src/video/directfb/SDL_DirectFB_events.c
author Sam Lantinga <slouken@libsdl.org>
Tue, 04 Sep 2001 22:53:46 +0000
changeset 167 cb384ef627f6
child 252 e8157fcb3114
permissions -rw-r--r--
Added support for DirectFB video on Linux (thanks Denis!)
     1 /*
     2 	SDL - Simple DirectMedia Layer
     3 	Copyright (C) 1997, 1998, 1999, 2000, 2001  Sam Lantinga
     4 
     5 	This library is free software; you can redistribute it and/or
     6 	modify it under the terms of the GNU Library General Public
     7 	License as published by the Free Software Foundation; either
     8 	version 2 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 	Library General Public License for more details.
    14 
    15 	You should have received a copy of the GNU Library General Public
    16 	License along with this library; if not, write to the Free
    17 	Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
    18 
    19 	Sam Lantinga
    20 	slouken@devolution.com
    21 */
    22 
    23 #ifdef SAVE_RCSID
    24 static char rcsid =
    25  "@(#) $Id$";
    26 #endif
    27 
    28 /* Handle the event stream, converting DirectFB input events into SDL events */
    29 
    30 #include <sys/types.h>
    31 #include <sys/time.h>
    32 #include <stdlib.h>
    33 #include <stdio.h>
    34 #include <unistd.h>
    35 #include <fcntl.h>
    36 #include <termios.h>
    37 
    38 #include <directfb.h>
    39 
    40 #include "SDL.h"
    41 #include "SDL_sysevents.h"
    42 #include "SDL_sysvideo.h"
    43 #include "SDL_events_c.h"
    44 #include "SDL_DirectFB_video.h"
    45 #include "SDL_DirectFB_events.h"
    46 
    47 /* The translation tables from a DirectFB keycode to a SDL keysym */
    48 static SDLKey keymap[256];
    49 static SDL_keysym *DirectFB_TranslateKey (DFBInputEvent *ev, SDL_keysym *keysym);
    50 static int DirectFB_TranslateButton (DFBInputEvent *ev);
    51 
    52 static int posted = 0;
    53 
    54 
    55 void DirectFB_PumpEvents (_THIS)
    56 {
    57   DFBInputEvent evt;
    58 
    59   while (HIDDEN->inputbuffer->GetEvent (HIDDEN->inputbuffer, &evt) == DFB_OK)
    60     {
    61       SDL_keysym keysym;
    62 
    63       switch (evt.type)
    64         {
    65         case DIET_BUTTONPRESS:
    66           posted += SDL_PrivateMouseButton(SDL_PRESSED,
    67                                            DirectFB_TranslateButton (&evt), 0, 0);
    68           break;
    69         case DIET_BUTTONRELEASE:
    70           posted += SDL_PrivateMouseButton(SDL_RELEASED,
    71                                            DirectFB_TranslateButton (&evt), 0, 0);
    72           break;
    73         case DIET_KEYPRESS:
    74           posted += SDL_PrivateKeyboard(SDL_PRESSED, DirectFB_TranslateKey(&evt, &keysym));
    75           break;
    76         case DIET_KEYRELEASE:
    77           posted += SDL_PrivateKeyboard(SDL_RELEASED, DirectFB_TranslateKey(&evt, &keysym));
    78           break;
    79         case DIET_AXISMOTION:
    80           if (evt.flags & DIEF_AXISREL)
    81             {
    82               if (evt.axis == DIAI_X)
    83                 posted += SDL_PrivateMouseMotion(0, 1, evt.axisrel, 0);
    84               else if (evt.axis == DIAI_Y)
    85                 posted += SDL_PrivateMouseMotion(0, 1, 0, evt.axisrel);
    86             }
    87           break;
    88         default:
    89           ;
    90         }
    91     }
    92 }
    93 
    94 void DirectFB_InitOSKeymap (_THIS)
    95 {
    96   int i;
    97 	
    98   /* Initialize the DirectFB key translation table */
    99   for (i=0; i<SDL_TABLESIZE(keymap); ++i)
   100     keymap[i] = SDLK_UNKNOWN;
   101 
   102   keymap[DIKC_A] = SDLK_a;
   103   keymap[DIKC_B] = SDLK_b;
   104   keymap[DIKC_C] = SDLK_c;
   105   keymap[DIKC_D] = SDLK_d;
   106   keymap[DIKC_E] = SDLK_e;
   107   keymap[DIKC_F] = SDLK_f;
