[mirror_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 "ui/input.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) {
                qemu_input_event_send_key_number(NULL, SHIFT_CODE, true);
            }
            if (keycode & CNTRL) {
                qemu_input_event_send_key_number(NULL, CNTRL_CODE, true);
            }
            if (keycode & ALT) {
                qemu_input_event_send_key_number(NULL, ALT_CODE, true);
            }
            if (keycode & ALTGR) {
                qemu_input_event_send_key_number(NULL, GREY | ALT_CODE, true);
            }

            qemu_input_event_send_key_number(NULL, keycode, true);
            qemu_input_event_send_key_number(NULL, keycode, false);

            if (keycode & ALTGR) {
                qemu_input_event_send_key_number(NULL, GREY | ALT_CODE, false);
            }
            if (keycode & ALT) {
                qemu_input_event_send_key_number(NULL, ALT_CODE, false);
            }
            if (keycode & CNTRL) {
                qemu_input_event_send_key_number(NULL, CNTRL_CODE, false);
            }
            if (keycode & SHIFT) {
                qemu_input_event_send_key_number(NULL, SHIFT_CODE, false);
            }
        } 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"
cd100328	33	#include "ui/input.h"
9c17d615	34	#include "sysemu/sysemu.h"
511d2b14	35
4d3b6f6e AZ	36	#define FONT_HEIGHT 16
	37	#define FONT_WIDTH 8
	38
7c20b4a3	39	static DisplayChangeListener *dcl;
c227f099	40	static console_ch_t screen[160 * 100];
4d3b6f6e AZ	41	static WINDOW *screenpad = NULL;
	42	static int width, height, gwidth, gheight, invalidate;
	43	static int px, py, sminx, sminy, smaxx, smaxy;
	44
7c20b4a3	45	static void curses_update(DisplayChangeListener *dcl,
7c20b4a3	46	int x, int y, int w, int h)
4d3b6f6e AZ	47	{
	48	chtype *line;
	49
	50	line = ((chtype ) screen) + y width;
	51	for (h += y; y < h; y ++, line += width)
	52	mvwaddchnstr(screenpad, y, 0, line, width);
	53
	54	pnoutrefresh(screenpad, py, px, sminy, sminx, smaxy - 1, smaxx - 1);
	55	refresh();
	56	}
	57
	58	static void curses_calc_pad(void)
	59	{
81c0d5a6	60	if (qemu_console_is_fixedsize(NULL)) {
4d3b6f6e AZ	61	width = gwidth;
	62	height = gheight;
	63	} else {
	64	width = COLS;
	65	height = LINES;
	66	}
	67
	68	if (screenpad)
	69	delwin(screenpad);
	70
	71	clear();
	72	refresh();
	73
	74	screenpad = newpad(height, width);
	75
	76	if (width > COLS) {
	77	px = (width - COLS) / 2;
	78	sminx = 0;
	79	smaxx = COLS;
	80	} else {
	81	px = 0;
	82	sminx = (COLS - width) / 2;
	83	smaxx = sminx + width;
	84	}
	85
	86	if (height > LINES) {
	87	py = (height - LINES) / 2;
	88	sminy = 0;
	89	smaxy = LINES;
	90	} else {
	91	py = 0;
	92	sminy = (LINES - height) / 2;
	93	smaxy = sminy + height;
	94	}
	95	}
	96
7c20b4a3	97	static void curses_resize(DisplayChangeListener *dcl,
7c20b4a3	98	int width, int height)
4d3b6f6e	99	{
a93a4a22	100	if (width == gwidth && height == gheight) {
4d3b6f6e	101	return;
a93a4a22	102	}
4d3b6f6e	103
a93a4a22 GH	104	gwidth = width;
a93a4a22 GH	105	gheight = height;
4d3b6f6e AZ	106
	107	curses_calc_pad();
	108	}
	109
032ac6f8 GH	110	#if !defined(_WIN32) && defined(SIGWINCH) && defined(KEY_RESIZE)
	111	static volatile sig_atomic_t got_sigwinch;
	112	static void curses_winch_check(void)
4d3b6f6e AZ	113	{
	114	struct winsize {
	115	unsigned short ws_row;
	116	unsigned short ws_col;
	117	unsigned short ws_xpixel; /* unused */
	118	unsigned short ws_ypixel; /* unused */
	119	} ws;
	120
032ac6f8 GH	121	if (!got_sigwinch) {
	122	return;
	123	}
	124	got_sigwinch = false;
