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1.1 root 1: /*
2: * QEMU SDL display driver
3: *
4: * Copyright (c) 2003 Fabrice Bellard
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: */
1.1.1.2 root 24:
25: /* Avoid compiler warning because macro is redefined in SDL_syswm.h. */
26: #undef WIN32_LEAN_AND_MEAN
27:
1.1 root 28: #include <SDL.h>
29: #include <SDL_syswm.h>
30:
31: #include "qemu-common.h"
32: #include "console.h"
33: #include "sysemu.h"
34: #include "x_keymap.h"
35: #include "sdl_zoom.h"
36:
37: static DisplayChangeListener *dcl;
38: static SDL_Surface *real_screen;
39: static SDL_Surface *guest_screen = NULL;
40: static int gui_grab; /* if true, all keyboard/mouse events are grabbed */
41: static int last_vm_running;
42: static int gui_saved_grab;
43: static int gui_fullscreen;
44: static int gui_noframe;
45: static int gui_key_modifier_pressed;
46: static int gui_keysym;
47: static int gui_fullscreen_initial_grab;
48: static int gui_grab_code = KMOD_LALT | KMOD_LCTRL;
49: static uint8_t modifiers_state[256];
50: static int width, height;
51: static SDL_Cursor *sdl_cursor_normal;
52: static SDL_Cursor *sdl_cursor_hidden;
53: static int absolute_enabled = 0;
54: static int guest_cursor = 0;
55: static int guest_x, guest_y;
56: static SDL_Cursor *guest_sprite = NULL;
57: static uint8_t allocator;
58: static SDL_PixelFormat host_format;
59: static int scaling_active = 0;
60: static Notifier mouse_mode_notifier;
61:
62: static void sdl_update(DisplayState *ds, int x, int y, int w, int h)
63: {
64: // printf("updating x=%d y=%d w=%d h=%d\n", x, y, w, h);
65: SDL_Rect rec;
66: rec.x = x;
67: rec.y = y;
68: rec.w = w;
69: rec.h = h;
70:
71: if (guest_screen) {
72: if (!scaling_active) {
73: SDL_BlitSurface(guest_screen, &rec, real_screen, &rec);
74: } else {
75: if (sdl_zoom_blit(guest_screen, real_screen, SMOOTHING_ON, &rec) < 0) {
76: fprintf(stderr, "Zoom blit failed\n");
77: exit(1);
78: }
79: }
80: }
81: SDL_UpdateRect(real_screen, rec.x, rec.y, rec.w, rec.h);
82: }
83:
84: static void sdl_setdata(DisplayState *ds)
85: {
86: if (guest_screen != NULL) SDL_FreeSurface(guest_screen);
87:
88: guest_screen = SDL_CreateRGBSurfaceFrom(ds_get_data(ds), ds_get_width(ds), ds_get_height(ds),
89: ds_get_bits_per_pixel(ds), ds_get_linesize(ds),
90: ds->surface->pf.rmask, ds->surface->pf.gmask,
91: ds->surface->pf.bmask, ds->surface->pf.amask);
92: }
93:
94: static void do_sdl_resize(int new_width, int new_height, int bpp)
95: {
96: int flags;
97:
98: // printf("resizing to %d %d\n", w, h);
99:
100: flags = SDL_HWSURFACE|SDL_ASYNCBLIT|SDL_HWACCEL|SDL_RESIZABLE;
101: if (gui_fullscreen)
102: flags |= SDL_FULLSCREEN;
103: if (gui_noframe)
104: flags |= SDL_NOFRAME;
105:
106: width = new_width;
107: height = new_height;
108: real_screen = SDL_SetVideoMode(width, height, bpp, flags);
109: if (!real_screen) {
110: fprintf(stderr, "Could not open SDL display (%dx%dx%d): %s\n", width,
111: height, bpp, SDL_GetError());
112: exit(1);
113: }
114: }
115:
116: static void sdl_resize(DisplayState *ds)
117: {
118: if (!allocator) {
119: if (!scaling_active)
120: do_sdl_resize(ds_get_width(ds), ds_get_height(ds), 0);
121: else if (real_screen->format->BitsPerPixel != ds_get_bits_per_pixel(ds))
122: do_sdl_resize(real_screen->w, real_screen->h, ds_get_bits_per_pixel(ds));
123: sdl_setdata(ds);
