[PATCH v6 2/2] comdlg32: Display filter specs in itemdlg File Type combo box

[Maotong Zhang]

From: Maotong Zhang

Wine-Bug:https://bugs.winehq.org/show_bug.cgi?id=57113
---
 dlls/comdlg32/itemdlg.c | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/dlls/comdlg32/itemdlg.c b/dlls/comdlg32/itemdlg.c
index 99af524a06f..d974131924a 100644
--- a/dlls/comdlg32/itemdlg.c
+++ b/dlls/comdlg32/itemdlg.c
@@ -2549,6 +2549,26 @@ static HRESULT WINAPI IFileDialog2_fnSetFileTypes(IFileDialog2 *iface, UINT cFil
     {
         This->filterspecs[i].pszName = StrDupW(rgFilterSpec[i].pszName);
         This->filterspecs[i].pszSpec = StrDupW(rgFilterSpec[i].pszSpec);
+        
+        if (This->filterspecs[i].pszName != NULL && This->filterspecs[i].pszSpec != NULL)
+        {
+            DWORD name_len = lstrlenW(This->filterspecs[i].pszName);
+    
+            if (name_len == 0 || This->filterspecs[i].pszName[name_len - 1] != L')')
+            {
+                DWORD spec_len = lstrlenW(This->filterspecs[i].pszSpec);
+
+                DWORD total_len = name_len + spec_len + 4;
+    
+                WCHAR* pszName = LocalAlloc(LMEM_FIXED, total_len * sizeof(WCHAR));
+                if (pszName != NULL)
+                {
+                    swprintf(pszName, total_len, L"%s (%s)", This->filterspecs[i].pszName, This->filterspecs[i].pszSpec);
+                    LocalFree((void *)This->filterspecs[i].pszName);
+                    This->filterspecs[i].pszName = pszName;
+                }
+            }
+        } 
     }
     This->filterspec_count = cFileTypes;