public void actionPerformed(ActionEvent e) {
      JGrid grid = (JGrid) e.getSource();
      if (toLimit) {
        if (vertically) {
          int rowCount = grid.getRowCount();
          this.dx = 0;
          this.dy = forwards ? rowCount : -rowCount;
        } else {
          int colCount = grid.getColumnCount();
          this.dx = forwards ? colCount : -colCount;
          this.dy = 0;
        }
      } else {
        if (!(grid.getParent().getParent() instanceof JScrollPane)) {
          return;
        }

        Dimension delta = grid.getParent().getSize();
        SelectionModel sm = grid.getSelectionModel();

        int start = 0;
        if (vertically) {
          start = (extend) ? sm.getLeadRow() : sm.getAnchorRow();
        } else {
          start = (extend) ? sm.getLeadColumn() : sm.getAnchorColumn();
        }

        if (vertically) {
          Rectangle r = grid.getCellBounds(start, 0);
          r.y += forwards ? delta.height : -delta.height;
          this.dx = 0;
          int newRow = grid.rowAtPoint(r.getLocation());
          if (newRow == -1 && forwards) {
            newRow = grid.getRowCount();
          }
          this.dy = newRow - start;
        } else {
          Rectangle r = grid.getCellBounds(0, start);
          r.x += forwards ? delta.width : -delta.width;
          int newColumn = grid.columnAtPoint(r.getLocation());
          if (newColumn == -1 && forwards) {
            newColumn = grid.getColumnCount();
          }
          this.dx = newColumn - start;
          this.dy = 0;
        }
      }
      super.actionPerformed(e);
    }
 @Override
 protected RelativePoint getPointToShowResults() {
   Rectangle rect = myEntryTable.getCellRect(myEntryTable.getSelectedRow(), 1, false);
   Point location = rect.getLocation();
   location.y += rect.height;
   return new RelativePoint(myEntryTable, location);
 }
    private static Point fixPopupLocation(final Component contents, final int x, final int y) {
      if (!(contents instanceof JToolTip)) return new Point(x, y);

      final PointerInfo info;
      try {
        info = MouseInfo.getPointerInfo();
      } catch (InternalError e) {
        // http://www.jetbrains.net/jira/browse/IDEADEV-21390
        // may happen under Mac OSX 10.5
        return new Point(x, y);
      }
      int deltaY = 0;

      if (info != null) {
        final Point mouse = info.getLocation();
        deltaY = mouse.y - y;
      }

      final Dimension size = contents.getPreferredSize();
      final Rectangle rec = new Rectangle(new Point(x, y), size);
      ScreenUtil.moveRectangleToFitTheScreen(rec);

      if (rec.y < y) {
        rec.y += deltaY;
      }

      return rec.getLocation();
    }
 protected RelativePoint getPointToShowResults() {
   final int selectedRow = myTree.getSelectionRows()[0];
   final Rectangle rowBounds = myTree.getRowBounds(selectedRow);
   final Point location = rowBounds.getLocation();
   location.x += rowBounds.width;
   return new RelativePoint(myTree, location);
 }
  private BeforeAfter<Integer> getEditorLines() {
    final Editor editor = ((DiffPanelImpl) getCurrentPanel()).getEditor1();
    Rectangle visibleArea = editor.getScrollingModel().getVisibleArea();
    final int offset = editor.getScrollingModel().getVerticalScrollOffset();

    int leftPixels = offset % editor.getLineHeight();

    final Point start = visibleArea.getLocation();
    final LogicalPosition startLp = editor.xyToLogicalPosition(start);
    final Point location = new Point(start.x + visibleArea.width, start.y + visibleArea.height);
    final LogicalPosition lp = editor.xyToLogicalPosition(location);

    int curStartLine =
        startLp.line == (editor.getDocument().getLineCount() - 1)
            ? startLp.line
            : (startLp.line + 1);
    int cutEndLine = lp.line == 0 ? 0 : lp.line - 1;

