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:WidgetTest2.java

/** * Buttons ** */

public static Button createButton(Composite composite) {
    final Button button = new Button(composite, SWT.PUSH);
    button.setText("Press me!");
    //       React to click events
    button.addSelectionListener(new SelectionAdapter() {
        public void widgetSelected(SelectionEvent e) {
            System.out.println("Key was pressed");
        }/*from  w  w w  . j a v  a 2 s.  co m*/
    });
    return button;
}

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From source file:ShowCTabFolder.java

/**
 * Creates the buttons for moving the insert mark and adding a tab
 * /*from  w  w  w .j  a va 2  s .  c o  m*/
 * @param composite the parent composite
 */
private void createButtons(Composite composite) {
    // Move mark left
    Button button = new Button(composite, SWT.PUSH);
    button.setText("<<");
    button.addSelectionListener(new SelectionAdapter() {
        public void widgetSelected(SelectionEvent event) {
            if (insertMark > -1) {
                --insertMark;
                resetInsertMark();
            }
        }
    });

    // Move mark right
    button = new Button(composite, SWT.PUSH);
    button.setText(">>");
    button.addSelectionListener(new SelectionAdapter() {
        public void widgetSelected(SelectionEvent event) {
            if (insertMark < tabFolder.getItemCount() - 1) {
                ++insertMark;
                resetInsertMark();
            }
        }
    });

    // Add a tab
    button = new Button(composite, SWT.PUSH);
    button.setText("Add Tab");
    button.addSelectionListener(new SelectionAdapter() {
        public void widgetSelected(SelectionEvent event) {
            new CTabItem(tabFolder, SWT.NONE, insertMark + 1).setText("Tab (" + (insertMark + 1) + ")");
        }
    });
}

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From source file:org.eclipse.swt.examples.controlexample.LinkTab.java

/**
 * Creates the "Style" group.//from w w w  . ja va 2s.  c o m
 */
@Override
void createStyleGroup() {
    super.createStyleGroup();

    /* Create the extra widgets */
    borderButton = new Button(styleGroup, SWT.CHECK);
    borderButton.setText("SWT.BORDER");
}

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From source file:org.eclipse.swt.examples.controlexample.ProgressBarTab.java

/**
 * Creates the "Style" group./*from   ww  w  .  j  av a 2  s. co m*/
 */
@Override
void createStyleGroup() {
    super.createStyleGroup();

    /* Create the extra widgets */
    smoothButton = new Button(styleGroup, SWT.CHECK);
    smoothButton.setText("SWT.SMOOTH");
    indeterminateButton = new Button(styleGroup, SWT.CHECK);
    indeterminateButton.setText("SWT.INDETERMINATE");
}

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From source file:org.eclipse.swt.examples.graphics.LineCapTab.java

@Override
public void createControlPanel(Composite parent) {

    Composite comp;//from   w  w w  . java  2  s . co  m

    // create color button
    comp = new Composite(parent, SWT.NONE);
    comp.setLayout(new GridLayout());

    ColorMenu cm = new ColorMenu();
    cm.setPatternItems(example.checkAdvancedGraphics());
    menu = cm.createMenu(parent.getParent(), gb -> {
        foreground = gb;
        colorButton.setImage(gb.getThumbNail());
        example.redraw();
    });

    // initialize the foreground to the 3rd item in the menu (red)
    foreground = (GraphicsBackground) menu.getItem(2).getData();

    // color button
    colorButton = new Button(comp, SWT.PUSH);
    colorButton.setText(GraphicsExample.getResourceString("Color")); //$NON-NLS-1$
    colorButton.setImage(foreground.getThumbNail());
    colorButton.addListener(SWT.Selection, event -> {
        final Button button = (Button) event.widget;
        final Composite parent1 = button.getParent();
        Rectangle bounds = button.getBounds();
        Point point = parent1.toDisplay(new Point(bounds.x, bounds.y));
        menu.setLocation(point.x, point.y + bounds.height);
        menu.setVisible(true);
    });
}

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From source file:MainClass.java

public void createButton(Composite c, int style, String text) {

    Button b = new Button(c, style);

    b.setText(text);
}

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From source file:SWTBrowser.java

public SWTBrowser() {
    shell.setLayout(new GridLayout());

    ToolBar toolBar = new ToolBar(shell, SWT.FLAT | SWT.RIGHT);
    final ToolBarManager manager = new ToolBarManager(toolBar);

    Composite compositeLocation = new Composite(shell, SWT.NULL);
    compositeLocation.setLayout(new GridLayout(3, false));
    compositeLocation.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));

