paulxstretch/deps/juce/extras/AudioPluginHost/Source/UI/GraphEditorPanel.cpp
essej 25bd5d8adb git subrepo clone --branch=sono6good https://github.com/essej/JUCE.git deps/juce
subrepo:
  subdir:   "deps/juce"
  merged:   "b13f9084e"
upstream:
  origin:   "https://github.com/essej/JUCE.git"
  branch:   "sono6good"
  commit:   "b13f9084e"
git-subrepo:
  version:  "0.4.3"
  origin:   "https://github.com/ingydotnet/git-subrepo.git"
  commit:   "2f68596"
2022-04-18 17:51:22 -04:00

1352 lines
43 KiB
C++

/*
==============================================================================
This file is part of the JUCE library.
Copyright (c) 2020 - Raw Material Software Limited
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 6 End-User License
Agreement and JUCE Privacy Policy (both effective as of the 16th June 2020).
End User License Agreement: www.juce.com/juce-6-licence
Privacy Policy: www.juce.com/juce-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.
==============================================================================
*/
#include <JuceHeader.h>
#include "GraphEditorPanel.h"
#include "../Plugins/InternalPlugins.h"
#include "MainHostWindow.h"
//==============================================================================
#if JUCE_IOS
class AUScanner
{
public:
AUScanner (KnownPluginList& list)
: knownPluginList (list), pool (5)
{
knownPluginList.clearBlacklistedFiles();
paths = formatToScan.getDefaultLocationsToSearch();
startScan();
}
private:
KnownPluginList& knownPluginList;
AudioUnitPluginFormat formatToScan;
std::unique_ptr<PluginDirectoryScanner> scanner;
FileSearchPath paths;
ThreadPool pool;
void startScan()
{
auto deadMansPedalFile = getAppProperties().getUserSettings()
->getFile().getSiblingFile ("RecentlyCrashedPluginsList");
scanner.reset (new PluginDirectoryScanner (knownPluginList, formatToScan, paths,
true, deadMansPedalFile, true));
for (int i = 5; --i >= 0;)
pool.addJob (new ScanJob (*this), true);
}
bool doNextScan()
{
String pluginBeingScanned;
if (scanner->scanNextFile (true, pluginBeingScanned))
return true;
return false;
}
struct ScanJob : public ThreadPoolJob
{
ScanJob (AUScanner& s) : ThreadPoolJob ("pluginscan"), scanner (s) {}
JobStatus runJob()
{
while (scanner.doNextScan() && ! shouldExit())
{}
return jobHasFinished;
}
AUScanner& scanner;
JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (ScanJob)
};
JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (AUScanner)
};
#endif
//==============================================================================
struct GraphEditorPanel::PinComponent : public Component,
public SettableTooltipClient
{
PinComponent (GraphEditorPanel& p, AudioProcessorGraph::NodeAndChannel pinToUse, bool isIn)
: panel (p), graph (p.graph), pin (pinToUse), isInput (isIn)
{
if (auto node = graph.graph.getNodeForId (pin.nodeID))
{
String tip;
if (pin.isMIDI())
{
tip = isInput ? "MIDI Input"
: "MIDI Output";
}
else
{
auto& processor = *node->getProcessor();
auto channel = processor.getOffsetInBusBufferForAbsoluteChannelIndex (isInput, pin.channelIndex, busIdx);
if (auto* bus = processor.getBus (isInput, busIdx))
tip = bus->getName() + ": " + AudioChannelSet::getAbbreviatedChannelTypeName (bus->getCurrentLayout().getTypeOfChannel (channel));
else
tip = (isInput ? "Main Input: "
: "Main Output: ") + String (pin.channelIndex + 1);
}
setTooltip (tip);
}
setSize (16, 16);
}
void paint (Graphics& g) override
{
auto w = (float) getWidth();
auto h = (float) getHeight();
Path p;
p.addEllipse (w * 0.25f, h * 0.25f, w * 0.5f, h * 0.5f);
p.addRectangle (w * 0.4f, isInput ? (0.5f * h) : 0.0f, w * 0.2f, h * 0.5f);
auto colour = (pin.isMIDI() ? Colours::red : Colours::green);
g.setColour (colour.withRotatedHue ((float) busIdx / 5.0f));
g.fillPath (p);
}
void mouseDown (const MouseEvent& e) override
{
AudioProcessorGraph::NodeAndChannel dummy { {}, 0 };
panel.beginConnectorDrag (isInput ? dummy : pin,
isInput ? pin : dummy,
e);
}
void mouseDrag (const MouseEvent& e) override
{
panel.dragConnector (e);
}
void mouseUp (const MouseEvent& e) override
{
panel.endDraggingConnector (e);
}
GraphEditorPanel& panel;
PluginGraph& graph;
AudioProcessorGraph::NodeAndChannel pin;
const bool isInput;
int busIdx = 0;
JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (PinComponent)
};
//==============================================================================
struct GraphEditorPanel::PluginComponent : public Component,
public Timer,
private AudioProcessorParameter::Listener,
private AsyncUpdater
{
