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ncurses.c
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#ifdef NCURSES
#include <stdlib.h>
#include <unistd.h>
#include <ncurses.h>
#include <locale.h>
#define __USE_XOPEN
#include <wchar.h>
#include <string.h>
#include <sys/time.h>
#include "toy.h"
#include "interp.h"
#include "types.h"
#include "cell.h"
#include "global.h"
#include "array.h"
#include "cstack.h"
#include "util.h"
#include "encoding.h"
#include "fclib.h"
Toy_Type*
func_curses_init(Toy_Interp *interp, Toy_Type *posargs, Hash *nameargs, int arglen) {
WINDOW *wmain;
if (hash_get_length(nameargs) > 0) goto error;
if (arglen > 0) goto error;
setenv("ESCDELAY", "100", 1);
// setlocale(LC_ALL, "");
wmain = initscr();
start_color();
raw();
noecho();
nonl();
intrflush(stdscr, FALSE);
keypad(stdscr, TRUE);
return new_container(wmain, L"CURSES");
error:
return new_exception(TE_SYNTAX, L"Syntax error at 'curs-init', syntax: curs-init", interp);
}
#ifdef MOUSE
Toy_Type*
func_curses_mouse_on(Toy_Interp *interp, Toy_Type *posargs, Hash *nameargs, int arglen) {
mmask_t newmask, oldmask;
if (list_length(posargs) != 0) goto error;
if (hash_get_length(nameargs) > 0) goto error;
newmask =
BUTTON1_PRESSED | BUTTON1_RELEASED
| BUTTON2_PRESSED | BUTTON2_RELEASED
| BUTTON3_PRESSED | BUTTON3_RELEASED
| BUTTON4_PRESSED | BUTTON4_RELEASED
| BUTTON5_PRESSED | BUTTON5_RELEASED
| BUTTON_CTRL | BUTTON_ALT;
mousemask(newmask, &oldmask);
return const_T;
error:
return new_exception(TE_SYNTAX, L"Syntax error at 'curs-mouse-on', syntax: curs-mouse-on", interp);
}
Toy_Type*
func_curses_mouse_off(Toy_Interp *interp, Toy_Type *posargs, Hash *nameargs, int arglen) {
mmask_t newmask, oldmask;
if (list_length(posargs) != 0) goto error;
if (hash_get_length(nameargs) > 0) goto error;
newmask = 0;
mousemask(newmask, &oldmask);
return const_T;
error:
return new_exception(TE_SYNTAX, L"Syntax error at 'curs-mouse-off', syntax: curs-mouse-off", interp);
}
Toy_Type*
func_curses_get_mouse(Toy_Interp *interp, Toy_Type *posargs, Hash *nameargs, int arglen) {
MEVENT mevent;
Toy_Type *result;
Toy_Type *event;
if (list_length(posargs) != 0) goto error;
if (hash_get_length(nameargs) > 0) goto error;
if(getmouse(&mevent) != OK) return const_Nil;
result = new_list(NULL);
event = new_list(NULL);
if (mevent.bstate & BUTTON1_PRESSED) list_append(event, new_symbol(L"BUTTON1_PRESSED"));
if (mevent.bstate & BUTTON1_RELEASED) list_append(event, new_symbol(L"BUTTON1_RELEASED"));
if (mevent.bstate & BUTTON1_CLICKED) list_append(event, new_symbol(L"BUTTON1_CLICKED"));
if (mevent.bstate & BUTTON1_DOUBLE_CLICKED) list_append(event, new_symbol(L"BUTTON1_DOUBLE_CLICKED"));
if (mevent.bstate & BUTTON1_TRIPLE_CLICKED) list_append(event, new_symbol(L"BUTTON1_TRIPLE_CLICKED"));
if (mevent.bstate & BUTTON2_PRESSED) list_append(event, new_symbol(L"BUTTON2_PRESSED"));
if (mevent.bstate & BUTTON2_RELEASED) list_append(event, new_symbol(L"BUTTON2_RELEASED"));
if (mevent.bstate & BUTTON2_CLICKED) list_append(event, new_symbol(L"BUTTON2_CLICKED"));
if (mevent.bstate & BUTTON2_DOUBLE_CLICKED) list_append(event, new_symbol(L"BUTTON2_DOUBLE_CLICKED"));
if (mevent.bstate & BUTTON2_TRIPLE_CLICKED) list_append(event, new_symbol(L"BUTTON2_TRIPLE_CLICKED"));
if (mevent.bstate & BUTTON3_PRESSED) list_append(event, new_symbol(L"BUTTON3_PRESSED"));
if (mevent.bstate & BUTTON3_RELEASED) list_append(event, new_symbol(L"BUTTON3_RELEASED"));
if (mevent.bstate & BUTTON3_CLICKED) list_append(event, new_symbol(L"BUTTON3_CLICKED"));
if (mevent.bstate & BUTTON3_DOUBLE_CLICKED) list_append(event, new_symbol(L"BUTTON3_DOUBLE_CLICKED"));
if (mevent.bstate & BUTTON3_TRIPLE_CLICKED) list_append(event, new_symbol(L"BUTTON3_TRIPLE_CLICKED"));
