src/video/svga/SDL_svgaevents.c - third_party/sdl - Git at Google

 /*
     SDL - Simple DirectMedia Layer
     Copyright (C) 1997-2009 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"

 /* Handle the event stream, converting X11 events into SDL events */

 #include <vga.h>
 #include <vgamouse.h>
 #include <vgakeyboard.h>
 #if defined(__LINUX__)
 #include <linux/kd.h>
 #include <linux/keyboard.h>
 #elif defined(__FREEBSD__)
 #include <sys/kbio.h>
 #else
 #error You must choose your operating system here
 #endif

 #include "../../events/SDL_sysevents.h"
 #include "../../events/SDL_events_c.h"
 #include "SDL_svgavideo.h"
 #include "SDL_svgaevents_c.h"

 /* The translation tables from a console scancode to a SDL keysym */
 #if defined(linux)
 #define NUM_VGAKEYMAPS	(1<<KG_CAPSSHIFT)
 static Uint16 vga_keymap[NUM_VGAKEYMAPS][NR_KEYS];
 #elif defined(__FREEBSD__)
 /* FIXME: Free the keymap when we shut down the video mode */
 static keymap_t *vga_keymap = NULL;
 #else
 #error You must choose your operating system here
 #endif
 static SDLKey keymap[128];
 static SDL_keysym *TranslateKey(int scancode, SDL_keysym *keysym);

 /* Ugh, we have to duplicate the kernel's keysym mapping code...
    Oh, it's not so bad. :-)

    FIXME: Add keyboard LED handling code
  */
 #if defined(linux)
 int SVGA_initkeymaps(int fd)
 {
 	struct kbentry entry;
 	int map, i;

 	/* Load all the keysym mappings */
 	for ( map=0; map<NUM_VGAKEYMAPS; ++map ) {
 		SDL_memset(vga_keymap[map], 0, NR_KEYS*sizeof(Uint16));
 		for ( i=0; i<NR_KEYS; ++i ) {
 			entry.kb_table = map;
 			entry.kb_index = i;
 			if ( ioctl(fd, KDGKBENT, &entry) == 0 ) {
 				/* The "Enter" key is a special case */
 				if ( entry.kb_value == K_ENTER ) {
 					entry.kb_value = K(KT_ASCII,13);
 				}
 				/* Handle numpad specially as well */
 				if ( KTYP(entry.kb_value) == KT_PAD ) {
 				    switch ( entry.kb_value ) {
 					case K_P0:
 					case K_P1:
 					case K_P2:
 					case K_P3:
 					case K_P4:
 					case K_P5:
 					case K_P6:
 					case K_P7:
 					case K_P8:
 					case K_P9:
 					    vga_keymap[map][i]=entry.kb_value;
 					    vga_keymap[map][i]+= '0';
 					    break;
                                         case K_PPLUS:
 					    vga_keymap[map][i]=K(KT_ASCII,'+');
 					    break;
                                         case K_PMINUS:
 					    vga_keymap[map][i]=K(KT_ASCII,'-');
 					    break;
                                         case K_PSTAR:
 					    vga_keymap[map][i]=K(KT_ASCII,'*');
 					    break;
                                         case K_PSLASH:
 					    vga_keymap[map][i]=K(KT_ASCII,'/');
 					    break;
                                         case K_PENTER:
 					    vga_keymap[map][i]=K(KT_ASCII,'\r');
 					    break;
                                         case K_PCOMMA:
 					    vga_keymap[map][i]=K(KT_ASCII,',');
 					    break;
                                         case K_PDOT:
 					    vga_keymap[map][i]=K(KT_ASCII,'.');
 					    break;
 					default:
 					    break;
 				    }
 				}
 				/* Do the normal key translation */
 				if ( (KTYP(entry.kb_value) == KT_LATIN) ||
 				     (KTYP(entry.kb_value) == KT_ASCII) ||
 				     (KTYP(entry.kb_value) == KT_LETTER) ) {
 					vga_keymap[map][i] = entry.kb_value;
 				}
 			}
 		}
 	}
 	return(0);
 }
 #elif defined(__FREEBSD__)
 int SVGA_initkeymaps(int fd)
 {
 	vga_keymap = SDL_malloc(sizeof(keymap_t));
 	if ( ! vga_keymap ) {
 		SDL_OutOfMemory();
 		return(-1);
 	}
 	if (ioctl(fd, GIO_KEYMAP, vga_keymap) == -1) {
 		SDL_free(vga_keymap);
 		vga_keymap = NULL;
 		SDL_SetError("Unable to get keyboard map");
 		return(-1);
 	}
 	return(0);
 }
 #else
 #error You must choose your operating system here
 #endif

