1 | /*
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2 | Copyright (C) 1996
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3 |
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4 | This program is free software; you can redistribute it and/or modify
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5 | it under the terms of the GNU General Public License as published by
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6 | the Free Software Foundation; either version 2 of the License, or
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7 | (at your option) any later version.
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8 |
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9 | This program is distributed in the hope that it will be useful,
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10 | but WITHOUT ANY WARRANTY; without even the implied warranty of
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11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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12 | GNU General Public License for more details.
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13 |
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14 | You should have received a copy of the GNU General Public License
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15 | along with this program; if not, write to the Free Software
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16 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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17 |
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18 | The author can be contacted via Email at [email protected]
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19 | */
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20 | #include "text_t.h"
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21 | #include <windows.h>
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22 | #include <stdlib.h>
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23 | #include <stdio.h>
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24 | #include <string.h>
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25 | #include <memory.h>
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26 | #pragma hdrstop
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27 | #include "netio.h"
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28 | #include "settings.h"
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29 | #include "httpsrv.h"
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30 | #include "resource.h"
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31 | #include "locate.h"
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32 | #include "cgiwrapper.h"
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33 | #include "startbrowser.h"
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34 | #include "d_winsock.h"
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35 |
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36 | #define MAINWINDOWWIDTH 400
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37 | #define MAINWINDOWHEIGHT 200
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38 |
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39 | #define WASTEHEIGHT 44 // Error in ht due to caption and menu bar
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40 | #define WASTEWIDTH 6
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41 | #define SPACERWIDTH 5
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42 |
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43 | // size and position of the collection title
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44 | #define COLTITLEWIDTH 351
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45 | #define COLTITLEHEIGHT 35
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46 | #define COLTITLEX ((MAINWINDOWWIDTH-COLTITLEWIDTH)/2)
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47 | #define COLTITLEY 10
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48 |
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49 | // size and position of the version string
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50 | #define VERSIONWIDTH MAINWINDOWWIDTH
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51 | #define VERSIONHEIGHT 20
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52 | #define VERSIONX 0
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53 | #define VERSIONY (COLTITLEY+COLTITLEHEIGHT)
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54 |
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55 | // size and position of the Greenstone digital library logo
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56 | #define LOGOWIDTH 135
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57 | #define LOGOHEIGHT 55
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58 | #define LOGOX (MAINWINDOWWIDTH-(LOGOWIDTH+SPACERWIDTH))
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59 | #define LOGOY (MAINWINDOWHEIGHT-(LOGOHEIGHT+SPACERWIDTH))
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60 |
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61 | // size and position of the enter button
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62 | #define ENTERBUTTONWIDTH 160
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63 | #define ENTERBUTTONHEIGHT 30
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64 | #define ENTERBUTTONX SPACERWIDTH
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65 | #define ENTERBUTTONY ((MAINWINDOWHEIGHT-(LOGOHEIGHT+SPACERWIDTH))-(ENTERBUTTONHEIGHT+SPACERWIDTH))
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66 |
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67 | // size and position of the enter string
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68 | #define ENTERSTRINGX (ENTERBUTTONX+ENTERBUTTONWIDTH+SPACERWIDTH)
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69 | #define ENTERSTRINGY ENTERBUTTONY
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70 | #define ENTERSTRINGWIDTH (MAINWINDOWWIDTH-(ENTERBUTTONWIDTH+SPACERWIDTH+SPACERWIDTH+SPACERWIDTH))
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71 | #define ENTERSTRINGHEIGHT ENTERBUTTONHEIGHT
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72 |
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73 | // size and position of the info string
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74 | #define INFOWIDTH MAINWINDOWWIDTH
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75 | #define INFOHEIGHT (MAINWINDOWHEIGHT-INFOY)
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76 | #define INFOX 0
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77 | #define INFOY ENTERBUTTONY
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78 |
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79 | // size and position of restricted buttons
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80 | #define ALTERNATIVEBUTTONWIDTH 160
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81 | #define ALTERNATIVEBUTTONHEIGHT 30
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82 | #define ALTERNATIVEBUTTONX SPACERWIDTH
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83 | #define ALTERNATIVEBUTTONY LOGOY
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84 |
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85 | #define INFOBUTTONWIDTH 30
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86 |
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87 | // size and position of restart button
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88 | #define RESTARTBUTTONWIDTH 160
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89 | #define RESTARTBUTTONHEIGHT 30
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90 | #define RESTARTBUTTONX 50
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91 | #define RESTARTBUTTONY (MAINWINDOWHEIGHT-RESTARTBUTTONHEIGHT-15)
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92 |
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93 |
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94 | #define VERSIONSTRING "version x.xx"
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95 | const char versionstring[] = VERSIONSTRING;
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96 |
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97 | const char strnothing[] = "";
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98 | const char strinit[] = "Initialising...";
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99 | const char strsb[] = "Starting browser...";
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100 | const char strrestartlib[] = "Press the 'Restart Library' button to start a browser\n"
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101 | "and enter library";
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102 | const char strenterlib[] = "Press this button to begin using\n"
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103 | "the library";
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104 | const char *enterstring = NULL; // points to the current enter string
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105 | const char *infostring = NULL; // points to the current info string
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106 |
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107 |
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108 | // globals to do with networking and browsers
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109 | int have_networking = 0;
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110 | int netscapeneeded = 0;
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111 | char startbrowserdir[1024] = ""; // HARD LIMIT!!!!!