	125
	126	if (ioctl(1, TIOCGWINSZ, &ws) == -1) {
4d3b6f6e	127	return;
032ac6f8	128	}
4d3b6f6e AZ	129
4d3b6f6e AZ	130	resize_term(ws.ws_row, ws.ws_col);
4d3b6f6e	131	invalidate = 1;
032ac6f8	132	}
4d3b6f6e	133
032ac6f8 GH	134	static void curses_winch_handler(int signum)
	135	{
	136	got_sigwinch = true;
4d3b6f6e	137	}
032ac6f8 GH	138
	139	static void curses_winch_init(void)
	140	{
	141	struct sigaction old, winch = {
	142	.sa_handler = curses_winch_handler,
	143	};
	144	sigaction(SIGWINCH, &winch, &old);
	145	}
	146	#else
	147	static void curses_winch_check(void) {}
	148	static void curses_winch_init(void) {}
4d3b6f6e AZ	149	#endif
4d3b6f6e AZ	150
7c20b4a3	151	static void curses_cursor_position(DisplayChangeListener *dcl,
7c20b4a3	152	int x, int y)
4d3b6f6e AZ	153	{
	154	if (x >= 0) {
	155	x = sminx + x - px;
	156	y = sminy + y - py;
	157
	158	if (x >= 0 && y >= 0 && x < COLS && y < LINES) {
	159	move(y, x);
	160	curs_set(1);
	161	/* it seems that curs_set(1) must always be called before
	162	* curs_set(2) for the latter to have effect */
81c0d5a6	163	if (!qemu_console_is_graphic(NULL)) {
4d3b6f6e	164	curs_set(2);
81c0d5a6	165	}
4d3b6f6e AZ	166	return;
	167	}
	168	}
	169
	170	curs_set(0);
	171	}
	172
	173	/* generic keyboard conversion */
	174
	175	#include "curses_keys.h"
4d3b6f6e	176
c227f099	177	static kbd_layout_t *kbd_layout = NULL;
4d3b6f6e	178
bc2ed970	179	static void curses_refresh(DisplayChangeListener *dcl)
4d3b6f6e	180	{
44bb61c8	181	int chr, nextchr, keysym, keycode, keycode_alt;
4d3b6f6e	182
032ac6f8 GH	183	curses_winch_check();
032ac6f8 GH	184
4d3b6f6e AZ	185	if (invalidate) {
	186	clear();
	187	refresh();
	188	curses_calc_pad();
1dbfa005	189	graphic_hw_invalidate(NULL);
4d3b6f6e AZ	190	invalidate = 0;
	191	}
	192
1dbfa005	193	graphic_hw_text_update(NULL, screen);
4d3b6f6e AZ	194
	195	nextchr = ERR;
	196	while (1) {
	197	/* while there are any pending key strokes to process */
	198	if (nextchr == ERR)
	199	chr = getch();
	200	else {
	201	chr = nextchr;
	202	nextchr = ERR;
	203	}
	204
	205	if (chr == ERR)
	206	break;
	207
b1314cf9	208	#ifdef KEY_RESIZE
4d3b6f6e AZ	209	/* this shouldn't occur when we use a custom SIGWINCH handler */
	210	if (chr == KEY_RESIZE) {
	211	clear();
	212	refresh();
	213	curses_calc_pad();
bc2ed970	214	curses_update(dcl, 0, 0, width, height);
4d3b6f6e AZ	215	continue;
4d3b6f6e AZ	216	}
b1314cf9	217	#endif
4d3b6f6e AZ	218
4d3b6f6e AZ	219	keycode = curses2keycode[chr];
44bb61c8	220	keycode_alt = 0;
4d3b6f6e AZ	221
	222	/* alt key */
	223	if (keycode == 1) {
	224	nextchr = getch();
	225
	226	if (nextchr != ERR) {
44bb61c8 ST	227	chr = nextchr;
44bb61c8 ST	228	keycode_alt = ALT;
4d3b6f6e AZ	229	keycode = curses2keycode[nextchr];
4d3b6f6e AZ	230	nextchr = ERR;
4d3b6f6e	231
44bb61c8 ST	232	if (keycode != -1) {
44bb61c8 ST	233	keycode \|= ALT;
4d3b6f6e	234
44bb61c8 ST	235	/* process keys reserved for qemu */
	236	if (keycode >= QEMU_KEY_CONSOLE0 &&
	237	keycode < QEMU_KEY_CONSOLE0 + 9) {
	238	erase();
	239	wnoutrefresh(stdscr);
	240	console_select(keycode - QEMU_KEY_CONSOLE0);
4d3b6f6e	241
44bb61c8 ST	242	invalidate = 1;
	243	continue;
	244	}
4d3b6f6e AZ	245	}
	246	}
	247	}
	248
44bb61c8 ST	249	if (kbd_layout) {
	250	keysym = -1;
	251	if (chr < CURSES_KEYS)
	252	keysym = curses2keysym[chr];
	253
	254	if (keysym == -1) {
d03703c8 ST	255	if (chr < ' ') {
	256	keysym = chr + '@';
	257	if (keysym >= 'A' && keysym <= 'Z')
	258	keysym += 'a' - 'A';
	259	keysym \|= KEYSYM_CNTRL;
	260	} else
44bb61c8 ST	261	keysym = chr;
44bb61c8 ST	262	}
4d3b6f6e	263
