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#include "Prototypes.h"

#include "Structures.h"

#include <stdbool.h>

#if HAVE_CURSES

static SCREEN* CRT_term;

#else

#include <sys/ioctl.h>

#include <stdio.h>

#include <stdarg.h>

#include <unistd.h>

#include <string.h>

#include <termios.h>

#include <poll.h>

static int cursorX;

static int cursorY;

static struct termios stdoutSettings;

static Hashtable* Display_terminalSequences;

#endif

/*{

#include "config.h"

#ifndef _XOPEN_SOURCE_EXTENDED

#define _XOPEN_SOURCE_EXTENDED

#endif

#ifdef HAVE_NCURSESW_CURSES_H

#include <ncursesw/curses.h>

#define HAVE_CURSES 1

#elif HAVE_NCURSES_NCURSES_H

#include <ncurses/ncurses.h>

#define HAVE_CURSES 1

#elif HAVE_NCURSES_H

#include <ncurses.h>

#define HAVE_CURSES 1

#elif HAVE_CURSES_H

#include <curses.h>

#define HAVE_CURSES 1

#else

#define OK 0

#define ERR -1

#define BUTTON1_PRESSED 1000

typedef struct mevent {

int x;

int y;

} MEVENT;

// Permission is hereby granted, free of charge, to any person obtaining a

// copy of this software and associated documentation files (the

// "Software"), to deal in the Software without restriction, including

// without limitation the rights to use, copy, modify, merge, publish,

// distribute, distribute with modifications, sublicense, and/or sell

// copies of the Software, and to permit persons to whom the Software is

// furnished to do so, subject to the following conditions:

// The above copyright notice and this permission notice shall be included

// in all copies or substantial portions of the Software.

// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS

// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF

// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.

// IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,

// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR

// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR

// THE USE OR OTHER DEALINGS IN THE SOFTWARE.

// Except as contained in this notice, the name(s) of the above copyright

// holders shall not be used in advertising or otherwise to promote the

// sale, use or other dealings in this Software without prior written

// authorization.

#define NCURSES_ATTR_SHIFT 8

#define NCURSES_BITS(mask,shift) ((mask) << ((shift) + NCURSES_ATTR_SHIFT))

#define COLOR_PAIR(n) NCURSES_BITS(n, 0)

#define A_NORMAL (1UL - 1UL)

#define A_ATTRIBUTES NCURSES_BITS(~(1UL - 1UL),0)

#define A_CHARTEXT (NCURSES_BITS(1UL,0) - 1UL)

#define A_COLOR NCURSES_BITS(((1UL) << 8) - 1UL,0)

#define A_STANDOUT NCURSES_BITS(1UL,8)

#define A_UNDERLINE NCURSES_BITS(1UL,9)

#define A_REVERSE NCURSES_BITS(1UL,10)

#define A_BLINK NCURSES_BITS(1UL,11)

#define A_DIM NCURSES_BITS(1UL,12)

#define A_BOLD NCURSES_BITS(1UL,13)

#define KEY_DOWN 0402 // down-arrow key

#define KEY_UP 0403 // up-arrow key

#define KEY_LEFT 0404 // left-arrow key

#define KEY_RIGHT 0405 // right-arrow key

#define KEY_HOME 0406 // home key

#define KEY_BACKSPACE 0407 // backspace key

#define KEY_F0 0410 // Function keys. Space for 64

#define KEY_F(n) (KEY_F0+(n)) // Value of function key n

#define KEY_DL 0510 // delete-line key

#define KEY_IL 0511 // insert-line key

#define KEY_DC 0512 // delete-character key

#define KEY_IC 0513 // insert-character key

#define KEY_EIC 0514 // sent by rmir or smir in insert mode

#define KEY_CLEAR 0515 // clear-screen or erase key

#define KEY_EOS 0516 // clear-to-end-of-screen key

#define KEY_EOL 0517 // clear-to-end-of-line key

#define KEY_SF 0520 // scroll-forward key

#define KEY_SR 0521 // scroll-backward key

#define KEY_NPAGE 0522 // next-page key

#define KEY_PPAGE 0523 // previous-page key

#define KEY_STAB 0524 // set-tab key

#define KEY_CTAB 0525 // clear-tab key

#define KEY_CATAB 0526 // clear-all-tabs key

#define KEY_ENTER 0527 // enter/send key

#define KEY_PRINT 0532 // print key

#define KEY_LL 0533 // lower-left key (home down)

