CirSim.java 文件源码

public void onMouseWheel(MouseWheelEvent e) {
    e.preventDefault();

    // once we start zooming, don't allow other uses of mouse wheel for a while
    // so we don't accidentally edit a resistor value while zooming
    boolean zoomOnly = System.currentTimeMillis() < zoomTime+1000;

    if (!zoomOnly)
        scrollValues(e.getNativeEvent().getClientX(), e.getNativeEvent().getClientY(), e.getDeltaY());

    if (mouseElm instanceof MouseWheelHandler && !zoomOnly)
        ((MouseWheelHandler) mouseElm).onMouseWheel(e);
    else if (scopeSelected != -1)
        scopes[scopeSelected].onMouseWheel(e);
    else if (!dialogIsShowing()) {
        zoomCircuit(e.getDeltaY());
        zoomTime = System.currentTimeMillis();
}
}