1 files changed, 201 insertions, 0 deletions
diff --git a/hw/xnest/Display.c b/hw/xnest/Display.c
new file mode 100644
index 000000000..5f3bdb9a5
--- /dev/null
+++ b/hw/xnest/Display.c
@@ -0,0 +1,201 @@
+/* $Xorg: Display.c,v 1.3 2000/08/17 19:53:28 cpqbld Exp $ */
+/*
+
+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.
+
+*/
+
+
+#include "X.h"
+#include "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;
+int xnestNumDefaultColormaps;
+int *xnestDepths;
+int xnestNumDepths;
+XPixmapFormatValues *xnestPixmapFormats;
+int xnestNumPixmapFormats;
+Pixel xnestBlackPixel;             
+Pixel xnestWhitePixel;             
+Drawable xnestDefaultDrawables[MAXDEPTH + 1];
+Pixmap xnestIconBitmap;
+Pixmap xnestScreenSaverPixmap;
+XlibGC xnestBitmapGC;
+Window xnestConfineWindow;
+unsigned long xnestEventMask;
+
+void xnestOpenDisplay(argc, argv)
+     int argc;
+     char *argv[];
+{
+  XVisualInfo vi;
+  long mask;
+  int i, j;
+  extern Window xnestParentWindow;
+
+  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("Uable to find desird 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 *)xalloc(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);
+  
+  xnestConfineWindow = XCreateWindow(xnestDisplay, 
+				     DefaultRootWindow(xnestDisplay),
+				     0, 0, 1, 1, 0, 0,
+				     InputOnly,
+				     CopyFromParent,
+				     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()
+{
+  int i;
+
+  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.
+    */
+
+  xfree(xnestDefaultColormaps);
+  XFree(xnestVisuals);
+  XFree(xnestDepths);
+  XFree(xnestPixmapFormats);
+  XCloseDisplay(xnestDisplay);
+}