Example usage for org.eclipse.swt.widgets Label update

Introduction

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

Prototype

public void update() 

Source Link

Document

Forces all outstanding paint requests for the widget to be processed before this method returns.

Usage

From source file:org.eclipse.swt.snippets.Snippet152.java

public static void main(String[] args) {
    Display display = new Display();
    Shell shell = new Shell(display);
    shell.setText("Snippet 152");
    FormLayout layout = new FormLayout();
    shell.setLayout(layout);//  w  w  w . j  av  a 2 s . c o  m
    final Label label = new Label(shell, SWT.BORDER);
    Listener armListener = event -> {
        MenuItem item = (MenuItem) event.widget;
        label.setText(item.getText());
        label.update();
    };
    Listener showListener = event -> {
        Menu menu = (Menu) event.widget;
        MenuItem item = menu.getParentItem();
        if (item != null) {
            label.setText(item.getText());
            label.update();
        }
    };
    Listener hideListener = event -> {
        label.setText("");
        label.update();
    };
    FormData labelData = new FormData();
    labelData.left = new FormAttachment(0);
    labelData.right = new FormAttachment(100);
    labelData.bottom = new FormAttachment(100);
    label.setLayoutData(labelData);
    Menu menuBar = new Menu(shell, SWT.BAR);
    shell.setMenuBar(menuBar);
    MenuItem fileItem = new MenuItem(menuBar, SWT.CASCADE);
    fileItem.setText("File");
    fileItem.addListener(SWT.Arm, armListener);
    MenuItem editItem = new MenuItem(menuBar, SWT.CASCADE);
    editItem.setText("Edit");
    editItem.addListener(SWT.Arm, armListener);
    Menu fileMenu = new Menu(shell, SWT.DROP_DOWN);
    fileMenu.addListener(SWT.Hide, hideListener);
    fileMenu.addListener(SWT.Show, showListener);
    fileItem.setMenu(fileMenu);
    String[] fileStrings = { "New", "Close", "Exit" };
    for (int i = 0; i < fileStrings.length; i++) {
        MenuItem item = new MenuItem(fileMenu, SWT.PUSH);
        item.setText(fileStrings[i]);
        item.addListener(SWT.Arm, armListener);
    }
    Menu editMenu = new Menu(shell, SWT.DROP_DOWN);
    editMenu.addListener(SWT.Hide, hideListener);
    editMenu.addListener(SWT.Show, showListener);
    String[] editStrings = { "Cut", "Copy", "Paste" };
    editItem.setMenu(editMenu);
    for (int i = 0; i < editStrings.length; i++) {
        MenuItem item = new MenuItem(editMenu, SWT.PUSH);
        item.setText(editStrings[i]);
        item.addListener(SWT.Arm, armListener);
    }
    shell.open();
    while (!shell.isDisposed()) {
        if (!display.readAndDispatch())
            display.sleep();
    }
    display.dispose();
}

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From source file:Snippet152.java

