reactos/boot/freeldr/freeldr/ui/minitui.c

   1 /*
   2  * COPYRIGHT:       See COPYING in the top level directory
   3  * PROJECT:         FreeLoader
   4  * FILE:            boot/freeldr/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     TuiDrawText2,
 147     TuiDrawCenteredText,
 148     MiniTuiDrawStatusText,
 149     TuiUpdateDateTime,
 150     TuiMessageBox,
 151     TuiMessageBoxCritical,
 152     MiniTuiDrawProgressBarCenter,
 153     MiniTuiDrawProgressBar,
 154     TuiEditBox,
 155     TuiTextToColor,
 156     TuiTextToFillStyle,
 157     MiniTuiDrawBackdrop, /* no FadeIn */
 158     TuiFadeOut,
 159     TuiDisplayMenu,
 160     MiniTuiDrawMenu,
 161 };
 162 #endif