/indra/newview/lldndbutton.h
C++ Header | 80 lines | 24 code | 12 blank | 44 comment | 0 complexity | 4695b8fa3d671cffdba70e3314999a7c MD5 | raw file
Possible License(s): LGPL-2.1
- /**
- * @file lldndbutton.h
- * @brief Declaration of the drag-n-drop button.
- *
- * $LicenseInfo:firstyear=2009&license=viewerlgpl$
- * 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
- * $/LicenseInfo$
- */
- #ifndef LL_LLDNDBUTTON_H
- #define LL_LLDNDBUTTON_H
- #include "llbutton.h"
- /**
- * Class representing a button which can handle Drag-And-Drop event.
- *
- * LLDragAndDropButton does not contain any logic to handle Drag-And-Drop itself.
- * Instead it provides drag_drop_handler_t which can be set to the button.
- * Then each Drag-And-Drop will be delegated to this handler without any pre/post processing.
- *
- * All xml parameters are the same as LLButton has.
- *
- * @see LLLandmarksPanel for example of usage of this class.
- */
- class LLDragAndDropButton : public LLButton
- {
- public:
- struct Params : public LLInitParam::Block<Params, LLButton::Params> {};
- LLDragAndDropButton(const Params& params);
- typedef boost::function<bool (
- S32 /*x*/, S32 /*y*/, MASK /*mask*/, BOOL /*drop*/,
- EDragAndDropType /*cargo_type*/,
- void* /*cargo_data*/,
- EAcceptance* /*accept*/,
- std::string& /*tooltip_msg*/)> drag_drop_handler_t;
- /**
- * Sets a handler which should process Drag-And-Drop.
- */
- void setDragAndDropHandler(drag_drop_handler_t handler) { mDragDropHandler = handler; }
- /**
- * Process Drag-And-Drop by delegating the event to drag_drop_handler_t.
- *
- * @return BOOL - value returned by drag_drop_handler_t if it is set, FALSE otherwise.
- */
- /*virtual*/ BOOL handleDragAndDrop(S32 x, S32 y, MASK mask, BOOL drop,
- EDragAndDropType cargo_type,
- void* cargo_data,
- EAcceptance* accept,
- std::string& tooltip_msg);
- private:
- drag_drop_handler_t mDragDropHandler;
- };
- #endif // LL_LLDNDBUTTON_H