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/*
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 * QEMU SDL display driver
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 *
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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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/* 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>
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31
#ifndef _WIN32
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#include <signal.h>
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#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"
39
#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;
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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;
55
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;
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static uint8_t allocator;
62
static SDL_PixelFormat host_format;
63
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;
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    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
    if (guest_screen != NULL) SDL_FreeSurface(guest_screen);
91

    
92
    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),
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                                            ds->surface->pf.rmask, ds->surface->pf.gmask,
95
                                            ds->surface->pf.bmask, ds->surface->pf.amask);
96
}
97

    
98
static void do_sdl_resize(int new_width, int new_height, int bpp)
99
{
100
    int flags;
101

    
102
    //    printf("resizing to %d %d\n", w, h);
103

    
104
    flags = SDL_HWSURFACE|SDL_ASYNCBLIT|SDL_HWACCEL|SDL_RESIZABLE;
105
    if (gui_fullscreen)
106
        flags |= SDL_FULLSCREEN;
107
    if (gui_noframe)
108
        flags |= SDL_NOFRAME;
109

    
110
    width = new_width;
111
    height = new_height;
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    real_screen = SDL_SetVideoMode(width, height, bpp, flags);
113
    if (!real_screen) {
114
        fprintf(stderr, "Could not open SDL display (%dx%dx%d): %s\n", width, 
115
                height, bpp, SDL_GetError());
116
        exit(1);
117
    }
118
}
119

    
120
static void sdl_resize(DisplayState *ds)
121
{
122
    if  (!allocator) {
123
        if (!scaling_active)
124
            do_sdl_resize(ds_get_width(ds), ds_get_height(ds), 0);
125
        else if (real_screen->format->BitsPerPixel != ds_get_bits_per_pixel(ds))
126
            do_sdl_resize(real_screen->w, real_screen->h, ds_get_bits_per_pixel(ds));
127
        sdl_setdata(ds);
128
    } else {
129
        if (guest_screen != NULL) {
130
            SDL_FreeSurface(guest_screen);
131
            guest_screen = NULL;
132
        }
133
    }
134
}
135

    
136
static PixelFormat sdl_to_qemu_pixelformat(SDL_PixelFormat *sdl_pf)
137
{
138
    PixelFormat qemu_pf;
139

    
140
    memset(&qemu_pf, 0x00, sizeof(PixelFormat));
141

    
142
    qemu_pf.bits_per_pixel = sdl_pf->BitsPerPixel;
143
    qemu_pf.bytes_per_pixel = sdl_pf->BytesPerPixel;
144
    qemu_pf.depth = (qemu_pf.bits_per_pixel) == 32 ? 24 : (qemu_pf.bits_per_pixel);
145

    
146
    qemu_pf.rmask = sdl_pf->Rmask;
147
    qemu_pf.gmask = sdl_pf->Gmask;
148
    qemu_pf.bmask = sdl_pf->Bmask;
149
    qemu_pf.amask = sdl_pf->Amask;
150

    
151
    qemu_pf.rshift = sdl_pf->Rshift;
152
    qemu_pf.gshift = sdl_pf->Gshift;
153
    qemu_pf.bshift = sdl_pf->Bshift;
154
    qemu_pf.ashift = sdl_pf->Ashift;
155

    
156
    qemu_pf.rbits = 8 - sdl_pf->Rloss;
157
    qemu_pf.gbits = 8 - sdl_pf->Gloss;
158
    qemu_pf.bbits = 8 - sdl_pf->Bloss;
159
    qemu_pf.abits = 8 - sdl_pf->Aloss;
160

    
161
    qemu_pf.rmax = ((1 << qemu_pf.rbits) - 1);
162
    qemu_pf.gmax = ((1 << qemu_pf.gbits) - 1);
163
    qemu_pf.bmax = ((1 << qemu_pf.bbits) - 1);
164
    qemu_pf.amax = ((1 << qemu_pf.abits) - 1);
165

    
166
    return qemu_pf;
167
}
168

    
169
static DisplaySurface* sdl_create_displaysurface(int width, int height)
170
{
171
    DisplaySurface *surface = (DisplaySurface*) qemu_mallocz(sizeof(DisplaySurface));
172
    if (surface == NULL) {
173
        fprintf(stderr, "sdl_create_displaysurface: malloc failed\n");
174
        exit(1);
175
    }
176

