/* * QEMU SDL display driver * * Copyright (c) 2003 Fabrice Bellard * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. */ #include <SDL.h> #include <SDL_syswm.h> #ifndef _WIN32 #include <signal.h> #endif #include "qemu-common.h" #include "console.h" #include "sysemu.h" #include "x_keymap.h" static DisplayChangeListener *dcl; static SDL_Surface *real_screen; static SDL_Surface *guest_screen = NULL; static int gui_grab; /* if true, all keyboard/mouse events are grabbed */ static int last_vm_running; static int gui_saved_grab; static int gui_fullscreen; static int gui_noframe; static int gui_key_modifier_pressed; static int gui_keysym; static int gui_fullscreen_initial_grab; static int gui_grab_code = KMOD_LALT | KMOD_LCTRL; static uint8_t modifiers_state[256]; static int width, height; static SDL_Cursor *sdl_cursor_normal; static SDL_Cursor *sdl_cursor_hidden; static int absolute_enabled = 0; static int guest_cursor = 0; static int guest_x, guest_y; static SDL_Cursor *guest_sprite = 0; static uint8_t allocator; static uint8_t hostbpp; static void sdl_update(DisplayState *ds, int x, int y, int w, int h) { // printf("updating x=%d y=%d w=%d h=%d\n", x, y, w, h); if (guest_screen) { SDL_Rect rec; rec.x = x; rec.y = y; rec.w = w; rec.h = h; SDL_BlitSurface(guest_screen, &rec, real_screen, &rec); } SDL_UpdateRect(real_screen, x, y, w, h); } static void sdl_setdata(DisplayState *ds) { SDL_Rect rec; rec.x = 0; rec.y = 0; rec.w = real_screen->w; rec.h = real_screen->h; if (guest_screen != NULL) SDL_FreeSurface(guest_screen); guest_screen = SDL_CreateRGBSurfaceFrom(ds_get_data(ds), ds_get_width(ds), ds_get_height(ds), ds_get_bits_per_pixel(ds), ds_get_linesize(ds), ds->surface->pf.rmask, ds->surface->pf.gmask, ds->surface->pf.bmask, ds->surface->pf.amask); } static void do_sdl_resize(int new_width, int new_height, int bpp) { int flags; // printf("resizing to %d %d\n", w, h); flags = SDL_HWSURFACE|SDL_ASYNCBLIT|SDL_HWACCEL; if (gui_fullscreen) flags |= SDL_FULLSCREEN; if (gui_noframe) flags |= SDL_NOFRAME; width = new_width; height = new_height; real_screen = SDL_SetVideoMode(width, height, bpp, flags); if (!real_screen) { fprintf(stderr, "Could not open SDL display\n"); exit(1); } } static void sdl_resize(DisplayState *ds) { if (!allocator) { do_sdl_resize(ds_get_width(ds), ds_get_height(ds), 0); sdl_setdata(ds); } else { if (guest_screen != NULL) { SDL_FreeSurface(guest_screen); guest_screen = NULL; } } } static PixelFormat sdl_to_qemu_pixelformat(SDL_PixelFormat *sdl_pf) { PixelFormat qemu_pf; memset(&qemu_pf, 0x00, sizeof(PixelFormat)); qemu_pf.bits_per_pixel = sdl_pf->BitsPerPixel; qemu_pf.bytes_per_pixel = sdl_pf->BytesPerPixel; qemu_pf.depth = (qemu_pf.bits_per_pixel) == 32 ? 