Import of the watch repository from Pebble

src/fw/applib/ui/menu_layer_private.h

@@ -0,0 +1,44 @@
+/*
+ * Copyright 2024 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include "menu_layer.h"
+
+struct MenuIterator;
+
+typedef void (*MenuIteratorCallback)(struct MenuIterator *it);
+
+typedef struct MenuIterator {
+  MenuLayer * menu_layer;
+  MenuCellSpan cursor;
+  int16_t cell_bottom_y;
+  MenuIteratorCallback row_callback_before_geometry;
+  MenuIteratorCallback row_callback_after_geometry;
+  MenuIteratorCallback section_callback;
+  bool should_continue; // callback can set this to false if the row-loop should be exited.
+} MenuIterator;
+
+typedef struct MenuRenderIterator {
+  MenuIterator it;
+  GContext* ctx;
+  int16_t content_top_y;
+  int16_t content_bottom_y;
+  bool cache_set:1;
+  bool cursor_in_frame:1;
+  MenuCellSpan new_cache;
+  Layer cell_layer;
+} MenuRenderIterator;