#define KEY_A1 0534 // upper left of keypad

#define KEY_A3 0535 // upper right of keypad

#define KEY_B2 0536 // center of keypad

#define KEY_C1 0537 // lower left of keypad

#define KEY_C3 0540 // lower right of keypad

#define KEY_BTAB 0541 // back-tab key

#define KEY_BEG 0542 // begin key

#define KEY_CANCEL 0543 // cancel key

#define KEY_CLOSE 0544 // close key

#define KEY_COMMAND 0545 // command key

#define KEY_COPY 0546 // copy key

#define KEY_CREATE 0547 // create key

#define KEY_END 0550 // end key

#define KEY_EXIT 0551 // exit key

#define KEY_FIND 0552 // find key

#define KEY_HELP 0553 // help key

#define KEY_MARK 0554 // mark key

#define KEY_MESSAGE 0555 // message key

#define KEY_MOVE 0556 // move key

#define KEY_NEXT 0557 // next key

#define KEY_OPEN 0560 // open key

#define KEY_OPTIONS 0561 // options key

#define KEY_PREVIOUS 0562 // previous key

#define KEY_REDO 0563 // redo key

#define KEY_REFERENCE 0564 // reference key

#define KEY_REFRESH 0565 // refresh key

#define KEY_REPLACE 0566 // replace key

#define KEY_RESTART 0567 // restart key

#define KEY_RESUME 0570 // resume key

#define KEY_SAVE 0571 // save key

#define KEY_SBEG 0572 // shifted begin key

#define KEY_SCANCEL 0573 // shifted cancel key

#define KEY_SCOMMAND 0574 // shifted command key

#define KEY_SCOPY 0575 // shifted copy key

#define KEY_SCREATE 0576 // shifted create key

#define KEY_SDC 0577 // shifted delete-character key

#define KEY_SDL 0600 // shifted delete-line key

#define KEY_SELECT 0601 // select key

#define KEY_SEND 0602 // shifted end key

#define KEY_SEOL 0603 // shifted clear-to-end-of-line key

#define KEY_SEXIT 0604 // shifted exit key

#define KEY_SFIND 0605 // shifted find key

#define KEY_SHELP 0606 // shifted help key

#define KEY_SHOME 0607 // shifted home key

#define KEY_SIC 0610 // shifted insert-character key

#define KEY_SLEFT 0611 // shifted left-arrow key

#define KEY_SMESSAGE 0612 // shifted message key

#define KEY_SMOVE 0613 // shifted move key

#define KEY_SNEXT 0614 // shifted next key

#define KEY_SOPTIONS 0615 // shifted options key

#define KEY_SPREVIOUS 0616 // shifted previous key

#define KEY_SPRINT 0617 // shifted print key

#define KEY_SREDO 0620 // shifted redo key

#define KEY_SREPLACE 0621 // shifted replace key

#define KEY_SRIGHT 0622 // shifted right-arrow key

#define KEY_SRSUME 0623 // shifted resume key

#define KEY_SSAVE 0624 // shifted save key

#define KEY_SSUSPEND 0625 // shifted suspend key

#define KEY_SUNDO 0626 // shifted undo key

#define KEY_SUSPEND 0627 // suspend key

#define KEY_UNDO 0630 // undo key

#define KEY_MOUSE 0631 // Mouse event has occurred

#define KEY_RESIZE 0632 // Terminal resize event

#define KEY_EVENT 0633 // We were interrupted by an event

#define KEY_MAX 0777

#define COLOR_BLACK 0

#define COLOR_RED 1

#define COLOR_GREEN 2

#define COLOR_YELLOW 3

#define COLOR_BLUE 4

#define COLOR_MAGENTA 5

#define COLOR_CYAN 6

#define COLOR_WHITE 7

#endif

#ifdef HAVE_LIBNCURSESW

#define Display_writeChstrAtn mvadd_wchnstr

#elif HAVE_CURSES

#define Display_writeChstrAtn mvaddchnstr

#else

#define Display_writeChstrAtn Display_manualWriteChstrAtn

#endif

}*/

void Display_getScreenSize(int* w, int* h) {

#if HAVE_CURSES

*w = COLS;

*h = LINES;

#else

struct winsize ws;

int err = ioctl(1, TIOCGWINSZ, &ws);

if (err == 0) {

*w = ws.ws_col;

*h = ws.ws_row;

} else {

*w = 80;

*h = 25;

}

#endif

}

#if HAVE_CURSES

#define Display_printAt mvprintw

#else

void Display_printAt(int y, int x, const char* fmt, ...) {

va_list ap;

va_start(ap, fmt);

printf("\033[%d;%df", y+1, x+1);

vprintf(fmt, ap);

va_end(ap);

