JUCE/extras/NetworkGraphicsDemo/Source/Main.cpp

/*
  ==============================================================================

   This file is part of the JUCE 6 technical preview.
   Copyright (c) 2017 - ROLI Ltd.

   You may use this code under the terms of the GPL v3
   (see www.gnu.org/licenses).

   For this technical preview, this file is not subject to commercial licensing.

   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>

namespace
{
    String getBroadcastIPAddress()
    {
        return IPAddress::getLocalAddress().toString().upToLastOccurrenceOf (".", false, false) + ".255";
    }

    static const int masterPortNumber = 9001;  // the UDP port the master sends on / the clients receive.
    static const int clientPortNumber = 9002;  // the UDP port the clients send on / the master receives.

    static const String canvasStateOSCAddress = "/juce/nfd/canvasState";
    static const String newClientOSCAddress   = "/juce/nfd/newClient";
    static const String userInputOSCAddress   = "/juce/nfd/userInput";
};

#include "SharedCanvas.h"
#include "SlaveComponent.h"
#include "Demos.h"
#include "MasterComponent.h"


//==============================================================================
class NetworkGraphicsDemoApplication  : public JUCEApplication
{
public:
    NetworkGraphicsDemoApplication()  : properties (getPropertyFileOptions())
    {}

    const String getApplicationName() override           { return ProjectInfo::projectName; }
    const String getApplicationVersion() override        { return ProjectInfo::versionString; }
    bool moreThanOneInstanceAllowed() override           { return true; }
    void anotherInstanceStarted (const String&) override {}

    //==============================================================================
    void initialise (const String& commandLine) override
    {
       #if ! JUCE_IOS && ! JUCE_ANDROID
        // Run as the master if we have a command-line flag "master" or if the exe itself
        // has been renamed to include the word "master"..
        bool isMaster = commandLine.containsIgnoreCase ("master")
                          || File::getSpecialLocation (File::currentApplicationFile)
                                .getFileName().containsIgnoreCase ("master");

        if (isMaster)
            mainWindows.add (new MainWindow (properties));
       #endif

        mainWindows.add (new MainWindow (properties, 0));

        Desktop::getInstance().setScreenSaverEnabled (false);
    }

    void shutdown() override
    {
        mainWindows.clear();
        properties.saveIfNeeded();
    }

    void systemRequestedQuit() override
    {
        quit();
    }

    //==============================================================================
    struct MainWindow    : public DocumentWindow
    {
        MainWindow (PropertiesFile& props)
            : DocumentWindow ("JUCE Networked Graphics Demo - Master", Colours::white, DocumentWindow::allButtons)
        {
            setUsingNativeTitleBar (true);
            setContentOwned (new MasterContentComponent (props), true);
            setBounds (100, 50, getWidth(), getHeight());
            setResizable (true, false);
            setVisible (true);

            glContext.attachTo (*this);
        }

        MainWindow (PropertiesFile& props, int windowIndex)
            : DocumentWindow ("JUCE Networked Graphics Demo", Colours::black, DocumentWindow::allButtons)
        {
            setUsingNativeTitleBar (true);
            setContentOwned (new SlaveCanvasComponent (props, windowIndex), true);
            setBounds (500, 100, getWidth(), getHeight());
            setResizable (true, false);
            setVisible (true);

           #if ! JUCE_IOS
            glContext.attachTo (*this);
           #endif

           #if JUCE_IOS || JUCE_ANDROID
            setFullScreen (true);
           #endif
        }

        ~MainWindow()
        {
            glContext.detach();
        }

        void closeButtonPressed() override
        {
            JUCEApplication::getInstance()->systemRequestedQuit();
        }

        OpenGLContext glContext;

        JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (MainWindow)
    };

    static PropertiesFile::Options getPropertyFileOptions()
    {
        PropertiesFile::Options o;
        o.applicationName = "JUCE Network Graphics Demo";
        o.filenameSuffix = ".settings";
        o.folderName = "JUCE Network Graphics Demo";
        o.osxLibrarySubFolder = "Application Support/JUCE Network Graphics Demo";
        o.millisecondsBeforeSaving = 2000;
        return o;
    }

    PropertiesFile properties;
    OwnedArray<MainWindow> mainWindows;
};


//==============================================================================
// This macro generates the main() routine that launches the app.
START_JUCE_APPLICATION (NetworkGraphicsDemoApplication)