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"
This commit is contained in:
essej
422
deps/juce/extras/NetworkGraphicsDemo/Source/MasterComponent.h
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deps/juce/extras/NetworkGraphicsDemo/Source/MasterComponent.h
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/*
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==============================================================================
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This file is part of the JUCE library.
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Copyright (c) 2020 - Raw Material Software Limited
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JUCE is an open source library subject to commercial or open-source
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licensing.
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By using JUCE, you agree to the terms of both the JUCE 6 End-User License
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Agreement and JUCE Privacy Policy (both effective as of the 16th June 2020).
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End User License Agreement: www.juce.com/juce-6-licence
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Privacy Policy: www.juce.com/juce-privacy-policy
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Or: You may also use this code under the terms of the GPL v3 (see
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www.gnu.org/licenses).
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JUCE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES, WHETHER
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EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR PURPOSE, ARE
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DISCLAIMED.
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==============================================================================
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*/
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/**
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Runs the master node, calls the demo to update the canvas, broadcasts those changes
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out to slaves, and shows a view of all the clients to allow them to be dragged around.
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*/
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struct MasterContentComponent : public Component,
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private Timer,
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private OSCSender,
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private OSCReceiver,
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private OSCReceiver::Listener<OSCReceiver::MessageLoopCallback>
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{
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MasterContentComponent (PropertiesFile& props)
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: properties (props)
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{
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setWantsKeyboardFocus (true);
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createAllDemos (demos);
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setContent (0);
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setSize ((int) (15.0f * currentCanvas.getLimits().getWidth()),
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(int) (15.0f * currentCanvas.getLimits().getHeight()));
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if (! OSCSender::connect (getBroadcastIPAddress(), masterPortNumber))
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error = "Master app OSC sender: network connection error.";
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if (! OSCReceiver::connect (clientPortNumber))
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error = "Master app OSC receiver: network connection error.";
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OSCReceiver::addListener (this);
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startTimerHz (30);
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}
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~MasterContentComponent() override
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{
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OSCReceiver::removeListener (this);
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}
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//==============================================================================
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struct Client
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{
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String name, ipAddress;
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float widthInches, heightInches;
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Point<float> centre; // in inches
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float scaleFactor;
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};
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Array<Client> clients;
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void addClient (String name, String ipAddress, String areaDescription)
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{
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auto area = Rectangle<float>::fromString (areaDescription);
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if (auto c = getClient (name))
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{
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c->ipAddress = ipAddress;
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c->widthInches = area.getWidth();
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c->heightInches = area.getHeight();
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return;
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}
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DBG (name + " " + ipAddress);
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removeClient (name);
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clients.add ({ name, ipAddress, area.getWidth(), area.getHeight(), {}, 1.0f });
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String lastX = properties.getValue ("lastX_" + name);
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String lastY = properties.getValue ("lastY_" + name);
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String lastScale = properties.getValue ("scale_" + name);
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if (lastX.isEmpty() || lastY.isEmpty())
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setClientCentre (name, { Random().nextFloat() * 10.0f,
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Random().nextFloat() * 10.0f });
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else
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setClientCentre (name, Point<float> (lastX.getFloatValue(),
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lastY.getFloatValue()));
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if (lastScale.isNotEmpty())
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setClientScale (name, lastScale.getFloatValue());
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else
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setClientScale (name, 1.0f);
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updateDeviceComponents();
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}
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void removeClient (String name)
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{
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for (int i = clients.size(); --i >= 0;)
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if (clients.getReference (0).name == name)
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clients.remove (i);
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updateDeviceComponents();
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}
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void setClientCentre (const String& name, Point<float> newCentre)
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{
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if (auto c = getClient (name))
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{
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newCentre = currentCanvas.getLimits().getConstrainedPoint (newCentre);
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c->centre = newCentre;
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properties.setValue ("lastX_" + name, String (newCentre.x));
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properties.setValue ("lastY_" + name, String (newCentre.y));
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startTimer (1);
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}
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}
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float getClientScale (const String& name) const
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{
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if (auto c = getClient (name))
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return c->scaleFactor;
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return 1.0f;
