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-rw-r--r--ui/sdl.c879
1 files changed, 879 insertions, 0 deletions
diff --git a/ui/sdl.c b/ui/sdl.c
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index 0000000000..0072680f4c
--- /dev/null
+++ b/ui/sdl.c
@@ -0,0 +1,879 @@
+/*
+ * 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"
+#include "sdl_zoom.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 = NULL;
+static uint8_t allocator;
+static SDL_PixelFormat host_format;
+static int scaling_active = 0;
+static Notifier mouse_mode_notifier;
+
+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);
+ 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 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|SDL_RESIZABLE;
+ 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 (%dx%dx%d): %s\n", width,
+ height, bpp, SDL_GetError());
+ exit(1);
+ }
+}
+
+static void sdl_resize(DisplayState *ds)
+{
+ if (!allocator) {
+ if (!scaling_active)
+ do_sdl_resize(ds_get_width(ds), ds_get_height(ds), 0);
+ else if (real_screen->format->BitsPerPixel != ds_get_bits_per_pixel(ds))
+ do_sdl_resize(real_screen->w, real_screen->h, ds_get_bits_per_pixel(ds));
+ 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 (scaling_active) {
+ if (host_format.BytesPerPixel != 2 && host_format.BytesPerPixel != 4) {
+ surface->linesize = width * 4;
+ surface->pf = qemu_default_pixelformat(32);
+ } else {
+ surface->linesize = width * host_format.BytesPerPixel;
+ surface->pf = sdl_to_qemu_pixelformat(&host_format);
+ }
+#ifdef HOST_WORDS_BIGENDIAN
+ surface->flags = QEMU_ALLOCATED_FLAG | QEMU_BIG_ENDIAN_FLAG;
+#else
+ surface->flags = QEMU_ALLOCATED_FLAG;
+#endif
+ surface->data = (uint8_t*) qemu_mallocz(surface->linesize * surface->height);
+
+ return surface;
+ }
+
+ if (host_format.BitsPerPixel == 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 HOST_WORDS_BIGENDIAN
+ surface->flags = QEMU_REALPIXELS_FLAG | QEMU_BIG_ENDIAN_FLAG;
+#else
+ surface->flags = QEMU_REALPIXELS_FLAG;
+#endif
+ allocator = 1;
+
+ return surface;
+}
+
+static void sdl_free_displaysurface(DisplaySurface *surface)
+{
+ allocator = 0;
+ if (surface == NULL)
+ return;
+
+ if (surface->flags & QEMU_ALLOCATED_FLAG)
+ qemu_free(surface->data);
+ 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) & 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]) {
+ if (i & SCANCODE_GREY)
+ kbd_put_keycode(SCANCODE_EMUL0);
+ kbd_put_keycode(i | SCANCODE_UP);
+ 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 |= SCANCODE_UP;
+ 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 | SCANCODE_UP);
+ return;
+ }
+
+ /* now send the key code */
+ if (keycode & SCANCODE_GREY)
+ kbd_put_keycode(SCANCODE_EMUL0);
+ if (ev->type == SDL_KEYUP)
+ kbd_put_keycode(keycode | SCANCODE_UP);
+ else
+ kbd_put_keycode(keycode & SCANCODE_KEYCODEMASK);
+}
+
+static void sdl_update_caption(void)
+{
+ char win_title[1024];
+ char icon_title[1024];
+ const char *status = "";
+
+ if (!vm_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 (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_mouse_mode_change(Notifier *notify)
+{
+ if (kbd_mouse_is_absolute()) {
+ if (!absolute_enabled) {
+ sdl_hide_cursor();
+ if (gui_grab) {
+ sdl_grab_end();
+ }
+ absolute_enabled = 1;
+ }
+ } else if (absolute_enabled) {
+ sdl_show_cursor();
+ absolute_enabled = 0;
+ }
+}
+
+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()) {
+ dx = x * 0x7FFF / (width - 1);
+ dy = y * 0x7FFF / (height - 1);
+ } 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) {
+ scaling_active = 0;
+ 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 | 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) {
+ 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 0x16: /* 'u' key on US keyboard */
+ scaling_active = 0;
+ sdl_resize(ds);
+ vga_hw_invalidate();
+ vga_hw_update();
+ 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;
+ case SDL_VIDEORESIZE:
+ {
+ SDL_ResizeEvent *rev = &ev->resize;
+ int bpp = real_screen->format->BitsPerPixel;
+ if (bpp != 16 && bpp != 32)
+ bpp = 32;
+ do_sdl_resize(rev->w, rev->h, bpp);
+ scaling_active = 1;
+ if (!is_buffer_shared(ds->surface)) {
+ ds->surface = qemu_resize_displaysurface(ds, ds_get_width(ds), ds_get_height(ds));
+ dpy_resize(ds);
+ }
+ vga_hw_invalidate();
+ vga_hw_update();
+ 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(QEMUCursor *c)
+{
+ uint8_t *image, *mask;
+ int bpl;
+
+ if (guest_sprite)
+ SDL_FreeCursor(guest_sprite);
+
+ bpl = cursor_get_mono_bpl(c);
+ image = qemu_mallocz(bpl * c->height);
+ mask = qemu_mallocz(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);
+ qemu_free(image);
+ qemu_free(mask);
+
+ 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_QuitSubSystem(SDL_INIT_VIDEO);
+}
+
+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;
+
+ if (!full_screen) {
+ setenv("SDL_VIDEO_ALLOW_SCREENSAVER", "1", 0);
+ }
+
+ 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);
+
+ 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) {
+ dpy_resize(ds);
+ }
+
+ 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);
+ if (full_screen) {
+ gui_fullscreen = 1;
+ gui_fullscreen_initial_grab = 1;
+ sdl_grab_start();
+ }
+}