[qemu.git] / console.h

#ifndef CONSOLE_H
#define CONSOLE_H

#include "qemu-char.h"
#include "qdict.h"
#include "notify.h"
#include "monitor.h"
#include "trace.h"

/* keyboard/mouse support */

#define MOUSE_EVENT_LBUTTON 0x01
#define MOUSE_EVENT_RBUTTON 0x02
#define MOUSE_EVENT_MBUTTON 0x04

/* identical to the ps/2 keyboard bits */
#define QEMU_SCROLL_LOCK_LED (1 << 0)
#define QEMU_NUM_LOCK_LED    (1 << 1)
#define QEMU_CAPS_LOCK_LED   (1 << 2)

/* in ms */
#define GUI_REFRESH_INTERVAL 30

typedef void QEMUPutKBDEvent(void *opaque, int keycode);
typedef void QEMUPutLEDEvent(void *opaque, int ledstate);
typedef void QEMUPutMouseEvent(void *opaque, int dx, int dy, int dz, int buttons_state);

typedef struct QEMUPutMouseEntry {
    QEMUPutMouseEvent *qemu_put_mouse_event;
    void *qemu_put_mouse_event_opaque;
    int qemu_put_mouse_event_absolute;
    char *qemu_put_mouse_event_name;

    int index;

    /* used internally by qemu for handling mice */
    QTAILQ_ENTRY(QEMUPutMouseEntry) node;
} QEMUPutMouseEntry;

typedef struct QEMUPutLEDEntry {
    QEMUPutLEDEvent *put_led;
    void *opaque;
    QTAILQ_ENTRY(QEMUPutLEDEntry) next;
} QEMUPutLEDEntry;

void qemu_add_kbd_event_handler(QEMUPutKBDEvent *func, void *opaque);
void qemu_remove_kbd_event_handler(void);
QEMUPutMouseEntry *qemu_add_mouse_event_handler(QEMUPutMouseEvent *func,
                                                void *opaque, int absolute,
                                                const char *name);
void qemu_remove_mouse_event_handler(QEMUPutMouseEntry *entry);
void qemu_activate_mouse_event_handler(QEMUPutMouseEntry *entry);

QEMUPutLEDEntry *qemu_add_led_event_handler(QEMUPutLEDEvent *func, void *opaque);
void qemu_remove_led_event_handler(QEMUPutLEDEntry *entry);

void kbd_put_keycode(int keycode);
void kbd_put_ledstate(int ledstate);
void kbd_mouse_event(int dx, int dy, int dz, int buttons_state);

/* Does the current mouse generate absolute events */
int kbd_mouse_is_absolute(void);
void qemu_add_mouse_mode_change_notifier(Notifier *notify);
void qemu_remove_mouse_mode_change_notifier(Notifier *notify);

/* Of all the mice, is there one that generates absolute events */
int kbd_mouse_has_absolute(void);

struct MouseTransformInfo {
    /* Touchscreen resolution */
    int x;
    int y;
    /* Calibration values as used/generated by tslib */
    int a[7];
};

void do_mouse_set(Monitor *mon, const QDict *qdict);

/* keysym is a unicode code except for special keys (see QEMU_KEY_xxx
   constants) */
#define QEMU_KEY_ESC1(c) ((c) | 0xe100)
#define QEMU_KEY_BACKSPACE  0x007f
#define QEMU_KEY_UP         QEMU_KEY_ESC1('A')
#define QEMU_KEY_DOWN       QEMU_KEY_ESC1('B')
#define QEMU_KEY_RIGHT      QEMU_KEY_ESC1('C')
#define QEMU_KEY_LEFT       QEMU_KEY_ESC1('D')
#define QEMU_KEY_HOME       QEMU_KEY_ESC1(1)
#define QEMU_KEY_END        QEMU_KEY_ESC1(4)
#define QEMU_KEY_PAGEUP     QEMU_KEY_ESC1(5)
#define QEMU_KEY_PAGEDOWN   QEMU_KEY_ESC1(6)
#define QEMU_KEY_DELETE     QEMU_KEY_ESC1(3)

