f442e08b41
When SDL is invisible/minimized, there is no need to keep calling the VGA refresh 33 times per second. This patch reduces in that case the rate to 2 times per second, which should be responsive enough for the un-minimizing event. (Samuel Thibault) git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4050 c046a42c-6fe2-441c-8c8c-71466251a162
656 lines
20 KiB
C
656 lines
20 KiB
C
/*
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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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#include "qemu-common.h"
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#include "console.h"
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#include "sysemu.h"
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#include <SDL.h>
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#ifndef _WIN32
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#include <signal.h>
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#endif
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static SDL_Surface *screen;
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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 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_fullscreen_initial_grab;
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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 int width, height;
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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 = 0;
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static void sdl_update(DisplayState *ds, 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_UpdateRect(screen, x, y, w, h);
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}
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static void sdl_resize(DisplayState *ds, int w, int h)
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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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if (gui_noframe)
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flags |= SDL_NOFRAME;
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width = w;
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height = h;
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again:
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screen = SDL_SetVideoMode(w, h, 0, flags);
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if (!screen) {
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fprintf(stderr, "Could not open SDL display\n");
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exit(1);
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}
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if (!screen->pixels && (flags & SDL_HWSURFACE) && (flags & SDL_FULLSCREEN)) {
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flags &= ~SDL_HWSURFACE;
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goto again;
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}
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if (!screen->pixels) {
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fprintf(stderr, "Could not open SDL display\n");
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exit(1);
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}
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ds->data = screen->pixels;
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ds->linesize = screen->pitch;
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ds->depth = screen->format->BitsPerPixel;
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if (screen->format->Bshift > screen->format->Rshift) {
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ds->bgr = 1;
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} else {
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ds->bgr = 0;
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}
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ds->width = w;
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ds->height = h;
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}
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/* generic keyboard conversion */
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#include "sdl_keysym.h"
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#include "keymaps.c"
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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);
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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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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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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 < 212) {
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/* use conversion table */
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keycode = _translate_keycode(keycode - 97);
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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 & 0x80)
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kbd_put_keycode(0xe0);
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kbd_put_keycode(i | 0x80);
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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 |= 0x80;
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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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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 | 0x80);
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return;
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}
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/* now send the key code */
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if (keycode & 0x80)
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kbd_put_keycode(0xe0);
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if (ev->type == SDL_KEYUP)
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kbd_put_keycode(keycode | 0x80);
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else
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kbd_put_keycode(keycode & 0x7f);
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}
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static void sdl_update_caption(void)
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{
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char buf[1024];
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const char *status = "";
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if (!vm_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 to exit grab";
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else
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status = " - Press Ctrl-Alt-Shift to exit grab";
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}
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if (qemu_name)
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snprintf(buf, sizeof(buf), "QEMU (%s)%s", qemu_name, status);
