[qemu.git] / console.h

#ifndef CONSOLE_H
#define CONSOLE_H

#include "qemu-char.h"
#include "qemu-pixman.h"
#include "qdict.h"
#include "notify.h"
#include "monitor.h"
#include "trace.h"
#include "qapi-types.h"
#include "error.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

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 {
    pixman_format_code_t format;
    pixman_image_t *image;
    uint8_t flags;

    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_refresh)(struct DisplayState *s);

    void (*dpy_gfx_update)(struct DisplayState *s, int x, int y, int w, int h);
    void (*dpy_gfx_resize)(struct DisplayState *s);
    void (*dpy_gfx_setdata)(struct DisplayState *s);
    void (*dpy_gfx_copy)(struct DisplayState *s, int src_x, int src_y,
                         int dst_x, int dst_y, int w, int h);

    void (*dpy_text_cursor)(struct DisplayState *s, int x, int y);
    void (*dpy_text_resize)(struct DisplayState *s, int w, int h);
    void (*dpy_text_update)(struct DisplayState *s, int x, int y, int w, int h);

    void (*dpy_mouse_set)(struct DisplayState *s, int x, int y, int on);
    void (*dpy_cursor_define)(struct DisplayState *s, QEMUCursor *cursor);

    QLIST_ENTRY(DisplayChangeListener) next;
};

struct DisplayState {
    struct DisplaySurface *surface;
    void *opaque;
    struct QEMUTimer *gui_timer;
    bool have_gfx;
    bool have_text;

    QLIST_HEAD(, DisplayChangeListener) listeners;

    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);
PixelFormat qemu_different_endianness_pixelformat(int bpp);
PixelFormat qemu_default_pixelformat(int bpp);

DisplaySurface *qemu_create_displaysurface(DisplayState *ds,
                                           int width, int height);
DisplaySurface *qemu_resize_displaysurface(DisplayState *ds,
                                           int width, int height);
void qemu_free_displaysurface(DisplayState *ds);

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);
}

void gui_setup_refresh(DisplayState *ds);

static inline void register_displaychangelistener(DisplayState *ds, DisplayChangeListener *dcl)
{
    QLIST_INSERT_HEAD(&ds->listeners, dcl, next);
    gui_setup_refresh(ds);
    if (dcl->dpy_gfx_resize) {
        dcl->dpy_gfx_resize(ds);
    }
}

static inline void unregister_displaychangelistener(DisplayState *ds,
                                                    DisplayChangeListener *dcl)
{
    QLIST_REMOVE(dcl, next);
    gui_setup_refresh(ds);
}

static inline void dpy_gfx_update(DisplayState *s, int x, int y, int w, int h)
{
    struct DisplayChangeListener *dcl;
    QLIST_FOREACH(dcl, &s->listeners, next) {
        if (dcl->dpy_gfx_update) {
            dcl->dpy_gfx_update(s, x, y, w, h);
        }
    }
}

static inline void dpy_gfx_resize(DisplayState *s)
{
    struct DisplayChangeListener *dcl;
    QLIST_FOREACH(dcl, &s->listeners, next) {
        if (dcl->dpy_gfx_resize) {
            dcl->dpy_gfx_resize(s);
        }
    }
}

static inline void dpy_gfx_setdata(DisplayState *s)
{
    struct DisplayChangeListener *dcl;
    QLIST_FOREACH(dcl, &s->listeners, next) {
        if (dcl->dpy_gfx_setdata) {
            dcl->dpy_gfx_setdata(s);
        }
    }
}

static inline void dpy_refresh(DisplayState *s)
{
    struct DisplayChangeListener *dcl;
    QLIST_FOREACH(dcl, &s->listeners, next) {
        if (dcl->dpy_refresh) {
            dcl->dpy_refresh(s);
        }
    }
}

static inline void dpy_gfx_copy(struct DisplayState *s, int src_x, int src_y,
                             int dst_x, int dst_y, int w, int h)
{
    struct DisplayChangeListener *dcl;
    QLIST_FOREACH(dcl, &s->listeners, next) {
        if (dcl->dpy_gfx_copy) {
            dcl->dpy_gfx_copy(s, src_x, src_y, dst_x, dst_y, w, h);
        } else { /* TODO */
            dcl->dpy_gfx_update(s, dst_x, dst_y, w, h);
        }
    }
}

