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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 (at) libsdl.org
     21 */
     22 #include "SDL_config.h"
     23 
     24 /* Handle the event stream, converting GGI events into SDL events */
     25 
     26 #include <sys/types.h>
     27 #include <sys/time.h>
     28 #include <unistd.h>
     29 #include <fcntl.h>
     30 #include <termios.h>
     31 
     32 #include <ggi/keyboard.h>
     33 
     34 #include "SDL_ggikeys.h"
     35 
     36 #include "SDL.h"
     37 #include "../SDL_sysvideo.h"
     38 #include "../../events/SDL_sysevents.h"
     39 #include "../../events/SDL_events_c.h"
     40 #include "SDL_ggivideo.h"
     41 #include "SDL_ggievents_c.h"
     42 
     43 /* The translation tables from a GGI keycode to a SDL keysym */
     44 static SDLKey keymap[128];
     45 static SDL_keysym *GGI_TranslateKey(ggi_event *ev, SDL_keysym *keysym);
     46 
     47 static int posted = 0;
     48 
     49 void GGI_PumpEvents(_THIS)
     50 {
     51 	struct timeval *tvp, tv = { 0, 0 };
     52 	ggi_event ev;
     53 
     54 	tvp = &tv;
     55 
     56 /*	ggiFlush(VIS); */
     57 
     58 	while (ggiEventPoll(VIS, emAll, tvp))
     59 /*	while (ggiEventPoll(VIS, (emKeyboard | emPointer | emCommand), tvp)) */
     60 	{
     61 		int queueevent_mouse = 0, queueevent_kbd = 0;
     62 		static int buttons = 0;
     63 		static int mouse_x = 0, mouse_y = 0, mouse_z = 0;
     64 		int x = 0, y = 0, z = 0, rx = 0, ry = 0, rz = 0;
     65 		int pressed_mouse, pressed_kbd;
     66 		SDL_keysym keysym;
     67 
     68 		posted = 0;
     69 
     70 		/* FIXME: We do not actually want all events, only
     71 		 * mouse and keyboard events.  Having to handle all
     72                  * events will slow things down.  */
     73 
     74 		ggiEventRead(VIS, &ev, emAll);
     75 /*		ggiEventRead(VIS, &ev, (emKeyboard | emPointer | emCommand)); */
     76 
     77 		switch (ev.any.type)
     78 		{
     79 			case evPtrRelative:
     80 			x = ev.pmove.x;
     81 			y = ev.pmove.y;
     82 			z = ev.pmove.wheel;
     83 			posted += SDL_PrivateMouseMotion(0, 1, x, y);
     84 			break;
     85 			case evPtrAbsolute:
     86 			if (mouse_x != ev.pmove.x || mouse_y != ev.pmove.y || mouse_z != ev.pmove.wheel)
     87 			{
     88 				x = ev.pmove.x - mouse_x;
     89 				y = ev.pmove.y - mouse_y;
     90 				z = ev.pmove.wheel - mouse_z;
     91 				mouse_x = ev.pmove.x;
     92 				mouse_y = ev.pmove.y;
     93 				mouse_z = ev.pmove.wheel;
     94 				posted += SDL_PrivateMouseMotion(0, 1, x, y);
     95 			}
     96 			break;
     97 			case evPtrButtonPress:
     98 			posted += SDL_PrivateMouseButton(SDL_PRESSED, ev.pbutton.button, 0, 0);
     99 			break;
    100 			case evPtrButtonRelease:
    101 			posted += SDL_PrivateMouseButton(SDL_RELEASED, ev.pbutton.button, 0, 0);
    102 			break;
    103 			case evKeyPress:
    104 			case evKeyRepeat:
    105 			posted += SDL_PrivateKeyboard(SDL_PRESSED, GGI_TranslateKey(&ev, &keysym));
    106 			break;
    107 			case evKeyRelease:
    108 			posted += SDL_PrivateKeyboard(SDL_RELEASED, GGI_TranslateKey(&ev, &keysym));