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112 |
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113 |
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114 | // stats to do with the last time the enter library button was pressed
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115 | // these stats are needed to make suggestions about the proxy
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116 | int enterlib_libaccessnum = -1; // -1 = NA
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117 | DWORD enterlib_time = 0;
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118 |
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119 |
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120 | enum { undefined_window, console_window, plain_window }
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121 | window_state;
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122 |
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123 | HDC coltitledc = NULL;
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124 | HBITMAP defcoltitlebitmap = NULL, coltitlebitmap=NULL;
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125 |
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126 | HDC logodc=NULL;
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127 | HBITMAP deflogobitmap=NULL, logobitmap=NULL;
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128 |
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129 | HWND GoButton = NULL;
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130 | HWND Enter = NULL;
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131 | HWND EnterRestricted = NULL;
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132 | HWND InfoRestricted = NULL;
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133 | int init_type = 0;
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134 | int init_done = 0;
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135 |
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136 | void finish_up() {
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137 | // remember the current preferences
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138 | write_settings();
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139 |
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140 | // Shutdown the HTTP server
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141 | EndHTTPServer();
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142 |
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143 | // Shutdown the main server modules
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144 | CleanUpNetIO();
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145 | // RemoveFnordFromTray();
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146 |
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147 | // Unload the wsock32 dll
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148 | d_UnloadWinsock();
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149 |
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150 | // Clean up graphics stuff from window
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151 |
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152 | if (defcoltitlebitmap != NULL)
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153 | SelectObject (coltitledc, defcoltitlebitmap);
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154 | if (coltitlebitmap != NULL)
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155 | DeleteObject (coltitlebitmap);
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156 | if (coltitledc != NULL)
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157 | DeleteDC (coltitledc);
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158 |
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159 | if (deflogobitmap != NULL)
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160 | SelectObject (logodc, deflogobitmap);
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161 | if (logobitmap != NULL)
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162 | DeleteObject (logobitmap);
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163 | if (logodc != NULL)
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164 | DeleteDC (logodc);
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165 |
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166 | // Shutdown the main window
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167 | PostQuitMessage(0);
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168 | }
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169 |
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170 |
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171 | int overlap(int left, int top, int right, int bottom,
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172 | RECT &r2)
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173 | {
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174 | if (left <= r2.right && r2.left <= right &&
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175 | top <= r2.bottom && r2.top <= bottom)
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176 | return 1;
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177 | else
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178 | return 0;
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179 | }
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180 |
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181 |
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182 | void paint_window (HDC pdc, RECT &updateRect) {
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183 | // make sure the various DCs are set up
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184 | if (coltitledc == NULL) {
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185 | coltitledc = CreateCompatibleDC(pdc);
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186 | defcoltitlebitmap = (HBITMAP)SelectObject (coltitledc, coltitlebitmap);
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187 | }
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188 |
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189 | if (logodc == NULL) {
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190 | logodc = CreateCompatibleDC(pdc);
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191 | deflogobitmap = (HBITMAP)SelectObject (logodc, logobitmap);
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192 | }
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193 |
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194 | // remove any remaining sign of initial buttons
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195 | if (init_done && (overlap (ENTERBUTTONX, ENTERBUTTONY, ENTERBUTTONX+ENTERBUTTONWIDTH,
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196 | ALTERNATIVEBUTTONY+ALTERNATIVEBUTTONHEIGHT, updateRect))) {
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197 | RECT initRect;
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198 | initRect.left = ENTERBUTTONX;
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199 | initRect.top = ENTERBUTTONY;
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200 | initRect.right = ENTERBUTTONX+ENTERBUTTONWIDTH;
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201 | initRect.bottom = ALTERNATIVEBUTTONY+ALTERNATIVEBUTTONHEIGHT;
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202 | FillRect(pdc, &initRect, (HBRUSH)GetStockObject(WHITE_BRUSH));
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203 | }
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204 |
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205 | // update the collection title if needed
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206 | if (overlap(COLTITLEX, COLTITLEY,
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207 | COLTITLEX+COLTITLEWIDTH, COLTITLEY+COLTITLEHEIGHT,
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208 | updateRect)) {
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209 | BitBlt (pdc, COLTITLEX, COLTITLEY,
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210 | COLTITLEX+COLTITLEWIDTH, COLTITLEY+COLTITLEHEIGHT,
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211 | coltitledc, 0, 0, SRCCOPY);
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212 | }
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213 |
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214 | // update the version string if needed
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215 | if (overlap (VERSIONX, VERSIONY,
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216 | VERSIONX+VERSIONWIDTH, VERSIONY+VERSIONHEIGHT,
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217 | updateRect)) {
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218 | RECT versionRect;
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219 | versionRect.left = VERSIONX;
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220 | versionRect.top = VERSIONY;
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221 | versionRect.right = VERSIONX+VERSIONWIDTH;
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222 | versionRect.bottom = VERSIONY+VERSIONHEIGHT;
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223 | DrawText(pdc, versionstring, -1, &versionRect, DT_CENTER);
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224 | }
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225 |
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226 | // decide what we want to draw
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227 | if (init_done && gsdl_show_console) {
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228 | // we want to draw a "console" window
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229 | if (window_state != console_window ||
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230 | overlap (text_rect.left, text_rect.top,
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231 | text_rect.right, text_rect.bottom,
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232 | updateRect)) {
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233 | refresh_console (pdc);
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234 | }
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235 |
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236 | window_state = console_window;
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237 |
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238 | } else {
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239 | // we want to draw a "plain" window
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240 |
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241 | // update the enter string if needed
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242 | if (overlap (ENTERSTRINGX, ENTERSTRINGY, ENTERSTRINGX+ENTERSTRINGWIDTH,
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243 | ENTERSTRINGY+ENTERSTRINGHEIGHT, updateRect)) {
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244 |
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245 | RECT enterstringRect;
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246 | enterstringRect.left = ENTERSTRINGX;
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247 | enterstringRect.top = ENTERSTRINGY;
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248 | enterstringRect.right = ENTERSTRINGX+ENTERSTRINGWIDTH;
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249 | enterstringRect.bottom = ENTERSTRINGY+ENTERSTRINGHEIGHT;
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250 | FillRect(pdc, &enterstringRect, (HBRUSH)GetStockObject(WHITE_BRUSH));
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251 |
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252 | if ((enterstring != NULL) && (strlen(enterstring) > 0)) {
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253 |
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254 | int cury = ENTERSTRINGY;
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255 | int startline = 0, here = 0;
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256 | while (enterstring[here] != '\0') {
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257 | if (enterstring[here] < ' ') {
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258 | if (here - startline > 0) {
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259 | // output the text
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260 | TextOut (pdc, ENTERSTRINGX, cury,
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261 | &enterstring[startline], here-startline);
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262 | cury += line_spacing;
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263 | }
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264 | startline = here+1;
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265 | }
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266 | here++;
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267 | }
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268 | // output any remaining text
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269 | if (here - startline > 0) {
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270 | TextOut (pdc, ENTERSTRINGX, cury, &enterstring[startline], here-startline);
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271 | }
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272 | }
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273 | }
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274 |
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275 | window_state = plain_window;
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276 | }
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277 |
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278 | // update the info string if needed
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279 | if (init_done && !gsdl_show_console &&
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280 | ((infostring != NULL) && overlap (INFOX, INFOY,
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281 | INFOX+INFOWIDTH, INFOY+INFOHEIGHT,
