include/ui/console.h - qemu - Git at Google

 #ifndef CONSOLE_H
 #define CONSOLE_H

 #include "ui/qemu-pixman.h"
 #include "qom/object.h"
 #include "qapi/qmp/qdict.h"
 #include "qemu/notify.h"
 #include "monitor/monitor.h"
 #include "qapi-types.h"
 #include "qapi/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_DEFAULT    30
 #define GUI_REFRESH_INTERVAL_IDLE     3000

 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 QEMUPutMouseEntry;
 typedef struct QEMUPutKbdEntry QEMUPutKbdEntry;
 typedef struct QEMUPutLEDEntry QEMUPutLEDEntry;

 QEMUPutKbdEntry *qemu_add_kbd_event_handler(QEMUPutKBDEvent *func,
                                             void *opaque);
 void qemu_remove_kbd_event_handler(QEMUPutKbdEntry *entry);
 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 TYPE_QEMU_CONSOLE "qemu-console"
 #define QEMU_CONSOLE(obj) \
     OBJECT_CHECK(QemuConsole, (obj), TYPE_QEMU_CONSOLE)
 #define QEMU_CONSOLE_GET_CLASS(obj) \
     OBJECT_GET_CLASS(QemuConsoleClass, (obj), TYPE_QEMU_CONSOLE)
 #define QEMU_CONSOLE_CLASS(klass) \
     OBJECT_CLASS_CHECK(QemuConsoleClass, (klass), TYPE_QEMU_CONSOLE)

 typedef struct QemuConsoleClass QemuConsoleClass;

 struct QemuConsoleClass {
     ObjectClass parent_class;
 };

 #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);

 typedef struct DisplayChangeListenerOps {
     const char *dpy_name;

     void (*dpy_refresh)(DisplayChangeListener *dcl);

     void (*dpy_gfx_update)(DisplayChangeListener *dcl,
                            int x, int y, int w, int h);
     void (*dpy_gfx_switch)(DisplayChangeListener *dcl,
                            struct DisplaySurface *new_surface);
     void (*dpy_gfx_copy)(DisplayChangeListener *dcl,
                          int src_x, int src_y,
                          int dst_x, int dst_y, int w, int h);

     void (*dpy_text_cursor)(DisplayChangeListener *dcl,
                             int x, int y);
     void (*dpy_text_resize)(DisplayChangeListener *dcl,
                             int w, int h);
     void (*dpy_text_update)(DisplayChangeListener *dcl,
                             int x, int y, int w, int h);

     void (*dpy_mouse_set)(DisplayChangeListener *dcl,
                           int x, int y, int on);
     void (*dpy_cursor_define)(DisplayChangeListener *dcl,
                               QEMUCursor *cursor);
 } DisplayChangeListenerOps;

 struct DisplayChangeListener {
     uint64_t update_interval;
     const DisplayChangeListenerOps *ops;
     DisplayState *ds;
     QemuConsole *con;

     QLIST_ENTRY(DisplayChangeListener) next;
 };

 DisplayState *init_displaystate(void);
 DisplaySurface* qemu_create_displaysurface_from(int width, int height, int bpp,
                                                 int linesize, uint8_t *data,
                                                 bool byteswap);
 PixelFormat qemu_different_endianness_pixelformat(int bpp);
 PixelFormat qemu_default_pixelformat(int bpp);

 DisplaySurface *qemu_create_displaysurface(int width, int height);
 void qemu_free_displaysurface(DisplaySurface *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);
 }

 void register_displaychangelistener(DisplayChangeListener *dcl);
 void update_displaychangelistener(DisplayChangeListener *dcl,
                                   uint64_t interval);
 void unregister_displaychangelistener(DisplayChangeListener *dcl);

 void dpy_gfx_update(QemuConsole *con, int x, int y, int w, int h);
 void dpy_gfx_replace_surface(QemuConsole *con,
                              DisplaySurface *surface);
 void dpy_gfx_copy(QemuConsole *con, int src_x, int src_y,
                   int dst_x, int dst_y, int w, int h);
 void dpy_text_cursor(QemuConsole *con, int x, int y);
 void dpy_text_update(QemuConsole *con, int x, int y, int w, int h);
 void dpy_text_resize(QemuConsole *con, int w, int h);
 void dpy_mouse_set(QemuConsole *con, int x, int y, int on);
 void dpy_cursor_define(QemuConsole *con, QEMUCursor *cursor);
 bool dpy_cursor_define_supported(QemuConsole *con);

 static inline int surface_stride(DisplaySurface *s)
 {
     return pixman_image_get_stride(s->image);
 }

 static inline void *surface_data(DisplaySurface *s)
 {
     return pixman_image_get_data(s->image);
 }

 static inline int surface_width(DisplaySurface *s)
 {
     return pixman_image_get_width(s->image);
 }

 static inline int surface_height(DisplaySurface *s)
 {
     return pixman_image_get_height(s->image);
 }

 static inline int surface_bits_per_pixel(DisplaySurface *s)
 {
     int bits = PIXMAN_FORMAT_BPP(s->format);
     return bits;
 }

 static inline int surface_bytes_per_pixel(DisplaySurface *s)
 {
     int bits = PIXMAN_FORMAT_BPP(s->format);
     return (bits + 7) / 8;
 }