    Label labelAddress = new Label(compositeLocation, SWT.NULL);
    labelAddress.setText("Address");

    textLocation = new Text(compositeLocation, SWT.SINGLE | SWT.BORDER);
    textLocation.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));

    Button buttonGo = new Button(compositeLocation, SWT.NULL);
    buttonGo.setImage(new Image(shell.getDisplay(), "java2s.gif"));

    browser = new Browser(shell, SWT.BORDER);
    browser.setLayoutData(new GridData(GridData.FILL_BOTH));

    Composite compositeStatus = new Composite(shell, SWT.NULL);
    compositeStatus.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
    compositeStatus.setLayout(new GridLayout(2, false));

    labelStatus = new Label(compositeStatus, SWT.NULL);
    labelStatus.setText("Ready");
    labelStatus.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));

    final ProgressBar progressBar = new ProgressBar(compositeStatus, SWT.SMOOTH);

    Listener openURLListener = new Listener() {
        public void handleEvent(Event event) {
            browser.setUrl(textLocation.getText());
        }/*from  w w  w .  java 2s  . com*/
    };

    buttonGo.addListener(SWT.Selection, openURLListener);
    textLocation.addListener(SWT.DefaultSelection, openURLListener);

    // Adds tool bar items using actions.
    final Action actionBackward = new Action("&Backword", ImageDescriptor.createFromFile(null, "java2s.gif")) {
        public void run() {
            browser.back();
        }
    };
    actionBackward.setEnabled(false); // action is disabled at start up.

    final Action actionForward = new Action("&Forward",
            ImageDescriptor.createFromFile(null, "icons/web/forward.gif")) {
        public void run() {
            browser.forward();
        }
    };
    actionForward.setEnabled(false); // action is disabled at start up.

    Action actionStop = new Action("&Stop", ImageDescriptor.createFromFile(null, "icons/web/stop.gif")) {
        public void run() {
            browser.stop();
        }
    };

    Action actionRefresh = new Action("&Refresh",
            ImageDescriptor.createFromFile(null, "icons/web/refresh.gif")) {
        public void run() {
            browser.refresh();
        }
    };

    Action actionHome = new Action("&Home", ImageDescriptor.createFromFile(null, "icons/web/home.gif")) {
        public void run() {
            browser.setUrl("http://www.eclipse.org");
        }
    };

    manager.add(actionBackward);
    manager.add(actionForward);
    manager.add(actionStop);
    manager.add(actionRefresh);
    manager.add(actionHome);

    manager.update(true);
    toolBar.pack();

    browser.addLocationListener(new LocationListener() {
        public void changing(LocationEvent event) {
            // Displays the new location in the text field.
            textLocation.setText(event.location);
        }

        public void changed(LocationEvent event) {
            // Update tool bar items.
            actionBackward.setEnabled(browser.isBackEnabled());
            actionForward.setEnabled(browser.isForwardEnabled());
            manager.update(false);
        }
    });

    browser.addProgressListener(new ProgressListener() {
        public void changed(ProgressEvent event) {
            progressBar.setMaximum(event.total);
            progressBar.setSelection(event.current);
        }

        public void completed(ProgressEvent event) {
            progressBar.setSelection(0);
        }
    });

    browser.addStatusTextListener(new StatusTextListener() {
        public void changed(StatusTextEvent event) {
            labelStatus.setText(event.text);
        }
    });

    browser.addTitleListener(new TitleListener() {
        public void changed(TitleEvent event) {
            shell.setText(event.title + " - powered by SWT");
        }
    });

    initialize(display, browser);

    shell.setSize(500, 400);
    shell.open();
    //textUser.forceFocus();

    //browser.setText(
    //   "<html><body>" + "<h1>SWT &amp; JFace </h1>" + "</body/html>");

    // 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:TextTableEditor.java

/**
 * Creates the main window's contents/*from ww  w. j ava2s  .  c o  m*/
 * 
 * @param shell the main window
 */
private void createContents(final Shell shell) {
    shell.setLayout(new FillLayout());

    // Create the table
    final Table table = new Table(shell, SWT.SINGLE | SWT.FULL_SELECTION | SWT.HIDE_SELECTION);
    table.setHeaderVisible(true);
    table.setLinesVisible(true);

    // Create five columns
    for (int i = 0; i < NUM; i++) {
        TableColumn column = new TableColumn(table, SWT.CENTER);
        column.setText("Column " + (i + 1));
        column.pack();
    }