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else
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snprintf(buf, sizeof(buf), "QEMU%s", status);
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SDL_WM_SetCaption(buf, "QEMU");
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}
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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);
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} else {
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SDL_ShowCursor(0);
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}
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}
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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()) {
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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);
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}
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}
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static void sdl_grab_start(void)
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{
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if (guest_cursor) {
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SDL_SetCursor(guest_sprite);
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SDL_WarpMouse(guest_x, guest_y);
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} else
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sdl_hide_cursor();
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SDL_WM_GrabInput(SDL_GRAB_ON);
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gui_grab = 1;
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sdl_update_caption();
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}
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static void sdl_grab_end(void)
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{
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SDL_WM_GrabInput(SDL_GRAB_OFF);
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gui_grab = 0;
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sdl_show_cursor();
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sdl_update_caption();
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}
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static void sdl_send_mouse_event(int dx, int dy, int dz, int x, int y, int state)
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{
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int buttons;
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buttons = 0;
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if (state & SDL_BUTTON(SDL_BUTTON_LEFT))
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buttons |= MOUSE_EVENT_LBUTTON;
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if (state & SDL_BUTTON(SDL_BUTTON_RIGHT))
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buttons |= MOUSE_EVENT_RBUTTON;
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if (state & SDL_BUTTON(SDL_BUTTON_MIDDLE))
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buttons |= MOUSE_EVENT_MBUTTON;
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if (kbd_mouse_is_absolute()) {
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if (!absolute_enabled) {
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sdl_hide_cursor();
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if (gui_grab) {
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sdl_grab_end();
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}
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absolute_enabled = 1;
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}
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dx = x * 0x7FFF / (width - 1);
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dy = y * 0x7FFF / (height - 1);
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} else if (absolute_enabled) {
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sdl_show_cursor();
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absolute_enabled = 0;
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} else if (guest_cursor) {
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x -= guest_x;
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y -= guest_y;
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guest_x += x;
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guest_y += y;
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dx = x;
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dy = y;
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}
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kbd_mouse_event(dx, dy, dz, buttons);
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}
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static void toggle_full_screen(DisplayState *ds)
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{
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gui_fullscreen = !gui_fullscreen;
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sdl_resize(ds, screen->w, screen->h);
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if (gui_fullscreen) {
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gui_saved_grab = gui_grab;
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sdl_grab_start();
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} else {
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if (!gui_saved_grab)
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sdl_grab_end();
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}
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vga_hw_invalidate();
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vga_hw_update();
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}
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static void sdl_refresh(DisplayState *ds)
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{
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SDL_Event ev1, *ev = &ev1;
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int mod_state;
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int buttonstate = SDL_GetMouseState(NULL, NULL);
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if (last_vm_running != vm_running) {
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last_vm_running = vm_running;
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sdl_update_caption();
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}
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vga_hw_update();
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while (SDL_PollEvent(ev)) {
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switch (ev->type) {
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case SDL_VIDEOEXPOSE:
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sdl_update(ds, 0, 0, screen->w, screen->h);
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break;
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case SDL_KEYDOWN:
