[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 "qemu/osdep.h"
#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;

chtype vga_to_curses[256];

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);
                qemu_input_event_send_key_delay(0);
            }
            if (keycode & CNTRL) {
                qemu_input_event_send_key_number(NULL, CNTRL_CODE, true);
                qemu_input_event_send_key_delay(0);
            }
            if (keycode & ALT) {
                qemu_input_event_send_key_number(NULL, ALT_CODE, true);
                qemu_input_event_send_key_delay(0);
            }
            if (keycode & ALTGR) {
                qemu_input_event_send_key_number(NULL, GREY | ALT_CODE, true);
                qemu_input_event_send_key_delay(0);
            }

            qemu_input_event_send_key_number(NULL, keycode & KEY_MASK, true);
            qemu_input_event_send_key_delay(0);
            qemu_input_event_send_key_number(NULL, keycode & KEY_MASK, false);
            qemu_input_event_send_key_delay(0);

            if (keycode & ALTGR) {
                qemu_input_event_send_key_number(NULL, GREY | ALT_CODE, false);
                qemu_input_event_send_key_delay(0);
            }
            if (keycode & ALT) {
                qemu_input_event_send_key_number(NULL, ALT_CODE, false);
                qemu_input_event_send_key_delay(0);
            }
            if (keycode & CNTRL) {
                qemu_input_event_send_key_number(NULL, CNTRL_CODE, false);
                qemu_input_event_send_key_delay(0);
            }
            if (keycode & SHIFT) {
                qemu_input_event_send_key_number(NULL, SHIFT_CODE, false);
                qemu_input_event_send_key_delay(0);
            }
        } 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] = {
        [QEMU_COLOR_BLACK]   = COLOR_BLACK,
        [QEMU_COLOR_BLUE]    = COLOR_BLUE,
        [QEMU_COLOR_GREEN]   = COLOR_GREEN,
        [QEMU_COLOR_CYAN]    = COLOR_CYAN,
        [QEMU_COLOR_RED]     = COLOR_RED,
        [QEMU_COLOR_MAGENTA] = COLOR_MAGENTA,
        [QEMU_COLOR_YELLOW]  = COLOR_YELLOW,
        [QEMU_COLOR_WHITE]   = 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);

    /* Make color pair to match color format (3bits bg:3bits fg) */
    for (i = 0; i < 64; i++) {
        init_pair(i, colour_default[i & 7], colour_default[i >> 3]);
    }
    /* Set default color for more than 64 for safety. */
    for (i = 64; i < COLOR_PAIRS; i++) {
        init_pair(i, COLOR_WHITE, COLOR_BLACK);
    }

    /*
     * Setup mapping for vga to curses line graphics.
     * FIXME: for better font, have to use ncursesw and setlocale()
     */
#if 0
    /* FIXME: map from where? */
    ACS_S1;
