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