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/*
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* QEMU SDL display driver
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*
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* Copyright (c) 2003 Fabrice Bellard
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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/* Avoid compiler warning because macro is redefined in SDL_syswm.h. */
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#undef WIN32_LEAN_AND_MEAN
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#include <SDL.h> |
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#include <SDL_syswm.h> |
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#include "qemu-common.h" |
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#include "ui/console.h" |
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#include "sysemu/sysemu.h" |
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#include "x_keymap.h" |
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#include "sdl_zoom.h" |
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static DisplayChangeListener *dcl;
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static DisplaySurface *surface;
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static SDL_Surface *real_screen;
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static SDL_Surface *guest_screen = NULL; |
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static int gui_grab; /* if true, all keyboard/mouse events are grabbed */ |
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static int last_vm_running; |
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static bool gui_saved_scaling; |
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static int gui_saved_width; |
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static int gui_saved_height; |
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static int gui_saved_grab; |
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static int gui_fullscreen; |
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static int gui_noframe; |
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static int gui_key_modifier_pressed; |
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static int gui_keysym; |
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static int gui_grab_code = KMOD_LALT | KMOD_LCTRL; |
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static uint8_t modifiers_state[256]; |
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static SDL_Cursor *sdl_cursor_normal;
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static SDL_Cursor *sdl_cursor_hidden;
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static int absolute_enabled = 0; |
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static int guest_cursor = 0; |
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static int guest_x, guest_y; |
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static SDL_Cursor *guest_sprite = NULL; |
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static SDL_PixelFormat host_format;
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static int scaling_active = 0; |
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static Notifier mouse_mode_notifier;
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static void sdl_update(DisplayChangeListener *dcl, |
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int x, int y, int w, int h) |
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{ |
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// printf("updating x=%d y=%d w=%d h=%d\n", x, y, w, h);
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SDL_Rect rec; |
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rec.x = x; |
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rec.y = y; |
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rec.w = w; |
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rec.h = h; |
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if (guest_screen) {
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if (!scaling_active) {
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SDL_BlitSurface(guest_screen, &rec, real_screen, &rec); |
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} else {
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if (sdl_zoom_blit(guest_screen, real_screen, SMOOTHING_ON, &rec) < 0) { |
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fprintf(stderr, "Zoom blit failed\n");
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exit(1);
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} |
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} |
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} |
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SDL_UpdateRect(real_screen, rec.x, rec.y, rec.w, rec.h); |
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} |
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static void do_sdl_resize(int width, int height, int bpp) |
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{ |
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int flags;
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// printf("resizing to %d %d\n", w, h);
