Examples with ScrollBar org.eclipse.swt.widgets.ScrollBar used on opensource projects

Example 76 with ScrollBar

use of org.eclipse.swt.widgets.ScrollBar in project dbeaver by serge-rider.

the class PlainTextPresentation method performHorizontalScroll.

@Override
protected void performHorizontalScroll(int scrollCount) {
    ScrollBar hsb = text.getHorizontalBar();
    if (hsb != null && hsb.isVisible()) {
        int curPosition = text.getHorizontalPixel();
        int pageIncrement = UIUtils.getFontHeight(text.getFont()) * 10;
        if (scrollCount > 0) {
            if (curPosition > 0) {
                curPosition -= pageIncrement;
            }
        } else {
            curPosition += pageIncrement;
        }
        if (curPosition < 0)
            curPosition = 0;
        text.setHorizontalPixel(curPosition);
    // text.setHorizontalIndex();
    }
}

Example 77 with ScrollBar

use of org.eclipse.swt.widgets.ScrollBar in project dbeaver by serge-rider.

the class StatisticsNavigatorNodeRenderer method getActionButtonFor.

private INavigatorNodeActionHandler getActionButtonFor(DBNNode element, Tree tree, Event event) {
    List<INavigatorNodeActionHandler> nodeActions = NavigatorExtensionsRegistry.getInstance().getNodeActions(getView(), element);
    ScrollBar horizontalScrollBar = tree.getHorizontalBar();
    if (horizontalScrollBar != null && horizontalScrollBar.isVisible()) {
        return null;
    }
    int widthOccupied = 0;
    for (INavigatorNodeActionHandler nah : nodeActions) {
        if (!nah.isSticky(view, element)) {
            // Non-sticky buttons are active only for selected or hovered items
            boolean isSelected = (event.stateMask & SWT.SELECTED) != 0;
            boolean isHover = false;
            if (!isSelected && !isHover) {
                return null;
            }
        }
        // Margin
        widthOccupied += 2;
        DBPImage icon = nah.getNodeActionIcon(getView(), element);
        if (icon != null) {
            Image image = DBeaverIcons.getImage(icon);
            Rectangle imageBounds = image.getBounds();
            int imageSize = imageBounds.height;
            widthOccupied += imageSize;
            if (event.x > tree.getClientArea().width - widthOccupied) {
                return nah;
            }
        }
    }
    return null;
}

Example 78 with ScrollBar

use of org.eclipse.swt.widgets.ScrollBar in project dbeaver by dbeaver.

the class ImageViewCanvas method initScrollBars.

/* Initalize the scrollbar and register listeners. */
private void initScrollBars() {
    ScrollBar horizontal = getHorizontalBar();
    horizontal.setEnabled(false);
    horizontal.addSelectionListener(new SelectionAdapter() {

        @Override
        public void widgetSelected(SelectionEvent event) {
            scrollHorizontally((ScrollBar) event.widget);
        }
    });
    ScrollBar vertical = getVerticalBar();
    vertical.setEnabled(false);
    vertical.addSelectionListener(new SelectionAdapter() {

        @Override
        public void widgetSelected(SelectionEvent event) {
            scrollVertically((ScrollBar) event.widget);
        }
    });
}

Example 79 with ScrollBar

use of org.eclipse.swt.widgets.ScrollBar in project dbeaver by dbeaver.

the class PlainTextPresentation method performHorizontalScroll.

@Override
protected void performHorizontalScroll(int scrollCount) {
    ScrollBar hsb = text.getHorizontalBar();
    if (hsb != null && hsb.isVisible()) {
        int curPosition = text.getHorizontalPixel();
        int pageIncrement = UIUtils.getFontHeight(text.getFont()) * 10;
        if (scrollCount > 0) {
            if (curPosition > 0) {
                curPosition -= pageIncrement;
            }
        } else {
            curPosition += pageIncrement;
        }
        if (curPosition < 0)
            curPosition = 0;
        text.setHorizontalPixel(curPosition);
    // text.setHorizontalIndex();
    }
}

Example 80 with ScrollBar

use of org.eclipse.swt.widgets.ScrollBar in project dbeaver by dbeaver.

the class StatisticsNavigatorNodeRenderer method getTreeWidth.

// /////////////////////////////////////////////////////////////////
// Utils
private int getTreeWidth(Tree tree) {
    int treeWidth;
    int xShift;
    ScrollBar hSB = tree.getHorizontalBar();
    if (hSB == null || !hSB.isVisible()) {
        treeWidth = tree.getClientArea().width;
        xShift = 0;
    } else {
        treeWidth = hSB.getMaximum();
        xShift = hSB.getSelection();
    }
    return treeWidth - xShift;
}