From: Andrew J. Hesford <ajh@sideband.org>
Date: Mon, 22 Jan 2024 20:38:14 +0000 (-0500)
Subject: view, xdg: notify clients when tiling windows
X-Git-Url: https://git.mdlowis.com/?a=commitdiff_plain;h=c1a2dd3e27429d729041eaa05cf43810b1d46e6e;p=proto%2Flabwc.git

view, xdg: notify clients when tiling windows
---

diff --git a/include/view.h b/include/view.h
index 866b6928..a568945c 100644
--- a/include/view.h
+++ b/include/view.h
@@ -94,6 +94,7 @@ struct view_impl {
 	void (*map)(struct view *view);
 	void (*set_activated)(struct view *view, bool activated);
 	void (*set_fullscreen)(struct view *view, bool fullscreen);
+	void (*set_tiled)(struct view *view);
 	/*
 	 * client_request is true if the client unmapped its own
 	 * surface; false if we are just minimizing the view. The two
diff --git a/src/view.c b/src/view.c
index 8a42b304..14379804 100644
--- a/src/view.c
+++ b/src/view.c
@@ -1051,6 +1051,10 @@ view_set_untiled(struct view *view)
 	view->tiled = VIEW_EDGE_INVALID;
 	view->tiled_region = NULL;
 	zfree(view->tiled_region_evacuate);
+
+	if (view->impl->set_tiled) {
+		view->impl->set_tiled(view);
+	}
 }
 
 void
@@ -1771,6 +1775,11 @@ view_snap_to_edge(struct view *view, enum view_edge edge,
 	view_set_untiled(view);
 	view_set_output(view, output);
 	view->tiled = edge;
+
+	if (view->impl->set_tiled) {
+		view->impl->set_tiled(view);
+	}
+
 	view_apply_tiled_geometry(view);
 }
 
@@ -1804,6 +1813,11 @@ view_snap_to_region(struct view *view, struct region *region,
 	}
 	view_set_untiled(view);
 	view->tiled_region = region;
+
+	if (view->impl->set_tiled) {
+		view->impl->set_tiled(view);
+	}
+
 	view_apply_region_geometry(view);
 }
 
diff --git a/src/xdg.c b/src/xdg.c
index 666264de..c338ad83 100644
--- a/src/xdg.c
+++ b/src/xdg.c
@@ -423,6 +423,41 @@ xdg_toplevel_view_set_fullscreen(struct view *view, bool fullscreen)
 		fullscreen);
 }
 
+static void
+xdg_toplevel_view_set_tiled(struct view *view)
+{
+	enum wlr_edges edge;
+
+	/*
+	 * Edge-snapped view are considered tiled on the snapped edge and those
+	 * perpendicular to it.
+	 */
+	switch (view->tiled) {
+	case VIEW_EDGE_LEFT:
+		edge = WLR_EDGE_LEFT | WLR_EDGE_TOP | WLR_EDGE_BOTTOM;
+		break;
+	case VIEW_EDGE_RIGHT:
+		edge = WLR_EDGE_RIGHT | WLR_EDGE_TOP | WLR_EDGE_BOTTOM;
+		break;
+	case VIEW_EDGE_UP:
+		edge = WLR_EDGE_TOP | WLR_EDGE_LEFT | WLR_EDGE_RIGHT;
+		break;
+	case VIEW_EDGE_DOWN:
+		edge = WLR_EDGE_BOTTOM | WLR_EDGE_LEFT | WLR_EDGE_RIGHT;
+		break;
+	default:
+		edge = WLR_EDGE_NONE;
+	}
+
+	if (view->tiled_region) {
+		/* Region-snapped views are considered tiled on all edges */
+		edge = WLR_EDGE_LEFT | WLR_EDGE_RIGHT |
+			WLR_EDGE_TOP | WLR_EDGE_BOTTOM;
+	}
+
+	wlr_xdg_toplevel_set_tiled(xdg_toplevel_from_view(view), edge);
+}
+
 static struct view *
 lookup_view_by_xdg_toplevel(struct server *server,
 		struct wlr_xdg_toplevel *xdg_toplevel)
@@ -594,6 +629,7 @@ static const struct view_impl xdg_toplevel_view_impl = {
 	.map = xdg_toplevel_view_map,
 	.set_activated = xdg_toplevel_view_set_activated,
 	.set_fullscreen = xdg_toplevel_view_set_fullscreen,
+	.set_tiled = xdg_toplevel_view_set_tiled,
 	.unmap = xdg_toplevel_view_unmap,
 	.maximize = xdg_toplevel_view_maximize,
 	.minimize = xdg_toplevel_view_minimize,