// ---------------------------------------------------------------------------- // - Open3D: www.open3d.org - // ---------------------------------------------------------------------------- // The MIT License (MIT) // // Copyright (c) 2018 www.open3d.org // // Permission is hereby granted, free of charge, to any person obtaining a copy // of this software and associated documentation files (the "Software"), to deal // in the Software without restriction, including without limitation the rights // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell // copies of the Software, and to permit persons to whom the Software is // furnished to do so, subject to the following conditions: // // The above copyright notice and this permission notice shall be included in // all copies or substantial portions of the Software. // // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING // FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS // IN THE SOFTWARE. // ---------------------------------------------------------------------------- #pragma once #include #include "Open3D/GUI/Events.h" #define GUI_USE_NATIVE_MENUS 1 namespace open3d { namespace gui { struct DrawContext; struct Theme; class Menu { friend class Application; public: using ItemId = int; static constexpr ItemId NO_ITEM = -1; Menu(); virtual ~Menu(); void AddItem(const char* name, ItemId item_id = NO_ITEM, KeyName key = KEY_NONE); void AddMenu(const char* name, std::shared_ptr submenu); void AddSeparator(); /// Searches the menu hierarchy down from this menu to find the item /// and returns true if the item is enabled. bool IsEnabled(ItemId item_id) const; /// Searches the menu hierarchy down from this menu to find the item /// and set it enabled according to \p enabled. void SetEnabled(ItemId item_id, bool enabled); bool IsChecked(ItemId item_id) const; void SetChecked(ItemId item_id, bool checked); int CalcHeight(const Theme& theme) const; ItemId DrawMenuBar(const DrawContext& context, bool is_enabled); ItemId Draw(const DrawContext& context, const char* name, bool is_enabled); protected: void* GetNativePointer(); // nullptr if not using native menus private: struct Impl; std::unique_ptr impl_; }; } // namespace gui } // namespace open3d