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flags = SDL_HWSURFACE | SDL_ASYNCBLIT | SDL_HWACCEL; |
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if (gui_fullscreen) {
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flags |= SDL_FULLSCREEN; |
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} else {
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flags |= SDL_RESIZABLE; |
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} |
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if (gui_noframe)
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flags |= SDL_NOFRAME; |
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real_screen = SDL_SetVideoMode(width, height, bpp, flags); |
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if (!real_screen) {
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fprintf(stderr, "Could not open SDL display (%dx%dx%d): %s\n", width,
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height, bpp, SDL_GetError()); |
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exit(1);
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} |
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} |
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static void sdl_switch(DisplayChangeListener *dcl, |
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DisplaySurface *new_surface) |
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{ |
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/* temporary hack: allows to call sdl_switch to handle scaling changes */
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if (new_surface) {
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surface = new_surface; |
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} |
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if (!scaling_active) {
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do_sdl_resize(surface_width(surface), surface_height(surface), 0);
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} else if (real_screen->format->BitsPerPixel != |
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surface_bits_per_pixel(surface)) { |
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do_sdl_resize(real_screen->w, real_screen->h, |
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surface_bits_per_pixel(surface)); |
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} |
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if (guest_screen != NULL) { |
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SDL_FreeSurface(guest_screen); |
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} |
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guest_screen = SDL_CreateRGBSurfaceFrom |
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(surface_data(surface), |
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surface_width(surface), surface_height(surface), |
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surface_bits_per_pixel(surface), surface_stride(surface), |
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surface->pf.rmask, surface->pf.gmask, |
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surface->pf.bmask, surface->pf.amask); |
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} |
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/* generic keyboard conversion */
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#include "sdl_keysym.h" |
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static kbd_layout_t *kbd_layout = NULL; |
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static uint8_t sdl_keyevent_to_keycode_generic(const SDL_KeyboardEvent *ev) |
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{ |
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int keysym;
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/* workaround for X11+SDL bug with AltGR */
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keysym = ev->keysym.sym; |
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if (keysym == 0 && ev->keysym.scancode == 113) |
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keysym = SDLK_MODE; |
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/* For Japanese key '\' and '|' */
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if (keysym == 92 && ev->keysym.scancode == 133) { |
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keysym = 0xa5;
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} |
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return keysym2scancode(kbd_layout, keysym) & SCANCODE_KEYMASK;
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} |
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/* specific keyboard conversions from scan codes */
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#if defined(_WIN32)
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static uint8_t sdl_keyevent_to_keycode(const SDL_KeyboardEvent *ev) |
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{ |
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return ev->keysym.scancode;
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} |
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#else
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#if defined(SDL_VIDEO_DRIVER_X11)
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#include <X11/XKBlib.h> |
