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Author SHA1 Message Date
Levi Neely d2632b8487 wayland: Phase 31 — Wayland backend skeleton (complete stub vtable) 
Add --enable-wayland-backend configure option (default: auto).
Requires wlroots >= 0.15, wayland-server, xkbcommon via pkg-config.
Detected at build time on this system: wlroots 0.15.1.

New files:
  src/backend/wayland/wl_backend.h — declares extern const WMBackend wl_backend
  src/backend/wayland/wl_backend.c — complete stub vtable (108 slots)

All stubs return safe zero/null/false values.  Every slot matches the
exact WMBackend function-pointer signature; zero compiler warnings.
Build system compiles the Wayland backend files conditionally when
USE_WAYLAND_BACKEND is set; WLROOTS_CFLAGS/LIBS wired into AM_CFLAGS
and wmaker_LDADD.

Subsequent phases will replace stubs with real wlroots implementations.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
 2026-03-27 22:12:41 +01:00
Levi Neely a486329b52 Wayland backend abstraction: WMBackend vtable (Phases 0–30) 
Introduce a display-system-agnostic WMBackend vtable that routes all
display operations through function pointers, making the WM policy
layer independent of X11.  The X11 implementation is preserved in
src/backend/x11/ and behaviour is unchanged.

Key structural changes
──────────────────────
• src/backend/backend_types.h — backend-neutral type definitions:
    WNativeWindow, WKeyCode, WContextKey, WBackendScreen,
    WBackendEvent (+typed fields), WNormalHints, WWMHints,
    WNETWindowType, WHeadGeometry, WClientAttributes, WClientVisual,
    WSegment, WPoint, WM_KEY_* keysym constants, WA_* atom IDs,
    WKB_GROUP*_INDEX, WCUR_NONE

• src/backend/backend.h — WMBackend vtable (~100 function-pointer
    slots) covering: frame/context lifecycle, stacking, focus, grabs,
    pointer, keyboard, overlays, properties, ICCCM, EWMH/NETWM,
    monitors, screen setup, cursors, extensions, error handlers.
    No <X11/> headers remain in this file after Phase 30.

• src/backend/x11/ — X11 backend implementation:
    x11_backend.c  full vtable; all display calls confined here
    x11_props.c    WM_NORMAL_HINTS / WM_HINTS translation
    x11_event.c    XEvent → WBackendEvent translation
    x11_monitor.c  Xinerama / RandR monitor query

Policy files cleaned
────────────────────
All 47 files in WM_POLICY_CLEAN_FILES pass check-no-x11-policy
(no direct #include <X11/> anywhere).  X11 types that still appear
in policy structs (Visual*, Colormap, Window, Atom …) arrive only
transitively via WINGs.h; the vtable boundary itself is X11-free.

Tests
─────
• tests/smoke-test.sh — full Xvfb lifecycle test (PASS)
• tests/test_geom.c   — geometry / constraint unit tests
• tests/test_x11_event.c — WBackendEvent field extraction tests

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
 2026-03-27 19:20:00 +01:00
Levi Neely fcee811b99 WindowMaker 0.96.0 upstream source 2026-03-26 15:38:49 +01:00