--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/video/x11/SDL_x11events.c	Thu Apr 26 16:45:43 2001 +0000
@@ -0,0 +1,880 @@
+/*
+    SDL - Simple DirectMedia Layer
+    Copyright (C) 1997, 1998, 1999, 2000, 2001  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@devolution.com
+*/
+
+#ifdef SAVE_RCSID
+static char rcsid =
+ "@(#) $Id$";
+#endif
+
+/* Handle the event stream, converting X11 events into SDL events */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <setjmp.h>
+#include <X11/Xlib.h>
+#include <X11/Xutil.h>
+#include <X11/keysym.h>
+#ifdef __SVR4
+#include <X11/Sunkeysym.h>
+#endif
+#include <sys/time.h>
+
+#include "SDL.h"
+#include "SDL_syswm.h"
+#include "SDL_sysevents.h"
+#include "SDL_sysvideo.h"
+#include "SDL_events_c.h"
+#include "SDL_x11video.h"
+#include "SDL_x11dga_c.h"
+#include "SDL_x11modes_c.h"
+#include "SDL_x11image_c.h"
+#include "SDL_x11gamma_c.h"
+#include "SDL_x11wm_c.h"
+#include "SDL_x11mouse_c.h"
+#include "SDL_x11events_c.h"
+
+
+/* The translation tables from an X11 keysym to a SDL keysym */
+static SDLKey ODD_keymap[256];
+static SDLKey MISC_keymap[256];
+SDL_keysym *X11_TranslateKey(Display *display, XKeyEvent *xkey, KeyCode kc,
+			     SDL_keysym *keysym);
+
+/* Check to see if this is a repeated key.
+   (idea shamelessly lifted from GII -- thanks guys! :)
+ */
+static int X11_KeyRepeat(Display *display, XEvent *event)
+{
+	XEvent peekevent;
+	int repeated;
+
+	repeated = 0;
+	if ( XPending(display) ) {
+		XPeekEvent(display, &peekevent);
+		if ( (peekevent.type == KeyPress) &&
+		     (peekevent.xkey.keycode == event->xkey.keycode) &&
+		     (peekevent.xkey.time == event->xkey.time) ) {
+			repeated = 1;
+			XNextEvent(display, &peekevent);
+		}
+	}
+	return(repeated);
+}
+
+/* Note:  The X server buffers and accumulates mouse motion events, so
+   the motion event generated by the warp may not appear exactly as we
+   expect it to.  We work around this (and improve performance) by only
+   warping the pointer when it reaches the edge, and then wait for it.
+*/
+#define MOUSE_FUDGE_FACTOR	8
+
+static __inline__ int X11_WarpedMotion(_THIS, XEvent *xevent)
+{
+	int w, h, i;
+	int deltax, deltay;
+	int posted;
+
+	w = SDL_VideoSurface->w;
+	h = SDL_VideoSurface->h;
+	deltax = xevent->xmotion.x - mouse_last.x;
+	deltay = xevent->xmotion.y - mouse_last.y;
+#ifdef DEBUG_MOTION
+  printf("Warped mouse motion: %d,%d\n", deltax, deltay);
+#endif
+	mouse_last.x = xevent->xmotion.x;
+	mouse_last.y = xevent->xmotion.y;
+	posted = SDL_PrivateMouseMotion(0, 1, deltax, deltay);
+
+	if ( (xevent->xmotion.x < MOUSE_FUDGE_FACTOR) ||
+	     (xevent->xmotion.x > (w-MOUSE_FUDGE_FACTOR)) ||
+	     (xevent->xmotion.y < MOUSE_FUDGE_FACTOR) ||
+	     (xevent->xmotion.y > (h-MOUSE_FUDGE_FACTOR)) ) {
+		/* Get the events that have accumulated */
+		while ( XCheckTypedEvent(SDL_Display, MotionNotify, xevent) ) {
+			deltax = xevent->xmotion.x - mouse_last.x;
+			deltay = xevent->xmotion.y - mouse_last.y;
+#ifdef DEBUG_MOTION