PluginComponent (GraphEditorPanel& p, AudioProcessorGraph::NodeID id) : panel (p), graph (p.graph), pluginID (id)
{
shadow.setShadowProperties (DropShadow (Colours::black.withAlpha (0.5f), 3, { 0, 1 }));
setComponentEffect (&shadow);
if (auto f = graph.graph.getNodeForId (pluginID))
{
if (auto* processor = f->getProcessor())
{
if (auto* bypassParam = processor->getBypassParameter())
bypassParam->addListener (this);
}
}
setSize (150, 60);
}
PluginComponent (const PluginComponent&) = delete;
PluginComponent& operator= (const PluginComponent&) = delete;
~PluginComponent() override
{
if (auto f = graph.graph.getNodeForId (pluginID))
{
if (auto* processor = f->getProcessor())
{
if (auto* bypassParam = processor->getBypassParameter())
bypassParam->removeListener (this);
}
}
}
void mouseDown (const MouseEvent& e) override
{
originalPos = localPointToGlobal (Point<int>());
toFront (true);
if (isOnTouchDevice())
{
startTimer (750);
}
else
{
if (e.mods.isPopupMenu())
showPopupMenu();
}
}
void mouseDrag (const MouseEvent& e) override
{
if (isOnTouchDevice() && e.getDistanceFromDragStart() > 5)
stopTimer();
if (! e.mods.isPopupMenu())
{
auto pos = originalPos + e.getOffsetFromDragStart();
if (getParentComponent() != nullptr)
pos = getParentComponent()->getLocalPoint (nullptr, pos);
pos += getLocalBounds().getCentre();
graph.setNodePosition (pluginID,
{ pos.x / (double) getParentWidth(),
pos.y / (double) getParentHeight() });
panel.updateComponents();
}
}
void mouseUp (const MouseEvent& e) override
{
if (isOnTouchDevice())
{
stopTimer();
callAfterDelay (250, []() { PopupMenu::dismissAllActiveMenus(); });
}
if (e.mouseWasDraggedSinceMouseDown())
{
graph.setChangedFlag (true);
}
else if (e.getNumberOfClicks() == 2)
{
if (auto f = graph.graph.getNodeForId (pluginID))
if (auto* w = graph.getOrCreateWindowFor (f, PluginWindow::Type::normal))
w->toFront (true);
}
}
bool hitTest (int x, int y) override
{
for (auto* child : getChildren())
if (child->getBounds().contains (x, y))
return true;
return x >= 3 && x < getWidth() - 6 && y >= pinSize && y < getHeight() - pinSize;
}
void paint (Graphics& g) override
{
auto boxArea = getLocalBounds().reduced (4, pinSize);
bool isBypassed = false;
if (auto* f = graph.graph.getNodeForId (pluginID))
isBypassed = f->isBypassed();
auto boxColour = findColour (TextEditor::backgroundColourId);
if (isBypassed)
boxColour = boxColour.brighter();
g.setColour (boxColour);
g.fillRect (boxArea.toFloat());
g.setColour (findColour (TextEditor::textColourId));
g.setFont (font);
g.drawFittedText (getName(), boxArea, Justification::centred, 2);
}
void resized() override
{
if (auto f = graph.graph.getNodeForId (pluginID))
{
if (auto* processor = f->getProcessor())
{
for (auto* pin : pins)
{
const bool isInput = pin->isInput;
auto channelIndex = pin->pin.channelIndex;
int busIdx = 0;
processor->getOffsetInBusBufferForAbsoluteChannelIndex (isInput, channelIndex, busIdx);
const int total = isInput ? numIns : numOuts;
const int index = pin->pin.isMIDI() ? (total - 1) : channelIndex;
auto totalSpaces = static_cast<float> (total) + (static_cast<float> (jmax (0, processor->getBusCount (isInput) - 1)) * 0.5f);
auto indexPos = static_cast<float> (index) + (static_cast<float> (busIdx) * 0.5f);
pin->setBounds (proportionOfWidth ((1.0f + indexPos) / (totalSpaces + 1.0f)) - pinSize / 2,
pin->isInput ? 0 : (getHeight() - pinSize),
pinSize, pinSize);
}
}
}
}
Point<float> getPinPos (int index, bool isInput) const
{
for (auto* pin : pins)
if (pin->pin.channelIndex == index && isInput == pin->isInput)
return getPosition().toFloat() + pin->getBounds().getCentre().toFloat();
return {};
}
void update()
{
const AudioProcessorGraph::Node::Ptr f (graph.graph.getNodeForId (pluginID));
jassert (f != nullptr);
auto& processor = *f->getProcessor();
numIns = processor.getTotalNumInputChannels();
if (processor.acceptsMidi())
++numIns;
numOuts = processor.getTotalNumOutputChannels();
if (processor.producesMidi())
++numOuts;
int w = 100;
int h = 60;
w = jmax (w, (jmax (numIns, numOuts) + 1) * 20);
const int textWidth = font.getStringWidth (processor.getName());
w = jmax (w, 16 + jmin (textWidth, 300));
if (textWidth > 300)
h = 100;
setSize (w, h);
setName (processor.getName() + formatSuffix);
{
auto p = graph.getNodePosition (pluginID);
setCentreRelative ((float) p.x, (float) p.y);
}
if (numIns != numInputs || numOuts != numOutputs)
{
numInputs = numIns;
numOutputs = numOuts;
pins.clear();
for (int i = 0; i < processor.getTotalNumInputChannels(); ++i)
