Function find_widget

win/X11/winX.c:253–272

* Find the window structure that corresponds to the given widget. Note * that this is not the popup widget, nor the viewport, but the child. */

 * that this is not the popup widget, nor the viewport, but the child.
 */
struct xwindow *
find_widget(Widget w)
{
    int windex;
    struct xwindow *wp;

    /*
     * Search to find the corresponding window.  Look at the main widget,
     * popup, the parent of the main widget, then parent of the widget.
     */
    for (windex = 0, wp = window_list; windex < MAX_WINDOWS; windex++, wp++)
        if (wp->type != NHW_NONE && (wp->w == w || wp->popup == w
                                     || (wp->w && (XtParent(wp->w)) == w)
                                     || (wp->popup == XtParent(w))))
            break;

    if (windex == MAX_WINDOWS)
        panic("find_widget:  can't match widget");
    return wp;
}

/*
 * Find a free window slot for use.