[qemu.git] / sdl.c

/*
 * QEMU SDL display driver
 * 
 * Copyright (c) 2003 Fabrice Bellard
 * 
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */
#include <stdlib.h>
#include <stdio.h>
#include <stdarg.h>
#include <string.h>
#include <getopt.h>
#include <inttypes.h>
#include <unistd.h>
#include <sys/mman.h>
#include <fcntl.h>
#include <signal.h>
#include <time.h>
#include <sys/time.h>
#include <malloc.h>
#include <termios.h>
#include <sys/poll.h>
#include <errno.h>
#include <sys/wait.h>
#include <netinet/in.h>

#include <SDL.h>

#include "cpu-i386.h"
#include "exec.h"

#include "vl.h"

static SDL_Surface *screen;
static int gui_grab; /* if true, all keyboard/mouse events are grabbed */

static void sdl_update(DisplayState *ds, int x, int y, int w, int h)
{
    SDL_UpdateRect(screen, x, y, w, h);
}

static void sdl_resize(DisplayState *ds, int w, int h)
{
    int flags;

    //    printf("resizing to %d %d\n", w, h);

    flags = SDL_HWSURFACE|SDL_ASYNCBLIT|SDL_HWACCEL;
    flags |= SDL_RESIZABLE;
    screen = SDL_SetVideoMode(w, h, 0, flags);
    if (!screen) {
        fprintf(stderr, "Could not open SDL display\n");
        exit(1);
    }
    ds->data = screen->pixels;
    ds->linesize = screen->pitch;
    ds->depth = screen->format->BitsPerPixel;
}

static const uint32_t x_keycode_to_pc_keycode[61] = {
   0x47e0,      /*  97  Home   */
   0x48e0,      /*  98  Up     */
   0x49e0,      /*  99  PgUp   */
   0x4be0,      /* 100  Left   */
   0x4c,        /* 101  KP-5   */
   0x4de0,      /* 102  Right  */
   0x4fe0,      /* 103  End    */
   0x50e0,      /* 104  Down   */
   0x51e0,      /* 105  PgDn   */
   0x52e0,      /* 106  Ins    */
   0x53e0,      /* 107  Del    */
   0x1ce0,      /* 108  Enter  */
   0x1de0,      /* 109  Ctrl-R */
   0x451de1,    /* 110  Pause  */
   0x37e0,      /* 111  Print  */
   0x35e0,      /* 112  Divide */
   0x38e0,      /* 113  Alt-R  */
   0x46e0,      /* 114  Break  */   
   0x0,         /* 115 */
   0x0,         /* 116 */
   0x0,         /* 117 */
   0x0,         /* 118 */
   0x0,         /* 119 */
   0x0,         /* 120 */
   0x0,         /* 121 */
   0x0,         /* 122 */
   0x0,         /* 123 */
   0x0,         /* 124 */
   0x0,         /* 125 */
   0x0,         /* 126 */
   0x0,         /* 127 */
   0x0,         /* 128 */
   0x0,         /* 129 */
   0x0,         /* 130 */
   0x0,         /* 131 */
   0x0,         /* 132 */
   0x0,         /* 133 */
   0x0,         /* 134 */
   0x0,         /* 135 */
   0x47,         /* 136 KP_7 */
   0x48,         /* 137 KP_8 */
   0x49,         /* 138 KP_9 */
   0x4b,         /* 139 KP_4 */
   0x4c,         /* 140 KP_5 */
   0x4d,         /* 141 KP_6 */
   0x4f,         /* 142 KP_1 */
   0x50,         /* 143 KP_2 */
   0x51,         /* 144 KP_3 */
   0x52,         /* 145 KP_0 */
   0x53,         /* 146 KP_. */
   0x47,         /* 147 KP_HOME */
   0x48,         /* 148 KP_UP */
   0x49,         /* 149 KP_PgUp */
   0x4b,         /* 150 KP_Left */
   0x4c,         /* 151 KP_ */
   0x4d,         /* 152 KP_Right */
   0x4f,         /* 153 KP_End */
   0x50,         /* 154 KP_Down */
   0x51,         /* 155 KP_PgDn */
   0x52,         /* 156 KP_Ins */
   0x53,         /* 157 KP_Del */
};

static void sdl_process_key(SDL_KeyboardEvent *ev)
{
    int keycode, v;
    
    /* XXX: not portable, but avoids complicated mappings */
    keycode = ev->keysym.scancode;
    if (keycode < 9) {
        keycode = 0;
    } else if (keycode < 97) {
        keycode -= 8; /* just an offset */
    } else if (keycode < 158) {
        /* use conversion table */
        keycode = x_keycode_to_pc_keycode[keycode - 97];
    } else {
        keycode = 0;
    }
    
