cryptui: Make sure a store is selected when the user click OK in the select store dialog.

dlls/cryptui/cryptui_En.rc

@@ -61,6 +61,8 @@ STRINGTABLE DISCARDABLE
     IDS_CERTIFICATE_PROPERTIES "Certificate Properties"
     IDS_CERTIFICATE_PURPOSE_ERROR "Please enter an OID in the form 1.2.3.4"
     IDS_CERTIFICATE_PURPOSE_EXISTS "The OID you entered already exists."
+    IDS_SELECT_STORE_TITLE "Select Certificate Store"
+    IDS_SELECT_STORE "Please select a certificate store."
     IDS_PURPOSE_SERVER_AUTH "Ensures the identify of a remote computer"
     IDS_PURPOSE_CLIENT_AUTH "Proves your identity to a remote computer"
     IDS_PURPOSE_CODE_SIGNING "Ensures software came from software publisher\nProtects software from alteration after publication"

dlls/cryptui/cryptuires.h

@@ -58,6 +58,8 @@
 #define IDS_CERTIFICATE_PROPERTIES 1038
 #define IDS_CERTIFICATE_PURPOSE_ERROR 1039
 #define IDS_CERTIFICATE_PURPOSE_EXISTS 1040
+#define IDS_SELECT_STORE_TITLE 1041
+#define IDS_SELECT_STORE 1042
 
 #define IDS_PURPOSE_SERVER_AUTH 1100
 #define IDS_PURPOSE_CLIENT_AUTH 1101

dlls/cryptui/main.c

@@ -248,6 +248,8 @@ static void free_store_info(HWND tree)
     }
 }
 
+#define MAX_STRING_LEN 512
+
 static LRESULT CALLBACK select_store_dlg_proc(HWND hwnd, UINT msg, WPARAM wp,
  LPARAM lp)
 {
@@ -274,10 +276,38 @@ static LRESULT CALLBACK select_store_dlg_proc(HWND hwnd, UINT msg, WPARAM wp,
         switch (wp)
         {
         case IDOK:
-            free_store_info(GetDlgItem(hwnd, IDC_STORE_LIST));
+        {
+            HWND tree = GetDlgItem(hwnd, IDC_STORE_LIST);
+            HTREEITEM selection = (HTREEITEM)SendMessageW(tree,
+             TVM_GETNEXTITEM, TVGN_CARET, (LPARAM)NULL);
+
+            info = (PCRYPTUI_SELECTSTORE_INFO_W)GetWindowLongPtrW(hwnd,
+             DWLP_USER);
+            if (!selection)
+            {
+                WCHAR title[MAX_STRING_LEN], error[MAX_STRING_LEN], *pTitle;
+
+                if (info->pwszTitle)
+                    pTitle = info->pwszTitle;
+                else
+                {
+                    LoadStringW(hInstance, IDS_SELECT_STORE_TITLE, title,
+                     sizeof(title) / sizeof(title[0]));
+                    pTitle = title;
+                }
+                LoadStringW(hInstance, IDS_SELECT_STORE, error,
+                 sizeof(error) / sizeof(error[0]));
+                MessageBoxW(hwnd, error, pTitle, MB_ICONEXCLAMATION | MB_OK);
+            }
+            else
+            {
+                /* FIXME: convert selection to store and return it */
+                free_store_info(tree);
                 EndDialog(hwnd, IDOK);
+            }
             ret = TRUE;
             break;
+        }
         case IDCANCEL:
             free_store_info(GetDlgItem(hwnd, IDC_STORE_LIST));
             EndDialog(hwnd, IDCANCEL);
@@ -580,8 +610,6 @@ static void add_oid_text_to_control(HWND hwnd, char *oid)
     }
 }
 
-#define MAX_STRING_LEN 512
-
 struct OIDToString
 {
     LPCSTR oid;