    
177
    surface->width = width;
178
    surface->height = height;
179

    
180
    if (scaling_active) {
181
        int linesize;
182
        PixelFormat pf;
183
        if (host_format.BytesPerPixel != 2 && host_format.BytesPerPixel != 4) {
184
            linesize = width * 4;
185
            pf = qemu_default_pixelformat(32);
186
        } else {
187
            linesize = width * host_format.BytesPerPixel;
188
            pf = sdl_to_qemu_pixelformat(&host_format);
189
        }
190
        qemu_alloc_display(surface, width, height, linesize, pf, 0);
191
        return surface;
192
    }
193

    
194
    if (host_format.BitsPerPixel == 16)
195
        do_sdl_resize(width, height, 16);
196
    else
197
        do_sdl_resize(width, height, 32);
198

    
199
    surface->pf = sdl_to_qemu_pixelformat(real_screen->format);
200
    surface->linesize = real_screen->pitch;
201
    surface->data = real_screen->pixels;
202

    
203
#ifdef HOST_WORDS_BIGENDIAN
204
    surface->flags = QEMU_REALPIXELS_FLAG | QEMU_BIG_ENDIAN_FLAG;
205
#else
206
    surface->flags = QEMU_REALPIXELS_FLAG;
207
#endif
208
    allocator = 1;
209

    
210
    return surface;
211
}
212

    
213
static void sdl_free_displaysurface(DisplaySurface *surface)
214
{
215
    allocator = 0;
216
    if (surface == NULL)
217
        return;
218

    
219
    if (surface->flags & QEMU_ALLOCATED_FLAG)
220
        qemu_free(surface->data);
221
    qemu_free(surface);
222
}
223

    
224
static DisplaySurface* sdl_resize_displaysurface(DisplaySurface *surface, int width, int height)
225
{
226
    sdl_free_displaysurface(surface);
227
    return sdl_create_displaysurface(width, height);
228
}
229

    
230
/* generic keyboard conversion */
231

    
232
#include "sdl_keysym.h"
233

    
234
static kbd_layout_t *kbd_layout = NULL;
235

    
236
static uint8_t sdl_keyevent_to_keycode_generic(const SDL_KeyboardEvent *ev)
237
{
238
    int keysym;
239
    /* workaround for X11+SDL bug with AltGR */
240
    keysym = ev->keysym.sym;
241
    if (keysym == 0 && ev->keysym.scancode == 113)
242
        keysym = SDLK_MODE;
243
    /* For Japanese key '\' and '|' */
244
    if (keysym == 92 && ev->keysym.scancode == 133) {
245
        keysym = 0xa5;
246
    }
247
    return keysym2scancode(kbd_layout, keysym) & SCANCODE_KEYMASK;
248
}
249

    
250
/* specific keyboard conversions from scan codes */
251

    
252
#if defined(_WIN32)
253

    
254
static uint8_t sdl_keyevent_to_keycode(const SDL_KeyboardEvent *ev)
255
{
256
    return ev->keysym.scancode;
257
}
258

    
259
#else
260

    
261
#if defined(SDL_VIDEO_DRIVER_X11)
262
#include <X11/XKBlib.h>
263

    
264
static int check_for_evdev(void)
265
{
266
    SDL_SysWMinfo info;
267
    XkbDescPtr desc = NULL;
268
    int has_evdev = 0;
269
    char *keycodes = NULL;
270

    
271
    SDL_VERSION(&info.version);
272
    if (!SDL_GetWMInfo(&info)) {
273
        return 0;
274
    }
275
    desc = XkbGetKeyboard(info.info.x11.display,
276
                          XkbGBN_AllComponentsMask,
277
                          XkbUseCoreKbd);
278
    if (desc && desc->names) {
279
        keycodes = XGetAtomName(info.info.x11.display, desc->names->keycodes);
280
        if (keycodes == NULL) {
281
            fprintf(stderr, "could not lookup keycode name\n");
282
        } else if (strstart(keycodes, "evdev", NULL)) {
283
            has_evdev = 1;
284
        } else if (!strstart(keycodes, "xfree86", NULL)) {
285
            fprintf(stderr, "unknown keycodes `%s', please report to "
286
                    "qemu-devel@nongnu.org\n", keycodes);
287
        }
288
    }
289

