/* * 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. */ /* Ported SDL 1.2 code to 2.0 by Dave Airlie. */ /* Avoid compiler warning because macro is redefined in SDL_syswm.h. */ #undef WIN32_LEAN_AND_MEAN #include <SDL.h> #if SDL_MAJOR_VERSION == 2 #include <SDL_syswm.h> #include "qemu-common.h" #include "ui/console.h" #include "ui/input.h" #include "sysemu/sysemu.h" #include "sdl_zoom.h" #include "sdl2-keymap.h" static int sdl2_num_outputs; static struct sdl2_state { DisplayChangeListener dcl; DisplaySurface *surface; SDL_Texture *texture; SDL_Window *real_window; SDL_Renderer *real_renderer; int idx; int last_vm_running; /* per console for caption reasons */ int x, y; int hidden; } *sdl2_console; static SDL_Surface *guest_sprite_surface; static int gui_grab; /* if true, all keyboard/mouse events are grabbed */ 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[SDL_NUM_SCANCODES]; static SDL_Cursor *sdl_cursor_normal; static SDL_Cursor *sdl_cursor_hidden; static int absolute_enabled; static int guest_cursor; static int guest_x, guest_y; static SDL_Cursor *guest_sprite; static int scaling_active; static Notifier mouse_mode_notifier; static void sdl_update_caption(struct sdl2_state *scon); static struct sdl2_state *get_scon_from_window(uint32_t window_id) { int i; for (i = 0; i < sdl2_num_outputs; i++) { if (sdl2_console[i].real_window == SDL_GetWindowFromID(window_id)) { return &sdl2_console[i]; } } return NULL; } static void sdl_update(DisplayChangeListener *dcl, int x, int y, int w, int h) { struct sdl2_state *scon = container_of(dcl, struct sdl2_state, dcl); SDL_Rect rect; DisplaySurface *surf = qemu_console_surface(dcl->con); if (!surf) { return; } if (!scon->texture) { return; } rect.x = x; rect.y = y; rect.w = w; rect.h = h; SDL_UpdateTexture(scon->texture, NULL, surface_data(surf), surface_stride(surf)); SDL_RenderCopy(scon->real_renderer, scon->texture, &rect, &rect); SDL_RenderPresent(scon->real_renderer); } static void do_sdl_resize(struct sdl2_state *scon, int width, int height, int bpp) { int flags; if (scon->real_window && scon->real_renderer) { if (width && height) { SDL_RenderSetLogicalSize(scon->real_renderer, width, height); SDL_SetWindowSize(scon->real_window, width, height); } else { SDL_DestroyRenderer(scon->real_renderer); SDL_DestroyWindow(scon->real_window); scon->real_renderer = NULL; scon->real_window = NULL; } } else { if (!width || !height) { return; } flags = 0; if (gui_fullscreen) { flags |= SDL_WINDOW_FULLSCREEN; } else { flags |= SDL_WINDOW_RESIZABLE; } if (scon->hidden) { flags |= SDL_WINDOW_HIDDEN; } scon->real_window = SDL_CreateWindow("", SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, width, height, flags); scon->real_renderer = SDL_CreateRenderer(scon->real_window, -1, 0); sdl_update_caption(scon); } } static void sdl_switch(DisplayChangeListener *dcl, DisplaySurface *new_surface) { struct sdl2_state *scon = container_of(dcl, struct sdl2_state, dcl); int format = 0; int idx = scon->idx; DisplaySurface *old_surface = scon->surface; /* temporary hack: allows to call sdl_switch to handle scaling changes */ if (new_surface) { scon->surface = new_surface; } if (!new_surface && idx > 0) { scon->surface = NULL; } if (new_surface == NULL) { do_sdl_resize(scon, 0, 0, 0); } else { do_sdl_resize(scon, surface_width(scon->surface), surface_height(scon->surface), 