touch

type DeviceReader interface {
	IsConnected() bool
	ReadTouch(ctx context.Context) ([]Event, error)
}

type Event struct {
	Button        int           // Button identifier (0-4 for 5 buttons)
	Pressed       bool          // true if pressed, false if released
	Duration      time.Duration // How long the button was held
	SwipeProgress float32       // Live swipe progress (0.0 to 1.0)
	SwipeActive   bool          // true if swipe is in progress (live tracking)
	Velocity      float32       // Swipe velocity in pixels/second (for completed swipes)
	SwipePixels   int           // Signed pixel delta from gesture start (left is negative)
	Timestamp     time.Time     // When this event was captured
	TapX          int           // Display pixel X position of tap (0–639); only valid for Button==0 taps
	SlideX        int           // Net horizontal movement during the press (px, signed); non-zero means finger slid on lift
}

type HIDTouchReader struct {
	// contains filtered or unexported fields
}

type Handler struct {
	// contains filtered or unexported fields
}

type SwipeConfig struct {

	// VelocityFastFlick is the velocity threshold for "fast flick" behavior.
	VelocityFastFlick float32

	// VelocityFlick is a higher tier — very strong flick, commit with minimal distance.
	VelocityFlick float32

	// VelocityMedium is the boundary between medium and slow velocity.
	VelocityMedium float32

	// DistanceAutoCancel is the minimum threshold below which swipes always cancel,
	// regardless of velocity. This prevents accidental triggers.
	// Default: 0.15 (15% of screen width ≈ 96px on 640px screen)
	DistanceAutoCancel float32

	// DistanceAutoCommit is the threshold above which swipes always commit,
	// regardless of velocity. Dragging past halfway shows clear intent.
	// Default: 0.50 (50% of screen width ≈ 320px on 640px screen)
	DistanceAutoCommit float32

	// DistanceStandard is the threshold for medium-velocity swipes.
	// This is the "normal" swipe distance for typical gestures.
	// Default: 0.30 (30% of screen width ≈ 192px on 640px screen)
	DistanceStandard float32

	// DistanceFastFlick is the reduced threshold for high-velocity swipes.
	DistanceFastFlick float32

	// DistanceFlick is the threshold for very strong flicks (VelocityFlick tier).
	DistanceFlick float32

	// DistanceSlowDrag is the increased threshold for low-velocity swipes.
	DistanceSlowDrag float32
}

type TouchDevice interface {
	ReadTouch(buf []byte, timeoutMs uint) (int, error)
}