Checked in the following released items:

xkeyboard-config-1.4.tar.gz
ttf-bitstream-vera-1.10.tar.gz
font-alias-1.0.1.tar.gz
font-sun-misc-1.0.0.tar.gz
font-sun-misc-1.0.0.tar.gz
font-sony-misc-1.0.0.tar.gz
font-schumacher-misc-1.0.0.tar.gz
font-mutt-misc-1.0.0.tar.gz
font-misc-misc-1.0.0.tar.gz
font-misc-meltho-1.0.0.tar.gz
font-micro-misc-1.0.0.tar.gz
font-jis-misc-1.0.0.tar.gz
font-isas-misc-1.0.0.tar.gz
font-dec-misc-1.0.0.tar.gz
font-daewoo-misc-1.0.0.tar.gz
font-cursor-misc-1.0.0.tar.gz
font-arabic-misc-1.0.0.tar.gz
font-winitzki-cyrillic-1.0.0.tar.gz
font-misc-cyrillic-1.0.0.tar.gz
font-cronyx-cyrillic-1.0.0.tar.gz
font-screen-cyrillic-1.0.1.tar.gz
font-xfree86-type1-1.0.1.tar.gz
font-adobe-utopia-type1-1.0.1.tar.gz
font-ibm-type1-1.0.0.tar.gz
font-bitstream-type1-1.0.0.tar.gz
font-bitstream-speedo-1.0.0.tar.gz
font-bh-ttf-1.0.0.tar.gz
font-bh-type1-1.0.0.tar.gz
font-bitstream-100dpi-1.0.0.tar.gz
font-bh-lucidatypewriter-100dpi-1.0.0.tar.gz
font-bh-100dpi-1.0.0.tar.gz
font-adobe-utopia-100dpi-1.0.1.tar.gz
font-adobe-100dpi-1.0.0.tar.gz
font-util-1.0.1.tar.gz
font-bitstream-75dpi-1.0.0.tar.gz
font-bh-lucidatypewriter-75dpi-1.0.0.tar.gz
font-adobe-utopia-75dpi-1.0.1.tar.gz
font-bh-75dpi-1.0.0.tar.gz
bdftopcf-1.0.1.tar.gz
font-adobe-75dpi-1.0.0.tar.gz
mkfontscale-1.0.6.tar.gz
openssl-0.9.8k.tar.gz
bigreqsproto-1.0.2.tar.gz
xtrans-1.2.2.tar.gz
resourceproto-1.0.2.tar.gz
inputproto-1.4.4.tar.gz
compositeproto-0.4.tar.gz
damageproto-1.1.0.tar.gz
zlib-1.2.3.tar.gz
xkbcomp-1.0.5.tar.gz
freetype-2.3.9.tar.gz
pthreads-w32-2-8-0-release.tar.gz
pixman-0.12.0.tar.gz
kbproto-1.0.3.tar.gz
evieext-1.0.2.tar.gz
fixesproto-4.0.tar.gz
recordproto-1.13.2.tar.gz
randrproto-1.2.2.tar.gz
scrnsaverproto-1.1.0.tar.gz
renderproto-0.9.3.tar.gz
xcmiscproto-1.1.2.tar.gz
fontsproto-2.0.2.tar.gz
xextproto-7.0.3.tar.gz
xproto-7.0.14.tar.gz
libXdmcp-1.0.2.tar.gz
libxkbfile-1.0.5.tar.gz
libfontenc-1.0.4.tar.gz
libXfont-1.3.4.tar.gz
libX11-1.1.5.tar.gz
libXau-1.0.4.tar.gz
libxcb-1.1.tar.gz
xorg-server-1.5.3.tar.gz

1 files changed, 820 insertions, 0 deletions

diff --git a/xorg-server/hw/xfree86/common/xf86Cursor.c b/xorg-server/hw/xfree86/common/xf86Cursor.c
new file mode 100644
index 000000000..3ea1b4d91
--- /dev/null
+++ b/xorg-server/hw/xfree86/common/xf86Cursor.c
@@ -0,0 +1,820 @@
+/*
+ * Copyright (c) 1994-2003 by The XFree86 Project, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Except as contained in this notice, the name of the copyright holder(s)
+ * and author(s) shall not be used in advertising or otherwise to promote
+ * the sale, use or other dealings in this Software without prior written
+ * authorization from the copyright holder(s) and author(s).
