#include "csi.h" #include #include #include #include #if defined(_DEBUG) #include #endif #define LOG_MODULE "csi" #define LOG_ENABLE_DBG 0 #include "log.h" #include "grid.h" #include "vt.h" #include "selection.h" #include "sixel.h" #define min(x, y) ((x) < (y) ? (x) : (y)) #define UNHANDLED() LOG_DBG("unhandled: %s", csi_as_string(term, final, -1)) #define UNHANDLED_SGR(idx) LOG_DBG("unhandled: %s", csi_as_string(term, 'm', idx)) static void sgr_reset(struct terminal *term) { memset(&term->vt.attrs, 0, sizeof(term->vt.attrs)); term->vt.attrs.fg = term->colors.fg; term->vt.attrs.bg = term->colors.bg; } static const char * csi_as_string(struct terminal *term, uint8_t final, int idx) { static char msg[1024]; int c = snprintf(msg, sizeof(msg), "CSI: "); for (size_t i = 0; i < sizeof(term->vt.private) / sizeof(term->vt.private[0]); i++) { if (term->vt.private[i] == 0) break; c += snprintf(&msg[c], sizeof(msg) - c, "%c", term->vt.private[i]); } for (size_t i = idx >= 0 ? idx : 0; i < (idx >= 0 ? idx + 1 : term->vt.params.idx); i++) { c += snprintf(&msg[c], sizeof(msg) - c, "%u", term->vt.params.v[i].value); for (size_t j = 0; j < term->vt.params.v[i].sub.idx; j++) { c += snprintf(&msg[c], sizeof(msg) - c, ":%u", term->vt.params.v[i].sub.value[j]); } c += snprintf(&msg[c], sizeof(msg) - c, "%s", i == term->vt.params.idx - 1 ? "" : ";"); } snprintf(&msg[c], sizeof(msg) - c, "%c (%u parameters)", final, idx >= 0 ? 1 : term->vt.params.idx); return msg; } static void csi_sgr(struct terminal *term) { if (term->vt.params.idx == 0) { sgr_reset(term); return; } for (size_t i = 0; i < term->vt.params.idx; i++) { const int param = term->vt.params.v[i].value; switch (param) { case 0: sgr_reset(term); break; case 1: term->vt.attrs.bold = true; break; case 2: term->vt.attrs.dim = true; break; case 3: term->vt.attrs.italic = true; break; case 4: term->vt.attrs.underline = true; break; case 5: term->vt.attrs.blink = true; break; case 6: LOG_WARN("ignored: rapid blink"); break; case 7: term->vt.attrs.reverse = true; break; case 8: term->vt.attrs.conceal = true; break; case 9: term->vt.attrs.strikethrough = true; break; case 21: term->vt.attrs.bold = false; break; case 22: term->vt.attrs.bold = term->vt.attrs.dim = false; break; case 23: term->vt.attrs.italic = false; break; case 24: term->vt.attrs.underline = false; break; case 25: term->vt.attrs.blink = false; break; case 26: break; /* rapid blink, ignored */ case 27: term->vt.attrs.reverse = false; break; case 28: term->vt.attrs.conceal = false; break; case 29: term->vt.attrs.strikethrough = false; break; /* Regular foreground colors */ case 30: case 31: case 32: case 33: case 34: case 35: case 36: case 37: term->vt.attrs.have_fg = 1; term->vt.attrs.fg = term->colors.table[param - 30]; break; case 38: { /* Indexed: 38;5; */ if (term->vt.params.idx - i - 1 >= 2 && term->vt.params.v[i + 1].value == 5) { uint8_t idx = term->vt.params.v[i + 2].value; term->vt.attrs.have_fg = 1; term->vt.attrs.fg = term->colors.table[idx]; i += 2; } /* RGB: 38;2;;; */ else if (term->vt.params.idx - i - 1 >= 4 && term->vt.params.v[i + 1].value == 2) { uint8_t r = term->vt.params.v[i + 2].value; uint8_t g = term->vt.params.v[i + 3].value; uint8_t b = term->vt.params.v[i + 4].value; term->vt.attrs.have_fg = 1; term->vt.attrs.fg = r << 16 | g << 8 | b; i += 4; } /* Sub-parameter style: 38:2:... */ else if (term->vt.params.v[i].sub.idx >= 2 && term->vt.params.v[i].sub.value[0] == 2) { const struct vt_param *param = &term->vt.params.v[i]; const int