addAndMakeVisible (pins.add (new PinComponent (panel, { pluginID, i }, true)));
if (processor.acceptsMidi())
addAndMakeVisible (pins.add (new PinComponent (panel, { pluginID, AudioProcessorGraph::midiChannelIndex }, true)));
for (int i = 0; i < processor.getTotalNumOutputChannels(); ++i)
addAndMakeVisible (pins.add (new PinComponent (panel, { pluginID, i }, false)));
if (processor.producesMidi())
addAndMakeVisible (pins.add (new PinComponent (panel, { pluginID, AudioProcessorGraph::midiChannelIndex }, false)));
resized();
}
}
AudioProcessor* getProcessor() const
{
if (auto node = graph.graph.getNodeForId (pluginID))
return node->getProcessor();
return {};
}
void showPopupMenu()
{
menu.reset (new PopupMenu);
menu->addItem (1, "Delete this filter");
menu->addItem (2, "Disconnect all pins");
menu->addItem (3, "Toggle Bypass");
menu->addSeparator();
if (getProcessor()->hasEditor())
menu->addItem (10, "Show plugin GUI");
menu->addItem (11, "Show all programs");
menu->addItem (12, "Show all parameters");
menu->addItem (13, "Show debug log");
if (autoScaleOptionAvailable)
addPluginAutoScaleOptionsSubMenu (dynamic_cast<AudioPluginInstance*> (getProcessor()), *menu);
menu->addSeparator();
menu->addItem (20, "Configure Audio I/O");
menu->addItem (21, "Test state save/load");
menu->showMenuAsync ({}, ModalCallbackFunction::create
([this] (int r) {
switch (r)
{
case 1: graph.graph.removeNode (pluginID); break;
case 2: graph.graph.disconnectNode (pluginID); break;
case 3:
{
if (auto* node = graph.graph.getNodeForId (pluginID))
node->setBypassed (! node->isBypassed());
repaint();
break;
}
case 10: showWindow (PluginWindow::Type::normal); break;
case 11: showWindow (PluginWindow::Type::programs); break;
case 12: showWindow (PluginWindow::Type::generic) ; break;
case 13: showWindow (PluginWindow::Type::debug); break;
case 20: showWindow (PluginWindow::Type::audioIO); break;
case 21: testStateSaveLoad(); break;
default: break;
}
}));
}
void testStateSaveLoad()
{
if (auto* processor = getProcessor())
{
MemoryBlock state;
processor->getStateInformation (state);
processor->setStateInformation (state.getData(), (int) state.getSize());
}
}
void showWindow (PluginWindow::Type type)
{
if (auto node = graph.graph.getNodeForId (pluginID))
if (auto* w = graph.getOrCreateWindowFor (node, type))
w->toFront (true);
}
void timerCallback() override
{
// this should only be called on touch devices
jassert (isOnTouchDevice());
stopTimer();
showPopupMenu();
}
void parameterValueChanged (int, float) override
{
// Parameter changes might come from the audio thread or elsewhere, but
// we can only call repaint from the message thread.
triggerAsyncUpdate();
}
void parameterGestureChanged (int, bool) override {}
void handleAsyncUpdate() override { repaint(); }
GraphEditorPanel& panel;
PluginGraph& graph;
const AudioProcessorGraph::NodeID pluginID;
OwnedArray<PinComponent> pins;
int numInputs = 0, numOutputs = 0;
int pinSize = 16;
Point<int> originalPos;
Font font { 13.0f, Font::bold };
int numIns = 0, numOuts = 0;
DropShadowEffect shadow;
std::unique_ptr<PopupMenu> menu;
const String formatSuffix = getFormatSuffix (getProcessor());
};
//==============================================================================
struct GraphEditorPanel::ConnectorComponent : public Component,
public SettableTooltipClient
{
explicit ConnectorComponent (GraphEditorPanel& p)
: panel (p), graph (p.graph)
{
setAlwaysOnTop (true);
}
void setInput (AudioProcessorGraph::NodeAndChannel newSource)
{
if (connection.source != newSource)
{
connection.source = newSource;
update();
}
}
void setOutput (AudioProcessorGraph::NodeAndChannel newDest)
{
if (connection.destination != newDest)
{
connection.destination = newDest;
update();
}
}
void dragStart (Point<float> pos)
{
lastInputPos = pos;
resizeToFit();
}
void dragEnd (Point<float> pos)
{
lastOutputPos = pos;
resizeToFit();
}
void update()
{
Point<float> p1, p2;
getPoints (p1, p2);
if (lastInputPos != p1 || lastOutputPos != p2)
resizeToFit();
}
void resizeToFit()
{
Point<float> p1, p2;
getPoints (p1, p2);
auto newBounds = Rectangle<float> (p1, p2).expanded (4.0f).getSmallestIntegerContainer();
if (newBounds != getBounds())
setBounds (newBounds);
else
resized();
repaint();
}
void getPoints (Point<float>& p1, Point<float>& p2) const
{
p1 = lastInputPos;
p2 = lastOutputPos;
if (auto* src = panel.getComponentForPlugin (connection.source.nodeID))
p1 = src->getPinPos (connection.source.channelIndex, false);
if (auto* dest = panel.getComponentForPlugin (connection.destination.nodeID))