+ */
+
+#define NEED_EVENTS
+#ifdef HAVE_XORG_CONFIG_H
+#include <xorg-config.h>
+#endif
+
+#include <X11/X.h>
+#include <X11/Xmd.h>
+#include "input.h"
+#include "cursor.h"
+#include "mipointer.h"
+#include "scrnintstr.h"
+#include "globals.h"
+
+#include "compiler.h"
+
+#include "xf86.h"
+#include "xf86Priv.h"
+#include "xf86_OSproc.h"
+
+#ifdef XINPUT
+#include <X11/extensions/XIproto.h>
+#include "xf86Xinput.h"
+#endif
+
+#ifdef XFreeXDGA
+#include "dgaproc.h"
+#endif
+
+typedef struct _xf86EdgeRec {
+   short screen;
+   short start;
+   short end;
+   DDXPointRec offset;
+   struct _xf86EdgeRec *next;
+} xf86EdgeRec, *xf86EdgePtr;
+
+typedef struct {
+    xf86EdgePtr	left, right, up, down;
+} xf86ScreenLayoutRec, *xf86ScreenLayoutPtr;
+
+static Bool xf86CursorOffScreen(ScreenPtr *pScreen, int *x, int *y);
+static void xf86CrossScreen(ScreenPtr pScreen, Bool entering);
+static void xf86WarpCursor(ScreenPtr pScreen, int x, int y);
+
+static void xf86PointerMoved(int scrnIndex, int x, int y);
+
+static miPointerScreenFuncRec xf86PointerScreenFuncs = {
+  xf86CursorOffScreen,
+  xf86CrossScreen,
+  xf86WarpCursor,
+  /* let miPointerInitialize take care of these */
+  NULL,
+  NULL
+};
+
+static xf86ScreenLayoutRec xf86ScreenLayout[MAXSCREENS];
+
+static Bool HardEdges;
+
+/*
+ * xf86InitViewport --
+ *      Initialize paning & zooming parameters, so that a driver must only
+ *      check what resolutions are possible and whether the virtual area
+ *      is valid if specified.
+ */
+
+void
+xf86InitViewport(ScrnInfoPtr pScr)
+{
+
+  pScr->PointerMoved = xf86PointerMoved;
+
+  /*
+   * Compute the initial Viewport if necessary
+   */
+  if (pScr->display) {
+    if (pScr->display->frameX0 < 0) {
+      pScr->frameX0 = (pScr->virtualX - pScr->modes->HDisplay) / 2;
+      pScr->frameY0 = (pScr->virtualY - pScr->modes->VDisplay) / 2;
+    } else {
+      pScr->frameX0 = pScr->display->frameX0;
+      pScr->frameY0 = pScr->display->frameY0;
+    }
+  }
+
+  pScr->frameX1 = pScr->frameX0 + pScr->modes->HDisplay - 1;
+  pScr->frameY1 = pScr->frameY0 + pScr->modes->VDisplay - 1;
+
+  /*
+   * Now adjust the initial Viewport, so it lies within the virtual area
+   */
+  if (pScr->frameX1 >= pScr->virtualX)
+    {
+	pScr->frameX0 = pScr->virtualX - pScr->modes->HDisplay;
+	pScr->frameX1 = pScr->frameX0 + pScr->modes->HDisplay - 1;
+    }
+
+  if (pScr->frameY1 >= pScr->virtualY)
+    {
+	pScr->frameY0 = pScr->virtualY - pScr->modes->VDisplay;
+	pScr->frameY1 = pScr->frameY0 + pScr->modes->VDisplay - 1;
+    }
+}
+
+
+/*
+ * xf86SetViewport --
+ *      Scroll the visual part of the screen so the pointer is visible.