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282 | updateRect))) {
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283 | RECT infoRect;
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284 | infoRect.left = INFOX;
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285 | infoRect.top = INFOY;
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286 | infoRect.right = INFOX+INFOWIDTH;
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287 | infoRect.bottom = INFOY+INFOHEIGHT;
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288 | FillRect(pdc, &infoRect, (HBRUSH)GetStockObject(WHITE_BRUSH));
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289 | DrawText(pdc, infostring, -1, &infoRect, DT_CENTER);
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290 | }
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291 |
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292 | // update the logo (always)
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293 | BitBlt (pdc, LOGOX, LOGOY, LOGOX+LOGOWIDTH, LOGOY+LOGOHEIGHT,
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294 | logodc, 0, 0, SRCCOPY);
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295 | }
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296 |
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297 |
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298 | void handle_painting (HWND Window) {
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299 | HDC pdc; PAINTSTRUCT ps;
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300 | pdc = BeginPaint(Window, &ps);
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301 |
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302 | paint_window (pdc, ps.rcPaint);
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303 |
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304 | EndPaint(Window, &ps);
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305 | }
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306 |
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307 |
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308 | // returns 1 on success, 0 otherwise
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309 | int enter_library (HWND Window) {
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310 | int res;
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311 |
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312 | // get the url and attempt to start a browser
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313 | char *localname = GetLocalName(NULL);
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314 | if (have_networking) {
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315 | text_t url = "http://" + text_t(localname);
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316 | if (gsdl_port_num != 80)
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317 | url += ":" + text_t(gsdl_port_num);
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318 |
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319 | url += gsdl_enterlib;
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320 |
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321 | // add a unique ending so it will always result in a request
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322 | text_t::const_iterator it =
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323 | findchar (gsdl_enterlib.begin(), gsdl_enterlib.end(), '?');
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324 | if (it == gsdl_enterlib.end()) url.push_back ('?');
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325 | else url.push_back ('&');
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326 | int tcount = GetTickCount();
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327 | url += "uq=" + text_t(tcount);
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328 |
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329 | // remember the library access number for later proxy checking
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330 | enterlib_libaccessnum = libaccessnum;
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331 |
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332 | // do a quick check to make sure we're using netscape when
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333 | // we should be (it might have been just installed)
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334 | if (netscapeneeded) gsdl_check_browser_settings (netscapeneeded);
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335 |
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336 | char *cstr_url = url.getcstr();
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337 | if (strlen (startbrowserdir) <= 0) {
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338 | res = startbrowser (cstr_url, gsdl_browser_exe, NULL);
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339 |
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340 | } else res = startbrowser (cstr_url, gsdl_browser_exe, startbrowserdir);
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341 |
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342 | delete cstr_url;
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343 |
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344 | }
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345 |
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346 | if (res == SB_NOERROR) {
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347 | // success !!
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348 |
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349 | // remember the time the browser was started for later proxy checking
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350 | if (have_networking) enterlib_time = GetTickCount();
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351 |
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352 | return 1;
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353 | }
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354 |
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355 | // no browser was started
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356 | enterlib_libaccessnum = -1;
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357 |
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358 | if ((res == SB_FAIL_BADFORMAT) || (res == SB_FAIL_NOTFOUND)) {
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359 | if (!netscapeneeded) { // any browser
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360 | MessageBox(Window,
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361 | "Failed to start your chosen browser. It seems that your\n"
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362 | "chosen browser has been removed or corrupted.\n"
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363 | "Please check you browser choice by going to the\n"
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364 | "'Settings...' item under the 'File' menu.",
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365 | "Greenstone Digital Library Software", MB_OK);
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366 | } else { // netscape used
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367 | MessageBox(Window,
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368 | "Failed to start Netscape. It seems that Netscape has\n"
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369 | "been removed or corrupted. You need Netscape\n"
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370 | "installed to use the Greenstone Digital Library\n"
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371 | "software on non-networked machines.\n\n"
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372 | "You can install Netscape by choosing\n"
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373 | "'Install Netscape 4.05' from the 'File' menu.",
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374 | "Greenstone Digital Library Software", MB_OK);
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375 | }
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376 |
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377 | } else {
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378 | MessageBox(Window,
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379 | "Failed to start your browser. This may have been\n"
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380 | "because there was not enough memory available. Shut\n"
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381 | "down all other applications you have running, and\n"
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382 | "try again.",
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383 | "Greenstone Digital Library Software", MB_OK);
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384 | }
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385 |
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386 | return 0; // failed
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387 | }
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388 |
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389 |
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390 | void install_netscape (HWND Window) {
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391 | char installpath[256];
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392 |
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393 | // try to find the browser directory
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394 | char *gsdlhome = gsdl_gsdlhome.getcstr();
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395 | strcpy (installpath, gsdlhome); // use gsdlhome to find the CD-ROM drive...
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396 | delete gsdlhome;
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397 |
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398 | // remove any slashes from the pathname
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399 | int len = strlen (installpath);
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400 | while ((len > 0) && ((installpath[len-1] == '\\') || (installpath[len-1] == '/'))) {
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401 | len--;
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402 | }
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403 | // remove '\gsdl'
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404 | len = len - 5;
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405 | installpath[len] = '\0';
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406 |
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407 | strcat (installpath, "\\netscape\\");
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408 |
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409 | // check this directory
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410 | if (!cstrcheckdir(installpath)) {
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411 | return;
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412 | }
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413 |
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414 | // get the operating system information
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415 | OSVERSIONINFO osver;
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416 | memset(&osver, 0, sizeof(OSVERSIONINFO));
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417 | osver.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
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418 | GetVersionEx(&osver);
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419 |
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420 | // get the install program for this operating system
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421 | if (osver.dwPlatformId == VER_PLATFORM_WIN32s) {
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422 | strcat (installpath, "n16e405.exe");
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423 | } else {
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424 | strcat (installpath, "n32e405.exe");
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425 | }
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426 |
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427 | // run the install program
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428 | int res = WinExec (installpath, SW_SHOW);
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429 | if (res == 0) {
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430 | // out of resources or memory
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431 | MessageBox (Window,
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432 | "Did not have enough resources or memory to run the\n"
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433 | "install program. Try shutting down all other programs\n"
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434 | "and trying again.",
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435 | "Greenstone Digital Library Software",
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436 | MB_OK|MB_APPLMODAL);
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437 |
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438 | } else if (res == ERROR_BAD_FORMAT) {
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439 | // executable image is corrupt -- ????
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440 | MessageBox (Window,
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441 | "The install program seems to be corrupt.",
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442 | "Greenstone Digital Library Software",
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443 | MB_OK|MB_APPLMODAL);
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444 |
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445 | } else if ((res == ERROR_FILE_NOT_FOUND) || (res == ERROR_PATH_NOT_FOUND)) {
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446 | // couldn't find the executable -- ????
