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1 /*
2     SDL - Simple DirectMedia Layer
3     Copyright (C) 1997-2012 Sam Lantinga
4 
5     This library is free software; you can redistribute it and/or
6     modify it under the terms of the GNU Lesser General Public
7     License as published by the Free Software Foundation; either
8     version 2.1 of the License, or (at your option) any later version.
9 
10     This library is distributed in the hope that it will be useful,
11     but WITHOUT ANY WARRANTY; without even the implied warranty of
12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
13     Lesser General Public License for more details.
14 
15     You should have received a copy of the GNU Lesser General Public
16     License along with this library; if not, write to the Free Software
17     Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
18 
19     Sam Lantinga
20     slouken@libsdl.org
21 */
22 #include "SDL_config.h"
23 
24 /* Handle the event stream, converting X11 events into SDL events */
25 
26 #include <stdio.h>
27 
28 #include <sys/fbio.h>
29 #include <sys/consio.h>
30 #include <sys/kbio.h>
31 #include <vgl.h>
32 
33 #include "SDL.h"
34 #include "SDL_thread.h"
35 #include "../../events/SDL_sysevents.h"
36 #include "../../events/SDL_events_c.h"
37 #include "SDL_vglvideo.h"
38 #include "SDL_vglevents_c.h"
39 
40 /* The translation tables from a console scancode to a SDL keysym */
41 /* FIXME: Free the keymap when we shut down the video mode */
42 static keymap_t *vga_keymap = NULL;
43 static SDLKey keymap[128];
44 static SDL_keysym *TranslateKey(int scancode, SDL_keysym *keysym);
45 
46 static int posted = 0;
47 static int oldx = -1;
48 static int oldy = -1;
49 static struct mouse_info mouseinfo;
50 
51 /* Ugh, we have to duplicate the kernel's keysym mapping code...
52    Oh, it's not so bad. :-)
53 
54    FIXME: Add keyboard LED handling code
55  */
VGL_initkeymaps(int fd)56 int VGL_initkeymaps(int fd)
57 {
58 	vga_keymap = SDL_malloc(sizeof(keymap_t));
59 	if ( ! vga_keymap ) {
60 		SDL_OutOfMemory();
61 		return(-1);
62 	}
63 	if (ioctl(fd, GIO_KEYMAP, vga_keymap) == -1) {
64 		SDL_free(vga_keymap);
65 		vga_keymap = NULL;
66 		SDL_SetError("Unable to get keyboard map");
67 		return(-1);
68 	}
69 	return(0);
70 }
71 
handle_keyboard(_THIS)72 static void handle_keyboard(_THIS)
73 {
74 	SDL_keysym keysym;
75 	int c, pressed, scancode;
76 
77 	while ((c = VGLKeyboardGetCh()) != 0) {
