--- /dev/null
+/*\r
+ * help.h\r
+ *\r
+ * Copyright 2009 Free Software Foundation, Inc.\r
+ * ------------------------------------------------------------------------\r
+ *\r
+ * GNU XBoard is free software: you can redistribute it and/or modify\r
+ * it under the terms of the GNU General Public License as published by\r
+ * the Free Software Foundation, either version 3 of the License, or (at\r
+ * your option) any later version.\r
+ *\r
+ * GNU XBoard is distributed in the hope that it will be useful, but\r
+ * WITHOUT ANY WARRANTY; without even the implied warranty of\r
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU\r
+ * General Public License for more details.\r
+ *\r
+ * You should have received a copy of the GNU General Public License\r
+ * along with this program. If not, see http://www.gnu.org/licenses/. *\r
+ *\r
+ *------------------------------------------------------------------------\r
+ ** See the file ChangeLog for a revision history. */\r
+\r
+/* Windows html help function to avoid having to link with the htmlhlp.lib */\r
+\r
+#include <windows.h>\r
+#include <stdio.h>\r
+\r
+FILE *debugFP;\r
+\r
+HWND WINAPI\r
+HtmlHelp( HWND hwnd, LPCSTR helpFile, UINT action, DWORD_PTR data )\r
+{\r
+ PROCESS_INFORMATION helpProcInfo;\r
+ STARTUPINFO siStartInfo;\r
+ char buf[100];\r
+ static int status = 0;\r
+ FILE *f;\r
+\r
+ if(status < 0) return NULL;\r
+\r
+ if(!status) {\r
+ f = fopen(helpFile, "r");\r
+ if(f == NULL) {\r
+ status = -1;\r
+ return NULL;\r
+ }\r
+ status = 1;\r
+ fclose(f);\r
+ }\r
+\r
+ siStartInfo.cb = sizeof(STARTUPINFO);\r
+ siStartInfo.lpReserved = NULL;\r
+ siStartInfo.lpDesktop = NULL;\r
+ siStartInfo.lpTitle = NULL;\r
+ siStartInfo.dwFlags = STARTF_USESTDHANDLES;\r
+ siStartInfo.cbReserved2 = 0;\r
+ siStartInfo.lpReserved2 = NULL;\r
+ siStartInfo.hStdInput = NULL;\r
+ siStartInfo.hStdOutput = NULL;\r
+ siStartInfo.hStdError = debugFP;\r
+\r
+ sprintf(buf, "Hh.exe %s", helpFile);\r
+\r
+ // ignore the other parameters; just start the viewer with the help file\r
+ return CreateProcess(NULL,\r
+ buf, /* command line */\r
+ NULL, /* process security attributes */\r
+ NULL, /* primary thread security attrs */\r
+ FALSE, /* handles are inherited */\r
+ DETACHED_PROCESS|CREATE_NEW_PROCESS_GROUP,\r
+ NULL, /* use parent's environment */\r
+ NULL,\r
+ &siStartInfo, /* STARTUPINFO pointer */\r
+ &helpProcInfo); /* receives PROCESS_INFORMATION */\r
+}\r
+\r
+//HWND WINAPI\r
+int\r
+MyHelp(HWND hwnd, LPSTR helpFile, UINT action, DWORD_PTR data)\r
+{\r
+ static int status = 0;\r
+ FILE *f;\r
+\r
+ if(status < 0) return NULL;\r
+\r
+ if(!status) {\r
+ f = fopen(helpFile, "r");\r
+ if(f == NULL) {\r
+ status = -1;\r
+ return NULL;\r
+ }\r
+ status = 1;\r
+ fclose(f);\r
+ }\r
+ return WinHelp(hwnd, helpFile, action, data);\r
+}\r