2003-08-10 02:26:36 +08:00
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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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2004-04-01 07:37:16 +08:00
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#include "vl.h"
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2003-08-10 02:26:36 +08:00
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#include <SDL.h>
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2004-04-01 07:37:16 +08:00
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#ifndef _WIN32
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#include <signal.h>
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#endif
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2003-08-10 02:26:36 +08:00
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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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2004-04-01 03:00:16 +08:00
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static int last_vm_running;
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2004-04-29 03:33:40 +08:00
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static int gui_saved_grab;
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static int gui_fullscreen;
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static int gui_key_modifier_pressed;
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static int gui_keysym;
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2003-08-10 02:26:36 +08:00
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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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2004-02-07 03:56:42 +08:00
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// printf("updating x=%d y=%d w=%d h=%d\n", x, y, w, h);
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2003-08-10 02:26:36 +08:00
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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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flags |= SDL_RESIZABLE;
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2004-04-29 03:33:40 +08:00
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if (gui_fullscreen)
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flags |= SDL_FULLSCREEN;
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2003-08-10 02:26:36 +08:00
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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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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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}
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static const uint32_t x_keycode_to_pc_keycode[61] = {
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0x47e0, /* 97 Home */
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0x48e0, /* 98 Up */
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0x49e0, /* 99 PgUp */
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0x4be0, /* 100 Left */
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0x4c, /* 101 KP-5 */
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0x4de0, /* 102 Right */
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0x4fe0, /* 103 End */
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0x50e0, /* 104 Down */
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0x51e0, /* 105 PgDn */
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0x52e0, /* 106 Ins */
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0x53e0, /* 107 Del */
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0x1ce0, /* 108 Enter */
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0x1de0, /* 109 Ctrl-R */
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0x451de1, /* 110 Pause */
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0x37e0, /* 111 Print */
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0x35e0, /* 112 Divide */
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0x38e0, /* 113 Alt-R */
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0x46e0, /* 114 Break */
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0x0, /* 115 */
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0x0, /* 116 */
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0x0, /* 117 */
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0x0, /* 118 */
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0x0, /* 119 */
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0x0, /* 120 */
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0x0, /* 121 */
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0x0, /* 122 */
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0x0, /* 123 */
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0x0, /* 124 */
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0x0, /* 125 */
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0x0, /* 126 */
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0x0, /* 127 */
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0x0, /* 128 */
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0x0, /* 129 */
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0x0, /* 130 */
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0x0, /* 131 */
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0x0, /* 132 */
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0x0, /* 133 */
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0x0, /* 134 */
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0x0, /* 135 */
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0x47, /* 136 KP_7 */
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0x48, /* 137 KP_8 */
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0x49, /* 138 KP_9 */
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0x4b, /* 139 KP_4 */
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0x4c, /* 140 KP_5 */
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0x4d, /* 141 KP_6 */
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0x4f, /* 142 KP_1 */
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0x50, /* 143 KP_2 */
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0x51, /* 144 KP_3 */
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0x52, /* 145 KP_0 */
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0x53, /* 146 KP_. */
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0x47, /* 147 KP_HOME */
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0x48, /* 148 KP_UP */
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0x49, /* 149 KP_PgUp */
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0x4b, /* 150 KP_Left */
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0x4c, /* 151 KP_ */
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0x4d, /* 152 KP_Right */
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0x4f, /* 153 KP_End */
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0x50, /* 154 KP_Down */
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0x51, /* 155 KP_PgDn */
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0x52, /* 156 KP_Ins */
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0x53, /* 157 KP_Del */
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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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/* XXX: not portable, but avoids complicated mappings */
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keycode = ev->keysym.scancode;
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2004-04-07 03:30:16 +08:00
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#ifdef _WIN32
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if (keycode < 97) {
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/* nothing to do */
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} else
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#else
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2003-08-10 02:26:36 +08:00
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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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2004-04-07 03:30:16 +08:00
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} else
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#endif
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if (keycode < 158) {
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2003-08-10 02:26:36 +08:00
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/* use conversion table */
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keycode = x_keycode_to_pc_keycode[keycode - 97];
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} else {
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keycode = 0;
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}
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/* now send the key code */
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while (keycode != 0) {
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v = keycode & 0xff;
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if (ev->type == SDL_KEYUP)
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v |= 0x80;
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kbd_put_keycode(v);
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keycode >>= 8;
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}
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}
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2004-04-01 03:00:16 +08:00
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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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strcpy(buf, "QEMU");
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if (!vm_running) {
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strcat(buf, " [Stopped]");
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}
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if (gui_grab) {
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strcat(buf, " - Press Ctrl-Shift to exit grab");
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}
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SDL_WM_SetCaption(buf, "QEMU");
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}
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2003-08-10 02:26:36 +08:00
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static void sdl_grab_start(void)
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{
