/* * 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/>. */ #include "gui/widgets/sliderlist.h" #include "gui/gui.h" #include "gui/fonts/font.h" #include "gui/models/listmodel.h" #include "gui/widgets/button.h" #include "gui/widgets/label.h" #include "debug.h" static const int buttonWidth = 27; static const int buttonSpace = 30; static const int sliderHeight = 30; SliderList::SliderList(const Widget2 *const widget, ListModel *const listModel) : Container(widget), ActionListener(), MouseListener(), mLabel(new Label(this)), mListModel(listModel), mPrevEventId(), mNextEventId(), mOldWidth(0), mSelectedIndex(0) { mAllowLogic = false; setHeight(sliderHeight); } void SliderList::postInit(ActionListener *const listener, const std::string &eventId) { mPrevEventId = eventId + "_prev"; mNextEventId = eventId + "_next"; mButtons[0] = new Button(this, "<", mPrevEventId, this); mButtons[1] = new Button(this, ">", mNextEventId, this); add(mButtons[0]); add(mLabel); add(mButtons[1]); if (!eventId.empty()) setActionEventId(eventId); if (listener) addActionListener(listener); updateLabel(); addMouseListener(this); } SliderList::~SliderList() { } void SliderList::updateAlpha() { Button::updateAlpha(); } void SliderList::mouseWheelMovedUp(MouseEvent& event) { setSelected(mSelectedIndex - 1); event.consume(); } void SliderList::mouseWheelMovedDown(MouseEvent& event) { setSelected(mSelectedIndex + 1); event.consume(); } void SliderList::resize() { const int width = getWidth(); mButtons[0]->setWidth(buttonWidth); mLabel->setWidth(width - buttonSpace * 2); mButtons[1]->setPosition(width - buttonSpace + 3, 0); mButtons[1]->setWidth(buttonWidth); updateLabel(); } void SliderList::draw(Graphics *graphics) { BLOCK_START("SliderList::draw") const int width = mDimension.width; if (mOldWidth != width) { resize(); mOldWidth = width; } Container::draw(graphics); BLOCK_END("SliderList::draw") } void SliderList::updateLabel() { if (!mListModel || mSelectedIndex < 0 || mSelectedIndex >= mListModel->getNumberOfElements()) { return; } mLabel->setCaption(mListModel->getElementAt(mSelectedIndex)); mLabel->adjustSize(); const int space = mDimension.width - buttonSpace * 2; const int labelWidth = mLabel->getWidth(); int labelY = (mDimension.height - mLabel->getHeight()) / 2; if (labelY < 0) labelY = 0; if (space < 0 || space < labelWidth) mLabel->setPosition(buttonSpace, labelY); else mLabel->setPosition(buttonSpace + (space - labelWidth) / 2, labelY); } void SliderList::action(const ActionEvent &event) { if (!mListModel) return; const std::string &eventId = event.getId(); if (eventId == mPrevEventId) { mSelectedIndex --; if (mSelectedIndex < 0) mSelectedIndex = mListModel->getNumberOfElements() - 1; } else if (eventId == mNextEventId) { mSelectedIndex ++; if (mSelectedIndex >= mListModel->getNumberOfElements()) mSelectedIndex = 0; } updateLabel(); distributeActionEvent(); } void SliderList::setSelectedString(const std::string &str) { if (!mListModel) return; for (int f = 0; f < mListModel->getNumberOfElements(); f ++) { if (mListModel->getElementAt(f) == str) { setSelected(f); break; } } } std::string SliderList::getSelectedString() const { if (!mListModel) return std::string(); return mListModel->getElementAt(mSelectedIndex); } void SliderList::setSelected(const int idx) { if (!mListModel) return; mSelectedIndex = idx; const int num = mListModel->getNumberOfElements(); if (mSelectedIndex >= num) mSelectedIndex = 0; if (mSelectedIndex < 0) mSelectedIndex = num - 1; updateLabel(); } void SliderList::adjustSize() { setWidth(getMaxLabelWidth() + 60); updateLabel(); } int SliderList::getMaxLabelWidth() const { if (!mListModel || !gui) return 1; int maxWidth = 0; const Font *const font = getFont(); const int num = mListModel->getNumberOfElements(); for (int f = 0; f < num; f ++) { const int w = font->getWidth(mListModel->getElementAt(f)); if (w > maxWidth) maxWidth = w; } return maxWidth; }