General preferences
You can customize the appearance of the C/C++ editor on the General page of the Preferences window.

- Displayed tab width
- Specifies the width of the tab as a number of characters. For example a value of 4,
means that the tab width is 4-characters wide.
- Print margin column
- Specifies the width of the print margin as a number of characters. For example a value of
80 means that the print area is 80-characters wide.
- Show overview ruler
- Displays the vertical ruler in the editor view.
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- Show line numbers
- Displays line numbers in the left margin.
- Highlight matching brackets
- When the cursor is beside a bracket, the matching bracket is highlighted.
- Highlight current line
- Highlights the line that was last selected.
- Show print margin
- Displays the print margin in the editor.
- Insert space for tabs
- Inserts a space instead of a tab character when you press Tab.
- Use custom caret
- Select a custom caret (vertical bar icon showing cursor position).
- Enable thick caret
- Displays a thicker caret (vertical bar icon showing cursor position).
- Appearance color options
- Lists the items for which you can specify a color.
- Color
- Changes the color of the item that is selected in the list.
Coding aids
Customizing the C/C++ editor
C/C++ editor preferences