+ /**
+ * Build one of the complex xterm keystroke sequences, storing the result in
+ * xterm_keystroke_buffer.
+ *
+ * @param ss3 the prefix to use based on VT100 state.
+ * @param first the first character, usually a number.
+ * @param first the last character, one of the following: ~ A B C D F H
+ * @param ctrl whether or not ctrl is down
+ * @param alt whether or not alt is down
+ * @param shift whether or not shift is down
+ * @return the buffer with the full key sequence
+ */
+ private String xtermBuildKeySequence(final String ss3, final char first,
+ final char last, boolean ctrl, boolean alt, boolean shift) {
+
+ StringBuilder sb = new StringBuilder(ss3);
+ if ((last == '~') || (ctrl == true) || (alt == true)
+ || (shift == true)
+ ) {
+ sb.append(first);
+ if ( (ctrl == false) && (alt == false) && (shift == true)) {
+ sb.append(";2");
+ } else if ((ctrl == false) && (alt == true) && (shift == false)) {
+ sb.append(";3");
+ } else if ((ctrl == false) && (alt == true) && (shift == true)) {
+ sb.append(";4");
+ } else if ((ctrl == true) && (alt == false) && (shift == false)) {
+ sb.append(";5");
+ } else if ((ctrl == true) && (alt == false) && (shift == true)) {
+ sb.append(";6");
+ } else if ((ctrl == true) && (alt == true) && (shift == false)) {
+ sb.append(";7");
+ } else if ((ctrl == true) && (alt == true) && (shift == true)) {
+ sb.append(";8");
+ }
+ }
+ sb.append(last);
+ return sb.toString();
+ }
+