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JUCE/extras/audio plugin host/Source/GraphEditorPanel.h

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C++

/*
==============================================================================
This file is part of the JUCE library - "Jules' Utility Class Extensions"
Copyright 2004-9 by Raw Material Software Ltd.
------------------------------------------------------------------------------
JUCE can be redistributed and/or modified under the terms of the GNU General
Public License (Version 2), as published by the Free Software Foundation.
A copy of the license is included in the JUCE distribution, or can be found
online 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.rawmaterialsoftware.com/juce for more information.
==============================================================================
*/
#ifndef __JUCE_FILTERGRAPHEDITOR_JUCEHEADER__
#define __JUCE_FILTERGRAPHEDITOR_JUCEHEADER__
#include "FilterGraph.h"
class FilterComponent;
class ConnectorComponent;
class PinComponent;
//==============================================================================
/**
A panel that displays and edits a FilterGraph.
*/
class GraphEditorPanel : public Component,
public ChangeListener
{
public:
GraphEditorPanel (FilterGraph& graph);
~GraphEditorPanel();
void paint (Graphics& g);
void mouseDown (const MouseEvent& e);
void createNewPlugin (const PluginDescription* desc, int x, int y);
FilterComponent* getComponentForFilter (const uint32 filterID) const;
ConnectorComponent* getComponentForConnection (const AudioProcessorGraph::Connection& conn) const;
PinComponent* findPinAt (const int x, const int y) const;
void resized();
void changeListenerCallback (ChangeBroadcaster*);
void updateComponents();
//==============================================================================
void beginConnectorDrag (const uint32 sourceFilterID, const int sourceFilterChannel,
const uint32 destFilterID, const int destFilterChannel,
const MouseEvent& e);
void dragConnector (const MouseEvent& e);
void endDraggingConnector (const MouseEvent& e);
//==============================================================================
private:
FilterGraph& graph;
ScopedPointer<ConnectorComponent> draggingConnector;
JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (GraphEditorPanel);
};
//==============================================================================
/**
A panel that embeds a GraphEditorPanel with a midi keyboard at the bottom.
It also manages the graph itself, and plays it.
*/
class GraphDocumentComponent : public Component
{
public:
//==============================================================================
GraphDocumentComponent (AudioPluginFormatManager& formatManager,
AudioDeviceManager* deviceManager);
~GraphDocumentComponent();
//==============================================================================
void createNewPlugin (const PluginDescription* desc, int x, int y);
//==============================================================================
FilterGraph graph;
//==============================================================================
void resized();
private:
//==============================================================================
AudioDeviceManager* deviceManager;
AudioProcessorPlayer graphPlayer;
MidiKeyboardState keyState;
GraphEditorPanel* graphPanel;
Component* keyboardComp;
Component* statusBar;
JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (GraphDocumentComponent);
};
//==============================================================================
/** A desktop window containing a plugin's UI.
*/
class PluginWindow : public DocumentWindow
{
PluginWindow (Component* const uiComp,
AudioProcessorGraph::Node* owner_,
const bool isGeneric_);
public:
static PluginWindow* getWindowFor (AudioProcessorGraph::Node* node,
bool useGenericView);
static void closeCurrentlyOpenWindowsFor (const uint32 nodeId);
static void closeAllCurrentlyOpenWindows();
~PluginWindow();
void moved();
void closeButtonPressed();
private:
AudioProcessorGraph::Node* owner;
bool isGeneric;
};
#endif