 int posted = 0;

 void SVGA_mousecallback(int button, int dx, int dy,
                           int u1,int u2,int u3, int u4)
 {
 	if ( dx || dy ) {
 		posted += SDL_PrivateMouseMotion(0, 1, dx, dy);
 	}
 	if ( button & MOUSE_LEFTBUTTON ) {
 		if ( !(SDL_GetMouseState(NULL, NULL) & SDL_BUTTON(1)) ) {
 			posted += SDL_PrivateMouseButton(SDL_PRESSED, 1, 0, 0);
 		}
 	} else {
 		if ( (SDL_GetMouseState(NULL, NULL) & SDL_BUTTON(1)) ) {
 			posted += SDL_PrivateMouseButton(SDL_RELEASED, 1, 0, 0);
 		}
 	}
 	if ( button & MOUSE_MIDDLEBUTTON ) {
 		if ( !(SDL_GetMouseState(NULL, NULL) & SDL_BUTTON(2)) ) {
 			posted += SDL_PrivateMouseButton(SDL_PRESSED, 2, 0, 0);
 		}
 	} else {
 		if ( (SDL_GetMouseState(NULL, NULL) & SDL_BUTTON(2)) ) {
 			posted += SDL_PrivateMouseButton(SDL_RELEASED, 2, 0, 0);
 		}
 	}
 	if ( button & MOUSE_RIGHTBUTTON ) {
 		if ( !(SDL_GetMouseState(NULL, NULL) & SDL_BUTTON(3)) ) {
 			posted += SDL_PrivateMouseButton(SDL_PRESSED, 3, 0, 0);
 		}
 	} else {
 		if ( (SDL_GetMouseState(NULL, NULL) & SDL_BUTTON(3)) ) {
 			posted += SDL_PrivateMouseButton(SDL_RELEASED, 3, 0, 0);
 		}
 	}
 }

 void SVGA_keyboardcallback(int scancode, int pressed)
 {
 	SDL_keysym keysym;

 	if ( pressed ) {
 		posted += SDL_PrivateKeyboard(SDL_PRESSED,
 			    TranslateKey(scancode, &keysym));
 	} else {
 		posted += SDL_PrivateKeyboard(SDL_RELEASED,
 			    TranslateKey(scancode, &keysym));
 	}
 }

 void SVGA_PumpEvents(_THIS)
 {
 	do {
 		posted = 0;
 		mouse_update();
 		keyboard_update();
 	} while ( posted );
 }

 void SVGA_InitOSKeymap(_THIS)
 {
 	int i;

 	/* Initialize the BeOS key translation table */
 	for ( i=0; i<SDL_arraysize(keymap); ++i )
 		keymap[i] = SDLK_UNKNOWN;

