From bce944d1498eaa3b6940ee234c863b3548a66b37 Mon Sep 17 00:00:00 2001 From: Benji Dial Date: Sun, 24 Jan 2021 12:00:11 -0500 Subject: graphics! --- src/user/manual/manual.c | 303 ----------------------------------------------- 1 file changed, 303 deletions(-) delete mode 100644 src/user/manual/manual.c (limited to 'src/user/manual') diff --git a/src/user/manual/manual.c b/src/user/manual/manual.c deleted file mode 100644 index d1af406..0000000 --- a/src/user/manual/manual.c +++ /dev/null @@ -1,303 +0,0 @@ -#include -#include -#include -#include -#include - -#define ERROR_COLOR _COLOR_BG_LGRAY | _COLOR_FG_RED -#define UI_COLOR _COLOR_BG_LGRAY | _COLOR_FG_BLACK -#define DEFAULT_TEXT_COLOR _COLOR_BG_BLACK | _COLOR_FG_WHITE - -#define MAN_ROOT "man/" -#define MRL 4 -#define MAN_EXT "man" - -#define MAX_PATH_LEN 255 - -#define SP80 " " -#define SP79 " " -#define SP69 " " -#define SP10 " " - -struct file *cur_file = 0; - -char *name_backup = 0; - -uint32_t *line_offsets = 0; -uint32_t n_lines; - -struct link { - uint32_t line; - uint8_t col; - uint8_t len; - char *lto; -}; - -struct link *link_table_start = 0; -struct link *link_table_end; - -struct link *cur_link = 0; - -uint32_t line_on; - -#define DATA_BUF_SIZE 2000 - -void print_page() { - uint8_t buf[DATA_BUF_SIZE];//1840 + up to 160 color codes - seek_file_to(cur_file, line_offsets[line_on]); - uint8_t *bufp = buf + DATA_BUF_SIZE; - uint8_t *bufend; - uint8_t row = 1, col = 0; - - _set_color(DEFAULT_TEXT_COLOR); - while (row != 24) { - if (bufp == buf + DATA_BUF_SIZE) { - bufp = buf; - uint16_t bl = read_from_file(cur_file, DATA_BUF_SIZE, buf); - bufend = bl == DATA_BUF_SIZE ? 0 : buf + bl; - } - if (bufp == bufend) { - uint32_t *i = buf; - uint16_t l = 80 - col + (23 - row) * 80; - uint32_t *e = i + l / 4 + 1; - while (i != e) - *(i++) = 0x20202020; - buf[l] = '\0'; - _print_at(row, col, buf); - break; - } - if (*bufp & 0x80) - _set_color(*bufp & 0x7f); - else { - char bufpb[2] = {*bufp, '\0'}; - _print_at(row, col, bufpb); - if (++col == 80) { - col = 0; - ++row; - } - } - ++bufp; - } - - if (cur_link) - for (uint8_t c = cur_link->col; c < cur_link->col + cur_link->len; ++c) - _swap_color(cur_link->line - line_on + 1, c); -} - -void scroll_to(uint32_t n) { - if (n > n_lines - 23) - n = n_lines - 23; - - if (cur_link && ((cur_link->line < n) || (cur_link->line >= n + 23))) - cur_link = 0; - - line_on = n; - print_page(); - - char b[16] = "Line "; - itosz(line_on, b + 5); - - _set_color(UI_COLOR); - _print_at(24, 0, SP69); - _print_at(24, 0, b); -} - -void scroll_link() { - if (cur_link->line < line_on) - scroll_to(cur_link->line); - else if (cur_link->line >= line_on + 23) - scroll_to(cur_link->line - 22); - else - print_page(); -} - -void load_file(const char *name) { - static char cur_page[MAX_PATH_LEN + 1] = MAN_ROOT; - uint32_t name_len = strcpy(cur_page + MRL, name); - strcpy(cur_page + MRL + name_len, "." MAN_EXT); - - struct file *new_file = open_file(cur_page); - if (!new_file) { - _set_color(ERROR_COLOR); - _print_at(24, 0, SP79); - _print_at(24, 0, "Could not open file."); - return; - } - - if (name_backup) - free_block(name_backup); - name_backup = strdup(name); - - if (cur_file) - close_file(cur_file); - cur_file = new_file; - - uint32_t tlen; - read_from_file(cur_file, 