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Implement Index and Next Line.

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This commit is contained in:
Michael Jumper 2013-05-21 00:29:19 -07:00
parent b38412fd3d
commit 7894346285
1 changed files with 44 additions and 3 deletions
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47
protocols/ssh/src/terminal_handlers.c
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@ -172,12 +172,16 @@ int guac_terminal_escape(guac_terminal* term, char c) {
term->char_handler = guac_terminal_csi; term->char_handler = guac_terminal_csi;
break; break;
case '7': /* Save Cursor (DECSC) */ /* Save Cursor (DECSC) */
case '7':
term->saved_cursor_row = term->cursor_row; term->saved_cursor_row = term->cursor_row;
term->saved_cursor_col = term->cursor_col; term->saved_cursor_col = term->cursor_col;
term->char_handler = guac_terminal_echo;
break; break;
case '8': /* Restore Cursor (DECRC) */ /* Restore Cursor (DECRC) */
case '8':
term->cursor_row = term->saved_cursor_row; term->cursor_row = term->saved_cursor_row;
if (term->cursor_row >= term->term_height) if (term->cursor_row >= term->term_height)
@ -187,9 +191,46 @@ int guac_terminal_escape(guac_terminal* term, char c) {
if (term->cursor_col >= term->term_width) if (term->cursor_col >= term->term_width)
term->cursor_col = term->term_width - 1; term->cursor_col = term->term_width - 1;
term->char_handler = guac_terminal_echo;
break; break;
case 'M': /* Reverse Linefeed */ /* Index (IND) */
case 'D':
term->cursor_row++;
/* Scroll up if necessary */
if (term->cursor_row > term->scroll_end) {
term->cursor_row = term->scroll_end;
/* Scroll up by one row */
guac_terminal_scroll_up(term, term->scroll_start,
term->scroll_end, 1);
}
term->char_handler = guac_terminal_echo;
break;
/* Next Line (NEL) */
case 'E':
term->cursor_col = 0;
term->cursor_row++;
/* Scroll up if necessary */
if (term->cursor_row > term->scroll_end) {
term->cursor_row = term->scroll_end;
/* Scroll up by one row */
guac_terminal_scroll_up(term, term->scroll_start,
term->scroll_end, 1);
}
term->char_handler = guac_terminal_echo;
break;
/* Reverse Linefeed */
case 'M':
term->cursor_row--; term->cursor_row--;