if (mevent.bstate & BUTTON4_PRESSED) list_append(event, new_symbol(L"BUTTON4_PRESSED"));
if (mevent.bstate & BUTTON4_RELEASED) list_append(event, new_symbol(L"BUTTON4_RELEASED"));
if (mevent.bstate & BUTTON4_CLICKED) list_append(event, new_symbol(L"BUTTON4_CLICKED"));
if (mevent.bstate & BUTTON4_DOUBLE_CLICKED) list_append(event, new_symbol(L"BUTTON4_DOUBLE_CLICKED"));
if (mevent.bstate & BUTTON4_TRIPLE_CLICKED) list_append(event, new_symbol(L"BUTTON4_TRIPLE_CLICKED"));
if (mevent.bstate & BUTTON5_PRESSED) list_append(event, new_symbol(L"BUTTON5_PRESSED"));
if (mevent.bstate & BUTTON5_RELEASED) list_append(event, new_symbol(L"BUTTON5_RELEASED"));
if (mevent.bstate & BUTTON5_CLICKED) list_append(event, new_symbol(L"BUTTON5_CLICKED"));
if (mevent.bstate & BUTTON5_DOUBLE_CLICKED) list_append(event, new_symbol(L"BUTTON5_DOUBLE_CLICKED"));
if (mevent.bstate & BUTTON5_TRIPLE_CLICKED) list_append(event, new_symbol(L"BUTTON5_TRIPLE_CLICKED"));
if (mevent.bstate & BUTTON_SHIFT) list_append(event, new_symbol(L"BUTTON_SHIFT"));
if (mevent.bstate & BUTTON_CTRL) list_append(event, new_symbol(L"BUTTON_CTRL"));
if (mevent.bstate & BUTTON_ALT) list_append(event, new_symbol(L"BUTTON_ALT"));
if (mevent.bstate & REPORT_MOUSE_POSITION) list_append(event, new_symbol(L"REPORT_MOUSE_POSITION"));
list_append(result, event);
list_append(result, new_integer_si(mevent.y));
list_append(result, new_integer_si(mevent.x));
return result;
error:
return new_exception(TE_SYNTAX, L"Syntax error at 'curs-get-mouse', syntax: curs-get-mouse", interp);
}
Toy_Type*
func_curses_get_event_window(Toy_Interp *interp, Toy_Type *posargs, Hash *nameargs, int arglen) {
WINDOW *win;
Toy_Type *winl, *winc;
Toy_Type *tx, *ty;
int scrnx, scrny;
int winx, winy;
int i;
if (list_length(posargs) != 3) goto error;
if (hash_get_length(nameargs) > 0) goto error;
winl = list_get_item(posargs);
posargs = list_next(posargs);
ty = list_get_item(posargs);
posargs = list_next(posargs);
tx = list_get_item(posargs);
if (GET_TAG(winl) != LIST) goto error;
if (GET_TAG(ty) != INTEGER) goto error;
if (GET_TAG(tx) != INTEGER) goto error;
scrny = mpz_get_si(ty->u.biginteger);
scrnx = mpz_get_si(tx->u.biginteger);
winc = list_get_item(winl);
winl = list_next(winl);
i = 0;
while (winc) {
if (GET_TAG(winc) != CONTAINER) goto error;
if (wcscmp(cell_get_addr(winc->u.container.desc), L"CURSES") != 0) goto error;
win = winc->u.container.data;
winy = scrny;
winx = scrnx;
if (wmouse_trafo(win, &winy, &winx, 0) == true) {
Toy_Type *result;
result = new_list(NULL);
list_append(result, new_integer_si(i));
list_append(result, new_integer_si(winy));
list_append(result, new_integer_si(winx));
return result;
}
winc = list_get_item(winl);
winl = list_next(winl);
i ++;
};
return const_Nil;
error:
return new_exception(TE_SYNTAX, L"Syntax error at 'curs-get-event-window', syntax: curs-get-event-window (curs-list ...) screen-y screen-x", interp);
}
Toy_Type*
func_curses_ismouse(Toy_Interp *interp, Toy_Type *posargs, Hash *nameargs, int arglen) {
return const_T;
};
#else
Toy_Type*
func_curses_ismouse(Toy_Interp *interp, Toy_Type *posargs, Hash *nameargs, int arglen) {
return const_Nil;
};
#endif /* MOUSE */
Toy_Type*
func_curses_getscreensize(Toy_Interp *interp, Toy_Type *posargs, Hash *nameargs, int arglen) {
WINDOW *w;
Toy_Type *container;
int y, x;
Toy_Type *result;
if (hash_get_length(nameargs) > 0) goto error;
if (arglen != 1) goto error;
container = list_get_item(posargs);
if (GET_TAG(container) != CONTAINER) goto error;
if (wcscmp(cell_get_addr(container->u.container.desc), L"CURSES") != 0) {
return new_exception(TE_CURSES, L"Curses error at 'curs-get-screen-size', Bad descriptor.", interp);
