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// Copyright (C) 2002-2009 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_CONTEXT_MENU_H_INCLUDED__
#define __C_GUI_CONTEXT_MENU_H_INCLUDED__
#include "IrrCompileConfig.h"
#ifdef _IRR_COMPILE_WITH_GUI_
#include "IGUIContextMenu.h"
#include "irrString.h"
#include "irrArray.h"
#include "IGUIFont.h"
namespace irr
{
namespace gui
{
//! GUI Context menu interface.
class CGUIContextMenu : public IGUIContextMenu
{
public:
//! constructor
CGUIContextMenu(IGUIEnvironment* environment,
IGUIElement* parent, s32 id, core::rect<s32> rectangle,
bool getFocus = true, bool allowFocus = true);
//! destructor
virtual ~CGUIContextMenu();
//! set behaviour when menus are closed
virtual void setCloseHandling(ECONTEXT_MENU_CLOSE onClose);
//! get current behaviour when the menue will be closed
virtual ECONTEXT_MENU_CLOSE getCloseHandling() const;
//! Returns amount of menu items
virtual u32 getItemCount() const;
//! Adds a menu item.
virtual u32 addItem(const wchar_t* text, s32 commandid,
bool enabled, bool hasSubMenu, bool checked, bool autoChecking);
//! Insert a menu item at specified position.
virtual u32 insertItem(u32 idx, const wchar_t* text, s32 commandId, bool enabled,
bool hasSubMenu, bool checked, bool autoChecking);
//! Find a item which has the given CommandId starting from given index
virtual s32 findItemWithCommandId(s32 commandId, u32 idxStartSearch) const;
//! Adds a separator item to the menu
virtual void addSeparator();
//! Returns text of the menu item.
virtual const wchar_t* getItemText(u32 idx) const;
//! Sets text of the menu item.
virtual void setItemText(u32 idx, const wchar_t* text);
//! Returns if a menu item is enabled
virtual bool isItemEnabled(u32 idx) const;
//! Sets if the menu item should be enabled.
virtual void setItemEnabled(u32 idx, bool enabled);
//! Returns if a menu item is checked
virtual bool isItemChecked(u32 idx) const;
//! Sets if the menu item should be checked.
virtual void setItemChecked(u32 idx, bool enabled);
//! Removes a menu item
virtual void removeItem(u32 idx);
//! Removes all menu items
virtual void removeAllItems();
//! called if an event happened.
virtual bool OnEvent(const SEvent& event);
//! draws the element and its children
virtual void draw();
//! Returns the selected item in the menu
virtual s32 getSelectedItem() const;
//! Returns a pointer to the submenu of an item.
//! \return Pointer to the submenu of an item.
virtual IGUIContextMenu* getSubMenu(u32 idx) const;
//! Sets the visible state of this element.
virtual void setVisible(bool visible);
//! should the element change the checked status on clicking
virtual void setItemAutoChecking(u32 idx, bool autoChecking);
//! does the element change the checked status on clicking
virtual bool getItemAutoChecking(u32 idx) const;
//! Returns command id of a menu item
virtual s32 getItemCommandId(u32 idx) const;
//! Sets the command id of a menu item
virtual void setItemCommandId(u32 idx, s32 id);
//! Adds a sub menu from an element that already exists.
virtual void setSubMenu(u32 index, CGUIContextMenu* menu);
//! When an eventparent is set it receives events instead of the usual parent element
virtual void setEventParent(IGUIElement *parent);
//! 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);
protected:
void closeAllSubMenus();
bool hasOpenSubMenu() const;
struct SItem
{
core::stringw Text;
bool IsSeparator;
bool Enabled;
bool Checked;
bool AutoChecking;
core::dimension2d<u32> Dim;
s32 PosY;
CGUIContextMenu* SubMenu;
s32 CommandId;
};
virtual void recalculateSize();
//! returns true, if an element was highlighted
virtual bool highlight(const core::position2d<s32>& p, bool canOpenSubMenu);
//! sends a click Returns:
//! 0 if click went outside of the element,
//! 1 if a valid button was clicked,
//! 2 if a nonclickable element was clicked
virtual u32 sendClick(const core::position2d<s32>& p);
//! returns the item highlight-area
virtual core::rect<s32> getHRect(const SItem& i, const core::rect<s32>& absolute) const;
//! Gets drawing rect of Item
virtual core::rect<s32> getRect(const SItem& i, const core::rect<s32>& absolute) const;
core::array<SItem> Items;
core::position2d<s32> Pos;
IGUIElement* EventParent;
IGUIFont *LastFont;
ECONTEXT_MENU_CLOSE CloseHandling;
s32 HighLighted;
u32 ChangeTime;
bool AllowFocus;
};
} // end namespace gui
} // end namespace irr
#endif // _IRR_COMPILE_WITH_GUI_
#endif // __C_GUI_CONTEXT_MENU_H_INCLUDED__
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