Examples with DefaultCaret javax.swing.text.DefaultCaret used on opensource projects

Example 51 with DefaultCaret

use of javax.swing.text.DefaultCaret in project java-swing-tips by aterai.

the class LineCursorTextArea method paintComponent.

@Override
protected void paintComponent(Graphics g) {
    super.paintComponent(g);
    Caret c = getCaret();
    if (c instanceof DefaultCaret) {
        Graphics2D g2 = (Graphics2D) g.create();
        Rectangle r = SwingUtilities.calculateInnerArea(this, null);
        DefaultCaret caret = (DefaultCaret) c;
        int y = caret.y + caret.height - 1;
        g2.setPaint(LINE_COLOR);
        g2.drawLine(r.x, y, (int) r.getMaxX(), y);
        g2.dispose();
    }
}

Example 52 with DefaultCaret

use of javax.swing.text.DefaultCaret in project java-swing-tips by aterai.

the class HighlightCursorTextArea method paintComponent.

@Override
protected void paintComponent(Graphics g) {
    Caret c = getCaret();
    if (c instanceof DefaultCaret) {
        Graphics2D g2 = (Graphics2D) g.create();
        DefaultCaret caret = (DefaultCaret) c;
        Rectangle r = SwingUtilities.calculateInnerArea(this, rect);
        r.y = caret.y;
        r.height = caret.height;
        g2.setPaint(LINE_COLOR);
        g2.fill(r);
        g2.dispose();
    }
    super.paintComponent(g);
}

Example 53 with DefaultCaret

use of javax.swing.text.DefaultCaret in project java-swing-tips by aterai.

the class HighlightCursorTextArea method updateUI.

@Override
public void updateUI() {
    super.updateUI();
    setOpaque(false);
    Caret caret = new DefaultCaret() {

        // [UnsynchronizedOverridesSynchronized]
        // Unsynchronized method damage overrides synchronized method in DefaultCaret
        @SuppressWarnings("PMD.AvoidSynchronizedAtMethodLevel")
        @Override
        protected synchronized void damage(Rectangle r) {
            if (Objects.nonNull(r)) {
                JTextComponent c = getComponent();
                x = 0;
                y = r.y;
                width = c.getSize().width;
                height = r.height;
                c.repaint();
            }
        }
    };
    // caret.setBlinkRate(getCaret().getBlinkRate());
    caret.setBlinkRate(UIManager.getInt("TextArea.caretBlinkRate"));
    setCaret(caret);
}

Example 54 with DefaultCaret

use of javax.swing.text.DefaultCaret in project NJAU-OS_sourse_design-simulated_linux by 404874351.

the class Dashboard method initConsole.

/**
 * 初始化控制台
 */
public void initConsole() {
    // 绘制控制台富文本
    doc = this.console.getStyledDocument();
    // 保持滚动条在底端
    DefaultCaret caret = (DefaultCaret) this.console.getCaret();
    caret.setUpdatePolicy(DefaultCaret.ALWAYS_UPDATE);
    // 设置控制台输出样式
    this.logStyle = new SimpleAttributeSet();
    StyleConstants.setFontFamily(this.logStyle, "Microsoft YaHei UI");
    StyleConstants.setFontSize(this.logStyle, 14);
    StyleConstants.setForeground(this.logStyle, Color.DARK_GRAY);
    this.infoStyle = new SimpleAttributeSet();
    StyleConstants.setFontFamily(this.infoStyle, "Microsoft YaHei UI");
    StyleConstants.setFontSize(this.infoStyle, 14);
    StyleConstants.setForeground(this.infoStyle, Color.BLUE);
    this.errorStyle = new SimpleAttributeSet();
    StyleConstants.setFontFamily(this.errorStyle, "Microsoft YaHei UI");
    StyleConstants.setFontSize(this.errorStyle, 14);
    StyleConstants.setForeground(this.errorStyle, Color.RED);
    this.successStyle = new SimpleAttributeSet();
    StyleConstants.setFontFamily(this.successStyle, "Microsoft YaHei UI");
    StyleConstants.setFontSize(this.successStyle, 14);
    StyleConstants.setForeground(this.successStyle, Color.GREEN);
}