/*
 *  gui.h
 *  
 *
 *  Created by Jasmin Fazlic on 18.12.08.
 *  Copyright 2008/09 Jasmin Fazlic All rights reserved.
 *  Copyright 2008/09 iNDi All rights reserved.
 *
 */

#ifndef __BOOT2_GUI_H
#define __BOOT2_GUI_H

#include "boot.h"
#include "bootstruct.h"
#include "graphics.h"
#include "graphic_utils.h"
#include "picopng.h"

#define CHARACTERS_COUNT		223

#define BOOT_NORMAL			0
#define BOOT_VERBOSE			1
#define BOOT_IGNORECACHE		2
#define BOOT_SINGLEUSER			3
#define DO_NOT_BOOT			4
#define CLOSE_INFO_MENU			5

#define INFOMENU_NATIVEBOOT_START	1
#define INFOMENU_NATIVEBOOT_END		3

#define MENU_SHOW_MEMORY_INFO		4
#define MENU_SHOW_VIDEO_INFO		5
#define MENU_SHOW_HELP			6

#define APPLE_LOGO_WIDTH  84
#define APPLE_LOGO_HEIGHT 103

#define APPLE_LOGO_X    ((VIDEO(width) - APPLE_LOGO_WIDTH) / 2)
#define APPLE_LOGO_Y    ((VIDEO(height) - APPLE_LOGO_HEIGHT) / 2)

#define APPLE_LOGO_2X_X    ((VIDEO(width) - (APPLE_LOGO_WIDTH * 2)) / 2)
#define APPLE_LOGO_2X_Y    ((VIDEO(height) - (APPLE_LOGO_HEIGHT * 2)) / 2)

// ====================================================================

enum {
	HorizontalLayout	= 0,
	VerticalLayout		= 1,
};

// ====================================================================

/*
 * Menu item structure.
 */

typedef struct {
	position_t	pos;
	char		*text;
	bool		enabled;
	bool		expandable;
} menuitem_t;

// ====================================================================

/*
 * Image structure.
 */
typedef struct {
	pixmap_t	*image;
	char		name[32];
} image_t;

// ====================================================================

/*
 * Font structure.
 */
typedef struct {
	uint16_t	height;			// Font Height 
	uint16_t	width;			// Font Width for monospace font only
	pixmap_t	*chars[CHARACTERS_COUNT];
	uint16_t	count;			// Number of chars in font
} font_t;

// ====================================================================

/*
 * Window structure.
 */
typedef struct
{
	position_t	pos;			// X,Y Position of window on screen
	pixmap_t	*pixmap;		// Buffer
	uint16_t	width;			// Width
	uint16_t	height;			// Height
	uint16_t	hborder;		// Horizontal border
	uint16_t	vborder;		// Vertical border
	uint16_t	iconspacing;		// Icon spacing
	position_t	cursor;			// Text Cursor X,Y Position will be multiples of font width & height
	uint32_t	bgcolor;		// Background color AARRGGBB
	uint32_t	fgcolor;		// Foreground color AARRGGBB
	uint32_t	font_small_color;	// Color for small  font AARRGGBB
	uint32_t	font_console_color;	// Color for consle font AARRGGBB
	bool		draw;			// Draw flag
} window_t;

// ====================================================================

/*
 * gui structure
 */
typedef struct
{
	uint8_t		maxdevices;		//
	uint8_t		layout;			// Horizontal or Vertical layout
	
	pixmap_t	*backbuffer;		// Off screen buffer

	window_t	screen;			// 
	window_t	background;		// Position of background graphic within screen
	window_t	logo;			// Logo
	window_t	bootprompt;		// Bootprompt Window
	window_t	devicelist;		// Devicelist Window
	window_t	infobox;		// Infobox Window
	window_t	menu;			// Menu

	window_t	progressbar;		// Progress bar
	window_t	countdown;		// Countdown text
	
	window_t	debug;			// Debug

	bool		initialised;		// Initialised
	bool		redraw;			// Redraw flag
} gui_t;


gui_t gui;					// gui structure

font_t font_small;
font_t font_console;

int  initGUI();
void drawBackground();

void setupDeviceList(config_file_t *theme);
bool is_image_loaded(int i);
void drawDeviceIcon(BVRef device, pixmap_t *buffer, position_t p, bool isSelected);
void drawDeviceList(int start, int end, int selection);
void drawProgressBar(pixmap_t *blendInto, uint16_t width, position_t p, uint8_t progress);

void showInfoBox(char *title, char *text);

int  dprintf( window_t * window, const char * fmt, ...) __attribute__((format(printf,2,3)));
int  gprintf( window_t * window, const char * fmt, ...) __attribute__((format(printf,2,3)));
int	 vprf(const char * fmt, va_list ap);

int  drawInfoMenu();
int  updateInfoMenu(int key);
void drawInfoMenuItems();

void showGraphicBootPrompt();
void clearGraphicBootPrompt();
void updateGraphicBootPrompt();

void updateVRAM();

position_t drawChar(unsigned char ch, font_t *font, pixmap_t *blendInto, position_t p);
void drawStr(char *ch, font_t *font, pixmap_t *blendInto, position_t p);
void drawStrCenteredAt(char *ch, font_t *font, pixmap_t *blendInto, position_t p);

void chooseLogoMode();

#endif /* !__BOOT2_GUI_H */