    ACS_S3;
    ACS_S7;
    ACS_S9;
#endif
    /* ACS_* is not constant. So, we can't initialize statically. */
    vga_to_curses['\0'] = ' ';
    vga_to_curses[0x04] = ACS_DIAMOND;
    vga_to_curses[0x0a] = ACS_RARROW;
    vga_to_curses[0x0b] = ACS_LARROW;
    vga_to_curses[0x18] = ACS_UARROW;
    vga_to_curses[0x19] = ACS_DARROW;
    vga_to_curses[0x9c] = ACS_STERLING;
    vga_to_curses[0xb0] = ACS_BOARD;
    vga_to_curses[0xb1] = ACS_CKBOARD;
    vga_to_curses[0xb3] = ACS_VLINE;
    vga_to_curses[0xb4] = ACS_RTEE;
    vga_to_curses[0xbf] = ACS_URCORNER;
    vga_to_curses[0xc0] = ACS_LLCORNER;
    vga_to_curses[0xc1] = ACS_BTEE;
    vga_to_curses[0xc2] = ACS_TTEE;
    vga_to_curses[0xc3] = ACS_LTEE;
    vga_to_curses[0xc4] = ACS_HLINE;
    vga_to_curses[0xc5] = ACS_PLUS;
    vga_to_curses[0xce] = ACS_LANTERN;
    vga_to_curses[0xd8] = ACS_NEQUAL;
    vga_to_curses[0xd9] = ACS_LRCORNER;
    vga_to_curses[0xda] = ACS_ULCORNER;
    vga_to_curses[0xdb] = ACS_BLOCK;
    vga_to_curses[0xe3] = ACS_PI;
    vga_to_curses[0xf1] = ACS_PLMINUS;
    vga_to_curses[0xf2] = ACS_GEQUAL;
    vga_to_curses[0xf3] = ACS_LEQUAL;
    vga_to_curses[0xf8] = ACS_DEGREE;
    vga_to_curses[0xfe] = ACS_BULLET;
}

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 = g_new0(DisplayChangeListener, 1);
    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	*/
e16f4c87	24	#include "qemu/osdep.h"
4d3b6f6e AZ	25	#include <curses.h>
	26
	27	#ifndef _WIN32
4d3b6f6e AZ	28	#include <sys/ioctl.h>
	29	#include <termios.h>
	30	#endif
	31
511d2b14	32	#include "qemu-common.h"
28ecbaee	33	#include "ui/console.h"
cd100328	34	#include "ui/input.h"
9c17d615	35	#include "sysemu/sysemu.h"
511d2b14	36
4d3b6f6e AZ	37	#define FONT_HEIGHT 16
	38	#define FONT_WIDTH 8
	39
7c20b4a3	40	static DisplayChangeListener *dcl;
c227f099	41	static console_ch_t screen[160 * 100];
4d3b6f6e AZ	42	static WINDOW *screenpad = NULL;
	43	static int width, height, gwidth, gheight, invalidate;
	44	static int px, py, sminx, sminy, smaxx, smaxy;
	45
e2368dc9 OH	46	chtype vga_to_curses[256];
e2368dc9 OH	47
7c20b4a3	48	static void curses_update(DisplayChangeListener *dcl,
7c20b4a3	49	int x, int y, int w, int h)
4d3b6f6e AZ	50	{
	51	chtype *line;
	52
	53	line = ((chtype ) screen) + y width;
	54	for (h += y; y < h; y ++, line += width)
	55	mvwaddchnstr(screenpad, y, 0, line, width);
	56
	57	pnoutrefresh(screenpad, py, px, sminy, sminx, smaxy - 1, smaxx - 1);
	58	refresh();
	59	}
	60
	61	static void curses_calc_pad(void)
	62	{
81c0d5a6	63	if (qemu_console_is_fixedsize(NULL)) {
4d3b6f6e AZ	64	width = gwidth;
	65	height = gheight;
	66	} else {
	67	width = COLS;
	68	height = LINES;
	69	}
	70
	71	if (screenpad)
	72	delwin(screenpad);
	73
	74	clear();
	75	refresh();
	76
