1 files changed, 79 insertions, 0 deletions
diff --git a/unix/tkUnix.c b/unix/tkUnix.c
new file mode 100644
index 0000000..ca6fa07
--- /dev/null
+++ b/unix/tkUnix.c
@@ -0,0 +1,79 @@
+/* 
+ * tkUnix.c --
+ *
+ *	This file contains procedures that are UNIX/X-specific, and
+ *	will probably have to be written differently for Windows or
+ *	Macintosh platforms.
+ *
+ * Copyright (c) 1995 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: @(#) tkUnix.c 1.5 97/01/07 11:41:39
+ */
+
+#include <tkInt.h>
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * TkGetServerInfo --
+ *
+ *	Given a window, this procedure returns information about
+ *	the window server for that window.  This procedure provides
+ *	the guts of the "winfo server" command.
+ *
+ * Results:
+ *	None.
+ *
+ * Side effects:
+ *	None.
+ *
+ *----------------------------------------------------------------------
+ */
+
+void
+TkGetServerInfo(interp, tkwin)
+    Tcl_Interp *interp;		/* The server information is returned in
+				 * this interpreter's result. */
+    Tk_Window tkwin;		/* Token for window;  this selects a
+				 * particular display and server. */
+{
+    char buffer[50], buffer2[50];
+
+    sprintf(buffer, "X%dR%d ", ProtocolVersion(Tk_Display(tkwin)),
+	    ProtocolRevision(Tk_Display(tkwin)));
+    sprintf(buffer2, " %d", VendorRelease(Tk_Display(tkwin)));
+    Tcl_AppendResult(interp, buffer, ServerVendor(Tk_Display(tkwin)),
+	    buffer2, (char *) NULL);
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * TkGetDefaultScreenName --
+ *
+ *	Returns the name of the screen that Tk should use during
+ *	initialization.
+ *
+ * Results:
+ *	Returns the argument or a string that should not be freed by
+ *	the caller.
+ *
+ * Side effects:
+ *	None.
+ *
+ *----------------------------------------------------------------------
+ */
+
+char *
+TkGetDefaultScreenName(interp, screenName)
+    Tcl_Interp *interp;		/* Interp used to find environment variables. */
+    char *screenName;		/* Screen name from command line, or NULL. */
+{
+    if ((screenName == NULL) || (screenName[0] == '\0')) {
+	screenName = Tcl_GetVar2(interp, "env", "DISPLAY", TCL_GLOBAL_ONLY);
+    }
+    return screenName;
+}