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Stefan ArentzandClaude Opus 4.8
b2665e73a2
Phase M3 of plans/20260721-01: the host pointer moves the emulated mouse, from both frontends. Coordinate model revised to absolute/mapped (recorded in the plan): the SDL window pointer and the RFB pointer each map their pixel proportionally into the mouse's clamp window through one `Two::feed_mouse_pixel` path — no cursor grab, testable headlessly, friendlier for a windowed emulator. The device keeps `move_by` for a possible future relative mode. - mouse.rs: `Mou::move_by` (relative integrate), `set_button`, `clamp()` getter; `set_host` deduped. - two.rs: `has_mouse`, `feed_mouse_delta` (relative), `feed_mouse_pixel` (absolute pixel -> clamp window). SDL `run` loop feeds the device on MouseMotion / MouseButton events (window content area -> clamp); the RFB serve path routes a PointerEvent to the mouse when a card is present (mask bit0 = button), else the old paddle-0 fallback stands. Gates: feed_mouse_delta integrates and clamps; feed_mouse_pixel maps a pixel into the window; an RFB PointerEvent moves the emulated mouse and its button. cargo fmt / clippy -D warnings / cargo test (380 pass, golden-BMP intact — no mouse in those configs, so no cursor and no render delta). Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>