root / sdl.c @ 5fafdf24
History | View | Annotate | Download (19.2 kB)
| 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 |
*/
|
| 24 |
#include "vl.h" |
| 25 |
|
| 26 |
#include <SDL.h> |
| 27 |
|
| 28 |
#ifndef _WIN32
|
| 29 |
#include <signal.h> |
| 30 |
#endif
|
| 31 |
|
| 32 |
static SDL_Surface *screen;
|
| 33 |
static int gui_grab; /* if true, all keyboard/mouse events are grabbed */ |
| 34 |
static int last_vm_running; |
| 35 |
static int gui_saved_grab; |
| 36 |
static int gui_fullscreen; |
| 37 |
static int gui_noframe; |
| 38 |
static int gui_key_modifier_pressed; |
| 39 |
static int gui_keysym; |
| 40 |
static int gui_fullscreen_initial_grab; |
| 41 |
static int gui_grab_code = KMOD_LALT | KMOD_LCTRL; |
| 42 |
static uint8_t modifiers_state[256]; |
| 43 |
static int width, height; |
| 44 |
static SDL_Cursor *sdl_cursor_normal;
|
| 45 |
static SDL_Cursor *sdl_cursor_hidden;
|
| 46 |
static int absolute_enabled = 0; |
| 47 |
static int guest_cursor = 0; |
| 48 |
static int guest_x, guest_y; |
| 49 |
static SDL_Cursor *guest_sprite = 0; |
| 50 |
|
| 51 |
static void sdl_update(DisplayState *ds, int x, int y, int w, int h) |
| 52 |
{
|
| 53 |
// printf("updating x=%d y=%d w=%d h=%d\n", x, y, w, h);
|
| 54 |
SDL_UpdateRect(screen, x, y, w, h); |
| 55 |
} |
| 56 |
|
| 57 |
static void sdl_resize(DisplayState *ds, int w, int h) |
| 58 |
{
|
| 59 |
int flags;
|
| 60 |
|
| 61 |
// printf("resizing to %d %d\n", w, h);
|
| 62 |
|
| 63 |
flags = SDL_HWSURFACE|SDL_ASYNCBLIT|SDL_HWACCEL; |
| 64 |
if (gui_fullscreen)
|
| 65 |
flags |= SDL_FULLSCREEN; |
| 66 |
if (gui_noframe)
|
| 67 |
flags |= SDL_NOFRAME; |
| 68 |
|
| 69 |
width = w; |
| 70 |
height = h; |
| 71 |
|
| 72 |
again:
|
| 73 |
screen = SDL_SetVideoMode(w, h, 0, flags);
|
| 74 |
if (!screen) {
|
| 75 |
fprintf(stderr, "Could not open SDL display\n");
|
| 76 |
exit(1);
|
| 77 |
} |
| 78 |
if (!screen->pixels && (flags & SDL_HWSURFACE) && (flags & SDL_FULLSCREEN)) {
|
| 79 |
flags &= ~SDL_HWSURFACE; |
| 80 |
goto again;
|
| 81 |
} |
| 82 |
|
| 83 |
if (!screen->pixels) {
|
| 84 |
fprintf(stderr, "Could not open SDL display\n");
|
| 85 |
exit(1);
|
| 86 |
} |
| 87 |
ds->data = screen->pixels; |
| 88 |
ds->linesize = screen->pitch; |
| 89 |
ds->depth = screen->format->BitsPerPixel; |
| 90 |
if (screen->format->Bshift > screen->format->Rshift) {
|
| 91 |
ds->bgr = 1;
|
| 92 |
} else {
|
| 93 |
ds->bgr = 0;
|
| 94 |
} |
| 95 |
ds->width = w; |
| 96 |
ds->height = h; |
| 97 |
} |
| 98 |
|
| 99 |
/* generic keyboard conversion */
|
| 100 |
|
| 101 |
#include "sdl_keysym.h" |
| 102 |
#include "keymaps.c" |
| 103 |
|
| 104 |
static kbd_layout_t *kbd_layout = NULL; |
| 105 |
|
| 106 |
static uint8_t sdl_keyevent_to_keycode_generic(const SDL_KeyboardEvent *ev) |