    /* now send the key code */
    while (keycode != 0) {
        v = keycode & 0xff;
        if (ev->type == SDL_KEYUP)
            v |= 0x80;
        kbd_put_keycode(v);
        keycode >>= 8;
    }
}

static void sdl_grab_start(void)
{
    SDL_WM_SetCaption("QEMU - Press Ctrl-Shift to exit grab", "QEMU");
    SDL_ShowCursor(0);
    SDL_WM_GrabInput(SDL_GRAB_ON);
    /* dummy read to avoid moving the mouse */
    SDL_GetRelativeMouseState(NULL, NULL);
    gui_grab = 1;
}

static void sdl_grab_end(void)
{
    SDL_WM_SetCaption("QEMU", "QEMU");
    SDL_WM_GrabInput(SDL_GRAB_OFF);
    SDL_ShowCursor(1);
    gui_grab = 0;
}

static void sdl_send_mouse_event(void)
{
    int dx, dy, dz, state, buttons;
    state = SDL_GetRelativeMouseState(&dx, &dy);
    buttons = 0;
    if (state & SDL_BUTTON(SDL_BUTTON_LEFT))
        buttons |= MOUSE_EVENT_LBUTTON;
    if (state & SDL_BUTTON(SDL_BUTTON_RIGHT))
        buttons |= MOUSE_EVENT_RBUTTON;
    if (state & SDL_BUTTON(SDL_BUTTON_MIDDLE))
        buttons |= MOUSE_EVENT_MBUTTON;
    /* XXX: test wheel */
    dz = 0;
    if (state & SDL_BUTTON(SDL_BUTTON_WHEELUP))
        dz--;
    if (state & SDL_BUTTON(SDL_BUTTON_WHEELDOWN))
        dz++;
    kbd_mouse_event(dx, dy, dz, buttons);
}

static void sdl_refresh(DisplayState *ds)
{
    SDL_Event ev1, *ev = &ev1;

    vga_update_display();
    while (SDL_PollEvent(ev)) {
        switch (ev->type) {
        case SDL_VIDEOEXPOSE:
            sdl_update(ds, 0, 0, screen->w, screen->h);
            break;
        case SDL_KEYDOWN:
        case SDL_KEYUP:
            if (ev->type == SDL_KEYDOWN) {
                if ((SDL_GetModState() & (KMOD_LSHIFT | KMOD_LCTRL)) ==
                    (KMOD_LSHIFT | KMOD_LCTRL)) {
                    /* exit/enter grab if pressing Ctrl-Shift */
                    if (!gui_grab)
                        sdl_grab_start();
                    else
                        sdl_grab_end();
                }
            }
            sdl_process_key(&ev->key);
            break;
        case SDL_QUIT:
            reset_requested = 1;
            break;
        case SDL_MOUSEMOTION:
            if (gui_grab) {
                sdl_send_mouse_event();
            }
            break;
        case SDL_MOUSEBUTTONDOWN:
        case SDL_MOUSEBUTTONUP:
            {
                SDL_MouseButtonEvent *bev = &ev->button;
                if (!gui_grab) {
                    if (ev->type == SDL_MOUSEBUTTONDOWN &&
                        (bev->state & SDL_BUTTON_LMASK)) {
                        /* start grabbing all events */
                        sdl_grab_start();
                    }
                } else {
                    sdl_send_mouse_event();
                }
            }
            break;
        default:
            break;
        }
    }
}

void sdl_display_init(DisplayState *ds)
{
    int flags;

    flags = SDL_INIT_VIDEO | SDL_INIT_NOPARACHUTE;
    if (SDL_Init (flags)) {
        fprintf(stderr, "Could not initialize SDL - exiting\n");
        exit(1);
    }
    ds->dpy_update = sdl_update;
    ds->dpy_resize = sdl_resize;
    ds->dpy_refresh = sdl_refresh;

