Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.

BUG:215923


git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdebase@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

3 files changed, 3019 insertions, 0 deletions

diff --git a/kwin/kompmgr/Makefile.am b/kwin/kompmgr/Makefile.am
new file mode 100644
index 000000000..6cc8ce434
--- /dev/null
+++ b/kwin/kompmgr/Makefile.am
@@ -0,0 +1,6 @@
+bin_PROGRAMS = kompmgr
+
+kompmgr_SOURCES = kompmgr.c
+kompmgr_LDADD =  $(X_LDFLAGS) $(X_RPATH) -lXcomposite -lXdamage -lXfixes $(LIB_XRENDER) $(LIB_X11) -lXext -lm
+
+INCLUDES = $(all_includes)
diff --git a/kwin/kompmgr/configure.in.in b/kwin/kompmgr/configure.in.in
new file mode 100644
index 000000000..bbabdd73c
--- /dev/null
+++ b/kwin/kompmgr/configure.in.in
@@ -0,0 +1,8 @@
+if test "x$with_composite" != "xno"; then
+  KDE_CHECK_HEADERS(X11/extensions/Xdamage.h,,compile_kompmgr=no,[#include <X11/Xlib.h>])
+  KDE_CHECK_HEADERS(X11/extensions/Xcomposite.h,,compile_kompmgr=no,[#include <X11/Xlib.h>])
+  KDE_CHECK_HEADERS(X11/extensions/Xrender.h,,compile_kompmgr=no,[#include <X11/Xlib.h>])
+else
+  compile_kompmgr=no
+fi
+AM_CONDITIONAL(include_kompmgr, test x"$compile_kompmgr" != x"no" )
diff --git a/kwin/kompmgr/kompmgr.c b/kwin/kompmgr/kompmgr.c
new file mode 100644
index 000000000..a91d0a3d6
--- /dev/null
+++ b/kwin/kompmgr/kompmgr.c
@@ -0,0 +1,3005 @@
+/*
+ * $Id$
+ *
+ * Copyright © 2003 Keith Packard
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that
+ * copyright notice and this permission notice appear in supporting
+ * documentation, and that the name of Keith Packard not be used in
+ * advertising or publicity pertaining to distribution of the software without
+ * specific, written prior permission.  Keith Packard makes no
+ * representations about the suitability of this software for any purpose.  It
+ * is provided "as is" without express or implied warranty.
+ *
+ * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
+ * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+
+/* Modified by Matthew Hawn. I don't know what to say here so follow what it 
+   says above. Not that I can really do anything about it
+*/
+
+/* Modified by Dan Doel*/
+
+/*
+Version 2.x of xcompmgr, kompmgr changes by Thomas Lübking and Heiko Przybyl
+check baghira.sf.net for more infos
+*/
+#define _VERSION_ 2.02
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <math.h>
+#include <sys/poll.h>
+#include <sys/time.h>
+#include <time.h>
+#include <unistd.h>
+#include <X11/Xlib.h>
+#include <X11/Xutil.h>
+#include <X11/Xatom.h>
+#include <X11/extensions/Xcomposite.h>
+#include <X11/extensions/Xdamage.h>
+#include <X11/extensions/Xrender.h>
+#include <X11/extensions/shape.h>
+
+#if COMPOSITE_MAJOR > 0 || COMPOSITE_MINOR >= 2
+#define HAS_NAME_WINDOW_PIXMAP 1
+#endif
+
+#define CAN_DO_USABLE 0
+
+#define _TOPHEIGHT_(x) ((x >> 24) & 0xff)
+#define _RIGHTWIDTH_(x) ((x >> 16) & 0xff)
+#define _BOTTOMHEIGHT_(x) ((x >> 8) & 0xff)
+#define _LEFTWIDTH_(x) (x & 0xff)
+
+typedef struct _ignore {
+    struct _ignore	*next;
+    unsigned long	sequence;
+} ignore;
+
+typedef struct _win {
+    struct _win		*next;
+    Window		id;
+#if HAS_NAME_WINDOW_PIXMAP
+    Pixmap		pixmap;
+#endif
+    XWindowAttributes	a;
+#if CAN_DO_USABLE
+    Bool		usable;		    /* mapped and all damaged at one point */
+    XRectangle		damage_bounds;	    /* bounds of damage */
+#endif
+    Bool                isInFade;
+    int			mode;
+    int			damaged;
+    Damage		damage;
+    Picture		picture;
+    Picture		alphaPict;
+    Picture		shadowPict;
+    XserverRegion	borderSize;
+    XserverRegion	decoRegion;
+    XserverRegion	contentRegion;
+    XserverRegion	extents;
+    unsigned int	preShadeOpacity;
+    Picture		shadow;
+   /*Picture		alpha;*/
+    int			shadow_dx;
+    int			shadow_dy;
+    int			shadow_width;
+    int			shadow_height;
+    unsigned int	opacity;
+    unsigned int	shadowSize;
+    Atom                windowType;
+    unsigned long	damage_sequence;    /* sequence when damage was created */
+    Bool                shapable; /* this will allow window managers to exclude windows if just the deco is shaped*/
+    unsigned int                 decoHash;
+    Picture             dimPicture;
+
+    /* for drawing translucent windows */
+    XserverRegion	borderClip;
+    struct _win		*prev_trans;
+} win;
+
+typedef struct _conv {
+    int	    size;
+    double  *data;
+} conv;
+
+typedef struct _fade {
+    struct _fade	*next;
+    win			*w;
+    double		cur;
+    double		finish;
+    double		step;
+    void		(*callback) (Display *dpy, win *w, Bool gone);
+    Display		*dpy;
+    unsigned int			decoHash;
+    Bool		gone;
+} fade;
+
+win             *list;
+fade		*fades;
+Display		*dpy;
+char	        *display = 0;
+int		scr;
+Window		root;
+Picture		rootPicture;
+Picture		rootBuffer;
+Picture		blackPicture;
+Picture		transBlackPicture;
+Picture		rootTile;
+XserverRegion	allDamage;
+Bool		clipChanged;
+#if HAS_NAME_WINDOW_PIXMAP
+Bool		hasNamePixmap;
+#endif
+int		root_height, root_width;
+ignore		*ignore_head, **ignore_tail = &ignore_head;
+int		xfixes_event, xfixes_error;
+int		damage_event, damage_error;
+int		composite_event, composite_error;
+int		render_event, render_error;
+Bool		synchronize;
+int		composite_opcode;
+Bool            disable_argb = False;
+
+int             shapeEvent;
+
+/* find these once and be done with it */
+Atom		opacityAtom;
+Atom		shadowAtom;
+Atom		shadeAtom;
+Atom		shapableAtom;
+Atom            decoHashAtom;
+Atom            dimAtom;
+Atom            deskChangeAtom;
+Atom            winTypeAtom;
+Atom            winDesktopAtom;
+Atom            winDockAtom;
+Atom            winToolbarAtom;
+Atom            winMenuAtom;
+Atom            winUtilAtom;
+Atom            winSplashAtom;
+Atom            winDialogAtom;
+Atom            winNormalAtom;
+
+/* opacity property name; sometime soon I'll write up an EWMH spec for it */
+#define OPACITY_PROP	"_KDE_WM_WINDOW_OPACITY"
+#define SHADOW_PROP	"_KDE_WM_WINDOW_SHADOW"
+#define SHADE_PROP	"_KDE_WM_WINDOW_SHADE"
+#define SHAPABLE_PROP	"_KDE_WM_WINDOW_SHAPABLE"
+#define DECOHASH_PROP "_KDE_WM_WINDOW_DECOHASH"
+#define DIM_PROP "_KDE_WM_WINDOW_DIM"
+#define DESKCHANGE_PROP "_KDE_WM_DESKTOP_CHANGE"
+
+#define TRANSLUCENT	0xe0000000
+#define OPAQUE		0xffffffff
+
+conv            *gaussianMap;
+
+#define WINDOW_SOLID	0
+#define WINDOW_TRANS	1
+#define WINDOW_ARGB	2
+
+#define TRANS_OPACITY	0.75
+
+#define DEBUG_REPAINT 0
+#define DEBUG_EVENTS 0
+#define MONITOR_REPAINT 0
+
+#define SHADOWS		1
+#define SHARP_SHADOW	0
+
+typedef enum _compMode {
+    CompSimple,		/* looks like a regular X server */
+    CompServerShadows,	/* use window alpha for shadow; sharp, but precise */
+    CompClientShadows	/* use window extents for shadow, blurred */
+} CompMode;
+
+static void
+determine_mode(Display *dpy, win *w);
+    
+static double
+get_opacity_percent(Display *dpy, win *w, double def);
+
+static XserverRegion
+win_extents (Display *dpy, win *w);
+
+CompMode    compMode = CompSimple;
+
+int	    shadowRadius = 12;
+int         shadowOffsetX = 0;
+int         shadowOffsetY = 0;
+double      shadowOpacity = .75;
+XRenderColor shadowColor;
+
+double  fade_in_step =  0.028;
+double  fade_out_step = 0.03;
+int	fade_delta =	10;
+int	fade_time =	0;
+Bool	fadeWindows = False;
+Bool    excludeDockShadows = False;
+Bool	fadeTrans = False;
+
+Bool	autoRedirect = False;
+
+/* For shadow precomputation */
+int            Gsize = -1;
+unsigned char *shadowCorner = NULL;
+unsigned char *shadowTop = NULL;
+
+XRenderPictFormat* sXRenderFindVisualFormat(Display *dpy, _Xconst Visual *visual)
+{
+    XRenderPictFormat* format = XRenderFindVisualFormat(dpy,visual);
+    if (format)
+        return format;
+    else
+        return XRenderFindStandardFormat (dpy, PictStandardRGB24);
+}
+
+int
+get_time_in_milliseconds ()
+{
+    struct timeval  tv;
+
+    gettimeofday (&tv, NULL);
+    return tv.tv_sec * 1000 + tv.tv_usec / 1000;
+}
+
+fade *
+find_fade (win *w)
+{
+    fade    *f;
+    
+    for (f = fades; f; f = f->next)
+    {
+	if (f->w == w)
+	    return f;
+    }
+    return 0;
+}
+
+void dequeue_fade (Display *dpy, fade *f)
+{
+   fade    **prev;
+   f->w->isInFade = False;
+   f->w->decoHash = f->decoHash;
+
+   for (prev = &fades; *prev; prev = &(*prev)->next)
+      if (*prev == f)
+      {
+         *prev = f->next;
+         if (f->callback)
+         {
+            (*f->callback) (dpy, f->w, f->gone);
+         }
+         free (f);
+         break;
+      }
+}
+
+void
+cleanup_fade (Display *dpy, win *w)
+{
+    fade *f = find_fade (w);
+    if (f)
+      dequeue_fade (dpy, f);
+}
+
+void
+enqueue_fade (Display *dpy, fade *f)
+{
+    f->w->isInFade = True;
+    if (!fades)
+      fade_time = get_time_in_milliseconds () + fade_delta;
+    f->next = fades;
+    fades = f;
+}
+
+static void unmap_callback (Display *dpy, win *w, Bool gone);
+
+static void
+set_fade (Display *dpy, win *w, double start, double finish, double step,
+		void (*callback) (Display *dpy, win *w, Bool gone),
