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# Phase 7 — EWMH Basics
---
## Step 7.1 — Set root window EWMH properties
At startup, set on the root window:
- `_NET_SUPPORTED` — list of atoms we support.
- `_NET_SUPPORTING_WM_CHECK` — create a child window, set `_NET_WM_NAME`
on it to `"winman-raylib"`.
- `_NET_CLIENT_LIST` — list of managed windows.
- `_NET_ACTIVE_WINDOW` — currently focused window.
- `_NET_NUMBER_OF_DESKTOPS` — `1` (for now).
- `_NET_CURRENT_DESKTOP` — `0`.
Update `_NET_CLIENT_LIST` and `_NET_ACTIVE_WINDOW` as windows are
added/removed/focused.
**Verify:** `DISPLAY=:1 wmctrl -m` shows the WM name. `wmctrl -l` lists
managed windows. `xprop -root _NET_SUPPORTED` shows the atom list.
---
## Step 7.2 — Handle _NET_WM_WINDOW_TYPE
Read `_NET_WM_WINDOW_TYPE` from each window on map. Handle at minimum:
- `_NET_WM_WINDOW_TYPE_NORMAL` — standard management.
- `_NET_WM_WINDOW_TYPE_DIALOG` — don't decorate differently (for now),
but keep above parent if `WM_TRANSIENT_FOR` is set.
- `_NET_WM_WINDOW_TYPE_DOCK` — don't manage (panels); reserve screen
space per `_NET_WM_STRUT` / `_NET_WM_STRUT_PARTIAL`.
**Verify:** A dock-type window (e.g., `DISPLAY=:1 tint2` or a custom
test client) is not given a title bar and stays above other windows.
---
## Step 7.3 — Handle _NET_WM_STATE (fullscreen)
Listen for `_NET_WM_STATE` `ClientMessage` requests. Implement at
minimum:
- `_NET_WM_STATE_FULLSCREEN` — resize window to fill screen, remove
decorations, draw above all others.
**Verify:** `DISPLAY=:1 wmctrl -r :ACTIVE: -b toggle,fullscreen` toggles
the focused window to fullscreen and back.
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