0); } if (old_surface && scon->texture) { SDL_DestroyTexture(scon->texture); scon->texture = NULL; } if (new_surface) { if (!scon->texture) { if (surface_bits_per_pixel(scon->surface) == 16) { format = SDL_PIXELFORMAT_RGB565; } else if (surface_bits_per_pixel(scon->surface) == 32) { format = SDL_PIXELFORMAT_ARGB8888; } scon->texture = SDL_CreateTexture(scon->real_renderer, format, SDL_TEXTUREACCESS_STREAMING, surface_width(new_surface), surface_height(new_surface)); } } } static void reset_keys(struct sdl2_state *scon) { QemuConsole *con = scon ? scon->dcl.con : NULL; int i; for (i = 0; i < 256; i++) { if (modifiers_state[i]) { int qcode = sdl2_scancode_to_qcode[i]; qemu_input_event_send_key_qcode(con, qcode, false); modifiers_state[i] = 0; } } } static void sdl_process_key(struct sdl2_state *scon, SDL_KeyboardEvent *ev) { int qcode = sdl2_scancode_to_qcode[ev->keysym.scancode]; QemuConsole *con = scon ? scon->dcl.con : NULL; if (!qemu_console_is_graphic(con)) { if (ev->type == SDL_KEYDOWN) { switch (ev->keysym.scancode) { case SDL_SCANCODE_RETURN: kbd_put_keysym_console(con, '\n'); break; case SDL_SCANCODE_BACKSPACE: kbd_put_keysym_console(con, QEMU_KEY_BACKSPACE); break; default: kbd_put_qcode_console(con, qcode); break; } } return; } switch (ev->keysym.scancode) { #if 0 case SDL_SCANCODE_NUMLOCKCLEAR: case SDL_SCANCODE_CAPSLOCK: /* SDL does not send the key up event, so we generate it */ qemu_input_event_send_key_qcode(con, qcode, true); qemu_input_event_send_key_qcode(con, qcode, false); return; #endif case SDL_SCANCODE_LCTRL: case SDL_SCANCODE_LSHIFT: case SDL_SCANCODE_LALT: case SDL_SCANCODE_LGUI: case SDL_SCANCODE_RCTRL: case SDL_SCANCODE_RSHIFT: case SDL_SCANCODE_RALT: case SDL_SCANCODE_RGUI: if (ev->type == SDL_KEYUP) { modifiers_state[ev->keysym.scancode] = 0; } else { modifiers_state[ev->keysym.scancode] = 1; } /* fall though */ default: qemu_input_event_send_key_qcode(con, qcode, ev->type == SDL_KEYDOWN); } } static void sdl_update_caption(struct sdl2_state *scon) { 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-%d)%s", qemu_name, scon->idx, 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"); } if (scon->real_window) { SDL_SetWindowTitle(scon->real_window, win_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_SetRelativeMouseMode(SDL_TRUE); } } static void sdl_show_cursor(void) { if (!cursor_hide) { return; } if (!qemu_input_is_absolute()) { SDL_SetRelativeMouseMode(SDL_FALSE); 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(struct sdl2_state *scon) { QemuConsole *con = scon ? scon->dcl.con : NULL; if (!con || !qemu_console_is_graphic(con)) { return; } /* * 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_GetWindowFlags(scon->real_window) & SDL_WINDOW_INPUT_FOCUS)) { return; } if (guest_cursor) { SDL_SetCursor(guest_sprite); if (!qemu_input_is_absolute() && !absolute_enabled) { SDL_WarpMouseInWindow(scon->real_window, guest_x, guest_y); } } else { sdl_hide_cursor(); } SDL_SetWindowGrab(scon->real_window, SDL_TRUE); gui_grab = 1; sdl_update_caption(scon); } static void sdl_grab_end(struct sdl2_state *scon) { SDL_SetWindowGrab(scon->real_window, SDL_FALSE); gui_grab = 0; sdl_show_cursor(); sdl_update_caption(scon); } static void absolute_mouse_grab(struct sdl2_state *scon) { int mouse_x, mouse_y; int