+		Bool gone, Bool exec_callback, Bool override, Bool wholeWin)
+{
+	fade    *f;
+
+	f = find_fade (w);
+	if (!f)
+	{
+		if (start == finish)
+			return;
+		f = malloc (sizeof (fade));
+		f->next = 0;
+		f->w = w;
+		f->decoHash = w->decoHash;
+		f->cur = start;
+		enqueue_fade (dpy, f);
+	}
+	else if(!override)
+		return;
+	else
+	{
+		if (exec_callback && f->callback)
+			(*f->callback)(dpy, f->w, f->gone);
+	}
+	if (finish < 0)
+		finish = 0;
+	if (finish > 1)
+		finish = 1;
+	f->finish = finish;
+	if (f->cur < finish)
+		f->step = step;
+	else if (f->cur > finish)
+		f->step = -step;
+	f->gone = gone && (exec_callback || f->callback != unmap_callback);
+	f->callback = callback;
+	w->opacity = f->cur * OPAQUE;
+	if (wholeWin)
+		w->decoHash = 0;
+#if 0
+	printf ("set_fade start %g step %g\n", f->cur, f->step);
+#endif
+	determine_mode (dpy, w);
+	if (w->shadow)
+	{
+		XRenderFreePicture (dpy, w->shadow);
+		w->shadow = None;
+                if( w->extents != None )
+                    XFixesDestroyRegion( dpy, w->extents );
+		w->extents = win_extents (dpy, w);
+	}
+}
+
+	int
+fade_timeout (void)
+{
+	int now;
+	int	delta;
+	if (!fades)
+		return -1;
+	now = get_time_in_milliseconds();
+	delta = fade_time - now;
+	if (delta < 0)
+		delta = 0;
+	/*    printf ("timeout %d\n", delta); */
+	return delta;
+}
+
+	void
+run_fades (Display *dpy)
+{
+	int	    now = get_time_in_milliseconds();
+	fade    *f, *next;
+	int	    steps;
+	Bool    need_dequeue;
+
+#if 0
+	printf ("run fades\n");
+#endif
+	if (fade_time - now > 0)
+		return;
+	steps = 1 + (now - fade_time) / fade_delta;
+        for (next = fades; (f = next); )
+	{
+		win *w = f->w;
+		next = f->next;
+		f->cur += f->step * steps;
+		if (f->cur >= 1)
+			f->cur = 1;
+		else if (f->cur < 0)
+			f->cur = 0;
+#if 0
+		printf ("opacity now %g -> %g\n", f->cur, f->finish);
+#endif
+		w->opacity = f->cur * OPAQUE;
+		need_dequeue = False;
+		if (f->step > 0)
+		{
+			if (f->cur >= f->finish)
+			{
+				w->opacity = f->finish*OPAQUE;
+				need_dequeue = True;
+			}
+		}
+		else
+		{
+			if (f->cur <= f->finish)
+			{
+				w->opacity = f->finish*OPAQUE;
+				need_dequeue = True;
+			}
+		}
+		if (w->shadow)
+		{
+			XRenderFreePicture (dpy, w->shadow);
+			w->shadow = None;
+                        if( w->extents != None )
+                            XFixesDestroyRegion( dpy, w->extents );
+			w->extents = win_extents(dpy, w);
+		}
+      determine_mode (dpy, w);
+      /* Must do this last as it might destroy f->w in callbacks */
+      if (need_dequeue)
+         dequeue_fade (dpy, f);
+	}
+	fade_time = now + fade_delta;
+}
+
+#define SHADOW_OFFSET_X	((-shadowRadius * 7 / 5) - shadowOffsetX * shadowRadius / 100) * w->shadowSize
+#define SHADOW_OFFSET_Y	((-shadowRadius * 7 / 5) - shadowOffsetY * shadowRadius / 100) * w->shadowSize
+/*#define SHADOW_OFFSET_X	(w->shadowSize * -shadowRadius * 7 / 500) - w->shadowSize * shadowOffsetX * shadowRadius / 10000
+#define SHADOW_OFFSET_Y	(w->shadowSize * -shadowRadius * 7 / 500) - w->shadowSize * shadowOffsetY * shadowRadius / 10000*/
+
+	static double
+gaussian (double r, double x, double y)
+{
+	return ((1 / (sqrt (2 * M_PI * r))) *
+			exp ((- (x * x + y * y)) / (2 * r * r)));
+}
+
+
+	static conv *
+make_gaussian_map (Display *dpy, double r)
+{
+	conv	    *c;
+	int		    size = ((int) ceil ((r * 3)) + 1) & ~1;
+	int		    center = size / 2;
+	int		    x, y;
+	double	    t;
+	double	    g;
+
+	c = malloc (sizeof (conv) + size * size * sizeof (double));
+	c->size = size;
+	c->data = (double *) (c + 1);
+	t = 0.0;
+	for (y = 0; y < size; y++)
+		for (x = 0; x < size; x++)
+		{
+			g = gaussian (r, (double) (x - center), (double) (y - center));
+			t += g;
+			c->data[y * size + x] = g;
+		}
+	/*    printf ("gaussian total %f\n", t); */
+	for (y = 0; y < size; y++)
+		for (x = 0; x < size; x++)
+		{
+			c->data[y*size + x] /= t;
+		}
+	return c;
+}
+
+/*
+ * A picture will help
+ *
+ *	-center   0                width  width+center
+ *  -center +-----+-------------------+-----+
+ *	    |     |                   |     |
+ *	    |     |                   |     |
+ *        0 +-----+-------------------+-----+
+ *	    |     |                   |     |
+ *	    |     |                   |     |
+ *	    |     |                   |     |
+ *   height +-----+-------------------+-----+
+ *	    |     |                   |     |
+ * height+  |     |                   |     |
+ *  center  +-----+-------------------+-----+
+ */
+
+	static unsigned char
+sum_gaussian (conv *map, double opacity, int x, int y, int width, int height)
+{
+	int	    fx, fy;
+	double  *g_data;
+	double  *g_line = map->data;
+	int	    g_size = map->size;
+	int	    center = g_size / 2;
+	int	    fx_start, fx_end;
+	int	    fy_start, fy_end;
+	double  v;
+
+	/*
+	 * Compute set of filter values which are "in range",
+	 * that's the set with:
+	 *	0 <= x + (fx-center) && x + (fx-center) < width &&
+	 *  0 <= y + (fy-center) && y + (fy-center) < height
+	 *
+	 *  0 <= x + (fx - center)	x + fx - center < width
+	 *  center - x <= fx	fx < width + center - x
+	 */
+
+	fx_start = center - x;
+	if (fx_start < 0)
+		fx_start = 0;
+	fx_end = width + center - x;
+	if (fx_end > g_size)
+		fx_end = g_size;
+
+	fy_start = center - y;
+	if (fy_start < 0)
+		fy_start = 0;
+	fy_end = height + center - y;
+	if (fy_end > g_size)
+		fy_end = g_size;
+
+	g_line = g_line + fy_start * g_size + fx_start;
+
+	v = 0;
+	for (fy = fy_start; fy < fy_end; fy++)
+	{
+		g_data = g_line;
+		g_line += g_size;
+
+		for (fx = fx_start; fx < fx_end; fx++)
+			v += *g_data++;
+	}
+	if (v > 1)
+		v = 1;
+
+	return ((unsigned char) (v * opacity * 255.0));
+}
+
+/* precompute shadow corners and sides to save time for large windows */
+	static void
+presum_gaussian (conv *map)
+{
+	int center = map->size/2;
+	int opacity, x, y;
+
+	Gsize = map->size;
+
+	if (shadowCorner)
+		free ((void *)shadowCorner);
+	if (shadowTop)
+		free ((void *)shadowTop);
+
+	shadowCorner = (unsigned char *)(malloc ((Gsize + 1) * (Gsize + 1) * 26));
+	shadowTop = (unsigned char *)(malloc ((Gsize + 1) * 26));
+
+	for (x = 0; x <= Gsize; x++)
+	{
+		shadowTop[25 * (Gsize + 1) + x] = sum_gaussian (map, 1, x - center, center, Gsize * 2, Gsize * 2);
+		for(opacity = 0; opacity < 25; opacity++)
+			shadowTop[opacity * (Gsize + 1) + x] = shadowTop[25 * (Gsize + 1) + x] * opacity / 25;
+		for(y = 0; y <= x; y++)
+		{
+			shadowCorner[25 * (Gsize + 1) * (Gsize + 1) + y * (Gsize + 1) + x]
+				= sum_gaussian (map, 1, x - center, y - center, Gsize * 2, Gsize * 2);
+			shadowCorner[25 * (Gsize + 1) * (Gsize + 1) + x * (Gsize + 1) + y]
+				= shadowCorner[25 * (Gsize + 1) * (Gsize + 1) + y * (Gsize + 1) + x];
+			for(opacity = 0; opacity < 25; opacity++)
+				shadowCorner[opacity * (Gsize + 1) * (Gsize + 1) + y * (Gsize + 1) + x]
+					= shadowCorner[opacity * (Gsize + 1) * (Gsize + 1) + x * (Gsize + 1) + y]
+					= shadowCorner[25 * (Gsize + 1) * (Gsize + 1) + y * (Gsize + 1) + x] * opacity / 25;
+		}
+	}
+}
+
+	static XImage *
+make_shadow (Display *dpy, double opacity, int width, int height)
+{
+	XImage	    *ximage;
+	unsigned char   *data;
+	int		    gsize = gaussianMap->size;
+	int		    ylimit, xlimit;
+	int		    swidth = width + gsize;
+	int		    sheight = height + gsize;
+	int		    center = gsize / 2;
+	int		    x, y;
+	unsigned char   d;
+	int		    x_diff;
+	int             opacity_int = (int)(opacity * 25);
+	data = malloc (swidth * sheight * sizeof (unsigned char));
+	if (!data)
+		return 0;
+	ximage = XCreateImage (dpy,
+			DefaultVisual(dpy, DefaultScreen(dpy)),
+			8,
+			ZPixmap,
+			0,
+			(char *) data,
+			swidth, sheight, 8, swidth * sizeof (unsigned char));
+	if (!ximage)
+	{
+		free (data);
+		return 0;
+	}
+	/*
+	 * Build the gaussian in sections
+	 */
+
+	/*
+	 * center (fill the complete data array)
+	 */
+	if (Gsize > 0)
+		d = shadowTop[opacity_int * (Gsize + 1) + Gsize];
+	else
+		d = sum_gaussian (gaussianMap, opacity, center, center, width, height);
+	memset(data, d, sheight * swidth);
+
+	/*
+	 * corners
+	 */
+	ylimit = gsize;
+	if (ylimit > sheight / 2)
+		ylimit = (sheight + 1) / 2;
+	xlimit = gsize;
+	if (xlimit > swidth / 2)
+		xlimit = (swidth + 1) / 2;
+
+	for (y = 0; y < ylimit; y++)
+		for (x = 0; x < xlimit; x++)
+		{
+			if (xlimit == Gsize && ylimit == Gsize)
+				d = shadowCorner[opacity_int * (Gsize + 1) * (Gsize + 1) + y * (Gsize + 1) + x];
+			else
+				d = sum_gaussian (gaussianMap, opacity, x - center, y - center, width, height);
+			data[y * swidth + x] = d;
+			data[(sheight - y - 1) * swidth + x] = d;
+			data[(sheight - y - 1) * swidth + (swidth - x - 1)] = d;
+			data[y * swidth + (swidth - x - 1)] = d;
+		}
+
+	/*
+	 * top/bottom
+	 */
+	x_diff = swidth - (gsize * 2);
+	if (x_diff > 0 && ylimit > 0)
+	{
+		for (y = 0; y < ylimit; y++)
+		{
+			if (ylimit == Gsize)
+				d = shadowTop[opacity_int * (Gsize + 1) + y];
+			else
+				d = sum_gaussian (gaussianMap, opacity, center, y - center, width, height);
+			memset (&data[y * swidth + gsize], d, x_diff);