color_space_id = param->sub.value[1]; switch (color_space_id) { case 0: /* Implementation defined - we map it to '2' */ case 2: { /* RGB - 38:2:2::: */ if (param->sub.idx < 5) { UNHANDLED_SGR(i); break; } uint8_t r = param->sub.value[2]; uint8_t g = param->sub.value[3]; uint8_t b = param->sub.value[4]; /* 5 - unused */ /* 6 - CS tolerance */ /* 7 - color space associated with tolerance */ term->vt.attrs.have_fg = 1; term->vt.attrs.fg = r << 16 | g << 8 | b; break; } case 5: { /* Indexed - 38:2:5: */ if (param->sub.idx < 3) { UNHANDLED_SGR(i); break; } uint8_t idx = param->sub.value[2]; term->vt.attrs.have_fg = 1; term->vt.attrs.fg = term->colors.table[idx]; break; } case 1: /* Transparent */ case 3: /* CMY */ case 4: /* CMYK */ UNHANDLED_SGR(i); break; } } /* Unrecognized */ else UNHANDLED_SGR(i); break; } case 39: term->vt.attrs.have_fg = 0; break; /* Regular background colors */ case 40: case 41: case 42: case 43: case 44: case 45: case 46: case 47: term->vt.attrs.have_bg = 1; term->vt.attrs.bg = term->colors.table[param - 40]; break; case 48: { /* Indexed: 48;5; */ if (term->vt.params.idx - i - 1 >= 2 && term->vt.params.v[i + 1].value == 5) { uint8_t idx = term->vt.params.v[i + 2].value; term->vt.attrs.have_bg = 1; term->vt.attrs.bg = term->colors.table[idx]; i += 2; } /* RGB: 48;2;;; */ else if (term->vt.params.idx - i - 1 >= 4 && term->vt.params.v[i + 1].value == 2) { uint8_t r = term->vt.params.v[i + 2].value; uint8_t g = term->vt.params.v[i + 3].value; uint8_t b = term->vt.params.v[i + 4].value; term->vt.attrs.have_bg = 1; term->vt.attrs.bg = r << 16 | g << 8 | b; i += 4; } /* Sub-parameter style: 48:2:... */ else if (term->vt.params.v[i].sub.idx >= 2 && term->vt.params.v[i].sub.value[0] == 2) { const struct vt_param *param = &term->vt.params.v[i]; const int color_space_id = param->sub.value[1]; switch (color_space_id) { case 0: /* Implementation defined - we map it to '2' */ case 2: { /* RGB - 48:2:2::: */ if (param->sub.idx < 5) { UNHANDLED_SGR(i); break; } uint8_t r = param->sub.value[2]; uint8_t g = param->sub.value[3]; uint8_t b = param->sub.value[4]; /* 5 - unused */ /* 6 - CS tolerance */ /* 7 - color space associated with tolerance */ term->vt.attrs.have_bg = 1; term->vt.attrs.bg = r << 16 | g << 8 | b; break; } case 5: { /* Indexed - 48:2:5: */ if (param->sub.idx < 3) { UNHANDLED_SGR(i); break; } uint8_t idx = param->sub.value[2]; term->vt.attrs.have_bg = 1; term->vt.attrs.bg = term->colors.table[idx]; break; } case 1: /* Transparent */ case 3: /* CMY */ case 4: /* CMYK */ UNHANDLED_SGR(i); break; } } else UNHANDLED_SGR(i); break; } case 49: term->vt.attrs.have_bg = 0; break; /* Bright foreground colors */ case 90: case 91: case 92: case 93: case 94: case 95: case 96: case 97: term->vt.attrs.have_fg = 1; term->vt.attrs.fg = term->colors.table[param - 90 + 8]; break; /* Bright background colors */ case 100: case 101: case 102: case 103: case 104: case 105: case 106: case 107: term->vt.attrs.have_bg = 1; term->vt.attrs.bg = term->colors.table[param - 100 + 8]; break; default: UNHANDLED_SGR(i); break; } } } void csi_dispatch(struct terminal *term, uint8_t final) { LOG_DBG("%s", csi_as_string(term, final, -1)); switch (term->vt.private[0]) { case 0: { switch (final) { case 'b': if (term->vt.last_printed != 0) { /* * Note: we never reset 'last-printed'. According to * ECMA-48, the behaviour is undefined if REP was * _not_ preceeded by a graphical character. */ int count = vt_param_get(term, 0, 1); LOG_DBG("REP: '%C' %d times", term->vt.last_printed, count); const