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./aip/1.8aipmod/include/IGUIComboBox.h :


// Copyright (C) 2002-2011 Nikolaus Gebhardt

// This file is part of the "Irrlicht Engine".

// For conditions of distribution and use, see copyright notice in irrlicht.h


#ifndef __I_GUI_COMBO_BOX_H_INCLUDED__
#define __I_GUI_COMBO_BOX_H_INCLUDED__

#include "IGUIElement.h"

namespace irr
{
namespace gui
{

	//! Combobox widget

	class IGUIComboBox : public IGUIElement
	{
	public:

		//! constructor

		IGUIComboBox(IGUIEnvironment* environment, IGUIElement* parent, s32 id, core::rect<s32> rectangle)
			: IGUIElement(EGUIET_COMBO_BOX, environment, parent, id, rectangle) {}

		//! Returns amount of items in box

		virtual u32 getItemCount() const = 0;

		//! Returns string of an item. the idx may be a value from 0 to itemCount-1

		virtual const wchar_t* getItem(u32 idx) const = 0;

		//! Returns item data of an item. the idx may be a value from 0 to itemCount-1

		virtual u32 getItemData(u32 idx) const = 0;

		//! Returns index based on item data

		virtual s32 getIndexForItemData(u32 data ) const = 0;

		//! Adds an item and returns the index of it

		virtual u32 addItem(const wchar_t* text, u32 data = 0) = 0;

		//! Removes an item from the combo box.

		/** Warning. This will change the index of all following items */
		virtual void removeItem(u32 idx) = 0;

		//! Deletes all items in the combo box

		virtual void clear() = 0;

		//! Returns id of selected item. returns -1 if no item is selected.

		virtual s32 getSelected() const = 0;

		//! Sets the selected item. Set this to -1 if no item should be selected

		virtual void setSelected(s32 idx) = 0;

		//! Sets text justification of the text area

		/** \param horizontal: EGUIA_UPPERLEFT for left justified (default),
		EGUIA_LOWEERRIGHT for right justified, or EGUIA_CENTER for centered text.
		\param vertical: EGUIA_UPPERLEFT to align with top edge,
		EGUIA_LOWEERRIGHT for bottom edge, or EGUIA_CENTER for centered text (default). */
		virtual void setTextAlignment(EGUI_ALIGNMENT horizontal, EGUI_ALIGNMENT vertical) = 0;
	};


} // end namespace gui

} // end namespace irr


#endif

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