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447 | MessageBox (Window,
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448 | "Could not find the install program. Try installing\n"
|
---|
449 | "Netscape from the Greenstone Digital Library\n"
|
---|
450 | "software's install program.",
|
---|
451 | "Greenstone Digital Library Software",
|
---|
452 | MB_OK|MB_APPLMODAL);
|
---|
453 | }
|
---|
454 | }
|
---|
455 |
|
---|
456 | void open_help () {
|
---|
457 | char topdir[256], cmd[256];
|
---|
458 |
|
---|
459 | // try to find the browser directory
|
---|
460 | char *gsdlhome = gsdl_gsdlhome.getcstr();
|
---|
461 | strcpy (topdir, gsdlhome); // use gsdlhome to find the CD-ROM drive...
|
---|
462 | delete gsdlhome;
|
---|
463 | strcpy (cmd, "notepad ");
|
---|
464 |
|
---|
465 | // remove any slashes from the pathname
|
---|
466 | int len = strlen (topdir);
|
---|
467 | while ((len > 0) && ((topdir[len-1] == '\\') || (topdir[len-1] == '/'))) {
|
---|
468 | len--;
|
---|
469 | }
|
---|
470 | // remove the '\gsdl'
|
---|
471 | len = len - 5;
|
---|
472 | topdir[len] = '\0';
|
---|
473 |
|
---|
474 | strcat (topdir, "\\README.txt");
|
---|
475 | strcat (cmd, topdir);
|
---|
476 |
|
---|
477 | WinExec (cmd, SW_SHOW);
|
---|
478 | }
|
---|
479 |
|
---|
480 |
|
---|
481 | long __stdcall WndProc(HWND Window, UINT Message, WPARAM WParam, LPARAM LParam) {
|
---|
482 | switch(Message) {
|
---|
483 | // Constant Messages
|
---|
484 | case WM_CREATE:
|
---|
485 | break;
|
---|
486 |
|
---|
487 | case WM_COMMAND:
|
---|
488 | if ((GoButton != NULL) && ((HWND)LParam == GoButton)) {
|
---|
489 | // attempt to start a browser
|
---|
490 | if (enter_library (Window) && !gsdl_show_console)
|
---|
491 | ShowWindow(Window,SW_MINIMIZE);
|
---|
492 |
|
---|
493 | } else if ((Enter != NULL) && ((HWND)LParam == Enter)) {
|
---|
494 | init_done = 1;
|
---|
495 | init_type = 1;
|
---|
496 |
|
---|
497 | } else if ((EnterRestricted != NULL) && ((HWND)LParam == EnterRestricted)) {
|
---|
498 | init_done = 1;
|
---|
499 | init_type = 0;
|
---|
500 |
|
---|
501 | } else if ((InfoRestricted != NULL) && ((HWND)LParam == InfoRestricted)) {
|
---|
502 | MessageBox (NULL, "The Greenstone system automatically determines whether your computer has\n"
|
---|
503 | "network software installed or is connected to a network. It operates correctly\n"
|
---|
504 | "under any of these conditions.\n\n"
|
---|
505 | "The restricted version is intended for use when the standard one\n\n"
|
---|
506 | " (a) causes an unwanted telephone dialup operation;\n"
|
---|
507 | " (b) fails to run because network software is installed, but installed\n"
|
---|
508 | " incorrectly.\n\n"
|
---|
509 | "The restricted version only works with Netscape (not Internet Explorer).\n\n"
|
---|
510 | "Unless these problems arise, you should always use the standard version\n"
|
---|
511 | "(press the 'Enter Library' button).\n",
|
---|
512 | "Greenstone Digital Library Software",
|
---|
513 | MB_OK | MB_ICONINFORMATION | MB_APPLMODAL);
|
---|
514 |
|
---|
515 | } else {
|
---|
516 | switch (LOWORD(WParam)) {
|
---|
517 | case ID_PROJECT_SETTINGS:
|
---|
518 | Settings_Dialog(Window, netscapeneeded);
|
---|
519 | break;
|
---|
520 | case ID_INSTALL_NETSCAPE:
|
---|
521 | install_netscape(Window);
|
---|
522 | break;
|
---|
523 | case IDHELP:
|
---|
524 | open_help();
|
---|
525 | break;
|
---|
526 | case ID_PROJECT_EXIT:
|
---|
527 | finish_up();
|
---|
528 | break;
|
---|
529 | default:
|
---|
530 | break;
|
---|
531 | }
|
---|
532 | }
|
---|
533 | break;
|
---|
534 |
|
---|
535 | case WM_PAINT:
|
---|
536 | handle_painting(Window);
|
---|
537 | break;
|
---|
538 |
|
---|
539 | case HTTP_SERVER_MSG:
|
---|
540 | ProcessHTTPServerMsg(WParam, LParam);
|
---|
541 | break;
|
---|
542 |
|
---|
543 | case WM_DESTROY:
|
---|
544 | finish_up();
|
---|
545 | break;
|
---|
546 |
|
---|
547 | default:
|
---|
548 | //Unhandled Messages end up here (DefWindowProc)
|
---|
549 | return DefWindowProc(Window, Message, WParam, LParam);
|
---|
550 | }
|
---|
551 |
|
---|
552 | return(0);
|
---|
553 | }
|
---|
554 |
|
---|
555 | // returns 0 if successful,
|
---|
556 | // otherwise a WSA error number
|
---|
557 | int tryinitnetwork (HANDLE Instance, HWND MsgWindow, char *path) {
|
---|
558 | // try to load winsock
|
---|
559 | int err = d_LoadWinsock (path);
|
---|
560 |
|
---|
561 | if (err == D_NOERROR) {
|
---|
562 | // next, try to init netio
|
---|
563 | err = InitNetIO();
|
---|
564 |
|
---|
565 | if (err == 0) {
|
---|
566 | // next, try to start the http server
|
---|
567 | err = StartHTTPServer(MsgWindow);
|
---|
568 |
|
---|
569 | if (err == 0) {
|
---|
570 | // finally, get the host name (no error value
|
---|
571 | // is returned from this function)
|
---|
572 | GetLocalName((HINSTANCE)Instance);
|
---|
573 |
|
---|
574 | } else {
|
---|
575 | // couldn't start the http server,
|
---|
576 | // deinit netio and unload winsock
|
---|
577 | CleanUpNetIO();
|
---|
578 | d_UnloadWinsock();
|
---|
579 | }
|
---|
580 |
|
---|
581 | } else {
|
---|
582 | // couldn't init netio, unload winsock
|
---|
583 | d_UnloadWinsock();
|
---|
584 | }
|
---|
585 |
|
---|
586 | } else {
|
---|
587 | // couldn't load winsock
|
---|
588 | err = WSASYSNOTREADY;
|
---|
589 | }
|
---|
590 |
|
---|
591 | return err;
|
---|
592 | }
|
---|
593 |
|
---|
594 |
|
---|
595 | // inits all the network functionality
|
---|
596 | // returns 0 if an unrecoverable error occurred,
|
---|
597 | // and 1 if everything successfully initialised.
