[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"

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

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

/* KEY_EVENT is defined in wincon.h and in curses.h. Avoid redefinition. */
#undef KEY_EVENT
#include <curses.h>
#undef KEY_EVENT

#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 chtype vga_to_curses[256];

static void curses_update(DisplayChangeListener *dcl,
                          int x, int y, int w, int h)
{
    console_ch_t *line;
    chtype curses_line[width];

    line = screen + y * width;
    for (h += y; y < h; y ++, line += width) {
        for (x = 0; x < width; x++) {
            chtype ch = line[x] & 0xff;
            chtype at = line[x] & ~0xff;
            if (vga_to_curses[ch]) {
                ch = vga_to_curses[ch];
            }
            curses_line[x] = ch | at;
        }
        mvwaddchnstr(screenpad, y, 0, curses_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, 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);

    while (1) {
        /* while there are any pending key strokes to process */
        chr = getch();

        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) {
            int nextchr = getch();

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

                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,
                                      NULL);
            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 = -1;
            if (chr < CURSES_KEYS) {
                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[0x18] = ACS_UARROW;
    vga_to_curses[0x19] = ACS_DARROW;
    vga_to_curses[0x1a] = ACS_RARROW;
    vga_to_curses[0x1b] = ACS_LARROW;
    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,
                                          &error_fatal);
    }
}

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,
};

static void curses_display_init(DisplayState *ds, DisplayOptions *opts)
{
#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;
}

static QemuDisplay qemu_display_curses = {
    .type       = DISPLAY_TYPE_CURSES,
    .init       = curses_display_init,
};

static void register_curses(void)
{
    qemu_display_register(&qemu_display_curses);
}