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}
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void setClientScale (const String& name, float newScale)
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{
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if (auto c = getClient (name))
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{
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c->scaleFactor = jlimit (0.5f, 2.0f, newScale);
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properties.setValue ("scale_" + name, String (newScale));
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}
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}
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Point<float> getClientCentre (const String& name) const
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{
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if (auto c = getClient (name))
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return c->centre;
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return {};
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}
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Rectangle<float> getClientArea (const String& name) const
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{
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if (auto c = getClient (name))
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return Rectangle<float> (c->widthInches, c->heightInches)
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.withCentre (c->centre);
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return {};
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}
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Rectangle<float> getActiveCanvasArea() const
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{
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Rectangle<float> r;
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if (clients.size() > 0)
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r = Rectangle<float> (1.0f, 1.0f).withCentre (clients.getReference (0).centre);
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for (int i = 1; i < clients.size(); ++i)
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r = r.getUnion (Rectangle<float> (1.0f, 1.0f).withCentre (clients.getReference (i).centre));
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return r.expanded (6.0f);
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}
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int getContentIndex() const
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{
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return demos.indexOf (content);
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}
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void setContent (int demoIndex)
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{
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content = demos[demoIndex];
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if (content != nullptr)
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content->reset();
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}
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bool keyPressed (const KeyPress& key) override
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{
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if (key == KeyPress::spaceKey || key == KeyPress::rightKey || key == KeyPress::downKey)
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{
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setContent ((getContentIndex() + 1) % demos.size());
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return true;
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}
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if (key == KeyPress::upKey || key == KeyPress::leftKey)
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{
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setContent ((getContentIndex() + demos.size() - 1) % demos.size());
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return true;
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}
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return Component::keyPressed (key);
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}
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private:
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//==============================================================================
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void paint (Graphics& g) override
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{
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g.fillAll (Colours::black);
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currentCanvas.draw (g, getLocalBounds().toFloat(), currentCanvas.getLimits());
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if (error.isNotEmpty())
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{
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g.setColour (Colours::red);
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g.setFont (20.0f);
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g.drawText (error, getLocalBounds().reduced (10).removeFromBottom (80),
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Justification::centredRight, true);
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}
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if (content != nullptr)
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{
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g.setColour (Colours::white);
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g.setFont (17.0f);
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g.drawText ("Demo: " + content->getName(),
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getLocalBounds().reduced (10).removeFromTop (30),
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Justification::centredLeft, true);
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}
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}
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void resized() override
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{
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updateDeviceComponents();
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}
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void updateDeviceComponents()
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{
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for (int i = devices.size(); --i >= 0;)
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if (getClient (devices.getUnchecked(i)->getName()) == nullptr)
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devices.remove (i);
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for (const auto& c : clients)
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if (getDeviceComponent (c.name) == nullptr)
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addAndMakeVisible (devices.add (new DeviceComponent (*this, c.name)));
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for (auto d : devices)
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d->setBounds (virtualSpaceToLocal (getClientArea (d->getName())).getSmallestIntegerContainer());
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}
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Point<float> virtualSpaceToLocal (Point<float> p) const
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{
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auto total = currentCanvas.getLimits();
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return { (float) getWidth() * (p.x - total.getX()) / total.getWidth(),
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(float) getHeight() * (p.y - total.getY()) / total.getHeight() };
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}
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Rectangle<float> virtualSpaceToLocal (Rectangle<float> p) const
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{
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return { virtualSpaceToLocal (p.getTopLeft()),
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virtualSpaceToLocal (p.getBottomRight()) };
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}
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Point<float> localSpaceToVirtual (Point<float> p) const
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{
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auto total = currentCanvas.getLimits();
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return { total.getX() + total.getWidth() * (p.x / (float) getWidth()),
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total.getY() + total.getHeight() * (p.y / (float) getHeight()) };
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}
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//==============================================================================
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struct DeviceComponent : public Component
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{
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DeviceComponent (MasterContentComponent& e, String name)
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: Component (name), editor (e)
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{
