From 47513bd32c256c4f35e3a8ced7d9fd7e15903530 Mon Sep 17 00:00:00 2001 From: Benji Dial Date: Tue, 16 Feb 2021 20:38:53 -0500 Subject: terminal application with ipc, shift+pause state dumper, hello world for terminal, meminfo popup program --- src/user/terminal/terminal.c | 284 ------------------------------------------- 1 file changed, 284 deletions(-) delete mode 100644 src/user/terminal/terminal.c (limited to 'src/user/terminal/terminal.c') diff --git a/src/user/terminal/terminal.c b/src/user/terminal/terminal.c deleted file mode 100644 index 7961fd5..0000000 --- a/src/user/terminal/terminal.c +++ /dev/null @@ -1,284 +0,0 @@ -#include - -#include - -#include -#include - -struct term_list_entry { - struct terminal term; - struct term_list_entry *next; - struct term_list_entry *prev; -}; - -struct term_list_entry *last_term = 0; -struct terminal *active_term = 0; - -struct terminal *make_term(struct font_info *font, uint32_t cols, uint32_t rows) { - if (!font) - return 0; - - struct term_list_entry *next_entry = get_block(sizeof(struct term_list_entry)); - if (!next_entry) - return 0; - - char *const cb = get_block(cols * rows); - - if (!cb) { - free_block(next_entry); - return 0; - } - - const uint32_t w = cols * font->space_width; - const uint32_t h = rows * font->space_height; - - uint8_t *const pb = get_block(w * h); - if (!pb) { - free_block(next_entry); - free_block(cb); - return 0; - } - - _window_handle_t win = _new_window(w, h, pb); - if (!win) { - free_block(next_entry); - free_block(cb); - free_block(pb); - return 0; - } - - for (char *i = cb; i < cb + cols * rows; ++i) - *i = ' '; - for (uint8_t *i = pb; i < pb + w * h; ++i) - *i = 0x10; - - next_entry->term.window = win; - next_entry->term.pixbuf = pb; - next_entry->term.window_width = w; - next_entry->term.window_height = h; - - next_entry->term.font = font; - - next_entry->term.cols = cols; - next_entry->term.rows = rows; - next_entry->term.charbuf = cb; - - next_entry->term.cursor_y = 0; - next_entry->term.cursor_x = 0; - - next_entry->term.fg = 0x0f; - next_entry->term.bg = 0x10; - - next_entry->prev = last_term; - next_entry->next = 0; - - if (last_term) - last_term->next = next_entry; - last_term = next_entry; - - return (struct terminal *)next_entry; -} - -void del_term(struct terminal *term) { - _delete_window(term->window); - free_block(term->pixbuf); - free_block(term->charbuf); - - free_block(term);//coincides with the term_list_entry - if (active_term == term) - active_term = 0; - - for (struct term_list_entry *i = last_term; i; i = i->prev) - if (i == (struct term_list_entry *)term) { - if (i->prev) - i->prev->next = i->next; - if (i->next) - i->next->prev = i->prev; - if (i == last_term) - last_term = i->prev; - return; - } -} - -static void draw_char(uint32_t y, uint32_t x, bool inverted) { - put_char(active_term->font, active_term->charbuf[y * active_term->cols + x], active_term->pixbuf + (y * active_term->cols * active_term->font->space_height + x) * active_term->font->space_width, active_term->window_width, inverted ? active_term->fg : active_term->bg, inverted ? active_term->bg : active_term->fg); -} - -static void draw_cursor() { - draw_char(active_term->cursor_y, active_term->cursor_x, true); -} - -void paint_term() { - _paint_window(active_term->window); -} - -void move_cursor(uint32_t new_y, uint32_t new_x) { - draw_char(active_term->cursor_y, active_term->cursor_x, false); - active_term->cursor_y = new_y; - active_term->cursor_x = new_x; - draw_cursor(); -} - -static void redraw_term() { - for (uint32_t y = 0; y < active_term->rows; ++y) - for (uint32_t x = 0; x < active_term->cols; ++x) - draw_char(y, x, false); - draw_cursor(); -} - -void set_color(uint8_t fg, uint8_t bg) { - active_term->fg = fg; - active_term->bg = bg; - redraw_term(); -} - -void