p2 = dest->getPinPos (connection.destination.channelIndex, true);
}
void paint (Graphics& g) override
{
if (connection.source.isMIDI() || connection.destination.isMIDI())
g.setColour (Colours::red);
else
g.setColour (Colours::green);
g.fillPath (linePath);
}
bool hitTest (int x, int y) override
{
auto pos = Point<int> (x, y).toFloat();
if (hitPath.contains (pos))
{
double distanceFromStart, distanceFromEnd;
getDistancesFromEnds (pos, distanceFromStart, distanceFromEnd);
// avoid clicking the connector when over a pin
return distanceFromStart > 7.0 && distanceFromEnd > 7.0;
}
return false;
}
void mouseDown (const MouseEvent&) override
{
dragging = false;
}
void mouseDrag (const MouseEvent& e) override
{
if (dragging)
{
panel.dragConnector (e);
}
else if (e.mouseWasDraggedSinceMouseDown())
{
dragging = true;
graph.graph.removeConnection (connection);
double distanceFromStart, distanceFromEnd;
getDistancesFromEnds (getPosition().toFloat() + e.position, distanceFromStart, distanceFromEnd);
const bool isNearerSource = (distanceFromStart < distanceFromEnd);
AudioProcessorGraph::NodeAndChannel dummy { {}, 0 };
panel.beginConnectorDrag (isNearerSource ? dummy : connection.source,
isNearerSource ? connection.destination : dummy,
e);
}
}
void mouseUp (const MouseEvent& e) override
{
if (dragging)
panel.endDraggingConnector (e);
}
void resized() override
{
Point<float> p1, p2;
getPoints (p1, p2);
lastInputPos = p1;
lastOutputPos = p2;
p1 -= getPosition().toFloat();
p2 -= getPosition().toFloat();
linePath.clear();
linePath.startNewSubPath (p1);
linePath.cubicTo (p1.x, p1.y + (p2.y - p1.y) * 0.33f,
p2.x, p1.y + (p2.y - p1.y) * 0.66f,
p2.x, p2.y);
PathStrokeType wideStroke (8.0f);
wideStroke.createStrokedPath (hitPath, linePath);
PathStrokeType stroke (2.5f);
stroke.createStrokedPath (linePath, linePath);
auto arrowW = 5.0f;
auto arrowL = 4.0f;
Path arrow;
arrow.addTriangle (-arrowL, arrowW,
-arrowL, -arrowW,
arrowL, 0.0f);
arrow.applyTransform (AffineTransform()
.rotated (MathConstants<float>::halfPi - (float) atan2 (p2.x - p1.x, p2.y - p1.y))
.translated ((p1 + p2) * 0.5f));
linePath.addPath (arrow);
linePath.setUsingNonZeroWinding (true);
}
void getDistancesFromEnds (Point<float> p, double& distanceFromStart, double& distanceFromEnd) const
{
Point<float> p1, p2;
getPoints (p1, p2);
distanceFromStart = p1.getDistanceFrom (p);
distanceFromEnd = p2.getDistanceFrom (p);
}
GraphEditorPanel& panel;
PluginGraph& graph;
AudioProcessorGraph::Connection connection { { {}, 0 }, { {}, 0 } };
Point<float> lastInputPos, lastOutputPos;
Path linePath, hitPath;
bool dragging = false;
JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (ConnectorComponent)
};
//==============================================================================
GraphEditorPanel::GraphEditorPanel (PluginGraph& g) : graph (g)
{
graph.addChangeListener (this);
setOpaque (true);
}
GraphEditorPanel::~GraphEditorPanel()
{
graph.removeChangeListener (this);
draggingConnector = nullptr;
nodes.clear();
connectors.clear();
}
void GraphEditorPanel::paint (Graphics& g)
{
g.fillAll (getLookAndFeel().findColour (ResizableWindow::backgroundColourId));
}
void GraphEditorPanel::mouseDown (const MouseEvent& e)
{
if (isOnTouchDevice())
{
originalTouchPos = e.position.toInt();
startTimer (750);
}
if (e.mods.isPopupMenu())
showPopupMenu (e.position.toInt());
}
void GraphEditorPanel::mouseUp (const MouseEvent&)
{
if (isOnTouchDevice())
{
stopTimer();
callAfterDelay (250, []() { PopupMenu::dismissAllActiveMenus(); });
}
}
void GraphEditorPanel::mouseDrag (const MouseEvent& e)
{
if (isOnTouchDevice() && e.getDistanceFromDragStart() > 5)
stopTimer();
}
void GraphEditorPanel::createNewPlugin (const PluginDescription& desc, Point<int> position)
{
graph.addPlugin (desc, position.toDouble() / Point<double> ((double) getWidth(), (double) getHeight()));
}
GraphEditorPanel::PluginComponent* GraphEditorPanel::getComponentForPlugin (AudioProcessorGraph::NodeID nodeID) const
{
for (auto* fc : nodes)
if (fc->pluginID == nodeID)
return fc;
return nullptr;
}
GraphEditorPanel::ConnectorComponent* GraphEditorPanel::getComponentForConnection (const AudioProcessorGraph::Connection& conn) const
{
for (auto* cc : connectors)
if (cc->connection == conn)
return cc;
return nullptr;
}
GraphEditorPanel::PinComponent* GraphEditorPanel::findPinAt (Point<float> pos) const
{
for (auto* fc : nodes)
{
// NB: A Visual Studio optimiser error means we have to put this Component* in a local
// variable before trying to cast it, or it gets mysteriously optimised away..
