# CategoryPen SDL pen event handling. SDL provides an API for pressure-sensitive pen (stylus and/or eraser) handling, e.g., for input and drawing tablets or suitably equipped mobile / tablet devices. To get started with pens, simply handle [SDL_EVENT_PEN_](SDL_EVENT_PEN_)* events. When a pen starts providing input, SDL will assign it a unique [SDL_PenID](SDL_PenID), which will remain for the life of the process, as long as the pen stays connected. Pens may provide more than simple touch input; they might have other axes, such as pressure, tilt, rotation, etc. <!-- END CATEGORY DOCUMENTATION --> ## Functions <!-- DO NOT HAND-EDIT CATEGORY LISTS, THEY ARE AUTOGENERATED AND WILL BE OVERWRITTEN, BASED ON TAGS IN INDIVIDUAL PAGE FOOTERS. EDIT THOSE INSTEAD. --> <!-- BEGIN CATEGORY LIST: CategoryPen, CategoryAPIFunction --> - (none.) <!-- END CATEGORY LIST --> ## Datatypes <!-- DO NOT HAND-EDIT CATEGORY LISTS, THEY ARE AUTOGENERATED AND WILL BE OVERWRITTEN, BASED ON TAGS IN INDIVIDUAL PAGE FOOTERS. EDIT THOSE INSTEAD. --> <!-- BEGIN CATEGORY LIST: CategoryPen, CategoryAPIDatatype --> - [SDL_PenID](SDL_PenID) - [SDL_PenInputFlags](SDL_PenInputFlags) <!-- END CATEGORY LIST --> ## Structs <!-- DO NOT HAND-EDIT CATEGORY LISTS, THEY ARE AUTOGENERATED AND WILL BE OVERWRITTEN, BASED ON TAGS IN INDIVIDUAL PAGE FOOTERS. EDIT THOSE INSTEAD. --> <!-- BEGIN CATEGORY LIST: CategoryPen, CategoryAPIStruct --> - [SDL_PenAxisEvent](SDL_PenAxisEvent) - [SDL_PenButtonEvent](SDL_PenButtonEvent) - [SDL_PenMotionEvent](SDL_PenMotionEvent) - [SDL_PenProximityEvent](SDL_PenProximityEvent) - [SDL_PenTouchEvent](SDL_PenTouchEvent) <!-- END CATEGORY LIST --> ## Enums <!-- DO NOT HAND-EDIT CATEGORY LISTS, THEY ARE AUTOGENERATED AND WILL BE OVERWRITTEN, BASED ON TAGS IN INDIVIDUAL PAGE FOOTERS. EDIT THOSE INSTEAD. --> <!-- BEGIN CATEGORY LIST: CategoryPen, CategoryAPIEnum --> - [SDL_PenAxis](SDL_PenAxis) <!-- END CATEGORY LIST --> ## Macros <!-- DO NOT HAND-EDIT CATEGORY LISTS, THEY ARE AUTOGENERATED AND WILL BE OVERWRITTEN, BASED ON TAGS IN INDIVIDUAL PAGE FOOTERS. EDIT THOSE INSTEAD. --> <!-- BEGIN CATEGORY LIST: CategoryPen, CategoryAPIMacro --> - [SDL_PEN_MOUSEID](SDL_PEN_MOUSEID) - [SDL_PEN_TOUCHID](SDL_PEN_TOUCHID) <!-- END CATEGORY LIST --> ---- [CategoryAPICategory](CategoryAPICategory)