+ */
+
+void
+xf86SetViewport(ScreenPtr pScreen, int x, int y)
+{
+  ScrnInfoPtr   pScr = XF86SCRNINFO(pScreen);
+
+  (*pScr->PointerMoved)(pScreen->myNum, x, y);
+}
+
+
+static void 
+xf86PointerMoved(int scrnIndex, int x, int y)
+{
+  Bool          frameChanged = FALSE;
+  ScrnInfoPtr   pScr = xf86Screens[scrnIndex];
+
+  /*
+   * check wether (x,y) belongs to the visual part of the screen
+   * if not, change the base of the displayed frame accoring
+   */
+  if ( pScr->frameX0 > x) { 
+    pScr->frameX0 = x;
+    pScr->frameX1 = x + pScr->currentMode->HDisplay - 1;
+    frameChanged = TRUE ;
+  }
+  
+  if ( pScr->frameX1 < x) { 
+    pScr->frameX1 = x + 1;
+    pScr->frameX0 = x - pScr->currentMode->HDisplay + 1;
+    frameChanged = TRUE ;
+  }
+  
+  if ( pScr->frameY0 > y) { 
+    pScr->frameY0 = y;
+    pScr->frameY1 = y + pScr->currentMode->VDisplay - 1;
+    frameChanged = TRUE;
+  }
+  
+  if ( pScr->frameY1 < y) { 
+    pScr->frameY1 = y;
+    pScr->frameY0 = y - pScr->currentMode->VDisplay + 1;
+    frameChanged = TRUE; 
+  }
+  
+  if (frameChanged && pScr->AdjustFrame != NULL)
+    pScr->AdjustFrame(pScr->scrnIndex, pScr->frameX0, pScr->frameY0, 0);
+}
+
+/*
+ * xf86LockZoom --
+ *	Enable/disable ZoomViewport
+ */
+
+void
+xf86LockZoom(ScreenPtr pScreen, Bool lock)
+{
+  XF86SCRNINFO(pScreen)->zoomLocked = lock;
+}
+
+/*
+ * xf86SwitchMode --
+ *	This is called by both keyboard processing and the VidMode extension to
+ *	set a new mode.
+ */
+
+Bool
+xf86SwitchMode(ScreenPtr pScreen, DisplayModePtr mode)
+{
+  ScrnInfoPtr pScr = XF86SCRNINFO(pScreen);
+  ScreenPtr   pCursorScreen;
+  Bool        Switched;
+  int         px, py;
+
+  if (!pScr->vtSema || !mode || !pScr->SwitchMode)
+    return FALSE;
+
+#ifdef XFreeXDGA
+  if (DGAActive(pScr->scrnIndex))
+    return FALSE;
+#endif
+
+  if (mode == pScr->currentMode)
+    return TRUE;
+
+  if (mode->HDisplay > pScr->virtualX || mode->VDisplay > pScr->virtualY)
+    return FALSE;
+
+  pCursorScreen = miPointerGetScreen(inputInfo.pointer);
+  if (pScreen == pCursorScreen)
+    miPointerGetPosition(inputInfo.pointer, &px, &py);
+
+  xf86EnterServerState(SETUP);
+  Switched = (*pScr->SwitchMode)(pScr->scrnIndex, mode, 0);
+  if (Switched) {
+    pScr->currentMode = mode;
+
+    /*
+     * Adjust frame for new display size.