#define QEMU_KEY_CTRL_UP         0xe400
#define QEMU_KEY_CTRL_DOWN       0xe401
#define QEMU_KEY_CTRL_LEFT       0xe402
#define QEMU_KEY_CTRL_RIGHT      0xe403
#define QEMU_KEY_CTRL_HOME       0xe404
#define QEMU_KEY_CTRL_END        0xe405
#define QEMU_KEY_CTRL_PAGEUP     0xe406
#define QEMU_KEY_CTRL_PAGEDOWN   0xe407

void kbd_put_keysym(int keysym);

/* consoles */

#define QEMU_BIG_ENDIAN_FLAG    0x01
#define QEMU_ALLOCATED_FLAG     0x02
#define QEMU_REALPIXELS_FLAG    0x04

struct PixelFormat {
    uint8_t bits_per_pixel;
    uint8_t bytes_per_pixel;
    uint8_t depth; /* color depth in bits */
    uint32_t rmask, gmask, bmask, amask;
    uint8_t rshift, gshift, bshift, ashift;
    uint8_t rmax, gmax, bmax, amax;
    uint8_t rbits, gbits, bbits, abits;
};

struct DisplaySurface {
    uint8_t flags;
    int width;
    int height;
    int linesize;        /* bytes per line */
    uint8_t *data;

    struct PixelFormat pf;
};

/* cursor data format is 32bit RGBA */
typedef struct QEMUCursor {
    int                 width, height;
    int                 hot_x, hot_y;
    int                 refcount;
    uint32_t            data[];
} QEMUCursor;

QEMUCursor *cursor_alloc(int width, int height);
void cursor_get(QEMUCursor *c);
void cursor_put(QEMUCursor *c);
QEMUCursor *cursor_builtin_hidden(void);
QEMUCursor *cursor_builtin_left_ptr(void);
void cursor_print_ascii_art(QEMUCursor *c, const char *prefix);
int cursor_get_mono_bpl(QEMUCursor *c);
void cursor_set_mono(QEMUCursor *c,
                     uint32_t foreground, uint32_t background, uint8_t *image,
                     int transparent, uint8_t *mask);
void cursor_get_mono_image(QEMUCursor *c, int foreground, uint8_t *mask);
void cursor_get_mono_mask(QEMUCursor *c, int transparent, uint8_t *mask);

struct DisplayChangeListener {
    int idle;
    uint64_t gui_timer_interval;

    void (*dpy_update)(struct DisplayState *s, int x, int y, int w, int h);
    void (*dpy_resize)(struct DisplayState *s);
    void (*dpy_setdata)(struct DisplayState *s);
    void (*dpy_refresh)(struct DisplayState *s);
    void (*dpy_copy)(struct DisplayState *s, int src_x, int src_y,
                     int dst_x, int dst_y, int w, int h);
    void (*dpy_fill)(struct DisplayState *s, int x, int y,
                     int w, int h, uint32_t c);
    void (*dpy_text_cursor)(struct DisplayState *s, int x, int y);

    struct DisplayChangeListener *next;
};

struct DisplayAllocator {
    DisplaySurface* (*create_displaysurface)(int width, int height);
    DisplaySurface* (*resize_displaysurface)(DisplaySurface *surface, int width, int height);
    void (*free_displaysurface)(DisplaySurface *surface);
};

struct DisplayState {
    struct DisplaySurface *surface;
    void *opaque;
    struct QEMUTimer *gui_timer;

    struct DisplayAllocator* allocator;
    struct DisplayChangeListener* listeners;

    void (*mouse_set)(int x, int y, int on);
    void (*cursor_define)(QEMUCursor *cursor);

    struct DisplayState *next;
};

void register_displaystate(DisplayState *ds);
DisplayState *get_displaystate(void);
DisplaySurface* qemu_create_displaysurface_from(int width, int height, int bpp,
                                                int linesize, uint8_t *data);
void qemu_alloc_display(DisplaySurface *surface, int width, int height,
                        int linesize, PixelFormat pf, int newflags);
PixelFormat qemu_different_endianness_pixelformat(int bpp);
PixelFormat qemu_default_pixelformat(int bpp);