static inline void dpy_text_cursor(struct DisplayState *s, int x, int y)
{
    struct DisplayChangeListener *dcl;
    QLIST_FOREACH(dcl, &s->listeners, next) {
        if (dcl->dpy_text_cursor) {
            dcl->dpy_text_cursor(s, x, y);
        }
    }
}

static inline void dpy_text_update(DisplayState *s, int x, int y, int w, int h)
{
    struct DisplayChangeListener *dcl;
    QLIST_FOREACH(dcl, &s->listeners, next) {
        if (dcl->dpy_text_update) {
            dcl->dpy_text_update(s, x, y, w, h);
        }
    }
}

static inline void dpy_text_resize(DisplayState *s, int w, int h)
{
    struct DisplayChangeListener *dcl;
    QLIST_FOREACH(dcl, &s->listeners, next) {
        if (dcl->dpy_text_resize) {
            dcl->dpy_text_resize(s, w, h);
        }
    }
}

static inline void dpy_mouse_set(struct DisplayState *s, int x, int y, int on)
{
    struct DisplayChangeListener *dcl;
    QLIST_FOREACH(dcl, &s->listeners, next) {
        if (dcl->dpy_mouse_set) {
            dcl->dpy_mouse_set(s, x, y, on);
        }
    }
}

static inline void dpy_cursor_define(struct DisplayState *s, QEMUCursor *cursor)
{
    struct DisplayChangeListener *dcl;
    QLIST_FOREACH(dcl, &s->listeners, next) {
        if (dcl->dpy_cursor_define) {
            dcl->dpy_cursor_define(s, cursor);
        }
    }
}

static inline bool dpy_cursor_define_supported(struct DisplayState *s)
{
    struct DisplayChangeListener *dcl;
    QLIST_FOREACH(dcl, &s->listeners, next) {
        if (dcl->dpy_cursor_define) {
            return true;
        }
    }
    return false;
}

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

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

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

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

static inline int ds_get_bits_per_pixel(DisplayState *ds)
{
    int bits = PIXMAN_FORMAT_BPP(ds->surface->format);
    return bits;
}

static inline int ds_get_bytes_per_pixel(DisplayState *ds)
{
    int bits = PIXMAN_FORMAT_BPP(ds->surface->format);
    return (bits + 7) / 8;
}

static inline pixman_format_code_t ds_get_format(DisplayState *ds)
{
    return ds->surface->format;
}

static inline pixman_image_t *ds_get_image(DisplayState *ds)
{
    return ds->surface->image;
}

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

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

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

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

#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,
                                       Error **errp);
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_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_open(DisplayState *ds, const char *display, Error **errp);
void vnc_display_add_client(DisplayState *ds, int csock, int skipauth);
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);

/* input.c */
int index_from_key(const char *key);
int index_from_keycode(int code);