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static int check_for_evdev(void) |
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{ |
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SDL_SysWMinfo info; |
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XkbDescPtr desc = NULL;
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int has_evdev = 0; |
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char *keycodes = NULL; |
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SDL_VERSION(&info.version); |
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if (!SDL_GetWMInfo(&info)) {
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return 0; |
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} |
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desc = XkbGetKeyboard(info.info.x11.display, |
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XkbGBN_AllComponentsMask, |
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XkbUseCoreKbd); |
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if (desc && desc->names) {
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keycodes = XGetAtomName(info.info.x11.display, desc->names->keycodes); |
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if (keycodes == NULL) { |
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fprintf(stderr, "could not lookup keycode name\n");
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} else if (strstart(keycodes, "evdev", NULL)) { |
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has_evdev = 1;
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} else if (!strstart(keycodes, "xfree86", NULL)) { |
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fprintf(stderr, "unknown keycodes `%s', please report to "
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"qemu-devel@nongnu.org\n", keycodes);
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} |
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} |
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if (desc) {
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XkbFreeKeyboard(desc, XkbGBN_AllComponentsMask, True); |
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} |
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if (keycodes) {
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XFree(keycodes); |
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} |
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return has_evdev;
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} |
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#else
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static int check_for_evdev(void) |
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{ |
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return 0; |
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} |
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#endif
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static uint8_t sdl_keyevent_to_keycode(const SDL_KeyboardEvent *ev) |
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{ |
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int keycode;
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static int has_evdev = -1; |
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if (has_evdev == -1) |
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has_evdev = check_for_evdev(); |
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keycode = ev->keysym.scancode; |
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if (keycode < 9) { |
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keycode = 0;
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} else if (keycode < 97) { |
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keycode -= 8; /* just an offset */ |
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} else if (keycode < 158) { |
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/* use conversion table */
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if (has_evdev)
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keycode = translate_evdev_keycode(keycode - 97);
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else
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keycode = translate_xfree86_keycode(keycode - 97);
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} else if (keycode == 208) { /* Hiragana_Katakana */ |
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keycode = 0x70;
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} else if (keycode == 211) { /* backslash */ |
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keycode = 0x73;
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} else {
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keycode = 0;
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} |
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return keycode;
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} |
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#endif
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static void reset_keys(void) |
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{ |
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int i;
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for(i = 0; i < 256; i++) { |
