Mercurial > sdl-ios-xcode
view src/video/ataricommon/SDL_gemdosevents.c @ 1050:8e1815fd9777
Holding down shift while moving the mouse's scrollwheel on MacOS X makes the
OS report these are "horizontal scrollwheel" events, which confuses gaming
apps in several legitimate conditions. Now all scrollwheel events are made
to look vertical when passed to the app.
Patch by John Knottenbelt.
http://www.libsdl.org/pipermail/sdl/2005-March/067978.html
author | Ryan C. Gordon <icculus@icculus.org> |
---|---|
date | Sun, 17 Apr 2005 10:32:41 +0000 |
parents | b8d311d90021 |
children | a55ac374271c |
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/* SDL - Simple DirectMedia Layer Copyright (C) 1997-2004 Sam Lantinga This library is free software; you can redistribute it and/or modify it under the terms of the GNU Library General Public License as published by the Free Software Foundation; either version 2 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 Library General Public License for more details. You should have received a copy of the GNU Library General Public License along with this library; if not, write to the Free Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA Sam Lantinga slouken@libsdl.org */ #ifdef SAVE_RCSID static char rcsid = "@(#) $Id$"; #endif /* * Atari keyboard events manager, using Gemdos * * Patrice Mandin */ #include <string.h> /* Mint includes */ #include <mint/osbind.h> #include "SDL.h" #include "SDL_sysevents.h" #include "SDL_events_c.h" #include "SDL_atarikeys.h" #include "SDL_xbiosevents_c.h" /* To save state of keyboard */ #define ATARIBIOS_MAXKEYS 128 static unsigned char gemdos_currentkeyboard[ATARIBIOS_MAXKEYS]; static unsigned char gemdos_previouskeyboard[ATARIBIOS_MAXKEYS]; static unsigned char gemdos_currentascii[ATARIBIOS_MAXKEYS]; /* Special keys state */ enum { K_RSHIFT=0, K_LSHIFT, K_CTRL, K_ALT, K_CAPSLOCK, K_CLRHOME, K_INSERT }; enum { DEV_BUSY=0, DEV_READY }; /* The translation tables from a console scancode to a SDL keysym */ static SDLKey keymap[ATARIBIOS_MAXKEYS]; static SDL_keysym *TranslateKey(int scancode, int asciicode, SDL_keysym *keysym); static void UpdateSpecialKeys(int special_keys_state); void AtariGemdos_InitOSKeymap(_THIS) { int i; memset(gemdos_currentkeyboard, 0, sizeof(gemdos_currentkeyboard)); memset(gemdos_previouskeyboard, 0, sizeof(gemdos_previouskeyboard)); /* Initialize keymap */ for ( i=0; i<sizeof(keymap); i++ ) keymap[i] = SDLK_UNKNOWN; /* Functions keys */ for ( i = 0; i<10; i++ ) keymap[SCANCODE_F1 + i] = SDLK_F1+i; /* Cursor keypad */ keymap[SCANCODE_HELP] = SDLK_HELP; keymap[SCANCODE_UNDO] = SDLK_UNDO; keymap[SCANCODE_INSERT] = SDLK_INSERT; keymap[SCANCODE_CLRHOME] = SDLK_HOME; keymap[SCANCODE_UP] = SDLK_UP; keymap[SCANCODE_DOWN] = SDLK_DOWN; keymap[SCANCODE_RIGHT] = SDLK_RIGHT; keymap[SCANCODE_LEFT] = SDLK_LEFT; /* Special keys */ keymap[SCANCODE_ESCAPE] = SDLK_ESCAPE; keymap[SCANCODE_BACKSPACE] = SDLK_BACKSPACE; keymap[SCANCODE_TAB] = SDLK_TAB; keymap[SCANCODE_ENTER] = SDLK_RETURN; keymap[SCANCODE_DELETE] = SDLK_DELETE; keymap[SCANCODE_LEFTCONTROL] = SDLK_LCTRL; keymap[SCANCODE_LEFTSHIFT] = SDLK_LSHIFT; keymap[SCANCODE_RIGHTSHIFT] = SDLK_RSHIFT; keymap[SCANCODE_LEFTALT] = SDLK_LALT; keymap[SCANCODE_CAPSLOCK] = SDLK_CAPSLOCK; SDL_AtariXbios_InstallVectors(ATARI_XBIOS_MOUSEEVENTS|ATARI_XBIOS_JOYSTICKEVENTS); } void AtariGemdos_PumpEvents(_THIS) { int i; SDL_keysym keysym; /* Update pressed keys */ memset(gemdos_currentkeyboard, 0, ATARIBIOS_MAXKEYS); while (Cconis()!=DEV_BUSY) { unsigned long key_pressed; unsigned char scancode, asciicode; key_pressed=Cnecin(); asciicode = key_pressed; scancode = key_pressed >> 16; gemdos_currentkeyboard[scancode]=0xFF; gemdos_currentascii[scancode]=asciicode; } /* 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, TranslateKey(i, gemdos_currentascii[i], &keysym)); /* Key unpressed ? */ if (gemdos_previouskeyboard[i] && !gemdos_currentkeyboard[i]) SDL_PrivateKeyboard(SDL_RELEASED, TranslateKey(i, gemdos_currentascii[i], &keysym)); } SDL_AtariXbios_PostMouseEvents(this); /* Will be previous table */ memcpy(gemdos_previouskeyboard, gemdos_currentkeyboard, ATARIBIOS_MAXKEYS); } static void UpdateSpecialKeys(int special_keys_state) { #define UPDATE_SPECIAL_KEYS(numbit,scancode) \ { \ if (special_keys_state & (1<<(numbit))) { \ gemdos_currentkeyboard[scancode]=0xFF; \ gemdos_currentascii[scancode]=0; \ } \ } 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); } static SDL_keysym *TranslateKey(int scancode, int asciicode, SDL_keysym *keysym) { /* Set the keysym information */ keysym->scancode = scancode; if (asciicode) keysym->sym = asciicode; else keysym->sym = keymap[scancode]; keysym->mod = KMOD_NONE; keysym->unicode = 0; return(keysym); } void AtariGemdos_ShutdownEvents(void) { SDL_AtariXbios_RestoreVectors(); }