|
---|
598 | int initnetwork (HANDLE Instance, HWND MsgWindow) {
|
---|
599 | OSVERSIONINFO osver;
|
---|
600 |
|
---|
601 | // get the operating system information
|
---|
602 | memset(&osver, 0, sizeof(OSVERSIONINFO));
|
---|
603 | osver.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
|
---|
604 | GetVersionEx(&osver);
|
---|
605 |
|
---|
606 | // first try to initialise the network with system installed
|
---|
607 | // networking software
|
---|
608 | startbrowserdir[0] = '\0';
|
---|
609 | netscapeneeded = 0;
|
---|
610 | int err = 1;
|
---|
611 | if (init_type == 1) err = tryinitnetwork (Instance, MsgWindow, NULL);
|
---|
612 |
|
---|
613 | // if an error occurred, try again with billsock
|
---|
614 | if (err != 0) {
|
---|
615 | // get the path of billsock (current directory + ("net16" | "net32"))
|
---|
616 | char winsockpath[1024]; // HARD LIMIT!!!!
|
---|
617 |
|
---|
618 | find_location();
|
---|
619 | strcpy (winsockpath, data_location);
|
---|
620 |
|
---|
621 | // remove all the slashes at the end of billpath
|
---|
622 | int len = strlen (winsockpath);
|
---|
623 | while ((len > 0) && ((winsockpath[len-1] == '\\') || (winsockpath[len-1] == '/'))) {
|
---|
624 | len--;
|
---|
625 | }
|
---|
626 | winsockpath[len] = '\0';
|
---|
627 |
|
---|
628 | if (osver.dwPlatformId == VER_PLATFORM_WIN32s)
|
---|
629 | strcat (winsockpath, "\\net16\\");
|
---|
630 | else {
|
---|
631 | strcat (winsockpath, "\\net32\\");
|
---|
632 | strcpy (startbrowserdir, winsockpath);
|
---|
633 | }
|
---|
634 |
|
---|
635 | // try again
|
---|
636 | err = tryinitnetwork (Instance, MsgWindow, winsockpath);
|
---|
637 |
|
---|
638 | if (err == 0) {
|
---|
639 | // we will need to use netscape on 95/98/NT machines
|
---|
640 | if (osver.dwPlatformId != VER_PLATFORM_WIN32s) {
|
---|
641 | netscapeneeded = 1;
|
---|
642 | // make sure the browser state is in step with the network condition
|
---|
643 | gsdl_check_browser_settings (netscapeneeded);
|
---|
644 | }
|
---|
645 |
|
---|
646 | // check to see if a browser is running
|
---|
647 | if (browserrunning(gsdl_browser_exe) == NO_ERROR) {
|
---|
648 | MessageBox (NULL,
|
---|
649 | "The Greenstone Digital Library software has detected a\n"
|
---|
650 | "running browser. To let our networking software\n"
|
---|
651 | "correctly initialize, please shut down your browser\n"
|
---|
652 | "and restart the Greenstone Digital Library software.",
|
---|
653 | "Greenstone Digital Library Software", MB_OK|MB_APPLMODAL);
|
---|
654 | PostMessage(MsgWindow,WM_CLOSE,0,0);
|
---|
655 | finish_up(); // will unload winsock
|
---|
656 | exit(0); // nothing more to do
|
---|
657 | }
|
---|
658 | }
|
---|
659 | }
|
---|
660 |
|
---|
661 | // if an error occurred display a nice error message
|
---|
662 | if (err != 0) {
|
---|
663 |
|
---|
664 | // WSASYSNOTREADY Couldn't load winsock
|
---|
665 | // WSAVERNOTSUPPORTED The version of Windows Sockets support requested
|
---|
666 | // is not provided by this particular Windows Sockets implementation.
|
---|
667 | // WSAEINVAL The Windows Sockets version specified by the application
|
---|
668 | // is not supported by this DLL.
|
---|
669 | // WSAEPROTONOSUPPORT The specified protocol is not supported.
|
---|
670 | // WSAEPROTOTYPE The specified protocol is the wrong type for this socket.
|
---|
671 | // WSAESOCKTNOSUPPORT The specified socket type is not supported in
|
---|
672 | // this address family.
|
---|
673 | // WSANOTINITIALISED A successful WSAStartup must occur before
|
---|
674 | // using this function.
|
---|
675 | // WSAENETDOWN The Windows Sockets implementation
|
---|
676 | // has detected that the network subsystem has failed.
|
---|
677 | // WSAEADDRINUSE The specified address
|
---|
678 | // is already in use. (See the SO_REUSEADDR socket option under setsockopt.)
|
---|
679 | // WSAEFAULT The namelen argument is too small (less
|
---|
680 | // than the size of a struct sockaddr).
|
---|
681 | // WSAEINPROGRESS A blocking Windows Sockets call is in progress.
|
---|
682 | // WSAEAFNOSUPPORT The specified address family is not supported
|
---|
683 | // by this protocol.
|
---|
684 | // WSAENOBUFS Not enough buffers available, too many connections.
|
---|
685 | // WSAENOTSOCK The descriptor is not a socket.
|
---|
686 | // WSAEISCONN The socket is already connected.
|
---|
687 | // WSAEMFILE No more file descriptors are available.
|
---|
688 | // WSAEOPNOTSUPP The referenced socket is not of a type that
|
---|
689 | // supports the listen operation.