78 		scancode = c & 0x7F;
79                 if (c & 0x80) {
80                         pressed = SDL_RELEASED;
81                 } else {
82                         pressed = SDL_PRESSED;
83                 }
84 
85 		posted += SDL_PrivateKeyboard(pressed,
86 				 TranslateKey(scancode, &keysym));
87 	}
88 }
89 
VGL_initmouse(int fd)90 int VGL_initmouse(int fd)
91 {
92 	mouseinfo.operation = MOUSE_GETINFO;
93 	if (ioctl(fd, CONS_MOUSECTL, &mouseinfo) != 0)
94 		return -1;
95 
96 	return 0;
97 }
98 
handle_mouse(_THIS)99 static void handle_mouse(_THIS)
100 {
101 	char buttons;
102 	int x, y;
103 	int button_state, state_changed, state;
104 	int i;
105 
106 	ioctl(0, CONS_MOUSECTL, &mouseinfo);
107 	x = mouseinfo.u.data.x;
108 	y = mouseinfo.u.data.y;
109 	buttons = mouseinfo.u.data.buttons;
110 
111 	if ((x != oldx) || (y != oldy)) {
112 		posted += SDL_PrivateMouseMotion(0, 0, x, y);
113 		oldx = x;
114 		oldy = y;
115 	}
116 
117 	/* See what's changed */
118 	button_state = SDL_GetMouseState(NULL, NULL);
119 	state_changed = button_state ^ buttons;
120 	for (i = 0; i < 8; i++) {
121 		if (state_changed & (1<<i)) {
122 			if (buttons & (1<<i)) {
123 				state = SDL_PRESSED;
124 			} else {
125 				state = SDL_RELEASED;
126 			}
127 			posted += SDL_PrivateMouseButton(state, i + 1, 0, 0);
128 		}
129 	}
130 }
131 
132 
VGL_PumpEvents(_THIS)133 void VGL_PumpEvents(_THIS)
134 {
135 	do {
136 		posted = 0;
137 		handle_keyboard(this);
138 		handle_mouse(this);
139 	} while (posted != 0);
140 }
141 
VGL_InitOSKeymap(_THIS)142 void VGL_InitOSKeymap(_THIS)
143 {
144 	int i;
145 
146 	/* Initialize the BeOS key translation table */
147 	for ( i=0; i<SDL_arraysize(keymap); ++i )
148 		keymap[i] = SDLK_UNKNOWN;
149 
150 	keymap[SCANCODE_ESCAPE] = SDLK_ESCAPE;
151 	keymap[SCANCODE_1] = SDLK_1;
152 	keymap[SCANCODE_2] = SDLK_2;
153 	keymap[SCANCODE_3] = SDLK_3;
154 	keymap[SCANCODE_4] = SDLK_4;
155 	keymap[SCANCODE_5] = SDLK_5;
156 	keymap[SCANCODE_6] = SDLK_6;
157 	keymap[SCANCODE_7] = SDLK_7;
158 	keymap[SCANCODE_8] = SDLK_8;
159 	keymap[SCANCODE_9] = SDLK_9;
160 	keymap[SCANCODE_0] = SDLK_0;
161 	keymap[SCANCODE_MINUS] = SDLK_MINUS;
162 	keymap[SCANCODE_EQUAL] = SDLK_EQUALS;
163 	keymap[SCANCODE_BACKSPACE] = SDLK_BACKSPACE;
164 	keymap[SCANCODE_TAB] = SDLK_TAB;
165 	keymap[SCANCODE_Q] = SDLK_q;
166 	keymap[SCANCODE_W] = SDLK_w;
167 	keymap[SCANCODE_E] = SDLK_e;
168 	keymap[SCANCODE_R] = SDLK_r;
169 	keymap[SCANCODE_T] = SDLK_t;
