boot/freeldr/freeldr/ui/minitui.c

   1 /*
   2  * COPYRIGHT:       See COPYING in the top level directory
   3  * PROJECT:         FreeLoader
   4  * FILE:            freeldr/ui/minitui.c
   5  * PURPOSE:         Mini Text UI interface
   6  * PROGRAMMERS:     Brian Palmer <brianp@sginet.com>
   7  *                  Hervé Poussineau
   8  */
   9 #ifndef _M_ARM
  10 #include <freeldr.h>
  11
  12 VOID MiniTuiDrawBackdrop(VOID)
  13 {
  14         //
  15         // Fill in a black background
  16         //
  17         TuiFillArea(0,
  18                     0,
  19                     UiScreenWidth - 1,
  20                     UiScreenHeight - 1,
  21                     0,
  22                     0);
  23
  24         //
  25         // Update the screen buffer
  26         //
  27         VideoCopyOffScreenBufferToVRAM();
  28 }
  29
  30 VOID MiniTuiDrawStatusText(PCSTR StatusText)
  31 {
  32         //
  33         // Minimal UI doesn't have a status bar
  34         //
  35 }
  36
  37 VOID MiniTuiDrawProgressBarCenter(ULONG Position, ULONG Range, PCHAR ProgressText)
  38 {
  39         ULONG           Left, Top, Right, Bottom;
  40         ULONG           Width = 50; // Allow for 50 "bars"
  41         ULONG           Height = 2;
  42
  43         Width = 80;
  44         Left = 0;
  45         Right = Left + Width;
  46         Top = UiScreenHeight - Height - 4;
  47         Bottom = Top + Height + 1;
  48
  49         MiniTuiDrawProgressBar(Left, Top, Right, Bottom, Position, Range, ProgressText);
  50 }
  51
  52 VOID MiniTuiDrawProgressBar(ULONG Left, ULONG Top, ULONG Right, ULONG Bottom, ULONG Position, ULONG Range, PCHAR ProgressText)
  53 {
  54         ULONG           i;
  55         ULONG           ProgressBarWidth = (Right - Left) - 3;
  56
  57         // First make sure the progress bar text fits
  58         UiTruncateStringEllipsis(ProgressText, ProgressBarWidth - 4);
  59
  60         if (Position > Range)
  61         {
  62                 Position = Range;
  63         }
  64
  65         //
  66         //  Draw the "Loading..." text
  67         //
  68         TuiDrawCenteredText(Left + 2, Top + 1, Right - 2, Top + 1, ProgressText, ATTR(7, 0));
  69
  70         // Draw the percent complete
  71         for (i=0; i<(Position*ProgressBarWidth)/Range; i++)
  72         {
  73                 TuiDrawText(Left+2+i, Top+2, "\xDB", ATTR(UiTextColor, UiMenuBgColor));
  74         }
  75
  76         TuiUpdateDateTime();
  77         VideoCopyOffScreenBufferToVRAM();
  78 }
  79
  80 VOID
  81 MiniTuiDrawMenu(PUI_MENU_INFO MenuInfo)
  82 {
  83     ULONG i;
  84
  85     //
  86     // Draw the backdrop
  87     //
  88     UiDrawBackdrop();
  89
  90     //
  91     // No GUI status bar text, just minimal text. first to tell the user to
  92     // choose.
  93     //
  94     UiVtbl.DrawText(0,
  95                     MenuInfo->Top - 2,
  96                     "Please select the operating system to start:",
  97                     ATTR(UiMenuFgColor, UiMenuBgColor));
  98
  99     //
 100     // Now tell him how to choose
 101     //
 102     UiVtbl.DrawText(0,
 103                     MenuInfo->Bottom + 1,
 104                     "Use the up and down arrow keys to move the highlight to "
 105                     "your choice.",
 106                     ATTR(UiMenuFgColor, UiMenuBgColor));
 107     UiVtbl.DrawText(0,
 108                     MenuInfo->Bottom + 2,
 109                     "Press ENTER to choose.",
 110                     ATTR(UiMenuFgColor, UiMenuBgColor));
 111
 112     //
 113     // And offer F8 options
 114     //
 115     UiVtbl.DrawText(0,
 116                     UiScreenHeight - 4,
 117                     "For troubleshooting and advanced startup options for "
 118                     "ReactOS, press F8.",
 119                     ATTR(UiMenuFgColor, UiMenuBgColor));
 120
 121     //
 122     // Draw the menu box
 123     //
 124     TuiDrawMenuBox(MenuInfo);
 125
 126     //
 127     // Draw each line of the menu
 128     //
 129     for (i = 0; i < MenuInfo->MenuItemCount; i++) TuiDrawMenuItem(MenuInfo, i);
 130     VideoCopyOffScreenBufferToVRAM();
 131 }
 132
 133 const UIVTBL MiniTuiVtbl =
 134 {
 135         TuiInitialize,
 136         TuiUnInitialize,
 137         MiniTuiDrawBackdrop,
 138         TuiFillArea,
 139         TuiDrawShadow,
 140         TuiDrawBox,
 141         TuiDrawText,
 142         TuiDrawCenteredText,
 143         MiniTuiDrawStatusText,
 144         TuiUpdateDateTime,
 145         TuiMessageBox,
 146         TuiMessageBoxCritical,
 147         MiniTuiDrawProgressBarCenter,
 148         MiniTuiDrawProgressBar,
 149         TuiEditBox,
 150         TuiTextToColor,
 151         TuiTextToFillStyle,
 152         MiniTuiDrawBackdrop, /* no FadeIn */
 153         TuiFadeOut,
 154         TuiDisplayMenu,
 155         MiniTuiDrawMenu,
 156 };
 157 #endif