44bb61c8 ST	264	keycode = keysym2scancode(kbd_layout, keysym & KEYSYM_MASK);
	265	if (keycode == 0)
	266	continue;
	267
	268	keycode \|= (keysym & ~KEYSYM_MASK) >> 16;
	269	keycode \|= keycode_alt;
4d3b6f6e AZ	270	}
4d3b6f6e AZ	271
44bb61c8 ST	272	if (keycode == -1)
	273	continue;
	274
81c0d5a6	275	if (qemu_console_is_graphic(NULL)) {
4d3b6f6e AZ	276	/* since terminals don't know about key press and release
4d3b6f6e AZ	277	* events, we need to emit both for each key received */
cd100328 GH	278	if (keycode & SHIFT) {
	279	qemu_input_event_send_key_number(NULL, SHIFT_CODE, true);
	280	}
	281	if (keycode & CNTRL) {
	282	qemu_input_event_send_key_number(NULL, CNTRL_CODE, true);
	283	}
	284	if (keycode & ALT) {
	285	qemu_input_event_send_key_number(NULL, ALT_CODE, true);
	286	}
44bb61c8	287	if (keycode & ALTGR) {
cd100328	288	qemu_input_event_send_key_number(NULL, GREY \| ALT_CODE, true);
44bb61c8	289	}
cd100328 GH	290
	291	qemu_input_event_send_key_number(NULL, keycode, true);
	292	qemu_input_event_send_key_number(NULL, keycode, false);
	293
44bb61c8	294	if (keycode & ALTGR) {
cd100328 GH	295	qemu_input_event_send_key_number(NULL, GREY \| ALT_CODE, false);
	296	}
	297	if (keycode & ALT) {
	298	qemu_input_event_send_key_number(NULL, ALT_CODE, false);
	299	}
	300	if (keycode & CNTRL) {
	301	qemu_input_event_send_key_number(NULL, CNTRL_CODE, false);
	302	}
	303	if (keycode & SHIFT) {
	304	qemu_input_event_send_key_number(NULL, SHIFT_CODE, false);
44bb61c8	305	}
4d3b6f6e	306	} else {
44bb61c8	307	keysym = curses2qemu[chr];
4d3b6f6e AZ	308	if (keysym == -1)
	309	keysym = chr;
	310
	311	kbd_put_keysym(keysym);
	312	}
	313	}
	314	}
	315
aaf12c25	316	static void curses_atexit(void)
4d3b6f6e AZ	317	{
	318	endwin();
	319	}
	320
4d3b6f6e AZ	321	static void curses_setup(void)
	322	{
	323	int i, colour_default[8] = {
	324	COLOR_BLACK, COLOR_BLUE, COLOR_GREEN, COLOR_CYAN,
	325	COLOR_RED, COLOR_MAGENTA, COLOR_YELLOW, COLOR_WHITE,
	326	};
	327
	328	/* input as raw as possible, let everything be interpreted
	329	* by the guest system */
	330	initscr(); noecho(); intrflush(stdscr, FALSE);
	331	nodelay(stdscr, TRUE); nonl(); keypad(stdscr, TRUE);
	332	start_color(); raw(); scrollok(stdscr, FALSE);
	333
	334	for (i = 0; i < 64; i ++)
	335	init_pair(i, colour_default[i & 7], colour_default[i >> 3]);
	336	}
	337
	338	static void curses_keyboard_setup(void)
	339	{
4d3b6f6e AZ	340	#if defined(__APPLE__)
	341	/* always use generic keymaps */
	342	if (!keyboard_layout)
	343	keyboard_layout = "en-us";
	344	#endif
	345	if(keyboard_layout) {
0483755a	346	kbd_layout = init_keyboard_layout(name2keysym, keyboard_layout);
4d3b6f6e AZ	347	if (!kbd_layout)
	348	exit(1);
	349	}
4d3b6f6e AZ	350	}
4d3b6f6e AZ	351
7c20b4a3 GH	352	static const DisplayChangeListenerOps dcl_ops = {
	353	.dpy_name = "curses",
	354	.dpy_text_update = curses_update,
	355	.dpy_text_resize = curses_resize,
	356	.dpy_refresh = curses_refresh,
	357	.dpy_text_cursor = curses_cursor_position,
	358	};
	359
4d3b6f6e AZ	360	void curses_display_init(DisplayState *ds, int full_screen)
	361	{
	362	#ifndef _WIN32
	363	if (!isatty(1)) {
	364	fprintf(stderr, "We need a terminal output\n");
	365	exit(1);
	366	}
	367	#endif
	368
	369	curses_setup();
	370	curses_keyboard_setup();
28695489	371	atexit(curses_atexit);
4d3b6f6e	372
032ac6f8	373	curses_winch_init();
4d3b6f6e	374
7267c094	375	dcl = (DisplayChangeListener *) g_malloc0(sizeof(DisplayChangeListener));
7c20b4a3	376	dcl->ops = &dcl_ops;
5209089f	377	register_displaychangelistener(dcl);
4d3b6f6e AZ	378
4d3b6f6e AZ	379	invalidate = 1;
4d3b6f6e	380	}