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

List of usage examples for org.eclipse.swt.widgets Button Button

  1. HOME
  2. Java
  3. org.eclipse.swt
  4. org.eclipse.swt.widgets.*
  5. Button
  6. 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:FontRegistry.java

public static void main(String[] args) {
    Display display = new Display();
    Shell shell = new Shell();
    shell.setLayout(new GridLayout(1, false));

    FontRegistry fontRegistry = new FontRegistry(display);

    fontRegistry.put("button-text", new FontData[] { new FontData("Arial", 9, SWT.BOLD) });
    fontRegistry.put("code", new FontData[] { new FontData("Courier New", 10, SWT.NORMAL) });

    Text text = new Text(shell, SWT.MULTI | SWT.BORDER | SWT.WRAP);
    text.setFont(fontRegistry.get("code"));
    text.setForeground(display.getSystemColor(SWT.COLOR_BLUE));
    text.setText("");
    GridData gd = new GridData(GridData.FILL_BOTH);
    gd.horizontalSpan = 2;//  ww  w. ja v a 2  s.co m
    text.setLayoutData(gd);
    Button executeButton = new Button(shell, SWT.PUSH);
    executeButton.setText("Execute");
    executeButton.setFont(fontRegistry.get("button-text"));

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

From source file:org.eclipse.swt.snippets.Snippet107.java

public static void main(String[] args) {
    Display display = new Display();
    final Shell shell = new Shell(display);
    shell.setText("Snippet 107");
    Button button1 = new Button(shell, SWT.PUSH);
    button1.setText("Button 1");
    final Sash sash = new Sash(shell, SWT.VERTICAL);
    Button button2 = new Button(shell, SWT.PUSH);
    button2.setText("Button 2");

    final FormLayout form = new FormLayout();
    shell.setLayout(form);/*w w  w . j a  va 2s .co  m*/

    FormData button1Data = new FormData();
    button1Data.left = new FormAttachment(0, 0);
    button1Data.right = new FormAttachment(sash, 0);
    button1Data.top = new FormAttachment(0, 0);
    button1Data.bottom = new FormAttachment(100, 0);
    button1.setLayoutData(button1Data);

    final int limit = 20, percent = 50;
    final FormData sashData = new FormData();
    sashData.left = new FormAttachment(percent, 0);
    sashData.top = new FormAttachment(0, 0);
    sashData.bottom = new FormAttachment(100, 0);
    sash.setLayoutData(sashData);
    sash.addListener(SWT.Selection, e -> {
        Rectangle sashRect = sash.getBounds();
        Rectangle shellRect = shell.getClientArea();
        int right = shellRect.width - sashRect.width - limit;
        e.x = Math.max(Math.min(e.x, right), limit);
        if (e.x != sashRect.x) {
            sashData.left = new FormAttachment(0, e.x);
            shell.layout();
        }
    });

    FormData button2Data = new FormData();
    button2Data.left = new FormAttachment(sash, 0);
    button2Data.right = new FormAttachment(100, 0);
    button2Data.top = new FormAttachment(0, 0);
    button2Data.bottom = new FormAttachment(100, 0);
    button2.setLayoutData(button2Data);

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

From source file:org.eclipse.swt.snippets.Snippet315.java

public static void main(String[] args) {
    Display display = new Display();
    Shell shell = new Shell(display);
    shell.setText("Snippet 315");
    shell.setLayout(new GridLayout());
    final Button button = new Button(shell, SWT.CHECK);
    button.setLayoutData(//from  ww  w.  jav  a2 s. co  m
            new GridData(GridData.GRAB_VERTICAL | GridData.GRAB_HORIZONTAL | GridData.HORIZONTAL_ALIGN_CENTER));
    button.setText("Tri-state");
    /* Make the button toggle between three states */
    button.addListener(SWT.Selection, e -> {
        if (button.getSelection()) {
            if (!button.getGrayed()) {
                button.setGrayed(true);
            }
        } else {
            if (button.getGrayed()) {
                button.setGrayed(false);
                button.setSelection(true);
            }
        }
    });
    /* Read the tri-state button (application code) */
    button.addListener(SWT.Selection, e -> {
        if (button.getGrayed()) {
            System.out.println("Grayed");
        } else {
            if (button.getSelection()) {
                System.out.println("Selected");
            } else {
                System.out.println("Not selected");
            }
        }
    });
    shell.setSize(300, 300);
    shell.open();
    while (!shell.isDisposed()) {
        if (!display.readAndDispatch())
            display.sleep();
    }
    display.dispose();
}

