/* * 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 . */ /* _______ __ __ __ ______ __ __ _______ __ __ * / _____/\ / /\ / /\ / /\ / ____/\ / /\ / /\ / ___ /\ / |\/ /\ * / /\____\// / // / // / // /\___\// /_// / // /\_/ / // , |/ / / * / / /__ / / // / // / // / / / ___ / // ___ / // /| ' / / * / /_// /\ / /_// / // / // /_/_ / / // / // /\_/ / // / | / / * /______/ //______/ //_/ //_____/\ /_/ //_/ //_/ //_/ //_/ /|_/ / * \______\/ \______\/ \_\/ \_____\/ \_\/ \_\/ \_\/ \_\/ \_\/ \_\/ * * 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. */ /* * For comments regarding functions please see the header file. */ #include "gui/base/widgets/listbox.hpp" #include "gui/font.h" #include "gui/base/basiccontainer.hpp" #include "gui/base/key.hpp" #include "gui/base/listmodel.hpp" #include "input/mouseinput.h" #include "listeners/selectionlistener.h" #include "render/graphics.h" #include "debug.h" namespace gcn { ListBox::ListBox() : gcn::Widget(), MouseListener(), KeyListener(), mSelected(-1), mListModel(nullptr), mWrappingEnabled(false), mSelectionListeners() { setWidth(100); setFocusable(true); addMouseListener(this); addKeyListener(this); } ListBox::ListBox(ListModel *listModel) : gcn::Widget(), MouseListener(), KeyListener(), mSelected(-1), mListModel(listModel), mWrappingEnabled(false), mSelectionListeners() { setWidth(100); adjustSize(); setFocusable(true); addMouseListener(this); addKeyListener(this); } void ListBox::draw(Graphics* graphics A_UNUSED) { } void ListBox::logic() { } int ListBox::getSelected() const { return mSelected; } void ListBox::setSelected(int selected) { if (!mListModel) { mSelected = -1; } else { if (selected < 0) mSelected = -1; else if (selected >= mListModel->getNumberOfElements()) mSelected = mListModel->getNumberOfElements() - 1; else mSelected = selected; } Rectangle scroll; if (mSelected < 0) scroll.y = 0; else scroll.y = getRowHeight() * mSelected; scroll.height = getRowHeight(); showPart(scroll); distributeValueChangedEvent(); } void ListBox::keyPressed(KeyEvent &keyEvent A_UNUSED) { } void ListBox::mousePressed(MouseEvent &mouseEvent A_UNUSED) { } void ListBox::mouseWheelMovedUp(MouseEvent& mouseEvent) { if (isFocused()) { if (getSelected() > 0 ) setSelected(getSelected() - 1); mouseEvent.consume(); } } void ListBox::mouseWheelMovedDown(MouseEvent& mouseEvent) { if (isFocused()) { setSelected(getSelected() + 1); mouseEvent.consume(); } } void ListBox::mouseDragged(MouseEvent& mouseEvent) { mouseEvent.consume(); } void ListBox::setListModel(ListModel *listModel) { mSelected = -1; mListModel = listModel; adjustSize(); } ListModel* ListBox::getListModel() { return mListModel; } void ListBox::adjustSize() { } bool ListBox::isWrappingEnabled() const { return mWrappingEnabled; } void ListBox::setWrappingEnabled(bool wrappingEnabled) { mWrappingEnabled = wrappingEnabled; } void ListBox::addSelectionListener(SelectionListener* selectionListener) { mSelectionListeners.push_back(selectionListener); } void ListBox::removeSelectionListener(SelectionListener* selectionListener) { mSelectionListeners.remove(selectionListener); } void ListBox::distributeValueChangedEvent() { for (SelectionListenerIterator iter = mSelectionListeners.begin(); iter != mSelectionListeners.end(); ++ iter) { SelectionEvent event(this); (*iter)->valueChanged(event); } } unsigned int ListBox::getRowHeight() const { return getFont()->getHeight(); } } // namespace gcn