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/*
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 * QEMU SDL display driver
3
 *
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 * Copyright (c) 2003 Fabrice Bellard
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 *
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 * Permission is hereby granted, free of charge, to any person obtaining a copy
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 * of this software and associated documentation files (the "Software"), to deal
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 * in the Software without restriction, including without limitation the rights
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 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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 * copies of the Software, and to permit persons to whom the Software is
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 * furnished to do so, subject to the following conditions:
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 *
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 * The above copyright notice and this permission notice shall be included in
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 * all copies or substantial portions of the Software.
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 *
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 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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 * THE SOFTWARE.
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 */
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25
/* Avoid compiler warning because macro is redefined in SDL_syswm.h. */
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#undef WIN32_LEAN_AND_MEAN
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28
#include <SDL.h>
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#include <SDL_syswm.h>
30

    
31
#ifndef _WIN32
32
#include <signal.h>
33
#endif
34

    
35
#include "qemu-common.h"
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#include "console.h"
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#include "sysemu.h"
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#include "x_keymap.h"
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#include "sdl_zoom.h"
40

    
41
static DisplayChangeListener *dcl;
42
static SDL_Surface *real_screen;
43
static SDL_Surface *guest_screen = NULL;
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static int gui_grab; /* if true, all keyboard/mouse events are grabbed */
45
static int last_vm_running;
46
static int gui_saved_grab;
47
static int gui_fullscreen;
48
static int gui_noframe;
49
static int gui_key_modifier_pressed;
50
static int gui_keysym;
51
static int gui_fullscreen_initial_grab;
52
static int gui_grab_code = KMOD_LALT | KMOD_LCTRL;
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static uint8_t modifiers_state[256];
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static int width, height;
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static SDL_Cursor *sdl_cursor_normal;
56
static SDL_Cursor *sdl_cursor_hidden;
57
static int absolute_enabled = 0;
58
static int guest_cursor = 0;
59
static int guest_x, guest_y;
60
static SDL_Cursor *guest_sprite = NULL;
61
static uint8_t allocator;
62
static SDL_PixelFormat host_format;
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static int scaling_active = 0;
64
static Notifier mouse_mode_notifier;
65

    
66
static void sdl_update(DisplayState *ds, int x, int y, int w, int h)
67
{
68
    //    printf("updating x=%d y=%d w=%d h=%d\n", x, y, w, h);
69
    SDL_Rect rec;
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    rec.x = x;
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    rec.y = y;
72
    rec.w = w;
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    rec.h = h;
74

    
75
    if (guest_screen) {
76
        if (!scaling_active) {
77
            SDL_BlitSurface(guest_screen, &rec, real_screen, &rec);
78
        } else {
79
            if (sdl_zoom_blit(guest_screen, real_screen, SMOOTHING_ON, &rec) < 0) {
80
                fprintf(stderr, "Zoom blit failed\n");
81
                exit(1);
82
            }
83
        }
84
    } 
85
    SDL_UpdateRect(real_screen, rec.x, rec.y, rec.w, rec.h);
86
}
87

    
88
static void sdl_setdata(DisplayState *ds)
89
{
90
    SDL_Rect rec;
91
    rec.x = 0;
92
    rec.y = 0;
93
    rec.w = real_screen->w;
94
    rec.h = real_screen->h;
95

    
96
    if (guest_screen != NULL) SDL_FreeSurface(guest_screen);
97

    
98
    guest_screen = SDL_CreateRGBSurfaceFrom(ds_get_data(ds), ds_get_width(ds), ds_get_height(ds),
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                                            ds_get_bits_per_pixel(ds), ds_get_linesize(ds),
100
                                            ds->surface->pf.rmask, ds->surface->pf.gmask,
101
                                            ds->surface->pf.bmask, ds->surface->pf.amask);
102
}
103

    
104
static void do_sdl_resize(int new_width, int new_height, int bpp)
105
{
106
    int flags;
107

    
108
    //    printf("resizing to %d %d\n", w, h);
109

    
110
    flags = SDL_HWSURFACE|SDL_ASYNCBLIT|SDL_HWACCEL|SDL_RESIZABLE;
111
    if (gui_fullscreen)
112
        flags |= SDL_FULLSCREEN;
113
    if (gui_noframe)
114
        flags |= SDL_NOFRAME;
115

