feat(w-engine): Add favorite section (#270)

* feat!: add favorite section

* fix: change visual for 1 scroll: wallpaper and favorite wallpaper

* feat!: update for v1.2.0

* fix: rm line downgrade quality

* fix: add downgrade quality for improve storage cache

* feat!: update thumbnail

* feat!: add favorites list in data.json

* feat!: add save favorites list across start plugin

w-engine/plugin.toml

@@ -1,6 +1,6 @@
 id = "tadomika_ari/w-engine"
 name = "W Engine"
-version = "1.1.1"
+version = "1.2.0"
 # Tile and control callbacks are Luau closures rather than named globals, which
 # the host resolves from plugin API 9 onwards.
 plugin_api = 9

w-engine/start.luau

@@ -27,6 +27,7 @@ local data = {
 	saved_wallpaper = {}, -- output -> the Noctalia wallpaper from before we took over
 	options = {},         -- id -> { engine = {...}, properties = {...} }, see buildLaunchArgs
 	defaults = {},        -- { engine = {...} } applied to every wallpaper, see optionsFor
+	favorites = {},		  -- favorites wallpapers list
 }
 
 -- linux-wallpaperengine switches that take no value. Stored as booleans; the
@@ -103,6 +104,7 @@ local function loadData()
 	data.saved_wallpaper = asTable(decoded.saved_wallpaper)
 	data.options = asTable(decoded.options)
 	data.defaults = asTable(decoded.defaults)
+	data.favorites = asTable(decoded.favorites)
 end
 
 local function saveData()

w-engine/w-engine-panel.luau

@@ -1170,12 +1170,83 @@ local function tilePreview(item, isSelected, isCurrent)
 	})
 end
 
+-- Favorite list
+
+local FavoriteList = {}
+
+local function getDataPath()
+	return noctalia.pluginDataDir() .. "/data.json"
+end
+
+local function loadData()
+	local raw = noctalia.readFile(getDataPath())
+	if not raw then
+		return {}
+	end
+	local ok, decoded = pcall(function()
+		return noctalia.json.decode(raw)
+	end)
+	if not ok or type(decoded) ~= "table" then
+		return {}
+	end
+	return decoded
+end
+
+local function saveData(data)
+	return noctalia.writeFile(getDataPath(), noctalia.json.encode(data))
+end
+
+local function loadFavoriteList()
+	local data = loadData()
+	FavoriteList = data.favorites or {}
+end
+
+local function persistFavoriteList()
+	local data = loadData() -- récupère les autres clés existantes (ex: settingsPath)
+	data.favorites = FavoriteList
+	saveData(data)
+end
+
+local function addFavoriteList(item)
+	noctalia.notify("Add Favorite")
+	table.insert(FavoriteList, item)
+	persistFavoriteList()
+end
+
+local function removeFavoriteList(item, nb)
+	noctalia.notify("Remove Favorite")
+	table.remove(FavoriteList, nb)
+	persistFavoriteList()
+end
+
+local function checkInFavoriteList(item)
+	local nb = 1
+	for _, entryName in ipairs(FavoriteList) do
+		if entryName.name == item.name then
+			removeFavoriteList(item, nb)
+			return
+		end
+		nb = nb + 1
+	end
+	addFavoriteList(item)
+end
+
 local function tileCaption(item, index, isSelected)
 	-- Numbered to show rotation order.
 	local caption = isSelected and (tostring(index) .. ". " .. item.name) or item.name
 
 	-- A fixed label width keeps every tile the same size; long titles truncate.
 	return ui.row({ gap = 2, align = "center" }, {
+		ui.button({
+			glyph = "star",
+			variant = "ghost",
+			controlSize = "sm",
+			tooltip = "Add at your favorite wallpaper",
+			onClick = function()
+				checkInFavoriteList(item)
+				render()
+			end
+		}),
 		ui.label({
 			text = caption,
 			fontSize = 11,
@@ -1239,15 +1310,45 @@ render = function()
 	if #catalog == 0 then
 		table.insert(body, ui.label({ text = tr("panel.no_wallpapers"), fontSize = 12, color = "on_surface_variant" }))
 	end
-	-- paddingRight keeps the last column clear of the scrollbar.
+
-	table.insert(
+	local favoriteRows = {}
-		body,
+	local favoriteRow = {}
-		ui.scroll({ key = "grid-scroll", gap = 12, paddingRight = 8, align = "stretch", flexGrow = 1 }, rows)
+	for index, item in ipairs(FavoriteList) do
-	)
+		table.insert(favoriteRow, tile(item, state))
+		if #favoriteRow == columns or index == #FavoriteList then
+			table.insert(favoriteRows, ui.row({ gap = 12, align = "start" }, favoriteRow))
+			favoriteRow = {}
+		end
+	end
+
+	-- Single scroll for all list (Wallpaper and Favorite Wallpaper)
+	local scrollContent = {}
+	table.insert(scrollContent, ui.label({ text = "Favorites", fontSize = 13, fontWeight = "bold", color = "on_surface" }))
+	if #FavoriteList == 0 then
+		table.insert(scrollContent, ui.label({ text = "No favorite", fontSize = 12, color = "on_surface_variant" }))
+	else
+		for _, r in ipairs(favoriteRows) do
+			table.insert(scrollContent, r)
+		end
+	end
+
+	table.insert(scrollContent,
+		ui.separator({ spacing = 12 }
+	))
+
+	table.insert(scrollContent,
+		ui.label({ text = "All wallpapers", fontSize = 13, fontWeight = "bold", color = "on_surface" }
+	))
+
+	for _, r in ipairs(rows) do
+		table.insert(scrollContent, r)
+	end
+
+	table.insert(body,
+		ui.scroll({ key = "grid-scroll", gap = 12, paddingRight = 8, align = "stretch", flexGrow = 1 }, scrollContent))
 
 	panel.render(ui.column({ flexGrow = 1, gap = 12 }, body))
 end
-
 -- ── Handlers ─────────────────────────────────────────────────────────────────
 
 -- Adopts the service's view of this output. Selection, interval and order are
@@ -1291,6 +1392,7 @@ end
 
 function onOpen(_context)
 	isOpen = true
+	loadFavoriteList()
 	outputName = noctalia.focusedOutputName() or outputName
 	if not outputName then
 		local outputs = noctalia.outputs()