170 	keymap[SCANCODE_Y] = SDLK_y;
171 	keymap[SCANCODE_U] = SDLK_u;
172 	keymap[SCANCODE_I] = SDLK_i;
173 	keymap[SCANCODE_O] = SDLK_o;
174 	keymap[SCANCODE_P] = SDLK_p;
175 	keymap[SCANCODE_BRACKET_LEFT] = SDLK_LEFTBRACKET;
176 	keymap[SCANCODE_BRACKET_RIGHT] = SDLK_RIGHTBRACKET;
177 	keymap[SCANCODE_ENTER] = SDLK_RETURN;
178 	keymap[SCANCODE_LEFTCONTROL] = SDLK_LCTRL;
179 	keymap[SCANCODE_A] = SDLK_a;
180 	keymap[SCANCODE_S] = SDLK_s;
181 	keymap[SCANCODE_D] = SDLK_d;
182 	keymap[SCANCODE_F] = SDLK_f;
183 	keymap[SCANCODE_G] = SDLK_g;
184 	keymap[SCANCODE_H] = SDLK_h;
185 	keymap[SCANCODE_J] = SDLK_j;
186 	keymap[SCANCODE_K] = SDLK_k;
187 	keymap[SCANCODE_L] = SDLK_l;
188 	keymap[SCANCODE_SEMICOLON] = SDLK_SEMICOLON;
189 	keymap[SCANCODE_APOSTROPHE] = SDLK_QUOTE;
190 	keymap[SCANCODE_GRAVE] = SDLK_BACKQUOTE;
191 	keymap[SCANCODE_LEFTSHIFT] = SDLK_LSHIFT;
192 	keymap[SCANCODE_BACKSLASH] = SDLK_BACKSLASH;
193 	keymap[SCANCODE_Z] = SDLK_z;
194 	keymap[SCANCODE_X] = SDLK_x;
195 	keymap[SCANCODE_C] = SDLK_c;
196 	keymap[SCANCODE_V] = SDLK_v;
197 	keymap[SCANCODE_B] = SDLK_b;
198 	keymap[SCANCODE_N] = SDLK_n;
199 	keymap[SCANCODE_M] = SDLK_m;
200 	keymap[SCANCODE_COMMA] = SDLK_COMMA;
201 	keymap[SCANCODE_PERIOD] = SDLK_PERIOD;
202 	keymap[SCANCODE_SLASH] = SDLK_SLASH;
203 	keymap[SCANCODE_RIGHTSHIFT] = SDLK_RSHIFT;
204 	keymap[SCANCODE_KEYPADMULTIPLY] = SDLK_KP_MULTIPLY;
205 	keymap[SCANCODE_LEFTALT] = SDLK_LALT;
206 	keymap[SCANCODE_SPACE] = SDLK_SPACE;
207 	keymap[SCANCODE_CAPSLOCK] = SDLK_CAPSLOCK;
208 	keymap[SCANCODE_F1] = SDLK_F1;
209 	keymap[SCANCODE_F2] = SDLK_F2;
210 	keymap[SCANCODE_F3] = SDLK_F3;
211 	keymap[SCANCODE_F4] = SDLK_F4;
212 	keymap[SCANCODE_F5] = SDLK_F5;
213 	keymap[SCANCODE_F6] = SDLK_F6;
214 	keymap[SCANCODE_F7] = SDLK_F7;
215 	keymap[SCANCODE_F8] = SDLK_F8;
216 	keymap[SCANCODE_F9] = SDLK_F9;
217 	keymap[SCANCODE_F10] = SDLK_F10;
218 	keymap[SCANCODE_NUMLOCK] = SDLK_NUMLOCK;
219 	keymap[SCANCODE_SCROLLLOCK] = SDLK_SCROLLOCK;
220 	keymap[SCANCODE_KEYPAD7] = SDLK_KP7;
221 	keymap[SCANCODE_CURSORUPLEFT] = SDLK_KP7;
222 	keymap[SCANCODE_KEYPAD8] = SDLK_KP8;
223 	keymap[SCANCODE_CURSORUP] = SDLK_KP8;
224 	keymap[SCANCODE_KEYPAD9] = SDLK_KP9;
225 	keymap[SCANCODE_CURSORUPRIGHT] = SDLK_KP9;
226 	keymap[SCANCODE_KEYPADMINUS] = SDLK_KP_MINUS;
227 	keymap[SCANCODE_KEYPAD4] = SDLK_KP4;
228 	keymap[SCANCODE_CURSORLEFT] = SDLK_KP4;
229 	keymap[SCANCODE_KEYPAD5] = SDLK_KP5;
230 	keymap[SCANCODE_KEYPAD6] = SDLK_KP6;
