2 * QEMU SDL display driver
4 * Copyright (c) 2003 Fabrice Bellard
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:
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
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
24 #include "qemu-common.h"
34 static SDL_Surface
*screen
;
35 static int gui_grab
; /* if true, all keyboard/mouse events are grabbed */
36 static int last_vm_running
;
37 static int gui_saved_grab
;
38 static int gui_fullscreen
;
39 static int gui_noframe
;
40 static int gui_key_modifier_pressed
;
41 static int gui_keysym
;
42 static int gui_fullscreen_initial_grab
;
43 static int gui_grab_code
= KMOD_LALT
| KMOD_LCTRL
;
44 static uint8_t modifiers_state
[256];
45 static int width
, height
;
46 static SDL_Cursor
*sdl_cursor_normal
;
47 static SDL_Cursor
*sdl_cursor_hidden
;
48 static int absolute_enabled
= 0;
49 static int guest_cursor
= 0;
50 static int guest_x
, guest_y
;
51 static SDL_Cursor
*guest_sprite
= 0;
53 static void sdl_update(DisplayState
*ds
, int x
, int y
, int w
, int h
)
55 // printf("updating x=%d y=%d w=%d h=%d\n", x, y, w, h);
56 SDL_UpdateRect(screen
, x
, y
, w
, h
);
59 static void sdl_resize(DisplayState
*ds
, int w
, int h
)
63 // printf("resizing to %d %d\n", w, h);
65 flags
= SDL_HWSURFACE
|SDL_ASYNCBLIT
|SDL_HWACCEL
;
67 flags
|= SDL_FULLSCREEN
;
75 screen
= SDL_SetVideoMode(w
, h
, 0, flags
);
77 fprintf(stderr
, "Could not open SDL display\n");
80 if (!screen
->pixels
&& (flags
& SDL_HWSURFACE
) && (flags
& SDL_FULLSCREEN
)) {
81 flags
&= ~SDL_HWSURFACE
;
85 if (!screen
->pixels
) {
86 fprintf(stderr
, "Could not open SDL display\n");
89 ds
->data
= screen
->pixels
;
90 ds
->linesize
= screen
->pitch
;
91 ds
->depth
= screen
->format
->BitsPerPixel
;
92 /* SDL BitsPerPixel never indicates any values other than
93 multiples of 8, so we need to check for strange depths. */
94 if (ds
->depth
== 16) {
97 mask
= screen
->format
->Rmask
;
98 mask
|= screen
->format
->Gmask
;
99 mask
|= screen
->format
->Bmask
;
100 if ((mask
& 0x8000) == 0)
103 if (ds
->depth
== 32 && screen
->format
->Rshift
== 0) {
112 /* generic keyboard conversion */
114 #include "sdl_keysym.h"
117 static kbd_layout_t
*kbd_layout
= NULL
;
119 static uint8_t sdl_keyevent_to_keycode_generic(const SDL_KeyboardEvent
*ev
)
122 /* workaround for X11+SDL bug with AltGR */
123 keysym
= ev
->keysym
.sym
;
124 if (keysym
== 0 && ev
->keysym
.scancode
== 113)
126 /* For Japanese key '\' and '|' */
127 if (keysym
== 92 && ev
->keysym
.scancode
== 133) {
130 return keysym2scancode(kbd_layout
, keysym
);
133 /* specific keyboard conversions from scan codes */
137 static uint8_t sdl_keyevent_to_keycode(const SDL_KeyboardEvent
*ev
)
139 return ev
->keysym
.scancode
;
144 static uint8_t sdl_keyevent_to_keycode(const SDL_KeyboardEvent
*ev
)
148 keycode
= ev
->keysym
.scancode
;
152 } else if (keycode
< 97) {
153 keycode
-= 8; /* just an offset */
154 } else if (keycode
< 212) {
155 /* use conversion table */
156 keycode
= _translate_keycode(keycode
- 97);
165 static void reset_keys(void)
168 for(i
= 0; i
< 256; i
++) {
169 if (modifiers_state
[i
]) {
171 kbd_put_keycode(0xe0);