auto* comp = fc->getComponentAt (pos.toInt() - fc->getPosition());
if (auto* pin = dynamic_cast<PinComponent*> (comp))
return pin;
}
return nullptr;
}
void GraphEditorPanel::resized()
{
updateComponents();
}
void GraphEditorPanel::changeListenerCallback (ChangeBroadcaster*)
{
updateComponents();
}
void GraphEditorPanel::updateComponents()
{
for (int i = nodes.size(); --i >= 0;)
if (graph.graph.getNodeForId (nodes.getUnchecked(i)->pluginID) == nullptr)
nodes.remove (i);
for (int i = connectors.size(); --i >= 0;)
if (! graph.graph.isConnected (connectors.getUnchecked(i)->connection))
connectors.remove (i);
for (auto* fc : nodes)
fc->update();
for (auto* cc : connectors)
cc->update();
for (auto* f : graph.graph.getNodes())
{
if (getComponentForPlugin (f->nodeID) == nullptr)
{
auto* comp = nodes.add (new PluginComponent (*this, f->nodeID));
addAndMakeVisible (comp);
comp->update();
}
}
for (auto& c : graph.graph.getConnections())
{
if (getComponentForConnection (c) == nullptr)
{
auto* comp = connectors.add (new ConnectorComponent (*this));
addAndMakeVisible (comp);
comp->setInput (c.source);
comp->setOutput (c.destination);
}
}
}
void GraphEditorPanel::showPopupMenu (Point<int> mousePos)
{
menu.reset (new PopupMenu);
if (auto* mainWindow = findParentComponentOfClass<MainHostWindow>())
{
mainWindow->addPluginsToMenu (*menu);
menu->showMenuAsync ({},
ModalCallbackFunction::create ([this, mousePos] (int r)
{
if (r > 0)
if (auto* mainWin = findParentComponentOfClass<MainHostWindow>())
createNewPlugin (mainWin->getChosenType (r), mousePos);
}));
}
}
void GraphEditorPanel::beginConnectorDrag (AudioProcessorGraph::NodeAndChannel source,
AudioProcessorGraph::NodeAndChannel dest,
const MouseEvent& e)
{
auto* c = dynamic_cast<ConnectorComponent*> (e.originalComponent);
connectors.removeObject (c, false);
draggingConnector.reset (c);
if (draggingConnector == nullptr)
draggingConnector.reset (new ConnectorComponent (*this));
draggingConnector->setInput (source);
draggingConnector->setOutput (dest);
addAndMakeVisible (draggingConnector.get());
draggingConnector->toFront (false);
dragConnector (e);
}
void GraphEditorPanel::dragConnector (const MouseEvent& e)
{
auto e2 = e.getEventRelativeTo (this);
if (draggingConnector != nullptr)
{
draggingConnector->setTooltip ({});
auto pos = e2.position;
if (auto* pin = findPinAt (pos))
{
auto connection = draggingConnector->connection;
if (connection.source.nodeID == AudioProcessorGraph::NodeID() && ! pin->isInput)
{
connection.source = pin->pin;
}
else if (connection.destination.nodeID == AudioProcessorGraph::NodeID() && pin->isInput)
{
connection.destination = pin->pin;
}
if (graph.graph.canConnect (connection))
{
pos = (pin->getParentComponent()->getPosition() + pin->getBounds().getCentre()).toFloat();
draggingConnector->setTooltip (pin->getTooltip());
}
}
if (draggingConnector->connection.source.nodeID == AudioProcessorGraph::NodeID())
draggingConnector->dragStart (pos);
else
draggingConnector->dragEnd (pos);
}
}
void GraphEditorPanel::endDraggingConnector (const MouseEvent& e)
{
if (draggingConnector == nullptr)
return;
draggingConnector->setTooltip ({});
auto e2 = e.getEventRelativeTo (this);
auto connection = draggingConnector->connection;
draggingConnector = nullptr;
if (auto* pin = findPinAt (e2.position))
{
if (connection.source.nodeID == AudioProcessorGraph::NodeID())
{
if (pin->isInput)
return;
connection.source = pin->pin;
}
else
{
if (! pin->isInput)
return;
connection.destination = pin->pin;
}
graph.graph.addConnection (connection);
}
}
void GraphEditorPanel::timerCallback()
{
// this should only be called on touch devices
jassert (isOnTouchDevice());
stopTimer();
showPopupMenu (originalTouchPos);
}
//==============================================================================
struct GraphDocumentComponent::TooltipBar : public Component,
private Timer
{
TooltipBar()
{
startTimer (100);
}
void paint (Graphics& g) override
{
g.setFont (Font ((float) getHeight() * 0.7f, Font::bold));
