Add outputs to the tree

sway/tree/layout.c

@@ -0,0 +1,35 @@
+#define _POSIX_C_SOURCE 200809L
+#include <stdbool.h>
+#include <string.h>
+#include <wlr/types/wlr_output_layout.h>
+#include "sway/container.h"
+#include "list.h"
+#include "log.h"
+
+swayc_t root_container;
+
+void init_layout(void) {
+	root_container.id = 0; // normally assigned in new_swayc()
+	root_container.type = C_ROOT;
+	root_container.layout = L_NONE;
+	root_container.name = strdup("root");
+	root_container.children = create_list();
+	root_container.output_layout = wlr_output_layout_create();
+}
+
+void add_child(swayc_t *parent, swayc_t *child) {
+	sway_log(L_DEBUG, "Adding %p (%d, %fx%f) to %p (%d, %fx%f)",
+			child, child->type, child->width, child->height,
+			parent, parent->type, parent->width, parent->height);
+	list_add(parent->children, child);
+	child->parent = parent;
+	// set focus for this container
+	if (!parent->focused) {
+		parent->focused = child;
+	}
+	/* TODO WLR
+	if (parent->type == C_WORKSPACE && child->type == C_VIEW && (parent->workspace_layout == L_TABBED || parent->workspace_layout == L_STACKED)) {
+		child = new_container(child, parent->workspace_layout);
+	}
+	*/
+}