llradiogroup.h
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- /**
- * @file llradiogroup.h
- * @brief LLRadioGroup base class
- *
- * $LicenseInfo:firstyear=2001&license=viewergpl$
- *
- * Copyright (c) 2001-2010, Linden Research, Inc.
- *
- * Second Life Viewer Source Code
- * The source code in this file ("Source Code") is provided by Linden Lab
- * to you under the terms of the GNU General Public License, version 2.0
- * ("GPL"), unless you have obtained a separate licensing agreement
- * ("Other License"), formally executed by you and Linden Lab. Terms of
- * the GPL can be found in doc/GPL-license.txt in this distribution, or
- * online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
- *
- * There are special exceptions to the terms and conditions of the GPL as
- * it is applied to this Source Code. View the full text of the exception
- * in the file doc/FLOSS-exception.txt in this software distribution, or
- * online at
- * http://secondlifegrid.net/programs/open_source/licensing/flossexception
- *
- * By copying, modifying or distributing this software, you acknowledge
- * that you have read and understood your obligations described above,
- * and agree to abide by those obligations.
- *
- * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
- * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
- * COMPLETENESS OR PERFORMANCE.
- * $/LicenseInfo$
- */
- #ifndef LL_LLRADIOGROUP_H
- #define LL_LLRADIOGROUP_H
- #include "lluictrl.h"
- #include "llcheckboxctrl.h"
- #include "llctrlselectioninterface.h"
- /*
- * An invisible view containing multiple mutually exclusive toggling
- * buttons (usually radio buttons). Automatically handles the mutex
- * condition by highlighting only one button at a time.
- */
- class LLRadioGroup
- : public LLUICtrl, public LLCtrlSelectionInterface
- {
- public:
- struct ItemParams : public LLInitParam::Block<ItemParams, LLCheckBoxCtrl::Params>
- {
- Optional<LLSD> value;
- ItemParams();
- };
- struct Params : public LLInitParam::Block<Params, LLUICtrl::Params>
- {
- Optional<bool> has_border;
- Multiple<ItemParams, AtLeast<1> > items;
- Params();
- };
- protected:
- LLRadioGroup(const Params&);
- friend class LLUICtrlFactory;
- public:
- /*virtual*/ void initFromParams(const Params&);
- virtual ~LLRadioGroup();
-
- virtual BOOL postBuild();
-
- virtual BOOL handleMouseDown(S32 x, S32 y, MASK mask);
-
- virtual BOOL handleKeyHere(KEY key, MASK mask);
- void setIndexEnabled(S32 index, BOOL enabled);
- // return the index value of the selected item
- S32 getSelectedIndex() const { return mSelectedIndex; }
-
- // set the index value programatically
- BOOL setSelectedIndex(S32 index, BOOL from_event = FALSE);
- // Accept and retrieve strings of the radio group control names
- virtual void setValue(const LLSD& value );
- virtual LLSD getValue() const;
- // Update the control as needed. Userdata must be a pointer to the button.
- void onClickButton(LLUICtrl* clicked_radio);
-
- //========================================================================
- LLCtrlSelectionInterface* getSelectionInterface() { return (LLCtrlSelectionInterface*)this; };
- // LLCtrlSelectionInterface functions
- /*virtual*/ S32 getItemCount() const { return mRadioButtons.size(); }
- /*virtual*/ BOOL getCanSelect() const { return TRUE; }
- /*virtual*/ BOOL selectFirstItem() { return setSelectedIndex(0); }
- /*virtual*/ BOOL selectNthItem( S32 index ) { return setSelectedIndex(index); }
- /*virtual*/ BOOL selectItemRange( S32 first, S32 last ) { return setSelectedIndex(first); }
- /*virtual*/ S32 getFirstSelectedIndex() const { return getSelectedIndex(); }
- /*virtual*/ BOOL setCurrentByID( const LLUUID& id );
- /*virtual*/ LLUUID getCurrentID() const; // LLUUID::null if no items in menu
- /*virtual*/ BOOL setSelectedByValue(const LLSD& value, BOOL selected);
- /*virtual*/ LLSD getSelectedValue();
- /*virtual*/ BOOL isSelected(const LLSD& value) const;
- /*virtual*/ BOOL operateOnSelection(EOperation op);
- /*virtual*/ BOOL operateOnAll(EOperation op);
- private:
- const LLFontGL* mFont;
- S32 mSelectedIndex;
- typedef std::vector<class LLRadioCtrl*> button_list_t;
- button_list_t mRadioButtons;
- BOOL mHasBorder;
- };
- #endif