    
116
    width = new_width;
117
    height = new_height;
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    real_screen = SDL_SetVideoMode(width, height, bpp, flags);
119
    if (!real_screen) {
120
        fprintf(stderr, "Could not open SDL display (%dx%dx%d): %s\n", width, 
121
                height, bpp, SDL_GetError());
122
        exit(1);
123
    }
124
}
125

    
126
static void sdl_resize(DisplayState *ds)
127
{
128
    if  (!allocator) {
129
        if (!scaling_active)
130
            do_sdl_resize(ds_get_width(ds), ds_get_height(ds), 0);
131
        else if (real_screen->format->BitsPerPixel != ds_get_bits_per_pixel(ds))
132
            do_sdl_resize(real_screen->w, real_screen->h, ds_get_bits_per_pixel(ds));
133
        sdl_setdata(ds);
134
    } else {
135
        if (guest_screen != NULL) {
136
            SDL_FreeSurface(guest_screen);
137
            guest_screen = NULL;
138
        }
139
    }
140
}
141

    
142
static PixelFormat sdl_to_qemu_pixelformat(SDL_PixelFormat *sdl_pf)
143
{
144
    PixelFormat qemu_pf;
145

    
146
    memset(&qemu_pf, 0x00, sizeof(PixelFormat));
147

    
148
    qemu_pf.bits_per_pixel = sdl_pf->BitsPerPixel;
149
    qemu_pf.bytes_per_pixel = sdl_pf->BytesPerPixel;
150
    qemu_pf.depth = (qemu_pf.bits_per_pixel) == 32 ? 24 : (qemu_pf.bits_per_pixel);
151

    
152
    qemu_pf.rmask = sdl_pf->Rmask;
153
    qemu_pf.gmask = sdl_pf->Gmask;
154
    qemu_pf.bmask = sdl_pf->Bmask;
155
    qemu_pf.amask = sdl_pf->Amask;
156

    
157
    qemu_pf.rshift = sdl_pf->Rshift;
158
    qemu_pf.gshift = sdl_pf->Gshift;
159
    qemu_pf.bshift = sdl_pf->Bshift;
160
    qemu_pf.ashift = sdl_pf->Ashift;
161

    
162
    qemu_pf.rbits = 8 - sdl_pf->Rloss;
163
    qemu_pf.gbits = 8 - sdl_pf->Gloss;
164
    qemu_pf.bbits = 8 - sdl_pf->Bloss;
165
    qemu_pf.abits = 8 - sdl_pf->Aloss;
166

    
167
    qemu_pf.rmax = ((1 << qemu_pf.rbits) - 1);
168
    qemu_pf.gmax = ((1 << qemu_pf.gbits) - 1);
169
    qemu_pf.bmax = ((1 << qemu_pf.bbits) - 1);
170
    qemu_pf.amax = ((1 << qemu_pf.abits) - 1);
171

    
172
    return qemu_pf;
173
}
174

    
175
static DisplaySurface* sdl_create_displaysurface(int width, int height)
176
{
177
    DisplaySurface *surface = (DisplaySurface*) qemu_mallocz(sizeof(DisplaySurface));
178
    if (surface == NULL) {
179
        fprintf(stderr, "sdl_create_displaysurface: malloc failed\n");
180
        exit(1);
181
    }
182

    
183
    surface->width = width;
184
    surface->height = height;
185
    
186
    if (scaling_active) {
187
        if (host_format.BytesPerPixel != 2 && host_format.BytesPerPixel != 4) {
188
            surface->linesize = width * 4;
189
            surface->pf = qemu_default_pixelformat(32);
190
        } else {
191
            surface->linesize = width * host_format.BytesPerPixel;
192
            surface->pf = sdl_to_qemu_pixelformat(&host_format);
193
        }
194
#ifdef HOST_WORDS_BIGENDIAN
195
        surface->flags = QEMU_ALLOCATED_FLAG | QEMU_BIG_ENDIAN_FLAG;
196
#else
197
        surface->flags = QEMU_ALLOCATED_FLAG;
198
#endif
199
        surface->data = (uint8_t*) qemu_mallocz(surface->linesize * surface->height);
200

    
201
        return surface;
202
    }
203

    
204
    if (host_format.BitsPerPixel == 16)
205
        do_sdl_resize(width, height, 16);
206
    else
207
        do_sdl_resize(width, height, 32);
208

    
209
    surface->pf = sdl_to_qemu_pixelformat(real_screen->format);
210
    surface->linesize = real_screen->pitch;
211
    surface->data = real_screen->pixels;
212