 	keymap[SCANCODE_ESCAPE] = SDLK_ESCAPE;
 	keymap[SCANCODE_1] = SDLK_1;
 	keymap[SCANCODE_2] = SDLK_2;
 	keymap[SCANCODE_3] = SDLK_3;
 	keymap[SCANCODE_4] = SDLK_4;
 	keymap[SCANCODE_5] = SDLK_5;
 	keymap[SCANCODE_6] = SDLK_6;
 	keymap[SCANCODE_7] = SDLK_7;
 	keymap[SCANCODE_8] = SDLK_8;
 	keymap[SCANCODE_9] = SDLK_9;
 	keymap[SCANCODE_0] = SDLK_0;
 	keymap[SCANCODE_MINUS] = SDLK_MINUS;
 	keymap[SCANCODE_EQUAL] = SDLK_EQUALS;
 	keymap[SCANCODE_BACKSPACE] = SDLK_BACKSPACE;
 	keymap[SCANCODE_TAB] = SDLK_TAB;
 	keymap[SCANCODE_Q] = SDLK_q;
 	keymap[SCANCODE_W] = SDLK_w;
 	keymap[SCANCODE_E] = SDLK_e;
 	keymap[SCANCODE_R] = SDLK_r;
 	keymap[SCANCODE_T] = SDLK_t;
 	keymap[SCANCODE_Y] = SDLK_y;
 	keymap[SCANCODE_U] = SDLK_u;
 	keymap[SCANCODE_I] = SDLK_i;
 	keymap[SCANCODE_O] = SDLK_o;
 	keymap[SCANCODE_P] = SDLK_p;
 	keymap[SCANCODE_BRACKET_LEFT] = SDLK_LEFTBRACKET;
 	keymap[SCANCODE_BRACKET_RIGHT] = SDLK_RIGHTBRACKET;
 	keymap[SCANCODE_ENTER] = SDLK_RETURN;
 	keymap[SCANCODE_LEFTCONTROL] = SDLK_LCTRL;
 	keymap[SCANCODE_A] = SDLK_a;
 	keymap[SCANCODE_S] = SDLK_s;
 	keymap[SCANCODE_D] = SDLK_d;
 	keymap[SCANCODE_F] = SDLK_f;
 	keymap[SCANCODE_G] = SDLK_g;
 	keymap[SCANCODE_H] = SDLK_h;
 	keymap[SCANCODE_J] = SDLK_j;
 	keymap[SCANCODE_K] = SDLK_k;
 	keymap[SCANCODE_L] = SDLK_l;
 	keymap[SCANCODE_SEMICOLON] = SDLK_SEMICOLON;
 	keymap[SCANCODE_APOSTROPHE] = SDLK_QUOTE;
 	keymap[SCANCODE_GRAVE] = SDLK_BACKQUOTE;
 	keymap[SCANCODE_LEFTSHIFT] = SDLK_LSHIFT;
 	keymap[SCANCODE_BACKSLASH] = SDLK_BACKSLASH;
 	keymap[SCANCODE_Z] = SDLK_z;
 	keymap[SCANCODE_X] = SDLK_x;
 	keymap[SCANCODE_C] = SDLK_c;
 	keymap[SCANCODE_V] = SDLK_v;
 	keymap[SCANCODE_B] = SDLK_b;
 	keymap[SCANCODE_N] = SDLK_n;
 	keymap[SCANCODE_M] = SDLK_m;
 	keymap[SCANCODE_COMMA] = SDLK_COMMA;
 	keymap[SCANCODE_PERIOD] = SDLK_PERIOD;
 	keymap[SCANCODE_SLASH] = SDLK_SLASH;
 	keymap[SCANCODE_RIGHTSHIFT] = SDLK_RSHIFT;
 	keymap[SCANCODE_KEYPADMULTIPLY] = SDLK_KP_MULTIPLY;
 	keymap[SCANCODE_LEFTALT] = SDLK_LALT;
 	keymap[SCANCODE_SPACE] = SDLK_SPACE;
 	keymap[SCANCODE_CAPSLOCK] = SDLK_CAPSLOCK;
 	keymap[SCANCODE_F1] = SDLK_F1;
 	keymap[SCANCODE_F2] = SDLK_F2;
 	keymap[SCANCODE_F3] = SDLK_F3;
 	keymap[SCANCODE_F4] = SDLK_F4;
 	keymap[SCANCODE_F5] = SDLK_F5;
 	keymap[SCANCODE_F6] = SDLK_F6;
 	keymap[SCANCODE_F7] = SDLK_F7;
 	keymap[SCANCODE_F8] = SDLK_F8;
 	keymap[SCANCODE_F9] = SDLK_F9;
 	keymap[SCANCODE_F10] = SDLK_F10;
 	keymap[SCANCODE_NUMLOCK] = SDLK_NUMLOCK;
 	keymap[SCANCODE_SCROLLLOCK] = SDLK_SCROLLOCK;
 	keymap[SCANCODE_KEYPAD7] = SDLK_KP7;
 	keymap[SCANCODE_CURSORUPLEFT] = SDLK_KP7;
 	keymap[SCANCODE_KEYPAD8] = SDLK_KP8;
 	keymap[SCANCODE_CURSORUP] = SDLK_KP8;
 	keymap[SCANCODE_KEYPAD9] = SDLK_KP9;
 	keymap[SCANCODE_CURSORUPRIGHT] = SDLK_KP9;
 	keymap[SCANCODE_KEYPADMINUS] = SDLK_KP_MINUS;
 	keymap[SCANCODE_KEYPAD4] = SDLK_KP4;
 	keymap[SCANCODE_CURSORLEFT] = SDLK_KP4;
 	keymap[SCANCODE_KEYPAD5] = SDLK_KP5;
 	keymap[SCANCODE_KEYPAD6] = SDLK_KP6;
 	keymap[SCANCODE_CURSORRIGHT] = SDLK_KP6;
 	keymap[SCANCODE_KEYPADPLUS] = SDLK_KP_PLUS;
 	keymap[SCANCODE_KEYPAD1] = SDLK_KP1;
 	keymap[SCANCODE_CURSORDOWNLEFT] = SDLK_KP1;
 	keymap[SCANCODE_KEYPAD2] = SDLK_KP2;
 	keymap[SCANCODE_CURSORDOWN] = SDLK_KP2;
 	keymap[SCANCODE_KEYPAD3] = SDLK_KP3;
 	keymap[SCANCODE_CURSORDOWNRIGHT] = SDLK_KP3;
 	keymap[SCANCODE_KEYPAD0] = SDLK_KP0;
 	keymap[SCANCODE_KEYPADPERIOD] = SDLK_KP_PERIOD;
 	keymap[SCANCODE_LESS] = SDLK_LESS;
 	keymap[SCANCODE_F11] = SDLK_F11;
 	keymap[SCANCODE_F12] = SDLK_F12;
 	keymap[SCANCODE_KEYPADENTER] = SDLK_KP_ENTER;
 	keymap[SCANCODE_RIGHTCONTROL] = SDLK_RCTRL;
 	keymap[SCANCODE_CONTROL] = SDLK_RCTRL;
 	keymap[SCANCODE_KEYPADDIVIDE] = SDLK_KP_DIVIDE;
 	keymap[SCANCODE_PRINTSCREEN] = SDLK_PRINT;
 	keymap[SCANCODE_RIGHTALT] = SDLK_RALT;
 	keymap[SCANCODE_BREAK] = SDLK_BREAK;
 	keymap[SCANCODE_BREAK_ALTERNATIVE] = SDLK_UNKNOWN;
 	keymap[SCANCODE_HOME] = SDLK_HOME;
 	keymap[SCANCODE_CURSORBLOCKUP] = SDLK_UP;
 	keymap[SCANCODE_PAGEUP] = SDLK_PAGEUP;
 	keymap[SCANCODE_CURSORBLOCKLEFT] = SDLK_LEFT;
 	keymap[SCANCODE_CURSORBLOCKRIGHT] = SDLK_RIGHT;
 	keymap[SCANCODE_END] = SDLK_END;
 	keymap[SCANCODE_CURSORBLOCKDOWN] = SDLK_DOWN;
 	keymap[SCANCODE_PAGEDOWN] = SDLK_PAGEDOWN;
 	keymap[SCANCODE_INSERT] = SDLK_INSERT;
 	keymap[SCANCODE_REMOVE] = SDLK_DELETE;
 	keymap[119] = SDLK_PAUSE;
 	keymap[SCANCODE_RIGHTWIN] = SDLK_RSUPER;
 	keymap[SCANCODE_LEFTWIN] = SDLK_LSUPER;
 	keymap[127] = SDLK_MENU;
 }

