85 lines
2.1 KiB
C
85 lines
2.1 KiB
C
/*
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* tkUnix.c --
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*
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* This file contains procedures that are UNIX/X-specific, and
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* will probably have to be written differently for Windows or
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* Macintosh platforms.
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*
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* Copyright (c) 1995 Sun Microsystems, Inc.
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*
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* See the file "license.terms" for information on usage and redistribution
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* of this file, and for a DISCLAIMER OF ALL WARRANTIES.
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*
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* SCCS: @(#) tkUnix.c 1.5 97/01/07 11:41:39
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*/
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#include <tkInt.h>
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/*
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*----------------------------------------------------------------------
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*
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* TkGetServerInfo --
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*
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* Given a window, this procedure returns information about
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* the window server for that window. This procedure provides
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* the guts of the "winfo server" command.
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*
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* Results:
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* None.
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*
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* Side effects:
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* None.
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*
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*----------------------------------------------------------------------
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*/
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void
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TkGetServerInfo(interp, tkwin)
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Tcl_Interp *interp; /* The server information is returned in
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* this interpreter's result. */
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Tk_Window tkwin; /* Token for window; this selects a
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* particular display and server. */
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{
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char buffer[50], buffer2[50];
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sprintf(buffer, "X%dR%d ", ProtocolVersion(Tk_Display(tkwin)),
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ProtocolRevision(Tk_Display(tkwin)));
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sprintf(buffer2, " %d", VendorRelease(Tk_Display(tkwin)));
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Tcl_AppendResult(interp, buffer, ServerVendor(Tk_Display(tkwin)),
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buffer2, (char *) NULL);
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}
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/*
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*----------------------------------------------------------------------
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*
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* TkGetDefaultScreenName --
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*
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* Returns the name of the screen that Tk should use during
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* initialization.
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*
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* Results:
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* Returns the argument or a string that should not be freed by
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* the caller.
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*
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* Side effects:
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* None.
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*
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*----------------------------------------------------------------------
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*/
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char *
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TkGetDefaultScreenName(interp, screenName)
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Tcl_Interp *interp; /* Interp used to find environment variables. */
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char *screenName; /* Screen name from command line, or NULL. */
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{
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if ((screenName == NULL) || (screenName[0] == '\0')) {
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#ifdef SCM_CODE
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screenName = getenv("DISPLAY");
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#else
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screenName = Tcl_GetVar2(interp, "env", "DISPLAY", TCL_GLOBAL_ONLY);
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#endif
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}
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return screenName;
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}
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