+  printf("Extra mouse motion: %d,%d\n", deltax, deltay);
+#endif
+			mouse_last.x = xevent->xmotion.x;
+			mouse_last.y = xevent->xmotion.y;
+			posted += SDL_PrivateMouseMotion(0, 1, deltax, deltay);
+		}
+		mouse_last.x = w/2;
+		mouse_last.y = h/2;
+		XWarpPointer(SDL_Display, None, SDL_Window, 0, 0, 0, 0,
+					mouse_last.x, mouse_last.y);
+		for ( i=0; i<10; ++i ) {
+        		XMaskEvent(SDL_Display, PointerMotionMask, xevent);
+			if ( (xevent->xmotion.x >
+			          (mouse_last.x-MOUSE_FUDGE_FACTOR)) &&
+			     (xevent->xmotion.x <
+			          (mouse_last.x+MOUSE_FUDGE_FACTOR)) &&
+			     (xevent->xmotion.y >
+			          (mouse_last.y-MOUSE_FUDGE_FACTOR)) &&
+			     (xevent->xmotion.y <
+			          (mouse_last.y+MOUSE_FUDGE_FACTOR)) ) {
+				break;
+			}
+#ifdef DEBUG_XEVENTS
+  printf("Lost mouse motion: %d,%d\n", xevent->xmotion.x, xevent->xmotion.y);
+#endif
+		}
+#ifdef DEBUG_XEVENTS
+		if ( i == 10 ) {
+			printf("Warning: didn't detect mouse warp motion\n");
+		}
+#endif
+	}
+	return(posted);
+}
+
+static int X11_DispatchEvent(_THIS)
+{
+	int posted;
+	XEvent xevent;
+
+	XNextEvent(SDL_Display, &xevent);
+
+	posted = 0;
+	switch (xevent.type) {
+
+	    /* Gaining mouse coverage? */
+	    case EnterNotify: {
+#ifdef DEBUG_XEVENTS
+printf("EnterNotify!\n");
+if ( xevent.xcrossing.mode == NotifyGrab )
+printf("Mode: NotifyGrab\n");
+if ( xevent.xcrossing.mode == NotifyUngrab )
+printf("Mode: NotifyUngrab\n");
+#endif
+		if ( (xevent.xcrossing.mode != NotifyGrab) &&
+		     (xevent.xcrossing.mode != NotifyUngrab) ) {
+			posted = SDL_PrivateAppActive(1, SDL_APPMOUSEFOCUS);
+		}
+	    }
+	    break;
+
+	    /* Losing mouse coverage? */
+	    case LeaveNotify: {
+#ifdef DEBUG_XEVENTS
+printf("LeaveNotify!\n");
+if ( xevent.xcrossing.mode == NotifyGrab )
+printf("Mode: NotifyGrab\n");
+if ( xevent.xcrossing.mode == NotifyUngrab )
+printf("Mode: NotifyUngrab\n");
+#endif
+		if ( (xevent.xcrossing.mode != NotifyGrab) &&
+		     (xevent.xcrossing.mode != NotifyUngrab) ) {
+			posted = SDL_PrivateAppActive(0, SDL_APPMOUSEFOCUS);
+		}
+	    }
+	    break;
+
+	    /* Gaining input focus? */
+	    case FocusIn: {
+#ifdef DEBUG_XEVENTS
+printf("FocusIn!\n");
+#endif
+		posted = SDL_PrivateAppActive(1, SDL_APPINPUTFOCUS);
+
+		/* Queue entry into fullscreen mode */
+		switch_waiting = 0x01 | SDL_FULLSCREEN;
+		switch_time = SDL_GetTicks() + 1500;
+	    }
+	    break;
+
+	    /* Losing input focus? */
+	    case FocusOut: {
+#ifdef DEBUG_XEVENTS
+printf("FocusOut!\n");
+#endif
+		posted = SDL_PrivateAppActive(0, SDL_APPINPUTFOCUS);
+
+		/* Queue leaving fullscreen mode */
+		switch_waiting = 0x01;
+		switch_time = SDL_GetTicks() + 200;
+	    }
+	    break;
+
+	    /* Generated upon EnterWindow and FocusIn */
+	    case KeymapNotify: {
+		X11_SetKeyboardState(SDL_Display, xevent.xkeymap.key_vector);
+	    }
+	    break;
+
+	    /* Mouse motion? */
+	    case MotionNotify: {
+		if ( SDL_VideoSurface ) {
+			if ( mouse_relative ) {
+				if ( using_dga & DGA_MOUSE ) {
