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Diffstat (limited to 'src/gui/base/widgets/listbox.cpp')
| -rw-r--r-- | src/gui/base/widgets/listbox.cpp | 241 |
1 files changed, 241 insertions, 0 deletions
diff --git a/src/gui/base/widgets/listbox.cpp b/src/gui/base/widgets/listbox.cpp new file mode 100644 index 000000000..b97bf47d4 --- /dev/null +++ b/src/gui/base/widgets/listbox.cpp @@ -0,0 +1,241 @@ +/* + * 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. + */ + +/* + * For comments regarding functions please see the header file. + */ + +#include "gui/base/widgets/listbox.hpp" + +#include "gui/base/basiccontainer.hpp" +#include "gui/base/font.hpp" +#include "gui/base/graphics.hpp" +#include "gui/base/key.hpp" +#include "gui/base/listmodel.hpp" +#include "gui/base/mouseinput.hpp" +#include "gui/base/selectionlistener.hpp" + +#include "debug.h" + +namespace gcn +{ + ListBox::ListBox() : + gcn::Widget(), + gcn::MouseListener(), + gcn::KeyListener(), + mSelected(-1), + mListModel(nullptr), + mWrappingEnabled(false), + mSelectionListeners() + { + setWidth(100); + setFocusable(true); + + addMouseListener(this); + addKeyListener(this); + } + + ListBox::ListBox(ListModel *listModel) : + gcn::Widget(), + gcn::MouseListener(), + gcn::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 |