int width = wcwidth(term->vt.last_printed); for (int i = 0; i < count; i++) term_print(term, term->vt.last_printed, width); } break; case 'c': { /* Send Device Attributes (Primary DA) */ /* * Responses: * - CSI?1;2c vt100 with advanced video option * - CSI?1;0c vt101 with no options * - CSI?6c vt102 * - CSI?62;c vt220 * - CSI?63;c vt320 * - CSI?64;c vt420 * * Ps (response may contain multiple): * - 1 132 columns * - 2 Printer. * - 3 ReGIS graphics. * - 4 Sixel graphics. * - 6 Selective erase. * - 8 User-defined keys. * - 9 National Replacement Character sets. * - 15 Technical characters. * - 16 Locator port. * - 17 Terminal state interrogation. * - 18 User windows. * - 21 Horizontal scrolling. * - 22 ANSI color, e.g., VT525. * - 28 Rectangular editing. * - 29 ANSI text locator (i.e., DEC Locator mode). */ const char *reply = "\033[?62;4;6;15;17;22c"; term_to_slave(term, reply, strlen(reply)); break; } case 'd': { /* VPA - vertical line position absolute */ int rel_row = vt_param_get(term, 0, 1) - 1; int row = term_row_rel_to_abs(term, rel_row); term_cursor_to(term, row, term->cursor.point.col); break; } case 'm': csi_sgr(term); break; case 'A': term_cursor_up(term, vt_param_get(term, 0, 1)); break; case 'e': case 'B': term_cursor_down(term, vt_param_get(term, 0, 1)); break; case 'a': case 'C': term_cursor_right(term, vt_param_get(term, 0, 1)); break; case 'D': term_cursor_left(term, vt_param_get(term, 0, 1)); break; case 'E': /* CNL - Cursor Next Line */ term_cursor_down(term, vt_param_get(term, 0, 1)); term_cursor_left(term, term->cursor.point.col); break; case 'F': /* CPL - Cursor Previous Line */ term_cursor_up(term, vt_param_get(term, 0, 1)); term_cursor_left(term, term->cursor.point.col); break; case 'g': { int param = vt_param_get(term, 0, 0); switch (param) { case 0: /* Clear tab stop at *current* column */ tll_foreach(term->tab_stops, it) { if (it->item == term->cursor.point.col) tll_remove(term->tab_stops, it); else if (it->item > term->cursor.point.col) break; } break; case 3: /* Clear *all* tabs */ tll_free(term->tab_stops); break; default: UNHANDLED(); break; } break; } case '`': case 'G': { /* Cursor horizontal absolute */ int col = min(vt_param_get(term, 0, 1), term->cols) - 1; term_cursor_to(term, term->cursor.point.row, col); break; } case 'f': case 'H': { /* Move cursor */ int rel_row = vt_param_get(term, 0, 1) - 1; int row = term_row_rel_to_abs(term, rel_row); int col = min(vt_param_get(term, 1, 1), term->cols) - 1; term_cursor_to(term, row, col); break; } case 'J': { /* Erase screen */ int param = vt_param_get(term, 0, 0); switch (param) { case 0: /* From cursor to end of screen */ term_erase( term, &term->cursor.point, &(struct coord){term->cols - 1, term->rows - 1}); term->cursor.lcf = false; break; case 1: /* From start of screen to cursor */ term_erase(term, &(struct coord){0, 0}, &term->cursor.point); term->cursor.lcf = false; break; case 2: /* Erase entire screen */ term_erase( term, &(struct coord){0, 0}, &(struct coord){term->cols - 1, term->rows - 1}); term->cursor.lcf = false; break; case 3: { /* Erase scrollback */ int end = (term->grid->offset + term->rows - 1) % term->grid->num_rows; for (size_t i = 0; i < term->grid->num_rows; i++) { if (end >= term->grid->offset) { /* Not wrapped */ if (i >= term->grid->offset && i <= end) continue; } else { /* Wrapped */ if (i >= term->grid->offset || i <= end) continue; } grid_row_free(term->grid->rows[i]); term->grid->rows[i] = NULL; } term->grid->view = term->grid->offset; term_damage_view(term); break; } default: UNHANDLED(); break; } break; } case 'K': { /* Erase line */ int param = vt_param_get(term, 0, 0); switch (param) { case 0: /* From cursor to end of line */ term_erase( term, &term->cursor.point, &(struct coord){term->cols - 1, term->cursor.point.row}); term->cursor.lcf = false; break; case 1: /* From start of line to cursor */ term_erase( term, &(struct coord){0, term->cursor.point.row}, &term->cursor.point); term->cursor.lcf = false; break; case 2: /* Entire line */ term_erase( term, &(struct coord){0, term->cursor.point.row}, &(struct coord){term->cols - 1, term->cursor.point.row}); term->cursor.lcf = false; break; default: UNHANDLED(); break; } break; } case 'L': { if (term->cursor.point.row < term->scroll_region.start || term->cursor.point.row >= term->scroll_region.end) break; int count = min( vt_param_get(term, 0, 1), term->scroll_region.end - term->cursor.point.row); term_scroll_reverse_partial( term, (struct scroll_region){ .start = term->cursor.point.row, .end = term->scroll_region.end}, count); break; } case 'M': { if (term->cursor.point.row < term->scroll_region.start || term->cursor.point.row >= term->scroll_region.end) break; int count = min( vt_param_get(term, 0, 1), term->scroll_region.end - term->cursor.point.row); term_scroll_partial( term, (struct scroll_region){ .start = term->cursor.point.row, .end = term->scroll_region.end}, count); break; } case 'P': { /* DCH: Delete character(s) */ /* Number of characters to delete */ int count = min( vt_param_get(term, 0, 1), term->cols - term->cursor.point.col); /* Number of characters left after deletion (on current line) */ int remaining = term->cols - (term->cursor.point.col + count); /* 'Delete' characters by moving the remaining ones */ memmove(&term->grid->cur_row->cells[term->cursor.point.col], &term->grid->cur_row->cells[term->cursor.point.col + count], remaining * sizeof(term->grid->cur_row->cells[0])); for (size_t c = 0; c < remaining; c++) term->grid->cur_row->cells[term->cursor.point.col + c].attrs.clean = 0; term->grid->cur_row->dirty = true; /* Erase the remainder of the line */ term_erase( term, &(struct coord){term->cursor.point.col + remaining, term->cursor.point.row}, &(struct coord){term->cols - 1, term->cursor.point.row}); term->cursor.lcf = false; break; } case '@': { /* ICH: insert character(s) */ /* Number of characters to insert */ int count = min( vt_param_get(term, 0, 1), term->cols - term->cursor.point.col); /* Characters to move */ int remaining = term->cols - (term->cursor.point.col + count); /* Push existing characters */ memmove(&term->grid->cur_row->cells[term->cursor.point.col + count], &term->grid->cur_row->cells[term->cursor.point.col], remaining * sizeof(term->grid->cur_row->cells[0])); for (size_t c = 0; c < remaining; c++) term->grid->cur_row->cells[term->cursor.point.col + count + c].attrs.clean = 0; term->grid->cur_row->dirty = true; /* Erase (insert space characters) */ term_erase( term, &term->cursor.point, &(struct coord){term->cursor.point.col + count - 1, term->cursor.point.row}); term->cursor.lcf = false; break; } case 'S': term_scroll(term, vt_param_get(term, 0, 1)); break; case 'T': term_scroll_reverse(term, vt_param_get(term, 0, 1)); break; case 'X': { /* Erase chars */ int count = min( vt_param_get(term, 0, 1), term->cols - term->cursor.point.col); term_erase( term, &term->cursor.point, &(struct coord){term->cursor.point.col + count - 1, term->cursor.point.row}); term->cursor.lcf = false; break; } case 