snark13/Sprinter-SDCC
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

ChangeLog:

Browse Source 
- big commit.
This commit is contained in:
Alexander Petrov
2026-06-10 10:35:48 +03:00
parent f87b52bb7f
commit 858e5755ad
20 changed files with 411 additions and 1347 deletions
Download Patch File Download Diff File Expand all files Collapse all files
examples/mdview/mdview.c
+112 -2
View File
@@ -87,6 +87,20 @@ static const uint8_t md_pallete[16 * 4] = {
#define ATTR_MENU_T COLOR(COLOR_BLACK, COLOR_LIGHTCYAN)
#define ATTR_MENU_K COLOR(COLOR_YELLOW, COLOR_BLACK)
/* ---- Атрибуты диалога справки ------------------------------------ */
#define ATTR_HELP_BG COLOR(COLOR_LIGHTGRAY, COLOR_BLACK)
#define ATTR_HELP_BDR COLOR(COLOR_WHITE, COLOR_BLACK)
#define ATTR_HELP_TIT COLOR(COLOR_YELLOW, COLOR_BLACK)
#define ATTR_HELP_HDR COLOR(COLOR_WHITE, COLOR_BLACK)
#define ATTR_HELP_HINT COLOR(COLOR_YELLOW, COLOR_BLACK)
/* Геометрия диалога справки (в символьных координатах 80×32). */
#define HELP_X 8u /* левая граница рамки */
#define HELP_Y 4u /* верхняя граница рамки */
#define HELP_W 64u /* ширина рамки (включая │) */
#define HELP_H 22u /* высота рамки (включая ─) */
/* ---- Глобальное состояние ---------------------------------------- */
/* Файл до 128 КБ хранится в наборе EMM-страниц (до 8 шт. по 16 КБ).
@@ -1662,6 +1676,86 @@ static void die(const char *msg)
(void)getkey();
}
/* ==================================================================
* Диалог справки (F1)
* ================================================================== */
/* Заполняет одну внутреннюю строку диалога (r=0 — первая строка за рамкой).
* Строка s в кодировке CP866; остаток до края дополняется пробелами. */
static void help_line(uint8_t r, const char *s, uint8_t attr)
{
uint8_t x = HELP_X + 1u;
uint8_t y = HELP_Y + 1u + r;
uint8_t i = 0;
while (s[i] && i < HELP_W - 2u) {
wrchar((uint8_t)(x + i), y, s[i], attr);
i++;
}
while (i < HELP_W - 2u) {
wrchar((uint8_t)(x + i), y, ' ', ATTR_HELP_BG);
i++;
}
}
static void show_help(void)
{
/* " Помощь " в CP866 (8 байт) */
static const char title[] = " \x8F\xAE\xAC\xAE\xE9\xEC ";
uint8_t tlen = 8u;
uint8_t lft = (uint8_t)((HELP_W - 2u - tlen) / 2u); /* = 27 */
uint8_t rgt = (uint8_t)(HELP_W - 2u - tlen - lft);
uint8_t cx, i;
/* Верхняя граница рамки с заголовком по центру */
wrchar(HELP_X, HELP_Y, 0xDA, ATTR_HELP_BDR); /* ┌ */
cx = HELP_X + 1u;
for (i = 0; i < lft; i++, cx++) wrchar(cx, HELP_Y, 0xC4, ATTR_HELP_BDR);
for (i = 0; i < tlen; i++, cx++) wrchar(cx, HELP_Y, title[i], ATTR_HELP_TIT);
for (i = 0; i < rgt; i++, cx++) wrchar(cx, HELP_Y, 0xC4, ATTR_HELP_BDR);
wrchar(HELP_X + HELP_W - 1u, HELP_Y, 0xBF, ATTR_HELP_BDR); /* ┐ */
/* Боковые границы (левый и правый │ для каждой строки тела) */
