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/*
* tkUnixInit.c --
*
* This file contains Unix-specific interpreter initialization functions.
*
* Copyright (c) 1995-1997 Sun Microsystems, Inc.
*
* See the file "license.terms" for information on usage and redistribution of
* this file, and for a DISCLAIMER OF ALL WARRANTIES.
*/
#include "tkUnixInt.h"
#ifdef HAVE_COREFOUNDATION
static int GetLibraryPath(Tcl_Interp *interp);
#else
#define GetLibraryPath(dummy) (void)dummy
#endif /* HAVE_COREFOUNDATION */
/*
*----------------------------------------------------------------------
*
* TkpInit --
*
* Performs Unix-specific interpreter initialization related to the
* tk_library variable.
*
* Results:
* Returns a standard Tcl result. Leaves an error message or result in
* the interp's result.
*
* Side effects:
* Sets "tk_library" Tcl variable, runs "tk.tcl" script.
*
*----------------------------------------------------------------------
*/
int
TkpInit(
Tcl_Interp *interp)
{
TkCreateXEventSource();
GetLibraryPath(interp);
return TCL_OK;
}
/*
*----------------------------------------------------------------------
*
* TkpGetAppName --
*
* Retrieves the name of the current application from a platform specific
* location. For Unix, the application name is the tail of the path
* contained in the tcl variable argv0.
*
* Results:
* Returns the application name in the given Tcl_DString.
*
* Side effects:
* None.
*
*----------------------------------------------------------------------
*/
void
TkpGetAppName(
Tcl_Interp *interp,
Tcl_DString *namePtr) /* A previously initialized Tcl_DString. */
{
const char *p, *name;
name = Tcl_GetVar2(interp, "argv0", NULL, TCL_GLOBAL_ONLY);
if ((name == NULL) || (*name == 0)) {
name = "tk";
} else {
p = strrchr(name, '/');
if (p != NULL) {
name = p+1;
}
}
Tcl_DStringAppend(namePtr, name, -1);
}
/*
*----------------------------------------------------------------------
*
* TkpDisplayWarning --
*
* This routines is called from Tk_Main to display warning messages that
* occur during startup.
*
* Results:
* None.
*
* Side effects:
* Generates messages on stdout.
*
*----------------------------------------------------------------------
*/
void
TkpDisplayWarning(
const char *msg, /* Message to be displayed. */
const char *title) /* Title of warning. */
{
Tcl_Channel errChannel = Tcl_GetStdChannel(TCL_STDERR);
if (errChannel) {
Tcl_WriteChars(errChannel, title, -1);
Tcl_WriteChars(errChannel, ": ", 2);
Tcl_WriteChars(errChannel, msg, -1);
Tcl_WriteChars(errChannel, "\n", 1);
}
}
#ifdef HAVE_COREFOUNDATION
/*
*----------------------------------------------------------------------
*
* GetLibraryPath --
*
* If we have a bundle structure for the Tk installation, then check
* there first to see if we can find the libraries there.
*
* Results:
* TCL_OK if we have found the tk library; TCL_ERROR otherwise.
*
* Side effects:
* Same as for Tcl_MacOSXOpenVersionedBundleResources.
*
*----------------------------------------------------------------------
*/
#ifdef TK_FRAMEWORK
static int
GetLibraryPath(
Tcl_Interp *interp)
{
int foundInFramework = TCL_ERROR;
char tkLibPath[PATH_MAX + 1];
foundInFramework = Tcl_MacOSXOpenVersionedBundleResources(interp,
"com.tcltk.tklibrary", TK_FRAMEWORK_VERSION, 0, PATH_MAX,
tkLibPath);
if (tkLibPath[0] != '\0') {
Tcl_SetVar2(interp, "tk_library", NULL, tkLibPath, TCL_GLOBAL_ONLY);
}
return foundInFramework;
}
#else
static int
GetLibraryPath(
TCL_UNUSED(Tcl_Interp *))
{
return TCL_ERROR;
}
#endif
#endif /* HAVE_COREFOUNDATION */
/*
* Local Variables:
* mode: c
* c-basic-offset: 4
* fill-column: 78
* End:
*/
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