    
213
#ifdef HOST_WORDS_BIGENDIAN
214
    surface->flags = QEMU_REALPIXELS_FLAG | QEMU_BIG_ENDIAN_FLAG;
215
#else
216
    surface->flags = QEMU_REALPIXELS_FLAG;
217
#endif
218
    allocator = 1;
219

    
220
    return surface;
221
}
222

    
223
static void sdl_free_displaysurface(DisplaySurface *surface)
224
{
225
    allocator = 0;
226
    if (surface == NULL)
227
        return;
228

    
229
    if (surface->flags & QEMU_ALLOCATED_FLAG)
230
        qemu_free(surface->data);
231
    qemu_free(surface);
232
}
233

    
234
static DisplaySurface* sdl_resize_displaysurface(DisplaySurface *surface, int width, int height)
235
{
236
    sdl_free_displaysurface(surface);
237
    return sdl_create_displaysurface(width, height);
238
}
239

    
240
/* generic keyboard conversion */
241

    
242
#include "sdl_keysym.h"
243

    
244
static kbd_layout_t *kbd_layout = NULL;
245

    
246
static uint8_t sdl_keyevent_to_keycode_generic(const SDL_KeyboardEvent *ev)
247
{
248
    int keysym;
249
    /* workaround for X11+SDL bug with AltGR */
250
    keysym = ev->keysym.sym;
251
    if (keysym == 0 && ev->keysym.scancode == 113)
252
        keysym = SDLK_MODE;
253
    /* For Japanese key '\' and '|' */
254
    if (keysym == 92 && ev->keysym.scancode == 133) {
255
        keysym = 0xa5;
256
    }
257
    return keysym2scancode(kbd_layout, keysym) & SCANCODE_KEYMASK;
258
}
259

    
260
/* specific keyboard conversions from scan codes */
261

    
262
#if defined(_WIN32)
263

    
264
static uint8_t sdl_keyevent_to_keycode(const SDL_KeyboardEvent *ev)
265
{
266
    return ev->keysym.scancode;
267
}
268

    
269
#else
270

    
271
#if defined(SDL_VIDEO_DRIVER_X11)
272
#include <X11/XKBlib.h>
273

    
274
static int check_for_evdev(void)
275
{
276
    SDL_SysWMinfo info;
277
    XkbDescPtr desc = NULL;
278
    int has_evdev = 0;
279
    char *keycodes = NULL;
280

    
281
    SDL_VERSION(&info.version);
282
    if (!SDL_GetWMInfo(&info)) {
283
        return 0;
284
    }
285
    desc = XkbGetKeyboard(info.info.x11.display,
286
                          XkbGBN_AllComponentsMask,
287
                          XkbUseCoreKbd);
288
    if (desc && desc->names) {
289
        keycodes = XGetAtomName(info.info.x11.display, desc->names->keycodes);
290
        if (keycodes == NULL) {
291
            fprintf(stderr, "could not lookup keycode name\n");
292
        } else if (strstart(keycodes, "evdev", NULL)) {
293
            has_evdev = 1;
294
        } else if (!strstart(keycodes, "xfree86", NULL)) {
295
            fprintf(stderr, "unknown keycodes `%s', please report to "
296
                    "qemu-devel@nongnu.org\n", keycodes);
297
        }
298
    }
299

    
300
    if (desc) {
301
        XkbFreeKeyboard(desc, XkbGBN_AllComponentsMask, True);
302
    }
303
    if (keycodes) {
304
        XFree(keycodes);
305
    }
306
    return has_evdev;
307
}
308
#else
309
static int check_for_evdev(void)
310
{
311
        return 0;
312
}
313
#endif
314

    
315
static uint8_t sdl_keyevent_to_keycode(const SDL_KeyboardEvent *ev)
316
{
317
    int keycode;
318
    static int has_evdev = -1;
319

    
320
    if (has_evdev == -1)
321
        has_evdev = check_for_evdev();
322

    
323
    keycode = ev->keysym.scancode;
324

    
325
    if (keycode < 9) {
326
        keycode = 0;
327
    } else if (keycode < 97) {
328
        keycode -= 8; /* just an offset */
329
    } else if (keycode < 158) {
330
        /* use conversion table */
331
        if (has_evdev)
332
            keycode = translate_evdev_keycode(keycode - 97);
333
        else
334
            keycode = translate_xfree86_keycode(keycode - 97);
335
    } else if (keycode == 208) { /* Hiragana_Katakana */
336
        keycode = 0x70;
337
    } else if (keycode == 211) { /* backslash */
338
        keycode = 0x73;
339
    } else {
340
        keycode = 0;
341
    }
342
    return keycode;
343
}
344