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if (modifiers_state[i]) {
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if (i & SCANCODE_GREY)
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kbd_put_keycode(SCANCODE_EMUL0); |
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kbd_put_keycode(i | SCANCODE_UP); |
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modifiers_state[i] = 0;
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} |
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} |
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} |
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static void sdl_process_key(SDL_KeyboardEvent *ev) |
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{ |
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int keycode, v;
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if (ev->keysym.sym == SDLK_PAUSE) {
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/* specific case */
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v = 0;
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if (ev->type == SDL_KEYUP)
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v |= SCANCODE_UP; |
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kbd_put_keycode(0xe1);
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kbd_put_keycode(0x1d | v);
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kbd_put_keycode(0x45 | v);
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return;
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} |
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if (kbd_layout) {
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keycode = sdl_keyevent_to_keycode_generic(ev); |
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} else {
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keycode = sdl_keyevent_to_keycode(ev); |
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} |
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switch(keycode) {
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case 0x00: |
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/* sent when leaving window: reset the modifiers state */
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reset_keys(); |
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return;
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case 0x2a: /* Left Shift */ |
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case 0x36: /* Right Shift */ |
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case 0x1d: /* Left CTRL */ |
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case 0x9d: /* Right CTRL */ |
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case 0x38: /* Left ALT */ |
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case 0xb8: /* Right ALT */ |
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if (ev->type == SDL_KEYUP)
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modifiers_state[keycode] = 0;
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else
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modifiers_state[keycode] = 1;
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break;
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#define QEMU_SDL_VERSION ((SDL_MAJOR_VERSION << 8) + SDL_MINOR_VERSION) |
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#if QEMU_SDL_VERSION < 0x102 || QEMU_SDL_VERSION == 0x102 && SDL_PATCHLEVEL < 14 |
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/* SDL versions before 1.2.14 don't support key up for caps/num lock. */
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case 0x45: /* num lock */ |
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case 0x3a: /* caps lock */ |
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/* SDL does not send the key up event, so we generate it */
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kbd_put_keycode(keycode); |
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kbd_put_keycode(keycode | SCANCODE_UP); |
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return;
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#endif
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} |
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/* now send the key code */
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if (keycode & SCANCODE_GREY)
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kbd_put_keycode(SCANCODE_EMUL0); |
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if (ev->type == SDL_KEYUP)
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kbd_put_keycode(keycode | SCANCODE_UP); |
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else
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kbd_put_keycode(keycode & SCANCODE_KEYCODEMASK); |
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} |
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static void sdl_update_caption(void) |
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{ |
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char win_title[1024]; |
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char icon_title[1024]; |
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const char *status = ""; |
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if (!runstate_is_running())
