- CONTROL_BEHAVIOUR_NONE = 0x0,
- REQUIRES_TOUCH_EVENTS = 0x1, ///< True if the OnTouchEvent() callback is required.
- REQUIRES_STYLE_CHANGE_SIGNALS = 0x2 ///< True if needs to monitor style change signals such as theme/font change
+ CONTROL_BEHAVIOUR_NONE = 0,
+ REQUIRES_TOUCH_EVENTS = 1<<1, ///< True if the OnTouchEvent() callback is required.
+ REQUIRES_STYLE_CHANGE_SIGNALS = 1<<2, ///< True if needs to monitor style change signals such as theme/font change
+ NO_SIZE_NEGOTIATION = 1<<3 ///< True if control does not need size negotiation, i.e. it can be skipped in the algorithm