    
290
    if (desc) {
291
        XkbFreeKeyboard(desc, XkbGBN_AllComponentsMask, True);
292
    }
293
    if (keycodes) {
294
        XFree(keycodes);
295
    }
296
    return has_evdev;
297
}
298
#else
299
static int check_for_evdev(void)
300
{
301
        return 0;
302
}
303
#endif
304

    
305
static uint8_t sdl_keyevent_to_keycode(const SDL_KeyboardEvent *ev)
306
{
307
    int keycode;
308
    static int has_evdev = -1;
309

    
310
    if (has_evdev == -1)
311
        has_evdev = check_for_evdev();
312

    
313
    keycode = ev->keysym.scancode;
314

    
315
    if (keycode < 9) {
316
        keycode = 0;
317
    } else if (keycode < 97) {
318
        keycode -= 8; /* just an offset */
319
    } else if (keycode < 158) {
320
        /* use conversion table */
321
        if (has_evdev)
322
            keycode = translate_evdev_keycode(keycode - 97);
323
        else
324
            keycode = translate_xfree86_keycode(keycode - 97);
325
    } else if (keycode == 208) { /* Hiragana_Katakana */
326
        keycode = 0x70;
327
    } else if (keycode == 211) { /* backslash */
328
        keycode = 0x73;
329
    } else {
330
        keycode = 0;
331
    }
332
    return keycode;
333
}
334

    
335
#endif
336

    
337
static void reset_keys(void)
338
{
339
    int i;
340
    for(i = 0; i < 256; i++) {
341
        if (modifiers_state[i]) {
342
            if (i & SCANCODE_GREY)
343
                kbd_put_keycode(SCANCODE_EMUL0);
344
            kbd_put_keycode(i | SCANCODE_UP);
345
            modifiers_state[i] = 0;
346
        }
347
    }
348
}
349

    
350
static void sdl_process_key(SDL_KeyboardEvent *ev)
351
{
352
    int keycode, v;
353

    
354
    if (ev->keysym.sym == SDLK_PAUSE) {
355
        /* specific case */
356
        v = 0;
357
        if (ev->type == SDL_KEYUP)
358
            v |= SCANCODE_UP;
359
        kbd_put_keycode(0xe1);
360
        kbd_put_keycode(0x1d | v);
361
        kbd_put_keycode(0x45 | v);
362
        return;
363
    }
364

    
365
    if (kbd_layout) {
366
        keycode = sdl_keyevent_to_keycode_generic(ev);
367
    } else {
368
        keycode = sdl_keyevent_to_keycode(ev);
369
    }
370

    
371
    switch(keycode) {
372
    case 0x00:
373
        /* sent when leaving window: reset the modifiers state */
374
        reset_keys();
375
        return;
376
    case 0x2a:                          /* Left Shift */
377
    case 0x36:                          /* Right Shift */
378
    case 0x1d:                          /* Left CTRL */
379
    case 0x9d:                          /* Right CTRL */
380
    case 0x38:                          /* Left ALT */
381
    case 0xb8:                         /* Right ALT */
382
        if (ev->type == SDL_KEYUP)
383
            modifiers_state[keycode] = 0;
384
        else
385
            modifiers_state[keycode] = 1;
386
        break;
387
#define QEMU_SDL_VERSION ((SDL_MAJOR_VERSION << 8) + SDL_MINOR_VERSION)
388
#if QEMU_SDL_VERSION < 0x102 || QEMU_SDL_VERSION == 0x102 && SDL_PATCHLEVEL < 14
389
        /* SDL versions before 1.2.14 don't support key up for caps/num lock. */
390
    case 0x45: /* num lock */
391
    case 0x3a: /* caps lock */
392
        /* SDL does not send the key up event, so we generate it */
393
        kbd_put_keycode(keycode);
394
        kbd_put_keycode(keycode | SCANCODE_UP);
395
        return;
396
#endif
397
    }
398

