terminal application with ipc, shift+pause state dumper, hello world for terminal, meminfo popup program

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