    sdl_resize(ds, 640, 400);
    SDL_WM_SetCaption("QEMU", "QEMU");
    SDL_EnableKeyRepeat(250, 50);
    gui_grab = 0;
}
Commit	Line	Data
0f0b7264 FB	1	/*
	2	* QEMU SDL display driver
	3	*
	4	* Copyright (c) 2003 Fabrice Bellard
	5	*
	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:
	12	*
	13	* The above copyright notice and this permission notice shall be included in
	14	* all copies or substantial portions of the Software.
	15	*
	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
	22	* THE SOFTWARE.
	23	*/
	24	#include <stdlib.h>
	25	#include <stdio.h>
	26	#include <stdarg.h>
	27	#include <string.h>
	28	#include <getopt.h>
	29	#include <inttypes.h>
	30	#include <unistd.h>
	31	#include <sys/mman.h>
	32	#include <fcntl.h>
	33	#include <signal.h>
	34	#include <time.h>
	35	#include <sys/time.h>
	36	#include <malloc.h>
	37	#include <termios.h>
	38	#include <sys/poll.h>
	39	#include <errno.h>
	40	#include <sys/wait.h>
	41	#include <netinet/in.h>
	42
	43	#include <SDL.h>
	44
	45	#include "cpu-i386.h"
	46	#include "exec.h"
	47
	48	#include "vl.h"
	49
	50	static SDL_Surface *screen;
	51	static int gui_grab; /* if true, all keyboard/mouse events are grabbed */
	52
	53	static void sdl_update(DisplayState *ds, int x, int y, int w, int h)
	54	{
	55	SDL_UpdateRect(screen, x, y, w, h);
	56	}
	57
	58	static void sdl_resize(DisplayState *ds, int w, int h)
	59	{
	60	int flags;
	61
	62	// printf("resizing to %d %d\n", w, h);
	63
	64	flags = SDL_HWSURFACE\|SDL_ASYNCBLIT\|SDL_HWACCEL;
65	flags \|= SDL_RESIZABLE;
66	screen = SDL_SetVideoMode(w, h, 0, flags);
67	if (!screen) {
68	fprintf(stderr, "Could not open SDL display\n");
69	exit(1);
70	}
71	ds->data = screen->pixels;
72	ds->linesize = screen->pitch;
73	ds->depth = screen->format->BitsPerPixel;
74	}
75
76	static const uint32_t x_keycode_to_pc_keycode[61] = {
77	0x47e0, /* 97 Home */
78	0x48e0, /* 98 Up */
79	0x49e0, /* 99 PgUp */
80	0x4be0, /* 100 Left */
81	0x4c, /* 101 KP-5 */
82	0x4de0, /* 102 Right */
83	0x4fe0, /* 103 End */
84	0x50e0, /* 104 Down */
85	0x51e0, /* 105 PgDn */
86	0x52e0, /* 106 Ins */
87	0x53e0, /* 107 Del */
88	0x1ce0, /* 108 Enter */
89	0x1de0, /* 109 Ctrl-R */
90	0x451de1, /* 110 Pause */
91	0x37e0, /* 111 Print */
92	0x35e0, /* 112 Divide */
93	0x38e0, /* 113 Alt-R */
94	0x46e0, /* 114 Break */
95	0x0, /* 115 */
96	0x0, /* 116 */
97	0x0, /* 117 */
98	0x0, /* 118 */
99	0x0, /* 119 */
100	0x0, /* 120 */
101	0x0, /* 121 */
102	0x0, /* 122 */
103	0x0, /* 123 */
104	0x0, /* 124 */
105	0x0, /* 125 */
106	0x0, /* 126 */
107	0x0, /* 127 */
108	0x0, /* 128 */
109	0x0, /* 129 */
110	0x0, /* 130 */
111	0x0, /* 131 */
112	0x0, /* 132 */
113	0x0, /* 133 */
114	0x0, /* 134 */
115	0x0, /* 135 */
116	0x47, /* 136 KP_7 */
117	0x48, /* 137 KP_8 */
118	0x49, /* 138 KP_9 */
119	0x4b, /* 139 KP_4 */
120	0x4c, /* 140 KP_5 */
121	0x4d, /* 141 KP_6 */
122	0x4f, /* 142 KP_1 */
123	0x50, /* 143 KP_2 */
124	0x51, /* 144 KP_3 */
125	0x52, /* 145 KP_0 */
126	0x53, /* 146 KP_. */
127	0x47, /* 147 KP_HOME */
128	0x48, /* 148 KP_UP */
129	0x49, /* 149 KP_PgUp */
130	0x4b, /* 150 KP_Left */
131	0x4c, /* 151 KP_ */
132	0x4d, /* 152 KP_Right */
133	0x4f, /* 153 KP_End */
134	0x50, /* 154 KP_Down */
135	0x51, /* 155 KP_PgDn */
136	0x52, /* 156 KP_Ins */
137	0x53, /* 157 KP_Del */
138	};
139
