Add workspace to outputs

sway/tree/workspace.c

@@ -0,0 +1,26 @@
+#define _XOPEN_SOURCE 500
+#include <stdbool.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include "sway/container.h"
+#include "log.h"
+
+void next_name_map(swayc_t *ws, void *data) {
+	int *count = data;
+	++count;
+}
+
+char *workspace_next_name(const char *output_name) {
+	sway_log(L_DEBUG, "Workspace: Generating new workspace name for output %s",
+			output_name);
+	int count = 0;
+	next_name_map(&root_container, &count);
+	++count;
+	int len = snprintf(NULL, 0, "%d", count);
+	char *name = malloc(len + 1);
+	if (!sway_assert(name, "Failed to allocate workspace name")) {
+		return NULL;
+	}
+	snprintf(name, len + 1, "%d", count);
+	return name;
+}