mirror of
https://github.com/juce-framework/JUCE.git
synced 2026-01-15 00:24:19 +00:00
76 lines
2 KiB
C++
76 lines
2 KiB
C++
/*
|
|
==============================================================================
|
|
|
|
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.
|
|
|
|
==============================================================================
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
template <typename IDType>
|
|
class MultiTouchMapper
|
|
{
|
|
public:
|
|
MultiTouchMapper() {}
|
|
|
|
int getIndexOfTouch (IDType touchID)
|
|
{
|
|
jassert (touchID != 0); // need to rethink this if IDs can be 0!
|
|
|
|
int touchIndex = currentTouches.indexOf (touchID);
|
|
|
|
if (touchIndex < 0)
|
|
{
|
|
for (touchIndex = 0; touchIndex < currentTouches.size(); ++touchIndex)
|
|
if (currentTouches.getUnchecked (touchIndex) == 0)
|
|
break;
|
|
|
|
currentTouches.set (touchIndex, touchID);
|
|
}
|
|
|
|
return touchIndex;
|
|
}
|
|
|
|
void clear()
|
|
{
|
|
currentTouches.clear();
|
|
}
|
|
|
|
void clearTouch (int index)
|
|
{
|
|
currentTouches.set (index, 0);
|
|
}
|
|
|
|
bool areAnyTouchesActive() const noexcept
|
|
{
|
|
for (int i = currentTouches.size(); --i >= 0;)
|
|
if (currentTouches.getUnchecked(i) != 0)
|
|
return true;
|
|
|
|
return false;
|
|
}
|
|
|
|
private:
|
|
Array<IDType> currentTouches;
|
|
|
|
JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (MultiTouchMapper)
|
|
};
|