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- /************************************************************************
- filename: CEGUIButtonBase.h
- created: 13/4/2004
- author: Paul D Turner
-
- purpose: Interface to base class for ButtonBase 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 _CEGUIButtonBase_h_
- #define _CEGUIButtonBase_h_
-
- #include "CEGUIBase.h"
- #include "CEGUIWindow.h"
- #include "elements/CEGUIButtonBaseProperties.h"
-
-
- #if defined(_MSC_VER)
- # pragma warning(push)
- # pragma warning(disable : 4251)
- #endif
-
-
- // Start of CEGUI namespace section
- namespace CEGUI
- {
-
- /*!
- \brief
- Base class for all the 'button' type widgets (push button, radio button, check-box, etc)
- */
- class CEGUIEXPORT ButtonBase : public Window
- {
- public:
- /*************************************************************************
- Constants
- *************************************************************************/
- // default colours for text label rendering
- static const colour DefaultNormalLabelColour; //!< Default colour used when rendering label text in normal state.
- static const colour DefaultHoverLabelColour; //!< Default colour used when rendering label text in hover / highlight state.
- static const colour DefaultPushedLabelColour; //!< Default colour used when rendering label text in pushed state.
- static const colour DefaultDisabledLabelColour; //!< Default colour used when rendering label text in disabled state.
-
-
- /*************************************************************************
- 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 normal rendering
-
- \return
- colour value that is used for the label text when rendering in the normal state.
- */
- colour getNormalTextColour(void) const {return d_normalColour;}
-
-
- /*!
- \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 getHoverTextColour(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 getPushedTextColour(void) const {return d_pushedColour;}
-
-
- /*!
- \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_disabledColour;}
-
- /*************************************************************************
- Manipulators
- *************************************************************************/
- /*!
- \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 hover / highlighted states.
-
- \param colour
- colour value specifying the colour to be used.
-
- \return
- Nothing.
- */
- void setHoverTextColour(const colour& colour);
-
-
- /*!
- \brief
- Set the colour to use for the label text when rendering in the pushed state.
-
- \param colour
- colour value specifying the colour to be used.
-
- \return
- Nothing.
- */
- void setPushedTextColour(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);
-
- /*************************************************************************
- Construction and Destruction
- *************************************************************************/
- /*!
- \brief
- Constructor for ButtonBase objects
- */
- ButtonBase(const String& type, const String& name);
-
-
- /*!
- \brief
- Destructor for ButtonBase objects
- */
- virtual ~ButtonBase(void);
-
-
- protected:
- /*************************************************************************
- 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
- 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*)"ButtonBase") return true;
- return Window::testClassName_impl(class_name);
- }
-
-
- /*************************************************************************
- Implementation Rendering Functions
- *************************************************************************/
- /*!
- \brief
- Perform the rendering for this widget.
-
- \param z
- float value specifying the base Z co-ordinate that should be used when rendering
-
- \return
- Nothing
- */
- virtual void drawSelf(float z);
-
-
- /*!
- \brief
- Render the button-type widget in it's 'normal' state
-
- \param z
- float value specifying the base Z co-ordinate that should be used when rendering
-
- \return
- Nothing
- */
- virtual void drawNormal(float z) = 0;
-
-
- /*!
- \brief
- Render the button-type widget in it's 'hover' (highlighted) state
-
- \param z
- float value specifying the base Z co-ordinate that should be used when rendering
-
- \return
- Nothing
- */
- virtual void drawHover(float z) {drawNormal(z);}
-
-
- /*!
- \brief
- Render the button-type widget in it's 'pushed' state
-
- \param z
- float value specifying the base Z co-ordinate that should be used when rendering
-
- \return
- Nothing
- */
- virtual void drawPushed(float z) {drawNormal(z);}
-
-
- /*!
- \brief
- Render the button-type widget in it's 'disabled' state
-
- \param z
- float value specifying the base Z co-ordinate that should be used when rendering
-
- \return
- Nothing
- */
- virtual void drawDisabled(float z) {drawNormal(z);}
-
-
- /*************************************************************************
- 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.
-
- // common rendering setting data
- colour d_normalColour; //!< Colour used for label text when rendering in normal state
- colour d_hoverColour; //!< Colour used for label text when rendering in highlighted state
- colour d_pushedColour; //!< Colour used for label text when rendering in pushed state
- colour d_disabledColour; //!< Colour used for label text when rendering in disabled state
-
- private:
- /*************************************************************************
- Static Properties for this class
- *************************************************************************/
- static ButtonBaseProperties::NormalTextColour d_normalTextColourProperty;
- static ButtonBaseProperties::HoverTextColour d_hoverTextColourProperty;
- static ButtonBaseProperties::PushedTextColour d_pushedTextColourProperty;
- static ButtonBaseProperties::DisabledTextColour d_disabledTextColourProperty;
-
- /*************************************************************************
- Private methods
- *************************************************************************/
- void addButtonBaseProperties(void);
- };
-
- } // End of CEGUI namespace section
-
- #if defined(_MSC_VER)
- # pragma warning(pop)
- #endif
-
- #endif // end of guard _CEGUIButtonBase_h_
-