DisplayAllocator *register_displayallocator(DisplayState *ds, DisplayAllocator *da);

static inline DisplaySurface* qemu_create_displaysurface(DisplayState *ds, int width, int height)
{
    return ds->allocator->create_displaysurface(width, height);    
}

static inline DisplaySurface* qemu_resize_displaysurface(DisplayState *ds, int width, int height)
{
    trace_displaysurface_resize(ds, ds->surface, width, height);
    return ds->allocator->resize_displaysurface(ds->surface, width, height);
}

static inline void qemu_free_displaysurface(DisplayState *ds)
{
    trace_displaysurface_free(ds, ds->surface);
    ds->allocator->free_displaysurface(ds->surface);
}

static inline int is_surface_bgr(DisplaySurface *surface)
{
    if (surface->pf.bits_per_pixel == 32 && surface->pf.rshift == 0)
        return 1;
    else
        return 0;
}

static inline int is_buffer_shared(DisplaySurface *surface)
{
    return (!(surface->flags & QEMU_ALLOCATED_FLAG) &&
            !(surface->flags & QEMU_REALPIXELS_FLAG));
}

static inline void register_displaychangelistener(DisplayState *ds, DisplayChangeListener *dcl)
{
    dcl->next = ds->listeners;
    ds->listeners = dcl;
}

static inline void dpy_update(DisplayState *s, int x, int y, int w, int h)
{
    struct DisplayChangeListener *dcl = s->listeners;
    while (dcl != NULL) {
        dcl->dpy_update(s, x, y, w, h);
        dcl = dcl->next;
    }
}

static inline void dpy_resize(DisplayState *s)
{
    struct DisplayChangeListener *dcl = s->listeners;
    while (dcl != NULL) {
        dcl->dpy_resize(s);
        dcl = dcl->next;
    }
}

static inline void dpy_setdata(DisplayState *s)
{
    struct DisplayChangeListener *dcl = s->listeners;
    while (dcl != NULL) {
        if (dcl->dpy_setdata) dcl->dpy_setdata(s);
        dcl = dcl->next;
    }
}

static inline void dpy_refresh(DisplayState *s)
{
    struct DisplayChangeListener *dcl = s->listeners;
    while (dcl != NULL) {
        if (dcl->dpy_refresh) dcl->dpy_refresh(s);
        dcl = dcl->next;
    }
}

static inline void dpy_copy(struct DisplayState *s, int src_x, int src_y,
                             int dst_x, int dst_y, int w, int h) {
    struct DisplayChangeListener *dcl = s->listeners;
    while (dcl != NULL) {
        if (dcl->dpy_copy)
            dcl->dpy_copy(s, src_x, src_y, dst_x, dst_y, w, h);
        else /* TODO */
            dcl->dpy_update(s, dst_x, dst_y, w, h);
        dcl = dcl->next;
    }
}

static inline void dpy_fill(struct DisplayState *s, int x, int y,
                             int w, int h, uint32_t c) {
    struct DisplayChangeListener *dcl = s->listeners;
    while (dcl != NULL) {
        if (dcl->dpy_fill) dcl->dpy_fill(s, x, y, w, h, c);
        dcl = dcl->next;
    }
}

static inline void dpy_cursor(struct DisplayState *s, int x, int y) {
    struct DisplayChangeListener *dcl = s->listeners;
    while (dcl != NULL) {
        if (dcl->dpy_text_cursor) dcl->dpy_text_cursor(s, x, y);
        dcl = dcl->next;
    }
}

static inline int ds_get_linesize(DisplayState *ds)
{
    return ds->surface->linesize;
}

static inline uint8_t* ds_get_data(DisplayState *ds)
{
    return ds->surface->data;
}

static inline int ds_get_width(DisplayState *ds)
{
    return ds->surface->width;
}

static inline int ds_get_height(DisplayState *ds)
{
    return ds->surface->height;
}

static inline int ds_get_bits_per_pixel(DisplayState *ds)
{
    return ds->surface->pf.bits_per_pixel;
}

static inline int ds_get_bytes_per_pixel(DisplayState *ds)
{
    return ds->surface->pf.bytes_per_pixel;
}