}
w = container->u.container.data;
getmaxyx(w, y, x);
result = new_list(NULL);
list_append(result, new_integer_si(y));
list_append(result, new_integer_si(x));
return result;
error:
return new_exception(TE_SYNTAX, L"Syntax error at 'curs-get-screen-size', syntax: curs-get-screen-size window", interp);
}
Toy_Type*
func_curses_terminate(Toy_Interp *interp, Toy_Type *posargs, Hash *nameargs, int arglen) {
if (hash_get_length(nameargs) > 0) goto error;
if (arglen > 0) goto error;
endwin();
return const_T;
error:
return new_exception(TE_SYNTAX, L"Syntax error at 'curs-terminate', syntax: terminate", interp);
}
Toy_Type*
func_curses_createwindow(Toy_Interp *interp, Toy_Type *posargs, Hash *nameargs, int arglen) {
WINDOW *w, *wsub;
Toy_Type *container;
int y, x, py, px, nline, ncol;
Toy_Type *arg;
if (hash_get_length(nameargs) > 0) goto error;
if (arglen != 5) goto error;
container = list_get_item(posargs);
if (GET_TAG(container) != CONTAINER) goto error;
if (wcscmp(cell_get_addr(container->u.container.desc), L"CURSES") != 0) {
return new_exception(TE_CURSES, L"Curses error at 'curs-create-window', Bad descriptor.", interp);
}
w = container->u.container.data;
posargs = list_next(posargs);
arg = list_get_item(posargs);
if (GET_TAG(arg) != INTEGER) goto error;
y = mpz_get_si(arg->u.biginteger);
posargs = list_next(posargs);
arg = list_get_item(posargs);
if (GET_TAG(arg) != INTEGER) goto error;
x = mpz_get_si(arg->u.biginteger);
posargs = list_next(posargs);
arg = list_get_item(posargs);
if (GET_TAG(arg) != INTEGER) goto error;
nline = mpz_get_si(arg->u.biginteger);
posargs = list_next(posargs);
arg = list_get_item(posargs);
if (GET_TAG(arg) != INTEGER) goto error;
ncol = mpz_get_si(arg->u.biginteger);
getbegyx(w, py, px);
if (-1 == py) py = 0;
if (-1 == px) px = 0;
wsub = subwin(w, nline, ncol, y + py, x + px);
if (NULL == wsub) {
return new_exception(TE_CURSES, L"Curses error at 'curs-create-window', May be bad parameter.", interp);
}
notimeout(wsub, FALSE);
intrflush(wsub, FALSE);
keypad(wsub, TRUE);
return new_container(wsub, L"CURSES");
error:
return new_exception(TE_SYNTAX, L"Syntax error at 'curs-create-window', syntax: curs-create-window window y x lines columns", interp);
}
Toy_Type*
func_curses_newwindow(Toy_Interp *interp, Toy_Type *posargs, Hash *nameargs, int arglen) {
WINDOW *w, *wsub;
Toy_Type *container;
int y, x, py, px, nline, ncol;
Toy_Type *arg;
if (hash_get_length(nameargs) > 0) goto error;
if (arglen != 5) goto error;
container = list_get_item(posargs);
if (GET_TAG(container) != CONTAINER) goto error;
if (wcscmp(cell_get_addr(container->u.container.desc), L"CURSES") != 0) {
return new_exception(TE_CURSES, L"Curses error at 'curs-new-window', Bad descriptor.", interp);
}
w = container->u.container.data;
posargs = list_next(posargs);
arg = list_get_item(posargs);
if (GET_TAG(arg) != INTEGER) goto error;
y = mpz_get_si(arg->u.biginteger);
posargs = list_next(posargs);
arg = list_get_item(posargs);
if (GET_TAG(arg) != INTEGER) goto error;
x = mpz_get_si(arg->u.biginteger);
posargs = list_next(posargs);
arg = list_get_item(posargs);
if (GET_TAG(arg) != INTEGER) goto error;
nline = mpz_get_si(arg->u.biginteger);
posargs = list_next(posargs);
arg = list_get_item(posargs);
if (GET_TAG(arg) != INTEGER) goto error;
ncol = mpz_get_si(arg->u.biginteger);
getbegyx(w, py, px);
if (-1 == py) py = 0;
if (-1 == px) px = 0;
wsub = newwin(nline, ncol, y + py, x + px);
if (NULL == wsub) {
return new_exception(TE_CURSES, L"Curses error at 'curs-new-window', May be bad parameter.", interp);
}
notimeout(wsub, FALSE);
intrflush(wsub, FALSE);
keypad(wsub, TRUE);
return new_container(wsub, L"CURSES");
