157 lines
3.8 KiB
C
157 lines
3.8 KiB
C
/*
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* tkWinInit.c --
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*
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* This file contains Windows-specific interpreter initialization
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* functions.
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*
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* Copyright (c) 1995-1997 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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#include "tkWinInt.h"
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/*
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*----------------------------------------------------------------------
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*
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* TkpInit --
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*
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* Performs Windows-specific interpreter initialization related to the
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* tk_library variable.
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*
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* Results:
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* A standard Tcl completion code (TCL_OK or TCL_ERROR). Also leaves
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* information in the interp's result.
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*
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* Side effects:
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* Sets "tk_library" Tcl variable, runs "tk.tcl" script.
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*
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*----------------------------------------------------------------------
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*/
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int
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TkpInit(
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Tcl_Interp *interp)
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{
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/*
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* This is necessary for static initialization, and is ok otherwise
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* because TkWinXInit flips a static bit to do its work just once.
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*/
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TkWinXInit(Tk_GetHINSTANCE());
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return TCL_OK;
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}
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/*
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*----------------------------------------------------------------------
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*
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* TkpGetAppName --
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*
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* Retrieves the name of the current application from a platform specific
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* location. For Windows, the application name is the root of the tail of
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* the path contained in the tcl variable argv0.
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*
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* Results:
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* Returns the application name in the given Tcl_DString.
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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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TkpGetAppName(
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Tcl_Interp *interp,
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Tcl_DString *namePtr) /* A previously initialized Tcl_DString. */
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{
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int argc, namelength;
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CONST char **argv = NULL, *name, *p;
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name = Tcl_GetVar(interp, "argv0", TCL_GLOBAL_ONLY);
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namelength = -1;
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if (name != NULL) {
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Tcl_SplitPath(name, &argc, &argv);
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if (argc > 0) {
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name = argv[argc-1];
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p = strrchr(name, '.');
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if (p != NULL) {
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namelength = p - name;
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}
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} else {
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name = NULL;
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}
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}
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if ((name == NULL) || (*name == 0)) {
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name = "tk";
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namelength = -1;
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}
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Tcl_DStringAppend(namePtr, name, namelength);
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if (argv != NULL) {
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ckfree((char *)argv);
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}
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}
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/*
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*----------------------------------------------------------------------
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*
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* TkpDisplayWarning --
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*
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* This routines is called from Tk_Main to display warning messages that
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* occur during startup.
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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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* Displays a message box.
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*
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*----------------------------------------------------------------------
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*/
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void
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TkpDisplayWarning(
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CONST char *msg, /* Message to be displayed. */
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CONST char *title) /* Title of warning. */
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{
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#define TK_MAX_WARN_LEN 1024
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WCHAR msgString[TK_MAX_WARN_LEN + 5];
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WCHAR titleString[TK_MAX_WARN_LEN + 1];
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/* If running on Cygwin and we have a stderr channel, use it. */
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#if !defined(STATIC_BUILD)
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if (tclStubsPtr->reserved9) {
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Tcl_Channel errChannel = Tcl_GetStdChannel(TCL_STDERR);
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if (errChannel) {
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Tcl_WriteChars(errChannel, title, -1);
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Tcl_WriteChars(errChannel, ": ", 2);
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Tcl_WriteChars(errChannel, msg, -1);
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Tcl_WriteChars(errChannel, "\n", 1);
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return;
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}
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}
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#endif /* !STATIC_BUILD */
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MultiByteToWideChar(CP_UTF8, 0, msg, -1, msgString, TK_MAX_WARN_LEN);
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MultiByteToWideChar(CP_UTF8, 0, title, -1, titleString, TK_MAX_WARN_LEN);
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/*
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* Truncate MessageBox string if it is too long to not overflow the screen
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* and cause possible oversized window error.
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*/
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memcpy(msgString + TK_MAX_WARN_LEN, L" ...", 5 * sizeof(WCHAR));
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titleString[TK_MAX_WARN_LEN] = L'\0';
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MessageBoxW(NULL, msgString, titleString,
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MB_OK | MB_ICONEXCLAMATION | MB_SYSTEMMODAL
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| MB_SETFOREGROUND | MB_TOPMOST);
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}
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/*
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* Local Variables:
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* mode: c
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* c-basic-offset: 4
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* fill-column: 78
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* End:
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*/
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