Struct Touch

pub struct Touch<'a> { /* private fields */ }

Implementations

impl<'a> Touch<'a>

pub fn new( touch: Option<&'a dyn Touch<'a>>, multi_touch: Option<&'a dyn MultiTouch<'a>>, screen: Option<&'a dyn Screen<'a>>, grant: Grant<App, UpcallCount<3>, AllowRoCount<0>, AllowRwCount<{ rw_allow::COUNT }>>, ) -> Touch<'a>

pub fn set_screen_rotation_offset(&self, screen_rotation_offset: ScreenRotation)

Trait Implementations

impl GestureClient for Touch<'_>

fn gesture_event(&self, event: GestureEvent)

impl MultiTouchClient for Touch<'_>

fn touch_events(&self, touch_events: &[TouchEvent], num_events: usize)

Report a multi touch event num touches represents the number of touches detected

impl SyscallDriver for Touch<'_>

fn command( &self, command_num: usize, _data1: usize, _data2: usize, processid: ProcessId, ) -> CommandReturn

System call for a process to perform a short synchronous operation or start a long-running split-phase operation (whose completion is signaled with an upcall). Command 0 is a reserved command to detect if a peripheral system call driver is installed and must always return a CommandReturn::success.

fn allocate_grant(&self, processid: ProcessId) -> Result<(), Error>

Request to allocate a capsule’s grant for a specific process.

fn allow_userspace_readable( &self, app: ProcessId, which: usize, slice: ReadWriteProcessBuffer, ) -> Result<ReadWriteProcessBuffer, (ReadWriteProcessBuffer, ErrorCode)>

System call for a process to pass a buffer (a UserspaceReadableProcessBuffer) to the kernel that the kernel can either read or write. The kernel calls this method only after it checks that the entire buffer is within memory the process can both read and write.

impl TouchClient for Touch<'_>

fn touch_event(&self, event: TouchEvent)

Report a touch event