error:
return new_exception(TE_SYNTAX, L"Syntax error at 'curs-new-window', syntax: curs-new-window window y x lines columns", interp);
}
Toy_Type*
func_curses_clear(Toy_Interp *interp, Toy_Type *posargs, Hash *nameargs, int arglen) {
WINDOW *w;
Toy_Type *container;
int i;
int y, x;
char buff[1024];
if (hash_get_length(nameargs) > 0) goto error;
if (arglen != 1) goto error;
container = list_get_item(posargs);
if (GET_TAG(container) != CONTAINER) goto error;
if (wcscmp(cell_get_addr(container->u.container.desc), L"CURSES") != 0) {
return new_exception(TE_CURSES, L"Curses error at 'curs-clear', Bad descriptor.", interp);
}
w = container->u.container.data;
posargs = list_next(posargs);
werase(w);
getmaxyx(w, y, x);
for (i=0; i<x; i++) {
if (i>=1024) break;
buff[i] = ' ';
};
buff[(x<1024) ? x : 1023] = 0;
for (i=0; i<y; i++) {
wmove(w, i, 0);
wprintw(w, "%s", buff);
}
return const_T;
error:
return new_exception(TE_SYNTAX, L"Syntax error at 'curs-clear', syntax: curs-clear window", interp);
}
Toy_Type*
func_curses_wipe(Toy_Interp *interp, Toy_Type *posargs, Hash *nameargs, int arglen) {
WINDOW *w;
Toy_Type *container;
int i;
int y, x;
char buff[1024];
if (hash_get_length(nameargs) > 0) goto error;
if (arglen != 1) goto error;
container = list_get_item(posargs);
if (GET_TAG(container) != CONTAINER) goto error;
if (wcscmp(cell_get_addr(container->u.container.desc), L"CURSES") != 0) {
return new_exception(TE_CURSES, L"Curses error at 'curs-clear', Bad descriptor.", interp);
}
w = container->u.container.data;
posargs = list_next(posargs);
wclear(w);
getmaxyx(w, y, x);
for (i=0; i<x; i++) {
if (i>=1024) break;
buff[i] = ' ';
};
buff[(x<1024) ? x : 1023] = 0;
for (i=0; i<y; i++) {
wmove(w, i, 0);
wprintw(w, "%s", buff);
}
return const_T;
error:
return new_exception(TE_SYNTAX, L"Syntax error at 'curs-wipe', syntax: curs-wipe window", interp);
}
Toy_Type*
func_curses_print(Toy_Interp *interp, Toy_Type *posargs, Hash *nameargs, int arglen) {
WINDOW *w;
Toy_Type *container;
Toy_Type *arg;
int y, x;
Toy_Type *message, *enc;
int iencoder;
Cell *c;
encoder_error_info *enc_error_info;
if (hash_get_length(nameargs) > 0) goto error;
if ((arglen != 3) && (arglen != 5)) goto error;
container = list_get_item(posargs);
if (GET_TAG(container) != CONTAINER) goto error;
if (wcscmp(cell_get_addr(container->u.container.desc), L"CURSES") != 0) {
return new_exception(TE_CURSES, L"Curses error at 'curs-print', Bad descriptor.", interp);
}
w = container->u.container.data;
posargs = list_next(posargs);
message = list_get_item(posargs);
if (STRING != GET_TAG(message)) goto error;
posargs = list_next(posargs);
enc = list_get_item(posargs);
if (STRING != GET_TAG(enc)) goto error;
posargs = list_next(posargs);
if (arglen == 5) {
arg = list_get_item(posargs);
if (GET_TAG(arg) != INTEGER) goto error;
y = mpz_get_si(arg->u.biginteger);
posargs = list_next(posargs);
arg = list_get_item(posargs);
if (GET_TAG(arg) != INTEGER) goto error;
x = mpz_get_si(arg->u.biginteger);
wmove(w, y, x);
}
iencoder = get_encoding_index(cell_get_addr(enc->u.string));
if (-1 == iencoder) {
return new_exception(TE_BADENCODER, L"Bad encoder specified.", interp);
}
enc_error_info = GC_MALLOC(sizeof(encoder_error_info));
ALLOC_SAFE(enc_error_info);
memset(enc_error_info, 0, sizeof(encoder_error_info));
c = encode_unicode_to_raw(message->u.string, iencoder, enc_error_info);
if (NULL == c) {
return new_exception(TE_BADENCODEBYTE, enc_error_info->message, interp);
}
wprintw(w, "%s", to_char(cell_get_addr(c)));
return const_T;
error:
return new_exception(TE_SYNTAX, L"Syntax error at 'curs-print', syntax: curs-print window message encoding [ y x ]", interp);
}
Toy_Type*