 #if defined(linux)
 static SDL_keysym *TranslateKey(int scancode, SDL_keysym *keysym)
 {
 	/* Set the keysym information */
 	keysym->scancode = scancode;
 	keysym->sym = keymap[scancode];
 	keysym->mod = KMOD_NONE;

 	/* If UNICODE is on, get the UNICODE value for the key */
 	keysym->unicode = 0;
 	if ( SDL_TranslateUNICODE ) {
 		int map;
 		SDLMod modstate;

 		modstate = SDL_GetModState();
 		map = 0;
 		if ( modstate & KMOD_SHIFT ) {
 			map |= (1<<KG_SHIFT);
 		}
 		if ( modstate & KMOD_CTRL ) {
 			map |= (1<<KG_CTRL);
 		}
 		if ( modstate & KMOD_ALT ) {
 			map |= (1<<KG_ALT);
 		}
 		if ( modstate & KMOD_MODE ) {
 			map |= (1<<KG_ALTGR);
 		}
 		if ( KTYP(vga_keymap[map][scancode]) == KT_LETTER ) {
 			if ( modstate & KMOD_CAPS ) {
 				map ^= (1<<KG_SHIFT);
 			}
 		}
 		if ( KTYP(vga_keymap[map][scancode]) == KT_PAD ) {
 			if ( modstate & KMOD_NUM ) {
 				keysym->unicode=KVAL(vga_keymap[map][scancode]);
 			}
 		} else {
 			keysym->unicode = KVAL(vga_keymap[map][scancode]);
 		}
 	}
 	return(keysym);
 }
 #elif defined(__FREEBSD__)
 static SDL_keysym *TranslateKey(int scancode, SDL_keysym *keysym)
 {
 	/* Set the keysym information */
 	keysym->scancode = scancode;
 	keysym->sym = keymap[scancode];
 	keysym->mod = KMOD_NONE;

