move output code out of the tree

sway/desktop/output.c

@@ -2,6 +2,7 @@
 #include <assert.h>
 #include <stdlib.h>
 #include <time.h>
+#include <strings.h>
 #include <wayland-server.h>
 #include <wlr/render/wlr_renderer.h>
 #include <wlr/types/wlr_box.h>
@@ -21,6 +22,16 @@
 #include "sway/tree/layout.h"
 #include "sway/tree/view.h"
 
+struct sway_container *output_by_name(const char *name) {
+	for (int i = 0; i < root_container.children->length; ++i) {
+		struct sway_container *output = root_container.children->items[i];
+		if (strcasecmp(output->name, name) == 0){
+			return output;
+		}
+	}
+	return NULL;
+}
+
 /**
  * Rotate a child's position relative to a parent. The parent size is (pw, ph),
  * the child position is (*sx, *sy) and its size is (sw, sh).

sway/meson.build

@@ -86,7 +86,6 @@ sway_sources = files(
 	'security.c',
 	'tree/container.c',
 	'tree/layout.c',
-	'tree/output.c',
 	'tree/view.c',
 	'tree/workspace.c',
 )

sway/tree/output.c

@@ -1,15 +0,0 @@
-#include <strings.h>
-#include "sway/tree/container.h"
-#include "sway/tree/layout.h"
-#include "sway/output.h"
-#include "log.h"
-
-struct sway_container *output_by_name(const char *name) {
-	for (int i = 0; i < root_container.children->length; ++i) {
-		struct sway_container *output = root_container.children->items[i];
-		if (strcasecmp(output->name, name) == 0){
-			return output;
-		}
-	}
-	return NULL;
-}