75 lines
2.3 KiB
C++
75 lines
2.3 KiB
C++
// 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_COMBO_BOX_H_INCLUDED__
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#define __I_GUI_COMBO_BOX_H_INCLUDED__
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#include "IGUIElement.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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//! Combobox widget
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/** \par This element can create the following events of type EGUI_EVENT_TYPE:
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\li EGET_COMBO_BOX_CHANGED
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*/
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class IGUIComboBox : public IGUIElement
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{
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public:
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//! constructor
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IGUIComboBox(IGUIEnvironment* environment, IGUIElement* parent, s32 id, core::rect<s32> rectangle)
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: IGUIElement(EGUIET_COMBO_BOX, environment, parent, id, rectangle) {}
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//! Returns amount of items in box
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virtual u32 getItemCount() const = 0;
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//! Returns string of an item. the idx may be a value from 0 to itemCount-1
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virtual const wchar_t* getItem(u32 idx) const = 0;
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//! Returns item data of an item. the idx may be a value from 0 to itemCount-1
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virtual u32 getItemData(u32 idx) const = 0;
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//! Returns index based on item data
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virtual s32 getIndexForItemData(u32 data ) const = 0;
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//! Adds an item and returns the index of it
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virtual u32 addItem(const wchar_t* text, u32 data = 0) = 0;
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//! Removes an item from the combo box.
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/** Warning. This will change the index of all following items */
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virtual void removeItem(u32 idx) = 0;
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//! Deletes all items in the combo box
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virtual void clear() = 0;
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//! Returns id of selected item. returns -1 if no item is selected.
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virtual s32 getSelected() const = 0;
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//! Sets the selected item. Set this to -1 if no item should be selected
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virtual void setSelected(s32 idx) = 0;
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//! Sets text justification of the text area
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/** \param horizontal: EGUIA_UPPERLEFT for left justified (default),
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EGUIA_LOWEERRIGHT for right justified, or EGUIA_CENTER for centered text.
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\param vertical: EGUIA_UPPERLEFT to align with top edge,
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EGUIA_LOWEERRIGHT for bottom edge, or EGUIA_CENTER for centered text (default). */
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virtual void setTextAlignment(EGUI_ALIGNMENT horizontal, EGUI_ALIGNMENT vertical) = 0;
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//! Set the maximal number of rows for the selection listbox
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virtual void setMaxSelectionRows(u32 max) = 0;
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//! Get the maximimal number of rows for the selection listbox
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virtual u32 getMaxSelectionRows() 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
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