In FileListComponent there seems to be a repaint loop when using LookAndFeel_V4 and a ColourScheme that is not the default dark one (e.g. getGreyColourScheme()).
The loop happens due to these lines in LookAndFeel_V4::drawFileBrowserRow():
if (auto fileListComp = dynamic_cast<Component*> (&dcc)) fileListComp->setColour (DirectoryContentsDisplayComponent::textColourId, currentColourScheme.getUIColour (isItemSelected ? ColourScheme::UIColour::highlightedText : ColourScheme::UIColour::menuText));
If the ColourScheme::UIColour::highlightedText and ColourScheme::UIColour::menuText colours differ (as they do for the non-dark ColourSchemes), this will trigger ListBox::colourChanged() which queues a paint (through call to repaint()).
This issue can be seen in the JUCE demo by:
- Enabling JUCE_ENABLE_REPAINT_DEBUGGING (super cool feature by the way!)
- Run the demo and select “LookAndFeel_V4 Grey”
- Choose the “Audio: File Playback” demo
- Select a folder or file
It is visible that the file list repaints constantly.