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setMouseCursor (MouseCursor::DraggingHandCursor);
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}
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void paint (Graphics& g) override
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{
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g.fillAll (Colours::blue.withAlpha (0.4f));
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g.setColour (Colours::white);
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g.setFont (11.0f);
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g.drawFittedText (getName(), getLocalBounds(), Justification::centred, 2);
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}
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void mouseDown (const MouseEvent&) override
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{
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dragStartLocation = editor.getClientCentre (getName());
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}
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void mouseDrag (const MouseEvent& e) override
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{
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editor.setClientCentre (getName(), dragStartLocation
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+ editor.localSpaceToVirtual (e.getPosition().toFloat())
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- editor.localSpaceToVirtual (e.getMouseDownPosition().toFloat()));
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}
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void mouseWheelMove (const MouseEvent&, const MouseWheelDetails& e) override
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{
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editor.setClientScale (getName(), editor.getClientScale (getName()) + 0.1f * e.deltaY);
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}
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void mouseDoubleClick (const MouseEvent&) override
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{
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editor.setClientScale (getName(), 1.0f);
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}
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MasterContentComponent& editor;
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Point<float> dragStartLocation;
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Rectangle<float> clientArea;
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};
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DeviceComponent* getDeviceComponent (const String& name) const
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{
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for (auto d : devices)
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if (d->getName() == name)
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return d;
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return nullptr;
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}
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//==============================================================================
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void broadcastNewCanvasState (const MemoryBlock& canvasData)
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{
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BlockPacketiser packetiser;
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packetiser.createBlocksFromData (canvasData, 1000);
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for (const auto& client : clients)
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for (auto& b : packetiser.blocks)
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sendToIPAddress (client.ipAddress, masterPortNumber, canvasStateOSCAddress, b);
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}
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void timerCallback() override
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{
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startTimerHz (30);
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currentCanvas.reset();
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updateCanvasInfo (currentCanvas);
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{
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std::unique_ptr<CanvasGeneratingContext> context (new CanvasGeneratingContext (currentCanvas));
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Graphics g (*context);
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if (content != nullptr)
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content->generateCanvas (g, currentCanvas, getActiveCanvasArea());
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}
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broadcastNewCanvasState (currentCanvas.toMemoryBlock());
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updateDeviceComponents();
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repaint();
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}
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void updateCanvasInfo (SharedCanvasDescription& canvas)
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{
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canvas.backgroundColour = Colours::black;
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for (const auto& c : clients)
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canvas.clients.add ({ c.name, c.centre, c.scaleFactor });
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}
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const Client* getClient (const String& name) const
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{
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for (auto& c : clients)
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if (c.name == name)
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return &c;
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return nullptr;
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}
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Client* getClient (const String& name)
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{
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return const_cast<Client*> (static_cast<const MasterContentComponent&> (*this).getClient (name));
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}
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//==============================================================================
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void oscMessageReceived (const OSCMessage& message) override
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{
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auto address = message.getAddressPattern();
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if (address.matches (newClientOSCAddress)) newClientOSCMessageReceived (message);
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else if (address.matches (userInputOSCAddress)) userInputOSCMessageReceived (message);
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}
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void newClientOSCMessageReceived (const OSCMessage& message)
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{
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if (message.isEmpty() || ! message[0].isString())
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return;
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StringArray tokens = StringArray::fromTokens (message[0].getString(), ":", "");
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addClient (tokens[0], tokens[1], tokens[2]);
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}
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void userInputOSCMessageReceived (const OSCMessage& message)
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{
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if (message.size() == 3 && message[0].isString() && message[1].isFloat32() && message[2].isFloat32())
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{
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content->handleTouch ({ message[1].getFloat32(),
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message[2].getFloat32() });
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}
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}
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//==============================================================================
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AnimatedContent* content = nullptr;
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PropertiesFile& properties;
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OwnedArray<DeviceComponent> devices;
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SharedCanvasDescription currentCanvas;
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String error;
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OwnedArray<AnimatedContent> demos;
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JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (MasterContentComponent)
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};
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Reference in New Issue
Block a user