+			memset (&data[(sheight - y - 1) * swidth + gsize], d, x_diff);
+		}
+	}
+
+	/*
+	 * sides
+	 */
+
+	for (x = 0; x < xlimit; x++)
+	{
+		if (xlimit == Gsize)
+			d = shadowTop[opacity_int * (Gsize + 1) + x];
+		else
+			d = sum_gaussian (gaussianMap, opacity, x - center, center, width, height);
+		for (y = gsize; y < sheight - gsize; y++)
+		{
+			data[y * swidth + x] = d;
+			data[y * swidth + (swidth - x - 1)] = d;
+		}
+	}
+
+	return ximage;
+}
+
+	static Picture
+shadow_picture (Display *dpy, double opacity, Picture alpha_pict, int width, int height, int *wp, int *hp)
+{
+	XImage  *shadowImage;
+	Pixmap  shadowPixmap;
+	Pixmap  finalPixmap;
+	Picture shadowPicture;
+	Picture finalPicture;
+	GC	    gc;
+
+	shadowImage = make_shadow (dpy, opacity, width, height);
+	if (!shadowImage)
+		return None;
+	shadowPixmap = XCreatePixmap (dpy, root, 
+			shadowImage->width,
+			shadowImage->height,
+			8);
+	if (!shadowPixmap)
+	{
+		XDestroyImage (shadowImage);
+		return None;
+	}
+
+	shadowPicture = XRenderCreatePicture (dpy, shadowPixmap,
+			XRenderFindStandardFormat (dpy, PictStandardA8),
+			0, 0);
+	if (!shadowPicture)
+	{
+		XDestroyImage (shadowImage);
+		XFreePixmap (dpy, shadowPixmap);
+		return None;
+	}
+
+	gc = XCreateGC (dpy, shadowPixmap, 0, 0);
+	if (!gc)
+	{
+		XDestroyImage (shadowImage);
+		XFreePixmap (dpy, shadowPixmap);
+		XRenderFreePicture (dpy, shadowPicture);
+		return None;
+	}
+
+	XPutImage (dpy, shadowPixmap, gc, shadowImage, 0, 0, 0, 0, 
+			shadowImage->width,
+			shadowImage->height);
+	*wp = shadowImage->width;
+	*hp = shadowImage->height;
+	XFreeGC (dpy, gc);
+	XDestroyImage (shadowImage);
+	XFreePixmap (dpy, shadowPixmap);
+	return shadowPicture;
+}
+
+	Picture
+solid_picture (Display *dpy, Bool argb, double a, double r, double g, double b)
+{
+	Pixmap			pixmap;
+	Picture			picture;
+	XRenderPictureAttributes	pa;
+	XRenderColor		c;
+
+	pixmap = XCreatePixmap (dpy, root, 1, 1, argb ? 32 : 8);
+	if (!pixmap)
+		return None;
+
+	pa.repeat = True;
+	picture = XRenderCreatePicture (dpy, pixmap,
+			XRenderFindStandardFormat (dpy, argb ? PictStandardARGB32 : PictStandardA8),
+			CPRepeat,
+			&pa);
+	if (!picture)
+	{
+		XFreePixmap (dpy, pixmap);
+		return None;
+	}
+
+	c.alpha = a * 0xffff;
+	c.red = r * 0xffff;
+	c.green = g * 0xffff;
+	c.blue = b * 0xffff;
+	XRenderFillRectangle (dpy, PictOpSrc, picture, &c, 0, 0, 1, 1);
+	XFreePixmap (dpy, pixmap);
+	return picture;
+}
+
+	void
+discard_ignore (Display *dpy, unsigned long sequence)
+{
+	while (ignore_head)
+	{
+		if ((long) (sequence - ignore_head->sequence) > 0)
+		{
+			ignore  *next = ignore_head->next;
+			free (ignore_head);
+			ignore_head = next;
+			if (!ignore_head)
+				ignore_tail = &ignore_head;
+		}
+		else
+			break;
+	}
+}
+
+	void
+set_ignore (Display *dpy, unsigned long sequence)
+{
+	ignore  *i = malloc (sizeof (ignore));
+	if (!i)
+		return;
+	i->sequence = sequence;
+	i->next = 0;
+	*ignore_tail = i;
+	ignore_tail = &i->next;
+}
+
+	int
+should_ignore (Display *dpy, unsigned long sequence)
+{
+	discard_ignore (dpy, sequence);
+	return ignore_head && ignore_head->sequence == sequence;
+}
+
+	static win *
+find_win (Display *dpy, Window id)
+{
+	win	*w;
+
+	for (w = list; w; w = w->next)
+		if (w->id == id)
+			return w;
+	return 0;
+}
+
+static char *backgroundProps[] = {
+	"_XROOTPMAP_ID",
+	"_XSETROOT_ID",
+	0,
+};
+
+	static Picture
+root_tile (Display *dpy)
+{
+	Picture	    picture;
+	Atom	    actual_type;
+	Pixmap	    pixmap;
+	int		    actual_format;
+	unsigned long   nitems;
+	unsigned long   bytes_after;
+	unsigned char   *prop;
+	Bool	    fill;
+	XRenderPictureAttributes	pa;
+	int		    p;
+
+	pixmap = None;
+	for (p = 0; backgroundProps[p]; p++)
+	{
+		if (XGetWindowProperty (dpy, root, XInternAtom (dpy, backgroundProps[p], False),
+					0, 4, False, AnyPropertyType,
+					&actual_type, &actual_format, &nitems, &bytes_after, &prop) == Success &&
+				actual_type == XInternAtom (dpy, "PIXMAP", False) && actual_format == 32 && nitems == 1)
+		{
+			pixmap = *(long*)prop;
+			XFree (prop);
+			fill = False;
+			break;
+		}
+	}
+	if (!pixmap)
+	{
+		pixmap = XCreatePixmap (dpy, root, 1, 1, DefaultDepth (dpy, scr));
+		fill = True;
+	}
+	pa.repeat = True;
+	picture = XRenderCreatePicture (dpy, pixmap,
+			sXRenderFindVisualFormat (dpy,
+				DefaultVisual (dpy, scr)),
+			CPRepeat, &pa);
+	if (fill)
+	{
+		XRenderColor    c;
+
+		c.red = c.green = c.blue = 0x8080;
+		c.alpha = 0xffff;
+		XRenderFillRectangle (dpy, PictOpSrc, picture, &c, 
+				0, 0, 1, 1);
+	}
+	return picture;
+}
+
+	static void
+paint_root (Display *dpy)
+{
+	if (!rootTile)
+		rootTile = root_tile (dpy);
+
+	XRenderComposite (dpy, PictOpSrc,
+			rootTile, None, rootBuffer,
+			0, 0, 0, 0, 0, 0, root_width, root_height);
+}
+
+	static XserverRegion
+win_extents (Display *dpy, win *w)
+{
+	XRectangle	    r;
+
+	r.x = w->a.x;
+	r.y = w->a.y;
+	r.width = w->a.width + w->a.border_width * 2;
+	r.height = w->a.height + w->a.border_width * 2;
+	if (compMode != CompSimple && w->shadowSize > 0 && !(w->windowType == winDockAtom && excludeDockShadows))
+	{
+		if (compMode == CompServerShadows || w->mode != WINDOW_ARGB)
+		{
+			XRectangle  sr;
+
+			if (compMode == CompServerShadows)
+			{
+				w->shadow_dx = 2;
+				w->shadow_dy = 7;
+				w->shadow_width = w->a.width;
+				w->shadow_height = w->a.height;
+			}
+			else
+			{
+				w->shadow_dx = SHADOW_OFFSET_X;
+				w->shadow_dx = w->shadow_dx / 100;
+				w->shadow_dy = SHADOW_OFFSET_Y;
+				w->shadow_dy = w->shadow_dy / 100;
+				if (!w->shadow)
+				{
+					double	opacity = shadowOpacity;
+					if (w->shadowSize > 100)
+						opacity = opacity/(w->shadowSize*0.015);
+					if (w->mode == WINDOW_TRANS)
+						opacity = opacity * ((double)w->opacity)/((double)OPAQUE);
+					w->shadow = shadow_picture (dpy, opacity, w->alphaPict,
+							w->a.width + w->a.border_width * 2 - 2*(shadowRadius - (w->shadowSize*shadowRadius/100)) ,
+							w->a.height + w->a.border_width * 2 - 2*(shadowRadius - (w->shadowSize*shadowRadius/100)),
+							&w->shadow_width, &w->shadow_height);
+   				/*int kill;
+   				w->alpha = shadow_picture (dpy, 0.9, w->alphaPict,
+   				                            w->a.width + w->a.border_width * 2,
+   				                            w->a.height + w->a.border_width * 2,
+   				                            &kill, &kill);*/
+				}
+			}
+			sr.x = w->a.x + w->shadow_dx;
+			sr.y = w->a.y + w->shadow_dy;
+			sr.width = w->shadow_width;
+			sr.height = w->shadow_height;
+			if (sr.x < r.x)
+			{
+				r.width = (r.x + r.width) - sr.x;
+				r.x = sr.x;
+			}
+			if (sr.y < r.y)
+			{
+				r.height = (r.y + r.height) - sr.y;
+				r.y = sr.y;
+			}
+			if (sr.x + sr.width > r.x + r.width)
+				r.width = sr.x + sr.width - r.x;
+			if (sr.y + sr.height > r.y + r.height)
+				r.height = sr.y + sr.height - r.y;
+		}
+	}
+	return XFixesCreateRegion (dpy, &r, 1);
+}
+
+	static XserverRegion
+border_size (Display *dpy, win *w)
+{
+	XserverRegion   border;
+	/*
+	 * if window doesn't exist anymore,  this will generate an error
+	 * as well as not generate a region.  Perhaps a better XFixes
+	 * architecture would be to have a request that copies instead
+	 * of creates, that way you'd just end up with an empty region
+	 * instead of an invalid XID.
+	 */
+	set_ignore (dpy, NextRequest (dpy));
+	border = XFixesCreateRegionFromWindow (dpy, w->id, WindowRegionBounding);
+	/* translate this */
+	set_ignore (dpy, NextRequest (dpy));
+	XFixesTranslateRegion (dpy, border,
+			w->a.x + w->a.border_width,
+			w->a.y + w->a.border_width);
+	return border;
+}
+
+	static XserverRegion
+deco_region (Display *dpy, win *w)
+{
+	XserverRegion   title;
+	XRectangle	    r; /*titlebounding rect*/
+	/*
+	 * if window doesn't exist anymore,  this will generate an error
+	 * as well as not generate a region.  Perhaps a better XFixes
+	 * architecture would be to have a request that copies instead
+	 * of creates, that way you'd just end up with an empty region
+	 * instead of an invalid XID.
+	 */
+   r.x = w->a.x - w->a.border_width + _LEFTWIDTH_(w->decoHash);
+   r.y = w->a.y - w->a.border_width + _TOPHEIGHT_(w->decoHash);
+   r.width = w->a.width + w->a.border_width * 2 - _LEFTWIDTH_(w->decoHash) - _RIGHTWIDTH_(w->decoHash);
+   r.height = w->a.height + w->a.border_width - _TOPHEIGHT_(w->decoHash) - _BOTTOMHEIGHT_(w->decoHash);
+	set_ignore (dpy, NextRequest (dpy));
+	title = XFixesCreateRegion (dpy, &r, 1);
+	if (!w->borderSize)
+		w->borderSize = border_size (dpy, w);
+	set_ignore (dpy, NextRequest (dpy));
+   XFixesSubtractRegion(dpy, title, w->borderSize, title);
+	return title;
+}
+
+	static XserverRegion
+content_region (Display *dpy, win *w)
+{
+	XserverRegion   content;
+	XRectangle	    r; /*contentbounding rect*/
+	/*
+	 * if window doesn't exist anymore,  this will generate an error
+	 * as well as not generate a region.  Perhaps a better XFixes
+	 * architecture would be to have a request that copies instead
+	 * of creates, that way you'd just end up with an empty region
+	 * instead of an invalid XID.
+	 */
+   r.x = w->a.x - w->a.border_width + _LEFTWIDTH_(w->decoHash);
+   r.y = w->a.y - w->a.border_width + _TOPHEIGHT_(w->decoHash);
+   r.width = w->a.width + w->a.border_width * 2 - _LEFTWIDTH_(w->decoHash) - _RIGHTWIDTH_(w->decoHash);
+   r.height = w->a.height + w->a.border_width - _TOPHEIGHT_(w->decoHash) - _BOTTOMHEIGHT_(w->decoHash);
+	set_ignore (dpy, NextRequest (dpy));
+	content = XFixesCreateRegion (dpy, &r, 1);
+	if (!w->borderSize)
+		w->borderSize = border_size (dpy, w);
+	set_ignore (dpy, NextRequest (dpy));
+	XFixesIntersectRegion(dpy, content, w->borderSize, content);
+	return content;
+}
+
+	static void
+paint_all (Display *dpy, XserverRegion region)
+{
+	win	*w;
+	win	*t = 0;
+
+	if (!region)
+	{
+		XRectangle  r;
+		r.x = 0;
+		r.y = 0;
+		r.width = root_width;
+		r.height = root_height;
+		region = XFixesCreateRegion (dpy, &r, 1);
+	}
+#if MONITOR_REPAINT
+	rootBuffer = rootPicture;
+#else
+	if (!rootBuffer)
+	{
+		Pixmap	rootPixmap = XCreatePixmap (dpy, root, root_width, root_height,
+				DefaultDepth (dpy, scr));
+		rootBuffer = XRenderCreatePicture (dpy, rootPixmap,
+				sXRenderFindVisualFormat (dpy,
+					DefaultVisual (dpy, scr)),
+				0, 0);
+		XFreePixmap (dpy, rootPixmap);
+	}
+#endif
+	XFixesSetPictureClipRegion (dpy, rootPicture, 0, 0, region);
+#if MONITOR_REPAINT
+	XRenderComposite (dpy, PictOpSrc, blackPicture, None, rootPicture,
+			0, 0, 0, 0, 0, 0, root_width, root_height);
+#endif
+#if DEBUG_REPAINT
+	printf ("paint:");
+#endif
+	for (w = list; w; w = w->next)
+	{
+#if CAN_DO_USABLE
+		if (!w->usable)
+			continue;
+#endif
+		/* never painted, ignore it */
+		if (!w->damaged)
+			continue;
+
+		/* skip invisible windows */
+		if (w->a.x + w->a.width < 1 || w->a.y + w->a.height < 1 || w->a.x >= root_width || w->a.y >= root_height)
+			continue;
+
+		if (!w->picture)
+		{
+			XRenderPictureAttributes	pa;
+			XRenderPictFormat		*format;
+			Drawable			draw = w->id;
+
+#if HAS_NAME_WINDOW_PIXMAP
+			if (hasNamePixmap && !w->pixmap)
+				w->pixmap = XCompositeNameWindowPixmap (dpy, w->id);
+			if (w->pixmap)
+				draw = w->pixmap;
+#endif
+			format = sXRenderFindVisualFormat (dpy, w->a.visual);
+			pa.subwindow_mode = IncludeInferiors;
+			w->picture = XRenderCreatePicture (dpy, draw,
+					format,
+					CPSubwindowMode,
+					&pa);
+		}
+#if DEBUG_REPAINT
+		printf (" 0x%x", w->id);
+#endif
+		if (clipChanged)
+		{
+			if (w->borderSize)
+			{
+				set_ignore (dpy, NextRequest (dpy));
+				XFixesDestroyRegion (dpy, w->borderSize);
+				w->borderSize = None;
+			}
+			if (w->decoRegion)
+			{
+				set_ignore (dpy, NextRequest (dpy));
+				XFixesDestroyRegion (dpy, w->decoRegion);
+				w->decoRegion = None;
+			}
+			if (w->contentRegion)
+			{
+				set_ignore (dpy, NextRequest (dpy));
+				XFixesDestroyRegion (dpy, w->contentRegion);
+				w->contentRegion = None;
+			}
+			if (w->extents)
+			{
+				XFixesDestroyRegion (dpy, w->extents);
+				w->extents = None;
+			}
+			if (w->borderClip)
+			{
+				XFixesDestroyRegion (dpy, w->borderClip);
+				w->borderClip = None;
+			}
+		}
+		if (!w->borderSize)
+			w->borderSize = border_size (dpy, w);
+		if (!w->extents)
+			w->extents = win_extents (dpy, w);
+		if ((w->mode == WINDOW_SOLID) || ((w->mode == WINDOW_TRANS) && w->decoHash))
+		{
+			int	x, y, wid, hei;
+#if HAS_NAME_WINDOW_PIXMAP
+			x = w->a.x;
+			y = w->a.y;
+			wid = w->a.width + w->a.border_width * 2;
+			hei = w->a.height + w->a.border_width * 2;
+#else
+			x = w->a.x + w->a.border_width;
+			y = w->a.y + w->a.border_width;
+			wid = w->a.width;
+			hei = w->a.height;
+#endif
+			XFixesSetPictureClipRegion (dpy, rootBuffer, 0, 0, region);
+			set_ignore (dpy, NextRequest (dpy));
+			/*XFixesSubtractRegion (dpy, region, region, w->borderSize);
+			  set_ignore (dpy, NextRequest (dpy));*/
+			if (w->mode == WINDOW_SOLID)
+			{
+				XFixesSubtractRegion (dpy, region, region, w->borderSize);
+				set_ignore (dpy, NextRequest (dpy));
+				XRenderComposite (dpy, PictOpSrc, w->picture, None, rootBuffer,
+						0, 0, 0, 0, x, y, wid, hei);
+            if (w->dimPicture)
+               XRenderComposite (dpy, PictOpOver, w->dimPicture, None, rootBuffer, 0, 0, 0, 0, x, y, wid, hei);
+			}
+			else
+         {
+            if (!w->contentRegion)
+               w->contentRegion = content_region (dpy, w);
+            XFixesSubtractRegion (dpy, region, region, w->contentRegion);
+            set_ignore (dpy, NextRequest (dpy));
+            /*solid part*/
+            XRenderComposite (dpy, PictOpSrc, w->picture, None, rootBuffer,
+                              _LEFTWIDTH_(w->decoHash), _TOPHEIGHT_(w->decoHash), 0, 0,
+                              x + _LEFTWIDTH_(w->decoHash),
+                              y + _TOPHEIGHT_(w->decoHash),
+                              wid - _LEFTWIDTH_(w->decoHash) - _RIGHTWIDTH_(w->decoHash),
+                              hei - _TOPHEIGHT_(w->decoHash) - _BOTTOMHEIGHT_(w->decoHash));
+         }
+		}
+		if (!w->borderClip)
+		{
+			w->borderClip = XFixesCreateRegion (dpy, 0, 0);
+			XFixesCopyRegion (dpy, w->borderClip, region);
+		}
+		w->prev_trans = t;
+		t = w;
+	}
+#if DEBUG_REPAINT
+	printf ("\n");
+	fflush (stdout);
+#endif
+	XFixesSetPictureClipRegion (dpy, rootBuffer, 0, 0, region);
+	paint_root (dpy);
+	for (w = t; w; w = w->prev_trans)
+	{
+		/*skip desktop */
+		if (w->windowType == winDesktopAtom)
+			continue;
+
+		if (w->shadowSize > 0){
+			switch (compMode) {
+				case CompSimple:
+					break;
+				case CompServerShadows:
+					/* dont' bother drawing shadows on desktop windows */
+					if (w->windowType == winDesktopAtom)
+					        break;
+					XFixesSetPictureClipRegion (dpy, rootBuffer, 0, 0, w->borderClip);
+					set_ignore (dpy, NextRequest (dpy));
+					if (w->opacity != OPAQUE && !w->shadowPict)
+						w->shadowPict = solid_picture (dpy, True,
+								(double) w->opacity / OPAQUE * 0.3,
+								0, 0, 0);
+					XRenderComposite (dpy, PictOpOver, 
+							w->shadowPict ? w->shadowPict : transBlackPicture,
+							w->picture, rootBuffer,
+							0, 0, 0, 0,
+							w->a.x + w->shadow_dx,
+							w->a.y + w->shadow_dy,
+							w->shadow_width, w->shadow_height);
+					break;
+				case CompClientShadows:
+					if (w->shadow && w->windowType != winDesktopAtom)
+					{
+						XFixesSetPictureClipRegion (dpy, rootBuffer, 0, 0, w->borderClip);
+						XRenderComposite (dpy, PictOpOver, blackPicture, w->shadow, rootBuffer,
+								0, 0, 0, 0,
+								w->a.x + w->shadow_dx,
+								w->a.y + w->shadow_dy,
+								w->shadow_width, w->shadow_height);
+					}
+					break;
+			}
+		}
+		if (w->opacity != OPAQUE && !w->alphaPict)
+			w->alphaPict = solid_picture (dpy, False, 
+					(double) w->opacity / OPAQUE, shadowColor.red, shadowColor.green, shadowColor.blue);
+		if (w->mode == WINDOW_TRANS)
+		{
+			int	x, y, wid, hei;
+			XFixesIntersectRegion (dpy, w->borderClip, w->borderClip, w->borderSize);
+			XFixesSetPictureClipRegion (dpy, rootBuffer, 0, 0, w->borderClip);
+#if HAS_NAME_WINDOW_PIXMAP
+			x = w->a.x;
+			y = w->a.y;
+			wid = w->a.width + w->a.border_width * 2;
+			hei = w->a.height + w->a.border_width * 2;
+#else
+			x = w->a.x + w->a.border_width;
+			y = w->a.y + w->a.border_width;
+			wid = w->a.width;
+			hei = w->a.height;
+#endif
+			set_ignore (dpy, NextRequest (dpy));
+			if (!w->decoHash)
+			{
+				XRenderComposite (dpy, PictOpOver, w->picture, w->alphaPict, rootBuffer,
+						0, 0, 0, 0, x, y, wid, hei);
+			}
+			else
+			{
+						/*trans part*/
+                  /* PICTURE ;)
+                  |-----------------------------|
+                  |             top             |
+                  |-----------------------------|
+                  |l |                       | r|
+                  |e |                       | i|
+                  |f |                       | g|
+                  |t |                       | h|
+                  |--------------------------| t|
+                  |           bottom         |  |
+                  |--------------------------|--|*/
+                  /*top*/
+   				XRenderComposite (dpy, PictOpOver, w->picture, w->alphaPict, rootBuffer,
+   				                  0, 0, 0, 0, x, y, wid, _TOPHEIGHT_(w->decoHash));
+                  /*right*/
+   				XRenderComposite (dpy, PictOpOver, w->picture, w->alphaPict, rootBuffer,
+   				                  wid - _RIGHTWIDTH_(w->decoHash), _TOPHEIGHT_(w->decoHash),
+   				                  0, 0,
+   				                  x + wid - _RIGHTWIDTH_(w->decoHash),
+   				                  y + _TOPHEIGHT_(w->decoHash), _RIGHTWIDTH_(w->decoHash),
+   				                  hei - _TOPHEIGHT_(w->decoHash));
+                  /*bottom*/
+   				XRenderComposite (dpy, PictOpOver, w->picture, w->alphaPict, rootBuffer,
+   				                  0, hei - _BOTTOMHEIGHT_(w->decoHash), 0, 0,
+   				                  x, y + hei - _BOTTOMHEIGHT_(w->decoHash),
+   				                  wid - _RIGHTWIDTH_(w->decoHash), _BOTTOMHEIGHT_(w->decoHash));
+                  /*left*/
+   				XRenderComposite (dpy, PictOpOver, w->picture, w->alphaPict, rootBuffer,
+   				                  0, _TOPHEIGHT_(w->decoHash), 0, 0,
+   				                  x, y + _TOPHEIGHT_(w->decoHash),
+   				                  _LEFTWIDTH_(w->decoHash), hei - _TOPHEIGHT_(w->decoHash) - _BOTTOMHEIGHT_(w->decoHash));
+		   }
+		}
+		else if (w->mode == WINDOW_ARGB)
+		{
+			int	x, y, wid, hei;
+			XFixesIntersectRegion (dpy, w->borderClip, w->borderClip, w->borderSize);
+			XFixesSetPictureClipRegion (dpy, rootBuffer, 0, 0, w->borderClip);
+#if HAS_NAME_WINDOW_PIXMAP
+			x = w->a.x;
+			y = w->a.y;
+			wid = w->a.width + w->a.border_width * 2;
+			hei = w->a.height + w->a.border_width * 2;
+#else