    
345
#endif
346

    
347
static void reset_keys(void)
348
{
349
    int i;
350
    for(i = 0; i < 256; i++) {
351
        if (modifiers_state[i]) {
352
            if (i & SCANCODE_GREY)
353
                kbd_put_keycode(SCANCODE_EMUL0);
354
            kbd_put_keycode(i | SCANCODE_UP);
355
            modifiers_state[i] = 0;
356
        }
357
    }
358
}
359

    
360
static void sdl_process_key(SDL_KeyboardEvent *ev)
361
{
362
    int keycode, v;
363

    
364
    if (ev->keysym.sym == SDLK_PAUSE) {
365
        /* specific case */
366
        v = 0;
367
        if (ev->type == SDL_KEYUP)
368
            v |= SCANCODE_UP;
369
        kbd_put_keycode(0xe1);
370
        kbd_put_keycode(0x1d | v);
371
        kbd_put_keycode(0x45 | v);
372
        return;
373
    }
374

    
375
    if (kbd_layout) {
376
        keycode = sdl_keyevent_to_keycode_generic(ev);
377
    } else {
378
        keycode = sdl_keyevent_to_keycode(ev);
379
    }
380

    
381
    switch(keycode) {
382
    case 0x00:
383
        /* sent when leaving window: reset the modifiers state */
384
        reset_keys();
385
        return;
386
    case 0x2a:                          /* Left Shift */
387
    case 0x36:                          /* Right Shift */
388
    case 0x1d:                          /* Left CTRL */
389
    case 0x9d:                          /* Right CTRL */
390
    case 0x38:                          /* Left ALT */
391
    case 0xb8:                         /* Right ALT */
392
        if (ev->type == SDL_KEYUP)
393
            modifiers_state[keycode] = 0;
394
        else
395
            modifiers_state[keycode] = 1;
396
        break;
397
    case 0x45: /* num lock */
398
    case 0x3a: /* caps lock */
399
        /* SDL does not send the key up event, so we generate it */
400
        kbd_put_keycode(keycode);
401
        kbd_put_keycode(keycode | SCANCODE_UP);
402
        return;
403
    }
404

    
405
    /* now send the key code */
406
    if (keycode & SCANCODE_GREY)
407
        kbd_put_keycode(SCANCODE_EMUL0);
408
    if (ev->type == SDL_KEYUP)
409
        kbd_put_keycode(keycode | SCANCODE_UP);
410
    else
411
        kbd_put_keycode(keycode & SCANCODE_KEYCODEMASK);
412
}
413

    
414
static void sdl_update_caption(void)
415
{
416
    char win_title[1024];
417
    char icon_title[1024];
418
    const char *status = "";
419

    
420
    if (!vm_running)
421
        status = " [Stopped]";
422
    else if (gui_grab) {
423
        if (alt_grab)
424
            status = " - Press Ctrl-Alt-Shift to exit mouse grab";
425
        else if (ctrl_grab)
426
            status = " - Press Right-Ctrl to exit mouse grab";
427
        else
428
            status = " - Press Ctrl-Alt to exit mouse grab";
429
    }
430

    
431
    if (qemu_name) {
432
        snprintf(win_title, sizeof(win_title), "QEMU (%s)%s", qemu_name, status);
433
        snprintf(icon_title, sizeof(icon_title), "QEMU (%s)", qemu_name);
434
    } else {
435
        snprintf(win_title, sizeof(win_title), "QEMU%s", status);
436
        snprintf(icon_title, sizeof(icon_title), "QEMU");
437
    }
438

    
439
    SDL_WM_SetCaption(win_title, icon_title);
440
}
441

    
442
static void sdl_hide_cursor(void)
443
{
444
    if (!cursor_hide)
445
        return;
446

    
447
    if (kbd_mouse_is_absolute()) {
448
        SDL_ShowCursor(1);
449
        SDL_SetCursor(sdl_cursor_hidden);
450
    } else {
451
        SDL_ShowCursor(0);
452
    }
453
}
454

    
455
static void sdl_show_cursor(void)
456
{
457
    if (!cursor_hide)
458
        return;
459