140	static void sdl_process_key(SDL_KeyboardEvent *ev)
141	{
142	int keycode, v;
143
144	/* XXX: not portable, but avoids complicated mappings */
145	keycode = ev->keysym.scancode;
146	if (keycode < 9) {
147	keycode = 0;
148	} else if (keycode < 97) {
149	keycode -= 8; /* just an offset */
150	} else if (keycode < 158) {
151	/* use conversion table */
152	keycode = x_keycode_to_pc_keycode[keycode - 97];
153	} else {
154	keycode = 0;
155	}
156
157	/* now send the key code */
158	while (keycode != 0) {
159	v = keycode & 0xff;
160	if (ev->type == SDL_KEYUP)
161	v \|= 0x80;
162	kbd_put_keycode(v);
163	keycode >>= 8;
164	}
165	}
166
167	static void sdl_grab_start(void)
168	{
169	SDL_WM_SetCaption("QEMU - Press Ctrl-Shift to exit grab", "QEMU");
170	SDL_ShowCursor(0);
171	SDL_WM_GrabInput(SDL_GRAB_ON);
172	/* dummy read to avoid moving the mouse */
173	SDL_GetRelativeMouseState(NULL, NULL);
174	gui_grab = 1;
175	}
176
177	static void sdl_grab_end(void)
178	{
179	SDL_WM_SetCaption("QEMU", "QEMU");
180	SDL_WM_GrabInput(SDL_GRAB_OFF);
181	SDL_ShowCursor(1);
182	gui_grab = 0;
183	}
184
185	static void sdl_send_mouse_event(void)
186	{
187	int dx, dy, dz, state, buttons;
188	state = SDL_GetRelativeMouseState(&dx, &dy);
189	buttons = 0;
190	if (state & SDL_BUTTON(SDL_BUTTON_LEFT))
191	buttons \|= MOUSE_EVENT_LBUTTON;
192	if (state & SDL_BUTTON(SDL_BUTTON_RIGHT))
193	buttons \|= MOUSE_EVENT_RBUTTON;
194	if (state & SDL_BUTTON(SDL_BUTTON_MIDDLE))
195	buttons \|= MOUSE_EVENT_MBUTTON;
196	/* XXX: test wheel */
197	dz = 0;
198	if (state & SDL_BUTTON(SDL_BUTTON_WHEELUP))
199	dz--;
200	if (state & SDL_BUTTON(SDL_BUTTON_WHEELDOWN))
201	dz++;
202	kbd_mouse_event(dx, dy, dz, buttons);
203	}
204
205	static void sdl_refresh(DisplayState *ds)
206	{
207	SDL_Event ev1, *ev = &ev1;
208
209	vga_update_display();
210	while (SDL_PollEvent(ev)) {
211	switch (ev->type) {
212	case SDL_VIDEOEXPOSE:
213	sdl_update(ds, 0, 0, screen->w, screen->h);
214	break;
215	case SDL_KEYDOWN:
216	case SDL_KEYUP:
217	if (ev->type == SDL_KEYDOWN) {
218	if ((SDL_GetModState() & (KMOD_LSHIFT \| KMOD_LCTRL)) ==
219	(KMOD_LSHIFT \| KMOD_LCTRL)) {
220	/* exit/enter grab if pressing Ctrl-Shift */
221	if (!gui_grab)
222	sdl_grab_start();
223	else
224	sdl_grab_end();
225	}
226	}
227	sdl_process_key(&ev->key);
228	break;
229	case SDL_QUIT:
230	reset_requested = 1;
231	break;
232	case SDL_MOUSEMOTION:
233	if (gui_grab) {
234	sdl_send_mouse_event();
235	}
236	break;
237	case SDL_MOUSEBUTTONDOWN:
238	case SDL_MOUSEBUTTONUP:
239	{
240	SDL_MouseButtonEvent *bev = &ev->button;
241	if (!gui_grab) {
242	if (ev->type == SDL_MOUSEBUTTONDOWN &&
243	(bev->state & SDL_BUTTON_LMASK)) {
244	/* start grabbing all events */
245	sdl_grab_start();
246	}
247	} else {
248	sdl_send_mouse_event();
249	}
250	}
251	break;
252	default:
253	break;
254	}
255	}
256	}
257
258	void sdl_display_init(DisplayState *ds)
259	{
260	int flags;
261
262	flags = SDL_INIT_VIDEO \| SDL_INIT_NOPARACHUTE;
263	if (SDL_Init (flags)) {
264	fprintf(stderr, "Could not initialize SDL - exiting\n");
265	exit(1);
266	}
267	ds->dpy_update = sdl_update;
268	ds->dpy_resize = sdl_resize;
269	ds->dpy_refresh = sdl_refresh;
270
271	sdl_resize(ds, 640, 400);
272	SDL_WM_SetCaption("QEMU", "QEMU");
273	SDL_EnableKeyRepeat(250, 50);
274	gui_grab = 0;
275	}