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lightning-sunbird  0.9+nobinonly
loadstatus.cpp
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00001 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
00002 /* ***** BEGIN LICENSE BLOCK *****
00003  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
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00005  * The contents of this file are subject to the Mozilla Public License Version
00006  * 1.1 (the "License"); you may not use this file except in compliance with
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00009  *
00010  * Software distributed under the License is distributed on an "AS IS" basis,
00011  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
00012  * for the specific language governing rights and limitations under the
00013  * License.
00014  *
00015  * The Original Code is mozilla.org code.
00016  *
00017  * The Initial Developer of the Original Code is
00018  * Netscape Communications Corporation.
00019  * Portions created by the Initial Developer are Copyright (C) 1998
00020  * the Initial Developer. All Rights Reserved.
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00022  * Contributor(s):
00023  *
00024  * Alternatively, the contents of this file may be used under the terms of
00025  * either the GNU General Public License Version 2 or later (the "GPL"), or
00026  * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
00027  * in which case the provisions of the GPL or the LGPL are applicable instead
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00036  * ***** END LICENSE BLOCK ***** */
00037 
00038 #define INCL_WIN
00039 #define INCL_GPI
00040 #include <os2.h>
00041 #include <string.h>
00042 
00043 extern HMODULE hInst;
00044 static char szClassName[] = "LoadStatusWindowClass";
00045 
00046 HWND ShowLoadStatus(char * aMessage)
00047 {
00048   if (!aMessage)
00049     return NULL;
00050 
00051   if (!WinRegisterClass((HAB)0, szClassName, (PFNWP)WinDefWindowProc, 0, sizeof(ULONG))) {
00052     return NULL;
00053   }
00054   
00055   HWND hWnd = WinCreateWindow(HWND_DESKTOP, szClassName, "", WS_VISIBLE | WS_DISABLED, 
00056                               0, 0, 0, 0, HWND_DESKTOP, HWND_TOP, 255, (PVOID)NULL, NULL);
00057   if (!hWnd) {
00058     ERRORID error = WinGetLastError(0);
00059     return NULL;
00060   }
00061   
00062   HPS hPS = WinGetPS(hWnd);
00063   if (!hPS) {
00064     WinDestroyWindow(hWnd);
00065     return NULL;
00066   }
00067 
00068   POINTL ptls;
00069   GpiQueryTextBox(hPS, strlen(aMessage), aMessage, 1, &ptls);
00070   WinSetWindowPos(hWnd, HWND_TOP, 0, 0, ptls.x + 4, ptls.y + 2, SWP_SHOW );
00071   POINTL ptlStart;
00072   ptlStart.x = 2; ptlStart.y = 1;
00073   GpiCharStringAt(hPS, &ptlStart, strlen(aMessage), aMessage);
00074   WinReleasePS(hPS);
00075 
00076   return hWnd;
00077 }
00078 
00079 void DestroyLoadStatus(HWND ahWnd)
00080 {
00081   if (ahWnd)
00082     WinDestroyWindow(ahWnd);
00083 
00084 }