- /* escape sequence follows */
- if ((ret = read(inputFd, &c, 1)) < 1)
- return;
-
- if (c == '[') { /* 91 */
- if ((ret = read(inputFd, &c, 1)) < 1)
- return;
-
- switch (c) {
- case 'A':
- /* Up Arrow -- Get previous command from history */
- if (hp && hp->p) {
- get_previous_history(&hp, command);
- goto rewrite_line;
- } else {
- xwrite(outputFd, "\007", 1);
- }
- break;
- case 'B':
- /* Down Arrow -- Get next command in history */
- if (hp && hp->n && hp->n->s) {
- get_next_history(&hp, command);
- goto rewrite_line;
- } else {
- xwrite(outputFd, "\007", 1);
- }
- break;
-
- /* Rewrite the line with the selected history item */
- rewrite_line:
- /* erase old command from command line */
- len = strlen(command)-strlen(hp->s);
- while (len>0)
- input_backspace(command, outputFd, &cursor, &len);
- input_home(outputFd, &cursor);
-
- /* write new command */
- strcpy(command, hp->s);
- len = strlen(hp->s);
- xwrite(outputFd, command, len);
- cursor = len;
- break;
- case 'C':
- /* Right Arrow -- Move forward one character */
- input_forward(outputFd, &cursor, len);
- break;
- case 'D':
- /* Left Arrow -- Move back one character */
- input_backward(outputFd, &cursor);
- break;
- case '3':
- /* Delete */
- input_delete(command, outputFd, cursor, &len);
- break;
- case '1':
- /* Home (Ctrl-A) */
- input_home(outputFd, &cursor);
- break;
- case '4':
- /* End (Ctrl-E) */
- input_end(outputFd, &cursor, len);
- break;
- default:
- xwrite(outputFd, "\007", 1);
- }
- if (c == '1' || c == '3' || c == '4')
- if ((ret = read(inputFd, &c, 1)) < 1)
- return; /* read 126 (~) */
- }
- if (c == 'O') {
- /* 79 */
- if ((ret = read(inputFd, &c, 1)) < 1)
- return;
- switch (c) {
- case 'H':
- /* Home (xterm) */
- input_home(outputFd, &cursor);
- break;
- case 'F':
- /* End (xterm) */
- input_end(outputFd, &cursor, len);
- break;
- default:
- xwrite(outputFd, "\007", 1);
- }
- }
- c = 0;