    
399
    /* now send the key code */
400
    if (keycode & SCANCODE_GREY)
401
        kbd_put_keycode(SCANCODE_EMUL0);
402
    if (ev->type == SDL_KEYUP)
403
        kbd_put_keycode(keycode | SCANCODE_UP);
404
    else
405
        kbd_put_keycode(keycode & SCANCODE_KEYCODEMASK);
406
}
407

    
408
static void sdl_update_caption(void)
409
{
410
    char win_title[1024];
411
    char icon_title[1024];
412
    const char *status = "";
413

    
414
    if (!vm_running)
415
        status = " [Stopped]";
416
    else if (gui_grab) {
417
        if (alt_grab)
418
            status = " - Press Ctrl-Alt-Shift to exit mouse grab";
419
        else if (ctrl_grab)
420
            status = " - Press Right-Ctrl to exit mouse grab";
421
        else
422
            status = " - Press Ctrl-Alt to exit mouse grab";
423
    }
424

    
425
    if (qemu_name) {
426
        snprintf(win_title, sizeof(win_title), "QEMU (%s)%s", qemu_name, status);
427
        snprintf(icon_title, sizeof(icon_title), "QEMU (%s)", qemu_name);
428
    } else {
429
        snprintf(win_title, sizeof(win_title), "QEMU%s", status);
430
        snprintf(icon_title, sizeof(icon_title), "QEMU");
431
    }
432

    
433
    SDL_WM_SetCaption(win_title, icon_title);
434
}
435

    
436
static void sdl_hide_cursor(void)
437
{
438
    if (!cursor_hide)
439
        return;
440

    
441
    if (kbd_mouse_is_absolute()) {
442
        SDL_ShowCursor(1);
443
        SDL_SetCursor(sdl_cursor_hidden);
444
    } else {
445
        SDL_ShowCursor(0);
446
    }
447
}
448

    
449
static void sdl_show_cursor(void)
450
{
451
    if (!cursor_hide)
452
        return;
453

    
454
    if (!kbd_mouse_is_absolute()) {
455
        SDL_ShowCursor(1);
456
        if (guest_cursor &&
457
                (gui_grab || kbd_mouse_is_absolute() || absolute_enabled))
458
            SDL_SetCursor(guest_sprite);
459
        else
460
            SDL_SetCursor(sdl_cursor_normal);
461
    }
462
}
463

    
464
static void sdl_grab_start(void)
465
{
466
    if (guest_cursor) {
467
        SDL_SetCursor(guest_sprite);
468
        if (!kbd_mouse_is_absolute() && !absolute_enabled)
469
            SDL_WarpMouse(guest_x, guest_y);
470
    } else
471
        sdl_hide_cursor();
472

    
473
    if (SDL_WM_GrabInput(SDL_GRAB_ON) == SDL_GRAB_ON) {
474
        gui_grab = 1;
475
        sdl_update_caption();
476
    } else
477
        sdl_show_cursor();
478
}
479

    
480
static void sdl_grab_end(void)
481
{
482
    SDL_WM_GrabInput(SDL_GRAB_OFF);
483
    gui_grab = 0;
484
    sdl_show_cursor();
485
    sdl_update_caption();
486
}
487

    
488
static void sdl_mouse_mode_change(Notifier *notify)
489
{
490
    if (kbd_mouse_is_absolute()) {
491
        if (!absolute_enabled) {
492
            sdl_hide_cursor();
493
            if (gui_grab) {
494
                sdl_grab_end();
495
            }
496
            absolute_enabled = 1;
497
        }
498
    } else if (absolute_enabled) {
499
        sdl_show_cursor();
500
        absolute_enabled = 0;
501
    }
502
}
503

    
504
static void sdl_send_mouse_event(int dx, int dy, int dz, int x, int y, int state)
505
{
506
    int buttons;
507
    buttons = 0;
508
    if (state & SDL_BUTTON(SDL_BUTTON_LEFT))
509
        buttons |= MOUSE_EVENT_LBUTTON;
510
    if (state & SDL_BUTTON(SDL_BUTTON_RIGHT))
511
        buttons |= MOUSE_EVENT_RBUTTON;
512
    if (state & SDL_BUTTON(SDL_BUTTON_MIDDLE))
513
        buttons |= MOUSE_EVENT_MBUTTON;
514