124: } else {
125: if (guest_screen != NULL) {
126: SDL_FreeSurface(guest_screen);
127: guest_screen = NULL;
128: }
129: }
130: }
131:
132: static PixelFormat sdl_to_qemu_pixelformat(SDL_PixelFormat *sdl_pf)
133: {
134: PixelFormat qemu_pf;
135:
136: memset(&qemu_pf, 0x00, sizeof(PixelFormat));
137:
138: qemu_pf.bits_per_pixel = sdl_pf->BitsPerPixel;
139: qemu_pf.bytes_per_pixel = sdl_pf->BytesPerPixel;
140: qemu_pf.depth = (qemu_pf.bits_per_pixel) == 32 ? 24 : (qemu_pf.bits_per_pixel);
141:
142: qemu_pf.rmask = sdl_pf->Rmask;
143: qemu_pf.gmask = sdl_pf->Gmask;
144: qemu_pf.bmask = sdl_pf->Bmask;
145: qemu_pf.amask = sdl_pf->Amask;
146:
147: qemu_pf.rshift = sdl_pf->Rshift;
148: qemu_pf.gshift = sdl_pf->Gshift;
149: qemu_pf.bshift = sdl_pf->Bshift;
150: qemu_pf.ashift = sdl_pf->Ashift;
151:
152: qemu_pf.rbits = 8 - sdl_pf->Rloss;
153: qemu_pf.gbits = 8 - sdl_pf->Gloss;
154: qemu_pf.bbits = 8 - sdl_pf->Bloss;
155: qemu_pf.abits = 8 - sdl_pf->Aloss;
156:
157: qemu_pf.rmax = ((1 << qemu_pf.rbits) - 1);
158: qemu_pf.gmax = ((1 << qemu_pf.gbits) - 1);
159: qemu_pf.bmax = ((1 << qemu_pf.bbits) - 1);
160: qemu_pf.amax = ((1 << qemu_pf.abits) - 1);
161:
162: return qemu_pf;
163: }
164:
165: static DisplaySurface* sdl_create_displaysurface(int width, int height)
166: {
167: DisplaySurface *surface = (DisplaySurface*) qemu_mallocz(sizeof(DisplaySurface));
168: if (surface == NULL) {
169: fprintf(stderr, "sdl_create_displaysurface: malloc failed\n");
170: exit(1);
171: }
172:
173: surface->width = width;
174: surface->height = height;
1.1.1.3 ! root 175:
1.1 root 176: if (scaling_active) {
1.1.1.3 ! root 177: int linesize;
! 178: PixelFormat pf;
1.1 root 179: if (host_format.BytesPerPixel != 2 && host_format.BytesPerPixel != 4) {
1.1.1.3 ! root 180: linesize = width * 4;
! 181: pf = qemu_default_pixelformat(32);
1.1 root 182: } else {
1.1.1.3 ! root 183: linesize = width * host_format.BytesPerPixel;
! 184: pf = sdl_to_qemu_pixelformat(&host_format);
1.1 root 185: }
1.1.1.3 ! root 186: qemu_alloc_display(surface, width, height, linesize, pf, 0);
1.1 root 187: return surface;
188: }
189:
190: if (host_format.BitsPerPixel == 16)
191: do_sdl_resize(width, height, 16);
192: else
193: do_sdl_resize(width, height, 32);
194:
195: surface->pf = sdl_to_qemu_pixelformat(real_screen->format);
196: surface->linesize = real_screen->pitch;
197: surface->data = real_screen->pixels;
198:
199: #ifdef HOST_WORDS_BIGENDIAN
200: surface->flags = QEMU_REALPIXELS_FLAG | QEMU_BIG_ENDIAN_FLAG;
201: #else
202: surface->flags = QEMU_REALPIXELS_FLAG;
203: #endif
204: allocator = 1;
205:
206: return surface;
207: }
208:
209: static void sdl_free_displaysurface(DisplaySurface *surface)
210: {
211: allocator = 0;
212: if (surface == NULL)
213: return;
214:
215: if (surface->flags & QEMU_ALLOCATED_FLAG)
216: qemu_free(surface->data);
217: qemu_free(surface);
218: }
219:
220: static DisplaySurface* sdl_resize_displaysurface(DisplaySurface *surface, int width, int height)
221: {
222: sdl_free_displaysurface(surface);
223: return sdl_create_displaysurface(width, height);
224: }
225:
226: /* generic keyboard conversion */
227:
228: #include "sdl_keysym.h"
229:
230: static kbd_layout_t *kbd_layout = NULL;
231:
232: static uint8_t sdl_keyevent_to_keycode_generic(const SDL_KeyboardEvent *ev)
233: {
234: int keysym;
