// Copyright (C) 2002-2008 Nikolaus Gebhardt // This file is part of the "Irrlicht Engine". // For conditions of distribution and use, see copyright notice in irrlicht.h #ifndef __C_GUI_COMBO_BOX_H_INCLUDED__ #define __C_GUI_COMBO_BOX_H_INCLUDED__ #include "IrrCompileConfig.h" #ifdef _IRR_COMPILE_WITH_GUI_ #include "IGUIComboBox.h" #include "IGUIStaticText.h" #include "irrString.h" #include "irrArray.h" namespace irr { namespace gui { class IGUIButton; class IGUIListBox; //! Single line edit box for editing simple text. class CGUIComboBox : public IGUIComboBox { public: //! constructor CGUIComboBox(IGUIEnvironment* environment, IGUIElement* parent, s32 id, core::rect rectangle); //! Returns amount of items in box virtual u32 getItemCount() const; //! returns string of an item. the idx may be a value from 0 to itemCount-1 virtual const wchar_t* getItem(u32 idx) const; //! adds an item and returns the index of it virtual u32 addItem(const wchar_t* text); //! Removes an item from the combo box. virtual void removeItem(u32 id); //! deletes all items in the combo box virtual void clear(); //! returns the text of the currently selected item virtual const wchar_t* getText() const; //! returns id of selected item. returns -1 if no item is selected. virtual s32 getSelected() const; //! sets the selected item. Set this to -1 if no item should be selected virtual void setSelected(s32 idx); //! sets the text alignment of the text part virtual void setTextAlignment(EGUI_ALIGNMENT horizontal, EGUI_ALIGNMENT vertical); //! called if an event happened. virtual bool OnEvent(const SEvent& event); //! draws the element and its children virtual void draw(); //! Writes attributes of the element. virtual void serializeAttributes(io::IAttributes* out, io::SAttributeReadWriteOptions* options) const; //! Reads attributes of the element virtual void deserializeAttributes(io::IAttributes* in, io::SAttributeReadWriteOptions* options); private: void openCloseMenu(); void sendSelectionChangedEvent(); IGUIButton* ListButton; IGUIStaticText* SelectedText; IGUIListBox* ListBox; core::array< core::stringw > Items; s32 Selected; bool HasFocus; IGUIElement *LastFocus; EGUI_ALIGNMENT HAlign, VAlign; }; } // end namespace gui } // end namespace irr #endif // _IRR_COMPILE_WITH_GUI_ #endif // __C_GUI_COMBO_BOX_H_INCLUDED__