    boolean commonPartOk = leftPixels == 0 || startLp.line == lp.line;
    return new BeforeAfter<Integer>(
        commonPartOk && startLp.softWrapLinesOnCurrentLogicalLine == 0
            ? startLp.line
            : curStartLine,
        commonPartOk && lp.softWrapLinesOnCurrentLogicalLine == 0 ? lp.line : cutEndLine);
    /*if (leftPixels == 0 || startLp.line == lp.line) {
      return new BeforeAfter<Integer>(startLp.line, lp.line);
    } else {
      return new BeforeAfter<Integer>(curStartLine, cutEndLine);
    }*/
  }
 /*
  * Convert to global coordinates.
  */
 Rectangle toGlobal(Rectangle rec) {
   Point p = toGlobal(rec.getLocation());
   Rectangle newRec = new Rectangle(rec);
   if (p != null) {
     newRec.setLocation(p);
   }
   return newRec;
 }
  private void setSizeAndDimensions(
      @NotNull JTable table,
      @NotNull JBPopup popup,
      @NotNull RelativePoint popupPosition,
      @NotNull List<UsageNode> data) {
    JComponent content = popup.getContent();
    Window window = SwingUtilities.windowForComponent(content);
    Dimension d = window.getSize();

    int width = calcMaxWidth(table);
    width = (int) Math.max(d.getWidth(), width);
    Dimension headerSize = ((AbstractPopup) popup).getHeaderPreferredSize();
    width = Math.max((int) headerSize.getWidth(), width);
    width = Math.max(myWidth, width);

    if (myWidth == -1) myWidth = width;
    int newWidth = Math.max(width, d.width + width - myWidth);

    myWidth = newWidth;

    int rowsToShow = Math.min(30, data.size());
    Dimension dimension = new Dimension(newWidth, table.getRowHeight() * rowsToShow);
    Rectangle rectangle = fitToScreen(dimension, popupPosition, table);
    dimension = rectangle.getSize();
    Point location = window.getLocation();
    if (!location.equals(rectangle.getLocation())) {
      window.setLocation(rectangle.getLocation());
    }

    if (!data.isEmpty()) {
      TableScrollingUtil.ensureSelectionExists(table);
    }
    table.setSize(dimension);
    // table.setPreferredSize(dimension);
    // table.setMaximumSize(dimension);
    // table.setPreferredScrollableViewportSize(dimension);

    Dimension footerSize = ((AbstractPopup) popup).getFooterPreferredSize();

    int newHeight =
        (int) (dimension.height + headerSize.getHeight() + footerSize.getHeight())
            + 4 /* invisible borders, margins etc*/;
    Dimension newDim = new Dimension(dimension.width, newHeight);
    window.setSize(newDim);
    window.setMinimumSize(newDim);
    window.setMaximumSize(newDim);

    window.validate();
    window.repaint();
    table.revalidate();
    table.repaint();
  }
  public void paint(Graphics g, JComponent c) {
    if (grid.getRowCount() <= 0 || grid.getColumnCount() <= 0) {
      return; // nothing to paint
    }

    Rectangle clip = g.getClipBounds();
    Point minLocation = clip.getLocation();
    Point maxLocation = new Point(clip.x + clip.width - 1, clip.y + clip.height - 1);
    int rowMin = grid.rowAtPoint(minLocation);
    int rowMax = grid.rowAtPoint(maxLocation);
    // This should never happen.
    if (rowMin == -1) {
      rowMin = 0;
    }
    // If the spread does not have enough rows to fill the view we'll get -1.
    // Replace this with the index of the last row.
    if (rowMax == -1) {
      rowMax = grid.getRowCount() - 1;
    }
    int colMin = grid.columnAtPoint(minLocation);
    int colMax = grid.columnAtPoint(maxLocation);
    // This should never happen.
    if (colMin == -1) {
      colMin = 0;
    }
    // If the spread does not have enough columns to fill the view we'll get -1.
    // Replace this with the index of the last column.
    if (colMax == -1) {
      colMax = grid.getColumnCount() - 1;
    }

    // Paint cells
    paintCells(g, rowMin, rowMax, colMin, colMax);

    // Paint grid
    paintGrid(g, rowMin, rowMax, colMin, colMax);

    // Paint spans
    paintSpans(g, rowMin, rowMax, colMin, colMax);

    // Paint borders
    paintBorders(g, rowMin, rowMax, colMin, colMax);

    // Paint editor
    paintEditor(g);
  }