 	/* If UNICODE is on, get the UNICODE value for the key */
 	keysym->unicode = 0;
 	if ( SDL_TranslateUNICODE && vga_keymap ) {
 		int map;
 		SDLMod modstate;

 		modstate = SDL_GetModState();
 		map = 0;
 		if ( modstate & KMOD_SHIFT ) {
 			map += 1;
 		}
 		if ( modstate & KMOD_CTRL ) {
 			map += 2;
 		}
 		if ( modstate & KMOD_ALT ) {
 			map += 4;
 		}
 		if ( !(vga_keymap->key[scancode].spcl & (0x80 >> map)) ) {
 			keysym->unicode = vga_keymap->key[scancode].map[map];
 		}

 	}
 	return(keysym);
 }
 #else
 #error You must choose your operating system here
 #endif
	/*
	SDL - Simple DirectMedia Layer
	Copyright (C) 1997-2009 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"

	/* Handle the event stream, converting X11 events into SDL events */

	#include <vga.h>
	#include <vgamouse.h>
	#include <vgakeyboard.h>
	#if defined(__LINUX__)
	#include <linux/kd.h>
	#include <linux/keyboard.h>
	#elif defined(__FREEBSD__)
	#include <sys/kbio.h>
	#else
	#error You must choose your operating system here
	#endif

	#include "../../events/SDL_sysevents.h"
	#include "../../events/SDL_events_c.h"
	#include "SDL_svgavideo.h"
	#include "SDL_svgaevents_c.h"

	/* The translation tables from a console scancode to a SDL keysym */
	#if defined(linux)
	#define NUM_VGAKEYMAPS (1<<KG_CAPSSHIFT)
	static Uint16 vga_keymap[NUM_VGAKEYMAPS][NR_KEYS];
	#elif defined(__FREEBSD__)
	/* FIXME: Free the keymap when we shut down the video mode */
	static keymap_t *vga_keymap = NULL;
	#else
	#error You must choose your operating system here
	#endif
	static SDLKey keymap[128];
	static SDL_keysym TranslateKey(int scancode, SDL_keysym keysym);

	/* Ugh, we have to duplicate the kernel's keysym mapping code...
	Oh, it's not so bad. :-)

	FIXME: Add keyboard LED handling code
	*/
	#if defined(linux)
	int SVGA_initkeymaps(int fd)
	{
	struct kbentry entry;
	int map, i;

	/* Load all the keysym mappings */
	for ( map=0; map<NUM_VGAKEYMAPS; ++map ) {
	SDL_memset(vga_keymap[map], 0, NR_KEYS*sizeof(Uint16));
	for ( i=0; i<NR_KEYS; ++i ) {
	entry.kb_table = map;
	entry.kb_index = i;
	if ( ioctl(fd, KDGKBENT, &entry) == 0 ) {
	/* The "Enter" key is a special case */
	if ( entry.kb_value == K_ENTER ) {
	entry.kb_value = K(KT_ASCII,13);
	}
	/* Handle numpad specially as well */
	if ( KTYP(entry.kb_value) == KT_PAD ) {
	switch ( entry.kb_value ) {
	case K_P0:
	case K_P1:
	case K_P2:
	case K_P3:
	case K_P4:
	case K_P5:
	case K_P6:
	case K_P7:
	case K_P8:
	case K_P9:
	vga_keymap[map][i]=entry.kb_value;
	vga_keymap[map][i]+= '0';
	break;
	case K_PPLUS:
	vga_keymap[map][i]=K(KT_ASCII,'+');
	break;
	case K_PMINUS:
	vga_keymap[map][i]=K(KT_ASCII,'-');
	break;
	case K_PSTAR:
	vga_keymap[map][i]=K(KT_ASCII,'*');
	break;
	case K_PSLASH:
	vga_keymap[map][i]=K(KT_ASCII,'/');
	break;
	case K_PENTER:
	vga_keymap[map][i]=K(KT_ASCII,'\r');
	break;
	case K_PCOMMA:
	vga_keymap[map][i]=K(KT_ASCII,',');
	break;
	case K_PDOT:
	vga_keymap[map][i]=K(KT_ASCII,'.');
	break;
	default:
	break;
	}
	}
	/* Do the normal key translation */
	if ( (KTYP(entry.kb_value) == KT_LATIN) \|\|
	(KTYP(entry.kb_value) == KT_ASCII) \|\|
	(KTYP(entry.kb_value) == KT_LETTER) ) {
	vga_keymap[map][i] = entry.kb_value;
	}
	}
	}
	}
	return(0);
	}
	#elif defined(__FREEBSD__)
	int SVGA_initkeymaps(int fd)
	{
	vga_keymap = SDL_malloc(sizeof(keymap_t));
	if ( ! vga_keymap ) {
	SDL_OutOfMemory();
	return(-1);
	}
	if (ioctl(fd, GIO_KEYMAP, vga_keymap) == -1) {
	SDL_free(vga_keymap);
	vga_keymap = NULL;
	SDL_SetError("Unable to get keyboard map");
	return(-1);
	}
	return(0);
	}
	#else
	#error You must choose your operating system here
	#endif

