[PATCH v10 2/4] shell32: Implement PickIconDlg function

[Matthias Zorn]

From: Matthias Zorn

---
 dlls/shell32/dialogs.c | 36 +++++++++++++++++++++++++++++++++++-
 1 file changed, 35 insertions(+), 1 deletion(-)

diff --git a/dlls/shell32/dialogs.c b/dlls/shell32/dialogs.c
index f99c031d7ef..30998f8e4bb 100644
--- a/dlls/shell32/dialogs.c
+++ b/dlls/shell32/dialogs.c
@@ -72,6 +72,37 @@ WINE_DEFAULT_DEBUG_CHANNEL(shell);
 static INT_PTR CALLBACK RunDlgProc (HWND, UINT, WPARAM, LPARAM) ;
 static void FillList (HWND, char *, BOOL) ;

+static WCHAR *PickIconDlg_CreateExpanded(WCHAR *just_path_with_backslash_at_end, WCHAR *file_name)
+{
+    WCHAR *return_value, *unexpanded;
+    int length_path, length_file_name;
+    DWORD required_expanded_size, number;
+    length_path = lstrlenW(just_path_with_backslash_at_end);
+    length_file_name = lstrlenW(file_name);
+    unexpanded = malloc((length_path + length_file_name + 1) * sizeof(WCHAR));
+    if(unexpanded == NULL)
+        return NULL;
+    lstrcpyW(unexpanded, just_path_with_backslash_at_end);
+    lstrcatW(unexpanded, file_name);
+    required_expanded_size = ExpandEnvironmentStringsW(unexpanded, NULL, 0);
+    return_value = malloc(required_expanded_size * sizeof(WCHAR));
+    if(return_value == NULL)
+    {
+        free(unexpanded);
+        return NULL;
+    }
+    number = ExpandEnvironmentStringsW(unexpanded, return_value,
+        required_expanded_size * sizeof(WCHAR));
+    if(number == 0)
+    {
+        if(return_value != NULL)
+            free(return_value);
+        return_value = NULL;
+    }
+    free(unexpanded);
+    return return_value;
+}
+

/*************************************************************************
  * PickIconDlg					[SHELL32.62]
@@ -79,8 +110,11 @@ static void FillList (HWND, char *, BOOL) ;
  */
 INT WINAPI PickIconDlg(HWND hwndOwner, WCHAR *path, UINT path_len, INT *index)
 {
+	WCHAR *expanded;
+	const WCHAR filename[] = { 'a', '.', 'o', 'u', 't', 0 };
+	expanded = PickIconDlg_CreateExpanded(path, filename);
     /*FIXME("(%p,%s,%u,%p):stub.\n", hwndOwner, debugstr_w(path), path_len, index);*/
-    MessageBoxW(hwndOwner, L"Hi world!", NULL, MB_OK);
+    MessageBoxW(hwndOwner, L"Hi world!", expanded, MB_OK);
     return 0xffffffff;
 }