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status = " [Stopped]";
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else if (gui_grab) { |
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if (alt_grab)
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status = " - Press Ctrl-Alt-Shift to exit mouse grab";
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else if (ctrl_grab) |
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status = " - Press Right-Ctrl to exit mouse grab";
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else
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status = " - Press Ctrl-Alt to exit mouse grab";
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} |
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if (qemu_name) {
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snprintf(win_title, sizeof(win_title), "QEMU (%s)%s", qemu_name, status); |
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snprintf(icon_title, sizeof(icon_title), "QEMU (%s)", qemu_name); |
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} else {
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snprintf(win_title, sizeof(win_title), "QEMU%s", status); |
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snprintf(icon_title, sizeof(icon_title), "QEMU"); |
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} |
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SDL_WM_SetCaption(win_title, icon_title); |
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} |
342 |
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static void sdl_hide_cursor(void) |
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{ |
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if (!cursor_hide)
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return;
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if (kbd_mouse_is_absolute()) {
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SDL_ShowCursor(1);
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SDL_SetCursor(sdl_cursor_hidden); |
351 |
} else {
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SDL_ShowCursor(0);
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} |
354 |
} |
355 |
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static void sdl_show_cursor(void) |
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{ |
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if (!cursor_hide)
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return;
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if (!kbd_mouse_is_absolute() || !qemu_console_is_graphic(NULL)) { |
362 |
SDL_ShowCursor(1);
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if (guest_cursor &&
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(gui_grab || kbd_mouse_is_absolute() || absolute_enabled)) |
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SDL_SetCursor(guest_sprite); |
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else
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SDL_SetCursor(sdl_cursor_normal); |
368 |
} |
369 |
} |
370 |
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static void sdl_grab_start(void) |
372 |
{ |
373 |
/*
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* If the application is not active, do not try to enter grab state. This
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375 |
* prevents 'SDL_WM_GrabInput(SDL_GRAB_ON)' from blocking all the
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* application (SDL bug).
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*/
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378 |
if (!(SDL_GetAppState() & SDL_APPINPUTFOCUS)) {
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return;
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} |
381 |
if (guest_cursor) {
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382 |
SDL_SetCursor(guest_sprite); |
383 |
if (!kbd_mouse_is_absolute() && !absolute_enabled)
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384 |
SDL_WarpMouse(guest_x, guest_y); |
385 |
} else
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386 |
sdl_hide_cursor(); |
387 |
SDL_WM_GrabInput(SDL_GRAB_ON); |
388 |
gui_grab = 1;
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sdl_update_caption(); |
390 |
} |
391 |
|
392 |
static void sdl_grab_end(void) |
393 |
{ |
394 |
SDL_WM_GrabInput(SDL_GRAB_OFF); |
395 |
gui_grab = 0;
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sdl_show_cursor(); |
397 |
sdl_update_caption(); |
398 |
} |
399 |
|
400 |
static void absolute_mouse_grab(void) |
401 |
{ |
402 |
int mouse_x, mouse_y;
|
403 |
|
404 |
SDL_GetMouseState(&mouse_x, &mouse_y); |
405 |
if (mouse_x > 0 && mouse_x < real_screen->w - 1 && |
406 |
mouse_y > 0 && mouse_y < real_screen->h - 1) { |
407 |
sdl_grab_start(); |
408 |
} |
409 |
} |
410 |
|
411 |
static void sdl_mouse_mode_change(Notifier *notify, void *data) |
412 |
{ |
413 |
if (kbd_mouse_is_absolute()) {
|
414 |
if (!absolute_enabled) {
|
415 |
absolute_enabled = 1;
|
416 |
if (qemu_console_is_graphic(NULL)) { |
417 |
absolute_mouse_grab(); |
418 |
} |
419 |
} |
420 |
} else if (absolute_enabled) { |
421 |
if (!gui_fullscreen) {
|
422 |
sdl_grab_end(); |
423 |
} |
424 |
absolute_enabled = 0;
