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/widgets/juce_ProgressBar.cpp

@@ -0,0 +1,172 @@
+/*
+  ==============================================================================
+
+   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
+{
+
+ProgressBar::ProgressBar (double& progress_)
+   : progress (progress_),
+     displayPercentage (true),
+     lastCallbackTime (0)
+{
+    currentValue = jlimit (0.0, 1.0, progress);
+}
+
+ProgressBar::~ProgressBar()
+{
+}
+
+//==============================================================================
+void ProgressBar::setPercentageDisplay (const bool shouldDisplayPercentage)
+{
+    displayPercentage = shouldDisplayPercentage;
+    repaint();
+}
+
+void ProgressBar::setTextToDisplay (const String& text)
+{
+    displayPercentage = false;
+    displayedMessage = text;
+}
+
+void ProgressBar::lookAndFeelChanged()
+{
+    setOpaque (getLookAndFeel().isProgressBarOpaque (*this));
+}
+
+void ProgressBar::colourChanged()
+{
+    lookAndFeelChanged();
+}
+
+void ProgressBar::paint (Graphics& g)
+{
+    String text;
+
+    if (displayPercentage)
+    {
+        if (currentValue >= 0 && currentValue <= 1.0)
+            text << roundToInt (currentValue * 100.0) << '%';
+    }
+    else
+    {
+        text = displayedMessage;
+    }
+
+    getLookAndFeel().drawProgressBar (g, *this,
+                                      getWidth(), getHeight(),
+                                      currentValue, text);
+}
+
+void ProgressBar::visibilityChanged()
+{
+    if (isVisible()) {
+        lastCallbackTime = Time::getMillisecondCounter();
+        currentValue = progress;
+        currentMessage = displayedMessage;
+        startTimer (30);
+    }
+    else {
+        stopTimer();
+    }
+}
+
+void ProgressBar::timerCallback()
+{
+    double newProgress = progress;
+
+    const uint32 now = Time::getMillisecondCounter();
+    const int timeSinceLastCallback = (int) (now - lastCallbackTime);
+    lastCallbackTime = now;
+
+    if (currentValue != newProgress
+         || newProgress < 0 || newProgress >= 1.0
+         || currentMessage != displayedMessage)
+    {
+        if (currentValue < newProgress
+             && newProgress >= 0 && newProgress < 1.0
+             && currentValue >= 0 && currentValue < 1.0)
+        {
+            newProgress = jmin (currentValue + 0.004 * timeSinceLastCallback,
+                                newProgress);
+        }
+
+        currentValue = newProgress;
+        currentMessage = displayedMessage;
+        repaint();
+
+        if (auto* handler = getAccessibilityHandler())
+            handler->notifyAccessibilityEvent (AccessibilityEvent::valueChanged);
+    }
+}
+
+//==============================================================================
+std::unique_ptr<AccessibilityHandler> ProgressBar::createAccessibilityHandler()
+{
+    class ProgressBarAccessibilityHandler  : public AccessibilityHandler
+    {
+    public:
+        explicit ProgressBarAccessibilityHandler (ProgressBar& progressBarToWrap)
+            : AccessibilityHandler (progressBarToWrap,
+                                    AccessibilityRole::progressBar,
+                                    AccessibilityActions{},
+                                    AccessibilityHandler::Interfaces { std::make_unique<ValueInterface> (progressBarToWrap) }),
+              progressBar (progressBarToWrap)
+        {
+        }
+
+        String getHelp() const override   { return progressBar.getTooltip(); }
+
+    private:
+        class ValueInterface  : public AccessibilityRangedNumericValueInterface
+        {
+        public:
+            explicit ValueInterface (ProgressBar& progressBarToWrap)
+                : progressBar (progressBarToWrap)
+            {
+            }
+
+            bool isReadOnly() const override                { return true; }
+            void setValue (double) override                 { jassertfalse; }
+            double getCurrentValue() const override         { return progressBar.progress; }
+            AccessibleValueRange getRange() const override  { return { { 0.0, 1.0 }, 0.001 }; }
+
+        private:
+            ProgressBar& progressBar;
+
+            //==============================================================================
+            JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (ValueInterface)
+        };
+
+        ProgressBar& progressBar;
+
+        //==============================================================================
+        JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (ProgressBarAccessibilityHandler)
+    };
+
+    return std::make_unique<ProgressBarAccessibilityHandler> (*this);
+}
+
+} // namespace juce