172 kbd_put_keycode(i
| 0x80);
173 modifiers_state
[i
] = 0;
178 static void sdl_process_key(SDL_KeyboardEvent
*ev
)
182 if (ev
->keysym
.sym
== SDLK_PAUSE
) {
185 if (ev
->type
== SDL_KEYUP
)
187 kbd_put_keycode(0xe1);
188 kbd_put_keycode(0x1d | v
);
189 kbd_put_keycode(0x45 | v
);
194 keycode
= sdl_keyevent_to_keycode_generic(ev
);
196 keycode
= sdl_keyevent_to_keycode(ev
);
201 /* sent when leaving window: reset the modifiers state */
204 case 0x2a: /* Left Shift */
205 case 0x36: /* Right Shift */
206 case 0x1d: /* Left CTRL */
207 case 0x9d: /* Right CTRL */
208 case 0x38: /* Left ALT */
209 case 0xb8: /* Right ALT */
210 if (ev
->type
== SDL_KEYUP
)
211 modifiers_state
[keycode
] = 0;
213 modifiers_state
[keycode
] = 1;
215 case 0x45: /* num lock */
216 case 0x3a: /* caps lock */
217 /* SDL does not send the key up event, so we generate it */
218 kbd_put_keycode(keycode
);
219 kbd_put_keycode(keycode
| 0x80);
223 /* now send the key code */
225 kbd_put_keycode(0xe0);
226 if (ev
->type
== SDL_KEYUP
)
227 kbd_put_keycode(keycode
| 0x80);
229 kbd_put_keycode(keycode
& 0x7f);
232 static void sdl_update_caption(void)
235 const char *status
= "";
238 status
= " [Stopped]";
241 status
= " - Press Ctrl-Alt to exit grab";
243 status
= " - Press Ctrl-Alt-Shift to exit grab";
247 snprintf(buf
, sizeof(buf
), "QEMU (%s)%s", qemu_name
, status
);
249 snprintf(buf
, sizeof(buf
), "QEMU%s", status
);
251 SDL_WM_SetCaption(buf
, "QEMU");
254 static void sdl_hide_cursor(void)
259 if (kbd_mouse_is_absolute()) {
261 SDL_SetCursor(sdl_cursor_hidden
);
267 static void sdl_show_cursor(void)
272 if (!kbd_mouse_is_absolute()) {
275 (gui_grab
|| kbd_mouse_is_absolute() || absolute_enabled
))
276 SDL_SetCursor(guest_sprite
);
278 SDL_SetCursor(sdl_cursor_normal
);
282 static void sdl_grab_start(void)
285 SDL_SetCursor(guest_sprite
);
286 SDL_WarpMouse(guest_x
, guest_y
);
289 SDL_WM_GrabInput(SDL_GRAB_ON
);
291 sdl_update_caption();
294 static void sdl_grab_end(void)
296 SDL_WM_GrabInput(SDL_GRAB_OFF
);
299 sdl_update_caption();
302 static void sdl_send_mouse_event(int dx
, int dy
, int dz
, int x
, int y
, int state
)
306 if (state
& SDL_BUTTON(SDL_BUTTON_LEFT
))
307 buttons
|= MOUSE_EVENT_LBUTTON
;
308 if (state
& SDL_BUTTON(SDL_BUTTON_RIGHT
))
309 buttons
|= MOUSE_EVENT_RBUTTON
;
310 if (state
& SDL_BUTTON(SDL_BUTTON_MIDDLE
))
311 buttons
|= MOUSE_EVENT_MBUTTON
;
313 if (kbd_mouse_is_absolute()) {
314 if (!absolute_enabled
) {
319 absolute_enabled
= 1;
322 dx
= x
* 0x7FFF / (width
- 1);
323 dy
= y
* 0x7FFF / (height
- 1);
324 } else if (absolute_enabled
) {
326 absolute_enabled
= 0;
327 } else if (guest_cursor
) {
336 kbd_mouse_event(dx
, dy
, dz
, buttons
);
339 static void toggle_full_screen(DisplayState
*ds
)
341 gui_fullscreen
= !gui_fullscreen
;
342 sdl_resize(ds
, screen
->w
, screen
->h
);
343 if (gui_fullscreen
) {
344 gui_saved_grab
= gui_grab
;
354 static void sdl_refresh(DisplayState
*ds
)
356 SDL_Event ev1
, *ev
= &ev1
;
358 int buttonstate
= SDL_GetMouseState(NULL
, NULL
);
360 if (last_vm_running
!= vm_running
) {
361 last_vm_running
= vm_running
;
362 sdl_update_caption();
