Example usage for com.intellij.openapi.wm ToolWindowScrollable isVerticalScrollingNeeded

Introduction

In this page you can find the example usage for com.intellij.openapi.wm ToolWindowScrollable isVerticalScrollingNeeded.

Prototype

boolean isVerticalScrollingNeeded();

Source Link

Usage

From source file:com.intellij.ide.actions.ResizeToolWindowAction.java

License:Apache License

@Nullable
private ToolWindowScrollable getScrollable(ToolWindow wnd, boolean isHorizontalStretchingOffered) {
    KeyboardFocusManager mgr = KeyboardFocusManager.getCurrentKeyboardFocusManager();

    Component eachComponent = mgr.getFocusOwner();
    ToolWindowScrollable scrollable = null;
    while (eachComponent != null) {
        if (!SwingUtilities.isDescendingFrom(eachComponent, wnd.getComponent()))
            break;

        if (eachComponent instanceof ToolWindowScrollable) {
            ToolWindowScrollable eachScrollable = (ToolWindowScrollable) eachComponent;
            if (isHorizontalStretchingOffered) {
                if (eachScrollable.isHorizontalScrollingNeeded()) {
                    scrollable = eachScrollable;
                    break;
                }/*ww  w  .java  2  s .  c om*/
            } else {
                if (eachScrollable.isVerticalScrollingNeeded()) {
                    scrollable = eachScrollable;
                    break;
                }
            }
        }

        eachComponent = eachComponent.getParent();
    }

    if (scrollable == null) {
        scrollable = new DefaultToolWindowScrollable();
    }

    if (isHorizontalStretchingOffered && scrollable.isHorizontalScrollingNeeded())
        return scrollable;
    if (!isHorizontalStretchingOffered && scrollable.isVerticalScrollingNeeded())
        return scrollable;

    return null;
}

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