type_init(register_curses);
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
4d3b6f6e AZ	26	#ifndef _WIN32
4d3b6f6e AZ	27	#include <sys/ioctl.h>
	28	#include <termios.h>
	29	#endif
	30
ab4f931e	31	#include "qapi/error.h"
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
e2f82e92 GH	37	/* KEY_EVENT is defined in wincon.h and in curses.h. Avoid redefinition. */
	38	#undef KEY_EVENT
	39	#include <curses.h>
	40	#undef KEY_EVENT
	41
4d3b6f6e AZ	42	#define FONT_HEIGHT 16
	43	#define FONT_WIDTH 8
	44
7c20b4a3	45	static DisplayChangeListener *dcl;
c227f099	46	static console_ch_t screen[160 * 100];
4d3b6f6e AZ	47	static WINDOW *screenpad = NULL;
	48	static int width, height, gwidth, gheight, invalidate;
	49	static int px, py, sminx, sminy, smaxx, smaxy;
	50
e2f82e92	51	static chtype vga_to_curses[256];
e2368dc9	52
7c20b4a3	53	static void curses_update(DisplayChangeListener *dcl,
7c20b4a3	54	int x, int y, int w, int h)
4d3b6f6e	55	{
e2f82e92 GH	56	console_ch_t *line;
e2f82e92 GH	57	chtype curses_line[width];
4d3b6f6e	58
e2f82e92 GH	59	line = screen + y * width;
	60	for (h += y; y < h; y ++, line += width) {
	61	for (x = 0; x < width; x++) {
	62	chtype ch = line[x] & 0xff;
	63	chtype at = line[x] & ~0xff;
	64	if (vga_to_curses[ch]) {
	65	ch = vga_to_curses[ch];
	66	}
	67	curses_line[x] = ch \| at;
	68	}
	69	mvwaddchnstr(screenpad, y, 0, curses_line, width);
	70	}
4d3b6f6e AZ	71
	72	pnoutrefresh(screenpad, py, px, sminy, sminx, smaxy - 1, smaxx - 1);
	73	refresh();
	74	}
	75
	76	static void curses_calc_pad(void)
	77	{
81c0d5a6	78	if (qemu_console_is_fixedsize(NULL)) {
4d3b6f6e AZ	79	width = gwidth;
	80	height = gheight;
	81	} else {
	82	width = COLS;
	83	height = LINES;
	84	}
	85
	86	if (screenpad)
	87	delwin(screenpad);
	88
	89	clear();
	90	refresh();
	91
	92	screenpad = newpad(height, width);
	93
	94	if (width > COLS) {
	95	px = (width - COLS) / 2;
	96	sminx = 0;
	97	smaxx = COLS;
	98	} else {
	99	px = 0;
	100	sminx = (COLS - width) / 2;
	101	smaxx = sminx + width;
	102	}
	103
	104	if (height > LINES) {
	105	py = (height - LINES) / 2;
	106	sminy = 0;
	107	smaxy = LINES;
	108	} else {
	109	py = 0;
	110	sminy = (LINES - height) / 2;
	111	smaxy = sminy + height;
	112	}
	113	}
	114
7c20b4a3	115	static void curses_resize(DisplayChangeListener *dcl,
7c20b4a3	116	int width, int height)
4d3b6f6e	117	{
a93a4a22	118	if (width == gwidth && height == gheight) {
4d3b6f6e	119	return;
a93a4a22	120	}
4d3b6f6e	121
a93a4a22 GH	122	gwidth = width;
a93a4a22 GH	123	gheight = height;
4d3b6f6e AZ	124
	125	curses_calc_pad();
	126	}
	127
032ac6f8 GH	128	#if !defined(_WIN32) && defined(SIGWINCH) && defined(KEY_RESIZE)
	129	static volatile sig_atomic_t got_sigwinch;
	130	static void curses_winch_check(void)
4d3b6f6e AZ	131	{
	132	struct winsize {
	133	unsigned short ws_row;
	134	unsigned short ws_col;
	135	unsigned short ws_xpixel; /* unused */
	136	unsigned short ws_ypixel; /* unused */
	137	} ws;
	138
032ac6f8 GH	139	if (!got_sigwinch) {
	140	return;
	141	}
	142	got_sigwinch = false;
	143
	144	if (ioctl(1, TIOCGWINSZ, &ws) == -1) {
4d3b6f6e	145	return;
032ac6f8	146	}
4d3b6f6e AZ	147
4d3b6f6e AZ	148	resize_term(ws.ws_row, ws.ws_col);
4d3b6f6e	149	invalidate = 1;
032ac6f8	150	}
4d3b6f6e	151
032ac6f8 GH	152	static void curses_winch_handler(int signum)
