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/**
* @file llradiogroup.h
* @brief LLRadioGroup base class
*
* $LicenseInfo:firstyear=2001&license=viewergpl$
*
* Copyright (c) 2001-2009, 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 LLRadioCtrl : public LLCheckBoxCtrl
{
public:
struct Params : public LLInitParam::Block<Params, LLCheckBoxCtrl::Params>
{
Ignored length;
Ignored type;
Params()
: length("length"),
type("type")
{}
};
/*virtual*/ ~LLRadioCtrl();
/*virtual*/ void setValue(const LLSD& value);
/*virtual*/ BOOL postBuild();
// Ensure label is in an attribute, not the contents
static void setupParamsForExport(Params& p, LLView* parent);
protected:
LLRadioCtrl(const Params& p);
friend class LLUICtrlFactory;
};
struct RadioGroupRegistry : public LLChildRegistry<RadioGroupRegistry>
{};
/*
* 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 Params : public LLInitParam::Block<Params, LLUICtrl::Params>
{
Optional<bool> has_border;
Params();
};
// my valid children are stored in this registry
typedef RadioGroupRegistry child_registry_t;
protected:
LLRadioGroup(const Params&);
friend class LLUICtrlFactory;
public:
virtual ~LLRadioGroup();
virtual BOOL postBuild();
virtual bool addChild(LLView* view, S32 tab_group = 0);
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;
// Draw the group, but also fix the highlighting based on the control.
void draw();
// 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<LLRadioCtrl*> button_list_t;
button_list_t mRadioButtons;
BOOL mHasBorder;
};
#endif
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