    
515
    if (kbd_mouse_is_absolute()) {
516
       dx = x * 0x7FFF / (width - 1);
517
       dy = y * 0x7FFF / (height - 1);
518
    } else if (guest_cursor) {
519
        x -= guest_x;
520
        y -= guest_y;
521
        guest_x += x;
522
        guest_y += y;
523
        dx = x;
524
        dy = y;
525
    }
526

    
527
    kbd_mouse_event(dx, dy, dz, buttons);
528
}
529

    
530
static void toggle_full_screen(DisplayState *ds)
531
{
532
    gui_fullscreen = !gui_fullscreen;
533
    do_sdl_resize(real_screen->w, real_screen->h, real_screen->format->BitsPerPixel);
534
    if (gui_fullscreen) {
535
        scaling_active = 0;
536
        gui_saved_grab = gui_grab;
537
        sdl_grab_start();
538
    } else {
539
        if (!gui_saved_grab)
540
            sdl_grab_end();
541
    }
542
    vga_hw_invalidate();
543
    vga_hw_update();
544
}
545

    
546
static void sdl_refresh(DisplayState *ds)
547
{
548
    SDL_Event ev1, *ev = &ev1;
549
    int mod_state;
550
    int buttonstate = SDL_GetMouseState(NULL, NULL);
551

    
552
    if (last_vm_running != vm_running) {
553
        last_vm_running = vm_running;
554
        sdl_update_caption();
555
    }
556

