149 lines
4.0 KiB
C++
149 lines
4.0 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_CONTEXT_MENU_H_INCLUDED__
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#define __C_GUI_CONTEXT_MENU_H_INCLUDED__
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#include "IrrCompileConfig.h"
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#ifdef _IRR_COMPILE_WITH_GUI_
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#include "IGUIContextMenu.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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//! GUI Context menu interface.
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class CGUIContextMenu : public IGUIContextMenu
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{
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public:
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//! constructor
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CGUIContextMenu(IGUIEnvironment* environment,
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IGUIElement* parent, s32 id, core::rect<s32> rectangle,
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bool getFocus = true, bool allowFocus = true);
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//! destructor
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~CGUIContextMenu();
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//! Returns amount of menu items
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virtual s32 getItemCount() const;
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//! Adds a menu item.
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virtual s32 addItem(const wchar_t* text, s32 commandid, bool enabled,
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bool hasSubMenu,
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bool checked);
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//! Adds a separator item to the menu
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virtual void addSeparator();
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//! Returns text of the menu item.
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virtual const wchar_t* getItemText(s32 idx);
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//! Sets text of the menu item.
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virtual void setItemText(s32 idx, const wchar_t* text);
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//! Returns if a menu item is enabled
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virtual bool isItemEnabled(s32 idx);
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//! Sets if the menu item should be enabled.
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virtual void setItemEnabled(s32 idx, bool enabled);
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//! Returns if a menu item is checked
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virtual bool isItemChecked(s32 idx);
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//! Sets if the menu item should be checked.
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virtual void setItemChecked(s32 idx, bool enabled);
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//! Removes a menu item
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virtual void removeItem(s32 idx);
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//! Removes all menu items
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virtual void removeAllItems();
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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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//! Returns the selected item in the menu
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virtual s32 getSelectedItem();
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//! Returns a pointer to the submenu of an item.
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//! \return Pointer to the submenu of an item.
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virtual IGUIContextMenu* getSubMenu(s32 idx);
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//! Sets the visible state of this element.
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virtual void setVisible(bool visible);
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//! Returns command id of a menu item
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virtual s32 getItemCommandId(s32 idx);
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//! Sets the command id of a menu item
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virtual void setItemCommandId(s32 idx, s32 id);
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//! Adds a sub menu from an element that already exists.
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virtual void setSubMenu(s32 index, CGUIContextMenu* menu);
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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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protected:
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void closeAllSubMenus();
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bool hasOpenSubMenu();
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struct SItem
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{
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core::stringw Text;
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bool IsSeparator;
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bool Enabled;
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bool Checked;
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core::dimension2d<s32> Dim;
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s32 PosY;
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CGUIContextMenu* SubMenu;
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s32 CommandId;
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};
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virtual void recalculateSize();
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//! returns true, if an element was highlighted
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virtual bool highlight(core::position2d<s32> p, bool canOpenSubMenu);
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//! sends a click Returns:
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//! 0 if click went outside of the element,
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//! 1 if a valid button was clicked,
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//! 2 if a nonclickable element was clicked
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virtual s32 sendClick(core::position2d<s32> p);
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//! returns the item highlight-area
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virtual core::rect<s32> getHRect(const SItem& i, const core::rect<s32>& absolute);
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//! Gets drawing rect of Item
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virtual core::rect<s32> getRect(const SItem& i, const core::rect<s32>& absolute);
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void setEventParent(IGUIElement *parent);
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s32 HighLighted;
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core::array<SItem> Items;
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core::position2d<s32> Pos;
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u32 ChangeTime;
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IGUIElement* EventParent;
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bool AllowFocus;
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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_CONTEXT_MENU_H_INCLUDED__
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