235: /* workaround for X11+SDL bug with AltGR */
236: keysym = ev->keysym.sym;
237: if (keysym == 0 && ev->keysym.scancode == 113)
238: keysym = SDLK_MODE;
239: /* For Japanese key '\' and '|' */
240: if (keysym == 92 && ev->keysym.scancode == 133) {
241: keysym = 0xa5;
242: }
243: return keysym2scancode(kbd_layout, keysym) & SCANCODE_KEYMASK;
244: }
245:
246: /* specific keyboard conversions from scan codes */
247:
248: #if defined(_WIN32)
249:
250: static uint8_t sdl_keyevent_to_keycode(const SDL_KeyboardEvent *ev)
251: {
252: return ev->keysym.scancode;
253: }
254:
255: #else
256:
257: #if defined(SDL_VIDEO_DRIVER_X11)
258: #include <X11/XKBlib.h>
259:
260: static int check_for_evdev(void)
261: {
262: SDL_SysWMinfo info;
263: XkbDescPtr desc = NULL;
264: int has_evdev = 0;
265: char *keycodes = NULL;
266:
267: SDL_VERSION(&info.version);
268: if (!SDL_GetWMInfo(&info)) {
269: return 0;
270: }
271: desc = XkbGetKeyboard(info.info.x11.display,
272: XkbGBN_AllComponentsMask,
273: XkbUseCoreKbd);
274: if (desc && desc->names) {
275: keycodes = XGetAtomName(info.info.x11.display, desc->names->keycodes);
276: if (keycodes == NULL) {
277: fprintf(stderr, "could not lookup keycode name\n");
278: } else if (strstart(keycodes, "evdev", NULL)) {
279: has_evdev = 1;
280: } else if (!strstart(keycodes, "xfree86", NULL)) {
281: fprintf(stderr, "unknown keycodes `%s', please report to "
282: "[email protected]\n", keycodes);
283: }
284: }
285:
286: if (desc) {
287: XkbFreeKeyboard(desc, XkbGBN_AllComponentsMask, True);
288: }
289: if (keycodes) {
290: XFree(keycodes);
291: }
292: return has_evdev;
293: }
294: #else
295: static int check_for_evdev(void)
296: {
297: return 0;
298: }
299: #endif
300:
301: static uint8_t sdl_keyevent_to_keycode(const SDL_KeyboardEvent *ev)
302: {
303: int keycode;
304: static int has_evdev = -1;
305:
306: if (has_evdev == -1)
307: has_evdev = check_for_evdev();
308:
309: keycode = ev->keysym.scancode;
310:
311: if (keycode < 9) {
312: keycode = 0;
313: } else if (keycode < 97) {
314: keycode -= 8; /* just an offset */
315: } else if (keycode < 158) {
316: /* use conversion table */
317: if (has_evdev)
318: keycode = translate_evdev_keycode(keycode - 97);
319: else
320: keycode = translate_xfree86_keycode(keycode - 97);
321: } else if (keycode == 208) { /* Hiragana_Katakana */
322: keycode = 0x70;
323: } else if (keycode == 211) { /* backslash */
324: keycode = 0x73;
325: } else {
326: keycode = 0;
327: }
328: return keycode;
329: }
330:
331: #endif
332:
333: static void reset_keys(void)
334: {
335: int i;
336: for(i = 0; i < 256; i++) {
337: if (modifiers_state[i]) {
338: if (i & SCANCODE_GREY)
339: kbd_put_keycode(SCANCODE_EMUL0);
340: kbd_put_keycode(i | SCANCODE_UP);
341: modifiers_state[i] = 0;
342: }
343: }
344: }
345:
346: static void sdl_process_key(SDL_KeyboardEvent *ev)
347: {
348: int keycode, v;
349:
350: if (ev->keysym.sym == SDLK_PAUSE) {
351: /* specific case */
352: v = 0;
353: if (ev->type == SDL_KEYUP)
354: v |= SCANCODE_UP;
355: kbd_put_keycode(0xe1);
356: kbd_put_keycode(0x1d | v);
357: kbd_put_keycode(0x45 | v);
358: return;
359: }
360:
361: if (kbd_layout) {
362: keycode = sdl_keyevent_to_keycode_generic(ev);
363: } else {
364: keycode = sdl_keyevent_to_keycode(ev);
365: }
366:
367: switch(keycode) {
368: case 0x00:
369: /* sent when leaving window: reset the modifiers state */