    109 			break;
    110 			case evCommand:
    111 			fprintf(stderr, "Command event %x recieved\n", ev.cmd.code);
    112 			break;
    113  			default:
    114 			fprintf(stderr, "Unhandled event type %d\n", ev.any.type);
    115 			break;
    116 		}
    117 	}
    118 
    119 }
    120 
    121 void GGI_InitOSKeymap(_THIS)
    122 {
    123 	int i;
    124 
    125 	/* Initialize the GGI key translation table */
    126 	for ( i=0; i<SDL_arraysize(keymap); ++i )
    127 		keymap[i] = SDLK_UNKNOWN;
    128 
    129 	keymap[SCANCODE_ESCAPE] = SDLK_ESCAPE;
    130 	keymap[SCANCODE_1] = SDLK_1;
    131 	keymap[SCANCODE_2] = SDLK_2;
    132 	keymap[SCANCODE_3] = SDLK_3;
    133 	keymap[SCANCODE_4] = SDLK_4;
    134 	keymap[SCANCODE_5] = SDLK_5;
    135 	keymap[SCANCODE_6] = SDLK_6;
    136 	keymap[SCANCODE_7] = SDLK_7;
    137 	keymap[SCANCODE_8] = SDLK_8;
    138 	keymap[SCANCODE_9] = SDLK_9;
    139 	keymap[SCANCODE_0] = SDLK_0;
    140 	keymap[SCANCODE_MINUS] = SDLK_MINUS;
    141 	keymap[SCANCODE_EQUAL] = SDLK_EQUALS;
    142 	keymap[SCANCODE_BACKSPACE] = SDLK_BACKSPACE;
    143 	keymap[SCANCODE_TAB] = SDLK_TAB;
    144 	keymap[SCANCODE_Q] = SDLK_q;
    145 	keymap[SCANCODE_W] = SDLK_w;
    146 	keymap[SCANCODE_E] = SDLK_e;
    147 	keymap[SCANCODE_R] = SDLK_r;
    148 	keymap[SCANCODE_T] = SDLK_t;
    149 	keymap[SCANCODE_Y] = SDLK_y;
    150 	keymap[SCANCODE_U] = SDLK_u;
    151 	keymap[SCANCODE_I] = SDLK_i;
    152 	keymap[SCANCODE_O] = SDLK_o;
    153 	keymap[SCANCODE_P] = SDLK_p;
    154 	keymap[SCANCODE_BRACKET_LEFT] = SDLK_LEFTBRACKET;
    155 	keymap[SCANCODE_BRACKET_RIGHT] = SDLK_RIGHTBRACKET;
    156 	keymap[SCANCODE_ENTER] = SDLK_RETURN;
    157 	keymap[SCANCODE_LEFTCONTROL] = SDLK_LCTRL;
    158 	keymap[SCANCODE_A] = SDLK_a;
    159 	keymap[SCANCODE_S] = SDLK_s;
    160 	keymap[SCANCODE_D] = SDLK_d;
    161 	keymap[SCANCODE_F] = SDLK_f;
    162 	keymap[SCANCODE_G] = SDLK_g;
    163 	keymap[SCANCODE_H] = SDLK_h;
    164 	keymap[SCANCODE_J] = SDLK_j;
    165 	keymap[SCANCODE_K] = SDLK_k;
    166 	keymap[SCANCODE_L] = SDLK_l;
    167 	keymap[SCANCODE_SEMICOLON] = SDLK_SEMICOLON;
    168 	keymap[SCANCODE_APOSTROPHE] = SDLK_QUOTE;
    169 	keymap[SCANCODE_GRAVE] = SDLK_BACKQUOTE;
    170 	keymap[SCANCODE_LEFTSHIFT] = SDLK_LSHIFT;
    171 	keymap[SCANCODE_BACKSLASH] = SDLK_BACKSLASH;
    172 	keymap[SCANCODE_Z] = SDLK_z;
    173 	keymap[SCANCODE_X] = SDLK_x;
    174 	keymap[SCANCODE_C] = SDLK_c;
    175 	keymap[SCANCODE_V] = SDLK_v;
    176 	keymap[SCANCODE_B] = SDLK_b;
    177 	keymap[SCANCODE_N] = SDLK_n;
    178 	keymap[SCANCODE_M] = SDLK_m;
    179 	keymap[SCANCODE_COMMA] = SDLK_COMMA;
    180 	keymap[SCANCODE_PERIOD] = SDLK_PERIOD;
    181 	keymap[SCANCODE_SLASH] = SDLK_SLASH;
    182 	keymap[SCANCODE_RIGHTSHIFT] = SDLK_RSHIFT;
    183 	keymap[SCANCODE_KEYPADMULTIPLY] = SDLK_KP_MULTIPLY;
    184 	keymap[SCANCODE_LEFTALT] = SDLK_LALT;
    185 	keymap[SCANCODE_SPACE] = SDLK_SPACE;
    186 	keymap[SCANCODE_CAPSLOCK] = SDLK_CAPSLOCK;
    187 	keymap[SCANCODE_F1] = SDLK_F1;
    188 	keymap[SCANCODE_F2] = SDLK_F2;
    189 	keymap[SCANCODE_F3] = SDLK_F3;
    190 	keymap[SCANCODE_F4] = SDLK_F4;