#ifdef CONFIG_CURSES
#include <curses.h>
typedef chtype console_ch_t;
#else
typedef unsigned long console_ch_t;
#endif
static inline void console_write_ch(console_ch_t *dest, uint32_t ch)
{
    if (!(ch & 0xff))
        ch |= ' ';
    *dest = ch;
}

typedef void (*vga_hw_update_ptr)(void *);
typedef void (*vga_hw_invalidate_ptr)(void *);
typedef void (*vga_hw_screen_dump_ptr)(void *, const char *, bool cswitch);
typedef void (*vga_hw_text_update_ptr)(void *, console_ch_t *);

DisplayState *graphic_console_init(vga_hw_update_ptr update,
                                   vga_hw_invalidate_ptr invalidate,
                                   vga_hw_screen_dump_ptr screen_dump,
                                   vga_hw_text_update_ptr text_update,
                                   void *opaque);

void vga_hw_update(void);
void vga_hw_invalidate(void);
void vga_hw_screen_dump(const char *filename);
void vga_hw_text_update(console_ch_t *chardata);

int is_graphic_console(void);
int is_fixedsize_console(void);
CharDriverState *text_console_init(QemuOpts *opts);
void text_consoles_set_display(DisplayState *ds);
void console_select(unsigned int index);
void console_color_init(DisplayState *ds);
void qemu_console_resize(DisplayState *ds, int width, int height);
void qemu_console_copy(DisplayState *ds, int src_x, int src_y,
                       int dst_x, int dst_y, int w, int h);

/* sdl.c */
void sdl_display_init(DisplayState *ds, int full_screen, int no_frame);

/* cocoa.m */
void cocoa_display_init(DisplayState *ds, int full_screen);

/* vnc.c */
void vnc_display_init(DisplayState *ds);
void vnc_display_close(DisplayState *ds);
int vnc_display_open(DisplayState *ds, const char *display);
void vnc_display_add_client(DisplayState *ds, int csock, int skipauth);
int vnc_display_disable_login(DisplayState *ds);
char *vnc_display_local_addr(DisplayState *ds);
#ifdef CONFIG_VNC
int vnc_display_password(DisplayState *ds, const char *password);
int vnc_display_pw_expire(DisplayState *ds, time_t expires);
#else
static inline int vnc_display_password(DisplayState *ds, const char *password)
{
    return -ENODEV;
}
static inline int vnc_display_pw_expire(DisplayState *ds, time_t expires)
{
    return -ENODEV;
};
#endif

/* curses.c */
void curses_display_init(DisplayState *ds, int full_screen);