func_curses_refresh(Toy_Interp *interp, Toy_Type *posargs, Hash *nameargs, int arglen) {
WINDOW *w;
Toy_Type *container;
if (hash_get_length(nameargs) > 0) goto error;
if (arglen != 1) goto error;
container = list_get_item(posargs);
if (GET_TAG(container) != CONTAINER) goto error;
if (wcscmp(cell_get_addr(container->u.container.desc), L"CURSES") != 0) {
return new_exception(TE_CURSES, L"Curses error at 'curs-refresh', Bad descriptor.", interp);
}
w = container->u.container.data;
posargs = list_next(posargs);
wrefresh(w);
return const_T;
error:
return new_exception(TE_SYNTAX, L"Syntax error at 'curs-refresh', syntax: curs-refresh window", interp);
}
Toy_Type*
func_curses_color(Toy_Interp *interp, Toy_Type *posargs, Hash *nameargs, int arglen) {
WINDOW *w;
Toy_Type *container, *arg;
int y, x, len, color, attr;
if (hash_get_length(nameargs) > 0) goto error;
if (arglen != 6) goto error;
container = list_get_item(posargs);
if (GET_TAG(container) != CONTAINER) goto error;
if (wcscmp(cell_get_addr(container->u.container.desc), L"CURSES") != 0) {
return new_exception(TE_CURSES, L"Curses error at 'curs-color', Bad descriptor.", interp);
}
w = container->u.container.data;
posargs = list_next(posargs);
arg = list_get_item(posargs);
if (GET_TAG(arg) != INTEGER) goto error;
y = mpz_get_si(arg->u.biginteger);
posargs = list_next(posargs);
arg = list_get_item(posargs);
if (GET_TAG(arg) != INTEGER) goto error;
x = mpz_get_si(arg->u.biginteger);
posargs = list_next(posargs);
arg = list_get_item(posargs);
if (GET_TAG(arg) != INTEGER) goto error;
len = mpz_get_si(arg->u.biginteger);
posargs = list_next(posargs);
arg = list_get_item(posargs);
if (GET_TAG(arg) != INTEGER) goto error;
color = mpz_get_si(arg->u.biginteger);
posargs = list_next(posargs);
arg = list_get_item(posargs);
if (GET_TAG(arg) != INTEGER) goto error;
attr = mpz_get_si(arg->u.biginteger);
posargs = list_next(posargs);
if ((x >= 0) && (y >= 0)) {
wmove(w, y, x);
}
wchgat(w, len, attr, color, NULL);
return const_T;
error:
return new_exception(TE_SYNTAX, L"Syntax error at 'curs-color', syntax: curs-color window y x len color attr", interp);
}
typedef struct _render_encode {
wchar_t *display_char;
int display_width;
int display_position;
} Render_Encode;
static wchar_t *control_character_font [35] = {
L"\u2400", // NUL 0x00
L"\u2401", // SOH 0x01
L"\u2402", // STX 0x02
L"\u2403", // ETX 0x03
L"\u2404", // EOT 0x04
L"\u2405", // ENQ 0x05
L"\u2406", // ACK 0x06
L"\u2407", // BEL 0x07
L"\u2408", // BS 0x08
L" ", // HT 0x09
L"\u240a", // LF 0x0a
L"\u240b", // VT 0x0b
L"\u240c", // FF 0x0c
L"\u240d", // CR 0x0d
L"\u240e", // SO 0x0e
L"\u240f", // SI 0x0f
L"\u2410", // DLE 0x10
L"\u2411", // DC1 0x11
L"\u2412", // DC2 0x12
L"\u2413", // DC3 0x13
L"\u2414", // DC4 0x14
L"\u2415", // NAK 0x15
L"\u2416", // SYN 0x16
L"\u2417", // ETB 0x17
L"\u2418", // CAN 0x18
L"\u2419", // EM 0x19
L"\u241a", // SUB 0x1a
L"\u241b", // ESC 0x1b
L"\u241c", // FS 0x1c
L"\u241d", // GS 0x1d
L"\u241e", // RS 0x1e
L"\u241f", // US 0x1f
L"\u2421", // DEL 0x7f
// define for unknown character substitute glyph "?" at control_character_font[33]
// #define UN_CHAR_WIDTH 2
// L"\ufffd", // Unknown character (width = -1)
// define for unknown character substitute glyph "_" at control_character_font[33]
// #define UN_CHAR_WIDTH 2
// L"\u2423", // Unknown character (width = -1)
// define for unknown character substitute glyph "X" at control_character_font[33]
#define UN_CHAR_WIDTH 1
L"\u2591", // Unknown character (width = -1)
// define for combinated character substitute glyph "_" at control_character_font[34]
// #define CB_CHAR_WIDTH 2
// L"\u2423", // Combining character (width = 0)
// define for combinated character substitute glyph "[]" at control_character_font[34]
