=?UTF-8?Q?Gabriel=20Iv=C4=83ncescu=20?=: user32/listbox: Make LBS_NODATA listboxes error on any attempt to find a value.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: dfb57a1655ac3dc6b3a0e571431ed066a9e7e518
URL:    https://source.winehq.org/git/wine.git/?a=commit;h=dfb57a1655ac3dc6b3a0e571431ed066a9e7e518

Author: Gabriel Ivăncescu <gabrielopcode at gmail.com>
Date:   Thu Nov 15 11:46:22 2018 +0200

user32/listbox: Make LBS_NODATA listboxes error on any attempt to find a value.

Signed-off-by: Gabriel Ivăncescu <gabrielopcode at gmail.com>
Signed-off-by: Nikolay Sivov <nsivov at codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard at winehq.org>

---

 dlls/user32/listbox.c       |  8 +++++++-
 dlls/user32/tests/listbox.c | 18 ++++++++++++++++++
 2 files changed, 25 insertions(+), 1 deletion(-)

diff --git a/dlls/user32/listbox.c b/dlls/user32/listbox.c
index 7fc724c..286a33b 100644
--- a/dlls/user32/listbox.c
+++ b/dlls/user32/listbox.c
@@ -917,6 +917,12 @@ static INT LISTBOX_FindString( LB_DESCR *descr, INT start, LPCWSTR str, BOOL exa
     INT i;
     LB_ITEMDATA *item;
 
+    if (descr->style & LBS_NODATA)
+    {
+        SetLastError(ERROR_INVALID_PARAMETER);
+        return LB_ERR;
+    }
+
     if (start >= descr->nb_items) start = -1;
     item = descr->items + start + 1;
     if (HAS_STRINGS(descr))
@@ -2455,7 +2461,7 @@ static LRESULT LISTBOX_HandleChar( LB_DESCR *descr, WCHAR charW )
                                 (LPARAM)descr->self );
         if (caret == -2) return 0;
     }
-    if (caret == -1)
+    if (caret == -1 && !(descr->style & LBS_NODATA))
         caret = LISTBOX_FindString( descr, descr->focus_item, str, FALSE);
     if (caret != -1)
     {
diff --git a/dlls/user32/tests/listbox.c b/dlls/user32/tests/listbox.c
index d0eb731..d13a4e3 100644
--- a/dlls/user32/tests/listbox.c
+++ b/dlls/user32/tests/listbox.c
@@ -2103,12 +2103,30 @@ static void test_LBS_NODATA(void)
     }
 
     /* More messages that don't work with LBS_NODATA. */
+    SetLastError(0xdeadbeef);
+    ret = SendMessageA(listbox, LB_FINDSTRING, 1, 0);
+    ok(ret == LB_ERR, "Unexpected return value %d.\n", ret);
+    ok(GetLastError() == ERROR_INVALID_PARAMETER, "GetLastError should return 0x57, got 0x%X\n", GetLastError());
+    SetLastError(0xdeadbeef);
     ret = SendMessageA(listbox, LB_FINDSTRING, 1, 42);
     ok(ret == LB_ERR, "Unexpected return value %d.\n", ret);
+    ok(GetLastError() == ERROR_INVALID_PARAMETER, "GetLastError should return 0x57, got 0x%X\n", GetLastError());
+    SetLastError(0xdeadbeef);
+    ret = SendMessageA(listbox, LB_FINDSTRINGEXACT, 1, 0);
+    ok(ret == LB_ERR, "Unexpected return value %d.\n", ret);
+    ok(GetLastError() == ERROR_INVALID_PARAMETER, "GetLastError should return 0x57, got 0x%X\n", GetLastError());
+    SetLastError(0xdeadbeef);
     ret = SendMessageA(listbox, LB_FINDSTRINGEXACT, 1, 42);
     ok(ret == LB_ERR, "Unexpected return value %d.\n", ret);
+    ok(GetLastError() == ERROR_INVALID_PARAMETER, "GetLastError should return 0x57, got 0x%X\n", GetLastError());
+    SetLastError(0xdeadbeef);
+    ret = SendMessageA(listbox, LB_SELECTSTRING, 1, 0);
+    ok(ret == LB_ERR, "Unexpected return value %d.\n", ret);
+    ok(GetLastError() == ERROR_INVALID_PARAMETER, "GetLastError should return 0x57, got 0x%X\n", GetLastError());
+    SetLastError(0xdeadbeef);
     ret = SendMessageA(listbox, LB_SELECTSTRING, 1, 42);
     ok(ret == LB_ERR, "Unexpected return value %d.\n", ret);
+    ok(GetLastError() == ERROR_INVALID_PARAMETER, "GetLastError should return 0x57, got 0x%X\n", GetLastError());
 
     DestroyWindow(listbox);