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/*
* The ManaPlus Client
* Copyright (C) 2004-2009 The Mana World Development Team
* Copyright (C) 2009-2010 The Mana Developers
* Copyright (C) 2011-2013 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/progressbar.h"
#include "client.h"
#include "graphicsvertexes.h"
#include "gui/gui.h"
#include "gui/sdlfont.h"
#include <guichan/font.hpp>
#include "debug.h"
int ProgressBar::mInstances = 0;
float ProgressBar::mAlpha = 1.0;
ProgressBar::ProgressBar(const Widget2 *const widget, float progress,
const int width, const int height,
const int backColor, const std::string &skin):
gcn::Widget(),
Widget2(widget),
gcn::WidgetListener(),
mSkin(nullptr),
mProgress(progress),
mProgressToGo(progress),
mBackgroundColor(Theme::getProgressColor(backColor >= 0
? backColor : 0, mProgress)),
mBackgroundColorToGo(mBackgroundColor),
mForegroundColor2(getThemeColor(Theme::PROGRESS_BAR_OUTLINE)),
mText(),
mVertexes(new ImageCollection),
mProgressPalette(backColor),
mPadding(2),
mFillPadding(3),
mSmoothProgress(true),
mSmoothColorChange(true),
mRedraw(true)
{
// The progress value is directly set at load time:
if (mProgress > 1.0F || mProgress < 0.0F)
mProgress = 1.0F;
mForegroundColor = getThemeColor(Theme::PROGRESS_BAR);
addWidgetListener(this);
setSize(width, height);
Theme *const theme = Theme::instance();
if (theme)
{
mSkin = theme->load(skin, "progressbar.xml");
if (mSkin)
{
setPadding(mSkin->getPadding());
mFillPadding = mSkin->getOption("fillPadding");
}
setHeight(2 * mPadding + getFont()->getHeight() + 2);
}
mInstances++;
}
ProgressBar::~ProgressBar()
{
if (gui)
gui->removeDragged(this);
mInstances--;
if (mSkin)
{
Theme *const theme = Theme::instance();
if (theme)
theme->unload(mSkin);
mSkin = nullptr;
}
delete mVertexes;
mVertexes = nullptr;
}
void ProgressBar::logic()
{
BLOCK_START("ProgressBar::logic")
if (mSmoothColorChange && mBackgroundColorToGo != mBackgroundColor)
{
// Smoothly changing the color for a nicer effect.
if (mBackgroundColorToGo.r > mBackgroundColor.r)
mBackgroundColor.r++;
if (mBackgroundColorToGo.g > mBackgroundColor.g)
mBackgroundColor.g++;
if (mBackgroundColorToGo.b > mBackgroundColor.b)
mBackgroundColor.b++;
if (mBackgroundColorToGo.r < mBackgroundColor.r)
mBackgroundColor.r--;
if (mBackgroundColorToGo.g < mBackgroundColor.g)
mBackgroundColor.g--;
if (mBackgroundColorToGo.b < mBackgroundColor.b)
mBackgroundColor.b--;
}
if (mSmoothProgress && mProgressToGo != mProgress)
{
// Smoothly showing the progressbar changes.
if (mProgressToGo > mProgress)
mProgress = std::min(1.0F, mProgress + 0.005F);
if (mProgressToGo < mProgress)
mProgress = std::max(0.0F, mProgress - 0.005F);
}
BLOCK_END("ProgressBar::logic")
}
void ProgressBar::updateAlpha()
{
const float alpha = std::max(client->getGuiAlpha(),
Theme::instance()->getMinimumOpacity());
mAlpha = alpha;
}
void ProgressBar::draw(gcn::Graphics *graphics)
{
BLOCK_START("ProgressBar::draw")
updateAlpha();
mBackgroundColor.a = static_cast<int>(mAlpha * 255);
render(static_cast<Graphics*>(graphics));
BLOCK_END("ProgressBar::draw")
}
void ProgressBar::setProgress(const float progress)
{
const float p = std::min(1.0F, std::max(0.0F, progress));
mProgressToGo = p;
if (!mSmoothProgress)
mProgress = p;
if (mProgressPalette >= 0)
{
mBackgroundColorToGo = Theme::getProgressColor(
mProgressPalette, progress);
}
}
void ProgressBar::setProgressPalette(const int progressPalette)
{
const int oldPalette = mProgressPalette;
mProgressPalette = progressPalette;
if (mProgressPalette != oldPalette && mProgressPalette >= 0)
{
mBackgroundColorToGo = Theme::getProgressColor(
mProgressPalette, mProgressToGo);
}
}
void ProgressBar::setBackgroundColor(const gcn::Color &color)
{
mBackgroundColorToGo = color;
if (!mSmoothColorChange)
mBackgroundColor = color;
}
void ProgressBar::setColor(const gcn::Color &color1, const gcn::Color &color2)
{
mForegroundColor = color1;
mForegroundColor2 = color2;
}
void ProgressBar::render(Graphics *graphics)
{
if (!mSkin)
return;
if (isBatchDrawRenders(openGLMode))
{
if (mRedraw || graphics->getRedraw())
{
mRedraw = false;
mVertexes->clear();
graphics->calcWindow(mVertexes, 0, 0,
mDimension.width, mDimension.height, mSkin->getBorder());
}
graphics->drawTileCollection(mVertexes);
}
else
{
graphics->drawImageRect(0, 0, mDimension.width, mDimension.height,
mSkin->getBorder());
}
// The bar
if (mProgress > 0)
{
graphics->setColor(mBackgroundColor);
const unsigned int pad = 2 * mFillPadding;
const int maxWidth = mDimension.width - pad;
int width = static_cast<int>(mProgress * static_cast<float>(maxWidth));
if (width > 0)
{
if (width > maxWidth)
width = maxWidth;
graphics->fillRectangle(gcn::Rectangle(mFillPadding, mFillPadding,
width, mDimension.height - pad));
}
}
// The label
if (!mText.empty())
{
const gcn::Color oldColor = graphics->getColor();
gcn::Font *const font = gui->getFont();
const int textX = mDimension.width / 2;
const int textY = (mDimension.height - font->getHeight()) / 2;
graphics->setColorAll(mForegroundColor, mForegroundColor2);
font->drawString(graphics, mText, textX
- font->getWidth(mText) / 2, textY);
graphics->setColor(oldColor);
}
}
void ProgressBar::widgetResized(const gcn::Event &event A_UNUSED)
{
mRedraw = true;
}
void ProgressBar::widgetMoved(const gcn::Event &event A_UNUSED)
{
mRedraw = true;
}
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