private void setHeaderComponent(JComponent c) {
    boolean doRevalidate = false;
    if (myHeaderComponent != null) {
      myHeaderPanel.remove(myHeaderComponent);
      myHeaderPanel.add(myCaption, BorderLayout.NORTH);
      myHeaderComponent = null;
      doRevalidate = true;
    }

    if (c != null) {
      myHeaderPanel.remove(myCaption);
      myHeaderPanel.add(c, BorderLayout.NORTH);
      myHeaderComponent = c;

      final Dimension size = myContent.getSize();
      if (size.height < c.getPreferredSize().height * 2) {
        size.height += c.getPreferredSize().height;
        setSize(size);
      }

      doRevalidate = true;
    }

    if (doRevalidate) myContent.revalidate();
  }
  public static Point getCenterOf(final Component aContainer, final JComponent content) {
    final JComponent component = getTargetComponent(aContainer);

    Point containerScreenPoint = component.getVisibleRect().getLocation();
    SwingUtilities.convertPointToScreen(containerScreenPoint, aContainer);

    return UIUtil.getCenterPoint(
        new Rectangle(containerScreenPoint, component.getVisibleRect().getSize()),
        content.getPreferredSize());
  }
 public static Window setSize(JComponent content, final Dimension size) {
   final Window popupWindow = SwingUtilities.windowForComponent(content);
   final Point location = popupWindow.getLocation();
   popupWindow.setLocation(location.x, location.y);
   Insets insets = content.getInsets();
   if (insets != null) {
     size.width += insets.left + insets.right;
     size.height += insets.top + insets.bottom;
   }
   content.setPreferredSize(size);
   popupWindow.pack();
   return popupWindow;
 }
  public boolean isToDrawMacCorner() {
    if (!SystemInfo.isMac || myComponent.getComponentCount() <= 0) {
      return false;
    }

    if (myComponent.getComponentCount() > 0) {
      Component component = myComponent.getComponent(0);
      if (component instanceof JComponent
          && Boolean.TRUE.equals(((JComponent) component).getClientProperty(SUPPRESS_MAC_CORNER))) {
        return false;
      }
    }

    return true;
  }
  private void _requestFocus() {
    if (!myFocusable) return;

    if (myPreferredFocusedComponent != null) {
      myPreferredFocusedComponent.requestFocus();
    }
  }
 private RelativePoint relativePointWithDominantRectangle(
     final JLayeredPane layeredPane, final Rectangle bounds) {
   Dimension preferredSize = getComponent().getPreferredSize();
   if (myDimensionServiceKey != null) {
     final Dimension dimension =
         DimensionService.getInstance().getSize(myDimensionServiceKey, myProject);
     if (dimension != null) {
       preferredSize = dimension;
     }
   }
   final Point leftTopCorner = new Point(bounds.x + bounds.width, bounds.y);
   final Point leftTopCornerScreen = (Point) leftTopCorner.clone();
   SwingUtilities.convertPointToScreen(leftTopCornerScreen, layeredPane);
   final RelativePoint relativePoint;
   if (!ScreenUtil.isOutsideOnTheRightOFScreen(
       new Rectangle(
           leftTopCornerScreen.x,
           leftTopCornerScreen.y,
           preferredSize.width,
           preferredSize.height))) {
     relativePoint = new RelativePoint(layeredPane, leftTopCorner);
   } else {
     if (bounds.x > preferredSize.width) {
       relativePoint =
           new RelativePoint(layeredPane, new Point(bounds.x - preferredSize.width, bounds.y));
     } else {
       setDimensionServiceKey(null); // going to cut width
       Rectangle screen =
           ScreenUtil.getScreenRectangle(leftTopCornerScreen.x, leftTopCornerScreen.y);
       final int spaceOnTheLeft = bounds.x;
       final int spaceOnTheRight = (screen.x + screen.width) - leftTopCornerScreen.x;
       if (spaceOnTheLeft > spaceOnTheRight) {
         relativePoint = new RelativePoint(layeredPane, new Point(0, bounds.y));
         myComponent.setPreferredSize(
             new Dimension(spaceOnTheLeft, Math.max(preferredSize.height, 200)));
       } else {
         relativePoint = new RelativePoint(layeredPane, leftTopCorner);
         myComponent.setPreferredSize(
             new Dimension(spaceOnTheRight, Math.max(preferredSize.height, 200)));
       }
     }
   }
   return relativePoint;
 }
  public void cancel(InputEvent e) {
    if (isDisposed()) return;

    if (myPopup != null) {
      if (!canClose()) {
        return;
      }
      storeDimensionSize(myContent.getSize());
      if (myUseDimServiceForXYLocation) {
        final JRootPane root = myComponent.getRootPane();
        if (root != null) {
          final Container popupWindow = root.getParent();
          if (popupWindow != null && popupWindow.isShowing()) {
            storeLocation(popupWindow.getLocationOnScreen());
          }
        }
      }