231 	keymap[SCANCODE_CURSORRIGHT] = SDLK_KP6;
232 	keymap[SCANCODE_KEYPADPLUS] = SDLK_KP_PLUS;
233 	keymap[SCANCODE_KEYPAD1] = SDLK_KP1;
234 	keymap[SCANCODE_CURSORDOWNLEFT] = SDLK_KP1;
235 	keymap[SCANCODE_KEYPAD2] = SDLK_KP2;
236 	keymap[SCANCODE_CURSORDOWN] = SDLK_KP2;
237 	keymap[SCANCODE_KEYPAD3] = SDLK_KP3;
238 	keymap[SCANCODE_CURSORDOWNRIGHT] = SDLK_KP3;
239 	keymap[SCANCODE_KEYPAD0] = SDLK_KP0;
240 	keymap[SCANCODE_KEYPADPERIOD] = SDLK_KP_PERIOD;
241 	keymap[SCANCODE_LESS] = SDLK_LESS;
242 	keymap[SCANCODE_F11] = SDLK_F11;
243 	keymap[SCANCODE_F12] = SDLK_F12;
244 	keymap[SCANCODE_KEYPADENTER] = SDLK_KP_ENTER;
245 	keymap[SCANCODE_RIGHTCONTROL] = SDLK_RCTRL;
246 	keymap[SCANCODE_CONTROL] = SDLK_RCTRL;
247 	keymap[SCANCODE_KEYPADDIVIDE] = SDLK_KP_DIVIDE;
248 	keymap[SCANCODE_PRINTSCREEN] = SDLK_PRINT;
249 	keymap[SCANCODE_RIGHTALT] = SDLK_RALT;
250 	keymap[SCANCODE_BREAK] = SDLK_BREAK;
251 	keymap[SCANCODE_BREAK_ALTERNATIVE] = SDLK_UNKNOWN;
252 	keymap[SCANCODE_HOME] = SDLK_HOME;
253 	keymap[SCANCODE_CURSORBLOCKUP] = SDLK_UP;
254 	keymap[SCANCODE_PAGEUP] = SDLK_PAGEUP;
255 	keymap[SCANCODE_CURSORBLOCKLEFT] = SDLK_LEFT;
256 	keymap[SCANCODE_CURSORBLOCKRIGHT] = SDLK_RIGHT;
257 	keymap[SCANCODE_END] = SDLK_END;
258 	keymap[SCANCODE_CURSORBLOCKDOWN] = SDLK_DOWN;
259 	keymap[SCANCODE_PAGEDOWN] = SDLK_PAGEDOWN;
260 	keymap[SCANCODE_INSERT] = SDLK_INSERT;
261 	keymap[SCANCODE_REMOVE] = SDLK_DELETE;
262 	keymap[119] = SDLK_PAUSE;
263 	keymap[SCANCODE_RIGHTWIN] = SDLK_RSUPER;
264 	keymap[SCANCODE_LEFTWIN] = SDLK_LSUPER;
265 	keymap[127] = SDLK_MENU;
266 }
267 
TranslateKey(int scancode,SDL_keysym * keysym)268 static SDL_keysym *TranslateKey(int scancode, SDL_keysym *keysym)
269 {
270 	/* Set the keysym information */
271 	keysym->scancode = scancode;
272 	keysym->sym = keymap[scancode];
273 	keysym->mod = KMOD_NONE;
274 
275 	/* If UNICODE is on, get the UNICODE value for the key */
276 	keysym->unicode = 0;
277 	if ( SDL_TranslateUNICODE && vga_keymap ) {
278 		int map;
279 		SDLMod modstate;
280 
281 		modstate = SDL_GetModState();
282 		map = 0;
283 		if ( modstate & KMOD_SHIFT ) {
284 			map += 1;
285 		}
286 		if ( modstate & KMOD_CTRL ) {
287 			map += 2;
288 		}
289 		if ( modstate & KMOD_ALT ) {
290 			map += 4;
291 		}
292 		if ( !(vga_keymap->key[scancode].spcl & (0x80 >> map)) ) {
293 			keysym->unicode = vga_keymap->key[scancode].map[map];
294 		}
295 
296 	}
297 	return(keysym);
298 }
299 
300