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

Introduction

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

Prototype

public void setLayoutData(Object layoutData) 

Source Link

Document

Sets the layout data associated with the receiver to the argument.

Usage

From source file:org.eclipse.swt.snippets.Snippet212.java

public static void main(String[] args) {
    final Display display = new Display();
    final Shell shell = new Shell(display);
    shell.setText("Snippet 212");
    shell.setLayout(new GridLayout());
    styledText = new StyledText(shell, SWT.WRAP | SWT.BORDER);
    styledText.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
    styledText.setText(text);/*from w  w w  .  j  av a  2  s  . c om*/
    int offset = text.indexOf("\uFFFC", 0);
    addImage(display.getSystemImage(SWT.ICON_QUESTION), offset);
    offset = text.indexOf("\uFFFC", offset + 1);
    addImage(display.getSystemImage(SWT.ICON_INFORMATION), offset);

    // use a verify listener to dispose the images
    styledText.addVerifyListener(event -> {
        if (event.start == event.end)
            return;
        String text = styledText.getText(event.start, event.end - 1);
        int index = text.indexOf('\uFFFC');
        while (index != -1) {
            StyleRange style = styledText.getStyleRangeAtOffset(event.start + index);
            if (style != null) {
                Image image = (Image) style.data;
                if (image != null)
                    image.dispose();
            }
            index = text.indexOf('\uFFFC', index + 1);
        }
    });
    // draw images on paint event
    styledText.addPaintObjectListener(event -> {
        StyleRange style = event.style;
        Image image = (Image) style.data;
        if (!image.isDisposed()) {
            int x = event.x;
            int y = event.y + event.ascent - style.metrics.ascent;
            event.gc.drawImage(image, x, y);
        }
    });
    styledText.addListener(SWT.Dispose, event -> {
        StyleRange[] styles = styledText.getStyleRanges();
        for (int i = 0; i < styles.length; i++) {
            StyleRange style = styles[i];
            if (style.data != null) {
                Image image = (Image) style.data;
                if (image != null)
                    image.dispose();
            }
        }
    });
    Button button = new Button(shell, SWT.PUSH);
    button.setText("Add Image");
    button.setLayoutData(new GridData(SWT.CENTER, SWT.CENTER, false, false));
    button.addListener(SWT.Selection, event -> {
        FileDialog dialog = new FileDialog(shell);
        String filename = dialog.open();
        if (filename != null) {
            try {
                Image image = new Image(display, filename);
                int offset1 = styledText.getCaretOffset();
                styledText.replaceTextRange(offset1, 0, "\uFFFC");
                addImage(image, offset1);
            } catch (Exception e) {
                e.printStackTrace();
            }
        }
    });
    shell.setSize(400, 400);
    shell.open();
    while (!shell.isDisposed()) {
        if (!display.readAndDispatch())
            display.sleep();
    }
    display.dispose();
}

---

From source file:FormLayoutLeftRight.java

public static void main(String[] args) {
    final Display display = new Display();
    final Shell shell = new Shell(display, SWT.SHELL_TRIM);

    shell.setLayout(new FormLayout());

    Button button1 = new Button(shell, SWT.PUSH);
    button1.setText("button1");

    FormData formData = new FormData();
    formData.left = new FormAttachment(20);
    formData.top = new FormAttachment(20);
    button1.setLayoutData(formData);

    shell.pack();//from   w  w w .  j a  v a  2  s  .c o  m
    shell.open();
    // Set up the event loop.
    while (!shell.isDisposed()) {
        if (!display.readAndDispatch()) {
            // If no more entries in event queue
            display.sleep();
        }
    }
    display.dispose();
}

---

From source file:org.eclipse.swt.snippets.Snippet375.java

public static void main(String[] args) throws Exception {
    final Display display = new Display();
    final Shell shell = new Shell(display);
    shell.setText("Snippet 375");
    shell.setLayout(new GridLayout(1, false));

    final StringBuilder sb = new StringBuilder();
    final Random random = new Random(2546);
    for (int i = 0; i < 200; i++) {
        sb.append("Very very long text about ").append(random.nextInt(2000)).append("\t");
        if (i % 10 == 0) {
            sb.append("\n");
        }/*from   w ww . j a v a2 s.  c o m*/
    }