370: reset_keys();
371: return;
372: case 0x2a: /* Left Shift */
373: case 0x36: /* Right Shift */
374: case 0x1d: /* Left CTRL */
375: case 0x9d: /* Right CTRL */
376: case 0x38: /* Left ALT */
377: case 0xb8: /* Right ALT */
378: if (ev->type == SDL_KEYUP)
379: modifiers_state[keycode] = 0;
380: else
381: modifiers_state[keycode] = 1;
382: break;
1.1.1.2 root 383: #define QEMU_SDL_VERSION ((SDL_MAJOR_VERSION << 8) + SDL_MINOR_VERSION)
384: #if QEMU_SDL_VERSION < 0x102 || QEMU_SDL_VERSION == 0x102 && SDL_PATCHLEVEL < 14
385: /* SDL versions before 1.2.14 don't support key up for caps/num lock. */
1.1 root 386: case 0x45: /* num lock */
387: case 0x3a: /* caps lock */
388: /* SDL does not send the key up event, so we generate it */
389: kbd_put_keycode(keycode);
390: kbd_put_keycode(keycode | SCANCODE_UP);
391: return;
1.1.1.2 root 392: #endif
1.1 root 393: }
394:
395: /* now send the key code */
396: if (keycode & SCANCODE_GREY)
397: kbd_put_keycode(SCANCODE_EMUL0);
398: if (ev->type == SDL_KEYUP)
399: kbd_put_keycode(keycode | SCANCODE_UP);
400: else
401: kbd_put_keycode(keycode & SCANCODE_KEYCODEMASK);
402: }
403:
404: static void sdl_update_caption(void)
405: {
406: char win_title[1024];
407: char icon_title[1024];
408: const char *status = "";
409:
410: if (!vm_running)
411: status = " [Stopped]";
412: else if (gui_grab) {
413: if (alt_grab)
414: status = " - Press Ctrl-Alt-Shift to exit mouse grab";
415: else if (ctrl_grab)
416: status = " - Press Right-Ctrl to exit mouse grab";
417: else
418: status = " - Press Ctrl-Alt to exit mouse grab";
419: }
420:
421: if (qemu_name) {
422: snprintf(win_title, sizeof(win_title), "QEMU (%s)%s", qemu_name, status);
423: snprintf(icon_title, sizeof(icon_title), "QEMU (%s)", qemu_name);
424: } else {
425: snprintf(win_title, sizeof(win_title), "QEMU%s", status);
426: snprintf(icon_title, sizeof(icon_title), "QEMU");
427: }
428:
429: SDL_WM_SetCaption(win_title, icon_title);
430: }
431:
432: static void sdl_hide_cursor(void)
433: {
434: if (!cursor_hide)
435: return;
436:
437: if (kbd_mouse_is_absolute()) {
438: SDL_ShowCursor(1);
439: SDL_SetCursor(sdl_cursor_hidden);
440: } else {
441: SDL_ShowCursor(0);
442: }
443: }
444:
445: static void sdl_show_cursor(void)
446: {
447: if (!cursor_hide)
448: return;
449:
450: if (!kbd_mouse_is_absolute()) {
451: SDL_ShowCursor(1);
452: if (guest_cursor &&
453: (gui_grab || kbd_mouse_is_absolute() || absolute_enabled))
454: SDL_SetCursor(guest_sprite);
455: else
456: SDL_SetCursor(sdl_cursor_normal);
457: }
458: }
459:
460: static void sdl_grab_start(void)
461: {
462: if (guest_cursor) {
463: SDL_SetCursor(guest_sprite);
464: if (!kbd_mouse_is_absolute() && !absolute_enabled)
465: SDL_WarpMouse(guest_x, guest_y);
466: } else
467: sdl_hide_cursor();
468:
469: if (SDL_WM_GrabInput(SDL_GRAB_ON) == SDL_GRAB_ON) {
470: gui_grab = 1;
471: sdl_update_caption();
472: } else
473: sdl_show_cursor();
474: }
475:
476: static void sdl_grab_end(void)
477: {
478: SDL_WM_GrabInput(SDL_GRAB_OFF);
479: gui_grab = 0;
480: sdl_show_cursor();
481: sdl_update_caption();
482: }
483:
1.1.1.3 ! root 484: static void sdl_mouse_mode_change(Notifier *notify, void *data)
1.1 root 485: {
486: if (kbd_mouse_is_absolute()) {
487: if (!absolute_enabled) {
488: sdl_hide_cursor();
489: if (gui_grab) {
490: sdl_grab_end();
491: }