    // Create five table editors for color
    TableEditor[] colorEditors = new TableEditor[NUM];

    // Create five buttons for changing color
    Button[] colorButtons = new Button[NUM];

    // Create five rows and the editors for those rows. The first column has the
    // color change buttons. The second column has dropdowns. The final three
    // have text fields.
    for (int i = 0; i < NUM; i++) {
        // Create the row
        final TableItem item = new TableItem(table, SWT.NONE);

        // Create the editor and button
        colorEditors[i] = new TableEditor(table);
        colorButtons[i] = new Button(table, SWT.PUSH);

        // Set attributes of the button
        colorButtons[i].setText("Color...");
        colorButtons[i].computeSize(SWT.DEFAULT, table.getItemHeight());

        // Set attributes of the editor
        colorEditors[i].grabHorizontal = true;
        colorEditors[i].minimumHeight = colorButtons[i].getSize().y;
        colorEditors[i].minimumWidth = colorButtons[i].getSize().x;

        // Set the editor for the first column in the row
        colorEditors[i].setEditor(colorButtons[i], item, 0);

        // Create a handler for the button
        final int index = i;
        colorButtons[i].addSelectionListener(new SelectionAdapter() {
            public void widgetSelected(SelectionEvent event) {
                ColorDialog dialog = new ColorDialog(shell);
                if (colors[index] != null)
                    dialog.setRGB(colors[index].getRGB());
                RGB rgb = dialog.open();
                if (rgb != null) {
                    if (colors[index] != null)
                        colors[index].dispose();
                    colors[index] = new Color(shell.getDisplay(), rgb);
                    item.setForeground(colors[index]);
                }
            }
        });
    }

    // Create an editor object to use for text editing
    final TableEditor editor = new TableEditor(table);
    editor.horizontalAlignment = SWT.LEFT;
    editor.grabHorizontal = true;

    // Use a mouse listener, not a selection listener, since we're interested
    // in the selected column as well as row
    table.addMouseListener(new MouseAdapter() {
        public void mouseDown(MouseEvent event) {
            // Dispose any existing editor
            Control old = editor.getEditor();
            if (old != null)
                old.dispose();

            // Determine where the mouse was clicked
            Point pt = new Point(event.x, event.y);

            // Determine which row was selected
            final TableItem item = table.getItem(pt);
            if (item != null) {
                // Determine which column was selected
                int column = -1;
                for (int i = 0, n = table.getColumnCount(); i < n; i++) {
                    Rectangle rect = item.getBounds(i);
                    if (rect.contains(pt)) {
                        // This is the selected column
                        column = i;
                        break;
                    }
                }

                // Column 2 holds dropdowns
                if (column == 1) {
                    // Create the dropdown and add data to it
                    final CCombo combo = new CCombo(table, SWT.READ_ONLY);
                    for (int i = 0, n = options.length; i < n; i++) {
                        combo.add(options[i]);
                    }

                    // Select the previously selected item from the cell
                    combo.select(combo.indexOf(item.getText(column)));

                    // Compute the width for the editor
                    // Also, compute the column width, so that the dropdown fits
                    editor.minimumWidth = combo.computeSize(SWT.DEFAULT, SWT.DEFAULT).x;
                    table.getColumn(column).setWidth(editor.minimumWidth);

                    // Set the focus on the dropdown and set into the editor
                    combo.setFocus();
                    editor.setEditor(combo, item, column);

                    // Add a listener to set the selected item back into the cell
                    final int col = column;
                    combo.addSelectionListener(new SelectionAdapter() {
                        public void widgetSelected(SelectionEvent event) {
                            item.setText(col, combo.getText());

                            // They selected an item; end the editing session
                            combo.dispose();
                        }
                    });
                } else if (column > 1) {
                    // Create the Text object for our editor
                    final Text text = new Text(table, SWT.NONE);
                    text.setForeground(item.getForeground());

                    // Transfer any text from the cell to the Text control,
                    // set the color to match this row, select the text,
                    // and set focus to the control
                    text.setText(item.getText(column));
                    text.setForeground(item.getForeground());
                    text.selectAll();
                    text.setFocus();

                    // Recalculate the minimum width for the editor
                    editor.minimumWidth = text.getBounds().width;

                    // Set the control into the editor
                    editor.setEditor(text, item, column);

