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

Introduction

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

Prototype

public Composite(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:org.eclipse.swt.snippets.Snippet40.java

public static void main(String[] args) {
    Display display = new Display();
    Shell shell = new Shell(display);
    shell.setText("Snippet 40");
    shell.setLayout(new GridLayout(2, false));
    Composite c1 = new Composite(shell, SWT.BORDER);
    c1.setLayoutData(new GridData(100, 100));
    Composite c2 = new Composite(shell, SWT.BORDER);
    c2.setLayoutData(new GridData(100, 100));
    Menu menu = new Menu(shell, SWT.POP_UP);
    MenuItem item = new MenuItem(menu, SWT.PUSH);
    item.setText("Popup");
    c1.setMenu(menu);/* w  ww .  ja v  a 2 s .c  o m*/
    c2.setMenu(menu);
    shell.setMenu(menu);
    shell.setSize(300, 300);
    shell.open();
    while (!shell.isDisposed()) {
        if (!display.readAndDispatch())
            display.sleep();
    }
    display.dispose();
}

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From source file:org.eclipse.swt.snippets.Snippet6.java

public static void main(String[] args) {
    Display display = new Display();
    final Shell shell = new Shell(display);
    shell.setText("Snippet 6");
    shell.setLayout(new GridLayout());
    final Composite c = new Composite(shell, SWT.NONE);
    GridLayout layout = new GridLayout();
    layout.numColumns = 3;/*w w  w  .  jav  a2s  . co  m*/
    c.setLayout(layout);
    for (int i = 0; i < 10; i++) {
        Button b = new Button(c, SWT.PUSH);
        b.setText("Button " + i);
    }

    Button b = new Button(shell, SWT.PUSH);
    b.setText("add a new button at row 2 column 1");
    final int[] index = new int[1];
    b.addListener(SWT.Selection, e -> {
        Button s = new Button(c, SWT.PUSH);
        s.setText("Special " + index[0]);
        index[0]++;
        Control[] children = c.getChildren();
        s.moveAbove(children[3]);
        shell.layout(new Control[] { s });
    });

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

---

From source file:org.eclipse.swt.snippets.Snippet115.java

public static void main(String[] args) {
    Display display = new Display();
    Shell shell = new Shell(display);
    shell.setText("Snippet 115");
    shell.setLayout(new RowLayout(SWT.VERTICAL));
    Composite c1 = new Composite(shell, SWT.BORDER | SWT.NO_RADIO_GROUP);
    c1.setLayout(new RowLayout());
    Composite c2 = new Composite(shell, SWT.BORDER | SWT.NO_RADIO_GROUP);
    c2.setLayout(new RowLayout());
    final Composite[] composites = new Composite[] { c1, c2 };
    Listener radioGroup = event -> {/*from w ww  .  j  a  v  a2 s  . com*/
        for (int i = 0; i < composites.length; i++) {
            Composite composite = composites[i];
            Control[] children = composite.getChildren();
            for (int j = 0; j < children.length; j++) {
                Control child = children[j];
                if (child instanceof Button) {
                    Button button1 = (Button) child;
                    if ((button1.getStyle() & SWT.RADIO) != 0)
                        button1.setSelection(false);
                }
            }
        }
        Button button2 = (Button) event.widget;
        button2.setSelection(true);
    };
    for (int i = 0; i < 4; i++) {
        Button button = new Button(c1, SWT.RADIO);
        button.setText("Button " + i);
        button.addListener(SWT.Selection, radioGroup);
    }
    for (int i = 0; i < 4; i++) {
        Button button = new Button(c2, SWT.RADIO);
        button.setText("Button " + (i + 4));
        button.addListener(SWT.Selection, radioGroup);
    }
    shell.pack();
    shell.open();
    while (!shell.isDisposed()) {
        if (!display.readAndDispatch())
            display.sleep();
    }
    display.dispose();
}