public static void main(String[] args) {
    Display display = new Display();
    Shell shell = new Shell(display);
    FormLayout layout = new FormLayout();
    shell.setLayout(layout);/*from w w w .jav a 2s . co  m*/
    final Label label = new Label(shell, SWT.BORDER);
    Listener armListener = new Listener() {
        public void handleEvent(Event event) {
            MenuItem item = (MenuItem) event.widget;
            label.setText(item.getText());
            label.update();
        }
    };
    Listener showListener = new Listener() {
        public void handleEvent(Event event) {
            Menu menu = (Menu) event.widget;
            MenuItem item = menu.getParentItem();
            if (item != null) {
                label.setText(item.getText());
                label.update();
            }
        }
    };
    Listener hideListener = new Listener() {
        public void handleEvent(Event event) {
            label.setText("");
            label.update();
        }
    };
    FormData labelData = new FormData();
    labelData.left = new FormAttachment(0);
    labelData.right = new FormAttachment(100);
    labelData.bottom = new FormAttachment(100);
    label.setLayoutData(labelData);
    Menu menuBar = new Menu(shell, SWT.BAR);
    shell.setMenuBar(menuBar);
    MenuItem fileItem = new MenuItem(menuBar, SWT.CASCADE);
    fileItem.setText("File");
    fileItem.addListener(SWT.Arm, armListener);
    MenuItem editItem = new MenuItem(menuBar, SWT.CASCADE);
    editItem.setText("Edit");
    editItem.addListener(SWT.Arm, armListener);
    Menu fileMenu = new Menu(shell, SWT.DROP_DOWN);
    fileMenu.addListener(SWT.Hide, hideListener);
    fileMenu.addListener(SWT.Show, showListener);
    fileItem.setMenu(fileMenu);
    String[] fileStrings = { "New", "Close", "Exit" };
    for (int i = 0; i < fileStrings.length; i++) {
        MenuItem item = new MenuItem(fileMenu, SWT.PUSH);
        item.setText(fileStrings[i]);
        item.addListener(SWT.Arm, armListener);
    }
    Menu editMenu = new Menu(shell, SWT.DROP_DOWN);
    editMenu.addListener(SWT.Hide, hideListener);
    editMenu.addListener(SWT.Show, showListener);
    String[] editStrings = { "Cut", "Copy", "Paste" };
    editItem.setMenu(editMenu);
    for (int i = 0; i < editStrings.length; i++) {
        MenuItem item = new MenuItem(editMenu, SWT.PUSH);
        item.setText(editStrings[i]);
        item.addListener(SWT.Arm, armListener);
    }
    shell.open();
    while (!shell.isDisposed()) {
        if (!display.readAndDispatch())
            display.sleep();
    }
    display.dispose();
}

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From source file:StatusLineUpdateWhenMenuItemArmed.java

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

    FormLayout layout = new FormLayout();
    shell.setLayout(layout);/*from ww w .  ja  v a 2  s .c o  m*/

    final Label label = new Label(shell, SWT.BORDER);
    Listener armListener = new Listener() {
        public void handleEvent(Event event) {
            MenuItem item = (MenuItem) event.widget;
            label.setText(item.getText());
            label.update();
        }
    };
    Listener showListener = new Listener() {
        public void handleEvent(Event event) {
            Menu menu = (Menu) event.widget;
            MenuItem item = menu.getParentItem();
            if (item != null) {
                label.setText(item.getText());
                label.update();
            }
        }
    };
    Listener hideListener = new Listener() {
        public void handleEvent(Event event) {
            label.setText("");
            label.update();
        }
    };
    FormData labelData = new FormData();
    labelData.left = new FormAttachment(0);
    labelData.right = new FormAttachment(100);
    labelData.bottom = new FormAttachment(100);
    label.setLayoutData(labelData);
    Menu menuBar = new Menu(shell, SWT.BAR);
    shell.setMenuBar(menuBar);
    MenuItem fileItem = new MenuItem(menuBar, SWT.CASCADE);
    fileItem.setText("File");
    fileItem.addListener(SWT.Arm, armListener);
    MenuItem editItem = new MenuItem(menuBar, SWT.CASCADE);
    editItem.setText("Edit");
    editItem.addListener(SWT.Arm, armListener);
    Menu fileMenu = new Menu(shell, SWT.DROP_DOWN);
    fileMenu.addListener(SWT.Hide, hideListener);
    fileMenu.addListener(SWT.Show, showListener);
    fileItem.setMenu(fileMenu);
    String[] fileStrings = { "New", "Close", "Exit" };
    for (int i = 0; i < fileStrings.length; i++) {
        MenuItem item = new MenuItem(fileMenu, SWT.PUSH);
        item.setText(fileStrings[i]);
        item.addListener(SWT.Arm, armListener);
    }
    Menu editMenu = new Menu(shell, SWT.DROP_DOWN);
    editMenu.addListener(SWT.Hide, hideListener);
    editMenu.addListener(SWT.Show, showListener);
    String[] editStrings = { "Cut", "Copy", "Paste" };
    editItem.setMenu(editMenu);
    for (int i = 0; i < editStrings.length; i++) {
        MenuItem item = new MenuItem(editMenu, SWT.PUSH);
        item.setText(editStrings[i]);
        item.addListener(SWT.Arm, armListener);
    }
    shell.open();
    while (!shell.isDisposed()) {
        if (!display.readAndDispatch())
            display.sleep();
    }
    display.dispose();
}

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