|
425 |
} |
426 |
} |
427 |
|
428 |
static void sdl_send_mouse_event(int dx, int dy, int dz, int x, int y, int state) |
429 |
{ |
430 |
int buttons = 0; |
431 |
|
432 |
if (state & SDL_BUTTON(SDL_BUTTON_LEFT)) {
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433 |
buttons |= MOUSE_EVENT_LBUTTON; |
434 |
} |
435 |
if (state & SDL_BUTTON(SDL_BUTTON_RIGHT)) {
|
436 |
buttons |= MOUSE_EVENT_RBUTTON; |
437 |
} |
438 |
if (state & SDL_BUTTON(SDL_BUTTON_MIDDLE)) {
|
439 |
buttons |= MOUSE_EVENT_MBUTTON; |
440 |
} |
441 |
|
442 |
if (kbd_mouse_is_absolute()) {
|
443 |
dx = x * 0x7FFF / (real_screen->w - 1); |
444 |
dy = y * 0x7FFF / (real_screen->h - 1); |
445 |
} else if (guest_cursor) { |
446 |
x -= guest_x; |
447 |
y -= guest_y; |
448 |
guest_x += x; |
449 |
guest_y += y; |
450 |
dx = x; |
451 |
dy = y; |
452 |
} |
453 |
|
454 |
kbd_mouse_event(dx, dy, dz, buttons); |
455 |
} |
456 |
|
457 |
static void sdl_scale(int width, int height) |
458 |
{ |
459 |
int bpp = real_screen->format->BitsPerPixel;
|
460 |
|
461 |
if (bpp != 16 && bpp != 32) { |
462 |
bpp = 32;
|
463 |
} |
464 |
do_sdl_resize(width, height, bpp); |
465 |
scaling_active = 1;
|
466 |
} |
467 |
|
468 |
static void toggle_full_screen(void) |
469 |
{ |
470 |
int width = surface_width(surface);
|
471 |
int height = surface_height(surface);
|
472 |
int bpp = surface_bits_per_pixel(surface);
|
473 |
|
474 |
gui_fullscreen = !gui_fullscreen; |
475 |
if (gui_fullscreen) {
|
476 |
gui_saved_width = real_screen->w; |
477 |
gui_saved_height = real_screen->h; |
478 |
gui_saved_scaling = scaling_active; |
479 |
|
480 |
do_sdl_resize(width, height, bpp); |
481 |
scaling_active = 0;
|
482 |
|
483 |
gui_saved_grab = gui_grab; |
484 |
sdl_grab_start(); |
485 |
} else {
|
486 |
if (gui_saved_scaling) {
|
487 |
sdl_scale(gui_saved_width, gui_saved_height); |
488 |
} else {
|
489 |
do_sdl_resize(width, height, 0);
|
490 |
} |
491 |
if (!gui_saved_grab || !qemu_console_is_graphic(NULL)) { |
492 |
sdl_grab_end(); |
493 |
} |
494 |
} |
495 |
graphic_hw_invalidate(NULL);
|
496 |
graphic_hw_update(NULL);
|
497 |
} |
498 |
|
499 |
static void handle_keydown(SDL_Event *ev) |
500 |
{ |
501 |
int mod_state;
|
502 |
int keycode;
|
503 |
|
504 |
if (alt_grab) {
|
505 |
mod_state = (SDL_GetModState() & (gui_grab_code | KMOD_LSHIFT)) == |
506 |
(gui_grab_code | KMOD_LSHIFT); |
507 |
} else if (ctrl_grab) { |
508 |
mod_state = (SDL_GetModState() & KMOD_RCTRL) == KMOD_RCTRL; |
509 |
} else {
|
510 |
mod_state = (SDL_GetModState() & gui_grab_code) == gui_grab_code; |
511 |
} |
512 |
gui_key_modifier_pressed = mod_state; |
513 |
|
514 |
if (gui_key_modifier_pressed) {
|
515 |
keycode = sdl_keyevent_to_keycode(&ev->key); |
516 |
switch (keycode) {
|
517 |
case 0x21: /* 'f' key on US keyboard */ |
518 |
toggle_full_screen(); |
519 |
gui_keysym = 1;
|
520 |
break;
|
521 |
case 0x16: /* 'u' key on US keyboard */ |
522 |
if (scaling_active) {
|
523 |
scaling_active = 0;
|
524 |
sdl_switch(dcl, NULL);
|
525 |
graphic_hw_invalidate(NULL);
|
526 |
graphic_hw_update(NULL);
|
527 |
} |
528 |
gui_keysym = 1;
|
529 |
break;
|
530 |
case 0x02 ... 0x0a: /* '1' to '9' keys */ |
531 |
/* Reset the modifiers sent to the current console */
|
532 |
reset_keys(); |
533 |
console_select(keycode - 0x02);
|
534 |
gui_keysym = 1;
|
535 |
if (gui_fullscreen) {
|
536 |
break;
|
537 |
} |
538 |
if (!qemu_console_is_graphic(NULL)) { |
539 |
/* release grab if going to a text console */
|
540 |
if (gui_grab) {
|
541 |
sdl_grab_end(); |
542 |
} else if (absolute_enabled) { |
543 |
sdl_show_cursor(); |
544 |
} |
545 |
} else if (absolute_enabled) { |
546 |
sdl_hide_cursor(); |
547 |
absolute_mouse_grab(); |
548 |
} |
549 |
break;
|
550 |
case 0x1b: /* '+' */ |
551 |
case 0x35: /* '-' */ |
552 |
if (!gui_fullscreen) {
|
553 |
int width = MAX(real_screen->w + (keycode == 0x1b ? 50 : -50), |
554 |
160);
|
555 |
int height = (surface_height(surface) * width) /
|
556 |
surface_width(surface); |
557 |
|
558 |
sdl_scale(width, height); |
559 |
graphic_hw_invalidate(NULL);
|
560 |
graphic_hw_update(NULL);
|
561 |
gui_keysym = 1;
|
562 |
} |
563 |
default:
|
564 |
break;
|
565 |
} |
566 |
} else if (!qemu_console_is_graphic(NULL)) { |
567 |
int keysym = 0; |
568 |
|
569 |
if (ev->key.keysym.mod & (KMOD_LCTRL | KMOD_RCTRL)) {
|
570 |
switch (ev->key.keysym.sym) {
|
571 |
case SDLK_UP:
|
572 |
keysym = QEMU_KEY_CTRL_UP; |
573 |
break;
|
574 |
case SDLK_DOWN:
|
575 |
keysym = QEMU_KEY_CTRL_DOWN; |
576 |
break;
|
577 |
case SDLK_LEFT:
|
578 |
keysym = QEMU_KEY_CTRL_LEFT; |
579 |
break;
|
580 |
case SDLK_RIGHT:
|
581 |
keysym = QEMU_KEY_CTRL_RIGHT; |
582 |
break;
|
583 |
case SDLK_HOME:
|
584 |
keysym = QEMU_KEY_CTRL_HOME; |
585 |
break;
|
586 |
case SDLK_END:
|
587 |
keysym = QEMU_KEY_CTRL_END; |
588 |
break;
|
589 |
case SDLK_PAGEUP:
|
590 |
keysym = QEMU_KEY_CTRL_PAGEUP; |
591 |
break;
|
592 |
case SDLK_PAGEDOWN:
|
593 |
keysym = QEMU_KEY_CTRL_PAGEDOWN; |
594 |
break;
|
595 |
default:
|
596 |
break;
|
597 |
} |
598 |
} else {
|
599 |
switch (ev->key.keysym.sym) {
|
600 |
case SDLK_UP:
|
601 |
keysym = QEMU_KEY_UP; |
602 |
break;
|
603 |
case SDLK_DOWN:
|
604 |
keysym = QEMU_KEY_DOWN; |
605 |
break;
|
606 |
case SDLK_LEFT:
|
607 |
keysym = QEMU_KEY_LEFT; |
608 |
break;
|
609 |
case SDLK_RIGHT:
|
610 |
