1 /*

     2  * GUI target side interface

     3  *

     4  * Copyright (c) 2009 CodeSourcery

     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  */

    24 

    25 #ifndef GUI_H

    26 #define GUI_H

    27 

    28 #include "display_state.h"

    29 

    30 /* keyboard/mouse support */

    31 

    32 #define MOUSE_EVENT_LBUTTON 0x01

    33 #define MOUSE_EVENT_RBUTTON 0x02

    34 #define MOUSE_EVENT_MBUTTON 0x04

    35 

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

    37 typedef void (*vga_hw_update_ptr)(void *);

    38 typedef void (*vga_hw_invalidate_ptr)(void *);

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

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

    41 

    42 struct QEMUPutMouseEntry;

    43 typedef struct QEMUPutMouseEntry QEMUPutMouseEntry;

    44 

    45 QEMUPutMouseEntry *qemu_add_mouse_event_handler(QEMUPutMouseEvent *func,

    46                                                 void *opaque, int absolute,

    47                                                 const char *name);

    48 void qemu_remove_mouse_event_handler(QEMUPutMouseEntry *entry);

    49 

    50 struct mouse_transform_info_s {

    51     /* Touchscreen resolution */

    52     int x;

    53     int y;

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

    55     int a[7];

    56 };

    57 

    58 DisplayState *gui_get_graphic_console(const char *devname,

    59                                       vga_hw_update_ptr update,

    60                                       vga_hw_invalidate_ptr invalidate,

    61                                       vga_hw_screen_dump_ptr screen_dump,

    62                                       void *opaque);

    63 

    64 void gui_register_dev_key_callback(KeyCallback cb, void *opaque);

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

    66 

    67 int gui_register_mouse_event_handler(QEMUPutMouseEvent *func,

    68                                      void *opaque, int absolute,

    69                                      const char *devname);

    70 

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

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

    73 

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

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

    76 

    77 #endif

    78