haiku/headers/private/kernel/boot/menu.h
Axel Dörfler 82fc8f393c You can now attach an arbitrary data pointer to a menu item.
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@8104 a95241bf-73f2-0310-859d-f6bbb57e9c96
2004-06-21 21:50:31 +00:00

113 lines
2.3 KiB
C++

/*
** Copyright 2004, Axel Dörfler, axeld@pinc-software.de. All rights reserved.
** Distributed under the terms of the OpenBeOS License.
*/
#ifndef KERNEL_BOOT_MENU_H
#define KERNEL_BOOT_MENU_H
#include <SupportDefs.h>
#include <util/DoublyLinkedList.h>
class Menu;
class MenuItem;
typedef bool (*menu_item_hook)(Menu *, MenuItem *);
enum menu_item_type {
MENU_ITEM_STANDARD = 1,
MENU_ITEM_MARKABLE,
MENU_ITEM_TITLE,
MENU_ITEM_SEPARATOR,
};
class MenuItem {
public:
MenuItem(const char *label = NULL, Menu *subMenu = NULL);
~MenuItem();
void SetTarget(menu_item_hook target);
void SetMarked(bool marked);
bool IsMarked() const { return fIsMarked; }
void Select(bool selected);
bool IsSelected() const { return fIsSelected; }
void SetType(menu_item_type type);
menu_item_type Type() const { return fType; }
void SetData(void *data);
void *Data() const { return fData; }
const char *Label() const { return fLabel; }
Menu *Submenu() const { return fSubMenu; }
DoublyLinked::Link fLink;
private:
friend class Menu;
void SetMenu(Menu *menu);
const char *fLabel;
menu_item_hook fTarget;
bool fIsMarked;
bool fIsSelected;
menu_item_type fType;
Menu *fMenu, *fSubMenu;
void *fData;
};
typedef DoublyLinked::List<MenuItem> MenuItemList;
typedef DoublyLinked::Iterator<MenuItem> MenuItemIterator;
enum menu_type {
MAIN_MENU = 1,
SAFE_MODE_MENU,
STANDARD_MENU,
CHOICE_MENU,
};
class Menu {
public:
Menu(menu_type type, const char *title = NULL);
~Menu();
menu_type Type() const { return fType; }
void Hide() { fIsHidden = true; }
void Show() { fIsHidden = false; }
bool IsHidden() const { return fIsHidden; }
MenuItemIterator ItemIterator() { return fItems.Iterator(); }
MenuItem *ItemAt(int32 index);
int32 IndexOf(MenuItem *item);
int32 CountItems() const;
MenuItem *FindMarked();
MenuItem *FindSelected(int32 *_index = NULL);
void AddItem(MenuItem *item);
status_t AddSeparatorItem();
MenuItem *RemoveItemAt(int32 index);
void RemoveItem(MenuItem *item);
const char *Title() const { return fTitle; }
void Run();
private:
friend class MenuItem;
void Draw(MenuItem *item);
const char *fTitle;
int32 fCount;
bool fIsHidden;
MenuItemList fItems;
menu_type fType;
};
#endif /* KERNEL_BOOT_MENU_H */