[reactos] 06/07: [FREELDR:UI] Couple of fixes for the ProgressBar functions.

[Hermès Bélusca-Maïto]

https://git.reactos.org/?p=reactos.git;a=commitdiff;h=910124736612450b61164…

commit 910124736612450b611643f8e416f16cdd61e076
Author:     Hermès Bélusca-Maïto <hermes.belusca-maito(a)reactos.org>
AuthorDate: Thu Jan 6 23:58:22 2022 +0100
Commit:     Hermès Bélusca-Maïto <hermes.belusca-maito(a)reactos.org>
CommitDate: Sun Feb 6 17:52:44 2022 +0100

    [FREELDR:UI] Couple of fixes for the ProgressBar functions.
    
    - Fix box size calculations.
    - MiniTUI: Distinguish Vista+ vs. NTLDR style progress bar.
---
 boot/freeldr/freeldr/ui/minitui.c | 38 +++++++++++++++++++++++--------
 boot/freeldr/freeldr/ui/tui.c     | 48 +++++++++++++++++++++++++--------------
 2 files changed, 59 insertions(+), 27 deletions(-)

diff --git a/boot/freeldr/freeldr/ui/minitui.c b/boot/freeldr/freeldr/ui/minitui.c
index cc967f9b753..95bb0b0eb1f 100644
--- a/boot/freeldr/freeldr/ui/minitui.c
+++ b/boot/freeldr/freeldr/ui/minitui.c
@@ -9,6 +9,10 @@
 
 #include <freeldr.h>
 
+/* NTLDR or Vista+ BOOTMGR progress-bar style */
+// #define NTLDR_PROGRESSBAR
+// #define BTMGR_PROGRESSBAR /* Default style */
+
 #ifndef _M_ARM
 
 VOID MiniTuiDrawBackdrop(VOID)
@@ -36,12 +40,19 @@ MiniTuiDrawProgressBarCenter(
     ULONG Left, Top, Right, Bottom, Width, Height;
 
     /* Build the coordinates and sizes */
+#ifdef NTLDR_PROGRESSBAR
     Height = 2;
-    Width = UiScreenWidth;
+    Width  = UiScreenWidth;
     Left = 0;
-    Right = (Left + Width) - 1;
-    Top = UiScreenHeight - Height - 4;
-    Bottom = Top + Height + 1;
+    Top  = UiScreenHeight - Height - 2;
+#else // BTMGR_PROGRESSBAR
+    Height = 3;
+    Width  = UiScreenWidth - 4;
+    Left = 2;
+    Top  = UiScreenHeight - Height - 3;
+#endif
+    Right  = Left + Width - 1;
+    Bottom = Top + Height - 1;
 
     /* Draw the progress bar */
     MiniTuiDrawProgressBar(Left, Top, Right, Bottom, Position, Range, ProgressText);
@@ -60,23 +71,30 @@ MiniTuiDrawProgressBar(
     ULONG ProgressBarWidth, i;
 
     /* Calculate the width of the bar proper */
-    ProgressBarWidth = (Right - Left) - 3;
-
-    /* First make sure the progress bar text fits */
-    UiTruncateStringEllipsis(ProgressText, ProgressBarWidth - 4);
+    ProgressBarWidth = Right - Left + 1;
 
     /* Clip the position */
     if (Position > Range)
         Position = Range;
 
+    /* First make sure the progress bar text fits */
+    UiTruncateStringEllipsis(ProgressText, ProgressBarWidth);
+
     /* Draw the "Loading..." text */
-    TuiDrawCenteredText(Left + 2, Top + 1, Right - 2, Top + 1, ProgressText,
ATTR(UiTextColor, UiMenuBgColor));
+    TuiDrawCenteredText(Left, Top, Right,
+#ifdef NTLDR_PROGRESSBAR
+                        Bottom - 1,
+#else // BTMGR_PROGRESSBAR
+                        Bottom - 2, // One empty line between text and bar.
+#endif
+                        ProgressText, ATTR(UiTextColor, UiMenuBgColor));
 
     /* Draw the percent complete */
     for (i = 0; i < (Position * ProgressBarWidth) / Range; i++)
     {
         /* Use the fill character */
-        TuiDrawText(Left + 2 + i, Top + 2, "\xDB", ATTR(UiTextColor,
UiMenuBgColor));
+        TuiDrawText(Left + i, Bottom,
+                    "\xDB", ATTR(UiTextColor, UiMenuBgColor));
     }
 