| 107 |
{
|
| 108 |
int keysym;
|
| 109 |
/* workaround for X11+SDL bug with AltGR */
|
| 110 |
keysym = ev->keysym.sym; |
| 111 |
if (keysym == 0 && ev->keysym.scancode == 113) |
| 112 |
keysym = SDLK_MODE; |
| 113 |
/* For Japanese key '\' and '|' */
|
| 114 |
if (keysym == 92 && ev->keysym.scancode == 133) { |
| 115 |
keysym = 0xa5;
|
| 116 |
} |
| 117 |
return keysym2scancode(kbd_layout, keysym);
|
| 118 |
} |
| 119 |
|
| 120 |
/* specific keyboard conversions from scan codes */
|
| 121 |
|
| 122 |
#if defined(_WIN32)
|
| 123 |
|
| 124 |
static uint8_t sdl_keyevent_to_keycode(const SDL_KeyboardEvent *ev) |
| 125 |
{
|
| 126 |
return ev->keysym.scancode;
|
| 127 |
} |
| 128 |
|
| 129 |
#else
|
| 130 |
|
| 131 |
static uint8_t sdl_keyevent_to_keycode(const SDL_KeyboardEvent *ev) |
| 132 |
{
|
| 133 |
int keycode;
|
| 134 |
|
| 135 |
keycode = ev->keysym.scancode; |
| 136 |
|
| 137 |
if (keycode < 9) { |
| 138 |
keycode = 0;
|
| 139 |
} else if (keycode < 97) { |
| 140 |
keycode -= 8; /* just an offset */ |
| 141 |
} else if (keycode < 212) { |
| 142 |
/* use conversion table */
|
| 143 |
keycode = _translate_keycode(keycode - 97);
|
| 144 |
} else {
|
| 145 |
keycode = 0;
|
| 146 |
} |
| 147 |
return keycode;
|
| 148 |
} |
| 149 |
|
| 150 |
#endif
|
| 151 |
|
| 152 |
static void reset_keys(void) |
| 153 |
{
|
| 154 |
int i;
|
| 155 |
for(i = 0; i < 256; i++) { |
| 156 |
if (modifiers_state[i]) {
|
| 157 |
if (i & 0x80) |
| 158 |
kbd_put_keycode(0xe0);
|
| 159 |
kbd_put_keycode(i | 0x80);
|
| 160 |
modifiers_state[i] = 0;
|
| 161 |
} |
| 162 |
} |
| 163 |
} |
| 164 |
|
| 165 |
static void sdl_process_key(SDL_KeyboardEvent *ev) |
| 166 |
{
|
| 167 |
int keycode, v;
|
| 168 |
|
| 169 |
if (ev->keysym.sym == SDLK_PAUSE) {
|
| 170 |
/* specific case */
|
| 171 |
v = 0;
|
| 172 |
if (ev->type == SDL_KEYUP)
|
| 173 |
v |= 0x80;
|
| 174 |
kbd_put_keycode(0xe1);
|
| 175 |
kbd_put_keycode(0x1d | v);
|
| 176 |
kbd_put_keycode(0x45 | v);
|
| 177 |
return;
|
| 178 |
} |
| 179 |
|
| 180 |
if (kbd_layout) {
|
| 181 |
keycode = sdl_keyevent_to_keycode_generic(ev); |
| 182 |
} else {
|
| 183 |
keycode = sdl_keyevent_to_keycode(ev); |
| 184 |
} |
| 185 |
|
| 186 |
switch(keycode) {
|
| 187 |
case 0x00: |
| 188 |
/* sent when leaving window: reset the modifiers state */
|
| 189 |
reset_keys(); |
| 190 |
return;
|
| 191 |
case 0x2a: /* Left Shift */ |
| 192 |
case 0x36: /* Right Shift */ |
| 193 |
case 0x1d: /* Left CTRL */ |
| 194 |
case 0x9d: /* Right CTRL */ |
| 195 |
case 0x38: /* Left ALT */ |
| 196 |
case 0xb8: /* Right ALT */ |
| 197 |
if (ev->type == SDL_KEYUP)
|
| 198 |
modifiers_state[keycode] = 0;
|
| 199 |
else
|
| 200 |
modifiers_state[keycode] = 1;
|
| 201 |
break;
|
| 202 |
case 0x45: /* num lock */ |
| 203 |
