/*
 *  FreeLoader
 *  Copyright (C) 1998-2003  Brian Palmer  <brianp@sginet.com>
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License along
 *  with this program; if not, write to the Free Software Foundation, Inc.,
 *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */

#pragma once

#define	TUI_SCREEN_MEM				0xB8000
#define TITLE_BOX_CHAR_HEIGHT		5

///////////////////////////////////////////////////////////////////////////////////////
//
// Graphical User Interface Functions
//
///////////////////////////////////////////////////////////////////////////////////////
VOID	GuiDrawBackdrop(VOID);									// Fills the entire screen with a backdrop
VOID	GuiFillArea(ULONG Left, ULONG Top, ULONG Right, ULONG Bottom, UCHAR FillChar, UCHAR Attr /* Color Attributes */);	// Fills the area specified with FillChar and Attr
VOID	GuiDrawShadow(ULONG Left, ULONG Top, ULONG Right, ULONG Bottom);	// Draws a shadow on the bottom and right sides of the area specified
VOID	GuiDrawBox(ULONG Left, ULONG Top, ULONG Right, ULONG Bottom, UCHAR VertStyle, UCHAR HorzStyle, BOOLEAN Fill, BOOLEAN Shadow, UCHAR Attr);	// Draws a box around the area specified
VOID	GuiDrawText(ULONG X, ULONG Y, PUCHAR Text, UCHAR Attr);	// Draws text at coordinates specified
VOID	GuiDrawStatusText(PCSTR StatusText);					// Draws text at the very bottom line on the screen
VOID	GuiUpdateDateTime(VOID);								// Updates the date and time
VOID	GuiSaveScreen(PUCHAR Buffer);							// Saves the screen so that it can be restored later
VOID	GuiRestoreScreen(PUCHAR Buffer);						// Restores the screen from a previous save
VOID	GuiMessageBox(PCSTR MessageText);						// Displays a message box on the screen with an ok button
VOID	GuiMessageBoxCritical(PCSTR MessageText);				// Displays a message box on the screen with an ok button using no system resources
VOID	GuiDrawProgressBar(ULONG Position, ULONG Range);		// Draws the progress bar showing nPos percent filled

UCHAR	GuiTextToColor(PCSTR ColorText);						// Converts the text color into it's equivalent color value
UCHAR	GuiTextToFillStyle(PCSTR FillStyleText);				// Converts the text fill into it's equivalent fill value

///////////////////////////////////////////////////////////////////////////////////////
//
// Menu Functions
//
///////////////////////////////////////////////////////////////////////////////////////
BOOLEAN	GuiDisplayMenu(PCSTR MenuItemList[], ULONG MenuItemCount, ULONG DefaultMenuItem, LONG MenuTimeOut, ULONG* SelectedMenuItem);

extern const UIVTBL GuiVtbl;