 #ifndef _M_ARM
diff --git a/boot/freeldr/freeldr/ui/tui.c b/boot/freeldr/freeldr/ui/tui.c
index 9da79931b94..821d7b399ba 100644
--- a/boot/freeldr/freeldr/ui/tui.c
+++ b/boot/freeldr/freeldr/ui/tui.c
@@ -689,16 +689,21 @@ TuiDrawProgressBarCenter(
     _In_ ULONG Range,
     _Inout_z_ PSTR ProgressText)
 {
-    ULONG Left, Top, Right, Bottom;
-    ULONG Width = 50; // Allow for 50 "bars"
-    ULONG Height = 2;
+    ULONG Left, Top, Right, Bottom, Width, Height;
 
     /* Build the coordinates and sizes */
-    Left = (UiScreenWidth - Width - 4) / 2;
-    Right = Left + Width + 3;
-    Top = (UiScreenHeight - Height - 2) / 2;
-    Top += 2;
-    Bottom = Top + Height + 1;
+    Height = 2;
+    Width  = 50; // Allow for 50 "bars"
+    Left = (UiScreenWidth - Width) / 2;
+    Top  = (UiScreenHeight - Height + 4) / 2;
+    Right  = Left + Width - 1;
+    Bottom = Top + Height - 1;
+
+    /* Inflate to include the box margins */
+    Left -= 2;
+    Right += 2;
+    Top -= 1;
+    Bottom += 1;
 
     /* Draw the progress bar */
     TuiDrawProgressBar(Left, Top, Right, Bottom, Position, Range, ProgressText);
@@ -716,33 +721,42 @@ TuiDrawProgressBar(
 {
     ULONG ProgressBarWidth, i;
 
-    /* Calculate the width of the bar proper */
-    ProgressBarWidth = (Right - Left) - 3;
+    /* Draw the box */
+    TuiDrawBox(Left, Top, Right, Bottom, VERT, HORZ, TRUE, TRUE, ATTR(UiMenuFgColor,
UiMenuBgColor));
 
-    /* First make sure the progress bar text fits */
-    UiTruncateStringEllipsis(ProgressText, ProgressBarWidth - 4);
+    /* Exclude the box margins */
+    Left += 2;
+    Right -= 2;
+    Top += 1;
+    Bottom -= 1;
+
+    /* Calculate the width of the bar proper */
+    ProgressBarWidth = Right - Left + 1;
 
     /* Clip the position */
     if (Position > Range)
         Position = Range;
 
-    /* Draw the box */
-    TuiDrawBox(Left, Top, Right, Bottom, VERT, HORZ, TRUE, TRUE, ATTR(UiMenuFgColor,
UiMenuBgColor));
+    /* First make sure the progress bar text fits */
+    UiTruncateStringEllipsis(ProgressText, ProgressBarWidth);
 
     /* Draw the "Loading..." text */
-    TuiDrawCenteredText(Left + 2, Top + 2, Right - 2, Top + 2, ProgressText,
ATTR(UiTextColor, UiMenuBgColor));
+    TuiDrawCenteredText(Left, Top, Right, Bottom - 1,
+                        ProgressText, ATTR(UiTextColor, UiMenuBgColor));
 
     /* Draw the percent complete */
     for (i = 0; i < (Position * ProgressBarWidth) / Range; i++)
     {
         /* Use the fill character */
-        TuiDrawText(Left + 2 + i, Top + 2, "\xDB", ATTR(UiTextColor,
UiMenuBgColor));
+        TuiDrawText(Left + i, Bottom,
+                    "\xDB", ATTR(UiTextColor, UiMenuBgColor));
     }
 
     /* Draw the shadow */
     for (; i < ProgressBarWidth; i++)
     {
-        TuiDrawText(Left + 2 + i, Top + 2, "\xB2", ATTR(UiTextColor,
UiMenuBgColor));
+        TuiDrawText(Left + i, Bottom,
+                    "\xB2", ATTR(UiTextColor, UiMenuBgColor));
     }
 
 #ifndef _M_ARM