[qemu.git] / ui / curses.c

/*
 * QEMU curses/ncurses display driver
 * 
 * Copyright (c) 2005 Andrzej Zaborowski  <balrog@zabor.org>
 * 
 * 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, 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 AUTHORS OR 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.
 */
#include <curses.h>

#ifndef _WIN32
#include <sys/ioctl.h>
#include <termios.h>
#endif

#include "qemu-common.h"
#include "ui/console.h"
#include "sysemu/sysemu.h"

#define FONT_HEIGHT 16
#define FONT_WIDTH 8

static DisplayChangeListener *dcl;
static console_ch_t screen[160 * 100];
static WINDOW *screenpad = NULL;
static int width, height, gwidth, gheight, invalidate;
static int px, py, sminx, sminy, smaxx, smaxy;

static void curses_update(DisplayChangeListener *dcl,
                          int x, int y, int w, int h)
{
    chtype *line;

    line = ((chtype *) screen) + y * width;
    for (h += y; y < h; y ++, line += width)
        mvwaddchnstr(screenpad, y, 0, line, width);

    pnoutrefresh(screenpad, py, px, sminy, sminx, smaxy - 1, smaxx - 1);
    refresh();
}

static void curses_calc_pad(void)
{
    if (qemu_console_is_fixedsize(NULL)) {
        width = gwidth;
        height = gheight;
    } else {
        width = COLS;
        height = LINES;
    }

    if (screenpad)
        delwin(screenpad);

    clear();
    refresh();

    screenpad = newpad(height, width);

    if (width > COLS) {
        px = (width - COLS) / 2;
        sminx = 0;
        smaxx = COLS;
    } else {
        px = 0;
        sminx = (COLS - width) / 2;
        smaxx = sminx + width;
    }

    if (height > LINES) {
        py = (height - LINES) / 2;
        sminy = 0;
        smaxy = LINES;
    } else {
        py = 0;
        sminy = (LINES - height) / 2;
        smaxy = sminy + height;
    }
}

static void curses_resize(DisplayChangeListener *dcl,
                          int width, int height)
{
    if (width == gwidth && height == gheight) {
        return;
    }

    gwidth = width;
    gheight = height;

    curses_calc_pad();
}

#if !defined(_WIN32) && defined(SIGWINCH) && defined(KEY_RESIZE)
static volatile sig_atomic_t got_sigwinch;
static void curses_winch_check(void)
{
    struct winsize {
        unsigned short ws_row;
        unsigned short ws_col;
        unsigned short ws_xpixel;   /* unused */
        unsigned short ws_ypixel;   /* unused */
    } ws;

    if (!got_sigwinch) {
        return;
    }
    got_sigwinch = false;

    if (ioctl(1, TIOCGWINSZ, &ws) == -1) {
        return;
    }

    resize_term(ws.ws_row, ws.ws_col);
    invalidate = 1;
}

static void curses_winch_handler(int signum)
{
    got_sigwinch = true;
}

static void curses_winch_init(void)
{
    struct sigaction old, winch = {
        .sa_handler  = curses_winch_handler,
    };
    sigaction(SIGWINCH, &winch, &old);
}
#else
static void curses_winch_check(void) {}
static void curses_winch_init(void) {}
#endif

static void curses_cursor_position(DisplayChangeListener *dcl,
                                   int x, int y)
{
    if (x >= 0) {
        x = sminx + x - px;
        y = sminy + y - py;

        if (x >= 0 && y >= 0 && x < COLS && y < LINES) {
            move(y, x);
            curs_set(1);
            /* it seems that curs_set(1) must always be called before
             * curs_set(2) for the latter to have effect */
            if (!qemu_console_is_graphic(NULL)) {
                curs_set(2);
            }
            return;
        }
    }

    curs_set(0);
}

/* generic keyboard conversion */

#include "curses_keys.h"

static kbd_layout_t *kbd_layout = NULL;

static void curses_refresh(DisplayChangeListener *dcl)
{
    int chr, nextchr, keysym, keycode, keycode_alt;

    curses_winch_check();

    if (invalidate) {
        clear();
        refresh();
        curses_calc_pad();
        graphic_hw_invalidate(NULL);
        invalidate = 0;
    }

    graphic_hw_text_update(NULL, screen);

    nextchr = ERR;
    while (1) {
        /* while there are any pending key strokes to process */
        if (nextchr == ERR)
            chr = getch();
        else {
            chr = nextchr;
            nextchr = ERR;
        }

        if (chr == ERR)
            break;