'I': { /* CHT - Tab Forward (param is number of tab stops to move through) */ for (int i = 0; i < vt_param_get(term, 0, 1); i++) { int new_col = term->cols - 1; tll_foreach(term->tab_stops, it) { if (it->item > term->cursor.point.col) { new_col = it->item; break; } } assert(new_col >= term->cursor.point.col); term_cursor_right(term, new_col - term->cursor.point.col); } break; } case 'Z': /* CBT - Back tab (param is number of tab stops to move back through) */ for (int i = 0; i < vt_param_get(term, 0, 1); i++) { int new_col = 0; tll_rforeach(term->tab_stops, it) { if (it->item < term->cursor.point.col) { new_col = it->item; break; } } assert(term->cursor.point.col >= new_col); term_cursor_left(term, term->cursor.point.col - new_col); } break; case 'h': /* Set mode */ switch (vt_param_get(term, 0, 0)) { case 2: /* Keyboard Action Mode - AM */ LOG_WARN("unimplemented: keyboard action mode (AM)"); break; case 4: /* Insert Mode - IRM */ term->insert_mode = true; break; case 12: /* Send/receive Mode - SRM */ LOG_WARN("unimplemented: send/receive mode (SRM)"); break; case 20: /* Automatic Newline Mode - LNM */ LOG_WARN("unimplemented: automatic newline mode (LNM)"); break; } break; case 'l': /* Reset mode */ switch (vt_param_get(term, 0, 0)) { case 4: /* Insert Mode - IRM */ term->insert_mode = false; break; case 2: /* Keyboard Action Mode - AM */ case 12: /* Send/receive Mode - SRM */ case 20: /* Automatic Newline Mode - LNM */ break; } break; case 'r': { int start = vt_param_get(term, 0, 1); int end = min(vt_param_get(term, 1, term->rows), term->rows); if (end > start) { /* 1-based */ term->scroll_region.start = start - 1; term->scroll_region.end = end; term_cursor_home(term); LOG_DBG("scroll region: %d-%d", term->scroll_region.start, term->scroll_region.end); } break; } case 's': term->saved_cursor = term->cursor; break; case 'u': term_restore_cursor(term, &term->saved_cursor); break; case 't': { /* * Window operations */ const unsigned param = vt_param_get(term, 0, 0); switch (param) { case 1: LOG_WARN("unimplemented: de-iconify"); break; case 2: LOG_WARN("unimplemented: iconify"); break; case 3: LOG_WARN("unimplemented: move window to pixel position"); break; case 4: LOG_WARN("unimplemented: resize window in pixels"); break; case 5: LOG_WARN("unimplemented: raise window to front of stack"); break; case 6: LOG_WARN("unimplemented: raise window to back of stack"); break; case 7: LOG_WARN("unimplemented: refresh window"); break; case 8: LOG_WARN("unimplemented: resize window in chars"); break; case 9: LOG_WARN("unimplemented: maximize/unmaximize window"); break; case 10: LOG_WARN("unimplemented: to/from full screen"); break; case 11: LOG_WARN("unimplemented: report if window is iconified"); break; case 13: LOG_WARN("unimplemented: report window position"); break; case 15: LOG_WARN("unimplemented: report screen size in pixels"); break; case 19: LOG_WARN("unimplemented: report screen size in chars"); break; case 20: LOG_WARN("unimplemented: report icon label"); break; case 21: LOG_WARN("unimplemented: report window title"); break; case 24: LOG_WARN("unimplemented: resize window (DECSLPP)"); break; case 14: { /* report window size in pixels */ char reply[64]; snprintf(reply, sizeof(reply), "\033[4;%d;%dt", term->height - term->margins.top - term->margins.bottom, term->width - term->margins.left - term->margins.right); term_to_slave(term, reply, strlen(reply)); break; } case 16: { /* report cell size in pixels */ char