	153	{
	154	got_sigwinch = true;
4d3b6f6e	155	}
032ac6f8 GH	156
	157	static void curses_winch_init(void)
	158	{
	159	struct sigaction old, winch = {
	160	.sa_handler = curses_winch_handler,
	161	};
	162	sigaction(SIGWINCH, &winch, &old);
	163	}
	164	#else
	165	static void curses_winch_check(void) {}
	166	static void curses_winch_init(void) {}
4d3b6f6e AZ	167	#endif
4d3b6f6e AZ	168
7c20b4a3	169	static void curses_cursor_position(DisplayChangeListener *dcl,
7c20b4a3	170	int x, int y)
4d3b6f6e AZ	171	{
	172	if (x >= 0) {
	173	x = sminx + x - px;
	174	y = sminy + y - py;
	175
	176	if (x >= 0 && y >= 0 && x < COLS && y < LINES) {
	177	move(y, x);
	178	curs_set(1);
	179	/* it seems that curs_set(1) must always be called before
	180	* curs_set(2) for the latter to have effect */
81c0d5a6	181	if (!qemu_console_is_graphic(NULL)) {
4d3b6f6e	182	curs_set(2);
81c0d5a6	183	}
4d3b6f6e AZ	184	return;
	185	}
	186	}
	187
	188	curs_set(0);
	189	}
	190
	191	/* generic keyboard conversion */
	192
	193	#include "curses_keys.h"
4d3b6f6e	194
c227f099	195	static kbd_layout_t *kbd_layout = NULL;
4d3b6f6e	196
bc2ed970	197	static void curses_refresh(DisplayChangeListener *dcl)
4d3b6f6e	198	{
99a9ef44	199	int chr, keysym, keycode, keycode_alt;
4d3b6f6e	200
032ac6f8 GH	201	curses_winch_check();
032ac6f8 GH	202
4d3b6f6e AZ	203	if (invalidate) {
	204	clear();
	205	refresh();
	206	curses_calc_pad();
1dbfa005	207	graphic_hw_invalidate(NULL);
4d3b6f6e AZ	208	invalidate = 0;
	209	}
	210
1dbfa005	211	graphic_hw_text_update(NULL, screen);
4d3b6f6e	212
4d3b6f6e AZ	213	while (1) {
4d3b6f6e AZ	214	/* while there are any pending key strokes to process */
99a9ef44	215	chr = getch();
4d3b6f6e AZ	216
	217	if (chr == ERR)
	218	break;
	219
b1314cf9	220	#ifdef KEY_RESIZE
4d3b6f6e AZ	221	/* this shouldn't occur when we use a custom SIGWINCH handler */
	222	if (chr == KEY_RESIZE) {
	223	clear();
	224	refresh();
	225	curses_calc_pad();
bc2ed970	226	curses_update(dcl, 0, 0, width, height);
4d3b6f6e AZ	227	continue;
4d3b6f6e AZ	228	}
b1314cf9	229	#endif
4d3b6f6e AZ	230
4d3b6f6e AZ	231	keycode = curses2keycode[chr];
44bb61c8	232	keycode_alt = 0;
4d3b6f6e AZ	233
	234	/* alt key */
	235	if (keycode == 1) {
99a9ef44	236	int nextchr = getch();
4d3b6f6e AZ	237
4d3b6f6e AZ	238	if (nextchr != ERR) {
44bb61c8 ST	239	chr = nextchr;
44bb61c8 ST	240	keycode_alt = ALT;
99a9ef44	241	keycode = curses2keycode[chr];
4d3b6f6e	242
44bb61c8 ST	243	if (keycode != -1) {
44bb61c8 ST	244	keycode \|= ALT;
4d3b6f6e	245
44bb61c8 ST	246	/* process keys reserved for qemu */
	247	if (keycode >= QEMU_KEY_CONSOLE0 &&
	248	keycode < QEMU_KEY_CONSOLE0 + 9) {
	249	erase();
	250	wnoutrefresh(stdscr);
	251	console_select(keycode - QEMU_KEY_CONSOLE0);
4d3b6f6e	252
44bb61c8 ST	253	invalidate = 1;
	254	continue;
	255	}
4d3b6f6e AZ	256	}
	257	}
	258	}
	259
44bb61c8 ST	260	if (kbd_layout) {
	261	keysym = -1;
	262	if (chr < CURSES_KEYS)
	263	keysym = curses2keysym[chr];
	264
	265	if (keysym == -1) {
d03703c8 ST	266	if (chr < ' ') {
	267	keysym = chr + '@';
	268	if (keysym >= 'A' && keysym <= 'Z')
	269	keysym += 'a' - 'A';
	270	keysym \|= KEYSYM_CNTRL;
	271	} else
44bb61c8 ST	272	keysym = chr;
44bb61c8 ST	273	}
4d3b6f6e	274
abb4f2c9	275	keycode = keysym2scancode(kbd_layout, keysym & KEYSYM_MASK,