#endif
Commit	Line	Data
	1	#ifndef CONSOLE_H
	2	#define CONSOLE_H
	3
	4	#include "qemu-char.h"
	5	#include "qdict.h"
	6	#include "notify.h"
	7	#include "monitor.h"
	8	#include "trace.h"
	9
	10	/* keyboard/mouse support */
	11
	12	#define MOUSE_EVENT_LBUTTON 0x01
	13	#define MOUSE_EVENT_RBUTTON 0x02
	14	#define MOUSE_EVENT_MBUTTON 0x04
	15
	16	/* identical to the ps/2 keyboard bits */
	17	#define QEMU_SCROLL_LOCK_LED (1 << 0)
	18	#define QEMU_NUM_LOCK_LED (1 << 1)
	19	#define QEMU_CAPS_LOCK_LED (1 << 2)
	20
	21	/* in ms */
	22	#define GUI_REFRESH_INTERVAL 30
	23
	24	typedef void QEMUPutKBDEvent(void *opaque, int keycode);
	25	typedef void QEMUPutLEDEvent(void *opaque, int ledstate);
	26	typedef void QEMUPutMouseEvent(void *opaque, int dx, int dy, int dz, int buttons_state);
	27
	28	typedef struct QEMUPutMouseEntry {
	29	QEMUPutMouseEvent *qemu_put_mouse_event;
	30	void *qemu_put_mouse_event_opaque;
	31	int qemu_put_mouse_event_absolute;
	32	char *qemu_put_mouse_event_name;
	33
	34	int index;
	35
	36	/* used internally by qemu for handling mice */
	37	QTAILQ_ENTRY(QEMUPutMouseEntry) node;
	38	} QEMUPutMouseEntry;
	39
	40	typedef struct QEMUPutLEDEntry {
	41	QEMUPutLEDEvent *put_led;
	42	void *opaque;
	43	QTAILQ_ENTRY(QEMUPutLEDEntry) next;
	44	} QEMUPutLEDEntry;
	45
	46	void qemu_add_kbd_event_handler(QEMUPutKBDEvent func, void opaque);
	47	void qemu_remove_kbd_event_handler(void);
	48	QEMUPutMouseEntry qemu_add_mouse_event_handler(QEMUPutMouseEvent func,
	49	void *opaque, int absolute,
	50	const char *name);
	51	void qemu_remove_mouse_event_handler(QEMUPutMouseEntry *entry);
	52	void qemu_activate_mouse_event_handler(QEMUPutMouseEntry *entry);
	53
	54	QEMUPutLEDEntry qemu_add_led_event_handler(QEMUPutLEDEvent func, void *opaque);
	55	void qemu_remove_led_event_handler(QEMUPutLEDEntry *entry);
	56
	57	void kbd_put_keycode(int keycode);
	58	void kbd_put_ledstate(int ledstate);
	59	void kbd_mouse_event(int dx, int dy, int dz, int buttons_state);
	60
	61	/* Does the current mouse generate absolute events */
	62	int kbd_mouse_is_absolute(void);
	63	void qemu_add_mouse_mode_change_notifier(Notifier *notify);
	64	void qemu_remove_mouse_mode_change_notifier(Notifier *notify);
	65
	66	/* Of all the mice, is there one that generates absolute events */
	67	int kbd_mouse_has_absolute(void);
	68
	69	struct MouseTransformInfo {
	70	/* Touchscreen resolution */
	71	int x;
	72	int y;
	73	/* Calibration values as used/generated by tslib */
	74	int a[7];
	75	};
	76
	77	void do_mouse_set(Monitor mon, const QDict qdict);
	78
	79	/* keysym is a unicode code except for special keys (see QEMU_KEY_xxx
	80	constants) */
	81	#define QEMU_KEY_ESC1(c) ((c) \| 0xe100)
	82	#define QEMU_KEY_BACKSPACE 0x007f
	83	#define QEMU_KEY_UP QEMU_KEY_ESC1('A')
	84	#define QEMU_KEY_DOWN QEMU_KEY_ESC1('B')
	85	#define QEMU_KEY_RIGHT QEMU_KEY_ESC1('C')
	86	#define QEMU_KEY_LEFT QEMU_KEY_ESC1('D')
	87	#define QEMU_KEY_HOME QEMU_KEY_ESC1(1)
	88	#define QEMU_KEY_END QEMU_KEY_ESC1(4)
	89	#define QEMU_KEY_PAGEUP QEMU_KEY_ESC1(5)
	90	#define QEMU_KEY_PAGEDOWN QEMU_KEY_ESC1(6)
	91	#define QEMU_KEY_DELETE QEMU_KEY_ESC1(3)
	92
	93	#define QEMU_KEY_CTRL_UP 0xe400
	94	#define QEMU_KEY_CTRL_DOWN 0xe401
	95	#define QEMU_KEY_CTRL_LEFT 0xe402
