+ /**
+ * Invert the cell color at a position, including both halves of a
+ * double-width cell.
+ *
+ * @param x column position
+ * @param y row position
+ */
+ public void invertCell(final int x, final int y);
+
+ /**
+ * Invert the cell color at a position.
+ *
+ * @param x column position
+ * @param y row position
+ * @param onlyThisCell if true, only invert this cell, otherwise invert
+ * both halves of a double-width cell if necessary
+ */
+ public void invertCell(final int x, final int y,
+ final boolean onlyThisCell);
+
+ /**
+ * Set a selection area on the screen.
+ *
+ * @param x0 the starting X position of the selection
+ * @param y0 the starting Y position of the selection
+ * @param x1 the ending X position of the selection
+ * @param y1 the ending Y position of the selection
+ * @param rectangle if true, this is a rectangle select
+ */
+ public void setSelection(final int x0, final int y0,
+ final int x1, final int y1, final boolean rectangle);
+
+ /**
+ * Copy the screen selection area to the clipboard.
+ *
+ * @param clipboard the clipboard to use
+ * @param x0 the starting X position of the selection
+ * @param y0 the starting Y position of the selection
+ * @param x1 the ending X position of the selection
+ * @param y1 the ending Y position of the selection
+ * @param rectangle if true, this is a rectangle select
+ */
+ public void copySelection(final Clipboard clipboard,
+ final int x0, final int y0, final int x1, final int y1,
+ final boolean rectangle);
+