scr_w, scr_h; SDL_GetMouseState(&mouse_x, &mouse_y); SDL_GetWindowSize(scon->real_window, &scr_w, &scr_h); if (mouse_x > 0 && mouse_x < scr_w - 1 && mouse_y > 0 && mouse_y < scr_h - 1) { sdl_grab_start(scon); } } static void sdl_mouse_mode_change(Notifier *notify, void *data) { if (qemu_input_is_absolute()) { if (!absolute_enabled) { absolute_enabled = 1; absolute_mouse_grab(&sdl2_console[0]); } } else if (absolute_enabled) { if (!gui_fullscreen) { sdl_grab_end(&sdl2_console[0]); } absolute_enabled = 0; } } static void sdl_send_mouse_event(struct sdl2_state *scon, 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), }; static uint32_t prev_state; if (prev_state != state) { qemu_input_update_buttons(scon->dcl.con, bmap, prev_state, state); prev_state = state; } if (qemu_input_is_absolute()) { int scr_w, scr_h; int max_w = 0, max_h = 0; int off_x = 0, off_y = 0; int cur_off_x = 0, cur_off_y = 0; int i; for (i = 0; i < sdl2_num_outputs; i++) { struct sdl2_state *thiscon = &sdl2_console[i]; if (thiscon->real_window && thiscon->surface) { SDL_GetWindowSize(thiscon->real_window, &scr_w, &scr_h); cur_off_x = thiscon->x; cur_off_y = thiscon->y; if (scr_w + cur_off_x > max_w) { max_w = scr_w + cur_off_x; } if (scr_h + cur_off_y > max_h) { max_h = scr_h + cur_off_y; } if (i == scon->idx) { off_x = cur_off_x; off_y = cur_off_y; } } } qemu_input_queue_abs(scon->dcl.con, INPUT_AXIS_X, off_x + x, max_w); qemu_input_queue_abs(scon->dcl.con, INPUT_AXIS_Y, off_y + y, max_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(scon->dcl.con, INPUT_AXIS_X, dx); qemu_input_queue_rel(scon->dcl.con, INPUT_AXIS_Y, dy); } qemu_input_event_sync(); } static void sdl_scale(struct sdl2_state *scon, int width, int height) { int bpp = 0; do_sdl_resize(scon, width, height, bpp); scaling_active = 1; } static void toggle_full_screen(struct sdl2_state *scon) { int width = surface_width(scon->surface); int height = surface_height(scon->surface); int bpp = surface_bits_per_pixel(scon->surface); gui_fullscreen = !gui_fullscreen; if (gui_fullscreen) { SDL_GetWindowSize(scon->real_window, &gui_saved_width, &gui_saved_height); gui_saved_scaling = scaling_active; do_sdl_resize(scon, width, height, bpp); scaling_active = 0; gui_saved_grab = gui_grab; sdl_grab_start(scon); } else { if (gui_saved_scaling) { sdl_scale(scon, gui_saved_width, gui_saved_height); } else { do_sdl_resize(scon, width, height, 0); } if (!gui_saved_grab) { sdl_grab_end(scon); } } graphic_hw_invalidate(scon->dcl.con); graphic_hw_update(scon->dcl.con); } static void handle_keydown(SDL_Event *ev) { int mod_state, win; struct sdl2_state *scon = get_scon_from_window(ev->key.windowID); 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) { switch (ev->key.keysym.scancode) { case SDL_SCANCODE_2: case SDL_SCANCODE_3: case SDL_SCANCODE_4: case SDL_SCANCODE_5: case SDL_SCANCODE_6: case SDL_SCANCODE_7: case SDL_SCANCODE_8: case SDL_SCANCODE_9: win = ev->key.keysym.scancode - SDL_SCANCODE_1; if (win < sdl2_num_outputs) { sdl2_console[win].hidden = !sdl2_console[win].hidden; if (sdl2_console[win].real_window) { if (sdl2_console[win].hidden) { SDL_HideWindow(sdl2_console[win].real_window); } else { SDL_ShowWindow(sdl2_console[win].real_window); } } gui_keysym = 1; } break; case SDL_SCANCODE_F: toggle_full_screen(scon); gui_keysym = 1; break; case SDL_SCANCODE_U: if (scaling_active) { scaling_active = 0; sdl_switch(&scon->dcl, NULL); graphic_hw_invalidate(scon->dcl.con); graphic_hw_update(scon->dcl.con); } gui_keysym = 1; break; case SDL_SCANCODE_KP_PLUS: case SDL_SCANCODE_KP_MINUS: if (!gui_fullscreen) { int scr_w, scr_h; int width, height; SDL_GetWindowSize(scon->real_window, &scr_w, &scr_h); width = MAX(scr_w + (ev->key.keysym.scancode == SDL_SCANCODE_KP_PLUS ? 