mirror of
https://github.com/mozilla/gecko-dev.git
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212 lines
6.9 KiB
C++
212 lines
6.9 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is Mozilla Communicator client code.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Don Bragg <dbragg@netscape.com>
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either of the GNU General Public License Version 2 or later (the "GPL"),
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* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#include <stdio.h>
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#include <string.h>
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#include "nscore.h"
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//defines and includes for previous installation cleanup process
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#if defined (XP_WIN)
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#include <windows.h>
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#elif defined (XP_MAC)
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#include <Dialogs.h>
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#include <TextUtils.h>
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#elif defined (MOZ_WIDGET_GTK)
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#include <gtk/gtk.h>
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#elif defined (XP_OS2)
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#include <os2.h>
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#endif
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extern "C" void ShowOSAlert(const char* aMessage);
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#if defined (MOZ_WIDGET_GTK)
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static int sbAlertDone = 0;
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/**
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* ns_gtk_alert_OK_callback
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*
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* Private callback function for the OK button on the alert.
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*
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* @param aWidget the button widget
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* @param aData the alert dialog passed in for destruction
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*/
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void
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ns_gtk_alert_OK_callback(GtkWidget *aWidget, gpointer aData)
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{
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GtkWidget *alertDlg = (GtkWidget *) aData;
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if (!alertDlg)
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return;
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gtk_widget_destroy(alertDlg);
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sbAlertDone = 1;
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}
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/**
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* NS_gtk_alert
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*
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* Displays an alert with a message and an OK button in a modal
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* dialog that is centered on the screen. Assumes gtk_main has
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* been called or explicit event queue flushing is being performed.
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*
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* @param aMessage [required] the message to display in the alert
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* @param aTitle [optional] the alert dialog title;
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* passing NULL defaults the title to ""
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* @param aOKBtnText [optional] the text on the OK button;
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* parametrized for i18n purposes;
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* passing NULL defaults the button text to "OK"
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* @return int error code returns 0 for SUCCESS;
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* returns -1 for param error;
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* returns -2 for widget creation error
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*/
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int
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NS_gtk_alert(const char *aMessage, const char *aTitle, const char *aOKBtnText)
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{
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#ifdef DEBUG_dbragg
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printf ("\n*** Now inside NS_gtk_alert *** \n");
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#endif
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GtkWidget *alertDlg = NULL;
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GtkWidget *okBtn = NULL;
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GtkWidget *msgLabel = NULL;
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GtkWidget *packerLbl = NULL;
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GtkWidget *packerBtn = NULL;
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const char *okBtnText = aOKBtnText;
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const char *title = aTitle;
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if (!aMessage)
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return -1;
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if (!aOKBtnText)
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okBtnText = "OK";
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if (!aTitle)
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title = " ";
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#ifdef DEBUG_dbragg
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printf("title is: %s\n", title);
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#endif
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alertDlg = gtk_dialog_new();
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msgLabel = gtk_label_new(aMessage);
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if (msgLabel)
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gtk_label_set_line_wrap(GTK_LABEL(msgLabel), TRUE);
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okBtn = gtk_button_new_with_label(okBtnText);
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packerLbl = gtk_packer_new();
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packerBtn = gtk_packer_new();
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sbAlertDone = 0;
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if (alertDlg && msgLabel && okBtn && packerBtn && packerLbl)
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{
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// pack widgets in dialog
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gtk_packer_set_default_border_width(GTK_PACKER(packerLbl), 20);
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gtk_packer_add_defaults(GTK_PACKER(packerLbl), msgLabel,
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GTK_SIDE_BOTTOM, GTK_ANCHOR_CENTER, GTK_FILL_X);
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gtk_packer_set_default_border_width(GTK_PACKER(packerBtn), 0);
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gtk_packer_add_defaults(GTK_PACKER(packerBtn), okBtn,
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GTK_SIDE_BOTTOM, GTK_ANCHOR_CENTER, GTK_FILL_Y);
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gtk_container_add(GTK_CONTAINER(GTK_DIALOG(alertDlg)->vbox),
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packerLbl);
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gtk_container_add(GTK_CONTAINER(GTK_DIALOG(alertDlg)->action_area),
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packerBtn);
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gtk_window_set_modal(GTK_WINDOW(alertDlg), TRUE);
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gtk_window_set_title(GTK_WINDOW(alertDlg), title);
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gtk_window_set_position(GTK_WINDOW(alertDlg), GTK_WIN_POS_CENTER);
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// register callback for OK button
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gtk_signal_connect(GTK_OBJECT(okBtn), "clicked",
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GTK_SIGNAL_FUNC(ns_gtk_alert_OK_callback), alertDlg);
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GTK_WIDGET_SET_FLAGS(okBtn, GTK_CAN_DEFAULT);
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gtk_widget_grab_default(okBtn);
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// show dialog
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gtk_widget_show(msgLabel);
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gtk_widget_show(packerLbl);
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gtk_widget_show(okBtn);
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gtk_widget_show(packerBtn);
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gtk_widget_show(alertDlg);
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}
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else
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{
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return -2;
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}
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while (!sbAlertDone)
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{
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while (gtk_events_pending())
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gtk_main_iteration();
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}
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return 0;
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}
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#endif //MOZ_WIDGET_GTK
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// The maximum allowed length of aMessage is 255 characters!
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void ShowOSAlert(const char* aMessage)
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{
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#ifdef DEBUG_dbragg
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printf("\n****Inside ShowOSAlert ***\n");
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#endif
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const PRInt32 max_len = 255;
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char message_copy[max_len+1] = { 0 };
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PRInt32 input_len = strlen(aMessage);
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PRInt32 copy_len = (input_len > max_len) ? max_len : input_len;
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strncpy(message_copy, aMessage, copy_len);
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message_copy[copy_len] = 0;
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#if defined (XP_WIN)
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MessageBox(NULL, message_copy, NULL, MB_OK | MB_ICONERROR | MB_SETFOREGROUND );
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#elif (XP_MAC)
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short buttonClicked;
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StandardAlert(kAlertStopAlert, c2pstr(message_copy), nil, nil, &buttonClicked);
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#elif defined (MOZ_WIDGET_GTK)
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NS_gtk_alert(message_copy, NULL, "OK");
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#elif defined (XP_OS2)
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HAB hab = WinInitialize(0);
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HMQ hmq = WinCreateMsgQueue(hmq,0);
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WinMessageBox( HWND_DESKTOP, HWND_DESKTOP, message_copy, "", 0, MB_OK);
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WinDestroyMsgQueue(hmq);
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WinTerminate(hab);
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#endif
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// It can't hurt to display the message on the console in any case,
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// even if we have already tried to display it in a GUI window.
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fprintf(stdout, "%s\n", aMessage);
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}
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