From source file:org.eclipse.swt.snippets.Snippet224.java

public static void main(String[] args) {
    Display display = new Display();
    final Shell shell = new Shell(display);
    shell.setText("Snippet 224");
    shell.setLayout(new RowLayout(SWT.VERTICAL));
    for (int i = 0; i < 8; i++) {
        Button button = new Button(shell, SWT.RADIO);
        button.setText("B" + i);
        if (i == 0)
            button.setSelection(true);//from   w  w  w . java2 s  .  c o m
    }
    Button button = new Button(shell, SWT.PUSH);
    button.setText("Set Selection to B4");
    button.addListener(SWT.Selection, event -> {
        Control[] children = shell.getChildren();
        Button newButton = (Button) children[4];
        for (int i = 0; i < children.length; i++) {
            Control child = children[i];
            if (child instanceof Button && (child.getStyle() & SWT.RADIO) != 0) {
                ((Button) child).setSelection(false);
            }
        }
        newButton.setSelection(true);
    });
    shell.pack();
    shell.open();
    while (!shell.isDisposed()) {
        if (!display.readAndDispatch())
            display.sleep();
    }
    display.dispose();
}

From source file:org.eclipse.swt.snippets.Snippet4.java

public static void main(String[] args) {
    Display display = new Display();
    final Shell shell = new Shell(display);
    shell.setText("Snippet 4");
    Button b = new Button(shell, SWT.PUSH);
    b.setText("Open Dialog ...");
    b.pack();/*from w w  w .  ja v a  2  s . c  o m*/
    Rectangle clientArea = shell.getClientArea();
    b.setLocation(clientArea.x + 10, clientArea.y + 10);
    b.addSelectionListener(widgetSelectedAdapter(e -> {
        Shell dialog = new Shell(shell, SWT.DIALOG_TRIM);
        dialog.addListener(SWT.Traverse, t -> {
            if (t.detail == SWT.TRAVERSE_ESCAPE) {
                t.doit = false;
            }
        });
        dialog.open();
    }));
    shell.open();
    while (!shell.isDisposed()) {
        if (!display.readAndDispatch())
            display.sleep();
    }
    display.dispose();
}

From source file:MainClass.java

public static void main(String[] a) {

    final Display d = new Display();
    final Shell shell = new Shell(d);

    shell.setSize(250, 200);/* w w  w  . j  av  a 2s .  co m*/

    shell.setLayout(new GridLayout(1, false));

    Composite sash = new Composite(shell, SWT.NONE);
    sash.setLayout(new FillLayout());
    sash.setLayoutData(new GridData(GridData.FILL_BOTH));
    final SashForm sashForm = new SashForm(sash, SWT.HORIZONTAL);

    sashForm.SASH_WIDTH = 5;

    sashForm.setBackground(shell.getDisplay().getSystemColor(SWT.COLOR_WHITE));

    final Button one = new Button(sashForm, SWT.PUSH);
    one.setText("One");
    one.addSelectionListener(new SelectionAdapter() {
        public void widgetSelected(SelectionEvent event) {
            maximizeHelper(one, sashForm);
        }
    });

    final Button two = new Button(sashForm, SWT.PUSH);
    two.setText("Two");
    two.addSelectionListener(new SelectionAdapter() {
        public void widgetSelected(SelectionEvent event) {
            maximizeHelper(two, sashForm);
        }
    });

    final Button three = new Button(sashForm, SWT.PUSH);
    three.setText("Three");
    three.addSelectionListener(new SelectionAdapter() {
        public void widgetSelected(SelectionEvent event) {
            maximizeHelper(three, sashForm);
        }
    });

