Gabriel Ivăncescu : shell32/autocomplete: Don' t auto-append unless the caret is at the end.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 3f31afafc32bf2dc009bf037852e58298354e18b
URL:    https://source.winehq.org/git/wine.git/?a=commit;h=3f31afafc32bf2dc009bf0378...

Author: Gabriel Ivăncescu <gabrielopcode(a)gmail.com>
Date:   Thu Sep 27 00:35:22 2018 +0300

shell32/autocomplete: Don't auto-append unless the caret is at the end.

Signed-off-by: Gabriel Ivăncescu <gabrielopcode(a)gmail.com>
Signed-off-by: Huw Davies <huw(a)codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard(a)winehq.org>

---

 dlls/shell32/autocomplete.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/dlls/shell32/autocomplete.c b/dlls/shell32/autocomplete.c
index 9acd3f4..621c5fd 100644
--- a/dlls/shell32/autocomplete.c
+++ b/dlls/shell32/autocomplete.c
@@ -136,9 +136,15 @@ static size_t format_quick_complete(WCHAR *dst, const WCHAR *qc, const WCHAR *st
 
 static void autoappend_str(IAutoCompleteImpl *ac, WCHAR *text, UINT len, WCHAR *str, HWND hwnd)
 {
+    DWORD sel_start;
     WCHAR *tmp;
     size_t size;
 
+    /* Don't auto-append unless the caret is at the end */
+    SendMessageW(hwnd, EM_GETSEL, (WPARAM)&sel_start, 0);
+    if (sel_start != len)
+        return;
+
     /* The character capitalization can be different,
        so merge text and str into a new string */
     size = len + strlenW(&str[len]) + 1;