131 lines
3.6 KiB
C++
131 lines
3.6 KiB
C++
// Copyright (C) 2002-2007 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_LIST_BOX_BAR_H_INCLUDED__
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#define __C_GUI_LIST_BOX_BAR_H_INCLUDED__
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#include "IrrCompileConfig.h"
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#ifdef _IRR_COMPILE_WITH_GUI_
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#include "IGUIListBox.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 IGUIFont;
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class IGUIScrollBar;
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class CGUIListBox : public IGUIListBox
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{
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public:
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//! constructor
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CGUIListBox(IGUIEnvironment* environment, IGUIElement* parent,
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s32 id, core::rect<s32> rectangle, bool clip=true,
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bool drawBack=false, bool moveOverSelect=false);
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//! destructor
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~CGUIListBox();
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//! returns amount of list items
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virtual s32 getItemCount();
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//! returns string of a list item. the id may be a value from 0 to itemCount-1
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virtual const wchar_t* getListItem(s32 id);
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//! adds an list item, returns id of item
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virtual s32 addItem(const wchar_t* text);
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//! clears the list
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virtual void clear();
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//! returns id of selected item. returns -1 if no item is selected.
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virtual s32 getSelected();
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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 id);
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//! called if an event happened.
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virtual bool OnEvent(SEvent event);
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//! draws the element and its children
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virtual void draw();
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//! adds an list item with an icon
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//! \param text Text of list entry
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//! \param icon Sprite index of the Icon within the current sprite bank. Set it to -1 if you want no icon
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//! \return
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//! returns the id of the new created item
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virtual s32 addItem(const wchar_t* text, s32 icon);
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//! Returns the icon of an item
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virtual s32 getIcon(s32 id) const;
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//! removes an item from the list
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virtual void removeItem(s32 id);
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//! Sets the sprite bank which should be used to draw list icons. This font is set to the sprite bank of
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//! the built-in-font by default. A sprite can be displayed in front of every list item.
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//! An icon is an index within the icon sprite bank. Several default icons are available in the
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//! skin through getIcon
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virtual void setSpriteBank(IGUISpriteBank* bank);
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//! sets if automatic scrolling is enabled or not. Default is true.
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virtual void setAutoScrollEnabled(bool scroll);
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//! returns true if automatic scrolling is enabled, false if not.
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virtual bool isAutoScrollEnabled();
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//! Update the position and size of the listbox, and update the scrollbar
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virtual void updateAbsolutePosition();
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//! Writes attributes of the element.
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virtual void serializeAttributes(io::IAttributes* out, io::SAttributeReadWriteOptions* options);
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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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struct ListItem
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{
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ListItem() : icon(-1) {}
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core::stringw text;
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s32 icon;
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};
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void recalculateItemHeight();
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void selectNew(s32 ypos, bool onlyHover=false);
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void recalculateScrollPos();
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core::array< ListItem > Items;
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s32 Selected;
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s32 ItemHeight;
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s32 TotalItemHeight;
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s32 ItemsIconWidth;
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gui::IGUIFont* Font;
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gui::IGUISpriteBank* IconBank;
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gui::IGUIScrollBar* ScrollBar;
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bool Selecting;
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bool DrawBack;
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bool MoveOverSelect;
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u32 selectTime;
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bool AutoScroll;
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core::stringw KeyBuffer;
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u32 LastKeyTime;
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bool HighlightWhenNotFocused;
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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
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