    // H SCROLL
    final Label lbl1 = new Label(shell, SWT.NONE);
    lbl1.setLayoutData(new GridData(GridData.BEGINNING, GridData.CENTER, true, false));
    lbl1.setText("Horizontal Scroll");

    final StyledText txt1 = new StyledText(shell, SWT.MULTI | SWT.BORDER | SWT.H_SCROLL);
    txt1.setLayoutData(new GridData(GridData.FILL, GridData.FILL, true, true));
    txt1.setText(sb.toString());
    txt1.setMouseNavigatorEnabled(true);

    // V_SCROLL
    final Label lbl2 = new Label(shell, SWT.NONE);
    lbl2.setLayoutData(new GridData(GridData.BEGINNING, GridData.CENTER, true, false));
    lbl2.setText("Vertical Scroll");

    final StyledText txt2 = new StyledText(shell, SWT.MULTI | SWT.BORDER | SWT.V_SCROLL);
    txt2.setLayoutData(new GridData(GridData.FILL, GridData.FILL, true, true));
    txt2.setText(sb.toString());
    txt2.setMouseNavigatorEnabled(true);

    // H SCROLL & V_SCROLL
    final Label lbl3 = new Label(shell, SWT.NONE);
    lbl3.setLayoutData(new GridData(GridData.BEGINNING, GridData.CENTER, true, false));
    lbl3.setText("Horizontal and Vertical Scroll");

    final StyledText txt3 = new StyledText(shell, SWT.MULTI | SWT.BORDER | SWT.H_SCROLL | SWT.V_SCROLL);
    txt3.setLayoutData(new GridData(GridData.FILL, GridData.FILL, true, true));

    txt3.setText(sb.toString());
    txt3.setMouseNavigatorEnabled(true);

    final Button enableDisableButton = new Button(shell, SWT.PUSH);
    enableDisableButton.setLayoutData(new GridData(GridData.END, GridData.FILL, true, false));
    enableDisableButton.setText("Disable Mouse Navigation");
    enableDisableButton.addListener(SWT.Selection, e -> {
        if (txt3.getMouseNavigatorEnabled()) {
            enableDisableButton.setText("Enable Mouse Navigation");
        } else {
            enableDisableButton.setText("Disable Mouse Navigation");
        }
        txt3.setMouseNavigatorEnabled(!txt3.getMouseNavigatorEnabled());
    });

    // Disabled Scroll at start
    final Label lbl4 = new Label(shell, SWT.NONE);
    lbl4.setLayoutData(new GridData(GridData.BEGINNING, GridData.CENTER, true, false));
    lbl4.setText("No scroll at start");

    final StyledText txt4 = new StyledText(shell, SWT.MULTI | SWT.BORDER | SWT.V_SCROLL | SWT.H_SCROLL);
    final GridData gd = new GridData(GridData.FILL, GridData.FILL, true, true);
    gd.minimumHeight = 100;
    txt4.setLayoutData(gd);

    txt4.setText("Disabled scroll");
    txt4.setMouseNavigatorEnabled(true);

    // Disabled Scroll
    final Label lbl5 = new Label(shell, SWT.NONE);
    lbl5.setLayoutData(new GridData(GridData.BEGINNING, GridData.CENTER, true, false));
    lbl5.setText("No scroll");

    final StyledText txt5 = new StyledText(shell, SWT.MULTI | SWT.BORDER);
    final GridData gd5 = new GridData(GridData.FILL, GridData.FILL, true, true);
    gd5.minimumHeight = 100;
    txt5.setLayoutData(gd5);

    txt5.setText("No scroll");
    txt5.setMouseNavigatorEnabled(true);

    shell.setSize(800, 600);
    shell.open();

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

    display.dispose();
}

---

From source file:YetAnotherBorderLayout.java

public static void main(String[] args) {
    Display display = new Display();
    final Shell shell = new Shell(display);
    shell.setLayout(new YetAnotherBorderLayout());
    Button b1 = new Button(shell, SWT.PUSH);
    b1.setText("North");
    b1.setLayoutData(BorderData.NORTH);
    Button b2 = new Button(shell, SWT.PUSH);
    b2.setText("South");
    b2.setLayoutData(BorderData.SOUTH);/*from w  w  w.  j a  va2 s  .c o  m*/
    Button b3 = new Button(shell, SWT.PUSH);
    b3.setText("East");
    b3.setLayoutData(BorderData.EAST);
    Button b4 = new Button(shell, SWT.PUSH);
    b4.setText("West");
    b4.setLayoutData(BorderData.WEST);
    Button b5 = new Button(shell, SWT.PUSH);
    b5.setText("Center");
    b5.setLayoutData(BorderData.CENTER);
    shell.pack();
    shell.open();
    while (!shell.isDisposed()) {
        if (!display.readAndDispatch()) {
            display.sleep();
        }
    }
    display.dispose();
}