+#ifdef DEBUG_MOTION
+  printf("DGA motion: %d,%d\n", xevent.xmotion.x_root, xevent.xmotion.y_root);
+#endif
+					posted = SDL_PrivateMouseMotion(0, 1,
+							xevent.xmotion.x_root,
+							xevent.xmotion.y_root);
+				} else {
+					posted = X11_WarpedMotion(this,&xevent);
+				}
+			} else {
+				posted = SDL_PrivateMouseMotion(0, 0,
+						xevent.xmotion.x,
+						xevent.xmotion.y);
+			}
+		}
+	    }
+	    break;
+
+	    /* Mouse button press? */
+	    case ButtonPress: {
+		posted = SDL_PrivateMouseButton(SDL_PRESSED, 
+					xevent.xbutton.button, 0, 0);
+	    }
+	    break;
+
+	    /* Mouse button release? */
+	    case ButtonRelease: {
+		posted = SDL_PrivateMouseButton(SDL_RELEASED, 
+					xevent.xbutton.button, 0, 0);
+	    }
+	    break;
+
+	    /* Key press? */
+	    case KeyPress: {
+		SDL_keysym keysym;
+		posted = SDL_PrivateKeyboard(SDL_PRESSED,
+				X11_TranslateKey(SDL_Display, &xevent.xkey,
+						 xevent.xkey.keycode,
+						 &keysym));
+	    }
+	    break;
+
+	    /* Key release? */
+	    case KeyRelease: {
+		SDL_keysym keysym;
+
+		/* Check to see if this is a repeated key */
+		if ( ! X11_KeyRepeat(SDL_Display, &xevent) ) {
+			posted = SDL_PrivateKeyboard(SDL_RELEASED, 
+				X11_TranslateKey(SDL_Display, &xevent.xkey,
+						 xevent.xkey.keycode,
+						 &keysym));
+		}
+	    }
+	    break;
+
+	    /* Have we been iconified? */
+	    case UnmapNotify: {
+#ifdef DEBUG_XEVENTS
+printf("UnmapNotify!\n");
+#endif
+		/* If we're active, make ourselves inactive */
+		if ( SDL_GetAppState() & SDL_APPACTIVE ) {
+			/* Swap out the gamma before we go inactive */
+			X11_SwapVidModeGamma(this);
+
+			/* Send an internal deactivate event */
+			posted = SDL_PrivateAppActive(0,
+					SDL_APPACTIVE|SDL_APPINPUTFOCUS);
+		}
+	    }
+	    break;
+
+	    /* Have we been restored? */
+	    case MapNotify: {
+#ifdef DEBUG_XEVENTS
+printf("MapNotify!\n");
+#endif
+		/* If we're not active, make ourselves active */
+		if ( !(SDL_GetAppState() & SDL_APPACTIVE) ) {
+			/* Send an internal activate event */
+			posted = SDL_PrivateAppActive(1, SDL_APPACTIVE);
+
+			/* Now that we're active, swap the gamma back */
+			X11_SwapVidModeGamma(this);
+		}
+
+		if ( SDL_VideoSurface &&
+		     (SDL_VideoSurface->flags & SDL_FULLSCREEN) ) {
+#ifdef GRAB_FULLSCREEN
+			X11_EnterFullScreen(this);
+#else
+			/* Queue entry into fullscreen mode */
+			switch_waiting = 0x01 | SDL_FULLSCREEN;
+			switch_time = SDL_GetTicks() + 1500;
+#endif
+		} else {
+			X11_GrabInputNoLock(this, this->input_grab);
+		}
+		if ( SDL_VideoSurface ) {
+			X11_RefreshDisplay(this);
+		}
+	    }
+	    break;
+
+	    /* Have we been resized or moved? */
+	    case ConfigureNotify: {
+#ifdef DEBUG_XEVENTS
+printf("ConfigureNotify! (resize: %dx%d)\n", xevent.xconfigure.width, xevent.xconfigure.height);
+#endif
+		if ( SDL_VideoSurface ) {
+		    if ((xevent.xconfigure.width != SDL_VideoSurface->w) ||
+		        (xevent.xconfigure.height != SDL_VideoSurface->h)) {
