Initial import of the CDE 2.1.30 sources from the Open Group.

cde/lib/DtSvc/DtUtil2/SunDtHelp.c

@@ -0,0 +1,148 @@
+/* $XConsortium: SunDtHelp.c /main/6 1996/08/22 10:39:25 rswiston $
+ *
+ * (c) Copyright 1996 Digital Equipment Corporation.
+ * (c) Copyright 1996 Hewlett-Packard Company.
+ * (c) Copyright 1996 International Business Machines Corp.
+ * (c) Copyright 1996 Sun Microsystems, Inc.
+ * (c) Copyright 1996 Novell, Inc. 
+ * (c) Copyright 1996 FUJITSU LIMITED.
+ * (c) Copyright 1996 Hitachi.
+ */
+
+/*
+ *+SNOTICE
+ *
+ *      RESTRICTED CONFIDENTIAL INFORMATION:
+ *
+ *      The information in this document is subject to special
+ *      restrictions in a confidential disclosure agreement bertween
+ *      HP, IBM, Sun, USL, SCO and Univel.  Do not distribute this
+ *      document outside HP, IBM, Sun, USL, SCO, or Univel wihtout
+ *      Sun's specific written approval.  This documment and all copies
+ *      and derivative works thereof must be returned or destroyed at
+ *      Sun's request.
+ *
+ *      Copyright 1993 Sun Microsystems, Inc.  All rights reserved.
+ *
+ *+ENOTICE
+ */
+
+#include <stdio.h>
+#include <dlfcn.h>
+#include "Help.h"
+#include "DtSvcLock.h"
+
+#pragma weak DtCreateHelpDialog = _DtCreateHelpDialog
+#pragma weak DtCreateHelpQuickDialog = _DtCreateHelpQuickDialog
+#pragma weak DtHelpQuickDialogGetChild = _DtHelpQuickDialogGetChild
+#pragma weak DtHelpReturnSelectedWidgetId = _DtHelpReturnSelectedWidgetId
+
+typedef Widget (*SUNWWidgetProc)();
+typedef int (*SUNWIntProc)();
+
+typedef struct _SUNWHelpProcList {
+    SUNWWidgetProc	DtCreateHelpDialogSym;
+    SUNWWidgetProc	DtCreateHelpQuickDialogSym;
+    SUNWWidgetProc	DtHelpQuickDialogGetChildSym;
+    SUNWIntProc		DtHelpReturnSelectedWidgetIdSym;
+} SUNWHelpProcList;
+
+static SUNWHelpProcList		*pmySUNWProcList = NULL;
+
+int SUNWDtHelpdlopen()
+{
+    void *libDtHelpHandle = NULL;
+
+    _DtSvcProcessLock();
+    pmySUNWProcList = (SUNWHelpProcList *)malloc(sizeof(SUNWHelpProcList));
+    libDtHelpHandle = dlopen("libDtHelp.so.1", RTLD_LAZY | RTLD_GLOBAL);
+    if (libDtHelpHandle == NULL) {
+	char *my_err_msg;
+
+	my_err_msg = dlerror();
+	printf("%s\n", my_err_msg);
+	_DtSvcProcessUnlock();
+	return(FALSE);
+    }
+    pmySUNWProcList->DtCreateHelpDialogSym = (SUNWWidgetProc)
+			 dlsym(libDtHelpHandle, "DtCreateHelpDialog");
+    pmySUNWProcList->DtCreateHelpQuickDialogSym = (SUNWWidgetProc)
+			 dlsym(libDtHelpHandle, "DtCreateHelpQuickDialog");
+    pmySUNWProcList->DtHelpQuickDialogGetChildSym = (SUNWWidgetProc)
+			 dlsym(libDtHelpHandle, "DtHelpQuickDialogGetChild");
+    pmySUNWProcList->DtHelpReturnSelectedWidgetIdSym = (SUNWIntProc)
+			 dlsym(libDtHelpHandle, "DtHelpReturnSelectedWidgetId");
+
+    _DtSvcProcessUnlock();
+    return(TRUE);
+}
+
+Widget _DtCreateHelpDialog(
+    Widget parent,
+    char *name,
+    ArgList al,
+    Cardinal ac)
+{
+    int status;
+
+    _DtSvcProcessLock();
+    status = pmySUNWProcList  || SUNWDtHelpdlopen();
+    _DtSvcProcessUnlock();
+
+    if (!status)
+        return(NULL);
+
+    return ((*pmySUNWProcList->DtCreateHelpDialogSym)(parent, name, al, ac));
+}
+
+Widget _DtCreateHelpQuickDialog(
+    Widget parent,
+    char *name,
+    ArgList al,
+    Cardinal ac)
+{
+    int status;
+
+    _DtSvcProcessLock();
+    status = pmySUNWProcList  || SUNWDtHelpdlopen();
+    _DtSvcProcessUnlock();
+
+    if (!status)
+        return(NULL);
+
+    return ((*pmySUNWProcList->DtCreateHelpQuickDialogSym)(parent, name, al, ac));
+}
+
+Widget _DtHelpQuickDialogGetChild(
+        Widget widget,
+        unsigned char child )
+{
+    int status;
+
+    _DtSvcProcessLock();
+    status = pmySUNWProcList  || SUNWDtHelpdlopen();
+    _DtSvcProcessUnlock();
+
+    if (!status)
+        return(NULL);
+
+    return ((*pmySUNWProcList->DtHelpQuickDialogGetChildSym)(widget, child));
+}
+
+int _DtHelpReturnSelectedWidgetId(
+    Widget parent,
+    Cursor cursor,
+    Widget  *widget)
+{
+    int status;
+
+    _DtSvcProcessLock();
+    status = pmySUNWProcList  || SUNWDtHelpdlopen();
+    _DtSvcProcessUnlock();
+
+    if (!status)
+        return(NULL);
+
+    return ((*pmySUNWProcList->DtHelpReturnSelectedWidgetIdSym)(parent, cursor,
+							    widget));
+}