| /* |
| * 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. |
| */ |
| |
| /* Avoid compiler warning because macro is redefined in SDL_syswm.h. */ |
| #undef WIN32_LEAN_AND_MEAN |
| |
| #include <SDL.h> |
| |
| #if SDL_MAJOR_VERSION == 1 |
| #include <SDL_syswm.h> |
| |
| #include "qemu-common.h" |
| #include "ui/console.h" |
| #include "ui/input.h" |
| #include "sysemu/sysemu.h" |
| #include "x_keymap.h" |
| #include "sdl_zoom.h" |
| |
| static DisplayChangeListener *dcl; |
| static DisplaySurface *surface; |
| 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 bool gui_saved_scaling; |
| static int gui_saved_width; |
| static int gui_saved_height; |
| 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_grab_code = KMOD_LALT | KMOD_LCTRL; |
| static uint8_t modifiers_state[256]; |
| 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 = NULL; |
| static SDL_PixelFormat host_format; |
| static int scaling_active = 0; |
| static Notifier mouse_mode_notifier; |
| |
| static void sdl_update(DisplayChangeListener *dcl, |
| int x, int y, int w, int h) |
| { |
| // printf("updating x=%d y=%d w=%d h=%d\n", x, y, w, h); |
| SDL_Rect rec; |
| rec.x = x; |
| rec.y = y; |
| rec.w = w; |
| rec.h = h; |
| |
| if (guest_screen) { |
| if (!scaling_active) { |
| SDL_BlitSurface(guest_screen, &rec, real_screen, &rec); |
| } else { |
| if (sdl_zoom_blit(guest_screen, real_screen, SMOOTHING_ON, &rec) < 0) { |
| fprintf(stderr, "Zoom blit failed\n"); |
| exit(1); |
| } |
| } |
| } |
| SDL_UpdateRect(real_screen, rec.x, rec.y, rec.w, rec.h); |
| } |
| |
| static void do_sdl_resize(int width, int height, int bpp) |
| { |
| int flags; |
| SDL_Surface *tmp_screen; |
| |
| // printf("resizing to %d %d\n", w, h); |
| |
| flags = SDL_HWSURFACE | SDL_ASYNCBLIT | SDL_HWACCEL; |
| if (gui_fullscreen) { |
| flags |= SDL_FULLSCREEN; |
| } else { |
| flags |= SDL_RESIZABLE; |
| } |
| if (gui_noframe) |
| flags |= SDL_NOFRAME; |
| |
| tmp_screen = SDL_SetVideoMode(width, height, bpp, flags); |
| if (!real_screen) { |
| if (!tmp_screen) { |
| fprintf(stderr, "Could not open SDL display (%dx%dx%d): %s\n", |
| width, height, bpp, SDL_GetError()); |
| exit(1); |
| } |
| } else { |
| /* |
| * Revert to the previous video mode if the change of resizing or |
| * resolution failed. |
| */ |
| if (!tmp_screen) { |
| fprintf(stderr, "Failed to set SDL display (%dx%dx%d): %s\n", |
| width, height, bpp, SDL_GetError()); |
| return; |
| } |
| } |
| |
| real_screen = tmp_screen; |
| } |
| |
| static void sdl_switch(DisplayChangeListener *dcl, |
| DisplaySurface *new_surface) |
| { |
| PixelFormat pf = qemu_pixelformat_from_pixman(new_surface->format); |
| |
| /* temporary hack: allows to call sdl_switch to handle scaling changes */ |
| if (new_surface) { |
| surface = new_surface; |
| } |
| |
| if (!scaling_active) { |
| do_sdl_resize(surface_width(surface), surface_height(surface), 0); |
| } else if (real_screen->format->BitsPerPixel != |
| surface_bits_per_pixel(surface)) { |
| do_sdl_resize(real_screen->w, real_screen->h, |
| surface_bits_per_pixel(surface)); |
| } |
| |
| if (guest_screen != NULL) { |
| SDL_FreeSurface(guest_screen); |
| } |
| guest_screen = SDL_CreateRGBSurfaceFrom |