	int posted = 0;

	void SVGA_mousecallback(int button, int dx, int dy,
	int u1,int u2,int u3, int u4)
	{
	if ( dx \|\| dy ) {
	posted += SDL_PrivateMouseMotion(0, 1, dx, dy);
	}
	if ( button & MOUSE_LEFTBUTTON ) {
	if ( !(SDL_GetMouseState(NULL, NULL) & SDL_BUTTON(1)) ) {
	posted += SDL_PrivateMouseButton(SDL_PRESSED, 1, 0, 0);
	}
	} else {
	if ( (SDL_GetMouseState(NULL, NULL) & SDL_BUTTON(1)) ) {
	posted += SDL_PrivateMouseButton(SDL_RELEASED, 1, 0, 0);
	}
	}
	if ( button & MOUSE_MIDDLEBUTTON ) {
	if ( !(SDL_GetMouseState(NULL, NULL) & SDL_BUTTON(2)) ) {
	posted += SDL_PrivateMouseButton(SDL_PRESSED, 2, 0, 0);
	}
	} else {
	if ( (SDL_GetMouseState(NULL, NULL) & SDL_BUTTON(2)) ) {
	posted += SDL_PrivateMouseButton(SDL_RELEASED, 2, 0, 0);
	}
	}
	if ( button & MOUSE_RIGHTBUTTON ) {
	if ( !(SDL_GetMouseState(NULL, NULL) & SDL_BUTTON(3)) ) {
	posted += SDL_PrivateMouseButton(SDL_PRESSED, 3, 0, 0);
	}
	} else {
	if ( (SDL_GetMouseState(NULL, NULL) & SDL_BUTTON(3)) ) {
	posted += SDL_PrivateMouseButton(SDL_RELEASED, 3, 0, 0);
	}
	}
	}

	void SVGA_keyboardcallback(int scancode, int pressed)
	{
	SDL_keysym keysym;

	if ( pressed ) {
	posted += SDL_PrivateKeyboard(SDL_PRESSED,
	TranslateKey(scancode, &keysym));
	} else {
	posted += SDL_PrivateKeyboard(SDL_RELEASED,
	TranslateKey(scancode, &keysym));
	}
	}

	void SVGA_PumpEvents(_THIS)
	{
	do {
	posted = 0;
	mouse_update();
	keyboard_update();
	} while ( posted );
	}

	void SVGA_InitOSKeymap(_THIS)
	{
	int i;

	/* Initialize the BeOS key translation table */
	for ( i=0; i<SDL_arraysize(keymap); ++i )
	keymap[i] = SDLK_UNKNOWN;