#endif
Commit	Line	Data
	1	#ifndef CONSOLE_H
	2	#define CONSOLE_H
	3
	4	#include "qemu-char.h"
	5	#include "qemu-pixman.h"
	6	#include "qdict.h"
	7	#include "notify.h"
	8	#include "monitor.h"
	9	#include "trace.h"
	10	#include "qapi-types.h"
	11	#include "error.h"
	12
	13	/* keyboard/mouse support */
	14
	15	#define MOUSE_EVENT_LBUTTON 0x01
	16	#define MOUSE_EVENT_RBUTTON 0x02
	17	#define MOUSE_EVENT_MBUTTON 0x04
	18
	19	/* identical to the ps/2 keyboard bits */
	20	#define QEMU_SCROLL_LOCK_LED (1 << 0)
	21	#define QEMU_NUM_LOCK_LED (1 << 1)
	22	#define QEMU_CAPS_LOCK_LED (1 << 2)
	23
	24	/* in ms */
	25	#define GUI_REFRESH_INTERVAL 30
	26
	27	typedef void QEMUPutKBDEvent(void *opaque, int keycode);
	28	typedef void QEMUPutLEDEvent(void *opaque, int ledstate);
	29	typedef void QEMUPutMouseEvent(void *opaque, int dx, int dy, int dz, int buttons_state);
	30
	31	typedef struct QEMUPutMouseEntry {
	32	QEMUPutMouseEvent *qemu_put_mouse_event;
	33	void *qemu_put_mouse_event_opaque;
	34	int qemu_put_mouse_event_absolute;
	35	char *qemu_put_mouse_event_name;
	36
	37	int index;
	38
	39	/* used internally by qemu for handling mice */
	40	QTAILQ_ENTRY(QEMUPutMouseEntry) node;
	41	} QEMUPutMouseEntry;
	42
	43	typedef struct QEMUPutLEDEntry {
	44	QEMUPutLEDEvent *put_led;
	45	void *opaque;
	46	QTAILQ_ENTRY(QEMUPutLEDEntry) next;
	47	} QEMUPutLEDEntry;
	48
	49	void qemu_add_kbd_event_handler(QEMUPutKBDEvent func, void opaque);
	50	void qemu_remove_kbd_event_handler(void);
	51	QEMUPutMouseEntry qemu_add_mouse_event_handler(QEMUPutMouseEvent func,
	52	void *opaque, int absolute,
	53	const char *name);
	54	void qemu_remove_mouse_event_handler(QEMUPutMouseEntry *entry);
	55	void qemu_activate_mouse_event_handler(QEMUPutMouseEntry *entry);
	56
	57	QEMUPutLEDEntry qemu_add_led_event_handler(QEMUPutLEDEvent func, void *opaque);
	58	void qemu_remove_led_event_handler(QEMUPutLEDEntry *entry);
	59
	60	void kbd_put_keycode(int keycode);
	61	void kbd_put_ledstate(int ledstate);
	62	void kbd_mouse_event(int dx, int dy, int dz, int buttons_state);
	63
	64	/* Does the current mouse generate absolute events */
	65	int kbd_mouse_is_absolute(void);
	66	void qemu_add_mouse_mode_change_notifier(Notifier *notify);
	67	void qemu_remove_mouse_mode_change_notifier(Notifier *notify);
	68
	69	/* Of all the mice, is there one that generates absolute events */
	70	int kbd_mouse_has_absolute(void);
	71
	72	struct MouseTransformInfo {
	73	/* Touchscreen resolution */
	74	int x;
	75	int y;
	76	/* Calibration values as used/generated by tslib */
	77	int a[7];
	78	};
	79
	80	void do_mouse_set(Monitor mon, const QDict qdict);
	81
	82	/* keysym is a unicode code except for special keys (see QEMU_KEY_xxx
	83	constants) */
	84	#define QEMU_KEY_ESC1(c) ((c) \| 0xe100)
	85	#define QEMU_KEY_BACKSPACE 0x007f
	86	#define QEMU_KEY_UP QEMU_KEY_ESC1('A')
	87	#define QEMU_KEY_DOWN QEMU_KEY_ESC1('B')
	88	#define QEMU_KEY_RIGHT QEMU_KEY_ESC1('C')
	89	#define QEMU_KEY_LEFT QEMU_KEY_ESC1('D')
	90	#define QEMU_KEY_HOME QEMU_KEY_ESC1(1)
	91	#define QEMU_KEY_END QEMU_KEY_ESC1(4)
	92	#define QEMU_KEY_PAGEUP QEMU_KEY_ESC1(5)
	93	#define QEMU_KEY_PAGEDOWN QEMU_KEY_ESC1(6)
	94	#define QEMU_KEY_DELETE QEMU_KEY_ESC1(3)
	95
	96	#define QEMU_KEY_CTRL_UP 0xe400
	97	#define QEMU_KEY_CTRL_DOWN 0xe401
	98	#define QEMU_KEY_CTRL_LEFT 0xe402
	99	#define QEMU_KEY_CTRL_RIGHT 0xe403
	100	#define QEMU_KEY_CTRL_HOME 0xe404
