Example usage for javax.swing JToolTip getPreferredSize

Introduction

In this page you can find the example usage for javax.swing JToolTip getPreferredSize.

Prototype

@Transient
public Dimension getPreferredSize() 

Source Link

Document

If the preferredSize has been set to a non-null value just returns it.

Usage

From source file:Main.java

/**
 * Returns an appropriate location for a component's tool tip that <i>always</i>
 * lies within the specified frame./*ww  w .j a  v  a2  s . c om*/
 * <p>
 * Intended be used in custom implementations of {@link JComponent#getToolTipLocation(MouseEvent)}.
 *
 * @param e
 *          the event that caused the display of the tool tip
 * @param c
 *          the parent component of the tool tip
 * @param frame
 *          a component in which the tool tip has to fit (usually the surrounding window of "c")
 * @return
 */
public static Point getAdjustedToolTipLocation(MouseEvent e, JComponent c, Component frame) {
    JToolTip tip = new JToolTip();
    tip.setTipText(c.getToolTipText(e));
    Dimension tipSize = tip.getPreferredSize();
    // Tool tip will be positioned within the bounds of the specified component (+ 5px inset)
    Rectangle frameR = frame.getBounds();
    if (frame instanceof Container) {
        Container container = (Container) frame;
        Insets insets = container.getInsets();
        frameR.x += insets.left;
        frameR.y += insets.top;
        frameR.width -= (insets.left + insets.right);
        frameR.height -= (insets.top + insets.bottom);
    }
    frameR.x += 5;
    frameR.y += 5;
    frameR.width -= 10;
    frameR.height -= 10;
    // Initial try for the tool tip's position
    Rectangle r = new Rectangle(e.getXOnScreen(), c.getLocationOnScreen().y + c.getSize().height + 1,
            tipSize.width, tipSize.height);
    // Check if it fits within the frame
    Rectangle intersection = frameR.intersection(r);
    if (r.equals(intersection)) {
        // Tool tip is fully visible within the frame --> use default behaviour
        //
        // Note: The implementation of ToolTipManager.showTipWindow() is not always
        // correct in dual screen mode. The tool tip is _always_ put on that screen,
        // where the most part of the frame lies upon, even if we return coordinates
        // that clearly belong to the other screen. Unfortunately we cannot change
        // that behavior... (bsh 2010-11-24)
        return null;
    }
    // Otherwise, move the tool tip
    int correction = 0;
    if (r.height == intersection.height) {
        // Height is okay, just move left. To make it look better, position the
        // tip 5px below the component.
        r = new Rectangle(r.x, c.getLocationOnScreen().y + c.getSize().height + 5, tipSize.width,
                tipSize.height);
        correction = -5; // needed to make the ToolTipManager use a lightweight pop-up
    } else {
        // The height does not fit. Position the tool tip above the component.
        r = new Rectangle(c.getLocationOnScreen().x + 10, c.getLocationOnScreen().y - tipSize.height - 1,
                tipSize.width, tipSize.height);
    }
    // Adjust to frame bounds
    intersection = frameR.intersection(r);
    intersection.x -= (r.width - intersection.width);
    intersection.y -= (r.height - intersection.height);
    // Return value is expected to be relative to the component's position
    return new Point((-c.getLocationOnScreen().x) + intersection.x + correction,
            (-c.getLocationOnScreen().y) + intersection.y);
}

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From source file:com.atlassian.theplugin.idea.bamboo.tree.BuildTreeNode.java

public static void addTooltipToPanel(BambooBuildAdapter build, JPanel p) {
    final JToolTip jToolTip = p.createToolTip();
    jToolTip.setTipText(buildTolltip(build, 0));
    final int prefWidth = jToolTip.getPreferredSize().width;
    int width = prefWidth > MAX_TOOLTIP_WIDTH ? MAX_TOOLTIP_WIDTH : 0;
    p.setToolTipText(buildTolltip(build, width));
}

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