clear_term() { - for (char *i = active_term->charbuf, *const e = i + active_term->cols * active_term->rows; i != e; ++i) - *i = ' '; - for (uint8_t *i = active_term->pixbuf, *const e = i + active_term->window_width * active_term->window_height; i != e; ++i) - *i = active_term->bg; - move_cursor(0, 0); -} - -void cursor_up() { - draw_char(active_term->cursor_y, active_term->cursor_x, false); - if (active_term->cursor_y) - --active_term->cursor_y; - else - //eventually, maybe scroll back through a longer terminal buffer - active_term->cursor_x = 0; - draw_cursor(); -} - -void cursor_left() { - draw_char(active_term->cursor_y, active_term->cursor_x, false); - if (active_term->cursor_x) { - --active_term->cursor_x; - draw_cursor(); - } - else { - active_term->cursor_x = active_term->cols - 1; - cursor_up(); - } -} - -void cursor_down() { - draw_char(active_term->cursor_y, active_term->cursor_x, false); - - const uint32_t rows = active_term->rows; - - if (++active_term->cursor_y == rows) { - --active_term->cursor_y; - - char *const cb = active_term->charbuf; - uint8_t *const pb = active_term->pixbuf; - const uint32_t cols = active_term->cols; - const uint32_t fw = active_term->font->space_width; - const uint32_t fh = active_term->font->space_height; - - char *to; - for (to = cb; to < cb + (rows - 1) * cols; ++to) - *to = *(to + cols); - for (; to < cb + rows * cols; ++to) - *to = ' '; - uint8_t *pto; - for (pto = pb; pto < pb + cols * fw * (rows - 1) * fh; ++pto) - *pto = *(pto + cols * fw * fh); - for (; pto < pb + cols * fw * rows * fh; ++pto) - *pto = active_term->bg; - } - - draw_cursor(); -} - -void cursor_right() { - draw_char(active_term->cursor_y, active_term->cursor_x, false); - - if (++active_term->cursor_x == active_term->cols) - term_newline(); - else - draw_cursor(); -} - -void term_newline() { - draw_char(active_term->cursor_y, active_term->cursor_x, false); - active_term->cursor_x = 0; - cursor_down(); -} - -void term_add_char(char ch) { - if (ch == '\n') { - term_newline(); - return; - } -//char *const debug_msg = format("charbuf[%u] = '%c'", active_term->cursor_y * active_term->cols + active_term->cursor_x, ch); -//_system_log(debug_msg); -//free_block(debug_msg); - active_term->charbuf[active_term->cursor_y * active_term->cols + active_term->cursor_x] = ch; - cursor_right(); -} - -void term_add_sz_no_ww(const char *sz) { - while (*sz) - term_add_char(*(sz++)); -} - -#define MIN_TAB 3 -#define TAB_STEP 4 - -void term_add_sz(const char *sz) { - //TODO: special hyphen handling - const char *word = sz; - while (1) - if (!*sz || (*sz == ' ') || (*sz == '\n') || (*sz == '\t')) { - const uint32_t len = sz - word; - if ((active_term->cursor_x + len > active_term->cols) && (len <= active_term->cols) && active_term->cols) - term_newline(); - for (const char *i = word; i < sz; ++i) - term_add_char(*i); - while ((*sz == ' ') || (*sz == '\n') || (*sz == '\t')) { - if (*sz == '\n') - term_newline(); - else if (*sz == '\t') { - for (uint8_t i = 0; i < MIN_TAB; ++i) - cursor_right(); - while (active_term->cursor_x % TAB_STEP) - cursor_right(); - } - ++sz; - } - if (!*sz) - return; - if (active_term->cursor_x) - term_add_char(' '); - word = sz; - } - else - ++sz; -} - -void term_addf_no_ww_v(const char *fmt, va_list args) { - char *const msg = format_v(fmt, args); - term_add_sz_no_ww(msg); - free_block(msg); -} - -void term_addf_no_ww(const char *fmt, ...) { - va_list args; - va_start(args, fmt); - term_addf_no_ww_v(fmt, args); - va_end(args); -} - -void term_addf_v(const char *fmt, va_list args) { - char *const msg = format_v(fmt, args); - term_add_sz(msg); - free_block(msg); -} - -void term_addf(const char *fmt, ...) { - va_list args; - va_start(args, fmt); - term_addf_v(fmt, args); - va_end(args); -} \ No newline at end of file -- cgit v1.2.3