+     */
+    if (pScreen == pCursorScreen)
+      pScr->frameX0 = px - (mode->HDisplay / 2) + 1;
+    else
+      pScr->frameX0 = (pScr->frameX0 + pScr->frameX1 + 1 - mode->HDisplay) / 2;
+
+    if (pScr->frameX0 < 0)
+      pScr->frameX0 = 0;
+
+    pScr->frameX1 = pScr->frameX0 + mode->HDisplay - 1;
+    if (pScr->frameX1 >= pScr->virtualX) {
+      pScr->frameX0 = pScr->virtualX - mode->HDisplay;
+      pScr->frameX1 = pScr->virtualX - 1;
+    }
+
+    if (pScreen == pCursorScreen)
+      pScr->frameY0 = py - (mode->VDisplay / 2) + 1;
+    else
+      pScr->frameY0 = (pScr->frameY0 + pScr->frameY1 + 1 - mode->VDisplay) / 2;
+
+    if (pScr->frameY0 < 0)
+      pScr->frameY0 = 0;
+
+    pScr->frameY1 = pScr->frameY0 + mode->VDisplay - 1;
+    if (pScr->frameY1 >= pScr->virtualY) {
+      pScr->frameY0 = pScr->virtualY - mode->VDisplay;
+      pScr->frameY1 = pScr->virtualY - 1;
+    }
+  }
+  xf86EnterServerState(OPERATING);
+
+  if (pScr->AdjustFrame)
+    (*pScr->AdjustFrame)(pScr->scrnIndex, pScr->frameX0, pScr->frameY0, 0);
+
+  if (pScreen == pCursorScreen)
+    xf86WarpCursor(pScreen, px, py);
+
+  return Switched;
+}
+    
+/*
+ * xf86ZoomViewport --
+ *      Reinitialize the visual part of the screen for another mode.
+ */
+
+void
+xf86ZoomViewport(ScreenPtr pScreen, int zoom)
+{
+  ScrnInfoPtr    pScr = XF86SCRNINFO(pScreen);
+  DisplayModePtr mode;
+
+  if (pScr->zoomLocked || !(mode = pScr->currentMode))
+    return;
+
+  do {
+    if (zoom > 0)
+      mode = mode->next;
+    else
+      mode = mode->prev;
+  } while (mode != pScr->currentMode && !(mode->type & M_T_USERDEF));
+
+  (void)xf86SwitchMode(pScreen, mode);
+}
+
+
+static xf86EdgePtr
+FindEdge(xf86EdgePtr edge, int val)
+{
+    while(edge && (edge->end <= val))
+	edge = edge->next;
+
+    if(edge && (edge->start <= val))
+	return edge;
+
+    return NULL;
+}
+
+/*
+ * xf86CursorOffScreen --
+ *      Check whether it is necessary to switch to another screen
+ */
+
+static Bool
+xf86CursorOffScreen(ScreenPtr *pScreen, int *x, int *y)
+{
+    xf86EdgePtr edge;
+    int tmp;
+
+    if(screenInfo.numScreens == 1)
+	return FALSE;
+
+    if(*x < 0) {
+        tmp = *y;
+	if(tmp < 0) tmp = 0;
+	if(tmp >= (*pScreen)->height) tmp = (*pScreen)->height - 1;
+
+	if((edge = xf86ScreenLayout[(*pScreen)->myNum].left))
+	   edge = FindEdge(edge, tmp);
+
+	if(!edge) *x = 0;
+	else {
+	    *x += edge->offset.x;
+	    *y += edge->offset.y;
+	    *pScreen = xf86Screens[edge->screen]->pScreen;
+	}
+    }
+
+    if(*x >= (*pScreen)->width) {
+        tmp = *y;
+	if(tmp < 0) tmp = 0;
+	if(tmp >= (*pScreen)->height) tmp = (*pScreen)->height - 1;
+
+	if((edge = xf86ScreenLayout[(*pScreen)->myNum].right))
+	   edge = FindEdge(edge, tmp);
+
+	if(!edge) *x = (*pScreen)->width - 1;
+	else {
+	    *x += edge->offset.x;
+	    *y += edge->offset.y;
+	    *pScreen = xf86Screens[edge->screen]->pScreen;
+	}
+    }
+
+    if(*y < 0) {
+        tmp = *x;
+	if(tmp < 0) tmp = 0;
+	if(tmp >= (*pScreen)->width) tmp = (*pScreen)->width - 1;
+
+	if((edge = xf86ScreenLayout[(*pScreen)->myNum].up))
+	   edge = FindEdge(edge, tmp);
+
+	if(!edge) *y = 0;
+	else {
+	    *x += edge->offset.x;
+	    *y += edge->offset.y;
+	    *pScreen = xf86Screens[edge->screen]->pScreen;
+	}
+    }
+
+    if(*y >= (*pScreen)->height) {
+        tmp = *x;
+	if(tmp < 0) tmp = 0;
+	if(tmp >= (*pScreen)->width) tmp = (*pScreen)->width - 1;
+
+	if((edge = xf86ScreenLayout[(*pScreen)->myNum].down))
+	   edge = FindEdge(edge, tmp);
+
+	if(!edge) *y = (*pScreen)->height - 1;
+	else {
+	    *x += edge->offset.x;
+	    *y += edge->offset.y;
+	    (*pScreen) = xf86Screens[edge->screen]->pScreen;
+	}
+    }
+
+
+#if 0
+    /* This presents problems for overlapping screens when
+ 	HardEdges is used.  Have to think about the logic more */
+    if((*x < 0) || (*x >= (*pScreen)->width) || 
+       (*y < 0) || (*y >= (*pScreen)->height)) {
+	/* We may have crossed more than one screen */
+	xf86CursorOffScreen(pScreen, x, y);
+    }
+#endif
+
+    return TRUE;
+}
+
+
+
+/*
+ * xf86CrossScreen --
+ *      Switch to another screen
+ *
+ *	Currently nothing special happens, but mi assumes the CrossScreen
+ *	method exists.
