reactos/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, 0, UiScreenWidth - 1, UiScreenHeight - 1, 0, 0);
  18
  19         //
  20         // Update the screen buffer
  21         //
  22         VideoCopyOffScreenBufferToVRAM();
  23 }
  24
  25 VOID MiniTuiDrawStatusText(PCSTR StatusText)
  26 {
  27         //
  28         // Minimal UI doesn't have a status bar
  29         //
  30 }
  31
  32 VOID MiniTuiDrawProgressBarCenter(ULONG Position, ULONG Range, PCHAR ProgressText)
  33 {
  34         ULONG           Left, Top, Right, Bottom;
  35         ULONG           Width = 50; // Allow for 50 "bars"
  36         ULONG           Height = 2;
  37
  38         Width = 80;
  39         Left = 0;
  40         Right = Left + Width;
  41         Top = UiScreenHeight - Height - 4;
  42         Bottom = Top + Height + 1;
  43
  44         MiniTuiDrawProgressBar(Left, Top, Right, Bottom, Position, Range, ProgressText);
  45 }
  46
  47 VOID MiniTuiDrawProgressBar(ULONG Left, ULONG Top, ULONG Right, ULONG Bottom, ULONG Position, ULONG Range, PCHAR ProgressText)
  48 {
  49         ULONG           i;
  50         ULONG           ProgressBarWidth = (Right - Left) - 4;
  51
  52         // First make sure the progress bar text fits
  53         UiTruncateStringEllipsis(ProgressText, ProgressBarWidth - 4);
  54
  55         if (Position > Range)
  56         {
  57                 Position = Range;
  58         }
  59
  60         //
  61         //  Draw the "Loading..." text
  62         //
  63         TuiDrawCenteredText(Left + 2, Top + 1, Right - 2, Top + 1, ProgressText, ATTR(7, 0));
  64
  65         // Draw the percent complete
  66         for (i=0; i<(Position*ProgressBarWidth)/Range; i++)
  67         {
  68                 TuiDrawText(Left+2+i, Top+2, "\xDB", ATTR(UiTextColor, UiMenuBgColor));
  69         }
  70
  71         TuiUpdateDateTime();
  72         VideoCopyOffScreenBufferToVRAM();
  73 }
  74
  75 VOID
  76 MiniTuiDrawMenu(PUI_MENU_INFO MenuInfo)
  77 {
  78     ULONG i;
  79
  80     //
  81     // Draw the backdrop
  82     //
  83     UiDrawBackdrop();
  84
  85     //
  86     // No GUI status bar text, just minimal text. Show the menu header.
  87     //
  88     UiVtbl.DrawText(0,
  89                     MenuInfo->Top - 2,
  90                     MenuInfo->MenuHeader,
  91                     ATTR(UiMenuFgColor, UiMenuBgColor));
  92
  93     //
  94     // Now tell the user how to choose
  95     //
  96     UiVtbl.DrawText(0,
  97                     MenuInfo->Bottom + 1,
  98                     "Use \x18 and \x19 to move the highlight to your choice.",
  99                     ATTR(UiMenuFgColor, UiMenuBgColor));
 100     UiVtbl.DrawText(0,
 101                     MenuInfo->Bottom + 2,
 102                     "Press ENTER to choose.",
 103                     ATTR(UiMenuFgColor, UiMenuBgColor));
 104
 105     //
 106     // And show the menu footer
 107     //
 108     UiVtbl.DrawText(0,
 109                     UiScreenHeight - 4,
 110                     MenuInfo->MenuFooter,
 111                     ATTR(UiMenuFgColor, UiMenuBgColor));
 112
 113     //
 114     // Draw the menu box
 115     //
 116     TuiDrawMenuBox(MenuInfo);
 117
 118     //
 119     // Draw each line of the menu
 120     //
 121     for (i = 0; i < MenuInfo->MenuItemCount; i++)
 122     {
 123         TuiDrawMenuItem(MenuInfo, i);
 124     }
 125
 126     //
 127     // Display the boot options if needed
 128     //
 129     if (MenuInfo->ShowBootOptions)
 130     {
 131         DisplayBootTimeOptions();
 132     }
 133
 134     VideoCopyOffScreenBufferToVRAM();
 135 }
 136
 137 const UIVTBL MiniTuiVtbl =
 138 {
 139         TuiInitialize,
 140         TuiUnInitialize,
 141         MiniTuiDrawBackdrop,
 142         TuiFillArea,
 143         TuiDrawShadow,
 144         TuiDrawBox,
 145         TuiDrawText,
 146         TuiDrawCenteredText,
 147         MiniTuiDrawStatusText,
 148         TuiUpdateDateTime,
 149         TuiMessageBox,
 150         TuiMessageBoxCritical,
 151         MiniTuiDrawProgressBarCenter,
 152         MiniTuiDrawProgressBar,
 153         TuiEditBox,
 154         TuiTextToColor,
 155         TuiTextToFillStyle,
 156         MiniTuiDrawBackdrop, /* no FadeIn */
 157         TuiFadeOut,
 158         TuiDisplayMenu,
 159         MiniTuiDrawMenu,
 160 };
 161 #endif