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/examples/DemoRunner/Source/UI/DemoContentComponent.cpp

@@ -0,0 +1,211 @@
+/*
+  ==============================================================================
+
+   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 "DemoContentComponent.h"
+#include "SettingsContent.h"
+#include "MainComponent.h"
+
+//==============================================================================
+struct DemoContent    : public Component
+{
+    DemoContent() noexcept    {}
+
+    void resized() override
+    {
+        if (comp != nullptr)
+            comp->setBounds (getLocalBounds());
+    }
+
+    void setComponent (Component* newComponent)
+    {
+        comp.reset (newComponent);
+
+        if (comp != nullptr)
+        {
+            addAndMakeVisible (comp.get());
+            resized();
+        }
+    }
+
+    Component* getComponent() const noexcept    { return comp.get(); }
+    void showHomeScreen()                       { setComponent (createIntroDemo()); }
+
+private:
+    std::unique_ptr<Component> comp;
+};
+
+//==============================================================================
+#if ! (JUCE_ANDROID || JUCE_IOS)
+struct CodeContent    : public Component
+{
+    CodeContent()
+    {
+        addAndMakeVisible (codeEditor);
+
+        codeEditor.setReadOnly (true);
+        codeEditor.setScrollbarThickness (8);
+
+        lookAndFeelChanged();
+    }
+
+    void resized() override
+    {
+        codeEditor.setBounds (getLocalBounds());
+    }
+
+    void setDefaultCodeContent()
+    {
+        document.replaceAllContent ("\n/*******************************************************************************\n"
+                                    "          Select one of the demos from the side panel on the left to see\n"
+                                    "            its code here and an instance running in the \"Demo\" tab!\n"
+                                    "*******************************************************************************/\n");
+    }
+
+    void lookAndFeelChanged() override
+    {
+        auto* v4 = dynamic_cast <LookAndFeel_V4*> (&Desktop::getInstance().getDefaultLookAndFeel());
+
+        if (v4 != nullptr && (v4->getCurrentColourScheme() != LookAndFeel_V4::getLightColourScheme()))
+            codeEditor.setColourScheme (getDarkColourScheme());
+        else
+            codeEditor.setColourScheme (getLightColourScheme());
+    }
+
+    CodeDocument document;
+    CPlusPlusCodeTokeniser cppTokensier;
+    CodeEditorComponent codeEditor  { document, &cppTokensier };
+};
+#endif
+
+//==============================================================================
+DemoContentComponent::DemoContentComponent (Component& mainComponent, std::function<void (bool)> callback)
+    : TabbedComponent (TabbedButtonBar::Orientation::TabsAtTop),
+      demoChangedCallback (std::move (callback))
+{
+    demoContent.reset (new DemoContent());
+    addTab ("Demo",     Colours::transparentBlack, demoContent.get(), false);
+
+   #if ! (JUCE_ANDROID || JUCE_IOS)
+    codeContent.reset (new CodeContent());
+    addTab ("Code",     Colours::transparentBlack, codeContent.get(), false);
+   #endif
+
+    addTab ("Settings", Colours::transparentBlack, new SettingsContent (dynamic_cast<MainComponent&> (mainComponent)), true);
+
+    setTabBarDepth (40);
+    lookAndFeelChanged();
+}
+
+DemoContentComponent::~DemoContentComponent()
+{
+}
+
+void DemoContentComponent::resized()
+{
+    TabbedComponent::resized();
+
+    if (tabBarIndent > 0)
+        getTabbedButtonBar().setBounds (getTabbedButtonBar().getBounds().withTrimmedLeft (tabBarIndent));
+}
+
+void DemoContentComponent::setDemo (const String& category, int selectedDemoIndex)
+{
+    if ((currentDemoCategory == category)
+        && (currentDemoIndex == selectedDemoIndex))
+        return;
+
+    auto demo = JUCEDemos::getCategory (category).demos[(size_t) selectedDemoIndex];
+
+   #if ! (JUCE_ANDROID || JUCE_IOS)
+    codeContent->document.replaceAllContent (trimPIP (demo.demoFile.loadFileAsString()));
+    codeContent->codeEditor.scrollToLine (0);
+   #endif
+
+    auto* content = demo.callback();
+    demoContent->setComponent (content);
+    demoChangedCallback (demo.isHeavyweight);
+
+    ensureDemoIsShowing();
+
+    currentDemoCategory = category;
+    currentDemoIndex = selectedDemoIndex;
+}
+
+bool DemoContentComponent::isShowingHomeScreen() const noexcept
+{
+    return isComponentIntroDemo (demoContent->getComponent()) && getCurrentTabIndex() == 0;
+}
+
+void DemoContentComponent::showHomeScreen()
+{
+    demoContent->showHomeScreen();
+
+   #if ! (JUCE_ANDROID || JUCE_IOS)
+    codeContent->setDefaultCodeContent();
+   #endif
+
+    demoChangedCallback (false);
+
+    ensureDemoIsShowing();
+
+    resized();
+
+    currentDemoCategory = {};
+    currentDemoIndex = -1;
+}
+
+void DemoContentComponent::clearCurrentDemo()
+{
+    demoContent->setComponent (nullptr);
+    demoChangedCallback (false);
+}
+
+void DemoContentComponent::lookAndFeelChanged()
+{
+    auto backgroundColour = findColour (ResizableWindow::backgroundColourId);
+
+    for (int i = 0; i < getNumTabs(); ++i)
+        setTabBackgroundColour (i, backgroundColour);
+}
+
+String DemoContentComponent::trimPIP (const String& fileContents)
+{
+    auto lines = StringArray::fromLines (fileContents);
+
+    auto metadataEndIndex = lines.indexOf (" END_JUCE_PIP_METADATA");
+
+    if (metadataEndIndex == -1)
+        return fileContents;
+
+    lines.removeRange (0, metadataEndIndex + 3); // account for newline and comment block end
+
+    return lines.joinIntoString ("\n");
+}
+
+void DemoContentComponent::ensureDemoIsShowing()
+{
+    if (getCurrentTabIndex() == (getNumTabs() - 1))
+        setCurrentTabIndex (0);
+}