| (surface_data(surface), |
| surface_width(surface), surface_height(surface), |
| surface_bits_per_pixel(surface), surface_stride(surface), |
| pf.rmask, pf.gmask, |
| pf.bmask, pf.amask); |
| } |
| |
| /* 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) & SCANCODE_KEYMASK; |
| } |
| |
| /* 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 = NULL; |
| int has_evdev = 0; |
| char *keycodes = NULL; |
| |
| SDL_VERSION(&info.version); |
| if (!SDL_GetWMInfo(&info)) { |
| return 0; |
| } |
| desc = XkbGetKeyboard(info.info.x11.display, |
| XkbGBN_AllComponentsMask, |
| XkbUseCoreKbd); |
| if (desc && desc->names) { |
| 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); |
| } |
| } |
| |
| if (desc) { |
| XkbFreeKeyboard(desc, XkbGBN_AllComponentsMask, True); |
| } |
| if (keycodes) { |
| XFree(keycodes); |
| } |
| 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]) { |
| qemu_input_event_send_key_number(dcl->con, i, false); |
| modifiers_state[i] = 0; |
| } |
| } |
| } |
| |
| static void sdl_process_key(SDL_KeyboardEvent *ev) |
| { |
| int keycode; |
| |
| if (ev->keysym.sym == SDLK_PAUSE) { |
| /* specific case */ |
| qemu_input_event_send_key_qcode(dcl->con, Q_KEY_CODE_PAUSE, |
| ev->type == SDL_KEYDOWN); |
| 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; |
| #define QEMU_SDL_VERSION ((SDL_MAJOR_VERSION << 8) + SDL_MINOR_VERSION) |
| #if QEMU_SDL_VERSION < 0x102 || QEMU_SDL_VERSION == 0x102 && SDL_PATCHLEVEL < 14 |
| /* SDL versions before 1.2.14 don't support key up for caps/num lock. */ |
| case 0x45: /* num lock */ |
| case 0x3a: /* caps lock */ |
| /* SDL does not send the key up event, so we generate it */ |
| qemu_input_event_send_key_number(dcl->con, keycode, true); |
| qemu_input_event_send_key_number(dcl->con, keycode, false); |
| return; |
| #endif |
| } |
| |
| /* now send the key code */ |
| qemu_input_event_send_key_number(dcl->con, keycode, |
| ev->type == SDL_KEYDOWN); |
| } |
| |
| static void sdl_update_caption(void) |
| { |
| char win_title[1024]; |
| char icon_title[1024]; |
| const char *status = ""; |
| |
| if (!runstate_is_running()) |
| status = " [Stopped]"; |
| else if (gui_grab) { |
| if (alt_grab) |
| status = " - Press Ctrl-Alt-Shift to exit mouse grab"; |
| else if (ctrl_grab) |
| status = " - Press Right-Ctrl to exit mouse grab"; |
| else |
| status = " - Press Ctrl-Alt to exit mouse grab"; |
| } |
| |
| if (qemu_name) { |
| snprintf(win_title, sizeof(win_title), "QEMU (%s)%s", qemu_name, status); |
| snprintf(icon_title, sizeof(icon_title), "QEMU (%s)", qemu_name); |
| } else { |
| snprintf(win_title, sizeof(win_title), "QEMU%s", status); |
| snprintf(icon_title, sizeof(icon_title), "QEMU"); |
| } |
| |
| SDL_WM_SetCaption(win_title, icon_title); |
| } |
| |
| static void sdl_hide_cursor(void) |
| { |
| if (!cursor_hide) |
| return; |
| |
| if (qemu_input_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 (!qemu_input_is_absolute() || !qemu_console_is_graphic(NULL)) { |
| SDL_ShowCursor(1); |
| if (guest_cursor && |
| (gui_grab || qemu_input_is_absolute() || absolute_enabled)) |
| SDL_SetCursor(guest_sprite); |
| else |
| SDL_SetCursor(sdl_cursor_normal); |
| } |
| } |
| |
| static void sdl_grab_start(void) |
| { |
