Initial revision

1 files changed, 116 insertions, 0 deletions

diff --git a/xlib/xutil.c b/xlib/xutil.c
new file mode 100644
index 0000000..1080ff9
--- /dev/null
+++ b/xlib/xutil.c
@@ -0,0 +1,116 @@
+/* 
+ * xutil.c --
+ *
+ *	This function contains generic X emulation routines.
+ *
+ * Copyright (c) 1995-1996 Sun Microsystems, Inc.
+ *
+ * See the file "license.terms" for information on usage and redistribution
+ * of this file, and for a DISCLAIMER OF ALL WARRANTIES.
+ *
+ * SCCS: @(#) xutil.c 1.10 96/04/09 23:26:21
+ */
+
+#include <stdlib.h>
+#include <tk.h>
+
+#ifdef MAC_TCL
+#       include <Xutil.h>
+#       include <Xatom.h>
+#else
+#       include <X11/Xutil.h>
+#       include <X11/Xatom.h>
+#endif
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * XInternAtom --
+ *
+ *	This procedure simulates the XInternAtom function by calling
+ *	Tk_Uid to get a unique id for every atom.  This is only a
+ *	partial implementation, since it doesn't work across
+ *	applications.
+ *
+ * Results:
+ *	A new Atom.
+ *
+ * Side effects:
+ *	None.
+ *
+ *----------------------------------------------------------------------
+ */
+
+Atom
+XInternAtom(display, atom_name, only_if_exists)
+    Display* display;
+    _Xconst char* atom_name;
+    Bool only_if_exists;
+{
+    static Atom atom = XA_LAST_PREDEFINED;
+    
+    display->request++;
+    return ++atom;
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * XGetVisualInfo --
+ *
+ *	Returns information about the specified visual.
+ *
+ * Results:
+ *	Returns a newly allocated XVisualInfo structure.
+ *
+ * Side effects:
+ *	Allocates storage.
+ *
+ *----------------------------------------------------------------------
+ */
+
+XVisualInfo *
+XGetVisualInfo(display, vinfo_mask, vinfo_template, nitems_return)
+    Display* display;
+    long vinfo_mask;
+    XVisualInfo* vinfo_template;
+    int* nitems_return;
+{
+    XVisualInfo *info = (XVisualInfo *)ckalloc(sizeof(XVisualInfo));
+    info->visual = DefaultVisual(display, 0);
+    info->visualid = info->visual->visualid;
+    info->screen = 0;
+    info->depth = info->visual->bits_per_rgb;
+    info->class = info->visual->class;
+    info->colormap_size = info->visual->map_entries;
+    info->bits_per_rgb = info->visual->bits_per_rgb;
+    info->red_mask = info->visual->red_mask;
+    info->green_mask = info->visual->green_mask;
+    info->blue_mask = info->visual->blue_mask;
+    
+    if (((vinfo_mask & VisualIDMask)
+	    && (vinfo_template->visualid != info->visualid))
+	    || ((vinfo_mask & VisualScreenMask)
+		    && (vinfo_template->screen != info->screen))
+	    || ((vinfo_mask & VisualDepthMask)
+		    && (vinfo_template->depth != info->depth))
+	    || ((vinfo_mask & VisualClassMask)
+		    && (vinfo_template->class != info->class))
+	    || ((vinfo_mask & VisualColormapSizeMask)
+		    && (vinfo_template->colormap_size != info->colormap_size))
+	    || ((vinfo_mask & VisualBitsPerRGBMask)
+		    && (vinfo_template->bits_per_rgb != info->bits_per_rgb))
+	    || ((vinfo_mask & VisualRedMaskMask)
+		    && (vinfo_template->red_mask != info->red_mask))
+	    || ((vinfo_mask & VisualGreenMaskMask)
+		    && (vinfo_template->green_mask != info->green_mask))
+	    || ((vinfo_mask & VisualBlueMaskMask)
+		    && (vinfo_template->blue_mask != info->blue_mask))
+	) {
+	ckfree((char *) info);
+	return NULL;
+    }
+
+    *nitems_return = 1;
+    return info;
+}