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/**
* @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
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