	77	screenpad = newpad(height, width);
	78
	79	if (width > COLS) {
	80	px = (width - COLS) / 2;
	81	sminx = 0;
	82	smaxx = COLS;
	83	} else {
	84	px = 0;
	85	sminx = (COLS - width) / 2;
	86	smaxx = sminx + width;
	87	}
	88
	89	if (height > LINES) {
	90	py = (height - LINES) / 2;
	91	sminy = 0;
	92	smaxy = LINES;
	93	} else {
	94	py = 0;
	95	sminy = (LINES - height) / 2;
	96	smaxy = sminy + height;
	97	}
	98	}
	99
7c20b4a3	100	static void curses_resize(DisplayChangeListener *dcl,
7c20b4a3	101	int width, int height)
4d3b6f6e	102	{
a93a4a22	103	if (width == gwidth && height == gheight) {
4d3b6f6e	104	return;
a93a4a22	105	}
4d3b6f6e	106
a93a4a22 GH	107	gwidth = width;
a93a4a22 GH	108	gheight = height;
4d3b6f6e AZ	109
	110	curses_calc_pad();
	111	}
	112
032ac6f8 GH	113	#if !defined(_WIN32) && defined(SIGWINCH) && defined(KEY_RESIZE)
	114	static volatile sig_atomic_t got_sigwinch;
	115	static void curses_winch_check(void)
4d3b6f6e AZ	116	{
	117	struct winsize {
	118	unsigned short ws_row;
	119	unsigned short ws_col;
	120	unsigned short ws_xpixel; /* unused */
	121	unsigned short ws_ypixel; /* unused */
	122	} ws;
	123
032ac6f8 GH	124	if (!got_sigwinch) {
	125	return;
	126	}
	127	got_sigwinch = false;
	128
	129	if (ioctl(1, TIOCGWINSZ, &ws) == -1) {
4d3b6f6e	130	return;
032ac6f8	131	}
4d3b6f6e AZ	132
4d3b6f6e AZ	133	resize_term(ws.ws_row, ws.ws_col);
4d3b6f6e	134	invalidate = 1;
032ac6f8	135	}
4d3b6f6e	136
032ac6f8 GH	137	static void curses_winch_handler(int signum)
	138	{
	139	got_sigwinch = true;
4d3b6f6e	140	}
032ac6f8 GH	141
	142	static void curses_winch_init(void)
	143	{
	144	struct sigaction old, winch = {
	145	.sa_handler = curses_winch_handler,
	146	};
	147	sigaction(SIGWINCH, &winch, &old);
	148	}
	149	#else
	150	static void curses_winch_check(void) {}
	151	static void curses_winch_init(void) {}
4d3b6f6e AZ	152	#endif
4d3b6f6e AZ	153
7c20b4a3	154	static void curses_cursor_position(DisplayChangeListener *dcl,
7c20b4a3	155	int x, int y)
4d3b6f6e AZ	156	{
	157	if (x >= 0) {
	158	x = sminx + x - px;
	159	y = sminy + y - py;
	160
	161	if (x >= 0 && y >= 0 && x < COLS && y < LINES) {
	162	move(y, x);
	163	curs_set(1);
	164	/* it seems that curs_set(1) must always be called before
	165	* curs_set(2) for the latter to have effect */
81c0d5a6	166	if (!qemu_console_is_graphic(NULL)) {
4d3b6f6e	167	curs_set(2);
81c0d5a6	168	}
4d3b6f6e AZ	169	return;
	170	}
	171	}
	172
	173	curs_set(0);
	174	}
	175
	176	/* generic keyboard conversion */
	177
	178	#include "curses_keys.h"
4d3b6f6e	179
c227f099	180	static kbd_layout_t *kbd_layout = NULL;
4d3b6f6e	181
bc2ed970	182	static void curses_refresh(DisplayChangeListener *dcl)
4d3b6f6e	183	{
44bb61c8	184	int chr, nextchr, keysym, keycode, keycode_alt;
4d3b6f6e	185