	keymap[SCANCODE_ESCAPE] = SDLK_ESCAPE;
	keymap[SCANCODE_1] = SDLK_1;
	keymap[SCANCODE_2] = SDLK_2;
	keymap[SCANCODE_3] = SDLK_3;
	keymap[SCANCODE_4] = SDLK_4;
	keymap[SCANCODE_5] = SDLK_5;
	keymap[SCANCODE_6] = SDLK_6;
	keymap[SCANCODE_7] = SDLK_7;
	keymap[SCANCODE_8] = SDLK_8;
	keymap[SCANCODE_9] = SDLK_9;
	keymap[SCANCODE_0] = SDLK_0;
	keymap[SCANCODE_MINUS] = SDLK_MINUS;
	keymap[SCANCODE_EQUAL] = SDLK_EQUALS;
	keymap[SCANCODE_BACKSPACE] = SDLK_BACKSPACE;
	keymap[SCANCODE_TAB] = SDLK_TAB;
	keymap[SCANCODE_Q] = SDLK_q;
	keymap[SCANCODE_W] = SDLK_w;
	keymap[SCANCODE_E] = SDLK_e;
	keymap[SCANCODE_R] = SDLK_r;
	keymap[SCANCODE_T] = SDLK_t;
	keymap[SCANCODE_Y] = SDLK_y;
	keymap[SCANCODE_U] = SDLK_u;
	keymap[SCANCODE_I] = SDLK_i;
	keymap[SCANCODE_O] = SDLK_o;
	keymap[SCANCODE_P] = SDLK_p;
	keymap[SCANCODE_BRACKET_LEFT] = SDLK_LEFTBRACKET;
	keymap[SCANCODE_BRACKET_RIGHT] = SDLK_RIGHTBRACKET;
	keymap[SCANCODE_ENTER] = SDLK_RETURN;
	keymap[SCANCODE_LEFTCONTROL] = SDLK_LCTRL;
	keymap[SCANCODE_A] = SDLK_a;
	keymap[SCANCODE_S] = SDLK_s;
	keymap[SCANCODE_D] = SDLK_d;
	keymap[SCANCODE_F] = SDLK_f;
	keymap[SCANCODE_G] = SDLK_g;
	keymap[SCANCODE_H] = SDLK_h;
	keymap[SCANCODE_J] = SDLK_j;
	keymap[SCANCODE_K] = SDLK_k;
	keymap[SCANCODE_L] = SDLK_l;
	keymap[SCANCODE_SEMICOLON] = SDLK_SEMICOLON;
	keymap[SCANCODE_APOSTROPHE] = SDLK_QUOTE;
	keymap[SCANCODE_GRAVE] = SDLK_BACKQUOTE;
	keymap[SCANCODE_LEFTSHIFT] = SDLK_LSHIFT;
	keymap[SCANCODE_BACKSLASH] = SDLK_BACKSLASH;
	keymap[SCANCODE_Z] = SDLK_z;
	keymap[SCANCODE_X] = SDLK_x;
	keymap[SCANCODE_C] = SDLK_c;
	keymap[SCANCODE_V] = SDLK_v;
	keymap[SCANCODE_B] = SDLK_b;
	keymap[SCANCODE_N] = SDLK_n;
	keymap[SCANCODE_M] = SDLK_m;
	keymap[SCANCODE_COMMA] = SDLK_COMMA;
	keymap[SCANCODE_PERIOD] = SDLK_PERIOD;
	keymap[SCANCODE_SLASH] = SDLK_SLASH;
	keymap[SCANCODE_RIGHTSHIFT] = SDLK_RSHIFT;
	keymap[SCANCODE_KEYPADMULTIPLY] = SDLK_KP_MULTIPLY;
	keymap[SCANCODE_LEFTALT] = SDLK_LALT;
	keymap[SCANCODE_SPACE] = SDLK_SPACE;
	keymap[SCANCODE_CAPSLOCK] = SDLK_CAPSLOCK;
	keymap[SCANCODE_F1] = SDLK_F1;
	keymap[SCANCODE_F2] = SDLK_F2;
	keymap[SCANCODE_F3] = SDLK_F3;
	keymap[SCANCODE_F4] = SDLK_F4;
	keymap[SCANCODE_F5] = SDLK_F5;
	keymap[SCANCODE_F6] = SDLK_F6;
	keymap[SCANCODE_F7] = SDLK_F7;
	keymap[SCANCODE_F8] = SDLK_F8;
	keymap[SCANCODE_F9] = SDLK_F9;
	keymap[SCANCODE_F10] = SDLK_F10;
	keymap[SCANCODE_NUMLOCK] = SDLK_NUMLOCK;
	keymap[SCANCODE_SCROLLLOCK] = SDLK_SCROLLOCK;
	keymap[SCANCODE_KEYPAD7] = SDLK_KP7;
	keymap[SCANCODE_CURSORUPLEFT] = SDLK_KP7;
	keymap[SCANCODE_KEYPAD8] = SDLK_KP8;
	keymap[SCANCODE_CURSORUP] = SDLK_KP8;
	keymap[SCANCODE_KEYPAD9] = SDLK_KP9;
	keymap[SCANCODE_CURSORUPRIGHT] = SDLK_KP9;
	keymap[SCANCODE_KEYPADMINUS] = SDLK_KP_MINUS;
	keymap[SCANCODE_KEYPAD4] = SDLK_KP4;
	keymap[SCANCODE_CURSORLEFT] = SDLK_KP4;
	keymap[SCANCODE_KEYPAD5] = SDLK_KP5;
	keymap[SCANCODE_KEYPAD6] = SDLK_KP6;
	keymap[SCANCODE_CURSORRIGHT] = SDLK_KP6;
	keymap[SCANCODE_KEYPADPLUS] = SDLK_KP_PLUS;
	keymap[SCANCODE_KEYPAD1] = SDLK_KP1;
	keymap[SCANCODE_CURSORDOWNLEFT] = SDLK_KP1;
	keymap[SCANCODE_KEYPAD2] = SDLK_KP2;
	keymap[SCANCODE_CURSORDOWN] = SDLK_KP2;
	keymap[SCANCODE_KEYPAD3] = SDLK_KP3;
	keymap[SCANCODE_CURSORDOWNRIGHT] = SDLK_KP3;
	keymap[SCANCODE_KEYPAD0] = SDLK_KP0;
	keymap[SCANCODE_KEYPADPERIOD] = SDLK_KP_PERIOD;
	keymap[SCANCODE_LESS] = SDLK_LESS;
	keymap[SCANCODE_F11] = SDLK_F11;
	keymap[SCANCODE_F12] = SDLK_F12;
	keymap[SCANCODE_KEYPADENTER] = SDLK_KP_ENTER;
	keymap[SCANCODE_RIGHTCONTROL] = SDLK_RCTRL;
	keymap[SCANCODE_CONTROL] = SDLK_RCTRL;
	keymap[SCANCODE_KEYPADDIVIDE] = SDLK_KP_DIVIDE;
	keymap[SCANCODE_PRINTSCREEN] = SDLK_PRINT;
	keymap[SCANCODE_RIGHTALT] = SDLK_RALT;
	keymap[SCANCODE_BREAK] = SDLK_BREAK;
	keymap[SCANCODE_BREAK_ALTERNATIVE] = SDLK_UNKNOWN;
	keymap[SCANCODE_HOME] = SDLK_HOME;
	keymap[SCANCODE_CURSORBLOCKUP] = SDLK_UP;
	keymap[SCANCODE_PAGEUP] = SDLK_PAGEUP;
	keymap[SCANCODE_CURSORBLOCKLEFT] = SDLK_LEFT;
	keymap[SCANCODE_CURSORBLOCKRIGHT] = SDLK_RIGHT;
	keymap[SCANCODE_END] = SDLK_END;
	keymap[SCANCODE_CURSORBLOCKDOWN] = SDLK_DOWN;
	keymap[SCANCODE_PAGEDOWN] = SDLK_PAGEDOWN;
	keymap[SCANCODE_INSERT] = SDLK_INSERT;
	keymap[SCANCODE_REMOVE] = SDLK_DELETE;
	keymap[119] = SDLK_PAUSE;
	keymap[SCANCODE_RIGHTWIN] = SDLK_RSUPER;
	keymap[SCANCODE_LEFTWIN] = SDLK_LSUPER;
	keymap[127] = SDLK_MENU;
	}