    191 	keymap[SCANCODE_F5] = SDLK_F5;
    192 	keymap[SCANCODE_F6] = SDLK_F6;
    193 	keymap[SCANCODE_F7] = SDLK_F7;
    194 	keymap[SCANCODE_F8] = SDLK_F8;
    195 	keymap[SCANCODE_F9] = SDLK_F9;
    196 	keymap[SCANCODE_F10] = SDLK_F10;
    197 	keymap[SCANCODE_NUMLOCK] = SDLK_NUMLOCK;
    198 	keymap[SCANCODE_SCROLLLOCK] = SDLK_SCROLLOCK;
    199 	keymap[SCANCODE_KEYPAD7] = SDLK_KP7;
    200 	keymap[SCANCODE_CURSORUPLEFT] = SDLK_KP7;
    201 	keymap[SCANCODE_KEYPAD8] = SDLK_KP8;
    202 	keymap[SCANCODE_CURSORUP] = SDLK_KP8;
    203 	keymap[SCANCODE_KEYPAD9] = SDLK_KP9;
    204 	keymap[SCANCODE_CURSORUPRIGHT] = SDLK_KP9;
    205 	keymap[SCANCODE_KEYPADMINUS] = SDLK_KP_MINUS;
    206 	keymap[SCANCODE_KEYPAD4] = SDLK_KP4;
    207 	keymap[SCANCODE_CURSORLEFT] = SDLK_KP4;
    208 	keymap[SCANCODE_KEYPAD5] = SDLK_KP5;
    209 	keymap[SCANCODE_KEYPAD6] = SDLK_KP6;
    210 	keymap[SCANCODE_CURSORRIGHT] = SDLK_KP6;
    211 	keymap[SCANCODE_KEYPADPLUS] = SDLK_KP_PLUS;
    212 	keymap[SCANCODE_KEYPAD1] = SDLK_KP1;
    213 	keymap[SCANCODE_CURSORDOWNLEFT] = SDLK_KP1;
    214 	keymap[SCANCODE_KEYPAD2] = SDLK_KP2;
    215 	keymap[SCANCODE_CURSORDOWN] = SDLK_KP2;
    216 	keymap[SCANCODE_KEYPAD3] = SDLK_KP3;
    217 	keymap[SCANCODE_CURSORDOWNRIGHT] = SDLK_KP3;
    218 	keymap[SCANCODE_KEYPAD0] = SDLK_KP0;
    219 	keymap[SCANCODE_KEYPADPERIOD] = SDLK_KP_PERIOD;
    220 	keymap[SCANCODE_LESS] = SDLK_LESS;
    221 	keymap[SCANCODE_F11] = SDLK_F11;
    222 	keymap[SCANCODE_F12] = SDLK_F12;
    223 	keymap[SCANCODE_KEYPADENTER] = SDLK_KP_ENTER;
    224 	keymap[SCANCODE_RIGHTCONTROL] = SDLK_RCTRL;
    225 	keymap[SCANCODE_CONTROL] = SDLK_RCTRL;
    226 	keymap[SCANCODE_KEYPADDIVIDE] = SDLK_KP_DIVIDE;
    227 	keymap[SCANCODE_PRINTSCREEN] = SDLK_PRINT;
    228 	keymap[SCANCODE_RIGHTALT] = SDLK_RALT;
    229 	keymap[SCANCODE_BREAK] = SDLK_BREAK;
    230 	keymap[SCANCODE_BREAK_ALTERNATIVE] = SDLK_UNKNOWN;
    231 	keymap[SCANCODE_HOME] = SDLK_HOME;
    232 	keymap[SCANCODE_CURSORBLOCKUP] = SDLK_UP;
    233 	keymap[SCANCODE_PAGEUP] = SDLK_PAGEUP;
    234 	keymap[SCANCODE_CURSORBLOCKLEFT] = SDLK_LEFT;
    235 	keymap[SCANCODE_CURSORBLOCKRIGHT] = SDLK_RIGHT;
    236 	keymap[SCANCODE_END] = SDLK_END;
    237 	keymap[SCANCODE_CURSORBLOCKDOWN] = SDLK_DOWN;
    238 	keymap[SCANCODE_PAGEDOWN] = SDLK_PAGEDOWN;
    239 	keymap[SCANCODE_INSERT] = SDLK_INSERT;
    240 	keymap[SCANCODE_REMOVE] = SDLK_DELETE;
    241 	keymap[119] = SDLK_PAUSE;
    242 	keymap[SCANCODE_RIGHTWIN] = SDLK_RSUPER;
    243 	keymap[SCANCODE_LEFTWIN] = SDLK_LSUPER;
    244 	keymap[127] = SDLK_MENU;
    245 }
    246 
    247 
    248 
    249 static SDL_keysym *GGI_TranslateKey(gii_event *ev, SDL_keysym *keysym)
    250 {
    251 	/* Set the keysym information */
    252 	keysym->scancode = ev->key.button;
    253 	keysym->sym = keymap[ev->key.button];
    254 	keysym->mod = KMOD_NONE;
    255 
    256 	/* If UNICODE is on, get the UNICODE value for the key */
    257 	keysym->unicode = 0;
    258 	if (SDL_TranslateUNICODE)
    259 	{
    260 		keysym->unicode = GII_UNICODE(ev->key.sym);
    261 	}
    262 
    263 	return keysym;
    264 }
    265