#define CB_CHAR_WIDTH 1
L"\u25a1", // Combining character (width = 0)
// define combinated character show (comment out because buggy)
// #define SHOW_CB_FONT 1
// #define CB_CHAR_WIDTH 2
};
Toy_Type*
func_curses_render_line(Toy_Interp *interp, Toy_Type *posargs, Hash *nameargs, int arglen) {
WINDOW *w;
Toy_Type *container, *arg;
int window_y, view_x, offset_x, tab_width;
Toy_Type *disp_string, *encoding;
int win_size_y, win_size_x;
int iencoder;
int i, slen;
wchar_t *p, *cp;
Render_Encode *rendaring_data;
encoder_error_info *enc_error_info;
Cell *codep;
Cell *result;
if (hash_get_length(nameargs) > 0) goto error;
if (arglen != 7) goto error;
container = list_get_item(posargs);
if (GET_TAG(container) != CONTAINER) goto error;
if (wcscmp(cell_get_addr(container->u.container.desc), L"CURSES") != 0) {
return new_exception(TE_CURSES, L"Curses error at 'curs-render-line', Bad descriptor.", interp);
}
w = container->u.container.data;
posargs = list_next(posargs);
arg = list_get_item(posargs);
if (GET_TAG(arg) != INTEGER) goto error;
window_y = mpz_get_si(arg->u.biginteger);
posargs = list_next(posargs);
arg = list_get_item(posargs);
if (GET_TAG(arg) != INTEGER) goto error;
view_x = mpz_get_si(arg->u.biginteger);
posargs = list_next(posargs);
arg = list_get_item(posargs);
if (GET_TAG(arg) != INTEGER) goto error;
offset_x = mpz_get_si(arg->u.biginteger);
posargs = list_next(posargs);
arg = list_get_item(posargs);
if (GET_TAG(arg) != STRING) goto error;
disp_string = arg;
posargs = list_next(posargs);
arg = list_get_item(posargs);
if (GET_TAG(arg) != INTEGER) goto error;
tab_width = mpz_get_si(arg->u.biginteger);
if (tab_width <= 0) tab_width = 1;
posargs = list_next(posargs);
arg = list_get_item(posargs);
if (GET_TAG(arg) != STRING) goto error;
encoding = arg;
posargs = list_next(posargs);
getmaxyx(w, win_size_y, win_size_x);
iencoder = get_encoding_index(cell_get_addr(encoding->u.string));
if (-1 == iencoder) {
return new_exception(TE_BADENCODER, L"Bad encoder specified.", interp);
}
slen = cell_get_length(disp_string->u.string);
rendaring_data = GC_MALLOC(sizeof(Render_Encode) * (slen+1));
ALLOC_SAFE(rendaring_data);
enc_error_info = GC_MALLOC(sizeof(encoder_error_info));
ALLOC_SAFE(enc_error_info);
p = cell_get_addr(disp_string->u.string);
for (i=0; i<slen; i++) {
if ((p[i] < 0x20) || (p[i] == 0x7f)) {
/* control character encoding */
if (p[i] != 0x7f) {
cp = control_character_font[p[i]];
rendaring_data[i].display_width = 1;
} else {
cp = control_character_font[32];
rendaring_data[i].display_width = 1;
}
codep = new_cell(NULL);
cell_add_char(codep, cp[0]);
result = encode_unicode_to_raw(codep, iencoder, enc_error_info);
if (NULL == result) {
return new_exception(TE_BADENCODEBYTE, enc_error_info->message, interp);
}
rendaring_data[i].display_char = cell_get_addr(result);
} else if (p[i] < 0x7f) {
/* ASCII character encoding */
codep = new_cell(NULL);
cell_add_char(codep, p[i]);
rendaring_data[i].display_char = cell_get_addr(codep);
rendaring_data[i].display_width = 1;
} else {
int w;
w = (int)fcl_get_width((wchar_t)p[i]);
// if (w < 0) { // }
if (w <= 0) {
if (w < 0) {
cp = control_character_font[33];
rendaring_data[i].display_width = UN_CHAR_WIDTH; // if u+fffd font width is 2, set to 2
} else {
#ifdef SHOW_CB_FONT
cp = &p[i];
#else
cp = control_character_font[34];
#endif /* SHOW_CB_FONT */
rendaring_data[i].display_width = CB_CHAR_WIDTH;
}
codep = new_cell(NULL);
cell_add_char(codep, cp[0]);
result = encode_unicode_to_raw(codep, iencoder, enc_error_info);
if (NULL == result) {
return new_exception(TE_BADENCODEBYTE, enc_error_info->message, interp);
}
rendaring_data[i].display_char = cell_get_addr(result);