	101	#define QEMU_KEY_CTRL_END 0xe405
	102	#define QEMU_KEY_CTRL_PAGEUP 0xe406
	103	#define QEMU_KEY_CTRL_PAGEDOWN 0xe407
	104
	105	void kbd_put_keysym(int keysym);
	106
	107	/* consoles */
	108
	109	#define QEMU_BIG_ENDIAN_FLAG 0x01
	110	#define QEMU_ALLOCATED_FLAG 0x02
	111
	112	struct PixelFormat {
	113	uint8_t bits_per_pixel;
	114	uint8_t bytes_per_pixel;
	115	uint8_t depth; /* color depth in bits */
	116	uint32_t rmask, gmask, bmask, amask;
	117	uint8_t rshift, gshift, bshift, ashift;
	118	uint8_t rmax, gmax, bmax, amax;
	119	uint8_t rbits, gbits, bbits, abits;
	120	};
	121
	122	struct DisplaySurface {
	123	pixman_format_code_t format;
	124	pixman_image_t *image;
	125	uint8_t flags;
	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_refresh)(struct DisplayState s);
	156
	157	void (dpy_gfx_update)(struct DisplayState s, int x, int y, int w, int h);
	158	void (dpy_gfx_resize)(struct DisplayState s);
	159	void (dpy_gfx_setdata)(struct DisplayState s);
	160	void (dpy_gfx_copy)(struct DisplayState s, int src_x, int src_y,
	161	int dst_x, int dst_y, int w, int h);
	162
	163	void (dpy_text_cursor)(struct DisplayState s, int x, int y);
	164	void (dpy_text_resize)(struct DisplayState s, int w, int h);
	165	void (dpy_text_update)(struct DisplayState s, int x, int y, int w, int h);
	166
	167	void (dpy_mouse_set)(struct DisplayState s, int x, int y, int on);
	168	void (dpy_cursor_define)(struct DisplayState s, QEMUCursor *cursor);
	169
	170	QLIST_ENTRY(DisplayChangeListener) next;
	171	};
	172
	173	struct DisplayState {
	174	struct DisplaySurface *surface;
	175	void *opaque;
	176	struct QEMUTimer *gui_timer;
	177	bool have_gfx;
	178	bool have_text;
	179
	180	QLIST_HEAD(, DisplayChangeListener) listeners;
	181
	182	struct DisplayState *next;
	183	};
	184
	185	void register_displaystate(DisplayState *ds);
	186	DisplayState *get_displaystate(void);
	187	DisplaySurface* qemu_create_displaysurface_from(int width, int height, int bpp,
	188	int linesize, uint8_t *data);
	189	PixelFormat qemu_different_endianness_pixelformat(int bpp);
	190	PixelFormat qemu_default_pixelformat(int bpp);
	191
	192	DisplaySurface qemu_create_displaysurface(DisplayState ds,
	193	int width, int height);
	194	DisplaySurface qemu_resize_displaysurface(DisplayState ds,
	195	int width, int height);
	196	void qemu_free_displaysurface(DisplayState *ds);
	197
	198	static inline int is_surface_bgr(DisplaySurface *surface)
	199	{
	200	if (surface->pf.bits_per_pixel == 32 && surface->pf.rshift == 0)
	201	return 1;
	202	else
	203	return 0;
	204	}
	205
	206	static inline int is_buffer_shared(DisplaySurface *surface)
	207	{
	208	return !(surface->flags & QEMU_ALLOCATED_FLAG);
	209	}
	210
	211	void gui_setup_refresh(DisplayState *ds);
	212
	213	static inline void register_displaychangelistener(DisplayState ds, DisplayChangeListener dcl)
	214	{
	215	QLIST_INSERT_HEAD(&ds->listeners, dcl, next);
	216	gui_setup_refresh(ds);
	217	if (dcl->dpy_gfx_resize) {
	218	dcl->dpy_gfx_resize(ds);
	219	}
	220	}
	221
	222	static inline void unregister_displaychangelistener(DisplayState *ds,
	223	DisplayChangeListener *dcl)
	224	{
	225	QLIST_REMOVE(dcl, next);
	226	gui_setup_refresh(ds);
	227	}
	228
	229	static inline void dpy_gfx_update(DisplayState *s, int x, int y, int w, int h)
	230	{
	231	struct DisplayChangeListener *dcl;
	232	QLIST_FOREACH(dcl, &s->listeners, next) {
	233	if (dcl->dpy_gfx_update) {