+ */
+
+static void
+xf86CrossScreen (ScreenPtr pScreen, Bool entering)
+{
+}
+
+
+/*
+ * xf86WarpCursor --
+ *      Warp possible to another screen
+ */
+
+/* ARGSUSED */
+static void
+xf86WarpCursor (ScreenPtr pScreen, int x, int y)
+{
+    int    sigstate;
+    sigstate = xf86BlockSIGIO ();
+  miPointerWarpCursor(pScreen,x,y);
+
+  xf86Info.currentScreen = pScreen;
+    xf86UnblockSIGIO (sigstate);
+}
+
+
+_X_EXPORT void *
+xf86GetPointerScreenFuncs(void)
+{
+    return (void *)&xf86PointerScreenFuncs;
+}
+
+
+static xf86EdgePtr
+AddEdge(
+   xf86EdgePtr edge, 
+   short min, 
+   short max,
+   short dx,
+   short dy,
+   short screen
+){
+   xf86EdgePtr pEdge = edge, pPrev = NULL, pNew;
+
+   while(1) {
+	while(pEdge && (min >= pEdge->end)) {
+	    pPrev = pEdge;
+	    pEdge = pEdge->next;
+	}  
+
+	if(!pEdge) {
+	    if(!(pNew = xalloc(sizeof(xf86EdgeRec))))
+		break;
+
+	    pNew->screen = screen;
+	    pNew->start = min;  
+	    pNew->end = max;   
+	    pNew->offset.x = dx;
+	    pNew->offset.y = dy;
+	    pNew->next = NULL;
+
+	    if(pPrev)
+		pPrev->next = pNew;
+	    else
+		edge = pNew;
+	    
+	    break;
+	} else if (min < pEdge->start) {
+	    if(!(pNew = xalloc(sizeof(xf86EdgeRec))))
+		break;
+
+	    pNew->screen = screen;
+	    pNew->start = min;  
+	    pNew->offset.x = dx;
+	    pNew->offset.y = dy;
+	    pNew->next = pEdge;
+
+	    if(pPrev) pPrev->next = pNew;
+	    else edge = pNew;
+
+	    if(max <= pEdge->start) {
+		pNew->end = max;   
+		break;
+	    } else {
+		pNew->end = pEdge->start;
+		min = pEdge->end;
+	    }
+	} else
+	    min = pEdge->end;
+
+	pPrev = pEdge;
+	pEdge = pEdge->next;
+
+	if(max <= min) break;
+   }
+	
+   return edge;
+}
+
+static void
+FillOutEdge(xf86EdgePtr pEdge, int limit)
+{
+    xf86EdgePtr pNext;
+    int diff;
+
+    if(pEdge->start > 0) pEdge->start = 0;
+
+    while((pNext = pEdge->next)) {
+	diff = pNext->start - pEdge->end;
+	if(diff > 0) {	
+	    pEdge->end += diff >> 1;
+	    pNext->start -= diff - (diff >> 1);
+	}
+	pEdge = pNext;
+    }
+
+    if(pEdge->end < limit)
+	pEdge->end = limit;    
+}
+
+/*
+ * xf86InitOrigins() can deal with a maximum of 32 screens
+ * on 32 bit architectures, 64 on 64 bit architectures.
