Mercurial > sdl-ios-xcode
view src/video/ataricommon/SDL_xbiosevents.c @ 2153:760c1bd2d625
Reverted mousewheel support in 1.2, since it breaks binary compatibility.
author | Sam Lantinga <slouken@libsdl.org> |
---|---|
date | Fri, 06 Jul 2007 13:45:10 +0000 |
parents | adf732f1f016 |
children | 99210400e8b9 |
line wrap: on
line source
/* SDL - Simple DirectMedia Layer Copyright (C) 1997-2006 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" /* * XBIOS mouse & joystick vectors * * Patrice Mandin */ #include <mint/osbind.h> #include "../../events/SDL_events_c.h" #include "SDL_xbiosevents_c.h" #include "SDL_xbiosinterrupt_s.h" /* Variables */ int SDL_AtariXbios_enabled = 0; /* Local variables */ static _KBDVECS *kbdvecs; /* Pointer to access system vectors */ static Uint16 atari_prevmouseb; /* buttons */ /* Functions */ void SDL_AtariXbios_InstallVectors(int vectors_mask) { void *oldpile; /* Clear variables */ SDL_AtariXbios_mouselock = SDL_AtariXbios_mouseb = SDL_AtariXbios_mousex = SDL_AtariXbios_mousey = SDL_AtariXbios_joystick = atari_prevmouseb = 0; if (vectors_mask == 0) { SDL_AtariXbios_enabled = 0; return; } /* Read IKBD vectors base */ kbdvecs = Kbdvbase(); /* Go to supervisor mode */ oldpile = (void *) Super(0); /* Install our vectors */ SDL_AtariXbios_Install(kbdvecs, (vectors_mask & ATARI_XBIOS_MOUSEEVENTS) ? SDL_AtariXbios_MouseVector : NULL, (vectors_mask & ATARI_XBIOS_JOYSTICKEVENTS) ? SDL_AtariXbios_JoystickVector : NULL); /* Back to user mode */ Super(oldpile); SDL_AtariXbios_enabled = 1; } void SDL_AtariXbios_RestoreVectors(void) { void *oldpile; if (SDL_AtariXbios_enabled == 0) { return; } /* Read IKBD vectors base */ kbdvecs = Kbdvbase(); /* Go to supervisor mode */ oldpile = (void *) Super(NULL); /* Reinstall system vector */ SDL_AtariXbios_Restore(kbdvecs); /* Back to user mode */ Super(oldpile); } static int atari_GetButton(int button) { switch (button) { case 0: return SDL_BUTTON_RIGHT; break; case 1: default: return SDL_BUTTON_LEFT; break; } } void SDL_AtariXbios_PostMouseEvents(_THIS, SDL_bool buttonEvents) { if (SDL_AtariXbios_enabled == 0) { return; } /* Mouse motion ? */ if (SDL_AtariXbios_mousex || SDL_AtariXbios_mousey) { SDL_PrivateMouseMotion(0, 1, SDL_AtariXbios_mousex, SDL_AtariXbios_mousey); SDL_AtariXbios_mousex = SDL_AtariXbios_mousey = 0; } /* Mouse button ? */ if (buttonEvents && (SDL_AtariXbios_mouseb != atari_prevmouseb)) { int i; for (i = 0; i < 2; i++) { int curbutton, prevbutton; curbutton = SDL_AtariXbios_mouseb & (1 << i); prevbutton = atari_prevmouseb & (1 << i); if (curbutton && !prevbutton) { SDL_PrivateMouseButton(SDL_PRESSED, atari_GetButton(i), 0, 0); } if (!curbutton && prevbutton) { SDL_PrivateMouseButton(SDL_RELEASED, atari_GetButton(i), 0, 0); } } atari_prevmouseb = SDL_AtariXbios_mouseb; } } void SDL_AtariXbios_LockMousePosition(SDL_bool lockPosition) { SDL_AtariXbios_mouselock = lockPosition; } /* vi: set ts=4 sw=4 expandtab: */