You can control many aspects of the code editor's appearance in the Editing and Syntax panels in the Project Builder preferences. Choose Project Builder > Preferences and click Editing or Syntax
To change the font and colors in the Project Builder code editor:
Project Builder can use colors and fonts to distinguish between different types of code. For example, you can display comments in green and keywords in bold face.
To enable and disable syntax coloring:
To set the color and font for a particular type of code:
To wrap lines when they reach the right edge of the window:
By default, lines are wrapped.
The navigation bar at the top of every code editor contains a menu of recently viewed files, as well as other editing controls.
To hide the navigation bar in the front-most window:
To hide the navigation bar by default when you open a file in a separate window:
You can set the default configuration of a new project window, including its size and location, the sizes for the Files, Targets, and Breakpoints lists, and the sizes for the Find, Build, and Debug panes.
To set the project window's default configuration: