79 lines
2.4 KiB
C++
79 lines
2.4 KiB
C++
/*
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==============================================================================
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This file is part of the JUCE library.
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Copyright (c) 2017 - ROLI Ltd.
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JUCE is an open source library subject to commercial or open-source
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licensing.
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By using JUCE, you agree to the terms of both the JUCE 5 End-User License
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Agreement and JUCE 5 Privacy Policy (both updated and effective as of the
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27th April 2017).
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End User License Agreement: www.juce.com/juce-5-licence
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Privacy Policy: www.juce.com/juce-5-privacy-policy
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Or: You may also use this code under the terms of the GPL v3 (see
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www.gnu.org/licenses).
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JUCE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES, WHETHER
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EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR PURPOSE, ARE
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DISCLAIMED.
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==============================================================================
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*/
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namespace juce
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{
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MouseInactivityDetector::MouseInactivityDetector (Component& c) : targetComp (c)
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{
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targetComp.addMouseListener (this, true);
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}
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MouseInactivityDetector::~MouseInactivityDetector()
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{
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targetComp.removeMouseListener (this);
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}
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void MouseInactivityDetector::setDelay (int newDelay) noexcept { delayMs = newDelay; }
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void MouseInactivityDetector::setMouseMoveTolerance (int newDistance) noexcept { toleranceDistance = newDistance; }
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void MouseInactivityDetector::addListener (Listener* l) { listenerList.add (l); }
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void MouseInactivityDetector::removeListener (Listener* l) { listenerList.remove (l); }
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void MouseInactivityDetector::timerCallback()
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{
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setActive (false);
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}
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void MouseInactivityDetector::wakeUp (const MouseEvent& e, bool alwaysWake)
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{
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auto newPos = e.getEventRelativeTo (&targetComp).getPosition();
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if ((! isActive) && (alwaysWake || e.source.isTouch() || newPos.getDistanceFrom (lastMousePos) > toleranceDistance))
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setActive (true);
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if (lastMousePos != newPos)
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{
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lastMousePos = newPos;
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startTimer (delayMs);
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}
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}
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void MouseInactivityDetector::setActive (bool b)
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{
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if (isActive != b)
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{
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isActive = b;
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if (isActive)
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listenerList.call ([] (Listener& l) { l.mouseBecameActive(); });
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else
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listenerList.call ([] (Listener& l) { l.mouseBecameInactive(); });
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}
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}
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} // namespace juce
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