- initial version

git-svn-id: http://moon:8086/svn/software/trunk/projects/RBM@14 b431acfa-c32f-4a4a-93f1-934dc6c82436
2014-09-24 17:21:29 +00:00
commit 470437eecb
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+/*
+  ==============================================================================
+
+   This file is part of the JUCE library.
+   Copyright (c) 2013 - Raw Material Software Ltd.
+
+   Permission is granted to use this software under the terms of either:
+   a) the GPL v2 (or any later version)
+   b) the Affero GPL v3
+
+   Details of these licenses can be found at: www.gnu.org/licenses
+
+   JUCE 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.
+
+   ------------------------------------------------------------------------------
+
+   To release a closed-source product which uses JUCE, commercial licenses are
+   available: visit www.juce.com for more information.
+
+  ==============================================================================
+*/
+
+MouseInactivityDetector::MouseInactivityDetector (Component& c)
+    : targetComp (c), delayMs (1500), isActive (true)
+{
+    targetComp.addMouseListener (this, true);
+}
+
+MouseInactivityDetector::~MouseInactivityDetector()
+{
+    targetComp.removeMouseListener (this);
+}
+
+void MouseInactivityDetector::setDelay (int newDelayMilliseconds)
+{
+    delayMs = newDelayMilliseconds;
+}
+
+
+void MouseInactivityDetector::addListener    (Listener* l)   { listenerList.add (l); }
+void MouseInactivityDetector::removeListener (Listener* l)   { listenerList.remove (l); }
+
+void MouseInactivityDetector::timerCallback()
+{
+    setActive (false);
+}
+
+void MouseInactivityDetector::wakeUp (const MouseEvent& e, bool alwaysWake)
+{
+    const Point<int> newPos (e.getEventRelativeTo (&targetComp).getPosition());
+
+    if ((! isActive) && (alwaysWake || e.source.isTouch() || newPos.getDistanceFrom (lastMousePos) > 15))
+        setActive (true);
+
+    if (lastMousePos != newPos)
+    {
+        lastMousePos = newPos;
+        startTimer (delayMs);
+    }
+}
+
+void MouseInactivityDetector::setActive (bool b)
+{
+    if (isActive != b)
+    {
+        isActive = b;
+
+        listenerList.call (b ? &Listener::mouseBecameActive
+                             : &Listener::mouseBecameInactive);
+    }
+}