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/*
* tkWinInit.c --
*
* This file contains Windows-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.
*
* RCS: @(#) $Id: tkWinInit.c,v 1.11 2003/02/18 19:18:33 hobbs Exp $
*/
#include "tkWinInt.h"
/*
* The Init script (common to Windows and Unix platforms) is
* defined in tkInitScript.h
*/
#include "tkInitScript.h"
/*
*----------------------------------------------------------------------
*
* TkpInit --
*
* Performs Windows-specific interpreter initialization related to the
* tk_library variable.
*
* Results:
* A standard Tcl completion code (TCL_OK or TCL_ERROR). Also
* leaves information in the interp's result.
*
* Side effects:
* Sets "tk_library" Tcl variable, runs "tk.tcl" script.
*
*----------------------------------------------------------------------
*/
int
TkpInit(interp)
Tcl_Interp *interp;
{
/*
* This is necessary for static initialization, and is ok otherwise
* because TkWinXInit flips a static bit to do its work just once.
*/
TkWinXInit(Tk_GetHINSTANCE());
return Tcl_Eval(interp, initScript);
}
/*
*----------------------------------------------------------------------
*
* TkpGetAppName --
*
* Retrieves the name of the current application from a platform
* specific location. For Windows, the application name is the
* root of 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(interp, namePtr)
Tcl_Interp *interp;
Tcl_DString *namePtr; /* A previously initialized Tcl_DString. */
{
int argc, namelength;
CONST char **argv = NULL, *name, *p;
name = Tcl_GetVar(interp, "argv0", TCL_GLOBAL_ONLY);
namelength = -1;
if (name != NULL) {
Tcl_SplitPath(name, &argc, &argv);
if (argc > 0) {
name = argv[argc-1];
p = strrchr(name, '.');
if (p != NULL) {
namelength = p - name;
}
} else {
name = NULL;
}
}
if ((name == NULL) || (*name == 0)) {
name = "tk";
namelength = -1;
}
Tcl_DStringAppend(namePtr, name, namelength);
if (argv != NULL) {
ckfree((char *)argv);
}
}
/*
*----------------------------------------------------------------------
*
* TkpDisplayWarning --
*
* This routines is called from Tk_Main to display warning
* messages that occur during startup.
*
* Results:
* None.
*
* Side effects:
* Displays a message box.
*
*----------------------------------------------------------------------
*/
void
TkpDisplayWarning(msg, title)
CONST char *msg; /* Message to be displayed. */
CONST char *title; /* Title of warning. */
{
Tcl_DString msgString, titleString;
Tcl_Encoding unicodeEncoding = TkWinGetUnicodeEncoding();
/*
* Truncate MessageBox string if it is too long to not overflow
* the screen and cause possible oversized window error.
*/
#define TK_MAX_WARN_LEN (1024 * sizeof(WCHAR))
Tcl_UtfToExternalDString(unicodeEncoding, msg, -1, &msgString);
Tcl_UtfToExternalDString(unicodeEncoding, title, -1, &titleString);
if (Tcl_DStringLength(&msgString) > TK_MAX_WARN_LEN) {
Tcl_DStringSetLength(&msgString, TK_MAX_WARN_LEN);
Tcl_DStringAppend(&msgString, (char *) L" ...", 4 * sizeof(WCHAR));
}
MessageBoxW(NULL, (WCHAR *) Tcl_DStringValue(&msgString),
(WCHAR *) Tcl_DStringValue(&titleString),
MB_OK | MB_ICONEXCLAMATION | MB_SYSTEMMODAL
| MB_SETFOREGROUND | MB_TOPMOST);
Tcl_DStringFree(&msgString);
Tcl_DStringFree(&titleString);
}
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