From a1298580cc4ba5fab25be4d043e4f5879c4eb9ba Mon Sep 17 00:00:00 2001
From: Kirill Primak <vyivel@eclair.cafe>
Date: Wed, 14 Aug 2024 18:22:41 +0300
Subject: [PATCH] compositor: add surface role map hook

---
 include/wlr/types/wlr_compositor.h | 7 +++++++
 types/wlr_compositor.c             | 5 +++++
 2 files changed, 12 insertions(+)

diff --git a/include/wlr/types/wlr_compositor.h b/include/wlr/types/wlr_compositor.h
index 174869f4..d0d25b7a 100644
--- a/include/wlr/types/wlr_compositor.h
+++ b/include/wlr/types/wlr_compositor.h
@@ -97,6 +97,13 @@ struct wlr_surface_role {
 	 * such object exists.
 	 */
 	void (*commit)(struct wlr_surface *surface);
+	/**
+	 * Called when the surface is mapped. May be NULL.
+	 *
+	 * If the role is represented by an object, this is only called if
+	 * such object exists.
+	 */
+	void (*map)(struct wlr_surface *surface);
 	/**
 	 * Called when the surface is unmapped. May be NULL.
 	 *
diff --git a/types/wlr_compositor.c b/types/wlr_compositor.c
index 9aee912e..081af353 100644
--- a/types/wlr_compositor.c
+++ b/types/wlr_compositor.c
@@ -828,6 +828,11 @@ void wlr_surface_map(struct wlr_surface *surface) {
 		subsurface_consider_map(subsurface);
 	}
 
+	if (surface->role != NULL && surface->role->map != NULL &&
+			(surface->role_resource != NULL || surface->role->no_object)) {
+		surface->role->map(surface);
+	}
+
 	wl_signal_emit_mutable(&surface->events.map, NULL);
 }