| /* |
| * If the application is not active, do not try to enter grab state. This |
| * prevents 'SDL_WM_GrabInput(SDL_GRAB_ON)' from blocking all the |
| * application (SDL bug). |
| */ |
| if (!(SDL_GetAppState() & SDL_APPINPUTFOCUS)) { |
| return; |
| } |
| if (guest_cursor) { |
| SDL_SetCursor(guest_sprite); |
| if (!qemu_input_is_absolute() && !absolute_enabled) { |
| SDL_WarpMouse(guest_x, guest_y); |
| } |
| } else |
| sdl_hide_cursor(); |
| SDL_WM_GrabInput(SDL_GRAB_ON); |
| gui_grab = 1; |
| sdl_update_caption(); |
| } |
| |
| static void sdl_grab_end(void) |
| { |
| SDL_WM_GrabInput(SDL_GRAB_OFF); |
| gui_grab = 0; |
| sdl_show_cursor(); |
| sdl_update_caption(); |
| } |
| |
| static void absolute_mouse_grab(void) |
| { |
| int mouse_x, mouse_y; |
| |
| SDL_GetMouseState(&mouse_x, &mouse_y); |
| if (mouse_x > 0 && mouse_x < real_screen->w - 1 && |
| mouse_y > 0 && mouse_y < real_screen->h - 1) { |
| sdl_grab_start(); |
| } |
| } |
| |
| static void sdl_mouse_mode_change(Notifier *notify, void *data) |
| { |
| if (qemu_input_is_absolute()) { |
| if (!absolute_enabled) { |
| absolute_enabled = 1; |
| if (qemu_console_is_graphic(NULL)) { |
| absolute_mouse_grab(); |
| } |
| } |
| } else if (absolute_enabled) { |
| if (!gui_fullscreen) { |
| sdl_grab_end(); |
| } |
| absolute_enabled = 0; |
| } |
| } |
| |
| static void sdl_send_mouse_event(int dx, int dy, int x, int y, int state) |
| { |
| static uint32_t bmap[INPUT_BUTTON_MAX] = { |
| [INPUT_BUTTON_LEFT] = SDL_BUTTON(SDL_BUTTON_LEFT), |
| [INPUT_BUTTON_MIDDLE] = SDL_BUTTON(SDL_BUTTON_MIDDLE), |
| [INPUT_BUTTON_RIGHT] = SDL_BUTTON(SDL_BUTTON_RIGHT), |
| [INPUT_BUTTON_WHEEL_UP] = SDL_BUTTON(SDL_BUTTON_WHEELUP), |
| [INPUT_BUTTON_WHEEL_DOWN] = SDL_BUTTON(SDL_BUTTON_WHEELDOWN), |
| }; |
| static uint32_t prev_state; |
| |
| if (prev_state != state) { |
| qemu_input_update_buttons(dcl->con, bmap, prev_state, state); |
| prev_state = state; |
| } |
| |
| if (qemu_input_is_absolute()) { |
| qemu_input_queue_abs(dcl->con, INPUT_AXIS_X, x, |
| real_screen->w); |
| qemu_input_queue_abs(dcl->con, INPUT_AXIS_Y, y, |
| real_screen->h); |
| } else { |
| if (guest_cursor) { |
| x -= guest_x; |
| y -= guest_y; |
| guest_x += x; |
| guest_y += y; |
| dx = x; |
| dy = y; |
| } |
| qemu_input_queue_rel(dcl->con, INPUT_AXIS_X, dx); |
| qemu_input_queue_rel(dcl->con, INPUT_AXIS_Y, dy); |
| } |
| qemu_input_event_sync(); |
| } |
| |
| static void sdl_scale(int width, int height) |
| { |
| int bpp = real_screen->format->BitsPerPixel; |
| |
| if (bpp != 16 && bpp != 32) { |
| bpp = 32; |
| } |
| do_sdl_resize(width, height, bpp); |
| scaling_active = 1; |
| } |
| |
| static void toggle_full_screen(void) |
| { |
| int width = surface_width(surface); |
| int height = surface_height(surface); |
| int bpp = surface_bits_per_pixel(surface); |
| |
| gui_fullscreen = !gui_fullscreen; |
| if (gui_fullscreen) { |
| gui_saved_width = real_screen->w; |
| gui_saved_height = real_screen->h; |
| gui_saved_scaling = scaling_active; |
| |
| do_sdl_resize(width, height, bpp); |
| scaling_active = 0; |
| |
| gui_saved_grab = gui_grab; |
| sdl_grab_start(); |
| } else { |
| if (gui_saved_scaling) { |
| sdl_scale(gui_saved_width, gui_saved_height); |
