
            bn.setText("click");
            bn.setFocus();

            bn.addSelectionListener(new SelectionListener() {

                public void widgetSelected(SelectionEvent arg0) {
                    int style = SWT.ICON_QUESTION | SWT.YES | SWT.NO;

                    MessageBox messageBox = new MessageBox(shell, style);
                    messageBox.setMessage("Message");
                    int rc = messageBox.open();

                    item.setText(rc + "");
                    bn.dispose();
                }

                public void widgetDefaultSelected(SelectionEvent arg0) {
                }
            });

            editor.setEditor(bn, item);
        }
    });

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

---

From source file:CaptureWidgetImageGC.java

public static void main(String[] args) {
    final Display display = new Display();
    final Shell shell = new Shell(display);
    shell.setText("Widget");

    final Table table = new Table(shell, SWT.MULTI);
    table.setLinesVisible(true);/* w ww  . j av  a2 s.c  o m*/
    table.setBounds(10, 10, 100, 100);
    for (int i = 0; i < 9; i++) {
        new TableItem(table, SWT.NONE).setText("item" + i);
    }

    Button button = new Button(shell, SWT.PUSH);
    button.setText("Capture");
    button.pack();
    button.setLocation(10, 140);
    button.addListener(SWT.Selection, new Listener() {
        public void handleEvent(Event event) {
            Point tableSize = table.getSize();
            GC gc = new GC(table);
            final Image image = new Image(display, tableSize.x, tableSize.y);
            gc.copyArea(image, 0, 0);
            gc.dispose();

            Shell popup = new Shell(shell);
            popup.setText("Image");
            popup.addListener(SWT.Close, new Listener() {
                public void handleEvent(Event e) {
                    image.dispose();
                }
            });

            Canvas canvas = new Canvas(popup, SWT.NONE);
            canvas.setBounds(10, 10, tableSize.x + 10, tableSize.y + 10);
            canvas.addPaintListener(new PaintListener() {
                public void paintControl(PaintEvent e) {
                    e.gc.drawImage(image, 0, 0);
                }
            });
            popup.pack();
            popup.open();
        }
    });
    shell.pack();
    shell.open();
    while (!shell.isDisposed()) {
        if (!display.readAndDispatch())
            display.sleep();
    }
    display.dispose();
}

---

From source file:org.eclipse.swt.snippets.Snippet287.java

public static void main(String[] args) {
    final String SEARCH_STRING = "4b";

    Display display = new Display();
    Shell shell = new Shell(display);
    shell.setText("Snippet 287");
    shell.setBounds(10, 10, 300, 300);//from ww  w.ja  v a 2  s  .  co m
    shell.setLayout(new GridLayout());

    /* create the Tree */
    tree = new Tree(shell, SWT.FULL_SELECTION);
    tree.setLinesVisible(true);
    tree.setLayoutData(new GridData(GridData.FILL_BOTH));
    for (int i = 0; i < 3; i++) {
        new TreeColumn(tree, SWT.NONE).setWidth(90);
    }
    int index = 0;
    for (int i = 0; i < 3; i++) {
        TreeItem item = createItem(null, index++);
        for (int j = 0; j < i; j++) {
            item = createItem(item, index++);
        }
    }

    Button button = new Button(shell, SWT.PUSH);
    button.setText("Find '" + SEARCH_STRING + "'");
    button.addListener(SWT.Selection, event -> {
        int itemCount = tree.getItemCount();
        for (int i = 0; i < itemCount; i++) {
            TreeItem item = tree.getItem(i);
            boolean success = find(item, SEARCH_STRING);
            if (success) {
                System.out.println("Found it");
                return;
            }
        }
        System.out.println("Did not find it");
    });
    shell.open();
    while (!shell.isDisposed()) {
        if (!display.readAndDispatch())
            display.sleep();
    }
    display.dispose();
}

---

From source file:org.eclipse.swt.snippets.Snippet201.java

public static void main(String[] args) {
    Display display = new Display();
    final Shell shell = new Shell(display);
    shell.setText("Snippet 201");
    shell.setLayout(new RowLayout(SWT.VERTICAL));
    final Table table = new Table(shell, SWT.VIRTUAL | SWT.BORDER);
    table.addListener(SWT.SetData, event -> {
        TableItem item = (TableItem) event.item;
        int index = table.indexOf(item);
        int start = index / PAGE_SIZE * PAGE_SIZE;
        int end = Math.min(start + PAGE_SIZE, table.getItemCount());
        for (int i = start; i < end; i++) {
            item = table.getItem(i);/*from ww w .ja v a  2  s.  c o m*/
            item.setText("Item " + i);
        }
    });
    table.setLayoutData(new RowData(200, 200));
    Button button = new Button(shell, SWT.PUSH);
    button.setText("Add Items");
    final Label label = new Label(shell, SWT.NONE);
    button.addListener(SWT.Selection, event -> {
        long t1 = System.currentTimeMillis();
        table.setItemCount(COUNT);
        long t2 = System.currentTimeMillis();
        label.setText("Items: " + COUNT + ", Time: " + (t2 - t1) + " (ms) [page=" + PAGE_SIZE + "]");
        shell.layout();
    });
    shell.pack();
    shell.open();
    while (!shell.isDisposed()) {
        if (!display.readAndDispatch())
            display.sleep();
    }
    display.dispose();
}

---

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