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- /************************************************************************
- filename: CEGUIRadioButton.h
- created: 13/4/2004
- author: Paul D Turner
-
- purpose: Interface to base class for RadioButton widget
- *************************************************************************/
- /*************************************************************************
- Crazy Eddie's GUI System (http://www.cegui.org.uk)
- Copyright (C)2004 - 2005 Paul D Turner (paul@cegui.org.uk)
-
- 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; either
- version 2.1 of the License, or (at your option) any later version.
-
- 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- *************************************************************************/
- #ifndef _CEGUIRadioButton_h_
- #define _CEGUIRadioButton_h_
-
- #include "CEGUIBase.h"
- #include "elements/CEGUIButtonBase.h"
- #include "elements/CEGUIRadioButtonProperties.h"
-
-
- #if defined(_MSC_VER)
- # pragma warning(push)
- # pragma warning(disable : 4251)
- #endif
-
-
- // Start of CEGUI namespace section
- namespace CEGUI
- {
- /*!
- \brief
- Base class to provide the logic for Radio Button widgets.
-
- */
- class CEGUIEXPORT RadioButton : public ButtonBase
- {
- public:
- static const String EventNamespace; //!< Namespace for global events
-
-
- /*************************************************************************
- Event name constants
- *************************************************************************/
- // generated internally by Window
- static const String EventSelectStateChanged; //!< The selected state of the widget has changed.
-
-
- /*************************************************************************
- Accessor Functions
- *************************************************************************/
- /*!
- \brief
- return true if the radio button is selected (has the checkmark)
-
- \return
- true if this widget is selected, false if the widget is not selected.
- */
- bool isSelected(void) const {return d_selected;}
-
-
- /*!
- \brief
- return the groupID assigned to this radio button
-
- \return
- ulong value that identifies the Radio Button group this widget belongs to.
- */
- ulong getGroupID(void) const {return d_groupID;}
-
-
- /*!
- \brief
- Return a pointer to the RadioButton object within the same group as this RadioButton, that
- is currently selected.
-
- \return
- Pointer to the RadioButton object that is the RadioButton within the same group as this RadioButton,
- and is attached to the same parent window as this RadioButton, that is currently selected.
- Returns NULL if no button within the group is selected, or if 'this' is not attached to a parent window.
- */
- RadioButton* getSelectedButtonInGroup(void) const;
-
-
- /*************************************************************************
- Manipulator Functions
- *************************************************************************/
- /*!
- \brief
- set whether the radio button is selected or not
-
- \param select
- true to put the radio button in the selected state, false to put the radio button in the
- deselected state. If changing to the selected state, any previously selected radio button
- within the same group is automatically deselected.
-
- \return
- Nothing.
- */
- void setSelected(bool select);
-
-
- /*!
- \brief
- set the groupID for this radio button
-
- \param group
- ulong value specifying the radio button group that this widget belongs to.
-
- \return
- Nothing.
- */
- void setGroupID(ulong group);
-
-
- /*************************************************************************
- Construction / Destruction
- *************************************************************************/
- RadioButton(const String& type, const String& name);
- virtual ~RadioButton(void);
-
-
- protected:
- /*************************************************************************
- Implementation Functions
- *************************************************************************/
- /*!
- \brief
- Add radio button specific events
- */
- void addRadioButtonEvents(void);
-
-
- /*!
- \brief
- Deselect any selected radio buttons attached to the same parent within the same group
- (but not do not deselect 'this').
- */
- void deselectOtherButtonsInGroup(void) const;
-
-
- /*!
- \brief
- Return whether this window was inherited from the given class name at some point in the inheritance heirarchy.
-
- \param class_name
- The class name that is to be checked.
-
- \return
- true if this window was inherited from \a class_name. false if not.
- */
- virtual bool testClassName_impl(const String& class_name) const
- {
- if (class_name==(const utf8*)"RadioButton") return true;
- return ButtonBase::testClassName_impl(class_name);
- }
-
-
- /*************************************************************************
- New Radio Button Events
- *************************************************************************/
- /*!
- \brief
- event triggered internally when the select state of the button changes.
- */
- virtual void onSelectStateChanged(WindowEventArgs& e);
-
-
- /*************************************************************************
- Overridden Event handlers
- *************************************************************************/
- virtual void onMouseButtonUp(MouseEventArgs& e);
-
-
- /*************************************************************************
- Implementation Data
- *************************************************************************/
- bool d_selected; // true when radio button is selected (has checkmark)
- ulong d_groupID; // radio button group ID
-
-
- private:
- /*************************************************************************
- Static Properties for this class
- *************************************************************************/
- static RadioButtonProperties::Selected d_selectedProperty;
- static RadioButtonProperties::GroupID d_groupIDProperty;
-
-
- /*************************************************************************
- Private methods
- *************************************************************************/
- void addRadioButtonProperties(void);
- };
-
-
- } // End of CEGUI namespace section
-
- #if defined(_MSC_VER)
- # pragma warning(pop)
- #endif
-
- #endif // end of guard _CEGUIRadioButton_h_
-