/** * @file llsplitbutton.h * @brief LLSplitButton base class * * $LicenseInfo:firstyear=2009&license=viewerlgpl$ * 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 * $/LicenseInfo$ */ // A control that displays the name of the chosen item, which when clicked // shows a scrolling box of choices. #include "llbutton.h" #include "llpanel.h" #include "lluictrl.h" #ifndef LL_LLSPLITBUTTON_H #define LL_LLSPLITBUTTON_H class LLSplitButton : public LLUICtrl { public: typedef enum e_arrow_position { LEFT, RIGHT } EArrowPosition; struct ArrowPositionValues : public LLInitParam::TypeValuesHelper<EArrowPosition, ArrowPositionValues> { static void declareValues(); }; struct ItemParams : public LLInitParam::Block<ItemParams, LLButton::Params> { ItemParams(); }; struct Params : public LLInitParam::Block<Params, LLUICtrl::Params> { Optional<EArrowPosition, ArrowPositionValues> arrow_position; Optional<LLButton::Params> arrow_button; Optional<LLPanel::Params> items_panel; Multiple<ItemParams> items; Params(); }; virtual ~LLSplitButton(); //Overridden virtual void onFocusLost(); virtual void setFocus(BOOL b); virtual void setEnabled(BOOL enabled); //Callbacks void onArrowBtnDown(); void onHeldDownShownButton(); void onItemSelected(LLUICtrl* ctrl); void setSelectionCallback(commit_callback_t cb) { mSelectionCallback = cb; } virtual BOOL handleMouseUp(S32 x, S32 y, MASK mask); virtual void showButtons(); virtual void hideButtons(); protected: friend class LLUICtrlFactory; LLSplitButton(const LLSplitButton::Params& p); LLButton* prepareItemButton(LLButton::Params params); LLPanel* prepareItemsPanel(LLPanel::Params params, S32 items_count); LLPanel* mItemsPanel; std::list<LLButton*> mHidenItems; LLButton* mArrowBtn; LLButton* mShownItem; EArrowPosition mArrowPosition; boost::signals2::connection mTopLostSignalConnection; commit_callback_t mSelectionCallback; }; #endif