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across a monitor seam
Nemo's right-click context menu was the last open punch-list item, parked
twice as untestable. It works: verified end to end in a throwaway nested
compositor, menu and submenu both, at the correct position and stacking.
The popup path itself needed no fix, so the POPUP-GEOM-DIAG/POPUP-GRAB-DIAG
diagnostics are removed.
Two real bugs turned up in the way of testing it.
zwlr_virtual_pointer was a silent no-op on the winit backend. Every
Motion/MotionAbsolute handler read UdevState::bounds() behind an early
return when state.udev was None, and that field is Some only for the DRM
backend. The protocol advertised its global, accepted create_virtual_pointer
and accepted every request, then discarded all motion with no error and no
log. That is the backend a nested instance runs on, so the only safe way to
drive a throwaway compositor - a Wayland client of that compositor, which
cannot reach any other session, unlike ydotool's /dev/uinput writes - did
not work at all. Bounds now come from WindowManager::monitors() when udev is
absent; both backends fill that list from Platform::monitors().
The winit backend's screencopy pass rendered no popups and no shadows. It
re-renders the scene offscreen, and that second scene was missing tiers, so
grim on a nested instance reported the opposite of the truth: a menu drawing
perfectly on screen photographed as absent. The DRM backend never had this,
since it serves screencopy from the on-screen frame it just drew. Border
strips are still missing from that pass, called out in the code rather than
left silent.
Also fixed, from the "windows show a bit in the other monitor" report:
shadow_rect expanded by SHADOW_SIZE on every side with no monitor-boundary
awareness, so a window flush against a seam put its 24px shadow strip on the
neighbouring screen. shadow_rect_clipped clips to the bounding box of the
monitors the window's geometry actually touches - not just its assigned
one, since a window straddling a seam really does occupy both and clipping
there would cut its shadow off mid-body. The bitmap's own extent stays
unclipped, because the src rectangle indexes into it; only the fragment list
is clipped. Six tests on the incident's own numbers. Not confirmed on
screen: the nested backend cannot produce a second monitor.
New tool: tools/virtual-pointer-click, a scriptable virtual-pointer driver
that acknowledges each command after its round-trip, so a test script can
put a screenshot between a move and the click that follows it.
489 tests pass, clippy clean.
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Investigated the "tiling needs a lot of work" report directly. The
MasterStackLayout algorithm itself was already correct; the real gap was
that dragging or resizing a tiled window did nothing durable (raw
geometry that the next arrange_workspace silently discarded), and
master_ratio/master_count had no live path at all (config-file only).
A resize-drag on the shared master/stack boundary now live-adjusts
TilingConfig::master_ratio and re-arranges the group immediately; srd set
master_ratio/master_count do the same for a keybind or script. Found and
fixed a real bug while building this: start_resize's own focus_window
call re-stacks its target in self.order before the ratio-drag decision
used to be made, silently misclassifying real master-column grabs.
Fixed by deciding ratio-drag status (and freezing the membership
snapshot it depends on) before that raise happens, applying
MasterStackLayout directly against the frozen snapshot rather than
re-deriving membership from the by-then-reordered live order. Live-
verified in a nested compositor, not just unit-tested.
Also closes the readback gaps flagged directly by the AGS peer session:
border_width/border_color/corner_radius/decoration_mode/gap_inner/
gap_outer/master_ratio/master_count were all live-settable via srd set
with no way to read the current value back, and pin_input had no
readback at all. SettingsResponse now reports all of them; a new
pinned_inputs query (srd pinned inputs) lists every currently pinned
pid/window.
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XWayland stability, GPU rendering, and multi-cursor Phase 2
The bulk of a multi-session shift's real work landed in crates/wayland.
Full root-cause/verification narrative for every item below lives in
docs/TODO.md (each has its own dated entry); this is the summary:
Desktop shell:
- Real desktop icons v2 (state/desktop_icons.rs, desktop_icons.rs):
fixed origin-baked-before-the-bar-connects, fixed-icon sort order, and
a proper Rename/Delete-to-Trash menu (window_memory.rs backs the
rename-persistence side). Rubber-band marquee multi-select.
- icon_theme.rs: real freedesktop icon-theme lookup (inherits chain,
hicolor fallback) rendering actual theme SVGs via resvg/tiny-skia,
replacing the hand-drawn placeholder glyphs.
- Context/desktop menus (decoration.rs, desktop_menu.rs, state/menu.rs)
rebuilt to match the project's own AGS panel styling: rounded floating
panel, tinted-fill row highlight, real separators, a much fuller
titlebar window-menu action set.
Layer-shell / multi-monitor:
- Layer-shell hit-testing and render positioning (input/pointer.rs,
udev/render.rs's element placement) now correctly convert LayerMap's
logical geometry into physical pixels on a fractionally-scaled output
- root cause of a bottom-anchored dock being unclickable and
unpainted while a top-anchored bar on the same output worked.
udev/outputs.rs's relayout_outputs gained the same physical/logical
split for cross-output positioning, now backed by a real unit test
(next_logical_x) built from the original measured incident numbers.
- state/geometry.rs: a window's border/decoration no longer briefly
clips when moved between differently-scaled monitors mid-drag.
XWayland / stability:
- xwayland.rs, udev/session.rs, udev/platform.rs: fixed a 100%-
reproducible cold-start XKEYBOARD crash-loop (XWayland's own stdin
inherited a real, already-owned VT; env passthrough and idle-callback
spawn timing were both real, independent gaps) that had silently taken
down all X11-app support and the global-menu registrar every session.
- state/toplevel.rs, state/lifecycle.rs: XWayland dialog detection via
WM_TRANSIENT_FOR, not just a native xdg_toplevel parent.
Rendering:
- udev/render.rs, decoration.rs: real GPU (GBM+EGL+DrmCompositor)
window-content and cursor rendering on the udev backend, falling back
to the untouched Pixman path automatically on any init failure.
- decoration/tests.rs, state/mod.rs: rounded-corner/border fixes for
interactive resize lag and cross-monitor moves.
Multi-cursor Phase 2 (virtual_pointer.rs, new; state/mod.rs, udev/
platform.rs, winit/nested_platform.rs): pins a zwlr_virtual_pointer_
unstable_v1 object to a specific window, bypassing the shared seat/
focus/pointer_pos path entirely via hand-rolled wl_pointer.enter/motion/
button/frame/leave against every WlPointer the target client has bound
(PointerHandle::client_pointers). Lets an agent operate one window while
a human uses another, genuinely simultaneously, with zero client
cooperation and no second wl_seat (confirmed a dead end: real clients
only ever bind the first seat advertised).
Full workspace build/test/clippy clean.
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