case 0x3a: /* caps lock */ |
| 204 |
/* SDL does not send the key up event, so we generate it */
|
| 205 |
kbd_put_keycode(keycode); |
| 206 |
kbd_put_keycode(keycode | 0x80);
|
| 207 |
return;
|
| 208 |
} |
| 209 |
|
| 210 |
/* now send the key code */
|
| 211 |
if (keycode & 0x80) |
| 212 |
kbd_put_keycode(0xe0);
|
| 213 |
if (ev->type == SDL_KEYUP)
|
| 214 |
kbd_put_keycode(keycode | 0x80);
|
| 215 |
else
|
| 216 |
kbd_put_keycode(keycode & 0x7f);
|
| 217 |
} |
| 218 |
|
| 219 |
static void sdl_update_caption(void) |
| 220 |
{
|
| 221 |
char buf[1024]; |
| 222 |
const char *status = ""; |
| 223 |
|
| 224 |
if (!vm_running)
|
| 225 |
status = " [Stopped]";
|
| 226 |
else if (gui_grab) { |
| 227 |
if (!alt_grab)
|
| 228 |
status = " - Press Ctrl-Alt to exit grab";
|
| 229 |
else
|
| 230 |
status = " - Press Ctrl-Alt-Shift to exit grab";
|
| 231 |
} |
| 232 |
|
| 233 |
if (qemu_name)
|
| 234 |
snprintf(buf, sizeof(buf), "QEMU (%s)%s", qemu_name, status); |
| 235 |
else
|
| 236 |
snprintf(buf, sizeof(buf), "QEMU%s", status); |
| 237 |
|
| 238 |
SDL_WM_SetCaption(buf, "QEMU");
|
| 239 |
} |
| 240 |
|
| 241 |
static void sdl_hide_cursor(void) |
| 242 |
{
|
| 243 |
if (!cursor_hide)
|
| 244 |
return;
|
| 245 |
|
| 246 |
if (kbd_mouse_is_absolute()) {
|
| 247 |
SDL_ShowCursor(1);
|
| 248 |
SDL_SetCursor(sdl_cursor_hidden); |
| 249 |
} else {
|
| 250 |
SDL_ShowCursor(0);
|
| 251 |
} |
| 252 |
} |
| 253 |
|
| 254 |
static void sdl_show_cursor(void) |
| 255 |
{
|
| 256 |
if (!cursor_hide)
|
| 257 |
return;
|
| 258 |
|
| 259 |
if (!kbd_mouse_is_absolute()) {
|
| 260 |
SDL_ShowCursor(1);
|
| 261 |
if (guest_cursor &&
|
| 262 |
(gui_grab || kbd_mouse_is_absolute() || absolute_enabled)) |
| 263 |
SDL_SetCursor(guest_sprite); |
| 264 |
else
|
| 265 |
SDL_SetCursor(sdl_cursor_normal); |
| 266 |
} |
| 267 |
} |
| 268 |
|
| 269 |
static void sdl_grab_start(void) |
| 270 |
{
|
| 271 |
if (guest_cursor) {
|
| 272 |
SDL_SetCursor(guest_sprite); |
| 273 |
SDL_WarpMouse(guest_x, guest_y); |
| 274 |
} else
|
| 275 |
sdl_hide_cursor(); |
| 276 |
SDL_WM_GrabInput(SDL_GRAB_ON); |
| 277 |
/* dummy read to avoid moving the mouse */
|
| 278 |
SDL_GetRelativeMouseState(NULL, NULL); |
| 279 |
gui_grab = 1;
|
| 280 |
sdl_update_caption(); |
| 281 |
} |
| 282 |
|
| 283 |
static void sdl_grab_end(void) |
| 284 |
{
|
| 285 |
SDL_WM_GrabInput(SDL_GRAB_OFF); |
| 286 |
gui_grab = 0;
|
| 287 |
sdl_show_cursor(); |
| 288 |
sdl_update_caption(); |
| 289 |
} |
| 290 |
|
| 291 |
static void sdl_send_mouse_event(int dz) |
| 292 |
{
|
| 293 |
int dx, dy, state, buttons;
|
| 294 |
state = SDL_GetRelativeMouseState(&dx, &dy); |
| 295 |
buttons = 0;
|
| 296 |
if (state & SDL_BUTTON(SDL_BUTTON_LEFT))
|
| 297 |
buttons |= MOUSE_EVENT_LBUTTON; |
| 298 |
