| 59,10 → 59,13 |
|---|
| |
| |
| /* returns non-zero on error */ |
| int line_add(struct linedb *db, const char *line) { |
| unsigned short slen = strlen(line); |
| static int line_add(struct linedb *db, const char far *line) { |
| unsigned short slen; |
| struct line far *l; |
| |
| /* slen = strlen(line) (but for far pointer) */ |
| for (slen = 0; line[slen] != 0; slen++); |
| |
| /* trim out CR/LF line endings */ |
| if ((slen >= 2) && (line[slen - 2] == '\r')) { |
| slen -= 2; |
| 87,7 → 90,7 |
|---|
| } |
| |
| |
| void db_rewind(struct linedb *db) { |
| static void db_rewind(struct linedb *db) { |
| if (db->cursor == NULL) return; |
| while (db->cursor->prev) db->cursor = db->cursor->prev; |
| db->topscreen = db->cursor; |
| 94,7 → 97,7 |
|---|
| } |
| |
| |
| void load_colorscheme(void) { |
| static void load_colorscheme(void) { |
| scheme[COL_TXT] = 0x17; |
| scheme[COL_STATUSBAR1] = 0x70; |
| scheme[COL_STATUSBAR2] = 0x78; |
| 136,10 → 139,11 |
|---|
| if (m > 'z') m = 'a'; |
| #endif |
| |
| for (l = db->topscreen; l != NULL; l = l->next) { |
| for (l = db->topscreen; l != NULL; l = l->next, y++) { |
| |
| /* skip lines that do not to be refreshed */ |
| if ((y < uidirtyfrom) || (y > uidirtyto)) continue; |
| if (y < uidirtyfrom) continue; |
| if (y > uidirtyto) break; |
| |
| if (db->xoffset < l->len) { |
| for (len = 0; l->payload[len] != 0; len++) mdr_cout_char(y, len, l->payload[len], scheme[COL_TXT]); |
| 153,7 → 157,6 |
|---|
| #endif |
| |
| if (y == screenh - 2) break; |
| y++; |
| } |
| } |
| |
| 390,6 → 393,26 |
|---|
| } else if (k == 0x1B) { /* ESC */ |
| break; |
| |
| } else if (k == 0x0D) { /* ENTER */ |
| /* add a new line */ |
| if (line_add(&db, db.cursor->payload + db.xoffset + cursorposx) == 0) { |
| /* trim the line above */ |
| db.cursor->prev->len = db.xoffset + cursorposx; |
| db.cursor->prev->payload[db.cursor->prev->len] = 0; |
| /* move cursor to the (new) line below */ |
| cursorposx = 0; |
| if (cursorposy < screenh - 2) { |
| uidirtyfrom = cursorposy; |
| cursorposy++; |
| } else { |
| db.topscreen = db.topscreen->next; |
| uidirtyfrom = 0; |
| } |
| uidirtyto = 0xff; |
| } else { |
| /* ERROR: OUT OF MEMORY */ |
| } |
| |
| } else { /* UNHANDLED KEY - TODO IGNORE THIS IN PRODUCTION RELEASE */ |
| char buff[4]; |
| const char *HEX = "0123456789ABCDEF"; |