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- /************************************************************************
- filename: CEGUIMenuBase.h
- created: 5/4/2005
- author: Tomas Lindquist Olsen (based on code by Paul D Turner)
-
- purpose: Interface to base class for MenuBase 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 _CEGUIMenuBase_h_
- #define _CEGUIMenuBase_h_
-
- #include "CEGUIBase.h"
- #include "CEGUIWindow.h"
- #include "elements/CEGUIMenuBaseProperties.h"
- #include "elements/CEGUIItemListBase.h"
-
-
- #if defined(_MSC_VER)
- # pragma warning(push)
- # pragma warning(disable : 4251)
- #endif
-
-
- // Start of CEGUI namespace section
- namespace CEGUI
- {
-
- /*!
- \brief
- Abstract base class for menus.
- */
- class CEGUIEXPORT MenuBase : public ItemListBase
- {
- public:
- static const String EventNamespace; //!< Namespace for global events
-
- /*************************************************************************
- Constants
- *************************************************************************/
- static const colour DefaultBackgroundColour; //!< Default background colour
-
-
- /*************************************************************************
- Event name constants
- *************************************************************************/
- // generated internally by Window
- static const String EventPopupOpened; //!< A MenuItem attached to this menu opened a PopupMenu
- static const String EventPopupClosed; //!< A MenuItem attached to this menu opened a PopupMenu
-
-
- /*************************************************************************
- Accessor type functions
- *************************************************************************/
- /*!
- \brief
- Get the item spacing for this menu.
-
- \return
- A float value with the current item spacing for this menu
- */
- float getItemSpacing(void) const {return d_itemSpacing;}
-
-
- /*!
- \brief
- Get the horizontal padding for this menu's items.
-
- \return
- A float value with the current horizontal padding for this menu's items.
- */
- float getHorzPadding(void) const {return d_horzPadding;}
-
-
- /*!
- \brief
- Get the vertical padding for this menu's items.
-
- \return
- A float value with the current vertical padding for this menu's items.
- */
- float getVertPadding(void) const {return d_vertPadding;}
-
-
- /*!
- \brief
- Get the border width for this menu.
-
- \return
- A float value with the current border width for this menu.
- */
- float getBorderWidth(void) const {return d_borderWidth;}
-
-
- /*!
- \brief
- Get the ColourRect with the colours used for rendering the background of this menu.
-
- \return
- A ColourRect with the colours used for rendering the background of this menu.
- */
- const ColourRect& getBackgroundColours(void) const {return d_backgroundColours;}
-
-
- /*!
- \brief
- Return whether this menu allows multiple popup menus to open at the same time.
-
- \return
- true if this menu allows multiple popup menus to be opened simultaneously. false if not
- */
- bool isMultiplePopupsAllowed(void) const {return d_allowMultiplePopups;}
-
-
- /*!
- \brief
- Get currently opened MenuItem in this menu. Returns NULL if menu item is open.
-
- \return
- Pointer to the MenuItem currently open.
- */
- MenuItem* getPopupMenuItem(void) const {return d_popup;}
-
-
- /*************************************************************************
- Manipulators
- *************************************************************************/
- /*!
- \brief
- Set the item spacing for this menu.
- */
- void setItemSpacing(float spacing) {d_itemSpacing=spacing;handleUpdatedItemData();}
-
-
- /*!
- \brief
- Set the horizontal padding for this menu's items.
- */
- void setHorzPadding(float padding) {d_horzPadding=padding;handleUpdatedItemData();}
-
-
- /*!
- \brief
- Set the vertical padding for this menu's items.
- */
- void setVertPadding(float padding) {d_vertPadding=padding;handleUpdatedItemData();}
-
-
- /*!
- \brief
- Set the border width for this menu.
- */
- void setBorderWidth(float border) {d_borderWidth=border;handleUpdatedItemData();}
-
-
- /*!
- \brief
- Set the background colours to used when rendereing this menu.
- */
- void setBackgroundColours(const ColourRect& cr) {d_backgroundColours=cr;}
-
-
- /*!
- \brief
- Change the currently open MenuItem in this menu.
-
- \param item
- Pointer to a MenuItem to open or NULL to close any opened.
- */
- void changePopupMenuItem(MenuItem* item);
-
-
- /*!
- \brief
- Set whether this menu allows multiple popup menus to opened simultaneously.
- */
- void setAllowMultiplePopups(bool setting) {d_allowMultiplePopups=setting;}
-
-
- /*************************************************************************
- Construction and Destruction
- *************************************************************************/
- /*!
- \brief
- Constructor for MenuBase objects
- */
- MenuBase(const String& type, const String& name);
-
-
- /*!
- \brief
- Destructor for MenuBase objects
- */
- virtual ~MenuBase(void);
-
-
- protected:
- /*************************************************************************
- New Event Handlers
- *************************************************************************/
- /*!
- \brief
- handler invoked internally when the a MenuItem attached to this menu opens its popup.
- */
- virtual void onPopupOpened(WindowEventArgs& e);
-
-
- /*!
- \brief
- handler invoked internally when the a MenuItem attached to this menu closes its popup.
- */
- virtual void onPopupClosed(WindowEventArgs& e);
-
-
- /*************************************************************************
- Implementation Functions
- *************************************************************************/
- /*!
- \brief
- Add MenuBase specific events
- */
- void addMenuBaseEvents(void);
-
-
- /*!
- \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*)"MenuBase") return true;
- return ItemListBase::testClassName_impl(class_name);
- }
-
-
- /*************************************************************************
- Implementation Data
- *************************************************************************/
- float d_itemSpacing; //!< The spacing in pixels between items.
- float d_horzPadding; //!< The width in pixels that is added to the left and right of each item.
- float d_vertPadding; //!< The height in pixels that is added to the top and bottom of each item.
- float d_borderWidth; //!< The width in pixels of the border around the entire content of this menu.
-
- ColourRect d_backgroundColours; //!< The colours used when rendering the background of this menu.
-
- MenuItem* d_popup; //!< The currently open MenuItem. NULL if no item is open. If multiple popups are allowed, this means nothing.
- bool d_allowMultiplePopups; //!< true if multiple popup menus are allowed smultaneously. false if not.
-
-
- private:
- /*************************************************************************
- Static Properties for this class
- *************************************************************************/
- static MenuBaseProperties::ItemSpacing d_itemSpacingProperty;
- static MenuBaseProperties::HorzPadding d_horzPaddingProperty;
- static MenuBaseProperties::VertPadding d_vertPaddingProperty;
- static MenuBaseProperties::BorderWidth d_borderWidthProperty;
- static MenuBaseProperties::BackgroundColours d_backgroundColoursProperty;
- static MenuBaseProperties::AllowMultiplePopups d_allowMultiplePopupsProperty;
-
- /*************************************************************************
- Private methods
- *************************************************************************/
- void addMenuBaseProperties(void);
- };
-
- } // End of CEGUI namespace section
-
-
- #if defined(_MSC_VER)
- # pragma warning(pop)
- #endif
-
- #endif // end of guard _CEGUIMenuBase_h_
-