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     if (MenuInfo->MenuHeader)
  89     {
  90         UiVtbl.DrawText(0,
  91                         MenuInfo->Top - 2,
  92                         MenuInfo->MenuHeader,
  93                         ATTR(UiMenuFgColor, UiMenuBgColor));
  94     }
  95
  96     //
  97     // Now tell the user how to choose
  98     //
  99     UiVtbl.DrawText(0,
 100                     MenuInfo->Bottom + 1,
 101                     "Use \x18 and \x19 to move the highlight to your choice.",
 102                     ATTR(UiMenuFgColor, UiMenuBgColor));
 103     UiVtbl.DrawText(0,
 104                     MenuInfo->Bottom + 2,
 105                     "Press ENTER to choose.",
 106                     ATTR(UiMenuFgColor, UiMenuBgColor));
 107
 108     //
 109     // And show the menu footer
 110     //
 111     if (MenuInfo->MenuFooter)
 112     {
 113         UiVtbl.DrawText(0,
 114                         UiScreenHeight - 4,
 115                         MenuInfo->MenuFooter,
 116                         ATTR(UiMenuFgColor, UiMenuBgColor));
 117     }
 118
 119     //
 120     // Draw the menu box
 121     //
 122     TuiDrawMenuBox(MenuInfo);
 123
 124     //
 125     // Draw each line of the menu
 126     //
 127     for (i = 0; i < MenuInfo->MenuItemCount; i++)
 128     {
 129         TuiDrawMenuItem(MenuInfo, i);
 130     }
 131
 132     //
 133     // Display the boot options if needed
 134     //
 135     if (MenuInfo->ShowBootOptions)
 136     {
 137         DisplayBootTimeOptions();
 138     }
 139
 140     VideoCopyOffScreenBufferToVRAM();
 141 }
 142
 143 const UIVTBL MiniTuiVtbl =
 144 {
 145     TuiInitialize,
 146     TuiUnInitialize,
 147     MiniTuiDrawBackdrop,
 148     TuiFillArea,
 149     TuiDrawShadow,
 150     TuiDrawBox,
 151     TuiDrawText,
 152     TuiDrawText2,
 153     TuiDrawCenteredText,
 154     MiniTuiDrawStatusText,
 155     TuiUpdateDateTime,
 156     TuiMessageBox,
 157     TuiMessageBoxCritical,
 158     MiniTuiDrawProgressBarCenter,
 159     MiniTuiDrawProgressBar,
 160     TuiEditBox,
 161     TuiTextToColor,
 162     TuiTextToFillStyle,
 163     MiniTuiDrawBackdrop, /* no FadeIn */
 164     TuiFadeOut,
 165     TuiDisplayMenu,
 166     MiniTuiDrawMenu,
 167 };
 168 #endif