| /* |
| SDL - Simple DirectMedia Layer |
| Copyright (C) 1997-2012 Sam Lantinga |
| |
| This library is free software; you can redistribute it and/or |
| modify it under the terms of the GNU Lesser General Public |
| License as published by the Free Software Foundation; either |
| version 2.1 of the License, or (at your option) any later version. |
| |
| This library is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| Lesser General Public License for more details. |
| |
| You should have received a copy of the GNU Lesser General Public |
| License along with this library; if not, write to the Free Software |
| Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| |
| Sam Lantinga |
| slouken@libsdl.org |
| */ |
| #include "SDL_config.h" |
| |
| /* |
| * Atari keyboard events manager, using Gemdos |
| * |
| * Patrice Mandin |
| */ |
| |
| /* Mint includes */ |
| #include <mint/osbind.h> |
| #include <mint/cookie.h> |
| |
| #include "../../events/SDL_sysevents.h" |
| #include "../../events/SDL_events_c.h" |
| |
| #include "SDL_atarikeys.h" |
| #include "SDL_atarievents_c.h" |
| #include "SDL_xbiosevents_c.h" |
| #include "SDL_ataridevmouse_c.h" |
| |
| /* To save state of keyboard */ |
| |
| static unsigned char gemdos_currentkeyboard[ATARIBIOS_MAXKEYS]; |
| static unsigned char gemdos_previouskeyboard[ATARIBIOS_MAXKEYS]; |
| static SDL_bool use_dev_mouse = SDL_FALSE; |
| |
| static void UpdateSpecialKeys(int special_keys_state); |
| |
| void AtariGemdos_InitOSKeymap(_THIS) |
| { |
| int vectors_mask; |
| /* unsigned long dummy;*/ |
| |
| SDL_memset(gemdos_currentkeyboard, 0, sizeof(gemdos_currentkeyboard)); |
| SDL_memset(gemdos_previouskeyboard, 0, sizeof(gemdos_previouskeyboard)); |
| |
| use_dev_mouse = (SDL_AtariDevMouse_Open()!=0) ? SDL_TRUE : SDL_FALSE; |
| |
| vectors_mask = ATARI_XBIOS_JOYSTICKEVENTS; /* XBIOS joystick events */ |
| if (!use_dev_mouse) { |
| vectors_mask |= ATARI_XBIOS_MOUSEEVENTS; /* XBIOS mouse events */ |
| } |
| /* if (Getcookie(C_MiNT, &dummy)==C_FOUND) { |
| vectors_mask = 0; |
| }*/ |
| SDL_AtariXbios_InstallVectors(vectors_mask); |
| } |
| |
| void AtariGemdos_PumpEvents(_THIS) |
| { |
| int i; |
| SDL_keysym keysym; |
| |
| /* Update pressed keys */ |
| SDL_memset(gemdos_currentkeyboard, 0, ATARIBIOS_MAXKEYS); |
| |
| while (Cconis()!=DEV_BUSY) { |
| unsigned long key_pressed; |
| key_pressed=Cnecin(); |
| gemdos_currentkeyboard[(key_pressed>>16)&(ATARIBIOS_MAXKEYS-1)]=0xFF; |
| } |
| |
| /* Read special keys */ |
| UpdateSpecialKeys(Kbshift(-1)); |
| |
| /* Now generate events */ |
| for (i=0; i<ATARIBIOS_MAXKEYS; i++) { |
| /* Key pressed ? */ |
| if (gemdos_currentkeyboard[i] && !gemdos_previouskeyboard[i]) |
| SDL_PrivateKeyboard(SDL_PRESSED, |
| SDL_Atari_TranslateKey(i, &keysym, SDL_TRUE)); |
| |
| /* Key unpressed ? */ |
| if (gemdos_previouskeyboard[i] && !gemdos_currentkeyboard[i]) |
| SDL_PrivateKeyboard(SDL_RELEASED, |
| SDL_Atari_TranslateKey(i, &keysym, SDL_FALSE)); |
| } |
| |
| if (use_dev_mouse) { |
| SDL_AtariDevMouse_PostMouseEvents(this, SDL_TRUE); |
| } else { |
| SDL_AtariXbios_PostMouseEvents(this, SDL_TRUE); |
| } |
| |
| /* Will be previous table */ |
| SDL_memcpy(gemdos_previouskeyboard, gemdos_currentkeyboard, sizeof(gemdos_previouskeyboard)); |
| } |
| |
| static void UpdateSpecialKeys(int special_keys_state) |
| { |
| #define UPDATE_SPECIAL_KEYS(numbit,scancode) \ |
| { \ |
| if (special_keys_state & (1<<(numbit))) { \ |
| gemdos_currentkeyboard[scancode]=0xFF; \ |
| } \ |
| } |
| |
| UPDATE_SPECIAL_KEYS(K_RSHIFT, SCANCODE_RIGHTSHIFT); |
| UPDATE_SPECIAL_KEYS(K_LSHIFT, SCANCODE_LEFTSHIFT); |
| UPDATE_SPECIAL_KEYS(K_CTRL, SCANCODE_LEFTCONTROL); |
| UPDATE_SPECIAL_KEYS(K_ALT, SCANCODE_LEFTALT); |
| UPDATE_SPECIAL_KEYS(K_CAPSLOCK, SCANCODE_CAPSLOCK); |
| } |
| |
| void AtariGemdos_ShutdownEvents(void) |
| { |
| SDL_AtariXbios_RestoreVectors(); |
| if (use_dev_mouse) { |
| SDL_AtariDevMouse_Close(); |
| } |
| } |