    
460
    if (!kbd_mouse_is_absolute()) {
461
        SDL_ShowCursor(1);
462
        if (guest_cursor &&
463
                (gui_grab || kbd_mouse_is_absolute() || absolute_enabled))
464
            SDL_SetCursor(guest_sprite);
465
        else
466
            SDL_SetCursor(sdl_cursor_normal);
467
    }
468
}
469

    
470
static void sdl_grab_start(void)
471
{
472
    if (guest_cursor) {
473
        SDL_SetCursor(guest_sprite);
474
        if (!kbd_mouse_is_absolute() && !absolute_enabled)
475
            SDL_WarpMouse(guest_x, guest_y);
476
    } else
477
        sdl_hide_cursor();
478

    
479
    if (SDL_WM_GrabInput(SDL_GRAB_ON) == SDL_GRAB_ON) {
480
        gui_grab = 1;
481
        sdl_update_caption();
482
    } else
483
        sdl_show_cursor();
484
}
485

    
486
static void sdl_grab_end(void)
487
{
488
    SDL_WM_GrabInput(SDL_GRAB_OFF);
489
    gui_grab = 0;
490
    sdl_show_cursor();
491
    sdl_update_caption();
492
}
493

    
494
static void sdl_mouse_mode_change(Notifier *notify)
495
{
496
    if (kbd_mouse_is_absolute()) {
497
        if (!absolute_enabled) {
498
            sdl_hide_cursor();
499
            if (gui_grab) {
500
                sdl_grab_end();
501
            }
502
            absolute_enabled = 1;
503
        }
504
    } else if (absolute_enabled) {
505
        sdl_show_cursor();
506
        absolute_enabled = 0;
507
    }
508
}
509

    
510
static void sdl_send_mouse_event(int dx, int dy, int dz, int x, int y, int state)
511
{
512
    int buttons;
513
    buttons = 0;
514
    if (state & SDL_BUTTON(SDL_BUTTON_LEFT))
515
        buttons |= MOUSE_EVENT_LBUTTON;
516
    if (state & SDL_BUTTON(SDL_BUTTON_RIGHT))
517
        buttons |= MOUSE_EVENT_RBUTTON;
518
    if (state & SDL_BUTTON(SDL_BUTTON_MIDDLE))
519
        buttons |= MOUSE_EVENT_MBUTTON;
520

    
521
    if (kbd_mouse_is_absolute()) {
522
       dx = x * 0x7FFF / (width - 1);
523
       dy = y * 0x7FFF / (height - 1);
524
    } else if (guest_cursor) {
525
        x -= guest_x;
526
        y -= guest_y;
527
        guest_x += x;
528
        guest_y += y;
529
        dx = x;
530
        dy = y;
531
    }
532

    
533
    kbd_mouse_event(dx, dy, dz, buttons);
534
}
535

    
536
static void toggle_full_screen(DisplayState *ds)
537
{
538
    gui_fullscreen = !gui_fullscreen;
539
    do_sdl_resize(real_screen->w, real_screen->h, real_screen->format->BitsPerPixel);
540
    if (gui_fullscreen) {
541
        scaling_active = 0;
542
        gui_saved_grab = gui_grab;
543
        sdl_grab_start();
544
    } else {
545
        if (!gui_saved_grab)
546
            sdl_grab_end();
547
    }
548
    vga_hw_invalidate();
549
    vga_hw_update();
550
}
551

    
552
static void sdl_refresh(DisplayState *ds)
553
{
554
    SDL_Event ev1, *ev = &ev1;
555
    int mod_state;
556
    int buttonstate = SDL_GetMouseState(NULL, NULL);
557

    
558
    if (last_vm_running != vm_running) {
559
        last_vm_running = vm_running;
560
        sdl_update_caption();
561
    }
562