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From source file:FormLayoutAttachEachOther.java

public static void main(String[] args) {
    final Display display = new Display();
    final Shell shell = new Shell(display, SWT.SHELL_TRIM);

    shell.setLayout(new FormLayout());

    Button button1 = new Button(shell, SWT.PUSH);
    button1.setText("button1");

    FormData formData = new FormData();
    formData.left = new FormAttachment(20);
    formData.top = new FormAttachment(20);
    button1.setLayoutData(formData);

    Button button2 = new Button(shell, SWT.PUSH);
    button2.setText("button number 2");

    formData = new FormData();
    formData.left = new FormAttachment(button1, 0, SWT.CENTER);
    formData.top = new FormAttachment(button1, 0, SWT.CENTER);
    button2.setLayoutData(formData);/*  ww w . j a va  2s . co m*/

    shell.pack();
    shell.open();
    // Set up the event loop.
    while (!shell.isDisposed()) {
        if (!display.readAndDispatch()) {
            // If no more entries in event queue
            display.sleep();
        }
    }
    display.dispose();
}

---

From source file:GridLayoutGrabExcessVertical.java

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

    GridLayout gridLayout = new GridLayout();
    gridLayout.numColumns = 2;/*  w ww  . j  a  va 2  s.  c o m*/
    gridLayout.makeColumnsEqualWidth = true;

    shell.setLayout(gridLayout);

    Button button1 = new Button(shell, SWT.PUSH);
    button1.setText("button1"); // Default alignment

    List list = new List(shell, SWT.BORDER);
    list.add("item 1");
    list.add("item 2");
    list.add("item 3");
    GridData gridData = new GridData();
    gridData.grabExcessHorizontalSpace = true;
    gridData.horizontalAlignment = GridData.FILL;
    list.setLayoutData(gridData);

    Button button2 = new Button(shell, SWT.PUSH);
    button2.setText("button #2");
    GridData gridData2 = new GridData();
    gridData2.grabExcessVerticalSpace = true;
    gridData2.verticalAlignment = GridData.FILL;
    button2.setLayoutData(gridData2);

    Button button3 = new Button(shell, SWT.PUSH);
    button3.setText("3");

    shell.setSize(450, 400);
    shell.open();

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

---

From source file:BorderLayoutSWT.java

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

    shell.setLayout(new BorderLayout());

    Button buttonWest = new Button(shell, SWT.PUSH);
    buttonWest.setText("West");
    buttonWest.setLayoutData(new BorderLayout.BorderData(BorderLayout.WEST));

    Button buttonEast = new Button(shell, SWT.PUSH);
    buttonEast.setText("East");
    buttonEast.setLayoutData(new BorderLayout.BorderData(BorderLayout.EAST));

    Button buttonNorth = new Button(shell, SWT.PUSH);
    buttonNorth.setText("North");
    buttonNorth.setLayoutData(new BorderLayout.BorderData(BorderLayout.NORTH));

    Button buttonSouth = new Button(shell, SWT.PUSH);
    buttonSouth.setText("South");
    buttonSouth.setLayoutData(new BorderLayout.BorderData(BorderLayout.SOUTH));

    Text text = new Text(shell, SWT.MULTI | SWT.BORDER | SWT.V_SCROLL | SWT.H_SCROLL);
    text.setText("Center");
    text.setLayoutData(new BorderLayout.BorderData(BorderLayout.CENTER));

    shell.pack();/* www .j  a  va  2s  .c  o m*/
    shell.open();
    // textUser.forceFocus();

    // Set up the event loop.
    while (!shell.isDisposed()) {
        if (!display.readAndDispatch()) {
            // If no more entries in event queue
            display.sleep();
        }
    }

    display.dispose();

