fix macOS build (following Projucer changes made in Windows, which removed /Applications/JUCE/modules from its headers). move JUCE headers under source control, so that Windows and macOS can both build against same version of JUCE. remove AUv3 target (I think it's an iOS thing, so it will never work with this macOS fluidsynth dylib).

modules/juce_gui_basics/filebrowser/juce_DirectoryContentsDisplayComponent.h

@@ -0,0 +1,117 @@
+/*
+  ==============================================================================
+
+   This file is part of the JUCE library.
+   Copyright (c) 2017 - ROLI Ltd.
+
+   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 5 End-User License
+   Agreement and JUCE 5 Privacy Policy (both updated and effective as of the
+   27th April 2017).
+
+   End User License Agreement: www.juce.com/juce-5-licence
+   Privacy Policy: www.juce.com/juce-5-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.
+
+  ==============================================================================
+*/
+
+namespace juce
+{
+
+//==============================================================================
+/**
+    A base class for components that display a list of the files in a directory.
+
+    @see DirectoryContentsList
+
+    @tags{GUI}
+*/
+class JUCE_API  DirectoryContentsDisplayComponent
+{
+public:
+    //==============================================================================
+    /** Creates a DirectoryContentsDisplayComponent for a given list of files. */
+    DirectoryContentsDisplayComponent (DirectoryContentsList& listToShow);
+
+    /** Destructor. */
+    virtual ~DirectoryContentsDisplayComponent();
+
+    //==============================================================================
+    /** The list that this component is displaying */
+    DirectoryContentsList& directoryContentsList;
+
+    //==============================================================================
+    /** Returns the number of files the user has got selected.
+        @see getSelectedFile
+    */
+    virtual int getNumSelectedFiles() const = 0;
+
+    /** Returns one of the files that the user has currently selected.
+        The index should be in the range 0 to (getNumSelectedFiles() - 1).
+        @see getNumSelectedFiles
+    */
+    virtual File getSelectedFile (int index) const = 0;
+
+    /** Deselects any selected files. */
+    virtual void deselectAllFiles() = 0;
+
+    /** Scrolls this view to the top. */
+    virtual void scrollToTop() = 0;
+
+    /** If the specified file is in the list, it will become the only selected item
+        (and if the file isn't in the list, all other items will be deselected). */
+    virtual void setSelectedFile (const File&) = 0;
+
+    //==============================================================================
+    /** Adds a listener to be told when files are selected or clicked.
+        @see removeListener
+    */
+    void addListener (FileBrowserListener* listener);
+
+    /** Removes a listener.
+        @see addListener
+    */
+    void removeListener (FileBrowserListener* listener);
+
+
+    //==============================================================================
+    /** A set of colour IDs to use to change the colour of various aspects of the list.
+
+        These constants can be used either via the Component::setColour(), or LookAndFeel::setColour()
+        methods.
+
+        @see Component::setColour, Component::findColour, LookAndFeel::setColour, LookAndFeel::findColour
+    */
+    enum ColourIds
+    {
+        highlightColourId          = 0x1000540, /**< The colour to use to fill a highlighted row of the list. */
+        textColourId               = 0x1000541, /**< The colour for the text. */
+        highlightedTextColourId    = 0x1000542  /**< The colour with which to draw the text in highlighted sections. */
+    };
+
+    //==============================================================================
+    /** @internal */
+    void sendSelectionChangeMessage();
+    /** @internal */
+    void sendDoubleClickMessage (const File&);
+    /** @internal */
+    void sendMouseClickMessage (const File&, const MouseEvent&);
+
+protected:
+    //==============================================================================
+    ListenerList<FileBrowserListener> listeners;
+
+private:
+    JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (DirectoryContentsDisplayComponent)
+};
+
+} // namespace juce