#ifdef KEY_RESIZE
        /* this shouldn't occur when we use a custom SIGWINCH handler */
        if (chr == KEY_RESIZE) {
            clear();
            refresh();
            curses_calc_pad();
            curses_update(dcl, 0, 0, width, height);
            continue;
        }
#endif

        keycode = curses2keycode[chr];
        keycode_alt = 0;

        /* alt key */
        if (keycode == 1) {
            nextchr = getch();

            if (nextchr != ERR) {
                chr = nextchr;
                keycode_alt = ALT;
                keycode = curses2keycode[nextchr];
                nextchr = ERR;

                if (keycode != -1) {
                    keycode |= ALT;

                    /* process keys reserved for qemu */
                    if (keycode >= QEMU_KEY_CONSOLE0 &&
                            keycode < QEMU_KEY_CONSOLE0 + 9) {
                        erase();
                        wnoutrefresh(stdscr);
                        console_select(keycode - QEMU_KEY_CONSOLE0);

                        invalidate = 1;
                        continue;
                    }
                }
            }
        }

        if (kbd_layout) {
            keysym = -1;
            if (chr < CURSES_KEYS)
                keysym = curses2keysym[chr];

            if (keysym == -1) {
                if (chr < ' ') {
                    keysym = chr + '@';
                    if (keysym >= 'A' && keysym <= 'Z')
                        keysym += 'a' - 'A';
                    keysym |= KEYSYM_CNTRL;
                } else
                    keysym = chr;
            }

            keycode = keysym2scancode(kbd_layout, keysym & KEYSYM_MASK);
            if (keycode == 0)
                continue;

            keycode |= (keysym & ~KEYSYM_MASK) >> 16;
            keycode |= keycode_alt;
        }

        if (keycode == -1)
            continue;

        if (qemu_console_is_graphic(NULL)) {
            /* since terminals don't know about key press and release
             * events, we need to emit both for each key received */
            if (keycode & SHIFT)
                kbd_put_keycode(SHIFT_CODE);
            if (keycode & CNTRL)
                kbd_put_keycode(CNTRL_CODE);
            if (keycode & ALT)
                kbd_put_keycode(ALT_CODE);
            if (keycode & ALTGR) {
                kbd_put_keycode(SCANCODE_EMUL0);
                kbd_put_keycode(ALT_CODE);
            }
            if (keycode & GREY)
                kbd_put_keycode(GREY_CODE);
            kbd_put_keycode(keycode & KEY_MASK);
            if (keycode & GREY)
                kbd_put_keycode(GREY_CODE);
            kbd_put_keycode((keycode & KEY_MASK) | KEY_RELEASE);
            if (keycode & ALTGR) {
                kbd_put_keycode(SCANCODE_EMUL0);
                kbd_put_keycode(ALT_CODE | KEY_RELEASE);
            }
            if (keycode & ALT)
                kbd_put_keycode(ALT_CODE | KEY_RELEASE);
            if (keycode & CNTRL)
                kbd_put_keycode(CNTRL_CODE | KEY_RELEASE);
            if (keycode & SHIFT)
                kbd_put_keycode(SHIFT_CODE | KEY_RELEASE);
        } else {
            keysym = curses2qemu[chr];
            if (keysym == -1)
                keysym = chr;

            kbd_put_keysym(keysym);
        }
    }
}

static void curses_atexit(void)
{
    endwin();
}

static void curses_setup(void)
{
    int i, colour_default[8] = {
        COLOR_BLACK, COLOR_BLUE, COLOR_GREEN, COLOR_CYAN,
        COLOR_RED, COLOR_MAGENTA, COLOR_YELLOW, COLOR_WHITE,
    };

