mirror of
https://github.com/juce-framework/JUCE.git
synced 2026-01-10 23:44:24 +00:00
53 lines
1.9 KiB
C++
53 lines
1.9 KiB
C++
/*
|
|
==============================================================================
|
|
|
|
This file is part of the JUCE library.
|
|
Copyright (c) 2016 - ROLI 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.
|
|
|
|
==============================================================================
|
|
*/
|
|
|
|
|
|
/** Base class for an entity that provides access to a blocks topology. */
|
|
class TopologySource
|
|
{
|
|
public:
|
|
//==========================================================================
|
|
/** Destructor. */
|
|
virtual ~TopologySource() {}
|
|
|
|
/** Returns the current topology that this object manages. */
|
|
virtual BlockTopology getCurrentTopology() const = 0;
|
|
|
|
//==========================================================================
|
|
struct Listener
|
|
{
|
|
virtual ~Listener() {}
|
|
virtual void topologyChanged() = 0;
|
|
};
|
|
|
|
void addListener (Listener* l) { listeners.add (l); }
|
|
void removeListener (Listener* l) { listeners.remove (l); }
|
|
|
|
/** Invoke this to force touches-off on all physical devices. */
|
|
virtual void cancelAllActiveTouches() noexcept {}
|
|
|
|
protected:
|
|
//==========================================================================
|
|
juce::ListenerList<Listener> listeners;
|
|
};
|