| } else { |
| do_sdl_resize(width, height, 0); |
| } |
| if (!gui_saved_grab || !qemu_console_is_graphic(NULL)) { |
| sdl_grab_end(); |
| } |
| } |
| graphic_hw_invalidate(NULL); |
| graphic_hw_update(NULL); |
| } |
| |
| static void handle_keydown(SDL_Event *ev) |
| { |
| int mod_state; |
| int keycode; |
| |
| if (alt_grab) { |
| mod_state = (SDL_GetModState() & (gui_grab_code | KMOD_LSHIFT)) == |
| (gui_grab_code | KMOD_LSHIFT); |
| } else if (ctrl_grab) { |
| mod_state = (SDL_GetModState() & KMOD_RCTRL) == KMOD_RCTRL; |
| } else { |
| mod_state = (SDL_GetModState() & gui_grab_code) == gui_grab_code; |
| } |
| gui_key_modifier_pressed = mod_state; |
| |
| if (gui_key_modifier_pressed) { |
| keycode = sdl_keyevent_to_keycode(&ev->key); |
| switch (keycode) { |
| case 0x21: /* 'f' key on US keyboard */ |
| toggle_full_screen(); |
| gui_keysym = 1; |
| break; |
| case 0x16: /* 'u' key on US keyboard */ |
| if (scaling_active) { |
| scaling_active = 0; |
| sdl_switch(dcl, NULL); |
| graphic_hw_invalidate(NULL); |
| graphic_hw_update(NULL); |
| } |
| 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); |
| gui_keysym = 1; |
| if (gui_fullscreen) { |
| break; |
| } |
| if (!qemu_console_is_graphic(NULL)) { |
| /* release grab if going to a text console */ |
| if (gui_grab) { |
| sdl_grab_end(); |
| } else if (absolute_enabled) { |
| sdl_show_cursor(); |
| } |
| } else if (absolute_enabled) { |
| sdl_hide_cursor(); |
| absolute_mouse_grab(); |
| } |
| break; |
| case 0x1b: /* '+' */ |
| case 0x35: /* '-' */ |
| if (!gui_fullscreen) { |
| int width = MAX(real_screen->w + (keycode == 0x1b ? 50 : -50), |
| 160); |
| int height = (surface_height(surface) * width) / |
| surface_width(surface); |
| |
| sdl_scale(width, height); |
| graphic_hw_invalidate(NULL); |
| graphic_hw_update(NULL); |
| gui_keysym = 1; |
| } |
| default: |
| break; |
| } |
| } else if (!qemu_console_is_graphic(NULL)) { |
| int 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); |
| } |
| } |
| if (qemu_console_is_graphic(NULL) && !gui_keysym) { |
| sdl_process_key(&ev->key); |
| } |
| } |
| |
| static void handle_keyup(SDL_Event *ev) |
| { |
| int mod_state; |
| |
| 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 && gui_key_modifier_pressed) { |
| gui_key_modifier_pressed = 0; |
| if (gui_keysym == 0) { |
| /* exit/enter grab if pressing Ctrl-Alt */ |
| if (!gui_grab) { |
| if (qemu_console_is_graphic(NULL)) { |
| sdl_grab_start(); |
| } |
| } else if (!gui_fullscreen) { |
| sdl_grab_end(); |
| } |
| /* SDL does not send back all the modifiers key, so we must |
| * correct it. */ |
| reset_keys(); |
| return; |
| } |
| gui_keysym = 0; |
| } |
| if (qemu_console_is_graphic(NULL) && !gui_keysym) { |
| sdl_process_key(&ev->key); |
| } |
| } |
| |
| static void handle_mousemotion(SDL_Event *ev) |
| { |
| int max_x, max_y; |
| |
| if (qemu_console_is_graphic(NULL) && |
| (qemu_input_is_absolute() || absolute_enabled)) { |
| max_x = real_screen->w - 1; |
| max_y = real_screen->h - 1; |
| if (gui_grab && (ev->motion.x == 0 || ev->motion.y == 0 || |
| ev->motion.x == max_x || ev->motion.y == max_y)) { |
| sdl_grab_end(); |
| } |
| if (!gui_grab && |
| (ev->motion.x > 0 && ev->motion.x < max_x && |