} else {
if (w == 0) {
rendaring_data[i].display_width = 2;
codep = new_cell(NULL);
cell_add_char(codep, L' ');
cell_add_char(codep, p[i]);
} else {
rendaring_data[i].display_width = w;
codep = new_cell(NULL);
cell_add_char(codep, p[i]);
}
result = encode_unicode_to_raw(codep, iencoder, enc_error_info);
if (NULL == result) {
return new_exception(TE_BADENCODEBYTE, enc_error_info->message, interp);
}
rendaring_data[i].display_char = cell_get_addr(result);
}
}
}
rendaring_data[0].display_position = 0;
for (i=1; i<slen; i++) {
if (p[i-1] == 0x09) {
rendaring_data[i].display_position =
((rendaring_data[i-1].display_position + tab_width) / tab_width) * tab_width;
} else {
rendaring_data[i].display_position =
rendaring_data[i-1].display_position + rendaring_data[i-1].display_width;
}
}
win_size_x -= offset_x;
for (i=0; i<slen; i++) {
if (((rendaring_data[i].display_position - view_x) >= 0) &&
((rendaring_data[i].display_position - view_x + rendaring_data[i].display_width) <= (win_size_x))) {
wmove(w, window_y, rendaring_data[i].display_position - view_x + offset_x);
wprintw(w, "%s", to_char(rendaring_data[i].display_char));
}
}
return const_T;
error:
return new_exception(TE_SYNTAX, L"Syntax error at 'curs-render-line', syntax: curs-render-line window window-y view-x offset-x string tab-width encoding", interp);
}
Toy_Type*
func_curses_box(Toy_Interp *interp, Toy_Type *posargs, Hash *nameargs, int arglen) {
WINDOW *w;
Toy_Type *container;
if (hash_get_length(nameargs) > 0) goto error;
if (arglen != 1) goto error;
container = list_get_item(posargs);
if (GET_TAG(container) != CONTAINER) goto error;
if (wcscmp(cell_get_addr(container->u.container.desc), L"CURSES") != 0) {
return new_exception(TE_CURSES, L"Curses error at 'curs-box', Bad descriptor.", interp);
}
w = container->u.container.data;
// box(w, ACS_VLINE, ACS_HLINE);
// wborder(w, '|', '|', '-', '-', '+', '+', '+', '+');
wborder(w, ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ');
return const_T;
error:
return new_exception(TE_SYNTAX, L"Syntax error at 'curs-box', syntax: curs-box window", interp);
}
Toy_Type*
func_curses_setcolor(Toy_Interp *interp, Toy_Type *posargs, Hash *nameargs, int arglen) {
WINDOW *w;
Toy_Type *container, *colorp;
int icolorp;
if (hash_get_length(nameargs) > 0) goto error;
if (arglen != 2) goto error;
container = list_get_item(posargs);
if (GET_TAG(container) != CONTAINER) goto error;
if (wcscmp(cell_get_addr(container->u.container.desc), L"CURSES") != 0) {
return new_exception(TE_CURSES, L"Curses error at 'curs-set-color', Bad descriptor.", interp);
}
w = container->u.container.data;
posargs = list_next(posargs);
colorp = list_get_item(posargs);
if (GET_TAG(colorp) != INTEGER) goto error;
icolorp = mpz_get_si(colorp->u.biginteger);
wcolor_set(w, icolorp, NULL);
return const_T;
error:
return new_exception(TE_SYNTAX, L"Syntax error at 'curs-set-color', syntax: curs-set-color window color-pair", interp);
}
Toy_Type*
func_curses_setbgcolor(Toy_Interp *interp, Toy_Type *posargs, Hash *nameargs, int arglen) {
WINDOW *w;
Toy_Type *container, *colorp;
int icolorp;
int y, x, i;
char buff[1024];
if (hash_get_length(nameargs) > 0) goto error;
if (arglen != 2) goto error;
container = list_get_item(posargs);
if (GET_TAG(container) != CONTAINER) goto error;
if (wcscmp(cell_get_addr(container->u.container.desc), L"CURSES") != 0) {
return new_exception(TE_CURSES, L"Curses error at 'curs-set-bgcolor', Bad descriptor.", interp);
}
w = container->u.container.data;
posargs = list_next(posargs);
colorp = list_get_item(posargs);
if (GET_TAG(colorp) != INTEGER) goto error;
icolorp = mpz_get_si(colorp->u.biginteger);
// bkgd(icolorp);