if (state & SDL_BUTTON(SDL_BUTTON_RIGHT))
|
| 299 |
buttons |= MOUSE_EVENT_RBUTTON; |
| 300 |
if (state & SDL_BUTTON(SDL_BUTTON_MIDDLE))
|
| 301 |
buttons |= MOUSE_EVENT_MBUTTON; |
| 302 |
|
| 303 |
if (kbd_mouse_is_absolute()) {
|
| 304 |
if (!absolute_enabled) {
|
| 305 |
sdl_hide_cursor(); |
| 306 |
if (gui_grab) {
|
| 307 |
sdl_grab_end(); |
| 308 |
} |
| 309 |
absolute_enabled = 1;
|
| 310 |
} |
| 311 |
|
| 312 |
SDL_GetMouseState(&dx, &dy); |
| 313 |
dx = dx * 0x7FFF / width;
|
| 314 |
dy = dy * 0x7FFF / height;
|
| 315 |
} else if (absolute_enabled) { |
| 316 |
sdl_show_cursor(); |
| 317 |
absolute_enabled = 0;
|
| 318 |
} else if (guest_cursor) { |
| 319 |
SDL_GetMouseState(&dx, &dy); |
| 320 |
dx -= guest_x; |
| 321 |
dy -= guest_y; |
| 322 |
guest_x += dx; |
| 323 |
guest_y += dy; |
| 324 |
} |
| 325 |
|
| 326 |
kbd_mouse_event(dx, dy, dz, buttons); |
| 327 |
} |
| 328 |
|
| 329 |
static void toggle_full_screen(DisplayState *ds) |
| 330 |
{
|
| 331 |
gui_fullscreen = !gui_fullscreen; |
| 332 |
sdl_resize(ds, screen->w, screen->h); |
| 333 |
if (gui_fullscreen) {
|
| 334 |
gui_saved_grab = gui_grab; |
| 335 |
sdl_grab_start(); |
| 336 |
} else {
|
| 337 |
if (!gui_saved_grab)
|
| 338 |
sdl_grab_end(); |
| 339 |
} |
| 340 |
vga_hw_invalidate(); |
| 341 |
vga_hw_update(); |
| 342 |
} |
| 343 |
|
| 344 |
static void sdl_refresh(DisplayState *ds) |
| 345 |
{
|
| 346 |
SDL_Event ev1, *ev = &ev1; |
| 347 |
int mod_state;
|
| 348 |
|
| 349 |
if (last_vm_running != vm_running) {
|
| 350 |
last_vm_running = vm_running; |
| 351 |
sdl_update_caption(); |
| 352 |
} |
| 353 |
|
| 354 |
vga_hw_update(); |
| 355 |
|
| 356 |
while (SDL_PollEvent(ev)) {
|
| 357 |
switch (ev->type) {
|
| 358 |
case SDL_VIDEOEXPOSE:
|
| 359 |
sdl_update(ds, 0, 0, screen->w, screen->h); |
| 360 |
break;
|
| 361 |
case SDL_KEYDOWN:
|
| 362 |
case SDL_KEYUP:
|
| 363 |
if (ev->type == SDL_KEYDOWN) {
|
| 364 |
if (!alt_grab) {
|
| 365 |
mod_state = (SDL_GetModState() & gui_grab_code) == |
| 366 |
gui_grab_code; |
| 367 |
} else {
|
| 368 |
mod_state = (SDL_GetModState() & (gui_grab_code | KMOD_LSHIFT)) == |
| 369 |
(gui_grab_code | KMOD_LSHIFT); |
| 370 |
} |
| 371 |
gui_key_modifier_pressed = mod_state; |
| 372 |
if (gui_key_modifier_pressed) {
|
| 373 |
int keycode;
|
| 374 |
keycode = sdl_keyevent_to_keycode(&ev->key); |
| 375 |
switch(keycode) {
|
| 376 |
case 0x21: /* 'f' key on US keyboard */ |
| 377 |
toggle_full_screen(ds); |
| 378 |
gui_keysym = 1;
|
| 379 |
break;
|
| 380 |
case 0x02 ... 0x0a: /* '1' to '9' keys */ |
| 381 |
/* Reset the modifiers sent to the current console */
|
| 382 |
reset_keys(); |
| 383 |
console_select(keycode - 0x02);
|
| 384 |
if (!is_graphic_console()) {
|
| 385 |
/* display grab if going to a text console */
|
| 386 |
