Improvement to plugin system:

- made config page system more automatic, to allow addign config pages from plugins
- added (disabled) checkbox and function to allow all plugins for development
- added config page methods to RsPlugin class



git-svn-id: http://svn.code.sf.net/p/retroshare/code/trunk@4957 b45a01b8-16f6-495d-af2f-9b41ad6348cc

retroshare-gui/src/retroshare-gui/configpage.h

@@ -0,0 +1,66 @@
+/****************************************************************
+ * This file is distributed under the following license:
+ *
+ * Copyright (c) 2006-2007, crypton
+ * Copyright (c) 2006, Matt Edman, Justin Hipple
+ *
+ *  This program is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU General Public License
+ *  as published by the Free Software Foundation; either version 2
+ *  of the License, or (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ *  Boston, MA  02110-1301, USA.
+ ****************************************************************/
+
+#ifndef _CONFIGPAGE_H
+#define _CONFIGPAGE_H
+
+#include <QWidget>
+
+class ConfigPage : public QWidget
+{
+	public:
+		/** Default Constructor */
+		ConfigPage(QWidget *parent = 0, Qt::WFlags flags = 0) : loaded(false) {}
+
+		/** Pure virtual method. Subclassed pages load their config settings here. */
+		virtual void load() = 0;
+
+		/** Pure virtual method. Subclassed pages save their config settings here
+		 * and return true if everything was saved successfully. */
+
+		virtual bool save(QString &errmsg) = 0;
+
+		bool wasLoaded() { return loaded ; }
+
+		// Icon to be used to display the config page.
+		//
+		virtual QPixmap iconPixmap() const = 0 ;
+
+		// Name of the page, to put in the leftside list
+		//
+		virtual QString pageName() const = 0 ;
+
+	protected:
+		virtual void showEvent(QShowEvent * event)
+		{
+			if(!loaded)
+			{
+				load() ;
+				loaded = true ;
+			}
+		}
+
+		bool loaded;
+};
+
+#endif
+