add a test for shaped windows

tests/Makefile

@@ -3,4 +3,4 @@ files=$(wildcard *.c)
 all: $(files:.c=)
 
 %: %.c
-	$(CC) $(CFLAGS) -o $@ $^ -lX11 -L/usr/X11R6/lib -I/usr/X11R6/include
+	$(CC) $(CFLAGS) -o $@ $^ -lX11 -lXext -L/usr/X11R6/lib -I/usr/X11R6/include

tests/shape.c

@@ -0,0 +1,77 @@
+/* -*- indent-tabs-mode: nil; tab-width: 4; c-basic-offset: 4; -*-
+
+   shape.c for the Openbox window manager
+   Copyright (c) 2003-2007   Dana Jansens
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   See the COPYING file for a copy of the GNU General Public License.
+*/
+
+#include <stdio.h>
+#include <unistd.h>
+#include <X11/Xlib.h>
+#include <X11/Xutil.h>
+#include <X11/extensions/shape.h>
+
+int main () {
+
+  Display   *display;
+  Window     win;
+  XEvent     report;
+  XEvent     msg;
+  int        x=50,y=50,h=100,w=400;
+  XWMHints   hint;
+  XRectangle xrect;
+
+  display = XOpenDisplay(NULL);
+
+  if (display == NULL) {
+    fprintf(stderr, "couldn't connect to X server :0\n");
+    return 0;
+  }
+
+  win = XCreateWindow(display, RootWindow(display, 0),
+		      x, y, w, h, 10, CopyFromParent, CopyFromParent,
+		      CopyFromParent, 0, NULL);
+  xrect.x = 10;
+  xrect.y = 10;
+  xrect.width = w - 20;
+  xrect.height = h - 20;
+  XShapeCombineRectangles(display, win,
+                          ShapeBounding, 0, 0, &xrect, 1,
+                          ShapeSet, Unsorted);
+
+  XSetWindowBackground(display,win,BlackPixel(display,0)); 
+
+  XMapWindow(display, win);
+  XFlush(display);
+
+  while (1) {
+    XNextEvent(display, &report);
+
+    switch (report.type) {
+    case Expose:
+      printf("exposed\n");
+      break;
+    case ConfigureNotify:
+      x = report.xconfigure.x;
+      y = report.xconfigure.y;
+      w = report.xconfigure.width;
+      h = report.xconfigure.height;
+      printf("confignotify %i,%i-%ix%i\n",x,y,w,h);
+      break;
+    }
+
+  }
+
+  return 1;
+}