Initial commit.

This code based on mana client http://www.gitorious.org/mana/mana
and my private repository.

1 files changed, 77 insertions, 0 deletions

diff --git a/src/gui/focushandler.h b/src/gui/focushandler.h
new file mode 100644
index 000000000..f933323ae
--- /dev/null
+++ b/src/gui/focushandler.h
@@ -0,0 +1,77 @@
+/*
+ *  The Mana Client
+ *  Copyright (C) 2004-2009  The Mana World Development Team
+ *  Copyright (C) 2009-2010  The Mana Developers
+ *
+ *  This file is part of The Mana 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/>.
+ */
+
+#ifndef FOCUSHANDLER_H
+#define FOCUSHANDLER_H
+
+#include <guichan/focushandler.hpp>
+
+#include <list>
+
+/**
+ * The focus handler. This focus handler does exactly the same as the Guichan
+ * focus handler, but keeps a stack of modal widgets to be able to handle
+ * multiple modal focus requests.
+ */
+class FocusHandler : public gcn::FocusHandler
+{
+    public:
+        /**
+         * Sets modal focus to a widget. When there is already a modal widget
+         * then that widget loses modal focus and will regain it after this
+         * widget releases his modal focus.
+         */
+        void requestModalFocus(gcn::Widget *widget);
+
+        /**
+         * Releases modal focus of a widget. When this widget had modal focus
+         * and there are other widgets that had also requested modal focus,
+         * then modal focus will be transfered to the last of those.
+         */
+        void releaseModalFocus(gcn::Widget *widget);
+
+        /**
+         * Removes a widget from the focus handler. Also makes sure no dangling
+         * pointers remain in modal focus stack.
+         */
+        void remove(gcn::Widget *widget);
+
+        /**
+         * Overloaded to allow windows to move to the top when one of their
+         * widgets is tabbed to when tabbing through focusable elements.
+         */
+        void tabNext();
+        void tabPrevious();
+
+    private:
+        /**
+         * Checks to see if the widget tabbed to is in a window, and if it is,
+         * it requests the window be moved to the top.
+         */
+        void checkForWindow();
+
+        /**
+         * Stack of widgets that have requested modal forcus.
+         */
+        std::list<gcn::Widget*> mModalStack;
+};
+
+#endif