wcolor_set(w, icolorp, NULL);
getmaxyx(w, y, x);
for (i=0; i<x; i++) {
if (i>=1024) break;
buff[i] = ' ';
};
buff[(x<1024) ? x : 1023] = 0;
for (i=0; i<y; i++) {
wmove(w, i, 0);
wprintw(w, "%s", buff);
}
return const_T;
error:
return new_exception(TE_SYNTAX, L"Syntax error at 'curs-set-bgcolor', syntax: curs-bgcolor window color-number", interp);
}
Toy_Type*
func_curses_setoverlay(Toy_Interp *interp, Toy_Type *posargs, Hash *nameargs, int arglen) {
WINDOW *ow, *dw;
Toy_Type *ocontainer, *dcontainer;
if (hash_get_length(nameargs) > 0) goto error;
if (arglen != 2) goto error;
ocontainer = list_get_item(posargs);
if (GET_TAG(ocontainer) != CONTAINER) goto error;
if (wcscmp(cell_get_addr(ocontainer->u.container.desc), L"CURSES") != 0) {
return new_exception(TE_CURSES, L"Curses error at 'curs-set-overlay', Bad descriptor.", interp);
}
ow = ocontainer->u.container.data;
posargs = list_next(posargs);
dcontainer = list_get_item(posargs);
if (GET_TAG(dcontainer) != CONTAINER) goto error;
if (wcscmp(cell_get_addr(dcontainer->u.container.desc), L"CURSES") != 0) {
return new_exception(TE_CURSES, L"Curses error at 'curs-set-overlay', Bad descriptor.", interp);
}
dw = dcontainer->u.container.data;
posargs = list_next(posargs);
overlay(ow, dw);
return const_T;
error:
return new_exception(TE_SYNTAX, L"Syntax error at 'curs-set-overlay', syntax: curs-set-overlay over-window dest-window", interp);
}
Toy_Type*
func_curses_destroywindow(Toy_Interp *interp, Toy_Type *posargs, Hash *nameargs, int arglen) {
WINDOW *w;
Toy_Type *container;
if (hash_get_length(nameargs) > 0) goto error;
if (arglen != 1) goto error;
container = list_get_item(posargs);
if (GET_TAG(container) != CONTAINER) goto error;
if (wcscmp(cell_get_addr(container->u.container.desc), L"CURSES") != 0) {
return new_exception(TE_CURSES, L"Curses error at 'curs-destroy-window', Bad descriptor.", interp);
}
w = container->u.container.data;
posargs = list_next(posargs);
delwin(w);
container->u.container.data = NULL;
container->u.container.desc = new_cell(L"CURSES-deleted");
return const_T;
error:
return new_exception(TE_SYNTAX, L"Syntax error at 'curs-destroy-window', syntax: curs-destroy-window window", interp);
}
Toy_Type*
func_curses_move(Toy_Interp *interp, Toy_Type *posargs, Hash *nameargs, int arglen) {
WINDOW *w;
Toy_Type *container;
Toy_Type *arg;
int y, x;
if (hash_get_length(nameargs) > 0) goto error;
if (arglen != 3) goto error;
container = list_get_item(posargs);
if (GET_TAG(container) != CONTAINER) goto error;
if (wcscmp(cell_get_addr(container->u.container.desc), L"CURSES") != 0) {
return new_exception(TE_CURSES, L"Curses error at 'curs-move', Bad descriptor.", interp);
}
w = container->u.container.data;
posargs = list_next(posargs);
arg = list_get_item(posargs);
if (GET_TAG(arg) != INTEGER) goto error;
y = mpz_get_si(arg->u.biginteger);
posargs = list_next(posargs);
arg = list_get_item(posargs);
if (GET_TAG(arg) != INTEGER) goto error;
x = mpz_get_si(arg->u.biginteger);
posargs = list_next(posargs);
wmove(w, y, x);
return const_T;
error:
return new_exception(TE_SYNTAX, L"Syntax error at 'curs-move', syntax: curs-move window y x", interp);
}
Toy_Type*
func_curses_get_cursor(Toy_Interp *interp, Toy_Type *posargs, Hash *nameargs, int arglen) {
WINDOW *w;
Toy_Type *container;
int y, x;
Toy_Type *result;
if (hash_get_length(nameargs) > 0) goto error;
if (arglen != 1) goto error;
container = list_get_item(posargs);
if (GET_TAG(container) != CONTAINER) goto error;
if (wcscmp(cell_get_addr(container->u.container.desc), L"CURSES") != 0) {
return new_exception(TE_CURSES, L"Curses error at 'curs-move', Bad descriptor.", interp);
}
w = container->u.container.data;
getyx(w, y, x);