492: absolute_enabled = 1;
493: }
494: } else if (absolute_enabled) {
495: sdl_show_cursor();
496: absolute_enabled = 0;
497: }
498: }
499:
500: static void sdl_send_mouse_event(int dx, int dy, int dz, int x, int y, int state)
501: {
502: int buttons;
503: buttons = 0;
504: if (state & SDL_BUTTON(SDL_BUTTON_LEFT))
505: buttons |= MOUSE_EVENT_LBUTTON;
506: if (state & SDL_BUTTON(SDL_BUTTON_RIGHT))
507: buttons |= MOUSE_EVENT_RBUTTON;
508: if (state & SDL_BUTTON(SDL_BUTTON_MIDDLE))
509: buttons |= MOUSE_EVENT_MBUTTON;
510:
511: if (kbd_mouse_is_absolute()) {
512: dx = x * 0x7FFF / (width - 1);
513: dy = y * 0x7FFF / (height - 1);
514: } else if (guest_cursor) {
515: x -= guest_x;
516: y -= guest_y;
517: guest_x += x;
518: guest_y += y;
519: dx = x;
520: dy = y;
521: }
522:
523: kbd_mouse_event(dx, dy, dz, buttons);
524: }
525:
526: static void toggle_full_screen(DisplayState *ds)
527: {
528: gui_fullscreen = !gui_fullscreen;
529: do_sdl_resize(real_screen->w, real_screen->h, real_screen->format->BitsPerPixel);
530: if (gui_fullscreen) {
531: scaling_active = 0;
532: gui_saved_grab = gui_grab;
533: sdl_grab_start();
534: } else {
535: if (!gui_saved_grab)
536: sdl_grab_end();
537: }
538: vga_hw_invalidate();
539: vga_hw_update();
540: }
541:
542: static void sdl_refresh(DisplayState *ds)
543: {
544: SDL_Event ev1, *ev = &ev1;
545: int mod_state;
546: int buttonstate = SDL_GetMouseState(NULL, NULL);
547:
548: if (last_vm_running != vm_running) {
549: last_vm_running = vm_running;
550: sdl_update_caption();
551: }
552:
553: vga_hw_update();
554: SDL_EnableUNICODE(!is_graphic_console());
555:
556: while (SDL_PollEvent(ev)) {
557: switch (ev->type) {
558: case SDL_VIDEOEXPOSE:
559: sdl_update(ds, 0, 0, real_screen->w, real_screen->h);
560: break;
561: case SDL_KEYDOWN:
562: case SDL_KEYUP:
563: if (ev->type == SDL_KEYDOWN) {
564: if (alt_grab) {
565: mod_state = (SDL_GetModState() & (gui_grab_code | KMOD_LSHIFT)) ==
566: (gui_grab_code | KMOD_LSHIFT);
567: } else if (ctrl_grab) {
568: mod_state = (SDL_GetModState() & KMOD_RCTRL) == KMOD_RCTRL;
569: } else {
570: mod_state = (SDL_GetModState() & gui_grab_code) ==
571: gui_grab_code;
572: }
573: gui_key_modifier_pressed = mod_state;
574: if (gui_key_modifier_pressed) {
575: int keycode;
576: keycode = sdl_keyevent_to_keycode(&ev->key);
577: switch(keycode) {
578: case 0x21: /* 'f' key on US keyboard */
579: toggle_full_screen(ds);
580: gui_keysym = 1;
581: break;
582: case 0x16: /* 'u' key on US keyboard */
583: scaling_active = 0;
584: sdl_resize(ds);
585: vga_hw_invalidate();
586: vga_hw_update();
587: break;
588: case 0x02 ... 0x0a: /* '1' to '9' keys */
589: /* Reset the modifiers sent to the current console */
590: reset_keys();
591: console_select(keycode - 0x02);
592: if (!is_graphic_console()) {
593: /* display grab if going to a text console */
594: if (gui_grab)
595: sdl_grab_end();
596: }
597: gui_keysym = 1;
598: break;
599: default:
600: break;
601: }
602: } else if (!is_graphic_console()) {
603: int keysym;
604: keysym = 0;
605: if (ev->key.keysym.mod & (KMOD_LCTRL | KMOD_RCTRL)) {
606: switch(ev->key.keysym.sym) {
607: case SDLK_UP: keysym = QEMU_KEY_CTRL_UP; break;
608: case SDLK_DOWN: keysym = QEMU_KEY_CTRL_DOWN; break;
609: case SDLK_LEFT: keysym = QEMU_KEY_CTRL_LEFT; break;
610: case SDLK_RIGHT: keysym = QEMU_KEY_CTRL_RIGHT; break;