+			/* FIXME: Find a better fix for the bug with KDE 1.2 */
+			if ( ! ((xevent.xconfigure.width == 32) &&
+			        (xevent.xconfigure.height == 32)) ) {
+				SDL_PrivateResize(xevent.xconfigure.width,
+				                  xevent.xconfigure.height);
+			}
+		    } else {
+			/* OpenGL windows need to know about the change */
+			if ( SDL_VideoSurface->flags & SDL_OPENGL ) {
+				SDL_PrivateExpose();
+			}
+		    }
+		}
+	    }
+	    break;
+
+	    /* Have we been requested to quit (or another client message?) */
+	    case ClientMessage: {
+		if ( (xevent.xclient.format == 32) &&
+		     (xevent.xclient.data.l[0] == WM_DELETE_WINDOW) )
+		{
+			posted = SDL_PrivateQuit();
+		} else
+		if ( SDL_ProcessEvents[SDL_SYSWMEVENT] == SDL_ENABLE ) {
+			SDL_SysWMmsg wmmsg;
+
+			SDL_VERSION(&wmmsg.version);
+			wmmsg.subsystem = SDL_SYSWM_X11;
+			wmmsg.event.xevent = xevent;
+			posted = SDL_PrivateSysWMEvent(&wmmsg);
+		}
+	    }
+	    break;
+
+	    /* Do we need to refresh ourselves? */
+	    case Expose: {
+#ifdef DEBUG_XEVENTS
+printf("Expose (count = %d)\n", xevent.xexpose.count);
+#endif
+		if ( SDL_VideoSurface && (xevent.xexpose.count == 0) ) {
+			if ( SDL_VideoSurface->flags & SDL_OPENGL ) {
+				SDL_PrivateExpose();
+			} else {
+				X11_RefreshDisplay(this);
+			}
+		}
+	    }
+	    break;
+
+	    default: {
+#ifdef DEBUG_XEVENTS
+printf("Unhandled event %d\n", xevent.type);
+#endif
+		/* Only post the event if we're watching for it */
+		if ( SDL_ProcessEvents[SDL_SYSWMEVENT] == SDL_ENABLE ) {
+			SDL_SysWMmsg wmmsg;
+
+			SDL_VERSION(&wmmsg.version);
+			wmmsg.subsystem = SDL_SYSWM_X11;
+			wmmsg.event.xevent = xevent;
+			posted = SDL_PrivateSysWMEvent(&wmmsg);
+		}
+	    }
+	    break;
+	}
+	return(posted);
+}
+
+/* Ack!  XPending() actually performs a blocking read if no events available */
+int X11_Pending(Display *display)
+{
+	/* Flush the display connection and look to see if events are queued */
+	XFlush(display);
+	if ( XEventsQueued(display, QueuedAlready) ) {
+		return(1);
+	}
+
+	/* More drastic measures are required -- see if X is ready to talk */
+	{
+		static struct timeval zero_time;	/* static == 0 */
+		int x11_fd;
+		fd_set fdset;
+
+		x11_fd = ConnectionNumber(display);
+		FD_ZERO(&fdset);
+		FD_SET(x11_fd, &fdset);
+		if ( select(x11_fd+1, &fdset, NULL, NULL, &zero_time) == 1 ) {
+			return(XPending(display));
+		}
+	}
+
+	/* Oh well, nothing is ready .. */
+	return(0);
+}
+
+void X11_PumpEvents(_THIS)
+{
+	int pending;
+
+	/* Keep processing pending events */
+	pending = 0;
+	while ( X11_Pending(SDL_Display) ) {
+		X11_DispatchEvent(this);
+		++pending;
+	}
+	if ( switch_waiting ) {
+		Uint32 now;
+
+		now  = SDL_GetTicks();
+		if ( pending || !SDL_VideoSurface ) {
+			/* Try again later... */
+			if ( switch_waiting & SDL_FULLSCREEN ) {
+				switch_time = now + 1500;
+			} else {
+				switch_time = now + 200;
+			}
+		} else if ( now >= switch_time ) {
+			Uint32 go_fullscreen;
+
+			go_fullscreen = switch_waiting & SDL_FULLSCREEN;
