config: 添加用户配置加载流程和默认配置

src/config/defaults.c

@@ -0,0 +1,33 @@
+#include "config/defaults.h"
+
+#include "base/macros.h"
+
+bool config_defaults_build(const zdwm_api_t *api,
+                           zdwm_config_builder_t *builder,
+                           const zdwm_output_info_t *outputs,
+                           size_t output_count) {
+  if (!api || !builder || !outputs || output_count == 0) return false;
+
+  zdwm_layout_id_t tile_id = api->register_layout(
+    builder, "tile", "[]=", "builtin tile", api->builtin_layouts.tile);
+  zdwm_layout_id_t monocle_id = api->register_layout(
+    builder, "monocle", "[M]", "builtin monocle", api->builtin_layouts.monocle);
+  zdwm_layout_id_t floating_id =
+    api->register_layout(builder, "floating", "><>", "floating", nullptr);
+  if (tile_id == ZDWM_LAYOUT_ID_INVALID ||
+      monocle_id == ZDWM_LAYOUT_ID_INVALID ||
+      floating_id == ZDWM_LAYOUT_ID_INVALID) {
+    return false;
+  }
+
+  zdwm_layout_id_t layout_ids[] = {tile_id, monocle_id, floating_id};
+  for (size_t i = 0; i < output_count; i++) {
+    if (api->define_workspace(builder, i, "main", layout_ids,
+                              countof(layout_ids),
+                              tile_id) == ZDWM_WORKSPACE_ID_INVALID) {
+      return false;
+    }
+  }
+
+  return true;
+}