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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
41 #include <netinet/in.h>
50 static SDL_Surface
*screen
;
51 static int gui_grab
; /* if true, all keyboard/mouse events are grabbed */
53 static void sdl_update(DisplayState
*ds
, int x
, int y
, int w
, int h
)
55 // printf("updating x=%d y=%d w=%d h=%d\n", x, y, w, h);
56 SDL_UpdateRect(screen
, x
, y
, w
, h
);
59 static void sdl_resize(DisplayState
*ds
, int w
, int h
)
63 // printf("resizing to %d %d\n", w, h);
65 flags
= SDL_HWSURFACE
|SDL_ASYNCBLIT
|SDL_HWACCEL
;
66 flags
|= SDL_RESIZABLE
;
67 screen
= SDL_SetVideoMode(w
, h
, 0, flags
);
69 fprintf(stderr
, "Could not open SDL display\n");
72 ds
->data
= screen
->pixels
;
73 ds
->linesize
= screen
->pitch
;
74 ds
->depth
= screen
->format
->BitsPerPixel
;
77 static const uint32_t x_keycode_to_pc_keycode
[61] = {
81 0x4be0, /* 100 Left */
83 0x4de0, /* 102 Right */
85 0x50e0, /* 104 Down */
86 0x51e0, /* 105 PgDn */
89 0x1ce0, /* 108 Enter */
90 0x1de0, /* 109 Ctrl-R */
91 0x451de1, /* 110 Pause */
92 0x37e0, /* 111 Print */
93 0x35e0, /* 112 Divide */
94 0x38e0, /* 113 Alt-R */
95 0x46e0, /* 114 Break */
128 0x47, /* 147 KP_HOME */
129 0x48, /* 148 KP_UP */
130 0x49, /* 149 KP_PgUp */
131 0x4b, /* 150 KP_Left */
133 0x4d, /* 152 KP_Right */
134 0x4f, /* 153 KP_End */
135 0x50, /* 154 KP_Down */
136 0x51, /* 155 KP_PgDn */
137 0x52, /* 156 KP_Ins */
138 0x53, /* 157 KP_Del */
141 static void sdl_process_key(SDL_KeyboardEvent
*ev
)
145 /* XXX: not portable, but avoids complicated mappings */
146 keycode
= ev
->keysym
.scancode
;
149 } else if (keycode
< 97) {
150 keycode
-= 8; /* just an offset */
151 } else if (keycode
< 158) {
152 /* use conversion table */
153 keycode
= x_keycode_to_pc_keycode
[keycode
- 97];
158 /* now send the key code */
159 while (keycode
!= 0) {
161 if (ev
->type
== SDL_KEYUP
)
168 static void sdl_grab_start(void)
170 SDL_WM_SetCaption("QEMU - Press Ctrl-Shift to exit grab", "QEMU");
172 SDL_WM_GrabInput(SDL_GRAB_ON
);
173 /* dummy read to avoid moving the mouse */
174 SDL_GetRelativeMouseState(NULL
, NULL
);
178 static void sdl_grab_end(void)
180 SDL_WM_SetCaption("QEMU", "QEMU");
181 SDL_WM_GrabInput(SDL_GRAB_OFF
);
186 static void sdl_send_mouse_event(void)
188 int dx
, dy
, dz
, state
, buttons
;
189 state
= SDL_GetRelativeMouseState(&dx
, &dy
);
191 if (state
& SDL_BUTTON(SDL_BUTTON_LEFT
))
192 buttons
|= MOUSE_EVENT_LBUTTON
;
193 if (state
& SDL_BUTTON(SDL_BUTTON_RIGHT
))
194 buttons
|= MOUSE_EVENT_RBUTTON
;
195 if (state
& SDL_BUTTON(SDL_BUTTON_MIDDLE
))
196 buttons
|= MOUSE_EVENT_MBUTTON
;
197 /* XXX: test wheel */
199 #ifdef SDL_BUTTON_WHEELUP
200 if (state
& SDL_BUTTON(SDL_BUTTON_WHEELUP
))
202 if (state
& SDL_BUTTON(SDL_BUTTON_WHEELDOWN
))
205 kbd_mouse_event(dx
, dy
, dz
, buttons
);
208 static void sdl_refresh(DisplayState
*ds
)
210 SDL_Event ev1
, *ev
= &ev1
;
212 vga_update_display();
213 while (SDL_PollEvent(ev
)) {
215 case SDL_VIDEOEXPOSE
:
216 sdl_update(ds
, 0, 0, screen
->w
, screen
->h
);
220 if (ev
->type
== SDL_KEYDOWN
) {
221 if ((SDL_GetModState() & (KMOD_LSHIFT
| KMOD_LCTRL
)) ==
222 (KMOD_LSHIFT
| KMOD_LCTRL
)) {
223 /* exit/enter grab if pressing Ctrl-Shift */
230 sdl_process_key(&ev
->key
);
235 case SDL_MOUSEMOTION
:
237 sdl_send_mouse_event();
240 case SDL_MOUSEBUTTONDOWN
:
241 case SDL_MOUSEBUTTONUP
:
243 SDL_MouseButtonEvent
*bev
= &ev
->button
;
245 if (ev
->type
== SDL_MOUSEBUTTONDOWN
&&
246 (bev
->state
& SDL_BUTTON_LMASK
)) {
247 /* start grabbing all events */
251 sdl_send_mouse_event();
261 static void sdl_cleanup(void)
266 void sdl_display_init(DisplayState
*ds
)
270 flags
= SDL_INIT_VIDEO
| SDL_INIT_NOPARACHUTE
;
271 if (SDL_Init (flags
)) {
272 fprintf(stderr
, "Could not initialize SDL - exiting\n");
275 /* NOTE: we still want Ctrl-C to work, so we undo the SDL redirections */
276 signal(SIGINT
, SIG_DFL
);
277 signal(SIGQUIT
, SIG_DFL
);
279 ds
->dpy_update
= sdl_update
;
280 ds
->dpy_resize
= sdl_resize
;
281 ds
->dpy_refresh
= sdl_refresh
;
283 sdl_resize(ds
, 640, 400);
284 SDL_WM_SetCaption("QEMU", "QEMU");
285 SDL_EnableKeyRepeat(250, 50);