 #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 struct GraphicHwOps {
     void (*invalidate)(void *opaque);
     void (*gfx_update)(void *opaque);
     void (*text_update)(void *opaque, console_ch_t *text);
     void (*update_interval)(void *opaque, uint64_t interval);
 } GraphicHwOps;

 QemuConsole *graphic_console_init(DeviceState *dev,
                                   const GraphicHwOps *ops,
                                   void *opaque);

 void graphic_hw_update(QemuConsole *con);
 void graphic_hw_invalidate(QemuConsole *con);
 void graphic_hw_text_update(QemuConsole *con, console_ch_t *chardata);

 QemuConsole *qemu_console_lookup_by_index(unsigned int index);
 QemuConsole *qemu_console_lookup_by_device(DeviceState *dev);
 bool qemu_console_is_visible(QemuConsole *con);
 bool qemu_console_is_graphic(QemuConsole *con);
 bool qemu_console_is_fixedsize(QemuConsole *con);

 void text_consoles_set_display(DisplayState *ds);
 void console_select(unsigned int index);
 void console_color_init(DisplayState *ds);
 void qemu_console_resize(QemuConsole *con, int width, int height);
 void qemu_console_copy(QemuConsole *con, int src_x, int src_y,
                        int dst_x, int dst_y, int w, int h);
 DisplaySurface *qemu_console_surface(QemuConsole *con);
 DisplayState *qemu_console_displaystate(QemuConsole *console);

 typedef CharDriverState *(VcHandler)(ChardevVC *vc);

 CharDriverState *vc_init(ChardevVC *vc);
 void register_vc_handler(VcHandler *handler);

 /* 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, bool 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);

 /* gtk.c */
 void early_gtk_display_init(void);
 void gtk_display_init(DisplayState *ds, bool full_screen);

 #endif
	#ifndef CONSOLE_H
	#define CONSOLE_H

	#include "ui/qemu-pixman.h"
	#include "qom/object.h"
	#include "qapi/qmp/qdict.h"
	#include "qemu/notify.h"
	#include "monitor/monitor.h"
	#include "qapi-types.h"
	#include "qapi/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_DEFAULT 30
	#define GUI_REFRESH_INTERVAL_IDLE 3000

	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 QEMUPutMouseEntry;
	typedef struct QEMUPutKbdEntry QEMUPutKbdEntry;
	typedef struct QEMUPutLEDEntry QEMUPutLEDEntry;

	QEMUPutKbdEntry qemu_add_kbd_event_handler(QEMUPutKBDEvent func,
	void *opaque);
	void qemu_remove_kbd_event_handler(QEMUPutKbdEntry *entry);
	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 TYPE_QEMU_CONSOLE "qemu-console"
	#define QEMU_CONSOLE(obj) \
	OBJECT_CHECK(QemuConsole, (obj), TYPE_QEMU_CONSOLE)
	#define QEMU_CONSOLE_GET_CLASS(obj) \
	OBJECT_GET_CLASS(QemuConsoleClass, (obj), TYPE_QEMU_CONSOLE)
	#define QEMU_CONSOLE_CLASS(klass) \
	OBJECT_CLASS_CHECK(QemuConsoleClass, (klass), TYPE_QEMU_CONSOLE)

	typedef struct QemuConsoleClass QemuConsoleClass;

	struct QemuConsoleClass {
	ObjectClass parent_class;
	};

	#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);

	typedef struct DisplayChangeListenerOps {
	const char *dpy_name;

	void (dpy_refresh)(DisplayChangeListener dcl);

	void (dpy_gfx_update)(DisplayChangeListener dcl,
	int x, int y, int w, int h);
	void (dpy_gfx_switch)(DisplayChangeListener dcl,
	struct DisplaySurface *new_surface);
	void (dpy_gfx_copy)(DisplayChangeListener dcl,
	int src_x, int src_y,
	int dst_x, int dst_y, int w, int h);

	void (dpy_text_cursor)(DisplayChangeListener dcl,
	int x, int y);
	void (dpy_text_resize)(DisplayChangeListener dcl,
	int w, int h);
	void (dpy_text_update)(DisplayChangeListener dcl,
	int x, int y, int w, int h);

	void (dpy_mouse_set)(DisplayChangeListener dcl,
	int x, int y, int on);
	void (dpy_cursor_define)(DisplayChangeListener dcl,
	QEMUCursor *cursor);
	} DisplayChangeListenerOps;

	struct DisplayChangeListener {
	uint64_t update_interval;
	const DisplayChangeListenerOps *ops;
	DisplayState *ds;
	QemuConsole *con;