    
557
    vga_hw_update();
558
    SDL_EnableUNICODE(!is_graphic_console());
559

    
560
    while (SDL_PollEvent(ev)) {
561
        switch (ev->type) {
562
        case SDL_VIDEOEXPOSE:
563
            sdl_update(ds, 0, 0, real_screen->w, real_screen->h);
564
            break;
565
        case SDL_KEYDOWN:
566
        case SDL_KEYUP:
567
            if (ev->type == SDL_KEYDOWN) {
568
                if (alt_grab) {
569
                    mod_state = (SDL_GetModState() & (gui_grab_code | KMOD_LSHIFT)) ==
570
                                (gui_grab_code | KMOD_LSHIFT);
571
                } else if (ctrl_grab) {
572
                    mod_state = (SDL_GetModState() & KMOD_RCTRL) == KMOD_RCTRL;
573
                } else {
574
                    mod_state = (SDL_GetModState() & gui_grab_code) ==
575
                                gui_grab_code;
576
                }
577
                gui_key_modifier_pressed = mod_state;
578
                if (gui_key_modifier_pressed) {
579
                    int keycode;
580
                    keycode = sdl_keyevent_to_keycode(&ev->key);
581
                    switch(keycode) {
582
                    case 0x21: /* 'f' key on US keyboard */
583
                        toggle_full_screen(ds);
584
                        gui_keysym = 1;
585
                        break;
586
                    case 0x16: /* 'u' key on US keyboard */
587
                        scaling_active = 0;
588
                        sdl_resize(ds);
589
                        vga_hw_invalidate();
590
                        vga_hw_update();
591
                        break;
592
                    case 0x02 ... 0x0a: /* '1' to '9' keys */
593
                        /* Reset the modifiers sent to the current console */
594
                        reset_keys();
595
                        console_select(keycode - 0x02);
596
                        if (!is_graphic_console()) {
597
                            /* display grab if going to a text console */
598
                            if (gui_grab)
599
                                sdl_grab_end();
600
                        }
601
                        gui_keysym = 1;
602
                        break;
603
                    default:
604
                        break;
605
                    }
606
                } else if (!is_graphic_console()) {
607
                    int keysym;
608
                    keysym = 0;
609
                    if (ev->key.keysym.mod & (KMOD_LCTRL | KMOD_RCTRL)) {
610
                        switch(ev->key.keysym.sym) {
611
                        case SDLK_UP: keysym = QEMU_KEY_CTRL_UP; break;
612
                        case SDLK_DOWN: keysym = QEMU_KEY_CTRL_DOWN; break;
613
                        case SDLK_LEFT: keysym = QEMU_KEY_CTRL_LEFT; break;
614
                        case SDLK_RIGHT: keysym = QEMU_KEY_CTRL_RIGHT; break;
615
                        case SDLK_HOME: keysym = QEMU_KEY_CTRL_HOME; break;
616
                        case SDLK_END: keysym = QEMU_KEY_CTRL_END; break;
617
                        case SDLK_PAGEUP: keysym = QEMU_KEY_CTRL_PAGEUP; break;
618
                        case SDLK_PAGEDOWN: keysym = QEMU_KEY_CTRL_PAGEDOWN; break;
619
                        default: break;
620
                        }
621
                    } else {
622
                        switch(ev->key.keysym.sym) {
623
                        case SDLK_UP: keysym = QEMU_KEY_UP; break;
624
                        case SDLK_DOWN: keysym = QEMU_KEY_DOWN; break;
625
                        case SDLK_LEFT: keysym = QEMU_KEY_LEFT; break;
626
                        case SDLK_RIGHT: keysym = QEMU_KEY_RIGHT; break;
627
                        case SDLK_HOME: keysym = QEMU_KEY_HOME; break;
628
                        case SDLK_END: keysym = QEMU_KEY_END; break;
629
                        case SDLK_PAGEUP: keysym = QEMU_KEY_PAGEUP; break;
630
                        case SDLK_PAGEDOWN: keysym = QEMU_KEY_PAGEDOWN; break;
631
                        case SDLK_BACKSPACE: keysym = QEMU_KEY_BACKSPACE; break;
632
                        case SDLK_DELETE: keysym = QEMU_KEY_DELETE; break;
633
                        default: break;
634
                        }
635
                    }
636
                    if (keysym) {
637
                        kbd_put_keysym(keysym);
638
                    } else if (ev->key.keysym.unicode != 0) {
639
                        kbd_put_keysym(ev->key.keysym.unicode);
640
                    }
641
                }
642
            } else if (ev->type == SDL_KEYUP) {
643
                if (!alt_grab) {
644
                    mod_state = (ev->key.keysym.mod & gui_grab_code);
645
                } else {
646
                    mod_state = (ev->key.keysym.mod &
647
                                 (gui_grab_code | KMOD_LSHIFT));
648
                }
649
                if (!mod_state) {
650
                    if (gui_key_modifier_pressed) {
651
                        gui_key_modifier_pressed = 0;
652
                        if (gui_keysym == 0) {
653
                            /* exit/enter grab if pressing Ctrl-Alt */
654
                            if (!gui_grab) {
655
                                /* if the application is not active,
656
                                   do not try to enter grab state. It
657
                                   prevents
658
                                   'SDL_WM_GrabInput(SDL_GRAB_ON)'
659
                                   from blocking all the application
660
                                   (SDL bug). */
661
                                if (SDL_GetAppState() & SDL_APPACTIVE)
662
                                    sdl_grab_start();
663
                            } else {
664
                                sdl_grab_end();
665
                            }
666
                            /* SDL does not send back all the
667
                               modifiers key, so we must correct it */
668
                            reset_keys();
669
                            break;
670
                        }
671
                        gui_keysym = 0;
672
                    }
673
                }
674
            }
675
            if (is_graphic_console() && !gui_keysym)
676
                sdl_process_key(&ev->key);
677
            break;
678
        case SDL_QUIT:
679
            if (!no_quit)
680
                qemu_system_shutdown_request();
681
            break;
682
        case SDL_MOUSEMOTION:
683
            if (gui_grab || kbd_mouse_is_absolute() ||
684
                absolute_enabled) {
685
                sdl_send_mouse_event(ev->motion.xrel, ev->motion.yrel, 0,
686
                       ev->motion.x, ev->motion.y, ev->motion.state);
687
            }
688
            break;
689
        case SDL_MOUSEBUTTONDOWN:
690
        case SDL_MOUSEBUTTONUP:
691
            {
692
                SDL_MouseButtonEvent *bev = &ev->button;
693
                if (!gui_grab && !kbd_mouse_is_absolute()) {
694
                    if (ev->type == SDL_MOUSEBUTTONDOWN &&
695
                        (bev->button == SDL_BUTTON_LEFT)) {
696
                        /* start grabbing all events */
697
                        sdl_grab_start();
698
                    }
699
                } else {
700
                    int dz;
701
                    dz = 0;
702
                    if (ev->type == SDL_MOUSEBUTTONDOWN) {
703
                        buttonstate |= SDL_BUTTON(bev->button);
704
                    } else {
705
                        buttonstate &= ~SDL_BUTTON(bev->button);
706
                    }
707
#ifdef SDL_BUTTON_WHEELUP
708
                    if (bev->button == SDL_BUTTON_WHEELUP && ev->type == SDL_MOUSEBUTTONDOWN) {
709
                        dz = -1;
710
                    } else if (bev->button == SDL_BUTTON_WHEELDOWN && ev->type == SDL_MOUSEBUTTONDOWN) {
711
                        dz = 1;
712
                    }
713
#endif
714
                    sdl_send_mouse_event(0, 0, dz, bev->x, bev->y, buttonstate);
715
                }
716
            }
717
            break;
718
        case SDL_ACTIVEEVENT:
719
            if (gui_grab && ev->active.state == SDL_APPINPUTFOCUS &&
720
                !ev->active.gain && !gui_fullscreen_initial_grab) {
721
                sdl_grab_end();
722
            }
723
            if (ev->active.state & SDL_APPACTIVE) {
724
                if (ev->active.gain) {
725
                    /* Back to default interval */
726
                    dcl->gui_timer_interval = 0;
727
                    dcl->idle = 0;
728
                } else {
729
                    /* Sleeping interval */
730
                    dcl->gui_timer_interval = 500;
731
                    dcl->idle = 1;
732
                }
733
            }
734
            break;
735
        case SDL_VIDEORESIZE:
736
        {
737
            SDL_ResizeEvent *rev = &ev->resize;
738
            int bpp = real_screen->format->BitsPerPixel;
739
            if (bpp != 16 && bpp != 32)
740
                bpp = 32;
741
            do_sdl_resize(rev->w, rev->h, bpp);
742
            scaling_active = 1;
743
            if (!is_buffer_shared(ds->surface)) {
744
                ds->surface = qemu_resize_displaysurface(ds, ds_get_width(ds), ds_get_height(ds));
745
                dpy_resize(ds);
746
            }
747
            vga_hw_invalidate();
748
            vga_hw_update();
749
            break;
750
        }
751
        default:
752
            break;
753
        }
754
    }
755
}
756