	#if defined(linux)
	static SDL_keysym TranslateKey(int scancode, SDL_keysym keysym)
	{
	/* Set the keysym information */
	keysym->scancode = scancode;
	keysym->sym = keymap[scancode];
	keysym->mod = KMOD_NONE;

	/* If UNICODE is on, get the UNICODE value for the key */
	keysym->unicode = 0;
	if ( SDL_TranslateUNICODE ) {
	int map;
	SDLMod modstate;

	modstate = SDL_GetModState();
	map = 0;
	if ( modstate & KMOD_SHIFT ) {
	map \|= (1<<KG_SHIFT);
	}
	if ( modstate & KMOD_CTRL ) {
	map \|= (1<<KG_CTRL);
	}
	if ( modstate & KMOD_ALT ) {
	map \|= (1<<KG_ALT);
	}
	if ( modstate & KMOD_MODE ) {
	map \|= (1<<KG_ALTGR);
	}
	if ( KTYP(vga_keymap[map][scancode]) == KT_LETTER ) {
	if ( modstate & KMOD_CAPS ) {
	map ^= (1<<KG_SHIFT);
	}
	}
	if ( KTYP(vga_keymap[map][scancode]) == KT_PAD ) {
	if ( modstate & KMOD_NUM ) {
	keysym->unicode=KVAL(vga_keymap[map][scancode]);
	}
	} else {
	keysym->unicode = KVAL(vga_keymap[map][scancode]);
	}
	}
	return(keysym);
	}
	#elif defined(__FREEBSD__)
	static SDL_keysym TranslateKey(int scancode, SDL_keysym keysym)
	{
	/* Set the keysym information */
	keysym->scancode = scancode;
	keysym->sym = keymap[scancode];
	keysym->mod = KMOD_NONE;

	/* If UNICODE is on, get the UNICODE value for the key */
	keysym->unicode = 0;
	if ( SDL_TranslateUNICODE && vga_keymap ) {
	int map;
	SDLMod modstate;

	modstate = SDL_GetModState();
	map = 0;
	if ( modstate & KMOD_SHIFT ) {
	map += 1;
	}
	if ( modstate & KMOD_CTRL ) {
	map += 2;
	}
	if ( modstate & KMOD_ALT ) {
	map += 4;
	}
	if ( !(vga_keymap->key[scancode].spcl & (0x80 >> map)) ) {
	keysym->unicode = vga_keymap->key[scancode].map[map];
	}

	}
	return(keysym);
	}
	#else
	#error You must choose your operating system here
	#endif