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Diffstat (limited to 'src/gui/widgets/sliderlist.cpp')
-rw-r--r-- | src/gui/widgets/sliderlist.cpp | 216 |
1 files changed, 216 insertions, 0 deletions
diff --git a/src/gui/widgets/sliderlist.cpp b/src/gui/widgets/sliderlist.cpp new file mode 100644 index 000000000..bc30bbe38 --- /dev/null +++ b/src/gui/widgets/sliderlist.cpp @@ -0,0 +1,216 @@ +/* + * The ManaPlus Client + * Copyright (C) 2011-2012 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 "client.h" +#include "logger.h" + +#include "gui/gui.h" + +#include "gui/widgets/button.h" +#include "gui/widgets/label.h" + +#include "utils/dtor.h" + +#include <guichan/font.hpp> + +#include "debug.h" + +static const int buttonWidth = 27; +static const int buttonSpace = 30; +static const int sliderHeight = 30; + +SliderList::SliderList(gcn::ListModel *listModel, + gcn::ActionListener* listener, + std::string eventId) : + mListModel(listModel), + mOldWidth(0), + mSelectedIndex(0) +{ + mPrevEventId = eventId + "_prev"; + mNextEventId = eventId + "_next"; + + setHeight(sliderHeight); + + mButtons[0] = new Button("<", mPrevEventId, this); + mButtons[1] = new Button(">", mNextEventId, this); + mLabel = new Label(""); + 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() +{ + mButtons[0]->updateAlpha(); + mButtons[1]->updateAlpha(); +} + +void SliderList::mouseWheelMovedUp(gcn::MouseEvent& mouseEvent) +{ + logger->log("SliderList::mouseWheelMovedUp"); + setSelected(mSelectedIndex - 1); + mouseEvent.consume(); +} + +void SliderList::mouseWheelMovedDown(gcn::MouseEvent& mouseEvent) +{ + setSelected(mSelectedIndex + 1); + mouseEvent.consume(); +} + +void SliderList::resize() +{ + const int width = getWidth(); + + mButtons[0]->setWidth(buttonWidth); +// mLabel->setPosition(buttonSpace, 0); + mLabel->setWidth(width - buttonSpace * 2); + mButtons[1]->setPosition(width - buttonSpace + 3, 0); + mButtons[1]->setWidth(buttonWidth); + updateLabel(); +} + +void SliderList::draw(gcn::Graphics *graphics) +{ + if (mOldWidth != getWidth()) + { + resize(); + mOldWidth = getWidth(); + } + Container::draw(graphics); +} + +void SliderList::updateLabel() +{ + if (!mListModel || mSelectedIndex < 0 + || mSelectedIndex >= mListModel->getNumberOfElements()) + { + return; + } + + mLabel->setCaption(mListModel->getElementAt(mSelectedIndex)); + mLabel->adjustSize(); + const int space = getWidth() - buttonSpace * 2; + const int labelWidth = mLabel->getWidth(); + int labelY = (getHeight() - 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 gcn::ActionEvent &event) +{ + if (!mListModel) + return; + + if (event.getId() == mPrevEventId) + { + mSelectedIndex --; + if (mSelectedIndex < 0) + mSelectedIndex = mListModel->getNumberOfElements() - 1; + } + else if (event.getId() == mNextEventId) + { + mSelectedIndex ++; + if (mSelectedIndex >= mListModel->getNumberOfElements()) + mSelectedIndex = 0; + } + updateLabel(); + distributeActionEvent(); +} + +void SliderList::setSelectedString(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 ""; + + return mListModel->getElementAt(mSelectedIndex); +} + +void SliderList::setSelected(int idx) +{ + if (!mListModel) + return; + + mSelectedIndex = idx; + if (mSelectedIndex >= mListModel->getNumberOfElements()) + mSelectedIndex = 0; + if (mSelectedIndex < 0) + mSelectedIndex = mListModel->getNumberOfElements() - 1; + updateLabel(); +} + +void SliderList::adjustSize() +{ + setWidth(getMaxLabelWidth() + 60); + updateLabel(); +} + +int SliderList::getMaxLabelWidth() +{ + if (!mListModel || !gui) + return 1; + + int maxWidth = 0; + gcn::Font *font = gui->getFont(); + + for (int f = 0; f < mListModel->getNumberOfElements(); f ++) + { + int w = font->getWidth(mListModel->getElementAt(f)); + if (w > maxWidth) + maxWidth = w; + } + + return maxWidth; +} |