    
757
static void sdl_fill(DisplayState *ds, int x, int y, int w, int h, uint32_t c)
758
{
759
    SDL_Rect dst = { x, y, w, h };
760
    SDL_FillRect(real_screen, &dst, c);
761
}
762

    
763
static void sdl_mouse_warp(int x, int y, int on)
764
{
765
    if (on) {
766
        if (!guest_cursor)
767
            sdl_show_cursor();
768
        if (gui_grab || kbd_mouse_is_absolute() || absolute_enabled) {
769
            SDL_SetCursor(guest_sprite);
770
            if (!kbd_mouse_is_absolute() && !absolute_enabled)
771
                SDL_WarpMouse(x, y);
772
        }
773
    } else if (gui_grab)
774
        sdl_hide_cursor();
775
    guest_cursor = on;
776
    guest_x = x, guest_y = y;
777
}
778

    
779
static void sdl_mouse_define(QEMUCursor *c)
780
{
781
    uint8_t *image, *mask;
782
    int bpl;
783

    
784
    if (guest_sprite)
785
        SDL_FreeCursor(guest_sprite);
786

    
787
    bpl = cursor_get_mono_bpl(c);
788
    image = qemu_mallocz(bpl * c->height);
789
    mask  = qemu_mallocz(bpl * c->height);
790
    cursor_get_mono_image(c, 0x000000, image);
791
    cursor_get_mono_mask(c, 0, mask);
792
    guest_sprite = SDL_CreateCursor(image, mask, c->width, c->height,
793
                                    c->hot_x, c->hot_y);
794
    qemu_free(image);
795
    qemu_free(mask);
796