g.setColour (Colours::black);
g.drawFittedText (tip, 10, 0, getWidth() - 12, getHeight(), Justification::centredLeft, 1);
}
void timerCallback() override
{
String newTip;
if (auto* underMouse = Desktop::getInstance().getMainMouseSource().getComponentUnderMouse())
if (auto* ttc = dynamic_cast<TooltipClient*> (underMouse))
if (! (underMouse->isMouseButtonDown() || underMouse->isCurrentlyBlockedByAnotherModalComponent()))
newTip = ttc->getTooltip();
if (newTip != tip)
{
tip = newTip;
repaint();
}
}
String tip;
JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (TooltipBar)
};
//==============================================================================
class GraphDocumentComponent::TitleBarComponent : public Component,
private Button::Listener
{
public:
explicit TitleBarComponent (GraphDocumentComponent& graphDocumentComponent)
: owner (graphDocumentComponent)
{
static const unsigned char burgerMenuPathData[]
= { 110,109,0,0,128,64,0,0,32,65,108,0,0,224,65,0,0,32,65,98,254,212,232,65,0,0,32,65,0,0,240,65,252,
169,17,65,0,0,240,65,0,0,0,65,98,0,0,240,65,8,172,220,64,254,212,232,65,0,0,192,64,0,0,224,65,0,0,
192,64,108,0,0,128,64,0,0,192,64,98,16,88,57,64,0,0,192,64,0,0,0,64,8,172,220,64,0,0,0,64,0,0,0,65,
98,0,0,0,64,252,169,17,65,16,88,57,64,0,0,32,65,0,0,128,64,0,0,32,65,99,109,0,0,224,65,0,0,96,65,108,
0,0,128,64,0,0,96,65,98,16,88,57,64,0,0,96,65,0,0,0,64,4,86,110,65,0,0,0,64,0,0,128,65,98,0,0,0,64,
254,212,136,65,16,88,57,64,0,0,144,65,0,0,128,64,0,0,144,65,108,0,0,224,65,0,0,144,65,98,254,212,232,
65,0,0,144,65,0,0,240,65,254,212,136,65,0,0,240,65,0,0,128,65,98,0,0,240,65,4,86,110,65,254,212,232,
65,0,0,96,65,0,0,224,65,0,0,96,65,99,109,0,0,224,65,0,0,176,65,108,0,0,128,64,0,0,176,65,98,16,88,57,
64,0,0,176,65,0,0,0,64,2,43,183,65,0,0,0,64,0,0,192,65,98,0,0,0,64,254,212,200,65,16,88,57,64,0,0,208,
65,0,0,128,64,0,0,208,65,108,0,0,224,65,0,0,208,65,98,254,212,232,65,0,0,208,65,0,0,240,65,254,212,
200,65,0,0,240,65,0,0,192,65,98,0,0,240,65,2,43,183,65,254,212,232,65,0,0,176,65,0,0,224,65,0,0,176,
65,99,101,0,0 };
static const unsigned char pluginListPathData[]
= { 110,109,193,202,222,64,80,50,21,64,108,0,0,48,65,0,0,0,0,108,160,154,112,65,80,50,21,64,108,0,0,48,65,80,
50,149,64,108,193,202,222,64,80,50,21,64,99,109,0,0,192,64,251,220,127,64,108,160,154,32,65,165,135,202,
64,108,160,154,32,65,250,220,47,65,108,0,0,192,64,102,144,10,65,108,0,0,192,64,251,220,127,64,99,109,0,0,
128,65,251,220,127,64,108,0,0,128,65,103,144,10,65,108,96,101,63,65,251,220,47,65,108,96,101,63,65,166,135,
202,64,108,0,0,128,65,251,220,127,64,99,109,96,101,79,65,148,76,69,65,108,0,0,136,65,0,0,32,65,108,80,
77,168,65,148,76,69,65,108,0,0,136,65,40,153,106,65,108,96,101,79,65,148,76,69,65,99,109,0,0,64,65,63,247,
95,65,108,80,77,128,65,233,161,130,65,108,80,77,128,65,125,238,167,65,108,0,0,64,65,51,72,149,65,108,0,0,64,
65,63,247,95,65,99,109,0,0,176,65,63,247,95,65,108,0,0,176,65,51,72,149,65,108,176,178,143,65,125,238,167,65,
108,176,178,143,65,233,161,130,65,108,0,0,176,65,63,247,95,65,99,109,12,86,118,63,148,76,69,65,108,0,0,160,
64,0,0,32,65,108,159,154,16,65,148,76,69,65,108,0,0,160,64,40,153,106,65,108,12,86,118,63,148,76,69,65,99,
109,0,0,0,0,63,247,95,65,108,62,53,129,64,233,161,130,65,108,62,53,129,64,125,238,167,65,108,0,0,0,0,51,
72,149,65,108,0,0,0,0,63,247,95,65,99,109,0,0,32,65,63,247,95,65,108,0,0,32,65,51,72,149,65,108,193,202,190,
64,125,238,167,65,108,193,202,190,64,233,161,130,65,108,0,0,32,65,63,247,95,65,99,101,0,0 };
{
Path p;
p.loadPathFromData (burgerMenuPathData, sizeof (burgerMenuPathData));
burgerButton.setShape (p, true, true, false);
}
{
Path p;
p.loadPathFromData (pluginListPathData, sizeof (pluginListPathData));
pluginButton.setShape (p, true, true, false);
}
burgerButton.addListener (this);
addAndMakeVisible (burgerButton);
pluginButton.addListener (this);
addAndMakeVisible (pluginButton);
titleLabel.setJustificationType (Justification::centredLeft);
addAndMakeVisible (titleLabel);
setOpaque (true);
}
private:
