118 lines
3.1 KiB
C++
118 lines
3.1 KiB
C++
// Copyright (C) 2002-2011 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 __C_GUI_COMBO_BOX_H_INCLUDED__
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#define __C_GUI_COMBO_BOX_H_INCLUDED__
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#include "IrrCompileConfig.h"
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#ifdef _IRR_COMPILE_WITH_GUI_
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#include "IGUIComboBox.h"
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#include "IGUIStaticText.h"
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#include "irrString.h"
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#include "irrArray.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 IGUIButton;
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class IGUIListBox;
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//! Single line edit box for editing simple text.
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class CGUIComboBox : public IGUIComboBox
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{
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public:
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//! constructor
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CGUIComboBox(IGUIEnvironment* environment, IGUIElement* parent,
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s32 id, core::rect<s32> rectangle);
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//! Returns amount of items in box
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virtual u32 getItemCount() const;
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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;
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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;
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//! Returns index based on item data
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virtual s32 getIndexForItemData( u32 data ) const;
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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);
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//! Removes an item from the combo box.
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virtual void removeItem(u32 id);
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//! deletes all items in the combo box
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virtual void clear();
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//! returns the text of the currently selected item
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virtual const wchar_t* getText() const;
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//! returns id of selected item. returns -1 if no item is selected.
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virtual s32 getSelected() const;
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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);
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//! sets the text alignment of the text part
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virtual void setTextAlignment(EGUI_ALIGNMENT horizontal, EGUI_ALIGNMENT vertical);
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//! Set the maximal number of rows for the selection listbox
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virtual void setMaxSelectionRows(u32 max);
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//! Get the maximimal number of rows for the selection listbox
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virtual u32 getMaxSelectionRows() const;
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//! called if an event happened.
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virtual bool OnEvent(const SEvent& event);
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//! draws the element and its children
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virtual void draw();
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//! Writes attributes of the element.
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virtual void serializeAttributes(io::IAttributes* out, io::SAttributeReadWriteOptions* options) const;
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//! Reads attributes of the element
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virtual void deserializeAttributes(io::IAttributes* in, io::SAttributeReadWriteOptions* options);
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private:
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void openCloseMenu();
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void sendSelectionChangedEvent();
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IGUIButton* ListButton;
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IGUIStaticText* SelectedText;
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IGUIListBox* ListBox;
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IGUIElement *LastFocus;
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struct SComboData
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{
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SComboData ( const wchar_t * text, u32 data )
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: Name (text), Data ( data ) {}
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core::stringw Name;
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u32 Data;
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};
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core::array< SComboData > Items;
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s32 Selected;
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EGUI_ALIGNMENT HAlign, VAlign;
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u32 MaxSelectionRows;
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bool HasFocus;
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};
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} // end namespace gui
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} // end namespace irr
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#endif // _IRR_COMPILE_WITH_GUI_
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#endif // __C_GUI_COMBO_BOX_H_INCLUDED__
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