	234	dcl->dpy_gfx_update(s, x, y, w, h);
	235	}
	236	}
	237	}
	238
	239	static inline void dpy_gfx_resize(DisplayState *s)
	240	{
	241	struct DisplayChangeListener *dcl;
	242	QLIST_FOREACH(dcl, &s->listeners, next) {
	243	if (dcl->dpy_gfx_resize) {
	244	dcl->dpy_gfx_resize(s);
	245	}
	246	}
	247	}
	248
	249	static inline void dpy_gfx_setdata(DisplayState *s)
	250	{
	251	struct DisplayChangeListener *dcl;
	252	QLIST_FOREACH(dcl, &s->listeners, next) {
	253	if (dcl->dpy_gfx_setdata) {
	254	dcl->dpy_gfx_setdata(s);
	255	}
	256	}
	257	}
	258
	259	static inline void dpy_refresh(DisplayState *s)
	260	{
	261	struct DisplayChangeListener *dcl;
	262	QLIST_FOREACH(dcl, &s->listeners, next) {
	263	if (dcl->dpy_refresh) {
	264	dcl->dpy_refresh(s);
	265	}
	266	}
	267	}
	268
	269	static inline void dpy_gfx_copy(struct DisplayState *s, int src_x, int src_y,
	270	int dst_x, int dst_y, int w, int h)
	271	{
	272	struct DisplayChangeListener *dcl;
	273	QLIST_FOREACH(dcl, &s->listeners, next) {
	274	if (dcl->dpy_gfx_copy) {
	275	dcl->dpy_gfx_copy(s, src_x, src_y, dst_x, dst_y, w, h);
	276	} else { /* TODO */
	277	dcl->dpy_gfx_update(s, dst_x, dst_y, w, h);
	278	}
	279	}
	280	}
	281
	282	static inline void dpy_text_cursor(struct DisplayState *s, int x, int y)
	283	{
	284	struct DisplayChangeListener *dcl;
	285	QLIST_FOREACH(dcl, &s->listeners, next) {
	286	if (dcl->dpy_text_cursor) {
	287	dcl->dpy_text_cursor(s, x, y);
	288	}
	289	}
	290	}
	291
	292	static inline void dpy_text_update(DisplayState *s, int x, int y, int w, int h)
	293	{
	294	struct DisplayChangeListener *dcl;
	295	QLIST_FOREACH(dcl, &s->listeners, next) {
	296	if (dcl->dpy_text_update) {
	297	dcl->dpy_text_update(s, x, y, w, h);
	298	}
	299	}
	300	}
	301
	302	static inline void dpy_text_resize(DisplayState *s, int w, int h)
	303	{
	304	struct DisplayChangeListener *dcl;
	305	QLIST_FOREACH(dcl, &s->listeners, next) {
	306	if (dcl->dpy_text_resize) {
	307	dcl->dpy_text_resize(s, w, h);
	308	}
	309	}
	310	}
	311
	312	static inline void dpy_mouse_set(struct DisplayState *s, int x, int y, int on)
	313	{
	314	struct DisplayChangeListener *dcl;
	315	QLIST_FOREACH(dcl, &s->listeners, next) {
	316	if (dcl->dpy_mouse_set) {
	317	dcl->dpy_mouse_set(s, x, y, on);
	318	}
	319	}
	320	}
	321
	322	static inline void dpy_cursor_define(struct DisplayState s, QEMUCursor cursor)
	323	{
	324	struct DisplayChangeListener *dcl;
	325	QLIST_FOREACH(dcl, &s->listeners, next) {
	326	if (dcl->dpy_cursor_define) {
	327	dcl->dpy_cursor_define(s, cursor);
	328	}
	329	}
	330	}
	331
	332	static inline bool dpy_cursor_define_supported(struct DisplayState *s)
	333	{
	334	struct DisplayChangeListener *dcl;
	335	QLIST_FOREACH(dcl, &s->listeners, next) {
	336	if (dcl->dpy_cursor_define) {
	337	return true;
	338	}
	339	}
	340	return false;
	341	}
	342
	343	static inline int ds_get_linesize(DisplayState *ds)
	344	{
	345	return pixman_image_get_stride(ds->surface->image);
	346	}
	347
	348	static inline uint8_t* ds_get_data(DisplayState *ds)
	349	{
	350	return (void *)pixman_image_get_data(ds->surface->image);
	351	}
	352
	353	static inline int ds_get_width(DisplayState *ds)
	354	{
	355	return pixman_image_get_width(ds->surface->image);
	356	}
	357
	358	static inline int ds_get_height(DisplayState *ds)
	359	{
	360	return pixman_image_get_height(ds->surface->image);
	361	}
	362
	363	static inline int ds_get_bits_per_pixel(DisplayState *ds)