+			x = w->a.x + w->a.border_width;
+			y = w->a.y + w->a.border_width;
+			wid = w->a.width;
+			hei = w->a.height;
+#endif
+			set_ignore (dpy, NextRequest (dpy));
+			XRenderComposite (dpy, PictOpOver, w->picture, w->alphaPict, rootBuffer,
+					0, 0, 0, 0, 
+					x, y, wid, hei);
+		}
+		XFixesDestroyRegion (dpy, w->borderClip);
+		w->borderClip = None;
+	}
+	XFixesDestroyRegion (dpy, region);
+	if (rootBuffer != rootPicture)
+	{
+#if 0
+		XTransform	t;
+		t.matrix[0][0] = XDoubleToFixed (3.0 /*/ scale*/);
+		t.matrix[0][1] = 0.0;
+		t.matrix[0][2] = 0.0;
+
+		t.matrix[1][0] = 0.0;
+		t.matrix[1][1] = XDoubleToFixed (1.0 /*/ scale*/);
+		t.matrix[1][2] = 0.0;
+
+		t.matrix[2][0] = 0.0;
+		t.matrix[2][1] = 0.0;
+		t.matrix[2][2] = XDoubleToFixed (1.0);
+
+		XRenderSetPictureTransform (dpy, rootBuffer, &t);
+#endif
+		XFixesSetPictureClipRegion (dpy, rootBuffer, 0, 0, None);
+		XRenderComposite (dpy, PictOpSrc, rootBuffer, None, rootPicture,
+				0, 0, 0, 0, 0, 0, root_width, root_height);
+	}
+}
+
+	static void
+add_damage (Display *dpy, XserverRegion damage)
+{
+	if (allDamage)
+	{
+		XFixesUnionRegion (dpy, allDamage, allDamage, damage);
+		XFixesDestroyRegion (dpy, damage);
+	}
+	else
+		allDamage = damage;
+}
+
+	static void
+repair_win (Display *dpy, win *w)
+{
+	XserverRegion   parts;
+
+	if (!w->damaged)
+	{
+		parts = win_extents (dpy, w);
+		set_ignore (dpy, NextRequest (dpy));
+		XDamageSubtract (dpy, w->damage, None, None);
+	}
+	else
+	{
+		XserverRegion	o;
+		parts = XFixesCreateRegion (dpy, 0, 0);
+		set_ignore (dpy, NextRequest (dpy));
+		XDamageSubtract (dpy, w->damage, None, parts);
+		XFixesTranslateRegion (dpy, parts,
+				w->a.x + w->a.border_width,
+				w->a.y + w->a.border_width);
+		if (compMode == CompServerShadows)
+		{
+			o = XFixesCreateRegion (dpy, 0, 0);
+			XFixesCopyRegion (dpy, o, parts);
+			XFixesTranslateRegion (dpy, o, w->shadow_dx, w->shadow_dy);
+			XFixesUnionRegion (dpy, parts, parts, o);
+			XFixesDestroyRegion (dpy, o);
+		}
+	}
+	add_damage (dpy, parts);
+	w->damaged = 1;
+}
+
+static unsigned int
+get_opacity_prop(Display *dpy, win *w, unsigned int def);
+
+	static void
+map_win (Display *dpy, Window id, unsigned long sequence, Bool fade)
+{
+	win		*w = find_win (dpy, id);
+	Drawable	back;
+
+	if (!w)
+		return;
+	w->a.map_state = IsViewable;
+
+	/* This needs to be here or else we lose transparency messages */
+	XSelectInput (dpy, id, PropertyChangeMask);
+
+#if CAN_DO_USABLE
+	w->damage_bounds.x = w->damage_bounds.y = 0;
+	w->damage_bounds.width = w->damage_bounds.height = 0;
+#endif
+	w->damaged = 0;
+
+	if (fade && fadeWindows)
+		set_fade (dpy, w, 0, get_opacity_prop(dpy, w, OPAQUE)*1.0/OPAQUE, fade_in_step, 0, False, True, True, True);
+}
+
+	static void
+finish_unmap_win (Display *dpy, win *w)
+{
+	w->damaged = 0;
+#if CAN_DO_USABLE
+	w->usable = False;
+#endif
+	if (w->extents != None)
+	{
+		add_damage (dpy, w->extents);    /* destroys region */
+		w->extents = None;
+	}
+
+#if HAS_NAME_WINDOW_PIXMAP
+	if (w->pixmap)
+	{
+		XFreePixmap (dpy, w->pixmap);
+		w->pixmap = None;
+	}
+#endif
+
+	if (w->picture)
+	{
+		set_ignore (dpy, NextRequest (dpy));
+		XRenderFreePicture (dpy, w->picture);
+		w->picture = None;
+	}
+
+	/* don't care about properties anymore */
+	set_ignore (dpy, NextRequest (dpy));
+	XSelectInput(dpy, w->id, 0);
+
+	if (w->borderSize)
+	{
+		set_ignore (dpy, NextRequest (dpy));
+		XFixesDestroyRegion (dpy, w->borderSize);
+		w->borderSize = None;
+	}
+        
+        if (w->decoRegion)
+        {
+            set_ignore (dpy, NextRequest (dpy));
+            XFixesDestroyRegion (dpy, w->decoRegion);
+            w->decoRegion = None;
+        }
+        
+        if (w->contentRegion)
+        {
+            set_ignore (dpy, NextRequest (dpy));
+            XFixesDestroyRegion (dpy, w->contentRegion);
+            w->contentRegion = None;
+        }
+	
+        if (w->shadow)
+	{
+		XRenderFreePicture (dpy, w->shadow);
+		w->shadow = None;
+	}
+	if (w->borderClip)
+	{
+		XFixesDestroyRegion (dpy, w->borderClip);
+		w->borderClip = None;
+	}
+
+	clipChanged = True;
+}
+
+#if HAS_NAME_WINDOW_PIXMAP
+	static void
+unmap_callback (Display *dpy, win *w, Bool gone)
+{
+	finish_unmap_win (dpy, w);
+}
+#endif
+
+	static void
+unmap_win (Display *dpy, Window id, Bool fade)
+{
+	win *w = find_win (dpy, id);
+	if (!w)
+		return;
+	w->a.map_state = IsUnmapped;
+#if HAS_NAME_WINDOW_PIXMAP
+	if (w->pixmap && fade && fadeWindows)
+                    set_fade (dpy, w, w->opacity*1.0/OPAQUE, 0.0, fade_out_step, unmap_callback, False, False, True, True);
+	else
+#endif
+		finish_unmap_win (dpy, w);
+}
+
+/* Get the opacity prop from window
+   not found: default
+   otherwise the value
+   */
+	static unsigned int
+get_opacity_prop(Display *dpy, win *w, unsigned int def)
+{
+	Atom actual;
+	int format;
+	unsigned long n, left;
+
+	unsigned char *data;
+	int result = XGetWindowProperty(dpy, w->id, opacityAtom, 0L, 1L, False, 
+			XA_CARDINAL, &actual, &format, 
+			&n, &left, &data);
+	if (result == Success && data != NULL && format == 32 )
+	{
+		unsigned int i;
+		i = *(long*)data;
+		XFree( (void *) data);
+		return i;
+	}
+	return def;
+}
+
+	static unsigned int
+get_shadow_prop(Display *dpy, win *w)
+{
+	Atom actual;
+	int format;
+	unsigned long n, left;
+
+	unsigned char *data = NULL;
+	int result = XGetWindowProperty(dpy, w->id, shadowAtom, 0L, 1L, False, 
+			XA_CARDINAL, &actual, &format, 
+			&n, &left, &data);
+	if (result == Success && data != NULL && format == 32 )
+	{
+		unsigned int i;
+		i = *(long*)data;
+		XFree( (void *) data);
+		/*i added this for security reaons but limiting a value to 200% is somewhat indiscriminate
+		  if (i > 200)
+		  return 200;
+		  else*/
+		return i;
+	}
+	return 100;
+}
+
+	static unsigned int
+get_shade_prop(Display *dpy, win *w)
+{
+	Atom actual;
+	int format;
+	unsigned long n, left;
+
+	unsigned char *data = NULL;
+	int result = XGetWindowProperty(dpy, w->id, shadeAtom, 0L, 1L, False, 
+			XA_CARDINAL, &actual, &format, 
+			&n, &left, &data);
+	if (result == Success && data != NULL && format == 32 )
+	{
+		unsigned int i;
+		i = *(long*)data;
+		XFree( (void *) data);
+		return i;
+	}
+	return 0;
+}
+
+	static Bool
+get_shapable_prop(Display *dpy, win *w)
+{
+	Atom actual;
+	int format;
+	unsigned long n, left;
+
+	unsigned char *data = NULL;
+	int result = XGetWindowProperty(dpy, w->id, shapableAtom, 0L, 1L, False, 
+			XA_CARDINAL, &actual, &format, 
+			&n, &left, &data);
+	if (result == Success && data != NULL && format == 32 )
+	{
+		unsigned int i;
+		i = *(long*)data;
+		XFree( (void *) data);
+		return i==1;
+	}
+	return True; /*in general, the window should be shapable*/
+}
+
+static unsigned int
+get_decoHash_prop(Display *dpy, win *w)
+{
+	Atom actual;
+	int format;
+	unsigned long n, left;
+
+	unsigned char *data = NULL;
+	int result = XGetWindowProperty(dpy, w->id, decoHashAtom, 0L, 1L, False, 
+			XA_CARDINAL, &actual, &format, 
+			&n, &left, &data);
+	if (result == Success && data != NULL && format == 32 )
+	{
+		unsigned int i;
+		i = *(long*)data;
+		XFree( (void *) data);
+		return i;
+	}
+	return 0; /*no titlebar*/
+}
+
+static unsigned int
+get_dim_prop(Display *dpy, win *w)
+{
+    Atom actual;
+    int format;
+    unsigned long n, left;
+    
+    unsigned char *data = NULL;
+    int result = XGetWindowProperty(dpy, w->id, dimAtom, 0L, 1L, False, 
+                                    XA_CARDINAL, &actual, &format, 
+                                    &n, &left, &data);
+    if (result == Success && data != NULL)
+    {
+        unsigned int i;
+        memcpy (&i, data, sizeof (unsigned int));
+        XFree( (void *) data);
+        if (i == 0) i = 1;
+        return i;
+    }
+    return OPAQUE; /*in general, the window is not dimmed*/
+}
+
+static unsigned int
+get_deskchange_prop(Display *dpy, Window id)
+{
+    Atom actual;
+    int format;
+    unsigned long n, left;
+    
+    unsigned char *data = NULL;
+    int result = XGetWindowProperty(dpy, id, deskChangeAtom, 0L, 1L, False,
+    XA_CARDINAL, &actual, &format,
+    &n, &left, &data);
+    if (result == Success && data != NULL)
+    {
+        unsigned int i;
+        memcpy (&i, data, sizeof (unsigned int));
+        XFree( (void *) data);
+        if (i < 3)
+            return i;
+    }
+    return 0; /*no valid change state*/
+}
+
+/* Get the opacity property from the window in a percent format
+   not found: default
+otherwise: the value
+*/
+	static double
+get_opacity_percent(Display *dpy, win *w, double def)
+{
+	if (w && w->isInFade)
+	{
+		fade *f = find_fade(w);
+		return f->finish;
+	}
+	else
+	{
+		unsigned int opacity = get_opacity_prop (dpy, w, (unsigned int)(OPAQUE*def));
+		return opacity*1.0/OPAQUE;
+	}
+}
+#if 0
+static void
+damage_shape(Display *dpy, win *w, XRectangle *shape_damage)
+{
+    set_ignore (dpy, NextRequest (dpy));
+    XserverRegion region = XFixesCreateRegion (dpy, shape_damage, 1);
+    set_ignore (dpy, NextRequest (dpy));
+    XserverRegion tmpRegion;
+    add_damage(dpy, region);
+    win *i;
+    XRectangle *rect;
+    int n;
+    for (i = w; i; i = i->next)
+    {
+        XFixesIntersectRegion (dpy, tmpRegion, region, w->extents);
+        rect = XFixesFetchRegion (dpy, region, &n);
+        free(rect);
+        printf("%d\n",n);
+        if (n != 1)
+        {
+            w->damage = True;
+            XFixesSubtractRegion (dpy, region, region, w->extents);
+        }
+        else
+            break;
+    }
+    set_ignore (dpy, NextRequest (dpy));
+    XFixesDestroyRegion (dpy, tmpRegion);
+    set_ignore (dpy, NextRequest (dpy));
+    XFixesDestroyRegion (dpy, region);
+}
+#endif
+
+/* determine mode for window all in one place.