    /* input as raw as possible, let everything be interpreted
     * by the guest system */
    initscr(); noecho(); intrflush(stdscr, FALSE);
    nodelay(stdscr, TRUE); nonl(); keypad(stdscr, TRUE);
    start_color(); raw(); scrollok(stdscr, FALSE);

    for (i = 0; i < 64; i ++)
        init_pair(i, colour_default[i & 7], colour_default[i >> 3]);
}

static void curses_keyboard_setup(void)
{
#if defined(__APPLE__)
    /* always use generic keymaps */
    if (!keyboard_layout)
        keyboard_layout = "en-us";
#endif
    if(keyboard_layout) {
        kbd_layout = init_keyboard_layout(name2keysym, keyboard_layout);
        if (!kbd_layout)
            exit(1);
    }
}

static const DisplayChangeListenerOps dcl_ops = {
    .dpy_name        = "curses",
    .dpy_text_update = curses_update,
    .dpy_text_resize = curses_resize,
    .dpy_refresh     = curses_refresh,
    .dpy_text_cursor = curses_cursor_position,
};

void curses_display_init(DisplayState *ds, int full_screen)
{
#ifndef _WIN32
    if (!isatty(1)) {
        fprintf(stderr, "We need a terminal output\n");
        exit(1);
    }
#endif

    curses_setup();
    curses_keyboard_setup();
    atexit(curses_atexit);

    curses_winch_init();

    dcl = (DisplayChangeListener *) g_malloc0(sizeof(DisplayChangeListener));
    dcl->ops = &dcl_ops;
    register_displaychangelistener(dcl);