611: case SDLK_HOME: keysym = QEMU_KEY_CTRL_HOME; break;
612: case SDLK_END: keysym = QEMU_KEY_CTRL_END; break;
613: case SDLK_PAGEUP: keysym = QEMU_KEY_CTRL_PAGEUP; break;
614: case SDLK_PAGEDOWN: keysym = QEMU_KEY_CTRL_PAGEDOWN; break;
615: default: break;
616: }
617: } else {
618: switch(ev->key.keysym.sym) {
619: case SDLK_UP: keysym = QEMU_KEY_UP; break;
620: case SDLK_DOWN: keysym = QEMU_KEY_DOWN; break;
621: case SDLK_LEFT: keysym = QEMU_KEY_LEFT; break;
622: case SDLK_RIGHT: keysym = QEMU_KEY_RIGHT; break;
623: case SDLK_HOME: keysym = QEMU_KEY_HOME; break;
624: case SDLK_END: keysym = QEMU_KEY_END; break;
625: case SDLK_PAGEUP: keysym = QEMU_KEY_PAGEUP; break;
626: case SDLK_PAGEDOWN: keysym = QEMU_KEY_PAGEDOWN; break;
627: case SDLK_BACKSPACE: keysym = QEMU_KEY_BACKSPACE; break;
628: case SDLK_DELETE: keysym = QEMU_KEY_DELETE; break;
629: default: break;
630: }
631: }
632: if (keysym) {
633: kbd_put_keysym(keysym);
634: } else if (ev->key.keysym.unicode != 0) {
635: kbd_put_keysym(ev->key.keysym.unicode);
636: }
637: }
638: } else if (ev->type == SDL_KEYUP) {
639: if (!alt_grab) {
640: mod_state = (ev->key.keysym.mod & gui_grab_code);
641: } else {
642: mod_state = (ev->key.keysym.mod &
643: (gui_grab_code | KMOD_LSHIFT));
644: }
645: if (!mod_state) {
646: if (gui_key_modifier_pressed) {
647: gui_key_modifier_pressed = 0;
648: if (gui_keysym == 0) {
649: /* exit/enter grab if pressing Ctrl-Alt */
650: if (!gui_grab) {
651: /* if the application is not active,
652: do not try to enter grab state. It
653: prevents
654: 'SDL_WM_GrabInput(SDL_GRAB_ON)'
655: from blocking all the application
656: (SDL bug). */
657: if (SDL_GetAppState() & SDL_APPACTIVE)
658: sdl_grab_start();
659: } else {
660: sdl_grab_end();
661: }
662: /* SDL does not send back all the
663: modifiers key, so we must correct it */
664: reset_keys();
665: break;
666: }
667: gui_keysym = 0;
668: }
669: }
670: }
671: if (is_graphic_console() && !gui_keysym)
672: sdl_process_key(&ev->key);
673: break;
674: case SDL_QUIT:
1.1.1.3 ! root 675: if (!no_quit) {
! 676: no_shutdown = 0;
1.1 root 677: qemu_system_shutdown_request();
1.1.1.3 ! root 678: }
1.1 root 679: break;
680: case SDL_MOUSEMOTION:
681: if (gui_grab || kbd_mouse_is_absolute() ||
682: absolute_enabled) {
683: sdl_send_mouse_event(ev->motion.xrel, ev->motion.yrel, 0,
684: ev->motion.x, ev->motion.y, ev->motion.state);
685: }
686: break;
687: case SDL_MOUSEBUTTONDOWN:
688: case SDL_MOUSEBUTTONUP:
689: {
690: SDL_MouseButtonEvent *bev = &ev->button;
691: if (!gui_grab && !kbd_mouse_is_absolute()) {
692: if (ev->type == SDL_MOUSEBUTTONDOWN &&
693: (bev->button == SDL_BUTTON_LEFT)) {
694: /* start grabbing all events */
695: sdl_grab_start();
696: }
697: } else {
698: int dz;
699: dz = 0;
700: if (ev->type == SDL_MOUSEBUTTONDOWN) {
701: buttonstate |= SDL_BUTTON(bev->button);
702: } else {
703: buttonstate &= ~SDL_BUTTON(bev->button);
704: }
705: #ifdef SDL_BUTTON_WHEELUP
706: if (bev->button == SDL_BUTTON_WHEELUP && ev->type == SDL_MOUSEBUTTONDOWN) {
707: dz = -1;
708: } else if (bev->button == SDL_BUTTON_WHEELDOWN && ev->type == SDL_MOUSEBUTTONDOWN) {
709: dz = 1;
710: }
711: #endif
712: sdl_send_mouse_event(0, 0, dz, bev->x, bev->y, buttonstate);
713: }
714: }
715: break;
716: case SDL_ACTIVEEVENT:
717: if (gui_grab && ev->active.state == SDL_APPINPUTFOCUS &&