reply[64]; snprintf(reply, sizeof(reply), "\033[6;%d;%dt", term->cell_height, term->cell_width); term_to_slave(term, reply, strlen(reply)); break; } case 18: { /* window size in chars */ char reply[64]; snprintf(reply, sizeof(reply), "\033[8;%d;%dt", term->rows, term->cols); term_to_slave(term, reply, strlen(reply)); break; } case 22: { /* push window title */ /* 0 - icon + title, 1 - icon, 2 - title */ unsigned what = vt_param_get(term, 1, 0); if (what == 0 || what == 2) { tll_push_back( term->window_title_stack, strdup(term->window_title)); } break; } case 23: { /* pop window title */ /* 0 - icon + title, 1 - icon, 2 - title */ unsigned what = vt_param_get(term, 1, 0); if (what == 0 || what == 2) { if (tll_length(term->window_title_stack) > 0) { char *title = tll_pop_back(term->window_title_stack); term_set_window_title(term, title); free(title); } } break; } case 1001: { } default: LOG_DBG("ignoring %s", csi_as_string(term, final, -1)); break; } break; } case 'n': { if (term->vt.params.idx > 0) { int param = vt_param_get(term, 0, 0); switch (param) { case 5: /* Query device status */ term_to_slave(term, "\x1b[0n", 4); /* "Device OK" */ break; case 6: { /* u7 - cursor position query */ int row = term->origin == ORIGIN_ABSOLUTE ? term->cursor.point.row : term->cursor.point.row - term->scroll_region.start; /* TODO: we use 0-based position, while the xterm * terminfo says the receiver of the reply should * decrement, hence we must add 1 */ char reply[64]; snprintf(reply, sizeof(reply), "\x1b[%d;%dR", row + 1, term->cursor.point.col + 1); term_to_slave(term, reply, strlen(reply)); break; } default: UNHANDLED(); break; } } else UNHANDLED(); break; } default: UNHANDLED(); break; } break; /* private == 0 */ } case '?': { switch (final) { case 'h': { for (size_t i = 0; i < term->vt.params.idx; i++) { switch (term->vt.params.v[i].value) { case 1: term->cursor_keys_mode = CURSOR_KEYS_APPLICATION; break; case 3: LOG_WARN("unimplemented: 132 column mode (DECCOLM, %s)", csi_as_string(term, final, i)); term_erase( term, &(struct coord){0, 0}, &(struct coord){term->cols - 1, term->rows - 1}); term_cursor_home(term); break; case 4: /* DECSCLM - Smooth scroll */ LOG_WARN("unimplemented: Smooth (Slow) Scroll (DECSCLM, %s)", csi_as_string(term, final, i)); break; case 5: term->reverse = true; term_damage_all(term); break; case 6: { /* DECOM */ term->origin = ORIGIN_RELATIVE; term_cursor_home(term); break; } case 7: term->auto_margin = true; break; case 9: LOG_WARN("unimplemented: X10 mouse tracking mode"); /* term->mouse_tracking = MOUSE_X10; */ break; case 12: term_cursor_blink_enable(term); break; case 25: term->hide_cursor = false; break; case 1000: term->mouse_tracking = MOUSE_CLICK; term_xcursor_update(term); break; case 1001: LOG_WARN("unimplemented: highlight mouse tracking"); break; case 1002: term->mouse_tracking = MOUSE_DRAG; term_xcursor_update(term); break; case 1003: term->mouse_tracking = MOUSE_MOTION; term_xcursor_update(term); break; case 1004: term->focus_events = true; break; case 1005: LOG_WARN("unimplemented: mouse reporting mode: UTF-8"); /* term->mouse_reporting = MOUSE_UTF8; */ break; case 1006: LOG_DBG("mouse reporting mode: SGR"); term->mouse_reporting = MOUSE_SGR; break; case 1007: term->alt_scrolling = true; break; case 1015: LOG_DBG("mouse reporting mode: urxvt"); term->mouse_reporting = MOUSE_URXVT; break; case 1034: /* smm */ LOG_DBG("enabling 8-bit meta mode"); term->meta.eight_bit = true; break; case 1036: /* metaSendsEscape */ LOG_DBG("enabling meta-sends-escape"); term->meta.esc_prefix = true; break; #if 0 case 1042: LOG_WARN("unimplemented: 'urgency' window manager hint on ctrl-g"); break; case 1043: LOG_WARN("unimplemented: raise window on ctrl-g"); break; #endif case 1049: if (term->grid != &term->alt) { selection_cancel(term); term->grid = &term->alt; term->alt_saved_cursor = term->cursor; term_cursor_to(term, term->cursor.point.row, term->cursor.point.col); tll_free(term->alt.damage); tll_free(term->alt.scroll_damage); term_erase( term, &(struct coord){0, 0}, &(struct coord){term->cols - 1, term->rows - 1}); } break; case 2004: term->bracketed_paste = true; break; default: UNHANDLED(); break; } } break; } case 'l': { for (size_t i = 0; i < term->vt.params.idx; i++) { switch (term->vt.params.v[i].value) { case 1: term->cursor_keys_mode = CURSOR_KEYS_NORMAL; break; case 3: /* DECCOLM - 80 column mode */ term_erase( term, &(struct coord){0, 0}, &(struct coord){term->cols - 1, term->rows - 1}); term_cursor_home(term); break; case 4: /* DECSCLM - Jump scroll */ break; case 5: term->reverse = false; term_damage_all(term); break; case 6: { /* DECOM */ term->origin = ORIGIN_ABSOLUTE; term_cursor_home(term); break; } case 7: term->auto_margin = false; break; case 12: term_cursor_blink_disable(term); break; case 25: term->hide_cursor = true; break; case 1001: /* Highlight mouse tracking */ break; case 9: /* MOUSE_X10 */ case 1000: /* MOUSE_NORMAL */ case 1002: /* MOUSE_BUTTON_EVENT */ case 1003: /* MOUSE_ANY_EVENT */ term->mouse_tracking = MOUSE_NONE; term_xcursor_update(term); break; case 1005: /* MOUSE_UTF8 */ case 1006: /* MOUSE_SGR */ case 1015: /* MOUSE_URXVT */ LOG_DBG("mouse reporting mode: legacy"); term->mouse_reporting = MOUSE_NORMAL; break; case 1004: term->focus_events = false; break; case 1007: term->alt_scrolling = false; break; case 1034: /* rmm */ LOG_DBG("disabling 8-bit meta mode"); term->meta.eight_bit = false; break; case 1036: /* metaSendsEscape */ LOG_DBG("disabling meta-sends-escape"); term->meta.esc_prefix = false; break; #if 0 case 1042: /* 'urgency' window manager hint on ctrl-g */ break; case 1043: /* raise window on ctrl-g */ break; #endif case 1049: if (term->grid == &term->alt) { selection_cancel(term); term->grid = &term->normal; term_restore_cursor(term, &term->alt_saved_cursor); tll_free(term->alt.damage); tll_free(term->alt.scroll_damage); /* Delete all sixel images on the alt screen */ tll_foreach(term->alt.sixel_images, it) { sixel_destroy(&it->item); tll_remove(term->alt.sixel_images, it); } term_damage_all(term); } break; case 2004: term->bracketed_paste = false; break; default: UNHANDLED(); break; } } break; } case 'p': { if (term->vt.private[1] != '$') { UNHANDLED(); break; } unsigned param = vt_param_get(term, 0, 0); /* * Request DEC private mode (DECRQM) * Reply: * 0 - not recognized * 1 - set * 2 - reset * 3 - permanently set * 4 - permantently reset */ char reply[32]; snprintf(reply, sizeof(reply), "\033[?%u;2$y", param); term_to_slave(term, reply, strlen(reply)); break; } case 's': for (size_t i = 0; i < term->vt.params.idx; i++) { switch (term->vt.params.v[i].value) { #if 0 /* We don't implement "highlight mouse tracking" */ case 1001: /* save old highlight mouse tracking mode? */ LOG_WARN( "unimplemented: %s " "(save 'highlight mouse tracking' mode)", csi_as_string(term, final, i)); break; #endif default: UNHANDLED(); break; } } break; case 'r': for (size_t i = 0; i < term->vt.params.idx; i++) { switch (term->vt.params.v[i].value) { #if 0 /* We don't implement "highlight mouse tracking" */ case 1001: /* restore old highlight mouse tracking mode? */ LOG_WARN( "unimplemented: %s " "(restore 'highlight mouse tracking' mode)", csi_as_string(term, final, i)); break; #endif default: UNHANDLED(); break; } } break; case 'S': { unsigned target = vt_param_get(term, 0, 0); unsigned operation = vt_param_get(term, 1, 0); switch (target) { case 1: switch (operation) { case 1: sixel_colors_report_current(term); break; case 2: sixel_colors_reset(term); break; case 3: sixel_colors_set(term, vt_param_get(term, 2, 0)); break; case 4: sixel_colors_report_max(term); } break; case 2: switch (operation) { case 1: sixel_geometry_report_current(term); break; case 2: sixel_geometry_reset(term); break; case 3: sixel_geometry_set(term, vt_param_get(term, 2, 0), vt_param_get(term, 3, 0)); break; case 4: sixel_geometry_report_max(term); } break; } break; } default: UNHANDLED(); break; } break; /* private == '?' */ } case '>': { switch (final) { case 'c': /* Send Device Attributes (Secondary DA) */ if (vt_param_get(term, 0, 0) != 0) { UNHANDLED(); break; } /* * Param 1 - terminal type: * 0 - vt100 * 1 - vt220 * 2 - vt240 * 18 - vt330 * 19 - vt340 * 24 - vt320 * 41 - vt420 * 61 - vt510 * 64 - vt520 * 65 - vt525 * * Param 2 - firmware version * xterm uses its version number. We use an xterm * version number too, since e.g. Emacs uses this to * determine level of support. */ term_to_slave(term, "\033[>41;347;0c", 12); break; case 'm': if (term->vt.params.idx == 0) { /* Reset all */ } else { int resource = vt_param_get(term, 0, 0); int value = vt_param_get(term, 1, -1); switch (resource) { case 0: /* modifyKeyboard */ break; case 1: /* modifyCursorKeys */ case 2: /* modifyFunctionKeys */ case 4: /* modifyOtherKeys */ /* Ignored, we always report modifiers */ if (value != 2 && value != -1 && !(resource == 4 && value == 1)) { LOG_WARN("unimplemented: %s = %d", resource == 1 ? "modifyCursorKeys" : resource == 2 ? "modifyFunctionKeys" : resource == 4 ? "modifyOtherKeys" : "", value); } break; default: LOG_WARN("invalid resource %d in %s", resource, csi_as_string(term, final, -1)); break; } } break; /* final == 'm' */ default: UNHANDLED(); break; } break; /* private == '>' */ } case ' ': { switch (final) { case 'q': { int param = vt_param_get(term, 0, 0); switch (param) { case 0: case 1: /* blinking block */ term->cursor_style = CURSOR_BLOCK; break; case 2: /* steady block - but can be overriden in footrc */ term->cursor_style = term->default_cursor_style; break; case 3: /* blinking underline */ case 4: /* steady underline */ term->cursor_style = CURSOR_UNDERLINE; break; case 5: /* blinking bar */ case 6: /* steady bar */ term->cursor_style = CURSOR_BAR; break; } if (param == 0 || param & 1) term_cursor_blink_enable(term); else term_cursor_blink_disable(term); break; } default: UNHANDLED(); break; } break; /* private == ' ' */ } case '!': { switch (final) { case 'p': term_reset(term, false); break; default: UNHANDLED(); break; } break; /* private == '!' */ } case '=': { switch (final) { case 'c': if (vt_param_get(term, 0, 0) != 0) { UNHANDLED(); break; } /* * Send Device Attributes (Tertiary DA) * * Reply format is "DCS ! | DDDDDDDD ST" * * D..D is the unit ID of the terminal, consisting of four * hexadecimal pairs. The first pair represents the * manufacturing site code. This code can be any * hexadecimal value from 00 through FF. */ term_to_slave(term, "\033P!|464f4f54\033\\", 14); /* FOOT */ break; default: UNHANDLED(); break; } break; /* private == '=' */ } default: UNHANDLED(); break; } }