1 files changed, 206 insertions, 193 deletions
diff --git a/xorg-server/hw/xnest/Display.c b/xorg-server/hw/xnest/Display.c
index 72c640186..7acad755c 100644
--- a/xorg-server/hw/xnest/Display.c
+++ b/xorg-server/hw/xnest/Display.c
@@ -1,193 +1,206 @@
-/*
-
-Copyright 1993 by Davor Matic
-
-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.  Davor Matic makes no representations about
-the suitability of this software for any purpose.  It is provided "as
-is" without express or implied warranty.
-
-*/
-
-
-#ifdef HAVE_XNEST_CONFIG_H
-#include <xnest-config.h>
-#endif
-
-#include <X11/X.h>
-#include <X11/Xproto.h>
-#include "screenint.h"
-#include "input.h"
-#include "misc.h"
-#include "scrnintstr.h"
-#include "servermd.h"
-
-#include "Xnest.h"
-
-#include "Display.h"
-#include "Init.h"
-#include "Args.h"
-
-#include "icon"
-#include "screensaver"
-
-Display *xnestDisplay = NULL;
-XVisualInfo *xnestVisuals;
-int xnestNumVisuals;
-int xnestDefaultVisualIndex;
-Colormap *xnestDefaultColormaps;
-static int xnestNumDefaultColormaps;
-int *xnestDepths;
-int xnestNumDepths;
-XPixmapFormatValues *xnestPixmapFormats;
-int xnestNumPixmapFormats;
-Pixel xnestBlackPixel;             
-Pixel xnestWhitePixel;             
-Drawable xnestDefaultDrawables[MAXDEPTH + 1];
-Pixmap xnestIconBitmap;
-Pixmap xnestScreenSaverPixmap;
-XlibGC xnestBitmapGC;
-unsigned long xnestEventMask;
-
-void
-xnestOpenDisplay(int argc, char *argv[])
-{
-  XVisualInfo vi;
-  long mask;
-  int i, j;
-
-  if (!xnestDoFullGeneration) return;
-  
-  xnestCloseDisplay();
-
-  xnestDisplay = XOpenDisplay(xnestDisplayName);
-  if (xnestDisplay == NULL)
-    FatalError("Unable to open display \"%s\".\n", 
-	       XDisplayName(xnestDisplayName));
-
-  if (xnestSynchronize)
-    XSynchronize(xnestDisplay, True);
-
-  mask = VisualScreenMask;
-  vi.screen = DefaultScreen(xnestDisplay);
-  xnestVisuals = XGetVisualInfo(xnestDisplay, mask, &vi, &xnestNumVisuals);
-  if (xnestNumVisuals == 0 || xnestVisuals == NULL)
-    FatalError("Unable to find any visuals.\n");
-
-  if (xnestUserDefaultClass || xnestUserDefaultDepth) {
-    xnestDefaultVisualIndex = UNDEFINED;
-    for (i = 0; i < xnestNumVisuals; i++)
-      if ((!xnestUserDefaultClass ||
-	   xnestVisuals[i].class == xnestDefaultClass)
-	  &&
-	  (!xnestUserDefaultDepth ||
-	   xnestVisuals[i].depth == xnestDefaultDepth)) {
-	xnestDefaultVisualIndex = i;
-	break;
-      }
-    if (xnestDefaultVisualIndex == UNDEFINED) 
-      FatalError("Unable to find desired default visual.\n");
-  }
-  else {
-    vi.visualid = XVisualIDFromVisual(DefaultVisual(xnestDisplay, 
-				      DefaultScreen(xnestDisplay))); 
-    xnestDefaultVisualIndex = 0;
-    for (i = 0; i < xnestNumVisuals; i++)
-      if (vi.visualid == xnestVisuals[i].visualid)
-	xnestDefaultVisualIndex = i;
-  }
-  
-  xnestNumDefaultColormaps = xnestNumVisuals;
-  xnestDefaultColormaps = (Colormap *)malloc(xnestNumDefaultColormaps *
-					     sizeof(Colormap));
-  for (i = 0; i < xnestNumDefaultColormaps; i++)
-    xnestDefaultColormaps[i] = XCreateColormap(xnestDisplay,
-					       DefaultRootWindow(xnestDisplay),
-					       xnestVisuals[i].visual,
-					       AllocNone);
-  
-  xnestDepths = XListDepths(xnestDisplay, DefaultScreen(xnestDisplay),
-			    &xnestNumDepths);
-
-  xnestPixmapFormats = XListPixmapFormats(xnestDisplay, 
-					  &xnestNumPixmapFormats);
-  
-  xnestBlackPixel = BlackPixel(xnestDisplay, DefaultScreen(xnestDisplay));
-  xnestWhitePixel = WhitePixel(xnestDisplay, DefaultScreen(xnestDisplay));
-
-  if (xnestParentWindow != (Window) 0)
-    xnestEventMask = StructureNotifyMask;
-  else
-    xnestEventMask = 0L;
-  
-  for (i = 0; i <= MAXDEPTH; i++)
-    xnestDefaultDrawables[i] = None;