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case SDL_KEYUP:
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if (ev->type == SDL_KEYDOWN) {
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if (!alt_grab) {
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mod_state = (SDL_GetModState() & gui_grab_code) ==
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gui_grab_code;
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} else {
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mod_state = (SDL_GetModState() & (gui_grab_code | KMOD_LSHIFT)) ==
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(gui_grab_code | KMOD_LSHIFT);
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}
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gui_key_modifier_pressed = mod_state;
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if (gui_key_modifier_pressed) {
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int keycode;
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keycode = sdl_keyevent_to_keycode(&ev->key);
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switch(keycode) {
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case 0x21: /* 'f' key on US keyboard */
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toggle_full_screen(ds);
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gui_keysym = 1;
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break;
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case 0x02 ... 0x0a: /* '1' to '9' keys */
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/* Reset the modifiers sent to the current console */
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reset_keys();
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console_select(keycode - 0x02);
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if (!is_graphic_console()) {
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/* display grab if going to a text console */
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if (gui_grab)
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sdl_grab_end();
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}
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gui_keysym = 1;
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break;
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default:
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break;
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}
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} else if (!is_graphic_console()) {
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int keysym;
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keysym = 0;
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if (ev->key.keysym.mod & (KMOD_LCTRL | KMOD_RCTRL)) {
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switch(ev->key.keysym.sym) {
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case SDLK_UP: keysym = QEMU_KEY_CTRL_UP; break;
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case SDLK_DOWN: keysym = QEMU_KEY_CTRL_DOWN; break;
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case SDLK_LEFT: keysym = QEMU_KEY_CTRL_LEFT; break;
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case SDLK_RIGHT: keysym = QEMU_KEY_CTRL_RIGHT; break;
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case SDLK_HOME: keysym = QEMU_KEY_CTRL_HOME; break;
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case SDLK_END: keysym = QEMU_KEY_CTRL_END; break;
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case SDLK_PAGEUP: keysym = QEMU_KEY_CTRL_PAGEUP; break;
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case SDLK_PAGEDOWN: keysym = QEMU_KEY_CTRL_PAGEDOWN; break;
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default: break;
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}
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} else {
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switch(ev->key.keysym.sym) {
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case SDLK_UP: keysym = QEMU_KEY_UP; break;
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case SDLK_DOWN: keysym = QEMU_KEY_DOWN; break;
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case SDLK_LEFT: keysym = QEMU_KEY_LEFT; break;
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case SDLK_RIGHT: keysym = QEMU_KEY_RIGHT; break;
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case SDLK_HOME: keysym = QEMU_KEY_HOME; break;
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case SDLK_END: keysym = QEMU_KEY_END; break;
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case SDLK_PAGEUP: keysym = QEMU_KEY_PAGEUP; break;
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case SDLK_PAGEDOWN: keysym = QEMU_KEY_PAGEDOWN; break;
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case SDLK_BACKSPACE: keysym = QEMU_KEY_BACKSPACE; break;
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case SDLK_DELETE: keysym = QEMU_KEY_DELETE; break;
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default: break;
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}
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}
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if (keysym) {
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kbd_put_keysym(keysym);
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} else if (ev->key.keysym.unicode != 0) {
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kbd_put_keysym(ev->key.keysym.unicode);
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}
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}
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} else if (ev->type == SDL_KEYUP) {
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if (!alt_grab) {
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mod_state = (ev->key.keysym.mod & gui_grab_code);
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} else {
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mod_state = (ev->key.keysym.mod &
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(gui_grab_code | KMOD_LSHIFT));
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}
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if (!mod_state) {
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if (gui_key_modifier_pressed) {
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gui_key_modifier_pressed = 0;
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if (gui_keysym == 0) {
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/* exit/enter grab if pressing Ctrl-Alt */
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if (!gui_grab) {
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/* if the application is not active,
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do not try to enter grab state. It
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prevents
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'SDL_WM_GrabInput(SDL_GRAB_ON)'
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from blocking all the application