if (gui_grab)
|
| 387 |
sdl_grab_end(); |
| 388 |
} |
| 389 |
gui_keysym = 1;
|
| 390 |
break;
|
| 391 |
default:
|
| 392 |
break;
|
| 393 |
} |
| 394 |
} else if (!is_graphic_console()) { |
| 395 |
int keysym;
|
| 396 |
keysym = 0;
|
| 397 |
if (ev->key.keysym.mod & (KMOD_LCTRL | KMOD_RCTRL)) {
|
| 398 |
switch(ev->key.keysym.sym) {
|
| 399 |
case SDLK_UP: keysym = QEMU_KEY_CTRL_UP; break; |
| 400 |
case SDLK_DOWN: keysym = QEMU_KEY_CTRL_DOWN; break; |
| 401 |
case SDLK_LEFT: keysym = QEMU_KEY_CTRL_LEFT; break; |
| 402 |
case SDLK_RIGHT: keysym = QEMU_KEY_CTRL_RIGHT; break; |
| 403 |
case SDLK_HOME: keysym = QEMU_KEY_CTRL_HOME; break; |
| 404 |
case SDLK_END: keysym = QEMU_KEY_CTRL_END; break; |
| 405 |
case SDLK_PAGEUP: keysym = QEMU_KEY_CTRL_PAGEUP; break; |
| 406 |
case SDLK_PAGEDOWN: keysym = QEMU_KEY_CTRL_PAGEDOWN; break; |
| 407 |
default: break; |
| 408 |
} |
| 409 |
} else {
|
| 410 |
switch(ev->key.keysym.sym) {
|
| 411 |
case SDLK_UP: keysym = QEMU_KEY_UP; break; |
| 412 |
case SDLK_DOWN: keysym = QEMU_KEY_DOWN; break; |
| 413 |
case SDLK_LEFT: keysym = QEMU_KEY_LEFT; break; |
| 414 |
case SDLK_RIGHT: keysym = QEMU_KEY_RIGHT; break; |
| 415 |
case SDLK_HOME: keysym = QEMU_KEY_HOME; break; |
| 416 |
case SDLK_END: keysym = QEMU_KEY_END; break; |
| 417 |
case SDLK_PAGEUP: keysym = QEMU_KEY_PAGEUP; break; |
| 418 |
case SDLK_PAGEDOWN: keysym = QEMU_KEY_PAGEDOWN; break; |
| 419 |
case SDLK_BACKSPACE: keysym = QEMU_KEY_BACKSPACE; break; |
| 420 |
case SDLK_DELETE: keysym = QEMU_KEY_DELETE; break; |
| 421 |
default: break; |
| 422 |
} |
| 423 |
} |
| 424 |
if (keysym) {
|
| 425 |
kbd_put_keysym(keysym); |
| 426 |
} else if (ev->key.keysym.unicode != 0) { |
| 427 |
kbd_put_keysym(ev->key.keysym.unicode); |
| 428 |
} |
| 429 |
} |
| 430 |
} else if (ev->type == SDL_KEYUP) { |
| 431 |
if (!alt_grab) {
|
| 432 |
mod_state = (ev->key.keysym.mod & gui_grab_code); |
| 433 |
} else {
|
| 434 |
mod_state = (ev->key.keysym.mod & |
| 435 |
(gui_grab_code | KMOD_LSHIFT)); |
| 436 |
} |
| 437 |
if (!mod_state) {
|
| 438 |
if (gui_key_modifier_pressed) {
|
| 439 |
gui_key_modifier_pressed = 0;
|
| 440 |
if (gui_keysym == 0) { |
| 441 |
/* exit/enter grab if pressing Ctrl-Alt */
|
| 442 |
if (!gui_grab) {
|
| 443 |
/* if the application is not active,
|
| 444 |
do not try to enter grab state. It
|
| 445 |
prevents
|
| 446 |
'SDL_WM_GrabInput(SDL_GRAB_ON)'
|
| 447 |
from blocking all the application
|
| 448 |
(SDL bug). */
|
| 449 |
if (SDL_GetAppState() & SDL_APPACTIVE)
|
| 450 |
sdl_grab_start(); |
| 451 |
} else {
|
| 452 |
sdl_grab_end(); |
| 453 |
} |
| 454 |
/* SDL does not send back all the
|
| 455 |
modifiers key, so we must correct it */
|
| 456 |
reset_keys(); |
| 457 |
break;
|
| 458 |
} |
| 459 |
gui_keysym = 0;
|