	QLIST_ENTRY(DisplayChangeListener) next;
	};

	DisplayState *init_displaystate(void);
	DisplaySurface* qemu_create_displaysurface_from(int width, int height, int bpp,
	int linesize, uint8_t *data,
	bool byteswap);
	PixelFormat qemu_different_endianness_pixelformat(int bpp);
	PixelFormat qemu_default_pixelformat(int bpp);

	DisplaySurface *qemu_create_displaysurface(int width, int height);
	void qemu_free_displaysurface(DisplaySurface *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);
	}

	void register_displaychangelistener(DisplayChangeListener *dcl);
	void update_displaychangelistener(DisplayChangeListener *dcl,
	uint64_t interval);
	void unregister_displaychangelistener(DisplayChangeListener *dcl);

	void dpy_gfx_update(QemuConsole *con, int x, int y, int w, int h);
	void dpy_gfx_replace_surface(QemuConsole *con,
	DisplaySurface *surface);
	void dpy_gfx_copy(QemuConsole *con, int src_x, int src_y,
	int dst_x, int dst_y, int w, int h);
	void dpy_text_cursor(QemuConsole *con, int x, int y);
	void dpy_text_update(QemuConsole *con, int x, int y, int w, int h);
	void dpy_text_resize(QemuConsole *con, int w, int h);
	void dpy_mouse_set(QemuConsole *con, int x, int y, int on);
	void dpy_cursor_define(QemuConsole con, QEMUCursor cursor);
	bool dpy_cursor_define_supported(QemuConsole *con);

	static inline int surface_stride(DisplaySurface *s)
	{
	return pixman_image_get_stride(s->image);
	}

	static inline void surface_data(DisplaySurface s)
	{
	return pixman_image_get_data(s->image);
	}

	static inline int surface_width(DisplaySurface *s)
	{
	return pixman_image_get_width(s->image);
	}

	static inline int surface_height(DisplaySurface *s)
	{
	return pixman_image_get_height(s->image);
	}

	static inline int surface_bits_per_pixel(DisplaySurface *s)
	{
	int bits = PIXMAN_FORMAT_BPP(s->format);
	return bits;
	}

	static inline int surface_bytes_per_pixel(DisplaySurface *s)
	{
	int bits = PIXMAN_FORMAT_BPP(s->format);
	return (bits + 7) / 8;
	}

	#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 struct GraphicHwOps {
	void (invalidate)(void opaque);
	void (gfx_update)(void opaque);
	void (text_update)(void opaque, console_ch_t *text);
	void (update_interval)(void opaque, uint64_t interval);
	} GraphicHwOps;

	QemuConsole graphic_console_init(DeviceState dev,
	const GraphicHwOps *ops,
	void *opaque);

	void graphic_hw_update(QemuConsole *con);
	void graphic_hw_invalidate(QemuConsole *con);
	void graphic_hw_text_update(QemuConsole con, console_ch_t chardata);

	QemuConsole *qemu_console_lookup_by_index(unsigned int index);
	QemuConsole qemu_console_lookup_by_device(DeviceState dev);
	bool qemu_console_is_visible(QemuConsole *con);
	bool qemu_console_is_graphic(QemuConsole *con);
	bool qemu_console_is_fixedsize(QemuConsole *con);

	void text_consoles_set_display(DisplayState *ds);
	void console_select(unsigned int index);
	void console_color_init(DisplayState *ds);
	void qemu_console_resize(QemuConsole *con, int width, int height);
	void qemu_console_copy(QemuConsole *con, int src_x, int src_y,
	int dst_x, int dst_y, int w, int h);
	DisplaySurface qemu_console_surface(QemuConsole con);
	DisplayState qemu_console_displaystate(QemuConsole console);

	typedef CharDriverState (VcHandler)(ChardevVC vc);

	CharDriverState vc_init(ChardevVC vc);
	void register_vc_handler(VcHandler *handler);

	/* 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, bool 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);

	/* gtk.c */
	void early_gtk_display_init(void);
	void gtk_display_init(DisplayState *ds, bool full_screen);

	#endif