50 : -50), 160); height = (surface_height(scon->surface) * width) / surface_width(scon->surface); sdl_scale(scon, width, height); graphic_hw_invalidate(NULL); graphic_hw_update(NULL); gui_keysym = 1; } default: break; } } if (!gui_keysym) { sdl_process_key(scon, &ev->key); } } static void handle_keyup(SDL_Event *ev) { int mod_state; struct sdl2_state *scon = get_scon_from_window(ev->key.windowID); 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) { sdl_grab_start(scon); } else if (!gui_fullscreen) { sdl_grab_end(scon); } /* SDL does not send back all the modifiers key, so we must * correct it. */ reset_keys(scon); return; } gui_keysym = 0; } if (!gui_keysym) { sdl_process_key(scon, &ev->key); } } static void handle_textinput(SDL_Event *ev) { struct sdl2_state *scon = get_scon_from_window(ev->key.windowID); QemuConsole *con = scon ? scon->dcl.con : NULL; if (qemu_console_is_graphic(con)) { return; } kbd_put_string_console(con, ev->text.text, strlen(ev->text.text)); } static void handle_mousemotion(SDL_Event *ev) { int max_x, max_y; struct sdl2_state *scon = get_scon_from_window(ev->key.windowID); if (qemu_input_is_absolute() || absolute_enabled) { int scr_w, scr_h; SDL_GetWindowSize(scon->real_window, &scr_w, &scr_h); max_x = scr_w - 1; max_y = scr_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(scon); } if (!gui_grab && (ev->motion.x > 0 && ev->motion.x < max_x && ev->motion.y > 0 && ev->motion.y < max_y)) { sdl_grab_start(scon); } } if (gui_grab || qemu_input_is_absolute() || absolute_enabled) { sdl_send_mouse_event(scon, 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; struct sdl2_state *scon = get_scon_from_window(ev->key.windowID); 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(scon); } } else { if (ev->type == SDL_MOUSEBUTTONDOWN) { buttonstate |= SDL_BUTTON(bev->button); } else { buttonstate &= ~SDL_BUTTON(bev->button); } sdl_send_mouse_event(scon, 0, 0, bev->x, bev->y, buttonstate); } } static void handle_mousewheel(SDL_Event *ev) { struct sdl2_state *scon = get_scon_from_window(ev->key.windowID); SDL_MouseWheelEvent *wev = &ev->wheel; InputButton btn; if (wev->y > 0) { btn = INPUT_BUTTON_WHEEL_UP; } else if (wev->y < 0) { btn = INPUT_BUTTON_WHEEL_DOWN; } else { return; } qemu_input_queue_btn(scon->dcl.con, btn, true); qemu_input_event_sync(); qemu_input_queue_btn(scon->dcl.con, btn, false); qemu_input_event_sync(); } static void handle_windowevent(DisplayChangeListener *dcl, SDL_Event *ev) { int w, h; struct sdl2_state *scon = get_scon_from_window(ev->key.windowID); switch (ev->window.event) { case SDL_WINDOWEVENT_RESIZED: sdl_scale(scon, ev->window.data1, ev->window.data2); { QemuUIInfo info; memset(&info, 0, sizeof(info)); info.width = ev->window.data1; info.height = ev->window.data2; dpy_set_ui_info(scon->dcl.con, &info); } graphic_hw_invalidate(scon->dcl.con); graphic_hw_update(scon->dcl.con); break; case SDL_WINDOWEVENT_EXPOSED: SDL_GetWindowSize(SDL_GetWindowFromID(ev->window.windowID), &w, &h); sdl_update(dcl, 