Example usage for javax.swing.text JTextComponent getBackground

Introduction

In this page you can find the example usage for javax.swing.text JTextComponent getBackground.

Prototype

@Transient
public Color getBackground() 

Source Link

Document

Gets the background color of this component.

Usage

From source file:FancyCaret.java

public void paint(Graphics g) {
    JTextComponent comp = getComponent();
    if (comp == null)
        return;//from  w ww  . j  a va  2s. co m

    int dot = getDot();
    Rectangle r = null;
    char dotChar;
    try {
        r = comp.modelToView(dot);
        if (r == null)
            return;
        dotChar = comp.getText(dot, 1).charAt(0);
    } catch (BadLocationException e) {
        return;
    }

    if ((x != r.x) || (y != r.y)) {
        repaint();
        x = r.x;
        y = r.y;
        height = r.height;
    }

    g.setColor(comp.getCaretColor());
    g.setXORMode(comp.getBackground());

    if (dotChar == '\n') {
        int diam = r.height;
        if (isVisible())
            g.fillArc(r.x - diam / 2, r.y, diam, diam, 270, 180); // half circle
        width = diam / 2 + 2;
        return;
    }

    if (dotChar == '\t')
        try {
            Rectangle nextr = comp.modelToView(dot + 1);
            if ((r.y == nextr.y) && (r.x < nextr.x)) {
                width = nextr.x - r.x;
                if (isVisible())
                    g.fillRoundRect(r.x, r.y, width, r.height, 12, 12);
                return;
            } else
                dotChar = ' ';
        } catch (BadLocationException e) {
            dotChar = ' ';
        }

    width = g.getFontMetrics().charWidth(dotChar);
    if (isVisible())
        g.fillRect(r.x, r.y, width, r.height);
}

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