-  
-  for (i = 0; i < xnestNumPixmapFormats; i++)
-    for (j = 0; j < xnestNumDepths; j++)
-      if (xnestPixmapFormats[i].depth == 1 ||
-	  xnestPixmapFormats[i].depth == xnestDepths[j]) {
-	xnestDefaultDrawables[xnestPixmapFormats[i].depth] =
-	  XCreatePixmap(xnestDisplay, DefaultRootWindow(xnestDisplay), 
-			1, 1, xnestPixmapFormats[i].depth);
-      }
-  
-  xnestBitmapGC = XCreateGC(xnestDisplay, xnestDefaultDrawables[1], 0L, NULL);
-  
-  if (!(xnestUserGeometry & XValue))
-    xnestX = 0;
-  
-  if (!(xnestUserGeometry & YValue))
-    xnestY = 0;
-  
-  if (xnestParentWindow == 0) {
-    if (!(xnestUserGeometry & WidthValue))
-      xnestWidth = 3 * DisplayWidth(xnestDisplay, 
-				    DefaultScreen(xnestDisplay)) / 4;
-  
-    if (!(xnestUserGeometry & HeightValue))
-      xnestHeight = 3 * DisplayHeight(xnestDisplay, 
-				      DefaultScreen(xnestDisplay)) / 4;
-  }
-
-  if (!xnestUserBorderWidth)
-    xnestBorderWidth = 1;
-
-  xnestIconBitmap = 
-    XCreateBitmapFromData(xnestDisplay,
-			  DefaultRootWindow(xnestDisplay),
-			  (char *)icon_bits,
-			  icon_width,
-			  icon_height);
-  
-  xnestScreenSaverPixmap = 
-    XCreatePixmapFromBitmapData(xnestDisplay,
-				DefaultRootWindow(xnestDisplay),
-				(char *)screensaver_bits,
-				screensaver_width,
-				screensaver_height,
-				xnestWhitePixel,
-				xnestBlackPixel,
-				DefaultDepth(xnestDisplay,
-					     DefaultScreen(xnestDisplay)));
-}
-
-void
-xnestCloseDisplay(void)
-{
-  if (!xnestDoFullGeneration || !xnestDisplay) return;
-
-  /*
-    If xnestDoFullGeneration all x resources will be destroyed upon closing
-    the display connection.  There is no need to generate extra protocol.
-    */
-
-  free(xnestDefaultColormaps);
-  XFree(xnestVisuals);
-  XFree(xnestDepths);
-  XFree(xnestPixmapFormats);
-  XCloseDisplay(xnestDisplay);
-}
+/*
+
+Copyright 1993 by Davor Matic
+
+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.  Davor Matic makes no representations about
+the suitability of this software for any purpose.  It is provided "as
+is" without express or implied warranty.
+
+*/
+
+
+#ifdef HAVE_XNEST_CONFIG_H
+#include <xnest-config.h>
+#endif
+
+#include <string.h>
+#include <errno.h>
+
+#include <X11/X.h>
+#include <X11/Xproto.h>
+#include "screenint.h"
+#include "input.h"
+#include "misc.h"
+#include "scrnintstr.h"
+#include "servermd.h"
+
+#include "Xnest.h"
+
+#include "Display.h"
+#include "Init.h"
+#include "Args.h"
+
+#include "icon"
+#include "screensaver"
+
+Display *xnestDisplay = NULL;
+XVisualInfo *xnestVisuals;
+int xnestNumVisuals;
+int xnestDefaultVisualIndex;
+Colormap *xnestDefaultColormaps;
+static int xnestNumDefaultColormaps;
+int *xnestDepths;
+int xnestNumDepths;
+XPixmapFormatValues *xnestPixmapFormats;
+int xnestNumPixmapFormats;
+Pixel xnestBlackPixel;             
+Pixel xnestWhitePixel;             
+Drawable xnestDefaultDrawables[MAXDEPTH + 1];
+Pixmap xnestIconBitmap;
+Pixmap xnestScreenSaverPixmap;
+XlibGC xnestBitmapGC;
+unsigned long xnestEventMask;
+
+static int _X_NORETURN
+x_io_error_handler (Display *dpy) {
+    ErrorF("Lost connection to X server: %s\n", strerror(errno));
+    CloseWellKnownConnections();
+    OsCleanup(1);
+    exit(1);
+}
+
+void
+xnestOpenDisplay(int argc, char *argv[])
+{
+  XVisualInfo vi;
+  long mask;
+  int i, j;
+
+  if (!xnestDoFullGeneration) return;
+
+  XSetIOErrorHandler(x_io_error_handler);
+
+  xnestCloseDisplay();
+
+  xnestDisplay = XOpenDisplay(xnestDisplayName);
+  if (xnestDisplay == NULL)
+    FatalError("Unable to open display \"%s\".\n", 
+	       XDisplayName(xnestDisplayName));
+
+  if (xnestSynchronize)
+    XSynchronize(xnestDisplay, True);
+
+  mask = VisualScreenMask;
+  vi.screen = DefaultScreen(xnestDisplay);
