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// Copyright (C) 2002-2012 Nikolaus Gebhardt
// This file is part of the "Irrlicht Engine".
// For conditions of distribution and use, see copyright notice in irrlicht.h
#ifndef __I_GUI_CONTEXT_MENU_H_INCLUDED__
#define __I_GUI_CONTEXT_MENU_H_INCLUDED__
#include "IGUIElement.h"
namespace irr
{
namespace gui
{
//! Close behavior.
//! Default is ECMC_REMOVE
enum ECONTEXT_MENU_CLOSE
{
//! do nothing - menu stays open
ECMC_IGNORE = 0,
//! remove the gui element
ECMC_REMOVE = 1,
//! call setVisible(false)
ECMC_HIDE = 2
// note to implementors - this is planned as bitset, so continue with 4 if you need to add further flags.
};
//! GUI Context menu interface.
/** \par This element can create the following events of type EGUI_EVENT_TYPE:
\li EGET_ELEMENT_CLOSED
\li EGET_MENU_ITEM_SELECTED
*/
class IGUIContextMenu : public IGUIElement
{
public:
//! constructor
IGUIContextMenu(IGUIEnvironment* environment, IGUIElement* parent, s32 id, core::rect<s32> rectangle)
: IGUIElement(EGUIET_CONTEXT_MENU, environment, parent, id, rectangle) {}
//! set behavior when menus are closed
virtual void setCloseHandling(ECONTEXT_MENU_CLOSE onClose) = 0;
//! get current behavior when the menu will be closed
virtual ECONTEXT_MENU_CLOSE getCloseHandling() const = 0;
//! Get amount of menu items
virtual u32 getItemCount() const = 0;
//! Adds a menu item.
/** \param text: Text of menu item. Set this to 0 to create
an separator instead of a real item, which is the same like
calling addSeparator();
\param commandId: Command id of menu item, a simple id you may
set to whatever you want.
\param enabled: Specifies if the menu item should be enabled.
\param hasSubMenu: Set this to true if there should be a submenu
at this item. You can access this submenu via getSubMenu().
\param checked: Specifies if the menu item should be initially checked.
\param autoChecking: Specifies if the item should be checked by clicking
\return Returns the index of the new item */
virtual u32 addItem(const wchar_t* text, s32 commandId=-1, bool enabled=true,
bool hasSubMenu=false, bool checked=false, bool autoChecking=false) = 0;
//! Insert a menu item at specified position.
/** \param idx: Position to insert the new element,
should be smaller than itemcount otherwise the item is added to the end.
\param text: Text of menu item. Set this to 0 to create
an separator instead of a real item, which is the same like
calling addSeparator();
\param commandId: Command id of menu item, a simple id you may
set to whatever you want.
\param enabled: Specifies if the menu item should be enabled.
\param hasSubMenu: Set this to true if there should be a submenu
at this item. You can access this submenu via getSubMenu().
\param checked: Specifies if the menu item should be initially checked.
\param autoChecking: Specifies if the item should be checked by clicking
\return Returns the index of the new item */
virtual u32 insertItem(u32 idx, const wchar_t* text, s32 commandId=-1, bool enabled=true,
bool hasSubMenu=false, bool checked=false, bool autoChecking=false) = 0;
//! Find an item by it's CommandID
/**
\param commandId: We are looking for the first item which has this commandID
\param idxStartSearch: Start searching from this index.
\return Returns the index of the item when found or otherwise -1. */
virtual s32 findItemWithCommandId(s32 commandId, u32 idxStartSearch=0) const = 0;
//! Adds a separator item to the menu
virtual void addSeparator() = 0;
//! Get text of the menu item.
/** \param idx: Zero based index of the menu item */
virtual const wchar_t* getItemText(u32 idx) const = 0;
//! Sets text of the menu item.
/** \param idx: Zero based index of the menu item
\param text: New text of the item. */
virtual void setItemText(u32 idx, const wchar_t* text) = 0;
//! Check if a menu item is enabled
/** \param idx: Zero based index of the menu item */
virtual bool isItemEnabled(u32 idx) const = 0;
//! Sets if the menu item should be enabled.
/** \param idx: Zero based index of the menu item
\param enabled: True if it is enabled, otherwise false. */
virtual void setItemEnabled(u32 idx, bool enabled) = 0;
//! Sets if the menu item should be checked.
/** \param idx: Zero based index of the menu item
\param enabled: True if it is enabled, otherwise false. */
virtual void setItemChecked(u32 idx, bool enabled) = 0;
//! Check if a menu item is checked
/** \param idx: Zero based index of the menu item */
virtual bool isItemChecked(u32 idx) const = 0;
//! Removes a menu item
/** \param idx: Zero based index of the menu item */
virtual void removeItem(u32 idx) = 0;
//! Removes all menu items
virtual void removeAllItems() = 0;
//! Get the selected item in the menu
/** \return Index of the selected item, -1 if none selected. */
virtual s32 getSelectedItem() const = 0;
//! Get the command id of a menu item
/** \param idx: Zero based index of the menu item */
virtual s32 getItemCommandId(u32 idx) const = 0;
//! Sets the command id of a menu item
/** \param idx: Zero based index of the menu item
\param id: Command id of menu item, a simple id you may
set to whatever you want. */
virtual void setItemCommandId(u32 idx, s32 id) = 0;
//! Get a pointer to the submenu of an item.
/** 0 is returned if there is no submenu
\param idx: Zero based index of the menu item
\return Returns a pointer to the submenu of an item. */
virtual IGUIContextMenu* getSubMenu(u32 idx) const = 0;
//! should the element change the checked status on clicking
virtual void setItemAutoChecking(u32 idx, bool autoChecking) = 0;
//! does the element change the checked status on clicking
virtual bool getItemAutoChecking(u32 idx) const = 0;
//! When an eventparent is set it receives events instead of the usual parent element
virtual void setEventParent(IGUIElement *parent) = 0;
};
} // end namespace gui
} // end namespace irr
#endif
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