From 771457f37f0673c8fa1f6e11268b7b5885780813 Mon Sep 17 00:00:00 2001
From: Katayama Hirofumi MZ <katayama.hirofumi.mz@gmail.com>
Date: Sun, 26 Apr 2020 22:06:19 +0900
Subject: [PATCH] [SHELL32] Implement VK_DELETE on SHBrowseForFolder (#2661)

Enable Del/Delete key to delete the selected folder in "Browse for Folder" dialog.
You can use https://jira.reactos.org/secure/attachment/40118/getfolder.zip as a test program.
CORE-7592
---
 dll/win32/shell32/wine/brsfolder.c | 43 ++++++++++++++++++++++++------
 1 file changed, 35 insertions(+), 8 deletions(-)

diff --git a/dll/win32/shell32/wine/brsfolder.c b/dll/win32/shell32/wine/brsfolder.c
index be45792654f..cfe982d53d9 100644
--- a/dll/win32/shell32/wine/brsfolder.c
+++ b/dll/win32/shell32/wine/brsfolder.c
@@ -625,6 +625,40 @@ static HRESULT BrsFolder_Rename(browse_info *info, HTREEITEM rename)
     return S_OK;
 }
 
+#ifdef __REACTOS__
+static void
+BrsFolder_Delete(browse_info *info, HTREEITEM selected_item)
+{
+    TV_ITEMW item;
+    TV_ITEMDATA *item_data;
+    SHFILEOPSTRUCTW fileop = { info->hwndTreeView };
+    WCHAR szzFrom[MAX_PATH + 1];
+
+    /* get item_data */
+    item.mask = TVIF_HANDLE | TVIF_PARAM;
+    item.hItem = selected_item;
+    if (!SendMessageW(info->hwndTreeView, TVM_GETITEMW, 0, (LPARAM)&item))
+    {
+        ERR("TVM_GETITEMW failed\n");
+        return;
+    }
+    item_data = (TV_ITEMDATA *)item.lParam;
+
+    /* get the path */
+    if (!SHGetPathFromIDListW(item_data->lpifq, szzFrom))
+    {
+        ERR("SHGetPathFromIDListW failed\n");
+        return;
+    }
+    szzFrom[lstrlenW(szzFrom) + 1] = 0; /* double NULL-terminated */
+    fileop.pFrom = szzFrom;
+
+    /* delete folder */
+    fileop.fFlags = FOF_ALLOWUNDO;
+    fileop.wFunc = FO_DELETE;
+    SHFileOperationW(&fileop);
+}
+#endif
 static LRESULT BrsFolder_Treeview_Keydown(browse_info *info, LPNMTVKEYDOWN keydown)
 {
     HTREEITEM selected_item;
@@ -643,14 +677,7 @@ static LRESULT BrsFolder_Treeview_Keydown(browse_info *info, LPNMTVKEYDOWN keydo
     case VK_DELETE:
         {
 #ifdef __REACTOS__
-            /*********************************************************
-            FIXME: Add a proper alternative implementation for ReactOS
-
-            NOTES: Wine makes use of the ISFHelper interface, which we
-            don't have in ReactOS.
-            It's defined in dlls/shell32/shellfolder.h and implemented
-            in dlls/shell32/shfldr_fs.c on Wine's side.
-            *********************************************************/
+            BrsFolder_Delete(info, selected_item);
 #else
             const ITEMIDLIST *item_id;
             ISFHelper *psfhlp;