    
563
    vga_hw_update();
564
    SDL_EnableUNICODE(!is_graphic_console());
565

    
566
    while (SDL_PollEvent(ev)) {
567
        switch (ev->type) {
568
        case SDL_VIDEOEXPOSE:
569
            sdl_update(ds, 0, 0, real_screen->w, real_screen->h);
570
            break;
571
        case SDL_KEYDOWN:
572
        case SDL_KEYUP:
573
            if (ev->type == SDL_KEYDOWN) {
574
                if (alt_grab) {
575
                    mod_state = (SDL_GetModState() & (gui_grab_code | KMOD_LSHIFT)) ==
576
                                (gui_grab_code | KMOD_LSHIFT);
577
                } else if (ctrl_grab) {
578
                    mod_state = (SDL_GetModState() & KMOD_RCTRL) == KMOD_RCTRL;
579
                } else {
580
                    mod_state = (SDL_GetModState() & gui_grab_code) ==
581
                                gui_grab_code;
582
                }
583
                gui_key_modifier_pressed = mod_state;
584
                if (gui_key_modifier_pressed) {
585
                    int keycode;
586
                    keycode = sdl_keyevent_to_keycode(&ev->key);
587
                    switch(keycode) {
588
                    case 0x21: /* 'f' key on US keyboard */
589
                        toggle_full_screen(ds);
590
                        gui_keysym = 1;
591
                        break;
592
                    case 0x16: /* 'u' key on US keyboard */
593
                        scaling_active = 0;
594
                        sdl_resize(ds);
595
                        vga_hw_invalidate();
596
                        vga_hw_update();
597
                        break;
598
                    case 0x02 ... 0x0a: /* '1' to '9' keys */
599
                        /* Reset the modifiers sent to the current console */
600
                        reset_keys();
601
                        console_select(keycode - 0x02);
602
                        if (!is_graphic_console()) {
603
                            /* display grab if going to a text console */
604
                            if (gui_grab)
605
                                sdl_grab_end();
606
                        }
607
                        gui_keysym = 1;
608
                        break;
609
                    default:
610
                        break;
611
                    }
612
                } else if (!is_graphic_console()) {
613
                    int keysym;
614
                    keysym = 0;
615
                    if (ev->key.keysym.mod & (KMOD_LCTRL | KMOD_RCTRL)) {
616
                        switch(ev->key.keysym.sym) {
617
                        case SDLK_UP: keysym = QEMU_KEY_CTRL_UP; break;
618
                        case SDLK_DOWN: keysym = QEMU_KEY_CTRL_DOWN; break;
619
                        case SDLK_LEFT: keysym = QEMU_KEY_CTRL_LEFT; break;
620
                        case SDLK_RIGHT: keysym = QEMU_KEY_CTRL_RIGHT; break;
621
                        case SDLK_HOME: keysym = QEMU_KEY_CTRL_HOME; break;
622
                        case SDLK_END: keysym = QEMU_KEY_CTRL_END; break;
623
                        case SDLK_PAGEUP: keysym = QEMU_KEY_CTRL_PAGEUP; break;
624
                        case SDLK_PAGEDOWN: keysym = QEMU_KEY_CTRL_PAGEDOWN; break;
625
                        default: break;
626
                        }
627
                    } else {
628
                        switch(ev->key.keysym.sym) {
629
                        case SDLK_UP: keysym = QEMU_KEY_UP; break;
630
                        case SDLK_DOWN: keysym = QEMU_KEY_DOWN; break;
631
                        case SDLK_LEFT: keysym = QEMU_KEY_LEFT; break;
632
                        case SDLK_RIGHT: keysym = QEMU_KEY_RIGHT; break;
633
                        case SDLK_HOME: keysym = QEMU_KEY_HOME; break;
634
                        case SDLK_END: keysym = QEMU_KEY_END; break;
635
                        case SDLK_PAGEUP: keysym = QEMU_KEY_PAGEUP; break;
636
                        case SDLK_PAGEDOWN: keysym = QEMU_KEY_PAGEDOWN; break;
637
                        case SDLK_BACKSPACE: keysym = QEMU_KEY_BACKSPACE; break;
638
                        case SDLK_DELETE: keysym = QEMU_KEY_DELETE; break;
639
                        default: break;
640
                        }
641
                    }
642
                    if (keysym) {
643
                        kbd_put_keysym(keysym);
644
                    } else if (ev->key.keysym.unicode != 0) {
645
                        kbd_put_keysym(ev->key.keysym.unicode);
646
                    }
647
                }
648
            } else if (ev->type == SDL_KEYUP) {
649
                if (!alt_grab) {
650
                    mod_state = (ev->key.keysym.mod & gui_grab_code);
651
                } else {
652
                    mod_state = (ev->key.keysym.mod &
