move widgetlistener from base into listeners.

1 files changed, 140 insertions, 0 deletions

diff --git a/src/listeners/widgetlistener.h b/src/listeners/widgetlistener.h
new file mode 100644
index 000000000..d7d348cd0
--- /dev/null
+++ b/src/listeners/widgetlistener.h
@@ -0,0 +1,140 @@
+/*
+ *  The ManaPlus Client
+ *  Copyright (C) 2011-2014  The ManaPlus Developers
+ *
+ *  This file is part of The ManaPlus Client.
+ *
+ *  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
+ *  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, see <http://www.gnu.org/licenses/>.
+ */
+
+/*      _______   __   __   __   ______   __   __   _______   __   __
+ *     / _____/\ / /\ / /\ / /\ / ____/\ / /\ / /\ / ___  /\ /  |\/ /\
+ *    / /\____\// / // / // / // /\___\// /_// / // /\_/ / // , |/ / /
+ *   / / /__   / / // / // / // / /    / ___  / // ___  / // /| ' / /
+ *  / /_// /\ / /_// / // / // /_/_   / / // / // /\_/ / // / |  / /
+ * /______/ //______/ //_/ //_____/\ /_/ //_/ //_/ //_/ //_/ /|_/ /
+ * \______\/ \______\/ \_\/ \_____\/ \_\/ \_\/ \_\/ \_\/ \_\/ \_\/
+ *
+ * Copyright (c) 2004 - 2008 Olof Naessén and Per Larsson
+ *
+ *
+ * Per Larsson a.k.a finalman
+ * Olof Naessén a.k.a jansem/yakslem
+ *
+ * Visit: http://guichan.sourceforge.net
+ *
+ * License: (BSD)
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ * 3. Neither the name of Guichan nor the names of its contributors may
+ *    be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
+ * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef LISTENERS_WIDGETLISTENER_HPP
+#define LISTENERS_WIDGETLISTENER_HPP
+
+#include <string>
+
+#include "gui/base/event.hpp"
+
+#include "localconsts.h"
+
+/**
+  * Interface for listening for events from widgets. When a widget's size,
+  * location or visibility changes, the relevant method of the listener is
+  * invoked.
+  *
+  * @see Widget::addWidgetListener, Widget::removeWidgetListener
+  * @author Olof Naessén
+  * @since 0.8.0
+  */
+class WidgetListener
+{
+    public:
+        /**
+          * Destructor.
+          */
+        virtual ~WidgetListener()
+        { }
+
+        /**
+          * Invoked when a widget changes its size.
+          *
+          * @param event Describes the event.
+          * @since 0.8.0
+          */
+        virtual void widgetResized(const gcn::Event &event A_UNUSED)
+        { }
+
+        /**
+          * Invoked when a widget is moved.
+          *
+          * @param event Describes the event.
+          * @since 0.8.0
+          */
+        virtual void widgetMoved(const gcn::Event &event A_UNUSED)
+        { }
+
+        /**
+          * Invoked when a widget is hidden, i.e it's set to be
+          * not visible.
+          *
+          * @param event Describes the event.
+          * @since 0.8.0
+          */
+        virtual void widgetHidden(const gcn::Event &event A_UNUSED)
+        { }
+
+        /**
+          * Invoked when a widget is shown, i.e it's set to be
+          * visible.
+          *
+          * @param event Describes the event.
+          * @since 0.8.0
+          */
+        virtual void widgetShown(const gcn::Event &event A_UNUSED)
+        { }
+
+    protected:
+        /**
+          * Constructor.
+          *
+          * You should not be able to make an instance of WidgetListener,
+          * therefore its constructor is protected.
+          */
+        WidgetListener()
+        { }
+};
+
+#endif  // LISTENERS_WIDGETLISTENER_HPP