032ac6f8 GH	186	curses_winch_check();
032ac6f8 GH	187
4d3b6f6e AZ	188	if (invalidate) {
	189	clear();
	190	refresh();
	191	curses_calc_pad();
1dbfa005	192	graphic_hw_invalidate(NULL);
4d3b6f6e AZ	193	invalidate = 0;
	194	}
	195
1dbfa005	196	graphic_hw_text_update(NULL, screen);
4d3b6f6e AZ	197
	198	nextchr = ERR;
	199	while (1) {
	200	/* while there are any pending key strokes to process */
	201	if (nextchr == ERR)
	202	chr = getch();
	203	else {
	204	chr = nextchr;
	205	nextchr = ERR;
	206	}
	207
	208	if (chr == ERR)
	209	break;
	210
b1314cf9	211	#ifdef KEY_RESIZE
4d3b6f6e AZ	212	/* this shouldn't occur when we use a custom SIGWINCH handler */
	213	if (chr == KEY_RESIZE) {
	214	clear();
	215	refresh();
	216	curses_calc_pad();
bc2ed970	217	curses_update(dcl, 0, 0, width, height);
4d3b6f6e AZ	218	continue;
4d3b6f6e AZ	219	}
b1314cf9	220	#endif
4d3b6f6e AZ	221
4d3b6f6e AZ	222	keycode = curses2keycode[chr];
44bb61c8	223	keycode_alt = 0;
4d3b6f6e AZ	224
	225	/* alt key */
	226	if (keycode == 1) {
	227	nextchr = getch();
	228
	229	if (nextchr != ERR) {
44bb61c8 ST	230	chr = nextchr;
44bb61c8 ST	231	keycode_alt = ALT;
4d3b6f6e AZ	232	keycode = curses2keycode[nextchr];
4d3b6f6e AZ	233	nextchr = ERR;
4d3b6f6e	234
44bb61c8 ST	235	if (keycode != -1) {
44bb61c8 ST	236	keycode \|= ALT;
4d3b6f6e	237
44bb61c8 ST	238	/* process keys reserved for qemu */
	239	if (keycode >= QEMU_KEY_CONSOLE0 &&
	240	keycode < QEMU_KEY_CONSOLE0 + 9) {
	241	erase();
	242	wnoutrefresh(stdscr);
	243	console_select(keycode - QEMU_KEY_CONSOLE0);
4d3b6f6e	244
44bb61c8 ST	245	invalidate = 1;
	246	continue;
	247	}
4d3b6f6e AZ	248	}
	249	}
	250	}
	251
44bb61c8 ST	252	if (kbd_layout) {
	253	keysym = -1;
	254	if (chr < CURSES_KEYS)
	255	keysym = curses2keysym[chr];
	256
	257	if (keysym == -1) {
d03703c8 ST	258	if (chr < ' ') {
	259	keysym = chr + '@';
	260	if (keysym >= 'A' && keysym <= 'Z')
	261	keysym += 'a' - 'A';
	262	keysym \|= KEYSYM_CNTRL;
	263	} else
44bb61c8 ST	264	keysym = chr;
44bb61c8 ST	265	}
4d3b6f6e	266
44bb61c8 ST	267	keycode = keysym2scancode(kbd_layout, keysym & KEYSYM_MASK);
	268	if (keycode == 0)
	269	continue;
	270
	271	keycode \|= (keysym & ~KEYSYM_MASK) >> 16;
	272	keycode \|= keycode_alt;
4d3b6f6e AZ	273	}
4d3b6f6e AZ	274
44bb61c8 ST	275	if (keycode == -1)
	276	continue;
	277
81c0d5a6	278	if (qemu_console_is_graphic(NULL)) {
4d3b6f6e AZ	279	/* since terminals don't know about key press and release
4d3b6f6e AZ	280	* events, we need to emit both for each key received */
cd100328 GH	281	if (keycode & SHIFT) {
cd100328 GH	282	qemu_input_event_send_key_number(NULL, SHIFT_CODE, true);
5a165668	283	qemu_input_event_send_key_delay(0);
cd100328 GH	284	}
	285	if (keycode & CNTRL) {
	286	qemu_input_event_send_key_number(NULL, CNTRL_CODE, true);