	96	#define QEMU_KEY_CTRL_RIGHT 0xe403
	97	#define QEMU_KEY_CTRL_HOME 0xe404
	98	#define QEMU_KEY_CTRL_END 0xe405
	99	#define QEMU_KEY_CTRL_PAGEUP 0xe406
	100	#define QEMU_KEY_CTRL_PAGEDOWN 0xe407
	101
	102	void kbd_put_keysym(int keysym);
	103
	104	/* consoles */
	105
	106	#define QEMU_BIG_ENDIAN_FLAG 0x01
	107	#define QEMU_ALLOCATED_FLAG 0x02
	108	#define QEMU_REALPIXELS_FLAG 0x04
	109
	110	struct PixelFormat {
	111	uint8_t bits_per_pixel;
	112	uint8_t bytes_per_pixel;
	113	uint8_t depth; /* color depth in bits */
	114	uint32_t rmask, gmask, bmask, amask;
	115	uint8_t rshift, gshift, bshift, ashift;
	116	uint8_t rmax, gmax, bmax, amax;
	117	uint8_t rbits, gbits, bbits, abits;
	118	};
	119
	120	struct DisplaySurface {
	121	uint8_t flags;
	122	int width;
	123	int height;
	124	int linesize; /* bytes per line */
	125	uint8_t *data;
	126
	127	struct PixelFormat pf;
	128	};
	129
	130	/* cursor data format is 32bit RGBA */
	131	typedef struct QEMUCursor {
	132	int width, height;
	133	int hot_x, hot_y;
	134	int refcount;
	135	uint32_t data[];
	136	} QEMUCursor;
	137
	138	QEMUCursor *cursor_alloc(int width, int height);
	139	void cursor_get(QEMUCursor *c);
	140	void cursor_put(QEMUCursor *c);
	141	QEMUCursor *cursor_builtin_hidden(void);
	142	QEMUCursor *cursor_builtin_left_ptr(void);
	143	void cursor_print_ascii_art(QEMUCursor c, const char prefix);
	144	int cursor_get_mono_bpl(QEMUCursor *c);
	145	void cursor_set_mono(QEMUCursor *c,
	146	uint32_t foreground, uint32_t background, uint8_t *image,
	147	int transparent, uint8_t *mask);
	148	void cursor_get_mono_image(QEMUCursor c, int foreground, uint8_t mask);
	149	void cursor_get_mono_mask(QEMUCursor c, int transparent, uint8_t mask);
	150
	151	struct DisplayChangeListener {
	152	int idle;
	153	uint64_t gui_timer_interval;
	154
	155	void (dpy_update)(struct DisplayState s, int x, int y, int w, int h);
	156	void (dpy_resize)(struct DisplayState s);
	157	void (dpy_setdata)(struct DisplayState s);
	158	void (dpy_refresh)(struct DisplayState s);
	159	void (dpy_copy)(struct DisplayState s, int src_x, int src_y,
	160	int dst_x, int dst_y, int w, int h);
	161	void (dpy_fill)(struct DisplayState s, int x, int y,
	162	int w, int h, uint32_t c);
	163	void (dpy_text_cursor)(struct DisplayState s, int x, int y);
	164
	165	struct DisplayChangeListener *next;
	166	};
	167
	168	struct DisplayAllocator {
	169	DisplaySurface* (*create_displaysurface)(int width, int height);
	170	DisplaySurface* (resize_displaysurface)(DisplaySurface surface, int width, int height);
	171	void (free_displaysurface)(DisplaySurface surface);
	172	};
	173
	174	struct DisplayState {
	175	struct DisplaySurface *surface;
	176	void *opaque;
	177	struct QEMUTimer *gui_timer;
	178
	179	struct DisplayAllocator* allocator;
	180	struct DisplayChangeListener* listeners;
	181
	182	void (*mouse_set)(int x, int y, int on);
	183	void (cursor_define)(QEMUCursor cursor);
	184
	185	struct DisplayState *next;
	186	};
	187
	188	void register_displaystate(DisplayState *ds);
	189	DisplayState *get_displaystate(void);
	190	DisplaySurface* qemu_create_displaysurface_from(int width, int height, int bpp,
	191	int linesize, uint8_t *data);
	192	void qemu_alloc_display(DisplaySurface *surface, int width, int height,