4, &tlen); - char title[81]; - read_from_file(cur_file, tlen + 1, title); - - _set_color(UI_COLOR); - _print_at(0, 0, SP80); - _print_at(0, 0, title); - - if (link_table_start) { - for (struct link *l = link_table_start; l != link_table_end; ++l) - free_block(l->lto); - free_block(link_table_start); - } - - uint32_t linktc; - read_from_file(cur_file, 4, &linktc); - if (linktc) { - link_table_start = get_block(sizeof(struct link) * linktc); - link_table_end = link_table_start + linktc; - read_from_file(cur_file, 4, &linktc);//dummy - - for (struct link *l = link_table_start; l != link_table_end; ++l) { - read_from_file(cur_file, 4, &l->line); - read_from_file(cur_file, 1, &l->col); - read_from_file(cur_file, 1, &l->len); - uint32_t lto_l; - read_from_file(cur_file, 4, <o_l); - l->lto = get_block(lto_l + 1); - read_from_file(cur_file, lto_l + 1, l->lto); - } - } - else { - link_table_start = 0; - read_from_file(cur_file, 4, &linktc);//dummy - } - - cur_link = 0; - - if (line_offsets) - free_block(line_offsets); - - read_from_file(cur_file, 4, &n_lines); - line_offsets = get_block(n_lines * 4); - read_from_file(cur_file, n_lines * 4, line_offsets); - - char b[11]; - itosz(n_lines, b); - - _set_color(UI_COLOR); - _print_at(24, 69, SP10); - _print_at(24, 69, b); - - scroll_to(0); -} - -struct stack_entry { - struct stack_entry *down; - char *name; - uint32_t line; -}; - -struct stack_entry *stack_top = 0; - -void push() { - struct stack_entry *new_entry = get_block(sizeof(struct stack_entry)); - new_entry->down = stack_top; - new_entry->name = strdup(name_backup); - new_entry->line = line_on; - stack_top = new_entry; -} - -void pop() { - if (stack_top) { - load_file(stack_top->name); - scroll_to(stack_top->line); - free_block(stack_top->name); - free_block(stack_top); - stack_top = stack_top->down; - } -} - -void main() { - _set_color(UI_COLOR); - _print_at(24, 79, " "); - - load_file("index"); - - while (true) { - switch (_get_key()) { - case 0: - default: - _yield_task(); - break; - case _KEY_UP: - if (n_lines <= 23) - break; - if (line_on) - scroll_to(line_on - 1); - break; - case _KEY_DOWN: - if (n_lines <= 23) - break; - if (line_on < n_lines - 23) - scroll_to(line_on + 1); - break; - case _KEY_PUP: - if (n_lines <= 23) - break; - scroll_to(line_on <= 22 ? 0 : line_on - 22); - break; - case _KEY_PDOWN: - if (n_lines <= 23) - break; - scroll_to(line_on + 22); - break; - case _KEY_LEFT: - if (cur_link == link_table_start) - break; - if (cur_link) { - --cur_link; - scroll_link(); - } - else if (link_table_start) { - struct link *l = link_table_end; - while (l != link_table_start) { - --l; - if (l->line <= line_on + 22) - break; - } - cur_link = l; - scroll_link(); - } - break; - case _KEY_RIGHT: - if (cur_link == link_table_end - 1) - break; - if (cur_link) { - ++cur_link; - scroll_link(); - } - else if (link_table_start) { - struct link *l = link_table_start; - while (l != link_table_end) { - if (l->line >= line_on) - break; - ++l; - } - cur_link = l; - scroll_link(); - } - break; - case ' ': - case '\n': - case _KEY_NENTER: - if (cur_link) { - push(); - load_file(cur_link->lto); - } - break; - case _KEY_ESC: - if (stack_top) - pop(); - break; - case 'q': - return; - } - } -} \ No newline at end of file -- cgit v1.2.3