    
797
    if (guest_cursor &&
798
            (gui_grab || kbd_mouse_is_absolute() || absolute_enabled))
799
        SDL_SetCursor(guest_sprite);
800
}
801

    
802
static void sdl_cleanup(void)
803
{
804
    if (guest_sprite)
805
        SDL_FreeCursor(guest_sprite);
806
    SDL_QuitSubSystem(SDL_INIT_VIDEO);
807
}
808

    
809
void sdl_display_init(DisplayState *ds, int full_screen, int no_frame)
810
{
811
    int flags;
812
    uint8_t data = 0;
813
    DisplayAllocator *da;
814
    const SDL_VideoInfo *vi;
815
    char *filename;
816

    
817
#if defined(__APPLE__)
818
    /* always use generic keymaps */
819
    if (!keyboard_layout)
820
        keyboard_layout = "en-us";
821
#endif
822
    if(keyboard_layout) {
823
        kbd_layout = init_keyboard_layout(name2keysym, keyboard_layout);
824
        if (!kbd_layout)
825
            exit(1);
826
    }
827

    
828
    if (no_frame)
829
        gui_noframe = 1;
830

    
831
    if (!full_screen) {
832
        setenv("SDL_VIDEO_ALLOW_SCREENSAVER", "1", 0);
833
    }
834

    
835
    /* Enable normal up/down events for Caps-Lock and Num-Lock keys.
836
     * This requires SDL >= 1.2.14. */
837
    setenv("SDL_DISABLE_LOCK_KEYS", "1", 1);
838

    
839
    flags = SDL_INIT_VIDEO | SDL_INIT_NOPARACHUTE;
840
    if (SDL_Init (flags)) {
841
        fprintf(stderr, "Could not initialize SDL(%s) - exiting\n",
842
                SDL_GetError());
843
        exit(1);
844
    }
845
    vi = SDL_GetVideoInfo();
846
    host_format = *(vi->vfmt);
847

    
848
    /* Load a 32x32x4 image. White pixels are transparent. */
849
    filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, "qemu-icon.bmp");
850
    if (filename) {
851
        SDL_Surface *image = SDL_LoadBMP(filename);
852
        if (image) {
853
            uint32_t colorkey = SDL_MapRGB(image->format, 255, 255, 255);
854
            SDL_SetColorKey(image, SDL_SRCCOLORKEY, colorkey);
855
            SDL_WM_SetIcon(image, NULL);
856
        }
857
        qemu_free(filename);
858
    }
859

    
860
    dcl = qemu_mallocz(sizeof(DisplayChangeListener));
861
    dcl->dpy_update = sdl_update;
862
    dcl->dpy_resize = sdl_resize;
863
    dcl->dpy_refresh = sdl_refresh;
864
    dcl->dpy_setdata = sdl_setdata;
865
    dcl->dpy_fill = sdl_fill;
866
    ds->mouse_set = sdl_mouse_warp;
867
    ds->cursor_define = sdl_mouse_define;
868
    register_displaychangelistener(ds, dcl);
869

    
870
    da = qemu_mallocz(sizeof(DisplayAllocator));
871
    da->create_displaysurface = sdl_create_displaysurface;
872
    da->resize_displaysurface = sdl_resize_displaysurface;
873
    da->free_displaysurface = sdl_free_displaysurface;
874
    if (register_displayallocator(ds, da) == da) {
875
        dpy_resize(ds);
876
    }
877

    
878
    mouse_mode_notifier.notify = sdl_mouse_mode_change;
879
    qemu_add_mouse_mode_change_notifier(&mouse_mode_notifier);
880

    
881
    sdl_update_caption();
882
    SDL_EnableKeyRepeat(250, 50);
883
    gui_grab = 0;
884

    
885
    sdl_cursor_hidden = SDL_CreateCursor(&data, &data, 8, 1, 0, 0);
886
    sdl_cursor_normal = SDL_GetCursor();
887

    
888
    atexit(sdl_cleanup);
889
    if (full_screen) {
890
        gui_fullscreen = 1;
891
        gui_fullscreen_initial_grab = 1;
892
        sdl_grab_start();
893
    }
894
}