      if (e instanceof MouseEvent) {
        IdeEventQueue.getInstance().blockNextEvents(((MouseEvent) e));
      }

      myPopup.hide(false);

      if (ApplicationManagerEx.getApplicationEx() != null) {
        StackingPopupDispatcher.getInstance().onPopupHidden(this);
      }

      if (myInStack) {
        myFocusTrackback.setForcedRestore(!myOk && myFocusable);
        myFocusTrackback.restoreFocus();
      }

      disposePopup();

      if (myListeners != null) {
        for (JBPopupListener each : myListeners) {
          each.onClosed(new LightweightWindowEvent(this, myOk));
        }
      }
    }

    Disposer.dispose(this, false);
  }
 public static void suppressMacCornerFor(JComponent popupComponent) {
   popupComponent.putClientProperty(SUPPRESS_MAC_CORNER, Boolean.TRUE);
 }
 private static Object getAction(final KeyEvent e, final JComponent comp) {
   final KeyStroke stroke = KeyStroke.getKeyStroke(e.getKeyCode(), e.getModifiers());
   return comp.getInputMap().get(stroke);
 }
  @NotNull
  @Override
  public RelativePoint guessBestPopupLocation(@NotNull final JComponent component) {
    Point popupMenuPoint = null;
    final Rectangle visibleRect = component.getVisibleRect();
    if (component instanceof JList) { // JList
      JList list = (JList) component;
      int firstVisibleIndex = list.getFirstVisibleIndex();
      int lastVisibleIndex = list.getLastVisibleIndex();
      int[] selectedIndices = list.getSelectedIndices();
      for (int index : selectedIndices) {
        if (firstVisibleIndex <= index && index <= lastVisibleIndex) {
          Rectangle cellBounds = list.getCellBounds(index, index);
          popupMenuPoint =
              new Point(visibleRect.x + visibleRect.width / 4, cellBounds.y + cellBounds.height);
          break;
        }
      }
    } else if (component instanceof JTree) { // JTree
      JTree tree = (JTree) component;
      int[] selectionRows = tree.getSelectionRows();
      if (selectionRows != null) {
        Arrays.sort(selectionRows);
        for (int i = 0; i < selectionRows.length; i++) {
          int row = selectionRows[i];
          Rectangle rowBounds = tree.getRowBounds(row);
          if (visibleRect.contains(rowBounds)) {
            popupMenuPoint = new Point(rowBounds.x + 2, rowBounds.y + rowBounds.height - 1);
            break;
          }
        }
        if (popupMenuPoint == null) { // All selected rows are out of visible rect
          Point visibleCenter =
              new Point(
                  visibleRect.x + visibleRect.width / 2, visibleRect.y + visibleRect.height / 2);
          double minDistance = Double.POSITIVE_INFINITY;
          int bestRow = -1;
          Point rowCenter;
          double distance;
          for (int i = 0; i < selectionRows.length; i++) {
            int row = selectionRows[i];
            Rectangle rowBounds = tree.getRowBounds(row);
            rowCenter =
                new Point(rowBounds.x + rowBounds.width / 2, rowBounds.y + rowBounds.height / 2);
            distance = visibleCenter.distance(rowCenter);
            if (minDistance > distance) {
              minDistance = distance;
              bestRow = row;
            }
          }

          if (bestRow != -1) {
            Rectangle rowBounds = tree.getRowBounds(bestRow);
            tree.scrollRectToVisible(
                new Rectangle(
                    rowBounds.x,
                    rowBounds.y,
                    Math.min(visibleRect.width, rowBounds.width),
                    rowBounds.height));
            popupMenuPoint = new Point(rowBounds.x + 2, rowBounds.y + rowBounds.height - 1);
          }
        }
      }
    } else if (component instanceof JTable) {
      JTable table = (JTable) component;
      int column = table.getColumnModel().getSelectionModel().getLeadSelectionIndex();
      int row =
          Math.max(
              table.getSelectionModel().getLeadSelectionIndex(),
              table.getSelectionModel().getAnchorSelectionIndex());
      Rectangle rect = table.getCellRect(row, column, false);
      if (!visibleRect.intersects(rect)) {
        table.scrollRectToVisible(rect);
      }
      popupMenuPoint = new Point(rect.x, rect.y + rect.height);
    } else if (component instanceof PopupOwner) {
      popupMenuPoint = ((PopupOwner) component).getBestPopupPosition();
    }
    if (popupMenuPoint == null) {
      popupMenuPoint =
          new Point(visibleRect.x + visibleRect.width / 2, visibleRect.y + visibleRect.height / 2);
    }

    return new RelativePoint(component, popupMenuPoint);
  }