    invalidate = 1;
}
Commit	Line	Data
4d3b6f6e AZ	1	/*
	2	* QEMU curses/ncurses display driver
	3	*
	4	* Copyright (c) 2005 Andrzej Zaborowski <balrog@zabor.org>
	5	*
	6	* Permission is hereby granted, free of charge, to any person obtaining a copy
	7	* of this software and associated documentation files (the "Software"), to deal
	8	* in the Software without restriction, including without limitation the rights
	9	* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
	10	* copies of the Software, and to permit persons to whom the Software is
	11	* furnished to do so, subject to the following conditions:
	12	*
	13	* The above copyright notice and this permission notice shall be included in
	14	* all copies or substantial portions of the Software.
	15	*
	16	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
	17	* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
	18	* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
	19	* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
	20	* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
	21	* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
	22	* THE SOFTWARE.
	23	*/
4d3b6f6e AZ	24	#include <curses.h>
	25
	26	#ifndef _WIN32
4d3b6f6e AZ	27	#include <sys/ioctl.h>
	28	#include <termios.h>
	29	#endif
	30
511d2b14	31	#include "qemu-common.h"
28ecbaee	32	#include "ui/console.h"
9c17d615	33	#include "sysemu/sysemu.h"
511d2b14	34
4d3b6f6e AZ	35	#define FONT_HEIGHT 16
	36	#define FONT_WIDTH 8
	37
7c20b4a3	38	static DisplayChangeListener *dcl;
c227f099	39	static console_ch_t screen[160 * 100];
4d3b6f6e AZ	40	static WINDOW *screenpad = NULL;
	41	static int width, height, gwidth, gheight, invalidate;
	42	static int px, py, sminx, sminy, smaxx, smaxy;
	43
7c20b4a3	44	static void curses_update(DisplayChangeListener *dcl,
7c20b4a3	45	int x, int y, int w, int h)
4d3b6f6e AZ	46	{
	47	chtype *line;
	48
	49	line = ((chtype ) screen) + y width;
	50	for (h += y; y < h; y ++, line += width)
	51	mvwaddchnstr(screenpad, y, 0, line, width);
	52
	53	pnoutrefresh(screenpad, py, px, sminy, sminx, smaxy - 1, smaxx - 1);
	54	refresh();
	55	}
	56
	57	static void curses_calc_pad(void)
	58	{
81c0d5a6	59	if (qemu_console_is_fixedsize(NULL)) {
4d3b6f6e AZ	60	width = gwidth;
	61	height = gheight;
	62	} else {
	63	width = COLS;
	64	height = LINES;
	65	}
	66
	67	if (screenpad)
	68	delwin(screenpad);
	69
	70	clear();
	71	refresh();
	72
	73	screenpad = newpad(height, width);
	74
	75	if (width > COLS) {
	76	px = (width - COLS) / 2;
	77	sminx = 0;
	78	smaxx = COLS;
	79	} else {
	80	px = 0;
	81	sminx = (COLS - width) / 2;
	82	smaxx = sminx + width;
	83	}
	84
	85	if (height > LINES) {
	86	py = (height - LINES) / 2;
	87	sminy = 0;
	88	smaxy = LINES;
	89	} else {
	90	py = 0;
	91	sminy = (LINES - height) / 2;
	92	smaxy = sminy + height;
	93	}
	94	}
	95
7c20b4a3	96	static void curses_resize(DisplayChangeListener *dcl,
7c20b4a3	97	int width, int height)
4d3b6f6e	98	{
a93a4a22	99	if (width == gwidth && height == gheight) {
4d3b6f6e	100	return;
a93a4a22	101	}
4d3b6f6e	102
a93a4a22 GH	103	gwidth = width;
a93a4a22 GH	104	gheight = height;
4d3b6f6e AZ	105
	106	curses_calc_pad();
	107	}
	108
032ac6f8 GH	109	#if !defined(_WIN32) && defined(SIGWINCH) && defined(KEY_RESIZE)
	110	static volatile sig_atomic_t got_sigwinch;
	111	static void curses_winch_check(void)
4d3b6f6e AZ	112	{
	113	struct winsize {
	114	unsigned short ws_row;
	115	unsigned short ws_col;
	116	unsigned short ws_xpixel; /* unused */
	117	unsigned short ws_ypixel; /* unused */
	118	} ws;
	119