void paint (Graphics& g) override
{
auto titleBarBackgroundColour = getLookAndFeel().findColour (ResizableWindow::backgroundColourId).darker();
g.setColour (titleBarBackgroundColour);
g.fillRect (getLocalBounds());
}
void resized() override
{
auto r = getLocalBounds();
burgerButton.setBounds (r.removeFromLeft (40).withSizeKeepingCentre (20, 20));
pluginButton.setBounds (r.removeFromRight (40).withSizeKeepingCentre (20, 20));
titleLabel.setFont (Font (static_cast<float> (getHeight()) * 0.5f, Font::plain));
titleLabel.setBounds (r);
}
void buttonClicked (Button* b) override
{
owner.showSidePanel (b == &burgerButton);
}
GraphDocumentComponent& owner;
Label titleLabel {"titleLabel", "Plugin Host"};
ShapeButton burgerButton {"burgerButton", Colours::lightgrey, Colours::lightgrey, Colours::white};
ShapeButton pluginButton {"pluginButton", Colours::lightgrey, Colours::lightgrey, Colours::white};
JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (TitleBarComponent)
};
//==============================================================================
struct GraphDocumentComponent::PluginListBoxModel : public ListBoxModel,
public ChangeListener,
public MouseListener
{
PluginListBoxModel (ListBox& lb, KnownPluginList& kpl)
: owner (lb),
knownPlugins (kpl)
{
knownPlugins.addChangeListener (this);
owner.addMouseListener (this, true);
#if JUCE_IOS
scanner.reset (new AUScanner (knownPlugins));
#endif
}
int getNumRows() override
{
return knownPlugins.getNumTypes();
}
void paintListBoxItem (int rowNumber, Graphics& g,
int width, int height, bool rowIsSelected) override
{
g.fillAll (rowIsSelected ? Colour (0xff42A2C8)
: Colour (0xff263238));
g.setColour (rowIsSelected ? Colours::black : Colours::white);
if (rowNumber < knownPlugins.getNumTypes())
g.drawFittedText (knownPlugins.getTypes()[rowNumber].name, { 0, 0, width, height - 2 }, Justification::centred, 1);
g.setColour (Colours::black.withAlpha (0.4f));
g.drawRect (0, height - 1, width, 1);
}
var getDragSourceDescription (const SparseSet<int>& selectedRows) override
{
if (! isOverSelectedRow)
return var();
return String ("PLUGIN: " + String (selectedRows[0]));
}
void changeListenerCallback (ChangeBroadcaster*) override
{
owner.updateContent();
}
void mouseDown (const MouseEvent& e) override
{
isOverSelectedRow = owner.getRowPosition (owner.getSelectedRow(), true)
.contains (e.getEventRelativeTo (&owner).getMouseDownPosition());
}
ListBox& owner;
KnownPluginList& knownPlugins;
bool isOverSelectedRow = false;
#if JUCE_IOS
std::unique_ptr<AUScanner> scanner;
#endif
JUCE_DECLARE_NON_COPYABLE (PluginListBoxModel)
};
//==============================================================================
GraphDocumentComponent::GraphDocumentComponent (AudioPluginFormatManager& fm,
AudioDeviceManager& dm,
KnownPluginList& kpl)
: graph (new PluginGraph (fm, kpl)),
deviceManager (dm),
pluginList (kpl),
graphPlayer (getAppProperties().getUserSettings()->getBoolValue ("doublePrecisionProcessing", false))
{
init();
deviceManager.addChangeListener (graphPanel.get());
deviceManager.addAudioCallback (&graphPlayer);
deviceManager.addMidiInputDeviceCallback ({}, &graphPlayer.getMidiMessageCollector());
deviceManager.addChangeListener (this);
}
void GraphDocumentComponent::init()
{
updateMidiOutput();
graphPanel.reset (new GraphEditorPanel (*graph));
addAndMakeVisible (graphPanel.get());
graphPlayer.setProcessor (&graph->graph);
keyState.addListener (&graphPlayer.getMidiMessageCollector());
keyboardComp.reset (new MidiKeyboardComponent (keyState, MidiKeyboardComponent::horizontalKeyboard));
addAndMakeVisible (keyboardComp.get());
statusBar.reset (new TooltipBar());
addAndMakeVisible (statusBar.get());
graphPanel->updateComponents();
if (isOnTouchDevice())
{
titleBarComponent.reset (new TitleBarComponent (*this));
addAndMakeVisible (titleBarComponent.get());
pluginListBoxModel.reset (new PluginListBoxModel (pluginListBox, pluginList));
pluginListBox.setModel (pluginListBoxModel.get());
pluginListBox.setRowHeight (40);