---

From source file:org.eclipse.swt.snippets.Snippet46.java

public static void main(String[] args) {
    Display display = new Display();
    final Shell shell = new Shell(display);
    shell.setText("Snippet 46");
    final Composite composite = new Composite(shell, SWT.NONE);
    composite.setEnabled(false);//from   w ww.j a  va 2  s  . c  o  m
    composite.setLayout(new FillLayout());
    Button button = new Button(composite, SWT.PUSH);
    button.setText("Button");
    composite.pack();
    composite.setLocation(10, 10);
    final Point[] offset = new Point[1];
    Listener listener = event -> {
        switch (event.type) {
        case SWT.MouseDown:
            Rectangle rect = composite.getBounds();
            if (rect.contains(event.x, event.y)) {
                Point pt1 = composite.toDisplay(0, 0);
                Point pt2 = shell.toDisplay(event.x, event.y);
                offset[0] = new Point(pt2.x - pt1.x, pt2.y - pt1.y);
            }
            break;
        case SWT.MouseMove:
            if (offset[0] != null) {
                Point pt = offset[0];
                composite.setLocation(event.x - pt.x, event.y - pt.y);
            }
            break;
        case SWT.MouseUp:
            offset[0] = null;
            break;
        }
    };
    shell.addListener(SWT.MouseDown, listener);
    shell.addListener(SWT.MouseUp, listener);
    shell.addListener(SWT.MouseMove, listener);
    shell.setSize(300, 300);
    shell.open();
    while (!shell.isDisposed()) {
        if (!display.readAndDispatch())
            display.sleep();
    }
    display.dispose();
}

---

From source file:org.eclipse.swt.snippets.Snippet9.java

public static void main(String[] args) {
    Display display = new Display();
    final Shell shell = new Shell(display, SWT.SHELL_TRIM | SWT.H_SCROLL | SWT.V_SCROLL);
    shell.setText("Snippet 9");
    final Composite composite = new Composite(shell, SWT.BORDER);
    composite.setSize(700, 600);//from   w  w  w  . ja  v a 2  s  . c o  m
    final Color red = display.getSystemColor(SWT.COLOR_RED);
    composite.addPaintListener(e -> {
        e.gc.setBackground(red);
        e.gc.fillOval(5, 5, 690, 590);
    });
    final ScrollBar hBar = shell.getHorizontalBar();
    hBar.addListener(SWT.Selection, e -> {
        Point location = composite.getLocation();
        location.x = -hBar.getSelection();
        composite.setLocation(location);
    });
    final ScrollBar vBar = shell.getVerticalBar();
    vBar.addListener(SWT.Selection, e -> {
        Point location = composite.getLocation();
        location.y = -vBar.getSelection();
        composite.setLocation(location);
    });
    shell.addListener(SWT.Resize, e -> {
        Point size = composite.getSize();
        Rectangle rect = shell.getClientArea();
        hBar.setMaximum(size.x);
        vBar.setMaximum(size.y);
        hBar.setThumb(Math.min(size.x, rect.width));
        vBar.setThumb(Math.min(size.y, rect.height));
        int hPage = size.x - rect.width;
        int vPage = size.y - rect.height;
        int hSelection = hBar.getSelection();
        int vSelection = vBar.getSelection();
        Point location = composite.getLocation();
        if (hSelection >= hPage) {
            if (hPage <= 0)
                hSelection = 0;
            location.x = -hSelection;
        }
        if (vSelection >= vPage) {
            if (vPage <= 0)
                vSelection = 0;
            location.y = -vSelection;
        }
        composite.setLocation(location);
    });
    shell.setSize(600, 500);
    shell.open();
    while (!shell.isDisposed()) {
        if (!display.readAndDispatch())
            display.sleep();
    }
    display.dispose();
}

---

From source file:ControlEditorSample.java

public static void main(String[] args) {

    final Shell shell = new Shell(display);
    shell.setText("Control Editor");

    final Composite composite = new Composite(shell, SWT.NONE);
    composite.setBackground(color);// ww w .  jav  a2  s.  c  om
    composite.setBounds(0, 0, 300, 100);

    ControlEditor editor = new ControlEditor(composite);
    final Text text = new Text(composite, SWT.BORDER);
    text.addModifyListener(new ModifyListener() {
        public void modifyText(ModifyEvent event) {
            RGB rgb = (RGB) COLORS.get(text.getText());
            if (rgb != null) {
                if (color != null)
                    color.dispose();
                color = new Color(shell.getDisplay(), rgb);
                composite.setBackground(color);
            }
        }
    });

    // Place the editor in the top middle of the parent composite
    editor.horizontalAlignment = SWT.CENTER;
    editor.verticalAlignment = SWT.TOP;
    Point size = text.computeSize(SWT.DEFAULT, SWT.DEFAULT);
    editor.minimumWidth = size.x;
    editor.minimumHeight = size.y;
    editor.setEditor(text);