4ed26e19	276	NULL);
44bb61c8 ST	277	if (keycode == 0)
	278	continue;
	279
	280	keycode \|= (keysym & ~KEYSYM_MASK) >> 16;
	281	keycode \|= keycode_alt;
4d3b6f6e AZ	282	}
4d3b6f6e AZ	283
44bb61c8 ST	284	if (keycode == -1)
	285	continue;
	286
81c0d5a6	287	if (qemu_console_is_graphic(NULL)) {
4d3b6f6e AZ	288	/* since terminals don't know about key press and release
4d3b6f6e AZ	289	* events, we need to emit both for each key received */
cd100328 GH	290	if (keycode & SHIFT) {
cd100328 GH	291	qemu_input_event_send_key_number(NULL, SHIFT_CODE, true);
5a165668	292	qemu_input_event_send_key_delay(0);
cd100328 GH	293	}
	294	if (keycode & CNTRL) {
	295	qemu_input_event_send_key_number(NULL, CNTRL_CODE, true);
5a165668	296	qemu_input_event_send_key_delay(0);
cd100328 GH	297	}
	298	if (keycode & ALT) {
	299	qemu_input_event_send_key_number(NULL, ALT_CODE, true);
5a165668	300	qemu_input_event_send_key_delay(0);
cd100328	301	}
44bb61c8	302	if (keycode & ALTGR) {
cd100328	303	qemu_input_event_send_key_number(NULL, GREY \| ALT_CODE, true);
5a165668	304	qemu_input_event_send_key_delay(0);
44bb61c8	305	}
cd100328	306
f5c0ab13	307	qemu_input_event_send_key_number(NULL, keycode & KEY_MASK, true);
5a165668	308	qemu_input_event_send_key_delay(0);
f5c0ab13	309	qemu_input_event_send_key_number(NULL, keycode & KEY_MASK, false);
5a165668	310	qemu_input_event_send_key_delay(0);
cd100328	311
44bb61c8	312	if (keycode & ALTGR) {
cd100328	313	qemu_input_event_send_key_number(NULL, GREY \| ALT_CODE, false);
5a165668	314	qemu_input_event_send_key_delay(0);
cd100328 GH	315	}
	316	if (keycode & ALT) {
	317	qemu_input_event_send_key_number(NULL, ALT_CODE, false);
5a165668	318	qemu_input_event_send_key_delay(0);
cd100328 GH	319	}
	320	if (keycode & CNTRL) {
	321	qemu_input_event_send_key_number(NULL, CNTRL_CODE, false);
5a165668	322	qemu_input_event_send_key_delay(0);
cd100328 GH	323	}
	324	if (keycode & SHIFT) {
	325	qemu_input_event_send_key_number(NULL, SHIFT_CODE, false);
5a165668	326	qemu_input_event_send_key_delay(0);
44bb61c8	327	}
4d3b6f6e	328	} else {
bba4e1b5 PM	329	keysym = -1;
	330	if (chr < CURSES_KEYS) {
	331	keysym = curses2qemu[chr];
	332	}
4d3b6f6e AZ	333	if (keysym == -1)
	334	keysym = chr;
	335
	336	kbd_put_keysym(keysym);
	337	}
	338	}
	339	}
	340
aaf12c25	341	static void curses_atexit(void)
4d3b6f6e AZ	342	{
	343	endwin();
	344	}
	345
4d3b6f6e AZ	346	static void curses_setup(void)
	347	{
	348	int i, colour_default[8] = {
4083733d OH	349	[QEMU_COLOR_BLACK] = COLOR_BLACK,
	350	[QEMU_COLOR_BLUE] = COLOR_BLUE,
	351	[QEMU_COLOR_GREEN] = COLOR_GREEN,
	352	[QEMU_COLOR_CYAN] = COLOR_CYAN,
	353	[QEMU_COLOR_RED] = COLOR_RED,
	354	[QEMU_COLOR_MAGENTA] = COLOR_MAGENTA,
	355	[QEMU_COLOR_YELLOW] = COLOR_YELLOW,
	356	[QEMU_COLOR_WHITE] = COLOR_WHITE,
4d3b6f6e AZ	357	};
	358
	359	/* input as raw as possible, let everything be interpreted
	360	* by the guest system */
	361	initscr(); noecho(); intrflush(stdscr, FALSE);
	362	nodelay(stdscr, TRUE); nonl(); keypad(stdscr, TRUE);
	363	start_color(); raw(); scrollok(stdscr, FALSE);
	364
4083733d	365	/* Make color pair to match color format (3bits bg:3bits fg) */
615220dd	366	for (i = 0; i < 64; i++) {
4d3b6f6e	367	init_pair(i, colour_default[i & 7], colour_default[i >> 3]);