366 SDL_EnableUNICODE(!is_graphic_console());
368 while (SDL_PollEvent(ev
)) {
370 case SDL_VIDEOEXPOSE
:
371 sdl_update(ds
, 0, 0, screen
->w
, screen
->h
);
375 if (ev
->type
== SDL_KEYDOWN
) {
377 mod_state
= (SDL_GetModState() & gui_grab_code
) ==
380 mod_state
= (SDL_GetModState() & (gui_grab_code
| KMOD_LSHIFT
)) ==
381 (gui_grab_code
| KMOD_LSHIFT
);
383 gui_key_modifier_pressed
= mod_state
;
384 if (gui_key_modifier_pressed
) {
386 keycode
= sdl_keyevent_to_keycode(&ev
->key
);
388 case 0x21: /* 'f' key on US keyboard */
389 toggle_full_screen(ds
);
392 case 0x02 ... 0x0a: /* '1' to '9' keys */
393 /* Reset the modifiers sent to the current console */
395 console_select(keycode
- 0x02);
396 if (!is_graphic_console()) {
397 /* display grab if going to a text console */
406 } else if (!is_graphic_console()) {
409 if (ev
->key
.keysym
.mod
& (KMOD_LCTRL
| KMOD_RCTRL
)) {
410 switch(ev
->key
.keysym
.sym
) {
411 case SDLK_UP
: keysym
= QEMU_KEY_CTRL_UP
; break;
412 case SDLK_DOWN
: keysym
= QEMU_KEY_CTRL_DOWN
; break;
413 case SDLK_LEFT
: keysym
= QEMU_KEY_CTRL_LEFT
; break;
414 case SDLK_RIGHT
: keysym
= QEMU_KEY_CTRL_RIGHT
; break;
415 case SDLK_HOME
: keysym
= QEMU_KEY_CTRL_HOME
; break;
416 case SDLK_END
: keysym
= QEMU_KEY_CTRL_END
; break;
417 case SDLK_PAGEUP
: keysym
= QEMU_KEY_CTRL_PAGEUP
; break;
418 case SDLK_PAGEDOWN
: keysym
= QEMU_KEY_CTRL_PAGEDOWN
; break;
422 switch(ev
->key
.keysym
.sym
) {
423 case SDLK_UP
: keysym
= QEMU_KEY_UP
; break;
424 case SDLK_DOWN
: keysym
= QEMU_KEY_DOWN
; break;
425 case SDLK_LEFT
: keysym
= QEMU_KEY_LEFT
; break;
426 case SDLK_RIGHT
: keysym
= QEMU_KEY_RIGHT
; break;
427 case SDLK_HOME
: keysym
= QEMU_KEY_HOME
; break;
428 case SDLK_END
: keysym
= QEMU_KEY_END
; break;
429 case SDLK_PAGEUP
: keysym
= QEMU_KEY_PAGEUP
; break;
430 case SDLK_PAGEDOWN
: keysym
= QEMU_KEY_PAGEDOWN
; break;
431 case SDLK_BACKSPACE
: keysym
= QEMU_KEY_BACKSPACE
; break;
432 case SDLK_DELETE
: keysym
= QEMU_KEY_DELETE
; break;
437 kbd_put_keysym(keysym
);
438 } else if (ev
->key
.keysym
.unicode
!= 0) {
439 kbd_put_keysym(ev
->key
.keysym
.unicode
);
442 } else if (ev
->type
== SDL_KEYUP
) {
444 mod_state
= (ev
->key
.keysym
.mod
& gui_grab_code
);
446 mod_state
= (ev
->key
.keysym
.mod
&
447 (gui_grab_code
| KMOD_LSHIFT
));
450 if (gui_key_modifier_pressed
) {
451 gui_key_modifier_pressed
= 0;
452 if (gui_keysym
== 0) {
453 /* exit/enter grab if pressing Ctrl-Alt */
455 /* if the application is not active,
456 do not try to enter grab state. It
458 'SDL_WM_GrabInput(SDL_GRAB_ON)'
459 from blocking all the application
461 if (SDL_GetAppState() & SDL_APPACTIVE
)
466 /* SDL does not send back all the
467 modifiers key, so we must correct it */
475 if (is_graphic_console() && !gui_keysym
)
476 sdl_process_key(&ev
->key
);
480 qemu_system_shutdown_request();
482 case SDL_MOUSEMOTION
:
483 if (gui_grab
|| kbd_mouse_is_absolute() ||
485 sdl_send_mouse_event(ev
->motion
.xrel
, ev
->motion
.yrel
, 0,
486 ev
->motion
.x
, ev
->motion
.y
, ev
->motion
.state
);
489 case SDL_MOUSEBUTTONDOWN
:
490 case SDL_MOUSEBUTTONUP
:
492 SDL_MouseButtonEvent
*bev
= &ev
->button
;
493 if (!gui_grab