pluginListSidePanel.setContent (&pluginListBox, false);
mobileSettingsSidePanel.setContent (new AudioDeviceSelectorComponent (deviceManager,
0, 2, 0, 2,
true, true, true, false));
addAndMakeVisible (pluginListSidePanel);
addAndMakeVisible (mobileSettingsSidePanel);
}
}
GraphDocumentComponent::~GraphDocumentComponent()
{
if (midiOutput != nullptr)
midiOutput->stopBackgroundThread();
releaseGraph();
keyState.removeListener (&graphPlayer.getMidiMessageCollector());
}
void GraphDocumentComponent::resized()
{
auto r = [this]
{
auto bounds = getLocalBounds();
if (auto* display = Desktop::getInstance().getDisplays().getDisplayForRect (getScreenBounds()))
return display->safeAreaInsets.subtractedFrom (bounds);
return bounds;
}();
const int titleBarHeight = 40;
const int keysHeight = 60;
const int statusHeight = 20;
if (isOnTouchDevice())
titleBarComponent->setBounds (r.removeFromTop(titleBarHeight));
keyboardComp->setBounds (r.removeFromBottom (keysHeight));
statusBar->setBounds (r.removeFromBottom (statusHeight));
graphPanel->setBounds (r);
checkAvailableWidth();
}
void GraphDocumentComponent::createNewPlugin (const PluginDescription& desc, Point<int> pos)
{
graphPanel->createNewPlugin (desc, pos);
}
void GraphDocumentComponent::unfocusKeyboardComponent()
{
keyboardComp->unfocusAllComponents();
}
void GraphDocumentComponent::releaseGraph()
{
deviceManager.removeAudioCallback (&graphPlayer);
deviceManager.removeMidiInputDeviceCallback ({}, &graphPlayer.getMidiMessageCollector());
if (graphPanel != nullptr)
{
deviceManager.removeChangeListener (graphPanel.get());
graphPanel = nullptr;
}
keyboardComp = nullptr;
statusBar = nullptr;
graphPlayer.setProcessor (nullptr);
graph = nullptr;
}
bool GraphDocumentComponent::isInterestedInDragSource (const SourceDetails& details)
{
return ((dynamic_cast<ListBox*> (details.sourceComponent.get()) != nullptr)
&& details.description.toString().startsWith ("PLUGIN"));
}
void GraphDocumentComponent::itemDropped (const SourceDetails& details)
{
// don't allow items to be dropped behind the sidebar
if (pluginListSidePanel.getBounds().contains (details.localPosition))
return;
auto pluginTypeIndex = details.description.toString()
.fromFirstOccurrenceOf ("PLUGIN: ", false, false)
.getIntValue();
// must be a valid index!
jassert (isPositiveAndBelow (pluginTypeIndex, pluginList.getNumTypes()));
createNewPlugin (pluginList.getTypes()[pluginTypeIndex], details.localPosition);
}
void GraphDocumentComponent::showSidePanel (bool showSettingsPanel)
{
if (showSettingsPanel)
mobileSettingsSidePanel.showOrHide (true);
else
pluginListSidePanel.showOrHide (true);
checkAvailableWidth();
lastOpenedSidePanel = showSettingsPanel ? &mobileSettingsSidePanel
: &pluginListSidePanel;
}
void GraphDocumentComponent::hideLastSidePanel()
{
if (lastOpenedSidePanel != nullptr)
lastOpenedSidePanel->showOrHide (false);
if (mobileSettingsSidePanel.isPanelShowing()) lastOpenedSidePanel = &mobileSettingsSidePanel;
else if (pluginListSidePanel.isPanelShowing()) lastOpenedSidePanel = &pluginListSidePanel;
else lastOpenedSidePanel = nullptr;
}
void GraphDocumentComponent::checkAvailableWidth()
{
if (mobileSettingsSidePanel.isPanelShowing() && pluginListSidePanel.isPanelShowing())
{
if (getWidth() - (mobileSettingsSidePanel.getWidth() + pluginListSidePanel.getWidth()) < 150)
hideLastSidePanel();
}
}
void GraphDocumentComponent::setDoublePrecision (bool doublePrecision)
{
graphPlayer.setDoublePrecisionProcessing (doublePrecision);
}
bool GraphDocumentComponent::closeAnyOpenPluginWindows()
{
return graphPanel->graph.closeAnyOpenPluginWindows();
}
void GraphDocumentComponent::changeListenerCallback (ChangeBroadcaster*)
{
updateMidiOutput();
}
void GraphDocumentComponent::updateMidiOutput()
{
auto* defaultMidiOutput = deviceManager.getDefaultMidiOutput();
if (midiOutput != defaultMidiOutput)
{
midiOutput = defaultMidiOutput;
if (midiOutput != nullptr)
midiOutput->startBackgroundThread();
graphPlayer.setMidiOutput (midiOutput);
}
}