feat(ports): add layer surface messages and scene layers

commit: ffa1efa963dfd74b3bfb55a9c0411dc60705805e
author: brice · 29d ago · 2026-09-23 16:06 UTC
parent: e930e7f
signature: GPG VerifiedCD88F9E564E0102646FB6077A1A07C7C7C3E349D · arch-gpg Verified for the committer email

1 file · +47 -0

M internal/ports/messages.go +47 -0


@@ -24,6 +24,43 @@ type WindowFullscreenRequest struct {
24	24
25	25		func (WindowFullscreenRequest) clientEvent() {}
26	26
	27	+	// Layer is a wlr-layer-shell stacking layer.
	28	+	type Layer uint32
	29	+
	30	+	const (
	31	+	LayerBackground Layer = iota
	32	+	LayerBottom
	33	+	LayerTop
	34	+	LayerOverlay
	35	+	)
	36	+
	37	+	// Anchor edges, as in zwlr_layer_surface_v1.anchor.
	38	+	const (
	39	+	AnchorTop uint32 = 1
	40	+	AnchorBottom uint32 = 2
	41	+	AnchorLeft uint32 = 4
	42	+	AnchorRight uint32 = 8
	43	+	)
	44	+
	45	+	// LayerSurface is the committed state of one mapped layer surface. Width and
	46	+	// Height are the committed buffer size. Margin is top, right, bottom, left.
	47	+	// IDs share the WindowID space with windows and never collide.
	48	+	type LayerSurface struct {
	49	+	ID WindowID
	50	+	Layer Layer
	51	+	Anchor uint32
	52	+	ExclusiveZone int32
	53	+	Margin [4]int32
	54	+	Width, Height int
	55	+	Namespace string
	56	+	}
	57	+
	58	+	// LayerChanged carries wayland → core the full list of mapped layer surfaces,
	59	+	// sent whenever a layer surface maps, unmaps or commits new layer state.
	60	+	type LayerChanged struct{ Layers []LayerSurface }
	61	+
	62	+	func (LayerChanged) clientEvent() {}
	63	+
27	64		// Mods carries input → core modifier flags.
28	65		type Mods uint8
29	66

@@ -151,6 +188,16 @@ type Scene struct {
151	188		OutputWidth, OutputHeight int
152	189		Background string
153	190		Windows []SceneWindow
	191	+	// Layers are drawn in slice order: background and bottom before windows,
	192	+	// top and overlay after. A fullscreen window covers bottom and top.
	193	+	Layers []SceneLayer
	194	+	}
	195	+
	196	+	// SceneLayer carries core → renderer layer surface placement.
	197	+	type SceneLayer struct {
	198	+	ID WindowID
	199	+	Layer Layer
	200	+	Rect Rect
154	201		}
155	202
156	203		// SurfaceContent carries wayland → output the latest committed pixels of a


@@ -24,6 +24,43 @@ type WindowFullscreenRequest struct {
24		24
25	func (WindowFullscreenRequest) clientEvent() {}	25		func (WindowFullscreenRequest) clientEvent() {}
26		26
		27	+	// Layer is a wlr-layer-shell stacking layer.
		28	+	type Layer uint32
		29	+
		30	+	const (
		31	+	LayerBackground Layer = iota
		32	+	LayerBottom
		33	+	LayerTop
		34	+	LayerOverlay
		35	+	)
		36	+
		37	+	// Anchor edges, as in zwlr_layer_surface_v1.anchor.
		38	+	const (
		39	+	AnchorTop uint32 = 1
		40	+	AnchorBottom uint32 = 2
		41	+	AnchorLeft uint32 = 4
		42	+	AnchorRight uint32 = 8
		43	+	)
		44	+
		45	+	// LayerSurface is the committed state of one mapped layer surface. Width and
		46	+	// Height are the committed buffer size. Margin is top, right, bottom, left.
		47	+	// IDs share the WindowID space with windows and never collide.
		48	+	type LayerSurface struct {
		49	+	ID WindowID
		50	+	Layer Layer
		51	+	Anchor uint32
		52	+	ExclusiveZone int32
		53	+	Margin [4]int32
		54	+	Width, Height int
		55	+	Namespace string
		56	+	}
		57	+
		58	+	// LayerChanged carries wayland → core the full list of mapped layer surfaces,
		59	+	// sent whenever a layer surface maps, unmaps or commits new layer state.
		60	+	type LayerChanged struct{ Layers []LayerSurface }
		61	+
		62	+	func (LayerChanged) clientEvent() {}
		63	+
27	// Mods carries input → core modifier flags.	64		// Mods carries input → core modifier flags.
28	type Mods uint8	65		type Mods uint8
29		66

@@ -151,6 +188,16 @@ type Scene struct {
151	OutputWidth, OutputHeight int	188		OutputWidth, OutputHeight int
152	Background string	189		Background string
153	Windows []SceneWindow	190		Windows []SceneWindow
		191	+	// Layers are drawn in slice order: background and bottom before windows,
		192	+	// top and overlay after. A fullscreen window covers bottom and top.
		193	+	Layers []SceneLayer
		194	+	}
		195	+
		196	+	// SceneLayer carries core → renderer layer surface placement.
		197	+	type SceneLayer struct {
		198	+	ID WindowID
		199	+	Layer Layer
		200	+	Rect Rect
154	}	201		}
155		202
156	// SurfaceContent carries wayland → output the latest committed pixels of a	203		// SurfaceContent carries wayland → output the latest committed pixels of a