|
---|
690 |
|
---|
691 | // get a text version of the error number
|
---|
692 | char errstr[256];
|
---|
693 |
|
---|
694 | switch (err) {
|
---|
695 | case WSASYSNOTREADY: strcpy(errstr, "WSASYSNOTREADY");
|
---|
696 | break;
|
---|
697 | case WSAVERNOTSUPPORTED: strcpy (errstr, "WSAVERNOTSUPPORTED");
|
---|
698 | break;
|
---|
699 | case WSAEINVAL: strcpy (errstr, "WSAEINVAL");
|
---|
700 | break;
|
---|
701 | case WSAEPROTONOSUPPORT: strcpy (errstr, "WSAEPROTONOSUPPORT");
|
---|
702 | break;
|
---|
703 | case WSAEPROTOTYPE: strcpy (errstr, "WSAEPROTOTYPE");
|
---|
704 | break;
|
---|
705 | case WSAESOCKTNOSUPPORT: strcpy (errstr, "WSAESOCKTNOSUPPORT");
|
---|
706 | break;
|
---|
707 | case WSANOTINITIALISED: strcpy (errstr, "WSANOTINITIALISED");
|
---|
708 | break;
|
---|
709 | case WSAEFAULT: strcpy (errstr, "WSAEFAULT");
|
---|
710 | break;
|
---|
711 | case WSAEAFNOSUPPORT: strcpy (errstr, "WSAEAFNOSUPPORT");
|
---|
712 | break;
|
---|
713 | case WSAENOTSOCK: strcpy (errstr, "WSAENOTSOCK");
|
---|
714 | break;
|
---|
715 | case WSAEISCONN: strcpy (errstr, "WSAEISCONN");
|
---|
716 | break;
|
---|
717 | case WSAEOPNOTSUPP: strcpy (errstr, "WSAEOPNOTSUPP");
|
---|
718 | break;
|
---|
719 | case WSAENETDOWN: strcpy (errstr, "WSAENETDOWN");
|
---|
720 | break;
|
---|
721 | case WSAEADDRINUSE: strcpy (errstr, "WSAEADDRINUSE");
|
---|
722 | break;
|
---|
723 | case WSAEINPROGRESS: strcpy (errstr, "WSAEINPROGRESS");
|
---|
724 | break;
|
---|
725 | case WSAENOBUFS: strcpy (errstr, "WSAENOBUFS");
|
---|
726 | break;
|
---|
727 | case WSAEMFILE: strcpy (errstr, "WSAEMFILE");
|
---|
728 | break;
|
---|
729 | default: sprintf (errstr, "WSA ERROR: %i", err);
|
---|
730 | break;
|
---|
731 | }
|
---|
732 |
|
---|
733 | // create a nice error message
|
---|
734 | char message[2048];
|
---|
735 |
|
---|
736 | switch (err) {
|
---|
737 | case WSAEADDRINUSE:
|
---|
738 | // couldn't bind socket
|
---|
739 | sprintf (message, "Could not find a free socket.", errstr);
|
---|
740 | break;
|
---|
741 |
|
---|
742 | default:
|
---|
743 | // cannot init winsock
|
---|
744 | sprintf (message, "Could not initialize the network\n"
|
---|
745 | " (Reason: %s).", errstr);
|
---|
746 | break;
|
---|
747 | }
|
---|
748 |
|
---|
749 | strcat (message, "\n\n"
|
---|
750 | "Please submit a bug report using the support.htm file\n"
|
---|
751 | "on the CD-ROM.");
|
---|
752 |
|
---|
753 | MessageBox (NULL, message, "Greenstone Digital Library Software", MB_OK);
|
---|
754 | }
|
---|
755 |
|
---|
756 | return (err == 0);
|
---|
757 | }
|
---|
758 |
|
---|
759 |
|
---|
760 | void log_computer_info () {
|
---|
761 | char tmpstr[1024];
|
---|
762 |
|
---|
763 | // get various information about this computer
|
---|
764 | if (gsdl_keep_log || gsdl_show_console) {
|
---|
765 | // get operating system information
|
---|
766 | OSVERSIONINFO osver;
|
---|
767 | osver.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
|
---|
768 |
|
---|
769 | if (GetVersionEx(&osver)) {
|
---|
770 | if (osver.dwPlatformId == VER_PLATFORM_WIN32s) {
|
---|
771 | log_message ("Platform: win32s\n");
|
---|
772 | } else if (osver.dwPlatformId == VER_PLATFORM_WIN32_WINDOWS) {
|
---|
773 | log_message ("Platform: windows 95\n");
|
---|
774 | } else if (osver.dwPlatformId == VER_PLATFORM_WIN32_NT) {
|
---|
775 | log_message ("Platform: windows NT\n");
|
---|
776 | }
|
---|
777 |
|
---|
778 | sprintf (tmpstr, "MajorVersion: %i\n", (int)osver.dwMajorVersion);
|
---|
779 | log_message(tmpstr);
|
---|
780 | sprintf (tmpstr, "MinorVersion: %i\n", (int)osver.dwMinorVersion);
|
---|
781 | log_message(tmpstr);
|
---|
782 | sprintf (tmpstr, "BuildNumber: %i\n", (int)osver.dwBuildNumber);
|
---|
783 | log_message(tmpstr);
|
---|
784 | sprintf (tmpstr, "CSDVersion: %s\n\n", osver.szCSDVersion);
|
---|
785 | log_message(tmpstr);
|
---|
786 | }
|
---|
787 |
|
---|
788 | // get memory information
|
---|
789 | MEMORYSTATUS memstatus;
|
---|
790 | memstatus.dwLength = sizeof(MEMORYSTATUS);
|
---|
791 | GlobalMemoryStatus(&memstatus);
|
---|
792 |
|
---|
793 | sprintf (tmpstr, "TotalPhys: %i Meg\n", (int)(memstatus.dwTotalPhys/1024/1024));
|
---|
794 | log_message (tmpstr);
|
---|
795 | sprintf (tmpstr, "AvailPhys: %i Meg\n", (int)(memstatus.dwAvailPhys/1024/1024));
|
---|
796 | log_message (tmpstr);
|
---|
797 | sprintf (tmpstr, "TotalPageFile: %i Meg\n", (int)(memstatus.dwTotalPageFile/1024/1024));
|
---|
798 | log_message (tmpstr);
|
---|
799 | sprintf (tmpstr, "AvailPageFile: %i Meg\n", (int)(memstatus.dwAvailPageFile/1024/1024));
|
---|
800 | log_message (tmpstr);
|
---|
801 | sprintf (tmpstr, "TotalVirtual: %i Meg\n", (int)(memstatus.dwTotalVirtual/1024/1024));
|
---|
802 | log_message (tmpstr);
|
---|
803 | sprintf (tmpstr, "AvailVirtual: %i Meg\n\n", (int)(memstatus.dwAvailVirtual/1024/1024));
|
---|
804 | log_message (tmpstr);
|
---|
805 |
|
---|
806 | // log the version number
|
---|
807 | log_message("GSDL version: " VERSIONSTRING "\n");
|
---|
808 | }
|
---|
809 |
|
---|
810 | }
|
---|
811 |
|
---|
812 |
|
---|
813 | int __stdcall WinMain(HINSTANCE Instance, HINSTANCE /*PrevInstance*/, LPSTR CmdLineStr, int /*CmdShow*/) {
|
---|
814 | HWND MainWindow; MSG Message; WNDCLASS MainClass;
|
---|
815 |
|
---|
816 | //Create a window class
|
---|