+ */
+
+void
+xf86InitOrigins(void)
+{
+    unsigned long screensLeft, prevScreensLeft, mask;
+    screenLayoutPtr screen;
+    ScreenPtr pScreen;
+    int x1, x2, y1, y2, left, right, top, bottom;
+    int i, j, ref, minX, minY, min, max;
+    xf86ScreenLayoutPtr pLayout;
+    Bool OldStyleConfig = FALSE;
+
+    /* need to have this set up with a config file option */
+    HardEdges = FALSE;
+
+    bzero(xf86ScreenLayout, MAXSCREENS * sizeof(xf86ScreenLayoutRec));
+	
+    screensLeft = prevScreensLeft = (1 << xf86NumScreens) - 1;
+
+    while(1) {
+	for(mask = screensLeft, i = 0; mask; mask >>= 1, i++) {
+	    if(!(mask & 1L)) continue;
+
+	    screen = &xf86ConfigLayout.screens[i];
+
+	    if (screen->refscreen != NULL &&
+		screen->refscreen->screennum >= xf86NumScreens) {
+		screensLeft &= ~(1 << i);
+	        xf86Msg(X_WARNING, "Not including screen \"%s\" in origins calculation.\n",
+			screen->screen->id);
+	        continue;
+	    }
+
+	    switch(screen->where) {
+	    case PosObsolete:
+		OldStyleConfig = TRUE;
+		pLayout = &xf86ScreenLayout[i];
+		/* force edge lists */
+		if(screen->left) {
+		    ref = screen->left->screennum;
+		    if (! xf86Screens[ref] || ! xf86Screens[ref]->pScreen) {
+			ErrorF("Referenced uninitialized screen in Layout!\n");
+			break;
+		    }
+		    pLayout->left = AddEdge(pLayout->left, 
+			0, xf86Screens[i]->pScreen->height,
+			xf86Screens[ref]->pScreen->width, 0, ref);
+		}
+		if(screen->right) {
+		    ref = screen->right->screennum;
+		    if (! xf86Screens[ref] || ! xf86Screens[ref]->pScreen) {
+			ErrorF("Referenced uninitialized screen in Layout!\n");
+			break;
+		    }
+		    pScreen = xf86Screens[i]->pScreen;
+		    pLayout->right = AddEdge(pLayout->right, 
+			0, pScreen->height, -pScreen->width, 0, ref);
+		}
+		if(screen->top) {
+		    ref = screen->top->screennum;
+		    if (! xf86Screens[ref] || ! xf86Screens[ref]->pScreen) {
+			ErrorF("Referenced uninitialized screen in Layout!\n");
+			break;
+		    }
+		    pLayout->up = AddEdge(pLayout->up, 
+			0, xf86Screens[i]->pScreen->width,
+			0, xf86Screens[ref]->pScreen->height, ref);
+		}
+		if(screen->bottom) {
+		    ref = screen->bottom->screennum;
+		    if (! xf86Screens[ref] || ! xf86Screens[ref]->pScreen) {
+			ErrorF("Referenced uninitialized screen in Layout!\n");
+			break;
+		    }
+		    pScreen = xf86Screens[i]->pScreen;
+		    pLayout->down = AddEdge(pLayout->down, 
+			0, pScreen->width, 0, -pScreen->height, ref);
+		}
+	        /* we could also try to place it based on those
+		   relative locations if we wanted to */