032ac6f8 GH	120	if (!got_sigwinch) {
	121	return;
	122	}
	123	got_sigwinch = false;
	124
	125	if (ioctl(1, TIOCGWINSZ, &ws) == -1) {
4d3b6f6e	126	return;
032ac6f8	127	}
4d3b6f6e AZ	128
4d3b6f6e AZ	129	resize_term(ws.ws_row, ws.ws_col);
4d3b6f6e	130	invalidate = 1;
032ac6f8	131	}
4d3b6f6e	132
032ac6f8 GH	133	static void curses_winch_handler(int signum)
	134	{
	135	got_sigwinch = true;
4d3b6f6e	136	}
032ac6f8 GH	137
	138	static void curses_winch_init(void)
	139	{
	140	struct sigaction old, winch = {
	141	.sa_handler = curses_winch_handler,
	142	};
	143	sigaction(SIGWINCH, &winch, &old);
	144	}
	145	#else
	146	static void curses_winch_check(void) {}
	147	static void curses_winch_init(void) {}
4d3b6f6e AZ	148	#endif
4d3b6f6e AZ	149
7c20b4a3	150	static void curses_cursor_position(DisplayChangeListener *dcl,
7c20b4a3	151	int x, int y)
4d3b6f6e AZ	152	{
	153	if (x >= 0) {
	154	x = sminx + x - px;
	155	y = sminy + y - py;
	156
	157	if (x >= 0 && y >= 0 && x < COLS && y < LINES) {
	158	move(y, x);
	159	curs_set(1);
	160	/* it seems that curs_set(1) must always be called before
	161	* curs_set(2) for the latter to have effect */
81c0d5a6	162	if (!qemu_console_is_graphic(NULL)) {
4d3b6f6e	163	curs_set(2);
81c0d5a6	164	}
4d3b6f6e AZ	165	return;
	166	}
	167	}
	168
	169	curs_set(0);
	170	}
	171
	172	/* generic keyboard conversion */
	173
	174	#include "curses_keys.h"
4d3b6f6e	175
c227f099	176	static kbd_layout_t *kbd_layout = NULL;
4d3b6f6e	177
bc2ed970	178	static void curses_refresh(DisplayChangeListener *dcl)
4d3b6f6e	179	{
44bb61c8	180	int chr, nextchr, keysym, keycode, keycode_alt;
4d3b6f6e	181
032ac6f8 GH	182	curses_winch_check();
032ac6f8 GH	183
4d3b6f6e AZ	184	if (invalidate) {
	185	clear();
	186	refresh();
	187	curses_calc_pad();
1dbfa005	188	graphic_hw_invalidate(NULL);
4d3b6f6e AZ	189	invalidate = 0;
	190	}
	191
1dbfa005	192	graphic_hw_text_update(NULL, screen);
4d3b6f6e AZ	193
	194	nextchr = ERR;
	195	while (1) {
	196	/* while there are any pending key strokes to process */
	197	if (nextchr == ERR)
	198	chr = getch();
	199	else {
	200	chr = nextchr;
	201	nextchr = ERR;
	202	}
	203
	204	if (chr == ERR)
	205	break;
	206
b1314cf9	207	#ifdef KEY_RESIZE
4d3b6f6e AZ	208	/* this shouldn't occur when we use a custom SIGWINCH handler */
	209	if (chr == KEY_RESIZE) {
	210	clear();
	211	refresh();
	212	curses_calc_pad();
bc2ed970	213	curses_update(dcl, 0, 0, width, height);
4d3b6f6e AZ	214	continue;
4d3b6f6e AZ	215	}
b1314cf9	216	#endif
4d3b6f6e AZ	217
4d3b6f6e AZ	218	keycode = curses2keycode[chr];
44bb61c8	219	keycode_alt = 0;
4d3b6f6e AZ	220
	221	/* alt key */
	222	if (keycode == 1) {
	223	nextchr = getch();
	224
	225	if (nextchr != ERR) {
44bb61c8 ST	226	chr = nextchr;
44bb61c8 ST	227	keycode_alt = ALT;
4d3b6f6e AZ	228	keycode = curses2keycode[nextchr];
4d3b6f6e AZ	229	nextchr = ERR;
4d3b6f6e	230
44bb61c8 ST	231	if (keycode != -1) {
44bb61c8 ST	232	keycode \|= ALT;
4d3b6f6e	233
44bb61c8 ST	234	/* process keys reserved for qemu */
	235	if (keycode >= QEMU_KEY_CONSOLE0 &&
	236	keycode < QEMU_KEY_CONSOLE0 + 9) {
	237	erase();
	238	wnoutrefresh(stdscr);
	239	console_select(keycode - QEMU_KEY_CONSOLE0);
4d3b6f6e	240
44bb61c8 ST	241	invalidate = 1;
	242	continue;
	243	}
4d3b6f6e AZ	244	}
	245	}
	246	}
	247
44bb61c8 ST	248	if (kbd_layout) {
	249	keysym = -1;
	250	if (chr < CURSES_KEYS)
	251	keysym = curses2keysym[chr];
	252
	253	if (keysym == -1) {
d03703c8 ST	254	if (chr < ' ') {
	255	keysym = chr + '@';
	256	if (keysym >= 'A' && keysym <= 'Z')
	257	keysym += 'a' - 'A';
	258	keysym \|= KEYSYM_CNTRL;