keysym = QEMU_KEY_RIGHT; |
611 |
break;
|
612 |
case SDLK_HOME:
|
613 |
keysym = QEMU_KEY_HOME; |
614 |
break;
|
615 |
case SDLK_END:
|
616 |
keysym = QEMU_KEY_END; |
617 |
break;
|
618 |
case SDLK_PAGEUP:
|
619 |
keysym = QEMU_KEY_PAGEUP; |
620 |
break;
|
621 |
case SDLK_PAGEDOWN:
|
622 |
keysym = QEMU_KEY_PAGEDOWN; |
623 |
break;
|
624 |
case SDLK_BACKSPACE:
|
625 |
keysym = QEMU_KEY_BACKSPACE; |
626 |
break;
|
627 |
case SDLK_DELETE:
|
628 |
keysym = QEMU_KEY_DELETE; |
629 |
break;
|
630 |
default:
|
631 |
break;
|
632 |
} |
633 |
} |
634 |
if (keysym) {
|
635 |
kbd_put_keysym(keysym); |
636 |
} else if (ev->key.keysym.unicode != 0) { |
637 |
kbd_put_keysym(ev->key.keysym.unicode); |
638 |
} |
639 |
} |
640 |
if (qemu_console_is_graphic(NULL) && !gui_keysym) { |
641 |
sdl_process_key(&ev->key); |
642 |
} |
643 |
} |
644 |
|
645 |
static void handle_keyup(SDL_Event *ev) |
646 |
{ |
647 |
int mod_state;
|
648 |
|
649 |
if (!alt_grab) {
|
650 |
mod_state = (ev->key.keysym.mod & gui_grab_code); |
651 |
} else {
|
652 |
mod_state = (ev->key.keysym.mod & (gui_grab_code | KMOD_LSHIFT)); |
653 |
} |
654 |
if (!mod_state && gui_key_modifier_pressed) {
|
655 |
gui_key_modifier_pressed = 0;
|
656 |
if (gui_keysym == 0) { |
657 |
/* exit/enter grab if pressing Ctrl-Alt */
|
658 |
if (!gui_grab) {
|
659 |
if (qemu_console_is_graphic(NULL)) { |
660 |
sdl_grab_start(); |
661 |
} |
662 |
} else if (!gui_fullscreen) { |
663 |
sdl_grab_end(); |
664 |
} |
665 |
/* SDL does not send back all the modifiers key, so we must
|
666 |
* correct it. */
|
667 |
reset_keys(); |
668 |
return;
|
669 |
} |
670 |
gui_keysym = 0;
|
671 |
} |
672 |
if (qemu_console_is_graphic(NULL) && !gui_keysym) { |
673 |
sdl_process_key(&ev->key); |
674 |
} |
675 |
} |
676 |
|
677 |
static void handle_mousemotion(SDL_Event *ev) |
678 |
{ |
679 |
int max_x, max_y;
|
680 |
|
681 |
if (qemu_console_is_graphic(NULL) && |
682 |
(kbd_mouse_is_absolute() || absolute_enabled)) { |
683 |
max_x = real_screen->w - 1;
|
684 |
max_y = real_screen->h - 1;
|
685 |
if (gui_grab && (ev->motion.x == 0 || ev->motion.y == 0 || |
686 |
ev->motion.x == max_x || ev->motion.y == max_y)) { |
687 |
sdl_grab_end(); |
688 |
} |
689 |
if (!gui_grab &&
|
690 |
(ev->motion.x > 0 && ev->motion.x < max_x &&
|
691 |
ev->motion.y > 0 && ev->motion.y < max_y)) {
|
692 |
sdl_grab_start(); |
693 |
} |
694 |
} |
695 |
if (gui_grab || kbd_mouse_is_absolute() || absolute_enabled) {
|
696 |
sdl_send_mouse_event(ev->motion.xrel, ev->motion.yrel, 0,
|
697 |
ev->motion.x, ev->motion.y, ev->motion.state); |
698 |
} |
699 |
} |
700 |
|
701 |
static void handle_mousebutton(SDL_Event *ev) |
702 |
{ |
703 |
int buttonstate = SDL_GetMouseState(NULL, NULL); |
704 |
SDL_MouseButtonEvent *bev; |
705 |
int dz;
|
706 |
|
707 |
if (!qemu_console_is_graphic(NULL)) { |
708 |
return;
|
709 |
} |
710 |
|
711 |
bev = &ev->button; |
712 |
if (!gui_grab && !kbd_mouse_is_absolute()) {
|
713 |
if (ev->type == SDL_MOUSEBUTTONUP && bev->button == SDL_BUTTON_LEFT) {
|
714 |
/* start grabbing all events */
|
715 |
sdl_grab_start(); |
716 |
} |
717 |
} else {
|
718 |
dz = 0;
|
719 |
if (ev->type == SDL_MOUSEBUTTONDOWN) {
|
720 |
buttonstate |= SDL_BUTTON(bev->button); |
721 |
} else {
|
722 |
buttonstate &= ~SDL_BUTTON(bev->button); |
723 |
} |
724 |
#ifdef SDL_BUTTON_WHEELUP
|
725 |
if (bev->button == SDL_BUTTON_WHEELUP &&
|
726 |
ev->type == SDL_MOUSEBUTTONDOWN) { |
727 |
dz = -1;
|
728 |
} else if (bev->button == SDL_BUTTON_WHEELDOWN && |
729 |
ev->type == SDL_MOUSEBUTTONDOWN) { |
730 |
dz = 1;
|
731 |
} |
732 |
#endif
|
733 |
sdl_send_mouse_event(0, 0, dz, bev->x, bev->y, buttonstate); |
734 |
} |
735 |
} |
736 |
|
737 |
static void handle_activation(SDL_Event *ev) |
738 |
{ |
739 |
#ifdef _WIN32
|
740 |
/* Disable grab if the window no longer has the focus
|
741 |
* (Windows-only workaround) */
|
742 |
if (gui_grab && ev->active.state == SDL_APPINPUTFOCUS &&
|
743 |
!ev->active.gain && !gui_fullscreen) { |
744 |
sdl_grab_end(); |
745 |
} |
746 |
#endif
|
747 |
if (!gui_grab && ev->active.gain && qemu_console_is_graphic(NULL) && |
748 |
(kbd_mouse_is_absolute() || absolute_enabled)) { |
749 |
absolute_mouse_grab(); |
750 |
} |
751 |
if (ev->active.state & SDL_APPACTIVE) {
|
752 |
if (ev->active.gain) {
|
753 |
/* Back to default interval */
|
754 |
update_displaychangelistener(dcl, GUI_REFRESH_INTERVAL_DEFAULT); |
755 |
} else {
|
756 |
/* Sleeping interval. Not using the long default here as
|
757 |
* sdl_refresh does not only update the guest screen, but
|
758 |
* also checks for gui events. */
|
759 |
update_displaychangelistener(dcl, 500);
|
760 |
} |
761 |
} |
762 |
} |
763 |
|
764 |
static void sdl_refresh(DisplayChangeListener *dcl) |
765 |
{ |
766 |
SDL_Event ev1, *ev = &ev1; |
767 |
|
768 |
if (last_vm_running != runstate_is_running()) {
|
769 |
last_vm_running = runstate_is_running(); |
770 |
sdl_update_caption(); |
771 |
} |
772 |
|
773 |
graphic_hw_update(NULL);
|
774 |
SDL_EnableUNICODE(!qemu_console_is_graphic(NULL));
|
775 |
|
776 |
while (SDL_PollEvent(ev)) {
|
777 |
switch (ev->type) {
|
778 |
case SDL_VIDEOEXPOSE:
|
779 |
sdl_update(dcl, 0, 0, real_screen->w, real_screen->h); |
780 |
break;
|
781 |
case SDL_KEYDOWN:
|
782 |
handle_keydown(ev); |
783 |
break;
|
784 |
case SDL_KEYUP:
|
785 |
