From 2bcb82f9cc1a09733747f5f4bc56165ed4b21b39 Mon Sep 17 00:00:00 2001
From: StartAutomating <StartAutomating@github.com>
Date: Sun, 25 Feb 2024 23:32:56 +0000
Subject: [PATCH] feat: Posh.Host.UI.Box.GetBorderLine ( Fixes #373 )

Fixing Overflows
---
 Posh.types.ps1xml | 92 ++++++++++++++++++++++++++++-------------------
 1 file changed, 56 insertions(+), 36 deletions(-)

diff --git a/Posh.types.ps1xml b/Posh.types.ps1xml
index 97f3b6a..ffa4d54 100644
--- a/Posh.types.ps1xml
+++ b/Posh.types.ps1xml
@@ -1612,19 +1612,22 @@ if (-not $Width) {
     $width = $host.UI.RawUI.BufferSize.Width
 }
 
-$left, 
-    $right,
-        $middle, 
-            $wall = 
-$this."${lineType}Left",
-    $this."${lineType}Right",
-        ($this.("${lineType}Middle" -replace "MiddleMiddle", "Middle")),
-            $this."${lineType}Wall"
-
-if (-not $wall) { $wall = ' '}
-if (-not $left) { $left = $this.LeftWall }
-if (-not $middle) { $middle = $this.MiddleWall }
-if (-not $right) { $right = $this.RightWall }
+if ($lineType -eq 'Row') {
+    $wall = ' '
+    $left = $this.LeftWall
+    $middle = $this.MiddleVerticalWall
+    $right = $this.RightWall    
+} else {
+    $left, 
+        $right,
+            $middle, 
+                $wall = 
+    $this."${lineType}Left",
+        $this."${lineType}Right",
+            ($this.("${lineType}Middle" -replace "MiddleMiddle", "Middle")),
+                $this."${lineType}Wall"
+}
+
 if (-not $ColumnWidth) {
     return $(switch ($width) {
         1 { $left }
@@ -1635,33 +1638,50 @@ if (-not $ColumnWidth) {
             }
         }
     })
-} else {
-    $currentTotalWidth = 0
-    $columnWidths = @(foreach ($eachColumnWidth in $ColumnWidth) {
-        $columnsWide = 
-            if ($eachColumnWidth -le 1) {
-                ([int][Math]::Floor($width * $eachColumnWidth) - 1)
-            } else {
-                $eachColumnWidth -as [int]
-            }
-        if ($width -ge ($columnsWide + $currentTotalWidth)) {
-            $currentTotalWidth+=$columnsWide
-            $columnsWide
+}
+$currentTotalWidth = 0
+$columnWidths = @(foreach ($eachColumnWidth in $ColumnWidth) {
+    $columnsWide = 
+        if ($eachColumnWidth -le 1) {
+            ([int][Math]::Floor($width * $eachColumnWidth) - 1)
+        } else {
+            $eachColumnWidth -as [int]
         }
-    })
+    if ($width -ge ($columnsWide + $currentTotalWidth)) {
+        $currentTotalWidth+=$columnsWide
+        $columnsWide
+    }
+})
 
-    @(
-        $left
-        for ($columnNumber = 0; $columnNumber -lt $columnWidths.Length; $columnNumber++) {
-            if ($columnNumber) {
-                $Middle
+
+@(
+    $left
+    $totalWidth = 1
+    for ($columnNumber = 0; $columnNumber -lt $columnWidths.Length; $columnNumber++) {
+        if ($columnNumber) {
+            $Middle
+        }
+        $thisColumnWidth = $columnWidths[$columnNumber]
+        
+        $wallSection = $Wall * $thisColumnWidth        
+        $totalWidth += $wallSection.Length
+        Write-Debug "Total Width: $totalWidth"
+        if (($totalWidth + 2) -ge $Width) {
+            if ($totalWidth -ge $width) {
+                $n = ($totalWidth - $width) + 1
+                $wallSection -replace ".{$n}$"
+            } else {
+                $wallSection.Substring(0, $wallSection.Length - 1)
             }
-            $Wall * $columnWidths[$columnNumber]
+            
+            break
+        } else {
+            $wallSection
         }
-        $Right
-    ) -join ''
-    
-}
+    }
+    $totalWidth++
+    $Right
+) -join ''
                     </Script>
       </ScriptMethod>
       <ScriptProperty>