ref: 93b2707bcab49442a8c45a25ff38ccbbd17683ad
dir: /tui_main.c/
#include "bank.h"
#include "base.h"
#include "field.h"
#include "mark.h"
#include "sim.h"
#include <getopt.h>
#include <locale.h>
#include <ncurses.h>
static void usage() {
// clang-format off
fprintf(stderr,
"Usage: ui [options] infile\n\n"
"Options:\n"
" -h or --help Print this message and exit.\n"
);
// clang-format on
}
typedef enum {
C_natural,
C_black,
C_red,
C_green,
C_yellow,
C_blue,
C_magenta,
C_cyan,
C_white,
} Color_name;
enum {
Colors_count = C_white + 1,
};
enum {
Cdef_normal = COLOR_PAIR(1),
};
typedef enum {
A_normal = A_NORMAL,
A_bold = A_BOLD,
A_dim = A_DIM,
A_reverse = A_REVERSE,
} Term_attr;
ORCA_FORCE_INLINE
int fg_bg(Color_name fg, Color_name bg) {
return COLOR_PAIR(1 + fg * Colors_count + bg);
}
typedef enum {
Glyph_class_unknown,
Glyph_class_grid,
Glyph_class_comment,
Glyph_class_uppercase,
Glyph_class_lowercase,
Glyph_class_movement,
Glyph_class_numeric,
Glyph_class_bang,
} Glyph_class;
static Glyph_class glyph_class_of(Glyph glyph) {
if (glyph == '.' || glyph == '+')
return Glyph_class_grid;
if (glyph >= '0' && glyph <= '9')
return Glyph_class_numeric;
switch (glyph) {
case 'N':
case 'n':
case 'E':
case 'e':
case 'S':
case 's':
case 'W':
case 'w':
case 'Z':
case 'z':
return Glyph_class_movement;
case '*':
return Glyph_class_bang;
case '#':
return Glyph_class_comment;
}
if (glyph >= 'A' && glyph <= 'Z')
return Glyph_class_uppercase;
if (glyph >= 'a' && glyph <= 'z')
return Glyph_class_lowercase;
return Glyph_class_unknown;
}
static chtype chtype_of_cell(Glyph g, Mark m) {
Glyph_class gclass = glyph_class_of(g);
int attr = A_normal;
switch (gclass) {
case Glyph_class_unknown:
attr = A_bold | fg_bg(C_red, C_natural);
break;
case Glyph_class_grid:
attr = A_bold | fg_bg(C_black, C_natural);
break;
case Glyph_class_comment:
attr = A_dim | Cdef_normal;
break;
case Glyph_class_uppercase:
attr = A_normal | fg_bg(C_black, C_cyan);
break;
case Glyph_class_lowercase:
case Glyph_class_movement:
case Glyph_class_numeric:
attr = A_bold | Cdef_normal;
break;
case Glyph_class_bang:
attr = A_bold | Cdef_normal;
break;
}
if (gclass != Glyph_class_comment && (m & Mark_flag_lock)) {
attr = A_dim | Cdef_normal;
}
if (m & Mark_flag_output) {
attr = A_reverse;
}
if (m & Mark_flag_haste_input) {
attr = A_bold | fg_bg(C_cyan, C_natural);
}
return (chtype)((int)g | attr);
}
void draw_ui_bar(WINDOW* win, int win_y, int win_x, const char* filename,
Usz tick_num) {
wmove(win, win_y, win_x);
wattrset(win, A_dim | Cdef_normal);
wprintw(win, "%s tick ", filename);
wattrset(win, A_normal | fg_bg(C_white, C_natural));
wprintw(win, "%d", (int)tick_num);
// wprintw(win, " q: quit space: step ");
wclrtoeol(win);
}
void draw_debug_field(WINDOW* win, int term_h, int term_w, int pos_y, int pos_x,
Glyph const* gbuffer, Mark const* mbuffer, Usz field_h,
Usz field_w, Usz ruler_spacing_y, Usz ruler_spacing_x) {
enum { Bufcount = 4096 };
(void)term_h;
(void)term_w;
if (field_w > Bufcount)
return;
chtype buffer[Bufcount];
bool use_rulers = ruler_spacing_y != 0 && ruler_spacing_x != 0;
for (Usz y = 0; y < field_h; ++y) {
Glyph const* gline = gbuffer + y * field_w;
Mark const* mline = mbuffer + y * field_w;
bool use_y_ruler = use_rulers && y % ruler_spacing_y == 0;
for (Usz x = 0; x < field_w; ++x) {
Glyph g = gline[x];
Mark m = mline[x];
if (g == '.') {
if (use_y_ruler && x % ruler_spacing_x == 0)
g = '+';
}
buffer[x] = chtype_of_cell(g, m);
}
wmove(win, pos_y + (int)y, pos_x);
waddchnstr(win, buffer, (int)field_w);
}
}
int main(int argc, char** argv) {
static struct option tui_options[] = {{"help", no_argument, 0, 'h'},
{NULL, 0, NULL, 0}};
char* input_file = NULL;
for (;;) {
int c = getopt_long(argc, argv, "h", tui_options, NULL);
if (c == -1)
break;
switch (c) {
case 'h':
usage();
return 1;
case '?':
usage();
return 1;
}
}
if (optind == argc - 1) {
