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/*
* The Mana World
* Copyright (C) 2004 The Mana World Development Team
*
* This file is part of The Mana World.
*
* 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, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "gui/widgets/listbox.h"
#include "gui/palette.h"
#include "gui/sdlinput.h"
#include "configuration.h"
#include <guichan/font.hpp>
#include <guichan/graphics.hpp>
#include <guichan/key.hpp>
#include <guichan/listmodel.hpp>
float ListBox::mAlpha = 1.0;
ListBox::ListBox(gcn::ListModel *listModel):
gcn::ListBox(listModel)
{
}
void ListBox::draw(gcn::Graphics *graphics)
{
if (!mListModel)
return;
if (config.getValue("guialpha", 0.8) != mAlpha)
mAlpha = config.getValue("guialpha", 0.8);
graphics->setColor(guiPalette->getColor(Palette::HIGHLIGHT,
(int)(mAlpha * 255.0f)));
graphics->setFont(getFont());
const int fontHeight = getFont()->getHeight();
// Draw filled rectangle around the selected list element
if (mSelected >= 0)
graphics->fillRectangle(gcn::Rectangle(0, fontHeight * mSelected,
getWidth(), fontHeight));
// Draw the list elements
graphics->setColor(guiPalette->getColor(Palette::TEXT));
for (int i = 0, y = 0; i < mListModel->getNumberOfElements();
++i, y += fontHeight)
{
graphics->drawText(mListModel->getElementAt(i), 1, y);
}
}
void ListBox::keyPressed(gcn::KeyEvent& keyEvent)
{
gcn::Key key = keyEvent.getKey();
if (key.getValue() == Key::ENTER || key.getValue() == Key::SPACE)
{
distributeActionEvent();
keyEvent.consume();
}
else if (key.getValue() == Key::UP)
{
if (getSelected() > 0)
setSelected(mSelected - 1);
else if (getSelected() == 0 && mWrappingEnabled)
setSelected(getListModel()->getNumberOfElements() - 1);
keyEvent.consume();
}
else if (key.getValue() == Key::DOWN)
{
if (getSelected() < (getListModel()->getNumberOfElements() - 1))
setSelected(mSelected + 1);
else if (getSelected() == (getListModel()->getNumberOfElements() - 1) &&
mWrappingEnabled)
setSelected(0);
keyEvent.consume();
}
else if (key.getValue() == Key::HOME)
{
setSelected(0);
keyEvent.consume();
}
else if (key.getValue() == Key::END)
{
setSelected(getListModel()->getNumberOfElements() - 1);
keyEvent.consume();
}
}
// Don't do anything on scrollwheel. ScrollArea will deal with that.
void ListBox::mouseWheelMovedUp(gcn::MouseEvent &mouseEvent)
{
}
void ListBox::mouseWheelMovedDown(gcn::MouseEvent &mouseEvent)
{
}
void ListBox::mouseDragged(gcn::MouseEvent &event)
{
if (event.getButton() != gcn::MouseEvent::LEFT)
return;
// Make list selection update on drag, but guard against negative y
int y = std::max(0, event.getY());
setSelected(y / getRowHeight());
}
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