| 460 |
} |
| 461 |
} |
| 462 |
} |
| 463 |
if (is_graphic_console() && !gui_keysym)
|
| 464 |
sdl_process_key(&ev->key); |
| 465 |
break;
|
| 466 |
case SDL_QUIT:
|
| 467 |
if (!no_quit) {
|
| 468 |
qemu_system_shutdown_request(); |
| 469 |
vm_start(); /* In case we're paused */
|
| 470 |
} |
| 471 |
break;
|
| 472 |
case SDL_MOUSEMOTION:
|
| 473 |
if (gui_grab || kbd_mouse_is_absolute() ||
|
| 474 |
absolute_enabled) {
|
| 475 |
sdl_send_mouse_event(0);
|
| 476 |
} |
| 477 |
break;
|
| 478 |
case SDL_MOUSEBUTTONDOWN:
|
| 479 |
case SDL_MOUSEBUTTONUP:
|
| 480 |
{
|
| 481 |
SDL_MouseButtonEvent *bev = &ev->button; |
| 482 |
if (!gui_grab && !kbd_mouse_is_absolute()) {
|
| 483 |
if (ev->type == SDL_MOUSEBUTTONDOWN &&
|
| 484 |
(bev->state & SDL_BUTTON_LMASK)) {
|
| 485 |
/* start grabbing all events */
|
| 486 |
sdl_grab_start(); |
| 487 |
} |
| 488 |
} else {
|
| 489 |
int dz;
|
| 490 |
dz = 0;
|
| 491 |
#ifdef SDL_BUTTON_WHEELUP
|
| 492 |
if (bev->button == SDL_BUTTON_WHEELUP && ev->type == SDL_MOUSEBUTTONDOWN) {
|
| 493 |
dz = -1;
|
| 494 |
} else if (bev->button == SDL_BUTTON_WHEELDOWN && ev->type == SDL_MOUSEBUTTONDOWN) { |
| 495 |
dz = 1;
|
| 496 |
} |
| 497 |
#endif
|
| 498 |
sdl_send_mouse_event(dz); |
| 499 |
} |
| 500 |
} |
| 501 |
break;
|
| 502 |
case SDL_ACTIVEEVENT:
|
| 503 |
if (gui_grab && ev->active.state == SDL_APPINPUTFOCUS &&
|
| 504 |
!ev->active.gain && !gui_fullscreen_initial_grab) {
|
| 505 |
sdl_grab_end(); |
| 506 |
} |
| 507 |
break;
|
| 508 |
default:
|
| 509 |
break;
|
| 510 |
} |
| 511 |
} |
| 512 |
} |
| 513 |
|
| 514 |
static void sdl_fill(DisplayState *ds, int x, int y, int w, int h, uint32_t c) |
| 515 |
{
|
| 516 |
SDL_Rect dst = { x, y, w, h };
|
| 517 |
SDL_FillRect(screen, &dst, c); |
| 518 |
} |
| 519 |
|
| 520 |
static void sdl_mouse_warp(int x, int y, int on) |
| 521 |
{
|
| 522 |
if (on) {
|
| 523 |
if (!guest_cursor)
|
| 524 |
sdl_show_cursor(); |
| 525 |
if (gui_grab || kbd_mouse_is_absolute() || absolute_enabled) {
|
| 526 |
SDL_SetCursor(guest_sprite); |
| 527 |
SDL_WarpMouse(x, y); |
| 528 |
} |
| 529 |
} else if (gui_grab) |
| 530 |
sdl_hide_cursor(); |
| 531 |
guest_cursor = on; |
| 532 |
guest_x = x, guest_y = y; |
| 533 |
} |
| 534 |
|
| 535 |
static void sdl_mouse_define(int width, int height, int bpp, |
| 536 |
int hot_x, int hot_y, |
| 537 |
uint8_t *image, uint8_t *mask) |
| 538 |
{
|
| 539 |
uint8_t sprite[256], *line;
|
| 540 |
int x, y, dst, bypl, src = 0; |
| 541 |
if (guest_sprite)
|
| 542 |
SDL_FreeCursor(guest_sprite); |
| 543 |
|
| 544 |
memset(sprite, 0, 256); |
| 545 |
bypl = ((width * bpp + 31) >> 5) << 2; |
| 546 |
for (y = 0, dst = 0; y < height; y ++, image += bypl) { |
| 547 |
line = image; |
| 548 |
for (x = 0; x < width; x ++, dst ++) { |
| 549 |
