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 */
42static keymap_t *vga_keymap = NULL;
43static SDLKey keymap[128];
44static SDL_keysym *TranslateKey(int scancode, SDL_keysym *keysym);
45
46static int posted = 0;
47static int oldx = -1;
48static int oldy = -1;
49static 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 */
56int 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
72static 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
90int 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
99static 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
133void VGL_PumpEvents(_THIS)
134{
135	do {
136		posted = 0;
137		handle_keyboard(this);
138		handle_mouse(this);
139	} while (posted != 0);
140}
141
142void 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
268static 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