/** * @file llbutton.h * @brief Header for buttons * * $LicenseInfo:firstyear=2001&license=viewerlgpl$ * Second Life Viewer Source Code * Copyright (C) 2010, Linden Research, Inc. * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; * version 2.1 of the License only. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA * * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA * $/LicenseInfo$ */ #ifndef LL_LLMENUBUTTON_H #define LL_LLMENUBUTTON_H #include "llbutton.h" class LLToggleableMenu; class LLMenuButton : public LLButton { LOG_CLASS(LLMenuButton); public: typedef enum e_menu_position { MP_TOP_LEFT, MP_TOP_RIGHT, MP_BOTTOM_LEFT, MP_BOTTOM_RIGHT } EMenuPosition; struct MenuPositions : public LLInitParam::TypeValuesHelper<EMenuPosition, MenuPositions> { static void declareValues(); }; struct Params : public LLInitParam::Block<Params, LLButton::Params> { // filename for it's toggleable menu Optional<std::string> menu_filename; Optional<EMenuPosition, MenuPositions> position; Params(); }; boost::signals2::connection setMouseDownCallback( const mouse_signal_t::slot_type& cb ); /*virtual*/ bool handleMouseDown(S32 x, S32 y, MASK mask); /*virtual*/ bool handleKeyHere(KEY key, MASK mask ); void hideMenu(); LLToggleableMenu* getMenu(); void setMenu(const std::string& menu_filename, EMenuPosition position = MP_TOP_LEFT); void setMenu(LLToggleableMenu* menu, EMenuPosition position = MP_TOP_LEFT, bool take_ownership = false); void setMenuPosition(EMenuPosition position) { mMenuPosition = position; } protected: friend class LLUICtrlFactory; LLMenuButton(const Params&); ~LLMenuButton(); void toggleMenu(); void updateMenuOrigin(); void onMenuVisibilityChange(const LLSD& param); private: void cleanup(); LLHandle<LLView> mMenuHandle; bool mIsMenuShown; EMenuPosition mMenuPosition; S32 mX; S32 mY; bool mOwnMenu; // true if we manage the menu lifetime }; #endif // LL_LLMENUBUTTON_H