24 : (qemu_pf.bits_per_pixel); qemu_pf.rmask = sdl_pf->Rmask; qemu_pf.gmask = sdl_pf->Gmask; qemu_pf.bmask = sdl_pf->Bmask; qemu_pf.amask = sdl_pf->Amask; qemu_pf.rshift = sdl_pf->Rshift; qemu_pf.gshift = sdl_pf->Gshift; qemu_pf.bshift = sdl_pf->Bshift; qemu_pf.ashift = sdl_pf->Ashift; qemu_pf.rbits = 8 - sdl_pf->Rloss; qemu_pf.gbits = 8 - sdl_pf->Gloss; qemu_pf.bbits = 8 - sdl_pf->Bloss; qemu_pf.abits = 8 - sdl_pf->Aloss; qemu_pf.rmax = ((1 << qemu_pf.rbits) - 1); qemu_pf.gmax = ((1 << qemu_pf.gbits) - 1); qemu_pf.bmax = ((1 << qemu_pf.bbits) - 1); qemu_pf.amax = ((1 << qemu_pf.abits) - 1); return qemu_pf; } static DisplaySurface* sdl_create_displaysurface(int width, int height) { DisplaySurface *surface = (DisplaySurface*) qemu_mallocz(sizeof(DisplaySurface)); if (surface == NULL) { fprintf(stderr, "sdl_create_displaysurface: malloc failed\n"); exit(1); } surface->width = width; surface->height = height; if (hostbpp == 16) do_sdl_resize(width, height, 16); else do_sdl_resize(width, height, 32); surface->pf = sdl_to_qemu_pixelformat(real_screen->format); surface->linesize = real_screen->pitch; surface->data = real_screen->pixels; #ifdef WORDS_BIGENDIAN surface->flags = QEMU_ALLOCATED_FLAG | QEMU_BIG_ENDIAN_FLAG; #else surface->flags = QEMU_ALLOCATED_FLAG; #endif allocator = 1; return surface; } static void sdl_free_displaysurface(DisplaySurface *surface) { allocator = 0; if (surface == NULL) return; qemu_free(surface); } static DisplaySurface* sdl_resize_displaysurface(DisplaySurface *surface, int width, int height) { sdl_free_displaysurface(surface); return sdl_create_displaysurface(width, height); } /* generic keyboard conversion */ #include "sdl_keysym.h" static kbd_layout_t *kbd_layout = NULL; static uint8_t sdl_keyevent_to_keycode_generic(const SDL_KeyboardEvent *ev) { int keysym; /* workaround for X11+SDL bug with AltGR */ keysym = ev->keysym.sym; if (keysym == 0 && ev->keysym.scancode == 113) keysym = SDLK_MODE; /* For Japanese key '\' and '|' */ if (keysym == 92 && ev->keysym.scancode == 133) { keysym = 0xa5; } return keysym2scancode(kbd_layout, keysym); } /* specific keyboard conversions from scan codes */ #if defined(_WIN32) static uint8_t sdl_keyevent_to_keycode(const SDL_KeyboardEvent *ev) { return ev->keysym.scancode; } #else #if defined(SDL_VIDEO_DRIVER_X11) #include <X11/XKBlib.h> static int check_for_evdev(void) { SDL_SysWMinfo info; XkbDescPtr desc; int has_evdev = 0; const char *keycodes; SDL_VERSION(&info.version); if (!SDL_GetWMInfo(&info)) return 0; desc = XkbGetKeyboard(info.info.x11.display, XkbGBN_AllComponentsMask, XkbUseCoreKbd); if (desc == NULL || desc->names == NULL) return 0; keycodes = XGetAtomName(info.info.x11.display, desc->names->keycodes); if (keycodes == NULL) fprintf(stderr, "could not lookup keycode name\n"); else if (strstart(keycodes, "evdev", NULL)) has_evdev = 1; else if (!strstart(keycodes, "xfree86", NULL)) fprintf(stderr, "unknown keycodes `%s', please report to qemu-devel@nongnu.org\n", keycodes); XkbFreeClientMap(desc, XkbGBN_AllComponentsMask, True); return has_evdev; } #else static int check_for_evdev(void) { return 0; } #endif static uint8_t sdl_keyevent_to_keycode(const SDL_KeyboardEvent *ev) { int keycode; static int has_evdev = -1; if (has_evdev == -1) has_evdev = check_for_evdev(); keycode = ev->keysym.scancode; if (keycode < 9) { keycode = 0; } else if (keycode < 97) { keycode -= 8; /* just an offset */ } else if (keycode < 158) { /* use conversion table */ if (has_evdev) keycode = translate_evdev_keycode(keycode - 97); else keycode = translate_xfree86_keycode(keycode - 97); } else if (keycode == 208) { /* Hiragana_Katakana */ keycode = 0x70; } else if (keycode == 211) { /* backslash */ keycode = 0x73; } else { keycode = 0; } return keycode; } #endif static void reset_keys(void) { int i; for(i = 0; i < 256; i++) { if (modifiers_state[i]) { if (i & 0x80) kbd_put_keycode(0xe0); kbd_put_keycode(i | 0x80); modifiers_state[i] = 0; } } } static void sdl_process_key(SDL_KeyboardEvent *ev) { int keycode, v; if (ev->keysym.sym == SDLK_PAUSE) { /* specific case */ v = 0; if (ev->type == SDL_KEYUP) v |= 0x80; kbd_put_keycode(0xe1); kbd_put_keycode(0x1d | v); kbd_put_keycode(0x45 | v); return; } if (kbd_layout) { keycode = sdl_keyevent_to_keycode_generic(ev); } else { keycode = sdl_keyevent_to_keycode(ev); } switch(keycode) { case 0x00: /* sent when leaving window: reset the modifiers state */ reset_keys(); return; case 0x2a: /* Left Shift */ case 0x36: /* Right Shift */ case 0x1d: /* Left CTRL */ case 0x9d: /* Right CTRL */ case 0x38: /* Left ALT */ case 0xb8: /* Right ALT */ if (ev->type == SDL_KEYUP) modifiers_state[keycode] = 0; else modifiers_state[keycode] = 1; break; case 0x45: /* num lock */ case 0x3a: /* caps lock */ /* SDL does not send the key up event, so we generate it */ kbd_put_keycode(keycode); kbd_put_keycode(keycode | 0x80); return; } /* now send the key code */ if (keycode & 0x80) kbd_put_keycode(0xe0); if (ev->type == SDL_KEYUP) kbd_put_keycode(keycode | 0x80); else kbd_put_keycode(keycode & 0x7f); } static void sdl_update_caption(void) { char buf[1024]; const char *status = ""; if (!vm_running) status = " [Stopped]"; else if (gui_grab) { if (!alt_grab) status = " - Press Ctrl-Alt to exit grab"; else status = " - Press Ctrl-Alt-Shift to exit grab"; } if (qemu_name) snprintf(buf, sizeof(buf), "QEMU (%s)%s", qemu_name, status); else snprintf(buf, sizeof(buf), "QEMU%s", status); SDL_WM_SetCaption(buf, "QEMU"); } static void sdl_hide_cursor(void) { if (!cursor_hide) return; if (kbd_mouse_is_absolute()) { SDL_ShowCursor(1); SDL_SetCursor(sdl_cursor_hidden); } else { SDL_ShowCursor(0); } } static void sdl_show_cursor(void) { if (!cursor_hide) return; if (!kbd_mouse_is_absolute()) { SDL_ShowCursor(1); if (guest_cursor && (gui_grab || kbd_mouse_is_absolute() || absolute_enabled)) SDL_SetCursor(guest_sprite); else SDL_SetCursor(sdl_cursor_normal); } } static void sdl_grab_start(void) { if (guest_cursor) { SDL_SetCursor(guest_sprite); if (!kbd_mouse_is_absolute() && !absolute_enabled) SDL_WarpMouse(guest_x, guest_y); } else sdl_hide_cursor(); if (SDL_WM_GrabInput(SDL_GRAB_ON) == SDL_GRAB_ON) { gui_grab = 1; sdl_update_caption(); } else sdl_show_cursor(); } static void