C++: Grid View Layout, Colored Text, Duck Slider, Tool Tips

What's New in v2.44

• New: Slider theme view, Hover Tool tips

• ImRenderer adds SetStrokeColor

• ImRenderer supports rendering a texture directly (instead of by id)

• New: FixedGridViewLayout for simple grid layouts

• Slider control now supports drag gesture along entire track, not just the thumb

• New: TextRenderer now supports setting colors for characters inside text

• New: AttributedString

• New: .Background, .Overlay support in ViewBuilder

• Improved shader loading. Shaders are now loaded along with other resources

• Reduce use of shared_pointer where we don't need it

• Lots of additional unit tests + code reviews for general code quality improvement

• New: SomeMaterialRenderer so ImRenderer can have its own logic path

• WIP: ImageAppScene for loading and browsing images (eventually will support filters like flip/crop, etc)

• Separate vertex shaders are merged into a single shader

• Moved code that isn't ready into Experimental

• Naming updates for convenience

• QOL: show subscribed signal handlers in inspector

• Startup flow improvements, code organization improvements

• Resource loading and cataloging improvements

• Start taking advantage of std::format for string formatting

• Factory, Class, ClassRegistry improvements

• New: Document, DocumentBundle, File for opening and saving documents

• All mesh builders have been code reviewed and tested

• UIPlanner now supports dynamic views that update dynamically as their values change