}

#endif

void Display_errorScreen(const char* fmt, ...) {

va_list ap;

char buffer[8192];

va_start(ap, fmt);

vsnprintf(buffer, sizeof(buffer)-1, fmt, ap);

va_end(ap);

Display_clear();

#if HAVE_CURSES

mvaddnstr(0, 0, buffer, sizeof(buffer)-1);

#else

printf("\033[%d;%df", 1, 1);

fwrite(buffer, sizeof(char), strlen(buffer), stdout);

#endif

buffer[sizeof(buffer)-1] = '\0';

int c = 0; char* p = buffer;

while ( (p = strchr(p, '\n')) ) { c++; p++; }

Display_printAt(2+c, 0, "Press any key.");

int key = Display_waitKey();

if (key == KEY_CTRL('C')) {

exit(1);

}

#if HAVE_CURSES

#define Display_writeAt mvaddstr

#define Display_writeAtn mvaddnstr

#define Display_writeChAt mvaddch

#else

void Display_writeAt(int y, int x, const char* str) {

printf("\033[%d;%df%s", y+1, x+1, str);

}

void Display_writeAtn(int y, int x, const char* str, int n) {

char buf[n+1];

strncpy(buf, str, MIN(n,strlen(str))+1);

buf[n] = '\0';

printf("\033[%d;%df%s", y+1, x+1, buf);

}

void Display_writeChAt(int y, int x, const char ch) {

printf("\033[%d;%df%c", y+1, x+1, ch);

}

#endif

#if HAVE_CURSES

#define Display_move move

#else

void Display_move(int y, int x) {

printf("\033[%d;%df", y+1, x+1);

cursorY = y;

cursorX = x;

}

#endif

#if HAVE_CURSES

#define Display_mvhline mvhline

#else

void Display_mvhline(int y, int x, char c, int qty) {

printf("\033[%d;%df", y+1, x+1);

for (int i = 0; i < qty; i++)

putchar(c);

}

#endif

#if HAVE_CURSES

#define Display_mvvline mvvline

#else

void Display_mvvline(int y, int x, char c, int qty) {

for (int i = 0; i < qty; i++) {

printf("\033[%d;%df%c", y+1+i, x+1, c);

}

#endif

#if HAVE_CURSES

#define Display_attrset attrset

#else

void Display_attrToEscape(unsigned long attr, char* escape) {

escape[0] = '\033';

escape[1] = '[';

int i = 2;

escape[i] = '0'; i++;

if (attr > 0) {

if (attr & A_BOLD) {

escape[i] = ';'; i++;

escape[i] = '1'; i++;

// } else {

// escape[i] = '2'; i++;

}

if (attr & A_REVERSE) {

escape[i] = ';'; i++;

escape[i] = '7'; i++;

// } else {

// escape[i] = '2'; i++;

// escape[i] = '7'; i++;

}

if (attr & (7<<8)) {

escape[i] = ';'; i++;

escape[i] = '4'; i++;

escape[i] = '0' + ((attr & (7<<8))>>8); i++;

}

if (attr & (077<<8)) {

escape[i] = ';'; i++;

escape[i] = '3'; i++;

escape[i] = '0' + ((attr & (7<<11)) >> 11); i++;

}

escape[i] = 'm';

escape[i+1] = '\0';

}

void Display_attrset(unsigned long attr) {

char escape[20];

Display_attrToEscape(attr, escape);

fwrite(escape, 1, strlen(escape), stdout);

}

#endif

#if HAVE_CURSES

#define Display_clear clear

#else

void Display_clear() {

fwrite("\033[H\033[2J", 1, 6, stdout);

}

#endif

#if HAVE_CURSES

#else

void Display_manualWriteChstrAtn(int y, int x, CharType* chstr, int n) {

printf("\033[%d;%df", y+1, x+1, y, x, n);

char str[n];

for (int i = 0; i < n; i++) {

int attr = (chstr[i] & 0xff00) >> 8;

char c = chstr[i] & 0xff;

str[i] = c;

}

fwrite(str, 1, n, stdout);

int lastAttr = -1;

char buffer[1024];

int len = 0;

for (int i = 0; i < n; i++) {

int attr = (chstr[i] & 0xffffff00);

char c = chstr[i] & 0xff;

if (attr != lastAttr) {

char escape[20];

