1 // Copyright (C) 2002-2012 Nikolaus Gebhardt
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2 // This file is part of the "Irrlicht Engine".
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3 // For conditions of distribution and use, see copyright notice in irrlicht.h
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5 #ifndef __C_GUI_COMBO_BOX_H_INCLUDED__
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6 #define __C_GUI_COMBO_BOX_H_INCLUDED__
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8 #include "IGUIComboBox.h"
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9 #include "IGUIStaticText.h"
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10 #include "irrString.h"
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11 #include "irrArray.h"
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20 //! Single line edit box for editing simple text.
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21 class CGUIComboBox : public IGUIComboBox
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26 CGUIComboBox(IGUIEnvironment* environment, IGUIElement* parent,
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27 s32 id, core::rect<s32> rectangle);
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29 //! Returns amount of items in box
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30 u32 getItemCount() const override;
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32 //! returns string of an item. the idx may be a value from 0 to itemCount-1
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33 const wchar_t* getItem(u32 idx) const override;
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35 //! Returns item data of an item. the idx may be a value from 0 to itemCount-1
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36 u32 getItemData(u32 idx) const override;
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38 //! Returns index based on item data
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39 s32 getIndexForItemData( u32 data ) const override;
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41 //! adds an item and returns the index of it
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42 u32 addItem(const wchar_t* text, u32 data) override;
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44 //! Removes an item from the combo box.
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45 void removeItem(u32 id) override;
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47 //! deletes all items in the combo box
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48 void clear() override;
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50 //! returns the text of the currently selected item
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51 const wchar_t* getText() const override;
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53 //! returns id of selected item. returns -1 if no item is selected.
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54 s32 getSelected() const override;
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56 //! sets the selected item. Set this to -1 if no item should be selected
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57 void setSelected(s32 idx) override;
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59 //! sets the text alignment of the text part
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60 void setTextAlignment(EGUI_ALIGNMENT horizontal, EGUI_ALIGNMENT vertical) override;
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62 //! Set the maximal number of rows for the selection listbox
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63 void setMaxSelectionRows(u32 max) override;
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65 //! Get the maximal number of rows for the selection listbox
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66 u32 getMaxSelectionRows() const override;
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68 //! called if an event happened.
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69 bool OnEvent(const SEvent& event) override;
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71 //! draws the element and its children
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72 void draw() override;
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76 void openCloseMenu();
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77 void sendSelectionChangedEvent();
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78 void updateListButtonWidth(s32 width);
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80 IGUIButton* ListButton;
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81 IGUIStaticText* SelectedText;
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82 IGUIListBox* ListBox;
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83 IGUIElement *LastFocus;
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88 SComboData ( const wchar_t * text, u32 data )
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89 : Name (text), Data ( data ) {}
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94 core::array< SComboData > Items;
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97 EGUI_ALIGNMENT HAlign, VAlign;
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98 u32 MaxSelectionRows;
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100 IGUIFont* ActiveFont;
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104 } // end namespace gui
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105 } // end namespace irr
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107 #endif // __C_GUI_COMBO_BOX_H_INCLUDED__
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