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"

deps/juce/modules/juce_gui_basics/filebrowser/juce_FileChooser.cpp

@@ -0,0 +1,268 @@
+/*
+  ==============================================================================
+
+   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.
+
+  ==============================================================================
+*/
+
+namespace juce
+{
+
+//==============================================================================
+class FileChooser::NonNative    : public FileChooser::Pimpl
+{
+public:
+    NonNative (FileChooser& fileChooser, int flags, FilePreviewComponent* preview)
+        : owner (fileChooser),
+          selectsDirectories ((flags & FileBrowserComponent::canSelectDirectories)   != 0),
+          selectsFiles       ((flags & FileBrowserComponent::canSelectFiles)         != 0),
+          warnAboutOverwrite ((flags & FileBrowserComponent::warnAboutOverwriting)   != 0),
+
+          filter (selectsFiles ? owner.filters : String(), selectsDirectories ? "*" : String(), {}),
+          browserComponent (flags, owner.startingFile, &filter, preview),
+          dialogBox (owner.title, {}, browserComponent, warnAboutOverwrite,
+                     browserComponent.findColour (AlertWindow::backgroundColourId), owner.parent)
+    {}
+
+    ~NonNative() override
+    {
+        dialogBox.exitModalState (0);
+    }
+
+    void launch() override
+    {
+        dialogBox.centreWithDefaultSize (nullptr);
+        dialogBox.enterModalState (true, ModalCallbackFunction::create ([this] (int r) { modalStateFinished (r); }), true);
+    }
+
+    void runModally() override
+    {
+       #if JUCE_MODAL_LOOPS_PERMITTED
+        modalStateFinished (dialogBox.show() ? 1 : 0);
+       #else
+        jassertfalse;
+       #endif
+    }
+
+private:
+    void modalStateFinished (int returnValue)
+    {
+        Array<URL> result;
+
+        if (returnValue != 0)
+        {
+            for (int i = 0; i < browserComponent.getNumSelectedFiles(); ++i)
+                result.add (URL (browserComponent.getSelectedFile (i)));
+        }
+
+        owner.finished (result);
+    }
+
+    //==============================================================================
+    FileChooser& owner;
+    bool selectsDirectories, selectsFiles, warnAboutOverwrite;
+
+    WildcardFileFilter filter;
+    FileBrowserComponent browserComponent;
+    FileChooserDialogBox dialogBox;
+
+    JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (NonNative)
+};
+
+//==============================================================================
+FileChooser::FileChooser (const String& chooserBoxTitle,
+                          const File& currentFileOrDirectory,
+                          const String& fileFilters,
+                          const bool useNativeBox,
+                          const bool treatFilePackagesAsDirectories,
+                          Component* parentComponentToUse)
+    : title (chooserBoxTitle),
+      filters (fileFilters),
+      startingFile (currentFileOrDirectory),
+      parent (parentComponentToUse),
+      useNativeDialogBox (useNativeBox && isPlatformDialogAvailable()),
+      treatFilePackagesAsDirs (treatFilePackagesAsDirectories)
+{
+   #ifndef JUCE_MAC
+    ignoreUnused (treatFilePackagesAsDirs);
+   #endif
+
+    if (! fileFilters.containsNonWhitespaceChars())
+        filters = "*";
+}
+
+FileChooser::~FileChooser()
+{
+    asyncCallback = nullptr;
+}
+
+#if JUCE_MODAL_LOOPS_PERMITTED
+bool FileChooser::browseForFileToOpen (FilePreviewComponent* previewComp)
+{
+    return showDialog (FileBrowserComponent::openMode
+                        | FileBrowserComponent::canSelectFiles,
+                       previewComp);
+}
+
+bool FileChooser::browseForMultipleFilesToOpen (FilePreviewComponent* previewComp)
+{
+    return showDialog (FileBrowserComponent::openMode
+                        | FileBrowserComponent::canSelectFiles
+                        | FileBrowserComponent::canSelectMultipleItems,
+                       previewComp);
+}
+
+bool FileChooser::browseForMultipleFilesOrDirectories (FilePreviewComponent* previewComp)
