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/*
* The Mana Client
* Copyright (C) 2004-2010 The Mana World Development Team
*
* This file is part of The Mana 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/>.
*/
#ifndef PROGRESSBAR_H
#define PROGRESSBAR_H
#include <guichan/widget.hpp>
#include <string>
class Graphics;
class ImageRect;
/**
* A progress bar.
*
* \ingroup GUI
*/
class ProgressBar : public gcn::Widget
{
public:
/**
* Constructor, initializes the progress with the given value.
*/
ProgressBar(float progress = 0.0f,
int width = 40, int height = 7,
const gcn::Color &color = gcn::Color(150, 150, 150));
~ProgressBar();
/**
* Performs progress bar logic (fading colors)
*/
void logic();
/**
* Update the alpha value to the graphic components.
*/
void updateAlpha();
/**
* Draws the progress bar.
*/
void draw(gcn::Graphics *graphics);
/**
* Sets the current progress.
*/
void setProgress(float progress);
/**
* Returns the current progress.
*/
float getProgress() const { return mProgress; }
/**
* Change the color of the progress bar.
*/
void setColor(const gcn::Color &color);
/**
* Change the color of the progress bar.
*
* This is an overload provided for convenience.
*/
inline void setColor(int r, int g, int b)
{ setColor(gcn::Color(r, g, b)); }
/**
* Returns the color of the progress bar.
*/
const gcn::Color &getColor() const { return mColor; }
/**
* Sets the text shown on the progress bar.
*/
void setText(const std::string &text)
{ mText = text; }
/**
* Returns the text shown on the progress bar.
*/
const std::string &text() const
{ return mText; }
/**
* Set whether the progress is moved smoothly.
*/
void setSmoothProgress(bool smoothProgress)
{ mSmoothProgress = smoothProgress; }
/**
* Set whether the color changing is made smoothly.
*/
void setSmoothColorChange(bool smoothColorChange)
{ mSmoothColorChange = smoothColorChange; }
/**
* Renders a progressbar with the given properties.
*/
static void render(Graphics *graphics, const gcn::Rectangle &area,
const gcn::Color &color, float progress,
const std::string &text = "");
private:
float mProgress, mProgressToGo;
bool mSmoothProgress;
gcn::Color mColor;
gcn::Color mColorToGo;
bool mSmoothColorChange;
std::string mText;
static ImageRect mBorder;
static int mInstances;
static float mAlpha;
static const gcn::Color TEXT_COLOR;
};
#endif
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