817 | MainClass.style = CS_HREDRAW | CS_VREDRAW;
|
---|
818 | MainClass.lpfnWndProc = WndProc;
|
---|
819 | MainClass.cbClsExtra = 0;
|
---|
820 | MainClass.cbWndExtra = 0;
|
---|
821 | MainClass.hInstance = Instance;
|
---|
822 | MainClass.hIcon = LoadIcon(Instance, MAKEINTRESOURCE(TRAY_ICON));
|
---|
823 | MainClass.hCursor = LoadCursor(NULL, IDC_ARROW);
|
---|
824 | MainClass.hbrBackground = (HBRUSH)GetStockObject(WHITE_BRUSH);
|
---|
825 | MainClass.lpszMenuName = MAKEINTRESOURCE(Main_Menu);
|
---|
826 | MainClass.lpszClassName = "Greenstone Digital Library Software";
|
---|
827 | if (!RegisterClass(&MainClass))
|
---|
828 | return 0;
|
---|
829 |
|
---|
830 |
|
---|
831 | // Load various bitmaps
|
---|
832 | coltitlebitmap = LoadBitmap (Instance, MAKEINTRESOURCE(GSDL_COL_TITLE));
|
---|
833 | logobitmap= LoadBitmap (Instance, MAKEINTRESOURCE(GSDL_LOGO));
|
---|
834 |
|
---|
835 | // Create the main window
|
---|
836 | MainWindow = CreateWindow("Greenstone Digital Library Software",
|
---|
837 | "Greenstone Digital Library Software",
|
---|
838 | WS_OVERLAPPED | WS_CAPTION | WS_SYSMENU |
|
---|
839 | WS_MINIMIZEBOX,
|
---|
840 | CW_USEDEFAULT, CW_USEDEFAULT,
|
---|
841 | MAINWINDOWWIDTH + WASTEWIDTH,
|
---|
842 | MAINWINDOWHEIGHT + WASTEHEIGHT,
|
---|
843 | NULL, NULL, Instance, NULL);
|
---|
844 |
|
---|
845 | text_rect.left = 0;
|
---|
846 | text_rect.top = VERSIONY+VERSIONHEIGHT + 5;
|
---|
847 | text_rect.right = MAINWINDOWWIDTH;
|
---|
848 | text_rect.bottom = LOGOY-SPACERWIDTH;
|
---|
849 |
|
---|
850 | window_state = undefined_window;
|
---|
851 |
|
---|
852 | ShowWindow(MainWindow, SW_SHOW);
|
---|
853 | set_location(CmdLineStr);
|
---|
854 |
|
---|
855 | // get ready to draw the main window
|
---|
856 | RECT windowRect;
|
---|
857 | GetClientRect (MainWindow, &windowRect);
|
---|
858 | HDC pdc = GetDC (MainWindow);
|
---|
859 |
|
---|
860 | // retrieve and save the text metrics
|
---|
861 | TEXTMETRIC tm;
|
---|
862 | GetTextMetrics(pdc, &tm);
|
---|
863 | line_spacing = tm.tmHeight + tm.tmExternalLeading;
|
---|
864 | GSDL_Window = MainWindow;
|
---|
865 |
|
---|
866 | // init various modules
|
---|
867 | read_settings (0); // don't know if netscape is needed at this point
|
---|
868 |
|
---|
869 | if (!gsdl_auto_enter) {
|
---|
870 |
|
---|
871 | // add the select version checkbox
|
---|
872 | Enter = CreateWindow("BUTTON", // predefined class
|
---|
873 | "Enter Library", // button text
|
---|
874 | WS_VISIBLE | WS_CHILD | WS_TABSTOP | BS_DEFPUSHBUTTON, // styles
|
---|
875 | ENTERBUTTONX, // starting x position
|
---|
876 | ENTERBUTTONY, // starting y position
|
---|
877 | ENTERBUTTONWIDTH, // button width
|
---|
878 | ENTERBUTTONHEIGHT, // button height
|
---|
879 | MainWindow, // parent window
|
---|
880 | NULL, // No menu
|
---|
881 | Instance,
|
---|
882 | NULL); // pointer not needed
|
---|
883 |
|
---|
884 | EnterRestricted = CreateWindow("Button", // predefined class
|
---|
885 | "Restricted Version", // button text
|
---|
886 | WS_VISIBLE | WS_CHILD | WS_TABSTOP | BS_PUSHBUTTON, // styles
|
---|
887 | ALTERNATIVEBUTTONX, // starting x position
|
---|
888 | ALTERNATIVEBUTTONY, // starting y position
|
---|
889 | ALTERNATIVEBUTTONWIDTH-(INFOBUTTONWIDTH+SPACERWIDTH), // button width
|
---|
890 | ALTERNATIVEBUTTONHEIGHT, // button height
|
---|
891 | MainWindow, // parent window
|
---|
892 | (HMENU)NULL, // No menu
|
---|
893 | Instance,
|
---|
894 | NULL); // pointer not needed
|
---|
895 |
|
---|
896 | InfoRestricted = CreateWindow("Button", // predefined class
|
---|
897 | NULL,
|
---|
898 | WS_VISIBLE | WS_CHILD | WS_TABSTOP | BS_BITMAP, // styles
|
---|
899 | ALTERNATIVEBUTTONWIDTH-INFOBUTTONWIDTH+SPACERWIDTH, // starting x position
|
---|
900 | ALTERNATIVEBUTTONY, // starting y position
|
---|
901 | INFOBUTTONWIDTH, // button width
|
---|
902 | ALTERNATIVEBUTTONHEIGHT, // button height
|
---|
903 | MainWindow, // parent window
|
---|
904 | (HMENU)NULL, // No menu
|
---|
905 | Instance,
|
---|
906 | NULL); // pointer not needed
|
---|
907 |
|
---|
908 | HANDLE i_icon = LoadImage (Instance, MAKEINTRESOURCE(GSDL_ICBMP), IMAGE_BITMAP,
|
---|
909 | INFOBUTTONWIDTH-4, ALTERNATIVEBUTTONHEIGHT-4, LR_DEFAULTCOLOR);
|
---|
910 | SendMessage (InfoRestricted, BM_SETIMAGE, IMAGE_BITMAP, (LPARAM)i_icon);
|
---|
911 |
|
---|
912 | SetFocus (Enter);
|
---|
913 |
|
---|
914 | enterstring = strenterlib;
|
---|
915 | paint_window (pdc, windowRect);
|
---|
916 |
|
---|
917 | // message loop for init buttons
|
---|
918 | while (!init_done) {
|
---|
919 | if (PeekMessage(&Message, NULL, 0, 0, PM_REMOVE)) {
|
---|
920 | if (Message.message == WM_QUIT) return Message.wParam;
|
---|
921 | if (!IsDialogMessage (MainWindow, &Message)) {
|
---|
922 | TranslateMessage(&Message); /* translate keyboard messages */
|
---|
923 | DispatchMessage(&Message); /* return control to Windows NT */
|
---|
924 | }
|
---|
925 | } else {
|
---|
926 | Sleep (1);
|
---|
927 | }
|
---|
928 | }
|
---|
929 |
|
---|
930 | // don't want these buttons anymore
|
---|
931 | DestroyWindow (Enter);
|
---|
932 | DestroyWindow (EnterRestricted);
|
---|
933 | DestroyWindow (InfoRestricted);
|
---|
934 |
|
---|
935 | enterstring = strnothing;
|
---|
936 | paint_window (pdc, windowRect);
|
---|
937 |
|
---|
938 | } else {
