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-rw-r--r--src/gui/widgets/sliderlist.cpp216
1 files changed, 216 insertions, 0 deletions
diff --git a/src/gui/widgets/sliderlist.cpp b/src/gui/widgets/sliderlist.cpp
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+++ b/src/gui/widgets/sliderlist.cpp
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+/*
+ * 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;
+}