+			switch_waiting = 0;
+			if ( SDL_VideoSurface->flags & SDL_FULLSCREEN ) {
+				if ( go_fullscreen ) {
+					X11_EnterFullScreen(this);
+				} else {
+					X11_LeaveFullScreen(this);
+				}
+			}
+			/* Handle focus in/out when grabbed */
+			if ( go_fullscreen ) {
+				X11_GrabInputNoLock(this, this->input_grab);
+			} else {
+				X11_GrabInputNoLock(this, SDL_GRAB_OFF);
+			}
+			X11_CheckMouseModeNoLock(this);
+		}
+	}
+}
+
+void X11_InitKeymap(void)
+{
+	int i;
+
+	/* Odd keys used in international keyboards */
+	for ( i=0; i<SDL_TABLESIZE(ODD_keymap); ++i )
+		ODD_keymap[i] = SDLK_UNKNOWN;
+
+#ifdef XK_dead_circumflex
+	/* These X keysyms have 0xFE as the high byte */
+	ODD_keymap[XK_dead_circumflex&0xFF] = SDLK_CARET;
+#endif
+
+	/* Map the miscellaneous keys */
+	for ( i=0; i<SDL_TABLESIZE(MISC_keymap); ++i )
+		MISC_keymap[i] = SDLK_UNKNOWN;
+
+	/* These X keysyms have 0xFF as the high byte */
+	MISC_keymap[XK_BackSpace&0xFF] = SDLK_BACKSPACE;
+	MISC_keymap[XK_Tab&0xFF] = SDLK_TAB;
+	MISC_keymap[XK_Clear&0xFF] = SDLK_CLEAR;
+	MISC_keymap[XK_Return&0xFF] = SDLK_RETURN;
+	MISC_keymap[XK_Pause&0xFF] = SDLK_PAUSE;
+	MISC_keymap[XK_Escape&0xFF] = SDLK_ESCAPE;
+	MISC_keymap[XK_Delete&0xFF] = SDLK_DELETE;
+
+	MISC_keymap[XK_KP_0&0xFF] = SDLK_KP0;		/* Keypad 0-9 */
+	MISC_keymap[XK_KP_1&0xFF] = SDLK_KP1;
+	MISC_keymap[XK_KP_2&0xFF] = SDLK_KP2;
+	MISC_keymap[XK_KP_3&0xFF] = SDLK_KP3;
+	MISC_keymap[XK_KP_4&0xFF] = SDLK_KP4;
+	MISC_keymap[XK_KP_5&0xFF] = SDLK_KP5;
+	MISC_keymap[XK_KP_6&0xFF] = SDLK_KP6;
+	MISC_keymap[XK_KP_7&0xFF] = SDLK_KP7;
+	MISC_keymap[XK_KP_8&0xFF] = SDLK_KP8;
+	MISC_keymap[XK_KP_9&0xFF] = SDLK_KP9;
+	MISC_keymap[XK_KP_Insert&0xFF] = SDLK_KP0;
+	MISC_keymap[XK_KP_End&0xFF] = SDLK_KP1;	
+	MISC_keymap[XK_KP_Down&0xFF] = SDLK_KP2;
+	MISC_keymap[XK_KP_Page_Down&0xFF] = SDLK_KP3;
+	MISC_keymap[XK_KP_Left&0xFF] = SDLK_KP4;
+	MISC_keymap[XK_KP_Begin&0xFF] = SDLK_KP5;
+	MISC_keymap[XK_KP_Right&0xFF] = SDLK_KP6;
+	MISC_keymap[XK_KP_Home&0xFF] = SDLK_KP7;
+	MISC_keymap[XK_KP_Up&0xFF] = SDLK_KP8;
+	MISC_keymap[XK_KP_Page_Up&0xFF] = SDLK_KP9;
+	MISC_keymap[XK_KP_Delete&0xFF] = SDLK_KP_PERIOD;
+	MISC_keymap[XK_KP_Decimal&0xFF] = SDLK_KP_PERIOD;
+	MISC_keymap[XK_KP_Divide&0xFF] = SDLK_KP_DIVIDE;
+	MISC_keymap[XK_KP_Multiply&0xFF] = SDLK_KP_MULTIPLY;
+	MISC_keymap[XK_KP_Subtract&0xFF] = SDLK_KP_MINUS;
+	MISC_keymap[XK_KP_Add&0xFF] = SDLK_KP_PLUS;
+	MISC_keymap[XK_KP_Enter&0xFF] = SDLK_KP_ENTER;
+	MISC_keymap[XK_KP_Equal&0xFF] = SDLK_KP_EQUALS;
+
+	MISC_keymap[XK_Up&0xFF] = SDLK_UP;
+	MISC_keymap[XK_Down&0xFF] = SDLK_DOWN;
+	MISC_keymap[XK_Right&0xFF] = SDLK_RIGHT;
+	MISC_keymap[XK_Left&0xFF] = SDLK_LEFT;
+	MISC_keymap[XK_Insert&0xFF] = SDLK_INSERT;
+	MISC_keymap[XK_Home&0xFF] = SDLK_HOME;
+	MISC_keymap[XK_End&0xFF] = SDLK_END;
+	MISC_keymap[XK_Page_Up&0xFF] = SDLK_PAGEUP;
+	MISC_keymap[XK_Page_Down&0xFF] = SDLK_PAGEDOWN;
+
+	MISC_keymap[XK_F1&0xFF] = SDLK_F1;
+	MISC_keymap[XK_F2&0xFF] = SDLK_F2;
+	MISC_keymap[XK_F3&0xFF] = SDLK_F3;
+	MISC_keymap[XK_F4&0xFF] = SDLK_F4;