                    // Add a handler to transfer the text back to the cell
                    // any time it's modified
                    final int col = column;
                    text.addModifyListener(new ModifyListener() {
                        public void modifyText(ModifyEvent event) {
                            // Set the text of the editor's control back into the cell
                            item.setText(col, text.getText());
                        }
                    });
                }
            }
        }
    });
}

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From source file:org.eclipse.swt.examples.controlexample.CanvasTab.java

/**
 * Creates the "Other" group./*from w  ww.j  a  va  2 s  .c  o  m*/
 */
@Override
void createOtherGroup() {
    super.createOtherGroup();

    /* Create display controls specific to this example */
    caretButton = new Button(otherGroup, SWT.CHECK);
    caretButton.setText(ControlExample.getResourceString("Caret"));
    fillDamageButton = new Button(otherGroup, SWT.CHECK);
    fillDamageButton.setText(ControlExample.getResourceString("FillDamage"));

    /* Add the listeners */
    caretButton.addSelectionListener(widgetSelectedAdapter(event -> setCaret()));
}

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From source file:ShowMessageBox.java

/**
 * Creates the main window's contents/*from  w w w. j a  va2s.  c  o m*/
 * 
 * @param shell the parent shell
 */
private void createContents(final Shell shell) {
    shell.setLayout(new GridLayout(2, false));

    // Create the dropdown to allow icon selection
    new Label(shell, SWT.NONE).setText("Icon:");
    final Combo icons = new Combo(shell, SWT.DROP_DOWN | SWT.READ_ONLY);
    for (int i = 0, n = ICONS.length; i < n; i++)
        icons.add(ICONS[i]);
    icons.select(0);

    // Create the dropdown to allow button selection
    new Label(shell, SWT.NONE).setText("Buttons:");
    final Combo buttons = new Combo(shell, SWT.DROP_DOWN | SWT.READ_ONLY);
    for (int i = 0, n = BUTTONS.length; i < n; i++)
        buttons.add(BUTTONS[i]);
    buttons.select(0);

    // Create the entry field for the message
    new Label(shell, SWT.NONE).setText("Message:");
    final Text message = new Text(shell, SWT.BORDER);
    message.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));

    // Create the label to show the return from the open call
    new Label(shell, SWT.NONE).setText("Return:");
    final Label returnVal = new Label(shell, SWT.NONE);
    returnVal.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));

    // Create the button and event handler
    // to display the message box
    Button button = new Button(shell, SWT.PUSH);
    button.setText("Show Message");
    button.addSelectionListener(new SelectionAdapter() {
        public void widgetSelected(SelectionEvent event) {
            // Clear any previously returned value
            returnVal.setText("");

            // This will hold the style to pass to the MessageBox constructor
            int style = 0;

            // Determine which icon was selected and
            // add it to the style
            switch (icons.getSelectionIndex()) {
            case 0:
                style |= SWT.ICON_ERROR;
                break;
            case 1:
                style |= SWT.ICON_INFORMATION;
                break;
            case 2:
                style |= SWT.ICON_QUESTION;
                break;
            case 3:
                style |= SWT.ICON_WARNING;
                break;
            case 4:
                style |= SWT.ICON_WORKING;
                break;
            }

            // Determine which set of buttons was selected
            // and add it to the style
            switch (buttons.getSelectionIndex()) {
            case 0:
                style |= SWT.OK;
                break;
            case 1:
                style |= SWT.OK | SWT.CANCEL;
                break;
            case 2:
                style |= SWT.YES | SWT.NO;
                break;
            case 3:
                style |= SWT.YES | SWT.NO | SWT.CANCEL;
                break;
            case 4:
                style |= SWT.RETRY | SWT.CANCEL;
                break;
            case 5:
                style |= SWT.ABORT | SWT.RETRY | SWT.IGNORE;
                break;
            }

            // Display the message box
            MessageBox mb = new MessageBox(shell, style);
            mb.setText("Message from SWT");
            mb.setMessage(message.getText());
            int val = mb.open();
            String valString = "";
            switch (val) // val contains the constant of the selected button
            {
            case SWT.OK:
                valString = "SWT.OK";
                break;
            case SWT.CANCEL:
                valString = "SWT.CANCEL";
                break;
            case SWT.YES:
                valString = "SWT.YES";
                break;
            case SWT.NO:
                valString = "SWT.NO";
                break;
            case SWT.RETRY:
                valString = "SWT.RETRY";
                break;
            case SWT.ABORT:
                valString = "SWT.ABORT";
                break;
            case SWT.IGNORE:
                valString = "SWT.IGNORE";
                break;
            }
            returnVal.setText(valString);
        }
    });
}

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