	193	int linesize, PixelFormat pf, int newflags);
	194	PixelFormat qemu_different_endianness_pixelformat(int bpp);
	195	PixelFormat qemu_default_pixelformat(int bpp);
	196
	197	DisplayAllocator register_displayallocator(DisplayState ds, DisplayAllocator *da);
	198
	199	static inline DisplaySurface* qemu_create_displaysurface(DisplayState *ds, int width, int height)
	200	{
	201	return ds->allocator->create_displaysurface(width, height);
	202	}
	203
	204	static inline DisplaySurface* qemu_resize_displaysurface(DisplayState *ds, int width, int height)
	205	{
	206	trace_displaysurface_resize(ds, ds->surface, width, height);
	207	return ds->allocator->resize_displaysurface(ds->surface, width, height);
	208	}
	209
	210	static inline void qemu_free_displaysurface(DisplayState *ds)
	211	{
	212	trace_displaysurface_free(ds, ds->surface);
	213	ds->allocator->free_displaysurface(ds->surface);
	214	}
	215
	216	static inline int is_surface_bgr(DisplaySurface *surface)
	217	{
	218	if (surface->pf.bits_per_pixel == 32 && surface->pf.rshift == 0)
	219	return 1;
	220	else
	221	return 0;
	222	}
	223
	224	static inline int is_buffer_shared(DisplaySurface *surface)
	225	{
	226	return (!(surface->flags & QEMU_ALLOCATED_FLAG) &&
	227	!(surface->flags & QEMU_REALPIXELS_FLAG));
	228	}
	229
	230	static inline void register_displaychangelistener(DisplayState ds, DisplayChangeListener dcl)
	231	{
	232	dcl->next = ds->listeners;
	233	ds->listeners = dcl;
	234	}
	235
	236	static inline void dpy_update(DisplayState *s, int x, int y, int w, int h)
	237	{
	238	struct DisplayChangeListener *dcl = s->listeners;
	239	while (dcl != NULL) {
	240	dcl->dpy_update(s, x, y, w, h);
	241	dcl = dcl->next;
	242	}
	243	}
	244
	245	static inline void dpy_resize(DisplayState *s)
	246	{
	247	struct DisplayChangeListener *dcl = s->listeners;
	248	while (dcl != NULL) {
	249	dcl->dpy_resize(s);
	250	dcl = dcl->next;
	251	}
	252	}
	253
	254	static inline void dpy_setdata(DisplayState *s)
	255	{
	256	struct DisplayChangeListener *dcl = s->listeners;
	257	while (dcl != NULL) {
	258	if (dcl->dpy_setdata) dcl->dpy_setdata(s);
	259	dcl = dcl->next;
	260	}
	261	}
	262
	263	static inline void dpy_refresh(DisplayState *s)
	264	{
	265	struct DisplayChangeListener *dcl = s->listeners;
	266	while (dcl != NULL) {
	267	if (dcl->dpy_refresh) dcl->dpy_refresh(s);
	268	dcl = dcl->next;
	269	}
	270	}
	271
	272	static inline void dpy_copy(struct DisplayState *s, int src_x, int src_y,
	273	int dst_x, int dst_y, int w, int h) {
	274	struct DisplayChangeListener *dcl = s->listeners;
	275	while (dcl != NULL) {
	276	if (dcl->dpy_copy)
	277	dcl->dpy_copy(s, src_x, src_y, dst_x, dst_y, w, h);
	278	else /* TODO */
	279	dcl->dpy_update(s, dst_x, dst_y, w, h);
	280	dcl = dcl->next;
	281	}
	282	}
	283
	284	static inline void dpy_fill(struct DisplayState *s, int x, int y,
	285	int w, int h, uint32_t c) {
	286	struct DisplayChangeListener *dcl = s->listeners;
	287	while (dcl != NULL) {
	288	if (dcl->dpy_fill) dcl->dpy_fill(s, x, y, w, h, c);
	289	dcl = dcl->next;
	290	}
	291	}
	292
	293	static inline void dpy_cursor(struct DisplayState *s, int x, int y) {
	294	struct DisplayChangeListener *dcl = s->listeners;
	295	while (dcl != NULL) {
