From e648b8b8db9e09b110a221c1f170c77e25c49008 Mon Sep 17 00:00:00 2001
From: shunf4 <shun1048576@gmail.com>
Date: Sat, 20 Apr 2024 21:13:00 +0800
Subject: [PATCH] when the archive has only one folder as its direct child, do
 not add filename to path by default on extraction; if not, add filename to
 path

---
 CPP/7zip/UI/FileManager/App.cpp        | 11 +++++++++--
 CPP/7zip/UI/FileManager/CopyDialog.cpp |  5 +++++
 CPP/7zip/UI/FileManager/CopyDialog.h   |  5 ++++-
 3 files changed, 18 insertions(+), 3 deletions(-)

diff --git a/CPP/7zip/UI/FileManager/App.cpp b/CPP/7zip/UI/FileManager/App.cpp
index 3508143f..8eb78860 100644
--- a/CPP/7zip/UI/FileManager/App.cpp
+++ b/CPP/7zip/UI/FileManager/App.cpp
@@ -496,23 +496,30 @@ static void AddPropValueToSum(IFolderFolder *folder, int index, PROPID propID, U
     sum = (UInt64)(Int64)-1;
 }
 
-UString CPanel::GetItemsInfoString(const CRecordVector<UInt32> &indices)
+UString CPanel::GetItemsInfoString(const CRecordVector<UInt32> &indices, int *soleDir)
 {
   UString info;
   UInt64 numDirs, numFiles, filesSize, foldersSize;
   numDirs = numFiles = filesSize = foldersSize = 0;
   
   unsigned i;
+  *soleDir = 0;
   for (i = 0; i < indices.Size(); i++)
   {
     int index = indices[i];
     if (IsItem_Folder(index))
     {
+      if (i == 0) {
+        *soleDir = 1;
+      } else {
+        *soleDir = 0;
+      }
       AddPropValueToSum(_folder, index, kpidSize, foldersSize);
       numDirs++;
     }
     else
     {
+      *soleDir = 0;
       AddPropValueToSum(_folder, index, kpidSize, filesSize);
       numFiles++;
     }
@@ -629,7 +636,7 @@ void CApp::OnCopy(bool move, bool copyToSame, int srcPanelIndex)
     copyDialog.Value = destPath;
     LangString(move ? IDS_MOVE : IDS_COPY, copyDialog.Title);
     LangString(move ? IDS_MOVE_TO : IDS_COPY_TO, copyDialog.Static);
-    copyDialog.Info = srcPanel.GetItemsInfoString(indices);
+    copyDialog.Info = srcPanel.GetItemsInfoString(indices, &copyDialog.soleDir);
 	copyDialog.m_currentFolderPrefix = srcPanel._currentFolderPrefix;
 
     if (copyDialog.Create(srcPanel.GetParent()) != IDOK)
diff --git a/CPP/7zip/UI/FileManager/CopyDialog.cpp b/CPP/7zip/UI/FileManager/CopyDialog.cpp
index 527a3511..28fff48d 100644
--- a/CPP/7zip/UI/FileManager/CopyDialog.cpp
+++ b/CPP/7zip/UI/FileManager/CopyDialog.cpp
@@ -109,6 +109,9 @@ bool CCopyDialog::OnInit()
 		  }
 	  }
   }
+  if (soleDir == 0) {
+	OnButtonAddFileName();
+  }
   return CModalDialog::OnInit();
 }
 
@@ -267,6 +270,8 @@ void CCopyDialog::OnButtonAddFileName()
 		currentPath += m_strRealFileName;
 
 		_path.SetText(currentPath);
+	} else {
+		_path.SetText(currentPath.Mid(0, n));
 	}
 	_path.SetFocus();
 }
diff --git a/CPP/7zip/UI/FileManager/CopyDialog.h b/CPP/7zip/UI/FileManager/CopyDialog.h
index 054f5bc0..e6214d63 100644
--- a/CPP/7zip/UI/FileManager/CopyDialog.h
+++ b/CPP/7zip/UI/FileManager/CopyDialog.h
@@ -30,7 +30,8 @@ protected:
 	SIZE m_sizeMinWindow;
 
 public:
-  CCopyDialog(): m_bOpenOutputFolder(false), m_bDeleteSourceFile(false), m_bClose7Zip (false) { m_sizeMinWindow.cx = 0; m_sizeMinWindow.cy = 0; }
+  // soleDir=2: undecided
+  CCopyDialog(): soleDir(2), m_bOpenOutputFolder(false), m_bDeleteSourceFile(false), m_bClose7Zip (false) { m_sizeMinWindow.cx = 0; m_sizeMinWindow.cy = 0; }
 
   UString Title;
   UString Static;
@@ -38,6 +39,8 @@ public:
   UString Info;
   UStringVector Strings;
 
+  int soleDir;
+
   bool m_bOpenOutputFolder;
   bool m_bDeleteSourceFile;
   bool m_bClose7Zip;