Display_attrToEscape(attr, escape);

len += snprintf(buffer+len, sizeof(buffer)-len, "%s%c", escape, c);

lastAttr = attr;

} else {

len += snprintf(buffer+len, sizeof(buffer)-len, "%c", c);

}

if (len > 1000) {

fwrite(buffer, 1, len, stdout);

len = 0;

}

len += snprintf(buffer+len, sizeof(buffer)-len, "\033[0m");

fwrite(buffer, 1, len, stdout);

}

#endif

#if HAVE_CURSES

#define Display_clearToEol clrtoeol

#else

void Display_clearToEol() {

fwrite("\033[K", 3, 1, stdout);

}

#endif

#if HAVE_CURSES

void Display_getyx(int* y, int* x) {

getyx(stdscr, *y, *x);

}

#else

void Display_getyx(int* y, int* x) {

*y = cursorY;

*x = cursorX;

}

#endif

int Display_getch(bool* code) {

#if HAVE_CURSES

#if HAVE_NCURSESW_CURSES_H

wint_t ch;

int isCode = get_wch(&ch);

*code = (isCode == KEY_CODE_YES || isCode == ERR);

if (isCode == ERR) return ERR;

#else

int ch = getch();

*code = (ch > 0xff || ch == ERR);

#endif

return (int)ch;

#else

char sequence[11] = { 0 };

// TODO: UTF-8 loop

int ch = getchar();

sequence[0] = ch;

if (ch == 27) {

for (int i = 1; i <= 10; i++) {

struct pollfd pfd = { .fd = 0, .events = POLLIN, .revents = 0 };

int any = poll(&pfd, 1, 30);

if (any > 0) {

sequence[i] = getchar();

} else {

break;

}

int keynum = (int) Hashtable_getString(Display_terminalSequences, sequence);

if (keynum) {

*code = true;

return keynum;

}

*code = false;

return ch;

#endif

}

int Display_waitKey() {

bool code;

return Display_getch(&code);

}

#if HAVE_CURSES

#define Display_defineKey define_key

#else

void Display_defineKey(const char* sequence, int keynum) {

Hashtable_putString(Display_terminalSequences, sequence, (void*) keynum);

}

#endif

#if HAVE_CURSES

#define Display_bkgdset bkgdset

#else

void Display_bkgdset(int color) {

// TODO

}

#endif

#if HAVE_CURSES

#define Display_beep beep

#else

void Display_beep() {

fwrite("\007", 1, 1, stdout);

}

#endif

#if HAVE_CURSES

#define Display_getmouse getmouse

#else

int Display_getmouse(MEVENT* mevent) {

// TODO

return ERR;

}

#endif

#if HAVE_CURSES

#define Display_refresh refresh

#else

void Display_refresh() {

// TODO

}

#endif

#if HAVE_CURSES

bool Display_init(char* term) {

CRT_term = newterm(term, stdout, stdin);

raw();

noecho();

if (CRT_delay)

halfdelay(CRT_delay);

nonl();

intrflush(stdscr, false);

keypad(stdscr, true);

mousemask(BUTTON1_PRESSED, NULL);

ESCDELAY = 50;

if (has_colors()) {

start_color();

use_default_colors();

for (int i = 0; i < 8; i++)

for (int j = 0; j < 8; j++)

init_pair(i*8+j, i==7?-1:i, j==0?-1:j);

init_pair(White*8+Black, Black, -1);

return true;

}

return false;

}

#else

bool Display_init(char* term) {

tcgetattr(0, &stdoutSettings);

struct termios rawTerm = stdoutSettings;

rawTerm.c_iflag &= ~(IGNBRK | BRKINT | PARMRK | ISTRIP

| INLCR | IGNCR | ICRNL | IXON);

rawTerm.c_oflag &= ~OPOST;

rawTerm.c_lflag &= ~(ECHO | ECHONL | ICANON | ISIG | IEXTEN);

rawTerm.c_cflag &= ~(CSIZE | PARENB);

rawTerm.c_cflag |= CS8;

//rawTerm.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);

tcsetattr(0, TCSADRAIN, &rawTerm);

setbuf(stdin, NULL);

Display_terminalSequences = Hashtable_new(200, Hashtable_STR, Hashtable_BORROW_REFS);

return true;

}

#endif

#if HAVE_CURSES

void Display_done() {

curs_set(1);

endwin();

//delscreen(CRT_term);

}

#else

void Display_done() {

tcsetattr(0, TCSADRAIN, &stdoutSettings);

Hashtable_delete(Display_terminalSequences);

}

#endif

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