}

---

From source file:org.eclipse.swt.snippets.Snippet313.java

public static void main(String[] args) {
    Display display = new Display();
    final Shell shell = new Shell(display);
    shell.setText("Snippet 313");
    shell.setLayout(new FormLayout());

    final Button button = new Button(shell, SWT.PUSH);
    button.setText(">>");
    FormData data = new FormData();
    data.top = new FormAttachment(0, 4);
    data.right = new FormAttachment(100, -4);
    button.setLayoutData(data);

    final Composite composite = new Composite(shell, SWT.BORDER);
    final FormData down = new FormData();
    down.top = new FormAttachment(button, 4, SWT.BOTTOM);
    down.bottom = new FormAttachment(100, -4);
    down.left = new FormAttachment(0, 4);
    down.right = new FormAttachment(100, -4);
    final FormData up = new FormData();
    up.top = new FormAttachment(0);
    up.bottom = new FormAttachment(0);
    up.left = new FormAttachment(0);
    up.right = new FormAttachment(0);
    composite.setLayoutData(up);/*w ww. ja va  2s.  c om*/

    button.addSelectionListener(widgetSelectedAdapter(e -> {
        if (composite.getLayoutData() == up) {
            composite.setLayoutData(down);
            button.setText("<<");
        } else {
            composite.setLayoutData(up);
            button.setText(">>");
        }
        shell.pack();
    }));

    shell.pack();
    shell.open();

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

---

From source file:org.eclipse.swt.snippets.Snippet175.java

public static void main(String[] args) {

    Display display = new Display();
    final Shell shell = new Shell(display);
    shell.setText("Snippet 175");
    shell.setLayout(new GridLayout(3, false));

    Button b = new Button(shell, SWT.PUSH);
    b.setText("Button 0");

    final Button bHidden = new Button(shell, SWT.PUSH);
    bHidden.setText("Button 1");
    GridData data = new GridData();
    data.exclude = true;/* w w  w .  j  av a 2s . c om*/
    data.horizontalSpan = 2;
    data.horizontalAlignment = SWT.FILL;
    bHidden.setLayoutData(data);

    b = new Button(shell, SWT.PUSH);
    b.setText("Button 2");
    b = new Button(shell, SWT.PUSH);
    b.setText("Button 3");
    b = new Button(shell, SWT.PUSH);
    b.setText("Button 4");

    b = new Button(shell, SWT.CHECK);
    b.setText("hide");
    b.setSelection(true);
    b.addListener(SWT.Selection, e -> {
        Button b1 = (Button) e.widget;
        GridData data1 = (GridData) bHidden.getLayoutData();
        data1.exclude = b1.getSelection();
        bHidden.setVisible(!data1.exclude);
        shell.layout(false);
    });
    shell.setSize(400, 400);
    shell.open();
    while (!shell.isDisposed()) {
        if (!display.readAndDispatch())
            display.sleep();
    }
    display.dispose();
}

---

From source file:GridLayoutWidgetExclude.java

public static void main(String[] args) {

    Display display = new Display();
    final Shell shell = new Shell(display);
    shell.setLayout(new GridLayout(3, false));

    Button b = new Button(shell, SWT.PUSH);
    b.setText("Button 0");

    final Button bHidden = new Button(shell, SWT.PUSH);
    bHidden.setText("Button 1");
    GridData data = new GridData();
    data.exclude = true;/*w  ww  . j ava2  s  . c om*/
    data.horizontalSpan = 2;
    data.horizontalAlignment = SWT.FILL;
    bHidden.setLayoutData(data);

    b = new Button(shell, SWT.PUSH);
    b.setText("Button 2");
    b = new Button(shell, SWT.PUSH);
    b.setText("Button 3");
    b = new Button(shell, SWT.PUSH);
    b.setText("Button 4");

    b = new Button(shell, SWT.CHECK);
    b.setText("hide");
    b.setSelection(true);
    b.addListener(SWT.Selection, new Listener() {
        public void handleEvent(Event e) {
            Button b = (Button) e.widget;
            GridData data = (GridData) bHidden.getLayoutData();
            data.exclude = b.getSelection();
            bHidden.setVisible(!data.exclude);
            shell.layout(false);
        }
    });
    shell.setSize(400, 400);
    shell.open();
    while (!shell.isDisposed()) {
        if (!display.readAndDispatch())
            display.sleep();
    }
    display.dispose();
}

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