615220dd	368	}
4083733d	369	/* Set default color for more than 64 for safety. */
615220dd OH	370	for (i = 64; i < COLOR_PAIRS; i++) {
	371	init_pair(i, COLOR_WHITE, COLOR_BLACK);
	372	}
e2368dc9 OH	373
	374	/*
	375	* Setup mapping for vga to curses line graphics.
	376	* FIXME: for better font, have to use ncursesw and setlocale()
	377	*/
	378	#if 0
	379	/* FIXME: map from where? */
	380	ACS_S1;
	381	ACS_S3;
	382	ACS_S7;
	383	ACS_S9;
	384	#endif
	385	/* ACS_* is not constant. So, we can't initialize statically. */
	386	vga_to_curses['\0'] = ' ';
	387	vga_to_curses[0x04] = ACS_DIAMOND;
e2368dc9 OH	388	vga_to_curses[0x18] = ACS_UARROW;
e2368dc9 OH	389	vga_to_curses[0x19] = ACS_DARROW;
697783a7 ST	390	vga_to_curses[0x1a] = ACS_RARROW;
697783a7 ST	391	vga_to_curses[0x1b] = ACS_LARROW;
e2368dc9 OH	392	vga_to_curses[0x9c] = ACS_STERLING;
	393	vga_to_curses[0xb0] = ACS_BOARD;
	394	vga_to_curses[0xb1] = ACS_CKBOARD;
	395	vga_to_curses[0xb3] = ACS_VLINE;
	396	vga_to_curses[0xb4] = ACS_RTEE;
	397	vga_to_curses[0xbf] = ACS_URCORNER;
	398	vga_to_curses[0xc0] = ACS_LLCORNER;
	399	vga_to_curses[0xc1] = ACS_BTEE;
	400	vga_to_curses[0xc2] = ACS_TTEE;
	401	vga_to_curses[0xc3] = ACS_LTEE;
	402	vga_to_curses[0xc4] = ACS_HLINE;
	403	vga_to_curses[0xc5] = ACS_PLUS;
	404	vga_to_curses[0xce] = ACS_LANTERN;
	405	vga_to_curses[0xd8] = ACS_NEQUAL;
	406	vga_to_curses[0xd9] = ACS_LRCORNER;
	407	vga_to_curses[0xda] = ACS_ULCORNER;
	408	vga_to_curses[0xdb] = ACS_BLOCK;
	409	vga_to_curses[0xe3] = ACS_PI;
	410	vga_to_curses[0xf1] = ACS_PLMINUS;
	411	vga_to_curses[0xf2] = ACS_GEQUAL;
	412	vga_to_curses[0xf3] = ACS_LEQUAL;
	413	vga_to_curses[0xf8] = ACS_DEGREE;
	414	vga_to_curses[0xfe] = ACS_BULLET;
4d3b6f6e AZ	415	}
	416
	417	static void curses_keyboard_setup(void)
	418	{
4d3b6f6e AZ	419	#if defined(__APPLE__)
	420	/* always use generic keymaps */
	421	if (!keyboard_layout)
	422	keyboard_layout = "en-us";
	423	#endif
	424	if(keyboard_layout) {
ab4f931e FL	425	kbd_layout = init_keyboard_layout(name2keysym, keyboard_layout,
ab4f931e FL	426	&error_fatal);
4d3b6f6e	427	}
4d3b6f6e AZ	428	}
4d3b6f6e AZ	429
7c20b4a3 GH	430	static const DisplayChangeListenerOps dcl_ops = {
	431	.dpy_name = "curses",
	432	.dpy_text_update = curses_update,
	433	.dpy_text_resize = curses_resize,
	434	.dpy_refresh = curses_refresh,
	435	.dpy_text_cursor = curses_cursor_position,
	436	};
	437
b0766612	438	static void curses_display_init(DisplayState ds, DisplayOptions opts)
4d3b6f6e AZ	439	{
	440	#ifndef _WIN32
	441	if (!isatty(1)) {
	442	fprintf(stderr, "We need a terminal output\n");
	443	exit(1);
	444	}
	445	#endif
	446
	447	curses_setup();
	448	curses_keyboard_setup();
28695489	449	atexit(curses_atexit);
4d3b6f6e	450
032ac6f8	451	curses_winch_init();
4d3b6f6e	452
fedf0d35	453	dcl = g_new0(DisplayChangeListener, 1);
7c20b4a3	454	dcl->ops = &dcl_ops;
5209089f	455	register_displaychangelistener(dcl);
4d3b6f6e AZ	456
4d3b6f6e AZ	457	invalidate = 1;
4d3b6f6e	458	}
b0766612 GH	459
	460	static QemuDisplay qemu_display_curses = {
	461	.type = DISPLAY_TYPE_CURSES,
	462	.init = curses_display_init,
	463	};
	464
	465	static void register_curses(void)
	466	{
	467	qemu_display_register(&qemu_display_curses);
	468	}
	469
	470	type_init(register_curses);