|
---|
939 | // auto enter is enabled - start up standard version
|
---|
940 | init_type = 1;
|
---|
941 | init_done = 1;
|
---|
942 | }
|
---|
943 |
|
---|
944 | // draw the main window containing an init message
|
---|
945 | infostring = strinit;
|
---|
946 | paint_window (pdc, windowRect);
|
---|
947 | DWORD lastcheck = GetTickCount();
|
---|
948 |
|
---|
949 | have_networking = initnetwork (Instance, MainWindow);
|
---|
950 | if (!have_networking) {
|
---|
951 | MessageBox(NULL,
|
---|
952 | "Failed to initialize networking.",
|
---|
953 | "Greenstone Digital Library Software",MB_OK|MB_SYSTEMMODAL);
|
---|
954 | exit (0);
|
---|
955 | }
|
---|
956 |
|
---|
957 | if (!gsdl_init()) // quit if can't initialise the library correctly
|
---|
958 | exit (0);
|
---|
959 | initstartbrowser();
|
---|
960 | log_computer_info ();
|
---|
961 |
|
---|
962 | // show the initialising message for at least 1 second
|
---|
963 | while (DiffTickCounts (lastcheck, GetTickCount()) < 1000) {
|
---|
964 | Sleep (1);
|
---|
965 | }
|
---|
966 |
|
---|
967 | // attempt to start a browser
|
---|
968 | if (gsdl_show_console) infostring = strnothing;
|
---|
969 | else infostring = strsb;
|
---|
970 | paint_window (pdc, windowRect);
|
---|
971 | lastcheck = GetTickCount();
|
---|
972 | if (enter_library (MainWindow) && !gsdl_show_console) {
|
---|
973 | // stay maximised for at least 1 second
|
---|
974 | while (DiffTickCounts (lastcheck, GetTickCount()) < 1000) Sleep (1);
|
---|
975 | ShowWindow(MainWindow,SW_MINIMIZE);
|
---|
976 | }
|
---|
977 |
|
---|
978 | // add the "restart library" button
|
---|
979 | GoButton = CreateWindow("BUTTON", // predefined class
|
---|
980 | "Restart Library", // button text
|
---|
981 | WS_VISIBLE | WS_CHILD | BS_DEFPUSHBUTTON, // styles
|
---|
982 | RESTARTBUTTONX, // starting x position
|
---|
983 | RESTARTBUTTONY, // starting y position
|
---|
984 | RESTARTBUTTONWIDTH, // button width
|
---|
985 | RESTARTBUTTONHEIGHT, // button height
|
---|
986 | MainWindow, // parent window
|
---|
987 | NULL, // No menu
|
---|
988 | Instance,
|
---|
989 | NULL); // pointer not needed
|
---|
990 |
|
---|
991 | infostring = strrestartlib;
|
---|
992 | paint_window (pdc, windowRect);
|
---|
993 |
|
---|
994 | // release the DC used to display the init messages
|
---|
995 | ReleaseDC (MainWindow, pdc);
|
---|
996 |
|
---|
997 | //Message loop
|
---|
998 | lastcheck = GetTickCount();
|
---|
999 | int seenbrowser = 0; // if we see a browser then it disappears
|
---|
1000 | // we will ask if they want to close the
|
---|
1001 | // the library down
|
---|
1002 | char last_gsdl_browser_exe[MAX_FILENAME_SIZE]; // need to notice when the
|
---|
1003 | // browser setting changes
|
---|
1004 | strcpy (last_gsdl_browser_exe, gsdl_browser_exe);
|
---|
1005 |
|
---|
1006 | for (;;) {
|
---|
1007 | if (PeekMessage(&Message, NULL, 0, 0, PM_REMOVE)) {
|
---|
1008 | if (Message.message == WM_QUIT) break;
|
---|
1009 | if (!IsDialogMessage (MainWindow, &Message)) {
|
---|
1010 | TranslateMessage(&Message); /* translate keyboard messages */
|
---|
1011 | DispatchMessage(&Message); /* return control to Windows NT */
|
---|
1012 | }
|
---|
1013 |
|
---|
1014 | } else {
|
---|
1015 | if (DiffTickCounts (lastcheck, GetTickCount()) > 500) {
|
---|
1016 | // make sure the browser hasn't changed
|
---|
1017 | if (strcmp (last_gsdl_browser_exe, gsdl_browser_exe) != 0) {
|
---|
1018 | seenbrowser = 0;
|
---|
1019 | strcpy (last_gsdl_browser_exe, gsdl_browser_exe);
|
---|
1020 | }
|
---|
1021 |
|
---|
1022 | // do check
|
---|
1023 | lastcheck = GetTickCount();
|
---|
1024 | if (browserrunning(gsdl_browser_exe) == NO_ERROR) {
|
---|
1025 | // we were able to connect to a browser
|
---|
1026 | seenbrowser = 1;
|
---|
1027 |
|
---|
1028 | // see if the enter library button has been pressed
|
---|
1029 | // with nothing happening for 20 seconds
|
---|
1030 | if ((enterlib_libaccessnum >= 0) &&
|
---|
1031 | (enterlib_libaccessnum == libaccessnum) &&
|
---|
1032 | (DiffTickCounts (enterlib_time, GetTickCount()) > 20000)) {
|
---|
1033 | // something could be wrong!! (most likely cause is a proxy)
|
---|
1034 | MessageBox(NULL,
|
---|
1035 | "Your browser does not seem to be responding to the 'Enter Library'\n"
|
---|
1036 | "request. Try turning off all proxy servers in your browser settings.",
|
---|
1037 | "Greenstone Digital Library Software",MB_OK|MB_SYSTEMMODAL);
|
---|
1038 | enterlib_libaccessnum = -1;
|
---|
1039 | }
|
---|
1040 |
|
---|
1041 |
|
---|
1042 | } else {
|
---|
1043 | // no browser was found
|
---|
1044 |
|
---|
1045 | if (seenbrowser) {
|
---|
1046 | // we have seen a browser in the past
|
---|
1047 | if (MessageBox(NULL,
|
---|
1048 | "The Greenstone Digital Library software has noticed that you\n"
|
---|
1049 | "shut down your browser. Would you also like to shut down the\n"
|
---|
1050 | "Greenstone Digital Library software?",
|
---|
1051 | "Greenstone Digital Library Software",MB_YESNO|MB_SYSTEMMODAL) == IDYES)
|
---|
1052 | PostMessage(MainWindow,WM_CLOSE,0,0);
|
---|
1053 | }
|
---|
1054 | seenbrowser = 0;
|
---|
1055 | }
|
---|
1056 | }
|
---|
1057 |
|
---|
1058 | Sleep (1); // millisecond
|
---|
1059 | }
|
---|
1060 | }
|
---|
1061 |
|
---|
1062 | return Message.wParam;
|
---|
1063 | }
|
---|