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/*
* 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 1.6 97/11/07 21:24:29
*/
#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[8 + TCL_INTEGER_SPACE * 2];
char buffer2[TCL_INTEGER_SPACE];
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;
}
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