| ev->motion.y > 0 && ev->motion.y < max_y)) { |
| sdl_grab_start(); |
| } |
| } |
| if (gui_grab || qemu_input_is_absolute() || absolute_enabled) { |
| sdl_send_mouse_event(ev->motion.xrel, ev->motion.yrel, |
| ev->motion.x, ev->motion.y, ev->motion.state); |
| } |
| } |
| |
| static void handle_mousebutton(SDL_Event *ev) |
| { |
| int buttonstate = SDL_GetMouseState(NULL, NULL); |
| SDL_MouseButtonEvent *bev; |
| |
| if (!qemu_console_is_graphic(NULL)) { |
| return; |
| } |
| |
| bev = &ev->button; |
| if (!gui_grab && !qemu_input_is_absolute()) { |
| if (ev->type == SDL_MOUSEBUTTONUP && bev->button == SDL_BUTTON_LEFT) { |
| /* start grabbing all events */ |
| sdl_grab_start(); |
| } |
| } else { |
| if (ev->type == SDL_MOUSEBUTTONDOWN) { |
| buttonstate |= SDL_BUTTON(bev->button); |
| } else { |
| buttonstate &= ~SDL_BUTTON(bev->button); |
| } |
| sdl_send_mouse_event(0, 0, bev->x, bev->y, buttonstate); |
| } |
| } |
| |
| static void handle_activation(SDL_Event *ev) |
| { |
| #ifdef _WIN32 |
| /* Disable grab if the window no longer has the focus |
| * (Windows-only workaround) */ |
| if (gui_grab && ev->active.state == SDL_APPINPUTFOCUS && |
| !ev->active.gain && !gui_fullscreen) { |
| sdl_grab_end(); |
| } |
| #endif |
| if (!gui_grab && ev->active.gain && qemu_console_is_graphic(NULL) && |
| (qemu_input_is_absolute() || absolute_enabled)) { |
| absolute_mouse_grab(); |
| } |
| if (ev->active.state & SDL_APPACTIVE) { |
| if (ev->active.gain) { |
| /* Back to default interval */ |
| update_displaychangelistener(dcl, GUI_REFRESH_INTERVAL_DEFAULT); |
| } else { |
| /* Sleeping interval. Not using the long default here as |
| * sdl_refresh does not only update the guest screen, but |
| * also checks for gui events. */ |
| update_displaychangelistener(dcl, 500); |
| } |
| } |
| } |
| |
| static void sdl_refresh(DisplayChangeListener *dcl) |
| { |
| SDL_Event ev1, *ev = &ev1; |
| |
| if (last_vm_running != runstate_is_running()) { |
| last_vm_running = runstate_is_running(); |
| sdl_update_caption(); |
| } |
| |
| graphic_hw_update(NULL); |
| SDL_EnableUNICODE(!qemu_console_is_graphic(NULL)); |
| |
| while (SDL_PollEvent(ev)) { |
| switch (ev->type) { |
| case SDL_VIDEOEXPOSE: |
| sdl_update(dcl, 0, 0, real_screen->w, real_screen->h); |
| break; |
| case SDL_KEYDOWN: |
| handle_keydown(ev); |
| break; |
| case SDL_KEYUP: |
| handle_keyup(ev); |
| break; |
| case SDL_QUIT: |
| if (!no_quit) { |
| no_shutdown = 0; |
| qemu_system_shutdown_request(); |
| } |
| break; |
| case SDL_MOUSEMOTION: |
| handle_mousemotion(ev); |
| break; |
| case SDL_MOUSEBUTTONDOWN: |
| case SDL_MOUSEBUTTONUP: |
| handle_mousebutton(ev); |
| break; |
| case SDL_ACTIVEEVENT: |
| handle_activation(ev); |
| break; |
| case SDL_VIDEORESIZE: |
| sdl_scale(ev->resize.w, ev->resize.h); |
| graphic_hw_invalidate(NULL); |
| graphic_hw_update(NULL); |
| break; |
| default: |
| break; |
| } |
| } |
| } |
| |
| static void sdl_mouse_warp(DisplayChangeListener *dcl, |
| int x, int y, int on) |
| { |
| if (on) { |
| if (!guest_cursor) |
| sdl_show_cursor(); |
| if (gui_grab || qemu_input_is_absolute() || absolute_enabled) { |
| SDL_SetCursor(guest_sprite); |