+	MISC_keymap[XK_F5&0xFF] = SDLK_F5;
+	MISC_keymap[XK_F6&0xFF] = SDLK_F6;
+	MISC_keymap[XK_F7&0xFF] = SDLK_F7;
+	MISC_keymap[XK_F8&0xFF] = SDLK_F8;
+	MISC_keymap[XK_F9&0xFF] = SDLK_F9;
+	MISC_keymap[XK_F10&0xFF] = SDLK_F10;
+	MISC_keymap[XK_F11&0xFF] = SDLK_F11;
+	MISC_keymap[XK_F12&0xFF] = SDLK_F12;
+	MISC_keymap[XK_F13&0xFF] = SDLK_F13;
+	MISC_keymap[XK_F14&0xFF] = SDLK_F14;
+	MISC_keymap[XK_F15&0xFF] = SDLK_F15;
+
+	MISC_keymap[XK_Num_Lock&0xFF] = SDLK_NUMLOCK;
+	MISC_keymap[XK_Caps_Lock&0xFF] = SDLK_CAPSLOCK;
+	MISC_keymap[XK_Scroll_Lock&0xFF] = SDLK_SCROLLOCK;
+	MISC_keymap[XK_Shift_R&0xFF] = SDLK_RSHIFT;
+	MISC_keymap[XK_Shift_L&0xFF] = SDLK_LSHIFT;
+	MISC_keymap[XK_Control_R&0xFF] = SDLK_RCTRL;
+	MISC_keymap[XK_Control_L&0xFF] = SDLK_LCTRL;
+	MISC_keymap[XK_Alt_R&0xFF] = SDLK_RALT;
+	MISC_keymap[XK_Alt_L&0xFF] = SDLK_LALT;
+	MISC_keymap[XK_Meta_R&0xFF] = SDLK_RMETA;
+	MISC_keymap[XK_Meta_L&0xFF] = SDLK_LMETA;
+	MISC_keymap[XK_Super_L&0xFF] = SDLK_LSUPER; /* Left "Windows" */
+	MISC_keymap[XK_Super_R&0xFF] = SDLK_RSUPER; /* Right "Windows */
+	MISC_keymap[XK_Mode_switch&0xFF] = SDLK_MODE; /* "Alt Gr" key */
+	MISC_keymap[XK_Multi_key&0xFF] = SDLK_COMPOSE; /* Multi-key compose */
+
+	MISC_keymap[XK_Help&0xFF] = SDLK_HELP;
+	MISC_keymap[XK_Print&0xFF] = SDLK_PRINT;
+	MISC_keymap[XK_Sys_Req&0xFF] = SDLK_SYSREQ;
+	MISC_keymap[XK_Break&0xFF] = SDLK_BREAK;
+	MISC_keymap[XK_Menu&0xFF] = SDLK_MENU;
+	MISC_keymap[XK_Hyper_R&0xFF] = SDLK_MENU;   /* Windows "Menu" key */
+}
+
+SDL_keysym *X11_TranslateKey(Display *display, XKeyEvent *xkey, KeyCode kc,
+			     SDL_keysym *keysym)
+{
+	KeySym xsym;
+
+	/* Get the raw keyboard scancode */
+	keysym->scancode = kc;
+	xsym = XKeycodeToKeysym(display, kc, 0);
+#ifdef DEBUG_KEYS
+	fprintf(stderr, "Translating key 0x%.4x (%d)\n", xsym, kc);
+#endif
+	/* Get the translated SDL virtual keysym */
+	keysym->sym = SDLK_UNKNOWN;
+	if ( xsym ) {
+		switch (xsym>>8) {
+			case 0x1005FF:
+#ifdef SunXK_F36
+				if ( xsym == SunXK_F36 )
+					keysym->sym = SDLK_F11;
+#endif
+#ifdef SunXK_F37
+				if ( xsym == SunXK_F37 )
+					keysym->sym = SDLK_F12;
+#endif
+				break;
+			case 0x00:	/* Latin 1 */
+			case 0x01:	/* Latin 2 */
+			case 0x02:	/* Latin 3 */
+			case 0x03:	/* Latin 4 */
+			case 0x04:	/* Katakana */
+			case 0x05:	/* Arabic */
+			case 0x06:	/* Cyrillic */
+			case 0x07:	/* Greek */
+			case 0x08:	/* Technical */
+			case 0x0A:	/* Publishing */
+			case 0x0C:	/* Hebrew */
+			case 0x0D:	/* Thai */
+				keysym->sym = (SDLKey)(xsym&0xFF);
+				/* Map capital letter syms to lowercase */
+				if ((keysym->sym >= 'A')&&(keysym->sym <= 'Z'))
+					keysym->sym += ('a'-'A');
+				break;
+			case 0xFE:
+				keysym->sym = ODD_keymap[xsym&0xFF];
+				break;
+			case 0xFF:
+				keysym->sym = MISC_keymap[xsym&0xFF];
+				break;
+			default:
+				fprintf(stderr,
+					"X11: Unknown xsym, sym = 0x%04x\n",
+					(unsigned int)xsym);
+				break;
+		}
+	} else {
+		/* X11 doesn't know how to translate the key! */
