| 1 | /* |
| 2 | SDL - Simple DirectMedia Layer |
| 3 | Copyright (C) 1997-2009 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 | /* |
| 25 | * Atari keyboard events manager, using hardware IKBD |
| 26 | * |
| 27 | * Patrice Mandin |
| 28 | */ |
| 29 | |
| 30 | /* Mint includes */ |
| 31 | #include <mint/osbind.h> |
| 32 | |
| 33 | #include "../../events/SDL_sysevents.h" |
| 34 | #include "../../events/SDL_events_c.h" |
| 35 | |
| 36 | #include "SDL_atarikeys.h" |
| 37 | #include "SDL_atarievents_c.h" |
| 38 | #include "SDL_ikbdinterrupt_s.h" |
| 39 | |
| 40 | #define KEY_PRESSED 0xff |
| 41 | #define KEY_UNDEFINED 0x80 |
| 42 | #define KEY_RELEASED 0x00 |
| 43 | |
| 44 | static Uint16 atari_prevmouseb; /* save state of mouse buttons */ |
| 45 | |
| 46 | void AtariIkbd_InitOSKeymap(_THIS) |
| 47 | { |
| 48 | int i; |
| 49 | |
| 50 | SDL_memset(SDL_AtariIkbd_keyboard, KEY_UNDEFINED, sizeof(SDL_AtariIkbd_keyboard)); |
| 51 | |
| 52 | /* Now install our handler */ |
| 53 | SDL_AtariIkbd_mouseb = SDL_AtariIkbd_mousex = SDL_AtariIkbd_mousey = 0; |
| 54 | atari_prevmouseb = 0; |
| 55 | |
| 56 | Supexec(SDL_AtariIkbdInstall); |
| 57 | } |
| 58 | |
| 59 | static int atari_GetButton(int button) |
| 60 | { |
| 61 | switch(button) |
| 62 | { |
| 63 | case 0: |
| 64 | return SDL_BUTTON_RIGHT; |
| 65 | break; |
| 66 | case 1: |
| 67 | default: |
| 68 | return SDL_BUTTON_LEFT; |
| 69 | break; |
| 70 | } |
| 71 | } |
| 72 | |
| 73 | void AtariIkbd_PumpEvents(_THIS) |
| 74 | { |
| 75 | int i, specialkeys; |
| 76 | SDL_keysym keysym; |
| 77 | |
| 78 | /*--- Send keyboard events ---*/ |
| 79 | |
| 80 | for (i=0; i<ATARIBIOS_MAXKEYS; i++) { |
| 81 | /* Key pressed ? */ |
| 82 | if (SDL_AtariIkbd_keyboard[i]==KEY_PRESSED) { |
| 83 | SDL_PrivateKeyboard(SDL_PRESSED, |
| 84 | SDL_Atari_TranslateKey(i, &keysym, SDL_TRUE)); |
| 85 | SDL_AtariIkbd_keyboard[i]=KEY_UNDEFINED; |
| 86 | } |
| 87 | |
| 88 | /* Key released ? */ |
| 89 | if (SDL_AtariIkbd_keyboard[i]==KEY_RELEASED) { |
| 90 | SDL_PrivateKeyboard(SDL_RELEASED, |
| 91 | SDL_Atari_TranslateKey(i, &keysym, SDL_FALSE)); |
| 92 | SDL_AtariIkbd_keyboard[i]=KEY_UNDEFINED; |
| 93 | } |
| 94 | } |
| 95 | |
| 96 | /*--- Send mouse events ---*/ |
| 97 | |
| 98 | /* Mouse motion ? */ |
| 99 | if (SDL_AtariIkbd_mousex || SDL_AtariIkbd_mousey) { |
| 100 | SDL_PrivateMouseMotion(0, 1, SDL_AtariIkbd_mousex, SDL_AtariIkbd_mousey); |
| 101 | SDL_AtariIkbd_mousex = SDL_AtariIkbd_mousey = 0; |
| 102 | } |
| 103 | |
| 104 | /* Mouse button ? */ |
| 105 | if (SDL_AtariIkbd_mouseb != atari_prevmouseb) { |
| 106 | for (i=0;i<2;i++) { |
| 107 | int curbutton, prevbutton; |
| 108 | |
| 109 | curbutton = SDL_AtariIkbd_mouseb & (1<<i); |
| 110 | prevbutton = atari_prevmouseb & (1<<i); |
| 111 | |
| 112 | if (curbutton && !prevbutton) { |
| 113 | SDL_PrivateMouseButton(SDL_PRESSED, atari_GetButton(i), 0, 0); |
| 114 | } |
| 115 | if (!curbutton && prevbutton) { |
| 116 | SDL_PrivateMouseButton(SDL_RELEASED, atari_GetButton(i), 0, 0); |
| 117 | } |
| 118 | } |
| 119 | atari_prevmouseb = SDL_AtariIkbd_mouseb; |
| 120 | } |
| 121 | } |
| 122 | |
| 123 | void AtariIkbd_ShutdownEvents(void) |
| 124 | { |
| 125 | Supexec(SDL_AtariIkbdUninstall); |
| 126 | } |