	259	} else
44bb61c8 ST	260	keysym = chr;
44bb61c8 ST	261	}
4d3b6f6e	262
44bb61c8 ST	263	keycode = keysym2scancode(kbd_layout, keysym & KEYSYM_MASK);
	264	if (keycode == 0)
	265	continue;
	266
	267	keycode \|= (keysym & ~KEYSYM_MASK) >> 16;
	268	keycode \|= keycode_alt;
4d3b6f6e AZ	269	}
4d3b6f6e AZ	270
44bb61c8 ST	271	if (keycode == -1)
	272	continue;
	273
81c0d5a6	274	if (qemu_console_is_graphic(NULL)) {
4d3b6f6e AZ	275	/* since terminals don't know about key press and release
	276	* events, we need to emit both for each key received */
	277	if (keycode & SHIFT)
	278	kbd_put_keycode(SHIFT_CODE);
	279	if (keycode & CNTRL)
	280	kbd_put_keycode(CNTRL_CODE);
	281	if (keycode & ALT)
	282	kbd_put_keycode(ALT_CODE);
44bb61c8 ST	283	if (keycode & ALTGR) {
	284	kbd_put_keycode(SCANCODE_EMUL0);
	285	kbd_put_keycode(ALT_CODE);
	286	}
4d3b6f6e AZ	287	if (keycode & GREY)
	288	kbd_put_keycode(GREY_CODE);
	289	kbd_put_keycode(keycode & KEY_MASK);
	290	if (keycode & GREY)
	291	kbd_put_keycode(GREY_CODE);
	292	kbd_put_keycode((keycode & KEY_MASK) \| KEY_RELEASE);
44bb61c8 ST	293	if (keycode & ALTGR) {
	294	kbd_put_keycode(SCANCODE_EMUL0);
	295	kbd_put_keycode(ALT_CODE \| KEY_RELEASE);
	296	}
4d3b6f6e AZ	297	if (keycode & ALT)
	298	kbd_put_keycode(ALT_CODE \| KEY_RELEASE);
	299	if (keycode & CNTRL)
	300	kbd_put_keycode(CNTRL_CODE \| KEY_RELEASE);
	301	if (keycode & SHIFT)
	302	kbd_put_keycode(SHIFT_CODE \| KEY_RELEASE);
	303	} else {
44bb61c8	304	keysym = curses2qemu[chr];
4d3b6f6e AZ	305	if (keysym == -1)
	306	keysym = chr;
	307
	308	kbd_put_keysym(keysym);
	309	}
	310	}
	311	}
	312
aaf12c25	313	static void curses_atexit(void)
4d3b6f6e AZ	314	{
	315	endwin();
	316	}
	317
4d3b6f6e AZ	318	static void curses_setup(void)
	319	{
	320	int i, colour_default[8] = {
	321	COLOR_BLACK, COLOR_BLUE, COLOR_GREEN, COLOR_CYAN,
	322	COLOR_RED, COLOR_MAGENTA, COLOR_YELLOW, COLOR_WHITE,
	323	};
	324
	325	/* input as raw as possible, let everything be interpreted
	326	* by the guest system */
	327	initscr(); noecho(); intrflush(stdscr, FALSE);
	328	nodelay(stdscr, TRUE); nonl(); keypad(stdscr, TRUE);
	329	start_color(); raw(); scrollok(stdscr, FALSE);
	330
	331	for (i = 0; i < 64; i ++)
	332	init_pair(i, colour_default[i & 7], colour_default[i >> 3]);
	333	}
	334
	335	static void curses_keyboard_setup(void)
	336	{
4d3b6f6e AZ	337	#if defined(__APPLE__)
	338	/* always use generic keymaps */
	339	if (!keyboard_layout)
	340	keyboard_layout = "en-us";
	341	#endif
	342	if(keyboard_layout) {
0483755a	343	kbd_layout = init_keyboard_layout(name2keysym, keyboard_layout);
4d3b6f6e AZ	344	if (!kbd_layout)
	345	exit(1);
	346	}
4d3b6f6e AZ	347	}
4d3b6f6e AZ	348
7c20b4a3 GH	349	static const DisplayChangeListenerOps dcl_ops = {
	350	.dpy_name = "curses",
	351	.dpy_text_update = curses_update,
	352	.dpy_text_resize = curses_resize,
	353	.dpy_refresh = curses_refresh,
	354	.dpy_text_cursor = curses_cursor_position,
	355	};
	356
4d3b6f6e AZ	357	void curses_display_init(DisplayState *ds, int full_screen)
	358	{
	359	#ifndef _WIN32
	360	if (!isatty(1)) {
	361	fprintf(stderr, "We need a terminal output\n");
	362	exit(1);
	363	}
	364	#endif
	365
	366	curses_setup();
	367	curses_keyboard_setup();
28695489	368	atexit(curses_atexit);
4d3b6f6e	369
032ac6f8	370	curses_winch_init();
4d3b6f6e	371
7267c094	372	dcl = (DisplayChangeListener *) g_malloc0(sizeof(DisplayChangeListener));
7c20b4a3	373	dcl->ops = &dcl_ops;
5209089f	374	register_displaychangelistener(dcl);
4d3b6f6e AZ	375
4d3b6f6e AZ	376	invalidate = 1;
4d3b6f6e	377	}