feat: add Wayland Screen Mirror plugin (#86)

* feat: add wl-screen-mirror plugin

* fix: naming

* rename thumbnail

* fix(error): treat user termination as a clean stop

wl-screen-mirror/widget.luau

@@ -0,0 +1,64 @@
+--!nonstrict
+
+local PANEL_ID = "elijaharch/wl-screen-mirror:controls"
+
+local status = noctalia.state.get("mirror_status") or {
+	phase = "stopped",
+	running = false,
+}
+
+local function tr(key, values)
+	return noctalia.tr(key, values)
+end
+
+local function render()
+	local phase = status.phase or "stopped"
+	barWidget.setText("")
+
+	if phase == "running" then
+		barWidget.setGlyph("screen-share")
+		barWidget.setGlyphColor("primary")
+		barWidget.setTooltip(tr("widget.running", {
+			source = status.source or "?",
+			destination = status.destination or "?",
+		}))
+	elseif phase == "starting" then
+		barWidget.setGlyph("loader-2")
+		barWidget.setGlyphColor("on_surface_variant")
+		barWidget.setTooltip(tr("widget.starting"))
+	elseif phase == "stopping" then
+		barWidget.setGlyph("loader-2")
+		barWidget.setGlyphColor("on_surface_variant")
+		barWidget.setTooltip(tr("widget.stopping"))
+	elseif phase == "error" then
+		barWidget.setGlyph("screen-share-off")
+		barWidget.setGlyphColor("error")
+		barWidget.setTooltip(status.message ~= nil and status.message ~= "" and status.message or tr("widget.error"))
+	else
+		barWidget.setGlyph("screen-share")
+		barWidget.setGlyphColor("on_surface")
+		barWidget.setTooltip(tr("widget.ready"))
+	end
+end
+
+noctalia.state.watch("mirror_status", function(value)
+	if type(value) == "table" then
+		status = value
+		render()
+	end
+end)
+
+function update()
+	local current = noctalia.state.get("mirror_status")
+	if type(current) == "table" then
+		status = current
+	end
+	render()
+end
+
+function onClick()
+	noctalia.togglePanel(PANEL_ID)
+end
+
+noctalia.setUpdateInterval(1000)
+render()