5a165668	287	qemu_input_event_send_key_delay(0);
cd100328 GH	288	}
	289	if (keycode & ALT) {
	290	qemu_input_event_send_key_number(NULL, ALT_CODE, true);
5a165668	291	qemu_input_event_send_key_delay(0);
cd100328	292	}
44bb61c8	293	if (keycode & ALTGR) {
cd100328	294	qemu_input_event_send_key_number(NULL, GREY \| ALT_CODE, true);
5a165668	295	qemu_input_event_send_key_delay(0);
44bb61c8	296	}
cd100328	297
f5c0ab13	298	qemu_input_event_send_key_number(NULL, keycode & KEY_MASK, true);
5a165668	299	qemu_input_event_send_key_delay(0);
f5c0ab13	300	qemu_input_event_send_key_number(NULL, keycode & KEY_MASK, false);
5a165668	301	qemu_input_event_send_key_delay(0);
cd100328	302
44bb61c8	303	if (keycode & ALTGR) {
cd100328	304	qemu_input_event_send_key_number(NULL, GREY \| ALT_CODE, false);
5a165668	305	qemu_input_event_send_key_delay(0);
cd100328 GH	306	}
	307	if (keycode & ALT) {
	308	qemu_input_event_send_key_number(NULL, ALT_CODE, false);
5a165668	309	qemu_input_event_send_key_delay(0);
cd100328 GH	310	}
	311	if (keycode & CNTRL) {
	312	qemu_input_event_send_key_number(NULL, CNTRL_CODE, false);
5a165668	313	qemu_input_event_send_key_delay(0);
cd100328 GH	314	}
	315	if (keycode & SHIFT) {
	316	qemu_input_event_send_key_number(NULL, SHIFT_CODE, false);
5a165668	317	qemu_input_event_send_key_delay(0);
44bb61c8	318	}
4d3b6f6e	319	} else {
44bb61c8	320	keysym = curses2qemu[chr];
4d3b6f6e AZ	321	if (keysym == -1)
	322	keysym = chr;
	323
	324	kbd_put_keysym(keysym);
	325	}
	326	}
	327	}
	328
aaf12c25	329	static void curses_atexit(void)
4d3b6f6e AZ	330	{
	331	endwin();
	332	}
	333
4d3b6f6e AZ	334	static void curses_setup(void)
	335	{
	336	int i, colour_default[8] = {
4083733d OH	337	[QEMU_COLOR_BLACK] = COLOR_BLACK,
	338	[QEMU_COLOR_BLUE] = COLOR_BLUE,
	339	[QEMU_COLOR_GREEN] = COLOR_GREEN,
	340	[QEMU_COLOR_CYAN] = COLOR_CYAN,
	341	[QEMU_COLOR_RED] = COLOR_RED,
	342	[QEMU_COLOR_MAGENTA] = COLOR_MAGENTA,
	343	[QEMU_COLOR_YELLOW] = COLOR_YELLOW,
	344	[QEMU_COLOR_WHITE] = COLOR_WHITE,
4d3b6f6e AZ	345	};
	346
	347	/* input as raw as possible, let everything be interpreted
	348	* by the guest system */
	349	initscr(); noecho(); intrflush(stdscr, FALSE);
	350	nodelay(stdscr, TRUE); nonl(); keypad(stdscr, TRUE);
	351	start_color(); raw(); scrollok(stdscr, FALSE);
	352
4083733d	353	/* Make color pair to match color format (3bits bg:3bits fg) */
615220dd	354	for (i = 0; i < 64; i++) {
4d3b6f6e	355	init_pair(i, colour_default[i & 7], colour_default[i >> 3]);
615220dd	356	}
4083733d	357	/* Set default color for more than 64 for safety. */
615220dd OH	358	for (i = 64; i < COLOR_PAIRS; i++) {
	359	init_pair(i, COLOR_WHITE, COLOR_BLACK);
	360	}
e2368dc9 OH	361
	362	/*
	363	* Setup mapping for vga to curses line graphics.
