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/*
==============================================================================
This file is part of the JUCE library.
Copyright (c) 2017 - ROLI Ltd.
JUCE is an open source library subject to commercial or open-source
licensing.
By using JUCE, you agree to the terms of both the JUCE 5 End-User License
Agreement and JUCE 5 Privacy Policy (both updated and effective as of the
27th April 2017).
End User License Agreement: www.juce.com/juce-5-licence
Privacy Policy: www.juce.com/juce-5-privacy-policy
Or: You may also use this code under the terms of the GPL v3 (see
www.gnu.org/licenses).
JUCE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES, WHETHER
EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR PURPOSE, ARE
DISCLAIMED.
==============================================================================
*/
namespace juce
{
ProgressBar::ProgressBar (double& progress_)
: progress (progress_),
displayPercentage (true),
lastCallbackTime (0)
{
currentValue = jlimit (0.0, 1.0, progress);
}
ProgressBar::~ProgressBar()
{
}
//==============================================================================
void ProgressBar::setPercentageDisplay (const bool shouldDisplayPercentage)
{
displayPercentage = shouldDisplayPercentage;
repaint();
}
void ProgressBar::setTextToDisplay (const String& text)
{
displayPercentage = false;
displayedMessage = text;
}
void ProgressBar::lookAndFeelChanged()
{
setOpaque (getLookAndFeel().isProgressBarOpaque (*this));
}
void ProgressBar::colourChanged()
{
lookAndFeelChanged();
}
void ProgressBar::paint (Graphics& g)
{
String text;
if (displayPercentage)
{
if (currentValue >= 0 && currentValue <= 1.0)
text << roundToInt (currentValue * 100.0) << '%';
}
else
{
text = displayedMessage;
}
getLookAndFeel().drawProgressBar (g, *this,
getWidth(), getHeight(),
currentValue, text);
}
void ProgressBar::visibilityChanged()
{
if (isVisible())
startTimer (30);
else
stopTimer();
}
void ProgressBar::timerCallback()
{
double newProgress = progress;
const uint32 now = Time::getMillisecondCounter();
const int timeSinceLastCallback = (int) (now - lastCallbackTime);
lastCallbackTime = now;
if (currentValue != newProgress
|| newProgress < 0 || newProgress >= 1.0
|| currentMessage != displayedMessage)
{
if (currentValue < newProgress
&& newProgress >= 0 && newProgress < 1.0
&& currentValue >= 0 && currentValue < 1.0)
{
newProgress = jmin (currentValue + 0.0008 * timeSinceLastCallback,
newProgress);
}
currentValue = newProgress;
currentMessage = displayedMessage;
repaint();
}
}
} // namespace juce
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