Work in progress of the boot loader menu.

git-svn-id: file:///srv/svn/repos/haiku/trunk/current@8093 a95241bf-73f2-0310-859d-f6bbb57e9c96

headers/private/kernel/boot/menu.h

@@ -0,0 +1,108 @@
+/*
+** Copyright 2004, Axel Dörfler, [email protected]. 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; }
+
+		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;
+};
+
+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 */

headers/private/kernel/boot/platform.h

@@ -42,19 +42,29 @@ extern void platform_start_kernel(void);
 #ifdef __cplusplus
 }
 
+// these functions have to be implemented in C++
+
+/* device functions */
+
 class Node;
 namespace boot {
 	class Partition;
 }
 
-/* device functions */
-
-// these functions have to be implemented in C++
 extern status_t platform_get_boot_device(struct stage2_args *args, Node **_device);
 extern status_t platform_add_block_devices(struct stage2_args *args, NodeList *devicesList);
 extern status_t platform_get_boot_partition(struct stage2_args *args, Node *bootDevice,
 					NodeList *partitions, boot::Partition **_partition);
 
+/* menu functions */
+
+class Menu;
+class MenuItem;
+
+extern void platform_add_menus(Menu *menu);
+extern void platform_update_menu_item(Menu *menu, MenuItem *item);
+extern void platform_run_menu(Menu *menu);
+
 #endif
 
 #endif	/* KERNEL_BOOT_PLATFORM_H */