&& !kbd_mouse_is_absolute()) {
494 if (ev
->type
== SDL_MOUSEBUTTONDOWN
&&
495 (bev
->button
== SDL_BUTTON_LEFT
)) {
496 /* start grabbing all events */
502 if (ev
->type
== SDL_MOUSEBUTTONDOWN
) {
503 buttonstate
|= SDL_BUTTON(bev
->button
);
505 buttonstate
&= ~SDL_BUTTON(bev
->button
);
507 #ifdef SDL_BUTTON_WHEELUP
508 if (bev
->button
== SDL_BUTTON_WHEELUP
&& ev
->type
== SDL_MOUSEBUTTONDOWN
) {
510 } else if (bev
->button
== SDL_BUTTON_WHEELDOWN
&& ev
->type
== SDL_MOUSEBUTTONDOWN
) {
514 sdl_send_mouse_event(0, 0, dz
, bev
->x
, bev
->y
, buttonstate
);
518 case SDL_ACTIVEEVENT
:
519 if (gui_grab
&& ev
->active
.state
== SDL_APPINPUTFOCUS
&&
520 !ev
->active
.gain
&& !gui_fullscreen_initial_grab
) {
523 if (ev
->active
.state
& SDL_APPACTIVE
) {
524 if (ev
->active
.gain
) {
525 /* Back to default interval */
526 ds
->gui_timer_interval
= 0;
529 /* Sleeping interval */
530 ds
->gui_timer_interval
= 500;
541 static void sdl_fill(DisplayState
*ds
, int x
, int y
, int w
, int h
, uint32_t c
)
543 SDL_Rect dst
= { x
, y
, w
, h
};
544 SDL_FillRect(screen
, &dst
, c
);
547 static void sdl_mouse_warp(int x
, int y
, int on
)
552 if (gui_grab
|| kbd_mouse_is_absolute() || absolute_enabled
) {
553 SDL_SetCursor(guest_sprite
);
559 guest_x
= x
, guest_y
= y
;
562 static void sdl_mouse_define(int width
, int height
, int bpp
,
563 int hot_x
, int hot_y
,
564 uint8_t *image
, uint8_t *mask
)
566 uint8_t sprite
[256], *line
;
567 int x
, y
, dst
, bypl
, src
= 0;
569 SDL_FreeCursor(guest_sprite
);
571 memset(sprite
, 0, 256);
572 bypl
= ((width
* bpp
+ 31) >> 5) << 2;
573 for (y
= 0, dst
= 0; y
< height
; y
++, image
+= bypl
) {
575 for (x
= 0; x
< width
; x
++, dst
++) {
578 src
= *(line
++); src
|= *(line
++); src
|= *(line
++);
582 src
= *(line
++); src
|= *(line
++);
588 src
= 0xf & (line
[x
>> 1] >> ((x
& 1)) << 2);
591 src
= 3 & (line
[x
>> 2] >> ((x
& 3)) << 1);
594 src
= 1 & (line
[x
>> 3] >> (x
& 7));
598 sprite
[dst
>> 3] |= (1 << (~dst
& 7)) & mask
[dst
>> 3];
601 guest_sprite
= SDL_CreateCursor(sprite
, mask
, width
, height
, hot_x
, hot_y
);
604 (gui_grab
|| kbd_mouse_is_absolute() || absolute_enabled
))
605 SDL_SetCursor(guest_sprite
);
608 static void sdl_cleanup(void)
611 SDL_FreeCursor(guest_sprite
);
615 void sdl_display_init(DisplayState
*ds
, int full_screen
, int no_frame
)
620 #if defined(__APPLE__)
621 /* always use generic keymaps */
622 if (!keyboard_layout
)
623 keyboard_layout
= "en-us";
625 if(keyboard_layout
) {
626 kbd_layout
= init_keyboard_layout(keyboard_layout
);
634 flags
= SDL_INIT_VIDEO
| SDL_INIT_NOPARACHUTE
;
635 if (SDL_Init (flags
)) {
636 fprintf(stderr
, "Could not initialize SDL - exiting\n");
640 ds
->dpy_update
= sdl_update
;
641 ds
->dpy_resize
= sdl_resize
;
642 ds
->dpy_refresh
= sdl_refresh
;
643 ds
->dpy_fill
= sdl_fill
;
644 ds
->mouse_set
= sdl_mouse_warp
;
645 ds
->cursor_define
= sdl_mouse_define
;
647 sdl_resize(ds
, 640, 400);
648 sdl_update_caption();
649 SDL_EnableKeyRepeat(250, 50);
652 sdl_cursor_hidden
= SDL_CreateCursor(&data
, &data
, 8, 1, 0, 0);
653 sdl_cursor_normal
= SDL_GetCursor();
658 gui_fullscreen_initial_grab
= 1;