+		screen->x = screen->y = 0;
+		/* FALLTHROUGH */
+	    case PosAbsolute:
+		dixScreenOrigins[i].x = screen->x;
+		dixScreenOrigins[i].y = screen->y;
+		screensLeft &= ~(1 << i);
+		break;
+	    case PosRelative:
+		ref = screen->refscreen->screennum;
+		if (! xf86Screens[ref] || ! xf86Screens[ref]->pScreen) {
+		    ErrorF("Referenced uninitialized screen in Layout!\n");
+		    break;
+		}
+		if(screensLeft & (1 << ref)) break;
+		dixScreenOrigins[i].x = dixScreenOrigins[ref].x + screen->x;
+		dixScreenOrigins[i].y = dixScreenOrigins[ref].y + screen->y;
+		screensLeft &= ~(1 << i);
+		break;
+	    case PosRightOf:
+		ref = screen->refscreen->screennum;
+		if (! xf86Screens[ref] || ! xf86Screens[ref]->pScreen) {
+		    ErrorF("Referenced uninitialized screen in Layout!\n");
+		    break;
+		}
+		if(screensLeft & (1 << ref)) break;
+		pScreen = xf86Screens[ref]->pScreen;
+		dixScreenOrigins[i].x = 
+			dixScreenOrigins[ref].x + pScreen->width;
+		dixScreenOrigins[i].y = dixScreenOrigins[ref].y;
+		screensLeft &= ~(1 << i);
+		break;
+	    case PosLeftOf:
+		ref = screen->refscreen->screennum;
+		if (! xf86Screens[ref] || ! xf86Screens[ref]->pScreen) {
+		    ErrorF("Referenced uninitialized screen in Layout!\n");
+		    break;
+		}
+		if(screensLeft & (1 << ref)) break;
+		pScreen = xf86Screens[i]->pScreen;
+		dixScreenOrigins[i].x = 
+			dixScreenOrigins[ref].x - pScreen->width;
+		dixScreenOrigins[i].y = dixScreenOrigins[ref].y;
+		screensLeft &= ~(1 << i);
+		break;
+	    case PosBelow:
+		ref = screen->refscreen->screennum;
+		if (! xf86Screens[ref] || ! xf86Screens[ref]->pScreen) {
+		    ErrorF("Referenced uninitialized screen in Layout!\n");
+		    break;
+		}
+		if(screensLeft & (1 << ref)) break;
+		pScreen = xf86Screens[ref]->pScreen;
+		dixScreenOrigins[i].x = dixScreenOrigins[ref].x;
+		dixScreenOrigins[i].y = 
+			dixScreenOrigins[ref].y + pScreen->height;
+		screensLeft &= ~(1 << i);
+		break;
+	    case PosAbove:
+		ref = screen->refscreen->screennum;
+		if (! xf86Screens[ref] || ! xf86Screens[ref]->pScreen) {
+		    ErrorF("Referenced uninitialized screen in Layout!\n");
+		    break;
+		}
+		if(screensLeft & (1 << ref)) break;
+		pScreen = xf86Screens[i]->pScreen;
+		dixScreenOrigins[i].x = dixScreenOrigins[ref].x;
+		dixScreenOrigins[i].y = 
+			dixScreenOrigins[ref].y - pScreen->height;
+		screensLeft &= ~(1 << i);
+		break;
+	    default:
+		ErrorF("Illegal placement keyword in Layout!\n");
+		break;
+	    }
+
+	}
+
+	if(!screensLeft) break;
+
+	if(screensLeft == prevScreensLeft) {
+	/* All the remaining screens are referencing each other.