0, 0, w, h); break; case SDL_WINDOWEVENT_FOCUS_GAINED: case SDL_WINDOWEVENT_ENTER: if (!gui_grab && (qemu_input_is_absolute() || absolute_enabled)) { absolute_mouse_grab(scon); } break; case SDL_WINDOWEVENT_FOCUS_LOST: if (gui_grab && !gui_fullscreen) { sdl_grab_end(scon); } break; case SDL_WINDOWEVENT_RESTORED: update_displaychangelistener(dcl, GUI_REFRESH_INTERVAL_DEFAULT); break; case SDL_WINDOWEVENT_MINIMIZED: update_displaychangelistener(dcl, 500); break; case SDL_WINDOWEVENT_CLOSE: if (!no_quit) { no_shutdown = 0; qemu_system_shutdown_request(); } break; } } static void sdl_refresh(DisplayChangeListener *dcl) { struct sdl2_state *scon = container_of(dcl, struct sdl2_state, dcl); SDL_Event ev1, *ev = &ev1; if (scon->last_vm_running != runstate_is_running()) { scon->last_vm_running = runstate_is_running(); sdl_update_caption(scon); } graphic_hw_update(dcl->con); while (SDL_PollEvent(ev)) { switch (ev->type) { case SDL_KEYDOWN: handle_keydown(ev); break; case SDL_KEYUP: handle_keyup(ev); break; case SDL_TEXTINPUT: handle_textinput(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_MOUSEWHEEL: handle_mousewheel(ev); break; case SDL_WINDOWEVENT: handle_windowevent(dcl, ev); break; default: break; } } } static void sdl_mouse_warp(DisplayChangeListener *dcl, int x, int y, int on) { struct sdl2_state *scon = container_of(dcl, struct sdl2_state, dcl); 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_WarpMouseInWindow(scon->real_window, 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) { if (guest_sprite) { SDL_FreeCursor(guest_sprite); } if (guest_sprite_surface) { SDL_FreeSurface(guest_sprite_surface); } guest_sprite_surface = SDL_CreateRGBSurfaceFrom(c->data, c->width, c->height, 32, c->width * 4, 0xff0000, 0x00ff00, 0xff, 0xff000000); if (!guest_sprite_surface) { fprintf(stderr, "Failed to make rgb surface from %p\n", c); return; } guest_sprite = SDL_CreateColorCursor(guest_sprite_surface, c->hot_x, c->hot_y); if (!guest_sprite) { fprintf(stderr, "Failed to make color cursor from %p\n", c); return; } 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; char *filename; int i; if (no_frame) { gui_noframe = 1; } #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 flags = SDL_INIT_VIDEO | SDL_INIT_NOPARACHUTE; if (SDL_Init(flags)) { fprintf(stderr, "Could not initialize SDL(%s) - exiting\n", SDL_GetError()); exit(1); } for (i = 0;; i++) { QemuConsole *con = qemu_console_lookup_by_index(i); if (!con) { break; } } sdl2_num_outputs = i; sdl2_console = g_new0(struct sdl2_state, sdl2_num_outputs); for (i = 0; i < sdl2_num_outputs; i++) { QemuConsole *con = qemu_console_lookup_by_index(i); if (!qemu_console_is_graphic(con)) { sdl2_console[i].hidden = true; } sdl2_console[i].dcl.ops = &dcl_ops; sdl2_console[i].dcl.con = con; register_displaychangelistener(&sdl2_console[i].dcl); sdl2_console[i].idx = i; } /* 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_TRUE, colorkey); SDL_SetWindowIcon(sdl2_console[0].real_window, image); } g_free(filename); } if (full_screen) { gui_fullscreen = 1; sdl_grab_start(0); } mouse_mode_notifier.notify = sdl_mouse_mode_change; qemu_add_mouse_mode_change_notifier(&mouse_mode_notifier); gui_grab = 0; sdl_cursor_hidden = SDL_CreateCursor(&data, &data, 8, 1, 0, 0); sdl_cursor_normal = SDL_GetCursor(); atexit(sdl_cleanup); } #endif