	364	* FIXME: for better font, have to use ncursesw and setlocale()
	365	*/
	366	#if 0
	367	/* FIXME: map from where? */
	368	ACS_S1;
	369	ACS_S3;
	370	ACS_S7;
	371	ACS_S9;
	372	#endif
	373	/* ACS_* is not constant. So, we can't initialize statically. */
	374	vga_to_curses['\0'] = ' ';
	375	vga_to_curses[0x04] = ACS_DIAMOND;
	376	vga_to_curses[0x0a] = ACS_RARROW;
	377	vga_to_curses[0x0b] = ACS_LARROW;
	378	vga_to_curses[0x18] = ACS_UARROW;
	379	vga_to_curses[0x19] = ACS_DARROW;
	380	vga_to_curses[0x9c] = ACS_STERLING;
	381	vga_to_curses[0xb0] = ACS_BOARD;
	382	vga_to_curses[0xb1] = ACS_CKBOARD;
	383	vga_to_curses[0xb3] = ACS_VLINE;
	384	vga_to_curses[0xb4] = ACS_RTEE;
	385	vga_to_curses[0xbf] = ACS_URCORNER;
	386	vga_to_curses[0xc0] = ACS_LLCORNER;
	387	vga_to_curses[0xc1] = ACS_BTEE;
	388	vga_to_curses[0xc2] = ACS_TTEE;
	389	vga_to_curses[0xc3] = ACS_LTEE;
	390	vga_to_curses[0xc4] = ACS_HLINE;
	391	vga_to_curses[0xc5] = ACS_PLUS;
	392	vga_to_curses[0xce] = ACS_LANTERN;
	393	vga_to_curses[0xd8] = ACS_NEQUAL;
	394	vga_to_curses[0xd9] = ACS_LRCORNER;
	395	vga_to_curses[0xda] = ACS_ULCORNER;
	396	vga_to_curses[0xdb] = ACS_BLOCK;
	397	vga_to_curses[0xe3] = ACS_PI;
	398	vga_to_curses[0xf1] = ACS_PLMINUS;
	399	vga_to_curses[0xf2] = ACS_GEQUAL;
	400	vga_to_curses[0xf3] = ACS_LEQUAL;
	401	vga_to_curses[0xf8] = ACS_DEGREE;
	402	vga_to_curses[0xfe] = ACS_BULLET;
4d3b6f6e AZ	403	}
	404
	405	static void curses_keyboard_setup(void)
	406	{
4d3b6f6e AZ	407	#if defined(__APPLE__)
	408	/* always use generic keymaps */
	409	if (!keyboard_layout)
	410	keyboard_layout = "en-us";
	411	#endif
	412	if(keyboard_layout) {
0483755a	413	kbd_layout = init_keyboard_layout(name2keysym, keyboard_layout);
4d3b6f6e AZ	414	if (!kbd_layout)
	415	exit(1);
	416	}
4d3b6f6e AZ	417	}
4d3b6f6e AZ	418
7c20b4a3 GH	419	static const DisplayChangeListenerOps dcl_ops = {
	420	.dpy_name = "curses",
	421	.dpy_text_update = curses_update,
	422	.dpy_text_resize = curses_resize,
	423	.dpy_refresh = curses_refresh,
	424	.dpy_text_cursor = curses_cursor_position,
	425	};
	426
4d3b6f6e AZ	427	void curses_display_init(DisplayState *ds, int full_screen)
	428	{
	429	#ifndef _WIN32
	430	if (!isatty(1)) {
	431	fprintf(stderr, "We need a terminal output\n");
	432	exit(1);
	433	}
	434	#endif
	435
	436	curses_setup();
	437	curses_keyboard_setup();
28695489	438	atexit(curses_atexit);
4d3b6f6e	439
032ac6f8	440	curses_winch_init();
4d3b6f6e	441
fedf0d35	442	dcl = g_new0(DisplayChangeListener, 1);
7c20b4a3	443	dcl->ops = &dcl_ops;
5209089f	444	register_displaychangelistener(dcl);
4d3b6f6e AZ	445
4d3b6f6e AZ	446	invalidate = 1;
4d3b6f6e	447	}