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SDL_ShowCursor(0);
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SDL_WM_GrabInput(SDL_GRAB_ON);
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/* dummy read to avoid moving the mouse */
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SDL_GetRelativeMouseState(NULL, NULL);
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gui_grab = 1;
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2004-04-01 03:00:16 +08:00
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sdl_update_caption();
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2003-08-10 02:26:36 +08:00
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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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SDL_ShowCursor(1);
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gui_grab = 0;
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2004-04-01 03:00:16 +08:00
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sdl_update_caption();
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2003-08-10 02:26:36 +08:00
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}
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static void sdl_send_mouse_event(void)
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{
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int dx, dy, dz, state, buttons;
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state = SDL_GetRelativeMouseState(&dx, &dy);
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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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/* XXX: test wheel */
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dz = 0;
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2004-01-05 02:15:01 +08:00
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#ifdef SDL_BUTTON_WHEELUP
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2003-08-10 02:26:36 +08:00
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if (state & SDL_BUTTON(SDL_BUTTON_WHEELUP))
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dz--;
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if (state & SDL_BUTTON(SDL_BUTTON_WHEELDOWN))
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dz++;
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2004-01-05 02:15:01 +08:00
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#endif
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2003-08-10 02:26:36 +08:00
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kbd_mouse_event(dx, dy, dz, buttons);
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}
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2004-04-29 03:33:40 +08:00
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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_update_display();
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sdl_update(ds, 0, 0, screen->w, screen->h);
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}
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2003-08-10 02:26:36 +08:00
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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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2004-04-29 03:33:40 +08:00
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int mod_state;
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2004-04-01 03:00:16 +08:00
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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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2003-08-10 02:26:36 +08:00
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vga_update_display();
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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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2004-04-29 03:33:40 +08:00
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mod_state = (SDL_GetModState() & (KMOD_LSHIFT | KMOD_LCTRL)) ==
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(KMOD_LSHIFT | KMOD_LCTRL);
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gui_key_modifier_pressed = mod_state;
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if (gui_key_modifier_pressed &&
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ev->key.keysym.sym == SDLK_f) {
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gui_keysym = ev->key.keysym.sym;
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}
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} else if (ev->type == SDL_KEYUP) {
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mod_state = (SDL_GetModState() & (KMOD_LSHIFT | KMOD_LCTRL));
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if (!mod_state) {
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if (gui_key_modifier_pressed) {
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switch(gui_keysym) {
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case SDLK_f:
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toggle_full_screen(ds);
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break;
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case 0:
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/* exit/enter grab if pressing Ctrl-Shift */
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if (!gui_grab)
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sdl_grab_start();
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else
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sdl_grab_end();
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break;
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}
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gui_key_modifier_pressed = 0;
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gui_keysym = 0;
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}
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2003-08-10 02:26:36 +08:00
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}
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}
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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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reset_requested = 1;
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break;
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case SDL_MOUSEMOTION:
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if (gui_grab) {
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sdl_send_mouse_event();
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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) {
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if (ev->type == SDL_MOUSEBUTTONDOWN &&
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(bev->state & SDL_BUTTON_LMASK)) {
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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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sdl_send_mouse_event();
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}
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}
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break;
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2004-04-30 06:15:15 +08:00
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case SDL_ACTIVEEVENT:
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if (gui_grab && (ev->active.gain & SDL_ACTIVEEVENTMASK) == 0) {
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sdl_grab_end();
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}
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break;
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2003-08-10 02:26:36 +08:00
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default:
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break;
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}
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}
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}
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2004-02-07 03:56:42 +08:00
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static void sdl_cleanup(void)
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{
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SDL_Quit();
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}
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2003-08-10 02:26:36 +08:00
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void sdl_display_init(DisplayState *ds)
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{
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int flags;
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flags = SDL_INIT_VIDEO | SDL_INIT_NOPARACHUTE;
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if (SDL_Init (flags)) {
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fprintf(stderr, "Could not initialize SDL - exiting\n");
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exit(1);
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}
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2004-04-01 07:37:16 +08:00
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#ifndef _WIN32
|
2003-10-01 05:09:16 +08:00
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/* NOTE: we still want Ctrl-C to work, so we undo the SDL redirections */
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signal(SIGINT, SIG_DFL);
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signal(SIGQUIT, SIG_DFL);
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2004-04-01 07:37:16 +08:00
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#endif
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2003-10-01 05:09:16 +08:00
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2003-08-10 02:26:36 +08:00
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ds->dpy_update = sdl_update;
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ds->dpy_resize = sdl_resize;
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ds->dpy_refresh = sdl_refresh;
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sdl_resize(ds, 640, 400);
|
2004-04-01 03:00:16 +08:00
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sdl_update_caption();
|
2003-08-10 02:26:36 +08:00
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SDL_EnableKeyRepeat(250, 50);
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gui_grab = 0;
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2004-02-07 03:56:42 +08:00
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atexit(sdl_cleanup);
|
2003-08-10 02:26:36 +08:00
|
|
|
}
|