+	   Assign a value to one of them and go through again */
+	    i = 0;
+	    while(!((1 << i) & screensLeft)){ i++; }
+
+	    ref = xf86ConfigLayout.screens[i].refscreen->screennum;
+	    dixScreenOrigins[ref].x = dixScreenOrigins[ref].y = 0;
+	    screensLeft &= ~(1 << ref);
+	}
+
+	prevScreensLeft = screensLeft;
+    }
+
+    /* justify the topmost and leftmost to (0,0) */
+    minX = dixScreenOrigins[0].x;
+    minY = dixScreenOrigins[0].y;
+
+    for(i = 1; i < xf86NumScreens; i++) {
+	if(dixScreenOrigins[i].x < minX)
+	  minX = dixScreenOrigins[i].x;
+	if(dixScreenOrigins[i].y < minY)
+	  minY = dixScreenOrigins[i].y;
+    }
+
+    if (minX || minY) {
+	for(i = 0; i < xf86NumScreens; i++) {
+	   dixScreenOrigins[i].x -= minX;
+	   dixScreenOrigins[i].y -= minY;
+	}
+    }
+
+
+    /* Create the edge lists */
+
+    if(!OldStyleConfig) {
+      for(i = 0; i < xf86NumScreens; i++) {
+	pLayout = &xf86ScreenLayout[i];
+
+	pScreen = xf86Screens[i]->pScreen;
+
+	left = dixScreenOrigins[i].x;
+	right = left + pScreen->width;
+	top = dixScreenOrigins[i].y;
+	bottom = top + pScreen->height;
+
+	for(j = 0; j < xf86NumScreens; j++) {
+	    if(i == j) continue;
+
+	    x1 = dixScreenOrigins[j].x;
+	    x2 = x1 + xf86Screens[j]->pScreen->width;
+	    y1 = dixScreenOrigins[j].y;
+	    y2 = y1 + xf86Screens[j]->pScreen->height;
+
+	    if((bottom > y1) && (top < y2)) {
+		min = y1 - top;
+		if(min < 0) min = 0;
+		max = pScreen->height - (bottom - y2);
+		if(max > pScreen->height) max = pScreen->height;
+
+		if(((left - 1) >= x1) && ((left - 1) < x2))
+		    pLayout->left = AddEdge(pLayout->left, min, max,
+			dixScreenOrigins[i].x - dixScreenOrigins[j].x,
+			dixScreenOrigins[i].y - dixScreenOrigins[j].y, j);
+
+		if((right >= x1) && (right < x2))	
+		    pLayout->right = AddEdge(pLayout->right, min, max,
+			dixScreenOrigins[i].x - dixScreenOrigins[j].x,
+			dixScreenOrigins[i].y - dixScreenOrigins[j].y, j);
+	    }
+
+
+	    if((left < x2) && (right > x1)) {
+		min = x1 - left;
+		if(min < 0) min = 0;
+		max = pScreen->width - (right - x2);
+		if(max > pScreen->width) max = pScreen->width;
+
+		if(((top - 1) >= y1) && ((top - 1) < y2))
+		    pLayout->up = AddEdge(pLayout->up, min, max,
+			dixScreenOrigins[i].x - dixScreenOrigins[j].x,
+			dixScreenOrigins[i].y - dixScreenOrigins[j].y, j);
+
+		if((bottom >= y1) && (bottom < y2))
+		    pLayout->down = AddEdge(pLayout->down, min, max,
+			dixScreenOrigins[i].x - dixScreenOrigins[j].x,
+			dixScreenOrigins[i].y - dixScreenOrigins[j].y, j);
+	    }
+	}
+      }
+    }
+
+    if(!HardEdges && !OldStyleConfig) {
+	for(i = 0; i < xf86NumScreens; i++) {
+	    pLayout = &xf86ScreenLayout[i];
+	    pScreen = xf86Screens[i]->pScreen;
+	    if(pLayout->left) 
+		FillOutEdge(pLayout->left, pScreen->height);
+	    if(pLayout->right) 
+		FillOutEdge(pLayout->right, pScreen->height);
+	    if(pLayout->up) 
+		FillOutEdge(pLayout->up, pScreen->width);
+	    if(pLayout->down) 
+		FillOutEdge(pLayout->down, pScreen->width);
+	}
+    }
+}
+
+void
+xf86ReconfigureLayout(void)
+{
+    int i;
+
+    for (i = 0; i < MAXSCREENS; i++) {
+	xf86ScreenLayoutPtr sl = &xf86ScreenLayout[i];
+	/* we don't have to zero these, xf86InitOrigins() takes care of that */
+	if (sl->left) xfree(sl->left);
+	if (sl->right) xfree(sl->right);
+	if (sl->up) xfree(sl->up);
+	if (sl->down) xfree(sl->down);
+    }
+
+    xf86InitOrigins();
+}
+
+