718: !ev->active.gain && !gui_fullscreen_initial_grab) {
719: sdl_grab_end();
720: }
721: if (ev->active.state & SDL_APPACTIVE) {
722: if (ev->active.gain) {
723: /* Back to default interval */
724: dcl->gui_timer_interval = 0;
725: dcl->idle = 0;
726: } else {
727: /* Sleeping interval */
728: dcl->gui_timer_interval = 500;
729: dcl->idle = 1;
730: }
731: }
732: break;
733: case SDL_VIDEORESIZE:
734: {
735: SDL_ResizeEvent *rev = &ev->resize;
736: int bpp = real_screen->format->BitsPerPixel;
737: if (bpp != 16 && bpp != 32)
738: bpp = 32;
739: do_sdl_resize(rev->w, rev->h, bpp);
740: scaling_active = 1;
741: if (!is_buffer_shared(ds->surface)) {
742: ds->surface = qemu_resize_displaysurface(ds, ds_get_width(ds), ds_get_height(ds));
743: dpy_resize(ds);
744: }
745: vga_hw_invalidate();
746: vga_hw_update();
747: break;
748: }
749: default:
750: break;
751: }
752: }
753: }
754:
755: static void sdl_fill(DisplayState *ds, int x, int y, int w, int h, uint32_t c)
756: {
757: SDL_Rect dst = { x, y, w, h };
758: SDL_FillRect(real_screen, &dst, c);
759: }
760:
761: static void sdl_mouse_warp(int x, int y, int on)
762: {
763: if (on) {
764: if (!guest_cursor)
765: sdl_show_cursor();
766: if (gui_grab || kbd_mouse_is_absolute() || absolute_enabled) {
767: SDL_SetCursor(guest_sprite);
768: if (!kbd_mouse_is_absolute() && !absolute_enabled)
769: SDL_WarpMouse(x, y);
770: }
771: } else if (gui_grab)
772: sdl_hide_cursor();
773: guest_cursor = on;
774: guest_x = x, guest_y = y;
775: }
776:
777: static void sdl_mouse_define(QEMUCursor *c)
778: {
779: uint8_t *image, *mask;
780: int bpl;
781:
782: if (guest_sprite)
783: SDL_FreeCursor(guest_sprite);
784:
785: bpl = cursor_get_mono_bpl(c);
786: image = qemu_mallocz(bpl * c->height);
787: mask = qemu_mallocz(bpl * c->height);
788: cursor_get_mono_image(c, 0x000000, image);
789: cursor_get_mono_mask(c, 0, mask);
790: guest_sprite = SDL_CreateCursor(image, mask, c->width, c->height,
791: c->hot_x, c->hot_y);
792: qemu_free(image);
793: qemu_free(mask);
794:
795: if (guest_cursor &&
796: (gui_grab || kbd_mouse_is_absolute() || absolute_enabled))
797: SDL_SetCursor(guest_sprite);
798: }
799:
800: static void sdl_cleanup(void)
801: {
802: if (guest_sprite)
803: SDL_FreeCursor(guest_sprite);
804: SDL_QuitSubSystem(SDL_INIT_VIDEO);
805: }
806:
807: void sdl_display_init(DisplayState *ds, int full_screen, int no_frame)
808: {
809: int flags;
810: uint8_t data = 0;
811: DisplayAllocator *da;
812: const SDL_VideoInfo *vi;
1.1.1.3 ! root 813: char *filename;
1.1 root 814:
815: #if defined(__APPLE__)
816: /* always use generic keymaps */
817: if (!keyboard_layout)
818: keyboard_layout = "en-us";
819: #endif
820: if(keyboard_layout) {
821: kbd_layout = init_keyboard_layout(name2keysym, keyboard_layout);
822: if (!kbd_layout)
823: exit(1);
824: }
825:
826: if (no_frame)
827: gui_noframe = 1;
828:
829: if (!full_screen) {
830: setenv("SDL_VIDEO_ALLOW_SCREENSAVER", "1", 0);
831: }
1.1.1.3 ! root 832: #ifdef __linux__
! 833: /* on Linux, SDL may use fbcon|directfb|svgalib when run without
! 834: * accessible $DISPLAY to open X11 window. This is often the case
! 835: * when qemu is run using sudo. But in this case, and when actually
! 836: * run in X11 environment, SDL fights with X11 for the video card,
! 837: * making current display unavailable, often until reboot.