for (uint8_t r = 1u; r < HELP_H - 1u; r++) {
wrchar(HELP_X, HELP_Y + r, 0xB3, ATTR_HELP_BDR); /* │ */
wrchar(HELP_X + HELP_W - 1u, HELP_Y + r, 0xB3, ATTR_HELP_BDR); /* │ */
}
/* Нижняя граница рамки */
wrchar(HELP_X, HELP_Y + HELP_H - 1u, 0xC0, ATTR_HELP_BDR); /* └ */
for (i = 1u; i < HELP_W - 1u; i++)
wrchar(HELP_X + i, HELP_Y + HELP_H - 1u, 0xC4, ATTR_HELP_BDR);
wrchar(HELP_X + HELP_W - 1u, HELP_Y + HELP_H - 1u, 0xD9, ATTR_HELP_BDR); /* ┘ */
/* Содержимое (20 внутренних строк) */
uint8_t r = 0;
help_line(r++, "", ATTR_HELP_BG);
help_line(r++, " MDView v0.2 -- Markdown Viewer for Sprinter", ATTR_HELP_HDR);
help_line(r++, " (c) 2026 Petrov A.G.", ATTR_HELP_BG);
help_line(r++, "", ATTR_HELP_BG);
help_line(r++, " Navigation:", ATTR_HELP_HDR);
help_line(r++, " \x18 \x19 Scroll one line up / down", ATTR_HELP_BG);
help_line(r++, " PgUp PgDn Scroll one page up / down", ATTR_HELP_BG);
help_line(r++, " Home End Jump to beginning / end of document", ATTR_HELP_BG);
help_line(r++, " \x1B \x1A Horizontal pan (code blocks/tables)", ATTR_HELP_BG);
help_line(r++, " Esc F10 Exit", ATTR_HELP_BG);
help_line(r++, "", ATTR_HELP_BG);
help_line(r++, " Markdown elements:", ATTR_HELP_HDR);
help_line(r++, " # ## ### Headings H1-H6", ATTR_HELP_BG);
help_line(r++, " **bold** *italic* `code` ~~strike~~", ATTR_HELP_BG);
help_line(r++, " > quote ``` ... ``` Fenced code block", ATTR_HELP_BG);
help_line(r++, " - * + item 1. 2. Ordered list", ATTR_HELP_BG);
help_line(r++, " |----|----| Tables", ATTR_HELP_BG);
help_line(r++, "", ATTR_HELP_BG);
help_line(r++, " File size: up to 128 KB (EMM). Lines: up to 16384.", ATTR_HELP_BG);
help_line(r++, "", ATTR_HELP_BG);
(void)getkey();
render_full_status();
render_viewport();
render_menu();
}
/* ==================================================================
* Точка входа
* ================================================================== */
@@ -1669,8 +1763,23 @@ static void die(const char *msg)
int main(int argc, char **argv)
{
const char *path;
if (argc >= 2) path = argv[1];
else path = "SAMPLE.MD";
if (argc >= 2) {
path = argv[1];
} else {
path = "README.MD";
/* Дефолтный файл отсутствует — выводим подсказку без смены режима экрана. */
{
int chk = open(path, O_RDONLY);
if (chk < 0) {
cputs("MDView v0.2 -- Markdown Viewer for Sprinter\r\n");
cputs("(c) 2026 Petrov A.G.\r\n\r\n");
cputs("Usage: mdview <file.md>\r\n");
cputs(" Displays a Markdown document (CP866, up to 128 KB).\r\n");
return 1;
}
close(chk);
}
}
/* Копируем путь в static filename[] для отображения в статус-баре. */
{
@@ -1730,6 +1839,7 @@ int main(int argc, char **argv)
continue;
}
switch (scan) {
case KEY_F1: show_help(); break;
case KEY_F10: goto exit_loop;
case KEY_UP: scroll_up(1); break;
case KEY_DOWN: scroll_down(1); break;