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

}

---

From source file:org.eclipse.swt.snippets.Snippet77.java

public static void main(String[] args) {
    Display display = new Display();
    Shell shell = new Shell(display);
    shell.setText("Snippet 77");
    shell.setLayout(new FillLayout());

    final Composite comp = new Composite(shell, SWT.NONE);
    final Table table = new Table(comp, SWT.BORDER | SWT.V_SCROLL);
    table.setHeaderVisible(true);//from  w w  w. j a v  a  2  s . c  o  m
    table.setLinesVisible(true);
    final TableColumn column1 = new TableColumn(table, SWT.NONE);
    column1.setText("Column 1");
    final TableColumn column2 = new TableColumn(table, SWT.NONE);
    column2.setText("Column 2");
    for (int i = 0; i < 10; i++) {
        TableItem item = new TableItem(table, SWT.NONE);
        item.setText(new String[] { "item 0" + i, "item 1" + i });
    }
    comp.addControlListener(ControlListener.controlResizedAdapter(e -> {
        Rectangle area = comp.getClientArea();
        Point size = table.computeSize(SWT.DEFAULT, SWT.DEFAULT);
        ScrollBar vBar = table.getVerticalBar();
        int width = area.width - table.computeTrim(0, 0, 0, 0).width - vBar.getSize().x;
        if (size.y > area.height + table.getHeaderHeight()) {
            // Subtract the scrollbar width from the total column width
            // if a vertical scrollbar will be required
            Point vBarSize = vBar.getSize();
            width -= vBarSize.x;
        }
        Point oldSize = table.getSize();
        if (oldSize.x > area.width) {
            // table is getting smaller so make the columns
            // smaller first and then resize the table to
            // match the client area width
            column1.setWidth(width / 3);
            column2.setWidth(width - column1.getWidth());
            table.setSize(area.width, area.height);
        } else {
            // table is getting bigger so make the table
            // bigger first and then make the columns wider
            // to match the client area width
            table.setSize(area.width, area.height);
            column1.setWidth(width / 3);
            column2.setWidth(width - column1.getWidth());
        }
    }));

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

---

From source file:org.eclipse.swt.snippets.Snippet109.java

public static void main(String[] args) {
    final Display display = new Display();
    Shell shell = new Shell(display);
    shell.setText("Snippet 109");
    shell.setLayout(new FillLayout());

    SashForm form = new SashForm(shell, SWT.HORIZONTAL);
    form.setLayout(new FillLayout());

    Composite child1 = new Composite(form, SWT.NONE);
    child1.setLayout(new FillLayout());
    new Label(child1, SWT.NONE).setText("Label in pane 1");

    Composite child2 = new Composite(form, SWT.NONE);
    child2.setLayout(new FillLayout());
    new Button(child2, SWT.PUSH).setText("Button in pane2");

    Composite child3 = new Composite(form, SWT.NONE);
    child3.setLayout(new FillLayout());
    new Label(child3, SWT.PUSH).setText("Label in pane3");

    form.setWeights(new int[] { 30, 40, 30 });
    shell.open();//from   w  w  w  .j  a  va 2  s  .c  o m
    while (!shell.isDisposed()) {
        if (!display.readAndDispatch())
            display.sleep();
    }
    display.dispose();
}

---

From source file:org.eclipse.swt.snippets.Snippet155.java

public static void main(String[] args) {
    final Display display = new Display();
    final Shell shell = new Shell(display);
    shell.setText("Snippet 155");
    shell.setLayout(new FillLayout());
    Composite composite = new Composite(shell, SWT.EMBEDDED);

    /* Draw an X using AWT */
    Frame frame = SWT_AWT.new_Frame(composite);
    Canvas canvas = new Canvas() {
        @Override//w ww .j a va  2  s  .com
        public void paint(Graphics g) {
            Dimension d = getSize();
            g.drawLine(0, 0, d.width, d.height);
            g.drawLine(d.width, 0, 0, d.height);
        }
    };
    frame.add(canvas);

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

---

From source file:org.eclipse.swt.snippets.Snippet98.java

public static void main(String args[]) {
    Display display = new Display();
    final Shell shell = new Shell(display);
    shell.setText("Snippet 98");
    shell.setLayout(new GridLayout());
    Button button = new Button(shell, SWT.PUSH);
    button.setText("Push");
    pageComposite = new Composite(shell, SWT.NONE);
    pageComposite.setLayout(new GridLayout());
    pageComposite.setLayoutData(new GridData());

    button.addListener(SWT.Selection, event -> {
        if ((pageComposite != null) && (!pageComposite.isDisposed())) {
            pageComposite.dispose();/*from  w  w  w .j ava2 s  .  co  m*/
        }
        pageComposite = new Composite(shell, SWT.NONE);
        pageComposite.setLayout(new GridLayout());
        pageComposite.setLayoutData(new GridData());
        if (pageNum++ % 2 == 0) {
            Table table = new Table(pageComposite, SWT.BORDER);
            table.setLayoutData(new GridData());
            for (int i = 0; i < 5; i++) {
                new TableItem(table, SWT.NONE).setText("table item " + i);
            }
        } else {
            new Button(pageComposite, SWT.RADIO).setText("radio");
        }
        shell.layout(true);
    });

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

---

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