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- /************************************************************************
- filename: CEGUITextItem.h
- created: 31/3/2005
- author: Tomas Lindquist Olsen (based on code by Paul D Turner)
-
- purpose: Interface to base class for TextItem 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 _CEGUITextItem_h_
- #define _CEGUITextItem_h_
-
- #include "CEGUIBase.h"
- #include "CEGUIWindow.h"
- #include "elements/CEGUIItemEntry.h"
- #include "elements/CEGUITextItemProperties.h"
- #include "CEGUIFont.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 TextItem widgets.
- */
- class CEGUIEXPORT TextItem : public ItemEntry
- {
- public:
- /*************************************************************************
- Constants
- *************************************************************************/
- static const colour DefaultTextColour; //!< Default colour used when rendering text.
-
-
- /*************************************************************************
- Accessors
- *************************************************************************/
- /*!
- \brief
- Return the TextFormatting currently used for rendering the text.
-
- \return
- TextFormatting value describing the currently used text formatting option.
- */
- TextFormatting getTextFormatting() const {return d_textFormatting;}
-
-
- /*!
- \brief
- get the offset that is used to shift of the text in the x-direction
- this is useful if the button-images are not symmetrical and the
- text shouldn't be completely centered
-
- \return
- the offset in pixels
- */
- float getTextXOffset(void) const {return d_textXOffset;}
-
-
- /*!
- \brief
- Get the current text colour of the item.
-
- \return
- The current text colour.
- */
- colour getTextColour(void) const {return d_textColour;}
-
-
- /*************************************************************************
- Manipulators
- *************************************************************************/
- /*!
- \brief
- Set the TextFormatting to be used when rendering the text.
- */
- void setTextFormatting(TextFormatting format) {d_textFormatting=format;}
-
-
- /*!
- \brief
- Set the current text colour of the item.
-
- \param col
- The colour to set as the current text colour.
- */
- void setTextColour(const colour& col) {d_textColour=col;}
-
-
- /*!
- \brief
- Set the offset to use for a shift of the text in the x-direction
- this is useful if the button-images are not symmetrical and the
- text shouldn't be completely centered
-
- \param offset
- The offset to use - in pixels.
-
- \return
- Nothing.
- */
- void setTextXOffset(float offset) {d_textXOffset=offset;}
-
-
- /*************************************************************************
- Pure functions from ItemEntry
- *************************************************************************/
- /*!
- \brief
- Return the "optimal" size for the item
-
- \return
- Size describing the size in pixel that this TextItem's content requires
- for non-clipped rendering
- */
- virtual Size getItemPixelSize(void);
-
-
- /*************************************************************************
- Construction and Destruction
- *************************************************************************/
- /*!
- \brief
- Constructor for TextItem objects
- */
- TextItem(const String& type, const String& name);
-
-
- /*!
- \brief
- Destructor for TextItem objects
- */
- virtual ~TextItem(void);
-
-
- protected:
- /*************************************************************************
- Abstract Implementation Functions (must be provided by derived class)
- *************************************************************************/
-
- /*************************************************************************
- Overridden event handlers
- *************************************************************************/
- /*!
- \brief
- Handler called when the window's text is changed.
-
- \param e
- WindowEventArgs object whose 'window' pointer field is set to the window that triggered the event. For this
- event the trigger window is always 'this'.
- */
- virtual void onTextChanged(WindowEventArgs& e);
-
-
- /*************************************************************************
- Implementation Functions
- *************************************************************************/
- virtual void populateRenderCache();
-
-
- /*!
- \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*)"TextItem") return true;
- return ItemEntry::testClassName_impl(class_name);
- }
-
-
- /*************************************************************************
- Implementation Rendering Functions
- *************************************************************************/
-
- /*************************************************************************
- Implementation Data
- *************************************************************************/
- colour d_textColour; //!< the current text colour
- TextFormatting d_textFormatting; //!< the current text formatting
-
- //text-offset
- float d_textXOffset; //!< offset applied to the x co-ordinate of the text rendered.
-
-
- private:
- /*************************************************************************
- Static Properties for this class
- *************************************************************************/
- static TextItemProperties::TextColour d_textColourProperty;
- static TextItemProperties::TextFormatting d_textFormattingProperty;
- static TextItemProperties::TextXOffset d_textXOffsetProperty;
-
- /*************************************************************************
- Private methods
- *************************************************************************/
- void addTextItemProperties(void);
- };
-
- } // End of CEGUI namespace section
-
-
- #if defined(_MSC_VER)
- # pragma warning(pop)
- #endif
-
-
- #endif // end of guard _CEGUITextItem_h_
-