+		switch (kc) {
+			/* Caution:
+			   These keycodes are from the Microsoft Keyboard
+			 */
+			case 115:
+				keysym->sym = SDLK_LSUPER;
+				break;
+			case 116:
+				keysym->sym = SDLK_RSUPER;
+				break;
+			case 117:
+				keysym->sym = SDLK_MENU;
+				break;
+			default:
+				/*
+				 * no point in an error message; happens for
+				 * several keys when we get a keymap notify
+				 */
+				break;
+		}
+	}
+	keysym->mod = KMOD_NONE;
+
+	/* If UNICODE is on, get the UNICODE value for the key */
+	keysym->unicode = 0;
+	if ( SDL_TranslateUNICODE && xkey ) {
+		static XComposeStatus state;
+		/* Until we handle the IM protocol, use XLookupString() */
+		unsigned char keybuf[32];
+
+#define BROKEN_XFREE86_INTERNATIONAL_KBD
+/* This appears to be a magical flag that is used with AltGr on
+   international keyboards to signal alternate key translations.
+   The flag doesn't show up when in fullscreen mode (?)
+   FIXME:  Check to see if this code is safe for other servers.
+*/
+#ifdef BROKEN_XFREE86_INTERNATIONAL_KBD
+		/* Work around what appears to be a bug in XFree86 */
+		if ( SDL_GetModState() & KMOD_MODE ) {
+			xkey->state |= (1<<13);
+		}
+#endif
+		/* Look up the translated value for the key event */
+		if ( XLookupString(xkey, (char *)keybuf, sizeof(keybuf),
+							NULL, &state) ) {
+			/*
+			 * FIXME,: XLookupString() may yield more than one
+			 * character, so we need a mechanism to allow for
+			 * this (perhaps generate null keypress events with
+			 * a unicode value)
+			 */
+			keysym->unicode = keybuf[0];
+		}
+	}
+	return(keysym);
+}
+
+/* X11 modifier masks for various keys */
+static unsigned meta_l_mask, meta_r_mask, alt_l_mask, alt_r_mask;
+static unsigned num_mask, mode_switch_mask;
+
+static void get_modifier_masks(Display *display)
+{
+	static unsigned got_masks;
+	int i, j;
+	XModifierKeymap *xmods;
+	unsigned n;
+
+	if(got_masks)
+		return;
+
+	xmods = XGetModifierMapping(display);
+	n = xmods->max_keypermod;
+	for(i = 3; i < 8; i++) {
+		for(j = 0; j < n; j++) {
+			KeyCode kc = xmods->modifiermap[i * n + j];
+			KeySym ks = XKeycodeToKeysym(display, kc, 0);
+			unsigned mask = 1 << i;
+			switch(ks) {
+			case XK_Num_Lock:
+				num_mask = mask; break;
+			case XK_Alt_L:
+				alt_l_mask = mask; break;
+			case XK_Alt_R:
+				alt_r_mask = mask; break;
+			case XK_Meta_L:
+				meta_l_mask = mask; break;
+			case XK_Meta_R:
+				meta_r_mask = mask; break;
+			case XK_Mode_switch:
+				mode_switch_mask = mask; break;
+			}
+		}
+	}
+	XFreeModifiermap(xmods);
+	got_masks = 1;
+}
+
+
+/*
+ * This function is semi-official; it is not officially exported and should
+ * not be considered part of the SDL API, but may be used by client code
+ * that *really* needs it (including legacy code).
+ * It is slow, though, and should be avoided if possible.
+ *
+ * Note that it isn't completely accurate either; in particular, multi-key
+ * sequences (dead accents, compose key sequences) will not work since the
+ * state has been irrevocably lost.
