1 files changed, 78 insertions, 0 deletions

diff --git a/src/FbTk/XrmDatabaseHelper.hh b/src/FbTk/XrmDatabaseHelper.hh
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+++ b/src/FbTk/XrmDatabaseHelper.hh
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+// XrmDatabaseHelper.hh
+// Copyright (c) 2002 Henrik Kinnunen (fluxgen@linuxmail.org)
+//
+// Permission is hereby granted, free of charge, to any person obtaining a
+// copy of this software and associated documentation files (the "Software"),
+// to deal in the Software without restriction, including without limitation
+// the rights to use, copy, modify, merge, publish, distribute, sublicense,
+// and/or sell copies of the Software, and to permit persons to whom the
+// Software is furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+// DEALINGS IN THE SOFTWARE.
+
+// $Id: XrmDatabaseHelper.hh,v 1.1 2003/05/18 22:06:59 fluxgen Exp $
+
+// This is a helper for XrmDatabase
+// when database goes out of scope
+// the XrmDatabase variable will be destroyed.
+
+#ifndef XRMDATABASEHELPER_HH
+#define XRMDATABASEHELPER_HH
+
+#include <X11/Xlib.h>
+#include <X11/Xresource.h>
+
+/**
+        Helper class for XrmDatabase.
+*/
+class XrmDatabaseHelper
+{
+public:
+    XrmDatabaseHelper(char const * filename=0)
+        : m_database(0)
+    { if (filename != 0) load(filename); }
+        
+    ~XrmDatabaseHelper() {
+        close();
+    }
+
+    /// assignment operator
+    XrmDatabaseHelper& operator=(const XrmDatabase& database) {
+        if (m_database!=0)
+            XrmDestroyDatabase(m_database);
+        m_database = database; 
+        return *this;
+    }
+    bool load(const char *filename) {
+        if (filename == 0)
+            return false;
+        XrmDatabase db = XrmGetFileDatabase(filename);
+        if (db == 0)
+            return false;
+        close(); // close old database 
+        m_database = db; // set new and return true
+        return true;
+    }
+    void close() {
+        if (m_database != 0) {
+            XrmDestroyDatabase(m_database);
+            m_database = 0;
+        }
+    }
+    bool operator == (const XrmDatabase& database) { return m_database == database; }
+    XrmDatabase & operator*(void) {     return m_database; }
+
+private:
+    XrmDatabase m_database;     
+};
+
+#endif //_XRMDATABASEHELPER_HH_