   108   keymap[DIKC_G] = SDLK_g;
   109   keymap[DIKC_H] = SDLK_h;
   110   keymap[DIKC_I] = SDLK_i;
   111   keymap[DIKC_J] = SDLK_j;
   112   keymap[DIKC_K] = SDLK_k;
   113   keymap[DIKC_L] = SDLK_l;
   114   keymap[DIKC_M] = SDLK_m;
   115   keymap[DIKC_N] = SDLK_n;
   116   keymap[DIKC_O] = SDLK_o;
   117   keymap[DIKC_P] = SDLK_p;
   118   keymap[DIKC_Q] = SDLK_q;
   119   keymap[DIKC_R] = SDLK_r;
   120   keymap[DIKC_S] = SDLK_s;
   121   keymap[DIKC_T] = SDLK_t;
   122   keymap[DIKC_U] = SDLK_u;
   123   keymap[DIKC_V] = SDLK_v;
   124   keymap[DIKC_W] = SDLK_w;
   125   keymap[DIKC_X] = SDLK_x;
   126   keymap[DIKC_Y] = SDLK_y;
   127   keymap[DIKC_Z] = SDLK_z;
   128   
   129   keymap[DIKC_0] = SDLK_0;
   130   keymap[DIKC_1] = SDLK_1;
   131   keymap[DIKC_2] = SDLK_2;
   132   keymap[DIKC_3] = SDLK_3;
   133   keymap[DIKC_4] = SDLK_4;
   134   keymap[DIKC_5] = SDLK_5;
   135   keymap[DIKC_6] = SDLK_6;
   136   keymap[DIKC_7] = SDLK_7;
   137   keymap[DIKC_8] = SDLK_8;
   138   keymap[DIKC_9] = SDLK_9;
   139   
   140   keymap[DIKC_F1] = SDLK_F1;
   141   keymap[DIKC_F2] = SDLK_F2;
   142   keymap[DIKC_F3] = SDLK_F3;
   143   keymap[DIKC_F4] = SDLK_F4;
   144   keymap[DIKC_F5] = SDLK_F5;
   145   keymap[DIKC_F6] = SDLK_F6;
   146   keymap[DIKC_F7] = SDLK_F7;
   147   keymap[DIKC_F8] = SDLK_F8;
   148   keymap[DIKC_F9] = SDLK_F9;
   149   keymap[DIKC_F10] = SDLK_F10;
   150   keymap[DIKC_F11] = SDLK_F11;
   151   keymap[DIKC_F12] = SDLK_F12;
   152   
   153   keymap[DIKC_ESCAPE] = SDLK_ESCAPE;
   154   keymap[DIKC_LEFT] = SDLK_LEFT;
   155   keymap[DIKC_RIGHT] = SDLK_RIGHT;
   156   keymap[DIKC_UP] = SDLK_UP;
   157   keymap[DIKC_DOWN] = SDLK_DOWN;
   158   keymap[DIKC_CTRL] = SDLK_LCTRL;
   159   keymap[DIKC_SHIFT] = SDLK_LSHIFT;
   160   keymap[DIKC_ALT] = SDLK_LALT;
   161   keymap[DIKC_ALTGR] = SDLK_RALT;
   162   keymap[DIKC_TAB] = SDLK_TAB;
   163   keymap[DIKC_ENTER] = SDLK_RETURN;
   164   keymap[DIKC_SPACE] = SDLK_SPACE;
   165   keymap[DIKC_BACKSPACE] = SDLK_BACKSPACE;
   166   keymap[DIKC_INSERT] = SDLK_INSERT;
   167   keymap[DIKC_DELETE] = SDLK_DELETE;
   168   keymap[DIKC_HOME] = SDLK_HOME;
   169   keymap[DIKC_END] = SDLK_END;
   170   keymap[DIKC_PAGEUP] = SDLK_PAGEUP;
   171   keymap[DIKC_PAGEDOWN] = SDLK_PAGEDOWN;
   172   keymap[DIKC_CAPSLOCK] = SDLK_CAPSLOCK;
   173   keymap[DIKC_NUMLOCK] = SDLK_NUMLOCK;
   174   keymap[DIKC_SCRLOCK] = SDLK_SCROLLOCK;
   175   keymap[DIKC_PRINT] = SDLK_PRINT;
   176   keymap[DIKC_PAUSE] = SDLK_PAUSE;
   177   keymap[DIKC_KP_DIV] = SDLK_KP_DIVIDE;
   178   keymap[DIKC_KP_MULT] = SDLK_KP_MULTIPLY;
   179   keymap[DIKC_KP_MINUS] = SDLK_KP_MINUS;
   180   keymap[DIKC_KP_PLUS] = SDLK_KP_PLUS;
   181   keymap[DIKC_KP_ENTER] = SDLK_KP_ENTER;
   182   
   183   keymap[DIKC_OK] = SDLK_RETURN;
   184   keymap[DIKC_CANCEL] = SDLK_BREAK;
   185   keymap[DIKC_CLEAR] = SDLK_DELETE;
   186   keymap[DIKC_POWER] = SDLK_POWER;
   187   keymap[DIKC_POWER2] = SDLK_POWER;
   188   keymap[DIKC_MENU] = SDLK_MENU;
   189   keymap[DIKC_HELP] = SDLK_HELP;
   190   keymap[DIKC_BACK] = SDLK_ESCAPE;
   191 }
   192 
   193 
   194 static SDL_keysym *DirectFB_TranslateKey (DFBInputEvent *ev, SDL_keysym *keysym)
   195 {
   196   /* Set the keysym information */
   197   keysym->scancode = ev->keycode;
   198   keysym->mod = KMOD_NONE;
   199   keysym->unicode = 0;
   200 
   201   if (ev->key_ascii > 0 && ev->key_ascii < 128)
   202     keysym->sym = ev->key_ascii;
   203   else
   204     keysym->sym = keymap[ev->keycode];
   205 
   206   return keysym;
   207 }
   208 
   209 static int DirectFB_TranslateButton (DFBInputEvent *ev)
   210 {
   211   switch (ev->button)
   212     {
   213     case DIBI_LEFT:
   214       return 1;
   215     case DIBI_MIDDLE:
   216       return 2;
   217     case DIBI_RIGHT:
   218       return 3;
   219     default:
   220       return 0;
   221     }
   222 }