switch (bpp) {
|
| 550 |
case 24: |
| 551 |
src = *(line ++); src |= *(line ++); src |= *(line ++); |
| 552 |
break;
|
| 553 |
case 16: |
| 554 |
case 15: |
| 555 |
src = *(line ++); src |= *(line ++); |
| 556 |
break;
|
| 557 |
case 8: |
| 558 |
src = *(line ++); |
| 559 |
break;
|
| 560 |
case 4: |
| 561 |
src = 0xf & (line[x >> 1] >> ((x & 1)) << 2); |
| 562 |
break;
|
| 563 |
case 2: |
| 564 |
src = 3 & (line[x >> 2] >> ((x & 3)) << 1); |
| 565 |
break;
|
| 566 |
case 1: |
| 567 |
src = 1 & (line[x >> 3] >> (x & 7)); |
| 568 |
break;
|
| 569 |
} |
| 570 |
if (!src)
|
| 571 |
sprite[dst >> 3] |= (1 << (~dst & 7)) & mask[dst >> 3]; |
| 572 |
} |
| 573 |
} |
| 574 |
guest_sprite = SDL_CreateCursor(sprite, mask, width, height, hot_x, hot_y); |
| 575 |
|
| 576 |
if (guest_cursor &&
|
| 577 |
(gui_grab || kbd_mouse_is_absolute() || absolute_enabled)) |
| 578 |
SDL_SetCursor(guest_sprite); |
| 579 |
} |
| 580 |
|
| 581 |
static void sdl_cleanup(void) |
| 582 |
{
|
| 583 |
if (guest_sprite)
|
| 584 |
SDL_FreeCursor(guest_sprite); |
| 585 |
SDL_Quit(); |
| 586 |
} |
| 587 |
|
| 588 |
void sdl_display_init(DisplayState *ds, int full_screen, int no_frame) |
| 589 |
{
|
| 590 |
int flags;
|
| 591 |
uint8_t data = 0;
|
| 592 |
|
| 593 |
#if defined(__APPLE__)
|
| 594 |
/* always use generic keymaps */
|
| 595 |
if (!keyboard_layout)
|
| 596 |
keyboard_layout = "en-us";
|
| 597 |
#endif
|
| 598 |
if(keyboard_layout) {
|
| 599 |
kbd_layout = init_keyboard_layout(keyboard_layout); |
| 600 |
if (!kbd_layout)
|
| 601 |
exit(1);
|
| 602 |
} |
| 603 |
|
| 604 |
if (no_frame)
|
| 605 |
gui_noframe = 1;
|
| 606 |
|
| 607 |
flags = SDL_INIT_VIDEO | SDL_INIT_NOPARACHUTE; |
| 608 |
if (SDL_Init (flags)) {
|
| 609 |
fprintf(stderr, "Could not initialize SDL - exiting\n");
|
| 610 |
exit(1);
|
| 611 |
} |
| 612 |
#ifndef _WIN32
|
| 613 |
/* NOTE: we still want Ctrl-C to work, so we undo the SDL redirections */
|
| 614 |
signal(SIGINT, SIG_DFL); |
| 615 |
signal(SIGQUIT, SIG_DFL); |
| 616 |
#endif
|
| 617 |
|
| 618 |
ds->dpy_update = sdl_update; |
| 619 |
ds->dpy_resize = sdl_resize; |
| 620 |
ds->dpy_refresh = sdl_refresh; |
| 621 |
ds->dpy_fill = sdl_fill; |
| 622 |
ds->mouse_set = sdl_mouse_warp; |
| 623 |
ds->cursor_define = sdl_mouse_define; |
| 624 |
|
| 625 |
sdl_resize(ds, 640, 400); |
| 626 |
sdl_update_caption(); |
| 627 |
SDL_EnableKeyRepeat(250, 50); |
| 628 |
SDL_EnableUNICODE(1);
|
| 629 |
gui_grab = 0;
|
| 630 |
|
| 631 |
sdl_cursor_hidden = SDL_CreateCursor(&data, &data, 8, 1, 0, 0); |
| 632 |
sdl_cursor_normal = SDL_GetCursor(); |
| 633 |
|
| 634 |
atexit(sdl_cleanup); |
| 635 |
if (full_screen) {
|
| 636 |
gui_fullscreen = 1;
|
| 637 |
gui_fullscreen_initial_grab = 1;
|
| 638 |
sdl_grab_start(); |
| 639 |
} |
| 640 |
} |