focushandler.h

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/*
 * The ManaPlus Client
 * Copyright (C) 2004-2009 The Mana World Development Team
 * Copyright (C) 2009-2010 The Mana Developers
 * Copyright (C) 2011-2019 The ManaPlus Developers
 * Copyright (C) 2019-2021 Andrei Karas
 *
 * 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 GUI_FOCUSHANDLER_H
#define GUI_FOCUSHANDLER_H
 
#include "utils/vector.h"
 
#include <list>
 
#include "localconsts.h"
 
class Event;
class Widget;
 
class FocusHandler final
{
 public:
 FocusHandler();
 
 A_DELETE_COPY(FocusHandler)
 
 
 void requestFocus(const Widget *const widget);
 
 void requestModalFocus(Widget *const widget);
 
 void requestModalMouseInputFocus(Widget *const widget);
 
 void releaseModalFocus(Widget *const widget);
 
 void releaseModalMouseInputFocus(const Widget *const widget);
 
 bool isFocused(const Widget *const widget) const;
 
 Widget* getFocused() const A_WARN_UNUSED;
 
 Widget* getModalFocused() const A_WARN_UNUSED;
 
 Widget* getModalMouseInputFocused() const A_WARN_UNUSED;
 
 void focusNext();
 
 void focusPrevious();
 
 void add(Widget *const widget);
 
 void remove(Widget *const widget);
 
 void focusNone();
 
 void tabNext();
 
 void tabPrevious();
 
 Widget* getDraggedWidget() const A_WARN_UNUSED;
 
 void setDraggedWidget(Widget *const draggedWidget);
 
 Widget* getLastWidgetWithMouse() const A_WARN_UNUSED;
 
 void setLastWidgetWithMouse(Widget *const lastWidgetWithMouse);
 
 Widget* getLastWidgetWithModalFocus() const A_WARN_UNUSED;
 
 void setLastWidgetWithModalFocus(Widget *const widget);
 
 Widget* getLastWidgetWithModalMouseInputFocus() const A_WARN_UNUSED;
 
 void setLastWidgetWithModalMouseInputFocus(Widget *const widget);
 
 Widget* getLastWidgetPressed() const A_WARN_UNUSED;
 
 void setLastWidgetPressed(Widget *const lastWidgetPressed);
 
 private:
 void checkForWindow() const;
 
 static void distributeFocusLostEvent(const Event& focusEvent);
 
 static void distributeFocusGainedEvent(const Event& focusEvent);
 
 typedef STD_VECTOR<Widget*> WidgetVector;
 
 typedef WidgetVector::iterator WidgetIterator;
 
 WidgetVector mWidgets;
 
 Widget* mFocusedWidget;
 
 Widget* mModalFocusedWidget;
 
 Widget* mModalMouseInputFocusedWidget;
 
 Widget* mDraggedWidget;
 
 Widget* mLastWidgetWithMouse;
 
 Widget* mLastWidgetWithModalFocus;
 
 Widget* mLastWidgetWithModalMouseInputFocus;
 
 Widget* mLastWidgetPressed;
 
 std::list<Widget*> mModalStack;
};
 
#endif // GUI_FOCUSHANDLER_H