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- /************************************************************************
- filename: CEGUIMenuItem.h
- created: 2/4/2005
- author: Tomas Lindquist Olsen (based on code by Paul D Turner)
-
- purpose: Interface to base class for MenuItem 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 _CEGUIMenuItem_h_
- #define _CEGUIMenuItem_h_
-
- #include "CEGUIBase.h"
- #include "CEGUIWindow.h"
- #include "elements/CEGUITextItem.h"
- #include "elements/CEGUIMenuItemProperties.h"
-
-
- #if defined(_MSC_VER)
- # pragma warning(push)
- # pragma warning(disable : 4251)
- #endif
-
-
- // Start of CEGUI namespace section
- namespace CEGUI
- {
-
- /*!
- \brief
- Base class for menu items.
- */
- class CEGUIEXPORT MenuItem : public TextItem
- {
- public:
- static const String EventNamespace; //!< Namespace for global events
-
- /*************************************************************************
- Constants
- *************************************************************************/
- // default colours for rendering
-
- static const colour DefaultHoverColour; //!< Default colour used when rendering in hover / highlight state.
- static const colour DefaultPushedColour; //!< Default colour used when rendering in pushed state.
- static const colour DefaultOpenedColour; //!< Default colour used when rendering in opended state.
- static const colour DefaultNormalTextColour; //!< Default colour used when rendering the text in normal state.
- static const colour DefaultDisabledTextColour; //!< Default colour used when rendering the text in disabled state.
-
-
- /*************************************************************************
- Event name constants
- *************************************************************************/
- // generated internally by Window
- static const String EventClicked; //!< The menuitem was clicked.
-
-
- /*************************************************************************
- Accessor type functions
- *************************************************************************/
- /*!
- \brief
- return true if user is hovering over this widget (or it's pushed and user is not over it for highlight)
-
- \return
- true if the user is hovering or if the button is pushed and the mouse is not over the button. Otherwise return false.
- */
- bool isHovering(void) const {return d_hovering;}
-
-
- /*!
- \brief
- Return true if the button widget is in the pushed state.
-
- \return
- true if the button-type widget is pushed, false if the widget is not pushed.
- */
- bool isPushed(void) const {return d_pushed;}
-
-
- /*!
- \brief
- return text label colour used for hover / highlight rendering
-
- \return
- colour value that is used for the label text when rendering in the hover / highlighted states.
- */
- colour getHoverColour(void) const {return d_hoverColour;}
-
-
- /*!
- \brief
- return text label colour used for pushed rendering
-
- \return
- colour value that is used for the label text when rendering in the pushed state.
- */
- colour getPushedColour(void) const {return d_pushedColour;}
-
-
- /*!
- \brief
- return text label colour used for opened rendering
-
- \return
- colour value that is used for the label text when rendering in the opened state.
- */
- colour getOpenedColour(void) const {return d_openedColour;}
-
-
- /*!
- \brief
- return text label colour used for normal rendering
-
- \return
- colour value that is used for the label text when rendering in the normal state.
- */
- colour getNormalTextColour(void) const {return d_normalTextColour;}
-
-
- /*!
- \brief
- return text label colour used for disabled rendering
-
- \return
- colour value that is used for the label text when rendering in the disabled state.
- */
- colour getDisabledTextColour(void) const {return d_disabledTextColour;}
-
-
- /*!
- \brief
- Get the PopupMenu that is currently attached to this MenuItem.
-
- \return
- A pointer to the currently attached PopupMenu. Null is there is no PopupMenu attached.
- */
- PopupMenu* getPopupMenu(void) const {return d_popup;}
-
-
- /*************************************************************************
- Manipulators
- *************************************************************************/
- /*!
- \brief
- Set the colour to use when rendering in the hover / highlighted states.
-
- \param colour
- colour value specifying the colour to be used.
-
- \return
- Nothing.
- */
- void setHoverColour(const colour& colour);
-
-
- /*!
- \brief
- Set the colour to use when rendering in the pushed state.
-
- \param colour
- colour value specifying the colour to be used.
-
- \return
- Nothing.
- */
- void setPushedColour(const colour& colour);
-
-
- /*!
- \brief
- Set the colour to use when rendering in the opened state.
-
- \param colour
- colour value specifying the colour to be used.
-
- \return
- Nothing.
- */
- void setOpenedColour(const colour& colour);
-
-
- /*!
- \brief
- Set the colour to use for the label text when rendering in the normal state.
-
- \param colour
- colour value specifying the colour to be used.
-
- \return
- Nothing.
- */
- void setNormalTextColour(const colour& colour);
-
-
- /*!
