Example usage for org.eclipse.swt.custom StyledText getClientArea

Introduction

In this page you can find the example usage for org.eclipse.swt.custom StyledText getClientArea.

Prototype

public Rectangle getClientArea() 

Source Link

Document

Returns a rectangle which describes the area of the receiver which is capable of displaying data (that is, not covered by the "trimmings").

Usage

From source file:org.eclipse.swt.snippets.Snippet218.java

public static void main(String[] args) {
    final Display display = new Display();
    final Shell shell = new Shell(display);
    shell.setText("Snippet 218");
    shell.setLayout(new FillLayout());
    final StyledText styledText = new StyledText(shell, SWT.WRAP | SWT.BORDER);
    styledText.setText(text);/*from w  w  w . j a v  a 2  s  .co m*/
    FontData data = display.getSystemFont().getFontData()[0];
    Font font = new Font(display, data.getName(), 16, SWT.BOLD);
    styledText.setFont(font);
    styledText.setForeground(display.getSystemColor(SWT.COLOR_BLUE));
    styledText.addListener(SWT.Resize, event -> {
        Rectangle rect = styledText.getClientArea();
        Image newImage = new Image(display, 1, Math.max(1, rect.height));
        GC gc = new GC(newImage);
        gc.setForeground(display.getSystemColor(SWT.COLOR_WHITE));
        gc.setBackground(display.getSystemColor(SWT.COLOR_YELLOW));
        gc.fillGradientRectangle(rect.x, rect.y, 1, rect.height, true);
        gc.dispose();
        styledText.setBackgroundImage(newImage);
        if (oldImage != null)
            oldImage.dispose();
        oldImage = newImage;
    });
    shell.setSize(700, 400);
    shell.open();
    while (!shell.isDisposed()) {
        if (!display.readAndDispatch())
            display.sleep();
    }
    if (oldImage != null)
        oldImage.dispose();
    font.dispose();
    display.dispose();
}

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From source file:StyledTextGradientBackground.java

public static void main(String[] args) {
    final Display display = new Display();
    final Shell shell = new Shell(display);
    shell.setLayout(new FillLayout());
    final StyledText styledText = new StyledText(shell, SWT.WRAP | SWT.BORDER);
    styledText.setText(text);/*w  w w .j  av  a  2 s .c  om*/
    FontData data = display.getSystemFont().getFontData()[0];
    Font font = new Font(display, data.getName(), 16, SWT.BOLD);
    styledText.setFont(font);
    styledText.setForeground(display.getSystemColor(SWT.COLOR_BLUE));
    styledText.addListener(SWT.Resize, new Listener() {
        public void handleEvent(Event event) {
            Rectangle rect = styledText.getClientArea();
            Image newImage = new Image(display, 1, Math.max(1, rect.height));
            GC gc = new GC(newImage);
            gc.setForeground(display.getSystemColor(SWT.COLOR_WHITE));
            gc.setBackground(display.getSystemColor(SWT.COLOR_YELLOW));
            gc.fillGradientRectangle(rect.x, rect.y, 1, rect.height, true);
            gc.dispose();
            styledText.setBackgroundImage(newImage);
            if (oldImage != null)
                oldImage.dispose();
            oldImage = newImage;
        }
    });
    shell.setSize(700, 400);
    shell.open();
    while (!shell.isDisposed()) {
        if (!display.readAndDispatch())
            display.sleep();
    }
    if (oldImage != null)
        oldImage.dispose();
    font.dispose();
    display.dispose();
}

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