+  xnestVisuals = XGetVisualInfo(xnestDisplay, mask, &vi, &xnestNumVisuals);
+  if (xnestNumVisuals == 0 || xnestVisuals == NULL)
+    FatalError("Unable to find any visuals.\n");
+
+  if (xnestUserDefaultClass || xnestUserDefaultDepth) {
+    xnestDefaultVisualIndex = UNDEFINED;
+    for (i = 0; i < xnestNumVisuals; i++)
+      if ((!xnestUserDefaultClass ||
+	   xnestVisuals[i].class == xnestDefaultClass)
+	  &&
+	  (!xnestUserDefaultDepth ||
+	   xnestVisuals[i].depth == xnestDefaultDepth)) {
+	xnestDefaultVisualIndex = i;
+	break;
+      }
+    if (xnestDefaultVisualIndex == UNDEFINED) 
+      FatalError("Unable to find desired default visual.\n");
+  }
+  else {
+    vi.visualid = XVisualIDFromVisual(DefaultVisual(xnestDisplay, 
+				      DefaultScreen(xnestDisplay))); 
+    xnestDefaultVisualIndex = 0;
+    for (i = 0; i < xnestNumVisuals; i++)
+      if (vi.visualid == xnestVisuals[i].visualid)
+	xnestDefaultVisualIndex = i;
+  }
+  
+  xnestNumDefaultColormaps = xnestNumVisuals;
+  xnestDefaultColormaps = (Colormap *)malloc(xnestNumDefaultColormaps *
+					     sizeof(Colormap));
+  for (i = 0; i < xnestNumDefaultColormaps; i++)
+    xnestDefaultColormaps[i] = XCreateColormap(xnestDisplay,
+					       DefaultRootWindow(xnestDisplay),
+					       xnestVisuals[i].visual,
+					       AllocNone);
+  
+  xnestDepths = XListDepths(xnestDisplay, DefaultScreen(xnestDisplay),
+			    &xnestNumDepths);
+
+  xnestPixmapFormats = XListPixmapFormats(xnestDisplay, 
+					  &xnestNumPixmapFormats);
+  
+  xnestBlackPixel = BlackPixel(xnestDisplay, DefaultScreen(xnestDisplay));
+  xnestWhitePixel = WhitePixel(xnestDisplay, DefaultScreen(xnestDisplay));
+
+  if (xnestParentWindow != (Window) 0)
+    xnestEventMask = StructureNotifyMask;
+  else
+    xnestEventMask = 0L;
+  
+  for (i = 0; i <= MAXDEPTH; i++)
+    xnestDefaultDrawables[i] = None;
+  
+  for (i = 0; i < xnestNumPixmapFormats; i++)
+    for (j = 0; j < xnestNumDepths; j++)
+      if (xnestPixmapFormats[i].depth == 1 ||
+	  xnestPixmapFormats[i].depth == xnestDepths[j]) {
+	xnestDefaultDrawables[xnestPixmapFormats[i].depth] =
+	  XCreatePixmap(xnestDisplay, DefaultRootWindow(xnestDisplay), 
+			1, 1, xnestPixmapFormats[i].depth);
+      }
+  
+  xnestBitmapGC = XCreateGC(xnestDisplay, xnestDefaultDrawables[1], 0L, NULL);
+  
+  if (!(xnestUserGeometry & XValue))
+    xnestX = 0;
+  
+  if (!(xnestUserGeometry & YValue))
+    xnestY = 0;
+  
+  if (xnestParentWindow == 0) {
+    if (!(xnestUserGeometry & WidthValue))
+      xnestWidth = 3 * DisplayWidth(xnestDisplay, 
+				    DefaultScreen(xnestDisplay)) / 4;
+  
+    if (!(xnestUserGeometry & HeightValue))
+      xnestHeight = 3 * DisplayHeight(xnestDisplay, 
+				      DefaultScreen(xnestDisplay)) / 4;
+  }
+
+  if (!xnestUserBorderWidth)
+    xnestBorderWidth = 1;
+
+  xnestIconBitmap = 
+    XCreateBitmapFromData(xnestDisplay,
+			  DefaultRootWindow(xnestDisplay),
+			  (char *)icon_bits,
+			  icon_width,
+			  icon_height);
+  
+  xnestScreenSaverPixmap = 
+    XCreatePixmapFromBitmapData(xnestDisplay,
+				DefaultRootWindow(xnestDisplay),
+				(char *)screensaver_bits,
+				screensaver_width,
+				screensaver_height,
+				xnestWhitePixel,
+				xnestBlackPixel,
+				DefaultDepth(xnestDisplay,
+					     DefaultScreen(xnestDisplay)));
+}
+
+void
+xnestCloseDisplay(void)
+{
+  if (!xnestDoFullGeneration || !xnestDisplay) return;
+
+  /*
+    If xnestDoFullGeneration all x resources will be destroyed upon closing
+    the display connection.  There is no need to generate extra protocol.
+    */
+
+  free(xnestDefaultColormaps);
+  XFree(xnestVisuals);
+  XFree(xnestDepths);
+  XFree(xnestPixmapFormats);
+  XCloseDisplay(xnestDisplay);
+}