input_file = argv[optind];
} else if (optind < argc - 1) {
fprintf(stderr, "Expected only 1 file argument.\n");
return 1;
}
if (input_file == NULL) {
fprintf(stderr, "No input file.\n");
usage();
return 1;
}
Field field;
field_init(&field);
Field_load_error fle = field_load_file(input_file, &field);
if (fle != Field_load_error_ok) {
field_deinit(&field);
char const* errstr = "Unknown";
switch (fle) {
case Field_load_error_ok:
break;
case Field_load_error_cant_open_file:
errstr = "Unable to open file";
break;
case Field_load_error_too_many_columns:
errstr = "Grid file has too many columns";
break;
case Field_load_error_too_many_rows:
errstr = "Grid file has too many rows";
break;
case Field_load_error_no_rows_read:
errstr = "Grid file has no rows";
break;
case Field_load_error_not_a_rectangle:
errstr = "Grid file is not a rectangle";
break;
}
fprintf(stderr, "File load error: %s.\n", errstr);
return 1;
}
Markmap_reusable markmap_r;
markmap_reusable_init(&markmap_r);
markmap_reusable_ensure_size(&markmap_r, field.height, field.width);
mbuffer_clear(markmap_r.buffer, field.height, field.width);
Bank bank;
bank_init(&bank);
// Enable UTF-8 by explicitly initializing our locale before initializing
// ncurses.
setlocale(LC_ALL, "");
// Initialize ncurses
initscr();
// Allow ncurses to control newline translation. Fine to use with any modern
// terminal, and will let ncurses run faster.
nonl();
// Set interrupt keys (interrupt, break, quit...) to not flush. Helps keep
// ncurses state consistent, at the cost of less responsive terminal
// interrupt. (This will rarely happen.)
intrflush(stdscr, FALSE);
// Receive keyboard input immediately, and receive shift, control, etc. as
// separate events, instead of combined with individual characters.
raw();
// Don't echo keyboard input
noecho();
// Also receive arrow keys, etc.
keypad(stdscr, TRUE);
// Hide the terminal cursor
curs_set(0);
// Don't block on calls like getch() -- have it ERR immediately if the user
// hasn't typed anything. That way we can mix other timers in our code,
// instead of being a slave only to terminal input.
// nodelay(stdscr, TRUE);
// Enable color
start_color();
use_default_colors();
for (int ifg = 0; ifg < Colors_count; ++ifg) {
for (int ibg = 0; ibg < Colors_count; ++ibg) {
int res = init_pair((short int)(1 + ifg * Colors_count + ibg),
(short int)(ifg - 1), (short int)(ibg - 1));
if (res == ERR) {
endwin();
fprintf(stderr, "Error initializing color\n");
exit(1);
}
}
}
Usz tick_num = 0;
for (;;) {
int term_height = getmaxy(stdscr);
int term_width = getmaxx(stdscr);
assert(term_height >= 0 && term_width >= 0);
(void)term_height;
(void)term_width;
// clear();
draw_debug_field(stdscr, term_height, term_width, 0, 0, field.buffer,
markmap_r.buffer, field.height, field.width, 8, 8);
for (int y = field.height; y < term_height - 1; ++y) {
wmove(stdscr, y, 0);
wclrtoeol(stdscr);
}
draw_ui_bar(stdscr, term_height - 1, 0, input_file, tick_num);
//refresh();
int key;
// ncurses gives us ERR if there was no user input. We'll sleep for 0
// seconds, so that we'll yield CPU time to the OS instead of looping as
// fast as possible. This avoids battery drain/excessive CPU usage. There
// are better ways to do this that waste less CPU, but they require doing a
// little more work on each individual platform (Linux, Mac, etc.)
for (;;) {
key = getch();
if (key != ERR)
break;
sleep(0);
}
switch (key) {
case 'q':
goto quit;
case ' ':
orca_run(field.buffer, markmap_r.buffer, field.height, field.width,
tick_num, &bank);
++tick_num;
break;
}
// ncurses gives us the special value KEY_RESIZE if the user didn't
// actually type anything, but the terminal resized.
// bool ignored_input = ch < CHAR_MIN || ch > CHAR_MAX || ch == KEY_RESIZE;
}
quit:
endwin();
markmap_reusable_deinit(&markmap_r);
bank_deinit(&bank);
field_deinit(&field);
return 0;
}