- \brief
- Set the colour to use for the label text when rendering in the disabled state.
-
- \param colour
- colour value specifying the colour to be used.
-
- \return
- Nothing.
- */
- void setDisabledTextColour(const colour& colour);
-
-
- /*!
- \brief
- Set the popup menu for this item.
-
- \param popup
- popupmenu window to attach to this item
-
- \return
- Nothing.
- */
- void setPopupMenu(PopupMenu* popup);
-
-
- /*!
- \brief
- Opens the PopupMenu.
- */
- void openPopupMenu(void);
-
-
- /*!
- \brief
- Closes the PopupMenu.
-
- \param notify
- true if the parent menubar is to be notified of the close.
-
- \return
- Nothing.
- */
- void closePopupMenu(bool notify=true);
-
-
- /*!
- \brief
- Toggles the PopupMenu.
-
- \return
- true if the popup was opened. false if it was closed.
- */
- bool togglePopupMenu(void);
-
-
- /*************************************************************************
- Construction and Destruction
- *************************************************************************/
- /*!
- \brief
- Constructor for MenuItem objects
- */
- MenuItem(const String& type, const String& name);
-
-
- /*!
- \brief
- Destructor for MenuItem objects
- */
- virtual ~MenuItem(void);
-
-
- protected:
- /*************************************************************************
- New Event Handlers
- *************************************************************************/
- /*!
- \brief
- handler invoked internally when the MenuItem is clicked.
- */
- virtual void onClicked(WindowEventArgs& e);
-
-
- /*************************************************************************
- Overridden event handlers
- *************************************************************************/
- virtual void onMouseMove(MouseEventArgs& e);
- virtual void onMouseButtonDown(MouseEventArgs& e);
- virtual void onMouseButtonUp(MouseEventArgs& e);
- virtual void onCaptureLost(WindowEventArgs& e);
- virtual void onMouseLeaves(MouseEventArgs& e);
-
-
- /*************************************************************************
- Implementation Functions
- *************************************************************************/
- /*!
- \brief
- Update the internal state of the widget with the mouse at the given position.
-
- \param mouse_pos
- Point object describing, in screen pixel co-ordinates, the location of the mouse cursor.
-
- \return
- Nothing
- */
- void updateInternalState(const Point& mouse_pos);
-
-
- /*!
- \brief
- Add menuitem specific events
- */
- void addMenuItemEvents(void);
-
-
- /*!
- \brief
- Recursive function that closes all popups down the hierarcy starting with this one.
-
- \return
- Nothing.
- */
- void closeAllMenuItemPopups();
-
-
- /*!
- \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*)"MenuItem") return true;
- return TextItem::testClassName_impl(class_name);
- }
-
-
- /*************************************************************************
- Implementation Rendering Functions
- *************************************************************************/
-
- /*************************************************************************
- Implementation Data
- *************************************************************************/
- bool d_pushed; //!< true when widget is pushed
- bool d_hovering; //!< true when the button is in 'hover' state and requires the hover rendering.
- bool d_opened; //!< true when the menu item's popup menu is opened.
-
- // common rendering setting data
- colour d_hoverColour; //!< Colour used when rendering in highlighted state
- colour d_pushedColour; //!< Colour used when rendering in pushed state
- colour d_openedColour; //!< Colour used when rendering in opened state
- colour d_normalTextColour; //!< Colour used for the text when rendering in normal state
- colour d_disabledTextColour; //!< Colour used for the text when rendering in disabled state
-
- PopupMenu* d_popup; //!< PopupMenu that this item displays when activated.
-
- bool d_popupWasClosed; //!< Used internally to determine if a popup was just closed on a Clicked event
-
- private:
- /*************************************************************************
- Static Properties for this class
- *************************************************************************/
- static MenuItemProperties::HoverColour d_hoverColourProperty;
- static MenuItemProperties::PushedColour d_pushedColourProperty;
- static MenuItemProperties::OpenedColour d_openedColourProperty;
- static MenuItemProperties::NormalTextColour d_normalTextColourProperty;
- static MenuItemProperties::DisabledTextColour d_disabledTextColourProperty;
-
-
- /*************************************************************************
- Private methods
- *************************************************************************/
- void addMenuItemProperties(void);
-
-
- /*!
- \brief
- Add given window to child list at an appropriate position
- */
- virtual void addChild_impl(Window* wnd);
- };
-
- } // End of CEGUI namespace section
-
-
- #if defined(_MSC_VER)
- # pragma warning(pop)
- #endif
-
-
- #endif // end of guard _CEGUIMenuItem_h_
-