! 838: * So make x11 the default SDL video driver if this variable is unset.
! 839: * This is a bit hackish but saves us from bigger problem.
! 840: * Maybe it's a good idea to fix this in SDL instead.
! 841: */
! 842: setenv("SDL_VIDEODRIVER", "x11", 0);
! 843: #endif
1.1 root 844:
1.1.1.2 root 845: /* Enable normal up/down events for Caps-Lock and Num-Lock keys.
846: * This requires SDL >= 1.2.14. */
847: setenv("SDL_DISABLE_LOCK_KEYS", "1", 1);
848:
1.1 root 849: flags = SDL_INIT_VIDEO | SDL_INIT_NOPARACHUTE;
850: if (SDL_Init (flags)) {
851: fprintf(stderr, "Could not initialize SDL(%s) - exiting\n",
852: SDL_GetError());
853: exit(1);
854: }
855: vi = SDL_GetVideoInfo();
856: host_format = *(vi->vfmt);
857:
1.1.1.3 ! root 858: /* Load a 32x32x4 image. White pixels are transparent. */
! 859: filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, "qemu-icon.bmp");
! 860: if (filename) {
! 861: SDL_Surface *image = SDL_LoadBMP(filename);
! 862: if (image) {
! 863: uint32_t colorkey = SDL_MapRGB(image->format, 255, 255, 255);
! 864: SDL_SetColorKey(image, SDL_SRCCOLORKEY, colorkey);
! 865: SDL_WM_SetIcon(image, NULL);
! 866: }
! 867: qemu_free(filename);
! 868: }
! 869:
1.1 root 870: dcl = qemu_mallocz(sizeof(DisplayChangeListener));
871: dcl->dpy_update = sdl_update;
872: dcl->dpy_resize = sdl_resize;
873: dcl->dpy_refresh = sdl_refresh;
874: dcl->dpy_setdata = sdl_setdata;
875: dcl->dpy_fill = sdl_fill;
876: ds->mouse_set = sdl_mouse_warp;
877: ds->cursor_define = sdl_mouse_define;
878: register_displaychangelistener(ds, dcl);
879:
880: da = qemu_mallocz(sizeof(DisplayAllocator));
881: da->create_displaysurface = sdl_create_displaysurface;
882: da->resize_displaysurface = sdl_resize_displaysurface;
883: da->free_displaysurface = sdl_free_displaysurface;
884: if (register_displayallocator(ds, da) == da) {
885: dpy_resize(ds);
886: }
887:
888: mouse_mode_notifier.notify = sdl_mouse_mode_change;
889: qemu_add_mouse_mode_change_notifier(&mouse_mode_notifier);
890:
891: sdl_update_caption();
892: SDL_EnableKeyRepeat(250, 50);
893: gui_grab = 0;
894:
895: sdl_cursor_hidden = SDL_CreateCursor(&data, &data, 8, 1, 0, 0);
896: sdl_cursor_normal = SDL_GetCursor();
897:
898: atexit(sdl_cleanup);
899: if (full_screen) {
900: gui_fullscreen = 1;
901: gui_fullscreen_initial_grab = 1;
902: sdl_grab_start();
903: }
904: }
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