/*

 * GUI target side interface

 *

 * Copyright (c) 2009 CodeSourcery

 *

 * 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.

 */

#ifndef GUI_H

#define GUI_H

#include "display_state.h"

/* keyboard/mouse support */

#define MOUSE_EVENT_LBUTTON 0x01

#define MOUSE_EVENT_RBUTTON 0x02

#define MOUSE_EVENT_MBUTTON 0x04

typedef void (*KeyCallback)(void *opaque, int key);

typedef void (*vga_hw_update_ptr)(void *);

typedef void (*vga_hw_invalidate_ptr)(void *);

typedef void (*vga_hw_screen_dump_ptr)(void *, const char *);

typedef void QEMUPutMouseEvent(void *opaque, int dx, int dy, int dz, int buttons_state);

struct QEMUPutMouseEntry;

typedef struct QEMUPutMouseEntry QEMUPutMouseEntry;

QEMUPutMouseEntry *qemu_add_mouse_event_handler(QEMUPutMouseEvent *func,

                                                void *opaque, int absolute,

                                                const char *name);

void qemu_remove_mouse_event_handler(QEMUPutMouseEntry *entry);

struct mouse_transform_info_s {

    /* Touchscreen resolution */

    int x;

    int y;

    /* Calibration values as used/generated by tslib */

    int a[7];

};

DisplayState *gui_get_graphic_console(const char *devname,

                                      vga_hw_update_ptr update,

                                      vga_hw_invalidate_ptr invalidate,

                                      vga_hw_screen_dump_ptr screen_dump,

                                      void *opaque);

void gui_register_dev_key_callback(KeyCallback cb, void *opaque);

void gui_register_vt_key_callback(DisplayState *ds, KeyCallback cb, void *opaque);

int gui_register_mouse_event_handler(QEMUPutMouseEvent *func,

                                     void *opaque, int absolute,

                                     const char *devname);

/* only for skinless vts. 1 OK, 0 error (i.e. skinned vt) */

int gui_resize_vt(DisplayState *ds, int width, int height);

void dpy_update(DisplayState *s, int x, int y, int w, int h);

void dpy_cursor(DisplayState *s, int x, int y);

#endif