	296	if (dcl->dpy_text_cursor) dcl->dpy_text_cursor(s, x, y);
	297	dcl = dcl->next;
	298	}
	299	}
	300
	301	static inline int ds_get_linesize(DisplayState *ds)
	302	{
	303	return ds->surface->linesize;
	304	}
	305
	306	static inline uint8_t* ds_get_data(DisplayState *ds)
	307	{
	308	return ds->surface->data;
	309	}
	310
	311	static inline int ds_get_width(DisplayState *ds)
	312	{
	313	return ds->surface->width;
	314	}
	315
	316	static inline int ds_get_height(DisplayState *ds)
	317	{
	318	return ds->surface->height;
	319	}
	320
	321	static inline int ds_get_bits_per_pixel(DisplayState *ds)
	322	{
	323	return ds->surface->pf.bits_per_pixel;
	324	}
	325
	326	static inline int ds_get_bytes_per_pixel(DisplayState *ds)
	327	{
	328	return ds->surface->pf.bytes_per_pixel;
	329	}
	330
	331	#ifdef CONFIG_CURSES
	332	#include <curses.h>
	333	typedef chtype console_ch_t;
	334	#else
	335	typedef unsigned long console_ch_t;
	336	#endif
	337	static inline void console_write_ch(console_ch_t *dest, uint32_t ch)
	338	{
	339	if (!(ch & 0xff))
	340	ch \|= ' ';
	341	*dest = ch;
	342	}
	343
	344	typedef void (vga_hw_update_ptr)(void );
	345	typedef void (vga_hw_invalidate_ptr)(void );
	346	typedef void (vga_hw_screen_dump_ptr)(void , const char *, bool cswitch);
	347	typedef void (vga_hw_text_update_ptr)(void , console_ch_t *);
	348
	349	DisplayState *graphic_console_init(vga_hw_update_ptr update,
	350	vga_hw_invalidate_ptr invalidate,
	351	vga_hw_screen_dump_ptr screen_dump,
	352	vga_hw_text_update_ptr text_update,
	353	void *opaque);
	354
	355	void vga_hw_update(void);
	356	void vga_hw_invalidate(void);
	357	void vga_hw_screen_dump(const char *filename);
	358	void vga_hw_text_update(console_ch_t *chardata);
	359
	360	int is_graphic_console(void);
	361	int is_fixedsize_console(void);
	362	CharDriverState text_console_init(QemuOpts opts);
	363	void text_consoles_set_display(DisplayState *ds);
	364	void console_select(unsigned int index);
	365	void console_color_init(DisplayState *ds);
	366	void qemu_console_resize(DisplayState *ds, int width, int height);
	367	void qemu_console_copy(DisplayState *ds, int src_x, int src_y,
	368	int dst_x, int dst_y, int w, int h);
	369
	370	/* sdl.c */
	371	void sdl_display_init(DisplayState *ds, int full_screen, int no_frame);
	372
	373	/* cocoa.m */
	374	void cocoa_display_init(DisplayState *ds, int full_screen);
	375
	376	/* vnc.c */
	377	void vnc_display_init(DisplayState *ds);
	378	void vnc_display_close(DisplayState *ds);
	379	int vnc_display_open(DisplayState ds, const char display);
	380	void vnc_display_add_client(DisplayState *ds, int csock, int skipauth);
	381	int vnc_display_disable_login(DisplayState *ds);
	382	char vnc_display_local_addr(DisplayState ds);
	383	#ifdef CONFIG_VNC
	384	int vnc_display_password(DisplayState ds, const char password);
	385	int vnc_display_pw_expire(DisplayState *ds, time_t expires);
	386	#else
	387	static inline int vnc_display_password(DisplayState ds, const char password)
	388	{
	389	return -ENODEV;
	390	}
	391	static inline int vnc_display_pw_expire(DisplayState *ds, time_t expires)
	392	{
	393	return -ENODEV;
	394	};
	395	#endif
	396
	397	/* curses.c */
	398	void curses_display_init(DisplayState *ds, int full_screen);
	399
	400	#endif