Examples with JScrollBar javax.swing.JScrollBar used on opensource projects

Example 6 with JScrollBar

use of javax.swing.JScrollBar in project jdk8u_jdk by JetBrains.

the class XTextAreaPeer method insert.

/**
     * insert the text "txt on position "pos" in the array lines
     * @see java.awt.peer.TextAreaPeer
     */
@Override
public void insert(String txt, int p) {
    if (jtext != null) {
        boolean doScroll = (p >= jtext.getDocument().getLength() && jtext.getDocument().getLength() != 0);
        jtext.insert(txt, p);
        textPane.validate();
        if (doScroll) {
            JScrollBar bar = textPane.getVerticalScrollBar();
            if (bar != null) {
                bar.setValue(bar.getMaximum() - bar.getVisibleAmount());
            }
        }
    }
}

Example 7 with JScrollBar

use of javax.swing.JScrollBar in project jabref by JabRef.

the class MainTable method scrollTo.

public void scrollTo(int y) {
    JScrollBar scb = pane.getVerticalScrollBar();
    scb.setValue(y * scb.getUnitIncrement(1));
}

Example 8 with JScrollBar

use of javax.swing.JScrollBar in project jabref by JabRef.

the class MainTable method ensureVisible.

public void ensureVisible(int row) {
    JScrollBar vert = pane.getVerticalScrollBar();
    int y = row * getRowHeight();
    if ((y < vert.getValue()) || ((y >= (vert.getValue() + vert.getVisibleAmount())) && (model.getSearchState() != MainTableDataModel.DisplayOption.FLOAT))) {
        scrollToCenter(row, 1);
    }
}

Example 9 with JScrollBar

use of javax.swing.JScrollBar in project JMRI by JMRI.

the class Editor method setScrollbarScale.

private void setScrollbarScale(double ratio) {
    //resize the panel to reflect scaling
    Dimension dim = _targetPanel.getSize();
    int tpWidth = (int) ((dim.width) * ratio);
    int tpHeight = (int) ((dim.height) * ratio);
    _targetPanel.setSize(tpWidth, tpHeight);
    log.debug("setScrollbarScale: ratio= {}, tpWidth= {}, tpHeight= {}", ratio, tpWidth, tpHeight);
    // compute new scroll bar positions to keep upper left same
    JScrollBar horScroll = _panelScrollPane.getHorizontalScrollBar();
    JScrollBar vertScroll = _panelScrollPane.getVerticalScrollBar();
    int hScroll = (int) (horScroll.getValue() * ratio);
    int vScroll = (int) (vertScroll.getValue() * ratio);
    // set scrollbars maximum range (otherwise setValue may fail);
    horScroll.setMaximum((int) ((horScroll.getMaximum()) * ratio));
    vertScroll.setMaximum((int) ((vertScroll.getMaximum()) * ratio));
    // set scroll bar positions
    horScroll.setValue(hScroll);
    vertScroll.setValue(vScroll);
}

Example 10 with JScrollBar

use of javax.swing.JScrollBar in project jdk8u_jdk by JetBrains.

the class LWTextAreaPeer method insert.

@Override
public void insert(final String text, final int pos) {
    final ScrollableJTextArea pane = getDelegate();
    synchronized (getDelegateLock()) {
        final JTextArea area = pane.getView();
        final boolean doScroll = pos >= area.getDocument().getLength() && area.getDocument().getLength() != 0;
        area.insert(text, pos);
        revalidate();
        if (doScroll) {
            final JScrollBar vbar = pane.getVerticalScrollBar();
            if (vbar != null) {
                vbar.setValue(vbar.getMaximum() - vbar.getVisibleAmount());
            }
        }
    }
    repaintPeer();
}