+{
+    return showDialog (FileBrowserComponent::openMode
+                        | FileBrowserComponent::canSelectFiles
+                        | FileBrowserComponent::canSelectDirectories
+                        | FileBrowserComponent::canSelectMultipleItems,
+                       previewComp);
+}
+
+bool FileChooser::browseForFileToSave (const bool warnAboutOverwrite)
+{
+    return showDialog (FileBrowserComponent::saveMode
+                        | FileBrowserComponent::canSelectFiles
+                        | (warnAboutOverwrite ? FileBrowserComponent::warnAboutOverwriting : 0),
+                       nullptr);
+}
+
+bool FileChooser::browseForDirectory()
+{
+    return showDialog (FileBrowserComponent::openMode
+                        | FileBrowserComponent::canSelectDirectories,
+                       nullptr);
+}
+
+bool FileChooser::showDialog (const int flags, FilePreviewComponent* const previewComp)
+{
+    FocusRestorer focusRestorer;
+
+    pimpl = createPimpl (flags, previewComp);
+    pimpl->runModally();
+
+    // ensure that the finished function was invoked
+    jassert (pimpl == nullptr);
+
+    return (results.size() > 0);
+}
+#endif
+
+void FileChooser::launchAsync (int flags, std::function<void (const FileChooser&)> callback,
+                               FilePreviewComponent* previewComp)
+{
+    // You must specify a callback when using launchAsync
+    jassert (callback);
+
+    // you cannot run two file chooser dialog boxes at the same time
+    jassert (asyncCallback == nullptr);
+
+    asyncCallback = std::move (callback);
+
+    pimpl = createPimpl (flags, previewComp);
+    pimpl->launch();
+}
+
+std::shared_ptr<FileChooser::Pimpl> FileChooser::createPimpl (int flags, FilePreviewComponent* previewComp)
+{
+    results.clear();
+
+    // the preview component needs to be the right size before you pass it in here..
+    jassert (previewComp == nullptr || (previewComp->getWidth() > 10
+                                         && previewComp->getHeight() > 10));
+
+    if (pimpl != nullptr)
+    {
+        // you cannot run two file chooser dialog boxes at the same time
+        jassertfalse;
+        pimpl.reset();
+    }
+
+    // You've set the flags for both saveMode and openMode!
+    jassert (! (((flags & FileBrowserComponent::saveMode) != 0)
+                && ((flags & FileBrowserComponent::openMode) != 0)));
+
+   #if JUCE_WINDOWS
+    const bool selectsFiles       = (flags & FileBrowserComponent::canSelectFiles) != 0;
+    const bool selectsDirectories = (flags & FileBrowserComponent::canSelectDirectories) != 0;
+
+    if (useNativeDialogBox && ! (selectsFiles && selectsDirectories))
+   #else
+    if (useNativeDialogBox)
+   #endif
+    {
+        return showPlatformDialog (*this, flags, previewComp);
+    }
+
+    return std::make_unique<NonNative> (*this, flags, previewComp);
+}
+
+Array<File> FileChooser::getResults() const noexcept
+{
+    Array<File> files;
+
+    for (auto url : getURLResults())
+        if (url.isLocalFile())
+            files.add (url.getLocalFile());
+
+    return files;
+}
+
+File FileChooser::getResult() const
+{
+    auto fileResults = getResults();
+
+    // if you've used a multiple-file select, you should use the getResults() method
+    // to retrieve all the files that were chosen.
+    jassert (fileResults.size() <= 1);
+
+    return fileResults.getFirst();
+}
+
+URL FileChooser::getURLResult() const
+{
+    // if you've used a multiple-file select, you should use the getResults() method
+    // to retrieve all the files that were chosen.
+    jassert (results.size() <= 1);
+
+    return results.getFirst();
+}
+
+void FileChooser::finished (const Array<URL>& asyncResults)
+{
+     std::function<void (const FileChooser&)> callback;
+     std::swap (callback, asyncCallback);
+
+     results = asyncResults;
+
+     pimpl.reset();
+
+     if (callback)
+         callback (*this);
+}
+
+//==============================================================================
+FilePreviewComponent::FilePreviewComponent() {}
+FilePreviewComponent::~FilePreviewComponent() {}
+
+} // namespace juce