/**
   * Translate coordinates from one window into another. Optimized for XAWT - uses cached data when
   * possible. Preferable over pure XTranslateCoordinates.
   *
   * @return coordinates relative to dst, or null if error happened
   */
  static Point toOtherWindow(long src, long dst, int x, int y) {
    Point rpt = new Point(0, 0);

    // Check if both windows belong to XAWT - then no X calls are necessary

    XBaseWindow srcPeer = XToolkit.windowToXWindow(src);
    XBaseWindow dstPeer = XToolkit.windowToXWindow(dst);

    if (srcPeer != null && dstPeer != null) {
      // (x, y) is relative to src
      rpt.x = x + srcPeer.getAbsoluteX() - dstPeer.getAbsoluteX();
      rpt.y = y + srcPeer.getAbsoluteY() - dstPeer.getAbsoluteY();
    } else if (dstPeer != null && XlibUtil.isRoot(src, dstPeer.getScreenNumber())) {
      // from root into peer
      rpt.x = x - dstPeer.getAbsoluteX();
      rpt.y = y - dstPeer.getAbsoluteY();
    } else if (srcPeer != null && XlibUtil.isRoot(dst, srcPeer.getScreenNumber())) {
      // from peer into root
      rpt.x = x + srcPeer.getAbsoluteX();
      rpt.y = y + srcPeer.getAbsoluteY();
    } else {
      rpt = XlibUtil.translateCoordinates(src, dst, new Point(x, y));
    }
    return rpt;
  }
  /** Returns the client window under the specified root subwindow. */
  private static long findClientWindow(long window) {
    if (XlibUtil.isTrueToplevelWindow(window)) {
      return window;
    }

    Set<Long> children = XlibUtil.getChildWindows(window);
    for (Long child : children) {
      long win = findClientWindow(child);
      if (win != 0) {
        return win;
      }
    }

    return 0;
  }
Example #3
0
 boolean processXEmbedInfo() {
   long xembed_info_data = Native.allocateLongArray(2);
   try {
     if (!XEmbedInfo.getAtomData(handle, xembed_info_data, 2)) {
       // No more XEMBED_INFO? This is not XEmbed client!
       // Unfortunately this is the initial state of the most clients
       // FIXME: add 5-state processing
       // childDestroyed();
       xembedLog.finer("Unable to get XEMBED_INFO atom data");
       return false;
     }
     version = Native.getCard32(xembed_info_data, 0);
     flags = Native.getCard32(xembed_info_data, 1);
     boolean new_mapped = (flags & XEMBED_MAPPED) != 0;
     boolean currently_mapped = XlibUtil.getWindowMapState(handle) != XConstants.IsUnmapped;
     if (new_mapped != currently_mapped) {
       if (xembedLog.isLoggable(PlatformLogger.FINER))
         xembedLog.fine(
             "Mapping state of the client has changed, old state: "
                 + currently_mapped
                 + ", new state: "
                 + new_mapped);
       if (new_mapped) {
         XToolkit.awtLock();
         try {
           XlibWrapper.XMapWindow(XToolkit.getDisplay(), handle);
         } finally {
           XToolkit.awtUnlock();
         }
       } else {
         XToolkit.awtLock();
         try {
           XlibWrapper.XUnmapWindow(XToolkit.getDisplay(), handle);
         } finally {
           XToolkit.awtUnlock();
         }
       }
     } else {
       xembedLog.finer("Mapping state didn't change, mapped: " + currently_mapped);
     }
     return true;
   } finally {
     XlibWrapper.unsafe.freeMemory(xembed_info_data);
   }
 }