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(SDL bug). */
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if (SDL_GetAppState() & SDL_APPACTIVE)
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sdl_grab_start();
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} else {
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sdl_grab_end();
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}
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/* SDL does not send back all the
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modifiers key, so we must correct it */
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reset_keys();
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break;
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}
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gui_keysym = 0;
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}
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}
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}
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if (is_graphic_console() && !gui_keysym)
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sdl_process_key(&ev->key);
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break;
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case SDL_QUIT:
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if (!no_quit) {
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qemu_system_shutdown_request();
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vm_start(); /* In case we're paused */
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}
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break;
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case SDL_MOUSEMOTION:
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if (gui_grab || kbd_mouse_is_absolute() ||
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absolute_enabled) {
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sdl_send_mouse_event(ev->motion.xrel, ev->motion.yrel, 0,
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ev->motion.x, ev->motion.y, ev->motion.state);
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}
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break;
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case SDL_MOUSEBUTTONDOWN:
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case SDL_MOUSEBUTTONUP:
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{
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SDL_MouseButtonEvent *bev = &ev->button;
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if (!gui_grab && !kbd_mouse_is_absolute()) {
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if (ev->type == SDL_MOUSEBUTTONDOWN &&
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(bev->button == SDL_BUTTON_LEFT)) {
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/* start grabbing all events */
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sdl_grab_start();
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}
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} else {
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int dz;
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dz = 0;
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if (ev->type == SDL_MOUSEBUTTONDOWN) {
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buttonstate |= SDL_BUTTON(bev->button);
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} else {
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buttonstate &= ~SDL_BUTTON(bev->button);
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}
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#ifdef SDL_BUTTON_WHEELUP
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if (bev->button == SDL_BUTTON_WHEELUP && ev->type == SDL_MOUSEBUTTONDOWN) {
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dz = -1;
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} else if (bev->button == SDL_BUTTON_WHEELDOWN && ev->type == SDL_MOUSEBUTTONDOWN) {
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dz = 1;
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}
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#endif
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sdl_send_mouse_event(0, 0, dz, bev->x, bev->y, buttonstate);
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}
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}
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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 */
|
|
ds->gui_timer_interval = 0;
|
|
} else {
|
|
/* Sleeping interval */
|
|
ds->gui_timer_interval = 500;
|
|
}
|
|
}
|
|
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(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);
|
|
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(int width, int height, int bpp,
|
|
int hot_x, int hot_y,
|
|
uint8_t *image, uint8_t *mask)
|
|
{
|
|
uint8_t sprite[256], *line;
|
|
int x, y, dst, bypl, src = 0;
|
|
if (guest_sprite)
|
|
SDL_FreeCursor(guest_sprite);
|
|
|
|
memset(sprite, 0, 256);
|
|
bypl = ((width * bpp + 31) >> 5) << 2;
|
|
for (y = 0, dst = 0; y < height; y ++, image += bypl) {
|
|
line = image;
|
|
for (x = 0; x < width; x ++, dst ++) {
|
|
switch (bpp) {
|
|
case 24:
|
|
src = *(line ++); src |= *(line ++); src |= *(line ++);
|
|
break;
|
|
case 16:
|
|
case 15:
|
|
src = *(line ++); src |= *(line ++);
|
|
break;
|
|
case 8:
|
|
src = *(line ++);
|
|
break;
|
|
case 4:
|
|
src = 0xf & (line[x >> 1] >> ((x & 1)) << 2);
|
|
break;
|
|
case 2:
|
|
src = 3 & (line[x >> 2] >> ((x & 3)) << 1);
|
|
break;
|
|
case 1:
|
|
src = 1 & (line[x >> 3] >> (x & 7));
|
|
break;
|
|
}
|
|
if (!src)
|
|
sprite[dst >> 3] |= (1 << (~dst & 7)) & mask[dst >> 3];
|
|
}
|
|
}
|
|
guest_sprite = SDL_CreateCursor(sprite, mask, width, height, hot_x, hot_y);
|
|
|
|
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_Quit();
|
|
}
|
|
|
|
void sdl_display_init(DisplayState *ds, int full_screen, int no_frame)
|
|
{
|
|
int flags;
|
|
uint8_t data = 0;
|
|
|
|
#if defined(__APPLE__)
|
|
/* always use generic keymaps */
|
|
if (!keyboard_layout)
|
|
keyboard_layout = "en-us";
|
|
#endif
|
|
if(keyboard_layout) {
|
|
kbd_layout = init_keyboard_layout(keyboard_layout);
|
|
if (!kbd_layout)
|
|
exit(1);
|
|
}
|
|
|
|
if (no_frame)
|
|
gui_noframe = 1;
|
|
|
|
flags = SDL_INIT_VIDEO | SDL_INIT_NOPARACHUTE;
|
|
if (SDL_Init (flags)) {
|
|
fprintf(stderr, "Could not initialize SDL - exiting\n");
|
|
exit(1);
|
|
}
|
|
#ifndef _WIN32
|
|
/* NOTE: we still want Ctrl-C to work, so we undo the SDL redirections */
|
|
signal(SIGINT, SIG_DFL);
|
|
signal(SIGQUIT, SIG_DFL);
|
|
#endif
|
|
|
|
ds->dpy_update = sdl_update;
|
|
ds->dpy_resize = sdl_resize;
|
|
ds->dpy_refresh = sdl_refresh;
|
|
ds->dpy_fill = sdl_fill;
|
|
ds->mouse_set = sdl_mouse_warp;
|
|
ds->cursor_define = sdl_mouse_define;
|
|
|
|
sdl_resize(ds, 640, 400);
|
|
sdl_update_caption();
|
|
SDL_EnableKeyRepeat(250, 50);
|
|
SDL_EnableUNICODE(1);
|
|
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();
|
|
}
|
|
}
|