sdl_grab_end(void) { SDL_WM_GrabInput(SDL_GRAB_OFF); gui_grab = 0; sdl_show_cursor(); sdl_update_caption(); } static void sdl_send_mouse_event(int dx, int dy, int dz, int x, int y, int state) { int buttons; buttons = 0; if (state & SDL_BUTTON(SDL_BUTTON_LEFT)) buttons |= MOUSE_EVENT_LBUTTON; if (state & SDL_BUTTON(SDL_BUTTON_RIGHT)) buttons |= MOUSE_EVENT_RBUTTON; if (state & SDL_BUTTON(SDL_BUTTON_MIDDLE)) buttons |= MOUSE_EVENT_MBUTTON; if (kbd_mouse_is_absolute()) { if (!absolute_enabled) { sdl_hide_cursor(); if (gui_grab) { sdl_grab_end(); } absolute_enabled = 1; } dx = x * 0x7FFF / (width - 1); dy = y * 0x7FFF / (height - 1); } else if (absolute_enabled) { sdl_show_cursor(); absolute_enabled = 0; } else if (guest_cursor) { x -= guest_x; y -= guest_y; guest_x += x; guest_y += y; dx = x; dy = y; } kbd_mouse_event(dx, dy, dz, buttons); } static void toggle_full_screen(DisplayState *ds) { gui_fullscreen = !gui_fullscreen; do_sdl_resize(real_screen->w, real_screen->h, real_screen->format->BitsPerPixel); if (gui_fullscreen) { gui_saved_grab = gui_grab; sdl_grab_start(); } else { if (!gui_saved_grab) sdl_grab_end(); } vga_hw_invalidate(); vga_hw_update(); } static void sdl_refresh(DisplayState *ds) { SDL_Event ev1, *ev = &ev1; int mod_state; int buttonstate = SDL_GetMouseState(NULL, NULL); if (last_vm_running != vm_running) { last_vm_running = vm_running; sdl_update_caption(); } vga_hw_update(); SDL_EnableUNICODE(!is_graphic_console()); while (SDL_PollEvent(ev)) { switch (ev->type) { case SDL_VIDEOEXPOSE: sdl_update(ds, 0, 0, real_screen->w, real_screen->h); break; case SDL_KEYDOWN: case SDL_KEYUP: if (ev->type == SDL_KEYDOWN) { if (!alt_grab) { mod_state = (SDL_GetModState() & gui_grab_code) == gui_grab_code; } else { mod_state = (SDL_GetModState() & (gui_grab_code | KMOD_LSHIFT)) == (gui_grab_code | KMOD_LSHIFT); } gui_key_modifier_pressed = mod_state; if (gui_key_modifier_pressed) { int keycode; keycode = sdl_keyevent_to_keycode(&ev->key); switch(keycode) { case 0x21: /* 'f' key on US keyboard */ toggle_full_screen(ds); gui_keysym = 1; break; case 0x02 ... 0x0a: /* '1' to '9' keys */ /* Reset the modifiers sent to the current console */ reset_keys(); console_select(keycode - 0x02); if (!is_graphic_console()) { /* display grab if going to a text console */ if (gui_grab) sdl_grab_end(); } gui_keysym = 1; break; default: break; } } else if (!is_graphic_console()) { int keysym; keysym = 0; if (ev->key.keysym.mod & (KMOD_LCTRL | KMOD_RCTRL)) { switch(ev->key.keysym.sym) { case SDLK_UP: keysym = QEMU_KEY_CTRL_UP; break; case SDLK_DOWN: keysym = QEMU_KEY_CTRL_DOWN; break; case SDLK_LEFT: keysym = QEMU_KEY_CTRL_LEFT; break; case SDLK_RIGHT: keysym = QEMU_KEY_CTRL_RIGHT; break; case SDLK_HOME: keysym = QEMU_KEY_CTRL_HOME; break; case SDLK_END: keysym = QEMU_KEY_CTRL_END; break; case SDLK_PAGEUP: keysym = QEMU_KEY_CTRL_PAGEUP; break; case SDLK_PAGEDOWN: keysym = QEMU_KEY_CTRL_PAGEDOWN; break; default: break; } } else { switch(ev->key.keysym.sym) { case SDLK_UP: keysym = QEMU_KEY_UP; break; case SDLK_DOWN: keysym = QEMU_KEY_DOWN; break; case SDLK_LEFT: keysym = QEMU_KEY_LEFT; break; case SDLK_RIGHT: keysym = QEMU_KEY_RIGHT; break; case SDLK_HOME: keysym = QEMU_KEY_HOME; break; case SDLK_END: keysym = QEMU_KEY_END; break; case SDLK_PAGEUP: keysym = QEMU_KEY_PAGEUP; break; case SDLK_PAGEDOWN: keysym = QEMU_KEY_PAGEDOWN; break; case SDLK_BACKSPACE: keysym = QEMU_KEY_BACKSPACE; break; case SDLK_DELETE: keysym = QEMU_KEY_DELETE; break; default: break; } } if (keysym) { kbd_put_keysym(keysym); } else if (ev->key.keysym.unicode != 0) { kbd_put_keysym(ev->key.keysym.unicode); } } } else if (ev->type == SDL_KEYUP) { if (!alt_grab) { mod_state = (ev->key.keysym.mod & gui_grab_code); } else { mod_state = (ev->key.keysym.mod & (gui_grab_code | KMOD_LSHIFT)); } if (!mod_state) { if (gui_key_modifier_pressed) { gui_key_modifier_pressed = 0; if (gui_keysym == 0) { /* exit/enter grab if pressing Ctrl-Alt */ if (!gui_grab) { /* if the application is not active, do not try to enter grab state. It prevents 'SDL_WM_GrabInput(SDL_GRAB_ON)' from blocking all the application (SDL bug). */ if (SDL_GetAppState() & SDL_APPACTIVE) sdl_grab_start(); } else { sdl_grab_end(); } /* SDL does not send back all the modifiers key, so we must correct it */ reset_keys(); break; } gui_keysym = 0; } } } if (is_graphic_console() && !gui_keysym) sdl_process_key(&ev->key); break; case SDL_QUIT: if (!no_quit) qemu_system_shutdown_request(); break; case SDL_MOUSEMOTION: if (gui_grab || kbd_mouse_is_absolute() || absolute_enabled) { sdl_send_mouse_event(ev->motion.xrel, ev->motion.yrel, 0, ev->motion.x, ev->motion.y, ev->motion.state); } break; case SDL_MOUSEBUTTONDOWN: case SDL_MOUSEBUTTONUP: { SDL_MouseButtonEvent *bev = &ev->button; if (!gui_grab && !kbd_mouse_is_absolute()) { if (ev->type == SDL_MOUSEBUTTONDOWN && (bev->button == SDL_BUTTON_LEFT)) { /* start grabbing all events */ sdl_grab_start(); } } else { int dz; dz = 0; if (ev->type == SDL_MOUSEBUTTONDOWN) { buttonstate |= SDL_BUTTON(bev->button); } else { buttonstate &= ~SDL_BUTTON(bev->button); } #ifdef SDL_BUTTON_WHEELUP if (bev->button == SDL_BUTTON_WHEELUP && ev->type == SDL_MOUSEBUTTONDOWN) { dz = -1; } else if (bev->button == SDL_BUTTON_WHEELDOWN && ev->type == SDL_MOUSEBUTTONDOWN) { dz = 1; } #endif sdl_send_mouse_event(0, 0, dz, bev->x, bev->y, buttonstate); } } break; case SDL_ACTIVEEVENT: if (gui_grab && ev->active.state == SDL_APPINPUTFOCUS && !ev->active.gain && !gui_fullscreen_initial_grab) { sdl_grab_end(); } if (ev->active.state & SDL_APPACTIVE) { if (ev->active.gain) { /* Back to default interval */ dcl->gui_timer_interval = 0; dcl->idle = 0; } else { /* Sleeping interval */ dcl->gui_timer_interval = 500; dcl->idle = 1; } } break; default: break; } } } static void sdl_fill(DisplayState *ds, int x, int y, int w, int h, uint32_t c) { SDL_Rect dst = { x, y, w, h }; SDL_FillRect(real_screen, &dst, c); } static void sdl_mouse_warp(int x, int y, int on) { if (on) { if (!guest_cursor) sdl_show_cursor(); if (gui_grab || kbd_mouse_is_absolute() || absolute_enabled) { SDL_SetCursor(guest_sprite); if (!kbd_mouse_is_absolute() && !absolute_enabled) SDL_WarpMouse(x, y); } } else if (gui_grab) sdl_hide_cursor(); guest_cursor = on; guest_x = x, guest_y = y; } static void sdl_mouse_define(int width, int height, int bpp, int hot_x, int hot_y, uint8_t *image, uint8_t *mask) { uint8_t sprite[256], *line; int x, y, dst, bypl, src = 0; if (guest_sprite) SDL_FreeCursor(guest_sprite); memset(sprite, 0, 256); bypl = ((width * bpp + 31) >> 5) << 2; for (y = 0, dst = 0; y < height; y ++, image += bypl) { line = image; for (x = 0; x < width; x ++, dst ++) { switch (bpp) { case 24: src = *(line ++); src |= *(line ++); src |= *(line ++); break; case 16: case 15: src = *(line ++); src |= *(line ++); break; case 8: src = *(line ++); break; case 4: src = 0xf & (line[x >> 1] >> ((x & 1)) << 2); break; case 2: src = 3 & (line[x >> 2] >> ((x & 3)) << 1); break; case 1: src = 1 & (line[x >> 3] >> (x & 7)); break; } if (!src) sprite[dst >> 3] |= (1 << (~dst & 7)) & mask[dst >> 3]; } } guest_sprite = SDL_CreateCursor(sprite, mask, width, height, hot_x, hot_y); if (guest_cursor && (gui_grab || kbd_mouse_is_absolute() || absolute_enabled)) SDL_SetCursor(guest_sprite); } static void sdl_cleanup(void) { if (guest_sprite) SDL_FreeCursor(guest_sprite); SDL_Quit(); } void sdl_display_init(DisplayState *ds, int full_screen, int no_frame) { int flags; uint8_t data = 0; DisplayAllocator *da; const SDL_VideoInfo *vi; #if defined(__APPLE__) /* always use generic keymaps */ if (!keyboard_layout) keyboard_layout = "en-us"; #endif if(keyboard_layout) { kbd_layout = init_keyboard_layout(name2keysym, keyboard_layout); if (!kbd_layout) exit(1); } if (no_frame) gui_noframe = 1; flags = SDL_INIT_VIDEO | SDL_INIT_NOPARACHUTE; if (SDL_Init (flags)) { fprintf(stderr, "Could not initialize SDL - exiting\n"); exit(1); } vi = SDL_GetVideoInfo(); hostbpp = vi->vfmt->BitsPerPixel; dcl = qemu_mallocz(sizeof(DisplayChangeListener)); dcl->dpy_update = sdl_update; dcl->dpy_resize = sdl_resize; dcl->dpy_refresh = sdl_refresh; dcl->dpy_setdata = sdl_setdata; dcl->dpy_fill = sdl_fill; ds->mouse_set = sdl_mouse_warp; ds->cursor_define = sdl_mouse_define; register_displaychangelistener(ds, dcl); da = qemu_mallocz(sizeof(DisplayAllocator)); da->create_displaysurface = sdl_create_displaysurface; da->resize_displaysurface = sdl_resize_displaysurface; da->free_displaysurface = sdl_free_displaysurface; if (register_displayallocator(ds, da) == da) { DisplaySurface *surf; surf = sdl_create_displaysurface(ds_get_width(ds), ds_get_height(ds)); defaultallocator_free_displaysurface(ds->surface); ds->surface = surf; dpy_resize(ds); } sdl_update_caption(); SDL_EnableKeyRepeat(250, 50); gui_grab = 0; sdl_cursor_hidden = SDL_CreateCursor(&data, &data, 8, 1, 0, 0); sdl_cursor_normal = SDL_GetCursor(); atexit(sdl_cleanup); if (full_screen) { gui_fullscreen = 1; gui_fullscreen_initial_grab = 1; sdl_grab_start(); } }