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git.proxmox.com Git - mirror_qemu.git/blob - sdl.c
2 * QEMU SDL display driver
4 * Copyright (c) 2003 Fabrice Bellard
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
32 static SDL_Surface
*screen
;
33 static int gui_grab
; /* if true, all keyboard/mouse events are grabbed */
34 static int last_vm_running
;
36 static void sdl_update(DisplayState
*ds
, int x
, int y
, int w
, int h
)
38 // printf("updating x=%d y=%d w=%d h=%d\n", x, y, w, h);
39 SDL_UpdateRect(screen
, x
, y
, w
, h
);
42 static void sdl_resize(DisplayState
*ds
, int w
, int h
)
46 // printf("resizing to %d %d\n", w, h);
48 flags
= SDL_HWSURFACE
|SDL_ASYNCBLIT
|SDL_HWACCEL
;
49 flags
|= SDL_RESIZABLE
;
50 screen
= SDL_SetVideoMode(w
, h
, 0, flags
);
52 fprintf(stderr
, "Could not open SDL display\n");
55 ds
->data
= screen
->pixels
;
56 ds
->linesize
= screen
->pitch
;
57 ds
->depth
= screen
->format
->BitsPerPixel
;
60 static const uint32_t x_keycode_to_pc_keycode
[61] = {
64 0x4be0, /* 100 Left */
66 0x4de0, /* 102 Right */
68 0x50e0, /* 104 Down */
69 0x51e0, /* 105 PgDn */
72 0x1ce0, /* 108 Enter */
73 0x1de0, /* 109 Ctrl-R */
74 0x451de1, /* 110 Pause */
75 0x37e0, /* 111 Print */
76 0x35e0, /* 112 Divide */
77 0x38e0, /* 113 Alt-R */
78 0x46e0, /* 114 Break */
111 0x47, /* 147 KP_HOME */
112 0x48, /* 148 KP_UP */
113 0x49, /* 149 KP_PgUp */
114 0x4b, /* 150 KP_Left */
116 0x4d, /* 152 KP_Right */
117 0x4f, /* 153 KP_End */
118 0x50, /* 154 KP_Down */
119 0x51, /* 155 KP_PgDn */
120 0x52, /* 156 KP_Ins */
121 0x53, /* 157 KP_Del */
124 static void sdl_process_key(SDL_KeyboardEvent
*ev
)
128 /* XXX: not portable, but avoids complicated mappings */
129 keycode
= ev
->keysym
.scancode
;
137 } else if (keycode
< 97) {
138 keycode
-= 8; /* just an offset */
142 /* use conversion table */
143 keycode
= x_keycode_to_pc_keycode
[keycode
- 97];
148 /* now send the key code */
149 while (keycode
!= 0) {
151 if (ev
->type
== SDL_KEYUP
)
158 static void sdl_update_caption(void)
163 strcat(buf
, " [Stopped]");
166 strcat(buf
, " - Press Ctrl-Shift to exit grab");
168 SDL_WM_SetCaption(buf
, "QEMU");
171 static void sdl_grab_start(void)
174 SDL_WM_GrabInput(SDL_GRAB_ON
);
175 /* dummy read to avoid moving the mouse */
176 SDL_GetRelativeMouseState(NULL
, NULL
);
178 sdl_update_caption();
181 static void sdl_grab_end(void)
183 SDL_WM_GrabInput(SDL_GRAB_OFF
);
186 sdl_update_caption();
189 static void sdl_send_mouse_event(void)
191 int dx
, dy
, dz
, state
, buttons
;
192 state
= SDL_GetRelativeMouseState(&dx
, &dy
);
194 if (state
& SDL_BUTTON(SDL_BUTTON_LEFT
))
195 buttons
|= MOUSE_EVENT_LBUTTON
;
196 if (state
& SDL_BUTTON(SDL_BUTTON_RIGHT
))
197 buttons
|= MOUSE_EVENT_RBUTTON
;
198 if (state
& SDL_BUTTON(SDL_BUTTON_MIDDLE
))
199 buttons
|= MOUSE_EVENT_MBUTTON
;
200 /* XXX: test wheel */
202 #ifdef SDL_BUTTON_WHEELUP
203 if (state
& SDL_BUTTON(SDL_BUTTON_WHEELUP
))
205 if (state
& SDL_BUTTON(SDL_BUTTON_WHEELDOWN
))
208 kbd_mouse_event(dx
, dy
, dz
, buttons
);
211 static void sdl_refresh(DisplayState
*ds
)
213 SDL_Event ev1
, *ev
= &ev1
;
215 if (last_vm_running
!= vm_running
) {
216 last_vm_running
= vm_running
;
217 sdl_update_caption();
220 vga_update_display();
221 while (SDL_PollEvent(ev
)) {
223 case SDL_VIDEOEXPOSE
:
224 sdl_update(ds
, 0, 0, screen
->w
, screen
->h
);
228 if (ev
->type
== SDL_KEYDOWN
) {
229 if ((SDL_GetModState() & (KMOD_LSHIFT
| KMOD_LCTRL
)) ==
230 (KMOD_LSHIFT
| KMOD_LCTRL
)) {
231 /* exit/enter grab if pressing Ctrl-Shift */
238 sdl_process_key(&ev
->key
);
243 case SDL_MOUSEMOTION
:
245 sdl_send_mouse_event();
248 case SDL_MOUSEBUTTONDOWN
:
249 case SDL_MOUSEBUTTONUP
:
251 SDL_MouseButtonEvent
*bev
= &ev
->button
;
253 if (ev
->type
== SDL_MOUSEBUTTONDOWN
&&
254 (bev
->state
& SDL_BUTTON_LMASK
)) {
255 /* start grabbing all events */
259 sdl_send_mouse_event();
269 static void sdl_cleanup(void)
274 void sdl_display_init(DisplayState
*ds
)
278 flags
= SDL_INIT_VIDEO
| SDL_INIT_NOPARACHUTE
;
279 if (SDL_Init (flags
)) {
280 fprintf(stderr
, "Could not initialize SDL - exiting\n");
285 /* NOTE: we still want Ctrl-C to work, so we undo the SDL redirections */
286 signal(SIGINT
, SIG_DFL
);
287 signal(SIGQUIT
, SIG_DFL
);
290 ds
->dpy_update
= sdl_update
;
291 ds
->dpy_resize
= sdl_resize
;
292 ds
->dpy_refresh
= sdl_refresh
;
294 sdl_resize(ds
, 640, 400);
295 sdl_update_caption();
296 SDL_EnableKeyRepeat(250, 50);