Merge pull request 'packaging: republish python-pywal to [breadway]' (#6) from fix/republish-python-pywal into main

Reviewed-on: #6

iso/airootfs/etc/skel/.config/bread/modules/external-monitors.lua

@@ -0,0 +1,228 @@
+-- external-monitors — behave like a normal laptop desktop
+--
+-- Plug in any display (HDMI, DisplayPort, USB-C dock, a random TV) and
+-- the session just works. No output names to edit.
+--
+--   • the laptop panel stays at its preferred (native) mode
+--   • each external uses its preferred mode and refresh
+--   • new screens clone the laptop (set ARRANGE = "extend" to sit to the right)
+--   • closing the lid does not sleep while an external is on
+--   • unplug everything and the laptop is the only display again
+--
+-- Drop-in: copy to ~/.config/bread/modules/ and `bread reload`.
+
+local M = bread.module({
+    name    = "external-monitors",
+    version = "1.0.0",
+    after   = { "bread.monitors" },
+})
+
+-- "mirror" = every external clones the laptop (presentations, TVs)
+-- "extend" = extra desktop to the right
+local ARRANGE = "mirror"
+local SCALE   = "auto"
+
+local INTERNAL_RE = "^eDP"
+local INHIBITOR   = "/tmp/bread-lid-inhibitor.pid"
+
+local function inhibit_lid()
+    if bread.fs.exists(INHIBITOR) then return end
+    bread.exec(
+        "bash -c 'systemd-inhibit --what=handle-lid-switch --who=bread "
+            .. "--why=external-display sleep infinity & echo $! > "
+            .. INHIBITOR
+            .. "'"
+    )
+end
+
+local function release_lid()
+    bread.exec(
+        "bash -c 'kill $(cat " .. INHIBITOR .. " 2>/dev/null) 2>/dev/null; rm -f " .. INHIBITOR .. "'"
+    )
+end
+
+local function is_internal(name)
+    return type(name) == "string" and name:match(INTERNAL_RE) ~= nil
+end
+
+local function drm_status(name)
+    for card = 0, 5 do
+        local raw = bread.fs.read(string.format("/sys/class/drm/card%d-%s/status", card, name))
+        if raw then
+            return raw:match("^%s*(%S+)")
+        end
+    end
+    return nil
+end
+
+local function drm_first_mode(name)
+    for card = 0, 5 do
+        local raw = bread.fs.read(string.format("/sys/class/drm/card%d-%s/modes", card, name))
+        if raw then
+            local w, h = raw:match("(%d+)x(%d+)")
+            if w then
+                return tonumber(w), tonumber(h)
+            end
+        end
+    end
+    return 1920, 1080
+end
+
+local function list_connectors()
+    local names = {}
+    local ok, out = bread.exec_capture("ls /sys/class/drm", { timeout_ms = 500 })
+    if not ok or not out then
+        return names
+    end
+    for ent in out:gmatch("[^%s]+") do
+        local name = ent:match("^card%d+%-(.+)$")
+        if name and not name:match("^Writeback") then
+            names[#names + 1] = name
+        end
+    end
+    table.sort(names)
+    return names
+end
+
+local function connected()
+    local internal, externals = nil, {}
+    for _, name in ipairs(list_connectors()) do
+        if drm_status(name) == "connected" then
+            if is_internal(name) then
+                internal = internal or name
+            else
+                externals[#externals + 1] = name
+            end
+        end
+    end
+    return internal or "eDP-1", externals
+end
+
+-- BOS Hyprland talks Lua (`hl.monitor`). Stock Hyprland uses the
+-- `monitor=` keyword. Try eval first, then keyword.
+local function apply_monitor(opts)
+    local extra = ""
+    if opts.mirror and opts.mirror ~= "" then
+        extra = string.format(", mirror = %q", opts.mirror)
+    end
+    local expr = string.format(
+        "hl.monitor({ output = %q, mode = %q, position = %q, scale = %q%s })",
+        opts.output,
+        opts.mode or "preferred",
+        opts.position or "0x0",
+        opts.scale or SCALE,
+        extra
+    )
+    local resp = bread.hyprland.eval(expr)
+    if type(resp) == "string" and resp:match("error") then
+        local spec = string.format(
+            "%s, %s, %s, %s",
+            opts.output,
+            opts.mode or "preferred",
+            opts.position or "0x0",
+            opts.scale or SCALE
+        )
+        if opts.mirror and opts.mirror ~= "" then
+            spec = spec .. ", mirror, " .. opts.mirror
+        end
+        bread.hyprland.keyword("monitor", spec)
+    end
+end
+
+local function apply(internal, externals)
+    apply_monitor({
+        output   = internal,
+        mode     = "preferred",
+        position = "0x0",
+        scale    = SCALE,
+    })
+
+    if ARRANGE == "mirror" then
+        for _, name in ipairs(externals) do
+            apply_monitor({
+                output   = name,
+                mode     = "preferred",
+                position = "0x0",
+                scale    = SCALE,
+                mirror   = internal,
+            })
+        end
+        return
+    end
+
+    local x = select(1, drm_first_mode(internal)) or 1920
+    for _, name in ipairs(externals) do
+        apply_monitor({
+            output   = name,
+            mode     = "preferred",
+            position = x .. "x0",
+            scale    = SCALE,
+        })
+        local w = select(1, drm_first_mode(name)) or 1920
+        x = x + w
+    end
+end
+
+function M.on_load()
+    local last = nil
+    local applied = false
+
+    local function evaluate()
+        local internal, externals = connected()
+        local sig = internal .. "|" .. table.concat(externals, ",")
+        if sig == last then
+            return
+        end
+        last = sig
+
+        if #externals == 0 then
+            if applied then
+                apply_monitor({
+                    output   = internal,
+                    mode     = "preferred",
+                    position = "0x0",
+                    scale    = SCALE,
+                })
+                release_lid()
+                applied = false
+            end
+            return
+        end
+
+        apply(internal, externals)
+        inhibit_lid()
+        applied = true
+        bread.log("[external-monitors] " .. internal .. " + " .. table.concat(externals, ", "))
+    end
+
+    local settle = bread.debounce(1500, evaluate)
+
+    bread.on("bread.hyprland.monitor.connected", function(event)
+        local name = event.data and event.data.name
+        if name and not is_internal(name) then
+            bread.notify("Display connected: " .. name, { urgency = "low" })
+        end
+        settle()
+    end)
+
+    bread.on("bread.hyprland.monitor.disconnected", function()
+        settle()
+    end)
+
+    bread.on("bread.device.**", function(event)
+        local sub = event.data and event.data.subsystem
+        if sub == "drm" then
+            settle()
+        end
+    end)
+
+    bread.hyprland.on_raw("configreloaded", function()
+        last = nil
+        evaluate()
+    end)
+
+    bread.every(3000, evaluate)
+    settle()
+end
+
+return M

iso/packages.x86_64

@@ -225,6 +225,8 @@ slurp
 wl-clipboard
 playerctl
 # Wallpaper daemon + pywal (drives the bread* colour palette from the wallpaper).
+# python-pywal was dropped from Arch [extra] (AUR-only now) — republished to
+# [breadway], see packaging/python-pywal.
 awww
 python-pywal
 # Boot splash (BOS logo + spinner instead of kernel text).