freeldr/freeldr/ui/gui.h

   1 /*
   2  *  FreeLoader
   3  *  Copyright (C) 1998-2003  Brian Palmer  <brianp@sginet.com>
   4  *
   5  *  This program is free software; you can redistribute it and/or modify
   6  *  it under the terms of the GNU General Public License as published by
   7  *  the Free Software Foundation; either version 2 of the License, or
   8  *  (at your option) any later version.
   9  *
  10  *  This program is distributed in the hope that it will be useful,
  11  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  *  GNU General Public License for more details.
  14  *
  15  *  You should have received a copy of the GNU General Public License
  16  *  along with this program; if not, write to the Free Software
  17  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  18  */
  19
  20 #ifndef __GUI_H
  21 #define __GUI_H
  22
  23 #define TUI_SCREEN_MEM                          0xB8000
  24 #define TITLE_BOX_CHAR_HEIGHT           5
  25
  26 ///////////////////////////////////////////////////////////////////////////////////////
  27 //
  28 // Graphical User Interface Functions
  29 //
  30 ///////////////////////////////////////////////////////////////////////////////////////
  31 VOID    GuiDrawBackdrop(VOID);                                                                  // Fills the entire screen with a backdrop
  32 VOID    GuiFillArea(U32 Left, U32 Top, U32 Right, U32 Bottom, UCHAR FillChar, UCHAR Attr /* Color Attributes */);       // Fills the area specified with FillChar and Attr
  33 VOID    GuiDrawShadow(U32 Left, U32 Top, U32 Right, U32 Bottom);        // Draws a shadow on the bottom and right sides of the area specified
  34 VOID    GuiDrawBox(U32 Left, U32 Top, U32 Right, U32 Bottom, UCHAR VertStyle, UCHAR HorzStyle, BOOL Fill, BOOL Shadow, UCHAR Attr);     // Draws a box around the area specified
  35 VOID    GuiDrawText(U32 X, U32 Y, PUCHAR Text, UCHAR Attr);     // Draws text at coordinates specified
  36 VOID    GuiDrawStatusText(PUCHAR StatusText);                                   // Draws text at the very bottom line on the screen
  37 VOID    GuiUpdateDateTime(VOID);                                                                // Updates the date and time
  38 VOID    GuiSaveScreen(PUCHAR Buffer);                                                   // Saves the screen so that it can be restored later
  39 VOID    GuiRestoreScreen(PUCHAR Buffer);                                                // Restores the screen from a previous save
  40 VOID    GuiMessageBox(PUCHAR MessageText);                                              // Displays a message box on the screen with an ok button
  41 VOID    GuiMessageBoxCritical(PUCHAR MessageText);                              // Displays a message box on the screen with an ok button using no system resources
  42 VOID    GuiDrawProgressBar(U32 Position, U32 Range);            // Draws the progress bar showing nPos percent filled
  43
  44 UCHAR   GuiTextToColor(PUCHAR ColorText);                                               // Converts the text color into it's equivalent color value
  45 UCHAR   GuiTextToFillStyle(PUCHAR FillStyleText);                               // Converts the text fill into it's equivalent fill value
  46
  47 ///////////////////////////////////////////////////////////////////////////////////////
  48 //
  49 // Menu Functions
  50 //
  51 ///////////////////////////////////////////////////////////////////////////////////////
  52 BOOL    GuiDisplayMenu(PUCHAR MenuItemList[], U32 MenuItemCount, U32 DefaultMenuItem, S32 MenuTimeOut, U32* SelectedMenuItem);
  53
  54
  55
  56 #endif // #defined __GUI_H