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

From source file:org.eclipse.swt.snippets.Snippet118.java

public static void main(String[] args) {
    final Display display = new Display();
    final Shell shell = new Shell(display);
    shell.setText("Snippet 118");
    shell.setSize(150, 150);// w  ww .j  a va2  s . c om
    final Cursor[] cursor = new Cursor[1];
    Button button = new Button(shell, SWT.PUSH);
    button.setText("Change cursor");
    Point size = button.computeSize(SWT.DEFAULT, SWT.DEFAULT);
    button.setSize(size);
    button.addListener(SWT.Selection, e -> {
        FileDialog dialog = new FileDialog(shell);
        dialog.setFilterExtensions(new String[] { "*.ico", "*.gif", "*.*" });
        String name = dialog.open();
        if (name == null)
            return;
        ImageData image = new ImageData(name);
        Cursor oldCursor = cursor[0];
        cursor[0] = new Cursor(display, image, 0, 0);
        shell.setCursor(cursor[0]);
        if (oldCursor != null)
            oldCursor.dispose();
    });
    shell.open();
    while (!shell.isDisposed()) {
        if (!display.readAndDispatch())
            display.sleep();
    }
    if (cursor[0] != null)
        cursor[0].dispose();
    display.dispose();
}

From source file:org.eclipse.swt.snippets.Snippet20.java

public static void main(String[] args) {
    Display display = new Display();
    Shell shell = new Shell(display);
    shell.setText("Snippet 20");
    CoolBar bar = new CoolBar(shell, SWT.BORDER);
    for (int i = 0; i < 2; i++) {
        CoolItem item = new CoolItem(bar, SWT.NONE);
        Button button = new Button(bar, SWT.PUSH);
        button.setText("Button " + i);
        Point size = button.computeSize(SWT.DEFAULT, SWT.DEFAULT);
        item.setPreferredSize(item.computeSize(size.x, size.y));
        item.setControl(button);//from   ww w .  j  a  va 2  s  . c  o m
    }
    Rectangle clientArea = shell.getClientArea();
    bar.setLocation(clientArea.x, clientArea.y);
    bar.pack();
    shell.open();
    while (!shell.isDisposed()) {
        if (!display.readAndDispatch())
            display.sleep();
    }
    display.dispose();
}

From source file:org.eclipse.swt.snippets.Snippet215.java

public static void main(String[] args) {
    final Display display = new Display();
    final Shell shell = new Shell(display);
    shell.setText("Snippet 215");
    shell.setLayout(new FillLayout());
    Button button = new Button(shell, SWT.PUSH);
    button.setText("Capture");
    button.addListener(SWT.Selection, event -> {

        /* Take the screen shot */
        GC gc = new GC(display);
        final Image image = new Image(display, display.getBounds());
        gc.copyArea(image, 0, 0);//from  w  w  w.  jav  a2s  . c  o m
        gc.dispose();

        Shell popup = new Shell(shell, SWT.SHELL_TRIM);
        popup.setLayout(new FillLayout());
        popup.setText("Image");
        popup.setBounds(50, 50, 200, 200);
        popup.addListener(SWT.Close, e -> image.dispose());

        ScrolledComposite sc = new ScrolledComposite(popup, SWT.V_SCROLL | SWT.H_SCROLL);
        Canvas canvas = new Canvas(sc, SWT.NONE);
        sc.setContent(canvas);
        canvas.setBounds(display.getBounds());
        canvas.addPaintListener(e -> e.gc.drawImage(image, 0, 0));
        popup.open();
    });
    shell.pack();
    shell.open();
    while (!shell.isDisposed()) {
        if (!display.readAndDispatch())
            display.sleep();
    }
    display.dispose();
}

From source file:org.eclipse.swt.snippets.Snippet206.java

public static void main(String[] args) {
    Display display = new Display();
    Image image = display.getSystemImage(SWT.ICON_QUESTION);
    Shell shell = new Shell(display);
    shell.setText("Snippet 206");
    shell.setLayout(new GridLayout());
    Button button = new Button(shell, SWT.PUSH);
    button.setImage(image);//  ww w.j a  v  a2  s  . com
    button.setText("Button");
    shell.setSize(300, 300);
    shell.open();
    while (!shell.isDisposed()) {
        if (!display.readAndDispatch())
            display.sleep();
    }
    display.dispose();
}