+ */
+Uint16 X11_KeyToUnicode(SDLKey keysym, SDLMod modifiers)
+{
+	struct SDL_VideoDevice *this = current_video;
+	char keybuf[32];
+	int i;
+	KeySym xsym = 0;
+	XKeyEvent xkey;
+	Uint16 unicode;
+
+	if ( !this || !SDL_Display ) {
+		return 0;
+	}
+
+	memset(&xkey, 0, sizeof(xkey));
+	xkey.display = SDL_Display;
+
+	xsym = keysym;		/* last resort if not found */
+	for (i = 0; i < 256; ++i) {
+		if ( MISC_keymap[i] == keysym ) {
+			xsym = 0xFF00 | i;
+			break;
+		} else if ( ODD_keymap[i] == keysym ) {
+			xsym = 0xFE00 | i;
+			break;
+		}
+	}
+
+	xkey.keycode = XKeysymToKeycode(xkey.display, xsym);
+
+	get_modifier_masks(SDL_Display);
+	if(modifiers & KMOD_SHIFT)
+		xkey.state |= ShiftMask;
+	if(modifiers & KMOD_CAPS)
+		xkey.state |= LockMask;
+	if(modifiers & KMOD_CTRL)
+		xkey.state |= ControlMask;
+	if(modifiers & KMOD_MODE)
+		xkey.state |= mode_switch_mask;
+	if(modifiers & KMOD_LALT)
+		xkey.state |= alt_l_mask;
+	if(modifiers & KMOD_RALT)
+		xkey.state |= alt_r_mask;
+	if(modifiers & KMOD_LMETA)
+		xkey.state |= meta_l_mask;
+	if(modifiers & KMOD_RMETA)
+		xkey.state |= meta_r_mask;
+	if(modifiers & KMOD_NUM)
+		xkey.state |= num_mask;
+
+	unicode = 0;
+	if ( XLookupString(&xkey, keybuf, sizeof(keybuf), NULL, NULL) )
+		unicode = (unsigned char)keybuf[0];
+	return(unicode);
+}
+
+/*
+ * Called when focus is regained, to read the keyboard state and generate
+ * synthetic keypress/release events.
+ * key_vec is a bit vector of keycodes (256 bits)
+ */
+void X11_SetKeyboardState(Display *display, const char *key_vec)
+{
+	char keys_return[32];
+	int i, gen_event;
+	KeyCode xcode[SDLK_LAST];
+	Uint8 new_kstate[SDLK_LAST];
+	Uint8 *kstate = SDL_GetKeyState(NULL);
+
+	/* The first time the window is mapped, we initialize key state */
+	if ( ! key_vec ) {
+		key_vec = keys_return;
+		XQueryKeymap(display, keys_return);
+		gen_event = 0;
+	} else {
+		gen_event = 1;
+	}
+
+	/* Zero the new state and generate it */
+	memset(new_kstate, 0, sizeof(new_kstate));
+	/*
+	 * An obvious optimisation is to check entire longwords at a time in
+	 * both loops, but we can't be sure the arrays are aligned so it's not
+	 * worth the extra complexity
+	 */
+	for(i = 0; i < 32; i++) {
+		int j;
+		if(!key_vec[i])
+			continue;
+		for(j = 0; j < 8; j++) {
+			if(key_vec[i] & (1 << j)) {
+				SDL_keysym sk;
+				KeyCode kc = i << 3 | j;
+				X11_TranslateKey(display, NULL, kc, &sk);
+				new_kstate[sk.sym] = 1;
+				xcode[sk.sym] = kc;
+			}
+		}
+	}
+	for(i = SDLK_FIRST+1; i < SDLK_LAST; i++) {
+		int st;
+		SDL_keysym sk;
+
+		if(kstate[i] == new_kstate[i])
+			continue;
+		/*
+		 * Send a fake keyboard event correcting the difference between
+		 * SDL's keyboard state and the actual. Note that there is no
+		 * way to find out the scancode for key releases, but since all
+		 * keys are released when focus is lost only keypresses should
+		 * be sent here
+		 */
+		st = new_kstate[i] ? SDL_PRESSED : SDL_RELEASED;
+		memset(&sk, 0, sizeof(sk));
+		sk.sym = i;
+		sk.scancode = xcode[i];		/* only valid for key press */
+		if ( gen_event ) {
+			SDL_PrivateKeyboard(st, &sk);
+		} else {
+			kstate[i] = new_kstate[i];
+		}
+	}
+}
+
+void X11_InitOSKeymap(_THIS)
+{
+	X11_InitKeymap();
+}
+