| if (!qemu_input_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(DisplayChangeListener *dcl, |
| QEMUCursor *c) |
| { |
| uint8_t *image, *mask; |
| int bpl; |
| |
| if (guest_sprite) |
| SDL_FreeCursor(guest_sprite); |
| |
| bpl = cursor_get_mono_bpl(c); |
| image = g_malloc0(bpl * c->height); |
| mask = g_malloc0(bpl * c->height); |
| cursor_get_mono_image(c, 0x000000, image); |
| cursor_get_mono_mask(c, 0, mask); |
| guest_sprite = SDL_CreateCursor(image, mask, c->width, c->height, |
| c->hot_x, c->hot_y); |
| g_free(image); |
| g_free(mask); |
| |
| if (guest_cursor && |
| (gui_grab || qemu_input_is_absolute() || absolute_enabled)) |
| SDL_SetCursor(guest_sprite); |
| } |
| |
| static void sdl_cleanup(void) |
| { |
| if (guest_sprite) |
| SDL_FreeCursor(guest_sprite); |
| SDL_QuitSubSystem(SDL_INIT_VIDEO); |
| } |
| |
| static const DisplayChangeListenerOps dcl_ops = { |
| .dpy_name = "sdl", |
| .dpy_gfx_update = sdl_update, |
| .dpy_gfx_switch = sdl_switch, |
| .dpy_refresh = sdl_refresh, |
| .dpy_mouse_set = sdl_mouse_warp, |
| .dpy_cursor_define = sdl_mouse_define, |
| }; |
| |
| void sdl_display_init(DisplayState *ds, int full_screen, int no_frame) |
| { |
| int flags; |
| uint8_t data = 0; |
| const SDL_VideoInfo *vi; |
| char *filename; |
| |
| #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; |
| |
| if (!full_screen) { |
| setenv("SDL_VIDEO_ALLOW_SCREENSAVER", "1", 0); |
| } |
| #ifdef __linux__ |
| /* on Linux, SDL may use fbcon|directfb|svgalib when run without |
| * accessible $DISPLAY to open X11 window. This is often the case |
| * when qemu is run using sudo. But in this case, and when actually |
| * run in X11 environment, SDL fights with X11 for the video card, |
| * making current display unavailable, often until reboot. |
| * So make x11 the default SDL video driver if this variable is unset. |
| * This is a bit hackish but saves us from bigger problem. |
| * Maybe it's a good idea to fix this in SDL instead. |
| */ |
| setenv("SDL_VIDEODRIVER", "x11", 0); |
| #endif |
| |
| /* Enable normal up/down events for Caps-Lock and Num-Lock keys. |
| * This requires SDL >= 1.2.14. */ |
| setenv("SDL_DISABLE_LOCK_KEYS", "1", 1); |
| |
| flags = SDL_INIT_VIDEO | SDL_INIT_NOPARACHUTE; |
| if (SDL_Init (flags)) { |
| fprintf(stderr, "Could not initialize SDL(%s) - exiting\n", |
| SDL_GetError()); |
| exit(1); |
| } |
| vi = SDL_GetVideoInfo(); |
| host_format = *(vi->vfmt); |
| |
| /* Load a 32x32x4 image. White pixels are transparent. */ |
| filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, "qemu-icon.bmp"); |
| if (filename) { |
| SDL_Surface *image = SDL_LoadBMP(filename); |
| if (image) { |
| uint32_t colorkey = SDL_MapRGB(image->format, 255, 255, 255); |
| SDL_SetColorKey(image, SDL_SRCCOLORKEY, colorkey); |
| SDL_WM_SetIcon(image, NULL); |
| } |
| g_free(filename); |
| } |
| |
| if (full_screen) { |
| gui_fullscreen = 1; |
| sdl_grab_start(); |
| } |
| |
| dcl = g_malloc0(sizeof(DisplayChangeListener)); |
| dcl->ops = &dcl_ops; |
| register_displaychangelistener(dcl); |
| |
| mouse_mode_notifier.notify = sdl_mouse_mode_change; |
| qemu_add_mouse_mode_change_notifier(&mouse_mode_notifier); |
| |
| 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); |
| } |
| #endif |