handle_keyup(ev); |
786 |
break;
|
787 |
case SDL_QUIT:
|
788 |
if (!no_quit) {
|
789 |
no_shutdown = 0;
|
790 |
qemu_system_shutdown_request(); |
791 |
} |
792 |
break;
|
793 |
case SDL_MOUSEMOTION:
|
794 |
handle_mousemotion(ev); |
795 |
break;
|
796 |
case SDL_MOUSEBUTTONDOWN:
|
797 |
case SDL_MOUSEBUTTONUP:
|
798 |
handle_mousebutton(ev); |
799 |
break;
|
800 |
case SDL_ACTIVEEVENT:
|
801 |
handle_activation(ev); |
802 |
break;
|
803 |
case SDL_VIDEORESIZE:
|
804 |
sdl_scale(ev->resize.w, ev->resize.h); |
805 |
graphic_hw_invalidate(NULL);
|
806 |
graphic_hw_update(NULL);
|
807 |
break;
|
808 |
default:
|
809 |
break;
|
810 |
} |
811 |
} |
812 |
} |
813 |
|
814 |
static void sdl_mouse_warp(DisplayChangeListener *dcl, |
815 |
int x, int y, int on) |
816 |
{ |
817 |
if (on) {
|
818 |
if (!guest_cursor)
|
819 |
sdl_show_cursor(); |
820 |
if (gui_grab || kbd_mouse_is_absolute() || absolute_enabled) {
|
821 |
SDL_SetCursor(guest_sprite); |
822 |
if (!kbd_mouse_is_absolute() && !absolute_enabled)
|
823 |
SDL_WarpMouse(x, y); |
824 |
} |
825 |
} else if (gui_grab) |
826 |
sdl_hide_cursor(); |
827 |
guest_cursor = on; |
828 |
guest_x = x, guest_y = y; |
829 |
} |
830 |
|
831 |
static void sdl_mouse_define(DisplayChangeListener *dcl, |
832 |
QEMUCursor *c) |
833 |
{ |
834 |
uint8_t *image, *mask; |
835 |
int bpl;
|
836 |
|
837 |
if (guest_sprite)
|
838 |
SDL_FreeCursor(guest_sprite); |
839 |
|
840 |
bpl = cursor_get_mono_bpl(c); |
841 |
image = g_malloc0(bpl * c->height); |
842 |
mask = g_malloc0(bpl * c->height); |
843 |
cursor_get_mono_image(c, 0x000000, image);
|
844 |
cursor_get_mono_mask(c, 0, mask);
|
845 |
guest_sprite = SDL_CreateCursor(image, mask, c->width, c->height, |
846 |
c->hot_x, c->hot_y); |
847 |
g_free(image); |
848 |
g_free(mask); |
849 |
|
850 |
if (guest_cursor &&
|
851 |
(gui_grab || kbd_mouse_is_absolute() || absolute_enabled)) |
852 |
SDL_SetCursor(guest_sprite); |
853 |
} |
854 |
|
855 |
static void sdl_cleanup(void) |
856 |
{ |
857 |
if (guest_sprite)
|
858 |
SDL_FreeCursor(guest_sprite); |
859 |
SDL_QuitSubSystem(SDL_INIT_VIDEO); |
860 |
} |
861 |
|
862 |
static const DisplayChangeListenerOps dcl_ops = { |
863 |
.dpy_name = "sdl",
|
864 |
.dpy_gfx_update = sdl_update, |
865 |
.dpy_gfx_switch = sdl_switch, |
866 |
.dpy_refresh = sdl_refresh, |
867 |
.dpy_mouse_set = sdl_mouse_warp, |
868 |
.dpy_cursor_define = sdl_mouse_define, |
869 |
}; |
870 |
|
871 |
void sdl_display_init(DisplayState *ds, int full_screen, int no_frame) |
872 |
{ |
873 |
int flags;
|
874 |
uint8_t data = 0;
|
875 |
const SDL_VideoInfo *vi;
|
876 |
char *filename;
|
877 |
|
878 |
#if defined(__APPLE__)
|
879 |
/* always use generic keymaps */
|
880 |
if (!keyboard_layout)
|
881 |
keyboard_layout = "en-us";
|
882 |
#endif
|
883 |
if(keyboard_layout) {
|
884 |
kbd_layout = init_keyboard_layout(name2keysym, keyboard_layout); |
885 |
if (!kbd_layout)
|
886 |
exit(1);
|
887 |
} |
888 |
|
889 |
if (no_frame)
|
890 |
gui_noframe = 1;
|
891 |
|
892 |
if (!full_screen) {
|
893 |
setenv("SDL_VIDEO_ALLOW_SCREENSAVER", "1", 0); |
894 |
} |
895 |
#ifdef __linux__
|
896 |
/* on Linux, SDL may use fbcon|directfb|svgalib when run without
|
897 |
* accessible $DISPLAY to open X11 window. This is often the case
|
898 |
* when qemu is run using sudo. But in this case, and when actually
|
899 |
* run in X11 environment, SDL fights with X11 for the video card,
|
900 |
* making current display unavailable, often until reboot.
|
901 |
* So make x11 the default SDL video driver if this variable is unset.
|
902 |
* This is a bit hackish but saves us from bigger problem.
|
903 |
* Maybe it's a good idea to fix this in SDL instead.
|
904 |
*/
|
905 |
setenv("SDL_VIDEODRIVER", "x11", 0); |
906 |
#endif
|
907 |
|
908 |
/* Enable normal up/down events for Caps-Lock and Num-Lock keys.
|
909 |
* This requires SDL >= 1.2.14. */
|
910 |
setenv("SDL_DISABLE_LOCK_KEYS", "1", 1); |
911 |
|
912 |
flags = SDL_INIT_VIDEO | SDL_INIT_NOPARACHUTE; |
913 |
if (SDL_Init (flags)) {
|
914 |
fprintf(stderr, "Could not initialize SDL(%s) - exiting\n",
|
915 |
SDL_GetError()); |
916 |
exit(1);
|
917 |
} |
918 |
vi = SDL_GetVideoInfo(); |
919 |
host_format = *(vi->vfmt); |
920 |
|
921 |
/* Load a 32x32x4 image. White pixels are transparent. */
|
922 |
filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, "qemu-icon.bmp");
|
923 |
if (filename) {
|
924 |
SDL_Surface *image = SDL_LoadBMP(filename); |
925 |
if (image) {
|
926 |
uint32_t colorkey = SDL_MapRGB(image->format, 255, 255, 255); |
927 |
SDL_SetColorKey(image, SDL_SRCCOLORKEY, colorkey); |
928 |
SDL_WM_SetIcon(image, NULL);
|
929 |
} |
930 |
g_free(filename); |
931 |
} |
932 |
|
933 |
if (full_screen) {
|
934 |
gui_fullscreen = 1;
|
935 |
sdl_grab_start(); |
936 |
} |
937 |
|
938 |
dcl = g_malloc0(sizeof(DisplayChangeListener));
|
939 |
dcl->ops = &dcl_ops; |
940 |
register_displaychangelistener(dcl); |
941 |
|
942 |
mouse_mode_notifier.notify = sdl_mouse_mode_change; |
943 |
qemu_add_mouse_mode_change_notifier(&mouse_mode_notifier); |
944 |
|
945 |
sdl_update_caption(); |
946 |
SDL_EnableKeyRepeat(250, 50); |
947 |
gui_grab = 0;
|
948 |
|
949 |
sdl_cursor_hidden = SDL_CreateCursor(&data, &data, 8, 1, 0, 0); |
950 |
sdl_cursor_normal = SDL_GetCursor(); |
951 |
|
952 |
atexit(sdl_cleanup); |
953 |
} |