+   Future might check for menu flag and other cool things
+   */
+
+	static Atom
+get_wintype_prop(Display * dpy, Window w)
+{
+	Atom actual;
+	int format;
+	unsigned long n, left;
+
+	unsigned char *data;
+	int result = XGetWindowProperty (dpy, w, winTypeAtom, 0L, 1L, False,
+			XA_ATOM, &actual, &format,
+			&n, &left, &data);
+
+	if (result == Success && data != None && format == 32 )
+	{
+		Atom a;
+		a = *(long*)data;
+		XFree ( (void *) data);
+		return a;
+	}
+	return winNormalAtom;
+}
+
+	static void
+determine_mode(Display *dpy, win *w)
+{
+	int mode;
+	XRenderPictFormat *format;
+	unsigned int default_opacity;
+
+	/* if trans prop == -1 fall back on  previous tests*/
+
+	if (w->alphaPict)
+	{
+		XRenderFreePicture (dpy, w->alphaPict);
+		w->alphaPict = None;
+	}
+	if (w->shadowPict)
+	{
+		XRenderFreePicture (dpy, w->shadowPict);
+		w->shadowPict = None;
+	}
+
+	if (w->a.class == InputOnly)
+	{
+		format = 0;
+	}
+	else
+	{
+		format = XRenderFindVisualFormat (dpy, w->a.visual);
+	}
+
+        if (!disable_argb && format && format->type == PictTypeDirect && format->direct.alphaMask)
+	{
+		mode = WINDOW_ARGB;
+	}
+	else if (w->opacity != OPAQUE)
+	{
+		mode = WINDOW_TRANS;
+	}
+	else
+	{
+		mode = WINDOW_SOLID;
+	}
+	w->mode = mode;
+	if (w->extents)
+	{
+		XserverRegion damage;
+		damage = XFixesCreateRegion (dpy, 0, 0);
+		XFixesCopyRegion (dpy, damage, w->extents);
+		add_damage (dpy, damage);
+	}
+}
+
+	static Atom
+determine_wintype (Display *dpy, Window w)
+{
+	Window       root_return, parent_return;
+	Window      *children = NULL;
+	unsigned int nchildren, i;
+	Atom         type;
+
+	type = get_wintype_prop (dpy, w);
+	if (type != winNormalAtom)
+		return type;
+
+	if (!XQueryTree (dpy, w, &root_return, &parent_return, &children,
+				&nchildren))
+	{
+		/* XQueryTree failed. */
+		if (children)
+			XFree ((void *)children);
+		return winNormalAtom;
+	}
+
+	for (i = 0;i < nchildren;i++)
+	{
+		type = determine_wintype (dpy, children[i]);
+		if (type != winNormalAtom)
+			return type;
+	}
+
+	if (children)
+		XFree ((void *)children);
+
+	return winNormalAtom;
+}
+
+	static void
+add_win (Display *dpy, Window id, Window prev)
+{
+	win				*new = malloc (sizeof (win));
+	win				**p;
+        unsigned int			tmp;
+
+	if (!new)
+		return;
+	if (prev)
+	{
+		for (p = &list; *p; p = &(*p)->next)
+			if ((*p)->id == prev)
+				break;
+	}
+	else
+		p = &list;
+	new->id = id;
+	set_ignore (dpy, NextRequest (dpy));
+	if (!XGetWindowAttributes (dpy, id, &new->a))
+	{
+		free (new);
+		return;
+	}
+	new->damaged = 0;
+#if CAN_DO_USABLE
+	new->usable = False;
+#endif
+#if HAS_NAME_WINDOW_PIXMAP
+	new->pixmap = None;
+#endif
+	new->picture = None;
+	if (new->a.class == InputOnly)
+	{
+		new->damage_sequence = 0;
+		new->damage = None;
+	}
+	else
+	{
+		new->damage_sequence = NextRequest (dpy);
+		new->damage = XDamageCreate (dpy, id, XDamageReportNonEmpty);
+	}
+	new->isInFade = False;
+	new->alphaPict = None;
+	new->shadowPict = None;
+	new->borderSize = None;
+	new->extents = None;
+	new->shadow = None;
+	new->shadow_dx = 0;
+	new->shadow_dy = 0;
+	new->shadow_width = 0;
+	new->shadow_height = 0;
+	new->opacity = OPAQUE;
+	new->shadowSize = 100;
+	new->decoHash = 0;
+
+	new->borderClip = None;
+	new->prev_trans = 0;
+
+	XShapeSelectInput( dpy, id, ShapeNotifyMask );
+
+	/* moved mode setting to one place */
+        new->opacity = get_opacity_prop (dpy, new, OPAQUE);
+	new->shadowSize = get_shadow_prop (dpy, new);
+	new->shapable = get_shapable_prop(dpy, new);
+	new->decoHash = get_decoHash_prop(dpy, new);
+	tmp = get_dim_prop(dpy, new);
+        new->dimPicture = (tmp < OPAQUE) ? solid_picture (dpy, True, (double)tmp/OPAQUE, 0.1, 0.1, 0.1) : None;
+	new->windowType = determine_wintype (dpy, new->id);
+        determine_mode (dpy, new);
+
+	new->next = *p;
+	*p = new;
+	if (new->a.map_state == IsViewable)
+		map_win (dpy, id, new->damage_sequence - 1, True);
+}
+
+	void
+restack_win (Display *dpy, win *w, Window new_above)
+{
+	Window  old_above;
+
+	if (w->next)
+		old_above = w->next->id;
+	else
+		old_above = None;
+	if (old_above != new_above)
+	{
+		win **prev;
+
+		/* unhook */
+		for (prev = &list; *prev; prev = &(*prev)->next)
+			if ((*prev) == w)
+				break;
+		*prev = w->next;
+
+		/* rehook */
+		for (prev = &list; *prev; prev = &(*prev)->next)
+		{
+			if ((*prev)->id == new_above)
+				break;
+		}
+		w->next = *prev;
+		*prev = w;
+	}
+}
+
+	static void
+configure_win (Display *dpy, XConfigureEvent *ce)
+{
+	win		    *w = find_win (dpy, ce->window);
+	Window	    above;
+	XserverRegion   damage = None;
+
+	if (!w)
+	{
+		if (ce->window == root)
+		{
+			if (rootBuffer)
+			{
+				XRenderFreePicture (dpy, rootBuffer);
+				rootBuffer = None;
+			}
+			root_width = ce->width;
+			root_height = ce->height;
+		}
+		return;
+	}
+#if CAN_DO_USABLE
+	if (w->usable)
+#endif
+	{
+		damage = XFixesCreateRegion (dpy, 0, 0);
+		if (w->extents != None)
+                    XFixesCopyRegion (dpy, damage, w->extents);
+	}
+	w->a.x = ce->x;
+	w->a.y = ce->y;
+	if (w->a.width != ce->width || w->a.height != ce->height)
+	{
+#if HAS_NAME_WINDOW_PIXMAP
+		if (w->pixmap)
+		{
+			XFreePixmap (dpy, w->pixmap);
+			w->pixmap = None;
+			if (w->picture)
+			{
+				XRenderFreePicture (dpy, w->picture);
+				w->picture = None;
+			}
+		}
+#endif
+		if (w->shadow)
+		{
+			XRenderFreePicture (dpy, w->shadow);
+			w->shadow = None;
+		}
+	}
+	w->a.width = ce->width;
+	w->a.height = ce->height;
+	w->a.border_width = ce->border_width;
+	w->a.override_redirect = ce->override_redirect;
+        restack_win (dpy, w, ce->above);
+	if (damage)
+	{
+		XserverRegion	extents = win_extents (dpy, w);
+                XFixesUnionRegion (dpy, damage, damage, extents);
+                XFixesDestroyRegion (dpy, extents);
+		add_damage (dpy, damage);
+	}
+	clipChanged = True;
+}
+
+	static void
+circulate_win (Display *dpy, XCirculateEvent *ce)
+{
+	win	    *w = find_win (dpy, ce->window);
+	Window  new_above;
+
+	if (!w)
+		return;
+
+	if (ce->place == PlaceOnTop)
+		new_above = list->id;
+	else
+		new_above = None;
+	restack_win (dpy, w, new_above);
+	clipChanged = True;
+}
+
+	static void
+finish_destroy_win (Display *dpy, Window id, Bool gone)
+{
+	win	**prev, *w;
+
+	for (prev = &list; (w = *prev); prev = &w->next)
+		if (w->id == id)
+		{
+			if (!gone)
+				finish_unmap_win (dpy, w);
+			*prev = w->next;
+			if (w->picture)
+			{
+				set_ignore (dpy, NextRequest (dpy));
+				XRenderFreePicture (dpy, w->picture);
+				w->picture = None;
+			}
+			if (w->alphaPict)
+			{
+				XRenderFreePicture (dpy, w->alphaPict);
+				w->alphaPict = None;
+			}
+			if (w->shadowPict)
+			{
+				XRenderFreePicture (dpy, w->shadowPict);
+				w->shadowPict = None;
+			}
+			if (w->shadow)
+			{
+				XRenderFreePicture (dpy, w->shadow);
+				w->shadow = None;
+			}
+			if (w->damage != None)
+			{
+				set_ignore (dpy, NextRequest (dpy));
+				XDamageDestroy (dpy, w->damage);
+				w->damage = None;
+			}
+			cleanup_fade (dpy, w);
+			free (w);
+			break;
+		}
+}
+
+#if HAS_NAME_WINDOW_PIXMAP
+	static void
+destroy_callback (Display *dpy, win *w, Bool gone)
+{
+	finish_destroy_win (dpy, w->id, gone);
+}
+#endif
+
+	static void
+destroy_win (Display *dpy, Window id, Bool gone, Bool fade)
+{
+	win *w = find_win (dpy, id);
+#if HAS_NAME_WINDOW_PIXMAP
+	if (w && w->pixmap && fade && fadeWindows)
+		set_fade (dpy, w, w->opacity*1.0/OPAQUE, 0.0, fade_out_step, destroy_callback, gone, False, True, True);
+	else
+#endif
+	{
+		finish_destroy_win (dpy, id, gone);
+	}
+}
+
+/*
+   static void
+   dump_win (win *w)
+   {
+   printf ("\t%08lx: %d x %d + %d + %d (%d)\n", w->id,
+   w->a.width, w->a.height, w->a.x, w->a.y, w->a.border_width);
+   }
+
+
+   static void
+   dump_wins (void)
+   {
+   win	*w;
+
+   printf ("windows:\n");
+   for (w = list; w; w = w->next)
+   dump_win (w);
+   }
+   */
+
+	static void
+damage_win (Display *dpy, XDamageNotifyEvent *de)
+{
+	win	*w = find_win (dpy, de->drawable);
+
+	if (!w)
+		return;
+#if CAN_DO_USABLE
+	if (!w->usable)
+	{
+		if (w->damage_bounds.width == 0 || w->damage_bounds.height == 0)
+		{
+			w->damage_bounds = de->area;
+		}
+		else
+		{
+			if (de->area.x < w->damage_bounds.x)
+			{
+				w->damage_bounds.width += (w->damage_bounds.x - de->area.x);
+				w->damage_bounds.x = de->area.x;
+			}
+			if (de->area.y < w->damage_bounds.y)
+			{
+				w->damage_bounds.height += (w->damage_bounds.y - de->area.y);
+				w->damage_bounds.y = de->area.y;
+			}
+			if (de->area.x + de->area.width > w->damage_bounds.x + w->damage_bounds.width)
+				w->damage_bounds.width = de->area.x + de->area.width - w->damage_bounds.x;
+			if (de->area.y + de->area.height > w->damage_bounds.y + w->damage_bounds.height)
+				w->damage_bounds.height = de->area.y + de->area.height - w->damage_bounds.y;
+		}
+#if 0
+		printf ("unusable damage %d, %d: %d x %d bounds %d, %d: %d x %d\n",
+				de->area.x,
+				de->area.y,
+				de->area.width,
+				de->area.height,
+				w->damage_bounds.x,
+				w->damage_bounds.y,
+				w->damage_bounds.width,
+				w->damage_bounds.height);
+#endif
+		if (w->damage_bounds.x <= 0 && 
+				w->damage_bounds.y <= 0 &&
+				w->a.width <= w->damage_bounds.x + w->damage_bounds.width &&
+				w->a.height <= w->damage_bounds.y + w->damage_bounds.height)
+		{
+			clipChanged = True;
+			if (fadeWindows)
+				set_fade (dpy, w, 0, get_opacity_percent (dpy, w, 1.0), fade_in_step, 0, False, True, True, False);
+			w->usable = True;
+		}
+	}
+	if (w->usable)
+#endif
+		repair_win (dpy, w);
+}
+
+	static int
+error (Display *dpy, XErrorEvent *ev)
+{
+	int	    o;
+	char    *name = 0;
+
+	if (should_ignore (dpy, ev->serial))
+		return 0;
+
+	if (ev->request_code == composite_opcode &&
+			ev->minor_code == X_CompositeRedirectSubwindows)
+	{
+		fprintf (stderr, "Another composite manager is already running\n");
+		exit (1);
+	}
+
+	o = ev->error_code - xfixes_error;
+	switch (o) {
+		case BadRegion: name = "BadRegion";	break;
+		default: break;
+	}
+	o = ev->error_code - damage_error;
+	switch (o) {
+		case BadDamage: name = "BadDamage";	break;
+		default: break;
+	}
+	o = ev->error_code - render_error;
+	switch (o) {
+		case BadPictFormat: name ="BadPictFormat"; break;
+		case BadPicture: name ="BadPicture"; break;
+		case BadPictOp: name ="BadPictOp"; break;
+		case BadGlyphSet: name ="BadGlyphSet"; break;
+		case BadGlyph: name ="BadGlyph"; break;
+		default: break;
+	}
+
+#ifndef NDEBUG
+	fprintf (stderr,"error %d request %d minor %d serial %d\n",
+			ev->error_code, ev->request_code, ev->minor_code, ev->serial);
+#endif
+
+	/*    abort ();	    this is just annoying to most people */
+	return 0;
+}
+
+	static void
+expose_root (Display *dpy, Window root, XRectangle *rects, int nrects)
+{
+	XserverRegion  region = XFixesCreateRegion (dpy, rects, nrects);
+
+	add_damage (dpy, region);
+}
+
+
+	static int
+ev_serial (XEvent *ev)
+{
+	if ((ev->type & 0x7f) != KeymapNotify)
+		return ev->xany.serial;
+	return NextRequest (ev->xany.display);
+}
+
+
+	static char *
+ev_name (XEvent *ev)
+{
+	static char	buf[128];
+	switch (ev->type & 0x7f) {
+		case Expose:
+			return "Expose";
+		case MapNotify:
+			return "Map";
+		case UnmapNotify:
+			return "Unmap";
+		case ReparentNotify:
+			return "Reparent";
+		case CirculateNotify:
+			return "Circulate";
+		default:
+			if (ev->type == damage_event + XDamageNotify)
+				return "Damage";
+			sprintf (buf, "Event %d", ev->type);
+			return buf;
+	}
+}
+
+	static Window
+ev_window (XEvent *ev)
+{
+	switch (ev->type) {
+		case Expose:
+			return ev->xexpose.window;
+		case MapNotify:
+			return ev->xmap.window;
+		case UnmapNotify:
+			return ev->xunmap.window;
+		case ReparentNotify:
