From 3f2546b2ef55b661fd8dd69682b38992225e86f6 Mon Sep 17 00:00:00 2001 From: fishsoupisgood Date: Mon, 29 Apr 2019 01:17:54 +0100 Subject: Initial import of qemu-2.4.1 --- ui/sdl.c | 1003 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 1003 insertions(+) create mode 100644 ui/sdl.c (limited to 'ui/sdl.c') diff --git a/ui/sdl.c b/ui/sdl.c new file mode 100644 index 00000000..3be29101 --- /dev/null +++ b/ui/sdl.c @@ -0,0 +1,1003 @@ +/* + * 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 +#include + +#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; + +#if 0 +#define DEBUG_SDL +#endif + +static void sdl_update(DisplayChangeListener *dcl, + int x, int y, int w, int h) +{ + SDL_Rect rec; + rec.x = x; + rec.y = y; + rec.w = w; + rec.h = h; + +#ifdef DEBUG_SDL + printf("SDL: Updating x=%d y=%d w=%d h=%d (scaling: %d)\n", + x, y, w, h, scaling_active); +#endif + + 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; + +#ifdef DEBUG_SDL + printf("SDL: Resizing to %dx%d bpp %d\n", width, height, bpp); +#endif + + 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; + + /* temporary hack: allows to call sdl_switch to handle scaling changes */ + if (new_surface) { + surface = new_surface; + } + pf = qemu_pixelformat_from_pixman(surface->format); + + 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); + } + +#ifdef DEBUG_SDL + printf("SDL: Creating surface with masks: %08x %08x %08x %08x\n", + pf.rmask, pf.gmask, pf.bmask, pf.amask); +#endif + + 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); +} + +static bool sdl_check_format(DisplayChangeListener *dcl, + pixman_format_code_t format) +{ + /* + * We let SDL convert for us a few more formats than, + * the native ones. Thes are the ones I have tested. + */ + return (format == PIXMAN_x8r8g8b8 || + format == PIXMAN_b8g8r8x8 || + format == PIXMAN_x1r5g5b5 || + format == PIXMAN_r5g6b5); +} + +/* 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 + +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; + +#ifdef DEBUG_SDL + printf("SDL: Scaling to %dx%d bpp %d\n", width, height, bpp); +#endif + + 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_gfx_check_format = sdl_check_format, + .dpy_refresh = sdl_refresh, + .dpy_mouse_set = sdl_mouse_warp, + .dpy_cursor_define = sdl_mouse_define, +}; + +void sdl_display_early_init(int opengl) +{ + if (opengl == 1 /* on */) { + fprintf(stderr, + "SDL1 display code has no opengl support.\n" + "Please recompile qemu with SDL2, using\n" + "./configure --enable-sdl --with-sdlabi=2.0\n"); + } +} + +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); +} -- cgit v1.2.3