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-rw-r--r--src/user/terminal/terminal.c284
1 files changed, 0 insertions, 284 deletions
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 <terminal/terminal.h>
-
-#include <libfont/fonts.h>
-
-#include <knob/format.h>
-#include <knob/heap.h>
-
-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
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-21 20:10:34 +0000