653
                                 (gui_grab_code | KMOD_LSHIFT));
654
                }
655
                if (!mod_state) {
656
                    if (gui_key_modifier_pressed) {
657
                        gui_key_modifier_pressed = 0;
658
                        if (gui_keysym == 0) {
659
                            /* exit/enter grab if pressing Ctrl-Alt */
660
                            if (!gui_grab) {
661
                                /* if the application is not active,
662
                                   do not try to enter grab state. It
663
                                   prevents
664
                                   'SDL_WM_GrabInput(SDL_GRAB_ON)'
665
                                   from blocking all the application
666
                                   (SDL bug). */
667
                                if (SDL_GetAppState() & SDL_APPACTIVE)
668
                                    sdl_grab_start();
669
                            } else {
670
                                sdl_grab_end();
671
                            }
672
                            /* SDL does not send back all the
673
                               modifiers key, so we must correct it */
674
                            reset_keys();
675
                            break;
676
                        }
677
                        gui_keysym = 0;
678
                    }
679
                }
680
            }
681
            if (is_graphic_console() && !gui_keysym)
682
                sdl_process_key(&ev->key);
683
            break;
684
        case SDL_QUIT:
685
            if (!no_quit)
686
                qemu_system_shutdown_request();
687
            break;
688
        case SDL_MOUSEMOTION:
689
            if (gui_grab || kbd_mouse_is_absolute() ||
690
                absolute_enabled) {
691
                sdl_send_mouse_event(ev->motion.xrel, ev->motion.yrel, 0,
692
                       ev->motion.x, ev->motion.y, ev->motion.state);
693
            }
694
            break;
695
        case SDL_MOUSEBUTTONDOWN:
696
        case SDL_MOUSEBUTTONUP:
697
            {
698
                SDL_MouseButtonEvent *bev = &ev->button;
699
                if (!gui_grab && !kbd_mouse_is_absolute()) {
700
                    if (ev->type == SDL_MOUSEBUTTONDOWN &&
701
                        (bev->button == SDL_BUTTON_LEFT)) {
702
                        /* start grabbing all events */
703
                        sdl_grab_start();
704
                    }
705
                } else {
706
                    int dz;
707
                    dz = 0;
708
                    if (ev->type == SDL_MOUSEBUTTONDOWN) {
709
                        buttonstate |= SDL_BUTTON(bev->button);
710
                    } else {
711
                        buttonstate &= ~SDL_BUTTON(bev->button);
712
                    }
713
#ifdef SDL_BUTTON_WHEELUP
714
                    if (bev->button == SDL_BUTTON_WHEELUP && ev->type == SDL_MOUSEBUTTONDOWN) {
715
                        dz = -1;
716
                    } else if (bev->button == SDL_BUTTON_WHEELDOWN && ev->type == SDL_MOUSEBUTTONDOWN) {
717
                        dz = 1;
718
                    }
719
#endif
720
                    sdl_send_mouse_event(0, 0, dz, bev->x, bev->y, buttonstate);
721
                }
722
            }
723
            break;
724
        case SDL_ACTIVEEVENT:
725
            if (gui_grab && ev->active.state == SDL_APPINPUTFOCUS &&
726
                !ev->active.gain && !gui_fullscreen_initial_grab) {
727
                sdl_grab_end();
728
            }
729
            if (ev->active.state & SDL_APPACTIVE) {
730
                if (ev->active.gain) {
731
                    /* Back to default interval */
732
                    dcl->gui_timer_interval = 0;
733
                    dcl->idle = 0;
734
                } else {
735
                    /* Sleeping interval */
736
                    dcl->gui_timer_interval = 500;
737
                    dcl->idle = 1;
738
                }
739
            }
740
            break;
741
        case SDL_VIDEORESIZE:
742
        {
743
            SDL_ResizeEvent *rev = &ev->resize;
744
            int bpp = real_screen->format->BitsPerPixel;
745
            if (bpp != 16 && bpp != 32)
746
                bpp = 32;
747
            do_sdl_resize(rev->w, rev->h, bpp);
748
            scaling_active = 1;
749
            if (!is_buffer_shared(ds->surface)) {
750
                ds->surface = qemu_resize_displaysurface(ds, ds_get_width(ds), ds_get_height(ds));
751
                dpy_resize(ds);
752
            }
753
            vga_hw_invalidate();
754
            vga_hw_update();
755
            break;
756
        }
757
        default:
758
            break;
759
        }
760
    }
761
}
762

