--- /dev/null
+/*
+ * 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>
+#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;
+
+#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 <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;
+
+#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);
+}
Code Review / kvmfornfv.git / blobdiff