67 lines
2.8 KiB
C
67 lines
2.8 KiB
C
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// Copyright (C) 2002-2012 Nikolaus Gebhardt
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// This file is part of the "Irrlicht Engine".
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// For conditions of distribution and use, see copyright notice in irrlicht.h
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#ifndef __I_GUI_ELEMENT_FACTORY_H_INCLUDED__
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#define __I_GUI_ELEMENT_FACTORY_H_INCLUDED__
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#include "IReferenceCounted.h"
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#include "EGUIElementTypes.h"
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namespace irr
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{
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namespace gui
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{
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class IGUIElement;
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//! Interface making it possible to dynamically create GUI elements
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/** To be able to add custom elements to Irrlicht and to make it possible for the
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scene manager to save and load them, simply implement this interface and register it
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in your gui environment via IGUIEnvironment::registerGUIElementFactory.
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Note: When implementing your own element factory, don't call IGUIEnvironment::grab() to
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increase the reference counter of the environment. This is not necessary because the
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it will grab() the factory anyway, and otherwise cyclic references will be created.
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*/
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class IGUIElementFactory : public virtual IReferenceCounted
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{
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public:
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//! adds an element to the gui environment based on its type id
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/** \param type: Type of the element to add.
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\param parent: Parent scene node of the new element, can be null to add to the root.
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\return Pointer to the new element or null if not successful. */
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virtual IGUIElement* addGUIElement(EGUI_ELEMENT_TYPE type, IGUIElement* parent=0) = 0;
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//! adds a GUI element to the GUI Environment based on its type name
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/** \param typeName: Type name of the element to add.
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\param parent: Parent scene node of the new element, can be null to add it to the root.
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\return Pointer to the new element or null if not successful. */
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virtual IGUIElement* addGUIElement(const c8* typeName, IGUIElement* parent=0) = 0;
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//! Get amount of GUI element types this factory is able to create
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virtual s32 getCreatableGUIElementTypeCount() const = 0;
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//! Get type of a createable element type
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/** \param idx: Index of the element type in this factory. Must be a value between 0 and
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getCreatableGUIElementTypeCount() */
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virtual EGUI_ELEMENT_TYPE getCreateableGUIElementType(s32 idx) const = 0;
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//! Get type name of a createable GUI element type by index
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/** \param idx: Index of the type in this factory. Must be a value between 0 and
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getCreatableGUIElementTypeCount() */
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virtual const c8* getCreateableGUIElementTypeName(s32 idx) const = 0;
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//! returns type name of a createable GUI element
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/** \param type: Type of GUI element.
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\return Name of the type if this factory can create the type, otherwise 0. */
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virtual const c8* getCreateableGUIElementTypeName(EGUI_ELEMENT_TYPE type) const = 0;
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};
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} // end namespace gui
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} // end namespace irr
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#endif // __I_GUI_ELEMENT_FACTORY_H_INCLUDED__
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