	364	{
	365	int bits = PIXMAN_FORMAT_BPP(ds->surface->format);
	366	return bits;
	367	}
	368
	369	static inline int ds_get_bytes_per_pixel(DisplayState *ds)
	370	{
	371	int bits = PIXMAN_FORMAT_BPP(ds->surface->format);
	372	return (bits + 7) / 8;
	373	}
	374
	375	static inline pixman_format_code_t ds_get_format(DisplayState *ds)
	376	{
	377	return ds->surface->format;
	378	}
	379
	380	static inline pixman_image_t ds_get_image(DisplayState ds)
	381	{
	382	return ds->surface->image;
	383	}
	384
	385	static inline int ds_get_depth(DisplayState *ds)
	386	{
	387	return ds->surface->pf.depth;
	388	}
	389
	390	static inline int ds_get_rmask(DisplayState *ds)
	391	{
	392	return ds->surface->pf.rmask;
	393	}
	394
	395	static inline int ds_get_gmask(DisplayState *ds)
	396	{
	397	return ds->surface->pf.gmask;
	398	}
	399
	400	static inline int ds_get_bmask(DisplayState *ds)
	401	{
	402	return ds->surface->pf.bmask;
	403	}
	404
	405	#ifdef CONFIG_CURSES
	406	#include <curses.h>
	407	typedef chtype console_ch_t;
	408	#else
	409	typedef unsigned long console_ch_t;
	410	#endif
	411	static inline void console_write_ch(console_ch_t *dest, uint32_t ch)
	412	{
	413	if (!(ch & 0xff))
	414	ch \|= ' ';
	415	*dest = ch;
	416	}
	417
	418	typedef void (vga_hw_update_ptr)(void );
	419	typedef void (vga_hw_invalidate_ptr)(void );
	420	typedef void (vga_hw_screen_dump_ptr)(void , const char *, bool cswitch,
	421	Error **errp);
	422	typedef void (vga_hw_text_update_ptr)(void , console_ch_t *);
	423
	424	DisplayState *graphic_console_init(vga_hw_update_ptr update,
	425	vga_hw_invalidate_ptr invalidate,
	426	vga_hw_screen_dump_ptr screen_dump,
	427	vga_hw_text_update_ptr text_update,
	428	void *opaque);
	429
	430	void vga_hw_update(void);
	431	void vga_hw_invalidate(void);
	432	void vga_hw_text_update(console_ch_t *chardata);
	433
	434	int is_graphic_console(void);
	435	int is_fixedsize_console(void);
	436	CharDriverState text_console_init(QemuOpts opts);
	437	void text_consoles_set_display(DisplayState *ds);
	438	void console_select(unsigned int index);
	439	void console_color_init(DisplayState *ds);
	440	void qemu_console_resize(DisplayState *ds, int width, int height);
	441	void qemu_console_copy(DisplayState *ds, int src_x, int src_y,
	442	int dst_x, int dst_y, int w, int h);
	443
	444	/* sdl.c */
	445	void sdl_display_init(DisplayState *ds, int full_screen, int no_frame);
	446
	447	/* cocoa.m */
	448	void cocoa_display_init(DisplayState *ds, int full_screen);
	449
	450	/* vnc.c */
	451	void vnc_display_init(DisplayState *ds);
	452	void vnc_display_open(DisplayState ds, const char display, Error **errp);
	453	void vnc_display_add_client(DisplayState *ds, int csock, int skipauth);
	454	char vnc_display_local_addr(DisplayState ds);
	455	#ifdef CONFIG_VNC
	456	int vnc_display_password(DisplayState ds, const char password);
	457	int vnc_display_pw_expire(DisplayState *ds, time_t expires);
	458	#else
	459	static inline int vnc_display_password(DisplayState ds, const char password)
	460	{
	461	return -ENODEV;
	462	}
	463	static inline int vnc_display_pw_expire(DisplayState *ds, time_t expires)
	464	{
	465	return -ENODEV;
	466	};
	467	#endif
	468
	469	/* curses.c */
	470	void curses_display_init(DisplayState *ds, int full_screen);
	471
	472	/* input.c */
	473	int index_from_key(const char *key);
	474	int index_from_keycode(int code);
	475
	476	#endif