    
763
static void sdl_fill(DisplayState *ds, int x, int y, int w, int h, uint32_t c)
764
{
765
    SDL_Rect dst = { x, y, w, h };
766
    SDL_FillRect(real_screen, &dst, c);
767
}
768

    
769
static void sdl_mouse_warp(int x, int y, int on)
770
{
771
    if (on) {
772
        if (!guest_cursor)
773
            sdl_show_cursor();
774
        if (gui_grab || kbd_mouse_is_absolute() || absolute_enabled) {
775
            SDL_SetCursor(guest_sprite);
776
            if (!kbd_mouse_is_absolute() && !absolute_enabled)
777
                SDL_WarpMouse(x, y);
778
        }
779
    } else if (gui_grab)
780
        sdl_hide_cursor();
781
    guest_cursor = on;
782
    guest_x = x, guest_y = y;
783
}
784

    
785
static void sdl_mouse_define(QEMUCursor *c)
786
{
787
    uint8_t *image, *mask;
788
    int bpl;
789

    
790
    if (guest_sprite)
791
        SDL_FreeCursor(guest_sprite);
792

    
793
    bpl = cursor_get_mono_bpl(c);
794
    image = qemu_mallocz(bpl * c->height);
795
    mask  = qemu_mallocz(bpl * c->height);
796
    cursor_get_mono_image(c, 0x000000, image);
797
    cursor_get_mono_mask(c, 0, mask);
798
    guest_sprite = SDL_CreateCursor(image, mask, c->width, c->height,
799
                                    c->hot_x, c->hot_y);
800
    qemu_free(image);
801
    qemu_free(mask);
802

    
803
    if (guest_cursor &&
804
            (gui_grab || kbd_mouse_is_absolute() || absolute_enabled))
805
        SDL_SetCursor(guest_sprite);
806
}
807

    
808
static void sdl_cleanup(void)
809
{
810
    if (guest_sprite)
811
        SDL_FreeCursor(guest_sprite);
812
    SDL_QuitSubSystem(SDL_INIT_VIDEO);
813
}
814

    
815
void sdl_display_init(DisplayState *ds, int full_screen, int no_frame)
816
{
817
    int flags;
818
    uint8_t data = 0;
819
    DisplayAllocator *da;
820
    const SDL_VideoInfo *vi;
821

    
822
#if defined(__APPLE__)
823
    /* always use generic keymaps */
824
    if (!keyboard_layout)
825
        keyboard_layout = "en-us";
826
#endif
827
    if(keyboard_layout) {
828
        kbd_layout = init_keyboard_layout(name2keysym, keyboard_layout);
829
        if (!kbd_layout)
830
            exit(1);
831
    }
832

    
833
    if (no_frame)
834
        gui_noframe = 1;
835

    
836
    if (!full_screen) {
837
        setenv("SDL_VIDEO_ALLOW_SCREENSAVER", "1", 0);
838
    }
839

    
840
    flags = SDL_INIT_VIDEO | SDL_INIT_NOPARACHUTE;
841
    if (SDL_Init (flags)) {
842
        fprintf(stderr, "Could not initialize SDL(%s) - exiting\n",
843
                SDL_GetError());
844
        exit(1);
845
    }
846
    vi = SDL_GetVideoInfo();
847
    host_format = *(vi->vfmt);
848

    
849
    dcl = qemu_mallocz(sizeof(DisplayChangeListener));
850
    dcl->dpy_update = sdl_update;
851
    dcl->dpy_resize = sdl_resize;
852
    dcl->dpy_refresh = sdl_refresh;
853
    dcl->dpy_setdata = sdl_setdata;
854
    dcl->dpy_fill = sdl_fill;
855
    ds->mouse_set = sdl_mouse_warp;
856
    ds->cursor_define = sdl_mouse_define;
857
    register_displaychangelistener(ds, dcl);
858

    
859
    da = qemu_mallocz(sizeof(DisplayAllocator));
860
    da->create_displaysurface = sdl_create_displaysurface;
861
    da->resize_displaysurface = sdl_resize_displaysurface;
862
    da->free_displaysurface = sdl_free_displaysurface;
863
    if (register_displayallocator(ds, da) == da) {
864
        dpy_resize(ds);
865
    }
866

    
867
    mouse_mode_notifier.notify = sdl_mouse_mode_change;
868
    qemu_add_mouse_mode_change_notifier(&mouse_mode_notifier);
869

    
870
    sdl_update_caption();
871
    SDL_EnableKeyRepeat(250, 50);
872
    gui_grab = 0;
873

    
874
    sdl_cursor_hidden = SDL_CreateCursor(&data, &data, 8, 1, 0, 0);
875
    sdl_cursor_normal = SDL_GetCursor();
876

    
877
    atexit(sdl_cleanup);
878
    if (full_screen) {
879
        gui_fullscreen = 1;
880
        gui_fullscreen_initial_grab = 1;
881
        sdl_grab_start();
882
    }
883
}