--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/video/dc/SDL_dcevents.c	Sat Oct 05 16:50:56 2002 +0000
@@ -0,0 +1,164 @@
+/*
+    SDL - Simple DirectMedia Layer
+    Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002  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
+
+    BERO
+    bero@geocities.co.jp
+
+    based on SDL_nullevents.c by
+
+    Sam Lantinga
+    slouken@libsdl.org
+*/
+
+#ifdef SAVE_RCSID
+static char rcsid =
+ "@(#) $Id$";
+#endif
+
+/* Being a null driver, there's no event stream. We just define stubs for
+   most of the API. */
+
+#include "SDL.h"
+#include "SDL_sysevents.h"
+#include "SDL_events_c.h"
+#include "SDL_dcvideo.h"
+#include "SDL_dcevents_c.h"
+
+#include <dc/maple.h>
+#include <dc/maple/mouse.h>
+#include <dc/maple/keyboard.h>
+
+const static unsigned short sdl_key[]= {
+	/*0*/	0, 0, 0, 0, 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i',
+		'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't',
+		'u', 'v', 'w', 'x', 'y', 'z',
+	/*1e*/	'1', '2', '3', '4', '5', '6', '7', '8', '9', '0',
+	/*28*/	SDLK_RETURN, SDLK_ESCAPE, SDLK_BACKSPACE, SDLK_TAB, SDLK_SPACE, SDLK_MINUS, SDLK_PLUS, SDLK_LEFTBRACKET, 
+	SDLK_RIGHTBRACKET, SDLK_BACKSLASH , 0, SDLK_SEMICOLON, SDLK_QUOTE,
+	/*35*/	'~', SDLK_COMMA, SDLK_PERIOD, SDLK_SLASH, SDLK_CAPSLOCK, 
+	SDLK_F1, SDLK_F2, SDLK_F3, SDLK_F4, SDLK_F5, SDLK_F6, SDLK_F7, SDLK_F8, SDLK_F9, SDLK_F10, SDLK_F11, SDLK_F12,
+	/*46*/	SDLK_PRINT, SDLK_SCROLLOCK, SDLK_PAUSE, SDLK_INSERT, SDLK_HOME, SDLK_PAGEUP, SDLK_DELETE, SDLK_END, SDLK_PAGEDOWN, SDLK_RIGHT, SDLK_LEFT, SDLK_DOWN, SDLK_UP,
+	/*53*/	SDLK_NUMLOCK, SDLK_KP_DIVIDE, SDLK_KP_MULTIPLY, SDLK_KP_MINUS, SDLK_KP_PLUS, SDLK_KP_ENTER, 
+	SDLK_KP1, SDLK_KP2, SDLK_KP3, SDLK_KP4, SDLK_KP5, SDLK_KP6,
+	/*5f*/	SDLK_KP7, SDLK_KP8, SDLK_KP9, SDLK_KP0, SDLK_KP_PERIOD, 0 /* S3 */
+};
+
+const static unsigned short sdl_shift[] = {
+	SDLK_LCTRL,SDLK_LSHIFT,SDLK_LALT,0 /* S1 */,
+	SDLK_RCTRL,SDLK_RSHIFT,SDLK_RALT,0 /* S2 */,
+};
+
+#define	MOUSE_WHEELUP 	(1<<4)
+#define	MOUSE_WHEELDOWN	(1<<5)
+
+static void mouse_update(void)
+{
+const	static char sdl_mousebtn[] = {
+	MOUSE_LEFTBUTTON,
+	MOUSE_RIGHTBUTTON,
+	MOUSE_SIDEBUTTON,
+	MOUSE_WHEELUP,
+	MOUSE_WHEELDOWN
+};
+
+	uint8 addr;
+	mouse_cond_t	cond;
+
+	static int prev_buttons;
+	int buttons,changed;
+	int i;
+
+	if ((addr = maple_first_mouse())==0 || mouse_get_cond(addr, &cond)<0) return;
+
+	buttons = cond.buttons^0xff;
+	if (cond.dz<0) buttons|=MOUSE_WHEELUP;
+	if (cond.dz>0) buttons|=MOUSE_WHEELDOWN;
+
+	if (cond.dx||cond.dy) SDL_PrivateMouseMotion(0,1,cond.dx,cond.dy);
+
+	changed = buttons^prev_buttons;
+	for(i=0;i<sizeof(sdl_mousebtn);i++) {
+		if (changed & sdl_mousebtn[i]) {
+			SDL_PrivateMouseButton((buttons & sdl_mousebtn[i])?SDL_PRESSED:SDL_RELEASED,i,0,0);
+		}
+	}
+	prev_buttons = buttons;
+}
+
+static void keyboard_update(void)
+{
+	static kbd_state_t	old_state;
+	static uint8 old_addr;
+
+	kbd_state_t	*state;
+	uint8	addr;
+	int	port,unit;
+
+	int shiftkeys;
+	SDL_keysym keysym;
+
+	int i;
+
+	addr = maple_first_kb();
+
+	if (addr==0) return;
+
+	if (addr!=old_addr) {
+		old_addr = addr;
+		memset(&old_state,0,sizeof(old_state));
+	}
+
+	maple_raddr(addr,&port,&unit);
+
+	state = kbd_get_state(port,unit);
+	if (!state) return;
+
+	shiftkeys = state->shift_keys ^ old_state.shift_keys;
+	for(i=0;i<sizeof(sdl_shift);i++) {
+		if ((shiftkeys>>i)&1) {
+			keysym.sym = sdl_shift[i];
+			SDL_PrivateKeyboard(((state->shift_keys>>i)&1)?SDL_PRESSED:SDL_RELEASED,&keysym);
+		}
+	}
+
+	for(i=0;i<sizeof(sdl_key);i++) {
+		if (state->matrix[i]!=old_state.matrix[i]) {
+			int key = sdl_key[i];
+			if (key) {
+				keysym.sym = key;
+				SDL_PrivateKeyboard(state->matrix[i]?SDL_PRESSED:SDL_RELEASED,&keysym);
+			}
+		}
+	}
+
+	old_state = *state;
+}
+
+void DC_PumpEvents(_THIS)
+{
+	keyboard_update();
+	mouse_update();
+}
+
+void DC_InitOSKeymap(_THIS)
+{
+	/* do nothing. */
+}
+
+/* end of SDL_dcevents.c ... */
+