Parent: $root.$constants
| kCheckBoxHorizontal | Horizontal checkbox. Animated slider. |
| kCheckBoxRound | A round checkbox that supports transparency and icons. Ideal as a control centre checkbox. |
| kCheckRadioCrossMark | Animated cross mark. |
| kCheckRadioTickMark | Animated tick mark. |
| kComboButton | Combo box button |
| kHeadingButton | List heading button |
| kIDEButton | A button drawn using IDE colors specified in appearance.json |
| kLargeRoundButton | Large round button (macOS only) |
| kNoBorderButton | A Button with no frame |
| kRoundButton | Standard round button (macOS only) |
| kSystemButton | Standard operating system button |
| kUserButton | A button drawn in user-specified color(s),with a border |