+			return ev->xreparent.window;
+		case CirculateNotify:
+			return ev->xcirculate.window;
+		default:
+			if (ev->type == damage_event + XDamageNotify){
+				fprintf(stderr, "%d", ev->type);
+				return ((XDamageNotifyEvent *) ev)->drawable;
+			}
+			return 0;
+	}
+}
+
+void
+setShadowColor(char *value){  /*format nach #xxxxxx (html) ändern?*/
+	unsigned int tmp;
+	char **res = NULL;
+	tmp = strtoul(value, res, 16);
+	if( !value || strlen(value) < 6 || strlen(value) > 8 || (*(value+1) == 'x' && strlen(value) < 8) || res != NULL ){
+		shadowColor.red = 0;
+		shadowColor.green = 0;
+		shadowColor.blue = 0;
+		printf("wrong hexadecimal (use 0xXXXXXX or XXXXXX)! defaulting to black...\n");
+		return;
+	}
+	shadowColor.blue = tmp&0xff;
+	tmp >>= 8;
+	shadowColor.green = tmp&0xff;
+	tmp >>= 8;
+	shadowColor.red = tmp&0xff;
+}
+
+typedef enum _option{
+	Display_=0,
+	Compmode,
+	ExcludeDockShadows,
+	FadeWindows,
+	FadeTrans,
+	AutoRedirect,
+	Synchronize,
+	ShadowColor,
+	ShadowRadius,
+	ShadowOpacity,
+	ShadowOffsetX,
+	ShadowOffsetY,
+	FadeOutStep,
+	FadeInStep,
+	FadeDelta,
+	DisableARGB,
+	NUMBEROFOPTIONS
+} Option;
+
+const char *
+options[NUMBEROFOPTIONS] = {
+	"Display",              /*0*/
+	"Compmode",             /*1*/
+	"ExcludeDockShadows",   /*2*/
+	"FadeWindows",          /*3*/
+	"FadeTrans",            /*4*/
+	"AutoRedirect",         /*5*/
+	"Synchronize",          /*6*/
+	"ShadowColor",          /*7*/
+	"ShadowRadius",         /*8*/
+	"ShadowOpacity",        /*9*/
+	"ShadowOffsetX",        /*10*/
+	"ShadowOffsetY",        /*11*/
+	"FadeOutStep",          /*12*/
+	"FadeInStep",           /*13*/
+	"FadeDelta",            /*14*/
+	"DisableARGB",          /*15*/
+	/*put your thingy in here...*/    
+};
+
+void
+setValue(Option option, char *value ){
+	switch(option){ /*please keep that upside-down, because this way adding a new option is easier (all in one view)*/
+
+		case FadeDelta:
+			fade_delta = atoi(value);
+			if (fade_delta < 1)
+				fade_delta = 10;
+			break;
+		case FadeInStep:
+			fade_in_step = atof(value);
+			if (fade_in_step <= 0)
+				fade_in_step = 0.01;
+			break;
+		case FadeOutStep:
+			fade_out_step = atof(value);
+			if (fade_out_step <= 0)
+				fade_out_step = 0.01;
+			break;
+		case ShadowOffsetY:
+			shadowOffsetY = atoi(value);
+			break;
+		case ShadowOffsetX:
+			shadowOffsetX = atoi(value);
+			break;
+		case ShadowOpacity:
+			shadowOpacity = atof(value);
+			break;
+		case ShadowRadius:
+			shadowRadius = atoi(value);
+			break;                    
+		case ShadowColor:
+			setShadowColor(value);
+			break;
+		case Synchronize:
+			synchronize = ( strcasecmp(value, "true") == 0 );
+			break;
+		case AutoRedirect:
+			autoRedirect = ( strcasecmp(value, "true") == 0 );
+			break;
+		case FadeTrans:
+			fadeTrans = ( strcasecmp(value, "true") == 0 );
+			break;
+		case FadeWindows:
+			fadeWindows = ( strcasecmp(value, "true") == 0 );
+			break;
+		case ExcludeDockShadows:
+			excludeDockShadows = ( strcasecmp(value, "true") == 0 );
+			break;
+		case Compmode:
+			if( strcasecmp(value, "CompClientShadows") == 0 ){
+				compMode = CompClientShadows;
+			}
+			else if( strcasecmp(value, "CompServerShadows") == 0 ){
+				compMode = CompServerShadows;
+			}
+			else{
+				compMode = CompSimple; /*default*/
+			}
+			break;
+		case Display_:
+                        break;
+			display = strdup(value);
+			break;
+		case DisableARGB:
+			disable_argb = ( strcasecmp(value, "true") == 0 );
+			break;
+		default:
+			break;
+	}
+}
+
+int
+setParameter(char *line){
+	char *name = strtok(line, "=");
+	char *value = line+strlen(name)+1;
+	Option i;
+	for(i=Display_; i < NUMBEROFOPTIONS; i++){
+		if( strcasecmp(name, *(options+i) ) == 0 ){
+			setValue(i, value);
+			name = value = NULL;
+			return 1;
+		}
+	}
+	printf("ignored unknown option: <%s>\n", name);
+	name = value = NULL;
+	return 0;
+}
+
+void
+loadConfig(char *filename){
+	FILE           *file = NULL;
+	char            line[ 1024 ];
+	size_t          length = 0;
+	Bool            wasNull = False;
+	Bool            section = False;
+
+	if( filename == NULL ){
+		const char *home = getenv("HOME");
+		const char *configfile = "/.xcompmgrrc"; 
+		int n = strlen(home)+strlen(configfile)+1;
+		filename = (char*)malloc(n*sizeof(char));
+		memset(filename,0,n);
+		wasNull = True;
+
+		strcat(filename, home);
+		strcat(filename, configfile);
+	}
+
+	printf("trying '%s' as configfile\n\n", filename);
+
+	if( (file = fopen(filename, "r")) == NULL ){
+		printf("failed to open config file. does it exist?\n");
+		if( wasNull ){
+			free(filename);
+			filename = NULL;
+		}
+		return;
+	}
+
+	/*find section*/
+	while( !section && fgets(line, 1023, file) != NULL ){
+		if( strcmp(line, "[xcompmgr]\n") == 0 )
+			section = True;
+	}
+	/*read and set values*/
+	while( section && fgets(line, 1023, file) != NULL ){
+		int ret = strlen( line );
+		if( ret > 1 ){
+			if( *line == '[' )/*found new section - maybe check for '\n'?*/
+				break;
+			*(line+ret-1) = '\0';
+			setParameter(line);
+		}
+	}
+	printf("\nfinished parsing the config file\n");
+	fclose(file);
+	if( wasNull ){
+		free(filename);
+		filename = NULL;
+	}
+}
+
+	void
+usage (char *program)
+{
+	fprintf (stderr, "%s v1.0\n", program);
+	fprintf (stderr, "usage: %s [options]\n", program);
+	fprintf (stderr, "Options\n");
+	fprintf (stderr, "   -d display\n      Specifies which display should be managed.\n");
+	fprintf (stderr, "   -r radius\n      Specifies the blur radius for client-side shadows. (default 12)\n");
+	fprintf (stderr, "   -o opacity\n      Specifies the translucency for client-side shadows. (default .75)\n");
+	fprintf (stderr, "   -l left-offset\n      Specifies the left offset for client-side shadows. (default -15)\n");
+	fprintf (stderr, "   -t top-offset\n      Specifies the top offset for clinet-side shadows. (default -15)\n");
+	fprintf (stderr, "   -I fade-in-step\n      Specifies the opacity change between steps while fading in. (default 0.028)\n");
+	fprintf (stderr, "   -O fade-out-step\n      Specifies the opacity change between steps while fading out. (default 0.03)\n");
+	fprintf (stderr, "   -D fade-delta-time\n      Specifies the time between steps in a fade in milliseconds. (default 10)\n");
+	fprintf (stderr, "   -a\n      Use automatic server-side compositing. Faster, but no special effects.\n");
+	fprintf (stderr, "   -c\n      Draw client-side shadows with fuzzy edges.\n");
+	fprintf (stderr, "   -C\n      Avoid drawing shadows on dock/panel windows.\n");
+	fprintf (stderr, "   -f\n      Fade windows in/out when opening/closing.\n");
+	fprintf (stderr, "   -F\n      Fade windows during opacity changes.\n");
+	fprintf (stderr, "   -n\n      Normal client-side compositing with transparency support\n");
+	fprintf (stderr, "   -s\n      Draw server-side shadows with sharp edges.\n");
+	fprintf (stderr, "   -S\n      Enable synchronous operation (for debugging).\n");
+	fprintf (stderr, "   -x [0x]XXXXXX\n      Choose Custom Color in hex format\n");
+	fprintf (stderr, "   -v\n      Print version Number and exit\n");
+	fprintf (stderr, "   -h\n      Print this help\n");
+	exit (1);
+}
+
+	static void
+give_me_a_name(void)
+{
+  Window w;
+
+  w = XCreateSimpleWindow (dpy, RootWindow(dpy, 0), 0, 0, 1, 1, 0, None,
+		  None);
+  Xutf8SetWMProperties(dpy, w, "kcompmgr", "kcompmgr", NULL, 0, NULL, NULL,
+		  NULL);
+}	
+
+	int
+main (int argc, char **argv)
+{
+	XEvent	    ev;
+	Window	    root_return, parent_return;
+	Window	    *children;
+	Pixmap	    transPixmap;
+	Pixmap	    blackPixmap;
+	unsigned int    nchildren;
+	int		    i;
+	XRenderPictureAttributes	pa;
+	XRenderColor		c;
+	XRectangle	    *expose_rects = 0;
+	int		    size_expose = 0;
+	int		    n_expose = 0;
+	struct pollfd   ufd;
+	int		    n;
+	int		    last_update;
+	int		    now;
+	int		    p;
+	int		    composite_major, composite_minor;
+
+	int		    o;
+    char **res = NULL;
+
+	shadowColor.red = 0;
+	shadowColor.green = 0;
+	shadowColor.blue = 0;
+
+	loadConfig(NULL); /*we do that before cmdline-parsing, so config-values can be overridden*/
+	/*used for shadow colors*/
+	while ((o = getopt (argc, argv, "D:I:O:d:r:o:l:t:scnfFCaSx:vh")) != -1)
+	{
+		switch (o) {
+			case 'd':
+				display = optarg;
+				break;
+			case 'D':
+				fade_delta = atoi (optarg);
+				if (fade_delta < 1)
+					fade_delta = 10;
+				break;
+			case 'I':
+				fade_in_step = atof (optarg);
+				if (fade_in_step <= 0)
+					fade_in_step = 0.01;
+				break;
+			case 'O':
+				fade_out_step = atof (optarg);
+				if (fade_out_step <= 0)
+					fade_out_step = 0.01;
+				break;
+			case 's':
+				compMode = CompServerShadows;
+				break;
+			case 'c':
+				compMode = CompClientShadows;
+				break;
+			case 'C':
+				excludeDockShadows = True;
+				break;
+			case 'n':
+				compMode = CompSimple;
+				break;
+			case 'f':
+				fadeWindows = True;
+				break;
+			case 'F':
+				fadeTrans = True;
+				break;
+			case 'a':
+				autoRedirect = True;
+				break;
+			case 'S':
+				synchronize = True;
+				break;
+			case 'r':
+				shadowRadius = atoi (optarg);
+				break;
+			case 'o':
+				shadowOpacity = atof (optarg);
+				break;
+			case 'l':
+				shadowOffsetX = atoi (optarg);
+				break;
+			case 't':
+				shadowOffsetY = atoi (optarg);
+				break;
+			case 'x':
+				if( compMode != CompClientShadows ){
+					fprintf(stderr, "sorry, but we need ClientShadows (-c) for coloring to work properly!\ndefaulting to black...\n");
+					break;
+				}
+				setShadowColor(optarg);
+				break;
+			case 'v': fprintf (stderr, "%s v%-3.2f\n", argv[0], _VERSION_); exit (0);
+			case 'h':
+			default:
+				  usage (argv[0]);
+				  break;
+		}
+	}
+
+	dpy = XOpenDisplay (display);
+	if (!dpy)
+	{
+		fprintf (stderr, "Can't open display\n");
+		exit (1);
+	}
+	XSetErrorHandler (error);
+	if (synchronize)
+		XSynchronize (dpy, 1);
+	scr = DefaultScreen (dpy);
+	root = RootWindow (dpy, scr);
+
+	if (!XRenderQueryExtension (dpy, &render_event, &render_error))
+	{
+		fprintf (stderr, "No render extension\n");
+		exit (1);
+	}
+	if (!XQueryExtension (dpy, COMPOSITE_NAME, &composite_opcode,
+				&composite_event, &composite_error))
+	{
+		fprintf (stderr, "No composite extension\n");
+		exit (1);
+	}
+	XCompositeQueryVersion (dpy, &composite_major, &composite_minor);
+#if HAS_NAME_WINDOW_PIXMAP
+	if (composite_major > 0 || composite_minor >= 2)
+		hasNamePixmap = True;
+#endif
+
+	if (!XDamageQueryExtension (dpy, &damage_event, &damage_error))
+	{
+		fprintf (stderr, "No damage extension\n");
+		exit (1);
+	}
+	if (!XFixesQueryExtension (dpy, &xfixes_event, &xfixes_error))
+	{
+		fprintf (stderr, "No XFixes extension\n");
+		exit (1);
+	}
+
+	fprintf(stderr, "Started\n");
+
+	give_me_a_name();
+
+	/* get atoms */
+	shadowAtom = XInternAtom (dpy, SHADOW_PROP, False);
+	opacityAtom = XInternAtom (dpy, OPACITY_PROP, False);
+	shadeAtom = XInternAtom (dpy, SHADE_PROP, False);
+	shapableAtom = XInternAtom (dpy, SHAPABLE_PROP, False);
+	decoHashAtom = XInternAtom (dpy, DECOHASH_PROP, False);
+        dimAtom = XInternAtom (dpy, DIM_PROP, False);
+        deskChangeAtom = XInternAtom (dpy, DESKCHANGE_PROP, False);
+	winTypeAtom = XInternAtom (dpy, "_NET_WM_WINDOW_TYPE", False);
+	winDesktopAtom = XInternAtom (dpy, "_NET_WM_WINDOW_TYPE_DESKTOP", False);
+	winDockAtom = XInternAtom (dpy, "_NET_WM_WINDOW_TYPE_DOCK", False);
+	winToolbarAtom = XInternAtom (dpy, "_NET_WM_WINDOW_TYPE_TOOLBAR", False);
+	winMenuAtom = XInternAtom (dpy, "_NET_WM_WINDOW_TYPE_MENU", False);
+	winUtilAtom = XInternAtom (dpy, "_NET_WM_WINDOW_TYPE_UTILITY", False);
+	winSplashAtom = XInternAtom (dpy, "_NET_WM_WINDOW_TYPE_SPLASH", False);
+	winDialogAtom = XInternAtom (dpy, "_NET_WM_WINDOW_TYPE_DIALOG", False);
+	winNormalAtom = XInternAtom (dpy, "_NET_WM_WINDOW_TYPE_NORMAL", False);
+
+	pa.subwindow_mode = IncludeInferiors;
+
+	if (compMode == CompClientShadows)
+	{
+		gaussianMap = make_gaussian_map(dpy, shadowRadius);
+		presum_gaussian (gaussianMap);
+	}
+
+	root_width = DisplayWidth (dpy, scr);
+	root_height = DisplayHeight (dpy, scr);
+
+	rootPicture = XRenderCreatePicture (dpy, root, 
+			sXRenderFindVisualFormat (dpy,
+				DefaultVisual (dpy, scr)),
+			CPSubwindowMode,
+			&pa);
+	blackPicture = solid_picture (dpy, True, 1, (double)(shadowColor.red)/0xff, (double)(shadowColor.green)/0xff, (double)(shadowColor.blue)/0xff);
+	if (compMode == CompServerShadows)
+		transBlackPicture = solid_picture (dpy, True, 0.3, 0, 0, 0);
+	allDamage = None;
+	clipChanged = True;
+	XGrabServer (dpy);
+	if (autoRedirect)
+		XCompositeRedirectSubwindows (dpy, root, CompositeRedirectAutomatic);
+	else
+	{
+        int dummy;
+		XCompositeRedirectSubwindows (dpy, root, CompositeRedirectManual);
+		XSelectInput (dpy, root, 
+				SubstructureNotifyMask|
+				ExposureMask|
+				StructureNotifyMask|
+				PropertyChangeMask |
+				VisibilityChangeMask);
+
+		/*shaping stuff*/
+		XShapeQueryExtension(dpy, &shapeEvent, &dummy);
+
+		XQueryTree (dpy, root, &root_return, &parent_return, &children, &nchildren);
+		for (i = 0; i < nchildren; i++)
+			add_win (dpy, children[i], i ? children[i-1] : None);
+		XFree (children);
+	}
+	XUngrabServer (dpy);
+	ufd.fd = ConnectionNumber (dpy);
+	ufd.events = POLLIN;
+	if (!autoRedirect)
+		paint_all (dpy, None);
+	for (;;)
+	{
+		/*	dump_wins (); */
+		do {
+			if (autoRedirect)
+				XFlush (dpy);
+			if (!QLength (dpy))
+			{
+				if (poll (&ufd, 1, fade_timeout()) == 0)
+				{
+					run_fades (dpy);
+					break;
+				}
+			}
+
+			XNextEvent (dpy, &ev);
+			if ((ev.type & 0x7f) != KeymapNotify)
+				discard_ignore (dpy, ev.xany.serial);
+#if DEBUG_EVENTS
+			printf ("event %10.10s serial 0x%08x window 0x%08x\n",
+					ev_name(&ev), ev_serial (&ev), ev_window (&ev));
+#endif
+			if (!autoRedirect) switch (ev.type) {
+				case CreateNotify:
+					add_win (dpy, ev.xcreatewindow.window, 0);
+					break;
+				case ConfigureNotify:
+					configure_win (dpy, &ev.xconfigure);
+					break;
+				case DestroyNotify:
+					destroy_win (dpy, ev.xdestroywindow.window, True, True);
+					break;
+				case MapNotify:
+					map_win (dpy, ev.xmap.window, ev.xmap.serial, True);
+					break;
+				case UnmapNotify:
+					unmap_win (dpy, ev.xunmap.window, True);
+					break;
+				case ReparentNotify:
+					if (ev.xreparent.parent == root)
+						add_win (dpy, ev.xreparent.window, 0);
+					else
+						destroy_win (dpy, ev.xreparent.window, False, True);
+					break;
+				case CirculateNotify:
+					circulate_win (dpy, &ev.xcirculate);
+					break;
+				case Expose:
+					if (ev.xexpose.window == root)
+					{
+						int more = ev.xexpose.count + 1;
+						if (n_expose == size_expose)
+						{
+							if (expose_rects)
+							{
+								expose_rects = realloc (expose_rects, 
+										(size_expose + more) * 
+										sizeof (XRectangle));
+								size_expose += more;
+							}
+							else
+							{
+								expose_rects = malloc (more * sizeof (XRectangle));
+								size_expose = more;
+							}
+						}
+						expose_rects[n_expose].x = ev.xexpose.x;
+						expose_rects[n_expose].y = ev.xexpose.y;
+						expose_rects[n_expose].width = ev.xexpose.width;
+						expose_rects[n_expose].height = ev.xexpose.height;
+						n_expose++;
+						if (ev.xexpose.count == 0)
+						{
+							expose_root (dpy, root, expose_rects, n_expose);
+							n_expose = 0;
+						}
+					}
+					break;
+				case PropertyNotify:
+					for (p = 0; backgroundProps[p]; p++)
+					{
+						if (ev.xproperty.atom == XInternAtom (dpy, backgroundProps[p], False))
+						{
+							if (rootTile)
+							{
+								XClearArea (dpy, root, 0, 0, 0, 0, True);
+								XRenderFreePicture (dpy, rootTile);
+								rootTile = None;
+								break;
+							}
+						}
+					}
+					/* Window set shade? */
+					if (ev.xproperty.atom == shadeAtom)
+					{
+						win * w = find_win(dpy, ev.xproperty.window);
+    					if (w){
+    					           unsigned int tmp = get_shade_prop(dpy, w);
+						if (tmp)
+						{
+							if (tmp == 1)
+							{
+								w->preShadeOpacity = w->opacity;
+								w->opacity = w->opacity-1; /*assuming that no human being will ever be able to shade an invisable window ;) */
+								determine_mode(dpy, w);
+							}
+							else if (tmp == 2)
+							{
+								w->opacity = w->preShadeOpacity;
+								determine_mode(dpy, w);
+							}
+						}
+						break;
+    					}
+					}
+					else if (ev.xproperty.atom == shapableAtom)
+					{
+						win * w = find_win(dpy, ev.xproperty.window);
+						if (w)
+						{
+							w->shapable = get_shapable_prop(dpy, w);
+							/*			printf("%u is %s shapable\n",w->id,w->shapable?"":"not");*/
+						}
+						else
+							printf("arrrg, window not found\n");
+					}
+					else if (ev.xproperty.atom == decoHashAtom)
+					{
+						win * w = find_win(dpy, ev.xproperty.window);
+						if (w)
+						{
+							w->decoHash = get_decoHash_prop(dpy, w);
+						}
+						else
+							printf("arrrg, window not found\n");
+					}
+                                        else if (ev.xproperty.atom == dimAtom)
+                                        {
+                                                win * w = find_win(dpy, ev.xproperty.window);
+                                                if (w)
+                                                {
+                                                    unsigned int tmp = get_dim_prop(dpy, w);
+                                                    if (w->dimPicture)
+                                                    {
+                                                        XRenderFreePicture (dpy, w->dimPicture);
+                                                        w->dimPicture = None;
+                                                    }
+                                                    if (tmp < OPAQUE)
+                                                        w->dimPicture = solid_picture (dpy, True, (double)tmp/OPAQUE, 0.1, 0.1, 0.1);
+                                                }
+                                                else
+                                                printf("arrrg, window not found\n");
+                                        }
+					/* check if Trans or Shadow property was changed */    
+					else if (ev.xproperty.atom == opacityAtom || ev.xproperty.atom == shadowAtom)
+					{
+						/* reset mode and redraw window */
+						win * w = find_win(dpy, ev.xproperty.window);
+						if (w)
+						{
+                                                    unsigned int tmp;
+                                                    unsigned int oldShadowSize = w->shadowSize;
+							if (ev.xproperty.atom == opacityAtom)
+							{
+								tmp = get_opacity_prop(dpy, w, OPAQUE);
+   							/*THis will most probably happen if window is in fade - resulting in that the fade process isn't updated or broken -> we may have a wrong opacity in the future*/
+   							/*if (tmp == w->opacity)
+									break;*/ /*skip if opacity does not change*/
+								if (fadeTrans)
+								{
+									static double start, finish, step;
+									start = w->opacity*1.0/OPAQUE;
+									finish = (tmp*1.0)/OPAQUE;
+									
+									if ( start > finish )
+										step = fade_out_step;
+									else
+										step = fade_in_step;
+									
+								    set_fade (dpy, w, start, finish, step, 0, False, True, True, False);
+                                    break;
+                                    }
+                                else
+                                    w->opacity = tmp;
+                                }
+                            else
+                                {
+                                tmp = get_shadow_prop(dpy, w);
+                                if (tmp == w->shadowSize)
+                                    break; /*skip if shadow does not change*/
+                                w->shadowSize = tmp;
+/*                                if (w->isInFade)
+                                    break;*/
+                                }
+                            if (w->shadow)
+                            {
+                                XRenderFreePicture (dpy, w->shadow);
+                                w->shadow = None;
+                            }
+                            if (oldShadowSize < w->shadowSize) /* this is important to catch size changes on cleanup with determine_mode*/
+                            {
+                                if( w->extents != None )
+                                    XFixesDestroyRegion( dpy, w->extents );
+                                w->extents = win_extents (dpy, w);
+                                determine_mode(dpy, w);
+                            }
+                            else
+                            {
+                                determine_mode(dpy, w);
+                                if( w->extents != None )
+                                    XFixesDestroyRegion( dpy, w->extents );
+                                w->extents = win_extents (dpy, w);
+                            }
+		    }
+		}
+                else if (ev.xproperty.atom == deskChangeAtom)
+                {
+                    /*just set global variable*/
+                    unsigned int tmp = get_deskchange_prop(dpy, ev.xproperty.window);
+                    printf("desk change, state:%d\n",tmp);
+                }
+                break;
+	    default:
+		if (ev.type == damage_event + XDamageNotify)
+                {
+                    /*                     printf("damaging win: %u\n",ev.xany.window);*/
+		    damage_win (dpy, (XDamageNotifyEvent *) &ev);
+                }
+                else if (ev.type == shapeEvent)
+                {
+                    win * w = find_win(dpy, ev.xany.window);
+#if 1
+                    if (w && w->shapable)
+#endif
+#if 0
+                    if (w)
+#endif
+                    {
+#if 0
+                        XRectangle rect;
+                        rect.x = ((XShapeEvent*)&ev)->x;
+                        rect.y = ((XShapeEvent*)&ev)->y;
+                        rect.width = ((XShapeEvent*)&ev)->width;
+                        rect.height = ((XShapeEvent*)&ev)->height;
+                        damage_shape(dpy, w, &rect);
+#endif
+#if 0
+			if (w->shadowSize != 0)
+			{
+			    w->shadowSize = 0;
+			    XRenderFreePicture (dpy, w->shadow);
+                            w->shadow = None;
+			    determine_mode(dpy, w);
+                            if( w->extents != None )
+                                XFixesDestroyRegion( dpy, w->extents );
+                            w->extents = win_extents (dpy, w);
+			}
+#endif		
+                        /*this is hardly efficient, but a current workaraound 
+                        shaping support isn't that good so far (e.g. we lack shaped shadows)
+                        IDEA: use XRender to scale/shift a copy of the window and then blurr it*/
+#if 1
+                        if (w->picture)
+                        {
+                        clipChanged = True;
+                        repair_win (dpy, w);
+                        }
+#endif
+                    }
+                }
+		break;
+	    }
+	} while (QLength (dpy));
+	if (allDamage && !autoRedirect)
+	{
+            /*static int	paint;*/
+	    paint_all (dpy, allDamage);
+            /*paint++;*/
+            XSync (dpy, False);
+	    allDamage = None;
+	    clipChanged = False;
+	}
+    }
+}